@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=Outfit:wght@300;400;600;800&display=swap');

:root {
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --secondary: #1e293b;
    --accent: #10b981;
    --bg-dark: #f8fafc;
    --text-white: #0f172a;
    --text-slate: #475569;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.05);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-dark);
    color: var(--text-white);
    line-height: 1.7;
    overflow-x: hidden;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(79, 70, 229, 0.03) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.02) 0%, transparent 40%);
}

h1,
h2,
h3,
.brand {
    font-family: 'Outfit', sans-serif;
}

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

/* Glassmorphism Components */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    padding: 0.5rem 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-white);
    text-decoration: none;
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-slate);
    font-weight: 500;
    transition: var(--transition);
}

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

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

.hero-content {
    max-width: 700px;
    z-index: 2;
}

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary-light);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(79, 70, 229, 0.2);
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero h1 span {
    background: linear-gradient(to right, #4f46e5, #0ea5e9);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-slate);
    margin-bottom: 2.5rem;
}

.cta-group {
    display: flex;
    gap: 1.5rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(79, 70, 229, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Section Common */
section {
    padding: 10rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-slate);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-img-wrapper {
    position: relative;
    max-width: 320px;
    margin: 0 auto;
}

.about-img-wrapper img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--glass-border);
    transition: var(--transition);
}

.about-img-wrapper:hover img {
    filter: grayscale(0%);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-card {
    padding: 1.5rem;
}

.stat-card h4 {
    font-size: 2rem;
    color: var(--primary-light);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.skill-card {
    padding: 2.5rem;
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.05);
}

.skill-icon {
    width: 60px;
    height: 60px;
    background: rgba(79, 70, 229, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary-light);
    font-size: 1.5rem;
}

/* Portfolio Section */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border-radius: 100px;
    background: none;
    border: 1px solid var(--glass-border);
    color: var(--text-slate);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    height: 400px;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(255, 255, 255, 0.95), transparent);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-overlay h3 {
    color: #1e293b;
}

.portfolio-overlay p {
    color: #64748b;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

/* Krishi Track Specific */
.featured-project {
    margin-top: 5rem;
    padding: 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.project-details ul {
    list-style: none;
    margin: 1.5rem 0;
}

.project-details li {
    margin-bottom: 1rem;
    display: flex;
    gap: 1rem;
    color: var(--text-slate);
}

.project-details li i {
    color: var(--accent);
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info-card {
    padding: 3rem;
}

.contact-item {
    margin-bottom: 2rem;
}

.contact-item label {
    display: block;
    color: var(--text-slate);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.contact-item p {
    font-size: 1.25rem;
    font-weight: 600;
}

form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

form .full-width {
    grid-column: span 2;
}

input,
textarea {
    width: 100%;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-white);
    font-family: inherit;
    transition: var(--transition);
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.06);
}

footer {
    padding: 4rem 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-slate);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3.5rem;
    }

    .about-grid,
    .featured-project,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2.75rem;
    }

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

/* Social Media Links */
.social-links {
    margin-top: 3rem;
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
}

.social-links a:hover {
    color: var(--accent);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}