/* ============================================================
   Blue HQ — Main Stylesheet
   Mobile-first, no framework.
   ============================================================ */

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

:root {
    --blue-dark:    #0d47a1;
    --blue:         #1565c0;
    --blue-mid:     #1976d2;
    --blue-light:   #e3f2fd;
    --blue-faint:   #f0f7ff;
    --text:         #1a1a2e;
    --text-muted:   #5c6070;
    --border:       #d0d8e8;
    --white:        #ffffff;
    --radius:       8px;
    --radius-lg:    14px;
    --shadow-sm:    0 1px 3px rgba(0,0,0,.10);
    --shadow-md:    0 4px 16px rgba(0,0,0,.12);
    --transition:   0.18s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.6;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ── Layout ───────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-block;
    padding: .6rem 1.25rem;
    border-radius: var(--radius);
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
    text-align: center;
    line-height: 1.4;
}

.btn-primary {
    background: var(--blue);
    color: var(--white);
    border-color: var(--blue);
}
.btn-primary:hover {
    background: var(--blue-dark);
    border-color: var(--blue-dark);
    text-decoration: none;
}

.btn-ghost {
    background: transparent;
    color: var(--blue);
    border-color: var(--blue);
}
.btn-ghost:hover {
    background: var(--blue-light);
    text-decoration: none;
}

.btn-secondary {
    background: var(--white);
    color: var(--text-muted);
    border-color: var(--border);
}
.btn-secondary:hover {
    background: var(--blue-faint);
    text-decoration: none;
}

.btn-ghost--white {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}
.btn-ghost--white:hover {
    background: rgba(255,255,255,.15);
    text-decoration: none;
}

.btn-lg {
    padding: .85rem 2rem;
    font-size: 1.05rem;
    border-radius: var(--radius-lg);
}

/* ── Site Header ──────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.brand {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--blue-dark);
    letter-spacing: -.02em;
    text-decoration: none;
}
.brand:hover { text-decoration: none; }

.header-nav {
    display: flex;
    align-items: center;
    gap: .75rem;
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-mid) 100%);
    color: var(--white);
    padding: 4rem 0 4.5rem;
    text-align: center;
}

.hero h1 {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -.03em;
    margin-bottom: 1.1rem;
}

.hero-sub {
    font-size: 1.1rem;
    color: rgba(255,255,255,.88);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .85rem;
}

/* ── Features ─────────────────────────────────────────────── */
.features {
    padding: 4rem 0;
    background: var(--white);
}

.features h2,
.pricing h2,
.audience h2 {
    font-size: 1.6rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--text);
    letter-spacing: -.02em;
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.feature-card {
    background: var(--blue-faint);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    transition: box-shadow var(--transition);
}
.feature-card:hover { box-shadow: var(--shadow-md); }

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--blue);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 1.1rem;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: .5rem;
    color: var(--text);
}

.feature-card p {
    color: var(--text-muted);
    font-size: .95rem;
    line-height: 1.65;
}

.feature-card--coming-soon {
    opacity: .65;
    background: #f5f5f7;
}

.coming-soon-label {
    display: inline-block;
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-muted);
    background: var(--border);
    padding: .15rem .55rem;
    border-radius: 20px;
    margin-bottom: .5rem !important;
}

/* ── Pricing ──────────────────────────────────────────────── */
.pricing {
    padding: 4rem 0;
    background: var(--blue-faint);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.pricing-sub {
    color: var(--text-muted);
    margin-top: -.5rem;
    margin-bottom: 2.5rem;
    font-size: 1rem;
}

.plan-grid {
    display: flex;
    justify-content: center;
}

.plan-card {
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.25rem 2rem;
    max-width: 380px;
    width: 100%;
    box-shadow: var(--shadow-md);
    text-align: left;
}

.plan-card--featured {
    border-color: var(--blue);
}

.plan-name {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--blue-dark);
    margin-bottom: .35rem;
}

.plan-price {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1.5rem;
}

.plan-features {
    list-style: none;
    margin-bottom: 2rem;
}

.plan-features li {
    padding: .45rem 0;
    font-size: .95rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--blue-faint);
}

.plan-features li:last-child { border-bottom: none; }

.plan-card .btn { width: 100%; justify-content: center; }

/* ── Audience ─────────────────────────────────────────────── */
.audience {
    padding: 4rem 0;
    text-align: center;
}

.audience p {
    color: var(--text-muted);
    max-width: 660px;
    margin: 0 auto;
    font-size: 1rem;
    line-height: 1.8;
}

/* ── Site Footer ──────────────────────────────────────────── */
.site-footer {
    background: var(--text);
    color: rgba(255,255,255,.7);
    padding: 2rem 0;
    font-size: .875rem;
}

.site-footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .75rem;
    text-align: center;
}

.footer-nav {
    display: flex;
    gap: 1.5rem;
}

.footer-nav a {
    color: rgba(255,255,255,.7);
}
.footer-nav a:hover {
    color: var(--white);
    text-decoration: none;
}

/* ── Responsive: Tablet+ ──────────────────────────────────── */
@media (min-width: 600px) {
    .hero h1 { font-size: 2.75rem; }

    .hero-actions {
        flex-direction: row;
        justify-content: center;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .site-footer .container {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* ── Responsive: Desktop ──────────────────────────────────── */
@media (min-width: 900px) {
    .hero { padding: 6rem 0 7rem; }
    .hero h1 { font-size: 3.5rem; }
    .hero-sub { font-size: 1.2rem; }

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

    .features h2,
    .pricing h2,
    .audience h2 {
        font-size: 2rem;
    }
}

/* ── reCAPTCHA v3 ────────────────────────────────────────────────────────── */
.grecaptcha-badge { visibility: hidden; }

.recaptcha-notice {
    font-size: 0.7rem;
    color: var(--text-muted, #888);
    text-align: center;
    margin-top: 1.5rem;
    opacity: 0.7;
}
.recaptcha-notice a {
    color: var(--text-muted, #888);
    text-decoration: underline;
}