/* ============================================
   WVHY - Complete Design System Stylesheet
   Voice-First AI Companion
   ============================================ */

/* ============================================
   1. CSS CUSTOM PROPERTIES (Variables)
   ============================================ */

:root {
    /* Primary Colors - Deep Navy/Tech Theme */
    --color-deep-navy: #0A1628;
    --color-navy-800: #0d1f35;
    --color-navy-700: #152238;
    --color-navy-600: #1a2a4a;
    --color-navy-500: #243754;
    --color-navy-400: #2e4466;

    /* Accent Colors - Cyan/Teal */
    --color-accent: #00D4AA;
    --color-accent-light: #33DFB8;
    --color-accent-lighter: #66E9C7;
    --color-accent-dark: #00B391;
    --color-accent-darker: #009A7D;

    /* Feature Section Color - Deep Purple */
    --color-feature-bg: #1a0a2e;
    --color-feature-accent: #7C3AED;

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-gray-100: #F8FAFC;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;

    /* Semantic Colors */
    --color-background: var(--color-deep-navy);
    --color-surface: var(--color-navy-800);
    --color-surface-elevated: var(--color-navy-700);
    --color-text-primary: var(--color-white);
    --color-text-secondary: var(--color-gray-300);
    --color-text-muted: var(--color-gray-500);
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-light: rgba(255, 255, 255, 0.05);

    /* Typography */
    --font-display: 'Bebas Neue', 'Impact', sans-serif;
    --font-heading: 'Oswald', 'Bebas Neue', sans-serif;
    --font-body: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-accent: 'Montserrat', 'Poppins', sans-serif;

    /* 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;
    --text-9xl: 8rem;

    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.1;
    --leading-snug: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;

    /* Letter Spacing */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;
    --tracking-ultra: 0.2em;

    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;

    /* Spacing Scale */
    --space-0: 0;
    --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-14: 3.5rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-28: 7rem;
    --space-32: 8rem;
    --space-40: 10rem;
    --space-48: 12rem;
    --space-56: 14rem;
    --space-64: 16rem;

    /* Container Widths */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1440px;
    --container-max: 1600px;

    /* Border Radius */
    --radius-none: 0;
    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-3xl: 32px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.25), 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25), 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3), 0 4px 6px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.35), 0 8px 10px rgba(0, 0, 0, 0.2);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(0, 212, 170, 0.3);
    --shadow-glow-lg: 0 0 40px rgba(0, 212, 170, 0.4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-slower: 500ms ease;

    /* Z-Index Scale */
    --z-base: 0;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 300;
    --z-modal: 400;
    --z-toast: 500;
}

/* ============================================
   2. CSS RESET & BASE STYLES
   ============================================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: var(--leading-normal);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Remove default list styles */
ul, ol {
    list-style: none;
}

/* Remove default link styles */
a {
    color: inherit;
    text-decoration: none;
}

/* Remove default button styles */
button {
    font-family: inherit;
    font-size: inherit;
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
}

/* Responsive images */
img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Form elements */
input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Selection styles */
::selection {
    background-color: var(--color-accent);
    color: var(--color-deep-navy);
}

/* ============================================
   3. TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--color-text-primary);
}

h1 {
    font-size: clamp(2.5rem, 8vw, var(--text-8xl));
    letter-spacing: var(--tracking-tight);
}

h2 {
    font-size: clamp(2rem, 5vw, var(--text-5xl));
    letter-spacing: var(--tracking-wide);
}

h3 {
    font-size: clamp(1.5rem, 3vw, var(--text-3xl));
}

h4 {
    font-size: var(--text-xl);
}

p {
    margin-bottom: var(--space-4);
}

p:last-child {
    margin-bottom: 0;
}

.text-accent {
    color: var(--color-accent);
}

.section-eyebrow {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-4);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, var(--text-5xl));
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    margin-bottom: var(--space-6);
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-header .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   4. LAYOUT & CONTAINERS
   ============================================ */

.container {
    width: 100%;
    max-width: var(--container-xl);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
}

