/* HKS Landing — extracted styles. Tüm selektörler #hks-landing scope'lu. */

#hks-landing {
            --navy: #1e3a8a;
            --navy-dark: #14275e;
            --navy-900: #0f1b44;
            --red: #e63946;
            --red-dark: #c53030;
            --ink: #1a202c;
            --text: #2d3748;
            --muted: #718096;
            --line: #e2e8f0;
            --bg: #f7fafc;
            --whatsapp: #25d366;
            --whatsapp-dark: #1fb855;
        }

        #hks-landing * { margin: 0; padding: 0; box-sizing: border-box; }

        /* Focus visible — klavye kullanıcıları için net odak halkası */
        #hks-landing *:focus { outline: none; }
        #hks-landing *:focus-visible {
            outline: 3px solid var(--red);
            outline-offset: 2px;
            border-radius: 6px;
        }

        /* prefers-reduced-motion: animasyon tercihi kapalıysa tüm motion'u yavaşlat */
        @media (prefers-reduced-motion: reduce) {
            #hks-landing *, #hks-landing *::before, #hks-landing *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

        #hks-landing { scroll-behavior: smooth; }

        #hks-landing {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        #hks-landing h1, #hks-landing h2, #hks-landing h3, #hks-landing h4, #hks-landing .section-title, #hks-landing .topbar-title, #hks-landing .hero h1 {
            font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
            letter-spacing: -0.01em;
        }

        #hks-landing .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

        /* ===== SCROLL ANIMATIONS ===== */
        #hks-landing .fade-up {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        #hks-landing .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== PROGRESS BAR ===== */
        #hks-landing #hks-progress-bar {
            position: fixed; top: 0; left: 0;
            width: 0%; height: 4px;
            background: linear-gradient(90deg, var(--navy), var(--red));
            z-index: 10001;
            transition: width 0.15s ease;
        }

        /* ===== TOPBAR ===== */
        #hks-landing .topbar {
            background: #0f1b44;
            color: white;
            padding: 10px 0;
            position: sticky; top: 0; z-index: 100;
            box-shadow: 0 2px 12px rgba(0,0,0,0.25);
            border-bottom: 2px solid var(--red);
        }
        #hks-landing .topbar-content {
            display: flex; justify-content: space-between; align-items: center;
            flex-wrap: wrap; gap: 10px;
        }
        #hks-landing .topbar-brand {
            display: flex; align-items: center; gap: 12px;
            color: white; text-decoration: none;
        }
        #hks-landing .topbar-brand:hover { text-decoration: none; }
        #hks-landing .topbar-brand img {
            width: 44px; height: 44px; border-radius: 50%;
            background: white; padding: 2px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.25);
            flex-shrink: 0;
        }
        #hks-landing .topbar-brand-text { line-height: 1.15; }
        #hks-landing .topbar-brand-name {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-size: 16px; font-weight: 800; letter-spacing: 0.3px;
            color: white; text-decoration: none;
        }
        #hks-landing .topbar-brand-name .accent { color: #fca5a5; }
        #hks-landing .topbar-brand-tag {
            font-size: 11px; margin-top: 3px; letter-spacing: 0.4px;
            color: rgba(255,255,255,0.75); font-weight: 500;
            text-decoration: none;
        }
        #hks-landing .topbar-title { font-size: 13px; font-weight: 600; letter-spacing: 0.3px; }
        #hks-landing .topbar-cta { display: flex; gap: 8px; }

        /* ===== BUTTONS ===== */
        #hks-landing .btn {
            padding: 12px 24px; border: none; border-radius: 8px;
            font-size: 14px; font-weight: 700; cursor: pointer;
            text-decoration: none; display: inline-flex; align-items: center; justify-content: center;
            gap: 8px; transition: all 0.3s ease;
            -webkit-tap-highlight-color: transparent;
            min-height: 44px;
            position: relative; overflow: hidden;
        }
        #hks-landing .btn:active { transform: scale(0.97); }
        #hks-landing .btn-primary { background: #1e3a8a; color: white; }
        #hks-landing .btn-primary:hover { background: #14275e; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(30,58,138,0.35); }
        #hks-landing .btn-whatsapp { background: #25d366; color: white; }
        #hks-landing .btn-whatsapp:hover { background: #1fb855; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,211,102,0.35); }
        #hks-landing .btn-secondary { background: white; color: #1e3a8a; border: 2px solid #1e3a8a; }
        #hks-landing .btn-secondary:hover { background: #1e3a8a; color: white; }
        #hks-landing .btn-large { padding: 16px 32px; font-size: 16px; border-radius: 10px; }
        #hks-landing .btn svg { width: 20px; height: 20px; flex-shrink: 0; }
        #hks-landing .btn-large svg { width: 22px; height: 22px; }

        /* WhatsApp SVG Icon */
        #hks-landing .wa-icon { fill: currentColor; }

        /* ===== URGENCY BANNER ===== */
        #hks-landing .urgency-banner {
            background: linear-gradient(90deg, #ef4444, #dc2626);
            color: white; text-align: center;
            padding: 10px 20px; font-size: 14px; font-weight: 600;
            line-height: 1.5;
        }
        #hks-landing .urgency-banner span {
            background: rgba(255,255,255,0.2); padding: 2px 10px; border-radius: 4px;
            margin-left: 6px; font-variant-numeric: tabular-nums;
            white-space: nowrap; display: inline-block;
        }

        /* ===== STICKY WHATSAPP ===== */
        #hks-landing #hks-stickyWhatsApp {
            position: fixed; bottom: 24px; right: 20px;
            z-index: 999; display: none;
        }
        #hks-landing #hks-stickyWhatsApp a {
            width: 60px; height: 60px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            padding: 0;
            box-shadow: 0 4px 24px rgba(37,211,102,0.5);
            animation: hksStickyPulse 2s ease-in-out infinite;
        }
        #hks-landing #hks-stickyWhatsApp svg { width: 32px; height: 32px; }
        #hks-landing #hks-stickyWhatsApp .badge {
            position: absolute; top: -4px; right: -4px;
            background: #ef4444; color: white;
            width: 22px; height: 22px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            font-size: 11px; font-weight: 800;
            border: 2px solid white;
            animation: hksBadgeBounce 2s ease infinite;
        }
        @keyframes hksStickyPulse {
            0%, 100% { box-shadow: 0 4px 24px rgba(37,211,102,0.5); }
            50% { box-shadow: 0 4px 36px rgba(37,211,102,0.7), 0 0 0 8px rgba(37,211,102,0.15); }
        }
        @keyframes hksBadgeBounce {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.15); }
        }

        /* ===== EXIT POPUP ===== */
        #hks-landing #hks-exitPopup {
            display: none; position: fixed; top: 0; left: 0;
            width: 100%; height: 100%;
            background: rgba(0,0,0,0.75); backdrop-filter: blur(4px);
            z-index: 10000;
            align-items: center; justify-content: center;
        }
        #hks-landing #hks-exitPopup.show { display: flex; }
        #hks-landing .popup-content {
            background: white; border-radius: 16px; padding: 40px;
            max-width: 480px; width: 90%;
            position: relative; text-align: center;
            animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }
        #hks-landing .popup-close {
            position: absolute; top: 12px; right: 14px;
            font-size: 28px; cursor: pointer; color: #a0aec0;
            background: none; border: none;
            width: 36px; height: 36px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            transition: all 0.2s;
        }
        #hks-landing .popup-close:hover { background: #f7fafc; color: #1a202c; }
        #hks-landing .popup-content h2 { font-size: 26px; color: #1a202c; margin-bottom: 12px; line-height: 1.3; }
        #hks-landing .popup-content p { font-size: 15px; color: #4a5568; margin-bottom: 24px; }
        #hks-landing .popup-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
        @keyframes popIn {
            from { transform: scale(0.85) translateY(20px); opacity: 0; }
            to { transform: scale(1) translateY(0); opacity: 1; }
        }

