/* Tax Set marketing site — shared styles
   Palette ported from artifacts/tax-set/constants/colors.ts (forest/gold/cream). */

:root {
  --forest-900: #052018;
  --forest-800: #08301f;
  --forest-700: #0b3d2e;
  --forest-600: #12513c;
  --green-500: #16a34a;
  --green-400: #22c55e;
  --green-100: #d9f2e2;
  --gold-500: #e8a317;
  --gold-300: #f7ce68;
  --gold-100: #fdf3dc;
  --cream: #f5f1e6;
  --paper: #fbfaf6;
  --white: #ffffff;
  --ink: #10211b;
  --ink-2: #42544c;
  --ink-3: #7c8b84;
  --line: #e3e0d4;
  --line-2: #eeebe0;

  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 10px 30px rgba(5, 32, 24, 0.08);
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 250, 246, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--ink);
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav a {
  text-decoration: none;
  color: var(--ink-2);
  font-weight: 600;
  font-size: 0.95rem;
}

.main-nav a:hover {
  color: var(--green-500);
}

.nav-cta {
  background: var(--forest-900);
  color: var(--white) !important;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.9rem !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  position: relative;
  transition: 0.2s;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--green-500);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(22, 163, 74, 0.28);
}

.btn-primary:hover {
  background: var(--green-400);
}

.btn-ghost {
  background: transparent;
  color: var(--cream);
  border-color: rgba(245, 241, 230, 0.35);
}

.btn-ghost:hover {
  border-color: var(--gold-300);
  color: var(--gold-300);
}

.btn-light {
  background: var(--white);
  color: var(--forest-900);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- Hero ---------- */

.hero {
  background: radial-gradient(120% 140% at 15% 0%, var(--forest-700) 0%, var(--forest-900) 55%, var(--forest-900) 100%);
  color: var(--cream);
  padding: 72px 0 96px;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(247, 206, 104, 0.14);
  color: var(--gold-300);
  border: 1px solid rgba(247, 206, 104, 0.3);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  line-height: 1.12;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}

.hero h1 span {
  color: var(--green-400);
}

.hero p.lead {
  font-size: 1.08rem;
  color: rgba(245, 241, 230, 0.82);
  margin: 0 0 30px;
  max-width: 46ch;
}

.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero-stats div strong {
  display: block;
  font-size: 1.15rem;
  color: var(--white);
}

.hero-stats div span {
  font-size: 0.82rem;
  color: rgba(245, 241, 230, 0.65);
}

/* Reserve number mock card */

.reserve-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(6px);
}

.reserve-card .rc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.rc-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(245, 241, 230, 0.6);
}

.rc-asof {
  font-size: 0.72rem;
  color: rgba(245, 241, 230, 0.45);
}

.rc-amount {
  font-size: clamp(2.4rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
}

.rc-delta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  color: var(--green-400);
  font-weight: 700;
  font-size: 0.95rem;
}

.rc-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 22px 0;
}

.rc-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: 0.9rem;
}

.rc-row .rc-row-label {
  color: rgba(245, 241, 230, 0.7);
}

.progress-track {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
  margin-top: 8px;
}

.progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green-500), var(--green-400));
  width: 68%;
}

.confidence-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(232, 163, 23, 0.16);
  color: var(--gold-300);
  border: 1px solid rgba(232, 163, 23, 0.35);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
}

/* ---------- Section shell ---------- */

section {
  padding: 88px 0;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head .tag {
  display: inline-block;
  color: var(--green-500);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.section-head p {
  color: var(--ink-2);
  font-size: 1.02rem;
  margin: 0;
}

/* ---------- About ---------- */

.about {
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about .wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}

.about p {
  color: var(--ink-2);
  margin: 0 0 16px;
}

.about-points {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 14px;
}

.about-points li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--ink-2);
  font-size: 0.96rem;
}

.check {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--green-100);
  color: var(--green-500);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 900;
  margin-top: 1px;
}

.about-card {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px;
}

.about-card .stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.about-card .stat {
  background: var(--paper);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-md);
  padding: 18px;
}

.about-card .stat strong {
  display: block;
  font-size: 1.4rem;
  color: var(--forest-900);
}

.about-card .stat span {
  font-size: 0.82rem;
  color: var(--ink-3);
}

/* ---------- Features ---------- */

.features {
  background: var(--paper);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-card);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(5, 32, 24, 0.1);
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--forest-900);
  color: var(--gold-300);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.feature-card p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.93rem;
}

.feature-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--green-500);
  background: var(--green-100);
  padding: 3px 9px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.more-features {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.mini-feature {
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  background: var(--white);
}

