/* ============================================================
   EDU SMART TECH LTD — COMPANY SITE STYLESHEET
   Design: Dark Glassmorphism | Dual-accent (cyan + purple)
   ============================================================ */

/* ============================================================
   CSS CUSTOM PROPERTIES — DESIGN TOKENS
   ============================================================ */
:root {
    /* Core palette */
    --bg-base:          #060810;
    --bg-surface:       #0d1117;
    --bg-card:          rgba(255, 255, 255, 0.035);
    --bg-card-hover:    rgba(255, 255, 255, 0.06);
    --bg-input:         rgba(255, 255, 255, 0.05);

    /* Accent colours */
    --cyan:             #06b6d4;
    --cyan-dim:         rgba(6, 182, 212, 0.12);
    --cyan-glow:        rgba(6, 182, 212, 0.25);
    --purple:           #8b5cf6;
    --purple-dim:       rgba(139, 92, 246, 0.12);
    --purple-glow:      rgba(139, 92, 246, 0.25);
    --emerald:          #10b981;
    --emerald-dim:      rgba(16, 185, 129, 0.12);
    --gold:             #f59e0b;
    --red-accent:       #ef4444;
    --orange-accent:    #f97316;

    /* Text */
    --text-primary:     #f1f5f9;
    --text-secondary:   #94a3b8;
    --text-muted:       #64748b;
    --text-white:       #ffffff;

    /* Borders */
    --border-glass:     rgba(255, 255, 255, 0.07);
    --border-glow:      rgba(6, 182, 212, 0.2);

    /* Gradients */
    --gradient-brand:   linear-gradient(135deg, var(--cyan), var(--purple));
    --gradient-text:    linear-gradient(135deg, #06b6d4, #8b5cf6);
    --gradient-hero:    linear-gradient(180deg, rgba(6,182,212,0.08) 0%, transparent 60%);

    /* Layout */
    --container-max:    1200px;
    --section-pad:      100px;
    --radius-sm:        8px;
    --radius-md:        14px;
    --radius-lg:        20px;
    --radius-xl:        28px;

    /* Typography */
    --font-sans:        'Inter', system-ui, sans-serif;
    --font-display:     'Outfit', 'Inter', system-ui, sans-serif;

    /* Transitions */
    --transition:       all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast:  all 0.18s ease;
}

/* Light mode overrides */
[data-theme="light"] {
    --bg-base:          #f8fafc;
    --bg-surface:       #ffffff;
    --bg-card:          rgba(0, 0, 0, 0.03);
    --bg-card-hover:    rgba(0, 0, 0, 0.06);
    --bg-input:         rgba(0, 0, 0, 0.04);
    --text-primary:     #0f172a;
    --text-secondary:   #475569;
    --text-muted:       #94a3b8;
    --border-glass:     rgba(0, 0, 0, 0.08);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ============================================================
   AMBIENT BACKGROUND
   ============================================================ */
.ambient-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.18;
    animation: blobDrift 18s ease-in-out infinite;
}

.blob-cyan {
    width: 700px;
    height: 700px;
    background: var(--cyan);
    top: -200px;
    left: -150px;
    animation-delay: 0s;
}

.blob-purple {
    width: 600px;
    height: 600px;
    background: var(--purple);
    bottom: 10%;
    right: -100px;
    animation-delay: -6s;
}

.blob-emerald {
    width: 500px;
    height: 500px;
    background: var(--emerald);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -12s;
    opacity: 0.10;
}

@keyframes blobDrift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%       { transform: translate(40px, -30px) scale(1.05); }
    66%       { transform: translate(-20px, 20px) scale(0.97); }
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
}

[data-theme="light"] .blob { opacity: 0.06; }
[data-theme="light"] .grid-overlay { background-image: linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px); }

/* All content sits above ambient bg */
main, header, footer { position: relative; z-index: 1; }