.container-narrow {
    max-width: var(--container-md);
}

.container-wide {
    max-width: var(--container-2xl);
}

section {
    position: relative;
}

/* ============================================
   5. BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-accent);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.btn-icon {
    flex-shrink: 0;
    transition: transform var(--transition-normal);
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

/* Primary Button */
.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-deep-navy);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-light);
    border-color: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-primary:active {
    background-color: var(--color-accent-dark);
    transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-text-primary);
}

.btn-secondary:hover {
    background-color: var(--color-text-primary);
    color: var(--color-deep-navy);
}

/* Tertiary Button */
.btn-tertiary {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-tertiary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-text-primary);
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

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

/* Button with Arrow */
.btn-arrow .btn-icon {
    margin-left: var(--space-1);
}

/* ============================================
   6. NAVIGATION
   ============================================ */

.nav-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background-color: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.nav-header.scrolled {
    background-color: rgba(10, 22, 40, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    position: relative;
}

.nav-left,
.nav-right {
    flex: 1;
}

.nav-right {
    display: flex;
    justify-content: flex-end;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-family: var(--font-accent);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--color-text-secondary);
    padding: var(--space-2) 0;
    position: relative;
    transition: color var(--transition-normal);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-normal);
}

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

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

/* Logo */
.nav-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    color: var(--color-text-primary);
    transition: color var(--transition-normal);
}

.nav-logo:hover {
    color: var(--color-accent);
}

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

.logo-eye {
    transition: fill var(--transition-normal);
}

.nav-logo:hover .logo-eye {
    fill: var(--color-accent-light);
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    z-index: calc(var(--z-overlay) + 1);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
.nav-mobile {
    position: fixed;
    inset: 0;
    background-color: var(--color-deep-navy);
    z-index: var(--z-overlay);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-20) var(--space-6);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.nav-mobile.active {
    opacity: 1;
    visibility: visible;
}

.nav-mobile-close {
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    padding: var(--space-2);
    color: var(--color-text-primary);
}

.nav-mobile-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-8);
}

.nav-mobile-link {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-text-primary);
    transition: color var(--transition-normal);
}

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

/* Responsive Navigation */
@media (max-width: 1023px) {
    .nav-left,
    .nav-right {
        display: none;
    }

    .nav-logo {
        position: static;
        transform: none;
    }

    .nav-toggle {
        display: flex;
    }
}

/* ============================================
   7. HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-32) 0 var(--space-16);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        var(--color-deep-navy) 0%,
        var(--color-navy-800) 50%,
        var(--color-navy-700) 100%
    );
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 170, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 170, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.hero-text {
    max-width: 600px;
}

.hero-eyebrow {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-6);
    padding: var(--space-2) var(--space-4);
    background-color: rgba(0, 212, 170, 0.1);
    border-radius: var(--radius-full);
    border: 1px solid rgba(0, 212, 170, 0.2);
}

.hero-headline {
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: var(--font-bold);
    line-height: var(--leading-none);
    letter-spacing: var(--tracking-tight);
    text-transform: uppercase;
    margin-bottom: var(--space-8);
}

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

.hero-headline-accent {
    color: var(--color-accent);
    text-shadow: 0 0 40px rgba(0, 212, 170, 0.4);
}

.hero-description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-10);
    max-width: 500px;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-device {
    position: relative;
    width: 100%;
    max-width: 600px;
}

.hero-glasses {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

/* Voice Wave Animation */
.wave-bar {
    animation: waveAnimation 1.2s ease-in-out infinite;
}

.wave-1 { animation-delay: 0s; }
.wave-2 { animation-delay: 0.1s; }
.wave-3 { animation-delay: 0.2s; }
.wave-4 { animation-delay: 0.3s; }
.wave-5 { animation-delay: 0.4s; }
.wave-6 { animation-delay: 0.3s; }
.wave-7 { animation-delay: 0.2s; }
.wave-8 { animation-delay: 0.1s; }
.wave-9 { animation-delay: 0s; }