.mini-feature h4 {
  margin: 0 0 4px;
  font-size: 0.92rem;
}

.mini-feature p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--ink-3);
}

/* ---------- How it works ---------- */

.how {
  background: var(--forest-900);
  color: var(--cream);
}

.how .section-head p {
  color: rgba(245, 241, 230, 0.72);
}

.how .section-head .tag {
  color: var(--gold-300);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.step {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.step .num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--green-500);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  margin-bottom: 16px;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.step p {
  margin: 0;
  font-size: 0.88rem;
  color: rgba(245, 241, 230, 0.68);
}

/* ---------- Pricing ---------- */

.pricing {
  background: var(--paper);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  align-items: stretch;
}

.price-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}

.price-card.featured {
  border-color: var(--green-500);
  box-shadow: 0 16px 36px rgba(22, 163, 74, 0.18);
  position: relative;
}

.price-card .ribbon {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--gold-500);
  color: var(--forest-900);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: 999px;
  letter-spacing: 0.03em;
}

.price-card h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.price-card .amount {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--forest-900);
  margin: 10px 0 2px;
}

.price-card .amount small {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-3);
}

.price-card .sub {
  font-size: 0.82rem;
  color: var(--ink-3);
  margin-bottom: 18px;
}

.price-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  display: grid;
  gap: 10px;
  flex: 1;
}

.price-card li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.88rem;
  color: var(--ink-2);
}

.price-note {
  text-align: center;
  color: var(--ink-3);
  font-size: 0.84rem;
  margin-top: 28px;
}

/* ---------- Download ---------- */

.download {
  background: linear-gradient(135deg, var(--forest-800), var(--forest-900));
  color: var(--cream);
  text-align: center;
}

.download .wrap {
  max-width: 720px;
}

.download h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin: 18px 0 12px;
}

.download p {
  color: rgba(245, 241, 230, 0.75);
  margin: 0 0 30px;
}

.store-badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #000;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  padding: 10px 18px;
  text-decoration: none;
  min-width: 190px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.store-badge:hover {
  transform: translateY(-2px);
  border-color: var(--gold-300);
}

.store-badge svg {
  width: 26px;
  height: 26px;
  flex: none;
}

.store-badge .store-text {
  text-align: left;
  line-height: 1.15;
}

.store-badge .store-text small {
  display: block;
  font-size: 0.66rem;
  opacity: 0.75;
}

.store-badge .store-text strong {
  font-size: 0.98rem;
  font-weight: 700;
}

.download-note {
  font-size: 0.8rem;
  color: rgba(245, 241, 230, 0.55);
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--forest-900);
  color: rgba(245, 241, 230, 0.7);
  padding: 56px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .brand {
  color: var(--white);
  margin-bottom: 14px;
}

.footer-grid p {
  font-size: 0.88rem;
  max-width: 34ch;
  color: rgba(245, 241, 230, 0.6);
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 16px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.footer-col a {
  text-decoration: none;
  color: rgba(245, 241, 230, 0.68);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--gold-300);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.8rem;
  color: rgba(245, 241, 230, 0.45);
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Legal pages ---------- */

.legal-hero {
  background: var(--forest-900);
  color: var(--cream);
  padding: 56px 0 40px;
}

.legal-hero .tag {
  color: var(--gold-300);
}

.legal-hero h1 {
  margin: 10px 0 8px;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
}

.legal-hero p {
  color: rgba(245, 241, 230, 0.65);
  margin: 0;
}

.legal-body {
  padding: 56px 0 96px;
}

.legal-body .wrap {
  max-width: 820px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  align-items: start;
}

.legal-toc {
  position: sticky;
  top: 96px;
  border-left: 2px solid var(--line);
  padding-left: 16px;
}

.legal-toc a {
  display: block;
  text-decoration: none;
  color: var(--ink-3);
  font-size: 0.86rem;
  padding: 6px 0;
}

.legal-toc a:hover {
  color: var(--green-500);
}

.legal-content h2 {
  font-size: 1.2rem;
  margin: 40px 0 12px;
  scroll-margin-top: 96px;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--ink-2);
  font-size: 0.95rem;
}

.legal-content ul {
  padding-left: 20px;
}

.legal-content a.inline-link {
  color: var(--green-500);
  font-weight: 600;
  text-decoration: underline;
}

.legal-note {
  background: var(--gold-100);
  border: 1px solid var(--gold-300);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-size: 0.88rem;
  color: var(--ink);
  margin: 20px 0;
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .hero .wrap {
    grid-template-columns: 1fr;
  }

  .about .wrap {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .more-features {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .price-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }

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

  .legal-body .wrap {
    grid-template-columns: 1fr;
  }

  .legal-toc {
    position: static;
    border-left: none;
    border-bottom: 1px solid var(--line);
    padding-left: 0;
    padding-bottom: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px 18px;
  }
}

@media (max-width: 760px) {
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 24px 26px;
    gap: 16px;
    display: none;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-cta {
    align-self: flex-start;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  section {
    padding: 64px 0;
  }
}