@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-dark: #07090e;
    --bg-card: rgba(13, 17, 28, 0.7);
    --bg-card-hover: rgba(22, 28, 45, 0.85);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-gold: #f59e0b;
    --accent-gold-rgb: 245, 158, 11;
    --accent-blue: #0ea5e9;
    --accent-blue-rgb: 14, 165, 233;
    --accent-purple: #a855f7;
    --accent-purple-rgb: 168, 85, 247;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    
    --gold-grad: linear-gradient(135deg, #f59e0b, #ea580c);
    --blue-grad: linear-gradient(135deg, #38bdf8, #0284c7);
    --purple-grad: linear-gradient(135deg, #c084fc, #7e22ce);
    --cyan-grad: linear-gradient(135deg, #22d3ee, #0891b2);
    
    --shadow-glow-blue: 0 0 25px rgba(14, 165, 233, 0.15);
    --shadow-glow-gold: 0 0 25px rgba(245, 158, 11, 0.15);
    
    --font-ar: 'Cairo', sans-serif;
    --font-en: 'Outfit', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-ar);
    line-height: 1.8;
    overflow-x: hidden;
    position: relative;
}

/* Ambient glow backgrounds */
.ambient-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    filter: blur(150px);
    opacity: 0.12;
}
.glow-1 {
    top: -10%;
    left: -10%;
    background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
}
.glow-2 {
    bottom: 10%;
    right: -10%;
    background: radial-gradient(circle, var(--accent-gold) 0%, transparent 70%);
}
.glow-3 {
    top: 50%;
    left: 40%;
    background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ── HEADER ── */
header {
    padding: 1.5rem 0;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}
.logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--gold-grad);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}
.back-btn {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.6rem 1.2rem;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.back-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent-gold);
    background: rgba(245, 158, 11, 0.05);
    transform: translateY(-2px);
}

/* ── HERO SECTION ── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 30%, var(--bg-dark) 90%);
    z-index: 2;
}
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/hero_bg.png');
    background-size: cover;
    background-position: center;
    opacity: 0.45;
    z-index: 1;
    transform: scale(1.05);
    animation: zoomSlow 20s infinite alternate ease-in-out;
}
@keyframes zoomSlow {
    0% { transform: scale(1.05) translateY(0); }
    100% { transform: scale(1.12) translateY(-10px); }
}
.hero-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    background: rgba(245, 158, 11, 0.09);
    border: 1px solid rgba(245, 158, 11, 0.25);
    color: var(--accent-gold);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.05);
    backdrop-filter: blur(10px);
}
.hero h1 {
    font-size: clamp(2.2rem, 5.5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 30%, #e2e8f0 70%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}
.hero-subtitle {
    font-family: var(--font-en);
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    font-weight: 500;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}
.hero p.desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
    line-height: 1.75;
}
.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: var(--gold-grad);
    color: #000;
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.45);
}
.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(8px);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
    transform: translateY(-3px);
}

.scroll-down {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.75rem;
    z-index: 10;
    opacity: 0.8;
}
.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-secondary);
    border-radius: 20px;
    position: relative;
}
.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--accent-gold);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollMouse 1.8s infinite;
}
@keyframes scrollMouse {
    0% { opacity: 0; top: 6px; }
    30% { opacity: 1; }
    80% { opacity: 0; top: 22px; }
    100% { opacity: 0; top: 6px; }
}

/* ── MAIN LAYOUT ── */
main {
    position: relative;
    z-index: 5;
    padding-bottom: 8rem;
}

/* ── SECTION STYLING ── */
.section {
    padding: 6rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.section-header {
    margin-bottom: 3.5rem;
    text-align: right;
    max-width: 700px;
}
.section-num {
    font-family: var(--font-en);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-gold);
    letter-spacing: 0.15em;
    display: block;
    margin-bottom: 0.5rem;
}
.section-header h2 {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}
.section-header h2::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--gold-grad);
    border-radius: 2px;
}
.section-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

/* ── GLASS CARD ── */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
}
.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-5px);
}

/* ── SECTION 1: GRIP ── */
.grip-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}
.grip-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.grip-item {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: all 0.3s ease;
}
.grip-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(245, 158, 11, 0.15);
    transform: translateX(-5px);
}
.grip-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
    border: 1px solid rgba(245, 158, 11, 0.2);
}
.grip-item-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    color: var(--text-primary);
}
.grip-item-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
.image-showcase {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 4/3;
    border: 1px solid var(--border-color);
}
.showcase-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}
.image-showcase:hover .showcase-img {
    transform: scale(1.05);
}
.image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 10%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
}
.image-caption {
    font-size: 0.85rem;
    color: #fff;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ── SECTION 2: COMPOSITION ── */
.composition-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}
.composition-intro {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.comp-card {
    padding: 1.5rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    margin-top: 1rem;
}
.comp-card h4 {
    font-size: 1.05rem;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}
.interactive-grid-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 4/3;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-glow-blue);
}
.grid-lines-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.4s ease;
}
.grid-lines-overlay.active {
    opacity: 1;
}
.grid-line-h1, .grid-line-h2 {
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(14, 165, 233, 0.65);
    box-shadow: 0 0 4px rgba(14, 165, 233, 0.8);
}
.grid-line-h1 { top: 33.33%; }
.grid-line-h2 { top: 66.66%; }

