/* Homepage styles. Pairs with /theme.css. Pure CSS — no Tailwind. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--indigo); text-decoration: none; transition: color var(--dur-fast) var(--ease); }
a:hover { color: var(--indigo-bright); }
::selection { background: rgba(129, 140, 248, 0.3); color: var(--text-strong); }
img { max-width: 100%; display: block; }

/* ---------------- Skip-to-content (a11y) ---------------- */
.skip-link {
  position: absolute;
  left: 16px; top: 16px;
  padding: 10px 14px;
  background: var(--text-strong);
  color: var(--bg);
  font-family: var(--font-mono); font-size: 13px; font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform var(--dur) var(--ease);
  z-index: 100;
}
.skip-link:focus { transform: translateY(0); color: var(--bg); }

/* ---------------- Layout ---------------- */
.container { max-width: var(--max-w-chrome); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: var(--max-w-prose); margin: 0 auto; padding: 0 24px; }

/* ---------------- Header (sticky, pure CSS mobile menu) ---------------- */
.site-header {
  position: fixed;
  inset: 16px 16px auto;
  z-index: 50;
  background: rgba(2, 6, 23, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: inset var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-header-inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
}
.brand {
  color: var(--text-strong);
  font-weight: 700;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.brand .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.18);
}
.brand-text { font-family: var(--font-sans); font-size: 15px; }

.nav-links {
  display: flex; align-items: center; gap: 22px;
  list-style: none; margin: 0; padding: 0;
}
.nav-links a { color: var(--text-muted); }
.nav-links a:hover { color: var(--text-strong); }
.nav-cta {
  background: var(--text-strong); color: var(--bg) !important;
  padding: 7px 14px; border-radius: 8px;
  font-weight: 600;
  transition: background var(--dur-fast) var(--ease);
}
.nav-cta:hover { background: #fff; }
.nav-lang {
  border: 1px solid var(--border-strong);
  padding: 4px 9px; border-radius: 6px;
  color: var(--text-muted) !important;
}
.nav-lang:hover { color: var(--text-strong) !important; border-color: var(--text-faint); }

/* Mobile menu — pure CSS via <details> */
.mobile-menu { display: none; position: relative; }
.mobile-menu summary {
  list-style: none; cursor: pointer;
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--text-strong);
  border-radius: 8px;
}
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu[open] summary { background: var(--surface); }
.mobile-menu .icon-bar,
.mobile-menu .icon-bar::before,
.mobile-menu .icon-bar::after {
  display: block; width: 18px; height: 2px;
  background: currentColor; border-radius: 1px;
  position: relative;
}
.mobile-menu .icon-bar::before { content: ''; position: absolute; top: -6px; left: 0; }
.mobile-menu .icon-bar::after  { content: ''; position: absolute; top:  6px; left: 0; }
.mobile-menu-panel {
  position: absolute;
  right: 0; top: calc(100% + 12px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  min-width: 220px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}
.mobile-menu-panel ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 4px;
}
.mobile-menu-panel a {
  display: block; padding: 10px 12px;
  color: var(--text);
  border-radius: 8px;
  font-family: var(--font-sans); font-size: 14px;
}
.mobile-menu-panel a:hover { background: var(--surface-2); color: var(--text-strong); }
.mobile-menu-panel hr {
  margin: 8px 0; border: 0; border-top: 1px solid var(--border);
}

@media (max-width: 760px) {
  .nav-links, .nav-cta-wrap { display: none; }
  .mobile-menu { display: inline-block; }
}

