/* Flutter — tryflutter.app */
/* Fonts: Outfit 400-800 from Google Fonts */

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

:root {
  --primary: #FF6B6B;
  --secondary: #1A1A40;
  --accent: #F5A623;
  --bg: #FFFAF5;
  --surface: #FFF0E5;
  --text: #1A1A40;
  --text-muted: #6B6B8A;
  --gradient: linear-gradient(135deg, #FF6B6B, #F5A623);
  --gradient-text: linear-gradient(135deg, #FF6B6B 0%, #F5A623 100%);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-card: 0 8px 32px rgba(26, 26, 64, 0.10);
  --shadow-card-hover: 0 16px 48px rgba(26, 26, 64, 0.16);
  --shadow-btn: 0 4px 20px rgba(255, 107, 107, 0.40);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ========================
   UTILITY
======================== */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gradient);
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow-btn);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  white-space: nowrap;
}

.gradient-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 107, 107, 0.50);
}

.gradient-btn:active {
  transform: translateY(0);
}

.gradient-btn.btn-lg {
  font-size: 1.125rem;
  padding: 18px 40px;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
  display: block;
}

/* ========================
   NAV
======================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 250, 245, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(26, 26, 64, 0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.375rem;
  color: var(--secondary);
  letter-spacing: -0.02em;
}

.nav-logo .heart {
  font-size: 1.5rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color 0.15s ease;
}

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 24px;
}

/* ========================
   HERO
======================== */
.hero {
  padding: 80px 0 100px;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid rgba(255, 107, 107, 0.25);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}

.hero-headline {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--secondary);
  margin-bottom: 20px;
}

.hero-subhead {
  font-size: 1.1875rem;
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.7;
  max-width: 440px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-social-proof {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-social-proof .hearts {
  color: var(--primary);
  letter-spacing: -2px;
  font-size: 1rem;
}

/* ========================
   CARD STACK
======================== */
.card-stack-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 480px;
}

.card-stack {
  position: relative;
  width: 340px;
  height: 440px;
}

.date-card {
  position: absolute;
  width: 320px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 24px;
  transform-origin: center bottom;
}

/* Back card 2 — furthest back */
.date-card:nth-child(1) {
  top: 24px;
  left: 30px;
  transform: rotate(-8deg) scale(0.92);
  z-index: 1;
  background: #FFF5EE;
  opacity: 0.7;
}

/* Back card 1 — middle */
.date-card:nth-child(2) {
  top: 12px;
  left: 14px;
  transform: rotate(-4deg) scale(0.96);
  z-index: 2;
  background: #FFFAF5;
  opacity: 0.85;
}

/* Front card — fully visible */
.date-card:nth-child(3) {
  top: 0;
  left: 0;
  transform: rotate(1.5deg);
  z-index: 3;
  box-shadow: 0 16px 56px rgba(26, 26, 64, 0.16);
}

.card-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 14px;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--secondary);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 10px;
}

.card-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #F7F7FB;
  border-radius: 100px;
  padding: 5px 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
}

.card-personalization {
  background: rgba(255, 107, 107, 0.06);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 10px 14px;
  font-size: 0.8375rem;
  color: var(--primary);
  font-style: italic;
  font-weight: 500;
  line-height: 1.5;
}

/* Swipe hint indicators */
.swipe-hint {
  position: absolute;
  bottom: -48px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  align-items: center;
}

.swipe-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(26, 26, 64, 0.15);
}

.swipe-dot.active {
  background: var(--primary);
  width: 24px;
  border-radius: 100px;
}

/* ========================
   HOW IT WORKS
======================== */
.how-it-works {
  padding: 96px 0;
  background: #fff;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--secondary);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(16.66% + 32px);
  right: calc(16.66% + 32px);
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.3;
  z-index: 0;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
  position: relative;
  z-index: 1;
}

.step-icon {
  width: 80px;
  height: 80px;
  background: var(--surface);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
  position: relative;
}

.step-number {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  background: var(--gradient);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step h3 {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: -0.015em;
}

