/* =========================================================================
   Adhoc Support landing site
   Single stylesheet. No build step, no external fonts or assets.
   Sections: tokens · reset · primitives · nav · hero · sections · cards
             steps · pillars · form · footer · responsive
   ========================================================================= */

/* ------------------------------ tokens ------------------------------ */
:root {
  /* Warm off-white base, near-black ink, single teal accent. */
  --bg:            #fbfaf9;
  --bg-alt:        #f4f2ef;
  --surface:       #ffffff;
  --ink:           #14171a;
  --ink-soft:      #3d454c;
  --muted:         #666e76;
  --border:        #e3e0dc;
  --border-strong: #cfcac4;

  --accent:        #0d7a72;
  --accent-hover:  #0a615a;
  --accent-soft:   rgba(13, 122, 114, 0.09);
  --accent-ink:    #ffffff;

  --danger:        #b4342b;
  --success:       #0d7a72;

  --shadow-sm: 0 1px 2px rgba(20, 23, 26, 0.05);
  --shadow-md: 0 4px 16px -4px rgba(20, 23, 26, 0.09), 0 1px 3px rgba(20, 23, 26, 0.05);
  --shadow-lg: 0 18px 40px -18px rgba(20, 23, 26, 0.22);

  --radius:    12px;
  --radius-sm: 8px;
  --radius-lg: 20px;

  --wrap: 1140px;
  --gut: clamp(20px, 5vw, 40px);

  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Segoe UI Mono",
          "Roboto Mono", Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.22, 0.75, 0.35, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:            #0d0f11;
    --bg-alt:        #131719;
    --surface:       #171b1e;
    --ink:           #edeff1;
    --ink-soft:      #c3c9ce;
    --muted:         #8f989f;
    --border:        #262c31;
    --border-strong: #39424a;

    --accent:        #2dd4bf;
    --accent-hover:  #5ee3d1;
    --accent-soft:   rgba(45, 212, 191, 0.12);
    --accent-ink:    #05201d;

    --danger:        #f0837a;
    --success:       #2dd4bf;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px -4px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 18px 40px -18px rgba(0, 0, 0, 0.7);
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.022em;
  font-weight: 640;
  text-wrap: balance;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

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

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

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top 0.18s var(--ease);
}
.skip-link:focus { top: 12px; color: var(--accent-ink); }

/* ------------------------------ primitives ------------------------------ */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.16s var(--ease), border-color 0.16s var(--ease),
              color 0.16s var(--ease), transform 0.16s var(--ease),
              box-shadow 0.16s var(--ease);
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover {
  background: var(--accent-hover);
  color: var(--accent-ink);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--border-strong);
}
.btn--ghost:hover {
  color: var(--ink);
  border-color: var(--ink);
  background: var(--accent-soft);
}

.btn--sm { padding: 8px 16px; font-size: 14px; }
.btn--lg { padding: 14px 28px; font-size: 16px; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.6; cursor: progress; }

/* Scroll-reveal. Neutralized entirely under reduced-motion (see bottom). */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ------------------------------ brand ------------------------------ */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 650;
  font-size: 17px;
  letter-spacing: -0.02em;
}
.brand:hover { color: var(--ink); }

.brand__mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0;
}

/* ------------------------------ nav ------------------------------ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(150%) blur(12px);
  -webkit-backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.nav.is-stuck {
  border-bottom-color: var(--border);
  background: color-mix(in srgb, var(--bg) 94%, transparent);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav__links > a:not(.btn) {
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 520;
  position: relative;
  padding-block: 4px;
}
.nav__links > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s var(--ease);
}
.nav__links > a:not(.btn):hover { color: var(--ink); }
.nav__links > a:not(.btn):hover::after { transform: scaleX(1); }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav__bar {
  display: block;
  width: 17px;
  height: 1.5px;
  margin-inline: auto;
  background: var(--ink);
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}
.nav__toggle[aria-expanded="true"] .nav__bar:first-child {
  transform: translateY(3.25px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] .nav__bar:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

