/* ============================================================
   LownixTech — design system
   Palette: paper #F6F7F9 · ink #0E1116 · blossom violet #6D4DF2
   Type: Space Grotesk (display) · Inter (body) · JetBrains Mono (labels)
   ============================================================ */

:root {
  --ink: #0e1116;
  --ink-2: #151b24;
  --ink-3: #1d2530;
  --paper: #f6f7f9;
  --card: #ffffff;
  --line: #e4e7ec;
  --line-strong: #d3d8e0;
  --text: #1b2130;
  --muted: #5a6372;
  --violet: #6d4df2;
  --violet-deep: #4b2fd6;
  --violet-soft: #efebfe;
  --violet-border: #d8cffc;
  --leaf: #23a578;
  --leaf-soft: #e3f6ee;
  --danger: #d64545;
  --on-ink: #eceff5;
  --on-ink-muted: #98a2b3;
  --on-ink-line: rgba(255, 255, 255, 0.1);

  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(14, 17, 22, 0.05);
  --shadow-md: 0 10px 30px -12px rgba(14, 17, 22, 0.18);
  --shadow-violet: 0 12px 30px -10px rgba(109, 77, 242, 0.45);

  --container: 1160px;
  --nav-h: 72px;
  --ease: cubic-bezier(0.22, 0.8, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img, svg, video { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul[class], ol[class] { list-style: none; padding: 0; }
:focus-visible { outline: 2px solid var(--violet); outline-offset: 3px; border-radius: 4px; }

::selection { background: var(--violet); color: #fff; }

/* ---------- Type ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--text);
  text-wrap: balance;
}
.h-display { font-size: clamp(2.5rem, 5.4vw, 4.15rem); }
h1 { font-size: clamp(2.3rem, 4.6vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.05rem; }
p { max-width: 62ch; }
.lead { font-size: 1.15rem; color: var(--muted); }
.accent { color: var(--violet); }
strong { font-weight: 600; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 1.1rem;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--violet);
  border-radius: 2px;
}
.on-ink .eyebrow { color: #a795ff; }
.on-ink .eyebrow::before { background: #a795ff; }

/* ---------- Layout ---------- */
.container { width: min(var(--container), 92%); margin-inline: auto; }
.section { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.section-head { max-width: 640px; margin-bottom: clamp(2.2rem, 5vw, 3.4rem); }
.section-head p { margin-top: 0.9rem; color: var(--muted); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.on-ink { background: var(--ink); color: var(--on-ink); }
.on-ink h1, .on-ink h2, .on-ink h3, .on-ink h4 { color: #fff; }
.on-ink p { color: var(--on-ink-muted); }
.grid-2 { display: grid; gap: 2.5rem; grid-template-columns: repeat(2, 1fr); }
.grid-3 { display: grid; gap: 1.4rem; grid-template-columns: repeat(3, 1fr); }
.grid-4 { display: grid; gap: 1.4rem; grid-template-columns: repeat(4, 1fr); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.55rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary {
  background: linear-gradient(135deg, var(--violet), var(--violet-deep));
  color: #fff;
  box-shadow: var(--shadow-violet);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -10px rgba(109, 77, 242, 0.55); }
.btn-ghost { border-color: var(--line-strong); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--violet); color: var(--violet); }
.on-ink .btn-ghost { border-color: rgba(255, 255, 255, 0.22); color: #fff; }
.on-ink .btn-ghost:hover { border-color: #a795ff; color: #a795ff; }
.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.86rem; }
.btn:active { transform: translateY(0); }
.btn[disabled] { opacity: 0.6; cursor: wait; transform: none; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  color: var(--violet);
  font-size: 0.95rem;
}
.link-arrow::after { content: "→"; transition: transform 0.2s var(--ease); }
.link-arrow:hover::after { transform: translateX(4px); }

