/* ==========================================================================
   ORZATTY RESEARCH - ESTILOS
   Material Design 3 + Cupertino + Liquid Glass
   ========================================================================== */

/* --------------------------------------------------------------------------
   VARIABLES - MATERIAL DESIGN 3 + DEEPTECH PALETTE
   -------------------------------------------------------------------------- */
:root {
    /* Primary - Deep Tech Purple/Blue */
    --md-sys-color-primary: #6750A4;
    --md-sys-color-on-primary: #FFFFFF;
    --md-sys-color-primary-container: #EADDFF;
    --md-sys-color-on-primary-container: #21005D;
    
    /* Secondary - Cyan/Tech Blue */
    --md-sys-color-secondary: #625B71;
    --md-sys-color-on-secondary: #FFFFFF;
    --md-sys-color-secondary-container: #E8DEF8;
    --md-sys-color-on-secondary-container: #1D192B;
    
    /* Tertiary - Electric Blue */
    --md-sys-color-tertiary: #7D5260;
    --md-sys-color-on-tertiary: #FFFFFF;
    --md-sys-color-tertiary-container: #FFD8E4;
    --md-sys-color-on-tertiary-container: #31111D;

    /* Surface & Background - Cupertino Light */
    --md-sys-color-surface: #FEFBFF;
    --md-sys-color-on-surface: #1C1B1F;
    --md-sys-color-surface-variant: #E7E0EC;
    --md-sys-color-on-surface-variant: #49454F;
    --md-sys-color-surface-container: #F3EDF7;
    --md-sys-color-surface-container-high: #ECE6F0;
    --md-sys-color-surface-container-highest: #E6E0E9;

    /* Background */
    --md-sys-color-background: #FEFBFF;
    --md-sys-color-on-background: #1C1B1F;

    /* Outline */
    --md-sys-color-outline: #79747E;
    --md-sys-color-outline-variant: #CAC4D0;

    /* Error */
    --md-sys-color-error: #B3261E;
    --md-sys-color-on-error: #FFFFFF;
    --md-sys-color-error-container: #F9DEDC;
    --md-sys-color-on-error-container: #410E0B;

    /* Inverse */
    --md-sys-color-inverse-surface: #313033;
    --md-sys-color-inverse-on-surface: #F4EFF4;
    --md-sys-color-inverse-primary: #D0BCFF;

    /* Elevation Shadows - MD3 */
    --md-sys-elevation-1: 0px 1px 2px rgba(0, 0, 0, 0.3), 0px 1px 3px 1px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-2: 0px 1px 2px rgba(0, 0, 0, 0.3), 0px 2px 6px 2px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-3: 0px 4px 8px 3px rgba(0, 0, 0, 0.15), 0px 1px 3px rgba(0, 0, 0, 0.3);
    --md-sys-elevation-4: 0px 6px 10px 4px rgba(0, 0, 0, 0.15), 0px 2px 3px rgba(0, 0, 0, 0.3);
    --md-sys-elevation-5: 0px 8px 12px 6px rgba(0, 0, 0, 0.15), 0px 4px 4px rgba(0, 0, 0, 0.3);

    /* Typography - SF Pro / Inter */
    --md-sys-typescale-display-large: 57px;
    --md-sys-typescale-display-medium: 45px;
    --md-sys-typescale-display-small: 36px;
    --md-sys-typescale-headline-large: 32px;
    --md-sys-typescale-headline-medium: 28px;
    --md-sys-typescale-headline-small: 24px;
    --md-sys-typescale-title-large: 22px;
    --md-sys-typescale-title-medium: 16px;
    --md-sys-typescale-title-small: 14px;
    --md-sys-typescale-body-large: 16px;
    --md-sys-typescale-body-medium: 14px;
    --md-sys-typescale-body-small: 12px;
    --md-sys-typescale-label-large: 14px;
    --md-sys-typescale-label-medium: 12px;
    --md-sys-typescale-label-small: 11px;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 96px;

    /* Border Radius - Cupertino */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 28px;
    --radius-3xl: 32px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.175, 0.885, 0.32, 1.275);

    /* Liquid Glass */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-blur: 20px;
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);

    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, #6750A4 0%, #7C4DFF 50%, #00B4D8 100%);
    --gradient-hero: linear-gradient(135deg, #1C1B1F 0%, #6750A4 50%, #00B4D8 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    background-color: var(--md-sys-color-background);
    color: var(--md-sys-color-on-background);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --------------------------------------------------------------------------
   TYPOGRAPHY
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: var(--md-sys-typescale-display-large); }
h2 { font-size: var(--md-sys-typescale-display-medium); }
h3 { font-size: var(--md-sys-typescale-headline-large); }
h4 { font-size: var(--md-sys-typescale-headline-medium); }

p {
    font-size: var(--md-sys-typescale-body-large);
    color: var(--md-sys-color-on-surface-variant);
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* --------------------------------------------------------------------------
   UTILITIES
   -------------------------------------------------------------------------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

