/* =====================================================================
   yap-itsupport.com — the homepage and the owners' login door.

   The legal pages (privacy-policy, terms, sms-opt-in) and 404 keep
   styles.css: they are long-form text, already reviewed as published,
   and nothing about this redesign needed to touch them.

   Tokens first. The bare :root is the light palette; dark redefines only
   tokens, under the system preference. Components read tokens and never
   a literal colour, so both themes resolve as a set. The palette is the
   dashboard's (frontend/tailwind.config.js) — signing in from here lands
   somewhere that is visibly the same product.
   ===================================================================== */

:root {
  --bg: #f5f6fa;
  --surface: #ffffff;
  --tint: #eceef6;
  --line: #e2e4ee;
  --ink: #11132a;
  --ink-2: #4a4f6a;
  --ink-3: #7c819b;
  --accent: #5046e5;
  --accent-hover: #4038d0;
  --accent-soft: #eeedff;
  --on-accent: #ffffff;
  /* The one colour taken from the subject: an SMS bubble. Used only on
     the message the owner receives. */
  --sms: #1f9d55;
  --ink-band: #11132a;
  --ink-band-text: #eef0fb;
  --ink-band-muted: #b3b7d0;
  --phone-glass: rgba(255, 255, 255, 0.82);
  --shadow: 0 1px 2px rgba(17, 19, 42, 0.05), 0 12px 32px -12px rgba(17, 19, 42, 0.18);

  --font-display: 'Space Grotesk', 'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: clamp(1.6rem, 1.2rem + 1.6vw, 2.35rem);
  --step-3: clamp(2.4rem, 1.6rem + 3.6vw, 4.1rem);

  --radius: 16px;
  --gutter: 16px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0d18;
    --surface: #151729;
    --tint: #111325;
    --line: #262a45;
    --ink: #eef0fb;
    --ink-2: #b3b7d0;
    --ink-3: #858aa8;
    --accent: #8b85ff;
    --accent-hover: #a39eff;
    --accent-soft: #22214a;
    --on-accent: #0c0d18;
    --sms: #34c171;
    --ink-band: #151729;
    --ink-band-text: #eef0fb;
    --ink-band-muted: #b3b7d0;
    --phone-glass: rgba(21, 23, 41, 0.86);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 16px 40px -16px rgba(0, 0, 0, 0.6);
    color-scheme: dark;
  }
}

/* ---------------------------------------------------------------- base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.12; letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
p { margin: 0; }
/* :where() keeps this reset at zero specificity, so a list's own class
   (.hero__facts, .ticks) sets its spacing instead of losing to it. */
:where(ul[role='list'], ol[role='list']) { list-style: none; margin: 0; padding: 0; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(1160px, 100% - 2 * var(--gutter)); margin-inline: auto; }
.narrow { width: min(760px, 100% - 2 * var(--gutter)); }

.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 100;
  background: var(--ink); color: var(--bg); padding: 10px 14px; border-radius: 10px; text-decoration: none;
}
.skip-link:focus { top: 12px; }

.eyebrow {
  font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
}
.eyebrow--light { color: var(--ink-band-muted); }

/* ------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px; border-radius: 12px; border: 1px solid transparent;
  font: 600 0.9375rem/1.2 var(--font-body); text-decoration: none; cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
}
.btn--lg { padding: 14px 22px; font-size: 1rem; }
.btn--full { width: 100%; }
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-hover); }
.btn--ghost { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink-3); }
.btn[disabled] { opacity: 0.6; cursor: progress; }

/* -------------------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header__row { display: flex; align-items: center; gap: 20px; height: 68px; }

.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--ink); text-decoration: none;
  font: 700 1.125rem/1 var(--font-display); letter-spacing: -0.02em;
}
.nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav__link {
  color: var(--ink-2); text-decoration: none; font-size: 0.9375rem; font-weight: 500;
  padding: 8px 12px; border-radius: 10px;
}
.nav__link:hover { color: var(--ink); background: var(--tint); }
.nav__link--login { color: var(--ink); border: 1px solid var(--line); margin-left: 6px; }
.header__cta { flex-shrink: 0; }

.menu-btn { display: none; }

@media (max-width: 960px) {
  .header__cta { display: none; }
  .menu-btn {
    display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
    margin-left: auto; width: 44px; height: 44px; padding: 0 11px;
    background: transparent; border: 1px solid var(--line); border-radius: 12px; cursor: pointer;
  }
  .menu-btn span { display: block; height: 2px; background: var(--ink); border-radius: 2px; transition: transform 0.2s, opacity 0.2s; }
  .menu-btn[aria-expanded='true'] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-btn[aria-expanded='true'] span:nth-child(2) { opacity: 0; }
  .menu-btn[aria-expanded='true'] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .nav {
    position: fixed; inset: 68px 0 auto 0; margin: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 12px var(--gutter) 20px;
    background: var(--bg); border-bottom: 1px solid var(--line);
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity 0.18s, transform 0.18s, visibility 0.18s;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__link { padding: 14px 12px; font-size: 1.0625rem; }
  .nav__link--login { margin: 8px 0 0; text-align: center; }
}

