@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ============ TOKENS ============ */
:root {
    --bg: #F7F8FB;
    --bg-card: #FFFFFF;
    --bg-elevated: #F0F2F7;
    --bg-hover: #E8EBF2;
    --border: rgba(0,0,0,0.07);
    --border-bright: rgba(0,140,200,0.2);
    --text: #1A1D28;
    --text-dim: #525B6E;
    --text-faint: #8891A5;
    --cyan: #0093CC;
    --cyan-dark: #007AAD;
    --cyan-dim: rgba(0,147,204,0.08);
    --cyan-glow: rgba(0,147,204,0.15);
    --blue: #3B82F6;
    --violet: #8B5CF6;
    --white: #FFFFFF;
    --dark: #1A1D28;
    --r: 10px;
    --r-lg: 16px;
    --r-xl: 24px;
    --shadow: 0 2px 16px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
    --shadow-cyan: 0 4px 24px rgba(0,147,204,0.1);
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============ DARK THEME ============ */
[data-theme="dark"] {
    --bg: #0F1117;
    --bg-card: #181B25;
    --bg-elevated: #1E2130;
    --bg-hover: #252838;
    --border: rgba(255,255,255,0.08);
    --border-bright: rgba(0,180,230,0.3);
    --text: #E8EAF0;
    --text-dim: #A0AABE;
    --text-faint: #6B7898;
    --cyan: #00B4E6;
    --cyan-dark: #0093CC;
    --cyan-dim: rgba(0,180,230,0.1);
    --cyan-glow: rgba(0,180,230,0.2);
    --white: #FFFFFF;
    --dark: #0A0C12;
    --shadow: 0 2px 16px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
    --shadow-cyan: 0 4px 24px rgba(0,180,230,0.15);
}

/* ============ RESET ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Space Grotesk', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    font-size: 16px;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.mono {
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.05em;
}

/* ============ ANIMATIONS ============ */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-group .reveal:nth-child(1) { transition-delay: 0s; }
.reveal-group .reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal-group .reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal-group .reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal-group .reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal-group .reveal:nth-child(6) { transition-delay: 0.5s; }

/* ============ NAVBAR ============ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border);
    transition: all 0.4s;
}
.navbar.scrolled {
    background: rgba(255,255,255,0.95);
    box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.logo-link { display: flex; align-items: center; z-index: 1001; }
.logo-link img { height: 34px; }

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2rem;
}
.nav-links a {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dim);
    transition: color 0.25s;
    padding: 6px 0;
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--cyan);
    transition: width 0.3s var(--ease);
}
.nav-links a:hover, .nav-links a.is-active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.is-active::after { width: 100%; }

.nav-cta-btn {
    background: var(--cyan) !important;
    color: #fff !important;
    padding: 8px 20px !important;
    border-radius: 100px;
    font-weight: 600 !important;
    font-size: 0.8rem !important;
    transition: all 0.3s !important;
}
.nav-cta-btn::after { display: none !important; }
.nav-cta-btn:hover { background: var(--cyan-dark) !important; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,147,204,0.25) !important; }

/* Hamburger */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 44px;
    height: 44px;
    position: relative;
    z-index: 1001;
    -webkit-tap-highlight-color: transparent;
}
.hamburger span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--text);
    position: absolute;
    left: 11px;
    transition: all 0.35s var(--ease);
    border-radius: 1px;
}
.hamburger span:nth-child(1) { top: 17px; }
.hamburger span:nth-child(2) { top: 22px; }
.hamburger span:nth-child(3) { top: 27px; }
.hamburger.open span:nth-child(1) { top: 22px; transform: rotate(45deg); background: var(--cyan); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { top: 22px; transform: rotate(-45deg); background: var(--cyan); }

.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: #fff;
    z-index: 999;
    padding: 100px 24px 40px;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.mobile-nav.open { opacity: 1; transform: translateY(0); }
.mobile-nav a {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    transition: color 0.2s;
}
.mobile-nav a:active { color: var(--cyan); }

