/* ==========================================
   CSS Variables & Base Styles
   ========================================== */

:root {
    --color-bg: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-text: #f5f5f5;
    --color-text-muted: #888888;
    --color-accent: #c9a86c;
    --color-accent-light: #e0c99a;
    --color-border: rgba(255, 255, 255, 0.1);

    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
}

/* Light Theme */
[data-theme="light"] {
    --color-bg: #faf9f7;
    --color-bg-secondary: #f0eeeb;
    --color-text: #1a1a1a;
    --color-text-muted: #5a5a5a;
    --color-accent: #b8956c;
    --color-accent-light: #a07d52;
    --color-border: rgba(0, 0, 0, 0.08);
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-medium), color var(--transition-medium);
}

::selection {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

/* ==========================================
   Typography
   ========================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
}

h1 { font-size: clamp(3rem, 10vw, 7rem); }
h2 { font-size: clamp(2rem, 5vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    color: var(--color-text-muted);
    font-size: 1rem;
    font-weight: 300;
}

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

/* ==========================================
   Layout
   ========================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 8rem 0;
}

.section-title {
    margin-bottom: 4rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.75rem;
    left: 0;
    width: 3rem;
    height: 2px;
    background-color: var(--color-accent);
}

/* ==========================================
   Navigation
   ========================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all var(--transition-medium);
}

.navbar.scrolled {
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}

[data-theme="light"] .navbar.scrolled {
    background-color: rgba(250, 249, 247, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
}

.nav-menu {
    display: flex;
    gap: 3rem;
    list-style: none;
}

.nav-menu a {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width var(--transition-fast);
}

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

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

/* Hamburger Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-fast);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Body state when menu is open */
body.menu-open {
    overflow: hidden;
}

/* ==========================================
   Theme Toggle
   ========================================== */

.theme-toggle {
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    color: var(--color-text-muted);
    margin-left: 1.5rem;
}

.theme-toggle:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.theme-toggle:hover svg {
    transform: rotate(15deg);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    position: absolute;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle .icon-sun {
    opacity: 0;
    transform: rotate(-90deg) scale(0);
}

.theme-toggle .icon-moon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="light"] .theme-toggle .icon-sun {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="light"] .theme-toggle .icon-moon {
    opacity: 0;
    transform: rotate(90deg) scale(0);
}

/* ==========================================
   Hero Section
   ========================================== */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    padding: 0 2rem;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(201, 168, 108, 0.08) 0%, transparent 50%),
        var(--color-bg);
}

.hero-content {
    max-width: 900px;
}

.hero-greeting {
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-name {
    color: var(--color-text);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    animation: fadeInUp 0.8s ease 0.1s forwards;
    opacity: 0;
}

.hero-tagline {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--color-text-muted);
    margin-bottom: 3rem;
    font-weight: 300;
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.3s forwards;
    opacity: 0;
}

.hero-scroll {
    position: absolute;
    bottom: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    animation: fadeIn 1s ease 1s forwards;
    opacity: 0;
}

.hero-scroll span {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

/* ==========================================
   Buttons
   ========================================== */

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 2px;
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

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

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

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ==========================================
   About Section
   ========================================== */

.about {
    background-color: var(--color-bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.about-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-image {
    position: relative;
}

.image-placeholder {
    aspect-ratio: 4/5;
    background: linear-gradient(135deg, var(--color-bg) 0%, rgba(201, 168, 108, 0.2) 100%);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    right: -1.5rem;
    bottom: -1.5rem;
    border: 1px solid var(--color-accent);
    border-radius: 4px;
    z-index: -1;
}

.about-intro {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.about-text p {
    margin-bottom: 1.25rem;
}

.about-stats {
    display: flex;
    gap: 3rem;
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--color-border);
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--color-accent);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================
   Skills Section
   ========================================== */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.skill-card {
    background-color: var(--color-bg-secondary);
    padding: 2.5rem;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-medium);
    opacity: 0;
    transform: translateY(30px);
}

.skill-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.skill-card:nth-child(1) { transition-delay: 0s; }
.skill-card:nth-child(2) { transition-delay: 0.1s; }
.skill-card:nth-child(3) { transition-delay: 0.2s; }
.skill-card:nth-child(4) { transition-delay: 0.3s; }

.skill-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
}

.skill-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
    color: var(--color-accent);
}

.skill-card h3 {
    margin-bottom: 1rem;
    color: var(--color-text);
}

/* ==========================================
   Work Section
   ========================================== */

.work {
    background-color: var(--color-bg-secondary);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.work-card {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    aspect-ratio: 16/10;
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-medium);
}

.work-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.work-card:nth-child(1) { transition-delay: 0s; }
.work-card:nth-child(2) { transition-delay: 0.1s; }
.work-card:nth-child(3) { transition-delay: 0.2s; }
.work-card:nth-child(4) { transition-delay: 0.3s; }

.work-card-large {
    grid-column: span 1;
    grid-row: span 2;
    aspect-ratio: auto;
}

.work-card-wide {
    grid-column: span 2;
}

.work-image {
    position: absolute;
    inset: 0;
    transition: transform var(--transition-medium);
}

.work-card-link {
    display: block;
    position: absolute;
    inset: 0;
}

.work-card:hover .work-image {
    transform: scale(1.05);
}

/* Project Alpha - Dashboard/Analytics */
.work-card:nth-child(1) .work-image {
    background:
        linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.work-card:nth-child(1) .work-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        /* Grid lines */
        linear-gradient(90deg, rgba(201, 168, 108, 0.03) 1px, transparent 1px),
        linear-gradient(rgba(201, 168, 108, 0.03) 1px, transparent 1px),
        /* Chart bars */
        linear-gradient(to top, rgba(201, 168, 108, 0.4) 0%, transparent 40%) no-repeat 15% 70% / 8% 35%,
        linear-gradient(to top, rgba(201, 168, 108, 0.5) 0%, transparent 40%) no-repeat 26% 70% / 8% 50%,
        linear-gradient(to top, rgba(201, 168, 108, 0.6) 0%, transparent 40%) no-repeat 37% 70% / 8% 40%,
        linear-gradient(to top, rgba(201, 168, 108, 0.5) 0%, transparent 40%) no-repeat 48% 70% / 8% 60%,
        linear-gradient(to top, rgba(201, 168, 108, 0.7) 0%, transparent 40%) no-repeat 59% 70% / 8% 45%,
        linear-gradient(to top, rgba(201, 168, 108, 0.4) 0%, transparent 40%) no-repeat 70% 70% / 8% 55%,
        /* Floating elements */
        radial-gradient(circle at 80% 25%, rgba(201, 168, 108, 0.15) 0%, transparent 15%),
        radial-gradient(circle at 20% 30%, rgba(99, 179, 237, 0.1) 0%, transparent 20%);
    background-size: 30px 30px, 30px 30px, 8% 35%, 8% 50%, 8% 40%, 8% 60%, 8% 45%, 8% 55%, 100% 100%, 100% 100%;
}

.work-card:nth-child(1) .work-image::after {
    content: '';
    position: absolute;
    top: 12%;
    left: 10%;
    right: 10%;
    height: 25%;
    border: 1px solid rgba(201, 168, 108, 0.2);
    border-radius: 8px;
    background: rgba(201, 168, 108, 0.03);
}

/* Artisan Market - E-Commerce */
.work-card:nth-child(2) .work-image {
    background:
        linear-gradient(160deg, #2d2a2e 0%, #1a1a1a 100%);
}

.work-card:nth-child(2) .work-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        /* Product cards */
        linear-gradient(145deg, rgba(201, 168, 108, 0.08) 0%, rgba(201, 168, 108, 0.02) 100%) no-repeat 8% 15% / 40% 35%,
        linear-gradient(145deg, rgba(201, 168, 108, 0.06) 0%, rgba(201, 168, 108, 0.01) 100%) no-repeat 52% 15% / 40% 35%,
        linear-gradient(145deg, rgba(201, 168, 108, 0.07) 0%, rgba(201, 168, 108, 0.02) 100%) no-repeat 8% 55% / 40% 35%,
        linear-gradient(145deg, rgba(201, 168, 108, 0.05) 0%, rgba(201, 168, 108, 0.01) 100%) no-repeat 52% 55% / 40% 35%,
        /* Decorative circles */
        radial-gradient(circle at 28% 32%, rgba(201, 168, 108, 0.25) 0%, transparent 8%),
        radial-gradient(circle at 72% 32%, rgba(180, 140, 100, 0.2) 0%, transparent 8%),
        radial-gradient(circle at 28% 72%, rgba(160, 130, 90, 0.2) 0%, transparent 8%),
        radial-gradient(circle at 72% 72%, rgba(201, 168, 108, 0.15) 0%, transparent 8%);
}

.work-card:nth-child(2) .work-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        /* Price tags */
        linear-gradient(90deg, rgba(201, 168, 108, 0.4) 0%, rgba(201, 168, 108, 0.4) 100%) no-repeat 15% 42% / 15% 3%,
        linear-gradient(90deg, rgba(201, 168, 108, 0.3) 0%, rgba(201, 168, 108, 0.3) 100%) no-repeat 60% 42% / 12% 3%,
        linear-gradient(90deg, rgba(201, 168, 108, 0.35) 0%, rgba(201, 168, 108, 0.35) 100%) no-repeat 15% 82% / 18% 3%,
        linear-gradient(90deg, rgba(201, 168, 108, 0.25) 0%, rgba(201, 168, 108, 0.25) 100%) no-repeat 60% 82% / 10% 3%;
}

/* Nova Studio - Brand Identity */
.work-card:nth-child(3) .work-image {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
}

.work-card:nth-child(3) .work-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        /* Geometric shapes */
        linear-gradient(45deg, transparent 40%, rgba(201, 168, 108, 0.15) 40%, rgba(201, 168, 108, 0.15) 60%, transparent 60%),
        linear-gradient(-45deg, transparent 40%, rgba(201, 168, 108, 0.1) 40%, rgba(201, 168, 108, 0.1) 60%, transparent 60%);
}

.work-card:nth-child(3) .work-image::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border: 2px solid rgba(201, 168, 108, 0.4);
    border-radius: 50%;
    background:
        radial-gradient(circle at center, transparent 30%, rgba(201, 168, 108, 0.1) 30%, rgba(201, 168, 108, 0.1) 32%, transparent 32%),
        radial-gradient(circle at center, rgba(201, 168, 108, 0.2) 0%, transparent 25%);
    box-shadow:
        0 0 0 20px rgba(201, 168, 108, 0.05),
        0 0 0 40px rgba(201, 168, 108, 0.03);
}

/* Mindful - Mobile App */
.work-card:nth-child(4) .work-image {
    background: linear-gradient(135deg, #1a2a3a 0%, #0d1b2a 50%, #1b263b 100%);
}

.work-card:nth-child(4) .work-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        /* Soft glowing orbs */
        radial-gradient(circle at 20% 50%, rgba(201, 168, 108, 0.15) 0%, transparent 25%),
        radial-gradient(circle at 50% 50%, rgba(147, 129, 255, 0.08) 0%, transparent 30%),
        radial-gradient(circle at 80% 50%, rgba(201, 168, 108, 0.12) 0%, transparent 25%),
        /* Breathing circles */
        radial-gradient(circle at 50% 50%, transparent 15%, rgba(201, 168, 108, 0.08) 15%, rgba(201, 168, 108, 0.08) 17%, transparent 17%),
        radial-gradient(circle at 50% 50%, transparent 25%, rgba(201, 168, 108, 0.05) 25%, rgba(201, 168, 108, 0.05) 27%, transparent 27%),
        radial-gradient(circle at 50% 50%, transparent 35%, rgba(201, 168, 108, 0.03) 35%, rgba(201, 168, 108, 0.03) 37%, transparent 37%);
}

.work-card:nth-child(4) .work-image::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, rgba(201, 168, 108, 0.6) 0%, rgba(201, 168, 108, 0.2) 50%, transparent 70%);
    border-radius: 50%;
    box-shadow: 0 0 60px 30px rgba(201, 168, 108, 0.15);
    animation: breathe 4s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 1;
    }
}

.work-overlay {
    position: absolute;
    inset: 0;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background: linear-gradient(to top, rgba(10, 10, 10, 0.9) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

[data-theme="light"] .work-overlay {
    background: linear-gradient(to top, rgba(26, 26, 26, 0.9) 0%, transparent 60%);
}

[data-theme="light"] .work-overlay h3,
[data-theme="light"] .work-overlay p {
    color: #f5f5f5;
}

[data-theme="light"] .work-overlay p {
    color: #cccccc;
}

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

.work-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.work-overlay h3 {
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.work-overlay p {
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.work-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.work-link::after {
    content: '\2192';
    transition: transform var(--transition-fast);
}

.work-link:hover::after {
    transform: translateX(4px);
}

/* ==========================================
   Contact Section
   ========================================== */

.contact {
    text-align: center;
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.contact-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact .section-title {
    display: block;
}

.contact .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

.contact-intro {
    font-size: 1.25rem;
    margin-bottom: 3rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.contact-link:hover {
    border-color: var(--color-accent);
    transform: translateX(10px);
}

.contact-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

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

/* ==========================================
   Footer
   ========================================== */

.footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.footer p {
    font-size: 0.875rem;
}

/* ==========================================
   Animations
   ========================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes scrollLine {
    0%, 100% {
        opacity: 1;
        transform: scaleY(1);
    }
    50% {
        opacity: 0.5;
        transform: scaleY(0.5);
        transform-origin: top;
    }
}

/* ==========================================
   Responsive Design
   ========================================== */

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

    .work-card-large {
        grid-row: span 1;
        aspect-ratio: 16/10;
    }
}

@media (max-width: 768px) {
    section {
        padding: 5rem 0;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image {
        max-width: 300px;
        margin: 0 auto;
    }

    .about-stats {
        flex-wrap: wrap;
        gap: 2rem;
    }

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

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

    .work-card-large,
    .work-card-wide {
        grid-column: span 1;
    }

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

    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-medium);
    }

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

    .nav-menu a {
        font-size: 1.5rem;
        font-family: var(--font-heading);
        text-transform: none;
        letter-spacing: 0;
    }

    .nav-menu a::after {
        bottom: -8px;
        height: 2px;
    }

    .theme-toggle {
        position: fixed;
        bottom: 2rem;
        right: 2rem;
        margin-left: 0;
        z-index: 1001;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.25rem;
    }

    .contact-link {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}