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

/* Global */
body {
    font-family: 'Inter', system-ui, sans-serif;
    color: #f4f5f8;
    background: #05070d;
    min-height: 100vh;
    margin: 0;
}

a {
    color: inherit;
    transition: color 0.3s ease;
}

a:hover {
    color: #9ec9ff;
}

.section-title {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    color: #a6b1ff;
}

section {
    padding: 5rem 0;
}

.container {
    max-width: 1100px;
}

/* Hero */
.hero-section {
    position: relative;
    min-height: 90vh;
    background: linear-gradient(135deg, rgba(3, 15, 36, 0.8), rgba(12, 30, 60, 0.95)),
        url('images/hero_bg.jpg') no-repeat center center/cover;
    display: flex;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

.hero-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(158, 201, 255, 0.35), transparent 45%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: clamp(2.5rem, 4vw, 4rem);
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.hero-lead {
    font-size: 1.2rem;
    max-width: 640px;
    margin: 0 auto 1.5rem;
    color: #d7dffa;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-cta .btn {
    min-width: 180px;
    border-radius: 999px;
    font-weight: 600;
    padding: 0.85rem 1.75rem;
    transition: transform 0.3s ease;
}

.hero-cta .btn-outline-light {
    border-width: 2px;
}

.hero-cta .btn:hover {
    transform: translateY(-3px);
}

.hero-stats {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-stat {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 1rem;
    padding: 1rem 1.5rem;
    min-width: 160px;
}

.hero-stat strong {
    display: block;
    font-size: 1.6rem;
    color: #f6f8ff;
}

.hero-stat span {
    font-size: 0.85rem;
    color: #a6b1ff;
}

/* Sections */
.section-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1.25rem;
    padding: 2rem;
    box-shadow: 0 30px 60px rgba(2, 6, 23, 0.9);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.section-card:hover {
    transform: translateY(-6px);
    border-color: rgba(159, 214, 255, 0.5);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-card {
    background: rgba(11, 17, 45, 0.9);
    border-radius: 1.25rem;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-card h3 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 1.35rem;
    margin: 0;
}

.feature-card p {
    color: #c8d0e7;
    line-height: 1.5;
}

.feature-card .badge {
    background: rgba(158, 201, 255, 0.15);
    color: #9ec9ff;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
}

.demo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.demo-card {
    border-radius: 1.25rem;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(3, 8, 20, 0.9);
}

.demo-card img,
.demo-card iframe {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.demo-card-body {
    padding: 1.5rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.tech-pill {
    border-radius: 999px;
    padding: 0.65rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid transparent;
    color: #f3f4ff;
    font-size: 0.9rem;
    text-align: center;
    align-self: stretch;
    transition: border 0.3s ease, transform 0.3s ease;
}

.tech-pill:hover {
    border-color: rgba(228, 234, 255, 0.5);
    transform: translateY(-2px);
}

.video-embed {
    border-radius: 1.25rem;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 2rem;
}

footer {
    background: linear-gradient(180deg, rgba(3, 7, 15, 0.97), rgba(0, 0, 0, 0.95));
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: #8c94ae;
}

footer p {
    margin: 0;
}