/* ========================================
   Nicolas Lumbert - Portfolio
   Premium Design System
   ======================================== */

/* --- CSS Custom Properties --- */
:root {
    --color-bg: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-card: #16161f;
    --color-bg-card-hover: #1c1c28;
    --color-surface: #1e1e2a;
    --color-border: rgba(255, 255, 255, 0.06);
    --color-border-hover: rgba(255, 255, 255, 0.12);
    --color-text: #e4e4e7;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;
    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-primary-dark: #4f46e5;
    --color-primary-glow: rgba(99, 102, 241, 0.15);
    --color-accent: #06b6d4;
    --color-accent-glow: rgba(6, 182, 212, 0.15);
    --color-success: #10b981;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

::selection {
    background: var(--color-primary);
    color: white;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

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

/* --- Cursor Glow --- */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    opacity: 0;
}

body:hover .cursor-glow {
    opacity: 1;
}

/* --- Container --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.4s var(--ease-out-expo);
}

.nav.scrolled {
    padding: 12px 0;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    transition: all 0.3s ease;
}

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

.logo-bracket {
    color: var(--color-primary);
    font-weight: 400;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-links a {
    position: relative;
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.05);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    border-radius: 1px;
    transform: translateX(-50%);
    transition: width 0.3s var(--ease-out-expo);
}

.nav-links a:hover::after {
    width: 20px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

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

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

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

/* Mobile menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

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

.mobile-menu-links li {
    margin: 16px 0;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.4s ease;
}

.mobile-menu.active .mobile-menu-links li {
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu.active .mobile-menu-links li:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active .mobile-menu-links li:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-menu-links li:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active .mobile-menu-links li:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.active .mobile-menu-links li:nth-child(5) { transition-delay: 0.3s; }

.mobile-menu-links a {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-text);
    transition: color 0.3s ease;
}

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

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

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

.grid-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
}

.floating-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--color-primary);
    top: -10%;
    right: -5%;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--color-accent);
    bottom: 10%;
    left: -5%;
    animation-delay: -7s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: #a855f7;
    top: 40%;
    left: 30%;
    animation-delay: -14s;
    opacity: 0.2;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(15px, 10px) scale(1.02); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-success);
    margin-bottom: 32px;
}

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

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
}

.hero-greeting {
    display: block;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-primary-light);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.hero-name {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-secondary) 50%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.hero-title {
    display: block;
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 400;
    color: var(--color-text-secondary);
    min-height: 2.5rem;
}

.typing-wrapper {
    display: inline-flex;
    align-items: center;
}

.typing-text {
    color: var(--color-primary-light);
    font-weight: 600;
}

.typing-cursor {
    color: var(--color-primary);
    font-weight: 300;
    animation: blink 1s step-end infinite;
    margin-left: 2px;
}

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

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 32px auto;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.4s var(--ease-out-expo);
    font-family: var(--font-sans);
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 4px 24px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary);
    color: var(--color-primary-light);
    transform: translateY(-2px);
}

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

/* --- Hero Stats --- */
.hero-stats {
    display: flex;
    gap: 48px;
    justify-content: center;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.02em;
    line-height: 1;
}

.stat-plus {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 4px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- Scroll Indicator --- */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: scroll-bounce 2s ease-in-out infinite;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--color-text-muted);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-wheel {
    width: 3px;
    height: 8px;
    background: var(--color-text-muted);
    border-radius: 3px;
    animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(6px); opacity: 0.3; }
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* --- Section --- */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-primary-light);
    margin-bottom: 16px;
    padding: 6px 16px;
    background: var(--color-primary-glow);
    border-radius: 6px;
    border: 1px solid rgba(99, 102, 241, 0.15);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 16px auto 0;
}

/* --- About --- */
.about-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 80px;
    align-items: start;
}

.about-image-wrapper {
    position: relative;
    aspect-ratio: 3/4;
    border-radius: 20px;
    overflow: hidden;
}

.about-image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--color-bg-card);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    border: 2px dashed var(--color-border-hover);
    border-radius: 20px;
}

.about-image-border {
    position: absolute;
    inset: -4px;
    border-radius: 24px;
    border: 2px solid var(--color-primary);
    opacity: 0.3;
    z-index: -1;
    transform: translate(12px, 12px);
}

.about-content p {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

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

.about-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 32px 0;
    padding: 24px;
    background: var(--color-bg-card);
    border-radius: 16px;
    border: 1px solid var(--color-border);
}

.detail-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.detail-value {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
}

/* --- Skills --- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.skill-category {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.4s var(--ease-out-expo);
}

.skill-category:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
}

.skill-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-glow);
    border-radius: 14px;
    color: var(--color-primary-light);
}

.skill-category h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.skill-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: 3px;
    transition: width 1.2s var(--ease-out-expo);
}

/* --- Projects --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s var(--ease-out-expo);
}

.project-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-6px);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.3);
}

.project-card-featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
}

.project-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.project-card-featured .project-image {
    aspect-ratio: auto;
    min-height: 350px;
}