/* ---------------- Main spacing ---------------- */
main { padding-top: 96px; }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  padding: 56px 0 80px;
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; left: 50%; top: 35%;
  transform: translate(-50%, -50%);
  width: 700px; height: 400px;
  background: radial-gradient(closest-side, rgba(129, 140, 248, 0.18), transparent);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 820px; margin: 0 auto; padding: 0 24px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.7);
  border-radius: 999px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.hero-eyebrow .ping {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: ping 2.2s var(--ease) infinite;
}
@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5); }
  70% { box-shadow: 0 0 0 10px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}
.hero h1 {
  font-family: var(--font-sans); font-weight: 700;
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  line-height: 1.05; letter-spacing: -0.035em;
  color: var(--text-strong);
  margin: 0 0 24px;
}
.hero h1 .accent {
  background: linear-gradient(120deg, var(--indigo-bright), var(--indigo) 60%, #60a5fa);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero-dek {
  font-family: var(--font-serif); font-style: italic;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 640px; margin: 0 auto;
}
.hero-cta {
  margin-top: 36px;
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px;
  font-family: var(--font-sans); font-size: 14px; font-weight: 600;
  border-radius: 10px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--text-strong); color: var(--bg); }
.btn-primary:hover { background: #fff; color: var(--bg); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { color: var(--text-strong); border-color: var(--text-faint); }
.btn-indigo { background: var(--indigo-deep); color: #fff; }
.btn-indigo:hover { background: var(--indigo); color: #fff; }

/* ---------------- Trust strip ---------------- */
.clients {
  padding: 32px 0 56px;
  border-top: 1px solid var(--border);
  overflow: hidden;
}
.clients-eyebrow {
  text-align: center;
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--text-faint);
  margin: 0 0 28px;
}
.clients-track {
  position: relative;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.clients-row {
  display: flex; gap: 56px; align-items: center;
  width: max-content;
  animation: marquee 36s linear infinite;
}
.clients-row a {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-sans); font-weight: 600; font-size: 1.1rem;
  color: var(--text-faint);
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease);
}
.clients-row a:hover { color: var(--text-strong); }
.clients-row img { width: 18px; height: 18px; opacity: 0.5; filter: grayscale(1); border-radius: 3px; transition: opacity var(--dur-fast) var(--ease), filter var(--dur-fast) var(--ease); }
.clients-row a:hover img { opacity: 0.95; filter: grayscale(0); }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------------- Section primitives ---------------- */
.section {
  padding: 88px 0;
  border-top: 1px solid var(--border);
}
.section-narrow { max-width: var(--max-w-prose); margin: 0 auto; padding: 0 24px; }
.section-eyebrow {
  font-family: var(--font-mono); font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--indigo);
  margin: 0 0 12px;
}
.section h2 {
  font-family: var(--font-sans); font-weight: 700;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.15; letter-spacing: -0.025em;
  color: var(--text-strong);
  margin: 0 0 16px;
}
.section h2.with-marker::before {
  content: '§ '; color: var(--indigo);
  font-family: var(--font-mono); font-weight: 400;
  margin-right: 4px;
}
.section-lede {
  font-family: var(--font-serif); font-style: italic;
  font-size: 1.15rem; line-height: 1.55;
  color: var(--text-muted);
  margin: 0 0 48px;
  max-width: 56ch;
}

/* ---------------- Services (long-form sections) ---------------- */
.services-intro {
  max-width: var(--max-w-prose);
  margin: 0 auto 56px;
  padding: 0 24px;
}
.service {
  max-width: var(--max-w-prose);
  margin: 0 auto;
  padding: 64px 24px;
  border-top: 1px dashed var(--border);
}
.service:first-of-type { border-top: 0; padding-top: 0; }
.service-num {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}
.service h3 {
  font-family: var(--font-sans); font-weight: 600;
  font-size: 1.5rem; line-height: 1.25; letter-spacing: -0.02em;
  color: var(--text-strong);
  margin: 0 0 14px;
  scroll-margin-top: 100px;
}
.service-body {
  font-family: var(--font-serif);
  font-size: 1.05rem; line-height: 1.7;
  color: var(--text);
}
.service-body p { margin: 0 0 1em; }
.service-bullets {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid; gap: 10px;
}
.service-bullets li {
  font-family: var(--font-sans); font-size: 0.9rem;
  color: var(--text-muted);
  padding-left: 22px;
  position: relative;
}
.service-bullets li::before {
  content: ''; position: absolute; left: 0; top: 0.55em;
  width: 14px; height: 1px; background: var(--indigo);
}
.service-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--indigo);
}
.service-link:hover { color: var(--indigo-bright); }
.service-link::after { content: '→'; transition: transform var(--dur-fast) var(--ease); }
.service-link:hover::after { transform: translateX(3px); }