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

/* --------------------------------------------------------------------------
   LIQUID GLASS NAVIGATION
   -------------------------------------------------------------------------- */
.liquid-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: all var(--transition-base);
}

.liquid-nav.scrolled {
    background: rgba(255, 255, 255, 0.8);
    box-shadow: var(--md-sys-elevation-2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 18px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.logo-text {
    color: var(--md-sys-color-on-surface);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--md-sys-color-on-surface);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--md-sys-color-primary);
    transition: width var(--transition-base);
}

.nav-links a:hover {
    color: var(--md-sys-color-primary);
}

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

.nav-cta {
    background: linear-gradient(135deg, #6750A4 0%, #7C4DFF 100%);
    color: white !important;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition-base) !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--md-sys-elevation-3);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--md-sys-color-on-surface);
    transition: all var(--transition-fast);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    z-index: 999;
    padding: var(--spacing-4xl) var(--spacing-xl);
}

.mobile-menu.active {
    display: block;
}

.mobile-nav-links {
    list-style: none;
    text-align: center;
}

.mobile-nav-links li {
    margin-bottom: var(--spacing-xl);
}

.mobile-nav-links a {
    font-size: var(--md-sys-typescale-headline-small);
    color: white;
}

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

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

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: #6750A4;
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: #7C4DFF;
    bottom: -100px;
    left: -100px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: #00B4D8;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(0, 50px) scale(1); }
    75% { transform: translate(-50px, -25px) scale(0.9); }
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-2xl);
}

.hero-badge {
    display: inline-block;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: var(--md-sys-typescale-label-medium);
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--md-sys-color-on-surface);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: clamp(40px, 8vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: clamp(18px, 2.5vw, 22px);
    color: var(--md-sys-color-on-surface-variant);
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-3xl);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

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

.stat-number {
    display: block;
    font-size: var(--md-sys-typescale-display-medium);
    font-weight: 700;
    color: var(--md-sys-color-primary);
    line-height: 1;
}

.stat-label {
    font-size: var(--md-sys-typescale-body-medium);
    color: var(--md-sys-color-on-surface-variant);
    margin-top: var(--spacing-xs);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--md-sys-color-on-surface-variant);
    font-size: var(--md-sys-typescale-label-small);
    animation: bounce 2s infinite;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--md-sys-color-on-surface-variant);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--md-sys-color-on-surface-variant);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(10px); }
}

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

/* --------------------------------------------------------------------------
   BUTTONS
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-full);
    font-size: var(--md-sys-typescale-label-large);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--md-sys-color-on-primary);
    box-shadow: var(--md-sys-elevation-2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--md-sys-elevation-3);
}

.btn-secondary {
    background: transparent;
    color: var(--md-sys-color-on-surface);
    border: 2px solid var(--md-sys-color-outline);
}

.btn-secondary:hover {
    background: var(--md-sys-color-surface-container);
    border-color: var(--md-sys-color-primary);
}

.btn-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    color: var(--md-sys-color-on-surface);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   SECTIONS
   -------------------------------------------------------------------------- */
section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    font-size: var(--md-sys-typescale-label-medium);
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--md-sys-color-primary);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    color: var(--md-sys-color-on-surface);
    margin-bottom: var(--spacing-md);
}

.section-desc {
    font-size: var(--md-sys-typescale-body-large);
    color: var(--md-sys-color-on-surface-variant);
}

/* --------------------------------------------------------------------------
   RESEARCH FOCUS SECTION
   -------------------------------------------------------------------------- */
.research-focus {
    background: var(--md-sys-color-surface);
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.focus-card {
    background: var(--md-sys-color-surface-container);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-base);
    border: 1px solid var(--md-sys-color-outline-variant);
}

.focus-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--md-sys-elevation-4);
    border-color: var(--md-sys-color-primary);
}

.focus-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.focus-card h3 {
    font-size: var(--md-sys-typescale-headline-small);
    margin-bottom: var(--spacing-md);
    color: var(--md-sys-color-on-surface);
}

.focus-card p {
    font-size: var(--md-sys-typescale-body-medium);
    margin-bottom: var(--spacing-lg);
}

.focus-list {
    list-style: none;
}

.focus-list li {
    font-size: var(--md-sys-typescale-body-medium);
    color: var(--md-sys-color-on-surface-variant);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
}

.focus-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--md-sys-color-primary);
}

/* --------------------------------------------------------------------------
   RESEARCH AREAS SECTION
   -------------------------------------------------------------------------- */
.research-areas {
    background: var(--md-sys-color-background);
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.area-card {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    min-height: 300px;
    background: var(--md-sys-color-surface-container);
    border: 1px solid var(--md-sys-color-outline-variant);
    transition: all var(--transition-base);
}

