/* ========================================
   VUUN LTD — Professional Website Styles
   ======================================== */

/* ---- Design Tokens ---- */
:root {
    /* Color Palette — VUUN Corporate: Dark anthracite + Teal */
    --color-bg-primary: #0a0a0c;
    --color-bg-secondary: #0f1012;
    --color-bg-tertiary: #161618;
    --color-bg-card: #1a1b1f;
    --color-bg-card-hover: #202127;
    --color-bg-elevated: #24252b;

    --color-text-primary: #f4f4f5;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;
    --color-text-subtle: #52525b;

    /* Accent — VUUN Teal #4ECDC4 */
    --color-accent-primary: #4ECDC4;
    --color-accent-secondary: #5ED8CF;
    --color-accent-light: #8AE4DE;
    --color-accent-glow: rgba(78, 205, 196, 0.12);
    --color-accent-glow-strong: rgba(78, 205, 196, 0.25);

    /* Gradient stops — Teal spectrum */
    --gradient-primary: linear-gradient(135deg, #3DBDB5 0%, #4ECDC4 50%, #6FE0D8 100%);
    --gradient-accent-text: linear-gradient(135deg, #4ECDC4 0%, #8AE4DE 100%);
    --gradient-hero: linear-gradient(135deg, #3DBDB5 0%, #4ECDC4 30%, #6FE0D8 60%, #A5EDE8 100%);
    --gradient-card: linear-gradient(145deg, rgba(78, 205, 196, 0.06) 0%, rgba(78, 205, 196, 0.02) 100%);
    --gradient-border: linear-gradient(135deg, rgba(78, 205, 196, 0.3), rgba(78, 205, 196, 0.08));

    /* Borders */
    --border-default: 1px solid rgba(255, 255, 255, 0.06);
    --border-subtle: 1px solid rgba(255, 255, 255, 0.04);
    --border-accent: 1px solid rgba(78, 205, 196, 0.20);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 60px rgba(78, 205, 196, 0.08);
    --shadow-glow-strong: 0 0 80px rgba(78, 205, 196, 0.12);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --section-padding: 120px 0;
    --container-max: 1200px;
    --container-padding: 0 24px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---- Reset & Base ---- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ---- Container ---- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ---- Section Header ---- */
.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 72px;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent-secondary);
    margin-bottom: 16px;
    padding: 6px 16px;
    background: var(--color-accent-glow);
    border: var(--border-accent);
    border-radius: var(--radius-full);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--color-text-primary);
    margin-bottom: 20px;
}

.section-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(9, 9, 11, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: var(--border-subtle);
    padding: 12px 0;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 1001;
}

.logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

/* Default (dark): show dark logo, hide light */
.logo-for-dark {
    display: block;
}

.logo-for-light {
    display: none;
}

/* Light theme: show light logo, hide dark */
[data-theme="light"] .logo-for-dark {
    display: none;
}

[data-theme="light"] .logo-for-light {
    display: block;
}

.footer-logo-img {
    height: 30px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
}

.nav-back-link {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    padding: 4px 12px;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    margin-left: 16px;
    transition: color var(--transition-fast);
    white-space: nowrap;
    z-index: 1001;
}

.nav-back-link:hover {
    color: var(--color-accent-primary);
}

[data-theme="light"] .nav-back-link {
    border-left-color: rgba(0, 0, 0, 0.08);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
    color: var(--color-text-primary);
}

.nav-link-cta {
    background: var(--gradient-primary);
    color: #0a0a0c !important;
    font-weight: 700;
    padding: 8px 20px;
    margin-left: 8px;
}

.nav-link-cta:hover {
    opacity: 0.9;
    background: var(--gradient-primary) !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger {
    position: relative;
    width: 22px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
    margin: 0 auto;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg-grid {
    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;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
}

.hero-orb-1 {
    width: 600px;
    height: 600px;
    background: rgba(78, 205, 196, 0.12);
    top: -10%;
    left: -10%;
    animation: float-orb 20s ease-in-out infinite;
}

.hero-orb-2 {
    width: 500px;
    height: 500px;
    background: rgba(78, 205, 196, 0.08);
    bottom: -10%;
    right: -10%;
    animation: float-orb 25s ease-in-out infinite reverse;
}