/* ---------------------------------------------------------------- hero */
.hero { padding: 56px 0 72px; }
.hero__grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.hero__title { font-size: var(--step-3); font-weight: 700; letter-spacing: -0.035em; }
.hero__lede { margin-top: 20px; max-width: 34em; font-size: 1.1875rem; color: var(--ink-2); }
.hero__lede strong { color: var(--ink); font-weight: 600; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero__facts { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 28px; font-size: var(--step--1); color: var(--ink-2); }
.hero__facts li { display: inline-flex; align-items: center; gap: 8px; }
.hero__facts li::before {
  content: ''; width: 16px; height: 16px; flex-shrink: 0; border-radius: 50%;
  background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235046e5' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 10px no-repeat;
}

/* The phone: a lock screen with the two notifications an owner gets. */
.phone { margin: 0; justify-self: center; width: min(340px, 100%); }
.phone__screen {
  position: relative; overflow: hidden;
  aspect-ratio: 9 / 16.5; border-radius: 44px; padding: 56px 14px 20px;
  border: 10px solid var(--ink-band);
  background:
    radial-gradient(120% 60% at 20% 0%, rgba(99, 102, 241, 0.55), transparent 60%),
    radial-gradient(90% 50% at 100% 30%, rgba(6, 182, 212, 0.45), transparent 60%),
    linear-gradient(180deg, #2a2a6e 0%, #16163a 100%);
  box-shadow: var(--shadow);
}
.phone__clock { text-align: center; color: #fff; font: 600 3.5rem/1 var(--font-display); letter-spacing: -0.03em; }
.phone__date { text-align: center; color: rgba(255, 255, 255, 0.8); font-size: 0.9375rem; margin-top: 6px; margin-bottom: 26px; }
.phone__caption { margin-top: 12px; text-align: center; font-size: 0.8125rem; color: var(--ink-3); }

.note {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px; border-radius: 18px; margin-top: 8px;
  background: var(--phone-glass);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  color: var(--ink);
}
.note__icon {
  display: grid; place-items: center; flex-shrink: 0;
  width: 30px; height: 30px; border-radius: 8px; background: var(--ink-3); color: #fff;
}
.note__icon--sms { background: var(--sms); }
.note__app { font-size: 0.75rem; color: var(--ink-3); }
.note__title { font-size: 0.875rem; font-weight: 600; line-height: 1.3; margin-top: 1px; }
.note__body { font-size: 0.8125rem; color: var(--ink-2); line-height: 1.45; margin-top: 2px; }
.note__body--mono { font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------- sections */
.section { padding: 88px 0; }
.section--tint { background: var(--tint); }
.section--ink { background: var(--ink-band); color: var(--ink-band-text); }
.section__head { max-width: 720px; margin-bottom: 44px; }
.section__title { font-size: var(--step-2); font-weight: 700; }
.section__title--sm { font-size: clamp(1.45rem, 1.1rem + 1.2vw, 1.9rem); }
.section__lede { margin-top: 14px; color: var(--ink-2); max-width: 38em; }
.section--ink .section__lede { color: var(--ink-band-muted); }

/* Steps: a real sequence, so a real ordered list with the order shown. */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: none; }
.step { position: relative; padding-top: 20px; border-top: 2px solid var(--line); }
.step__n {
  display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent); color: var(--on-accent);
  font: 700 0.9375rem/1 var(--font-display); margin-bottom: 16px;
}
.step h3 { font-size: var(--step-1); font-weight: 600; margin-bottom: 8px; }
.step p { color: var(--ink-2); font-size: 0.975rem; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.feature { background: var(--surface); padding: 28px; }
.feature h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 8px; }
.feature p { color: var(--ink-2); font-size: 0.975rem; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.ticks { margin: 24px 0 28px; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 30px; color: var(--ink-2); }
.ticks li::before {
  content: ''; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235046e5' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 11px no-repeat;
}

/* The dashboard, drawn: same shape as the real Enquiries page. */
.mock { margin: 0; }
.mock__bar {
  display: flex; align-items: center; gap: 6px; padding: 12px 16px;
  background: var(--surface); border: 1px solid var(--line); border-bottom: 0; border-radius: var(--radius) var(--radius) 0 0;
}
.mock__bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.mock__bar em { margin-left: 10px; font-style: normal; font: 600 0.9375rem/1 var(--font-display); color: var(--ink); }
.mock__list { background: var(--surface); border: 1px solid var(--line); border-radius: 0 0 var(--radius) var(--radius); box-shadow: var(--shadow); }
.mock__list li { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-top: 1px solid var(--line); }
.mock__list li:first-child { border-top: 0; }
.mock__list div { flex: 1; min-width: 0; }
.mock__list strong { display: block; font-size: 0.9375rem; font-weight: 600; }
.mock__list small { display: block; font-size: 0.8125rem; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mock__av {
  display: grid; place-items: center; flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent); font-size: 0.75rem; font-weight: 700;
}
.mock__call {
  flex-shrink: 0; font-size: 0.8125rem; font-weight: 600; font-variant-numeric: tabular-nums;
  padding: 7px 10px; border-radius: 10px; background: var(--accent); color: var(--on-accent);
}

