/* =====================================================================
   Vaidik Infotech — styles
   Structure: tokens → base → layout → components → sections → motion
   ===================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* surfaces */
  --ink:        #0B0D12;
  --ink-2:      #12151C;
  --ink-3:      #1A1E27;
  --paper:      #F6F4EF;
  --paper-2:    #EEEBE4;
  --white:      #FFFFFF;

  /* text */
  --text:       #14161B;
  --text-body:  #4A4F5A;
  --text-faint: #6B707A;
  --on-ink:     #F3F1EC;
  --on-ink-dim: #9CA1AC;
  --on-ink-faint: #6E7480;

  /* accent (brass) */
  --accent:       #C9A04E;
  --accent-ink:   #8A6424;   /* accessible on paper */
  --accent-light: #DDBA72;   /* accessible on ink   */

  /* lines */
  --line:      #E1DDD4;
  --line-2:    #D3CEC3;
  --line-ink:  rgba(243, 241, 236, 0.09);
  --line-ink-2: rgba(243, 241, 236, 0.16);

  /* type */
  --f-sans:  "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --f-serif: "Instrument Serif", ui-serif, Georgia, "Times New Roman", serif;
  --f-mono:  "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-md:   1.125rem;
  --fs-lg:   clamp(1.125rem, 1rem + 0.4vw, 1.3125rem);
  --fs-h3:   clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
  --fs-h2:   clamp(2.1rem, 1.4rem + 2.6vw, 3.6rem);
  --fs-h1:   clamp(2.5rem, 1.5rem + 3.9vw, 4.6rem);

  /* layout */
  --container: 1240px;
  --gutter: clamp(1rem, 0.4rem + 2.6vw, 2.5rem);
  --section-y: clamp(5rem, 3.5rem + 6vw, 9.5rem);
  --header-h: 76px;

  /* shape & motion */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur: 0.5s;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 8px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text-body);
  font-family: var(--f-sans);
  font-size: var(--fs-base);
  line-height: 1.65;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

body.menu-open { overflow: hidden; }

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

h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }

h1, h2, h3 { color: var(--text); font-weight: 500; line-height: 1.1; letter-spacing: -0.03em; text-wrap: balance; }
p { text-wrap: pretty; }

em {
  font-family: var(--f-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

strong { color: var(--text); font-weight: 600; }

::selection { background: var(--accent); color: var(--ink); }

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

.icon { width: 1em; height: 1em; flex: none; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed;
  top: 12px; left: 12px;
  z-index: 200;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: var(--ink);
  font-weight: 600;
  border-radius: var(--r-sm);
  transform: translateY(-160%);
  transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: none; }

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Buttons & links ---------- */
.btn {
  --btn-h: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: var(--btn-h);
  padding: 0 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  white-space: nowrap;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease),
              border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn .icon { width: 1.05em; height: 1.05em; transition: transform 0.3s var(--ease); }
.btn:hover .icon { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }
.btn-sm { --btn-h: 40px; padding: 0 1rem; font-size: var(--fs-sm); }

.btn-accent { background: var(--accent); color: var(--ink); }
.btn-accent:hover { background: var(--accent-light); }

.btn-light { background: var(--on-ink); color: var(--ink); }
.btn-light:hover { background: var(--white); }

.btn-dark { background: var(--ink); color: var(--on-ink); }
.btn-dark:hover { background: var(--ink-3); }

.btn-ghost-dark { color: var(--on-ink); border-color: var(--line-ink-2); }
.btn-ghost-dark:hover { border-color: rgba(243, 241, 236, 0.4); background: rgba(243, 241, 236, 0.04); }

.btn-outline { color: var(--text); border-color: var(--line-2); background: transparent; }
.btn-outline:hover { border-color: var(--text); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text);
  font-weight: 500;
  border-bottom: 1px solid var(--line-2);
  padding-bottom: 2px;
  transition: border-color 0.25s var(--ease);
}
.link-arrow .icon { transition: transform 0.3s var(--ease); }
.link-arrow:hover { border-color: var(--text); }
.link-arrow:hover .icon { transform: translateX(3px); }