/* ---------------- About + stats ---------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: start;
  max-width: var(--max-w-chrome);
  margin: 0 auto; padding: 0 24px;
}
@media (max-width: 880px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }
.about-body {
  font-family: var(--font-serif);
  font-size: 1.05rem; line-height: 1.7;
  color: var(--text);
}
.about-body p { margin: 0 0 1em; }
.about-list { list-style: none; margin: 24px 0 0; padding: 0; display: grid; gap: 10px; }
.about-list li {
  display: flex; gap: 10px; align-items: flex-start;
  font-family: var(--font-sans); font-size: 0.92rem;
  color: var(--text-muted);
}
.about-list .check {
  flex-shrink: 0; margin-top: 4px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: rgba(129, 140, 248, 0.15);
  color: var(--indigo);
  font-size: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
}
.stats-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.stat {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}
.stat-value {
  font-family: var(--font-sans); font-weight: 700;
  font-size: 2rem; line-height: 1;
  background: linear-gradient(180deg, var(--text-strong), var(--text-muted));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.stat-label {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--text-faint);
  margin-top: 8px;
}

/* ---------------- Recent writing ---------------- */
.posts-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
  max-width: var(--max-w-chrome);
  margin: 0 auto; padding: 0 24px;
}
@media (max-width: 720px) { .posts-grid { grid-template-columns: 1fr; } }
.post-card {
  display: block;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 12px;
  padding: 22px 24px;
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.post-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.post-card-meta {
  display: flex; gap: 10px; align-items: center;
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-bottom: 10px;
}
.post-card-meta .tag {
  border: 1px solid var(--border-strong);
  border-radius: 999px; padding: 1px 8px;
  color: var(--indigo);
}
.post-card h3 {
  font-family: var(--font-sans); font-weight: 600;
  font-size: 1.05rem; line-height: 1.35; letter-spacing: -0.01em;
  color: var(--text-strong);
  margin: 0 0 8px;
}
.post-card p {
  font-family: var(--font-serif); font-style: italic;
  font-size: 0.95rem; line-height: 1.5;
  color: var(--text-muted);
  margin: 0;
}
.posts-more {
  text-align: center;
  margin-top: 32px;
}

/* ---------------- Testimonials ---------------- */
.testimonial-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  max-width: var(--max-w-chrome); margin: 0 auto; padding: 0 24px;
}
@media (max-width: 940px) { .testimonial-grid { grid-template-columns: 1fr; } }
.testimonial {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 12px;
  padding: 28px;
  display: flex; flex-direction: column;
}
.testimonial-quote-mark {
  font-family: var(--font-serif); font-style: italic;
  font-size: 2.4rem; line-height: 1;
  color: var(--indigo);
  margin-bottom: 8px; opacity: 0.6;
}
.testimonial-quote {
  font-family: var(--font-serif);
  font-size: 1rem; line-height: 1.6;
  color: var(--text);
  margin: 0 0 24px;
  flex: 1;
}
.testimonial-author {
  display: flex; gap: 12px; align-items: center;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.testimonial-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(129, 140, 248, 0.15);
  color: var(--indigo);
  font-family: var(--font-mono); font-weight: 700; font-size: 13px;
  display: inline-flex; align-items: center; justify-content: center;
}
.testimonial-name {
  font-family: var(--font-sans); font-size: 0.9rem; font-weight: 600;
  color: var(--text-strong);
}
.testimonial-role {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-faint);
}
.testimonial-role a { color: var(--text-muted); }
.testimonial-role a:hover { color: var(--text-strong); }

