/* ════════════════════════════════════════════════════════════
   GlazioScanner — Ultra Premium Design System (Apple/Google level)
   Dark/Light Theme · Inter Font · Abstract Minimal Aesthetics
   ════════════════════════════════════════════════════════════ */

:root, [data-theme="dark"] {
    --bg: #000000;
    --bg-alt: #0a0a0c;
    --bg-card: rgba(255,255,255,0.03);
    --bg-card-hover: rgba(255,255,255,0.06);
    --bg-nav: rgba(0,0,0,0.75);
    --text: #f5f5f7;
    --text-2: #a1a1a6;
    --text-3: #6e6e73;
    --border: rgba(255,255,255,0.08);
    --border-hover: rgba(255,255,255,0.15);
    --primary: #2997ff;
    --primary-dark: #0071e3;
    --primary-glow: rgba(41, 151, 255, 0.4);
    --glow-1: rgba(41, 151, 255, 0.15);
    --glow-2: rgba(41, 151, 255, 0.08);
    --shadow: rgba(0,0,0,0.6);
    --legal-section: rgba(255,255,255,0.03);
}

[data-theme="light"] {
    --bg: #ffffff;
    --bg-alt: #f5f5f7;
    --bg-card: rgba(0,0,0,0.02);
    --bg-card-hover: rgba(0,0,0,0.05);
    --bg-nav: rgba(255,255,255,0.85);
    --text: #1d1d1f;
    --text-2: #86868b;
    --text-3: #a1a1a6;
    --border: rgba(0,0,0,0.1);
    --border-hover: rgba(0,0,0,0.2);
    --primary: #0071e3;
    --primary-dark: #0077ed;
    --primary-glow: rgba(0, 113, 227, 0.3);
    --glow-1: rgba(0, 113, 227, 0.06);
    --glow-2: rgba(0, 113, 227, 0.03);
    --shadow: rgba(0,0,0,0.08);
    --legal-section: rgba(0,0,0,0.02);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:80px; }
body {
    font-family:'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background:var(--bg); color:var(--text);
    line-height:1.5; overflow-x:hidden;
    transition: background .4s ease, color .4s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.015em;
}
.container { max-width:1080px; margin:0 auto; padding:0 24px; }

/* ─── Typography Enhancements ─── */
h1, h2, h3, h4 { letter-spacing: -0.03em; font-weight: 700; }

/* ─── Animations ─── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); filter: blur(5px); }
    to { opacity: 1; transform: translateY(0); filter: blur(0); }
}
.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ─── Navbar ─── */
.navbar {
    position:fixed; top:0; left:0; right:0; z-index:50;
    padding:20px 0; transition: all .4s cubic-bezier(0.16, 1, 0.3, 1);
    background: transparent;
}
.navbar.scrolled {
    background:var(--bg-nav);
    backdrop-filter:saturate(180%) blur(20px); -webkit-backdrop-filter:saturate(180%) blur(20px);
    border-bottom:1px solid var(--border);
    padding:12px 0;
}
.nav-content { display:flex; align-items:center; justify-content:space-between; }
.nav-logo {
    display:flex; align-items:center; gap:8px;
    text-decoration:none; color:var(--text);
    font-weight:700; font-size:1.1rem; letter-spacing: -0.02em;
}
.nav-icon { width:28px; height:28px; border-radius:6px; }
.nav-links { display:flex; align-items:center; gap:32px; }
.nav-links a {
    text-decoration:none; color:var(--text-2);
    font-size:.85rem; font-weight:500;
    transition:color .3s;
}
.nav-links a:hover { color:var(--text); }
.nav-controls { display:flex; align-items:center; gap:12px; }
.nav-mobile-controls { display:none; align-items:center; gap:12px; }

.theme-toggle {
    background:transparent; border:none; color:var(--text-2);
    display:flex; align-items:center; justify-content:center;
    cursor:pointer; transition:all .3s;
}
.theme-toggle:hover { color:var(--text); transform: scale(1.1); }
[data-theme="dark"] .theme-icon-sun { display:none; }
[data-theme="dark"] .theme-icon-moon { display:block; }
[data-theme="light"] .theme-icon-sun { display:block; }
[data-theme="light"] .theme-icon-moon { display:none; }