/* ---------- Section scaffolding ---------- */
.section { padding-block: var(--section-y); position: relative; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 1.5rem;
}
.label-num {
  color: var(--accent-ink);
  padding-right: 0.75rem;
  border-right: 1px solid var(--line-2);
}
.section-label-dark { color: var(--on-ink-dim); }
.section-label-dark .label-num { color: var(--accent-light); border-color: var(--line-ink-2); }

.section-title { font-size: var(--fs-h2); max-width: 18ch; }
.section-title em { color: var(--accent-ink); }

.section-intro {
  font-size: var(--fs-lg);
  line-height: 1.6;
  color: var(--text-body);
  max-width: 46ch;
}

.section-head { margin-bottom: clamp(3rem, 2rem + 3vw, 4.5rem); }
.section-head .section-intro { margin-top: 1.5rem; }

.section-head-split { display: grid; gap: 1.5rem; align-items: end; }
.section-head-split .section-intro { margin-top: 0; }
@media (min-width: 900px) {
  .section-head-split { grid-template-columns: 1.35fr 1fr; gap: 4rem; }
  .section-head-split .section-intro { justify-self: end; }
}

/* =====================================================================
   Header
   ===================================================================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding-top: 0;
  transition: padding 0.4s var(--ease);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: var(--header-h);
  color: var(--on-ink);
  transition: height 0.4s var(--ease);
}
.header-inner::before {
  content: "";
  position: absolute;
  inset: 0 calc(var(--gutter) - 14px);
  z-index: -1;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  background: transparent;
  transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease),
              -webkit-backdrop-filter 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
}

.site-header.is-scrolled { padding-top: 10px; }
.site-header.is-scrolled .header-inner { height: 58px; }
.site-header.is-scrolled .header-inner::before {
  background: rgba(11, 13, 18, 0.78);
  border-color: var(--line-ink);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
}

.brand { display: inline-flex; align-items: center; gap: 0.7rem; flex: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 9px;
  border: 1px solid var(--line-ink-2);
  font-family: var(--f-serif);
  font-size: 1.35rem;
  font-style: italic;
  line-height: 1;
  color: var(--accent-light);
  background: linear-gradient(180deg, rgba(243,241,236,0.06), rgba(243,241,236,0));
}
.brand-text { display: grid; line-height: 1.15; }
.brand-name { font-weight: 600; letter-spacing: -0.015em; font-size: 0.975rem; }
.brand-sub { font-family: var(--f-mono); font-size: 0.6875rem; color: var(--on-ink-dim); letter-spacing: 0.02em; }

.primary-nav { position: relative; margin-left: auto; display: none; }
.nav-list { display: flex; gap: 0.25rem; }
.nav-list a {
  display: block;
  padding: 0.45rem 0.8rem;
  font-size: var(--fs-sm);
  color: var(--on-ink-dim);
  border-radius: 999px;
  transition: color 0.25s var(--ease);
}
.nav-list a:hover,
.nav-list a[aria-current="true"] { color: var(--on-ink); }

.nav-indicator {
  position: absolute;
  left: 0;
  bottom: -4px;
  height: 2px;
  width: 0;
  border-radius: 2px;
  background: var(--accent);
  opacity: 0;
  transform: translateX(0);
  transition: transform 0.45s var(--ease), width 0.45s var(--ease), opacity 0.3s var(--ease);
}
.site-header.is-scrolled .nav-indicator { bottom: -2px; }

.header-cta { display: none; }

.menu-toggle {
  position: relative;
  margin-left: auto;
  width: 44px; height: 44px;
  display: grid;
  place-content: center;
  gap: 6px;
  border-radius: 10px;
  border: 1px solid var(--line-ink-2);
}
.menu-toggle-bar {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--on-ink);
  border-radius: 2px;
  transition: transform 0.4s var(--ease);
}
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-of-type(2) { transform: translateY(3.75px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:last-of-type  { transform: translateY(-3.75px) rotate(-45deg); }

@media (min-width: 1024px) {
  .primary-nav { display: block; }
  .header-cta { display: inline-flex; }
  .menu-toggle { display: none; }
}