/* ------------------------------ hero ------------------------------ */
.hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(72px, 12vw, 132px) clamp(64px, 10vw, 112px);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(58% 78% at 12% 0%, var(--accent-soft), transparent 66%),
    radial-gradient(46% 62% at 96% 12%, var(--accent-soft), transparent 70%);
}
.hero__bg::after {
  /* Faint dot grid, fades out toward the bottom of the hero. */
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, var(--border-strong) 1px, transparent 0);
  background-size: 30px 30px;
  opacity: 0.42;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 82%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 82%);
}

.hero__inner { max-width: 800px; }

.hero__title {
  font-size: clamp(2.35rem, 6.2vw, 4.05rem);
  letter-spacing: -0.035em;
  line-height: 1.045;
  margin-bottom: 24px;
}

.hero__sub {
  font-size: clamp(1.03rem, 2vw, 1.2rem);
  color: var(--muted);
  max-width: 62ch;
  text-wrap: pretty;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.hero__note {
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--muted);
}

/* ------------------------------ sections ------------------------------ */
.section { padding-block: clamp(64px, 9vw, 108px); }

.section--alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}

.section__head {
  max-width: 660px;
  margin-bottom: clamp(38px, 5vw, 60px);
}

.section__title {
  font-size: clamp(1.8rem, 3.8vw, 2.6rem);
  letter-spacing: -0.03em;
}

.section__lede {
  margin-top: 16px;
  font-size: 1.03rem;
  color: var(--muted);
  max-width: 58ch;
  text-wrap: pretty;
}

/* ------------------------------ grids & cards ------------------------------ */
.grid {
  display: grid;
  gap: 18px;
}
.grid--services { grid-template-columns: repeat(4, 1fr); }
.grid--three    { grid-template-columns: repeat(3, 1fr); }

.card {
  position: relative;
  padding: 26px 24px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease),
              border-color 0.22s var(--ease);
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.card__num {
  display: block;
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 14px;
}

.card__title {
  font-size: 1.075rem;
  letter-spacing: -0.018em;
  margin-bottom: 10px;
}

.card__body {
  font-size: 0.935rem;
  color: var(--muted);
  text-wrap: pretty;
}

.card--cta {
  background: var(--accent-soft);
  border-color: transparent;
  display: flex;
  flex-direction: column;
}
.card--cta .card__body { color: var(--ink-soft); }

.card__link {
  margin-top: auto;
  padding-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.93rem;
  font-weight: 600;
}
.card__link span { transition: transform 0.18s var(--ease); }
.card__link:hover span { transform: translateX(3px); }

/* ------------------------------ steps ------------------------------ */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}

.step {
  position: relative;
  padding-top: 26px;
  border-top: 2px solid var(--border-strong);
}
.step::before {
  /* Accent tick that grows across the rule on hover. */
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 34px;
  height: 2px;
  background: var(--accent);
  transition: width 0.35s var(--ease);
}
.step:hover::before { width: 100%; }

.step__num {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 14px;
}

.step__title {
  font-size: 1.03rem;
  letter-spacing: -0.018em;
  margin-bottom: 8px;
}

.step__body p {
  font-size: 0.93rem;
  color: var(--muted);
  text-wrap: pretty;
}

.billing {
  margin-top: clamp(40px, 5vw, 58px);
  padding: 28px 30px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  max-width: 74ch;
}
.billing__title {
  font-size: 1.02rem;
  margin-bottom: 10px;
}
.billing p {
  font-size: 0.95rem;
  color: var(--muted);
  text-wrap: pretty;
}

/* ------------------------------ pillars ------------------------------ */
.pillar {
  padding: 28px 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.pillar__title {
  font-size: 1.04rem;
  letter-spacing: -0.018em;
  margin-bottom: 10px;
}
.pillar p {
  font-size: 0.94rem;
  color: var(--muted);
  text-wrap: pretty;
}

/* ------------------------------ inquiry / form ------------------------------ */
.inquiry {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  gap: clamp(36px, 6vw, 72px);
  align-items: start;
}

.inquiry__intro { position: sticky; top: 96px; }

.contact {
  margin: 32px 0 0;
  display: grid;
  gap: 2px;
}
.contact__row {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  align-items: baseline;
  padding-block: 11px;
  border-top: 1px solid var(--border);
}
.contact__row:last-child { border-bottom: 1px solid var(--border); }

