:root {
  --bg: #f5f7fb;
  --bg-alt: #edf2f8;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #ffffff;
  --ink: #0d1a2b;
  --ink-muted: #4c5b6b;
  --accent: #2f7dff;
  --accent-dark: #1c59c4;
  --accent-glow: rgba(47, 125, 255, 0.35);
  --teal: #18c2a3;
  --gold: #f4b547;
  --border: rgba(15, 23, 42, 0.12);
  --shadow: 0 24px 60px rgba(13, 26, 43, 0.14);
  --shadow-soft: 0 16px 34px rgba(13, 26, 43, 0.1);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 10%, rgba(47, 125, 255, 0.15), transparent 45%),
    radial-gradient(circle at 88% 12%, rgba(24, 194, 163, 0.12), transparent 40%),
    linear-gradient(180deg, #f8f9fc 0%, #eef2f7 65%, #e6edf6 100%);
  min-height: 100vh;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      110deg,
      rgba(15, 23, 42, 0.04) 0px,
      rgba(15, 23, 42, 0.04) 1px,
      transparent 1px,
      transparent 14px
    );
  opacity: 0.35;
  pointer-events: none;
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.landing-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 5vw;
  background: rgba(248, 250, 255, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.1rem;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(47, 125, 255, 0.12);
  padding: 6px;
}

.nav-links {
  display: flex;
  gap: 22px;
  font-weight: 500;
}

.nav-links a {
  color: var(--ink-muted);
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.2s ease;
}

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

.nav-links a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

main {
  display: flex;
  flex-direction: column;
  gap: 80px;
  padding-bottom: 80px;
}

section {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 48px;
  padding-top: 60px;
  align-items: center;
  animation: fadeUp 0.8s ease forwards;
  opacity: 0;
  transform: translateY(16px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(47, 125, 255, 0.12);
  color: var(--accent-dark);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
}

.hero-text h1 {
  font-family: "Newsreader", serif;
  font-size: clamp(2.6rem, 3.2vw, 3.6rem);
  margin: 14px 0 16px;
}

.hero-text p {
  color: var(--ink-muted);
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-badges span {
  background: rgba(15, 23, 42, 0.06);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--ink-muted);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.hero-card {
  position: relative;
  background: linear-gradient(180deg, #ffffff 0%, #eef4ff 100%);
  border-radius: var(--radius-xl);
  padding: 28px;
  border: 1px solid rgba(47, 125, 255, 0.22);
  box-shadow: var(--shadow);
  overflow: hidden;
  animation: floatCard 4s ease-in-out infinite;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: -40% 30% 40% -40%;
  background: radial-gradient(circle, rgba(47, 125, 255, 0.28), transparent 70%);
  opacity: 0.6;
}

.hero-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--ink-muted);
  position: relative;
  z-index: 1;
}

.hero-card-top strong {
  color: var(--ink);
  font-size: 1.05rem;
}

.hero-card-metric {
  margin-top: 20px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.78);
  border-radius: var(--radius-md);
  border: 1px solid rgba(15, 23, 42, 0.08);
  position: relative;
  z-index: 1;
}

.hero-card-metric p {
  margin: 0 0 6px;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.hero-card-metric h3 {
  margin: 0;
  font-size: 1.05rem;
}

.feature-section {
  text-align: center;
}

.feature-header h2 {
  font-family: "Newsreader", serif;
  font-size: clamp(2rem, 2.4vw, 2.6rem);
  margin-bottom: 10px;
}

.feature-header p {
  color: var(--ink-muted);
}

.feature-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  text-align: left;
}

.feature-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-soft);
  animation: fadeUp 0.8s ease forwards;
  opacity: 0;
  transform: translateY(16px);
}

.feature-card:nth-child(1) { animation-delay: 0.05s; }
.feature-card:nth-child(2) { animation-delay: 0.12s; }
.feature-card:nth-child(3) { animation-delay: 0.18s; }
.feature-card:nth-child(4) { animation-delay: 0.24s; }
.feature-card:nth-child(5) { animation-delay: 0.3s; }
.feature-card:nth-child(6) { animation-delay: 0.36s; }

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.feature-card p {
  margin: 0;
  color: var(--ink-muted);
}

.economy-card {
  background: linear-gradient(120deg, #17233f 0%, #0e1a32 100%);
  color: #f8fbff;
  border-radius: var(--radius-xl);
  padding: 36px;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  animation: fadeUp 0.9s ease forwards;
  opacity: 0;
  transform: translateY(16px);
}

.economy-card::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -20%;
  width: 60%;
  height: 140%;
  background: radial-gradient(circle, rgba(47, 125, 255, 0.5), transparent 70%);
  opacity: 0.5;
}

.economy-card h2 {
  margin: 0 0 12px;
  font-family: "Newsreader", serif;
  font-size: clamp(2rem, 2.4vw, 2.6rem);
}

.economy-card p {
  margin: 0;
  color: rgba(248, 251, 255, 0.78);
  line-height: 1.6;
}

.economy-points {
  display: grid;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.economy-points div {
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.economy-points strong {
  display: block;
  margin-bottom: 6px;
}

.economy-points span {
  color: rgba(248, 251, 255, 0.75);
  font-size: 0.9rem;
}

.plans {
  text-align: center;
}

.plans-header h2 {
  font-family: "Newsreader", serif;
  font-size: clamp(2rem, 2.4vw, 2.6rem);
  margin-bottom: 10px;
}

