/* ===========================
   Geemind Technology - Main Stylesheet
   Design System: Dark Tech + Sports Data
   =========================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-bg: #060B14;
    --color-bg-alt: #0A1628;
    --color-bg-card: rgba(255, 255, 255, 0.02);
    --color-bg-card-hover: rgba(255, 255, 255, 0.04);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(0, 217, 255, 0.3);

    --color-primary: #00D9FF;
    --color-primary-dim: #00A8E8;
    --color-secondary: #00FFA3;
    --color-accent: #FF6B35;
    --color-warning: #FFB800;

    --color-text: #FFFFFF;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-muted: rgba(255, 255, 255, 0.4);

    /* Gradients */
    --grad-primary: linear-gradient(135deg, #00D9FF 0%, #00FFA3 100%);
    --grad-dark: linear-gradient(180deg, #0A1628 0%, #060B14 100%);
    --grad-glow: radial-gradient(circle at 50% 0%, rgba(0,217,255,0.15) 0%, transparent 60%);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;

    /* Typography */
    --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, monospace;
    --font-zh: 'Noto Sans SC', 'Inter', sans-serif;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(0, 217, 255, 0.3);

    /* Transitions */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-zh);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    min-height: 100vh;
}

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

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

button { font-family: inherit; cursor: pointer; border: none; background: none; }

ul { list-style: none; }

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

/* ===========================
   Background Effects
   =========================== */
.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 217, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 217, 255, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
}

.bg-glow {
    position: fixed;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 60%;
    background: var(--grad-glow);
    pointer-events: none;
    z-index: 0;
    filter: blur(40px);
}

/* ===========================
   Buttons
   =========================== */
.btn-primary, .btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition);
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--grad-primary);
    color: #060B14;
    box-shadow: 0 4px 16px rgba(0, 217, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 217, 255, 0.5);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block { width: 100%; }

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition);
    background: rgba(6, 11, 20, 0.6);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(6, 11, 20, 0.9);
    border-bottom-color: var(--color-border);
    padding: 0.5rem 0;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-zh {
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--color-text);
}

.logo-en {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    font-family: var(--font-mono);
}

.nav-menu {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.nav-link {
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--color-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.lang-toggle {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    font-family: var(--font-mono);
}

.lang-toggle:hover {
    color: var(--color-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition);
    border-radius: 2px;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    position: relative;
    min-height: 100vh;
    padding: 8rem 0 4rem;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.5;
}

#heroCanvas {
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(0, 217, 255, 0.08);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    font-family: var(--font-mono);
    letter-spacing: 0.1em;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.3); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
}

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

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    max-width: 540px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.stat-value {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-text);
    font-family: var(--font-mono);
    line-height: 1;
}

.stat-suffix {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
}

.stat-label {
    width: 100%;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

/* Hero Visual Cards */
.hero-visual {
    position: relative;
    height: 480px;
}

.visual-card {
    background: rgba(15, 30, 54, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
}

.card-main {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 420px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.live-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-accent);
    font-family: var(--font-mono);
    letter-spacing: 0.1em;
}

.live-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
    box-shadow: 0 0 12px var(--color-accent);
}

.card-title {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.match-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.team {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 0.95rem;
}

.team-logo {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: white;
    font-size: 0.9rem;
}

.match-score {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-mono);
}

.score-home, .score-away {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-text);
    min-width: 1.5rem;
    text-align: center;
}

.score-time {
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    background: rgba(255, 107, 53, 0.15);
    border-radius: var(--radius-sm);
}

.match-progress {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--grad-primary);
    border-radius: 3px;
    animation: progressAnim 2s ease-out;
}

@keyframes progressAnim {
    from { width: 0; }
}

.progress-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.card-float {
    position: absolute;
    width: 180px;
    padding: 1rem;
}

.card-1 {
    top: 8%;
    right: 0;
    animation: floatY 4s ease-in-out infinite;
}

.card-2 {
    bottom: 8%;
    left: 0;
    animation: floatY 4s ease-in-out infinite 2s;
}

@keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.mini-stat {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mini-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mini-value {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-text);
    font-family: var(--font-mono);
}

.mini-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    letter-spacing: 0.2em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===========================
   Trust Bar
   =========================== */
.trust-bar {
    padding: 3rem 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background: rgba(10, 22, 40, 0.4);
}

.trust-text {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    letter-spacing: 0.2em;
    margin-bottom: 2rem;
}

.trust-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.trust-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-muted);
    transition: color var(--transition);
    font-family: var(--font-mono);
    letter-spacing: 0.05em;
}

.trust-logo:hover {
    color: var(--color-primary);
}

/* ===========================
   Sections
   =========================== */
.section {
    padding: var(--space-2xl) 0;
    position: relative;
}

.section-alt {
    background: linear-gradient(180deg, transparent, rgba(10, 22, 40, 0.4), transparent);
}

.section-dark {
    background: var(--color-bg-alt);
}

.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 4rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--color-primary);
    font-family: var(--font-mono);
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
    padding: 0.4rem 1rem;
    background: rgba(0, 217, 255, 0.08);
    border-radius: 100px;
    border: 1px solid rgba(0, 217, 255, 0.2);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===========================
   About
   =========================== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.about-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--grad-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.about-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.about-card:hover::before {
    transform: scaleX(1);
}

.about-main {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.05), rgba(0, 255, 163, 0.02));
    border-color: rgba(0, 217, 255, 0.15);
}

.about-wide {
    grid-column: span 3;
}

.about-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-primary);
    opacity: 0.3;
    font-family: var(--font-mono);
    line-height: 1;
    margin-bottom: 1rem;
}

.about-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.about-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.about-icon {
    position: absolute;
    top: 2rem;
    right: 2rem;
    opacity: 0.3;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.about-feature {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.af-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    margin-top: 0.5rem;
    flex-shrink: 0;
    box-shadow: 0 0 8px var(--color-primary);
}

.about-feature strong {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 700;
}

.about-feature p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* ===========================
   Services
   =========================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.05) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.15), rgba(0, 255, 163, 0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
    position: relative;
    z-index: 1;
}

.service-icon svg {
    width: 28px;
    height: 28px;
}

.service-num {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 0.85rem;
    font-family: var(--font-mono);
    color: var(--color-text-muted);
    font-weight: 600;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.service-card > p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    position: relative;
    z-index: 1;
}

.service-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.service-list li {
    padding: 0.25rem 0.75rem;
    background: rgba(0, 217, 255, 0.08);
    border: 1px solid rgba(0, 217, 255, 0.15);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--color-primary);
    font-family: var(--font-mono);
}

.service-link {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition);
    position: relative;
    z-index: 1;
}

.service-link:hover {
    color: var(--color-secondary);
}

/* ===========================
   Technology
   =========================== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.tech-item {
    padding: 2rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.tech-item:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.tech-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
}

.tech-item h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

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

.tech-stack {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.tech-stack-title {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
}

.stack-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.stack-items span {
    padding: 0.5rem 1rem;
    background: rgba(0, 217, 255, 0.08);
    border: 1px solid rgba(0, 217, 255, 0.15);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition);
}

.stack-items span:hover {
    background: rgba(0, 217, 255, 0.15);
    transform: translateY(-2px);
}

/* ===========================
   Charts Showcase
   =========================== */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.chart-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition);
}

.chart-card:hover {
    border-color: var(--color-border-hover);
}

.chart-wide {
    grid-column: span 2;
}

.chart-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.chart-head h4 {
    font-size: 1.05rem;
    font-weight: 700;
}

.chart-meta {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.chart-canvas {
    width: 100%;
    height: 280px;
}

.chart-wide .chart-canvas {
    height: 320px;
}

/* ===========================
   Industry Coverage
   =========================== */
.industry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.industry-card {
    padding: 2rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    text-align: left;
}

.industry-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.industry-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.industry-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.industry-card p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.industry-count {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
}

