/* ============================================
   NADAKAI — Stylesheet v2
   Fonts: Arsenal (headlines) · Roboto (body)
   Palette: Official brand guidelines
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Arsenal:ital,wght@0,400;0,700;1,400;1,700&family=Roboto:wght@300;400;500&display=swap');

:root {
  --sky:      #A58CAA;
  --breeze:   #AF738C;
  --dusk:     #D7AA91;
  --bloom:    #A05064;
  --bloom-dk: #7D3E4F;
  --teal:     #0F5564;
  --night:    #00285F;
  --air:      #F5F0F0;
  --pause:    #EBD7CD;
  --stone:    #C8C8CD;
  --rule:     #DDD5CE;
  --shadow:   #5F5A64;
  --ink:      #2A2028;
  --white:    #FDFCFA;
  --bg:       var(--air);
  --bg-dark:  var(--teal);
  --bg-muted: var(--pause);
  --accent:   var(--sky);
  --cta:      var(--bloom);
  --cta-hover:var(--bloom-dk);
  --serif:    'Arsenal', Georgia, serif;
  --sans:     'Roboto', system-ui, sans-serif;
  --max:      1160px;
  --gap:      clamp(2rem, 5vw, 5rem);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.78;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; border: none; background: none; outline: none; }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; line-height: 1.18; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.5rem, 5.5vw, 4.2rem); }
h2 { font-size: clamp(1.85rem, 3.5vw, 2.7rem); }
h3 { font-size: clamp(1.3rem, 2.4vw, 1.75rem); }
h4 { font-size: 1.15rem; }
p { max-width: 68ch; }
p + p { margin-top: 1.1em; }

.label {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}
.lede {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  font-style: italic;
  color: var(--shadow);
  max-width: 60ch;
}
blockquote {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.1rem, 1.9vw, 1.35rem);
  line-height: 1.65;
  color: var(--shadow);
  border-left: 2px solid var(--dusk);
  padding-left: 1.5rem;
  margin: 2rem 0;
  max-width: 58ch;
}
blockquote cite {
  display: block;
  margin-top: 0.75rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  font-style: normal;
  font-weight: 400;
  color: var(--stone);
}

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 clamp(1.25rem, 5vw, 3rem); }
section { padding: var(--gap) 0; }
.rule { width: 2.5rem; height: 1px; background: var(--dusk); margin: 1.2rem 0 1.7rem; }

/* NAV */
.site-nav { position: sticky; top: 0; z-index: 100; background: var(--white); border-bottom: 1px solid var(--rule); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; max-width: var(--max); margin: 0 auto; padding: 0 clamp(1.25rem, 5vw, 3rem); }
.nav-logo img { height: 34px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 1.35rem; }
.nav-links a { font-size: 0.68rem; font-weight: 500; letter-spacing: 0.09em; text-transform: uppercase; color: var(--shadow); transition: color 0.2s; white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-cta { background: var(--cta) !important; color: var(--white) !important; padding: 0.55rem 1.35rem; font-size: 0.68rem !important; letter-spacing: 0.13em !important; transition: background 0.2s !important; }
.nav-cta:hover { background: var(--cta-hover) !important; }
.nav-toggle { display: none; cursor: pointer; padding: 0.4rem; background: none; border: none; }
.nav-toggle span { display: block; width: 22px; height: 1px; background: var(--ink); margin: 5px 0; }
.mobile-nav { display: none; flex-direction: column; background: var(--white); border-top: 1px solid var(--rule); padding: 1.5rem clamp(1.25rem, 5vw, 3rem) 2rem; gap: 1.1rem; }
.mobile-nav a { font-size: 0.78rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--shadow); }
.mobile-nav a.btn-solid { align-self: flex-start; margin-top: 0.5rem; background: var(--cta); color: var(--white); padding: 0.65rem 1.4rem; }
.mobile-nav.open { display: flex; }

/* BUTTONS */
.btn-solid { display: inline-block; background: var(--cta); color: var(--white); padding: 0.8rem 2rem; font-size: 0.7rem; font-weight: 500; letter-spacing: 0.13em; text-transform: uppercase; transition: background 0.22s; cursor: pointer; }
.btn-solid:hover { background: var(--cta-hover); color: var(--white); }
.btn-outline { display: inline-block; border: 1px solid var(--cta); color: var(--cta); padding: 0.78rem 1.95rem; font-size: 0.7rem; font-weight: 500; letter-spacing: 0.13em; text-transform: uppercase; transition: background 0.22s, color 0.22s; cursor: pointer; }
.btn-outline:hover { background: var(--cta); color: var(--white); }
.btn-text { font-size: 0.77rem; font-weight: 500; letter-spacing: 0.06em; color: var(--bloom); border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.btn-text:hover { border-color: var(--bloom); }
.btn-row { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; align-items: center; }