/* ---------- Mobile menu ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--ink);
  color: var(--on-ink);
  padding-top: calc(var(--header-h) + 1.5rem);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0s linear 0.4s;
}
.mobile-menu[hidden] { display: block; }
.mobile-menu.is-open { opacity: 1; visibility: visible; transition: opacity 0.4s var(--ease), visibility 0s; }

.mobile-menu-inner { display: flex; flex-direction: column; min-height: calc(100% - 2rem); padding-bottom: 2rem; }
.mobile-nav { border-top: 1px solid var(--line-ink); }
.mobile-nav li {
  border-bottom: 1px solid var(--line-ink);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
  transition-delay: calc(var(--i, 0) * 45ms);
}
.mobile-menu.is-open .mobile-nav li { opacity: 1; transform: none; transition-delay: calc(80ms + var(--i, 0) * 45ms); }
.mobile-nav a {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1.05rem 0;
  font-size: clamp(1.75rem, 1.2rem + 3vw, 2.5rem);
  letter-spacing: -0.03em;
  font-weight: 500;
}
.mobile-nav a span { font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--accent-light); letter-spacing: 0.05em; }
.mobile-menu-foot { margin-top: auto; padding-top: 2.5rem; display: grid; gap: 0.5rem; color: var(--on-ink-dim); font-size: var(--fs-sm); }

@media (min-width: 1024px) { .mobile-menu { display: none !important; } }

/* =====================================================================
   Hero
   ===================================================================== */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--on-ink-dim);
  padding-top: calc(var(--header-h) + clamp(3rem, 1.5rem + 5vw, 6rem));
  padding-bottom: clamp(2.5rem, 2rem + 2vw, 3.5rem);
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 55% at 85% 20%, rgba(201, 160, 78, 0.13), transparent 70%),
    linear-gradient(var(--line-ink) 1px, transparent 1px) 0 0 / 72px 72px,
    linear-gradient(90deg, var(--line-ink) 1px, transparent 1px) 0 0 / 72px 72px;
  -webkit-mask-image: radial-gradient(90% 75% at 60% 30%, #000 25%, transparent 80%);
  mask-image: radial-gradient(90% 75% at 60% 30%, #000 25%, transparent 80%);
  opacity: 0.9;
}

.hero-grid {
  display: grid;
  gap: clamp(3rem, 2rem + 4vw, 4.5rem);
  align-items: center;
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 4.5rem; }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.eyebrow-dark { color: var(--on-ink-dim); }
.eyebrow-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(201, 160, 78, 0.16);
}

.hero-title {
  margin-top: 1.5rem;
  font-size: var(--fs-h1);
  line-height: 1.02;
  letter-spacing: -0.045em;
  color: var(--on-ink);
  max-width: 16ch;
}
.hero-title em { color: var(--accent-light); letter-spacing: -0.02em; }

.hero-lead {
  margin-top: 1.75rem;
  font-size: var(--fs-lg);
  line-height: 1.6;
  max-width: 50ch;
}
.hero-lead strong { color: var(--on-ink); font-weight: 500; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2.25rem; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(2.5rem, 2rem + 2vw, 3.5rem);
  border-top: 1px solid var(--line-ink);
  max-width: 520px;
}
.stat { padding: 1.25rem 1rem 0 0; }
.stat + .stat { padding-left: 1.25rem; border-left: 1px solid var(--line-ink); }
.stat dt { order: 2; font-size: var(--fs-sm); color: var(--on-ink-dim); line-height: 1.35; margin-top: 0.35rem; }
.stat dd {
  font-size: clamp(2rem, 1.6rem + 1.4vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  color: var(--on-ink);
  line-height: 1;
}
.stat dd span { color: var(--accent-light); }
.stat { display: flex; flex-direction: column; }
.stat dd { order: 1; }

/* ---------- Hero showcase (browser) ---------- */
.hero-visual { position: relative; min-width: 0; }
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 12% -6% -8% 10%;
  z-index: -1;
  background: radial-gradient(closest-side, rgba(201, 160, 78, 0.18), transparent);
  filter: blur(30px);
}

