/* ============================================
   LEVEL200 — Ultra-Premium Homepage
   Deep Space · Holographic · 3D Enterprise
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Syne:wght@400;500;600;700;800&display=swap');

:root {
    /* Core palette */
    --bg:       #080810;
    --bg-2:     #0c0c18;
    --bg-3:     #0f0f20;
    --surface:  rgba(255,255,255,0.035);
    --surface-2:rgba(255,255,255,0.06);
    --glass:    rgba(255,255,255,0.04);
    --glass-border: rgba(255,255,255,0.10);

    /* Accents */
    --violet:   #6c63ff;
    --violet-2: #a78bfa;
    --violet-3: #c4b5fd;
    --violet-glow: rgba(108,99,255,0.35);
    --violet-soft: rgba(108,99,255,0.10);
    --cyan:     #00d4ff;
    --cyan-glow:rgba(0,212,255,0.3);
    --cyan-soft:rgba(0,212,255,0.08);
    --gold:     #f0c75a;
    --gold-glow:rgba(240,199,90,0.3);
    --gold-soft:rgba(240,199,90,0.08);

    /* Text */
    --text:     #f0eeff;
    --text-2:   #9d98c8;
    --text-3:   #5c587a;

    /* Borders / Shadows */
    --border:   rgba(255,255,255,0.07);
    --border-2: rgba(108,99,255,0.25);
    --shadow-1: 0 4px 24px rgba(0,0,0,0.5);
    --shadow-2: 0 20px 60px rgba(0,0,0,0.7);
    --shadow-v: 0 8px 40px rgba(108,99,255,0.25);

    --radius:   20px;
    --radius-sm:12px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --header-h: 72px;

    /* 3D tilt props (set by JS) */
    --rx: 0deg;
    --ry: 0deg;
    --mx: 50%;
    --my: 50%;
}

/* Light theme (opt-in) */
[data-theme="light"] {
    --bg:       #f4f3ff;
    --bg-2:     #eceaff;
    --bg-3:     #e8e5ff;
    --surface:  rgba(255,255,255,0.8);
    --surface-2:rgba(255,255,255,0.95);
    --glass:    rgba(255,255,255,0.6);
    --glass-border: rgba(108,99,255,0.2);
    --text:     #1a1730;
    --text-2:   #4a4470;
    --text-3:   #9390b8;
    --border:   rgba(108,99,255,0.12);
    --border-2: rgba(108,99,255,0.3);
    --shadow-1: 0 4px 24px rgba(108,99,255,0.08);
    --shadow-2: 0 20px 60px rgba(108,99,255,0.12);
}

/* ─── RESET ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Syne', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background 0.5s ease, color 0.5s ease;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ─── CUSTOM CURSOR DOT ─── */
body::after {
    content: '';
    position: fixed;
    width: 8px; height: 8px;
    background: var(--violet-2);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(var(--cx, -100px), var(--cy, -100px)) translate(-50%, -50%);
    transition: transform 0.05s linear, opacity 0.3s;
    box-shadow: 0 0 12px var(--violet-glow);
    opacity: 0;
}

/* ─── PARTICLES BG ─── */
.particles {
    position: fixed; inset: 0; z-index: 0;
    pointer-events: none; overflow: hidden;
}
.particles span {
    position: absolute;
    width: 2px; height: 2px;
    background: var(--violet-2);
    border-radius: 50%;
    opacity: 0;
    animation: particleDrift var(--dur, 20s) linear infinite;
    animation-delay: var(--del, 0s);
    left: var(--lx, 50%);
    top: 100%;
}
@keyframes particleDrift {
    0%   { opacity: 0;   transform: translateY(0)    scale(1); }
    10%  { opacity: 0.6; }
    90%  { opacity: 0.3; }
    100% { opacity: 0;   transform: translateY(-100vh) scale(0.5); }
}

/* ═══════════════════════════════════════════
   HEADER
═══════════════════════════════════════════ */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    height: var(--header-h);
    background: transparent;
    transition: var(--transition);
}
.site-header.scrolled {
    background: rgba(8,8,16,0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 0 rgba(108,99,255,0.15), var(--shadow-1);
}
[data-theme="light"] .site-header.scrolled {
    background: rgba(244,243,255,0.9);
}
.header-inner {
    max-width: 1360px;
    margin: 0 auto;
    height: 100%;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

