/* =========================================================================
   Toko Codes Ltd — tokocodes.com
   Deep ink + amber. Geist for display, Inter for body, JetBrains Mono for
   the engineering eyebrows. No build step.
   ========================================================================= */

/* ------- tokens ---------------------------------------------------------- */
:root {
  /* surfaces */
  --ink-900: #07080A;        /* page background */
  --ink-800: #0B0D11;        /* nav, footer */
  --ink-700: #0E1014;        /* cards */
  --ink-600: #14171D;        /* card hover */

  /* lines */
  --line:        rgba(255, 255, 255, 0.06);
  --line-strong: rgba(255, 255, 255, 0.12);

  /* type */
  --fg:       #EAEAF0;
  --fg-soft:  #B6B9C2;
  --fg-mute:  #8B8F9A;
  --fg-faint: #5A5E68;

  /* accent — single warm amber, used sparingly */
  --accent:        #E8B65A;
  --accent-soft:   rgba(232, 182, 90, 0.14);
  --accent-strong: #F1C977;

  /* status */
  --ok:    #4ADE80;
  --err:   #F87171;

  /* type stacks */
  --font-display: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* rhythm */
  --maxw: 1200px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);

  /* timing */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ------- reset (minimal) ------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink-900);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
  color: var(--fg);
}
p { margin: 0; }
a {
  color: inherit;
  text-decoration: none;
  transition: color 160ms var(--ease);
}
button { font: inherit; cursor: pointer; }
img, svg { display: block; max-width: 100%; }
hr { border: 0; height: 1px; background: var(--line); margin: 0; }

::selection { background: var(--accent); color: #1a1300; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ------- layout primitives ---------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--fg-mute);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--fg-faint);
}

/* ------- nav ------------------------------------------------------------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(7, 8, 10, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
  transition: padding 200ms var(--ease), background 200ms var(--ease);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.1rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.nav.scrolled .nav-inner { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.nav.scrolled { background: rgba(7, 8, 10, 0.92); }

.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  color: var(--fg);
}
.brand-mark { color: var(--fg); }
.brand-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  margin-left: 6px;
  transform: translateY(-1px);
  box-shadow: 0 0 14px rgba(232, 182, 90, 0.35);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 0.92rem;
  color: var(--fg-soft);
  font-weight: 450;
}
.nav-links a:hover { color: var(--fg); }
.nav-links a.cta {
  color: var(--ink-900);
  background: var(--fg);
  padding: 0.55rem 1rem;
  border-radius: 999px;
  font-weight: 500;
  transition: background 180ms var(--ease), transform 180ms var(--ease);
}
.nav-links a.cta:hover { background: var(--accent); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 0.5rem 0.55rem;
  color: var(--fg);
}
.nav-toggle svg { width: 18px; height: 18px; }

/* ------- buttons --------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.4rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition:
    background 180ms var(--ease),
    color 180ms var(--ease),
    border-color 180ms var(--ease),
    transform 180ms var(--ease);
  cursor: pointer;
}
.btn-primary {
  background: var(--fg);
  color: var(--ink-900);
}
.btn-primary:hover { background: var(--accent); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-arrow::after {
  content: '→';
  display: inline-block;
  transition: transform 200ms var(--ease);
}
.btn-arrow:hover::after { transform: translateX(3px); }

/* ------- hero ------------------------------------------------------------ */
.hero {
  position: relative;
  padding: clamp(8rem, 14vh, 11rem) 0 clamp(5rem, 10vh, 8rem);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  top: -20%; left: 50%;
  transform: translateX(-50%);
  width: 70vw;
  height: 70vw;
  max-width: 1100px;
  max-height: 1100px;
  background:
    radial-gradient(circle at 50% 40%, rgba(232,182,90,0.08) 0%, transparent 55%);
  pointer-events: none;
  filter: blur(8px);
}
.hero-inner { position: relative; }
.hero-eyebrow { margin-bottom: 1.5rem; }
.hero h1 {
  font-size: clamp(2.6rem, 6.5vw, 5rem);
  font-weight: 600;
  max-width: 18ch;
  margin-bottom: 1.4rem;
}
.hero h1 .accent { color: var(--accent); }
.hero-lede {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--fg-soft);
  max-width: 56ch;
  margin-bottom: 2.4rem;
  line-height: 1.55;
}
.hero-cta { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.hero-meta {
  margin-top: 4.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  max-width: 800px;
}
.hero-meta dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-faint);
  margin-bottom: 0.3rem;
}
.hero-meta dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--fg-soft);
}

/* ------- generic section ------------------------------------------------- */
.section { padding: clamp(5rem, 12vh, 9rem) 0; border-bottom: 1px solid var(--line); }
.section-head { margin-bottom: 4rem; max-width: 720px; }
.section-head .eyebrow { margin-bottom: 1.25rem; }
.section-head h2 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  margin-bottom: 1rem;
}
.section-head p { color: var(--fg-soft); font-size: 1.05rem; max-width: 60ch; }

/* ------- capabilities ---------------------------------------------------- */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.cap {
  background: var(--ink-700);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 200ms var(--ease);
}
.cap:hover { background: var(--ink-600); }
.cap-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.cap h3 { font-size: 1.35rem; font-weight: 600; }
.cap p { color: var(--fg-soft); font-size: 0.98rem; }