.hero-orb-3 {
    width: 350px;
    height: 350px;
    background: rgba(138, 228, 222, 0.05);
    top: 40%;
    right: 20%;
    animation: float-orb 18s ease-in-out infinite 5s;
}

@keyframes float-orb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(15px, 15px) scale(1.02); }
}

.hero-container {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: rgba(255, 255, 255, 0.04);
    border: var(--border-default);
    padding: 8px 20px;
    border-radius: var(--radius-full);
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-size: clamp(2.8rem, 6.5vw, 5rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: var(--color-text-primary);
    margin-bottom: 28px;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-title-gradient {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 1.8vw, 1.2rem);
    line-height: 1.7;
    color: var(--color-text-secondary);
    max-width: 680px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 64px;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #0a0a0c;
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(78, 205, 196, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(78, 205, 196, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text-primary);
    border: var(--border-default);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

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

.hero-metrics {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-metric {
    text-align: center;
}

.hero-metric-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text-primary);
}

.hero-metric-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
    margin-top: 4px;
}

.hero-metric-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--color-accent-primary), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   SERVICES SECTION
   ======================================== */
.services {
    padding: var(--section-padding);
    background: var(--color-bg-secondary);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(78, 205, 196, 0.3), transparent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-spring);
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: linear-gradient(145deg, rgba(78, 205, 196, 0.2), rgba(255, 255, 255, 0.03));
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    -webkit-mask-composite: xor;
    pointer-events: none;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-strong);
}

.service-card:hover::before {
    background: linear-gradient(145deg, rgba(78, 205, 196, 0.4), rgba(78, 205, 196, 0.12));
}

.service-card-inner {
    padding: 40px;
    background: var(--gradient-card);
    background-color: var(--color-bg-card);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    border: var(--border-accent);
    border-radius: var(--radius-md);
    color: var(--color-accent-secondary);
    margin-bottom: 24px;
}

.service-icon svg {
    width: 32px;
    height: 32px;
}

.service-number {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent-primary);
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.service-title {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    margin-bottom: 14px;
}

.service-description {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.service-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.service-features li svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--color-accent-secondary);
    margin-top: 3px;
}

.service-footer {
    margin-top: 28px;
    padding-top: 20px;
    border-top: var(--border-subtle);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent-secondary);
    transition: all var(--transition-fast);
}

.service-link:hover {
    color: var(--color-accent-light);
    gap: 12px;
}

/* ========================================
   EXPERTISE SECTION
   ======================================== */
.expertise {
    padding: var(--section-padding);
    background: var(--color-bg-primary);
    position: relative;
}

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

.expertise-card {
    padding: 36px;
    background: var(--color-bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition-spring);
    position: relative;
    overflow: hidden;
}

.expertise-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.expertise-card:hover {
    transform: translateY(-4px);
    border-color: rgba(78, 205, 196, 0.2);
    box-shadow: var(--shadow-glow);
}

.expertise-card:hover::after {
    opacity: 1;
}

.expertise-icon-wrap {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-secondary);
    margin-bottom: 20px;
}

.expertise-icon-wrap svg {
    width: 32px;
    height: 32px;
}

.expertise-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
    color: var(--color-text-primary);
}

.expertise-card p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

/* ========================================
   GLOBAL REACH SECTION
   ======================================== */
.global {
    padding: var(--section-padding);
    background: var(--color-bg-secondary);
    position: relative;
}

.global::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(78, 205, 196, 0.3), transparent);
}

.global-map-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.global-map {
    display: flex;
    align-items: center;
    justify-content: center;
}

#globe-canvas {
    width: 100%;
    max-width: 460px;
    height: auto;
    aspect-ratio: 1;
}

.global-countries {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.country-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 24px;
    background: var(--color-bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.country-card:hover {
    border-color: rgba(78, 205, 196, 0.2);
    background: var(--color-bg-card-hover);
    transform: translateX(4px);
}

.country-flag {
    font-size: 1.8rem;
    width: 40px;
    flex-shrink: 0;
    text-align: center;
}

