/* Fence Calculator & Estimator - marketing site
   Design system: matches the Android app's Material 3 seed color
   (#3C6E47) and original fence-picket glyph. System font stack only -
   no external font/icon requests, kept deliberately lightweight. */

:root {
  --green-900: #1f3826;
  --green-800: #2e5637;
  --green-700: #3c6e47;
  --green-600: #4b8158;
  --green-100: #e3efe6;
  --green-050: #f5f8f3;
  --cream: #f6f1e6;
  --cream-dark: #ddd5c4;
  --accent: #e89a3c;
  --ink: #1c2620;
  --ink-soft: #4b564e;
  --border: #d9e3db;
  --white: #ffffff;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;

  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow: 0 8px 24px rgba(28, 38, 32, 0.08);
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--green-700);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

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

/* Skip link for keyboard users */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--green-800);
  color: var(--white);
  padding: 12px 20px;
  z-index: 100;
  border-radius: 0 0 8px 0;
}

.skip-link:focus {
  left: 0;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--green-700);
}

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

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

.nav-toggle svg {
  width: 22px;
  height: 22px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.btn-primary {
  background: var(--green-700);
  color: var(--white);
  box-shadow: 0 6px 16px rgba(60, 110, 71, 0.3);
}

.btn-primary:hover {
  background: var(--green-800);
}

.btn-secondary {
  background: transparent;
  color: var(--green-700);
  border-color: var(--green-700);
}

.btn-secondary:hover {
  background: var(--green-050);
}

.btn-small {
  padding: 9px 18px;
  font-size: 0.9rem;
}

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

.hero {
  background: linear-gradient(180deg, var(--green-050) 0%, var(--white) 100%);
  padding: 64px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  background: var(--green-100);
  color: var(--green-800);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3rem);
  line-height: 1.12;
  margin: 0 0 18px;
  color: var(--ink);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 30px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 22px;
}

.hero-note {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  padding: 28px;
  width: 100%;
  max-width: 360px;
}

.hero-card-glyph {
  width: 100%;
  height: auto;
  margin-bottom: 18px;
}

.hero-card-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.hero-card-row:last-of-type {
  border-bottom: none;
}

.hero-card-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 2px solid var(--green-700);
}

.hero-card-total .label {
  font-weight: 600;
  color: var(--ink);
}

.hero-card-total .value {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--green-800);
}

/* ---------- Sections ---------- */

section {
  padding: 72px 0;
}

.section-alt {
  background: var(--green-050);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 44px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0 0 12px;
  color: var(--ink);
}

.section-head p {
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- Feature grid ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--green-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  color: var(--green-700);
}

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

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--ink);
}

.feature-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

/* ---------- Fence types ---------- */

.type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.type-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
  text-align: left;
}

.type-card .type-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 14px;
  color: var(--green-700);
}

.type-card h3 {
  margin: 0 0 8px;
  color: var(--ink);
}

.type-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.type-note {
  text-align: center;
  max-width: 640px;
  margin: 32px auto 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

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

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

.step {
  text-align: center;
  padding: 0 8px;
}

.step-number {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--green-700);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 16px;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--ink);
}

.step p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* ---------- Results / value ---------- */

.value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.value-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.value-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 0;
  font-size: 0.98rem;
  color: var(--ink-soft);
}

.value-list li svg {
  width: 20px;
  height: 20px;
  color: var(--green-700);
  flex-shrink: 0;
  margin-top: 2px;
}

.example-card {
  background: var(--green-800);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
}

.example-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.16);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.example-label {
  font-size: 0.95rem;
  opacity: 0.85;
  margin: 0 0 6px;
}

.example-value {
  font-size: 2.6rem;
  font-weight: 800;
  margin: 0 0 6px;
}

.example-sub {
  font-size: 0.9rem;
  opacity: 0.8;
  margin: 0 0 20px;
}

.example-disclaimer {
  font-size: 0.82rem;
  opacity: 0.75;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 16px;
  margin: 0;
}

/* ---------- Audience section ---------- */

.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.audience-card {
  padding: 8px;
}

.audience-card h3 {
  color: var(--ink);
  margin: 0 0 10px;
}

.audience-card p {
  color: var(--ink-soft);
  margin: 0;
  font-size: 0.94rem;
}

/* ---------- Privacy summary ---------- */

.privacy-list {
  columns: 2;
  column-gap: 40px;
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  max-width: 800px;
}

.privacy-list li {
  break-inside: avoid;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 8px 0;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

.privacy-list li svg {
  width: 18px;
  height: 18px;
  color: var(--green-700);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ---------- Disclaimer ---------- */

.disclaimer-box {
  background: var(--cream);
  border: 1px solid var(--cream-dark);
  border-radius: var(--radius-md);
  padding: 28px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.disclaimer-box p {
  margin: 0 0 12px;
}

.disclaimer-box p:last-child {
  margin-bottom: 0;
}

/* ---------- Support ---------- */

.support-box {
  text-align: center;
}

.support-email {
  display: inline-block;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--green-700);
  margin-top: 10px;
  word-break: break-word;
}

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

.site-footer {
  background: var(--green-900);
  color: rgba(255, 255, 255, 0.82);
  padding: 40px 0 28px;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--white);
}

.footer-brand svg {
  width: 26px;
  height: 26px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  font-size: 0.92rem;
}

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

.footer-bottom {
  padding-top: 18px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
}

/* ---------- Privacy policy page ---------- */

.policy-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}

.policy-main h1 {
  margin-bottom: 6px;
}

.policy-updated {
  color: var(--ink-soft);
  font-size: 0.9rem;
  margin-bottom: 36px;
}

.policy-main h2 {
  margin-top: 40px;
  font-size: 1.25rem;
  color: var(--ink);
}

.policy-main p,
.policy-main li {
  color: var(--ink-soft);
  font-size: 0.97rem;
}

.policy-main ul {
  padding-left: 20px;
}

.policy-notice {
  background: var(--green-050);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-bottom: 32px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 24px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
}

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

@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }

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

  .steps {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 32px;
  }

  .privacy-list {
    columns: 1;
  }
}

@media (max-width: 720px) {
  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  body.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
  }

  body.nav-open .nav-links a {
    padding: 10px 0;
  }

  body.nav-open .nav-cta {
    display: flex;
    position: absolute;
    top: calc(100% + 168px);
    left: 24px;
  }

  .nav {
    position: relative;
  }
}

@media (max-width: 560px) {
  .steps {
    grid-template-columns: 1fr;
  }

  section {
    padding: 52px 0;
  }

  .hero {
    padding: 44px 0 52px;
  }
}