/* Brand */
.brand {
    display: flex; align-items: center; gap: 12px;
    font-family: 'DM Serif Display', serif;
    flex-shrink: 0;
}
.brand-mark {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--violet), var(--violet-2));
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    border-radius: 12px;
    letter-spacing: -1px;
    box-shadow: 0 4px 20px var(--violet-glow);
    position: relative;
    overflow: hidden;
}
.brand-mark::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
    border-radius: inherit;
}
.brand-mark-200 { font-size: 10px; margin-left: 1px; }
.brand-name {
    font-family: 'DM Serif Display', serif;
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 1px;
    color: var(--text);
}
.brand-accent { color: var(--violet-2); font-style: italic; }

/* Nav */
.main-nav {
    display: flex;
    gap: 40px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.3px;
}
.main-nav a {
    color: var(--text-2);
    transition: var(--transition);
    position: relative;
    padding-bottom: 2px;
}
.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 1px;
    background: linear-gradient(90deg, var(--violet), var(--cyan));
    transition: width 0.3s ease;
}
.main-nav a:hover { color: var(--text); }
.main-nav a:hover::after { width: 100%; }

/* Header actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.lang-switch {
    display: flex;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 3px;
    gap: 2px;
}
.lang-btn {
    display: flex; align-items: center; gap: 5px;
    padding: 5px 10px;
    background: transparent;
    border: none;
    border-radius: 999px;
    color: var(--text-2);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Syne', sans-serif;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active {
    background: linear-gradient(135deg, var(--violet), var(--violet-2));
    color: #fff;
    box-shadow: 0 2px 12px var(--violet-glow);
}
.flag-icon { width: 16px; height: 16px; border-radius: 50%; object-fit: cover; }

.theme-toggle {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    color: var(--text-2);
    font-size: 15px;
    transition: var(--transition);
    position: relative; overflow: hidden;
}
.theme-toggle:hover {
    border-color: var(--violet);
    color: var(--violet-2);
    box-shadow: 0 0 20px var(--violet-soft);
}
.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    position: absolute;
    transition: transform 0.4s ease, opacity 0.3s ease;
}
[data-theme="light"] .theme-toggle .icon-sun { opacity: 1; transform: rotate(0); }
[data-theme="light"] .theme-toggle .icon-moon { opacity: 0; transform: rotate(-90deg); }
[data-theme="dark"] .theme-toggle .icon-sun { opacity: 0; transform: rotate(90deg); }
[data-theme="dark"] .theme-toggle .icon-moon { opacity: 1; transform: rotate(0); }

/* CTA button */
.btn-client-access {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--violet), var(--violet-2));
    color: #fff;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.3px;
    border-radius: 12px;
    transition: var(--transition);
    box-shadow: 0 4px 20px var(--violet-glow);
    position: relative; overflow: hidden;
    font-family: 'Syne', sans-serif;
}
.btn-client-access::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}
.btn-client-access:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--violet-glow);
}
.btn-client-access:hover::before { opacity: 1; }

.nav-burger {
    display: none;
    width: 40px; height: 40px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    cursor: pointer;
    font-size: 20px;
    align-items: center; justify-content: center;
    transition: var(--transition);
}
.nav-burger:hover { border-color: var(--violet); }

/* ═══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    padding-top: var(--header-h);
    display: flex;
    align-items: center;
    overflow: hidden;
    isolation: isolate;
}

/* Background layers */
.hero-bg {
    position: absolute; inset: 0; z-index: -3;
    background: var(--bg);
}
.hero-bg::before {
    content: '';
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 80% 80% at 20% 50%, rgba(108,99,255,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 60% 60% at 80% 20%, rgba(0,212,255,0.08) 0%, transparent 55%),
        radial-gradient(ellipse 50% 50% at 60% 80%, rgba(167,139,250,0.07) 0%, transparent 50%);
}
.hero-grid {
    position: absolute; inset: 0; z-index: -2;
    background-image:
        linear-gradient(rgba(108,99,255,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108,99,255,0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 70%);
}
.hero-glow {
    position: absolute;
    width: 800px; height: 600px;
    top: 15%; left: 50%;
    transform: translateX(-50%);
    background: radial-gradient(ellipse, rgba(108,99,255,0.18) 0%, rgba(0,212,255,0.06) 40%, transparent 70%);
    filter: blur(60px);
    z-index: -1;
    animation: heroPulse 10s ease-in-out infinite;
}
@keyframes heroPulse {
    0%, 100% { transform: translateX(-50%) scaleX(1)   scaleY(1);   opacity: 0.8; }
    33%       { transform: translateX(-48%) scaleX(1.1) scaleY(0.95); opacity: 1;   }
    66%       { transform: translateX(-52%) scaleX(0.9) scaleY(1.1);  opacity: 0.7; }
}

