/* ============================================
   SIETCH - Main Stylesheet
   Dark Mode Design inspired by Palantir/Anduril
   ============================================ */

/* ============================================
   CSS Variables / Design Tokens
   ============================================ */
:root {
    /* Colors - Dark Mode Palette */
    --color-bg-primary: #0a0a0b;
    --color-bg-secondary: #111113;
    --color-bg-tertiary: #18181b;
    --color-bg-elevated: #1f1f23;
    --color-bg-card: #141416;
    
    /* Accent Colors */
    --color-accent-primary: #00d4ff;
    --color-accent-secondary: #0099cc;
    --color-accent-glow: rgba(0, 212, 255, 0.15);
    --color-accent-subtle: rgba(0, 212, 255, 0.08);
    
    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #a1a1aa;
    --color-text-tertiary: #71717a;
    --color-text-muted: #52525b;
    
    /* Border Colors */
    --color-border-primary: rgba(255, 255, 255, 0.08);
    --color-border-secondary: rgba(255, 255, 255, 0.04);
    --color-border-accent: rgba(0, 212, 255, 0.3);
    
    /* Status Colors */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    /* Typography - Font Families */
    --font-headline: 'Michroma', sans-serif;
    --font-subheader: 'IBM Plex Sans', sans-serif;
    --font-body: 'IBM Plex Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Typography - Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    --text-8xl: 6rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Layout */
    --container-max: 1400px;
    --container-padding: 2rem;
    --header-height: 60px;
    
    /* Effects */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px var(--color-accent-glow);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
}

body.loading {
    overflow: hidden;
}

body.menu-open {
    overflow: hidden;
}

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

/* Links */
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-base);
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Lists */
ul, ol {
    list-style: none;
}

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

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   Preloader
   ============================================ */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
}

.loader-logo {
    width: 80px;
    height: 40px;
    color: var(--color-accent-primary);
}

.loader-logo .arch-1,
.loader-logo .arch-2 {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: drawArch 1.5s ease forwards;
}

.loader-logo .arch-2 {
    animation-delay: 0.3s;
}

@keyframes drawArch {
    to {
        stroke-dashoffset: 0;
    }
}

.loader-text {
    font-family: var(--font-headline);
    font-size: var(--text-2xl);
    color: var(--color-text-primary);
    letter-spacing: 0.3em;
    opacity: 0;
    animation: fadeIn 0.5s ease 0.8s forwards;
}

.loader-bar {
    width: 200px;
    height: 2px;
    background-color: var(--color-border-primary);
    overflow: hidden;
    border-radius: var(--radius-full);
}

.loader-progress {
    height: 100%;
    background-color: var(--color-accent-primary);
    width: 0;
    animation: loadProgress 2s ease forwards;
}

@keyframes loadProgress {
    to {
        width: 100%;
    }
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* ============================================
   Cursor Follower
   ============================================ */
.cursor-follower {
    position: fixed;
    width: 20px;
    height: 20px;
    border: 1px solid var(--color-accent-primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, border-color 0.2s;
    mix-blend-mode: difference;
    display: none;
}

@media (hover: hover) and (pointer: fine) {
    .cursor-follower {
        display: block;
    }
}

.cursor-follower.hovering {
    width: 40px;
    height: 40px;
    border-color: var(--color-text-primary);
}

/* ============================================
   Navigation
   ============================================ */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: background-color var(--transition-base), backdrop-filter var(--transition-base);
}

#header.scrolled {
    background-color: rgba(10, 10, 11, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-primary);
}

.nav-container {
    max-width: 100%;
    margin: 0;
    padding: 0 var(--space-6);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo-img {
    height: 22px;
    width: auto;
    transition: opacity var(--transition-base);
}

.logo:hover .logo-img {
    opacity: 0.8;
}

/* Loader Logo */
.loader-logo-img {
    height: 40px;
    width: auto;
    margin-bottom: var(--space-6);
}

/* Nav Links */
.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    padding: var(--space-2) 0;
    position: relative;
    transition: color var(--transition-base);
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-text-primary);
    transition: width var(--transition-base);
}

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

.nav-link:hover::after {
    width: 100%;
}

/* Menu Toggle (Hamburger) */
.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    z-index: 1001;
    cursor: pointer;
    margin-left: var(--space-6);
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: transform var(--transition-base), opacity var(--transition-base);
    transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Expanded Menu */
.expanded-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: rgba(10, 10, 11, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-primary);
    padding: var(--space-12) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
    z-index: 998;
}