/* ===========================
   Case Studies
   =========================== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.case-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}

.case-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-border-hover);
}

.case-image {
    height: 200px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.case-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
}

.case-stat {
    text-align: center;
    color: white;
    z-index: 1;
}

.case-stat-num {
    font-size: 2.5rem;
    font-weight: 900;
    font-family: var(--font-mono);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.case-stat-label {
    font-size: 0.85rem;
    opacity: 0.9;
}

.case-body {
    padding: 1.5rem;
}

.case-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 217, 255, 0.1);
    color: var(--color-primary);
    border-radius: 100px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    margin-bottom: 0.75rem;
}

.case-body h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.case-body p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.case-link {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: color var(--transition);
}

.case-link:hover {
    color: var(--color-secondary);
}

/* ===========================
   CTA Section
   =========================== */
.cta-section {
    padding: var(--space-xl) 0;
}

.cta-box {
    position: relative;
    padding: 4rem 3rem;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), rgba(0, 255, 163, 0.05));
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: var(--radius-xl);
    overflow: hidden;
    text-align: center;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 255, 163, 0.15) 0%, transparent 50%);
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-box h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    font-weight: 800;
}

.cta-box p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===========================
   Contact
   =========================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 217, 255, 0.08);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.contact-item p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

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

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition);
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(0, 217, 255, 0.04);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

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

.form-note {
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-align: center;
}

.form-note a {
    color: var(--color-primary);
}

/* ===========================
   Footer
   =========================== */
.footer {
    padding: 4rem 0 2rem;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin: 1.5rem 0;
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-logo .logo-icon {
    width: 36px;
    height: 36px;
}

.footer-logo strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.footer-logo span {
    font-size: 0.75rem;
    color: var(--color-primary);
    font-family: var(--font-mono);
    letter-spacing: 0.1em;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition);
}

.social-links a:hover {
    background: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.footer-col h5 {
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-col a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ===========================
   Scroll Reveal
   =========================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s, transform 0.8s;
}

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

/* ===========================
   Responsive
   =========================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .hero-visual {
        height: 400px;
        max-width: 480px;
        margin: 0 auto;
        width: 100%;
    }
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-main, .about-wide {
        grid-column: span 2;
    }
    .services-grid, .tech-grid, .industry-grid, .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .charts-grid {
        grid-template-columns: 1fr;
    }
    .chart-wide {
        grid-column: span 1;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --space-2xl: 4rem;
    }

    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(6, 11, 20, 0.98);
        backdrop-filter: blur(20px);
        padding: 2rem;
        gap: 0.5rem;
        transform: translateY(-200%);
        transition: transform var(--transition);
        border-bottom: 1px solid var(--color-border);
        align-items: stretch;
    }

    .nav-menu.open {
        transform: translateY(0);
    }

    .nav-link {
        padding: 0.75rem 1rem;
        text-align: center;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-actions .lang-toggle {
        display: none;
    }

    .hero {
        padding: 6rem 0 3rem;
        min-height: auto;
    }

    .hero-stats {
        gap: 1rem;
    }

    .stat-value {
        font-size: 1.75rem;
    }

    .stat-divider {
        display: none;
    }

    .stat-item {
        flex: 1;
        min-width: 100px;
    }

    .hero-visual {
        height: 360px;
    }

    .card-float {
        width: 140px;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }
    .about-main, .about-wide {
        grid-column: span 1;
    }
    .about-features {
        grid-template-columns: 1fr;
    }

    .services-grid, .tech-grid, .industry-grid, .cases-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .footer-brand {
        grid-column: span 1;
    }

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

    .section-head {
        margin-bottom: 2.5rem;
    }

    .cta-box {
        padding: 2.5rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-actions .btn-primary,
    .hero-actions .btn-ghost {
        justify-content: center;
    }
}

/* Selection */
::selection {
    background: var(--color-primary);
    color: var(--color-bg);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 217, 255, 0.3);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 217, 255, 0.5);
}