/* Hero content */
.hero-inner {
    max-width: 1160px;
    margin: 0 auto;
    padding: 100px 32px 140px;
    text-align: center;
    width: 100%;
    position: relative;
    z-index: 2;
}

.hero-eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 8px 18px;
    background: var(--surface);
    border: 1px solid var(--border-2);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--violet-2);
    margin-bottom: 32px;
    text-transform: uppercase;
}
.hero-dot {
    width: 7px; height: 7px;
    background: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--cyan);
    animation: dotPulse 1.8s ease-in-out infinite;
    flex-shrink: 0;
}
@keyframes dotPulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--cyan); }
    50%       { opacity: 0.5; box-shadow: 0 0 20px var(--cyan), 0 0 40px var(--cyan-glow); }
}

.hero-title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(44px, 7.5vw, 96px);
    font-weight: 400;
    line-height: 1.0;
    letter-spacing: -2px;
    margin-bottom: 28px;
    color: var(--text);
}
.hero-title span { display: block; }
.hero-title-accent {
    background: linear-gradient(135deg, var(--violet-2) 0%, var(--cyan) 50%, var(--violet-3) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-style: italic;
    animation: gradientShift 6s ease infinite;
}
@keyframes gradientShift {
    0%   { background-position: 0% 50%;   }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%;   }
}

.hero-subtitle {
    font-size: clamp(16px, 1.6vw, 19px);
    color: var(--text-2);
    max-width: 640px;
    margin: 0 auto 48px;
    line-height: 1.7;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 100px;
    flex-wrap: wrap;
}

/* Floating 3D panels in hero */
.hero-floats {
    position: absolute;
    inset: 0;
    pointer-events: none;
    perspective: 1200px;
    z-index: 1;
}
.float-panel {
    position: absolute;
    padding: 18px 22px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex; align-items: center; gap: 12px;
    white-space: nowrap;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.08);
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
    transform-style: preserve-3d;
}
.float-panel i { font-size: 20px; }
.float-panel-text { display: flex; flex-direction: column; }
.float-panel-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    opacity: 0.6;
}
.float-panel-value {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
}

.float-1 {
    top: 22%; left: 4%;
    color: var(--cyan);
    animation: float1 7s ease-in-out infinite;
    transform-origin: center;
}
.float-2 {
    top: 30%; right: 4%;
    color: var(--gold);
    animation: float2 9s ease-in-out infinite;
}
.float-3 {
    bottom: 18%; left: 8%;
    color: var(--violet-2);
    animation: float3 8s ease-in-out infinite;
}
@keyframes float1 {
    0%, 100% { transform: translateY(0)   rotateY(-8deg) rotateX(3deg);  }
    50%       { transform: translateY(-18px) rotateY(4deg) rotateX(-5deg); }
}
@keyframes float2 {
    0%, 100% { transform: translateY(0)    rotateY(10deg)  rotateX(-4deg); }
    40%       { transform: translateY(-14px) rotateY(-6deg) rotateX(6deg);  }
}
@keyframes float3 {
    0%, 100% { transform: translateY(0)    rotateY(-6deg) rotateX(5deg);  }
    60%       { transform: translateY(-20px) rotateY(8deg)  rotateX(-3deg); }
}

/* Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    max-width: 900px;
    margin: 0 auto;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
}
.stat {
    text-align: center;
    padding: 28px 20px;
    background: var(--bg);
    position: relative;
}
.stat::after {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 50% 0%, var(--violet-soft), transparent 70%);
    pointer-events: none;
}
.stat-num {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 400;
    color: var(--text);
    letter-spacing: -1px;
    line-height: 1;
}
.stat-num span {
    color: var(--cyan);
    text-shadow: 0 0 20px var(--cyan-glow);
}
.stat-label {
    font-size: 11px;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 6px;
    font-weight: 600;
}