.country-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.country-info p {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* ========================================
   PROCESS SECTION
   ======================================== */
.process {
    padding: var(--section-padding);
    background: var(--color-bg-primary);
}

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process-line {
    position: absolute;
    left: 32px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent-primary), rgba(78, 205, 196, 0.2), transparent);
}

.process-step {
    position: relative;
    display: flex;
    gap: 32px;
    padding: 0 0 48px 0;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.process-step.visible {
    opacity: 1;
    transform: translateY(0);
}

.process-step:last-child {
    padding-bottom: 0;
}

.process-step-number {
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-accent-secondary);
    background: var(--color-bg-primary);
    border: 2px solid rgba(78, 205, 196, 0.3);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.process-step:hover .process-step-number {
    background: var(--color-accent-glow);
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 24px rgba(78, 205, 196, 0.2);
}

.process-step-content {
    padding-top: 10px;
}

.process-step-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
    margin-bottom: 10px;
}

.process-step-content p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

/* ========================================
   STATS SECTION
   ======================================== */
.stats {
    padding: var(--section-padding);
    background: var(--color-bg-secondary);
    position: relative;
}

.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(78, 205, 196, 0.3), transparent);
}

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

.stat-card {
    position: relative;
    padding: 40px;
    background: var(--color-bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-spring);
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(78, 205, 196, 0.2);
    box-shadow: var(--shadow-glow);
}

.stat-card-featured {
    grid-column: 1 / -1;
    background: var(--gradient-card);
    background-color: var(--color-bg-card);
    border-color: rgba(78, 205, 196, 0.15);
}

.stat-card-featured .stat-value {
    font-size: 4.5rem;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-value {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    color: var(--color-text-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-unit {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-accent-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.stat-sublabel {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact {
    padding: var(--section-padding);
    background: var(--color-bg-primary);
    position: relative;
}

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

.contact-info .section-title {
    text-align: left;
}

.contact-description {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-detail-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-detail-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    border: var(--border-accent);
    border-radius: var(--radius-md);
    color: var(--color-accent-secondary);
    flex-shrink: 0;
}

.contact-detail-icon svg {
    width: 20px;
    height: 20px;
}

.contact-detail-item strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.contact-detail-item p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.contact-form-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    letter-spacing: 0.01em;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    background: var(--color-bg-secondary);
    border: var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-subtle);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: rgba(78, 205, 196, 0.5);
    box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.1);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%2371717a' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    margin-top: 8px;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    padding: 80px 0 40px;
    background: var(--color-bg-tertiary);
    border-top: var(--border-subtle);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 56px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    max-width: 320px;
}

.footer-nav h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 20px;
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav li,
.footer-nav a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-nav a:hover {
    color: var(--color-text-primary);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 32px;
    border-top: var(--border-subtle);
}

.footer-bottom p {
    font-size: 0.82rem;
    color: var(--color-text-subtle);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 0.82rem;
    color: var(--color-text-subtle);
}

.footer-legal a:hover {
    color: var(--color-text-secondary);
}

/* ========================================
   SCROLL REVEAL ANIMATIONS
   ======================================== */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 96px 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .global-map-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .global-countries {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-card-featured {
        grid-column: 1 / -1;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(9, 9, 11, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 8px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all var(--transition-base);
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-link {
        font-size: 1.2rem;
        padding: 14px 24px;
    }

    .nav-link-cta {
        margin-left: 0;
        margin-top: 8px;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: clamp(2.2rem, 8vw, 3.5rem);
    }

    .hero-metrics {
        flex-direction: column;
        gap: 20px;
    }

    .hero-metric-divider {
        width: 40px;
        height: 1px;
    }

    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }

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

    .expertise-grid {
        grid-template-columns: 1fr;
    }

    .map-visual {
        width: 280px;
        height: 280px;
    }

    .map-ring-1 { width: 160px; height: 160px; }
    .map-ring-2 { width: 220px; height: 220px; }
    .map-ring-3 { width: 280px; height: 280px; }

