:root {
    --primary: #9ED8DB;
    --primary-dark: #114B5F;
    --primary-glow: rgba(158, 216, 219, 0.3);
    --bg-dark: #0A0A0A;
    --bg-card: rgba(255, 255, 255, 0.05);
    --text-main: #FFFFFF;
    --text-dim: #E0E0E0;
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

h1,
h2,
h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Scroll Smoothing */
html {
    scroll-behavior: smooth;
}

/* Glassmorphism Utility */
.glass {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-dark);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    padding: 10px 0;
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* Hero & Carousel */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: -1;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-bg.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(10, 10, 10, 0.8), rgba(10, 10, 10, 0.6));
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #fff, var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-dim);
    max-width: 600px;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    background-color: var(--primary);
    color: #0A0A0A;
    text-decoration: none;
    font-weight: 700;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 10px 20px var(--primary-glow);
}

.btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--primary-glow);
    filter: brightness(1.1);
}

section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-title .underline {
    width: 80px;
    height: 4px;
    background: var(--primary);
    margin: 0 auto;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    padding: 40px;
    transition: var(--transition);
    cursor: pointer;
}

.card:hover {
    transform: translateY(-10px);
    background: rgba(158, 216, 219, 0.1);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(158, 216, 219, 0.1);
}

.card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
    }
}