.step p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 240px;
}

/* ========================
   FEATURES
======================== */
.features {
  padding: 96px 0;
  background: var(--surface);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: 0 2px 12px rgba(26, 26, 64, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ========================
   SAMPLE CONTENT
======================== */
.sample-content {
  padding: 96px 0;
  background: #fff;
}

.sample-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.sample-copy .section-header {
  text-align: left;
  margin-bottom: 32px;
}

.sample-copy p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 32px;
}

.sample-card-wrapper {
  display: flex;
  justify-content: center;
}

.sample-date-card {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(26, 26, 64, 0.14);
  padding: 32px;
  max-width: 380px;
  width: 100%;
  border: 2px solid rgba(255, 107, 107, 0.10);
}

.sample-date-card .card-title {
  font-size: 1.375rem;
  margin-bottom: 14px;
}

.sample-date-card .card-description {
  font-size: 0.9375rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.sample-date-card .card-meta {
  margin-bottom: 20px;
}

.sample-date-card .card-personalization {
  margin-bottom: 24px;
}

.card-cta-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gradient);
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 16px 28px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow-btn);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 107, 107, 0.50);
}

/* ========================
   PRICING
======================== */
.pricing {
  padding: 96px 0;
  background: var(--surface);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 720px;
  margin: 0 auto;
}

.pricing-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: 0 4px 20px rgba(26, 26, 64, 0.08);
  position: relative;
  border: 2px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 8px 40px rgba(255, 107, 107, 0.18);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 18px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-plan {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.pricing-price {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  margin-bottom: 8px;
}

.price-amount {
  font-size: 3rem;
  font-weight: 800;
  color: var(--secondary);
  letter-spacing: -0.04em;
  line-height: 1;
}

.price-period {
  font-size: 0.9375rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 4px;
}

.pricing-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.6;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text);
  line-height: 1.5;
}

.pricing-features li .heart-bullet {
  color: var(--primary);
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.pricing-btn {
  width: 100%;
  text-align: center;
  display: block;
}

.pricing-btn-outline {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 100px;
  border: 2px solid rgba(26, 26, 64, 0.18);
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--secondary);
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.pricing-btn-outline:hover {
  border-color: var(--primary);
  background: rgba(255, 107, 107, 0.04);
  color: var(--primary);
}

/* ========================
   FAQ
======================== */
.faq {
  padding: 96px 0;
  background: #fff;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: 1px solid rgba(26, 26, 64, 0.08);
}

.faq-item:first-child {
  border-top: 1px solid rgba(26, 26, 64, 0.08);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--secondary);
  transition: color 0.15s ease;
  user-select: none;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.125rem;
  color: var(--primary);
  transition: transform 0.25s ease, background 0.2s ease;
}

details[open] .faq-icon {
  transform: rotate(45deg);
  background: rgba(255, 107, 107, 0.12);
}

.faq-answer {
  padding: 0 0 24px;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 620px;
}

/* ========================
   FOOTER
======================== */
.footer {
  background: var(--secondary);
  color: rgba(255, 255, 255, 0.65);
  padding: 64px 0 40px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .nav-logo {
  color: #fff;
  margin-bottom: 16px;
  display: inline-flex;
}

.footer-tagline {
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.5);
  max-width: 240px;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.15s ease;
}

.footer-col ul li a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.35);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-bottom a:hover {
  color: rgba(255, 255, 255, 0.75);
}

/* ========================
   RESPONSIVE
======================== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero {
    padding: 60px 0 80px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .hero-subhead {
    max-width: 100%;
  }

  .card-stack-wrapper {
    height: 420px;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .steps::before {
    display: none;
  }

  .step {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
  }

  .step-icon {
    flex-shrink: 0;
  }

  .step p {
    max-width: 100%;
  }

  .features-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sample-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .sample-copy .section-header {
    text-align: center;
  }

  .sample-copy p {
    text-align: center;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

@media (max-width: 480px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .gradient-btn.btn-lg {
    width: 100%;
    justify-content: center;
  }

  .card-stack {
    width: 290px;
  }

  .date-card {
    width: 280px;
    padding: 20px;
  }
}