.area-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--md-sys-elevation-4);
}

.area-bg {
    position: absolute;
    inset: 0;
    opacity: 0.1;
    transition: opacity var(--transition-base);
}

.area-ai .area-bg {
    background: linear-gradient(135deg, #6750A4, #7C4DFF);
}

.area-ml .area-bg {
    background: linear-gradient(135deg, #00B4D8, #0096C7);
}

.area-quantum .area-bg {
    background: linear-gradient(135deg, #7C3AED, #A855F7);
}

.area-opt .area-bg {
    background: linear-gradient(135deg, #059669, #10B981);
}

.area-card:hover .area-bg {
    opacity: 0.2;
}

.area-content {
    position: relative;
    z-index: 1;
    padding: var(--spacing-2xl);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.area-number {
    font-size: var(--md-sys-typescale-display-small);
    font-weight: 700;
    color: var(--md-sys-color-outline);
    margin-bottom: var(--spacing-md);
}

.area-card h3 {
    font-size: var(--md-sys-typescale-headline-medium);
    color: var(--md-sys-color-on-surface);
    margin-bottom: var(--spacing-md);
}

.area-desc {
    font-size: var(--md-sys-typescale-body-medium);
    color: var(--md-sys-color-on-surface-variant);
    flex-grow: 1;
    margin-bottom: var(--spacing-lg);
}

.area-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.area-tags span {
    font-size: var(--md-sys-typescale-label-small);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(103, 80, 164, 0.1);
    color: var(--md-sys-color-primary);
    border-radius: var(--radius-full);
}

.area-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--md-sys-typescale-label-medium);
    color: var(--md-sys-color-on-surface-variant);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--md-sys-color-outline);
}

.status-dot.active {
    background: #10B981;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.status-dot.exploring {
    background: #F59E0B;
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
}

/* --------------------------------------------------------------------------
   METHODOLOGY SECTION
   -------------------------------------------------------------------------- */
.methodology {
    background: var(--md-sys-color-surface);
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.method-card {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--md-sys-color-surface-container);
    border-radius: var(--radius-xl);
    border: 1px solid var(--md-sys-color-outline-variant);
    transition: all var(--transition-base);
}

.method-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--md-sys-elevation-3);
}

.method-step {
    font-size: var(--md-sys-typescale-display-small);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.method-card h3 {
    font-size: var(--md-sys-typescale-title-large);
    color: var(--md-sys-color-on-surface);
    margin-bottom: var(--spacing-sm);
}

.method-card p {
    font-size: var(--md-sys-typescale-body-medium);
}

/* --------------------------------------------------------------------------
   TIMELINE SECTION
   -------------------------------------------------------------------------- */
.timeline-section {
    background: var(--md-sys-color-background);
}

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

.timeline-item {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 40px;
    flex-shrink: 0;
}

.marker-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--md-sys-color-outline);
    border: 3px solid var(--md-sys-color-surface);
    box-shadow: var(--md-sys-elevation-1);
}

.marker-dot.active {
    background: var(--md-sys-color-primary);
}

.marker-line {
    width: 2px;
    flex-grow: 1;
    background: var(--md-sys-color-outline-variant);
    margin-top: var(--spacing-sm);
}

.timeline-item:last-child .marker-line {
    display: none;
}

.timeline-content {
    flex-grow: 1;
    background: var(--md-sys-color-surface-container);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--md-sys-color-outline-variant);
}

.timeline-date {
    font-size: var(--md-sys-typescale-label-medium);
    font-weight: 600;
    color: var(--md-sys-color-primary);
    margin-bottom: var(--spacing-sm);
}

.timeline-content h3 {
    font-size: var(--md-sys-typescale-title-large);
    color: var(--md-sys-color-on-surface);
    margin-bottom: var(--spacing-md);
}

.timeline-content p {
    font-size: var(--md-sys-typescale-body-medium);
    margin-bottom: var(--spacing-lg);
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.timeline-tags span {
    font-size: var(--md-sys-typescale-label-small);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--md-sys-color-surface);
    border-radius: var(--radius-full);
    color: var(--md-sys-color-on-surface-variant);
}

/* --------------------------------------------------------------------------
   TEAM SECTION
   -------------------------------------------------------------------------- */
.team-section {
    background: var(--md-sys-color-surface);
}

.team-grid {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-3xl);
}

.team-card {
    display: flex;
    gap: var(--spacing-2xl);
    background: var(--md-sys-color-surface-container);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    max-width: 700px;
    border: 1px solid var(--md-sys-color-outline-variant);
}

.team-avatar {
    flex-shrink: 0;
}

.avatar-placeholder {
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 700;
    color: white;
}