/* ---------------- FAQ ---------------- */
.faq-list { display: grid; gap: 8px; max-width: var(--max-w-prose); margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color var(--dur-fast) var(--ease);
}
.faq-item:hover { border-color: var(--border-strong); }
.faq-item summary {
  list-style: none; cursor: pointer;
  padding: 18px 22px;
  font-family: var(--font-sans); font-weight: 500; font-size: 0.95rem;
  color: var(--text-strong);
  display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: var(--font-mono); font-weight: 400;
  color: var(--text-faint);
  transition: transform var(--dur) var(--ease);
}
.faq-item[open] summary::after { content: '−'; }
.faq-answer {
  padding: 0 22px 18px;
  font-family: var(--font-serif);
  font-size: 0.98rem; line-height: 1.65;
  color: var(--text-muted);
}
.faq-answer p { margin: 0; }

/* ---------------- CTA banner ---------------- */
.cta-banner {
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, transparent, rgba(99, 102, 241, 0.06), transparent);
  padding: 100px 0;
  text-align: center;
}
.cta-banner h2 {
  font-family: var(--font-sans); font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem); letter-spacing: -0.025em;
  color: var(--text-strong);
  margin: 0 0 14px;
}
.cta-banner p {
  font-family: var(--font-serif); font-style: italic;
  color: var(--text-muted);
  font-size: 1.1rem; max-width: 50ch;
  margin: 0 auto 32px;
}

/* ---------------- Contact ---------------- */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  max-width: var(--max-w-chrome); margin: 0 auto; padding: 0 24px;
  align-items: start;
}
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; gap: 32px; } }
.contact-meta { display: grid; gap: 10px; margin-top: 24px; }
.contact-meta a, .contact-meta span {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 13px;
  color: var(--text-muted);
}
.contact-meta a:hover { color: var(--text-strong); }
.contact-form-card {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 14px;
  padding: 28px;
}

/* React form styles (used by ContactForm.tsx) */
.form-grid { display: grid; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 520px) { .form-row { grid-template-columns: 1fr; } }
.field label {
  display: block;
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-muted); margin-bottom: 6px;
}
.field label .req { color: var(--rose); }
.field input,
.field textarea {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: var(--font-sans); font-size: 14px; line-height: 1.4;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--indigo);
  background: var(--bg-elev);
}
.field-error { border-color: var(--rose) !important; }
.field-error-msg {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--rose);
  margin-top: 4px;
}
.form-status-error {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--rose);
  margin-top: 4px;
}
.form-success {
  text-align: center; padding: 32px 0;
}
.form-success .icon {
  width: 40px; height: 40px;
  border-radius: 50%; background: rgba(52, 211, 153, 0.15);
  color: var(--emerald);
  display: inline-flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  font-family: var(--font-mono); font-size: 18px;
}
.form-success h3 {
  font-family: var(--font-sans); font-weight: 600;
  color: var(--text-strong); margin: 0 0 8px;
}
.form-success p {
  font-family: var(--font-serif); color: var(--text-muted);
  margin: 0 0 16px;
}
.form-success button {
  background: none; border: 0; cursor: pointer;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--indigo);
}
.form-success button:hover { color: var(--indigo-bright); }
.btn-submit {
  width: 100%; justify-content: center; margin-top: 6px;
}
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ---------------- Footer ---------------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px;
  max-width: var(--max-w-chrome); margin: 0 auto; padding: 0 24px;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-tagline {
  font-family: var(--font-serif); font-style: italic;
  color: var(--text-muted);
  font-size: 0.95rem; line-height: 1.6;
  max-width: 28ch;
  margin: 12px 0 0;
}
.footer-col h4 {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--text-faint);
  margin: 0 0 14px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.footer-col a, .footer-col span {
  font-family: var(--font-sans); font-size: 0.9rem;
  color: var(--text-muted);
}
.footer-col a:hover { color: var(--text-strong); }
.footer-bottom {
  max-width: var(--max-w-chrome); margin: 48px auto 0; padding: 24px 24px 0;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-faint);
}
.footer-bottom .cursor::after {
  content: '▊'; color: var(--emerald); margin-left: 4px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }