/* ============================================
   Corpira — Landing Page
   ============================================ */

:root {
    --bg:           #080E1A;
    --bg-section:   #0D1526;
    --bg-card:      #111E33;
    --border:       #1E2D45;
    --accent:       #3B82F6;
    --accent-hover: #2563EB;
    --text-primary: #F1F5F9;
    --text-muted:   #64748B;
    --text-sub:     #94A3B8;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html { font-size: 16px; -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
}

/* ── Nav ──────────────────────────────────────────────────────── */

.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(8,14,26,0.85);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.nav-signin {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-sub);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-signin:hover { color: var(--text-primary); }

/* ── Hero ─────────────────────────────────────────────────────── */

.hero {
    padding: 7rem 2rem 6rem;
    text-align: center;
    background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59,130,246,0.08) 0%, transparent 70%);
}

.hero-inner {
    max-width: 760px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    background: rgba(59,130,246,0.1);
    border: 1px solid rgba(59,130,246,0.25);
    border-radius: 100px;
    padding: 0.35rem 1rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 1.75rem;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

.hero-accent {
    color: var(--accent);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-sub);
    line-height: 1.7;
    max-width: 620px;
    margin: 0 auto 2.5rem;
}

.hero-form {
    display: flex;
    gap: 0.75rem;
    max-width: 480px;
    margin: 0 auto 1rem;
}

.hero-input {
    flex: 1;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.04);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.hero-input::placeholder { color: var(--text-muted); }
.hero-input:focus { border-color: var(--accent); }

.hero-btn {
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    border: none;
    background: var(--accent);
    color: #fff;
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;
}

.hero-btn:hover { background: var(--accent-hover); }

.hero-note {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.honeypot { display: none; }

/* ── Sections ─────────────────────────────────────────────────── */

.section {
    padding: 5rem 2rem;
}

.section-dark {
    background: var(--bg-section);
}

.section-cta {
    text-align: center;
    padding: 6rem 2rem;
    background: radial-gradient(ellipse 70% 60% at 50% 100%, rgba(59,130,246,0.07) 0%, transparent 70%);
}

.section-cta .hero-form {
    justify-content: center;
}

.section-cta .section-title {
    font-size: 2rem;
}

.section-cta .hero-subtitle {
    margin: 1rem auto 2rem;
    max-width: 540px;
}

.section-inner {
    max-width: 1000px;
    margin: 0 auto;
}

.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 3rem;
    max-width: 640px;
}

/* ── Cards ────────────────────────────────────────────────────── */

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.75rem;
}

.card-icon {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
}

.card p {
    font-size: 0.875rem;
    color: var(--text-sub);
    line-height: 1.65;
}

/* ── Features ─────────────────────────────────────────────────── */

.features {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.feature {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.feature-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: rgba(59,130,246,0.1);
    border: 1px solid rgba(59,130,246,0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.feature-icon svg {
    width: 20px;
    height: 20px;
}

.feature-content h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.feature-content p {
    font-size: 0.9rem;
    color: var(--text-sub);
    line-height: 1.65;
    max-width: 600px;
}

/* ── Audience ─────────────────────────────────────────────────── */

.audience {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.audience-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.audience-item::before {
    content: '';
    width: 8px;
    height: 8px;
    min-width: 8px;
    border-radius: 50%;
    background: var(--accent);
}

/* ── Footer ───────────────────────────────────────────────────── */

.footer {
    border-top: 1px solid var(--border);
    padding: 2rem;
}

.footer-inner {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.footer-logo {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-link {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* ── Responsive ───────────────────────────────────────────────── */

@media (max-width: 768px) {
    .hero { padding: 5rem 1.5rem 4rem; }
    .hero-form { flex-direction: column; }
    .hero-btn { width: 100%; }
    .cards { grid-template-columns: 1fr; }
    .audience { grid-template-columns: 1fr; }
    .section { padding: 4rem 1.5rem; }
    .section-title { font-size: 1.5rem; }
}