/* ============================================================
   Finetechnologies — Base, components & page styles
   Plain-HTML re-implementation of the Finetech design system
   components used on the landing page (Button, Card, Input,
   Textarea) plus page layout & responsive rules.
   ============================================================ */

/* ---------- Base ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--text-body);
  background: var(--bg-base);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-standard);
}
a:hover { color: var(--accent-hover); }

::selection {
  background: var(--accent-soft);
  color: var(--text-strong);
}

:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--radius-xs);
}

h1, h2, h3, p { margin: 0; }

.container { max-width: 1112px; margin: 0 auto; }

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

/* nav / link style used across header + footer */
.navlink { color: var(--text-muted); text-decoration: none; }
.navlink:hover { color: var(--text-strong); text-decoration: none; }

/* ---------- Button ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: var(--fw-medium);
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease-standard),
              color var(--dur-fast) var(--ease-standard),
              border-color var(--dur-fast) var(--ease-standard),
              transform var(--dur-instant) var(--ease-standard);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.985); }
.btn:disabled { opacity: 0.6; cursor: default; pointer-events: none; }
.btn:focus-visible { box-shadow: var(--shadow-focus); }

/* sizes */
.btn-sm { height: var(--control-sm); padding: 0 14px; font-size: var(--fs-body-sm); }
.btn-md { height: var(--control-md); padding: 0 18px; font-size: var(--fs-body); }
.btn-lg { height: var(--control-lg); padding: 0 22px; font-size: var(--fs-body); }
.btn-block { width: 100%; }

/* variants */
.btn-primary {
  background: var(--accent);
  color: var(--text-onbrand);
}
.btn-primary:hover { background: var(--accent-hover); color: var(--text-onbrand); }
.btn-primary:active { background: var(--accent-press); }

.btn-secondary {
  background: var(--surface-sunken);
  color: var(--text-body);
  border-color: var(--border-default);
}
.btn-secondary:hover { background: var(--surface-inset); color: var(--text-strong); }

.btn-ghost {
  background: transparent;
  color: var(--text-strong);
  border-color: var(--border-default);
}
.btn-ghost:hover { background: var(--surface-sunken); color: var(--text-strong); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 44px;
  background: color-mix(in srgb, var(--bg-base) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border-subtle);
}
.wordmark { font-size: 19px; font-weight: var(--fw-semibold); letter-spacing: -0.03em; color: var(--text-strong); }
.wordmark span { color: var(--accent-ontext); }
.nav { display: flex; gap: 26px; font-size: 14px; }
.header-right { display: flex; align-items: center; gap: 22px; }
.header-loc { font-family: var(--font-mono); font-size: 13px; color: var(--text-muted); }
.header-cta { font-family: var(--font-mono); font-size: 13px; color: var(--text-body); }
.header-cta:hover { color: var(--text-strong); }

/* ---------- Card ---------- */
.card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.card-lg { padding: 28px; }

/* ---------- Form fields ---------- */
.field { display: flex; flex-direction: column; gap: 7px; }
.field-label { font-size: var(--fs-body-sm); font-weight: var(--fw-medium); color: var(--text-body); }

.control {
  width: 100%;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  color: var(--text-strong);
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur-fast) var(--ease-standard),
              box-shadow var(--dur-fast) var(--ease-standard);
}
.control::placeholder { color: var(--text-subtle); }
.control:hover { border-color: var(--border-strong); }
.control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: var(--shadow-focus);
}

input.control { height: var(--control-lg); padding: 0 14px; }
textarea.control { padding: 12px 14px; resize: vertical; min-height: 108px; line-height: var(--lh-normal); }

.form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-error { margin: -4px 0 0; font-size: 13px; line-height: 1.5; color: var(--danger); }

/* success state */
.sent { text-align: center; padding: 20px 8px; }
.sent-check {
  width: 52px; height: 52px; border-radius: 999px;
  background: var(--success-soft);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto; color: var(--success);
}
.sent h3 { margin: 18px 0 0; font-size: 20px; font-weight: 600; letter-spacing: -0.02em; color: var(--text-strong); }
.sent p { margin: 10px auto 0; max-width: 320px; font-size: 15px; line-height: 1.55; color: var(--text-muted); }
.sent-actions { margin-top: 22px; display: flex; justify-content: center; }
.hidden { display: none !important; }

/* ---------- Hero ---------- */
.hero { padding: 96px 44px 24px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
  max-width: 1112px;
  margin: 0 auto;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-ontext);
}
.hero h1 {
  margin: 20px 0 0;
  font-size: 56px;
  font-weight: var(--fw-semibold);
  letter-spacing: -0.035em;
  line-height: 1.04;
  color: var(--text-strong);
  text-wrap: balance;
}
.hero-sub { margin: 22px 0 0; max-width: 470px; font-size: 18px; line-height: 1.6; color: var(--text-muted); }
.hero-cta { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }

/* hero device visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 520px;
  background: radial-gradient(120% 100% at 70% 0, color-mix(in srgb, var(--azure-500) 12%, var(--bg-subtle)) 0, var(--bg-subtle) 60%);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  overflow: hidden;
}
.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 34px 34px;
  opacity: .4;
  -webkit-mask-image: radial-gradient(90% 80% at 60% 20%, #000, transparent);
  mask-image: radial-gradient(90% 80% at 60% 20%, #000, transparent);
}
.phone {
  position: relative;
  width: 264px;
  height: 540px;
  margin: 44px 0 -80px;
  padding: 12px;
  background: linear-gradient(160deg, var(--ink-800), var(--ink-950));
  border-radius: 46px;
  box-shadow: 0 40px 90px -30px rgba(10,12,16,.55), inset 0 0 0 1.5px rgba(255,255,255,.06);
}
.phone-screen {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 36px;
  overflow: hidden;
  background: var(--ink-900);
}
.phone-notch {
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 96px; height: 26px;
  background: var(--ink-950);
  border-radius: 0 0 16px 16px;
  z-index: 2;
}
/* placeholder app screenshot (no image supplied) */
.app-shot {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  color: var(--ink-300);
  background:
    radial-gradient(90% 55% at 50% -5%, color-mix(in srgb, var(--azure-500) 28%, var(--ink-900)) 0, transparent 60%),
    var(--ink-900);
}
.app-shot-top { padding: 46px 20px 0; }
.app-shot-title { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; color: #fff; }
.app-shot-sub { margin-top: 6px; font-size: 12px; color: var(--ink-400); font-family: var(--font-mono); }
.app-shot-rows { margin-top: 26px; display: flex; flex-direction: column; gap: 12px; padding: 0 20px; }
.app-row { display: flex; align-items: center; gap: 12px; padding: 12px; border-radius: 12px; background: color-mix(in srgb, #fff 6%, transparent); border: 1px solid rgba(255,255,255,.06); }
.app-row .dot { width: 32px; height: 32px; border-radius: 9px; background: color-mix(in srgb, var(--azure-500) 40%, var(--ink-700)); flex: none; }
.app-row .lines { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.app-row .lines i { display: block; height: 7px; border-radius: 999px; background: rgba(255,255,255,.14); }
.app-row .lines i:last-child { width: 60%; background: rgba(255,255,255,.08); }
.app-shot-cta { margin: auto 20px 30px; height: 44px; border-radius: 12px; background: var(--azure-500); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 600; }

.hero-badge {
  position: absolute;
  left: 26px; bottom: 34px;
  display: flex; align-items: center; gap: 9px;
  padding: 9px 14px;
  background: color-mix(in srgb, var(--bg-base) 82%, transparent);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  box-shadow: 0 8px 24px -10px rgba(10,12,16,.3);
}
.dot-live { width: 7px; height: 7px; border-radius: 999px; background: var(--green-500); }
.hero-badge span:last-child { font-family: var(--font-mono); font-size: 12px; color: var(--text-body); }

/* ---------- Stats ---------- */
.stats-section { padding: 0 44px; }
.stats {
  max-width: 1112px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 22px 0;
}
.stat { flex: 1; padding: 0 8px; }
.stat + .stat { padding-left: 28px; }
.stat-num { font-family: var(--font-mono); font-size: 26px; font-weight: 600; letter-spacing: -0.02em; color: var(--text-strong); }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 3px; }
.stat-divider { width: 1px; height: 38px; background: var(--border-subtle); }

/* ---------- Section head (shared) ---------- */
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 28px; gap: 16px; }
.section-eyebrow { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); }
.section-eyebrow b { color: var(--text-subtle); font-weight: inherit; }

/* ---------- Selected work ---------- */
.work-section { padding: 80px 44px 40px; }
.work-all { font-family: var(--font-mono); font-size: 13px; color: var(--text-body); }
.work-all:hover { color: var(--text-strong); }