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-center { text-align: center; }
.text-emerald { color: var(--emerald); }
.text-cyan { color: var(--cyan); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    white-space: nowrap;
    border: 1.5px solid transparent;
}

.btn-primary {
    background: var(--gradient-brand);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 20px var(--purple-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--purple-glow);
    filter: brightness(1.1);
}

.btn-primary-cyan {
    background: linear-gradient(135deg, var(--cyan), #0891b2);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 20px var(--cyan-glow);
}
.btn-primary-cyan:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--cyan-glow);
    filter: brightness(1.1);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-glass);
    backdrop-filter: blur(6px);
}
.btn-ghost:hover {
    background: var(--bg-card-hover);
    border-color: var(--cyan);
    color: var(--cyan);
    transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* Nav CTA */
.btn-nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--transition);
}
.btn-nav-cta:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

/* ============================================================
   SECTION BADGE
   ============================================================ */
.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    background: var(--cyan-dim);
    border: 1px solid rgba(6, 182, 212, 0.25);
    color: var(--cyan);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

/* ============================================================
   SECTION BASE
   ============================================================ */
.section {
    padding: var(--section-pad) 0;
    position: relative;
}

.section-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-white);
    margin-bottom: 16px;
}

[data-theme="light"] .section-title { color: var(--text-primary); }

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto;
}

.section-body {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(6, 8, 16, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    transition: var(--transition);
}

[data-theme="light"] .navbar {
    background: rgba(248, 250, 252, 0.8);
}

.navbar.scrolled {
    background: rgba(6, 8, 16, 0.92);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3), 0 0 0 1px rgba(6,182,212,0.1);
}

[data-theme="light"] .navbar.scrolled {
    background: rgba(248, 250, 252, 0.95);
    box-shadow: 0 4px 30px rgba(0,0,0,0.08);
}

.nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand { display: flex; align-items: center; }
.brand-logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(6,182,212,0.3));
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.nav-link {
    padding: 8px 12px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}
.nav-link:hover, .nav-link.active {
    color: var(--cyan);
    background: var(--cyan-dim);
}

/* Theme toggle */
.theme-toggle {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition);
}
.theme-toggle:hover { color: var(--cyan); border-color: var(--cyan); }
#icon-moon { display: none; }
[data-theme="dark"] #icon-sun { display: none; }
[data-theme="dark"] #icon-moon { display: inline; }

/* Burger */
.burger-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
}
.bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(6,182,212,0.08) 0%, transparent 70%);
}

.hero-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 80px 24px 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 56px;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    background: linear-gradient(135deg, rgba(6,182,212,0.15), rgba(139,92,246,0.15));
    border: 1px solid rgba(139,92,246,0.3);
    color: var(--purple);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    margin-bottom: 20px;
    animation: badgePulse 3s ease infinite;
}

@keyframes badgePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(139,92,246,0.2); }
    50%       { box-shadow: 0 0 0 8px rgba(139,92,246,0); }
}

.hero-headline {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    color: var(--text-white);
    letter-spacing: -0.5px;
    max-width: 820px;
}

[data-theme="light"] .hero-headline { color: var(--text-primary); }

#typing-word {
    display: inline-block;
    min-width: 280px;
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.hero-ctas {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
}

/* Stats strip */
.hero-stats-strip {
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(12px);
    padding: 28px 48px;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    max-width: 860px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 0 36px;
}

.stat-num {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 900;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-suffix {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--cyan);
    margin-left: 2px;
    background: none;
    -webkit-text-fill-color: var(--cyan);
}

.stat-lbl {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: var(--border-glass);
    flex-shrink: 0;
}

/* Product preview cards */
.hero-product-preview {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.preview-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    min-width: 240px;
}
.preview-card:hover { transform: translateY(-3px); }

.preview-nexusos { border-color: rgba(139,92,246,0.25); }
.preview-nexusos:hover { border-color: var(--purple); box-shadow: 0 8px 30px var(--purple-glow); }