/* ---------- Navbar ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 60;
  transition: background 0.25s, box-shadow 0.25s, border-color 0.25s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(246, 247, 249, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.brand { display: inline-flex; align-items: center; gap: 0.6rem; }
.brand img { width: 34px; height: 34px; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.22rem; letter-spacing: -0.01em; }
.brand-name span { color: var(--violet); }
.nav-links { display: flex; align-items: center; gap: 1.9rem; }
.nav-links a { font-size: 0.94rem; font-weight: 500; color: var(--muted); transition: color 0.2s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.nav-links a[aria-current="page"] { color: var(--violet); }
.nav-cta { display: flex; align-items: center; gap: 1rem; }
.nav-toggle { display: none; background: none; border: 0; width: 42px; height: 42px; cursor: pointer; border-radius: var(--r-sm); }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); margin: 4px auto; border-radius: 2px; transition: transform 0.25s var(--ease), opacity 0.2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  padding: calc(var(--nav-h) + clamp(3rem, 7vw, 5.5rem)) 0 clamp(3.5rem, 7vw, 5.5rem);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -240px;
  right: -180px;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, rgba(109, 77, 242, 0.14), transparent 65%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 3.5rem; align-items: center; position: relative; }
.hero h1 em { font-style: normal; color: var(--violet); position: relative; white-space: nowrap; }
.hero h1 em::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0.06em;
  height: 0.14em;
  background: var(--violet-soft);
  z-index: -1;
  border-radius: 4px;
}
.hero .lead { margin-top: 1.3rem; }
.hero-actions { display: flex; gap: 0.9rem; margin-top: 2.1rem; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 1.6rem; margin-top: 2.4rem; flex-wrap: wrap; }
.hero-meta li { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; color: var(--muted); font-weight: 500; }
.hero-meta svg { width: 16px; height: 16px; color: var(--leaf); flex: none; }

/* Terminal — the signature */
.terminal {
  background: var(--ink);
  border-radius: var(--r-lg);
  box-shadow: 0 30px 60px -25px rgba(14, 17, 22, 0.5);
  border: 1px solid var(--ink-3);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  transform: rotate(1.2deg);
}
.terminal-bar { display: flex; align-items: center; gap: 0.45rem; padding: 0.8rem 1.1rem; border-bottom: 1px solid var(--on-ink-line); }
.terminal-bar i { width: 11px; height: 11px; border-radius: 50%; background: #313a47; }
.terminal-bar i:first-child { background: #e0655a; }
.terminal-bar i:nth-child(2) { background: #e0b13f; }
.terminal-bar i:nth-child(3) { background: #4ec269; }
.terminal-bar span { margin-left: auto; color: var(--on-ink-muted); font-size: 0.72rem; }
.terminal-body { padding: 1.3rem 1.2rem 1.5rem; min-height: 262px; color: #c6d0de; line-height: 1.9; }
.terminal-body .tl { display: block; white-space: pre-wrap; }
.terminal-body .cmd { color: #fff; }
.terminal-body .cmd::before { content: "$ "; color: #a795ff; }
.terminal-body .ok { color: #58d68d; }
.terminal-body .dim { color: #6d7a8c; }
.terminal-body .caret { display: inline-block; width: 8px; height: 15px; background: #a795ff; vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Logo strip / stats ---------- */
.stats-band { border-block: 1px solid var(--line); background: var(--card); }
.stats-band .container { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 2rem 1rem; text-align: center; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat b { display: block; font-family: var(--font-display); font-size: clamp(1.9rem, 3vw, 2.5rem); font-weight: 700; color: var(--text); letter-spacing: -0.02em; }
.stat b span { color: var(--violet); }
.stat small { color: var(--muted); font-size: 0.86rem; font-weight: 500; }

/* ---------- Cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 1.8rem;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }

.service-card { display: flex; flex-direction: column; gap: 0.85rem; position: relative; }
.service-card .icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--violet-soft);
  color: var(--violet);
  display: grid; place-items: center;
}
.service-card .icon svg { width: 22px; height: 22px; }
.service-card p { color: var(--muted); font-size: 0.95rem; flex: 1; }
.service-card .link-arrow { margin-top: 0.2rem; }
.service-card::after {
  content: "";
  position: absolute;
  inset: auto 1.8rem 0 1.8rem;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.service-card:hover::after { transform: scaleX(1); }

