/* =================== VARIABLES =================== */
:root {
    --bg-dark: #020617; /* Deep Space Background */
    --primary: #8B5CF6; /* Violet Accent */
    --primary-hover: #7c3aed;
    --text-main: #f8fafc;
    --text-muted: #cbd5e1;
    --nav-bg: rgba(2, 6, 23, 0.7);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =================== RESET & GLOBAL =================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* =================== UTILITIES =================== */
.text-gradient {
    background: linear-gradient(135deg, #a78bfa, #8B5CF6, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px 0 rgba(139, 92, 246, 0.39);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* =================== 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-color: var(--nav-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.nav-list {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-main);
    transition: var(--transition);
    border-radius: 3px;
}

/* =================== HERO SECTION =================== */
.hero {
    position: relative;
    padding: 12rem 0 8rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg-glow {
    position: absolute;
    top: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 80vw;
    height: 80vh;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-wrap: balance;
}

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

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.glass-panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 1rem;
    backdrop-filter: blur(16px);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.glass-panel:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.hero-img {
    border-radius: 16px;
    object-fit: cover;
    aspect-ratio: 4/3;
}

/* =================== SERVICES SECTION =================== */
.services {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.125rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.glass-card:hover {
    transform: translateY(-10px);
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(139, 92, 246, 0.1);
}

.card-img-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.glass-card:hover .card-img-wrapper img {
    transform: scale(1.05);
}

.img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg-dark), rgba(2, 6, 23, 0.2));
    opacity: 0.8;
}

.card-content {
    padding: 2rem;
    position: relative;
    z-index: 1;
    flex-grow: 1;
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.card-content p {
    color: var(--text-muted);
}

/* =================== FOOTER =================== */
.footer {
    border-top: 1px solid var(--glass-border);
    padding: 4rem 0 2rem;
    background: linear-gradient(to top, rgba(139, 92, 246, 0.05), transparent);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.brand-col p {
    color: var(--text-muted);
    max-width: 300px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.social-icons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.social-icons a {
    color: var(--text-muted);
    transition: var(--transition);
}

.social-icons a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* =================== RESPONSIVE =================== */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-bg-glow {
        top: 0;
    }

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

    .hero-subtitle {
        margin: 0 auto 2.5rem;
        max-width: 600px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .glass-panel {
        transform: none;
        max-width: 800px;
        margin: 0 auto;
    }

    .glass-panel:hover {
        transform: none;
    }

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

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

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: rgba(2, 6, 23, 0.98);
        backdrop-filter: blur(15px);
        display: flex;
        justify-content: center;
        align-items: center;
        transition: var(--transition);
    }

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

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .nav-link {
        font-size: 1.5rem;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero {
        padding: 8rem 0 4rem;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn-large {
        width: 100%;
    }

    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2.5rem;
    }

    .brand-col p {
        margin: 0 auto;
    }

    .footer-links {
        align-items: center;
    }

    .footer-links a:hover {
        padding-left: 0;
        transform: translateY(-2px);
    }

    .social-icons {
        align-items: center;
    }
}