    .global-countries {
        grid-template-columns: 1fr;
    }

    .process-step {
        gap: 20px;
    }

    .process-line {
        left: 24px;
    }

    .process-step-number {
        width: 48px;
        height: 48px;
        font-size: 0.75rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-card-featured .stat-value {
        font-size: 3.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .service-card-inner {
        padding: 28px;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .contact-form-wrapper {
        padding: 28px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }

    .hero-badge {
        font-size: 0.72rem;
        padding: 6px 14px;
    }

    .section-label {
        font-size: 0.72rem;
    }

    .country-card {
        padding: 14px 18px;
    }

    .stat-card {
        padding: 28px;
    }

    .stat-value {
        font-size: 2.5rem;
    }
}

/* ========================================
   THEME TOGGLE BUTTON
   ======================================== */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.06);
    border: var(--border-default);
    border-radius: var(--radius-full);
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    margin-left: 8px;
    z-index: 1001;
    flex-shrink: 0;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-accent-primary);
    transform: rotate(15deg);
}

/* Dark mode (default): show moon, hide sun */
.theme-icon-sun {
    display: none;
}

.theme-icon-moon {
    display: block;
}

/* Light mode: show sun, hide moon */
[data-theme="light"] .theme-icon-sun {
    display: block;
}

[data-theme="light"] .theme-icon-moon {
    display: none;
}

/* ========================================
   LIGHT THEME OVERRIDES
   ======================================== */
[data-theme="light"] {
    /* Backgrounds */
    --color-bg-primary: #f8f9fa;
    --color-bg-secondary: #f0f1f3;
    --color-bg-tertiary: #e8e9ec;
    --color-bg-card: #ffffff;
    --color-bg-card-hover: #f5f6f8;
    --color-bg-elevated: #ffffff;

    /* Text */
    --color-text-primary: #1a1b1f;
    --color-text-secondary: #4a4b52;
    --color-text-muted: #6b6c75;
    --color-text-subtle: #9a9ba3;

    /* Accent — Slightly deeper teal for light bg contrast */
    --color-accent-primary: #3DBDB5;
    --color-accent-secondary: #2FA89F;
    --color-accent-light: #4ECDC4;
    --color-accent-glow: rgba(61, 189, 181, 0.10);
    --color-accent-glow-strong: rgba(61, 189, 181, 0.18);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3DBDB5 0%, #4ECDC4 50%, #5ED8CF 100%);
    --gradient-accent-text: linear-gradient(135deg, #2FA89F 0%, #3DBDB5 100%);
    --gradient-hero: linear-gradient(135deg, #2FA89F 0%, #3DBDB5 30%, #4ECDC4 60%, #6FE0D8 100%);
    --gradient-card: linear-gradient(145deg, rgba(61, 189, 181, 0.04) 0%, rgba(61, 189, 181, 0.01) 100%);
    --gradient-border: linear-gradient(135deg, rgba(61, 189, 181, 0.25), rgba(61, 189, 181, 0.05));

    /* Borders */
    --border-default: 1px solid rgba(0, 0, 0, 0.08);
    --border-subtle: 1px solid rgba(0, 0, 0, 0.05);
    --border-accent: 1px solid rgba(61, 189, 181, 0.25);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 60px rgba(61, 189, 181, 0.06);
    --shadow-glow-strong: 0 0 80px rgba(61, 189, 181, 0.10);
}

/* --- Light theme component overrides --- */
[data-theme="light"] .navbar.scrolled {
    background: rgba(248, 249, 250, 0.88);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .hero-bg-grid {
    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);
}

[data-theme="light"] .hero-orb-1 {
    background: rgba(78, 205, 196, 0.10);
}

[data-theme="light"] .hero-orb-2 {
    background: rgba(78, 205, 196, 0.07);
}

[data-theme="light"] .hero-orb-3 {
    background: rgba(138, 228, 222, 0.05);
}

[data-theme="light"] .hero-badge {
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .btn-secondary {
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.10);
}

[data-theme="light"] .btn-secondary:hover {
    background: rgba(0, 0, 0, 0.07);
}

[data-theme="light"] .hero-metric-divider {
    background: rgba(0, 0, 0, 0.10);
}

