/* ============================================
   REWARDIST — Landing Page Styles
   Design: Editorial, clean, modern
   Approach: Mobile-first
   ============================================ */

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

:root {
  --color-bg: #FAFAF8;
  --color-surface: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-secondary: #6B6B6B;
  --color-accent: #1A3D5C;
  --color-accent-hover: #142F47;
  --color-accent-light: #E8EFF5;
  --color-border: #E5E5E3;
  --color-highlight: #D4A853;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --max-width: 1080px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 8rem;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* --- Nav --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.875rem var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s;
}

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

.badge {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--color-accent-light);
  color: var(--color-accent);
  padding: 0.15rem 0.5rem;
  border-radius: 100px;
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem var(--space-md) var(--space-xl);
}

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.hero-eyebrow {
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.hero-headline em {
  font-style: italic;
  color: var(--color-accent);
}

.hero-sub {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto var(--space-lg);
}

/* --- Signup Form --- */
.signup-form {
  max-width: 440px;
  margin: 0 auto;
}

.form-inline {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

.form-inline input[type="email"] {
  flex: 1;
  padding: 0.875rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s;
}

.form-inline input[type="email"]:focus {
  border-color: var(--color-accent);
}

.form-inline input[type="email"]::placeholder {
  color: #B0B0B0;
}

.form-inline button {
  padding: 0.875rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  color: #FFFFFF;
  background: var(--color-accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, transform 0.1s;
}

.form-inline button:hover {
  background: var(--color-accent-hover);
}

.form-inline button:active {
  transform: scale(0.98);
}

.form-note {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-top: 0.625rem;
  text-align: center;
}

/* Success state */
.form-success {
  text-align: center;
  padding: 1rem 0;
}

.form-success p {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-accent);
}

.form-success span {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
  font-weight: 400;
}

/* --- Value Section --- */
.value-section {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
}

.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-xl);
  letter-spacing: -0.02em;
}

.value-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

.value-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
}

.value-icon {
  font-size: 1.5rem;
  color: var(--color-highlight);
  margin-bottom: var(--space-sm);
}

.value-card h3 {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.625rem;
  letter-spacing: -0.01em;
}

.value-card p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 340px;
  margin: 0 auto;
}

/* --- Story Section --- */
.story-section {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.story-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.story-content p {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.story-cta {
  font-weight: 600;
  color: var(--color-text) !important;
  font-size: 1.125rem !important;
}

/* --- Proof Section --- */
.proof-section {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
}

.proof-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.proof-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.proof-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.03em;
}

.proof-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

/* --- CTA Section --- */
.cta-section {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  text-align: center;
}

.cta-headline {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.cta-sub {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-lg);
}

/* --- Footer --- */
.footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-logo {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.03em;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

/* --- Responsive --- */
@media (min-width: 640px) {
  .value-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .proof-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 480px) {
  .form-inline {
    flex-direction: column;
  }

  .form-inline button {
    width: 100%;
  }

  .hero {
    min-height: auto;
    padding-top: 7rem;
    padding-bottom: var(--space-xl);
  }

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

/* --- Animations --- */
@media (prefers-reduced-motion: no-preference) {
  .hero-eyebrow,
  .hero-headline,
  .hero-sub,
  .signup-form {
    opacity: 0;
    transform: translateY(16px);
    animation: fadeUp 0.6s ease forwards;
  }

  .hero-eyebrow { animation-delay: 0.1s; }
  .hero-headline { animation-delay: 0.2s; }
  .hero-sub { animation-delay: 0.35s; }
  .signup-form { animation-delay: 0.5s; }

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