.worklist {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.workrow {
  display: grid;
  grid-template-columns: 56px 1.1fr 1.3fr auto auto;
  align-items: center;
  gap: 24px;
  padding: 26px 30px;
  border-bottom: 1px solid var(--border-subtle);
  color: inherit;
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease-standard);
}
.workrow:last-child { border-bottom: none; }
.workrow:hover { background: var(--surface-sunken); text-decoration: none; }
.workrow:hover .workarrow { transform: translateX(3px); opacity: 1; }
.work-num { font-family: var(--font-mono); font-size: 12px; color: var(--text-subtle); }
.work-name { font-size: 19px; font-weight: 600; letter-spacing: -0.01em; color: var(--text-strong); }
.work-platform { font-family: var(--font-mono); font-size: 12px; color: var(--text-subtle); margin-top: 4px; }
.work-blurb { font-size: 14px; line-height: 1.55; color: var(--text-muted); max-width: 400px; }
.work-metric { text-align: right; }
.work-metric b { display: block; font-family: var(--font-mono); font-size: 16px; font-weight: 600; color: var(--accent-ontext); }
.work-metric span { display: block; font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.workarrow {
  display: flex;
  color: var(--text-muted);
  opacity: .5;
  transition: transform var(--dur-fast) var(--ease-standard), opacity var(--dur-fast) var(--ease-standard);
}

/* ---------- How we work (approach) ---------- */
.approach-section { padding: 56px 44px 88px; }
.approach-eyebrow { display: block; margin-bottom: 28px; }
.approach-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.approach-num { font-family: var(--font-mono); font-size: 12px; color: var(--accent-ontext); margin-bottom: 12px; }
.approach-item h3 { font-size: 18px; font-weight: 600; color: var(--text-strong); }
.approach-item p { margin-top: 8px; font-size: 14px; line-height: 1.6; color: var(--text-muted); }

/* ---------- Contact ---------- */
.contact { padding: 0 44px 92px; }
.contact-inner {
  max-width: 1112px;
  margin: 0 auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: 56px;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 56px;
  align-items: start;
}
.contact h2 { margin: 16px 0 0; font-size: 34px; font-weight: 600; letter-spacing: -0.03em; line-height: 1.08; color: var(--text-strong); text-wrap: balance; max-width: 460px; }
.contact-sub { margin: 16px 0 0; max-width: 400px; font-size: 16px; line-height: 1.6; color: var(--text-muted); }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink-950); padding: 56px 44px 30px; }
.footer-grid {
  max-width: 1112px; margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px;
  padding-bottom: 44px; border-bottom: 1px solid var(--ink-800);
}
.footer-brand .wordmark { color: #fff; }
.footer-brand .wordmark span { color: var(--azure-400); }
.footer-brand p { margin-top: 14px; max-width: 280px; font-size: 14px; line-height: 1.6; color: var(--ink-400); }
.footer-col-title { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-500); margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 11px; font-size: 14px; color: var(--ink-300); }
.footer-links a { color: var(--ink-300); }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  max-width: 1112px; margin: 0 auto; padding-top: 22px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom .mono { font-family: var(--font-mono); font-size: 12px; color: var(--ink-500); }
.footer-status { display: flex; align-items: center; gap: 8px; }

/* ---------- Theme toggle ---------- */
.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: transparent; color: var(--text-muted);
  border: 1px solid var(--border-default); border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard);
}
.theme-toggle:hover { background: var(--surface-sunken); color: var(--text-strong); }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 44px; }
  .approach-grid { grid-template-columns: 1fr; gap: 24px; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .site-header { padding: 0 20px; }
  .nav, .header-loc { display: none; }
  .hero { padding: 56px 20px 20px; }
  .hero h1 { font-size: 38px; }
  .stats-section, .work-section, .approach-section, .contact { padding-left: 20px; padding-right: 20px; }
  .stats { flex-wrap: wrap; gap: 20px 0; }
  .stat { flex-basis: 50%; padding-left: 0; }
  .stat-divider { display: none; }
  .work-section { padding-top: 56px; }
  .workrow { grid-template-columns: auto 1fr auto; gap: 14px; padding: 18px 20px; }
  .work-blurb, .workarrow { display: none; }
  .section-head { flex-wrap: wrap; gap: 8px; }
  .form-row { grid-template-columns: 1fr; }
  .site-footer { padding: 48px 20px 30px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

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