.hero-scroll {
    position: absolute;
    bottom: 32px; left: 50%;
    transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    color: var(--text-3);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    font-weight: 600;
}
.hero-scroll i { animation: bounce 2.2s ease-in-out infinite; font-size: 14px; }
@keyframes bounce {
    0%, 100% { transform: translateY(0);  }
    50%       { transform: translateY(7px); }
}

/* ─── WAVE DIVIDER ─── */
.wave-divider {
    position: relative;
    overflow: hidden;
    line-height: 0;
}
.wave-divider svg {
    display: block;
    width: 100%;
    height: 80px;
}

/* ═══════════════════════════════════════════
   GLOBAL BUTTONS
═══════════════════════════════════════════ */
.btn-primary {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 16px 36px;
    background: linear-gradient(135deg, var(--violet) 0%, var(--violet-2) 100%);
    color: #fff;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.3px;
    border-radius: 14px;
    transition: var(--transition);
    box-shadow: 0 8px 30px var(--violet-glow);
    border: none; cursor: pointer;
    position: relative; overflow: hidden;
}
.btn-primary::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent 60%);
    opacity: 0; transition: opacity 0.3s;
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 50px var(--violet-glow);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary.full { width: 100%; justify-content: center; }

.btn-ghost {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 16px 36px;
    background: var(--surface);
    color: var(--text);
    font-family: 'Syne', sans-serif;
    font-weight: 600;
    font-size: 15px;
    border: 1px solid var(--border-2);
    border-radius: 14px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}
.btn-ghost:hover {
    border-color: var(--violet-2);
    color: var(--violet-2);
    background: var(--violet-soft);
    box-shadow: 0 0 0 1px var(--violet-soft), 0 8px 30px var(--violet-soft);
}

.btn-link {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 0 0;
    color: var(--text-2);
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    font-family: 'Syne', sans-serif;
}
.btn-link:hover { color: var(--violet-2); }

/* ─── SECTION COMMON ─── */
.section-head { max-width: 800px; margin: 0 auto 72px; }
.section-head.center { text-align: center; }
.section-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--violet-2);
    margin-bottom: 20px;
}
.section-eyebrow::before {
    content: '';
    width: 20px; height: 1px;
    background: linear-gradient(90deg, var(--violet), var(--cyan));
}
.section-title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(32px, 4.5vw, 56px);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--text);
}
.section-sub {
    font-size: 17px;
    color: var(--text-2);
    margin-top: 18px;
    line-height: 1.65;
}

/* ═══════════════════════════════════════════
   SERVICES
═══════════════════════════════════════════ */
.services {
    padding: 120px 32px;
    background: var(--bg-2);
    position: relative;
}
.services-grid {
    max-width: 1320px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    perspective: 1200px;
}

/* 3D tilt card */
.service-card {
    padding: 36px 30px 32px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
    cursor: default;
    transition: transform 0.1s ease, box-shadow 0.4s ease, border-color 0.4s ease;
    will-change: transform;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
/* Holographic shimmer layer */
.service-card::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(
        105deg,
        transparent 20%,
        rgba(108,99,255,0.08) 35%,
        rgba(0,212,255,0.12) 45%,
        rgba(167,139,250,0.08) 55%,
        transparent 70%
    );
    background-size: 300% 300%;
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
    z-index: 1;
    animation: shimmerMove 3s ease-in-out infinite paused;
}
/* Top accent line */
.service-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--violet-2), var(--cyan), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}
@keyframes shimmerMove {
    0%   { background-position: 100% 0%;   }
    100% { background-position: -100% 100%; }
}
.service-card:hover {
    border-color: rgba(108,99,255,0.4);
    box-shadow:
        0 0 0 1px rgba(108,99,255,0.15),
        0 20px 60px rgba(0,0,0,0.5),
        0 0 40px rgba(108,99,255,0.1);
    transform: rotateX(var(--rx)) rotateY(var(--ry)) translateZ(8px);
}
.service-card:hover::before {
    opacity: 1;
    animation-play-state: running;
}
.service-card:hover::after { opacity: 1; }