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

/* AI Indicator Pulse */
.ai-indicator {
    animation: indicatorPulse 2s ease-in-out infinite;
}

@keyframes indicatorPulse {
    0%, 100% {
        opacity: 0.5;
        r: 4;
    }
    50% {
        opacity: 1;
        r: 6;
    }
}

/* Emotion Ring Animation */
.emotion-ring {
    animation: ringPulse 3s ease-in-out infinite;
}

.ring-1 { animation-delay: 0s; }
.ring-2 { animation-delay: 0.5s; }
.ring-3 { animation-delay: 1s; }

@keyframes ringPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.05);
    }
}

.emotion-core {
    animation: corePulse 2s ease-in-out infinite;
}

@keyframes corePulse {
    0%, 100% {
        r: 6;
    }
    50% {
        r: 8;
    }
}

/* Hero Stats */
.hero-stats {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-stat {
    position: absolute;
    background-color: rgba(10, 22, 40, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
    animation: floatStat 4s ease-in-out infinite;
}

.hero-stat-1 {
    top: 5%;
    right: 10%;
    animation-delay: 0s;
}

.hero-stat-2 {
    bottom: 25%;
    left: 5%;
    animation-delay: 1s;
}

.hero-stat-3 {
    bottom: 10%;
    right: 15%;
    animation-delay: 2s;
}

@keyframes floatStat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.hero-stat-value {
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
}

.hero-stat-number {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-accent);
    line-height: 1;
}

.hero-stat-unit {
    font-family: var(--font-accent);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-accent);
    text-transform: uppercase;
}

.hero-stat-label {
    display: block;
    font-family: var(--font-accent);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    margin-top: var(--space-1);
}

/* Scroll Indicator */
.hero-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);
    color: var(--color-text-muted);
    animation: scrollBounce 2s ease-in-out infinite;
}

.hero-scroll-text {
    font-family: var(--font-accent);
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
}

.hero-scroll-arrow {
    opacity: 0.6;
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

/* Hero Responsive */
@media (max-width: 1023px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        max-width: 100%;
        order: 1;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta-group {
        justify-content: center;
    }

    .hero-visual {
        order: 2;
        margin-top: var(--space-12);
    }

    .hero-stat-1 {
        top: 0;
        right: 0;
    }

    .hero-stat-2 {
        display: none;
    }

    .hero-stat-3 {
        bottom: 0;
        right: 0;
        left: auto;
    }
}

@media (max-width: 640px) {
    .hero {
        padding-top: var(--space-24);
    }

    .hero-headline {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }

    .hero-stats {
        display: none;
    }

    .hero-scroll-indicator {
        display: none;
    }
}

/* ============================================
   8. MARQUEE SECTION
   ============================================ */

.marquee {
    background-color: var(--color-accent);
    padding: var(--space-4) 0;
    overflow: hidden;
    white-space: nowrap;
}

.marquee-track {
    display: inline-flex;
    animation: marqueeScroll 40s linear infinite;
}

.marquee-content {
    display: inline-flex;
    align-items: center;
}

.marquee-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0 var(--space-8);
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--color-deep-navy);
}

.marquee-icon {
    font-size: var(--text-sm);
    opacity: 0.7;
}

@keyframes marqueeScroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ============================================
   9. JOURNEY SECTION
   ============================================ */

.journey-section {
    background-color: var(--color-deep-navy);
    padding: var(--space-24) 0;
    overflow: hidden;
}

.journey-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-16);
    align-items: center;
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.journey-content {
    position: relative;
}

.journey-title {
    font-size: clamp(1.75rem, 4vw, 3rem);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-8);
}

.journey-description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.journey-icon {
    position: absolute;
    bottom: -60px;
    left: 0;
    width: 80px;
    height: 80px;
    opacity: 0.8;
}

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

/* Journey Visual */
.journey-visual {
    position: relative;
}

.journey-image-container {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background-color: var(--color-navy-800);
}

.journey-image-wrapper {
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
}

.neural-viz {
    width: 100%;
    height: 100%;
}

/* Neural Network Animation */
.neural-connections .connection {
    animation: connectionPulse 2s ease-in-out infinite;
}

