/* ============================================================
   Webstrail — marketing website UI kit
   Layout + section styling. Built on the design-system tokens
   (styles.css). Visual language mirrors the React primitives
   (ws-btn / ws-card / ws-badge / ws-sig …).
   ============================================================ */

/* ---------- shared layout ---------- */
.site {color: var(--body); background: var(--canvas); overflow-x: hidden; }
.wrap {width: 100%; max-width: var(--content-max); margin-inline: auto; padding-inline: var(--page-gutter); }
.section {padding-block: var(--section-y); }
.eyebrow {display: inline-flex; align-items: center; gap: .6em;
  font: var(--text-eyebrow); letter-spacing: var(--track-eyebrow);
  text-transform: uppercase; color: var(--coral-deep); margin: 0; }
.eyebrow::before {content: ""; width: 1.8em; height: 1px; background: currentColor; opacity: .55; }
.eyebrow--azure {color: var(--azure-deep); }
.eyebrow--ondark {color: var(--amber); }
.eyebrow--center {justify-content: center; }
.grad-text {color: var(--coral); }
.section-head {max-width: 60ch; }
.section-head h2 {font: var(--text-display-lg); font-size: var(--size-display-lg); color: var(--ink); letter-spacing: var(--track-display); margin: var(--space-4) 0 var(--space-3); }
.section-head p {font: var(--text-body-lg); color: var(--body); max-width: 52ch; }
.center {text-align: center; margin-inline: auto; }
.center .eyebrow {justify-content: center; }
/* ---------- buttons (mirror of ws-btn) ---------- */
.btn {--_bg: var(--ink); --_fg: var(--on-dark); --_bd: transparent; --_bgh: #000;
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  font: var(--text-button); white-space: nowrap; cursor: pointer;
  border: 1px solid var(--_bd); border-radius: var(--radius-pill);
  background: var(--_bg); color: var(--_fg); padding: .85em 1.4em; text-decoration: none;
  transition: var(--t-colors), transform var(--dur-fast) var(--ease-spring), box-shadow var(--dur-base) var(--ease-out); }
.btn:hover {background: var(--_bgh); color: var(--_fg); }
.btn:active {transform: translateY(1px) scale(.99); }
.btn .ic {width: 1.1em; height: 1.1em; }
.btn--brand {--_bg: var(--coral); --_fg: #fff; --_bgh: var(--coral-deep); }
.btn--brand:hover {box-shadow: var(--glow-coral); }
.btn--azure {--_bg: var(--azure); --_fg: #fff; --_bgh: var(--azure-deep); }
.btn--azure:hover {box-shadow: var(--glow-azure); }
.btn--secondary {--_bg: var(--canvas); --_fg: var(--ink); --_bd: var(--hairline-strong); --_bgh: var(--surface-1); }
.btn--ghost {--_bg: transparent; --_fg: var(--ink); --_bgh: color-mix(in srgb, var(--ink) 7%, transparent); }
.btn--ondark {--_bg: var(--canvas); --_fg: var(--ink); --_bgh: #fff; }
.btn--lg {padding: 1.02em 1.7em; font-size: 1rem; }
.btn--block {display: flex; width: 100%; }
/* ---------- nav ---------- */
.nav {position: fixed; inset: 0 0 auto 0; z-index: 60; height: 62px;
  display: flex; align-items: center; background: transparent;
  transition: background var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), transform .38s var(--ease-out);
  border-bottom: 1px solid transparent; }
/* solid white once scrolled — no glass, no border, no shadow */
.nav.is-stuck {background: var(--canvas); -webkit-backdrop-filter: none; backdrop-filter: none; border-bottom: 1px solid transparent; box-shadow: none; }
.nav.is-hidden {transform: translateY(-100%); }
.nav__row {display: flex; align-items: center; justify-content: space-between; width: 100%; gap: var(--space-5); }
.nav__left {display: flex; align-items: center; gap: clamp(26px, 3vw, 48px); min-width: 0; }
.nav__brand {display: flex; align-items: center; gap: .6em; }
.nav__brand img {height: 30px; width: auto; }
.nav__links {display: flex; align-items: center; gap: var(--space-6); }
.nav__links a {font: var(--text-label); color: var(--ink-soft); }
.nav__links a:hover {color: var(--coral-deep); }
.nav__faq {font: var(--text-label); color: var(--ink-soft); white-space: nowrap; }
.nav__faq:hover {color: var(--coral-deep); }
.nav__cta {display: flex; align-items: center; gap: var(--space-5); }
.nav__burger {display: none; background: none; border: 0; cursor: pointer; padding: 8px; color: var(--ink); }
.nav__burger .ic {width: 26px; height: 26px; }
.mobile-menu {position: fixed; inset: 0; z-index: 55; background: var(--canvas); padding: 96px var(--page-gutter) var(--space-7); display: none; flex-direction: column; gap: var(--space-3); }
