:root {
    --bg: #0a0e1a;
    --surface: rgba(255, 255, 255, 0.04);
    --border: rgba(255, 255, 255, 0.1);
    --text: #e8eaf2;
    --muted: #9aa3b8;
    --accent: #4ade80;
    --accent-dim: #22c55e;
}

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

html,
body {
    width: 100%;
    min-height: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ===== Layout ===== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background:
        radial-gradient(ellipse 80% 50% at 20% -10%, rgba(74, 222, 128, 0.12), transparent),
        radial-gradient(ellipse 60% 50% at 90% 110%, rgba(99, 102, 241, 0.12), transparent),
        var(--bg);
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
    pointer-events: none;
}

.glow-1 {
    width: 420px;
    height: 420px;
    top: -120px;
    left: -100px;
    background: #22c55e;
}

.glow-2 {
    width: 380px;
    height: 380px;
    bottom: -140px;
    right: -80px;
    background: #6366f1;
}

.hero-inner {
    position: relative;
    z-index: 1;
    flex: 1;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 900px) {
    .hero-inner {
        grid-template-columns: 1.1fr 1fr;
        gap: 4rem;
    }
}

/* ===== Intro ===== */

.badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(74, 222, 128, 0.1);
    border: 1px solid rgba(74, 222, 128, 0.3);
    border-radius: 999px;
    padding: 0.4rem 1rem;
    margin-bottom: 1.5rem;
}

.domain {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    color: #fff;
}

.domain .tld {
    color: var(--accent);
}

.tagline {
    margin-top: 1.25rem;
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--muted);
    max-width: 30rem;
}



/* ===== Offer form card ===== */

.offer-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1.25rem;
    padding: 2.25rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

.offer-card h2 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.card-sub {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0.35rem 0 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-control {
    width: 100%;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 0.65rem;
    padding: 0.85rem 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control::placeholder {
    color: #6b7280;
}

/* hide number input spinner arrows */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

.form-control:hover,
.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.15);
}

textarea.form-control {
    min-height: 6rem;
    resize: vertical;
}

.field-error {
    color: #f87171;
    font-size: 0.8rem;
    margin-top: 0.35rem;
}

.hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.btn-submit {
    width: 100%;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: #06130a;
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    border: none;
    border-radius: 0.65rem;
    padding: 0.9rem 1rem;
    margin-top: 0.5rem;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.2s;
}

.btn-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(74, 222, 128, 0.35);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

#form-status {
    margin-top: 0.9rem;
    font-size: 0.9rem;
    text-align: center;
    min-height: 1.2em;
}

#form-status.ok {
    color: var(--accent);
}

#form-status.err {
    color: #f87171;
}

/* ===== Footer ===== */

.site-footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 1.5rem;
    font-size: 0.8rem;
    color: #525b70;
}