/* =====================================================
   MOHAMMED RAYAN ALI - PORTFOLIO STYLES
   Dark Theme with Emerald Green Accents
   ===================================================== */

/* === ROOT VARIABLES === */
:root {
    /* Dark Theme Colors */
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-tertiary: #1a1a1c;
    --bg-card: #151517;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #d1d1d6;
    --text-muted: #8e8e93;
    
    /* Emerald Green Accent */
    --accent-primary: #10b981;
    --accent-hover: #059669;
    --accent-light: rgba(16, 185, 129, 0.1);
    --accent-glow: rgba(16, 185, 129, 0.3);
    
    /* Border & Shadow */
    --border-color: #2c2c2e;
    --border-subtle: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--accent-glow);
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* === RESET & BASE STYLES === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.015em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    color: var(--text-secondary);
}

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

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px var(--accent-glow);
    }
    50% {
        box-shadow: 0 0 40px var(--accent-glow), 0 0 60px var(--accent-glow);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.8s ease-out;
}

.animate-slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

/* === NAVIGATION === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-base);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo-dot {
    color: var(--accent-primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    padding: 8px 0;
}

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-primary);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    min-height: 52px;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

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

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

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

/* === HERO SECTION === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 800px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0.3;
}

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

.hero-greeting {
    font-size: 1.2rem;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-2xl);
}

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

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-item p {
    font-size: 0.95rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* === SKILL SHOWCASE === */
.skill-showcase {
    padding: var(--spacing-2xl) 0;
}

.skill-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.skill-showcase-reverse .skill-grid {
    direction: rtl;
}

.skill-showcase-reverse .skill-content {
    direction: ltr;
}

.skill-showcase-reverse .skill-video {
    direction: ltr;
}

.skill-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--accent-light);
    color: var(--accent-primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.skill-content h2 {
    margin-bottom: var(--spacing-md);
}

.skill-content p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

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

.skill-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.skill-list svg {
    flex-shrink: 0;
    margin-top: 4px;
}

.skill-list span {
    color: var(--text-secondary);
    line-height: 1.6;
}

.skill-list strong {
    color: var(--text-primary);
}

.skill-video {
    position: relative;
}

.video-placeholder {
    aspect-ratio: 16/9;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    transition: var(--transition-base);
    overflow: hidden;
    position: relative;
}

.video-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, var(--accent-light) 100%);
    opacity: 0;
    transition: var(--transition-base);
}

.video-placeholder:hover::before {
    opacity: 1;
}

.video-placeholder:hover {
    border-color: var(--accent-primary);
    transform: scale(1.02);
}

.video-placeholder svg {
    position: relative;
    z-index: 1;
    transition: var(--transition-base);
}

.video-placeholder:hover svg {
    transform: scale(1.1);
}

.video-placeholder p {
    position: relative;
    z-index: 1;
    color: var(--text-muted);
    font-weight: 500;
}
.video-placeholder video {
    width: 100%;
    height: 100%;
    object-fit: cover; /* fills div without distortion */
    display: block;
}

/* === PROJECTS SECTION === */
.projects {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--accent-light);
    color: var(--accent-primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    max-width: 1100px;
    margin: 0 auto;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-lg);
}

.project-content h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-size: 1.5rem;
}

.project-content p {
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    color: var(--text-secondary);
}

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

.project-tags span {
    padding: 8px 16px;
    background: transparent;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.project-tags span:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* === CTA SECTION === */
.cta-section {
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.cta-content h2 {
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
}

/* === FOOTER === */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
    align-items: start;
}

.footer-brand h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.footer-brand p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    max-width: 400px;
}

.footer-brand .social-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-column h4 {
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-column a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.footer-column a:hover {
    color: var(--accent-primary);
    transform: translateX(5px);
    display: inline-block;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px var(--accent-glow);
}

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

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-credits {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-credits a {
    color: var(--accent-primary);
    font-weight: 600;
    transition: var(--transition-fast);
}

.footer-credits a:hover {
    text-decoration: underline;
}

/* === ABOUT PAGE === */
.about-hero,
.contact-hero {
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    text-align: center;
}

.about-hero-content h1,
.contact-hero-content h1 {
    margin-bottom: var(--spacing-md);
}

.lead-text {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

.about-content {
    padding: var(--spacing-2xl) 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-text h2 {
    margin-bottom: var(--spacing-md);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    font-size: 1.1rem;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-placeholder {
    width: 300px;
    height: 300px;
    background: var(--bg-secondary);
    border: 3px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.profile-placeholder:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 40px var(--accent-glow);
}

/* === SKILLS BREAKDOWN === */
.skills-breakdown {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

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

.skill-category:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.skill-icon {
    margin-bottom: var(--spacing-md);
}

.skill-category h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.skill-category ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.skill-category li {
    color: var(--text-secondary);
    padding-left: var(--spacing-md);
    position: relative;
}

.skill-category li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
}

/* === CERTIFICATIONS === */
.certifications {
    padding: var(--spacing-3xl) 0;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.cert-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-color);
    text-align: center;
    transition: var(--transition-base);
}

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

.cert-badge {
    margin: 0 auto var(--spacing-md);
    width: 80px;
    height: 80px;
    background: var(--accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.cert-card p {
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.cert-year {
    display: inline-block;
    padding: 6px 16px;
    background: var(--accent-light);
    color: var(--accent-primary);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* === PHILOSOPHY === */
.philosophy {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.philosophy-content h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

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

.philosophy-item {
    text-align: center;
    padding: var(--spacing-lg);
}

.philosophy-item h3 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}

.philosophy-item p {
    line-height: 1.6;
}

/* === CONTACT PAGE === */
.contact-content {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info h2 {
    margin-bottom: var(--spacing-md);
}

.contact-info > p {
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-method h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.contact-method a {
    color: var(--accent-primary);
}

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

.social-connect h3 {
    margin-bottom: var(--spacing-md);
}

.social-links-large {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.social-link-large {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.social-link-large:hover {
    border-color: var(--accent-primary);
    background: var(--accent-light);
    transform: translateX(8px);
}

.social-link-large span {
    font-weight: 500;
}

/* === CONTACT FORM === */
.contact-form-wrapper {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    position: relative;
}

.contact-form-wrapper h2 {
    margin-bottom: var(--spacing-lg);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    font-size: 1rem;
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px var(--accent-light);
}

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

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

.error-message {
    color: #ef4444;
    font-size: 0.85rem;
    display: none;
}

.error-message.show {
    display: block;
}

.form-group input.error,
.form-group textarea.error {
    border-color: #ef4444;
}

.contact-form .btn {
    margin-top: var(--spacing-sm);
    width: 100%;
}

/* === FORM SUCCESS === */
.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xl);
}

.form-success.show {
    display: flex;
}

.form-success svg {
    margin-bottom: var(--spacing-md);
}

.form-success h3 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}

.form-success p {
    margin-bottom: var(--spacing-lg);
}

/* === RESPONSIVE === */
@media (max-width: 968px) {
    .skill-grid,
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .skill-showcase-reverse .skill-grid {
        direction: ltr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-placeholder {
        width: 200px;
        height: 200px;
    }
}