.mobile-menu.is-open {display: flex; }
.mobile-menu a {font: var(--text-title-md); color: var(--ink); padding: var(--space-3) 0; border-bottom: 1px solid var(--hairline); }
/* ---------- hero ---------- */
.hero {position: relative; padding-top: 132px; padding-bottom: var(--space-9); overflow: hidden; }
.hero::before {content: ""; position: absolute; inset: 0; background: var(--wash-warm); pointer-events: none; z-index: 0; }
.hero__inner {position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--space-8); align-items: center; }
.hero h1 {font: var(--text-display-2xl); font-size: var(--size-display-2xl); color: var(--ink); letter-spacing: var(--track-display); margin: var(--space-5) 0 var(--space-5); max-width: 16ch; }
.hero__lede {font: var(--text-body-lg); color: var(--body); max-width: 46ch; }
.hero__cta {display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }
.hero__proof {margin-top: var(--space-6); font: var(--text-caption); color: var(--muted); display: flex; align-items: center; gap: .6em; flex-wrap: wrap; }
.hero__proof b {color: var(--ink-soft); font-weight: var(--w-semibold); }
/* product mock (faux dental dashboard) */
.mock {position: relative; }
.mock__glow {position: absolute; inset: -8% -6% -10% -6%; background: var(--coral); filter: blur(70px); opacity: .16; border-radius: 50%; z-index: 0; }
.mock__win {position: relative; z-index: 1; background: var(--canvas); border-radius: var(--radius-xl); box-shadow: var(--shadow-xl), var(--ring-hairline); overflow: hidden; }
.mock__bar {display: flex; align-items: center; gap: .5em; padding: 12px 16px; border-bottom: 1px solid var(--hairline); background: var(--surface-1); }
.mock__dot {width: 10px; height: 10px; border-radius: 50%; background: var(--hairline-strong); }
.mock__dot--c {background: var(--coral); }
.mock__dot--a {background: var(--amber); }
.mock__dot--s {background: var(--sky); }
/* ---------- proof / clients ---------- */
.proof {border-block: 1px solid var(--hairline); background: var(--surface-1); }
.proof__label {font: var(--text-caption); color: var(--muted); max-width: 16ch; }
.sigband__stat {border-top: 1px solid rgba(255,255,255,.28); padding-top: var(--space-3); }
.sigband__stat .n {font: var(--text-display-md); color: #fff; font-variant-numeric: tabular-nums; }
.sigband__stat .l {font: var(--text-body-sm); color: rgba(255,255,255,.85); }
.chip {font: var(--text-caption); white-space: nowrap; color: var(--muted); padding: .45em .9em; border-radius: var(--radius-pill); background: var(--surface-1); box-shadow: inset 0 0 0 1px var(--hairline); cursor: pointer; transition: var(--t-colors); }
.chip:hover {color: var(--ink); }
.chip.is-active {color: var(--azure-deep); background: var(--azure-soft); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--azure) 30%, transparent); }
.case {display: flex; flex-direction: column; background: var(--canvas); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--ring-hairline), var(--shadow-sm); transition: var(--t-lift); text-decoration: none; }
.case:hover {transform: translateY(-5px); box-shadow: var(--ring-hairline), var(--shadow-lg); }
.case p {font: var(--text-body-md); color: var(--body); }
.tag {font: var(--text-caption); color: var(--muted); padding: .3em .6em; border-radius: var(--radius-sm); background: var(--surface-1); box-shadow: inset 0 0 0 1px var(--hairline); }
.badge {display: inline-flex; align-items: center; gap: .5em; font: var(--text-caption); border-radius: var(--radius-pill); padding: .3em .7em; line-height: 1; }
.badge::before {content: ""; width: .45em; height: .45em; border-radius: 50%; background: currentColor; }
/* ---------- approach ---------- */
.approach {background: var(--ink-surface); color: var(--on-dark); }
.approach h2, .approach h3 {color: #fff; }
.approach .section-head p {color: var(--on-dark-muted); }
.steps {display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gutter); margin-top: var(--space-7); counter-reset: step; }
.step {background: var(--ink-surface-2); border: 1px solid var(--hairline-dark); border-radius: var(--radius-lg); padding: var(--card-pad); display: flex; flex-direction: column; gap: var(--space-3); }
.step__n {font: var(--text-caption); font-weight: var(--w-semibold); color: var(--amber); }
