/* Siratek LLC — shared stylesheet */

:root {
  --navy: #0F172A;
  --navy-soft: #1E293B;
  --on-navy: #FFFFFF;
  --ink: #0F172A;
  --slate: #334155;
  --slate-muted: #64748B;
  --gold: #CA8A04;
  --gold-text: #8A5D00;
  --gold-soft: #F5EFDA;
  --paper: #FAF9F5;
  --white: #FFFFFF;
  --line: #E1DED4;
  --line-strong: #C9C4B6;
  --header-bg: rgba(250, 249, 245, 0.92);
  --radius: 4px;
  --transition: 180ms ease;
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;
}

:root[data-theme="dark"] {
  --navy: #1B2540;
  --navy-soft: #263255;
  --ink: #F2F0EA;
  --slate: #C7CBD1;
  --slate-muted: #8892A0;
  --gold-text: #E3B23C;
  --paper: #0A0F1A;
  --white: #141B2C;
  --line: #26304A;
  --line-strong: #3A445C;
  --header-bg: rgba(10, 15, 26, 0.86);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.01em;
  font-weight: 600;
}

p {
  margin: 0;
  color: var(--slate);
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.mono {
  font-family: var(--font-mono);
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--navy);
  color: var(--on-navy);
  padding: 10px 16px;
  border-radius: 4px;
  z-index: 1000;
}
.skip-link:focus { left: 16px; top: 16px; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* Motion */
.reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: no-preference) {
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: none; }
  }

  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1), transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal.is-visible { opacity: 1; transform: none; }

  .index-row.reveal:nth-child(1) { transition-delay: 0ms; }
  .index-row.reveal:nth-child(2) { transition-delay: 80ms; }
  .index-row.reveal:nth-child(3) { transition-delay: 160ms; }
  .index-row.reveal:nth-child(4) { transition-delay: 240ms; }

  .contact-method.reveal:nth-child(1) { transition-delay: 0ms; }
  .contact-method.reveal:nth-child(2) { transition-delay: 80ms; }
  .contact-method.reveal:nth-child(3) { transition-delay: 160ms; }

  .hero-anim {
    opacity: 0;
    animation: fadeUp 750ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }

  .hero .kicker.hero-anim { animation-delay: 0ms; }
  .hero h1.hero-anim { animation-delay: 90ms; }
  .hero p.lead.hero-anim { animation-delay: 180ms; }
  .hero-actions.hero-anim { animation-delay: 270ms; }
  .hero .dossier.hero-anim { animation-delay: 380ms; }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  transition: background var(--transition), border-color var(--transition);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  color: var(--ink);
}

.brand-mark svg { width: 100%; height: 100%; }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--slate-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--slate);
  transition: color var(--transition);
  cursor: pointer;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover {
  color: var(--ink);
  border-bottom-color: var(--gold);
}

.nav-cta {
  padding: 10px 18px !important;
  background: var(--navy);
  color: var(--on-navy) !important;
  border-radius: var(--radius);
  border-bottom: none !important;
}

.nav-cta:hover {
  background: var(--navy-soft);
}

.toggle-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.icon-toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
  min-width: 32px;
  min-height: 32px;
  cursor: pointer;
  color: var(--slate-muted);
  transition: color var(--transition);
}

.icon-toggle:hover { color: var(--ink); }

.icon-toggle svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.icon-toggle-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.nav-toggle svg { width: 22px; height: 22px; color: var(--ink); }

/* Kicker */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-text);
  margin-bottom: 24px;
}

.kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--gold);
  display: inline-block;
}

/* Hero */
.hero {
  padding: 88px 0 96px;
  position: relative;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: center top;
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 65%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 0%, black 65%, transparent 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 64px;
  align-items: start;
}

.hero h1 {
  font-size: clamp(2.5rem, 4.6vw, 3.75rem);
  font-weight: 600;
  margin-bottom: 22px;
  letter-spacing: -0.015em;
}

.hero p.lead {
  font-size: 18px;
  color: var(--slate);
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 14.5px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
  min-height: 44px;
}

.btn-primary {
  background: var(--navy);
  color: var(--on-navy);
}

.btn-primary:hover { background: var(--navy-soft); transform: translateY(-1px); }

.btn-ghost {
  padding: 0;
  min-height: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
}

.btn-ghost:hover { border-bottom-color: var(--gold); }

/* Dossier panel (hero snapshot + legal box) */
.dossier {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  padding: 30px 28px;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.dossier:hover { transform: translateY(-3px); border-color: var(--line-strong); }

.dossier-title {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--slate-muted);
  margin-bottom: 22px;
  display: flex;
  justify-content: space-between;
}

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

.dossier-list li {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
}

.dossier-list li:first-child { border-top: none; padding-top: 0; }

.dossier-list dt,
.dossier-list .k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate-muted);
}

.dossier-list .v {
  color: var(--ink);
  font-weight: 500;
}

/* Section shared */
section { padding: 96px 0; }

.section-head {
  max-width: 620px;
  margin-bottom: 56px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  max-width: none;
}

.section-head-text { max-width: 560px; }

.section-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--slate-muted);
  white-space: nowrap;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--gold-text);
  margin-bottom: 14px;
  display: block;
}

.section-head h2 {
  font-size: clamp(1.8rem, 2.6vw, 2.35rem);
  margin-bottom: 14px;
}