/* ------- process --------------------------------------------------------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.step {
  padding: 2rem 0;
  border-top: 1px solid var(--line-strong);
}
.step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 1rem;
  display: block;
  letter-spacing: 0.05em;
}
.step h3 {
  font-size: 1.25rem;
  margin-bottom: 0.8rem;
}
.step p { color: var(--fg-soft); font-size: 0.98rem; }

/* ------- selected work --------------------------------------------------- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.work-card {
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 220px;
  position: relative;
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}
.work-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.work-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-mute);
}
.work-card h3 { font-size: 1.2rem; }
.work-card p { color: var(--fg-soft); font-size: 0.95rem; flex: 1; }
.work-note {
  color: var(--fg-mute);
  font-size: 0.9rem;
  margin-top: 2rem;
  text-align: center;
  font-style: italic;
}

/* ------- contact --------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: start;
}
.contact-info h2 {
  font-size: clamp(2rem, 4.2vw, 2.8rem);
  margin-bottom: 1.5rem;
}
.contact-info > p {
  color: var(--fg-soft);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
  max-width: 42ch;
}
.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}
.contact-list li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1rem;
  align-items: start;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.contact-list dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-faint);
  padding-top: 0.15rem;
}
.contact-list dd { margin: 0; color: var(--fg-soft); font-size: 0.98rem; line-height: 1.55; }
.contact-list a { color: var(--fg); border-bottom: 1px solid transparent; transition: border-color 160ms var(--ease); }
.contact-list a:hover { border-color: var(--accent); color: var(--accent); }

/* form */
.contact-form {
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-mute);
}
.field input, .field textarea {
  background: var(--ink-900);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  color: var(--fg);
  font: inherit;
  font-size: 0.98rem;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
  resize: vertical;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #0a0c10;
}
.field textarea { min-height: 130px; }
.contact-form .btn { width: 100%; margin-top: 0.5rem; }
.contact-form .btn[data-state="sending"]  { opacity: 0.7; pointer-events: none; }
.contact-form .btn[data-state="ok"]       { background: var(--ok); color: #062; }
.contact-form .btn[data-state="err"]      { background: var(--err); color: #4a0a0a; }

/* ------- footer ---------------------------------------------------------- */
.footer {
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand-blurb {
  color: var(--fg-mute);
  font-size: 0.95rem;
  margin-top: 1rem;
  max-width: 32ch;
}
.footer h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-faint);
  margin-bottom: 1.25rem;
  font-weight: 500;
}
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.7rem; }
.footer ul a { color: var(--fg-soft); font-size: 0.95rem; }
.footer ul a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--fg-faint);
  font-size: 0.85rem;
}
.footer-bottom .mono { font-family: var(--font-mono); }

/* ------- legal pages ----------------------------------------------------- */
.legal {
  padding: clamp(8rem, 16vh, 11rem) 0 clamp(5rem, 10vh, 7rem);
}
.legal-inner { max-width: 760px; }
.legal h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  margin-bottom: 0.75rem;
}
.legal .updated {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--fg-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 3rem;
}
.legal h2 {
  font-size: 1.35rem;
  margin: 2.75rem 0 0.85rem;
  color: var(--fg);
}
.legal p, .legal li {
  color: var(--fg-soft);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}
.legal ul { padding-left: 1.25rem; margin-bottom: 1.25rem; }
.legal strong { color: var(--fg); font-weight: 500; }
.legal a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent-soft);
}
.legal a:hover { border-color: var(--accent); }

/* ------- 404 page -------------------------------------------------------- */
.notfound {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem var(--gutter) 4rem;
  position: relative;
  overflow: hidden;
}
.notfound-inner { max-width: 560px; position: relative; z-index: 1; }
.notfound .code {
  font-family: var(--font-display);
  font-size: clamp(6rem, 18vw, 10rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(180deg, var(--fg) 0%, var(--fg-faint) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}
.notfound h1 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  margin-bottom: 1rem;
}
.notfound p {
  color: var(--fg-soft);
  margin-bottom: 2.25rem;
  font-size: 1.05rem;
}

/* ------- reveal animation ----------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
[data-reveal].in-view {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ------- responsive ------------------------------------------------------ */
@media (max-width: 960px) {
  .cap-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; gap: 0; }
  .step { padding: 1.75rem 0; }
  .work-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(7, 8, 10, 0.98);
    backdrop-filter: blur(14px);
    padding: 1.5rem var(--gutter);
    gap: 1rem;
    border-bottom: 1px solid var(--line);
    align-items: stretch;
  }
  .nav-links.open a { padding: 0.6rem 0; font-size: 1rem; }
  .nav-links.open a.cta { text-align: center; }
  .nav-toggle { display: inline-flex; }

  .hero { padding-top: 7rem; }
  .hero-cta .btn { width: 100%; }
  .hero-meta { grid-template-columns: 1fr; gap: 1.25rem; }

  .cap { padding: 1.75rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { justify-content: flex-start; }
  .contact-list li { grid-template-columns: 1fr; gap: 0.3rem; }
  .contact-form { padding: 1.5rem; }
}