/* ============ HERO ============ */
.hero-section {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    padding-top: 64px;
    overflow: hidden;
    background: linear-gradient(160deg, #F0F6FF 0%, var(--bg) 50%, #F0FAF8 100%);
}
.hero-grid-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(0,147,204,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,147,204,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 70%);
}
.hero-glow {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(0,147,204,0.06) 0%, transparent 60%);
    pointer-events: none;
}
.hero-glow-2 {
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(139,92,246,0.04) 0%, transparent 60%);
    pointer-events: none;
}
.hero-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}
.hero-text { padding: 3rem 0; }
.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 1.5rem;
    padding: 6px 14px;
    background: var(--cyan-dim);
    border: 1px solid rgba(0,147,204,0.15);
    border-radius: 100px;
}
.hero-tag .dot {
    width: 6px;
    height: 6px;
    background: var(--cyan);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
.hero-text h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    color: var(--text);
}
.hero-text p {
    font-size: clamp(0.95rem, 1.8vw, 1.1rem);
    color: var(--text-dim);
    max-width: 440px;
    line-height: 1.7;
    margin-bottom: 2rem;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-img-wrap {
    position: relative;
}
.hero-img-wrap img {
    width: 100%;
    border-radius: var(--r-xl);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}
.hero-img-frame {
    position: absolute;
    inset: -1px;
    border-radius: var(--r-xl);
    border: 1px solid transparent;
    background: linear-gradient(135deg, rgba(0,147,204,0.15), transparent 50%) border-box;
    pointer-events: none;
}

/* ============ PAGE HERO ============ */
.page-hero {
    padding: 8rem 0 4rem;
    margin-top: 64px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(160deg, #E8F4FD 0%, var(--bg) 60%);
}
.page-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.08;
}
.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 60%, var(--bg));
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 0.75rem;
    color: var(--text);
}
.page-hero p {
    font-size: clamp(0.95rem, 1.8vw, 1.1rem);
    color: var(--text-dim);
    max-width: 520px;
    line-height: 1.7;
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 28px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border: none;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.3s var(--ease);
    min-height: 48px;
    -webkit-tap-highlight-color: transparent;
}
.btn-primary {
    background: var(--cyan);
    color: #fff;
}
.btn-primary:hover {
    background: var(--cyan-dark);
    box-shadow: 0 4px 20px rgba(0,147,204,0.3);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border);
}
.btn-outline:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    background: var(--cyan-dim);
}
.btn-ghost {
    background: var(--bg-elevated);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-ghost:hover {
    border-color: var(--cyan);
    color: var(--cyan);
}

/* ============ SECTIONS ============ */
.section { padding: 5rem 0; }
.section--lines {
    position: relative;
    background: var(--bg-card);
}
.section--lines::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(0,147,204,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,147,204,0.03) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: linear-gradient(to bottom, transparent, black 30%, black 70%, transparent);
    -webkit-mask-image: linear-gradient(to bottom, transparent, black 30%, black 70%, transparent);
    pointer-events: none;
}

.section-top {
    text-align: center;
    max-width: 560px;
    margin: 0 auto 3.5rem;
}
.section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 0.75rem;
    display: block;
}
.section-heading {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 0.75rem;
}
.section-desc {
    font-size: 0.95rem;
    color: var(--text-dim);
    line-height: 1.7;
}

/* ============ STATS ============ */
.stats-bar {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
}
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    text-align: center;
}
.stat-item {
    padding: 2rem 1rem;
    position: relative;
}
.stat-item + .stat-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background: var(--border);
}
.stat-val {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 600;
    color: var(--cyan);
    display: block;
    margin-bottom: 4px;
}
.stat-item span:last-child {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-faint);
}