.plans-header p {
  color: var(--ink-muted);
}

.plan-quantity {
  margin: 24px auto 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.92);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.plan-quantity label {
  font-weight: 600;
}

.plan-quantity small {
  color: var(--ink-muted);
}

.quantity-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.18);
  border-radius: 999px;
  padding: 6px 10px;
}

.quantity-control input {
  width: 70px;
  border: none;
  background: transparent;
  text-align: center;
  font-weight: 600;
  color: var(--ink);
  font-size: 1rem;
}

.quantity-control input:focus {
  outline: none;
}

.qty-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.calc-summary {
  margin: 18px auto 10px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  text-align: left;
}

.calc-summary span {
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.calc-summary strong {
  display: block;
  font-size: 1.3rem;
  margin-top: 4px;
}

.calc-highlight {
  background: rgba(47, 125, 255, 0.12);
  border: 1px solid rgba(47, 125, 255, 0.3);
  padding: 12px;
  border-radius: var(--radius-md);
}

.plan-toggle {
  display: inline-flex;
  background: rgba(15, 23, 42, 0.08);
  border-radius: 999px;
  padding: 6px;
  gap: 6px;
  margin-top: 18px;
}

.toggle-btn {
  border: none;
  background: transparent;
  color: var(--ink-muted);
  padding: 8px 18px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
}

.toggle-btn.active {
  background: var(--accent);
  color: #fff;
}

.plan-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.plan-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 240px;
  text-align: left;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
  animation: fadeUp 0.8s ease forwards;
  opacity: 0;
  transform: translateY(16px);
}

.plan-card.highlight {
  border-color: rgba(47, 125, 255, 0.4);
  box-shadow: 0 22px 50px rgba(47, 125, 255, 0.2);
}

.plan-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  background: var(--accent);
  color: #fff;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.plan-name {
  font-weight: 700;
  font-size: 1.05rem;
}

.plan-price {
  font-size: 2rem;
  font-weight: 700;
}

.plan-price span {
  font-size: 0.9rem;
  color: var(--ink-muted);
  margin-left: 6px;
}

.plan-meta {
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.plan-total {
  font-weight: 600;
  color: var(--accent-dark);
}

.plan-card .btn {
  margin-top: auto;
}

.plans-note {
  margin-top: 16px;
  color: var(--ink-muted);
}

.cta {
  background: linear-gradient(120deg, #2f7dff 0%, #18c2a3 100%);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  box-shadow: var(--shadow);
  animation: fadeUp 0.8s ease forwards;
  opacity: 0;
  transform: translateY(16px);
}

.cta h2 {
  margin: 0 0 8px;
  font-family: "Newsreader", serif;
}

.cta p {
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
}

.landing-footer {
  width: min(1200px, 92vw);
  margin: 0 auto;
  padding: 40px 0 50px;
  display: grid;
  gap: 22px;
  color: var(--ink-muted);
  border-top: 1px solid var(--border);
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  align-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(47, 125, 255, 0.12);
  padding: 6px;
}

.footer-brand strong {
  display: block;
  font-size: 1.05rem;
  color: var(--ink);
}

.footer-brand span {
  font-size: 0.9rem;
  color: var(--ink-muted);
}

.footer-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: var(--ink-muted);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-contact a {
  color: var(--ink);
  font-weight: 600;
}

.footer-social {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(15, 23, 42, 0.1);
  font-size: 0.9rem;
  color: var(--ink);
  transition: background 0.2s ease, transform 0.2s ease;
}

.social-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.social-link:hover {
  background: rgba(47, 125, 255, 0.12);
  transform: translateY(-1px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  font-size: 0.85rem;
}

.footer-links {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

.footer-links a {
  color: var(--ink-muted);
}

.footer-links a:hover {
  color: var(--ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  box-shadow: 0 16px 28px rgba(47, 125, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 34px rgba(47, 125, 255, 0.35);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(15, 23, 42, 0.25);
  color: var(--ink);
}

.btn-ghost {
  background: rgba(15, 23, 42, 0.08);
  color: var(--ink);
}

.hidden {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 15, 24, 0.55);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 50;
}

.modal.show {
  display: flex;
}

.modal-card {
  background: #fbfbfe;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 16px;
  max-width: 640px;
  width: 100%;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.modal-header h3 {
  margin: 0;
  font-family: "Newsreader", serif;
}

.modal-header button {
  background: transparent;
  border: none;
  color: var(--ink);
  font-size: 1.6rem;
  cursor: pointer;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 20px 20px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.terms-content ul {
  padding-left: 18px;
  color: var(--ink-muted);
}

.terms-content p {
  color: var(--ink-muted);
}

@keyframes fadeUp {
  0% {
    opacity: 0;
    transform: translateY(16px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatCard {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
  100% {
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
  .hero,
  .feature-card,
  .economy-card,
  .plan-card,
  .cta {
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 1024px) {
  .landing-header {
    flex-wrap: wrap;
    gap: 16px;
  }
  .nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
  }
  .hero {
    grid-template-columns: 1fr;
  }
  .economy-card {
    grid-template-columns: 1fr;
  }
  .cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .landing-header {
    padding: 18px 6vw;
  }
  .header-actions {
    width: 100%;
    justify-content: space-between;
  }
  .hero {
    padding-top: 40px;
  }
  .plan-quantity {
    flex-direction: column;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}