.browser {
  border-radius: var(--r-lg);
  border: 1px solid var(--line-ink-2);
  background: var(--ink-2);
  overflow: hidden;
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(0, 0, 0, 0.3);
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--line-ink);
}
.browser-dots { display: flex; gap: 6px; flex: none; }
.browser-dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(243, 241, 236, 0.14); }
.browser-url {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: 7px;
  background: rgba(243, 241, 236, 0.05);
  font-family: var(--f-mono);
  font-size: 0.75rem;
  color: var(--on-ink-dim);
  white-space: nowrap;
  overflow: hidden;
}
.browser-url .icon { width: 11px; height: 11px; color: var(--on-ink-faint); }
.browser-tag {
  flex: none;
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-light);
  padding: 0.2rem 0.5rem;
  border: 1px solid rgba(221, 186, 114, 0.28);
  border-radius: 6px;
}

.browser-view {
  position: relative;
  aspect-ratio: 1200 / 548;
  background: var(--ink-3);
}
.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.025);
  transition: opacity 0.9s var(--ease), transform 1.4s var(--ease);
}
.slide.is-active { opacity: 1; transform: none; }
.slide img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }

.showcase-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.1rem;
  padding-inline: 0.25rem;
}
.showcase-caption { display: flex; align-items: baseline; gap: 0.75rem; min-width: 0; }
.showcase-name { color: var(--on-ink); font-weight: 500; white-space: nowrap; }
.showcase-sector { font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--on-ink-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.showcase-tabs { display: flex; gap: 6px; flex: none; }
.showcase-tab {
  width: 28px;
  height: 24px;
  display: grid;
  align-items: center;
}
.showcase-tab span {
  position: relative;
  display: block;
  height: 2px;
  border-radius: 2px;
  background: rgba(243, 241, 236, 0.16);
  overflow: hidden;
}
.showcase-tab span::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent-light);
  transform: scaleX(0);
  transform-origin: left;
}
.showcase-tab.is-active span::after { transform: scaleX(1); }
.showcase.is-playing .showcase-tab.is-active span::after {
  animation: tab-progress var(--slide-ms, 5000ms) linear forwards;
}
.showcase.is-paused .showcase-tab.is-active span::after { animation-play-state: paused; }
@keyframes tab-progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ---------- Platform strip ---------- */
.platform-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  margin-top: clamp(4rem, 3rem + 4vw, 6rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--line-ink);
  font-size: var(--fs-sm);
  color: var(--on-ink-faint);
  letter-spacing: 0.01em;
}
@media (max-width: 719px) {
  .platform-strip { justify-content: flex-start; gap: 0.6rem 1.5rem; }
  .hero-actions .btn { flex: 1 1 100%; }
}
.platform-strip li { transition: color 0.25s var(--ease); }
.platform-strip li:hover { color: var(--on-ink); }

/* =====================================================================
   About
   ===================================================================== */
.about-grid { display: grid; gap: 2.5rem; }
@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 180px minmax(0, 1fr) 360px;
    gap: 4rem;
    align-items: start;
  }
  .about-grid > .section-label { position: sticky; top: calc(var(--header-h) + 2rem); margin-top: 0.85rem; }
}

.about-body { margin-top: 2rem; display: grid; gap: 1.1rem; max-width: 60ch; }
.about-body .lead { font-size: var(--fs-lg); color: var(--text); line-height: 1.55; }

.profile-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--white);
  padding: 1.75rem;
}
.profile-head { display: flex; gap: 1rem; align-items: center; padding-bottom: 1.5rem; border-bottom: 1px solid var(--line); }
.profile-mono {
  display: grid;
  place-items: center;
  width: 52px; height: 52px;
  flex: none;
  border-radius: 50%;
  background: var(--ink);
  color: var(--accent-light);
  font-family: var(--f-serif);
  font-size: 1.35rem;
  font-style: italic;
}
.profile-name { color: var(--text); font-weight: 600; font-size: 1.0625rem; letter-spacing: -0.015em; }
.profile-role { font-size: var(--fs-sm); color: var(--text-faint); line-height: 1.4; margin-top: 0.15rem; }