.preview-app4stores { border-color: rgba(6,182,212,0.25); }
.preview-app4stores:hover { border-color: var(--cyan); box-shadow: 0 8px 30px var(--cyan-glow); }

.preview-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.preview-nexusos .preview-card-icon { background: var(--purple-dim); color: var(--purple); }
.preview-app4stores .preview-card-icon { background: var(--cyan-dim); color: var(--cyan); }

.preview-card-info { flex: 1; }
.preview-card-info strong { display: block; font-size: 0.95rem; color: var(--text-white); font-weight: 700; }
.preview-card-info span { font-size: 0.75rem; color: var(--text-muted); }

[data-theme="light"] .preview-card-info strong { color: var(--text-primary); }

.active-badge {
    padding: 3px 10px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--emerald);
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 700;
    position: relative;
    padding-left: 18px;
}
.active-badge::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    background: var(--emerald);
    border-radius: 50%;
    animation: livePulse 1.5s ease infinite;
}

@keyframes livePulse {
    0%, 100% { opacity: 1; transform: translateY(-50%) scale(1); }
    50%       { opacity: 0.5; transform: translateY(-50%) scale(1.3); }
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-section {
    border-top: 1px solid var(--border-glass);
    background: radial-gradient(ellipse 60% 50% at 80% 50%, rgba(139,92,246,0.05) 0%, transparent 70%);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-pillars {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 36px;
}

.pillar-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.pillar-item:hover { border-color: var(--purple); background: var(--bg-card-hover); }

.pillar-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--purple-dim);
    border: 1px solid rgba(139,92,246,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--purple);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.pillar-item h4 { font-size: 0.95rem; font-weight: 700; color: var(--text-white); margin-bottom: 4px; }
[data-theme="light"] .pillar-item h4 { color: var(--text-primary); }
.pillar-item p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }

/* About glass card */
.about-glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(16px);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3), inset 0 0 0 1px rgba(255,255,255,0.05);
    transition: var(--transition);
}
.about-glass-card:hover { box-shadow: 0 30px 80px rgba(0,0,0,0.4), 0 0 0 1px rgba(6,182,212,0.15); }

.about-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-glass);
    background: rgba(255,255,255,0.02);
}

.about-dots { display: flex; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-red    { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green  { background: #10b981; }

.about-card-title { font-size: 0.8rem; color: var(--text-muted); font-weight: 600; margin-left: 4px; }

.about-card-list {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.about-card-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-glass);
    gap: 12px;
}
.about-card-list li:last-child { border-bottom: none; }

.acl-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; flex-shrink: 0; }
.acl-value { font-size: 0.85rem; color: var(--text-white); font-weight: 600; text-align: right; }
[data-theme="light"] .acl-value { color: var(--text-primary); }

.about-card-footer {
    padding: 14px 20px;
    background: rgba(16, 185, 129, 0.05);
    border-top: 1px solid rgba(16, 185, 129, 0.15);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--emerald);
    font-weight: 600;
}

/* ============================================================
   PRODUCTS SECTION
   ============================================================ */
.products-section {
    border-top: 1px solid var(--border-glass);
    background: radial-gradient(ellipse 70% 50% at 20% 50%, rgba(6,182,212,0.04) 0%, transparent 70%);
}

.products-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.product-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 36px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    overflow: hidden;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}
.product-card:hover { transform: translateY(-4px); }

.product-nexusos:hover { border-color: rgba(139,92,246,0.4); box-shadow: 0 20px 60px rgba(139,92,246,0.12); }
.product-app4stores:hover { border-color: rgba(6,182,212,0.4); box-shadow: 0 20px 60px rgba(6,182,212,0.12); }

.product-card-glow {
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    opacity: 0.15;
    transition: opacity 0.4s;
}
.product-card:hover .product-card-glow { opacity: 0.25; }
.product-glow-purple { background: var(--purple); }
.product-glow-cyan   { background: var(--cyan); }