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

.expanded-menu-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-12);
}

.menu-section-title {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border-primary);
}

.menu-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.menu-links a {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
}

.menu-links a:hover {
    color: var(--color-text-primary);
}

.menu-cta-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    justify-content: flex-start;
}

.menu-cta-section .btn {
    text-align: center;
}

/* Language selector (menu + footer) */
.lang-select-wrapper {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.6rem;
    min-width: 120px;
}

.lang-globe-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-primary);
    opacity: 0.9;
}

.lang-globe-icon svg {
    width: 14px;
    height: 14px;
}

.lang-select-control {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    border: none;
    outline: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    min-width: 72px;
}

.lang-select-control:hover {
    color: var(--color-text-primary);
}

.lang-select-control option {
    color: #0a0a0b;
}

.menu-language-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-language-column .lang-select-wrapper {
    width: 100%;
    min-width: 0;
}

@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }
    
    .expanded-menu-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
}

@media (max-width: 768px) {
    .expanded-menu {
        padding: var(--space-8) 0;
    }
    
    .menu-cta-section {
        padding-top: var(--space-4);
        border-top: 1px solid var(--color-border-primary);
    }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-sm);
}

.btn-primary {
    background-color: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background-color: var(--color-text-primary);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-primary);
}

.btn-secondary:hover {
    background-color: var(--color-bg-elevated);
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    color: var(--color-text-primary);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   Hero Section - Video Background
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Video Background */
.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-video-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 11, 0.3) 0%,
        rgba(10, 10, 11, 0.1) 40%,
        rgba(10, 10, 11, 0.1) 60%,
        rgba(10, 10, 11, 0.8) 100%
    );
    pointer-events: none;
}

/* Hero Headline Only - Left Aligned */
.hero-headline-wrapper {
    position: absolute;
    top: 18%;
    left: 0;
    z-index: 1;
    text-align: left;
    padding-left: var(--space-6);
    max-width: 100%;
}

.hero-headline {
    font-family: var(--font-headline);
    font-size: clamp(2rem, 5vw, 4.5rem);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: 0.12em;
    font-stretch: expanded;
    text-transform: uppercase;
    color: var(--color-text-primary);
}

.hero-headline .line {
    display: block;
}

.hero-headline .highlight {
    color: var(--color-text-primary);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    z-index: 1;
}

.scroll-indicator span {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.2em;
    color: var(--color-text-tertiary);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-text-primary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.8); }
}

/* ============================================
   Hero Secondary Section (Below Fold)
   ============================================ */
.hero-secondary {
    background-color: var(--color-bg-primary);
    padding: var(--space-24) 0;
    border-bottom: 1px solid var(--color-border-primary);
}

.hero-secondary-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-tagline {
    font-family: var(--font-subheader);
    font-size: clamp(var(--text-xl), 3vw, var(--text-3xl));
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.hero-tagline-sub {
    font-family: var(--font-body);
    font-size: clamp(var(--text-base), 1.8vw, var(--text-lg));
    font-weight: 400;
    color: var(--color-text-tertiary, #71717a);
    margin-bottom: var(--space-10);
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-10);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
}

.stat-number {
    font-family: var(--font-headline);
    font-size: var(--text-4xl);
    color: var(--color-text-primary);
}

.stat-suffix {
    font-family: var(--font-headline);
    font-size: var(--text-xl);
    color: var(--color-accent-primary);
    margin-left: var(--space-1);
}

.stat-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    letter-spacing: 0.1em;
    margin-top: var(--space-2);
    display: block;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background-color: var(--color-border-primary);
}

@media (max-width: 768px) {
    .scroll-indicator {
        display: none;
    }
    
    .stat-divider {
        display: none;
    }
    
    .hero-stats {
        gap: var(--space-6);
    }
    
    .hero-tagline {
        margin-bottom: var(--space-8);
    }
    
    .hero-ctas {
        margin-bottom: var(--space-12);
    }
}

/* ============================================
   Legacy Hero Elements (kept for other uses)
   ============================================ */
.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-accent-primary) 0%, transparent 70%);
    top: -200px;
    right: -200px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-accent-secondary) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
}

/* Hero Badge (for other sections) */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-bg-elevated);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-8);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.badge-text {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.15em;
    color: var(--color-text-secondary);
}

