:root {
    --bg: #f5f7fb;
    --surface: #ffffff;
    --surface-strong: #eef2f8;
    --text: #111827;
    --muted: #6b7280;
    --primary: #3b4ddb;
    --primary-dark: #2b3ab8;
    --accent: #1fbf9e;
    --border: #dbe2ec;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Inter', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

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

button,
.btn {
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

button:hover,
.btn:hover {
    transform: translateY(-1px);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 24px 40px;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 20;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-brand .logo {
    height: 52px;
    width: auto;
}

.brand-name {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
}

.brand-tag {
    display: block;
    color: var(--muted);
    font-size: 0.88rem;
}

.nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 500;
}

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

.hero {
    display: grid;
    place-items: center;
    min-height: 520px;
    padding: 40px 20px;
    background-image: linear-gradient(180deg, rgba(15, 23, 42, 0.35), rgba(15, 23, 42, 0.65)), url('/assets/images/team.jpeg');
    background-size: cover;
    background-position: center;
    color: #ffffff;
    text-align: left;
}

.hero-copy {
    max-width: 700px;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 18px;
    color: #a5b4fc;
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero h1 {
    font-size: clamp(2.8rem, 4vw, 4.6rem);
    line-height: 1.05;
    margin: 0 0 18px;
}

.hero p {
    max-width: 620px;
    margin-bottom: 30px;
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.88);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.btn {
    padding: 14px 26px;
    border-radius: 999px;
    font-weight: 600;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.18);
    color: #ffffff;
}

.overview-grid,
.cards-row,
.video-grid {
    display: grid;
    gap: 20px;
}

.overview-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px 20px;
}

.overview-card,
.team-card,
.video-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 28px;
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.06);
}

.overview-card h2,
.team-card h3,
.video-card h3 {
    margin-top: 0;
    margin-bottom: 14px;
    color: var(--text);
}

.overview-card p,
.team-card p,
.video-card p,
.section-header p {
    color: var(--muted);
    margin: 0;
}

.content-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px 40px;
}

.section-header {
    margin-bottom: 32px;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.cards-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.team-card {
    text-align: center;
}

.team-logo {
    height: 80px;
    margin: 20px auto;
}

.video-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.video-card iframe {
    width: 100%;
    min-height: 240px;
    border-radius: 18px;
    border: 1px solid var(--border);
}

.video-card h3 {
    margin-top: 18px;
}

.site-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 24px 40px;
    background: #ffffff;
    border-top: 1px solid var(--border);
}

.footer-copy p {
    margin: 0;
    color: var(--muted);
}

.footer-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--muted);
    font-size: 0.95rem;
}

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

@media (max-width: 1024px) {
    .overview-grid,
    .cards-row,
    .video-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-links {
        flex-wrap: wrap;
        gap: 16px;
    }

    .hero {
        text-align: center;
        min-height: 460px;
    }

    .hero-copy {
        max-width: 100%;
    }

    .overview-grid,
    .cards-row,
    .video-grid {
        grid-template-columns: 1fr;
    }
}