.product-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

.product-icon-wrap {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    flex-shrink: 0;
}
.product-icon-purple { background: var(--purple-dim); border: 1px solid rgba(139,92,246,0.25); color: var(--purple); }
.product-icon-cyan   { background: var(--cyan-dim); border: 1px solid rgba(6,182,212,0.25); color: var(--cyan); }

.product-name { font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; color: var(--text-white); }
[data-theme="light"] .product-name { color: var(--text-primary); }
.product-category { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

.product-live-badge {
    margin-left: auto;
    padding: 4px 12px;
    background: rgba(16,185,129,0.12);
    border: 1px solid rgba(16,185,129,0.3);
    color: var(--emerald);
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
}

.product-desc { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; }

.product-features-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pf-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}
.pf-item i { color: var(--emerald); font-size: 1.1rem; flex-shrink: 0; }

.product-pricing-tease {
    padding: 16px 20px;
    background: rgba(255,255,255,0.025);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    display: flex;
    align-items: baseline;
    gap: 6px;
}
.pricing-from { font-size: 0.8rem; color: var(--text-muted); }
.pricing-value {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 900;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.pricing-unit { font-size: 0.8rem; color: var(--text-muted); }

.product-card-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: auto;
}

/* ============================================================
   INDUSTRIES SECTION
   ============================================================ */
.industries-section {
    border-top: 1px solid var(--border-glass);
    background: radial-gradient(ellipse 60% 50% at 80% 80%, rgba(16,185,129,0.04) 0%, transparent 70%);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.industry-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.industry-card:hover { transform: translateY(-3px); background: var(--bg-card-hover); }

.industry-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 4px;
}
.ind-icon-purple  { background: var(--purple-dim);          border: 1px solid rgba(139,92,246,0.2);   color: var(--purple);   }
.ind-icon-cyan    { background: var(--cyan-dim);             border: 1px solid rgba(6,182,212,0.2);    color: var(--cyan);     }
.ind-icon-emerald { background: var(--emerald-dim);          border: 1px solid rgba(16,185,129,0.2);   color: var(--emerald);  }
.ind-icon-gold    { background: rgba(245,158,11,0.1);        border: 1px solid rgba(245,158,11,0.2);   color: var(--gold);     }
.ind-icon-red     { background: rgba(239,68,68,0.1);         border: 1px solid rgba(239,68,68,0.2);    color: var(--red-accent);}
.ind-icon-orange  { background: rgba(249,115,22,0.1);        border: 1px solid rgba(249,115,22,0.2);   color: var(--orange-accent); }

.industry-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--text-white); }
[data-theme="light"] .industry-card h3 { color: var(--text-primary); }
.industry-card p  { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }

.industry-product-tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--cyan-dim);
    border: 1px solid rgba(6,182,212,0.2);
    color: var(--cyan);
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-top: 4px;
    width: fit-content;
}

/* ============================================================
   CLIENTS SECTION
   ============================================================ */
.clients-section {
    border-top: 1px solid var(--border-glass);
    background: rgba(255,255,255,0.01);
}

.clients-marquee-outer {
    overflow: hidden;
    position: relative;
    margin-bottom: 72px;
}
.clients-marquee-outer::before,
.clients-marquee-outer::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
}
.clients-marquee-outer::before { left: 0; background: linear-gradient(to right, var(--bg-base), transparent); }
.clients-marquee-outer::after  { right: 0; background: linear-gradient(to left, var(--bg-base), transparent); }

.clients-marquee-track {
    display: flex;
    align-items: center;
    gap: 0;
    width: max-content;
    animation: marqueeScroll 22s linear infinite;
}

@keyframes marqueeScroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

.clients-marquee-outer:hover .clients-marquee-track { animation-play-state: paused; }

.client-badge {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 28px;
    white-space: nowrap;
}
.client-badge i { font-size: 1.6rem; color: var(--cyan); }
.client-info strong { display: block; font-size: 0.95rem; color: var(--text-white); font-weight: 700; }
[data-theme="light"] .client-info strong { color: var(--text-primary); }
.client-info span  { font-size: 0.75rem; color: var(--text-muted); }

.client-divider {
    width: 1px;
    height: 40px;
    background: var(--border-glass);
    flex-shrink: 0;
    margin: 0 8px;
}

/* Why Us grid */
.why-us-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-glass);
}

.why-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 28px 22px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    text-align: center;
    transition: var(--transition);
}
.why-card:hover { border-color: var(--cyan); transform: translateY(-3px); background: var(--bg-card-hover); }

.why-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--cyan-dim);
    border: 1px solid rgba(6,182,212,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    font-size: 1.4rem;
    margin: 0 auto;
}

.why-card h3 { font-size: 1rem; font-weight: 700; color: var(--text-white); }
[data-theme="light"] .why-card h3 { color: var(--text-primary); }
.why-card p  { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

/* ============================================================
   BLOG SECTION
   ============================================================ */
.blog-section {
    border-top: 1px solid var(--border-glass);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.blog-card:hover { transform: translateY(-4px); border-color: rgba(139,92,246,0.3); box-shadow: 0 16px 50px rgba(139,92,246,0.1); }

.blog-card-img {
    height: 180px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
}

.blog-img-1 { background: linear-gradient(135deg, rgba(139,92,246,0.3), rgba(6,182,212,0.2)); }
.blog-img-2 { background: linear-gradient(135deg, rgba(6,182,212,0.3), rgba(16,185,129,0.2)); }
.blog-img-3 { background: linear-gradient(135deg, rgba(16,185,129,0.3), rgba(245,158,11,0.2)); }

.coming-soon-pill {
    padding: 5px 14px;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.7);
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.blog-card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.blog-category {
    display: inline-block;
    padding: 3px 10px;
    background: var(--purple-dim);
    border: 1px solid rgba(139,92,246,0.2);
    color: var(--purple);
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    width: fit-content;
}

.blog-card-body h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-white);
    line-height: 1.4;
}
[data-theme="light"] .blog-card-body h3 { color: var(--text-primary); }

.blog-card-body p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; flex: 1; }

.blog-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--border-glass);
    margin-top: auto;
}
.blog-date, .blog-read-time { font-size: 0.75rem; color: var(--text-muted); }

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-section {
    border-top: 1px solid var(--border-glass);
    background: radial-gradient(ellipse 70% 60% at 30% 50%, rgba(139,92,246,0.06) 0%, transparent 70%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 36px;
}

.contact-card-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.contact-card-item:hover { border-color: var(--cyan); background: var(--bg-card-hover); }

.cc-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--cyan-dim);
    border: 1px solid rgba(6,182,212,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    font-size: 1.3rem;
    flex-shrink: 0;
}
.cc-icon-wa { background: rgba(37,211,102,0.1); border-color: rgba(37,211,102,0.25); color: #25d366; }

.cc-details h4 { font-size: 0.85rem; font-weight: 700; color: var(--text-white); margin-bottom: 3px; }
[data-theme="light"] .cc-details h4 { color: var(--text-primary); }
.cc-details a, .cc-details p { font-size: 0.85rem; color: var(--text-secondary); transition: var(--transition-fast); }
.cc-details a:hover { color: var(--cyan); }

/* Contact form */
.form-glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 36px;
    backdrop-filter: blur(16px);
}

.form-glass-card h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 8px;
}
[data-theme="light"] .form-glass-card h3 { color: var(--text-primary); }
.form-glass-card > p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 28px; }

.contact-form { display: flex; flex-direction: column; gap: 18px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); }

.form-control {
    width: 100%;
    padding: 11px 16px;
    background: var(--bg-input);
    border: 1.5px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--text-white);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: var(--transition-fast);
    outline: none;
    appearance: none;
}
[data-theme="light"] .form-control { color: var(--text-primary); }
.form-control:focus { border-color: var(--purple); box-shadow: 0 0 0 3px var(--purple-dim); }
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { resize: vertical; min-height: 100px; }
select.form-control { cursor: pointer; }

/* Accessible focus styles (keyboard users) */
a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--cyan);
    outline-offset: 3px;
}

.btn-submit {
    padding: 14px 24px;
    font-size: 1rem;
    margin-top: 6px;
    position: relative;
    overflow: hidden;
}

/* ============================================================
   FOOTER
   ============================================================ */
.main-footer {
    border-top: 1px solid var(--border-glass);
    background: rgba(0,0,0,0.3);
    position: relative;
    z-index: 1;
}

.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 72px 24px 40px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-logo {
    height: 44px;
    width: auto;
    object-fit: contain;
    margin-bottom: 16px;
    filter: drop-shadow(0 0 8px rgba(6,182,212,0.2));
}

.footer-brand p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; max-width: 280px; }

.footer-socials {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}
.footer-socials a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition-fast);
}
.footer-socials a:hover { color: var(--cyan); border-color: var(--cyan); background: var(--cyan-dim); }

.footer-links-col h4 {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 18px;
    letter-spacing: 0.3px;
}
[data-theme="light"] .footer-links-col h4 { color: var(--text-primary); }

.footer-links-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links-col li a {
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}
.footer-links-col li a:hover { color: var(--cyan); }

.footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px 24px;
    border-top: 1px solid var(--border-glass);
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
    text-align: center;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }

/* ============================================================
   WHATSAPP FLOAT BUTTON
   ============================================================ */
.wa-float-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25d366, #128c7e);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.6rem;
    box-shadow: 0 6px 24px rgba(37,211,102,0.4);
    transition: var(--transition);
}
.wa-float-btn:hover { transform: scale(1.12); box-shadow: 0 10px 32px rgba(37,211,102,0.55); }

.wa-float-tooltip {
    position: absolute;
    right: 68px;
    background: rgba(0,0,0,0.85);
    color: #fff;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}
.wa-float-btn:hover .wa-float-tooltip { opacity: 1; }

/* ============================================================
   REVEAL ANIMATIONS (Intersection Observer)
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
    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; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .products-grid { grid-template-columns: 1fr; max-width: 580px; margin: 0 auto; }
    .industries-grid { grid-template-columns: repeat(2, 1fr); }
    .why-us-grid { grid-template-columns: repeat(2, 1fr); }
    .blog-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
    :root { --section-pad: 64px; }

    /* Burger nav */
    .burger-btn { display: flex; }
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(6,8,16,0.98);
        border-bottom: 1px solid var(--border-glass);
        padding: 20px 24px 28px;
    }
    [data-theme="light"] .nav-menu { background: rgba(248,250,252,0.98); }
    .nav-menu.active { display: block; }
    .nav-list { flex-direction: column; align-items: flex-start; gap: 4px; }
    .nav-link { width: 100%; padding: 12px 16px; }

    .hero-headline { font-size: 2.2rem; }
    .hero-stats-strip { padding: 20px 16px; }
    .stat-item { padding: 0 16px; }
    .stat-num { font-size: 1.8rem; }

    .industries-grid { grid-template-columns: 1fr; }
    .why-us-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 28px; }

    .hero-product-preview { flex-direction: column; align-items: center; }
    .preview-card { width: 100%; max-width: 320px; }
}

@media (max-width: 480px) {
    .hero-inner { padding: 60px 16px 40px; }
    .section-container { padding: 0 16px; }
    .product-card { padding: 24px 20px; }
    .form-glass-card { padding: 24px 20px; }
    .stat-divider { display: none; }
    .stat-item { padding: 10px 12px; }
}