/* ---------- Expertise band ---------- */
.expertise { position: relative; overflow: hidden; }
.expertise::before {
  content: "";
  position: absolute;
  left: -160px; bottom: -260px;
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(109, 77, 242, 0.2), transparent 62%);
}
.expertise-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; position: relative; }
.expertise-card {
  border: 1px solid var(--on-ink-line);
  border-radius: var(--r-md);
  padding: 1.7rem 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  transition: background 0.25s, border-color 0.25s, transform 0.25s var(--ease);
}
.expertise-card:hover { background: rgba(255, 255, 255, 0.06); border-color: rgba(167, 149, 255, 0.5); transform: translateY(-4px); }
.expertise-card .num { font-family: var(--font-mono); font-size: 0.72rem; color: #a795ff; letter-spacing: 0.12em; }
.expertise-card h3 { margin-top: 0.7rem; font-size: 1.12rem; color: #fff; }
.expertise-card p { margin-top: 0.5rem; font-size: 0.9rem; }

/* ---------- Process ---------- */
.process { counter-reset: step; display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.2rem; }
.process li { counter-increment: step; position: relative; padding-top: 1.4rem; }
.process li::before {
  content: "0" counter(step);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--violet);
  letter-spacing: 0.1em;
}
.process li::after {
  content: "";
  position: absolute;
  top: 0.45rem; left: 0; right: 1rem;
  height: 1px;
  background: var(--line-strong);
}
.process li:hover::after { background: var(--violet); }
.process h3 { font-size: 1.02rem; margin: 0.45rem 0 0.35rem; }
.process p { font-size: 0.88rem; color: var(--muted); }

/* ---------- Tech marquee ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--line); background: var(--card); padding: 1.15rem 0; position: relative; }
.marquee::before, .marquee::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 90px; z-index: 2; pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(90deg, var(--card), transparent); }
.marquee::after { right: 0; background: linear-gradient(270deg, var(--card), transparent); }
.marquee-track { display: flex; gap: 3rem; width: max-content; animation: scroll 34s linear infinite; }
.marquee-track span {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 3rem;
  white-space: nowrap;
}
.marquee-track span::after { content: "✦"; color: var(--violet-border); font-size: 0.7rem; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ---------- Portfolio ---------- */
.filters { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 2.2rem; }
.chip {
  padding: 0.5rem 1.15rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--card);
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s;
}
.chip:hover { border-color: var(--violet); color: var(--violet); }
.chip.active { background: var(--ink); border-color: var(--ink); color: #fff; }

.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.work-card { overflow: hidden; padding: 0; display: flex; flex-direction: column; cursor: pointer; }
.work-cover { aspect-ratio: 16 / 10.5; position: relative; overflow: hidden; background: var(--ink-2); }
.work-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s var(--ease); }
.work-card:hover .work-cover img { transform: scale(1.045); }
.work-cover .ph {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-size: 2.4rem; font-weight: 700;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: -0.02em;
}
.work-cover .cat-tag {
  position: absolute; top: 0.9rem; left: 0.9rem;
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  background: rgba(14, 17, 22, 0.65); color: #cfd6e2;
  padding: 0.32rem 0.7rem; border-radius: 999px;
  backdrop-filter: blur(6px);
}
.work-body { padding: 1.4rem 1.5rem 1.6rem; display: flex; flex-direction: column; gap: 0.6rem; flex: 1; }
.work-body h3 { font-size: 1.12rem; }
.work-body p { font-size: 0.92rem; color: var(--muted); flex: 1; }
.tech-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.3rem; }
.tech-tags span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.28rem 0.6rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
}
.work-card[hidden] { display: none; }

/* Case study modal */
.modal { border: 0; border-radius: var(--r-lg); padding: 0; width: min(760px, 94vw); max-height: 88vh; box-shadow: 0 40px 80px -20px rgba(14,17,22,.5); }
.modal::backdrop { background: rgba(14, 17, 22, 0.62); backdrop-filter: blur(4px); }
.modal-inner { padding: clamp(1.6rem, 4vw, 2.6rem); overflow-y: auto; max-height: 88vh; }
.modal-close {
  position: sticky; top: 0; float: right;
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: var(--card);
  cursor: pointer; font-size: 1.1rem; line-height: 1; color: var(--muted);
}
.modal-close:hover { color: var(--text); border-color: var(--text); }
.modal h3 { font-size: 1.6rem; margin-bottom: 0.3rem; }
.modal .m-cat { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--violet); }
.modal-section { margin-top: 1.4rem; }
.modal-section h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); font-family: var(--font-mono); font-weight: 500; margin-bottom: 0.4rem; }
.modal-section p { color: var(--text); font-size: 0.97rem; }
.modal .tech-tags { margin-top: 0.6rem; }
.modal .btn { margin-top: 1.6rem; }