.contact dt {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.contact__note {
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--muted);
}

.form {
  padding: clamp(24px, 3.5vw, 34px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 18px;
}
.field-row .field { margin-bottom: 18px; }

.field label {
  font-size: 0.855rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.req { color: var(--accent); }
.opt { font-weight: 450; color: var(--muted); }

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 11px 13px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--ink);
  transition: border-color 0.16s var(--ease), box-shadow 0.16s var(--ease),
              background-color 0.16s var(--ease);
}
.field textarea { resize: vertical; min-height: 118px; line-height: 1.6; }

.field select {
  appearance: none;
  /* Chevron drawn inline so the file stays asset-free. Uses --muted's hue. */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%23666e76' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  background-size: 11px;
  padding-right: 36px;
  cursor: pointer;
}

.field input::placeholder,
.field textarea::placeholder { color: var(--muted); opacity: 0.75; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  background: var(--surface);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field [aria-invalid="true"] { border-color: var(--danger); }
.field [aria-invalid="true"]:focus {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 16%, transparent);
}

.hint { font-size: 0.8rem; color: var(--muted); }
.err  { font-size: 0.8rem; color: var(--danger); font-weight: 500; }

/* Honeypot: visually removed but not display:none, which some bots skip. */
.hp {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.form__fine {
  margin-top: 14px;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

.form__status {
  margin-top: 16px;
  padding: 13px 15px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid;
}
.form__status[data-tone="ok"] {
  color: var(--success);
  border-color: color-mix(in srgb, var(--success) 35%, transparent);
  background: var(--accent-soft);
}
.form__status[data-tone="bad"] {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 35%, transparent);
  background: color-mix(in srgb, var(--danger) 8%, transparent);
}

/* ------------------------------ footer ------------------------------ */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding-top: clamp(48px, 6vw, 68px);
}

.footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) repeat(2, minmax(0, 1fr));
  gap: 36px;
  padding-bottom: 44px;
}

.footer__tag {
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 34ch;
}

.footer__h {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.footer__nav,
.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 9px;
  align-items: flex-start;
}
.footer__nav a,
.footer__contact a {
  font-size: 0.92rem;
  color: var(--ink-soft);
  overflow-wrap: anywhere;
}
.footer__nav a:hover,
.footer__contact a:hover { color: var(--accent); }

/* Non-link footer detail (location) sits alongside the email link. */
.footer__meta {
  font-size: 0.92rem;
  color: var(--muted);
}

.footer__legal {
  border-top: 1px solid var(--border);
  padding-block: 22px;
}
.footer__legal p {
  font-size: 0.83rem;
  color: var(--muted);
}

/* ------------------------------ responsive ------------------------------ */
@media (max-width: 1040px) {
  .grid--services { grid-template-columns: repeat(2, 1fr); }
  .steps          { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
}

@media (max-width: 880px) {
  .grid--three { grid-template-columns: 1fr; }

  .inquiry {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .inquiry__intro { position: static; }

  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 76px; }

  .nav__toggle { display: flex; }

  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px var(--gut) 20px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);

    /* Collapsed by default; .is-open reveals it. */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease),
                visibility 0.2s var(--ease);
  }
  .nav__links.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .nav__links > a:not(.btn) {
    padding-block: 11px;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }
  .nav__links > a:not(.btn)::after { display: none; }
  .nav__links .btn { margin-top: 12px; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }

  .grid--services { grid-template-columns: 1fr; }
  .steps          { grid-template-columns: 1fr; }
  .field-row      { grid-template-columns: 1fr; gap: 0; }

  .hero__cta .btn { width: 100%; }

  .contact__row { grid-template-columns: 78px 1fr; }

  .footer__inner { grid-template-columns: 1fr; gap: 30px; }
}

/* ------------------------------ motion & print ------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  /* Content must never depend on an animation that no longer runs. */
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .nav, .nav__toggle, .hero__bg, .form, .skip-link { display: none !important; }
  body { background: #fff; color: #000; }
  .reveal { opacity: 1; transform: none; }
}