.service-icon {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--violet-soft), var(--cyan-soft));
    border: 1px solid rgba(108,99,255,0.2);
    border-radius: 16px;
    color: var(--violet-2);
    font-size: 24px;
    margin-bottom: 24px;
    position: relative; z-index: 2;
    transition: transform 0.5s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.4s;
}
.service-card:hover .service-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 8px 25px var(--violet-glow);
    color: var(--cyan);
}
.service-card h3 {
    font-family: 'DM Serif Display', serif;
    font-size: 22px;
    font-weight: 400;
    margin-bottom: 10px;
    color: var(--text);
    position: relative; z-index: 2;
    letter-spacing: -0.3px;
}
.service-card p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.65;
    position: relative; z-index: 2;
}

/* ═══════════════════════════════════════════
   EXPERTISE
═══════════════════════════════════════════ */
.expertise { padding: 120px 32px; background: var(--bg); }
.expertise-grid {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 80px;
    align-items: center;
}
.expertise-text p {
    font-size: 16px;
    color: var(--text-2);
    margin-top: 22px;
    line-height: 1.8;
}
.bullet-list {
    list-style: none;
    margin-top: 36px;
    display: flex; flex-direction: column; gap: 14px;
}
.bullet-list li {
    display: flex; align-items: center; gap: 14px;
    font-size: 15px;
    color: var(--text);
    font-weight: 500;
}
.bullet-list i {
    color: var(--cyan);
    font-size: 17px;
    text-shadow: 0 0 12px var(--cyan-glow);
    flex-shrink: 0;
}

/* Visual panels */
.expertise-visual {
    position: relative;
    height: 480px;
    perspective: 1000px;
}
.visual-card {
    position: absolute;
    padding: 28px 24px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-2);
    display: flex; flex-direction: column; gap: 12px;
    min-width: 220px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: transform 0.5s ease, border-color 0.4s, box-shadow 0.4s;
}
.visual-card::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(108,99,255,0.06), transparent);
    border-radius: inherit;
    pointer-events: none;
}
.visual-card i { font-size: 30px; }
.visual-card span {
    font-family: 'DM Serif Display', serif;
    font-size: 18px;
    font-weight: 400;
    color: var(--text);
}
.visual-1 { top: 0; left: 0; transform: rotate(-4deg) translateZ(-20px); }
.visual-1 i { color: var(--cyan); text-shadow: 0 0 20px var(--cyan-glow); }
.visual-2 { top: 38%; right: 0; transform: rotate(3deg) translateZ(-10px); }
.visual-2 i { color: var(--gold); text-shadow: 0 0 20px var(--gold-glow); }
.visual-3 { bottom: 0; left: 18%; transform: rotate(-1.5deg) translateZ(0); }
.visual-3 i { color: var(--violet-2); text-shadow: 0 0 20px var(--violet-glow); }
.visual-card:hover {
    transform: rotate(0) translateZ(20px) scale(1.04) !important;
    border-color: var(--violet);
    box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 30px var(--violet-soft);
}

/* ═══════════════════════════════════════════
   WHY
═══════════════════════════════════════════ */
.why { padding: 120px 32px; background: var(--bg-2); }
.why-grid {
    max-width: 1320px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.why-item {
    padding: 40px 32px;
    background: var(--glass);
    border-radius: var(--radius);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}
.why-item::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--violet), var(--cyan));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}
.why-item:hover {
    transform: translateY(-6px);
    border-color: rgba(108,99,255,0.3);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 30px var(--violet-soft);
}
.why-item:hover::before { transform: scaleX(1); }
.why-num {
    font-family: 'DM Serif Display', serif;
    font-size: 60px;
    font-weight: 400;
    line-height: 1;
    margin-bottom: 20px;
    letter-spacing: -3px;
    background: linear-gradient(135deg, var(--violet-2), var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    opacity: 0.5;
}
.why-item h3 {
    font-family: 'DM Serif Display', serif;
    font-size: 22px;
    font-weight: 400;
    margin-bottom: 12px;
    color: var(--text);
}
.why-item p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.65;
}

/* Solid background fallback for browsers without backdrop-filter (e.g. older Android) */
@supports not (backdrop-filter: blur(1px)) {
    .service-card, .why-item { background: var(--bg-2); }
    [data-theme="light"] .service-card, [data-theme="light"] .why-item { background: rgba(255,255,255,0.92); }
}

