:root {
  --ink: #14171a;
  --ink-soft: #4a5158;
  --paper: #ffffff;
  --paper-soft: #f6f7f8;
  --line: #e4e6e9;
  --accent: #1c3f6e;
  --accent-dark: #10233d;
  --radius: 10px;
  font-size: 16px;
}

* { box-sizing: border-box; }

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

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  height: 72px;
  gap: 24px;
}
.logo {
  font-weight: 800;
  font-size: 1.55rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  justify-self: start;
}
.logo-go { color: var(--accent); }
.logo-tao { color: var(--ink); }

nav {
  display: flex;
  justify-content: center;
  gap: 32px;
}
nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}
nav a:hover { color: var(--ink); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  justify-self: end;
}
.header-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
}
.header-link:hover { text-decoration: underline; }

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
}
.lang-toggle a {
  color: var(--ink-soft);
  text-decoration: none;
  padding: 2px 4px;
}
.lang-toggle a.active {
  color: var(--ink);
  border-bottom: 2px solid var(--accent);
}
.lang-toggle a:hover { color: var(--ink); }

/* Hero */
.hero {
  padding: 96px 0 88px;
  background: var(--accent);
  color: #fff;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255,255,255,0.75);
  margin: 0 0 16px;
}
.hero h1 {
  font-size: 2.6rem;
  line-height: 1.15;
  margin: 0 0 20px;
  max-width: 720px;
  color: #fff;
}
.lead {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 0 32px;
}
.hero .lead { color: rgba(255,255,255,0.82); }
.cta-group { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--ink);
  color: #fff;
}
.btn-primary:hover { background: #000; }
.btn-ghost {
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--ink); }
.hero .btn-primary {
  background: #fff;
  color: var(--accent-dark);
}
.hero .btn-primary:hover { background: #eef2f7; }
.hero .btn-ghost {
  border-color: rgba(255,255,255,0.45);
  color: #fff;
}
.hero .btn-ghost:hover { border-color: #fff; }

/* About */
.about {
  padding: 80px 0;
  background: var(--paper);
}
.about h2 {
  font-size: 1.8rem;
  margin: 0 0 16px;
}
.about .lead {
  max-width: 720px;
  margin-bottom: 0;
}
.about-divider {
  height: 1px;
  background: var(--line);
  margin: 48px 0 40px;
}
.cards-heading {
  font-size: 1.4rem;
  margin: 0 0 8px;
}
.section-lead {
  color: var(--ink-soft);
  margin: 0 0 40px;
  max-width: 560px;
}
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.card-icon svg { width: 20px; height: 20px; }
.card h3 {
  font-size: 1.05rem;
  margin: 0 0 10px;
}
.card p {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin: 0;
}

/* Contact */
.form-row {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-row label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
}
.form-row input,
.form-row textarea {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--ink);
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.contact-form .btn {
  width: 100%;
  border: none;
  cursor: pointer;
}
.form-note {
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin: 14px 0 0;
}

/* Page hero (About / Legal) */
.page-hero {
  padding: 72px 0 40px;
}
.page-hero h1 {
  font-size: 2.2rem;
  line-height: 1.2;
  max-width: 760px;
  margin: 0 0 12px;
}
.page-hero .lead { margin-bottom: 0; }

.page-content {
  padding: 8px 0 88px;
}
.container.narrow { max-width: 720px; }
.page-content h2 {
  font-size: 1.4rem;
  margin: 40px 0 14px;
}
.page-content p {
  color: var(--ink-soft);
  margin: 0 0 18px;
  text-align: justify;
  text-justify: inter-word;
}
.page-content p.lead { color: var(--ink-soft); }
.page-content p.cta-line { text-align: left; }
.cta-line {
  margin-top: 32px;
  font-size: 1.05rem;
  color: var(--ink);
}
.cta-line a { color: var(--accent); font-weight: 600; }

/* Contact page */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 20px;
}
.optional {
  font-weight: 400;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.direct-contact {
  background: var(--paper-soft);
  border-top: 1px solid var(--line);
  padding: 56px 0 72px;
  text-align: center;
}
.direct-contact-inner p {
  text-align: center;
}
.direct-contact-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.direct-contact h3 {
  font-size: 1.15rem;
  margin: 0 0 8px;
}
.direct-contact-inner p {
  color: var(--ink-soft);
  margin: 0 0 10px;
}
.contact-email a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
  font-size: 1.15rem;
}
.contact-email a:hover { text-decoration: underline; }

@media (max-width: 720px) {
  .form-grid { grid-template-columns: 1fr; }
}

/* Contact CTA (homepage) */
.contact-cta {
  padding: 80px 0;
  background: var(--paper-soft);
  text-align: center;
}
.contact-cta h2 {
  font-size: 1.9rem;
  margin: 0 0 10px;
}
.contact-cta p {
  color: var(--ink-soft);
  margin: 0 0 28px;
}

/* Footer */
.site-footer {
  background: var(--accent-dark);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}
.footer-inner a {
  color: rgba(255,255,255,0.7);
}
.footer-inner a:hover { color: #fff; }

@media (max-width: 780px) {
  .header-inner {
    grid-template-columns: 1fr auto;
    grid-template-areas: "logo actions" "nav nav";
    height: auto;
    padding: 14px 0;
    row-gap: 12px;
  }
  .logo { grid-area: logo; }
  .header-actions { grid-area: actions; }
  nav { grid-area: nav; justify-content: flex-start; gap: 18px; }
  .hero h1 { font-size: 2rem; }
  .cards { grid-template-columns: 1fr; }
}