        /* ===== HERO ===== */
        #hks-landing .hero {
            background: linear-gradient(135deg, #0f1b44 0%, #1e2a5e 55%, #3b1e3e 100%);
            color: white; padding: 70px 0 80px;
            position: relative; overflow: hidden;
        }
        #hks-landing .hero::before {
            content: ''; position: absolute; top: -50%; left: -50%;
            width: 200%; height: 200%;
            background:
                radial-gradient(ellipse at 20% 30%, rgba(230,57,70,0.15) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 70%, rgba(255,255,255,0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        #hks-landing .hero::after {
            content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
            background: linear-gradient(90deg, transparent, var(--red) 50%, transparent);
            opacity: 0.6;
        }
        #hks-landing .hero-grid {
            display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px;
            align-items: center; position: relative;
        }
        #hks-landing .hero-text { text-align: left; }
        #hks-landing .hero-eyebrow {
            display: inline-flex; align-items: center; gap: 8px;
            background: rgba(230,57,70,0.15); color: #fecaca;
            padding: 6px 14px; border-radius: 999px;
            font-size: 12px; font-weight: 700; letter-spacing: 0.5px;
            text-transform: uppercase; margin-bottom: 18px;
            border: 1px solid rgba(230,57,70,0.3);
        }
        #hks-landing .hero-eyebrow::before {
            content: ''; width: 6px; height: 6px; border-radius: 50%;
            background: var(--red); box-shadow: 0 0 12px var(--red);
        }
        #hks-landing .hero-portrait {
            position: relative; display: flex; justify-content: center; align-items: flex-end;
        }
        #hks-landing .hero-portrait-ring {
            position: relative; width: 100%; max-width: 420px; aspect-ratio: 1;
            border-radius: 50%;
            background: radial-gradient(circle at 50% 55%, rgba(30,58,138,0.7) 0%, rgba(15,27,68,0.2) 60%, transparent 75%);
        }
        #hks-landing .hero-portrait-ring::before, #hks-landing .hero-portrait-ring::after {
            content: ''; position: absolute; border-radius: 50%;
            inset: -8px; border: 2px solid rgba(255,255,255,0.12);
            pointer-events: none;
        }
        #hks-landing .hero-portrait-ring::after {
            inset: -24px; border: 1px dashed rgba(230,57,70,0.4);
            animation: slowSpin 60s linear infinite;
        }
        @keyframes slowSpin { to { transform: rotate(360deg); } }
        #hks-landing .hero-portrait picture { display: contents; }
        #hks-landing .hero-portrait img {
            position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
            width: 108%; height: auto; max-height: 520px;
            filter: drop-shadow(0 20px 40px rgba(0,0,0,0.35));
            object-fit: contain;
        }
        #hks-landing .about-portrait picture { display: contents; }
        #hks-landing .hero-badge-float {
            position: absolute; background: white; color: var(--ink);
            padding: 12px 16px; border-radius: 14px;
            box-shadow: 0 12px 32px rgba(0,0,0,0.2);
            display: flex; align-items: center; gap: 10px;
            font-size: 13px; font-weight: 700;
            animation: floatBadge 4s ease-in-out infinite;
        }
        #hks-landing .hero-badge-float .num {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-size: 22px; font-weight: 800; color: var(--navy);
            line-height: 1;
        }
        #hks-landing .hero-badge-float.tl { top: 8%; left: -10px; animation-delay: 0s; }
        #hks-landing .hero-badge-float.br { bottom: 14%; right: -10px; animation-delay: 2s; }
        @keyframes floatBadge {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        #hks-landing .hero h1 { font-size: 44px; margin-bottom: 18px; line-height: 1.1; font-weight: 800; position: relative; }
        #hks-landing .hero h1 .hl { color: #fecaca; position: relative; display: inline-block; }
        #hks-landing .hero h1 .hl::after {
            content: ''; position: absolute; left: 0; right: 0; bottom: 2px; height: 8px;
            background: rgba(230,57,70,0.35); z-index: -1; border-radius: 4px;
        }
        #hks-landing .hero-subtitle { font-size: 17px; margin-bottom: 26px; opacity: 0.92; max-width: 560px; position: relative; }
        #hks-landing .hero-benefits {
            display: grid; grid-template-columns: 1fr 1fr;
            gap: 12px; margin: 28px 0; text-align: left;
        }
        #hks-landing .benefit-item {
            background: rgba(255,255,255,0.12); padding: 20px;
            border-radius: 12px; backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.1);
            transition: transform 0.3s, background 0.3s;
        }
        #hks-landing .benefit-item:hover { background: rgba(255,255,255,0.18); transform: translateY(-3px); }
        #hks-landing .benefit-item strong { display: block; font-size: 16px; margin-bottom: 6px; }
        #hks-landing .benefit-item p { font-size: 14px; opacity: 0.9; }
        #hks-landing .social-proof { font-size: 14px; margin: 20px 0 0; opacity: 0.85; position: relative; display: flex; gap: 18px; flex-wrap: wrap; }
        #hks-landing .social-proof span { display: inline-flex; align-items: center; gap: 6px; }
        #hks-landing .social-proof span::before { content: '✓'; color: #86efac; font-weight: 700; }
        #hks-landing .hero-cta { display: flex; gap: 12px; justify-content: flex-start; flex-wrap: wrap; margin-top: 24px; position: relative; }

        /* ===== TRUST BADGES ===== */
        #hks-landing .trust-badges {
            display: flex; justify-content: center; gap: 30px; flex-wrap: wrap;
            padding: 28px 0; background: white;
            border-bottom: 1px solid #e2e8f0;
        }
        #hks-landing .trust-badge {
            text-align: center; min-width: 100px;
        }
        #hks-landing .trust-badge .number {
            font-size: 32px; font-weight: 800; color: #1e3a8a;
            line-height: 1;
        }
        #hks-landing .trust-badge .label {
            font-size: 13px; color: #718096; margin-top: 4px; font-weight: 500;
        }

        /* ===== SECTIONS ===== */
        #hks-landing section { padding: 60px 0; }
        #hks-landing .section-title {
            font-size: 32px; text-align: center; margin-bottom: 16px;
            color: #1a202c; font-weight: 800; line-height: 1.2;
        }
        #hks-landing .section-subtitle {
            text-align: center; font-size: 17px; color: #718096;
            margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto;
        }

        /* ===== PROOF CALLOUT (Testimonial replacement) ===== */
        #hks-landing .proof-callout {
            background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy) 100%);
            color: white; border-radius: 20px; overflow: hidden;
            display: grid; grid-template-columns: 2fr 1fr;
            position: relative;
            box-shadow: 0 20px 60px rgba(15,27,68,0.25);
        }
        #hks-landing .proof-callout::before {
            content: ''; position: absolute; top: -60px; right: 30%;
            width: 240px; height: 240px; border-radius: 50%;
            background: radial-gradient(circle, rgba(230,57,70,0.25), transparent 65%);
        }
        #hks-landing .proof-callout-content { padding: 40px; position: relative; }
        #hks-landing .proof-callout-badge {
            display: inline-flex; align-items: center; gap: 8px;
            background: rgba(230,57,70,0.2); color: #fecaca;
            padding: 6px 14px; border-radius: 999px;
            font-size: 12px; font-weight: 700; letter-spacing: 0.5px;
            text-transform: uppercase; margin-bottom: 14px;
            border: 1px solid rgba(230,57,70,0.35);
        }
        #hks-landing .proof-callout-badge svg { width: 14px; height: 14px; }
        #hks-landing .proof-callout-content h2 {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-size: 28px; font-weight: 800; line-height: 1.15;
            margin-bottom: 14px;
        }
        #hks-landing .proof-callout-content h2 strong { color: #fca5a5; font-weight: 800; }
        #hks-landing .proof-callout-content p {
            font-size: 15px; opacity: 0.88; line-height: 1.65; margin-bottom: 22px;
            max-width: 520px;
        }
        #hks-landing .proof-callout-cta { display: flex; gap: 10px; flex-wrap: wrap; }
        #hks-landing .proof-callout-stats {
            background: rgba(255,255,255,0.05);
            display: flex; flex-direction: column; justify-content: center;
            gap: 18px; padding: 40px 30px;
            border-left: 1px solid rgba(255,255,255,0.1);
            position: relative;
        }
        #hks-landing .proof-callout-stats > div {
            text-align: center; padding: 10px 0;
        }
        #hks-landing .proof-callout-stats > div + div { border-top: 1px solid rgba(255,255,255,0.08); }
        #hks-landing .proof-callout-stats .num {
            display: block; font-family: 'Plus Jakarta Sans', sans-serif;
            font-size: 36px; font-weight: 800; color: #fca5a5;
            line-height: 1; margin-bottom: 4px;
        }
        #hks-landing .proof-callout-stats .label {
            display: block; font-size: 12px; color: rgba(255,255,255,0.75);
            text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600;
        }
        @media (max-width: 768px) {
            #hks-landing .proof-callout { grid-template-columns: 1fr; }
            #hks-landing .proof-callout-content { padding: 28px 22px; }
            #hks-landing .proof-callout-content h2 { font-size: 22px; }
            #hks-landing .proof-callout-content p { font-size: 14px; }
            #hks-landing .proof-callout-stats {
                flex-direction: row; padding: 20px;
                border-left: none; border-top: 1px solid rgba(255,255,255,0.1);
            }
            #hks-landing .proof-callout-stats > div + div { border-top: none; border-left: 1px solid rgba(255,255,255,0.08); }
            #hks-landing .proof-callout-stats .num { font-size: 24px; }
            #hks-landing .proof-callout-stats .label { font-size: 10px; }
            #hks-landing .proof-callout-cta .btn { flex: 1; }
        }

