@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --bg-main: #06080b;
    --bg-surface: #0a0d14;
    --bg-card: rgba(17, 19, 24, 0.6);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --accent-glow: rgba(56, 189, 248, 0.3);
    --border: rgba(255, 255, 255, 0.08);
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Glassmorphism utility */
.glass {
    background: rgba(10, 13, 20, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

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

.logo-text {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.05em;
    color: var(--text-main);
    background: linear-gradient(90deg, #fff, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--text-main);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), #2563eb);
    color: #fff;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border);
    box-shadow: none;
}

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

/* Sections */
section {
    padding: 120px 0;
    border-bottom: 1px solid var(--border);
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    background: linear-gradient(90deg, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 48px;
    max-width: 600px;
}

/* Grid */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 40px;
    border-radius: 12px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, var(--accent-glow), transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(56, 189, 248, 0.4);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card:hover::before {
    opacity: 1;
}

.card-badge {
    color: var(--accent);
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 16px;
    display: inline-block;
}

.card-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.card-text {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 24px;
}

.card-link {
    color: var(--text-main);
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s ease;
    cursor: pointer;
}

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

/* Hero Section specific */
.hero {
    position: relative;
    padding: 180px 0 120px 0;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-bg-gradient {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 80%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
    z-index: -1;
    filter: blur(80px);
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(90deg, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.6;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    background-color: rgba(17, 19, 24, 0.8);
    border: 1px solid var(--border);
    padding: 14px;
    border-radius: 6px;
    color: var(--text-main);
    font-size: 15px;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
footer {
    background-color: var(--bg-surface);
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-title {
    color: var(--text-main);
    margin-bottom: 16px;
    font-weight: 600;
    font-size: 16px;
}

.footer-link {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    padding-top: 24px;
    color: var(--text-muted);
    font-size: 14px;
}

/* Feature List (Integration) */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.feature-item {
    border-left: 3px solid var(--accent);
    padding-left: 24px;
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateX(8px);
}

.feature-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-main);
}

.feature-item p {
    color: var(--text-muted);
    font-size: 15px;
}

@media (max-width: 992px) {
    .grid-2 { grid-template-columns: 1fr; }
    .hero h1 { font-size: 42px; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .nav-menu { display: none; }
    .hero { padding: 140px 0 80px 0; text-align: center; }
    .hero-bg-gradient { right: 0; width: 100%; top: -10%; }
    section { padding: 80px 0; }
    .section-title { font-size: 28px; }
    .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}