/* ═══════════════════════════════════════════
   CTA SECTION
═══════════════════════════════════════════ */
.cta-section {
    padding: 120px 32px;
    position: relative;
    overflow: hidden;
}
/* Aurora background */
.cta-section::before {
    content: '';
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 50%, rgba(108,99,255,0.15), transparent 60%),
        radial-gradient(ellipse 60% 80% at 80% 50%, rgba(0,212,255,0.10), transparent 55%),
        radial-gradient(ellipse 50% 40% at 50% 50%, rgba(167,139,250,0.08), transparent 50%);
    animation: auroraShift 12s ease-in-out infinite;
}
@keyframes auroraShift {
    0%   { transform: scale(1)   rotate(0deg);   }
    33%  { transform: scale(1.1) rotate(2deg);   }
    66%  { transform: scale(0.95) rotate(-2deg); }
    100% { transform: scale(1)   rotate(0deg);   }
}
.cta-inner {
    max-width: 920px;
    margin: 0 auto;
    text-align: center;
    padding: 80px 56px;
    background: var(--glass);
    border: 1px solid rgba(108,99,255,0.3);
    border-radius: 28px;
    box-shadow:
        0 0 0 1px rgba(108,99,255,0.1),
        0 40px 100px rgba(0,0,0,0.5),
        inset 0 1px 0 rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);
    position: relative; overflow: hidden;
}
.cta-inner::before {
    content: '';
    position: absolute;
    top: -80px; left: -80px; right: -80px;
    height: 200px;
    background: linear-gradient(180deg, rgba(108,99,255,0.12) 0%, transparent 100%);
    pointer-events: none;
}
.cta-inner h2 {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(30px, 4.5vw, 48px);
    font-weight: 400;
    margin-bottom: 18px;
    color: var(--text);
    letter-spacing: -1px;
    position: relative; z-index: 1;
}
.cta-inner p {
    color: var(--text-2);
    font-size: 18px;
    margin-bottom: 36px;
    position: relative; z-index: 1;
}
.cta-buttons {
    display: flex; gap: 16px; justify-content: center;
    flex-wrap: wrap;
    position: relative; z-index: 1;
}

/* ═══════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════ */
.contact { padding: 120px 32px; background: var(--bg); }
.contact-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: start;
}
.contact-list {
    list-style: none;
    margin-top: 36px;
    display: flex; flex-direction: column; gap: 16px;
}
.contact-list li {
    display: flex; align-items: center; gap: 18px;
    padding: 20px 24px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}
.contact-list li:hover {
    border-color: rgba(108,99,255,0.3);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3), 0 0 20px var(--violet-soft);
}
.contact-list i {
    font-size: 22px;
    color: var(--violet-2);
    text-shadow: 0 0 14px var(--violet-glow);
    width: 32px;
    flex-shrink: 0;
}
.contact-list a, .contact-list span { color: var(--text); font-weight: 600; font-size: 15px; }
.contact-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-3);
    margin-bottom: 3px;
    font-weight: 700;
}
.contact-card {
    padding: 40px;
    background: var(--glass);
    border: 1px solid rgba(108,99,255,0.25);
    border-radius: var(--radius);
    box-shadow: var(--shadow-1);
    text-align: center;
    backdrop-filter: blur(20px);
    position: relative; overflow: hidden;
}
.contact-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--violet-2), transparent);
}
.contact-card h3 {
    font-family: 'DM Serif Display', serif;
    font-size: 28px;
    font-weight: 400;
    margin-bottom: 12px;
    color: var(--text);
}
.contact-card p {
    color: var(--text-2);
    margin-bottom: 28px;
    line-height: 1.6;
    font-size: 15px;
}

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
.site-footer {
    padding: 60px 32px 40px;
    background: var(--bg);
    border-top: 1px solid var(--border);
    position: relative;
}
.site-footer::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(108,99,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108,99,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}
.footer-inner {
    max-width: 1320px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 32px;
    position: relative;
}
.footer-brand p {
    color: var(--text-3);
    font-size: 13px;
    margin-top: 6px;
    font-weight: 500;
}
.footer-links {
    display: flex; gap: 28px;
    flex-wrap: wrap; justify-content: center;
}
.footer-links a {
    color: var(--text-3);
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--violet-2); }
.footer-meta {
    text-align: right;
    font-size: 12px;
    color: var(--text-3);
    font-weight: 500;
}