        /* ===== PDF SAMPLES ===== */
        #hks-landing .pdf-samples-intro { max-width: 760px; margin: 12px auto 28px; text-align: center; color: #4a5568; font-size: 15px; line-height: 1.7; }
        #hks-landing .pdf-samples-grid {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
            margin-top: 8px;
        }
        #hks-landing .pdf-card {
            background: white; border-radius: 12px; overflow: hidden;
            box-shadow: 0 4px 16px rgba(0,0,0,0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            display: flex; flex-direction: column; cursor: pointer;
            border: 2px solid transparent; padding: 0;
        }
        #hks-landing .pdf-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(30,58,138,0.16); border-color: #1e3a8a; }
        #hks-landing .pdf-card-thumb {
            position: relative; aspect-ratio: 1/1.414; overflow: hidden;
            background: #f7fafc;
        }
        #hks-landing .pdf-card-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }
        #hks-landing .pdf-card-thumb::after {
            content: '🔍 Büyüt'; position: absolute; inset: 0;
            display: flex; align-items: center; justify-content: center;
            color: white; font-weight: 600; font-size: 13px;
            background: rgba(30,58,138,0.7); opacity: 0;
            transition: opacity 0.25s;
        }
        #hks-landing .pdf-card:hover .pdf-card-thumb::after { opacity: 1; }
        #hks-landing .pdf-card-body {
            padding: 12px 14px; background: white;
            border-top: 1px solid #edf2f7;
        }
        #hks-landing .pdf-card-title { font-size: 13px; font-weight: 700; color: #1a202c; line-height: 1.3; margin-bottom: 4px; }
        #hks-landing .pdf-card-meta { font-size: 11px; color: #718096; }
        #hks-landing .pdf-samples-footnote {
            text-align: center; margin-top: 24px; padding: 16px 20px;
            background: linear-gradient(135deg, rgba(30,58,138,0.05), rgba(220,38,38,0.05));
            border-radius: 12px; font-size: 14px; color: #2d3748;
        }
        #hks-landing .pdf-samples-footnote strong { color: #1e3a8a; }

        /* ===== STUDENT VIDEO ===== */
        #hks-landing .student-video-block { max-width: 820px; margin: 32px auto 40px; }
        #hks-landing .student-video-label {
            text-align: center; font-size: 13px; font-weight: 700;
            color: #1e3a8a; letter-spacing: 0.5px; text-transform: uppercase;
            margin-bottom: 14px;
        }
        #hks-landing .student-video-label::before, #hks-landing .student-video-label::after {
            content: '—'; color: #cbd5e0; margin: 0 10px;
        }
        #hks-landing .student-video-frame {
            position: relative; aspect-ratio: 16/9; border-radius: 14px;
            overflow: hidden; cursor: pointer; background: #000;
            box-shadow: 0 12px 32px rgba(30,58,138,0.18);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        #hks-landing .student-video-frame:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(30,58,138,0.25); }
        #hks-landing .student-video-frame img {
            width: 100%; height: 100%; object-fit: cover; display: block;
        }
        #hks-landing .student-video-play {
            position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
            width: 76px; height: 76px; border-radius: 50%;
            background: rgba(220,38,38,0.95); display: flex; align-items: center; justify-content: center;
            box-shadow: 0 6px 20px rgba(0,0,0,0.4);
            transition: transform 0.25s, background 0.25s;
        }
        #hks-landing .student-video-frame:hover .student-video-play { background: #dc2626; transform: translate(-50%, -50%) scale(1.08); }
        #hks-landing .student-video-play::after {
            content: ''; width: 0; height: 0;
            border-left: 22px solid white; border-top: 14px solid transparent; border-bottom: 14px solid transparent;
            margin-left: 6px;
        }
        #hks-landing .student-video-frame iframe { width: 100%; height: 100%; border: 0; }
        #hks-landing .student-video-caption {
            text-align: center; font-size: 14px; color: #4a5568; margin-top: 14px;
        }

        /* ===== GALLERY ===== */
        #hks-landing .gallery-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
            margin-top: 28px;
        }
        #hks-landing .gallery-item {
            position: relative; padding: 0; border: none; cursor: pointer;
            background: white; border-radius: 12px; overflow: hidden;
            aspect-ratio: 1; box-shadow: 0 2px 10px rgba(0,0,0,0.08);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        #hks-landing .gallery-item::after {
            content: '🔍'; position: absolute; inset: 0;
            background: rgba(15,27,68,0.7);
            display: flex; align-items: center; justify-content: center;
            font-size: 28px; opacity: 0; transition: opacity 0.3s;
        }
        #hks-landing .gallery-item:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(30,58,138,0.2); }
        #hks-landing .gallery-item:hover::after, #hks-landing .gallery-item:focus-visible::after { opacity: 1; }
        #hks-landing .gallery-item:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; }
        #hks-landing .gallery-item img {
            width: 100%; height: 100%; object-fit: cover; display: block;
        }

        /* ===== LIGHTBOX ===== */
        #hks-landing .lightbox {
            display: none; position: fixed; inset: 0;
            background: rgba(5,10,30,0.94); z-index: 20000;
            align-items: center; justify-content: center;
            padding: 40px 20px;
            animation: lbFade 0.25s ease;
        }
        #hks-landing .lightbox.show { display: flex; }
        @keyframes lbFade { from { opacity: 0; } to { opacity: 1; } }
        #hks-landing #hks-lightboxImg {
            max-width: 100%; max-height: 100%;
            border-radius: 10px; box-shadow: 0 20px 60px rgba(0,0,0,0.5);
            object-fit: contain;
        }
        #hks-landing .lightbox-close, #hks-landing .lightbox-nav {
            position: absolute; background: rgba(255,255,255,0.12); color: white;
            border: 1px solid rgba(255,255,255,0.2); cursor: pointer;
            border-radius: 50%; transition: background 0.2s;
            display: flex; align-items: center; justify-content: center;
            backdrop-filter: blur(6px);
        }
        #hks-landing .lightbox-close:hover, #hks-landing .lightbox-nav:hover { background: rgba(230,57,70,0.9); border-color: transparent; }
        #hks-landing .lightbox-close {
            top: 20px; right: 20px; width: 44px; height: 44px;
            font-size: 28px; line-height: 1;
        }
        #hks-landing .lightbox-nav {
            top: 50%; transform: translateY(-50%); width: 52px; height: 52px;
            font-size: 20px;
        }
        #hks-landing .lightbox-nav.prev { left: 20px; }
        #hks-landing .lightbox-nav.next { right: 20px; }
        #hks-landing .lightbox-counter {
            position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
            color: white; font-size: 14px; font-weight: 600;
            background: rgba(0,0,0,0.4); padding: 6px 14px; border-radius: 20px;
            backdrop-filter: blur(6px);
        }

        /* ===== COOKIE BANNER ===== */
        #hks-landing .cookie-banner {
            position: fixed; bottom: 16px; left: 16px; right: 16px;
            background: white; border-radius: 14px;
            box-shadow: 0 12px 40px rgba(0,0,0,0.2);
            border: 1px solid var(--line);
            z-index: 9000; max-width: 720px; margin: 0 auto;
            animation: cookieSlideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }
        #hks-landing .cookie-banner[hidden] { display: none !important; }
        #hks-landing .cookie-banner-content {
            padding: 18px 20px;
            display: flex; align-items: center; gap: 16px;
            flex-wrap: wrap;
        }
        #hks-landing .cookie-banner-text { flex: 1; min-width: 260px; }
        #hks-landing .cookie-banner-text strong {
            display: block; font-size: 14px; color: var(--ink);
            margin-bottom: 6px; font-family: 'Plus Jakarta Sans', sans-serif;
        }
        #hks-landing .cookie-banner-text p {
            font-size: 12px; color: var(--text); line-height: 1.5;
        }
        #hks-landing .cookie-banner-text a { color: var(--navy); font-weight: 600; }
        #hks-landing .cookie-banner-actions { display: flex; gap: 8px; flex-shrink: 0; }
        #hks-landing .cookie-banner-actions .btn { padding: 10px 18px; font-size: 13px; min-height: 40px; }
        @keyframes cookieSlideUp {
            from { transform: translateY(100px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }
        @media (max-width: 640px) {
            #hks-landing .cookie-banner { left: 8px; right: 8px; bottom: 8px; }
            #hks-landing .cookie-banner-content { padding: 14px; gap: 10px; flex-direction: column; align-items: stretch; }
            #hks-landing .cookie-banner-actions { justify-content: stretch; }
            #hks-landing .cookie-banner-actions .btn { flex: 1; font-size: 12px; padding: 9px 12px; }
        }
        @supports (padding: env(safe-area-inset-bottom)) {
            #hks-landing .cookie-banner { bottom: calc(16px + env(safe-area-inset-bottom)); }
        }

        /* ===== MOBILE STICKY BAR ===== */
        #hks-landing .mobile-sticky-bar {
            display: none; position: fixed; bottom: 0; left: 0; right: 0;
            background: white; border-top: 1px solid var(--line);
            padding: 10px 12px; z-index: 998;
            box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
            gap: 8px;
        }
        #hks-landing .mobile-sticky-bar .btn { flex: 1; padding: 12px 10px; font-size: 13px; min-height: 46px; }
        #hks-landing .mobile-sticky-bar .btn svg { width: 18px; height: 18px; }

        /* ===== RISK REVERSAL CARD ===== */
        #hks-landing .risk-reversal {
            max-width: 960px; margin: 0 auto 32px;
            background: linear-gradient(135deg, #fff 0%, #fef2f2 100%);
            border: 2px solid var(--red);
            border-radius: 18px; padding: 28px;
            position: relative; overflow: hidden;
            box-shadow: 0 10px 30px rgba(230,57,70,0.12);
        }
        #hks-landing .risk-reversal::before {
            content: '🛡️'; position: absolute; top: -20px; right: -10px;
            font-size: 140px; opacity: 0.08;
            transform: rotate(15deg);
        }
        #hks-landing .risk-reversal-header {
            display: flex; align-items: center; gap: 14px;
            margin-bottom: 16px; position: relative;
        }
        #hks-landing .risk-reversal-icon {
            width: 56px; height: 56px; border-radius: 14px;
            background: linear-gradient(135deg, var(--red), var(--red-dark)); color: white;
            display: flex; align-items: center; justify-content: center;
            font-size: 28px; flex-shrink: 0;
            box-shadow: 0 6px 16px rgba(230,57,70,0.35);
        }
        #hks-landing .risk-reversal-header h3 {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-size: 22px; font-weight: 800; color: var(--ink);
            line-height: 1.2;
        }
        #hks-landing .risk-reversal-header p {
            font-size: 13px; color: var(--muted); margin-top: 2px;
        }
        #hks-landing .risk-reversal-grid {
            display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
            position: relative;
        }
        #hks-landing .risk-item {
            background: white; padding: 18px; border-radius: 12px;
            border-left: 4px solid var(--navy);
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        #hks-landing .risk-item:nth-child(2) { border-left-color: var(--red); }
        #hks-landing .risk-item-title {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-size: 15px; font-weight: 800; color: var(--ink);
            margin-bottom: 6px; display: flex; align-items: center; gap: 8px;
        }
        #hks-landing .risk-item-title .check {
            color: #10b981; font-size: 18px;
        }
        #hks-landing .risk-item p { font-size: 13px; color: var(--text); line-height: 1.55; }

        /* ===== HKS SUMMARY CARD ===== */
        #hks-landing .hks-summary-card {
            background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy) 100%);
            color: white; padding: 32px; border-radius: 18px;
            position: relative; overflow: hidden;
            box-shadow: 0 20px 50px rgba(15,27,68,0.3);
        }
        #hks-landing .hks-summary-card::before {
            content: ''; position: absolute; top: -40px; right: -40px;
            width: 180px; height: 180px; border-radius: 50%;
            background: radial-gradient(circle, rgba(230,57,70,0.25), transparent 70%);
        }
        #hks-landing .hks-summary-header {
            display: flex; align-items: center; gap: 14px;
            margin-bottom: 24px; position: relative;
        }
        #hks-landing .hks-summary-logo {
            width: 56px; height: 56px; border-radius: 14px;
            background: linear-gradient(135deg, var(--red), var(--red-dark));
            display: flex; align-items: center; justify-content: center;
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 800; font-size: 18px;
            box-shadow: 0 6px 20px rgba(230,57,70,0.4);
        }
        #hks-landing .hks-summary-title { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
        #hks-landing .hks-summary-sub { font-size: 13px; opacity: 0.7; }
        #hks-landing .hks-summary-pillars {
            display: grid; grid-template-columns: 1fr; gap: 12px; position: relative;
        }
        #hks-landing .hks-summary-pillars > div {
            background: rgba(255,255,255,0.06); padding: 16px;
            border-radius: 12px; border: 1px solid rgba(255,255,255,0.08);
            position: relative; padding-left: 70px;
            transition: background 0.3s;
        }
        #hks-landing .hks-summary-pillars > div:hover { background: rgba(255,255,255,0.1); }
        #hks-landing .hks-summary-pillars .num {
            position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-size: 32px; font-weight: 800;
            color: var(--red); line-height: 1;
            opacity: 0.8;
        }
        #hks-landing .hks-summary-pillars strong { display: block; font-size: 15px; margin-bottom: 2px; }
        #hks-landing .hks-summary-pillars p { font-size: 13px; opacity: 0.75; }

        /* ===== HAKKIMDA ===== */
        #hks-landing .about-section { position: relative; overflow: hidden; }
        #hks-landing .about-section::before {
            content: ''; position: absolute; top: -80px; right: -120px;
            width: 340px; height: 340px; border-radius: 50%;
            background: radial-gradient(circle, rgba(230,57,70,0.08), transparent 70%);
            pointer-events: none;
        }
        #hks-landing .about-grid {
            display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px;
            align-items: center; position: relative;
        }
        #hks-landing .about-portrait {
            position: relative; max-width: 440px;
        }
        #hks-landing .about-portrait-bg {
            position: absolute; inset: 0;
            background: linear-gradient(135deg, var(--navy) 0%, var(--navy-900) 100%);
            border-radius: 24px; transform: rotate(-3deg);
            box-shadow: 0 20px 60px rgba(30,58,138,0.35);
        }
        #hks-landing .about-portrait-bg::before {
            content: ''; position: absolute; inset: 0; border-radius: 24px;
            background:
                radial-gradient(circle at 30% 20%, rgba(255,255,255,0.1), transparent 50%),
                repeating-linear-gradient(45deg, rgba(255,255,255,0.03) 0, rgba(255,255,255,0.03) 2px, transparent 2px, transparent 12px);
        }
        #hks-landing .about-portrait-bg::after {
            content: ''; position: absolute; top: -14px; right: -14px;
            width: 64px; height: 64px; border-radius: 50%;
            background: var(--red);
            box-shadow: 0 8px 24px rgba(230,57,70,0.4);
        }
        #hks-landing .about-portrait img {
            position: relative; width: 100%; height: auto; display: block;
            filter: drop-shadow(0 20px 40px rgba(0,0,0,0.2));
        }
        #hks-landing .about-stats {
            position: absolute; bottom: -20px; left: -20px;
            background: white; padding: 16px 20px; border-radius: 14px;
            box-shadow: 0 12px 32px rgba(0,0,0,0.12);
            display: flex; gap: 18px;
        }
        #hks-landing .about-stat { text-align: center; }
        #hks-landing .about-stat .num {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-size: 22px; font-weight: 800; color: var(--navy); line-height: 1;
        }
        #hks-landing .about-stat .label {
            font-size: 11px; color: var(--muted); margin-top: 4px;
            text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600;
        }
        #hks-landing .about-stat + .about-stat { border-left: 1px solid var(--line); padding-left: 18px; }
        #hks-landing .about-eyebrow {
            display: inline-block; background: rgba(230,57,70,0.1); color: var(--red-dark);
            padding: 5px 12px; border-radius: 999px; font-size: 12px;
            font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase;
            margin-bottom: 14px;
        }
        #hks-landing .about-title {
            font-size: 34px; font-weight: 800; color: var(--ink);
            line-height: 1.15; margin-bottom: 16px;
        }
        #hks-landing .about-title .accent { color: var(--red); }
        #hks-landing .about-lead {
            font-size: 17px; color: var(--text); margin-bottom: 20px; line-height: 1.7;
        }
        #hks-landing .about-features {
            display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
            margin: 22px 0 26px;
        }
        #hks-landing .about-feature {
            display: flex; gap: 10px; align-items: flex-start;
            padding: 12px 14px; background: var(--bg); border-radius: 10px;
            border-left: 3px solid var(--navy);
        }
        #hks-landing .about-feature:nth-child(even) { border-left-color: var(--red); }
        #hks-landing .about-feature .icon {
            font-size: 18px; line-height: 1; flex-shrink: 0;
        }
        #hks-landing .about-feature strong { display: block; font-size: 14px; color: var(--ink); margin-bottom: 2px; }
        #hks-landing .about-feature span { font-size: 12px; color: var(--muted); }

        /* ===== TWO COL ===== */
        #hks-landing .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
        #hks-landing .intro-list { list-style: none; }
        #hks-landing .intro-list li { padding: 12px 0 12px 32px; position: relative; font-size: 15px; }
        #hks-landing .intro-list li:before { content: "✓"; position: absolute; left: 0; color: #1e3a8a; font-weight: bold; font-size: 18px; }

        /* ===== VIDEO ===== */
        #hks-landing .video-embed {
            position: relative; padding-bottom: 56.25%; height: 0;
            overflow: hidden; border-radius: 12px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.12);
            background: #e2e8f0;
        }
        #hks-landing .video-embed iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }

        /* ===== PROBLEM CARDS ===== */
        #hks-landing .problem-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
        #hks-landing .problem-card {
            background: white; padding: 24px; border-radius: 12px;
            border-left: 4px solid #ef4444;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        #hks-landing .problem-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
        #hks-landing .problem-card h3 { font-size: 17px; margin-bottom: 8px; color: #1a202c; }
        #hks-landing .problem-card p { color: #4a5568; font-size: 14px; }

        /* ===== MECHANISM CARDS ===== */
        #hks-landing .mechanism-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        #hks-landing .mech-card {
            background: white; padding: 28px; border-radius: 14px;
            text-align: center; box-shadow: 0 4px 16px rgba(0,0,0,0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            border: 1px solid #e2e8f0;
        }
        #hks-landing .mech-card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(0,0,0,0.12); }
        #hks-landing .mech-icon { font-size: 40px; margin-bottom: 12px; }
        #hks-landing .mech-card h3 { font-size: 22px; margin-bottom: 12px; color: #1e3a8a; }
        #hks-landing .mech-card p { font-size: 14px; color: #4a5568; }

        /* ===== TIMELINE ===== */
        #hks-landing .timeline { max-width: 800px; margin: 48px auto 0; }
        #hks-landing .timeline-item { display: flex; gap: 16px; margin-bottom: 24px; }
        #hks-landing .timeline-number {
            background: #1e3a8a; color: white;
            width: 42px; height: 42px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            font-weight: 800; flex-shrink: 0; font-size: 16px;
        }
        #hks-landing .timeline-content {
            background: white; padding: 20px; border-radius: 10px;
            flex: 1; box-shadow: 0 2px 8px rgba(0,0,0,0.06);
            border: 1px solid #e2e8f0;
        }
        #hks-landing .timeline-content h4 { margin-bottom: 6px; color: #1a202c; font-size: 16px; }
        #hks-landing .timeline-content p { font-size: 14px; color: #4a5568; }

        /* ===== VIDEO GRID ===== */
        #hks-landing .video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        #hks-landing .disclaimer { text-align: center; font-size: 13px; color: #a0aec0; margin-top: 28px; font-style: italic; }

        /* ===== OUTPUT CARDS ===== */
        #hks-landing .output-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        #hks-landing .output-card {
            background: white; padding: 28px; border-radius: 14px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.08);
            border: 1px solid #e2e8f0;
        }
        #hks-landing .output-card h3 { font-size: 20px; margin-bottom: 12px; color: #1a202c; }
        #hks-landing .output-card ul { list-style: none; margin-top: 12px; }
        #hks-landing .output-card li { padding: 6px 0 6px 22px; position: relative; font-size: 14px; }
        #hks-landing .output-card li:before { content: "▸"; position: absolute; left: 0; color: #1e3a8a; font-weight: 700; }
        #hks-landing .chart-container { margin-top: 16px; background: #f7fafc; padding: 16px; border-radius: 8px; }
        #hks-landing #hks-progressChart { width: 100%; height: 200px; }

        /* ===== PRICING ===== */
        #hks-landing .pricing-grid {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
            margin-top: 36px; align-items: stretch;
        }
        #hks-landing .price-card {
            background: white; border-radius: 16px; padding: 40px 34px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            border: 2px solid transparent;
            display: flex; flex-direction: column;
        }
        #hks-landing .price-card:hover { transform: translateY(-6px); border-color: #1e3a8a; box-shadow: 0 12px 32px rgba(30,58,138,0.15); }
        #hks-landing .price-card.featured {
            border-color: #1e3a8a; position: relative;
            box-shadow: 0 8px 28px rgba(30,58,138,0.2);
            transform: scale(1.03);
        }
        #hks-landing .price-card.featured:hover { transform: scale(1.03) translateY(-6px); }
        #hks-landing .price-card.featured::before {
            content: "En Popüler"; position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
            background: linear-gradient(135deg, var(--navy), var(--red)); color: white;
            padding: 4px 18px; border-radius: 20px; font-size: 12px; font-weight: 700;
            white-space: nowrap;
        }
        #hks-landing .price-header h3 { font-size: 22px; margin-bottom: 8px; color: #1a202c; }
        #hks-landing .price-amount { font-size: 38px; font-weight: 800; color: #1e3a8a; margin: 12px 0; }
        #hks-landing .price-amount small { font-size: 15px; font-weight: 500; color: #718096; }
        #hks-landing .price-ideal { font-size: 13px; color: #718096; margin-bottom: 16px; font-style: italic; }
        #hks-landing .price-features { list-style: none; margin: 20px 0; flex: 1; }
        #hks-landing .price-features li {
            padding: 10px 0 10px 26px; position: relative; font-size: 15px;
            border-bottom: 1px solid #f0f0f0;
        }
        #hks-landing .price-features li:last-child { border-bottom: none; }
        #hks-landing .price-features li:before { content: "✓"; position: absolute; left: 0; color: #10b981; font-weight: 700; }
        #hks-landing .price-card .btn { width: 100%; text-align: center; margin-top: auto; }

        /* ===== GUARANTEE ===== */
        #hks-landing .guarantee-box {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: white; padding: 40px; border-radius: 16px;
            max-width: 900px; margin: 0 auto;
        }
        #hks-landing .guarantee-box h3 { font-size: 26px; margin-bottom: 16px; }
        #hks-landing .guarantee-conditions {
            background: rgba(255,255,255,0.12); padding: 24px;
            border-radius: 10px; margin: 20px 0;
        }
        #hks-landing .guarantee-conditions h4 { font-size: 17px; margin-bottom: 12px; }
        #hks-landing .guarantee-conditions ul { list-style: none; }
        #hks-landing .guarantee-conditions li { padding: 6px 0 6px 24px; position: relative; font-size: 14px; }
        #hks-landing .guarantee-conditions li:before { content: "✓"; position: absolute; left: 0; font-weight: 700; }
        #hks-landing .guarantee-offer { font-size: 17px; margin: 18px 0; font-weight: 700; }
        #hks-landing .guarantee-note { font-size: 12px; opacity: 0.85; margin-top: 12px; }

        /* ===== COMPARISON TABLE ===== */
        #hks-landing .comparison-table {
            max-width: 900px; margin: 0 auto; background: white;
            border-radius: 14px; overflow: hidden;
            box-shadow: 0 4px 16px rgba(0,0,0,0.08);
        }
        #hks-landing .comparison-table table { width: 100%; border-collapse: collapse; }
        #hks-landing .comparison-table th, #hks-landing .comparison-table td { padding: 16px; text-align: left; border-bottom: 1px solid #f0f0f0; }
        #hks-landing .comparison-table th { background: #f7fafc; font-weight: 700; color: #1a202c; font-size: 14px; }
        #hks-landing .comparison-table td { font-size: 14px; }
        #hks-landing .comparison-table tr:last-child td { border-bottom: none; }
        #hks-landing .comparison-table .highlight { color: #10b981; font-weight: 600; }
        #hks-landing .comparison-table .lowlight { color: #ef4444; }

        /* ===== FAQ ===== */
        #hks-landing .faq-container { max-width: 800px; margin: 0 auto; }
        #hks-landing .faq-item {
            background: white; margin-bottom: 12px; border-radius: 10px;
            overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.05);
            border: 1px solid #e2e8f0;
        }
        #hks-landing .faq-question {
            padding: 18px 20px; cursor: pointer; font-weight: 600;
            font-size: 15px; display: flex; justify-content: space-between;
            align-items: center; transition: background 0.2s;
            -webkit-tap-highlight-color: transparent;
        }
        #hks-landing .faq-question:hover { background: #f7fafc; }
        #hks-landing .faq-toggle { font-size: 18px; transition: transform 0.3s; color: #a0aec0; }
        #hks-landing .faq-item.active .faq-toggle { transform: rotate(180deg); color: #1e3a8a; }
        #hks-landing .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
        #hks-landing .faq-answer-content { padding: 0 20px 18px; color: #4a5568; line-height: 1.7; font-size: 14px; }

        /* ===== FORM ===== */
        #hks-landing .form-section {
            background: white; padding: 36px; border-radius: 16px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.1);
            max-width: 680px; margin: 28px auto;
            border: 1px solid #e2e8f0;
        }
        #hks-landing .form-intro { font-size: 13px; color: #a0aec0; text-align: center; margin-bottom: 16px; }
        #hks-landing .form-group { margin-bottom: 18px; position: relative; }
        #hks-landing .form-group label { display: block; margin-bottom: 6px; font-weight: 600; color: #2d3748; font-size: 14px; }
        #hks-landing .form-group input, #hks-landing .form-group select, #hks-landing .form-group textarea {
            width: 100%; padding: 14px 16px; border: 2px solid #e2e8f0;
            border-radius: 10px; font-size: 15px;
            transition: border-color 0.3s, box-shadow 0.3s;
            -webkit-appearance: none; appearance: none;
            min-height: 48px; background: white;
        }
        #hks-landing .form-group select { padding-right: 40px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23718096' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; }
        #hks-landing .form-group input:focus, #hks-landing .form-group select:focus, #hks-landing .form-group textarea:focus {
            outline: none; border-color: #1e3a8a; box-shadow: 0 0 0 4px rgba(30,58,138,0.1);
        }
        #hks-landing .form-group input.error, #hks-landing .form-group select.error, #hks-landing .form-group textarea.error { border-color: #ef4444; background: #fef2f2; }
        #hks-landing .form-group input.success, #hks-landing .form-group select.success, #hks-landing .form-group textarea.success { border-color: #10b981; background: #f0fdf4; }
        #hks-landing .error-message { color: #ef4444; font-size: 12px; margin-top: 4px; display: none; }
        #hks-landing .error-message.show { display: block; }
        #hks-landing .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
        #hks-landing .form-steps { display: flex; gap: 8px; margin-bottom: 20px; }
        #hks-landing .form-steps .step {
            flex: 1; text-align: center; font-size: 11px; color: #a0aec0;
            padding: 10px 8px; border-radius: 10px;
            background: #f7fafc; border: 1px solid #e2e8f0;
            transition: all 0.3s;
        }
        #hks-landing .form-steps .step span { display: block; font-weight: 800; font-size: 14px; margin-bottom: 2px; }
        #hks-landing .form-steps .step.active { background: #1e3a8a; color: white; border-color: #1e3a8a; box-shadow: 0 4px 12px rgba(30,58,138,0.3); }
        #hks-landing .form-steps .step.completed { background: #10b981; color: white; border-color: #10b981; }
        #hks-landing .form-step { display: none; animation: stepFadeIn 0.3s ease; }
        #hks-landing .form-step.active { display: block; }
        @keyframes stepFadeIn { from { opacity: 0; transform: translateX(10px); } to { opacity: 1; transform: translateX(0); } }
        #hks-landing .step-actions { display: flex; gap: 10px; margin-top: 16px; }
        #hks-landing .step-actions .btn { flex: 1; }
        #hks-landing .form-note { font-size: 12px; color: #a0aec0; margin-top: -8px; margin-bottom: 10px; }

        /* ===== MINI FAQ ===== */
        #hks-landing .mini-faq { max-width: 680px; margin: 16px auto 0; display: grid; gap: 8px; }
        #hks-landing .mini-faq-item {
            background: white; border: 1px solid #e2e8f0; border-radius: 10px;
            padding: 12px 16px; font-size: 13px; color: #4a5568;
        }
        #hks-landing .mini-faq-item strong { color: #1a202c; }

        /* ===== FOOTER ===== */
        #hks-landing footer {
            background: #0f1b44; color: white;
            padding: 56px 0 20px;
            border-top: 3px solid var(--red);
        }
        #hks-landing .footer-grid {
            display: grid; grid-template-columns: 2fr 1fr 1.2fr 1fr;
            gap: 40px; margin-bottom: 36px;
        }
        #hks-landing .footer-col h4 {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-size: 14px; font-weight: 700;
            text-transform: uppercase; letter-spacing: 0.6px;
            color: #fca5a5; margin-bottom: 16px;
        }
        #hks-landing .footer-col ul { list-style: none; }
        #hks-landing .footer-col ul li { margin-bottom: 10px; }
        #hks-landing .footer-col ul a {
            color: rgba(255,255,255,0.82); text-decoration: none;
            font-size: 14px; transition: color 0.2s;
        }
        #hks-landing .footer-col ul a:hover { color: white; text-decoration: underline; }

        #hks-landing .footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
        #hks-landing .footer-brand img { background: white; padding: 3px; border-radius: 50%; flex-shrink: 0; }
        #hks-landing .footer-brand-name {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-size: 16px; font-weight: 800; letter-spacing: 0.3px;
        }
        #hks-landing .footer-brand-name span { color: #fca5a5; }
        #hks-landing .footer-brand-tag { font-size: 11px; color: rgba(255,255,255,0.65); margin-top: 2px; }
        #hks-landing .footer-desc { font-size: 13px; color: rgba(255,255,255,0.72); line-height: 1.7; margin-bottom: 18px; }
        #hks-landing .footer-social { display: flex; gap: 10px; }
        #hks-landing .footer-social a {
            width: 36px; height: 36px; border-radius: 10px;
            background: rgba(255,255,255,0.08);
            display: flex; align-items: center; justify-content: center;
            color: white; transition: all 0.2s;
            border: 1px solid rgba(255,255,255,0.12);
        }
        #hks-landing .footer-social a:hover { background: var(--red); transform: translateY(-2px); border-color: transparent; }
        #hks-landing .footer-social a svg { width: 18px; height: 18px; fill: currentColor; }
        #hks-landing .footer-social a[aria-label="Instagram"] svg, #hks-landing .footer-social a[aria-label="YouTube"] svg { fill: none; }

        #hks-landing .footer-contact li {
            display: flex; align-items: center; gap: 10px;
            font-size: 13px; color: rgba(255,255,255,0.85);
        }
        #hks-landing .footer-contact li svg { width: 16px; height: 16px; flex-shrink: 0; color: #fca5a5; }
        #hks-landing .footer-contact li a { color: rgba(255,255,255,0.9) !important; }

        #hks-landing .footer-trust { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
        #hks-landing .trust-chip {
            font-size: 11px; padding: 4px 10px; border-radius: 999px;
            background: rgba(16,185,129,0.15); color: #86efac;
            border: 1px solid rgba(16,185,129,0.3);
            font-weight: 600;
        }

        #hks-landing .footer-legal {
            font-size: 12px; color: rgba(255,255,255,0.6); padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            line-height: 1.7;
        }
        #hks-landing .footer-legal p + p { margin-top: 8px; }
        #hks-landing .footer-legal strong { color: rgba(255,255,255,0.85); }