.hero-headline {
    font-family: var(--font-headline);
    font-size: clamp(var(--text-2xl), 5vw, var(--text-5xl));
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-6);
}

.hero-headline .line {
    display: block;
}

.hero-headline .highlight {
    color: var(--color-text-primary);
}

.hero-subheadline {
    font-family: var(--font-subheader);
    font-size: clamp(var(--text-lg), 2.5vw, var(--text-2xl));
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-10);
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
}

.stat-number {
    font-family: var(--font-headline);
    font-size: var(--text-4xl);
    color: var(--color-text-primary);
}

.stat-suffix {
    font-family: var(--font-headline);
    font-size: var(--text-xl);
    color: var(--color-accent-primary);
    margin-left: var(--space-1);
}

.stat-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    letter-spacing: 0.1em;
    margin-top: var(--space-2);
    display: block;
}

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

/* Hero Location */
.hero-location {
    position: absolute;
    bottom: var(--space-8);
    left: var(--container-padding);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    letter-spacing: 0.1em;
}

.location-label {
    color: var(--color-text-muted);
}

.location-name {
    color: var(--color-accent-primary);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    right: var(--container-padding);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.scroll-indicator span {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.2em;
    color: var(--color-text-tertiary);
    writing-mode: vertical-rl;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-text-primary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.8); }
}

@media (max-width: 768px) {
    .hero-location,
    .scroll-indicator {
        display: none;
    }
    
    .stat-divider {
        display: none;
    }
    
    .hero-stats {
        gap: var(--space-6);
    }
}

/* ============================================
   Section Styles (Common)
   ============================================ */
section {
    padding: var(--space-24) 0;
    position: relative;
}

.section-marker {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.marker-line {
    width: 60px;
    height: 1px;
    background-color: var(--color-accent-primary);
}

.marker-text {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.2em;
    color: var(--color-text-tertiary);
}

/* ============================================
   Mission Section
   ============================================ */
.mission-section {
    background-color: var(--color-bg-secondary);
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.mission-headline {
    font-family: var(--font-headline);
    font-size: clamp(var(--text-2xl), 4vw, var(--text-5xl));
    line-height: 1.2;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-8);
    grid-column: 1 / -1;
}

.mission-body {
    grid-column: 1;
}

.mission-text {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.mission-text strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.mission-text.emphasis {
    font-family: var(--font-subheader);
    font-weight: 600;
    font-size: var(--text-xl);
    color: var(--color-accent-primary);
}

.mission-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.digital-twin {
    position: relative;
    width: 300px;
    height: 300px;
}

.twin-layer {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid var(--color-border-primary);
    border-radius: 50%;
}

.layer-1 {
    width: 100%;
    height: 100%;
    animation: rotateSlow 20s linear infinite;
}

.layer-2 {
    width: 70%;
    height: 70%;
    animation: rotateSlow 15s linear infinite reverse;
}

.layer-3 {
    width: 40%;
    height: 40%;
    border-color: var(--color-accent-primary);
    animation: rotateSlow 10s linear infinite;
}

@keyframes rotateSlow {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.twin-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    color: var(--color-accent-primary);
}

@media (max-width: 1024px) {
    .mission-content {
        grid-template-columns: 1fr;
    }
    
    .mission-headline {
        grid-column: 1;
    }
    
    .mission-body {
        grid-column: 1;
    }
    
    .mission-visual {
        order: -1;
        margin-bottom: var(--space-8);
    }
    
    .digital-twin {
        width: 200px;
        height: 200px;
    }
}

/* ============================================
   Products Section
   ============================================ */
.products-section {
    background-color: var(--color-bg-primary);
}

.products-headline {
    font-family: var(--font-headline);
    font-size: clamp(var(--text-2xl), 4vw, var(--text-5xl));
    line-height: 1.2;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.products-intro {
    font-family: var(--font-subheader);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-16);
}

.product-triptych {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.product-card {
    position: relative;
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base);
}

.product-card:hover {
    transform: translateY(-8px);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at top, var(--color-accent-glow), transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.product-card:hover .card-glow {
    opacity: 1;
}

.card-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-primary);
    transition: border-color var(--transition-base);
}

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

.product-card.featured .card-border {
    border-color: var(--color-accent-primary);
}

.card-content {
    position: relative;
    padding: var(--space-8);
    z-index: 1;
}

