/* Qwerty Consultants — site styles. System fonts only: no external requests. */

/* ---------- Colours (Ink & Amber) ---------- */
:root {
  --bg: #faf8f3;
  --surface: #ffffff;
  --ink: #14181f;
  --muted: #586170;
  --line: #e5dfd3;
  --accent: #f2b632;
  --accent-strong: #99610a;
  --accent-ink: #14181f;
  --hero-bg: #14181f;
  --hero-ink: #f7f3ea;
  --hero-muted: #b4b9c2;
  --key-face: #232a35;
  --key-edge: #070a0e;
}

:root {
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
  --radius: 14px;
  --wrap: 1120px;
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
}
h1,
h2,
h3,
p,
ul,
ol,
dl,
dd {
  margin: 0;
}
ul,
ol {
  padding: 0;
  list-style: none;
}
h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
a {
  color: var(--accent-strong);
  text-underline-offset: 3px;
}
a:hover {
  text-decoration-thickness: 2px;
}
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}
.skip {
  position: absolute;
  left: -9999px;
  top: 8px;
  background: var(--surface);
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 8px;
  z-index: 100;
}
.skip:focus {
  left: 8px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-row {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 68px;
}
.nav {
  display: flex;
  gap: 26px;
  margin-left: auto;
}
.nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover {
  border-bottom-color: var(--accent);
}

/* Language toggle */
.lang {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  background: var(--surface);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.lang span {
  padding: 4px 11px;
  border-radius: 999px;
  color: var(--muted);
}
.lang .lang-on {
  background: var(--ink);
  color: var(--bg);
}
.lang:hover .lang-off {
  color: var(--ink);
}

/* ---------- Logo ---------- */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  flex-shrink: 0;
}
.logo i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.keycap-svg {
  width: 38px;
  height: 38px;
}
.kc-base {
  fill: var(--accent-strong);
}
.kc-top {
  fill: var(--ink);
}
.kc-letter {
  fill: var(--accent);
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
}
.logo-words {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}
.logo-words b {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
/* ---------- Hero ---------- */
.hero {
  background: var(--hero-bg);
  color: var(--hero-ink);
  padding: 96px 0 104px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}
.eyebrow,
.label {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.eyebrow {
  color: var(--accent);
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.6rem);
  font-weight: 750;
}
.lead {
  margin-top: 24px;
  max-width: 34em;
  font-size: 1.15rem;
  color: var(--hero-muted);
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}
.btn {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 10px;
  font-weight: 650;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 4px 0 var(--accent-strong);
}
.btn-primary:hover {
  transform: translateY(2px);
  box-shadow: 0 2px 0 var(--accent-strong);
}
.btn-ghost {
  color: var(--hero-ink);
  border-color: color-mix(in srgb, var(--hero-ink) 35%, transparent);
}
.btn-ghost:hover {
  border-color: var(--hero-ink);
}

/* Keyboard row */
.keys {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  transform: rotate(-6deg);
}
.key {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 14%;
  background: var(--key-face);
  color: var(--hero-ink);
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(1rem, 2vw, 1.6rem);
  box-shadow: 0 7px 0 var(--key-edge), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  animation: press 6s ease-in-out infinite;
}
.key-1 {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 7px 0 var(--accent-strong);
}
.key-2 { animation-delay: 0.25s; }
.key-3 { animation-delay: 0.5s; }
.key-4 { animation-delay: 0.75s; }
.key-5 { animation-delay: 1s; }
.key-6 { animation-delay: 1.25s; }
@keyframes press {
  0%, 6%, 100% { transform: translateY(0); }
  3% { transform: translateY(5px); }
}

/* ---------- Sections ---------- */
.section {
  padding: 96px 0;
}
.section-alt {
  background: var(--surface);
  border-block: 1px solid var(--line);
}
.label {
  color: var(--accent-strong);
  margin-bottom: 14px;
}
.section h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  font-weight: 720;
  max-width: 22em;
}
.intro {
  margin-top: 16px;
  max-width: 40em;
  color: var(--muted);
}

/* Services */
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 48px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px 30px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}
.card-key {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 9px;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--mono);
  font-weight: 700;
  box-shadow: 0 3px 0 var(--accent);
  margin-bottom: 22px;
}
.card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.card p {
  color: var(--muted);
  font-size: 0.98rem;
}

/* Approach */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  margin-top: 52px;
}
.steps li {
  border-top: 2px solid var(--ink);
  padding-top: 22px;
}
.step-n {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-strong);
}
.steps h3 {
  font-size: 1.2rem;
  margin: 10px 0;
}
.steps p {
  color: var(--muted);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}
.about-grid h2 {
  margin-bottom: 22px;
}
.about-grid p + p {
  margin-top: 16px;
}
.facts {
  border-top: 2px solid var(--ink);
}
.facts div {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.facts dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.facts dd {
  font-weight: 600;
  margin-top: 2px;
}

/* Contact */
.contact {
  background: var(--hero-bg);
  color: var(--hero-ink);
}
.contact .label {
  color: var(--accent);
}
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}
.contact-grid h2 {
  margin-bottom: 16px;
}
.contact-grid > div > p:not(.label) {
  color: var(--hero-muted);
  max-width: 32em;
}
.contact-box {
  border: 1px solid color-mix(in srgb, var(--hero-ink) 22%, transparent);
  border-radius: var(--radius);
  padding: 30px;
}
.contact-k {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--hero-muted);
}
.contact-v {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 4px 0 22px;
  overflow-wrap: anywhere;
}
.contact-v:last-child {
  margin-bottom: 0;
}
.contact a {
  color: var(--accent);
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 40px 0 48px;
  font-size: 0.88rem;
  color: var(--muted);
}
.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.footer-name {
  color: var(--ink);
  font-weight: 700;
}
.footer-side {
  text-align: right;
}

.notfound h1 {
  font-size: 2.4rem;
  margin-bottom: 12px;
}
.notfound h2 {
  margin: 40px 0 12px;
  font-size: 1.6rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 44px;
  }
  .keys {
    max-width: 420px;
    transform: rotate(-4deg);
  }
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .steps {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }
}
@media (max-width: 760px) {
  .wrap {
    padding: 0 16px;
  }
  .nav {
    display: none;
  }
  .lang {
    margin-left: auto;
  }
  .hero {
    padding: 64px 0 72px;
  }
  .section {
    padding: 68px 0;
  }
  .cards {
    grid-template-columns: minmax(0, 1fr);
  }
  .footer-side {
    text-align: left;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .key {
    animation: none;
  }
  .btn,
  .card {
    transition: none;
  }
}