.profile-facts { display: grid; margin-block: 0.5rem 1.5rem; }
.profile-facts > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px dashed var(--line);
  font-size: var(--fs-sm);
}
.profile-facts dt { color: var(--text-faint); }
.profile-facts dd { color: var(--text); text-align: right; font-weight: 500; }

.chip-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip-list li {
  font-size: 0.8125rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--text-body);
}

/* =====================================================================
   Services
   ===================================================================== */
.services { background: var(--white); border-block: 1px solid var(--line); }

.service-list { border-top: 1px solid var(--line); counter-reset: svc; }
.service {
  position: relative;
  display: grid;
  gap: 0.75rem 2rem;
  grid-template-columns: auto 1fr;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}
.service::before {
  content: "";
  position: absolute;
  inset: 0 calc(var(--gutter) * -0.5);
  z-index: -1;
  background: var(--paper);
  border-radius: var(--r-md);
  opacity: 0;
  transform: scaleY(0.92);
  transition: opacity 0.35s var(--ease), transform 0.45s var(--ease);
}
.service:hover::before { opacity: 1; transform: none; }

.service-num { font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--accent-ink); padding-top: 0.55rem; }
.service-title { font-size: var(--fs-h3); letter-spacing: -0.025em; }
.service-desc { grid-column: 2; max-width: 52ch; }
.service-tags { grid-column: 2; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.service-tags li, .tag-list li {
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text-faint);
}

@media (min-width: 900px) {
  .service {
    grid-template-columns: 80px minmax(0, 1fr) minmax(0, 1.3fr);
    align-items: baseline;
    padding: 2.25rem 0;
  }
  .service-desc { grid-column: 3; grid-row: 1; }
  .service-tags { grid-column: 3; }
  .service-title { transition: transform 0.45s var(--ease); }
  .service:hover .service-title { transform: translateX(6px); }
}

.services-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  margin-top: 3rem;
  padding: 1.5rem 1.75rem;
  border-radius: var(--r-md);
  background: var(--paper);
  border: 1px solid var(--line);
}
.services-note p { max-width: 60ch; }

/* =====================================================================
   Work
   ===================================================================== */
.work-grid {
  display: grid;
  gap: clamp(2rem, 1.5rem + 1.5vw, 2.75rem) 1.5rem;
}
@media (min-width: 720px) {
  .work-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .work-card-lg { grid-column: 1 / -1; }
}
@media (min-width: 720px) and (max-width: 1023px) {
  .work-card:last-child { grid-column: 1 / -1; }
}
@media (min-width: 1024px) {
  .work-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .work-card { grid-column: span 4; }
  .work-card-lg,
  .work-card-lg + .work-card { grid-column: span 6; }
}

.work-link { display: block; }
.work-media {
  position: relative;
  aspect-ratio: 1200 / 548;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--paper-2);
  overflow: hidden;
}
.work-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.9s var(--ease);
}
.work-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(20, 22, 27, 0.04);
  pointer-events: none;
}
.work-link:hover .work-media img { transform: scale(1.03); }

.work-meta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.35rem 1rem;
  padding-top: 1.1rem;
}
.work-title { font-size: 1.25rem; letter-spacing: -0.025em; }
.work-tags { grid-column: 1; display: flex; flex-wrap: wrap; gap: 0.5rem; font-size: var(--fs-sm); color: var(--text-faint); }
.work-tags span + span::before { content: "·"; margin-right: 0.5rem; color: var(--line-2); }
.work-visit {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: start;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--f-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
  padding-top: 0.3rem;
  transition: color 0.25s var(--ease);
}
.work-visit .icon { transition: transform 0.3s var(--ease); }
.work-link:hover .work-visit { color: var(--text); }
.work-link:hover .work-visit .icon { transform: translate(2px, -2px); }
@media (max-width: 479px) {
  .work-visit { display: none; }
}

/* ---------- Project index ---------- */
.index { margin-top: clamp(4rem, 3rem + 3vw, 6rem); }
.index-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--text);
}
.index-title { font-size: var(--fs-h3); }
.index-sub { font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--text-faint); letter-spacing: 0.04em; text-transform: uppercase; }