.project-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-surface));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: 50%;
    color: white;
    transform: scale(0.8) translateY(10px);
    transition: all 0.4s var(--ease-spring);
}

.project-card:hover .project-link {
    transform: scale(1) translateY(0);
}

.project-link:hover {
    background: var(--color-primary-dark);
}

.project-info {
    padding: 28px;
}

.project-type {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.project-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.project-desc {
    font-size: 0.925rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tech span {
    padding: 4px 12px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-accent);
    background: var(--color-accent-glow);
    border-radius: 6px;
    border: 1px solid rgba(6, 182, 212, 0.15);
}

/* --- Experience / Timeline --- */
.timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-primary-glow), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
}

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

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 8px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-bg);
    border: 3px solid var(--color-primary);
    z-index: 1;
    transition: all 0.3s ease;
}

.timeline-item:first-child .timeline-marker {
    background: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-glow);
}

.timeline-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.3s ease;
}

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

.timeline-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.timeline-badge {
    padding: 2px 10px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-success);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timeline-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}

.timeline-company {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-primary-light);
    margin-bottom: 12px;
    display: block;
}

.timeline-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.timeline-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.timeline-tech span {
    padding: 3px 10px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-text-muted);
    background: rgba(255, 255, 255, 0.04);
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

/* --- Contact --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.contact-card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
}

.contact-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-glow);
    border-radius: 12px;
    color: var(--color-primary-light);
    flex-shrink: 0;
}

.contact-card-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.contact-card-value {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
}

a.contact-card-value:hover {
    color: var(--color-primary-light);
}

.contact-socials {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    color: var(--color-text-secondary);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: translateY(-3px);
}

/* --- Contact Form --- */
.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 36px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

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

/* --- Footer --- */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--color-border);
}

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

.footer-logo {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* --- Project Mockups --- */
.mockup-browser {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mockup-dots {
    display: flex;
    gap: 5px;
}

.mockup-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
}

.mockup-dots span:first-child { background: #ff5f57; }
.mockup-dots span:nth-child(2) { background: #febc2e; }
.mockup-dots span:last-child { background: #28c840; }

.mockup-url {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-text-muted);
    background: rgba(255, 255, 255, 0.04);
    padding: 4px 10px;
    border-radius: 4px;
}

/* E-commerce mockup */
.mockup-ecommerce {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0f0f1a, #1a1a2e);
    display: flex;
    flex-direction: column;
}

.mockup-content {
    flex: 1;
    display: flex;
    padding: 12px;
    gap: 12px;
    overflow: hidden;
}

.mockup-sidebar {
    width: 25%;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 8px;
}

.mockup-line {
    height: 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 4px;
}

.mockup-main {
    flex: 1;
}

.mockup-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    height: 100%;
}

.mockup-product {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

/* Dashboard mockup */
.mockup-browser-full {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #0f0f1a, #1a1a2e);
}

.mockup-dash-content {
    flex: 1;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow: hidden;
}

.mockup-stat-row {
    display: flex;
    gap: 8px;
}

.mockup-stat-card {
    flex: 1;
    height: 40px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.mockup-chart {
    flex: 1;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 8px;
    display: flex;
    align-items: flex-end;
}

.mockup-chart svg {
    width: 100%;
    height: 100%;
}

.mockup-table {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mockup-table-row {
    height: 14px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 3px;
}

/* API mockup */
.mockup-code-content {
    flex: 1;
    padding: 14px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    line-height: 1.8;
    overflow: hidden;
}

.mockup-code-line {
    color: rgba(255, 255, 255, 0.4);
    white-space: nowrap;
}

.mc-keyword {
    color: #c084fc;
    font-weight: 600;
}

.mc-string {
    color: #6ee7b7;
}

.mc-comment {
    color: rgba(255, 255, 255, 0.2);
    font-style: italic;
}

.mc-key {
    color: #93c5fd;
}

.mc-value {
    color: #fbbf24;
}

.mc-bracket {
    color: rgba(255, 255, 255, 0.5);
}

/* Kanban mockup */
.mockup-kanban-content {
    flex: 1;
    display: flex;
    gap: 8px;
    padding: 12px;
    overflow: hidden;
}

.mockup-kanban-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mockup-kanban-header {
    height: 8px;
    border-radius: 4px;
}

.mockup-kanban-card {
    height: 32px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

/* --- Animations --- */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--ease-out-expo);
}

[data-animate="fade-right"] {
    transform: translateX(-30px);
}

[data-animate="fade-left"] {
    transform: translateX(30px);
}

[data-animate].visible {
    opacity: 1;
    transform: translate(0, 0);
}

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

    .about-grid {
        grid-template-columns: 280px 1fr;
        gap: 40px;
    }

    .project-card-featured {
        grid-template-columns: 1fr;
    }

    .project-card-featured .project-image {
        min-height: 250px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 24px 60px;
    }

    .hero-stats {
        gap: 28px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-wrapper {
        max-width: 280px;
        margin: 0 auto;
    }

    .about-details {
        grid-template-columns: 1fr;
        gap: 12px;
    }

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

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .hero-description {
        font-size: 1rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}