/* DeFiner Tech Ltd — company site
   Design system: navy/gold professional theme
   Playfair Display (display serif) + Inter (body) */

:root {
  --navy-50: #f0f4f8;
  --navy-100: #d9e2ec;
  --navy-200: #bcccdc;
  --navy-300: #9fb3c8;
  --navy-500: #627d98;
  --navy-600: #486581;
  --navy-700: #334e68;
  --navy-800: #243b53;
  --navy-900: #102a43;
  --navy-950: #0a1929;
  --gold-100: #faf0c5;
  --gold-300: #f0d060;
  --gold-500: #c49b0c;
  --gold-600: #9a7a08;
  --font-display: "Playfair Display", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --measure: 62ch;
}

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

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--navy-800);
  background: #fff;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

a { color: var(--navy-700); }
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--gold-500);
  outline-offset: 3px;
  border-radius: 2px;
}

svg { display: block; width: 100%; height: auto; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy-900);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 20;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--navy-100);
}
.header-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 1.35rem;
}
.wordmark { text-decoration: none; display: inline-flex; align-items: baseline; gap: 0.6rem; }
.wordmark-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.55rem;
  color: var(--navy-900);
  letter-spacing: -0.01em;
}
.wordmark-dot { color: var(--gold-500); }
.wordmark-sub {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy-500);
}
.site-header nav { display: flex; gap: 1.75rem; }
.site-header nav a {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--navy-700);
}
.site-header nav a:hover {
  color: var(--navy-900);
  text-decoration: underline;
  text-underline-offset: 5px;
  text-decoration-color: var(--gold-500);
}

/* ---------- Hero ---------- */
.hero {
  border-bottom: 1px solid var(--navy-100);
  background:
    radial-gradient(ellipse 60% 50% at 85% 10%, var(--navy-50) 0%, rgba(240, 244, 248, 0) 70%),
    #fff;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(300px, 5fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding-block: clamp(3.5rem, 7vw, 6.5rem);
}
.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-600);
  font-weight: 600;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 4vw, 3.7rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--navy-900);
}
.hero h1 em { font-style: italic; color: var(--gold-600); }
.hero-lede {
  margin-top: 1.75rem;
  max-width: var(--measure);
  font-size: 1.12rem;
  font-weight: 300;
  color: var(--navy-700);
}
.hero-lede strong { font-weight: 600; color: var(--navy-900); }

.hero-index {
  list-style: none;
  margin-top: 2.75rem;
  border-top: 1px solid var(--navy-100);
  max-width: 620px;
}
.hero-index li { border-bottom: 1px solid var(--navy-100); }
.hero-index a {
  display: flex;
  align-items: baseline;
  gap: 1.1rem;
  padding: 0.95rem 0.5rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--navy-900);
  transition: background 0.15s ease;
}
.hero-index a:hover { background: var(--navy-50); }
.hero-index .idx {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gold-600);
  letter-spacing: 0.1em;
}
.hero-index .idx-note {
  margin-left: auto;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--navy-500);
}
.hero-index .idx-arrow {
  font-family: var(--font-body);
  color: var(--gold-500);
  opacity: 0;
  transition: opacity 0.15s ease;
}
.hero-index a:hover .idx-arrow { opacity: 1; }
.hero-art { max-width: 560px; justify-self: end; }

/* ---------- Tools ---------- */
.tools { padding-block: 3.5rem 2rem; }
.section-head {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  flex-wrap: wrap;
  border-top: 3px solid var(--navy-900);
  padding-top: 1.25rem;
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--navy-900);
}
.section-head p { color: var(--navy-500); font-size: 0.95rem; }

.tool {
  display: grid;
  grid-template-columns: minmax(80px, 130px) minmax(0, 7fr) minmax(260px, 5fr);
  gap: clamp(1.5rem, 3.5vw, 3.5rem);
  align-items: center;
  padding-block: clamp(3rem, 5.5vw, 5rem);
  border-bottom: 1px solid var(--navy-100);
}
.tool:last-child { border-bottom: none; }
.tool--flip { grid-template-columns: minmax(260px, 5fr) minmax(0, 7fr) minmax(80px, 130px); }
.tool--flip .tool-numeral { order: 3; text-align: right; }
.tool--flip .tool-body { order: 2; }
.tool--flip .tool-art { order: 1; }