        /* ===== TOAST ===== */
        #hks-landing .toast {
            position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%) translateY(20px);
            background: #10b981; color: white;
            padding: 14px 28px; border-radius: 12px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.2);
            opacity: 0; transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            z-index: 10002; font-size: 14px; font-weight: 600;
            max-width: 90%; text-align: center;
        }
        #hks-landing .toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
        #hks-landing .toast.error { background: #ef4444; }

        #hks-landing .bg-light { background: #f7fafc; }
        #hks-landing .bg-white { background: white; }

        /* ===== SKIP TO CONTENT ===== */
        #hks-landing .skip-link {
            position: absolute; top: -100%; left: 50%; transform: translateX(-50%);
            background: #1e3a8a; color: white; padding: 12px 24px;
            border-radius: 0 0 8px 8px; z-index: 20000; font-weight: 700;
            transition: top 0.3s;
        }
        #hks-landing .skip-link:focus { top: 0; }

        /* ===== BACK TO TOP ===== */
        #hks-landing #hks-back-to-top {
            position: fixed; bottom: 24px; left: 20px;
            width: 44px; height: 44px; border-radius: 50%;
            background: #1e3a8a; color: white; border: none;
            cursor: pointer; display: none; align-items: center; justify-content: center;
            box-shadow: 0 4px 16px rgba(30,58,138,0.35);
            z-index: 998; transition: all 0.3s; font-size: 20px;
        }
        #hks-landing #hks-back-to-top:hover { background: #14275e; transform: translateY(-3px); }
        #hks-landing #hks-back-to-top.show { display: flex; }

        /* ===== IFRAME LOADING ===== */
        #hks-landing .video-embed { position: relative; }
        #hks-landing .video-embed::before {
            content: 'Video yükleniyor...';
            position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
            font-size: 14px; color: #718096; z-index: 0;
        }
        #hks-landing .video-embed iframe { position: relative; z-index: 1; }
        #hks-landing .video-placeholder {
            display: flex; align-items: center; justify-content: center; flex-direction: column;
            background: linear-gradient(135deg, #e2e8f0, #edf2f7);
            border-radius: 12px; padding: 40px; text-align: center;
            min-height: 200px; border: 2px dashed #cbd5e0;
        }
        #hks-landing .video-placeholder span { font-size: 48px; margin-bottom: 8px; }
        #hks-landing .video-placeholder p { font-size: 14px; color: #718096; }

        /* ===== TESTIMONIALS ===== */
        #hks-landing .testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        #hks-landing .testimonial-card {
            background: white; padding: 28px; border-radius: 14px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.08); border: 1px solid #e2e8f0;
            position: relative;
        }
        #hks-landing .testimonial-card::before {
            content: '\201C'; font-size: 48px; color: #e2e8f0;
            position: absolute; top: 12px; left: 20px; line-height: 1;
        }
        #hks-landing .testimonial-text { font-size: 14px; color: #4a5568; line-height: 1.7; margin-bottom: 16px; padding-top: 20px; }
        #hks-landing .testimonial-author { display: flex; align-items: center; gap: 12px; }
        #hks-landing .testimonial-avatar {
            width: 40px; height: 40px; border-radius: 50%;
            background: linear-gradient(135deg, var(--navy), var(--red-dark)); color: white;
            display: flex; align-items: center; justify-content: center;
            font-weight: 800; font-size: 16px;
        }
        #hks-landing .testimonial-info strong { display: block; font-size: 14px; color: #1a202c; }
        #hks-landing .testimonial-info span { font-size: 12px; color: #a0aec0; }
        #hks-landing .testimonial-stars { color: #f59e0b; font-size: 14px; margin-bottom: 12px; padding-top: 20px; }

        /* ===== KVKK MODAL ===== */
        #hks-landing .kvkk-modal {
            display: none; position: fixed; inset: 0;
            background: rgba(0,0,0,0.75); backdrop-filter: blur(4px);
            z-index: 15000; padding: 24px;
            align-items: center; justify-content: center;
        }
        #hks-landing .kvkk-modal.show { display: flex; animation: lbFade 0.25s ease; }
        #hks-landing .kvkk-modal-content {
            background: white; border-radius: 16px;
            max-width: 640px; width: 100%; max-height: 86vh;
            display: flex; flex-direction: column;
            position: relative; overflow: hidden;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
        }
        #hks-landing .kvkk-modal-content h2 {
            padding: 24px 24px 12px; font-family: 'Plus Jakarta Sans', sans-serif;
            font-size: 22px; color: var(--navy);
            border-bottom: 2px solid var(--line);
        }
        #hks-landing .kvkk-body {
            padding: 20px 24px; overflow-y: auto; flex: 1;
            font-size: 14px; line-height: 1.7; color: var(--text);
        }
        #hks-landing .kvkk-body h3 {
            font-size: 15px; color: var(--navy); margin: 18px 0 6px;
            font-family: 'Plus Jakarta Sans', sans-serif;
        }
        #hks-landing .kvkk-body p { margin-bottom: 10px; }
        #hks-landing .kvkk-body ul { margin-left: 20px; margin-bottom: 10px; }
        #hks-landing .kvkk-body li { padding: 3px 0; }
        #hks-landing .kvkk-note {
            font-size: 12px; color: var(--muted);
            background: var(--bg); padding: 10px 12px; border-radius: 8px;
            border-left: 3px solid var(--red); margin-top: 16px;
        }
        #hks-landing .kvkk-modal-footer {
            padding: 16px 24px; border-top: 1px solid var(--line);
            display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end;
            background: var(--bg);
        }
        #hks-landing .kvkk-modal-footer .btn { padding: 10px 20px; font-size: 14px; min-height: 42px; }
        @media (max-width: 768px) {
            #hks-landing .kvkk-modal { padding: 12px; }
            #hks-landing .kvkk-modal-content h2 { font-size: 18px; padding: 18px 18px 10px; }
            #hks-landing .kvkk-body { padding: 16px 18px; font-size: 13px; }
            #hks-landing .kvkk-modal-footer { padding: 12px 18px; justify-content: center; }
            #hks-landing .kvkk-modal-footer .btn { flex: 1; }
        }

        /* ===== KVKK CHECKBOX ===== */
        #hks-landing .kvkk-group { display: flex; align-items: flex-start; gap: 10px; margin: 16px 0; }
        #hks-landing .kvkk-group input[type="checkbox"] {
            width: 18px; height: 18px; margin-top: 2px; flex-shrink: 0;
            accent-color: #1e3a8a; cursor: pointer;
        }
        #hks-landing .kvkk-group label { font-size: 12px; color: #718096; cursor: pointer; line-height: 1.5; }
        #hks-landing .kvkk-group label a { color: #1e3a8a; text-decoration: underline; }

        /* ===== PRICE SAVINGS ===== */
        #hks-landing .price-savings {
            background: #f0fdf4; color: #059669; font-size: 12px;
            font-weight: 700; padding: 4px 12px; border-radius: 20px;
            display: inline-block; margin-bottom: 8px;
        }
        #hks-landing .price-per-month { font-size: 13px; color: #718096; margin-top: 4px; }

        /* ===== RESPONSIVE - TABLET ===== */
        @media (max-width: 1024px) {
            #hks-landing .pricing-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 100%; }
            #hks-landing .price-card { padding: 28px 22px; }
            #hks-landing .price-card.featured { transform: none; }
            #hks-landing .price-card.featured:hover { transform: translateY(-6px); }
            #hks-landing .gallery-grid { grid-template-columns: repeat(3, 1fr); }
            #hks-landing .pdf-samples-grid { grid-template-columns: repeat(3, 1fr); }
            #hks-landing .hero-grid { grid-template-columns: 1fr; gap: 32px; }
            #hks-landing .hero-text { text-align: center; }
            #hks-landing .hero-cta, #hks-landing .social-proof { justify-content: center !important; }
            #hks-landing .hero-portrait-ring { max-width: 340px; margin: 0 auto; }
            #hks-landing .about-grid { grid-template-columns: 1fr; gap: 32px; }
            #hks-landing .about-portrait { max-width: 360px; margin: 0 auto; }
        }

        /* ===== RESPONSIVE - MOBILE ===== */
        @media (max-width: 768px) {
            #hks-landing { font-size: 15px; }
            #hks-landing .container { padding: 0 16px; }
            #hks-landing section { padding: 44px 0; }