.team-info h3 {
    font-size: var(--md-sys-typescale-headline-small);
    color: var(--md-sys-color-on-surface);
    margin-bottom: var(--spacing-xs);
}

.team-role {
    font-size: var(--md-sys-typescale-body-medium);
    color: var(--md-sys-color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.team-age, .team-location {
    font-size: var(--md-sys-typescale-body-small);
    color: var(--md-sys-color-on-surface-variant);
}

.team-desc {
    font-size: var(--md-sys-typescale-body-medium);
    margin: var(--spacing-lg) 0;
}

.team-focus {
    display: flex;
    gap: var(--spacing-sm);
}

.team-focus span {
    font-size: var(--md-sys-typescale-label-small);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(103, 80, 164, 0.1);
    color: var(--md-sys-color-primary);
    border-radius: var(--radius-full);
}

.team-note {
    display: flex;
    gap: var(--spacing-xl);
    background: var(--md-sys-color-surface-container-high);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--md-sys-color-outline-variant);
}

.note-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.note-content h4 {
    font-size: var(--md-sys-typescale-title-medium);
    color: var(--md-sys-color-on-surface);
    margin-bottom: var(--spacing-sm);
}

.note-content p {
    font-size: var(--md-sys-typescale-body-medium);
}

/* --------------------------------------------------------------------------
   VISION SECTION
   -------------------------------------------------------------------------- */
.vision-section {
    background: linear-gradient(135deg, #1C1B1F 0%, #6750A4 50%, #00B4D8 100%);
    padding: var(--spacing-4xl) 0;
}

.vision-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.vision-tag {
    display: inline-block;
    font-size: var(--md-sys-typescale-label-medium);
    font-weight: 600;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-lg);
}

.vision-content h2 {
    font-size: clamp(28px, 4vw, 42px);
    color: white;
    margin-bottom: var(--spacing-xl);
}

.vision-content p {
    font-size: var(--md-sys-typescale-body-large);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

.vision-quote {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.vision-quote blockquote {
    font-size: var(--md-sys-typescale-headline-small);
    color: white;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.vision-quote cite {
    font-size: var(--md-sys-typescale-body-medium);
    color: rgba(255, 255, 255, 0.7);
}

/* --------------------------------------------------------------------------
   CONTACT SECTION
   -------------------------------------------------------------------------- */
.contact-section {
    background: var(--md-sys-color-surface);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-info h2 {
    font-size: var(--md-sys-typescale-display-medium);
    color: var(--md-sys-color-on-surface);
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    font-size: var(--md-sys-typescale-body-large);
    margin-bottom: var(--spacing-2xl);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-method {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.method-icon {
    width: 48px;
    height: 48px;
    background: var(--md-sys-color-surface-container);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--md-sys-color-primary);
    flex-shrink: 0;
}

.method-details h4 {
    font-size: var(--md-sys-typescale-title-medium);
    color: var(--md-sys-color-on-surface);
    margin-bottom: var(--spacing-xs);
}

.method-details p,
.method-details a {
    font-size: var(--md-sys-typescale-body-medium);
    color: var(--md-sys-color-on-surface-variant);
}

.cta-card {
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    color: white;
    height: fit-content;
}

.cta-card h3 {
    font-size: var(--md-sys-typescale-headline-medium);
    margin-bottom: var(--spacing-md);
}

.cta-card p {
    font-size: var(--md-sys-typescale-body-medium);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.cta-card .btn {
    background: white;
    color: var(--md-sys-color-primary);
}

.cta-card .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--md-sys-elevation-3);
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.footer {
    background: #1C1B1F;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: var(--md-sys-typescale-title-large);
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-tagline {
    font-size: var(--md-sys-typescale-body-medium);
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-col h4 {
    font-size: var(--md-sys-typescale-title-medium);
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: var(--spacing-sm);
}

.footer-col a {
    font-size: var(--md-sys-typescale-body-medium);
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: var(--md-sys-typescale-body-small);
    color: rgba(255, 255, 255, 0.5);
}

.footer-made {
    font-style: italic;
}

/* --------------------------------------------------------------------------
   RESPONSIVE DESIGN
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .areas-grid {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

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

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

    .team-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .team-note {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --md-sys-typescale-display-large: 40px;
        --md-sys-typescale-display-medium: 32px;
        --md-sys-typescale-headline-large: 28px;
    }

    .hero-content {
        padding: var(--spacing-lg);
    }

    .hero-cta {
        flex-direction: column;
    }

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

/* --------------------------------------------------------------------------
   ACCESSIBILITY
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--md-sys-color-primary);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --md-sys-color-primary: #4A148C;
        --md-sys-color-surface: #FFFFFF;
        --md-sys-color-on-surface: #000000;
    }
}