/* ── Design Tokens ── */

:root {
  --color-bg: #0A0D14;
  --color-bg-soft: #101522;
  --color-text: #FFFFFF;
  --color-text-muted: #A7B0C0;
  --color-border: rgba(255,255,255,0.08);
  --color-primary: #B8FF3C;
  --color-primary-hover: #C9FF66;
  --color-primary-text: #0B0F14;
  --font-heading: "Anton", "Oswald", "Bebas Neue", sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --radius-pill: 999px;
}

/* ── Reset & Base ── */

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

html {
  height: 100%;
}

body {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */

main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
}

.container {
  max-width: 480px;
  width: 100%;
  text-align: center;
}

/* ── Logo ── */

.logo {
  display: block;
  margin: 0 auto 3rem;
  max-width: 280px;
  width: 100%;
  height: auto;
}

/* ── Typography ── */

h1 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 0.95;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.tagline {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

/* ── Form ── */

.form-group {
  display: flex;
  gap: 0;
}

input[type="email"] {
  flex: 1;
  padding: 14px 1rem;
  font-size: 0.95rem;
  font-family: var(--font-body);
  border: 1px solid var(--color-border);
  border-right: none;
  border-radius: var(--radius-pill) 0 0 var(--radius-pill);
  background: var(--color-bg-soft);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s;
}

input[type="email"]::placeholder {
  color: var(--color-text-muted);
}

input[type="email"]:focus {
  border-color: #5574C5;
}

button[type="submit"] {
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 700;
  font-family: var(--font-body);
  border: none;
  border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
  background: var(--color-primary);
  color: var(--color-primary-text);
  cursor: pointer;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: background 0.2s;
}

button[type="submit"]:hover {
  background: var(--color-primary-hover);
}

button[type="submit"]:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ── Form Messages ── */

.form-message {
  margin-top: 1rem;
  font-size: 0.85rem;
  min-height: 1.2em;
}

.form-message.success {
  color: var(--color-primary);
}

.form-message.error {
  color: #e57373;
}

/* ── Footer ── */

footer {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  padding: 1.5rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ── Responsive ── */

@media (max-width: 480px) {
  .logo {
    max-width: 200px;
    margin-bottom: 2rem;
  }

  h1 {
    font-size: 1.25rem;
  }

  .form-group {
    flex-direction: column;
  }

  input[type="email"] {
    border-right: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    margin-bottom: 0.5rem;
  }

  button[type="submit"] {
    border-radius: var(--radius-pill);
  }
}