/* ===========================================
   CSS Custom Properties (Theme Variables)
   =========================================== */
:root {
    /* Colors - Dark Theme with Purple Accent */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a25;
    --color-bg-card: #16161f;

    --color-accent: #8b5cf6;
    --color-accent-light: #a78bfa;
    --color-accent-dark: #7c3aed;
    --color-accent-glow: rgba(139, 92, 246, 0.3);

    --color-text-primary: #f0f0f5;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #6b6b7b;

    --color-border: #2a2a3a;
    --color-border-light: #3a3a4a;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --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: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Layout */
    --container-max: 1200px;
    --container-padding: var(--space-6);

    /* Effects */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--color-accent-glow);

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
    color: var(--color-accent-light);
}

ul {
    list-style: none;
}

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

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

.section {
    padding: var(--space-20) 0;
}

/* ===========================================
   Navigation
   =========================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

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

.nav-logo {
    font-family: var(--font-mono);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: -1px;
}

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

.nav-links a {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--space-2) 0;
    position: relative;
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

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

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

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 0%, var(--color-accent-glow) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 20% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    z-index: 1;
    padding: var(--space-8);
}

.hero-greeting {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-4);
}

.hero-name {
    font-size: clamp(var(--text-4xl), 8vw, var(--text-5xl));
    font-weight: 700;
    letter-spacing: -2px;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title {
    font-size: var(--text-xl);
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

.hero-tagline {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-10);
}

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

/* ===========================================
   Stats Bar
   =========================================== */
.stats-bar {
    padding: var(--space-12) 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

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

.stat-item {
    text-align: center;
    padding: var(--space-2) var(--space-4);
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    bottom: 20%;
    width: 1px;
    background: var(--color-border);
}

.stat-value {
    font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    letter-spacing: -1px;
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

@media (max-width: 900px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6) var(--space-4);
    }

    .stat-item:nth-child(3n)::after {
        display: none;
    }
}

@media (max-width: 500px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-item::after {
        display: none !important;
    }
}

/* ===========================================
   Buttons
   =========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

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

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

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

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

/* ===========================================
   Section Titles
   =========================================== */
.section-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--space-12);
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    margin: var(--space-4) auto 0;
    border-radius: 2px;
}

/* ===========================================
   About Section
   =========================================== */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-12);
    align-items: start;
}

.about-text p {
    margin-bottom: var(--space-6);
    color: var(--color-text-secondary);
}

.about-lead {
    font-size: var(--text-lg);
    color: var(--color-text-primary) !important;
    line-height: 1.7;
}

.about-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.detail-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-6);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.detail-card:hover {
    border-color: var(--color-accent);
    transform: translateX(4px);
}

.detail-icon {
    margin-bottom: var(--space-2);
    color: var(--color-accent);
    display: flex;
    align-items: center;
}

.detail-icon svg {
    flex-shrink: 0;
}

.detail-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.detail-value {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-text-primary);
}

/* ===========================================
   Skills Section
   =========================================== */
.skills {
    background: var(--color-bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
}

.skill-category {
    padding: var(--space-8);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.skill-category:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.skill-category-title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-6);
    color: var(--color-accent);
}

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

.skill-item {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    padding-left: var(--space-4);
    position: relative;
}

.skill-item::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* ===========================================
   Operations Section
   =========================================== */
.operations {
    background: var(--color-bg-secondary);
}

.operations-intro {
    text-align: center;
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    max-width: 800px;
    margin: 0 auto var(--space-12);
    line-height: 1.7;
    font-style: italic;
}

/* Pillar Cards */
#operations-pillars {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.pillar-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

.pillar-card:hover {
    border-color: var(--color-accent);
    border-left-color: var(--color-accent-light);
    box-shadow: var(--shadow-glow);
}

.pillar-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-5);
    margin-bottom: var(--space-5);
}

.pillar-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-accent);
    border-radius: var(--radius-md);
}

.pillar-titles {
    flex: 1;
}

.pillar-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-1);
    line-height: 1.3;
}

.pillar-subtitle {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pillar-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.pillar-stats {
    display: flex;
    gap: var(--space-8);
    padding: var(--space-5);
    margin-bottom: var(--space-6);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    flex-wrap: wrap;
}

.pillar-stat {
    display: flex;
    flex-direction: column;
}

.pillar-stat-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.pillar-stat-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pillar-services {
    margin-bottom: var(--space-6);
}

.pillar-services-label {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border);
}

.pillar-services-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2) var(--space-6);
}

.pillar-services-list li {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    padding-left: var(--space-4);
    position: relative;
    line-height: 1.5;
}

.pillar-services-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.pillar-impact {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-style: italic;
    line-height: 1.7;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

/* Products Section */
.operations-products-heading {
    font-size: var(--text-xl);
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--space-8);
    color: var(--color-text-primary);
    letter-spacing: 0.5px;
    position: relative;
}

.operations-products-heading::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: var(--color-accent);
    margin: var(--space-3) auto 0;
    border-radius: 2px;
}

#operations-products {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.product-card {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, transparent 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

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

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.product-titles {
    flex: 1;
}

.product-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-1);
}

.product-subtitle {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-status {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
    flex-shrink: 0;
}

.product-status-deployed {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.product-status-development {
    color: var(--color-text-muted);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
}

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

.product-section {
    margin-bottom: var(--space-6);
}

.product-section:last-of-type {
    margin-bottom: 0;
}

.product-section-title {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border);
}

.product-text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.product-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.product-list li {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    padding-left: var(--space-4);
    position: relative;
    line-height: 1.6;
}

.product-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.product-components {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-4);
}