.lang-toggle {
    background:var(--bg-card); border:1px solid var(--border);
    color:var(--text); padding:4px 12px; border-radius:12px;
    font-weight:600; font-size:.75rem; cursor:pointer;
    transition:all .3s; font-family:inherit;
}
.lang-toggle:hover { background:var(--primary); color:#fff; border-color:var(--primary); }

.hamburger { display:none; flex-direction:column; gap:4px; background:none; border:none; cursor:pointer; padding:4px; }
.hamburger span { display:block; width:20px; height:2px; background:var(--text); border-radius:2px; transition:.3s; }

/* ─── Hero Centered Ultra-Premium ─── */
.hero {
    min-height:100vh; display:flex; justify-content:center; align-items:center;
    padding:160px 0 80px; position:relative; overflow:hidden;
}
.hero-glow { position:absolute; border-radius:50%; filter:blur(100px); pointer-events:none; }
.hero-glow-1 { width:60rem; height:60rem; background:var(--glow-1); top:-20rem; left:50%; transform:translateX(-50%); }

.hero-content-centered {
    position:relative; z-index:2; text-align:center; max-width:800px;
    display:flex; flex-direction:column; align-items:center;
}
.badge {
    display:inline-flex; align-items:center;
    background:var(--bg-card); border:1px solid var(--border);
    color:var(--text); padding:6px 16px; border-radius:30px;
    font-size:.8rem; font-weight:500; margin-bottom:2rem;
    backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
}
.hero h1 { font-size:4.5rem; font-weight:800; line-height:1.05; margin-bottom:1.5rem; letter-spacing: -0.04em; }
.gradient-text {
    background: linear-gradient(90deg, var(--primary), #32c5ff, var(--primary));
    background-size: 200% auto;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.gradient-animated { animation: gradientMove 8s linear infinite; }
.hero-subtitle { font-size:1.25rem; color:var(--text-2); max-width:600px; margin:0 auto 3rem; line-height:1.5; font-weight:400; }

.hero-actions { display:flex; justify-content:center; margin-bottom: 4rem; }

/* App Store Button Premium */
.btn-appstore {
    display:inline-flex; align-items:center; gap:12px;
    background: var(--text); color: var(--bg);
    border: none; padding:16px 28px; border-radius:18px;
    cursor:pointer; transition:all .3s cubic-bezier(0.16, 1, 0.3, 1);
    font-family:inherit;
}
[data-theme="light"] .btn-appstore { background: #1d1d1f; color: #fff; }
.btn-appstore:hover { transform:scale(1.02); box-shadow:0 20px 40px var(--shadow); }

/* Stats Premium */
.hero-stats {
    display:flex; justify-content:center; align-items:center; gap:3rem;
    padding-top:3rem; border-top:1px solid var(--border);
    width: 60%; margin: 0 auto 5rem;
}
.stat { display:flex; flex-direction:column; align-items:center; gap:4px; }
.stat strong { font-size:1.8rem; font-weight:700; color:var(--text); }
.stat span { font-size:.85rem; color:var(--text-3); font-weight:500; letter-spacing: -0.01em; }
.stat-divider { width:1px; height:40px; background:var(--border); }

/* Abstract UI Demo (replaces phone) */
.hero-abstract-ui {
    position:relative; width: 100%; height: 280px;
    display:flex; justify-content:center; align-items:center;
}
.ui-card {
    position:absolute; background:var(--bg-card); border:1px solid var(--border);
    border-radius:24px; padding:24px; 
    backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px);
    box-shadow: 0 30px 60px var(--shadow);
    display:flex; flex-direction:column; gap:16px;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.ui-card:hover { transform: translateY(-10px) scale(1.02); border-color: var(--border-hover); }
.card-left { left: 10%; top: 40px; width: 220px; transform: rotate(-5deg); z-index: 1; }
.card-right { right: 10%; top: 60px; width: 200px; transform: rotate(5deg); z-index: 1; }
.card-center { left: 50%; top: 0; width: 260px; height:320px; transform: translateX(-50%); z-index: 2; align-items:center; justify-content:center; border-color: var(--primary-glow); }
.card-center:hover { transform: translateX(-50%) translateY(-10px) scale(1.02); }

.ui-lines { display:flex; flex-direction:column; gap:12px; width:100%; }
.line { height:6px; background:var(--border); border-radius:3px; }
.w-full { width:100%; } .w-3-4 { width:75%; } .w-1-2 { width:50%; }
.ui-bar { height: 120px; width: 100%; border-radius: 8px; background: linear-gradient(180deg, var(--glow-1), transparent); }

/* Animated Scan Line in Center Card */
.scan-line {
    position: absolute; top: 0; left: 0; width: 100%; height: 2px;
    background: var(--primary); box-shadow: 0 0 10px var(--primary);
    animation: scan 3s ease-in-out infinite; opacity: 0.8;
}
@keyframes scan {
    0% { top: 10%; opacity:0; }
    10% { opacity:1; }
    90% { opacity:1; }
    100% { top: 90%; opacity:0; }
}

/* ─── Features Ultra Premium ─── */
.section { padding:140px 0; }
.section-header { text-align:center; margin-bottom:80px; }
.section-tag {
    display:inline-block; font-size:.7rem; font-weight:700;
    letter-spacing:0.1em; color:var(--text-3); margin-bottom:16px;
    text-transform: uppercase;
}
.section-header h2 { font-size:3rem; font-weight:800; margin-bottom:16px; letter-spacing: -0.03em; }
.section-header p { font-size:1.15rem; color:var(--text-2); max-width:600px; margin:0 auto; font-weight:400; }

.features-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.feature-card {
    background:var(--bg-card); border:1px solid var(--border);
    border-radius:24px; padding:36px; transition:all .4s cubic-bezier(0.16, 1, 0.3, 1);
}
.feature-card:hover {
    border-color:var(--border-hover); background:var(--bg-card-hover);
    transform:translateY(-4px); box-shadow:0 24px 48px var(--shadow);
}
.feature-icon {
    width:48px; height:48px; border-radius:12px;
    display:flex; align-items:center; justify-content:center;
    margin-bottom:24px; background: var(--bg); border: 1px solid var(--border);
}
.feature-icon svg { stroke: var(--primary); }
.feature-card h3 { font-size:1.2rem; font-weight:700; margin-bottom:12px; }
.feature-card p { font-size:.9rem; color:var(--text-2); line-height:1.6; }

/* ─── Tools Minimal Grid ─── */
.tools-section { background:var(--bg-alt); padding: 100px 0; }
.tools-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; }
.tool-item {
    display:flex; align-items:center; gap:14px;
    background:var(--bg); border:1px solid var(--border);
    border-radius:16px; padding:18px 20px;
    font-size:.9rem; font-weight:500; transition:all .3s ease; color: var(--text-2);
}
.tool-item:hover { border-color:var(--border-hover); color: var(--text); transform:scale(1.02); }
.tool-icon { stroke: var(--primary); display:block; }

/* ─── Security Apple-like ─── */
.security-section { padding: 160px 0; }
.security-layout { display:flex; align-items:center; gap:100px; }
.security-text { flex:1; }
.security-text h2 { font-size:2.8rem; font-weight:800; margin:16px 0 20px; line-height: 1.1; letter-spacing: -0.03em; }
.security-text > p { color:var(--text-2); font-size:1.1rem; line-height:1.6; margin-bottom:40px; }
.security-checks { display:flex; flex-direction:column; gap:18px; }
.check { display:flex; align-items:center; gap:14px; font-size:1.05rem; font-weight:500; color: var(--text); }
.check svg { stroke: var(--primary); width: 24px; height: 24px; flex-shrink: 0; }
.security-visual { flex:1; display:flex; justify-content:center; }
.shield-container { position:relative; width:280px; height:280px; display:flex; align-items:center; justify-content:center; }
.shield-ring {
    position:absolute; inset:0; border-radius:50%;
    border:1px solid var(--primary-glow);
    animation:shield-pulse 4s ease-in-out infinite;
}
@keyframes shield-pulse { 0%,100%{transform:scale(1);opacity:.4} 50%{transform:scale(1.15);opacity:.1} }
.shield-icon { stroke: var(--primary); filter: drop-shadow(0 0 40px var(--primary-glow)); animation: float 6s ease-in-out infinite; }