/* HERO */
.hero { padding: clamp(4rem, 9vw, 8rem) 0 clamp(3.5rem, 7vw, 6rem); border-bottom: 1px solid var(--rule); }
.hero h1 { max-width: 14ch; }
.hero .lede { margin-top: 1.5rem; }
.hero .btn-row { margin-top: 2.5rem; }
.hero-trust { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--rule); font-size: 0.75rem; letter-spacing: 0.06em; color: var(--stone); }
.hero-trust span { color: var(--shadow); }

.section-head { margin-bottom: 3rem; }
.section-head h2 { margin-top: 0.5rem; }
.section-head p { margin-top: 1rem; color: var(--shadow); }

/* SERVICES GRID */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 0; border: 1px solid var(--rule); }
.service-card { padding: 2.4rem 2rem; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); transition: background 0.2s; }
.service-card:hover { background: var(--bg-muted); }
.service-card.featured { background: var(--teal); color: var(--white); border-color: var(--teal); }
.service-card.featured .label { color: var(--dusk); }
.service-card.featured p { color: rgba(255,255,255,0.72); }
.service-card.featured .btn-text { color: var(--dusk); }
.service-card.featured .btn-text:hover { border-color: var(--dusk); }
.service-card h3 { font-size: 1.3rem; margin: 0.8rem 0 0.9rem; }
.service-card p { font-size: 0.93rem; max-width: 44ch; margin-top: 0; }
.service-card .btn-text { margin-top: 1.5rem; display: inline-block; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }

/* CLIENT LOGOS */
.clients-section { background: var(--white); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 3rem 0; }
.logo-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; margin-top: 2.5rem; border: 0.5px solid var(--rule); }
.logo-mark { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 1.75rem 2rem; flex: 1 1 160px; border-right: 0.5px solid var(--rule); border-bottom: 0.5px solid var(--rule); transition: background 0.2s; min-height: 90px; }
.logo-mark:hover { background: var(--bg-muted); }
.logo-mark img { max-height: 36px; max-width: 110px; width: auto; object-fit: contain; filter: grayscale(1) opacity(0.55); transition: filter 0.2s; }
.logo-mark:hover img { filter: grayscale(0.2) opacity(0.85); }
.lm-fallback { display: none; flex-direction: column; align-items: center; }
.lm-abbr { font-family: var(--serif); font-size: 0.82rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--shadow); line-height: 1; }
.lm-full { font-size: 0.62rem; color: var(--stone); margin-top: 0.35rem; font-weight: 400; text-align: center; line-height: 1.4; max-width: 12ch; }
.pricing-frame { background: var(--bg-muted); border: 0.5px solid var(--rule); padding: 0.25rem 1.5rem 1.5rem; margin: 2rem 0; }

/* TESTIMONIALS */
.proof-section { background: var(--bg-muted); }
.testimonials { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 4vw, 4rem); margin-top: 3rem; }
.tag-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--rule); }
.tag { font-size: 0.67rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--shadow); border: 1px solid var(--rule); padding: 0.35rem 0.85rem; }

.diff-section { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.diff-section p { color: var(--shadow); }

/* PROCESS */
.process-strip { background: var(--bg-muted); }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 2.5rem; }
.process-step { padding: 1.8rem 1.5rem 1.8rem 0; border-right: 1px solid var(--rule); }
.process-step:last-child { border-right: none; padding-right: 0; }
.step-num { font-family: var(--serif); font-size: 2.5rem; color: var(--sky); line-height: 1; margin-bottom: 0.8rem; }
.process-step h4 { font-size: 1rem; margin-bottom: 0.5rem; }
.process-step p { font-size: 0.88rem; color: var(--shadow); max-width: 30ch; }

/* CTA BAND */
.cta-band { background: var(--bg-dark); color: var(--white); text-align: center; padding: clamp(3rem, 7vw, 6rem) 0; }
.cta-band h2 { color: var(--white); max-width: 18ch; margin: 0 auto; }
.cta-band .lede { color: rgba(255,255,255,0.65); margin: 1.2rem auto 0; text-align: center; }
.cta-band .btn-row { justify-content: center; margin-top: 2.5rem; }
.cta-band .btn-solid { background: var(--white); color: var(--teal); }
.cta-band .btn-solid:hover { background: var(--dusk); color: var(--ink); }
.cta-band .btn-outline { border-color: rgba(255,255,255,0.45); color: var(--white); }
.cta-band .btn-outline:hover { background: rgba(255,255,255,0.12); }
.cta-band .note { margin-top: 1.5rem; font-size: 0.77rem; color: rgba(255,255,255,0.4); letter-spacing: 0.04em; }