.index-list li { border-bottom: 1px solid var(--line); }
.index-list a {
  position: relative;
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 0;
  transition: padding 0.4s var(--ease), color 0.25s var(--ease);
}
.ix-num { font-family: var(--f-mono); font-size: var(--fs-xs); color: var(--text-faint); }
.ix-name { color: var(--text); font-size: 1.125rem; font-weight: 500; letter-spacing: -0.02em; }
.ix-sector, .ix-domain { display: none; font-size: var(--fs-sm); }
.ix-domain { font-family: var(--f-mono); font-size: 0.8125rem; color: var(--text-faint); }
.ix-icon { width: 18px; height: 18px; color: var(--text-faint); transition: transform 0.35s var(--ease), color 0.25s var(--ease); }
.index-list a:hover { padding-inline: 0.75rem; }
.index-list a:hover .ix-icon { color: var(--accent-ink); transform: translate(2px, -2px); }

@media (min-width: 720px) {
  .index-list a { grid-template-columns: 3rem minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr) 24px; }
  .ix-sector, .ix-domain { display: block; }
}

/* =====================================================================
   Experience (dark)
   ===================================================================== */
.experience { background: var(--ink); color: var(--on-ink-dim); }
.experience .section-title { color: var(--on-ink); }
.experience .section-title em { color: var(--accent-light); }
.experience .section-intro { color: var(--on-ink-dim); margin-top: 1.5rem; }

.experience-grid { display: grid; gap: 3.5rem; }
@media (min-width: 1024px) {
  .experience-grid { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 6rem; align-items: start; }
  .experience-intro { position: sticky; top: calc(var(--header-h) + 3rem); }
}

.span-bar {
  position: relative;
  display: flex;
  gap: 4px;
  margin-top: 2.75rem;
  max-width: 420px;
  padding-bottom: 1.75rem;
}
.span-seg { height: 6px; border-radius: 3px; }
.span-seg-a { flex: 2; background: rgba(243, 241, 236, 0.22); }
.span-seg-b { flex: 9; background: linear-gradient(90deg, var(--accent), var(--accent-light)); }
.span-years {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  justify-content: space-between;
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  color: var(--on-ink-faint);
}
.span-years span:nth-child(2) { position: absolute; left: calc(2 / 11 * 100%); transform: translateX(-50%); }

.timeline { position: relative; padding-left: 2rem; }
.timeline::before,
.timeline::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.6rem;
  bottom: 0.6rem;
  width: 1px;
  background: var(--line-ink-2);
}
.timeline::after {
  background: linear-gradient(var(--accent-light), var(--accent));
  transform-origin: top;
  transform: scaleY(var(--progress, 1));
}
.js .timeline::after { transform: scaleY(var(--progress, 0)); }

.tl-item { position: relative; padding-bottom: 3.5rem; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: calc(-2rem + 0px);
  top: 0.45rem;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--accent-light);
  box-shadow: 0 0 0 5px var(--ink);
  z-index: 1;
}
.tl-item:first-child::before { background: var(--accent-light); }

.tl-period { font-family: var(--f-mono); font-size: var(--fs-xs); letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent-light); }
.tl-role { margin-top: 0.75rem; font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); color: var(--on-ink); letter-spacing: -0.03em; }
.tl-company { margin-top: 0.3rem; color: var(--on-ink); opacity: 0.8; }
.tl-points { margin-top: 1.5rem; display: grid; gap: 0.75rem; }
.tl-points li { position: relative; padding-left: 1.25rem; line-height: 1.6; }
.tl-points li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.75em;
  width: 8px; height: 1px;
  background: var(--on-ink-faint);
}
.experience .tag-list { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1.5rem; }
.experience .tag-list li { border-color: var(--line-ink-2); color: var(--on-ink-dim); }

.tl-item-edu { padding: 1.5rem; border: 1px solid var(--line-ink); border-radius: var(--r-md); background: var(--ink-2); }
.tl-item-edu::before { top: 1.95rem; }
.tl-item-edu .tl-period { color: var(--on-ink-faint); }
.tl-item-edu .tl-role { font-size: 1.25rem; margin-top: 0.5rem; }
.tl-item-edu .tl-company { font-size: var(--fs-sm); color: var(--on-ink-dim); opacity: 1; }

