/* ============================================================
   HaoDay — style.css
   Light theme · emerald + terracotta on warm cream
   ============================================================ */

:root {
  --bg: #F7F5F0;
  --bg-soft: #EFEDE6;
  --surface: #FFFFFF;
  --ink: #1B1B1B;
  --ink-soft: #3E3D38;
  --muted: #5B5950;
  --line: #E3E0D6;
  --accent: #0E7A54;
  --accent-dark: #0A5C3F;
  --accent-tint: #E2F0E9;
  --terra: #C0562F;
  --terra-tint: #F6E6DD;
  --forest: #122B22;
  --forest-soft: #1E4033;
  --cream: #FDFCF9;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--bg);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
ul { list-style: none; }

h1, h2, h3, h4 { line-height: 1.15; color: var(--ink); font-weight: 700; }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--cream);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}
.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.site-logo {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.site-logo span { color: var(--accent); }
.nav-list {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-logo { margin: 0 14px; }
.nav-list a {
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.nav-list a:hover { color: var(--accent); }
.header-cta {
  background-color: var(--accent);
  color: #FFFFFF;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background-color 0.2s;
  white-space: nowrap;
}
.header-cta:hover { background-color: var(--accent-dark); }
.nav-cta-item { margin-left: 8px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle .bar {
  width: 26px;
  height: 3px;
  background-color: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}
.btn-primary { background-color: var(--accent); color: #FFFFFF; }
.btn-primary:hover { background-color: var(--accent-dark); }
.btn-ghost { border-color: var(--accent); color: var(--accent); }
.btn-ghost:hover { background-color: var(--accent); color: #FFFFFF; }
.btn-light { background-color: #FFFFFF; color: var(--forest); }
.btn-light:hover { background-color: var(--accent-tint); }

/* ---------- Hero (full-bleed image band with overlay) ---------- */
.hero-band {
  position: relative;
  background:
    radial-gradient(900px 500px at 85% 20%, rgba(14, 122, 84, 0.55), transparent 60%),
    radial-gradient(700px 500px at 10% 90%, rgba(192, 86, 47, 0.45), transparent 55%),
    linear-gradient(135deg, #0A3A2A 0%, #123F2E 45%, #0E2C22 100%);
  color: #FFFFFF;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.15) 55%, rgba(0, 0, 0, 0.35) 100%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 96px 24px 110px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #CFE8DC;
  background: rgba(255, 255, 255, 0.12);
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero-title {
  color: #FFFFFF;
  font-size: clamp(2.2rem, 4.6vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-sub {
  color: #E7EEE9;
  font-size: 1.15rem;
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-band .btn-ghost { border-color: #FFFFFF; color: #FFFFFF; }
.hero-band .btn-ghost:hover { background-color: #FFFFFF; color: var(--forest); }

.hero-visual {
  position: relative;
  min-height: 320px;
}
.visual-card {
  background-color: var(--cream);
  color: var(--ink);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}
.visual-card-main { max-width: 320px; }
.visual-card-float {
  position: absolute;
  top: 55%;
  right: 0;
  transform: translateY(-50%);
}
.vc-label { display: block; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.vc-value { display: block; font-size: 3rem; font-weight: 800; color: var(--accent); line-height: 1.1; }
.vc-note { color: var(--muted); font-size: 0.9rem; }

/* ---------- Stat strip ---------- */
.stat-strip { background-color: var(--forest); }
.stat-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item { text-align: center; }
.stat-number { font-size: 2.6rem; font-weight: 800; color: #FFFFFF; }
.stat-label { display: block; color: #BBD3C7; font-size: 0.95rem; margin-top: 4px; }

/* ---------- Section scaffolding ---------- */
.section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; padding: 0 24px; }
.section-kicker {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 12px;
}
.section-title { font-size: clamp(1.7rem, 3vw, 2.4rem); margin-bottom: 16px; }
.section-lead { color: var(--muted); font-size: 1.05rem; }

/* ---------- Services (bento) ---------- */
.services-section { padding: 96px 0; background-color: var(--bg); }
.bento-grid {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.bento {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 30px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.bento:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08); }
.bento-wide { grid-column: span 2; }
.bento-num {
  display: block;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--terra);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.bento h3 { font-size: 1.25rem; margin-bottom: 10px; }
.bento p { color: var(--muted); }

/* ---------- Approach ---------- */
.approach-section { padding: 96px 0; background-color: var(--bg-soft); }
.steps-row {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.step-card {
  background-color: var(--surface);
  border-top: 4px solid var(--accent);
  border-radius: 0 0 14px 14px;
  padding: 28px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}
.step-marker {
  display: inline-block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-tint);
  line-height: 1;
  margin-bottom: 14px;
}
.step-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.step-card p { color: var(--muted); font-size: 0.95rem; }

/* ---------- Industries ---------- */
.industries-section { padding: 96px 0; background-color: var(--bg); }
.industry-rail {
  max-width: 1180px;
  margin: 0 auto 32px;
  padding: 0 24px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}
.industry-chip {
  background-color: var(--terra-tint);
  color: var(--terra);
  border: 1px solid var(--terra);
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
}
.industries-note { max-width: 720px; margin: 0 auto; text-align: center; padding: 0 24px; color: var(--muted); }