/* ============ FEATURE CARDS ============ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.fcard {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 2rem;
    transition: all 0.35s var(--ease);
    position: relative;
    overflow: hidden;
}
.fcard::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    opacity: 0;
    transition: opacity 0.35s;
}
.fcard:hover {
    border-color: var(--border-bright);
    transform: translateY(-4px);
    box-shadow: var(--shadow-cyan);
}
.fcard:hover::before { opacity: 1; }
.fcard-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--cyan-dim);
    border: 1px solid rgba(0,147,204,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--cyan);
    font-size: 1.2rem;
}
.fcard h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.fcard p { font-size: 0.875rem; color: var(--text-dim); line-height: 1.65; }

/* ============ SPLIT LAYOUT ============ */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.split-text .section-label { text-align: left; }
.split-text h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.4rem);
    margin-bottom: 1rem;
}
.split-text p {
    font-size: 0.95rem;
    color: var(--text-dim);
    line-height: 1.75;
    margin-bottom: 1rem;
}
.split-img {
    border-radius: var(--r-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.split-img img { width: 100%; }

.tech-list {
    list-style: none;
    margin: 1.5rem 0;
}
.tech-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 0.9rem;
    color: var(--text);
    font-weight: 500;
}
.tech-list li::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--cyan);
    border-radius: 2px;
    flex-shrink: 0;
}

/* ============ PRODUCT CARDS (Lenses) ============ */
.lens-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.lens-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 2rem;
    transition: all 0.3s var(--ease);
    position: relative;
}
.lens-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}
.lens-card:hover {
    border-color: var(--border-bright);
    transform: translateY(-3px);
    box-shadow: var(--shadow-cyan);
}
.lens-card:hover::after { opacity: 0.5; }
.lens-card h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--cyan-dark);
    margin-bottom: 0.5rem;
    letter-spacing: 0.03em;
}
.lens-card p {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.6;
}

/* ============ CTA BANNER ============ */
.cta-banner {
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(160deg, #E8F4FD 0%, #F0F0FF 50%, #E8F8F4 100%);
}
.cta-banner .container { position: relative; z-index: 1; }
.cta-banner h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 0.75rem;
}
.cta-banner p {
    font-size: 1rem;
    color: var(--text-dim);
    max-width: 440px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

/* ============ FORMS ============ */
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow);
    max-width: 800px;
    margin: 0 auto;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
    letter-spacing: 0.02em;
}
.form-control {
    width: 100%;
    padding: 13px 14px;
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: var(--r);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    color: var(--text);
    transition: all 0.25s;
    min-height: 48px;
}
.form-control::placeholder { color: var(--text-faint); }
.form-control:focus {
    border-color: var(--cyan);
    outline: none;
    background: #fff;
    box-shadow: 0 0 0 3px var(--cyan-dim);
}

/* ============ ALERTS ============ */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--r);
    margin-bottom: 1.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}
.alert-success { background: rgba(16,185,129,0.08); color: #059669; border: 1px solid rgba(16,185,129,0.2); }
.alert-error { background: rgba(239,68,68,0.08); color: #DC2626; border: 1px solid rgba(239,68,68,0.2); }

.hp-field { display: none !important; }

/* ============ FOOTER ============ */
.site-footer {
    padding: 4rem 0 1.5rem;
    border-top: 1px solid var(--border);
    background: var(--dark);
    color: #C8CDD8;
}
.site-footer h4, .site-footer a { color: #A0A8B8; }
.site-footer a:hover { color: #fff; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 3rem;
    margin-bottom: 3rem;
}
.footer-brand p {
    font-size: 0.85rem;
    color: #7A8399;
    margin-top: 1rem;
    max-width: 260px;
    line-height: 1.6;
}
.footer-logo { height: 30px; filter: brightness(10); }
.footer-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.footer-col h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #6B7898;
    margin-bottom: 1rem;
}
.footer-col a {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    transition: color 0.25s;
}
.footer-bar {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 0.75rem;
    color: #5A6178;
    text-align: center;
}