[data-theme="light"] .scroll-line {
    background: linear-gradient(to bottom, var(--color-accent-primary), transparent);
}

[data-theme="light"] .services::before,
[data-theme="light"] .global::before,
[data-theme="light"] .stats::before {
    background: linear-gradient(90deg, transparent, rgba(61, 189, 181, 0.25), transparent);
}

[data-theme="light"] .service-card::before {
    background: linear-gradient(145deg, rgba(61, 189, 181, 0.15), rgba(0, 0, 0, 0.02));
}

[data-theme="light"] .service-card:hover::before {
    background: linear-gradient(145deg, rgba(61, 189, 181, 0.30), rgba(61, 189, 181, 0.08));
}

[data-theme="light"] .service-card-inner {
    background-color: #ffffff;
    box-shadow: var(--shadow-sm);
}

[data-theme="light"] .expertise-card {
    background: #ffffff;
    box-shadow: var(--shadow-sm);
}

[data-theme="light"] .expertise-card:hover {
    border-color: rgba(61, 189, 181, 0.25);
}

[data-theme="light"] .map-ring {
    border-color: rgba(61, 189, 181, 0.12);
}

[data-theme="light"] .country-card {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.06);
    box-shadow: var(--shadow-sm);
}

[data-theme="light"] .country-card:hover {
    border-color: rgba(61, 189, 181, 0.25);
}

[data-theme="light"] .process-step-number {
    background: var(--color-bg-primary);
    border-color: rgba(61, 189, 181, 0.30);
}

[data-theme="light"] .process-line {
    background: linear-gradient(to bottom, var(--color-accent-primary), rgba(61, 189, 181, 0.15), transparent);
}

[data-theme="light"] .stat-card {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.06);
    box-shadow: var(--shadow-sm);
}

[data-theme="light"] .stat-card:hover {
    border-color: rgba(61, 189, 181, 0.25);
}

[data-theme="light"] .stat-card-featured {
    border-color: rgba(61, 189, 181, 0.15);
}

[data-theme="light"] .contact-form-wrapper {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.06);
    box-shadow: var(--shadow-md);
}

[data-theme="light"] .form-group input,
[data-theme="light"] .form-group select,
[data-theme="light"] .form-group textarea {
    background: #f5f6f8;
    border-color: rgba(0, 0, 0, 0.08);
    color: var(--color-text-primary);
}

[data-theme="light"] .form-group input:focus,
[data-theme="light"] .form-group select:focus,
[data-theme="light"] .form-group textarea:focus {
    border-color: rgba(61, 189, 181, 0.50);
    box-shadow: 0 0 0 3px rgba(61, 189, 181, 0.08);
    background: #ffffff;
}

[data-theme="light"] .footer {
    background: #1a1b1f;
    color: #f4f4f5;
}

[data-theme="light"] .footer .footer-description,
[data-theme="light"] .footer .footer-nav ul li,
[data-theme="light"] .footer .footer-bottom p {
    color: #a1a1aa;
}

[data-theme="light"] .footer .footer-nav h4 {
    color: #f4f4f5;
}

[data-theme="light"] .footer .footer-nav a:hover {
    color: #4ECDC4;
}

[data-theme="light"] .footer-bottom {
    border-top-color: rgba(255, 255, 255, 0.06);
}

[data-theme="light"] .footer .footer-legal a {
    color: #a1a1aa;
}

[data-theme="light"] .theme-toggle {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.08);
    color: var(--color-text-secondary);
}

[data-theme="light"] .theme-toggle:hover {
    background: rgba(0, 0, 0, 0.08);
    color: var(--color-accent-primary);
}

[data-theme="light"] .hamburger,
[data-theme="light"] .hamburger::before,
[data-theme="light"] .hamburger::after {
    background: var(--color-text-primary);
}

[data-theme="light"] .contact-detail-icon {
    background: var(--color-accent-glow);
}

/* Light mode nav mobile overlay */
@media (max-width: 768px) {
    [data-theme="light"] .nav-links.active {
        background: rgba(248, 249, 250, 0.97);
    }

    [data-theme="light"] .nav-link:hover {
        background: rgba(0, 0, 0, 0.04);
    }
}