:root {
  --bg-primary: #0a0c10;
  --bg-secondary: #12161f;
  --bg-card: rgba(22, 27, 38, 0.7);
  --bg-card-hover: rgba(28, 34, 48, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(214, 40, 40, 0.35);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-red: #d62828;
  --accent-red-hover: #e63946;
  --accent-amber: #f4a261;
  --accent-blue: #38bdf8;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --container-max-width: 1080px;
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  color-scheme: dark;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(214, 40, 40, 0.18), transparent 70%),
    radial-gradient(circle 600px at 80% 80%, rgba(244, 162, 97, 0.08), transparent 70%),
    var(--bg-primary);
}

/* Ambient Background Lights */
.bg-ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-blob-1 {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: min(90vw, 700px);
  height: 400px;
  background: radial-gradient(ellipse, rgba(214, 40, 40, 0.12) 0%, transparent 70%);
  filter: blur(60px);
}

.ambient-blob-2 {
  position: absolute;
  bottom: 10%;
  right: 10%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(244, 162, 97, 0.08) 0%, transparent 70%);
  filter: blur(80px);
}

/* Header */
.site-header {
  position: relative;
  z-index: 10;
  width: 100%;
  padding-block: 28px;
  padding-inline: clamp(20px, 5vw, 48px);
}

.header-container {
  max-width: var(--container-max-width);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}

.brand-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-red);
  box-shadow: 0 0 10px var(--accent-red);
  animation: pulse-glow 2.5s infinite ease-in-out;
}

@keyframes pulse-glow {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.85);
  }
}

/* Main Container */
.main-content {
  position: relative;
  z-index: 10;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: var(--container-max-width);
  width: 100%;
  margin-inline: auto;
  padding-block: clamp(32px, 8vh, 72px);
  padding-inline: clamp(20px, 5vw, 48px);
}

/* Hero Section */
.hero-section {
  text-align: center;
  max-width: 820px;
  margin-inline: auto;
  margin-block-end: clamp(40px, 7vh, 64px);
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-block-end: 24px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(214, 40, 40, 0.12);
  border: 1px solid rgba(214, 40, 40, 0.25);
  color: #ff8585;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.1rem, 5.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
  margin-block-end: 24px;
  background: linear-gradient(180deg, #ffffff 40%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #ff6b6b 0%, #d62828 50%, #f4a261 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 660px;
  margin-inline: auto;
  margin-block-end: 36px;
}

/* Signup / Notification Form */
.signup-box {
  max-width: 480px;
  margin-inline: auto;
  margin-block-end: 16px;
}

.signup-form {
  display: flex;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  padding: 6px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.signup-form:focus-within {
  border-color: rgba(214, 40, 40, 0.5);
  box-shadow: 0 0 0 3px rgba(214, 40, 40, 0.15);
}

.signup-input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
}

.signup-input::placeholder {
  color: var(--text-muted);
}

.signup-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent-red);
  color: #ffffff;
  border: none;
  padding: 12px 22px;
  border-radius: calc(var(--radius-md) - 4px);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
  white-space: nowrap;
}

.signup-btn:hover {
  background: var(--accent-red-hover);
}

.signup-btn:active {
  transform: scale(0.98);
}

.form-feedback {
  margin-block-start: 12px;
  font-size: 0.88rem;
  min-height: 22px;
  transition: opacity 0.2s ease;
}

.form-feedback.success {
  color: #4ade80;
}

.form-feedback.error {
  color: #f87171;
}

/* Feature Pillars Grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  width: 100%;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  backdrop-filter: blur(16px);
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.pillar-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.15);
  background: var(--bg-card-hover);
}

.pillar-number {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-amber);
  text-transform: uppercase;
  margin-block-end: 12px;
}

.pillar-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-block-end: 10px;
  color: var(--text-primary);
}

.pillar-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Footer */
.site-footer {
  position: relative;
  z-index: 10;
  width: 100%;
  padding-block: 32px;
  padding-inline: clamp(20px, 5vw, 48px);
  border-top: 1px solid var(--border-subtle);
  margin-block-start: auto;
}

.footer-container {
  max-width: var(--container-max-width);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-link:hover {
  color: var(--text-primary);
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .signup-form {
    flex-direction: column;
    padding: 10px;
  }

  .signup-btn {
    width: 100%;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
  }
}