.product-icon {
    width: 64px;
    height: 64px;
    color: var(--color-accent-primary);
    margin-bottom: var(--space-6);
}

.product-icon svg {
    width: 100%;
    height: 100%;
}

.product-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.15em;
    color: var(--color-accent-primary);
    background-color: var(--color-accent-subtle);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-4);
}

.product-name {
    font-family: var(--font-headline);
    font-size: var(--text-2xl);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.product-tagline {
    font-family: var(--font-subheader);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.product-description {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.feature {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    background-color: var(--color-bg-tertiary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
}

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

.product-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-base);
}

.product-link:hover svg {
    transform: translateX(4px);
}

@media (max-width: 1024px) {
    .product-triptych {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Capabilities Section
   ============================================ */
.capabilities-section {
    background-color: var(--color-bg-secondary);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.capability-item {
    padding: var(--space-6);
    border-left: 2px solid var(--color-border-primary);
    transition: border-color var(--transition-base);
}

.capability-item:hover {
    border-color: var(--color-accent-primary);
}

.capability-number {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-accent-primary);
    margin-bottom: var(--space-4);
}

.capability-title {
    font-family: var(--font-headline);
    font-size: var(--text-base);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.capability-desc {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Trust Section
   ============================================ */
.trust-section {
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-border-primary);
    border-bottom: 1px solid var(--color-border-primary);
}

.trust-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.trust-headline {
    font-family: var(--font-headline);
    font-size: clamp(var(--text-xl), 3vw, var(--text-4xl));
    letter-spacing: 0.05em;
    margin-bottom: var(--space-6);
}

.trust-description {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.trust-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.metric-item {
    text-align: center;
    padding: var(--space-6);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-md);
}

.metric-value {
    font-family: var(--font-headline);
    font-size: var(--text-3xl);
    color: var(--color-accent-primary);
    margin-bottom: var(--space-2);
}

.metric-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    color: var(--color-text-tertiary);
}

@media (max-width: 1024px) {
    .trust-content {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    position: relative;
    padding: var(--space-32) 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.cta-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, var(--color-accent-glow), transparent 60%);
    filter: blur(60px);
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.15em;
    color: var(--color-accent-primary);
    background-color: var(--color-accent-subtle);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-8);
}

.cta-headline {
    font-family: var(--font-headline);
    font-size: clamp(var(--text-2xl), 4vw, var(--text-5xl));
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.cta-text {
    font-family: var(--font-subheader);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-10);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-bg-secondary);
    padding: var(--space-16) 0 var(--space-8);
    border-top: 1px solid var(--color-border-primary);
}

.footer .container {
    max-width: 1100px;
}

.footer-main {
    display: flex;
    justify-content: space-between;
    gap: var(--space-16);
    margin-bottom: var(--space-12);
}

.footer-brand {
    flex: 0 0 220px;
    max-width: 220px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-4);
}

.footer-logo .logo-img {
    height: 24px;
    width: auto;
}

.footer-tagline {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    line-height: 1.5;
}

.footer-links {
    display: flex;
    gap: var(--space-12);
}

.footer-column {
    min-width: 120px;
}

.footer-column h4 {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.15em;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-column a {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    transition: color var(--transition-base);
    white-space: nowrap;
}

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

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border-secondary);
    gap: var(--space-5);
}

.footer-security {
    display: flex;
    gap: var(--space-6);
}

.security-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.security-badge svg {
    width: 16px;
    height: 16px;
    color: var(--color-success);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-primary);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.social-link:hover {
    color: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    background: var(--color-accent-subtle);
    transform: translateY(-2px);
}

.social-link svg {
    width: 16px;
    height: 16px;
}

.footer-copyright-section {
    text-align: center;
}

.footer-copyright {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.footer-rights {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

/* Footer Responsive */
@media (max-width: 900px) {
    .footer-main {
        flex-direction: column;
        gap: var(--space-10);
    }
    
    .footer-brand {
        flex: none;
        max-width: 100%;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--space-8);
    }
    
    .footer-column {
        min-width: 100px;
        text-align: center;
    }
}

@media (max-width: 600px) {
    .footer-links {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }
    
    .footer-column {
        text-align: left;
    }

    .footer-language-column {
        grid-column: span 2;
    }
    
    .footer-security {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-social {
        flex-wrap: wrap;
        justify-content: center;
    }
}