/* SERVICE DETAIL */
.service-detail { border-bottom: 1px solid var(--rule); padding-bottom: var(--gap); }
.service-detail + .service-detail { padding-top: var(--gap); }
.service-meta { display: flex; gap: 2rem; flex-wrap: wrap; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); }
.service-meta-item { font-size: 0.83rem; color: var(--shadow); }
.service-meta-item strong { display: block; font-weight: 500; color: var(--ink); margin-bottom: 0.2rem; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.09em; }
.service-sub-head { font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.11em; text-transform: uppercase; color: var(--shadow); font-weight: 500; margin-top: 1.6rem; margin-bottom: 0.4rem; }

/* PRICING */
.pricing-table { width: 100%; border-collapse: collapse; margin: 2rem 0; }
.pricing-table th, .pricing-table td { text-align: left; padding: 0.9rem 1.2rem; font-size: 0.9rem; border-bottom: 1px solid var(--rule); }
.pricing-table th { font-weight: 500; font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--shadow); background: var(--bg-muted); }
.pricing-table tr:last-child td { border-bottom: none; }

/* SAMPLE BOX */
.sample-box { background: var(--bg-muted); border: 1px solid var(--rule); padding: 2.2rem 2.5rem; margin: 3rem 0; }
.sample-box h3 { margin-top: 0.5rem; }
.sample-box p { margin-top: 0.7rem; color: var(--shadow); font-size: 0.93rem; }
.sample-box .btn-solid { margin-top: 1.5rem; }

/* AUDIENCES */
.audience-sections .audience { padding: var(--gap) 0; border-bottom: 1px solid var(--rule); }
.audience:first-child { padding-top: 0; }
.audience-needs { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.35rem; }
.audience-needs li { font-size: 0.88rem; color: var(--shadow); padding-left: 1.1rem; position: relative; }
.audience-needs li::before { content: '—'; position: absolute; left: 0; color: var(--dusk); font-family: var(--serif); }

/* HOW IT WORKS */
.steps-list { margin-top: 2.5rem; }
.step-item { display: grid; grid-template-columns: 3.5rem 1fr; gap: 0 2rem; padding: 2.5rem 0; border-bottom: 1px solid var(--rule); align-items: start; }
.step-item:first-child { border-top: 1px solid var(--rule); }
.step-number { font-family: var(--serif); font-size: 2.4rem; color: var(--sky); line-height: 1; padding-top: 0.1rem; }
.step-content h3 { font-size: 1.4rem; margin-bottom: 0.7rem; }
.step-content p { color: var(--shadow); }
.step-roles { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; }
.step-role { font-size: 0.83rem; color: var(--shadow); padding: 0.9rem 1.1rem; background: var(--bg-muted); border-left: 2px solid var(--dusk); }
.step-role strong { display: block; color: var(--ink); font-weight: 500; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.09em; margin-bottom: 0.3rem; }

/* FAQ */
.faq-list { margin-top: 2rem; }
.faq-item { border-bottom: 1px solid var(--rule); padding: 1.4rem 0; }
.faq-item:first-child { border-top: 1px solid var(--rule); }
.faq-q { font-family: var(--serif); font-size: 1.1rem; margin-bottom: 0.6rem; }
.faq-a { font-size: 0.92rem; color: var(--shadow); max-width: 68ch; }

/* BELIEF GRID */
.belief-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem 4rem; margin-top: 2.5rem; }
.belief-item h4 { font-size: 1rem; margin-bottom: 0.5rem; }
.belief-item p { font-size: 0.9rem; color: var(--shadow); }