/* ─── Minimal CTA ─── */
.cta-section { padding:100px 0; }
.cta-card {
    background:var(--bg-alt); border: 1px solid var(--border);
    border-radius:32px; padding:80px 40px; text-align:center;
    position:relative; overflow:hidden;
}
.cta-card h2 { font-size:2.8rem; font-weight:800; margin-bottom:16px; color:var(--text); letter-spacing:-0.03em; }
.cta-card p { font-size:1.1rem; color:var(--text-2); margin-bottom:40px; }

/* ─── Footer Clean ─── */
.footer { padding:80px 0 30px; border-top:1px solid var(--border); background: var(--bg-alt); }
.footer-grid { display:flex; justify-content:space-between; gap:60px; margin-bottom:60px; }
.footer-logo {
    display:flex; align-items:center; gap:8px; text-decoration:none; color:var(--text);
    font-weight:700; font-size:1.05rem; margin-bottom:16px; letter-spacing: -0.02em;
}
.footer-icon { width:28px; height:28px; border-radius:6px; filter: grayscale(100%); opacity: 0.8; transition: all 0.3s; }
.footer-logo:hover .footer-icon { filter: grayscale(0%); opacity: 1; }

.footer-col h4 {
    font-size:.75rem; font-weight:600; margin-bottom:16px;
    letter-spacing:0.05em; color:var(--text); text-transform: uppercase;
}
.footer-col a, .footer-col p, address {
    display:block; color:var(--text-3); text-decoration:none;
    font-size:.85rem; margin-bottom:10px; transition:color .3s; font-style:normal;
}
.footer-col a:hover { color:var(--text); }
.footer-bottom {
    border-top:1px solid var(--border); padding-top:24px;
    display: flex; justify-content: space-between; align-items: center;
    color:var(--text-3); font-size:.8rem;
}

/* ─── Modal Premium ─── */
.modal-overlay {
    display:none; position:fixed; inset:0;
    background:rgba(0,0,0,.4); backdrop-filter:blur(24px); -webkit-backdrop-filter:blur(24px);
    z-index:100; align-items:center; justify-content:center;
}
.modal-overlay.active { display:flex; }
.modal-card {
    background:var(--bg); border:1px solid var(--border);
    border-radius:24px; padding:48px; max-width:420px; width:90%;
    text-align:center; position:relative;
    animation:modal-in .4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow:0 40px 100px rgba(0,0,0,0.5);
}
@keyframes modal-in { from{opacity:0;transform:scale(.95) translateY(20px)} to{opacity:1;transform:scale(1) translateY(0)} }
.modal-close {
    position:absolute; top:20px; right:20px; background:var(--bg-card); border-radius: 50%;
    width:32px; height:32px; display:flex; align-items:center; justify-content:center;
    border:1px solid var(--border); color:var(--text-3); cursor:pointer; transition:all .3s;
}
.modal-close:hover { color:var(--text); background: var(--bg-card-hover); }
.modal-icon { width:80px; height:80px; border-radius:18px; margin-bottom:24px; box-shadow:0 12px 30px var(--shadow); }
.modal-card h3 { font-size:1.5rem; font-weight: 700; margin-bottom:12px; letter-spacing: -0.02em; }
.modal-card p { color:var(--text-2); margin-bottom:32px; line-height:1.5; font-size:.95rem; }
.modal-card .btn-primary { width: 100%; border-radius: 12px; padding: 12px; background: var(--text); color: var(--bg); font-weight: 600; font-size: 1rem; border: none; cursor: pointer; transition: 0.3s; }
[data-theme="light"] .modal-card .btn-primary { background: #000; color: #fff; }
.modal-card .btn-primary:hover { transform: scale(1.02); }