/* ---------- Testimonials ---------- */
.t-slider { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(330px, 420px); gap: 1.4rem; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 1rem; scrollbar-width: none; }
.t-slider::-webkit-scrollbar { display: none; }
.t-card { scroll-snap-align: start; display: flex; flex-direction: column; gap: 1rem; }
.t-card .quote-mark { font-family: var(--font-display); font-size: 2.6rem; line-height: 1; color: var(--violet); }
.t-card blockquote { font-size: 1rem; color: var(--text); flex: 1; }
.t-card figcaption { display: flex; align-items: center; gap: 0.85rem; }
.t-card .avatar {
  width: 42px; height: 42px; border-radius: 50%; flex: none;
  background: var(--violet-soft); color: var(--violet-deep);
  display: grid; place-items: center;
  font-weight: 700; font-family: var(--font-display); font-size: 0.95rem;
}
.t-card figcaption b { display: block; font-size: 0.93rem; }
.t-card figcaption small { color: var(--muted); font-size: 0.82rem; }
.t-card .stars { color: #e8a93c; letter-spacing: 2px; font-size: 0.85rem; }
.t-nav { display: flex; gap: 0.6rem; }
.t-nav button {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: var(--card);
  cursor: pointer; color: var(--text); font-size: 1rem;
  transition: all 0.2s;
}
.t-nav button:hover { border-color: var(--violet); color: var(--violet); }
.split-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; text-align: center; border-radius: var(--r-lg); padding: clamp(3rem, 7vw, 5rem) clamp(1.5rem, 5vw, 4rem); }
.cta-band::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(600px 260px at 15% 0%, rgba(109, 77, 242, 0.35), transparent 60%),
    radial-gradient(500px 260px at 90% 100%, rgba(35, 165, 120, 0.18), transparent 60%);
}
.cta-band > * { position: relative; }
.cta-band h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); }
.cta-band p { margin: 1rem auto 0; }
.cta-band .hero-actions { justify-content: center; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding: calc(var(--nav-h) + clamp(3rem, 6vw, 4.5rem)) 0 clamp(2.6rem, 5vw, 4rem); }
.page-hero .lead { margin-top: 1.1rem; }
.crumbs { display: flex; gap: 0.5rem; font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 1.4rem; flex-wrap: wrap; }
.crumbs a:hover { color: var(--violet); }
.crumbs span::before { content: "/"; margin-right: 0.5rem; color: var(--line-strong); }

/* ---------- Feature lists / detail pages ---------- */
.check-list { display: grid; gap: 0.8rem; }
.check-list li { display: flex; gap: 0.7rem; align-items: flex-start; font-size: 0.98rem; }
.check-list svg { width: 19px; height: 19px; color: var(--leaf); flex: none; margin-top: 3px; }
.detail-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 3.2rem; align-items: start; }
.info-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-md); padding: 1.7rem; }
.info-card h3 { font-size: 1.05rem; margin-bottom: 0.9rem; }
.faq details { border-bottom: 1px solid var(--line); padding: 1.1rem 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.02rem; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-display); font-size: 1.3rem; color: var(--violet); transition: transform 0.25s var(--ease); flex: none; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: 0.7rem; color: var(--muted); font-size: 0.96rem; }

.value-card h3 { display: flex; align-items: center; gap: 0.6rem; font-size: 1.05rem; }
.value-card h3 svg { width: 20px; height: 20px; color: var(--violet); flex: none; }
.value-card p { margin-top: 0.55rem; font-size: 0.93rem; color: var(--muted); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 3rem; align-items: start; }
.contact-cards { display: grid; gap: 1rem; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; padding: 1.3rem 1.4rem; }
.contact-item .icon { width: 42px; height: 42px; border-radius: 11px; background: var(--violet-soft); color: var(--violet); display: grid; place-items: center; flex: none; }
.contact-item .icon svg { width: 20px; height: 20px; }
.contact-item b { display: block; font-size: 0.95rem; }
.contact-item a, .contact-item small { color: var(--muted); font-size: 0.9rem; word-break: break-word; }
.contact-item a:hover { color: var(--violet); }
.wa-btn { background: #128c5a; color: #fff; border-color: transparent; }
.wa-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 26px -10px rgba(18, 140, 90, 0.55); }

