@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── Design Tokens ───────────────────────────────────── */
:root {
  --bg-primary: #0a0a12;
  --bg-card: rgba(255, 255, 255, 0.04);
  --border-card: rgba(255, 255, 255, 0.08);
  --text-primary: #f0f0f5;
  --text-secondary: rgba(240, 240, 245, 0.55);
  --accent-1: #6c5ce7;
  --accent-2: #00b4d8;
  --accent-gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  --glow-color: rgba(108, 92, 231, 0.35);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

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

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* ── Particle Canvas ─────────────────────────────────── */
#particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── Ambient Glow Blobs ──────────────────────────────── */
.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}
.glow--1 {
  width: 500px; height: 500px;
  background: var(--accent-1);
  top: -10%; left: -8%;
  animation: drift 18s ease-in-out infinite alternate;
}
.glow--2 {
  width: 400px; height: 400px;
  background: var(--accent-2);
  bottom: -12%; right: -6%;
  animation: drift 22s ease-in-out infinite alternate-reverse;
}

@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(40px, -30px) scale(1.08); }
  100% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ── Main Card ───────────────────────────────────────── */
.card {
  position: relative;
  z-index: 1;
  width: min(92vw, 580px);
  padding: 3.5rem 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 24px;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  text-align: center;
  animation: fadeUp 1s ease-out both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Brand ───────────────────────────────────────────── */
.brand {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.25rem;
  text-shadow: 0 0 40px var(--glow-color);
}

.tagline {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 2.5rem;
  letter-spacing: 0.02em;
}

/* ── Heading ─────────────────────────────────────────── */
.heading {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

/* ── Countdown ───────────────────────────────────────── */
.countdown {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  margin-bottom: 2.5rem;
}

.countdown__block {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 64px;
}

.countdown__number {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.countdown__label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  margin-top: 0.35rem;
  font-weight: 500;
}

.countdown__separator {
  font-size: 2rem;
  font-weight: 300;
  color: rgba(255,255,255,0.15);
  align-self: flex-start;
  line-height: 1;
}

/* ── Email Form ──────────────────────────────────────── */
.form {
  display: flex;
  gap: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border-card);
  background: rgba(255, 255, 255, 0.03);
  margin-bottom: 1.5rem;
  transition: border-color 0.3s;
}
.form:focus-within {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

.form__input {
  flex: 1;
  padding: 0.9rem 1.2rem;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text-primary);
}
.form__input::placeholder {
  color: var(--text-secondary);
}

.form__btn {
  padding: 0.9rem 1.6rem;
  background: var(--accent-gradient);
  border: none;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s, transform 0.2s;
}
.form__btn:hover {
  opacity: 0.9;
  transform: scale(1.02);
}
.form__btn:active {
  transform: scale(0.98);
}

/* Success state */
.form--success {
  border-color: #00c896;
  box-shadow: 0 0 0 3px rgba(0, 200, 150, 0.15);
}
.form--success .form__btn {
  background: #00c896;
}

/* ── Footer ──────────────────────────────────────────── */
.footer {
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.socials {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 0.6rem;
}

.socials a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  transition: color 0.25s;
}
.socials a:hover {
  color: var(--text-primary);
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 480px) {
  .card { padding: 2.5rem 1.5rem; }
  .brand { font-size: 2rem; }
  .countdown { gap: 0.7rem; }
  .countdown__number { font-size: 1.8rem; }
  .countdown__block { min-width: 50px; }
  .form { flex-direction: column; }
  .form__btn { padding: 0.85rem; }
}