/* ETYMOLOGY */
.etymology { background: var(--teal); color: var(--white); padding: 2.5rem 3rem; margin: 3rem 0; border-left: 4px solid var(--dusk); }
.etymology .kanji { font-family: var(--serif); font-size: 3rem; line-height: 1; color: var(--dusk); margin-bottom: 0.6rem; }
.etymology h3 { color: var(--white); font-size: 1.5rem; margin-bottom: 0.6rem; }
.etymology p { color: rgba(255,255,255,0.75); font-size: 0.95rem; max-width: 52ch; margin: 0; }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(3rem, 7vw, 7rem); align-items: start; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-size: 0.68rem; font-weight: 500; letter-spacing: 0.11em; text-transform: uppercase; color: var(--shadow); margin-bottom: 0.55rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; background: var(--white); border: 1px solid var(--rule); padding: 0.8rem 1rem; font-size: 0.92rem; color: var(--ink); transition: border-color 0.2s; -webkit-appearance: none; border-radius: 0; }
.form-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23A58CAA' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; cursor: pointer; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--sky); }
.form-group textarea { resize: vertical; min-height: 140px; }
.form-note { font-size: 0.77rem; color: var(--stone); margin-top: 0.8rem; }
.form-group input[type="file"] { padding: 0.6rem 0; border: none; background: transparent; font-size: 0.82rem; color: var(--shadow); }
.contact-sidebar h3 { font-size: 1.3rem; }
.contact-method { padding: 1.4rem 0; border-bottom: 1px solid var(--rule); }
.contact-method:first-of-type { border-top: 1px solid var(--rule); margin-top: 1.8rem; }
.contact-method .label { margin-bottom: 0.5rem; }
.contact-method a { font-size: 0.95rem; color: var(--ink); border-bottom: 1px solid var(--rule); transition: border-color 0.2s, color 0.2s; }
.contact-method a:hover { border-color: var(--bloom); color: var(--bloom); }
.contact-method .address-block { font-style: normal; font-size: 0.88rem; color: var(--shadow); line-height: 1.65; }
.next-steps { margin-top: 2.5rem; }
.next-steps h4 { font-size: 0.88rem; margin-bottom: 1rem; }
.next-steps ol { list-style: decimal; padding-left: 1.2rem; }
.next-steps li { font-size: 0.88rem; color: var(--shadow); margin-bottom: 0.5rem; }
.trust-strip { margin-top: 2.5rem; padding: 1.4rem 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; }
.trust-strip span { font-size: 0.68rem; font-weight: 500; letter-spacing: 0.09em; text-transform: uppercase; color: var(--stone); }

/* PAGE HERO */
.page-hero { padding: clamp(3rem, 7vw, 6rem) 0 clamp(2rem, 5vw, 4rem); border-bottom: 1px solid var(--rule); }
.page-hero h1 { max-width: 20ch; }
.page-hero .lede { margin-top: 1.2rem; }
.page-hero .btn-row { margin-top: 2rem; }

/* FOOTER */
.site-footer { background: var(--bg-dark); color: var(--white); padding: clamp(3rem, 6vw, 5rem) 0 2.5rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.12); }
.footer-brand .footer-logo { display: block; margin-bottom: 1.1rem; }
.footer-brand .footer-logo img { height: 28px; width: auto; }
.footer-brand p { font-size: 0.87rem; color: rgba(255,255,255,0.5); max-width: 30ch; line-height: 1.65; }
.footer-brand address { font-style: normal; font-size: 0.82rem; color: rgba(255,255,255,0.38); line-height: 1.7; margin-top: 1.1rem; }
.footer-col h5 { font-family: var(--sans); font-size: 0.66rem; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.38); margin-bottom: 1.2rem; }
.footer-col a { display: block; font-size: 0.87rem; color: rgba(255,255,255,0.62); margin-bottom: 0.6rem; transition: color 0.2s; }
.footer-col a:hover { color: var(--dusk); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 2rem; font-size: 0.77rem; color: rgba(255,255,255,0.28); }

/* FORM SUCCESS */
.form-success { display: none; background: var(--bg-muted); border: 1px solid var(--rule); padding: 2rem 2.5rem; margin-top: 1.5rem; }
.form-success h4 { margin-bottom: 0.5rem; }
.form-success p { font-size: 0.92rem; color: var(--shadow); margin: 0; }

/* ANIMATIONS */
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
.fade-up { animation: fadeUp 0.6s ease both; }
.fade-up-d1 { animation-delay: 0.1s; }
.fade-up-d2 { animation-delay: 0.22s; }
.fade-up-d3 { animation-delay: 0.34s; }
.fade-up-d4 { animation-delay: 0.46s; }

.text-center { text-align: center; }
.text-center p { margin-left: auto; margin-right: auto; }
.muted { color: var(--shadow); }
.mt-1 { margin-top: 0.75rem; }
.mt-2 { margin-top: 1.5rem; }
.mt-3 { margin-top: 2.5rem; }
.small { font-size: 0.85rem; }

@media (max-width: 1140px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .two-col { grid-template-columns: 1fr; }
  .testimonials { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .process-step { border-right: none; border-bottom: 1px solid var(--rule); padding: 1.5rem 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .belief-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .client-item { flex: 0 0 50%; }
}
@media (max-width: 600px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.65rem; }
  .process-steps { grid-template-columns: 1fr; }
  .step-roles { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .logo-mark { flex: 1 1 120px; padding: 1.25rem 1rem; }
  .pricing-table th, .pricing-table td { padding: 0.7rem 0.8rem; font-size: 0.82rem; }
  .etymology { padding: 1.8rem; }
  .etymology .kanji { font-size: 2.2rem; }
}