/* Base Reset & Variables */
:root {
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --primary: #4c1d95;
    --primary-light: #8b5cf6;
    --accent: #06b6d4;
    --text-white: #f8fafc;
    --text-gray: #94a3b8;
    --border-light: rgba(255, 255, 255, 0.1);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: var(--font-body);
    overflow-x: hidden;
    line-height: 1.6;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 800;
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    z-index: 1000;
    transition: all 0.4s ease;
    background: rgba(15, 23, 42, 0.3);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-light);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.9);
    height: 70px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    font-size: 1rem;
    font-weight: 500;
}

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

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    padding: 12px 28px;
    border-radius: 30px;
    color: var(--text-white);
    font-weight: 600;
    border: none;
    cursor: pointer;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-primary.glowing:hover {
    box-shadow: 0 0 25px var(--primary-light);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255,255,255,0.1);
    padding: 10px 20px;
    border-radius: 8px;
    border: 1px solid var(--border-light);
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
}

.btn-secondary:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 5% 0;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(139, 92, 246, 0.2), transparent 50%),
                radial-gradient(circle at bottom left, rgba(6, 182, 212, 0.2), transparent 50%);
    z-index: -1;
}

.hero-content {
    max-width: 900px;
    z-index: 1;
    background: rgba(30, 41, 59, 0.4);
    padding: 50px;
    border-radius: 30px;
    border: 1px solid var(--border-light);
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 25px;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Sections */
.section {
    padding: 6rem 5%;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.section-header p {
    color: var(--text-gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.portfolio-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
}

.portfolio-card:hover {
    transform: scale(1.02) translateY(-10px);
    border-color: var(--primary-light);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.2);
}

.card-image-placeholder {
    height: 220px;
    background: linear-gradient(135deg, #1e293b, #0f172a);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(255,255,255,0.1);
    overflow: hidden;
}

.card-image-placeholder::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--primary-light) 0%, transparent 60%);
    opacity: 0.1;
    transition: opacity 0.5s;
}

.portfolio-card:hover .card-image-placeholder::before {
    opacity: 0.3;
}

.overlay-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.6);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0;
    transition: all 0.3s ease;
}

.portfolio-card:hover .overlay-icon {
    opacity: 1;
}

.card-content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    flex-grow: 1;
}

.card-content .category {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    font-weight: 600;
}

.card-content h3 {
    font-size: 1.4rem;
    color: var(--text-white);
}

.card-content p {
    color: var(--text-gray);
    font-size: 0.95rem;
    flex-grow: 1;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px;
    padding-top: 15px;
    border-top: 1px solid var(--border-light);
}

.link-action {
    color: var(--primary-light);
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.link-action:hover {
    color: var(--accent);
}

/* Footer */
.footer {
    background: rgba(15, 23, 42, 0.9);
    border-top: 1px solid var(--border-light);
    padding: 60px 5% 20px;
    margin-top: 50px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
    margin-bottom: 40px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.footer-contact p {
    color: var(--text-gray);
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .hero-buttons {
        flex-direction: column;
    }
}