/* =====================================================================
   Skills
   ===================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--white);
  overflow: hidden;
}
.skill-group {
  padding: clamp(1.5rem, 1.2rem + 1vw, 2.25rem);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.35s var(--ease);
}
.skill-group:hover { background: #FBFAF7; }
@media (min-width: 720px) {
  .skills-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .skill-group:nth-child(odd) { border-right: 1px solid var(--line); }
  .skill-group-wide { grid-column: 1 / -1; border-right: 0 !important; }
}
@media (min-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .skill-group { border-right: 1px solid var(--line); }
  .skill-group:nth-child(4) { border-right: 0; }
  .skill-group:nth-child(odd) { border-right: 1px solid var(--line); }
  .skill-group:nth-child(4) { border-right: 0; }
  .skill-group-wide { grid-column: 1 / -1; border-bottom: 0; }
}
.skill-group:last-child { border-bottom: 0; }

.skill-kicker { font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-ink); }
.skill-title { margin-top: 0.6rem; font-size: 1.1875rem; letter-spacing: -0.02em; }
.skill-items { margin-top: 1.25rem; display: grid; gap: 0.55rem; }
.skill-items li { display: flex; align-items: center; gap: 0.65rem; color: var(--text); font-size: 0.9375rem; }
.skill-items li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--line-2); flex: none; transition: background-color 0.3s var(--ease); }
.skill-group:hover .skill-items li::before { background: var(--accent); }
@media (min-width: 720px) {
  .skill-items-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 2rem; }
}
@media (min-width: 1024px) {
  .skill-group-wide { display: grid; grid-template-columns: 1fr 3fr; column-gap: 2rem; align-items: start; }
  .skill-group-wide .skill-kicker { grid-column: 1; }
  .skill-group-wide .skill-title { grid-column: 1; }
  .skill-group-wide .skill-items { grid-column: 2; grid-row: 1 / span 2; margin-top: 0; grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* =====================================================================
   Process
   ===================================================================== */
.process { background: var(--paper-2); border-top: 1px solid var(--line); }
.process-list { display: grid; gap: 0; counter-reset: step; }
.step {
  position: relative;
  padding: 1.75rem 0 1.75rem 3.5rem;
  border-top: 1px solid var(--line-2);
}
.step-num {
  position: absolute;
  left: 0; top: 1.95rem;
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  color: var(--accent-ink);
}
.step-title { font-size: 1.3125rem; letter-spacing: -0.025em; margin-bottom: 0.6rem; }
.step p { font-size: 0.9375rem; max-width: 46ch; }

@media (min-width: 900px) {
  .process-list { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1.75rem; }
  .step { padding: 2rem 0 0; border-top: 0; }
  .step::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: -1.75rem;
    height: 1px;
    background: var(--line-2);
  }
  .step:last-child::before { right: 0; }
  .step::after {
    content: "";
    position: absolute;
    top: -4px; left: 0;
    width: 9px; height: 9px;
    border-radius: 50%;
    background: var(--paper-2);
    border: 1px solid var(--accent-ink);
    transition: background-color 0.3s var(--ease);
  }
  .step:hover::after { background: var(--accent); }
  .step-num { position: static; display: block; margin-bottom: 1.5rem; }
}

/* =====================================================================
   Contact
   ===================================================================== */
.contact { background: var(--ink); color: var(--on-ink-dim); }
.contact .section-title { color: var(--on-ink); }
.contact .section-title em { color: var(--accent-light); }
.contact .section-intro { color: var(--on-ink-dim); margin-top: 1.5rem; }

.contact-grid { display: grid; gap: 3.5rem; }
@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 5rem; align-items: start; }
}

.channels { margin-top: 2.5rem; border-top: 1px solid var(--line-ink); }
.channel {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line-ink);
}
.channel .icon {
  width: 40px; height: 40px;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--line-ink-2);
  color: var(--accent-light);
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease);
}
a.channel:hover .icon { background: var(--accent); color: var(--ink); border-color: var(--accent); }
.channel > span { display: grid; line-height: 1.35; min-width: 0; }
.channel-label { font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--on-ink-faint); }
.channel-value { color: var(--on-ink); overflow-wrap: anywhere; }

