:root {
  --bg: #f7f3ea;
  --bg-accent: #efe2d4;
  --panel: rgba(255, 255, 255, 0.82);
  --text: #1b1331;
  --muted: #675d78;
  --line: rgba(72, 44, 108, 0.14);
  --purple: #3979ff;
  --purple-deep: #2459cf;
  --rose: #ff8d71;
  --shadow: 0 28px 70px rgba(56, 31, 94, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 141, 113, 0.24), transparent 28%),
    radial-gradient(circle at top right, rgba(57, 121, 255, 0.2), transparent 30%),
    linear-gradient(180deg, #fdf9f2 0%, var(--bg) 52%, #f3ebdf 100%);
}

.subscribe-shell {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 56px;
}

.hero-card,
.signup-card,
.social-card {
  background: var(--panel);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-card {
  display: grid;
  grid-template-columns: 1.2fr 0.95fr;
  gap: 26px;
  align-items: center;
  border-radius: 36px;
  padding: 24px;
  overflow: hidden;
}

.hero-copy {
  padding: 18px 18px 18px 24px;
}

.hero-logo {
  display: block;
  width: min(220px, 72%);
  height: auto;
  margin: 0 0 18px;
}

.eyebrow,
.card-label {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 11px;
  font-weight: 700;
  color: var(--purple);
}

.hero-copy h1,
.signup-card h2,
.social-card h2 {
  margin: 0;
  font-family: "Roboto Serif", Georgia, serif;
  line-height: 1.06;
}

.hero-copy h1 {
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  max-width: 10ch;
}

.hero-text,
.signup-card p,
.social-card p,
.mini-note p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  margin: 18px 0 0;
  font-size: 1rem;
  max-width: 54ch;
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
  display: grid;
  gap: 12px;
}

.hero-points li {
  position: relative;
  padding-left: 20px;
  font-size: 0.97rem;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--rose), var(--purple));
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  aspect-ratio: 16 / 10;
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(57, 121, 255, 0.92), rgba(255, 141, 113, 0.72));
}

.hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: inherit;
}

.signup-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 24px;
  margin-top: 26px;
}

.signup-card,
.social-card {
  border-radius: 30px;
  padding: 28px;
}

.subscribe-form {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.subscribe-form label {
  display: grid;
  gap: 8px;
}

.subscribe-form span {
  font-size: 0.9rem;
  font-weight: 600;
}

.subscribe-form input {
  width: 100%;
  border: 1px solid rgba(57, 121, 255, 0.2);
  border-radius: 16px;
  padding: 14px 16px;
  font: inherit;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
}

.subscribe-form input:focus {
  outline: 2px solid rgba(109, 40, 217, 0.24);
  border-color: rgba(109, 40, 217, 0.42);
}

.topic-choice-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 14px;
  border: 1px solid rgba(109, 40, 217, 0.18);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.58);
}

.topic-choice-group legend {
  padding: 0 6px;
  color: var(--purple);
  font-size: 0.82rem;
  font-weight: 800;
}

.topic-choice-group label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(109, 40, 217, 0.08);
  font-size: 0.9rem;
  font-weight: 700;
}

.topic-choice-group input {
  width: 14px;
  height: 14px;
  accent-color: var(--purple);
}

.subscribe-form button {
  border: 0;
  border-radius: 16px;
  padding: 15px 18px;
  font: inherit;
  font-weight: 800;
  color: white;
  cursor: pointer;
  background: linear-gradient(135deg, var(--purple-deep), var(--purple));
  box-shadow: 0 16px 28px rgba(77, 28, 156, 0.28);
  transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

.subscribe-form button:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 32px rgba(77, 28, 156, 0.32);
}

.subscribe-form button:disabled {
  opacity: 0.72;
  cursor: wait;
  transform: none;
}

.subscribe-message {
  min-height: 24px;
  margin-top: 16px;
  font-size: 0.95rem;
  font-weight: 600;
}

.subscribe-message.success {
  color: #0d7a48;
}

.subscribe-message.error {
  color: #b42318;
}

.social-actions {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.social-link {
  display: grid;
  gap: 4px;
  text-decoration: none;
  color: var(--text);
  padding: 18px 18px 16px;
  border-radius: 20px;
  border: 1px solid rgba(109, 40, 217, 0.16);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.74));
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.social-link:hover {
  transform: translateY(-2px);
  border-color: rgba(109, 40, 217, 0.3);
  box-shadow: 0 18px 28px rgba(67, 36, 117, 0.16);
}

.social-title {
  font-weight: 800;
}

.social-handle {
  color: var(--muted);
  font-size: 0.94rem;
}

.x {
  background:
    linear-gradient(135deg, rgba(31, 31, 31, 0.92), rgba(79, 79, 79, 0.85)),
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.74));
  color: white;
}

.x .social-handle {
  color: rgba(255, 255, 255, 0.78);
}

.linkedin {
  background:
    linear-gradient(135deg, rgba(12, 90, 172, 0.08), rgba(255, 255, 255, 0.92));
}

.mini-note {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.mini-note strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.96rem;
}

@media (max-width: 900px) {
  .hero-card,
  .signup-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding: 8px;
  }
}

@media (max-width: 560px) {
  .subscribe-shell {
    width: min(100% - 20px, 1100px);
    padding: 20px 0 34px;
  }

  .hero-card,
  .signup-card,
  .social-card {
    border-radius: 24px;
  }

  .hero-card,
  .signup-card,
  .social-card {
    padding: 18px;
  }

  .hero-copy h1 {
    max-width: none;
  }
}