/* CSS Variables & Global Settings */
:root {
    --bg-black: #09090b;
    --bg-dark: #18181b;
    --bg-light: #27272a;
    --accent-primary: #8b5cf6;
    --accent-secondary: #d946ef;
    --text-white: #ffffff;
    --text-gray: #aab2c0;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --shadow-accent: 0 8px 32px 0 rgba(139, 92, 246, 0.15);
    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: linear-gradient(135deg, var(--bg-black) 0%, var(--bg-dark) 50%, var(--bg-light) 100%);
    background-attachment: fixed;
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

h2 span {
    color: var(--accent-primary);
    background: -webkit-linear-gradient(var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.line {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 2px;
    margin-bottom: 1.5rem;
}

/* Navbar */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

#navbar.scrolled {
    padding: 1rem 0;
    background: rgba(9, 9, 11, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-white);
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition);
}

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

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

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

.hamburger {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-white);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: url('./assets/tech_bg_violet.png') center/cover no-repeat;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(24, 24, 27, 0.4) 0%, rgba(9, 9, 11, 0.9) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: -webkit-linear-gradient(#ffffff, #aab2c0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(90deg, var(--accent-secondary), var(--accent-primary));
    color: var(--text-white);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
}

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

.btn-secondary:hover {
    background: rgba(139, 92, 246, 0.1);
    transform: translateY(-3px);
}

/* Services */
.services {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
    transition: left 0.5s ease;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-accent);
    border-color: rgba(139, 92, 246, 0.3);
    background: rgba(139, 92, 246, 0.05);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(139, 92, 246, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-card:hover .icon-wrapper {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--text-white);
    transform: rotateY(360deg);
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.service-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.learn-more {
    color: var(--accent-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.learn-more:hover {
    gap: 0.8rem;
    color: var(--text-white);
}

/* About Section */
.about {
    padding: 6rem 0;
    background: rgba(9, 9, 11, 0.5);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.about-features {
    margin-top: 2rem;
}

.about-features li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 600;
}

.about-features i {
    color: var(--accent-primary);
    font-size: 1.2rem;
}

.about-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 400px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    background: linear-gradient(45deg, var(--bg-black), var(--bg-light));
    border: 1px solid var(--glass-border);
}

.about-image-glitch {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('./assets/tech_bg_violet.png') center/cover no-repeat;
    opacity: 0.6;
    mix-blend-mode: luminosity;
    transition: var(--transition);
}

.about-image-wrapper:hover .about-image-glitch {
    opacity: 1;
    mix-blend-mode: normal;
    transform: scale(1.05);
}

/* Call to Action */
.cta {
    padding: 5rem 0;
    text-align: center;
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--bg-light) 100%);
    position: relative;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.btn-large {
    padding: 1rem 3rem;
    font-size: 1.1rem;
    background: var(--bg-black);
    color: var(--accent-primary);
}

.btn-large:hover {
    background: var(--text-white);
    color: var(--bg-black);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}

/* Footer */
.footer {
    background: var(--bg-black);
    padding: 4rem 0 0 0;
    border-top: 1px solid var(--glass-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    margin-bottom: 1.5rem;
    display: inline-flex;
}

.footer-col p {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: 1px solid var(--glass-border);
}

.social-links a:hover {
    background: var(--accent-primary);
    color: var(--text-white);
    transform: translateY(-3px);
}

.footer-col h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-primary);
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: var(--text-gray);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--accent-primary);
    padding-left: 5px;
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-gray);
    margin-bottom: 1rem;
}

.contact-info i {
    color: var(--accent-primary);
}

.footer-bottom {
    background: #020203;
    padding: 1.5rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

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

/* Responsive */
@media (max-width: 992px) {
    .about-container, .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(9, 9, 11, 0.95);
        backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.5s ease-in-out;
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    }

    .nav-links.active {
        right: 0;
    }

    .hamburger {
        display: block;
        z-index: 1001;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .about-container, .footer-grid {
        grid-template-columns: 1fr;
    }

    .about-image-wrapper {
        height: 300px;
    }
    
    .hero {
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
}

/* Portfolio Grid Specific */
.portfolio-section {
    padding: 10rem 0 6rem 0;
    background: linear-gradient(135deg, var(--bg-main) 0%, var(--bg-dark) 100%);
}
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}
.portfolio-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-accent);
    border-color: rgba(139, 92, 246, 0.3);
    background: rgba(139, 92, 246, 0.05);
}
.portfolio-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    background-color: var(--bg-dark);
    border: 1px solid var(--glass-border);
}
.portfolio-card h3 {
    margin-bottom: 0.8rem;
    font-size: 1.4rem;
}
.portfolio-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}
.portfolio-card .btn {
    align-self: flex-start;
    padding: 0.6rem 2rem;
    font-size: 0.9rem;
}