.contact-form {
  background: var(--paper);
  color: var(--text-body);
  border-radius: var(--r-lg);
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  display: grid;
  gap: 1.25rem;
}
.form-title { font-size: 1.375rem; letter-spacing: -0.025em; margin-bottom: 0.25rem; }
.field-row { display: grid; gap: 1.25rem; }
@media (min-width: 560px) { .field-row { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 0.45rem; }
.field label { font-size: var(--fs-sm); font-weight: 500; color: var(--text); }
.optional { color: var(--text-faint); font-weight: 400; }

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: var(--white);
  color: var(--text);
  font-size: 1rem;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  -webkit-appearance: none;
  appearance: none;
}
.field textarea { resize: vertical; min-height: 130px; line-height: 1.5; }
.field ::placeholder { color: #9A9EA6; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: #BDB7AA; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--text);
  box-shadow: 0 0 0 3px rgba(201, 160, 78, 0.25);
}
.field [aria-invalid="true"] { border-color: #B4432F; }
.field-error { font-size: 0.8125rem; color: #A23A27; min-height: 0; }
.field-error:empty { display: none; }

.select-wrap { position: relative; }
.select-wrap::after {
  content: "";
  position: absolute;
  right: 1rem; top: 50%;
  width: 7px; height: 7px;
  border-right: 1.5px solid var(--text-faint);
  border-bottom: 1.5px solid var(--text-faint);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.select-wrap select { padding-right: 2.5rem; cursor: pointer; }

.form-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 0.25rem; }
.form-actions .btn { flex: 1 1 200px; }
.form-note { font-size: 0.8125rem; color: var(--text-faint); }
.form-note.is-success { color: #2C6E49; }

/* =====================================================================
   Footer
   ===================================================================== */
.site-footer { background: var(--ink); color: var(--on-ink-dim); padding-bottom: 2rem; }

.footer-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: clamp(2.5rem, 2rem + 2vw, 3.5rem);
  border-top: 1px solid var(--line-ink);
  border-bottom: 1px solid var(--line-ink);
}
.footer-cta-title {
  font-size: clamp(1.75rem, 1.3rem + 2vw, 2.75rem);
  letter-spacing: -0.035em;
  color: var(--on-ink);
  font-weight: 500;
  line-height: 1.1;
}

.footer-grid { display: grid; gap: 2.5rem; padding-block: 3.5rem; border-top: 1px solid var(--line-ink); }
@media (min-width: 720px) { .footer-grid { grid-template-columns: repeat(3, 1fr); } .footer-brand { grid-column: 1 / -1; } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; } .footer-brand { grid-column: auto; } }

.footer-brand p { margin-top: 1.25rem; max-width: 40ch; font-size: var(--fs-sm); }
.footer-brand .brand { color: var(--on-ink); }
.footer-head { font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-ink-faint); margin-bottom: 1rem; }
.footer-col ul { display: grid; gap: 0.6rem; }
.footer-col a { font-size: var(--fs-sm); transition: color 0.2s var(--ease); overflow-wrap: anywhere; }
.footer-col a:hover { color: var(--on-ink); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line-ink);
  font-size: 0.8125rem;
  color: var(--on-ink-faint);
}
.to-top { display: inline-flex; align-items: center; gap: 0.4rem; transition: color 0.2s var(--ease); }
.to-top .icon { transform: rotate(-90deg); }
.to-top:hover { color: var(--on-ink); }

/* =====================================================================
   Motion
   ===================================================================== */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* page-load fade for the hero */
.js body { animation: page-in 0.6s var(--ease) both; }
@keyframes page-in { from { opacity: 0; } to { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
  .js .timeline::after { transform: scaleY(1); }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .mobile-menu, .hero-visual, .contact-form, .footer-cta, .skip-link { display: none !important; }
  .hero, .experience, .contact, .site-footer { background: #fff !important; color: #000 !important; }
  .js [data-reveal] { opacity: 1 !important; transform: none !important; }
}