/* ---------- Why (split) ---------- */
.why-section { padding: 96px 0; background-color: var(--forest); color: #FFFFFF; }
.why-split {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.why-section .section-title { color: #FFFFFF; }
.why-section .section-kicker { color: #A9D9C3; }
.why-lead { color: #D5E2DA; font-size: 1.05rem; }
.why-points { display: grid; gap: 26px; }
.why-point { border-left: 3px solid var(--accent); padding-left: 20px; }
.why-point h3 { color: #FFFFFF; font-size: 1.1rem; margin-bottom: 6px; }
.why-point p { color: #C6D6CD; }

/* ---------- Roadmap (timeline) ---------- */
.roadmap-section { padding: 96px 0; background-color: var(--bg-soft); }
.timeline { max-width: 720px; margin: 0 auto; padding: 0 24px; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--accent);
}
.timeline-item { position: relative; padding-left: 56px; margin-bottom: 40px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: 8px;
  top: 6px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--accent);
  border: 5px solid var(--bg-soft);
  box-shadow: 0 0 0 2px var(--accent);
}
.timeline-body h3 { font-size: 1.2rem; margin-bottom: 6px; }
.timeline-body p { color: var(--muted); }

/* ---------- FAQ ---------- */
.faq-section { padding: 96px 0; background-color: var(--bg); }
.faq-list { max-width: 760px; margin: 0 auto; padding: 0 24px; display: grid; gap: 14px; }
.faq-item { background-color: var(--surface); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-question::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--accent);
  transition: transform 0.2s;
}
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer p { padding: 0 24px 20px; color: var(--muted); }

/* ---------- Contact ---------- */
.contact-section { padding: 96px 0; background-color: var(--bg-soft); }
.contact-split {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-info .section-title { font-size: 1.9rem; }
.contact-lead { color: var(--muted); margin-bottom: 28px; }
.contact-details { display: grid; gap: 16px; }
.contact-details li { display: flex; flex-direction: column; }
.cd-label { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.contact-details a { font-weight: 600; font-size: 1.05rem; }
.contact-form {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
  display: grid;
  gap: 18px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label { font-weight: 600; font-size: 0.9rem; }
.form-field input, .form-field textarea {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink);
  background-color: var(--bg);
}
.form-field input:focus, .form-field textarea:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.form-status { min-height: 1.2em; font-weight: 600; color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer { background-color: var(--forest); color: #FFFFFF; }
.newsletter-band { background-color: var(--accent); }
.newsletter-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 36px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.newsletter-copy h3 { color: #FFFFFF; font-size: 1.3rem; margin-bottom: 4px; }
.newsletter-copy p { color: #D9EFE4; }
.newsletter-form { display: flex; gap: 10px; flex-wrap: wrap; }
.newsletter-form input {
  border: none;
  border-radius: 999px;
  padding: 12px 18px;
  font-size: 1rem;
  min-width: 240px;
}
.footer-main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand p { color: #C6D6CD; margin-top: 14px; max-width: 300px; }
.footer-brand .site-logo { color: #FFFFFF; }
.footer-brand .site-logo span { color: #A9D9C3; }
.footer-col h4 { color: #FFFFFF; font-size: 1rem; margin-bottom: 16px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { color: #C6D6CD; }
.footer-col a:hover { color: #A9D9C3; }
.footer-col li { color: #C6D6CD; }
.footer-watermark {
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #27443A;
  text-align: center;
  line-height: 1;
  user-select: none;
  padding: 0 24px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  text-align: center;
  padding: 20px 24px;
  color: #9FB6AA;
  font-size: 0.9rem;
}

/* ---------- Scroll reveal ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding: 64px 24px 80px; }
  .hero-visual { min-height: 220px; }
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-wide { grid-column: span 2; }
  .steps-row { grid-template-columns: repeat(2, 1fr); }
  .stat-inner { grid-template-columns: repeat(2, 1fr); }
  .why-split, .contact-split { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .header-cta { display: inline-block; }
  .nav-toggle { display: flex; }
  .header-inner { justify-content: space-between; }
  .site-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background-color: var(--cream);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .site-nav.open { max-height: 480px; }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 16px;
  }
  .nav-list li.nav-logo { display: none; }
  .nav-list li.nav-cta-item { margin-left: 0; }
  .nav-list a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: 1.05rem;
  }
  .nav-list a.header-cta {
    margin-top: 14px;
    text-align: center;
    border-bottom: none;
  }
  .bento-grid { grid-template-columns: 1fr; }
  .bento-wide { grid-column: span 1; }
  .steps-row { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; }
  .newsletter-inner { flex-direction: column; align-items: flex-start; }
}

/* Hamburger animation when open */
.site-nav.open ~ .nav-toggle .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.site-nav.open ~ .nav-toggle .bar:nth-child(2) { opacity: 0; }
.site-nav.open ~ .nav-toggle .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }