/* ── CSS Custom Properties ── */
:root {
    --bg-dark: #111111;
    --bg-signup: #1a1a1a;
    --bg-footer: #141414;
    --text-primary: #e0e0e0;
    --text-muted: #999999;
    --accent-green: #22c55e;
    --accent-red: #ef4444;
    --accent-yellow: #eab308;
    --accent-amber: #f59e0b;
    --font-mono: "Noto Sans Mono", monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    color: var(--text-primary);
    background: var(--bg-dark);
    -webkit-font-smoothing: antialiased;
}

/* ── Hero Section ── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-image: url("/images/splash.png");
    background-size: cover;
    background-position: center;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
}

/* ── Branding cluster (centered in viewport) ── */
.hero-branding {
    position: relative;
    z-index: 1;
    padding: 2rem;
    margin-top: auto;
}

.hero-title {
    font-size: clamp(2rem, 6vw, 5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--text-primary);
}

.hero-symbols {
    width: clamp(160px, 25vw, 320px);
    margin-top: 1.5rem;
}

.hero-tagline {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 400;
    color: var(--text-muted);
    margin-top: 2rem;
}

.hero-steam {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-top: 1.5rem;
}

/* ── Bottom section (signup + social + footer) ── */
.hero-bottom {
    position: relative;
    z-index: 1;
    width: 100%;
    margin-top: auto;
    padding: 0 2rem 1rem;
}

.hero-signup {
    margin-bottom: 1.5rem;
}

.signup-heading {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--accent-green);
}

.signup-fallback {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.sender-form-field {
    max-width: 500px;
    margin: 0 auto;
}

/* ── Social Links (inside hero) ── */
.social {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.social a {
    color: var(--text-primary);
    transition: color 0.2s ease;
}

.social a:hover {
    color: #ffffff;
}

.social svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

/* ── Footer ── */
.footer {
    margin-top: 1.5rem;
    padding: 1rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}