.grid-line-v1, .grid-line-v2 {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 1px;
    background: rgba(14, 165, 233, 0.65);
    box-shadow: 0 0 4px rgba(14, 165, 233, 0.8);
}
.grid-line-v1 { left: 33.33%; }
.grid-line-v2 { left: 66.66%; }

/* Grid intersection points */
.grid-point {
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--accent-blue);
    box-shadow: 0 0 8px #0ea5e9, 0 0 15px #0ea5e9;
    transform: translate(-50%, -50%);
    animation: pulseGlow 2s infinite;
}
@keyframes pulseGlow {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    50% { transform: translate(-50%, -50%) scale(1.3); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
}
.point-1 { top: 33.33%; left: 33.33%; }
.point-2 { top: 33.33%; left: 66.66%; }
.point-3 { top: 66.66%; left: 33.33%; }
.point-4 { top: 66.66%; left: 66.66%; }

.grid-toggle-btn {
    position: absolute;
    bottom: 1.25rem;
    right: 1.25rem;
    z-index: 20;
    background: rgba(13, 17, 28, 0.85);
    color: #fff;
    border: 1px solid var(--accent-blue);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.grid-toggle-btn:hover {
    background: var(--accent-blue);
    color: #000;
    box-shadow: 0 0 15px rgba(14, 165, 233, 0.4);
}
.grid-toggle-btn.active {
    background: var(--accent-blue);
    color: #000;
}

/* ── SECTION 3: STORYTELLING & LIGHTING ── */
.story-lighting-container {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}
.story-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.story-elements {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
.story-element-card {
    padding: 1.25rem 1.5rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: all 0.3s ease;
}
.story-element-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255,255,255,0.08);
}
.story-element-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.story-element-card h4 .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent-gold);
}
.story-element-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Lighting Setup Simulator */
.lighting-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.lighting-sim-widget {
    background: #0b0d13;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 2rem;
    position: relative;
    box-shadow: inset 0 0 40px rgba(0,0,0,0.8);
}
.portrait-preview-area {
    position: relative;
    width: 100%;
    aspect-ratio: 4/5;
    border-radius: 16px;
    overflow: hidden;
    background-color: #030406;
}
.portrait-base {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: filter 0.4s ease;
}
/* Filter states for portrait based on lighting toggles */
.portrait-preview-area::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    transition: all 0.5s ease;
    mix-blend-mode: screen;
    opacity: 0;
}
.lighting-glow-key {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 15% 30%, rgba(255, 255, 255, 0.55) 0%, transparent 60%);
    mix-blend-mode: overlay;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}
.lighting-glow-fill {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 85% 50%, rgba(14, 165, 233, 0.3) 0%, transparent 60%);
    mix-blend-mode: screen;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}
.lighting-glow-back {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 10%, rgba(168, 85, 247, 0.5) 0%, transparent 50%),
                radial-gradient(circle at 50% 30%, rgba(168, 85, 247, 0.25) 0%, transparent 70%);
    mix-blend-mode: color-dodge;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.sim-controls {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-top: 1.5rem;
}
.light-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1.2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}
.light-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
}
.light-toggle.active[data-light="key"] {
    border-color: var(--accent-gold);
    background: rgba(245, 158, 11, 0.05);
}
.light-toggle.active[data-light="fill"] {
    border-color: var(--accent-blue);
    background: rgba(14, 165, 233, 0.05);
}
.light-toggle.active[data-light="back"] {
    border-color: var(--accent-purple);
    background: rgba(168, 85, 247, 0.05);
}
.light-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    font-weight: 600;
}
.light-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--text-muted);
    transition: all 0.3s ease;
}
.light-toggle.active[data-light="key"] .light-indicator {
    background-color: var(--accent-gold);
    box-shadow: 0 0 10px var(--accent-gold);
}
.light-toggle.active[data-light="fill"] .light-indicator {
    background-color: var(--accent-blue);
    box-shadow: 0 0 10px var(--accent-blue);
}
.light-toggle.active[data-light="back"] .light-indicator {
    background-color: var(--accent-purple);
    box-shadow: 0 0 10px var(--accent-purple);
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}
.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: rgba(255, 255, 255, 0.1);
    transition: .3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 34px;
}
.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 50%;
}
.light-toggle.active[data-light="key"] .slider { background-color: var(--accent-gold); }
.light-toggle.active[data-light="fill"] .slider { background-color: var(--accent-blue); }
.light-toggle.active[data-light="back"] .slider { background-color: var(--accent-purple); }

.light-toggle.active input:checked + .slider:before {
    transform: translateX(20px);
}

/* ── SECTION 4: CAMERA ANGLES ── */
.angles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.angle-card {
    padding: 2rem;
    border-radius: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}
.angle-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gold-grad);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.angle-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(245,158,11,0.25);
    transform: translateY(-8px);
}
.angle-card:hover::before {
    opacity: 1;
}
.angle-icon {
    font-size: 1.8rem;
    margin-bottom: 1.25rem;
    display: block;
}
.angle-card h3 {
    font-size: 1.15rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}
.angle-card h4.en-name {
    font-family: var(--font-en);
    font-size: 0.8rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.angle-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}
.angle-tip {
    font-size: 0.8rem;
    padding: 0.6rem 0.9rem;
    background: rgba(255,255,255,0.02);
    border-radius: 10px;
    border-left: 2px solid var(--accent-gold);
    color: var(--text-primary);
}

/* ── SECTION 5: COLOR GRADING (LIGHTROOM) ── */
.grading-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}
.slider-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    user-select: none;
}
.slider-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/storytelling.png');
    background-size: cover;
    background-position: center;
}
.slider-img.img-before {
    /* Flatten the image using filters to simulate flat raw */
    filter: saturate(0.55) contrast(0.7) brightness(0.9) sepia(0.15) blur(0.3px);
    width: 100%;
    z-index: 1;
}
.slider-img.img-after {
    /* Vibrant, custom graded colors */
    filter: saturate(1.35) contrast(1.15) brightness(1.05) contrast(1.1) hue-rotate(2deg);
    width: 100%;
    z-index: 2;
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}
.comparison-slider {
    position: absolute;
    top: 0;
    left: 50%;
    width: 3px;
    height: 100%;
    background: #fff;
    z-index: 10;
    cursor: ew-resize;
    transform: translateX(-50%);
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
}
.slider-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid rgba(13, 17, 28, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
.comparison-badge {
    position: absolute;
    top: 1rem;
    z-index: 20;
    padding: 0.35rem 0.85rem;
    background: rgba(13, 17, 28, 0.8);
    backdrop-filter: blur(8px);
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid var(--border-color);
}
.badge-before { right: 1rem; color: #fff; }
.badge-after { left: 1rem; color: var(--accent-gold); }

.grading-details {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.grading-stat {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.grading-bar {
    height: 4px;
    background: rgba(255,255,255,0.06);
    flex-grow: 1;
    border-radius: 2px;
    position: relative;
}
.grading-bar::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: var(--gold-grad);
    border-radius: 2px;
}
.bar-grad::after { width: 75%; }
.bar-light::after { width: 60%; }
.bar-bal::after { width: 45%; }
.bar-noise::after { width: 80%; }

/* ── CONTACT & FOOTER ── */
.contact-section {
    padding: 6rem 0 2rem;
    position: relative;
}
.contact-card {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(22, 28, 45, 0.85), rgba(13, 17, 28, 0.95));
    border-color: rgba(245, 158, 11, 0.2);
    box-shadow: var(--shadow-glow-gold);
}
.contact-card h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}
.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1rem;
}
.contact-details {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}
.contact-info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}
.contact-info-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    border: 1px solid rgba(245, 158, 11, 0.2);
}
.contact-info-item span.label {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.contact-info-item a, .contact-info-item span.val {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    direction: ltr;
    font-family: var(--font-en);
}
.contact-info-item a:hover {
    color: var(--accent-gold);
}

footer {
    text-align: center;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ── RESPONSIVE DESIGN ── */
@media (max-width: 992px) {
    .grip-grid, .composition-grid, .story-block, .lighting-block, .grading-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .image-showcase, .interactive-grid-container, .lighting-sim-widget, .slider-container {
        max-width: 600px;
        margin: 0 auto;
    }
    .hero-content {
        text-align: center;
        margin: 0 auto;
    }
    .hero-cta {
        justify-content: center;
    }
    .section-header {
        text-align: center;
        margin: 0 auto 3rem;
    }
    .section-header h2 {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    .section-header h2::after {
        width: 80px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 1.25rem;
    }
    .hero h1 {
        font-size: 2.2rem;
    }
    .contact-details {
        flex-direction: column;
        gap: 1.5rem;
    }
}