.connection.c1 { animation-delay: 0s; }
.connection.c2 { animation-delay: 0.1s; }
.connection.c3 { animation-delay: 0.2s; }
.connection.c4 { animation-delay: 0.15s; }
.connection.c5 { animation-delay: 0.25s; }
.connection.c6 { animation-delay: 0.35s; }

@keyframes connectionPulse {
    0%, 100% {
        opacity: 0.2;
        stroke-width: 1;
    }
    50% {
        opacity: 0.6;
        stroke-width: 2;
    }
}

.neural-layer .node {
    animation: nodePulse 3s ease-in-out infinite;
}

.node.active {
    animation: nodeActive 1.5s ease-in-out infinite;
}

@keyframes nodePulse {
    0%, 100% {
        filter: url(#neuralGlow);
    }
    50% {
        filter: url(#neuralGlow) brightness(1.2);
    }
}

@keyframes nodeActive {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.15);
    }
}

.journey-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 212, 170, 0.05) 0%,
        transparent 50%,
        rgba(0, 212, 170, 0.03) 100%
    );
    pointer-events: none;
}

/* Journey Responsive */
@media (max-width: 1023px) {
    .journey-container {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .journey-content {
        text-align: center;
    }

    .journey-icon {
        position: static;
        margin: var(--space-8) auto 0;
    }
}

/* ============================================
   10. FEATURES SECTION
   ============================================ */

.features-section {
    background-color: var(--color-navy-800);
    padding: var(--space-24) 0;
}

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

.feature-card {
    background-color: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 212, 170, 0.3);
}

.feature-card-large {
    grid-column: span 3;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-8);
    align-items: start;
}

.feature-card-icon {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    margin-bottom: var(--space-6);
}

.feature-card-large .feature-card-icon {
    margin-bottom: 0;
}

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

.feature-card-title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    margin-bottom: var(--space-4);
}

.feature-card-description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.feature-card-description:last-of-type {
    margin-bottom: 0;
}

.feature-card-list {
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

.feature-card-list li {
    position: relative;
    padding-left: var(--space-6);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.feature-card-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

/* Features Responsive */
@media (max-width: 1023px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-card-large {
        grid-column: span 2;
    }

    .feature-card-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-card-large {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }

    .feature-card-large .feature-card-icon {
        margin-bottom: var(--space-6);
    }
}

/* ============================================
   11. GALLERY SECTION
   ============================================ */

.gallery-section {
    position: relative;
    background-color: var(--color-deep-navy);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.gallery-item {
    position: relative;
    aspect-ratio: 4/5;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.gallery-visual {
    width: 100%;
    height: 100%;
}

.gallery-svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        transparent 60%,
        rgba(10, 22, 40, 0.9) 100%
    );
    display: flex;
    align-items: flex-end;
    padding: var(--space-6);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-label {
    font-family: var(--font-accent);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-text-primary);
}

/* Pulse Indicator */
.pulse-indicator {
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        opacity: 0.5;
        filter: none;
    }
    50% {
        opacity: 1;
        filter: drop-shadow(0 0 8px var(--color-accent));
    }
}

/* Gallery Navigation */
.gallery-navigation {
    position: absolute;
    bottom: var(--space-6);
    right: var(--space-6);
    display: flex;
    gap: var(--space-2);
}

.gallery-nav-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-primary);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.gallery-nav-btn:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-deep-navy);
}

/* Gallery Responsive */
@media (max-width: 1023px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-item:last-child {
        display: none;
    }
}

@media (max-width: 640px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
        padding: var(--space-4);
    }

    .gallery-item:last-child {
        display: block;
    }

    .gallery-navigation {
        position: static;
        justify-content: center;
        margin-top: var(--space-4);
    }
}

/* ============================================
   12. FEATURE CTA SECTION
   ============================================ */

.feature-cta-section {
    position: relative;
    background-color: var(--color-feature-bg);
    padding: var(--space-32) 0;
    overflow: hidden;
}