.tool-numeral {
  align-self: start;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(4rem, 8vw, 7rem);
  line-height: 0.9;
  color: var(--gold-300);
  user-select: none;
}
.tool-art { max-width: 440px; margin-inline: auto; width: 100%; }

.tool-title-row {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}
.tool-title-row h3 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.2vw, 2.5rem);
  font-weight: 700;
  color: var(--navy-900);
}
.badge-live {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #05603f;
  background: #e3f5ec;
  border: 1px solid #b5e3cd;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
}
.domain {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--navy-600);
  text-decoration: none;
  border-bottom: 1px solid var(--navy-200);
}
.domain:hover { color: var(--navy-900); border-color: var(--gold-500); }

.tool-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--gold-600);
  margin-bottom: 1.1rem;
}
.tool-desc { max-width: var(--measure); margin-bottom: 1.5rem; }

.tool-features { list-style: none; max-width: var(--measure); margin-bottom: 1.5rem; }
.tool-features li {
  position: relative;
  padding: 0.45rem 0 0.45rem 1.75rem;
  color: var(--navy-700);
}
.tool-features li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--gold-500);
  font-weight: 700;
}

.tool-for {
  max-width: var(--measure);
  font-size: 0.95rem;
  color: var(--navy-600);
  border-left: 3px solid var(--gold-500);
  padding-left: 1rem;
  margin-bottom: 2rem;
}
.tool-for span {
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy-900);
  margin-right: 0.4rem;
}

.tool-cta {
  display: inline-block;
  background: var(--navy-900);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.9rem 2rem;
  border-radius: 8px;
  transition: background 0.15s ease, transform 0.15s ease;
}
.tool-cta:hover { background: var(--navy-800); transform: translateY(-1px); }

/* ---------- Company (single dark section) ---------- */
.company {
  background:
    radial-gradient(ellipse 50% 60% at 90% 0%, rgba(196, 155, 12, 0.12) 0%, rgba(10, 25, 41, 0) 70%),
    var(--navy-950);
  color: var(--navy-100);
}
.company-inner {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(260px, 5fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
  padding-block: clamp(4rem, 8vw, 7rem);
}
.company h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  color: #fff;
  max-width: 20ch;
  margin-bottom: 1.75rem;
}
.company p { max-width: var(--measure); font-weight: 300; color: var(--navy-200); }
.company-facts {
  display: grid;
  gap: 1.75rem;
  border-left: 2px solid var(--navy-800);
  padding-left: clamp(1.5rem, 3vw, 2.5rem);
}
.company-facts dt {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-300);
  margin-bottom: 0.35rem;
}
.company-facts dd {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: #fff;
}

/* ---------- Footer ---------- */
.site-footer { padding-block: 3.5rem 2.5rem; border-top: 1px solid var(--navy-100); }
.footer-cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
}
.footer-brand p {
  font-size: 0.9rem;
  color: var(--navy-500);
  max-width: 24ch;
  margin-top: 0.5rem;
}
.footer-cols h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--navy-900);
  margin-bottom: 0.6rem;
}
.footer-cols a {
  display: block;
  font-size: 0.9rem;
  color: var(--navy-600);
  text-decoration: none;
  padding: 0.15rem 0;
}
.footer-cols a:hover {
  color: var(--navy-900);
  text-decoration: underline;
  text-decoration-color: var(--gold-500);
}
.footer-legal {
  margin-top: 3rem;
  font-size: 0.82rem;
  color: var(--navy-500);
}

/* ---------- Responsive ---------- */
@media (max-width: 1023px) {
  .tool, .tool--flip { grid-template-columns: minmax(70px, 100px) minmax(0, 1fr); }
  .tool-art { grid-column: 2; order: 4; max-width: 400px; margin-inline: 0; margin-top: 1.5rem; }
  .tool--flip .tool-numeral { order: 0; text-align: left; }
  .tool--flip .tool-body { order: 1; }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { justify-self: center; max-width: 460px; width: 100%; }
  .company-inner { grid-template-columns: 1fr; }
  .company-facts {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--navy-800);
    padding-top: 2rem;
  }
  .footer-cols { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
}

@media (max-width: 640px) {
  .header-inner { flex-direction: column; gap: 0.6rem; align-items: flex-start; }
  .tool, .tool--flip { grid-template-columns: 1fr; gap: 0.75rem; }
  .tool-numeral { font-size: 3.2rem; }
  .tool-art { grid-column: 1; max-width: 340px; }
  .hero-index .idx-note { display: none; }
}