.product-component {
    padding: var(--space-4);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    border-left: 2px solid var(--color-accent);
}

.component-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.component-detail {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.product-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    list-style: none;
    padding: 0;
}

.product-tech li {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-accent);
    background: rgba(139, 92, 246, 0.1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
}

.product-note {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-style: italic;
    margin-top: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

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

    .product-header {
        flex-direction: column;
        gap: var(--space-3);
    }

    .pillar-stats {
        gap: var(--space-5);
    }
}

/* ===========================================
   Projects Section
   =========================================== */
#projects-intro-container {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-10);
}

.projects-intro {
    text-align: center;
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    max-width: 800px;
    line-height: 1.7;
    font-style: italic;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-8);
    max-width: 900px;
    margin: 0 auto;
}

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

.project-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-card .project-content {
    padding: var(--space-8);
}

.category-subtitle {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-4);
}

.category-stats {
    display: flex;
    gap: var(--space-6);
    margin-bottom: var(--space-4);
    padding: var(--space-4) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.category-stat {
    display: flex;
    flex-direction: column;
}

.category-stat-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.category-stat-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.project-image {
    aspect-ratio: 16/9;
    background: var(--color-bg-tertiary);
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.project-content {
    padding: var(--space-6);
}

.project-title {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.project-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.project-tech li {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-accent);
    background: rgba(139, 92, 246, 0.1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
}

.project-link {
    font-size: var(--text-sm);
    font-weight: 500;
}

/* ===========================================
   Experience Section
   =========================================== */
.experience {
    background: var(--color-bg-secondary);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-left: var(--space-10);
    padding-bottom: var(--space-12);
}

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

.timeline-marker {
    position: absolute;
    left: -5px;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--color-bg-secondary);
}

.timeline-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    border-color: var(--color-accent);
}

.timeline-header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.timeline-title {
    font-size: var(--text-xl);
    font-weight: 600;
}

.timeline-company {
    font-size: var(--text-base);
    color: var(--color-accent);
}

.timeline-date {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

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

.timeline-details li {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    padding-left: var(--space-4);
    position: relative;
}

.timeline-details li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.timeline-subtitle {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: var(--space-6);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border);
}

.timeline-subtitle:first-of-type {
    margin-top: var(--space-4);
}

/* ===========================================
   Contact Section
   =========================================== */
.contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-intro {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-10);
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-6);
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-8);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.contact-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.contact-icon {
    margin-bottom: var(--space-3);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon svg {
    flex-shrink: 0;
}

.contact-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}

.contact-value {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

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

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

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

.print-resume {
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    color: var(--color-accent);
    background: transparent;
    border: 1px solid var(--color-accent);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.print-resume:hover {
    background: var(--color-accent);
    color: white;
}

/* ===========================================
   Responsive Design
   =========================================== */
@media (max-width: 900px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-details {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .detail-card {
        flex: 1;
        min-width: 150px;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: var(--space-4);
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg-primary);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-4);
        gap: var(--space-4);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-name {
        font-size: var(--text-4xl);
    }

    .section {
        padding: var(--space-16) 0;
    }

    .section-title {
        font-size: var(--text-2xl);
        margin-bottom: var(--space-8);
    }

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

    .timeline::before {
        left: 6px;
    }

    .timeline-marker {
        left: 1px;
    }

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

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 250px;
    }

    .about-details {
        flex-direction: column;
    }

    .detail-card {
        min-width: unset;
    }

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

/* ===========================================
   Print Styles
   =========================================== */
@media print {
    * {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }

    body {
        font-size: 11pt;
        line-height: 1.4;
    }

    .nav,
    .hero-bg,
    .hero-cta,
    .print-resume,
    .project-image,
    .contact-icon,
    .footer {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: 0;
        margin-bottom: 20pt;
        border-bottom: 2pt solid #8b5cf6;
        padding-bottom: 15pt;
    }

    .hero-greeting {
        display: none;
    }

    .hero-name {
        font-size: 24pt;
        background: none;
        -webkit-text-fill-color: black;
        margin-bottom: 5pt;
    }

    .hero-title {
        font-size: 14pt;
        margin-bottom: 5pt;
    }

    .hero-tagline {
        font-size: 10pt;
    }

    .section {
        padding: 15pt 0;
        page-break-inside: avoid;
    }

    .section-title {
        font-size: 14pt;
        margin-bottom: 10pt;
        text-align: left;
        border-bottom: 1pt solid #ccc;
        padding-bottom: 5pt;
    }

    .section-title::after {
        display: none;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }

    .about-content {
        display: block;
    }

    .about-details {
        display: none;
    }

    .about-text p {
        margin-bottom: 8pt;
    }

    .skills-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10pt;
    }

    .skill-category {
        padding: 10pt;
        border: 1pt solid #ddd;
    }

    .skill-category-title {
        font-size: 11pt;
        margin-bottom: 5pt;
    }

    .skill-item {
        font-size: 9pt;
    }

    .projects-grid {
        display: block;
    }

    .project-card {
        margin-bottom: 15pt;
        border: 1pt solid #ddd;
        page-break-inside: avoid;
    }

    .project-content {
        padding: 10pt;
    }

    .project-title {
        font-size: 12pt;
    }

    .project-tech li {
        border: 1pt solid #ccc;
    }

    .timeline::before {
        background: #ccc;
    }

    .timeline-marker {
        background: #8b5cf6 !important;
    }

    .timeline-content {
        border: 1pt solid #ddd;
        padding: 10pt;
    }

    .timeline-title {
        font-size: 12pt;
    }

    .contact {
        display: none;
    }

    a[href]::after {
        content: none;
    }
}