.feature-cta-background {
    position: absolute;
    inset: 0;
}

.feature-cta-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 212, 170, 0.1) 0%, transparent 50%);
}

.feature-cta-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.feature-cta-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-8);
    color: var(--color-accent);
}

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

.feature-cta-eyebrow {
    color: var(--color-accent);
}

.feature-cta-title {
    font-size: clamp(2rem, 6vw, 4rem);
    margin-bottom: var(--space-8);
}

.feature-cta-description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.feature-cta-description:last-of-type {
    margin-bottom: var(--space-10);
}

/* ============================================
   13. STATS SECTION
   ============================================ */

.stats-section {
    background-color: var(--color-navy-800);
    padding: var(--space-24) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.stat-card {
    background-color: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    text-align: center;
    transition: border-color var(--transition-normal);
}

.stat-card:hover {
    border-color: rgba(0, 212, 170, 0.3);
}

.stat-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-1);
    margin-bottom: var(--space-2);
}

.stat-number {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    color: var(--color-accent);
    line-height: 1;
}

.stat-unit {
    font-family: var(--font-accent);
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--color-accent);
    text-transform: uppercase;
}

.stat-label {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.stat-description {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: var(--leading-relaxed);
}

/* Stats Responsive */
@media (max-width: 1023px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

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

/* ============================================
   14. ABOUT SECTION
   ============================================ */

.about-section {
    background-color: var(--color-deep-navy);
    padding: var(--space-24) 0;
}

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

.about-content {
    max-width: 600px;
}

.about-text {
    margin-bottom: var(--space-12);
}

.about-text p {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.about-values {
    display: grid;
    gap: var(--space-8);
}

.about-value {
    padding-left: var(--space-6);
    border-left: 2px solid var(--color-accent);
}

.about-value-title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-2);
}

.about-value-description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

/* About Visual */
.about-visual {
    position: sticky;
    top: var(--space-24);
}

.about-visual-container {
    border-radius: var(--radius-xl);
    overflow: hidden;
    background-color: var(--color-navy-800);
}

.about-illustration {
    width: 100%;
    height: auto;
}

/* About Ring Animation */
.about-ring {
    animation: aboutRingPulse 4s ease-in-out infinite;
    transform-origin: center;
}

.r1 { animation-delay: 0s; }
.r2 { animation-delay: 0.5s; }
.r3 { animation-delay: 1s; }
.r4 { animation-delay: 1.5s; }
.r5 { animation-delay: 2s; }

@keyframes aboutRingPulse {
    0%, 100% {
        opacity: 0.1;
        transform: scale(1);
    }
    50% {
        opacity: 0.3;
        transform: scale(1.02);
    }
}

.about-wave {
    animation: aboutWavePulse 2s ease-in-out infinite;
}

.w1 { animation-delay: 0s; }
.w2 { animation-delay: 0.3s; }
.w3 { animation-delay: 0.6s; }

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

.emotion-node {
    animation: emotionNodePulse 3s ease-in-out infinite;
}

.en1 { animation-delay: 0s; }
.en2 { animation-delay: 0.5s; }
.en3 { animation-delay: 1s; }
.en4 { animation-delay: 1.5s; }
.en5 { animation-delay: 2s; }
.en6 { animation-delay: 2.5s; }

@keyframes emotionNodePulse {
    0%, 100% {
        opacity: 0.4;
        r: 6;
    }
    50% {
        opacity: 0.8;
        r: 8;
    }
}

/* About Responsive */
@media (max-width: 1023px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .about-visual {
        position: static;
        order: -1;
    }
}

/* ============================================
   15. HOW IT WORKS SECTION
   ============================================ */

.how-section {
    background-color: var(--color-navy-800);
    padding: var(--space-24) 0;
}

.how-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
}

.how-step {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-8);
    align-items: start;
    padding: var(--space-8);
    background-color: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: border-color var(--transition-normal);
}

.how-step:hover {
    border-color: rgba(0, 212, 170, 0.3);
}

.how-step-number {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    color: var(--color-accent);
    line-height: 1;
    opacity: 0.5;
}

.how-step-content {
    max-width: 600px;
}

.how-step-title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    margin-bottom: var(--space-4);
}

.how-step-description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.how-step-description:last-child {
    margin-bottom: 0;
}

.how-step-visual {
    width: 200px;
    flex-shrink: 0;
}

.how-step-visual svg {
    width: 100%;
    height: auto;
}

/* How Section Responsive */
@media (max-width: 1023px) {
    .how-step {
        grid-template-columns: auto 1fr;
    }

    .how-step-visual {
        grid-column: span 2;
        width: 100%;
        max-width: 300px;
        margin: var(--space-4) auto 0;
    }
}

@media (max-width: 640px) {
    .how-step {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .how-step-number {
        font-size: var(--text-4xl);
    }

    .how-step-visual {
        grid-column: 1;
    }
}

/* ============================================
   16. TRACEABLE SECTION
   ============================================ */

.traceable-section {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-24) var(--space-6);
    overflow: hidden;
}

.traceable-background {
    position: absolute;
    inset: 0;
}

.traceable-bg-svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.traceable-content {
    position: relative;
    text-align: center;
    max-width: 700px;
}

.traceable-eyebrow {
    color: var(--color-accent);
}

.traceable-title {
    font-size: clamp(2.5rem, 7vw, 5rem);
    margin-bottom: var(--space-6);
}

.traceable-description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-10);
}

/* ============================================
   17. CONTACT SECTION
   ============================================ */

.contact-section {
    background-color: var(--color-deep-navy);
    padding: var(--space-24) 0;
}

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

.contact-info {
    max-width: 500px;
}

.contact-description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-10);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
}

.contact-detail-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 212, 170, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-accent);
    flex-shrink: 0;
}

.contact-detail-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.contact-detail-label {
    font-family: var(--font-accent);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.contact-detail-value {
    font-size: var(--text-base);
    color: var(--color-text-primary);
    line-height: var(--leading-normal);
    transition: color var(--transition-normal);
}

a.contact-detail-value:hover {
    color: var(--color-accent);
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

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

.form-label {
    font-family: var(--font-accent);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-text-secondary);
}

.form-input {
    width: 100%;
    padding: var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text-primary);
    background-color: var(--color-surface-elevated);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

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

.form-input:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.15);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    padding-right: var(--space-12);
    cursor: pointer;
}

.form-textarea {
    min-height: 140px;
    resize: vertical;
}

.form-checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: var(--space-3);
}

.form-checkbox {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-surface-elevated);
    cursor: pointer;
    transition: all var(--transition-normal);
    flex-shrink: 0;
}

.form-checkbox:checked {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%230A1628' stroke-width='3'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.form-checkbox-label {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
}

.form-submit {
    margin-top: var(--space-4);
    width: 100%;
}

/* Contact Responsive */
@media (max-width: 1023px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .contact-info {
        max-width: 100%;
        text-align: center;
    }

    .contact-details {
        align-items: center;
    }

    .contact-detail {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* ============================================
   18. FOOTER
   ============================================ */

.footer {
    background-color: var(--color-navy-800);
    padding: var(--space-16) 0 var(--space-8);
    border-top: 1px solid var(--color-border);
}

.footer-brand {
    text-align: center;
    margin-bottom: var(--space-12);
}

.footer-logo {
    width: 100%;
    max-width: 400px;
    height: auto;
    margin: 0 auto;
}

.footer-legal {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

.footer-copyright {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

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

.footer-legal-link {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-normal);
}

.footer-legal-link:hover {
    color: var(--color-accent);
}

/* Footer Responsive */
@media (max-width: 640px) {
    .footer-legal {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

/* ============================================
   19. UTILITIES
   ============================================ */

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

.animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   20. PRINT STYLES
   ============================================ */

@media print {
    .nav-header,
    .hero-scroll-indicator,
    .gallery-navigation,
    .nav-mobile {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .hero {
        min-height: auto;
        padding: 2rem 0;
    }

    a {
        text-decoration: underline;
    }
}