/* FAQ: native details, so it works with no script at all. */
.faq { display: grid; gap: 10px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 0 20px; }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 28px 18px 0; position: relative;
  font-weight: 600; font-size: 1.0625rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font: 500 1.4rem/1 var(--font-display); color: var(--ink-3); transition: transform 0.2s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding-bottom: 20px; color: var(--ink-2); }

/* IT & cabling: deliberately quieter than the product above it. */
.it { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; padding: 40px; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; }
.facts { margin-top: 20px; display: grid; gap: 6px; color: var(--ink-2); font-size: 0.975rem; }
.facts li::before { content: '— '; color: var(--ink-3); }
.it__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.it__cols h3 { font-size: 1.0625rem; font-weight: 600; margin-bottom: 12px; }
.it__cols ul { display: grid; gap: 8px; color: var(--ink-2); font-size: 0.95rem; }

/* ------------------------------------------------------------- contact */
.contact { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
.contact__email { margin-top: 24px; color: var(--ink-band-muted); }
.contact__email a { color: var(--ink-band-text); font-weight: 600; }
.contact__card { background: var(--surface); color: var(--ink); border-radius: 20px; padding: 28px; box-shadow: var(--shadow); }

.form { display: grid; gap: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; font-size: 0.875rem; font-weight: 600; }
.field em { font-style: normal; font-weight: 400; color: var(--ink-3); }
.field input, .field select, .field textarea {
  width: 100%; font: 400 1rem/1.4 var(--font-body); color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field .is-invalid, .field input.is-invalid, .field textarea.is-invalid { border-color: #dc2626; }
.field__error { font-size: 0.8125rem; font-weight: 500; color: #dc2626; min-height: 0; }
.field__error:empty { display: none; }
.field__error--form { padding: 10px 12px; border-radius: 10px; background: color-mix(in srgb, #dc2626 10%, transparent); }
.form__note { font-size: 0.8125rem; color: var(--ink-3); text-align: center; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-done { text-align: center; padding: 40px 12px; }
.form-done h3 { font-size: 1.5rem; margin-bottom: 8px; }
.form-done p { color: var(--ink-2); }

/* -------------------------------------------------------------- footer */
.footer { padding: 48px 0 32px; border-top: 1px solid var(--line); }
.footer__row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 32px; }
.footer__small { margin-top: 8px; font-size: var(--step--1); color: var(--ink-3); }
.footer__links { display: flex; flex-wrap: wrap; gap: 8px 22px; align-content: flex-start; }
.footer__links a { color: var(--ink-2); text-decoration: none; font-size: 0.9375rem; }
.footer__links a:hover { color: var(--ink); }
.footer__legal { margin-top: 32px; font-size: 0.8125rem; color: var(--ink-3); }

/* ---------------------------------------------------------- responsive */
@media (max-width: 1024px) {
  .steps { grid-template-columns: 1fr 1fr; row-gap: 32px; }
  .features { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .hero { padding-top: 32px; }
  .hero__grid, .split, .contact, .it { grid-template-columns: 1fr; gap: 40px; }
  .it { padding: 28px 22px; }
  .section { padding: 64px 0; }
}
@media (max-width: 560px) {
  .steps, .features, .it__cols, .form__row { grid-template-columns: 1fr; }
  .feature { padding: 22px; }
  .contact__card { padding: 22px; }
  .hero__actions .btn { flex: 1 1 100%; }
  .mock__call { display: none; }
}

/* ======================================================================
   The owners' login door (login.html)
   ====================================================================== */
.door { min-height: 100vh; display: grid; place-items: center; padding: 40px var(--gutter); }
.door__card { width: min(480px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 36px; box-shadow: var(--shadow); }
.door__title { font-size: 1.75rem; font-weight: 700; margin-top: 28px; }
.door__lede { margin-top: 10px; color: var(--ink-2); }
.door__actions { display: grid; gap: 10px; margin-top: 28px; }
.door__notes { margin-top: 28px; display: grid; gap: 10px; }
.door__notes details { border-top: 1px solid var(--line); padding-top: 10px; }
.door__notes summary { cursor: pointer; font-weight: 600; font-size: 0.975rem; }
.door__notes p { margin-top: 8px; color: var(--ink-2); font-size: 0.95rem; }
.door__back { display: inline-block; margin-top: 28px; font-size: 0.9375rem; color: var(--ink-2); text-decoration: none; }
.door__back:hover { color: var(--ink); }
@media (max-width: 480px) { .door__card { padding: 26px 20px; } }