.section-head p { font-size: 16.5px; max-width: 500px; }

.section-alt { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background var(--transition), border-color var(--transition); }

/* Editorial index list (services / why) */
.index-list { border-top: 1px solid var(--line); }

.index-row {
  display: grid;
  grid-template-columns: 72px 1.3fr 1.7fr;
  gap: 32px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--transition);
}

.index-row:hover { background: rgba(202, 138, 4, 0.07); }

.index-num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold-text);
  padding-top: 4px;
}

.index-row h3 {
  font-size: 19px;
  font-weight: 600;
  padding-right: 16px;
}

.index-row p { font-size: 15px; }

/* Client card */
.section-label.reveal { display: block; margin-bottom: 20px; }

.client-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  padding: 36px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 36px;
  align-items: center;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.client-card:hover { transform: translateY(-3px); border-color: var(--line-strong); }

.client-card-logo {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  border-right: 1px solid var(--line);
  padding-right: 32px;
}

.client-card-logo img {
  max-width: 100%;
  max-height: 56px;
  width: auto;
  filter: grayscale(1) contrast(0) brightness(0.35);
  opacity: 0.55;
  transition: filter var(--transition), opacity var(--transition);
}

.client-card:hover .client-card-logo img {
  filter: none;
  opacity: 1;
}

:root[data-theme="dark"] .client-card-logo img {
  filter: grayscale(1) contrast(0) brightness(2.4);
  opacity: 0.6;
}

:root[data-theme="dark"] .client-card:hover .client-card-logo img {
  filter: none;
  opacity: 1;
}

.client-card-fallback {
  display: none;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 56px;
  border: 1px dashed var(--line-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-muted);
}

.trust-line {
  font-family: var(--font-mono);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--slate-muted);
  margin-bottom: 12px;
}

.client-name {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 600;
  color: var(--ink);
}

.client-abbr {
  font-size: 0.55em;
  font-weight: 500;
  color: var(--slate-muted);
  margin-left: 6px;
}

@media (max-width: 640px) {
  .client-card { grid-template-columns: 1fr; }
  .client-card-logo { border-right: none; border-bottom: 1px solid var(--line); padding-right: 0; padding-bottom: 24px; justify-content: flex-start; }
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 56px;
  align-items: start;
}

.about-copy h2 { font-size: clamp(1.65rem, 2.3vw, 2.15rem); margin-bottom: 22px; }
.about-copy p { font-size: 16.5px; margin-bottom: 18px; }
.about-copy p:last-of-type { margin-bottom: 0; }
.about-copy strong { color: var(--ink); font-weight: 600; }

.about-copy .dossier { margin-top: 32px; }

.founder-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  padding: 30px 28px;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.founder-card:hover { transform: translateY(-3px); border-color: var(--line-strong); }

.founder-avatar {
  width: 84px;
  height: 84px;
  border-radius: 6px;
  background: var(--navy);
  overflow: hidden;
  margin-bottom: 20px;
}

.founder-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.founder-card h3 { font-size: 18px; margin-bottom: 3px; }

.founder-role {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold-text);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 16px;
  display: block;
}

.founder-card p { font-size: 14.5px; margin-bottom: 20px; }

.link-out {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 3px;
  transition: border-color var(--transition);
}

.link-out:hover { border-bottom-color: var(--gold); }
.link-out svg { width: 13px; height: 13px; }

/* Contact band */
.contact-band {
  background: var(--navy);
  color: var(--on-navy);
  padding: 96px 0;
  transition: background var(--transition);
}

.contact-band .kicker { color: var(--gold); }
.contact-band .kicker::before { background: var(--gold); }

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: end;
}

.contact-band h2 {
  color: var(--on-navy);
  font-size: clamp(1.9rem, 3.2vw, 2.6rem);
  max-width: 480px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.contact-method {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 15.5px;
  font-weight: 500;
  color: var(--on-navy);
  transition: opacity var(--transition);
}

.contact-method:hover { opacity: 0.75; }

.contact-method .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #94A3B8;
}

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0; }

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-inner p {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--slate-muted);
}

.footer-links { display: flex; gap: 24px; }

.footer-links a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--slate-muted);
  transition: color var(--transition);
}

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

.footer-legal {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--slate-muted);
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

/* Legal pages */
.legal-page { padding: 64px 0 96px; }
.legal-page h1 { font-size: 32px; margin-bottom: 8px; }

.legal-page .updated {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--slate-muted);
  margin-bottom: 40px;
  display: block;
}

.legal-page h2 { font-size: 19px; margin-top: 36px; margin-bottom: 12px; }
.legal-page p, .legal-page li { font-size: 15.5px; color: var(--slate); margin-bottom: 12px; }
.legal-page ul { padding-left: 20px; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 28px;
}

.back-link svg { width: 15px; height: 15px; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .contact-grid { gap: 40px; }
  .index-row { grid-template-columns: 48px 1fr; }
  .index-row p { grid-column: 2; }
}

@media (max-width: 720px) {
  .nav-links {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 18px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .brand-tag { display: none; }
  .hero { padding: 64px 0 72px; }
  section { padding: 64px 0; }
  .section-head { flex-direction: column; gap: 8px; }
  .contact-band { padding: 64px 0; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}