/* Design System & Styles (Dark Theme) */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #8a4dff; /* Brighter purple for dark mode */
    --primary-dark: #7c3aed;
    --primary-light: #a78bfa;
    --secondary: #ff70a6; /* Brighter pink for dark mode */
    --accent: #06b6d4;
    --accent-warm: #f59e0b;
    --gradient-purple: linear-gradient(135deg, #8a4dff 0%, #764ba2 100%);
    --gradient-pink: linear-gradient(135deg, #ff70a6 0%, #f5576c 100%);
    --gradient-blue: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-green: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --gradient-sunset: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --gradient-teal: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --text-primary: #ffffff;
    --text-secondary: #bdc3c7;
    --text-tertiary: #94a3b8;
    --bg-primary: #0d0c1d; /* Dark blue/purple */
    --bg-secondary: #1a1a2e; /* Slightly lighter */
    --bg-tertiary: #2a2a4e;
    --border: rgba(255, 255, 255, 0.1);
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;
    --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: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    background-attachment: fixed;
    overflow-x: hidden;
}

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 12, 29, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition-base);
}

#navbar.scrolled {
    background: rgba(13, 12, 29, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: color var(--transition-fast);
}

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

.nav-links {
    display: none;
    gap: var(--space-xl);
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-sm);
    letter-spacing: -0.01em;
    transition: color var(--transition-fast);
    position: relative;
    cursor: pointer;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
}

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

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: var(--text-5xl);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.1;
}

.section-description {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

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

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.25) 0%, rgba(167, 139, 250, 0.15) 40%, transparent 70%);
    border-radius: 50%;
    animation: floatOrb 25s ease-in-out infinite;
    filter: blur(60px);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.2) 0%, rgba(251, 207, 232, 0.12) 40%, transparent 70%);
    border-radius: 50%;
    animation: floatOrb 30s ease-in-out infinite reverse;
    filter: blur(70px);
}

@keyframes floatOrb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(40px, -40px) scale(1.15); }
    66% { transform: translate(-30px, 30px) scale(0.95); }
}

.hero-content {
    width: 100%;
    position: relative;
    z-index: 2;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(236, 72, 153, 0.15));
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-xl);
    animation: slideDown 0.6s ease-out;
}

.hero-label::before {
    content: '';
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #667eea, #ec4899);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero h1 {
    font-size: var(--text-7xl);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 30%, #f093fb 60%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: var(--text-2xl);
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 700px;
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--text-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #ec4899 100%);
    color: white;
    box-shadow: 0 4px 20px 0 rgba(102, 126, 234, 0.4), 0 0 30px rgba(236, 72, 153, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px 0 rgba(102, 126, 234, 0.5), 0 0 50px rgba(236, 72, 153, 0.3);
}

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

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

.btn-secondary:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.btn:hover svg {
    transform: translateX(4px);
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.skill-card {
    background: var(--bg-secondary);
    padding: var(--space-xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 50%, #ec4899 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

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

.skill-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), 0 0 40px rgba(102, 126, 234, 0.15);
    border-color: var(--primary-light);
}

.skill-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(236, 72, 153, 0.15));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    font-size: var(--text-2xl);
}

.skill-card h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.skill-tag {
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(236, 72, 153, 0.2));
    border-color: var(--primary-light);
    color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

/* Projects */
.projects-grid {
    display: grid;
    gap: var(--space-3xl);
}

.project-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all var(--transition-slow);
    cursor: pointer;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    min-height: 480px;
}

.project-card:nth-child(even) {
    grid-template-columns: 1fr 1fr;
}

.project-card:nth-child(even) .project-image {
    order: 2;
}

.project-card:nth-child(even) .project-content {
    order: 1;
}

.project-card:hover {
    transform: translateY(-12px) scale(1.01);
    box-shadow: 0 25px 50px rgba(102, 126, 234, 0.3), 0 0 60px rgba(236, 72, 153, 0.15);
    border-color: var(--primary-light);
}

.project-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-6xl);
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
}

.project-image::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    animation: shimmer 4s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, 20px); }
}

.project-card:nth-child(2) .project-image {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.project-card:nth-child(3) .project-image {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.project-card:nth-child(4) .project-image {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.project-card:nth-child(5) .project-image {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.project-card:nth-child(6) .project-image {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.project-content {
    padding: var(--space-3xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.project-label {
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.project-content h3 {
    font-size: var(--text-3xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

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

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.project-tag {
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--text-lg);
    transition: all var(--transition-base);
}

.project-link svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.project-link:hover {
    color: var(--secondary);
    gap: var(--space-md);
}

.project-link:hover svg {
    transform: translateX(4px);
}

/* About Section */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    font-size: var(--text-xl);
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

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

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

/* Contact Section */
.contact-card {
    max-width: 700px;
    margin: 0 auto;
    padding: var(--space-3xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.contact-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.contact-subtitle {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
}

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

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.contact-item:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(236, 72, 153, 0.15));
    transform: translateX(8px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
}

.contact-icon {
    width: 24px;
    height: 24px;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-link {
    font-size: var(--text-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
    word-break: break-all;
}

.contact-link:hover {
    color: var(--primary);
}

/* Ant Design Inspired Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    text-align: left;
    margin-top: var(--space-2xl);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
    letter-spacing: -0.01em;
}

.form-input,
.form-textarea {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    font-size: var(--text-base);
    color: var(--text-primary);
    transition: all var(--transition-base);
    width: 100%;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(138, 77, 255, 0.2);
}

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

.form-textarea {
    min-height: 140px;
    resize: vertical;
}

.contact-form .btn-primary {
    align-self: flex-start; /* Align button to the left */
}

.social-links-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    letter-spacing: -0.01em;
    text-align: left;
    margin-top: var(--space-2xl);
}

.social-links {
    justify-content: flex-start;
}


/* Footer */
footer {
    padding: var(--space-3xl) 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
}

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

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

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 500;
    transition: color var(--transition-fast);
    cursor: pointer;
}

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

/* Case Study Pages */
.case-study-page {
    padding-top: 80px;
}

.case-study-hero {
    padding: var(--space-4xl) 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.case-study-hero h1 {
    font-size: var(--text-6xl);
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.1;
}

.case-study-hero p {
    font-size: var(--text-2xl);
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--text-base);
    margin-bottom: var(--space-xl);
    transition: all var(--transition-base);
    cursor: pointer;
}

.back-link svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.back-link:hover {
    color: var(--primary);
    gap: var(--space-md);
}

.back-link:hover svg {
    transform: translateX(-4px);
}

.case-study-content {
    padding: var(--space-4xl) 0;
}

.case-study-section {
    margin-bottom: var(--space-3xl);
}

.case-study-section h2 {
    font-size: var(--text-3xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.case-study-section p {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.case-study-section ul {
    list-style: none;
    padding: 0;
}

.case-study-section li {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    padding-left: var(--space-lg);
    position: relative;
}

.case-study-section li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.image-placeholder {
    background: var(--bg-secondary);
    border: 2px dashed var(--border);
    border-radius: var(--radius-2xl);
    padding: var(--space-4xl);
    text-align: center;
    margin: var(--space-2xl) 0;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder p {
    color: var(--text-tertiary);
    font-style: italic;
    font-size: var(--text-lg);
}

.case-image {
  width: 100%;
  max-width: 884px; /* Adjusted max-width */
  margin: 20px auto;
  padding: 20px;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  display: flex;
  justify-content: center;
  align-items: center;
}

.case-image img {
  width: 100%;
  height: 440px; /* Set fixed height */
  border-radius: 12px;
  object-fit: contain;
}


.image-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:12px;
  margin-top:20px;
}

.image-grid img{
  width:100%;
  border-radius:10px;
}


/* Page Transitions */
.page {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.page.active {
    display: block;
}

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

/* Responsive */
@media (min-width: 769px) {
    .nav-links {
        display: flex !important;
    }
}

@media (max-width: 1024px) {
    .project-card {
        grid-template-columns: 1fr !important;
        min-height: auto;
    }
    
    .project-card:nth-child(even) .project-image,
    .project-card .project-image {
        order: 1 !important;
        min-height: 300px;
    }
    
    .project-card:nth-child(even) .project-content,
    .project-card .project-content {
        order: 2 !important;
    }
}

@media (max-width: 768px) {
    :root {
        --text-7xl: 3rem;
        --text-6xl: 2.5rem;
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
        --space-4xl: 4rem;
        --space-3xl: 3rem;
    }

    .hero {
        min-height: calc(100vh - 80px);
        text-align: center;
    }

    .hero-content {
        align-items: center;
    }

    .hero h1 {
        font-size: var(--text-5xl);
    }

    .hero-subtitle {
        font-size: var(--text-lg);
        margin-left: auto;
        margin-right: auto;
    }

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

    .btn {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }

    .section-title {
        font-size: var(--text-4xl);
    }

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

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

    .contact-card {
        padding: var(--space-xl);
    }

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

    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-xl);
        transition: right 0.5s cubic-bezier(0.77, 0, 0.175, 1);
        display: none;
    }

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

    .nav-links a {
        font-size: var(--text-2xl);
        color: var(--text-primary);
    }

    .contact-item {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --text-5xl: 1.75rem;
        --text-4xl: 1.5rem;
    }

    .hero-subtitle {
        font-size: var(--text-base);
    }

    .section-description {
        font-size: var(--text-lg);
    }

    .project-content h3 {
        font-size: var(--text-2xl);
    }

    .project-content p {
        font-size: var(--text-base);
    }
}

.skill-card:nth-child(1) { animation-delay: 0.1s; }
.skill-card:nth-child(2) { animation-delay: 0.2s; }
.skill-card:nth-child(3) { animation-delay: 0.3s; }
.skill-card:nth-child(4) { animation-delay: 0.4s; }

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

.skill-card {
    animation: slideInUp 0.6s ease-out both;
}
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--text-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #ec4899 100%);
    color: white;
    box-shadow: 0 4px 20px 0 rgba(102, 126, 234, 0.4), 0 0 30px rgba(236, 72, 153, 0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px 0 rgba(102, 126, 234, 0.5), 0 0 50px rgba(236, 72, 153, 0.3);
}

.cta-button:active {
    transform: translateY(0);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left var(--transition-slow);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.cta-button:hover svg {
    transform: translateX(4px);
}

/* Hamburger Button */
.nav-toggle {
    display: none; /* Hidden by default */
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    z-index: 1001; /* Above nav links */
    position: relative;
    width: 24px;
    height: 24px;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    position: absolute;
    top: 11px; /* Center it */
    transition: background 0.2s 0.2s ease-in-out;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    left: 0;
    transition: transform 0.2s ease-in-out;
}

.hamburger::before {
    transform: translateY(-8px);
    transition: transform 0.2s 0.2s ease-in-out;
}

.hamburger::after {
    transform: translateY(8px);
    transition: transform 0.2s 0.2s ease-in-out;
}

/* Active state for hamburger (X) */
.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    transform: rotate(45deg);
    transition-delay: 0s;
}

.nav-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    transition-delay: 0s;
}

.project-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  object-fit: contain;
}

.project-image {
  background: none !important; /* Override background */
}