/* ═══════════════════════════════════════════
   SCROLL REVEAL
═══════════════════════════════════════════ */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.9s cubic-bezier(0.22,1,0.36,1),
                transform 0.9s cubic-bezier(0.22,1,0.36,1);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 1024px) {
    :root { --header-h: 68px; }
    .main-nav { display: none; }
    .nav-burger { display: flex; }
    .expertise-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
    .visual-1, .visual-2, .visual-3 { position: relative !important; transform: none !important; top: auto; left: auto; right: auto; bottom: auto; width: 100%; }
    .expertise-visual { height: auto; display: flex; flex-direction: column; gap: 14px; max-width: 420px; margin: 0 auto; }
    .footer-inner { grid-template-columns: 1fr; text-align: center; gap: 20px; }
    .footer-meta { text-align: center; }
    .hero-floats { display: none; }
    .header-inner { padding: 0 24px; }
}
@media (max-width: 768px) {
    :root { --header-h: 62px; }
    .header-inner { padding: 0 16px; gap: 8px; }
    .lang-switch { display: none; }
    .btn-client-access span { display: none; }
    .btn-client-access { padding: 9px 12px; }
    .hero-inner { padding: 48px 20px 80px; }
    .hero-cta { margin-bottom: 60px; gap: 12px; }
    .hero-stats { grid-template-columns: repeat(2,1fr); border-radius: 16px; }
    .hero-scroll { display: none; }
    .services, .expertise, .why, .contact, .cta-section { padding: 80px 20px; }
    .cta-inner { padding: 48px 24px; }
    .services-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
    .why-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
    .service-card { padding: 28px 22px; }
}
@media (max-width: 480px) {
    .hero-title { letter-spacing: -1px; }
    .hero-stats { grid-template-columns: repeat(2,1fr); }
    .cta-buttons { flex-direction: column; }
    .cta-buttons .btn-primary, .cta-buttons .btn-ghost { width: 100%; justify-content: center; }
    .btn-primary, .btn-ghost { padding: 14px 24px; font-size: 14px; }
    .contact-card { padding: 28px 20px; }
    .services-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .service-card { padding: 24px 18px; }
}
@media (max-width: 380px) {
    :root { --header-h: 56px; }
    .services, .expertise, .why, .contact, .cta-section { padding: 60px 14px; }
    .cta-inner { padding: 36px 16px; border-radius: 18px; }
}

/* Mobile nav */
.main-nav.open {
    display: flex;
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    padding: 24px 28px;
    background: rgba(8,8,16,0.95);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    gap: 0;
    box-shadow: var(--shadow-2);
    animation: slideDownMenu 0.3s ease;
}
[data-theme="light"] .main-nav.open { background: rgba(244,243,255,0.97); }
.main-nav.open a {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
    font-weight: 600;
}
.main-nav.open a:last-child { border-bottom: none; }
.main-nav.open a:last-of-type { border-bottom: none; }

/* Language flags inside mobile nav drawer */
.nav-lang-mobile {
    display: none;
}
.main-nav.open .nav-lang-mobile {
    display: flex;
    gap: 10px;
    padding: 16px 0 4px;
    border-top: 1px solid var(--border);
    margin-top: 4px;
}
.main-nav.open .nav-lang-mobile .lang-btn {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
    flex: 1;
    justify-content: center;
}
.main-nav.open .nav-lang-mobile .lang-btn:hover,
.main-nav.open .nav-lang-mobile .lang-btn.active {
    border-color: var(--violet);
    color: var(--text);
    background: rgba(124,58,237,0.10);
}
.main-nav.open .nav-lang-mobile .flag-icon {
    width: 20px;
    height: 14px;
    object-fit: cover;
    border-radius: 2px;
}

@keyframes slideDownMenu {
    from { opacity: 0; transform: translateY(-14px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .reveal { opacity: 1; transform: none; }
    .service-card:hover { transform: none; }
}

/* Touch devices */
@media (hover: none) and (pointer: coarse) {
    .service-card:active { transform: scale(0.98); }
    .why-item:active     { transform: scale(0.98); }
    .btn-primary:active, .btn-ghost:active { transform: scale(0.97); }
}