/* ============ DASHBOARD ============ */
.dashboard-wrap {
    padding-top: 100px;
    padding-bottom: 60px;
    min-height: 100vh;
}
.dash-grid {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}
.dash-sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 1.5rem;
    height: fit-content;
    box-shadow: var(--shadow);
}
.dash-sidebar ul { list-style: none; }
.dash-sidebar a {
    display: block;
    padding: 10px 14px;
    border-radius: var(--r);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-dim);
    margin-bottom: 4px;
    transition: all 0.2s;
}
.dash-sidebar a:hover, .dash-sidebar a.active {
    background: var(--cyan-dim);
    color: var(--cyan);
}
.dash-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
}
.dash-panel h2 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.orders-table {
    width: 100%;
    border-collapse: collapse;
}
.orders-table th, .orders-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}
.orders-table th {
    color: var(--text-faint);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.status-badge {
    padding: 4px 10px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.05em;
}
.status-received { background: rgba(59,130,246,0.1); color: #2563EB; }
.status-processing { background: rgba(245,158,11,0.1); color: #D97706; }
.status-completed { background: rgba(16,185,129,0.1); color: #059669; }

/* ============ LOGIN / APPLY PAGES ============ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    background: linear-gradient(160deg, #E8F4FD 0%, var(--bg) 50%, #F0F0FF 100%);
}
.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: 3rem;
    width: 100%;
    max-width: 460px;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}
.auth-card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}
.auth-card .sub { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 2rem; }

.apply-page { padding: 4rem 2rem; min-height: 100vh; position: relative; }

/* ============ CATEGORY CARDS ============ */
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.category-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: all 0.35s var(--ease);
    display: block;
}
.category-card:hover {
    border-color: var(--border-bright);
    transform: translateY(-4px);
    box-shadow: var(--shadow-cyan);
}
.category-card-img {
    height: 180px;
    overflow: hidden;
}
.category-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease);
}
.category-card:hover .category-card-img img {
    transform: scale(1.05);
}
.category-card-body {
    padding: 1.5rem;
}
.category-card-body h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}
.category-card-body p {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.6;
    margin-bottom: 1rem;
}
.category-link {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--cyan);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.25s var(--ease);
}
.category-card:hover .category-link {
    gap: 10px;
}

.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ============ LENS BADGES & SPECS ============ */
.lens-badge {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cyan);
    background: var(--cyan-dim);
    border: 1px solid rgba(0,147,204,0.15);
    padding: 3px 10px;
    border-radius: 100px;
    margin-bottom: 0.75rem;
}
.lens-badge--premium {
    color: #B45309;
    background: rgba(180,83,9,0.08);
    border-color: rgba(180,83,9,0.2);
}
.lens-specs {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}
.lens-specs span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-faint);
    letter-spacing: 0.03em;
}
.premium-card-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}
@media (max-width: 768px) {
    .premium-card-inner { grid-template-columns: 1fr !important; }
}

.coating-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--cyan-dim);
    border: 1px solid rgba(0,147,204,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
}

/* ============ NAV DROPDOWN ============ */
.nav-links li { position: relative; }
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 8px 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s var(--ease);
    z-index: 1100;
    box-shadow: var(--shadow-lg);
}
.nav-links li:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.nav-dropdown a {
    display: block;
    padding: 9px 20px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-dim);
    transition: all 0.2s;
    white-space: nowrap;
}
.nav-dropdown a::after { display: none !important; }
.nav-dropdown a:hover {
    color: var(--cyan);
    background: var(--cyan-dim);
}