.form-card { padding: clamp(1.6rem, 3.5vw, 2.4rem); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.86rem; font-weight: 600; }
.field label i { color: var(--danger); font-style: normal; }
.field input, .field select, .field textarea {
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  padding: 0.75rem 0.95rem;
  background: var(--paper);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--violet);
  box-shadow: 0 0 0 3px rgba(109, 77, 242, 0.15);
  background: #fff;
}
.field .err { font-size: 0.78rem; color: var(--danger); display: none; }
.field.invalid input, .field.invalid textarea, .field.invalid select { border-color: var(--danger); }
.field.invalid .err { display: block; }
.form-note { font-size: 0.82rem; color: var(--muted); margin-top: 1rem; }
.hp { position: absolute !important; left: -6000px !important; opacity: 0; height: 0; overflow: hidden; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 1.6rem; left: 50%;
  transform: translate(-50%, 140%);
  background: var(--ink);
  color: #fff;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  display: flex; align-items: center; gap: 0.6rem;
  box-shadow: 0 18px 40px -12px rgba(14, 17, 22, 0.5);
  transition: transform 0.35s var(--ease);
  z-index: 100;
  max-width: 92vw;
}
.toast.show { transform: translate(-50%, 0); }
.toast.error { background: var(--danger); }
.toast svg { width: 17px; height: 17px; flex: none; }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: var(--on-ink-muted); padding: clamp(3.2rem, 6vw, 4.5rem) 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 2.5rem; padding-bottom: 3rem; }
.footer .brand-name { color: #fff; }
.footer-blurb { margin-top: 1rem; font-size: 0.92rem; max-width: 34ch; }
.footer h4 { color: #fff; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.1em; font-family: var(--font-mono); font-weight: 500; margin-bottom: 1.1rem; }
.footer-col a { display: block; padding: 0.32rem 0; font-size: 0.93rem; color: var(--on-ink-muted); transition: color 0.2s; }
.footer-col a:hover { color: #a795ff; }
.footer-contact li { display: flex; gap: 0.6rem; padding: 0.3rem 0; font-size: 0.92rem; align-items: flex-start; }
.footer-contact svg { width: 17px; height: 17px; margin-top: 3px; flex: none; color: #a795ff; }
.footer-contact a:hover { color: #a795ff; }
.socials { display: flex; gap: 0.7rem; margin-top: 1.3rem; }
.socials a {
  width: 38px; height: 38px; border-radius: 10px;
  border: 1px solid var(--on-ink-line);
  display: grid; place-items: center;
  transition: all 0.2s;
}
.socials a:hover { border-color: #a795ff; color: #a795ff; transform: translateY(-2px); }
.socials svg { width: 17px; height: 17px; }
.footer-bottom { border-top: 1px solid var(--on-ink-line); padding: 1.4rem 0; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: 0.84rem; }
.footer-bottom a { color: var(--on-ink-muted); }
.footer-bottom a:hover { color: #a795ff; }
.footer-bottom .legal { display: flex; gap: 1.4rem; }

/* ---------- Reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }

/* ---------- Utility ---------- */
.mt-1 { margin-top: 0.6rem; } .mt-2 { margin-top: 1.2rem; } .mt-3 { margin-top: 2rem; } .mt-4 { margin-top: 3rem; }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .grid-4, .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .work-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(3, 1fr); row-gap: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-grid, .detail-grid, .contact-grid { grid-template-columns: 1fr; }
  .terminal { transform: none; max-width: 560px; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav-links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.6rem 4% 1.2rem;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.8rem 0; width: 100%; font-size: 1.05rem; }
  .nav-toggle { display: block; }
  .nav-cta .btn { display: none; }
  .nav.scrolled, .nav:has(.nav-links.open) { background: var(--paper); }
  .grid-2, .grid-3, .grid-4, .work-grid, .expertise-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr 1fr; }
  .stats-band .container { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .t-slider { grid-auto-columns: 86%; }
  .footer-bottom { justify-content: center; text-align: center; }
}

@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; }
  .reveal { opacity: 1; transform: none; }
}