            #hks-landing .topbar { padding: 8px 0; }
            #hks-landing .topbar-content { justify-content: space-between; gap: 8px; }
            #hks-landing .topbar-title { width: 100%; text-align: center; font-size: 12px; }
            #hks-landing .topbar-cta { width: 100%; justify-content: center; }
            #hks-landing .topbar-cta .btn { font-size: 12px; padding: 8px 14px; min-height: 40px; }

            #hks-landing .hero { padding: 36px 0 48px; }
            #hks-landing .hero-grid { grid-template-columns: 1fr; gap: 24px; text-align: center; }
            #hks-landing .hero-text { text-align: center; }
            #hks-landing .hero h1 { font-size: 28px; padding: 0 4px; }
            #hks-landing .hero-eyebrow { font-size: 11px; }
            #hks-landing .hero-subtitle { font-size: 15px; padding: 0 4px; margin-left: auto; margin-right: auto; }
            #hks-landing .hero-benefits { grid-template-columns: 1fr; gap: 10px; margin: 20px 0; }
            #hks-landing .benefit-item { padding: 14px; }
            #hks-landing .benefit-item strong { font-size: 14px; }
            #hks-landing .benefit-item p { font-size: 13px; }
            #hks-landing .social-proof { font-size: 12px; justify-content: center; gap: 12px; }
            #hks-landing .hero-cta { flex-direction: column; align-items: stretch; padding: 0 20px; justify-content: center; }
            #hks-landing .hero-cta .btn { width: 100%; }
            #hks-landing .hero-portrait { order: -1; }
            #hks-landing .hero-portrait-ring { max-width: 280px; }
            #hks-landing .hero-portrait img { max-height: 360px; }
            #hks-landing .hero-badge-float { font-size: 11px; padding: 8px 12px; }
            #hks-landing .hero-badge-float .num { font-size: 18px; }
            #hks-landing .hero-badge-float.tl { left: 4%; }
            #hks-landing .hero-badge-float.br { right: 4%; }

            #hks-landing .topbar-content { justify-content: space-between !important; }
            #hks-landing .topbar-brand img { width: 38px; height: 38px; }
            #hks-landing .topbar-brand-name { font-size: 13px; }
            #hks-landing .topbar-brand-tag { font-size: 10px; }

            #hks-landing .about-grid { grid-template-columns: 1fr !important; gap: 24px; }
            #hks-landing .about-portrait { max-width: 280px !important; margin: 0 auto; }

            #hks-landing .trust-badges { gap: 16px; padding: 20px 10px; }
            #hks-landing .trust-badge .number { font-size: 26px; }
            #hks-landing .trust-badge .label { font-size: 11px; }

            #hks-landing .section-title { font-size: 24px; margin-bottom: 12px; }
            #hks-landing .section-subtitle { font-size: 15px; margin-bottom: 28px; }

            #hks-landing .two-col { grid-template-columns: 1fr; gap: 24px; }
            #hks-landing .intro-list li { font-size: 14px; }

            #hks-landing .problem-grid { grid-template-columns: 1fr; gap: 12px; }
            #hks-landing .problem-card { padding: 18px; }
            #hks-landing .problem-card h3 { font-size: 16px; }
            #hks-landing .problem-card p { font-size: 13px; }

            #hks-landing .mechanism-cards { grid-template-columns: 1fr; gap: 16px; }
            #hks-landing .mech-card { padding: 24px; }

            #hks-landing .timeline-item { gap: 12px; margin-bottom: 16px; }
            #hks-landing .timeline-number { width: 36px; height: 36px; font-size: 14px; }
            #hks-landing .timeline-content { padding: 16px; }
            #hks-landing .timeline-content h4 { font-size: 15px; }
            #hks-landing .timeline-content p { font-size: 13px; }

            #hks-landing .video-grid { grid-template-columns: 1fr; gap: 16px; }

            #hks-landing .output-cards { grid-template-columns: 1fr; gap: 16px; }
            #hks-landing .output-card { padding: 22px; }

            #hks-landing .pricing-grid { grid-template-columns: 1fr; gap: 16px; }
            #hks-landing .price-card { padding: 24px; }
            #hks-landing .price-card.featured { transform: none; }
            #hks-landing .price-card.featured:hover { transform: translateY(-4px); }

            #hks-landing .guarantee-box { padding: 28px 20px; border-radius: 12px; }
            #hks-landing .guarantee-box h3 { font-size: 22px; }
            #hks-landing .guarantee-conditions { padding: 18px; }

            #hks-landing .comparison-table { border-radius: 10px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
            #hks-landing .comparison-table table { min-width: 500px; }
            #hks-landing .comparison-table th, #hks-landing .comparison-table td { padding: 12px; font-size: 13px; }

            #hks-landing .faq-question { padding: 16px; font-size: 14px; }
            #hks-landing .faq-answer-content { padding: 0 16px 16px; font-size: 13px; }

            #hks-landing .form-section { padding: 24px 18px; margin: 20px auto; }
            #hks-landing .form-row { grid-template-columns: 1fr; gap: 0; }
            #hks-landing .form-group input, #hks-landing .form-group select, #hks-landing .form-group textarea { font-size: 16px; padding: 14px; }

            #hks-landing .popup-content { padding: 28px 20px; }
            #hks-landing .popup-content h2 { font-size: 22px; }
            #hks-landing .popup-content p { font-size: 14px; }
            #hks-landing .popup-cta { flex-direction: column; }
            #hks-landing .popup-cta .btn { width: 100%; }

            #hks-landing #hks-stickyWhatsApp { display: none; }

            #hks-landing .toast { bottom: 90px; font-size: 13px; padding: 12px 20px; }

            #hks-landing .testimonial-grid { grid-template-columns: 1fr; gap: 16px; }
            #hks-landing .testimonial-card { padding: 22px; }

            #hks-landing .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
            #hks-landing .pdf-samples-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            #hks-landing .lightbox { padding: 50px 10px; }
            #hks-landing .lightbox-close { top: 12px; right: 12px; width: 40px; height: 40px; }
            #hks-landing .lightbox-nav { width: 44px; height: 44px; }
            #hks-landing .lightbox-nav.prev { left: 10px; }
            #hks-landing .lightbox-nav.next { right: 10px; }

            #hks-landing .mobile-sticky-bar { display: flex; }
            #hks-landing { padding-bottom: 72px; }

            #hks-landing .risk-reversal { padding: 20px; border-radius: 14px; }
            #hks-landing .risk-reversal-header h3 { font-size: 18px; }
            #hks-landing .risk-reversal-icon { width: 48px; height: 48px; font-size: 22px; }
            #hks-landing .risk-reversal-grid { grid-template-columns: 1fr; gap: 12px; }
            #hks-landing .risk-item { padding: 14px; }
            #hks-landing .risk-item-title { font-size: 14px; }
            #hks-landing .risk-item p { font-size: 12px; }

            #hks-landing .urgency-banner {
                font-size: 12px;
                padding: 10px 14px;
                line-height: 1.55;
                letter-spacing: -0.1px;
            }
            #hks-landing .urgency-banner span {
                padding: 1px 7px;
                margin-left: 4px;
                margin-right: 2px;
                white-space: nowrap;
                display: inline-block;
            }

            #hks-landing footer { padding: 40px 0 16px; }
            #hks-landing .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            #hks-landing .footer-col { text-align: left; }
        }

        /* ===== RESPONSIVE - SMALL PHONES ===== */
        @media (max-width: 380px) {
            #hks-landing .hero h1 { font-size: 24px; }
            #hks-landing .hero-subtitle { font-size: 14px; }
            #hks-landing .section-title { font-size: 22px; }
            #hks-landing .topbar-cta .btn { font-size: 11px; padding: 6px 10px; }
            #hks-landing .trust-badges { gap: 10px; }
            #hks-landing .trust-badge .number { font-size: 22px; }
            #hks-landing .form-section { padding: 20px 14px; }
        }

        /* Safe area (notch phones) */
        @supports (padding: env(safe-area-inset-bottom)) {
            #hks-landing #hks-stickyWhatsApp { bottom: calc(20px + env(safe-area-inset-bottom)); }
            #hks-landing footer { padding-bottom: calc(20px + env(safe-area-inset-bottom)); }
            #hks-landing .mobile-sticky-bar { padding-bottom: calc(10px + env(safe-area-inset-bottom)); }
        }