/* Mobile sub-menu */
.mobile-sub-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    cursor: pointer;
}
.mobile-sub-toggle .arrow {
    font-size: 0.7rem;
    transition: transform 0.3s var(--ease);
    color: var(--text-faint);
}
.mobile-sub-toggle.open .arrow { transform: rotate(180deg); color: var(--cyan); }
.mobile-sub {
    display: none;
    padding-left: 1rem;
}
.mobile-sub.open { display: block; }
.mobile-sub a {
    font-size: 1.1rem !important;
    font-weight: 500 !important;
    color: var(--text-dim) !important;
    padding: 10px 0 !important;
    border-bottom: 1px solid var(--border) !important;
}
.mobile-sub a:last-child { border-bottom: none !important; }

/* ============ THEME TOGGLE ============ */
.theme-toggle {
    background: none;
    border: 1.5px solid var(--border);
    border-radius: 100px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-dim);
    transition: all 0.3s var(--ease);
    -webkit-tap-highlight-color: transparent;
    flex-shrink: 0;
}
.theme-toggle:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    background: var(--cyan-dim);
}
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

/* Dark-mode overrides for hardcoded colors */
[data-theme="dark"] .navbar {
    background: rgba(15,17,23,0.75);
}
[data-theme="dark"] .navbar.scrolled {
    background: rgba(15,17,23,0.95);
    box-shadow: 0 1px 12px rgba(0,0,0,0.3);
}
[data-theme="dark"] .nav-dropdown {
    background: var(--bg-card);
}
[data-theme="dark"] .mobile-nav {
    background: var(--bg);
}
[data-theme="dark"] .hero-section {
    background: linear-gradient(160deg, #111520 0%, var(--bg) 50%, #0F1518 100%);
}
[data-theme="dark"] .page-hero {
    background: linear-gradient(160deg, #111825 0%, var(--bg) 60%);
}
[data-theme="dark"] .cta-banner {
    background: linear-gradient(160deg, #111825 0%, #14121F 50%, #0F1518 100%);
}
[data-theme="dark"] .auth-page {
    background: linear-gradient(160deg, #111825 0%, var(--bg) 50%, #14121F 100%);
}
[data-theme="dark"] .form-control:focus {
    background: var(--bg-card);
}
[data-theme="dark"] .site-footer {
    background: #0A0C12;
}
[data-theme="dark"] .footer-logo {
    filter: brightness(10);
}
[data-theme="dark"] .alert-success { color: #34D399; }
[data-theme="dark"] .alert-error { color: #F87171; }
[data-theme="dark"] .status-received { color: #60A5FA; }
[data-theme="dark"] .status-processing { color: #FBBF24; }
[data-theme="dark"] .status-completed { color: #34D399; }
[data-theme="dark"] .lens-badge--premium {
    color: #F59E0B;
    background: rgba(245,158,11,0.1);
    border-color: rgba(245,158,11,0.25);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 992px) {
    .hero-split, .split-layout { grid-template-columns: 1fr; gap: 2.5rem; }
    .features-grid, .values-row { grid-template-columns: 1fr; gap: 12px; }
    .lens-grid { grid-template-columns: 1fr !important; gap: 12px; }
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .stat-item + .stat-item::before { display: none; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .dash-grid { grid-template-columns: 1fr; }
    .lens-card[style*="grid-template-columns"] { grid-template-columns: 1fr !important; }
    .lens-specs { flex-wrap: wrap; }
}

@media (max-width: 768px) {
    .container { padding: 0 16px; }
    .nav-links { display: none; }
    .hamburger { display: block; }
    .mobile-nav { display: block; pointer-events: none; }
    .mobile-nav.open { pointer-events: auto; }

    .hero-section { min-height: auto; padding-top: 80px; padding-bottom: 3rem; }
    .hero-text { padding: 1rem 0; }
    .hero-text h1 { font-size: 2rem; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
    .hero-img-wrap { margin-top: 1rem; }

    .section { padding: 3.5rem 0; }
    .section-heading { font-size: 1.5rem; }
    .page-hero { padding: 5rem 0 2.5rem; }
    .page-hero h1 { font-size: 1.7rem; }

    .form-card { padding: 1.5rem; }
    .auth-card { padding: 2rem; }
    .footer-cols { grid-template-columns: 1fr 1fr; }
    .dash-panel { padding: 1.25rem; }

    .category-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .category-card-img { height: 140px; }
}

@media (max-width: 480px) {
    .category-grid { grid-template-columns: 1fr !important; }
    .stats-row { grid-template-columns: repeat(2,1fr) !important; }
    .footer-cols { grid-template-columns: 1fr; }
}

/* ── Blog Post Styles ── */
.post-article { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 48px 40px; position: relative; overflow: hidden; }
.post-article::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--cyan, #3b82f6), #a78bfa, var(--cyan, #3b82f6)); }
.post-header { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.post-meta { color: var(--text-dim); font-size: 0.88rem; font-weight: 500; display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.meta-sep { opacity: 0.4; }
.meta-read { color: var(--cyan, #3b82f6); font-weight: 600; }
.post-toc { background: rgba(59,130,246,.05); border: 1px solid rgba(59,130,246,.15); border-radius: 12px; padding: 24px 28px; margin-bottom: 32px; }
.toc-title { font-size: 0.82rem; font-weight: 700; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 14px; }
.post-toc ol { margin: 0; padding-left: 20px; counter-reset: toc; list-style: none; }
.post-toc li { margin-bottom: 8px; counter-increment: toc; }
.post-toc li::before { content: counter(toc) "."; color: var(--cyan, #3b82f6); font-weight: 600; margin-right: 8px; font-size: 0.88rem; }
.post-toc a { color: var(--text); font-size: 0.92rem; font-weight: 500; text-decoration: none; transition: color 0.2s; }
.post-toc a:hover { color: var(--cyan, #3b82f6); }
.post-content { margin-top: 8px; }
.post-content h2 { font-size: 1.5rem; color: var(--text); margin: 40px 0 16px; font-weight: 700; padding-top: 8px; scroll-margin-top: 100px; }
.post-content h3 { font-size: 1.2rem; color: var(--text); margin: 32px 0 12px; font-weight: 700; scroll-margin-top: 100px; }
.post-content p { margin-bottom: 20px; color: var(--text); line-height: 1.85; font-size: 1.02rem; }
.post-content ul, .post-content ol { margin: 0 0 20px 24px; color: var(--text); }
.post-content li { margin-bottom: 10px; line-height: 1.75; font-size: 1.02rem; }
.post-content a { color: var(--cyan, #3b82f6); text-decoration: underline; text-decoration-color: rgba(59,130,246,0.3); text-underline-offset: 3px; }
.post-content a:hover { text-decoration-color: var(--cyan, #3b82f6); }
.post-content strong { color: var(--text); font-weight: 700; }
.post-content blockquote { border-left: 3px solid var(--cyan, #3b82f6); margin: 24px 0; padding: 16px 24px; background: rgba(59,130,246,0.05); border-radius: 0 12px 12px 0; }
.post-content blockquote p { color: var(--text); margin-bottom: 0; }
.post-footer { margin-top: 48px; padding-top: 40px; border-top: 1px solid var(--border); }
.post-cta { text-align: center; padding: 40px 32px; background: linear-gradient(135deg, rgba(59,130,246,0.06), rgba(167,139,250,0.06)); border: 1px solid rgba(59,130,246,0.15); border-radius: 16px; }
.post-cta h3 { color: var(--text); font-size: 1.4rem; font-weight: 700; margin-bottom: 10px; }
.post-cta p { color: var(--text-dim); font-size: 1rem; margin-bottom: 20px; }
@media (max-width: 640px) {
    .post-article { padding: 28px 18px; }
    .post-content h2 { font-size: 1.3rem; }
    .post-content h3 { font-size: 1.1rem; }
    .post-cta { padding: 28px 20px; }
}