/* ── Reset & base ────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg:            #07071a;
    --surface:       #0e0e28;
    --text:          #c8c8e0;
    --text-dim:      #6a6a8a;
    --accent:        #7ba7d8;
    --accent-bright: #a8c8f0;
    --accent-glow:   rgba(123, 167, 216, 0.18);
    --border:        rgba(123, 167, 216, 0.15);
    --white:         #f0f0ff;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.75;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Hero ────────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('img/background.jpg');
    background-size: cover;
    background-position: center 30%;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(60, 80, 160, 0.25) 0%, transparent 70%),
        linear-gradient(to bottom,
            rgba(7, 7, 26, 0.30) 0%,
            rgba(7, 7, 26, 0.65) 60%,
            rgba(7, 7, 26, 0.95) 100%
        );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
}

.hero-badge {
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--accent-bright);
    opacity: 0.8;
}

.hero-content h1 {
    font-size: clamp(2.2rem, 6vw, 4.5rem);
    font-weight: 300;
    letter-spacing: 0.04em;
    color: var(--white);
    line-height: 1.15;
    text-shadow: 0 2px 40px rgba(0, 0, 40, 0.8);
}

.hero-tagline {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    color: var(--accent-bright);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 300;
    opacity: 0.85;
}

/* ── Main content ────────────────────────────────── */
main {
    flex: 1;
    display: flex;
    justify-content: center;
    padding: 5rem 1.5rem;
}

.about {
    max-width: 660px;
    width: 100%;
}

.about h2 {
    font-size: 1.6rem;
    font-weight: 400;
    color: var(--white);
    margin-bottom: 1.75rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
    letter-spacing: 0.03em;
}

.about p {
    font-size: 1.05rem;
    color: var(--text);
    margin-bottom: 1.4rem;
}

.about p:last-of-type {
    margin-bottom: 2.5rem;
}

.about strong {
    color: var(--white);
    font-weight: 600;
}

/* CTA button */
.cta {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.8rem 1.6rem;
    background: var(--accent-glow);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--accent-bright);
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 0.03em;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.cta:hover {
    background: rgba(123, 167, 216, 0.28);
    border-color: rgba(123, 167, 216, 0.4);
    color: var(--white);
}

.cta img {
    width: 18px;
    height: 18px;
    filter: invert(1);
    opacity: 0.7;
}

/* ── Footer ──────────────────────────────────────── */
footer {
    border-top: 1px solid var(--border);
    padding: 1.75rem 1.5rem;
}

.footer-inner {
    max-width: 660px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.footer-inner span {
    color: var(--text-dim);
    font-size: 0.875rem;
}

.footer-inner a {
    display: flex;
    align-items: center;
    opacity: 0.45;
    transition: opacity 0.2s;
}

.footer-inner a:hover {
    opacity: 1;
}

.footer-inner img {
    width: 22px;
    height: 22px;
    filter: invert(1);
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 480px) {
    .hero {
        background-position: 60% 30%;
    }

    main {
        padding: 3.5rem 1.25rem;
    }
}