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

:root {
    /* Darker Elegant Color Palette */
    --primary: #e06c4f;
    --primary-dark: #c75739;
    --primary-light: #ef8c73;
    --secondary: #1a1a1a;
    --accent: #e06c4f;
    --success: #6ba583;
    --warning: #f4a261;

    --bg-primary: #1a1a1a;
    --bg-secondary: #252525;
    --bg-card: #2a2a2a;
    --bg-card-hover: #303030;

    --text-primary: #f5f5f5;
    --text-secondary: #b8b8b8;
    --text-muted: #8a8a8a;

    --border-subtle: rgba(255, 255, 255, 0.12);
    --border-light: rgba(255, 255, 255, 0.06);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;

    /* Typography - Anthropic style */
    --font-serif: 'Tiempos Text', 'Georgia', 'Garamond', 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Fira Code', monospace;

    /* Fluid Typography */
    --text-xs: clamp(0.75rem, 0.5vw + 0.65rem, 0.875rem);
    --text-sm: clamp(0.875rem, 0.5vw + 0.775rem, 1rem);
    --text-base: clamp(1rem, 0.5vw + 0.9rem, 1.125rem);
    --text-lg: clamp(1.125rem, 0.75vw + 0.95rem, 1.5rem);
    --text-xl: clamp(1.5rem, 1vw + 1.25rem, 2rem);
    --text-2xl: clamp(2rem, 1.5vw + 1.6rem, 3rem);
    --text-3xl: clamp(2.5rem, 2vw + 2rem, 4rem);
    --text-4xl: clamp(3rem, 3vw + 2.2rem, 5rem);

    /* Transitions */
    --transition: all 0.2s ease;
    --transition-slow: all 0.4s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    font-size: var(--text-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1.25rem 0;
    transition: var(--transition);
    /* Safari iOS fixes */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

.navbar.scrolled {
    padding: 1rem 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    position: relative;
    z-index: 1001;
}

.nav-brand .logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1002;
    text-decoration: none;
    transition: var(--transition);
}

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

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

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-sm);
    transition: var(--transition);
    padding: 0.5rem 0.75rem;
}

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

.nav-menu a.btn-primary {
    color: var(--bg-primary);
    padding: 0.75rem 1.5rem;
    background: var(--text-primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 0.4rem;
    cursor: pointer;
    padding: 0.5rem;
    position: relative;
    z-index: 1002;
    -webkit-tap-highlight-color: transparent;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    background: var(--bg-primary);
}

.hero-background {
    display: none; /* Remove animated background for cleaner look */
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
    font-size: var(--text-sm);
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.badge-icon {
    font-size: 1.1rem;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: var(--text-4xl);
    font-weight: 400;
    line-height: 1.15;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

.hero-title strong {
    font-weight: 400;
}

.gradient-text {
    color: var(--text-primary);
    position: relative;
    font-weight: 400;
}

.highlight {
    color: var(--primary);
    text-decoration: underline;
    text-decoration-color: var(--primary);
    text-decoration-thickness: 3px;
    text-underline-offset: 6px;
    font-style: italic;
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-weight: 400;
    max-width: 600px;
}

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

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

.scroll-indicator {
    display: none; /* Hide for cleaner Anthropic-style design */
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
    border-radius: 6px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    border: 2px solid var(--text-primary);
    font-weight: 600;
}

.btn-primary:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(224, 108, 79, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-subtle);
    font-weight: 600;
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--text-secondary);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: var(--text-base);
}

.btn-full {
    width: 100%;
}

/* Section Styles */
section {
    padding: var(--spacing-xxl) 0;
    position: relative;
    background: var(--bg-primary);
}

.section-header {
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
}

.section-label {
    display: inline-block;
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: var(--text-xs);
    margin-bottom: var(--spacing-sm);
    padding: 0.25rem 0.75rem;
    background: rgba(224, 108, 79, 0.08);
    border-radius: 4px;
}

.section-header h2 {
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

.section-header p {
    color: var(--text-secondary);
    font-size: var(--text-base);
    max-width: 600px;
    line-height: 1.7;
}

/* Services Section */
.services {
    background: var(--bg-secondary);
}

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

.service-card {
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: var(--transition-slow);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(224, 108, 79, 0.3);
}

.service-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.service-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
    stroke-width: 1.5;
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.service-card > p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-sm);
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-muted);
    border-top: 1px solid var(--border-light);
    font-size: var(--text-sm);
}

.service-features li:first-child {
    border-top: none;
}

/* Technologies Section */
.technologies {
    background: var(--bg-primary);
}

.tech-categories {
    display: grid;
    gap: var(--spacing-lg);
}

.tech-category {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.tech-category-title {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
}

.category-icon {
    font-size: 1.5rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-sm);
}

.tech-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.tech-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-subtle);
    transform: scale(1.02);
}

.tech-logo {
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--primary);
}

.tech-item span {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    text-align: center;
}

/* Project Section */
.project {
    background: var(--bg-secondary);
}

.project-stats {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: flex-start;
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
}

.project-stats .stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.project-stats .stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--primary);
}

.project-stats .stat-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.project-content {
    display: grid;
    gap: var(--spacing-md);
}

.project-main {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-md);
    align-items: start;
}

.project-image {
    position: relative;
}

.project-visual {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--spacing-md);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.visual-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    width: 100%;
    max-width: 300px;
}

.visual-block {
    aspect-ratio: 1;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    animation: pulse 3s ease-in-out infinite;
}

.visual-block.highlight {
    background: var(--primary);
    box-shadow: 0 0 20px rgba(217, 119, 87, 0.3);
}

.visual-block:nth-child(1) { animation-delay: 0s; }
.visual-block:nth-child(2) { animation-delay: 0.5s; }
.visual-block:nth-child(3) { animation-delay: 1s; }
.visual-block:nth-child(4) { animation-delay: 1.5s; }
.visual-block:nth-child(5) { animation-delay: 2s; }
.visual-block:nth-child(6) { animation-delay: 2.5s; }

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

.visual-overlay {
    position: absolute;
    bottom: var(--spacing-sm);
    left: var(--spacing-sm);
}

.visual-label {
    background: var(--secondary);
    color: var(--bg-primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
}

.project-info h3 {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    font-size: var(--text-base);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.project-highlights {
    display: grid;
    gap: var(--spacing-sm);
}

.highlight-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    border-left: 3px solid var(--primary);
}

.highlight-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.highlight-item strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    font-weight: 600;
}

.highlight-item p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.project-result {
    margin-top: var(--spacing-md);
}

.result-box {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.result-box h4 {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    color: var(--primary);
}

.result-box p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.result-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.metric {
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
}

.metric-value {
    display: block;
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 400;
    color: var(--primary);
}

.metric-label {
    display: block;
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Architecture Section */
.architecture {
    background: var(--bg-primary);
}

.architecture-content {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.architecture-diagram {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.arch-layer {
    margin-bottom: var(--spacing-md);
}

.arch-layer h4 {
    text-align: center;
    color: var(--primary);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--spacing-sm);
}

.arch-boxes {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.arch-boxes.multi {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.arch-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: var(--spacing-sm);
    text-align: center;
    flex: 1;
    min-width: 150px;
    transition: var(--transition);
}

.arch-box:hover {
    background: var(--bg-card-hover);
    transform: scale(1.02);
    box-shadow: 0 2px 10px rgba(19, 19, 20, 0.05);
}

.arch-box.primary {
    background: var(--bg-card);
    border-color: var(--primary);
    border-width: 2px;
}

.arch-box strong {
    display: block;
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.arch-box span {
    display: block;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.arch-arrow {
    text-align: center;
    font-size: 2rem;
    color: var(--primary);
    margin: var(--spacing-sm) 0;
}

.architecture-features {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.architecture-features h3 {
    font-family: var(--font-serif);
    text-align: center;
    font-size: var(--text-2xl);
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: var(--spacing-sm);
    transition: var(--transition);
}

.feature-item:hover {
    background: var(--bg-card-hover);
    box-shadow: 0 2px 10px rgba(19, 19, 20, 0.05);
}

.feature-icon {
    font-size: 2rem;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.feature-item h4 {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.feature-item ul {
    list-style: none;
    display: grid;
    gap: 0.5rem;
}

.feature-item li {
    padding: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    border-left: 2px solid var(--primary);
}

/* About Section */
.about {
    background: var(--bg-primary);
}

.about-content {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.about-hero {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.about-photo {
    position: relative;
}

.about-photo img {
    width: 100%;
    max-width: 280px;
    height: auto;
    border-radius: 12px;
    border: 3px solid var(--primary);
    box-shadow: 0 4px 16px rgba(224, 108, 79, 0.2);
    transition: var(--transition-slow);
}

.about-photo img:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(224, 108, 79, 0.3);
}

.about-intro-text {
    display: flex;
    align-items: center;
}

.about-intro-text .lead {
    font-size: var(--text-lg);
    color: var(--text-primary);
    margin: 0;
    font-weight: 500;
    line-height: 1.6;
}

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

.about-main {
    display: grid;
    gap: var(--spacing-lg);
}

.about-intro {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.about-intro .lead {
    font-size: var(--text-lg);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    line-height: 1.6;
}

.about-intro p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.about-intro p:last-child {
    margin-bottom: 0;
}

.about-intro strong {
    color: var(--primary);
    font-weight: 600;
}

.about-credentials {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.about-credentials h3 {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.credentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-sm);
}

.credential-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    transition: var(--transition);
}

.credential-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-subtle);
    transform: translateY(-2px);
}

.credential-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
}

.credential-item strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    font-weight: 600;
    font-size: var(--text-base);
}

.credential-item p {
    color: var(--text-muted);
    font-size: var(--text-sm);
    margin: 0;
}

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

.stat-box {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition);
}

.stat-box:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(224, 108, 79, 0.2);
}

.stat-box .stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    font-weight: 400;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-box .stat-label {
    display: block;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.about-journey {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.about-journey h3 {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.journey-timeline {
    display: grid;
    gap: var(--spacing-sm);
}

.timeline-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    border-left: 3px solid var(--text-muted);
    transition: var(--transition);
}

.timeline-item:hover {
    background: var(--bg-card-hover);
    border-left-color: var(--primary);
}

.timeline-item.highlight {
    border-left-color: var(--primary);
    border-left-width: 4px;
    background: var(--bg-card-hover);
}

.timeline-year {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--primary);
    display: flex;
    align-items: center;
}

.timeline-content strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    font-weight: 600;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin: 0;
}

/* Contact Section */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.contact-info h2 {
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: var(--text-base);
    line-height: 1.7;
}

.contact-details {
    display: grid;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 8px;
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-item strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    font-weight: 600;
}

.contact-item a {
    color: var(--primary);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.cta-box {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.cta-box h3 {
    font-family: var(--font-serif);
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.cta-box ul {
    list-style: none;
    display: grid;
    gap: 0.5rem;
}

.cta-box li {
    color: var(--text-secondary);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.contact-form {
    display: grid;
    gap: 1.25rem;
}

.form-group {
    display: grid;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--text-sm);
}

.form-group input,
.form-group textarea {
    padding: 0.875rem;
    background: #2a2a2a;
    border: 2px solid var(--border-subtle);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #888888;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: #303030;
    box-shadow: 0 0 0 3px rgba(224, 108, 79, 0.15);
}

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

.optional-label {
    color: var(--text-muted);
    font-weight: 400;
    font-size: var(--text-xs);
}

/* Contact Form Submit Button */
.contact-form .btn-primary {
    background: var(--primary);
    color: white;
    border: 2px solid var(--primary);
    font-weight: 600;
    padding: 1rem 2rem;
    font-size: var(--text-base);
    margin-top: var(--spacing-sm);
}

.contact-form .btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(224, 108, 79, 0.4);
}

.contact-form .btn-primary:active {
    transform: translateY(0);
}

/* Footer */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-subtle);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-brand .logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-brand p {
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    font-size: var(--text-sm);
    max-width: 400px;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.footer-column h4 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
}

.footer-column ul {
    list-style: none;
    display: grid;
    gap: 0.5rem;
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-size: var(--text-sm);
}

/* Responsive Design */
@media (max-width: 968px) {
    .project-main {
        grid-template-columns: 1fr;
    }

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

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

    /* About section mobile adjustments */
    .about-hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-photo {
        margin: 0 auto;
    }

    .about-photo img {
        max-width: 200px;
    }

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

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

    .timeline-item {
        grid-template-columns: 100px 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        width: 100%;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
        border-bottom: 1px solid var(--border-subtle);
        box-shadow: 0 4px 20px rgba(19, 19, 20, 0.1);
        z-index: 999;
        /* Safari iOS fixes */
        -webkit-transform: translateY(-100%);
        -webkit-transition: -webkit-transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
        will-change: transform, opacity;
        -webkit-overflow-scrolling: touch;
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-stats {
        gap: var(--spacing-md);
    }

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

    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }

    .result-metrics {
        grid-template-columns: 1fr;
    }

    /* About section tablet adjustments */
    .about-hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-photo {
        margin: 0 auto;
    }

    .about-photo img {
        max-width: 220px;
    }

    .timeline-item {
        grid-template-columns: 80px 1fr;
        font-size: var(--text-sm);
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn {
        width: 100%;
    }

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

    /* Optimize contact form for mobile */
    .contact-form .btn-primary {
        padding: 1.125rem 2rem;
        font-size: 1rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 1rem;
        font-size: 1rem;
    }
}

/* Legal Pages (Impressum, Datenschutz) */
.legal-page {
    background: var(--bg-primary);
    padding: calc(var(--spacing-xxl) + 80px) 0 var(--spacing-xl);
    min-height: 100vh;
}

.legal-content {
    max-width: 900px;
    margin: 0 auto;
}

.legal-content h1 {
    font-family: var(--font-serif);
    font-size: var(--text-4xl);
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
    color: var(--primary);
    letter-spacing: -0.025em;
}

.legal-content h2 {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    font-weight: 400;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-subtle);
    padding-bottom: 0.5rem;
}

.legal-content h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.legal-intro {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-left: 4px solid var(--primary);
    border-radius: 8px;
}

.legal-section {
    margin-bottom: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.legal-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.legal-section p:last-child {
    margin-bottom: 0;
}

.legal-section ul,
.legal-section ol {
    color: var(--text-secondary);
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.legal-section li {
    margin-bottom: 0.5rem;
}

.legal-section a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.legal-section a:hover {
    text-decoration: underline;
}

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

.back-link {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.back-link .btn {
    display: inline-block;
}

@media (max-width: 768px) {
    .legal-page {
        padding: calc(var(--spacing-xl) + 80px) 0 var(--spacing-md);
    }

    .legal-content h1 {
        font-size: var(--text-3xl);
    }

    .legal-content h2 {
        font-size: var(--text-xl);
    }

    .legal-section {
        padding: var(--spacing-sm);
    }
}