/* ─── Legal Pages Minimal ─── */
.legal-page { padding:140px 0 80px; min-height:100vh; background: var(--bg); }
.legal-header { margin-bottom:60px; }
.back-link {
    display:inline-flex; align-items:center; gap:6px;
    color:var(--text-2); text-decoration:none; font-weight:500;
    font-size:.9rem; margin-bottom:24px; transition:color .3s;
}
.back-link:hover { color:var(--text); }
.legal-header h1 { font-size:2.8rem; font-weight:800; margin-bottom:12px; letter-spacing: -0.04em; }
.legal-date { color:var(--text-3); font-size:.9rem; }
.legal-body { max-width:760px; }
.legal-body section {
    background:transparent; padding:0 0 40px 0; margin-bottom:40px;
    border-bottom: 1px solid var(--border);
}
.legal-body section:last-child { border-bottom: none; }
.legal-body h2 { font-size:1.4rem; font-weight:700; color:var(--text); margin-bottom:16px; letter-spacing: -0.02em; }
.legal-body p { color:var(--text-2); font-size:1rem; line-height:1.75; margin-bottom: 16px; }
.legal-body p strong { color:var(--text); font-weight: 600; }
.legal-body a { color:var(--text); text-decoration:none; border-bottom: 1px solid var(--text-3); padding-bottom: 1px; transition: border-color .3s; }
.legal-body a:hover { border-color: var(--text); }

/* ─── Scroll Animations ─── */
[data-aos] { opacity:0; transform:translateY(30px); transition:opacity .8s cubic-bezier(0.16, 1, 0.3, 1), transform .8s cubic-bezier(0.16, 1, 0.3, 1); }
[data-aos].visible { opacity:1; transform:translateY(0); }

/* ─── Responsive ─── */
@media(max-width:968px) {
    .hero-abstract-ui { display: none; }
    .hero h1 { font-size:3.5rem; }
    .hero-stats { width: 100%; gap: 1.5rem; }
    .features-grid { grid-template-columns:repeat(2,1fr); }
    .tools-grid { grid-template-columns:repeat(3,1fr); }
    .security-layout { flex-direction:column; text-align:center; gap: 40px; }
    .security-checks { align-items:center; }
    .footer-grid { grid-template-columns:1fr; text-align:center; gap: 40px; }
    .footer-logo { justify-content: center; }
}
@media(max-width:640px) {
    .nav-links {
        display:none; position:absolute; top:100%; left:0; right:0;
        background:var(--bg-nav); backdrop-filter:saturate(180%) blur(20px);
        -webkit-backdrop-filter:saturate(180%) blur(20px);
        flex-direction:column; padding:24px; gap:16px;
        border-bottom:1px solid var(--border);
    }
    .nav-links.active { display:flex; }
    .nav-mobile-controls { display:flex; }
    .nav-controls { width:100%; justify-content:center; padding-top: 10px; border-top: 1px solid var(--border); }
    .hamburger { display:flex; }
    
    .hero { padding: 120px 0 60px; }
    .hero h1 { font-size:2.5rem; }
    .hero-subtitle { font-size: 1.05rem; margin-bottom: 2rem; }
    .hero-stats { flex-direction: column; gap: 20px; border: none; padding-top: 0; }
    .stat-divider { display:none; }
    
    .section-header h2 { font-size:2.2rem; }
    .section { padding:80px 0; }
    .features-grid { grid-template-columns:1fr; }
    .tools-grid { grid-template-columns:repeat(2,1fr); }
    .cta-card { padding: 40px 24px; }
    .cta-card h2 { font-size: 2.2rem; }
    .shield-container { width: 220px; height: 220px; }
    
    .legal-body section { padding:24px; }
    .legal-header h1 { font-size:2.2rem; }
    .footer-bottom { flex-direction: column; gap: 10px; }
}