.step h3 {font: var(--text-title-md); font-family: var(--font-sans); margin: 0; }
.step p {font: var(--text-body-md); color: var(--on-dark-muted); }
.step__tag {align-self: flex-start; font: var(--text-mono-sm); color: var(--on-dark-muted); border: 1px solid var(--hairline-dark); border-radius: var(--radius-pill); padding: .3em .7em; }
/* ---------- testimonial ---------- */
.quote {max-width: 48ch; margin-inline: auto; text-align: center; }
.quote blockquote {font: var(--text-display-md); font-weight: var(--w-regular); color: var(--ink); margin: var(--space-5) 0; letter-spacing: var(--track-display); text-wrap: balance; }
/* ---------- CTA ---------- */
.cta {background: var(--surface-1); border-top: 1px solid var(--hairline); }
.cta h2 {font: var(--text-display-lg); font-size: var(--size-display-lg); color: var(--ink); letter-spacing: var(--track-display); margin: var(--space-4) 0 var(--space-3); max-width: 16ch; }
.cta p {font: var(--text-body-lg); color: var(--body); max-width: 42ch; }
.form {background: var(--canvas); border-radius: var(--radius-xl); padding: var(--card-pad-lg); box-shadow: var(--shadow-lg), var(--ring-hairline); display: flex; flex-direction: column; gap: var(--space-4); }
.field {display: flex; flex-direction: column; gap: .4rem; }
.field label {font: var(--text-label); color: var(--ink-soft); }
.field input, .field textarea {width: 100%; font: var(--text-body-md); color: var(--ink); background: var(--canvas); border: 1px solid var(--hairline-strong); border-radius: var(--radius-md); padding: .7rem .9rem; transition: var(--t-colors), box-shadow var(--dur-fast); }
.field input::placeholder, .field textarea::placeholder {color: var(--faint); }
.field input:focus, .field textarea:focus {outline: none; border-color: var(--azure); box-shadow: var(--focus-ring); }
.field textarea {resize: vertical; min-height: 88px; }
.form__two {display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form__ok {text-align: center; padding: var(--space-6) 0; }
.form__ok .ic {width: 44px; height: 44px; color: var(--success); margin: 0 auto var(--space-3); }
.form__ok h3 {font: var(--text-title-lg); font-family: var(--font-sans); color: var(--ink); }
/* ---------- footer ---------- */
.footer {background: var(--ink-surface); color: var(--on-dark-muted); padding-block: var(--space-8) var(--space-6); }
.footer__grid {display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: var(--space-6); }
.footer__brand img {height: 30px; margin-bottom: var(--space-4); filter: brightness(0) invert(1); opacity: .92; }
.footer__brand p {font: var(--text-body-sm); color: var(--on-dark-muted); max-width: 30ch; }
.footer__brand .tagline {font-family: var(--font-display); color: #fff; font-size: 1rem; margin-top: var(--space-3); }
.footer h4 {font: var(--text-eyebrow); letter-spacing: var(--track-eyebrow); text-transform: uppercase; color: var(--on-dark-muted); margin: 0 0 var(--space-4); }
.footer ul {list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer a {font: var(--text-body-sm); color: var(--on-dark); opacity: .85; }
.footer a:hover {opacity: 1; color: var(--amber); }
.footer__bottom {display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; margin-top: var(--space-7); padding-top: var(--space-5); border-top: 1px solid var(--hairline-dark); }
.footer__bottom span {font: var(--text-caption); color: var(--on-dark-muted); }
/* ---------- reveal animation ---------- */
.reveal {opacity: 0; transform: translateY(24px); transition: opacity .85s var(--ease-out), transform .85s var(--ease-out); }
.reveal.is-in {opacity: 1; transform: none; }
.reveal-d1 {transition-delay: .10s; }
.reveal-d2 {transition-delay: .20s; }
.reveal-d3 {transition-delay: .30s; }
/* ---------- responsive ---------- */
@media (max-width: 1000px) {.hero__inner { grid-template-columns: 1fr; gap: var(--space-7); }
  .mock { max-width: 560px; }
  .sigband__grid { grid-template-columns: 1fr; }
  .cta__grid { grid-template-columns: 1fr; } }
@media (max-width: 760px) {
.nav__links, .nav__cta .btn, .nav__faq {display: none; }
.nav__burger {display: inline-flex; }
.steps {grid-template-columns: 1fr; }
.footer__grid {grid-template-columns: 1fr 1fr; }
.form__two {grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
.reveal {opacity: 1; transform: none; }
}
/* ===== Footer additions: socials, partner logos, legal links ===== */
.footer__social {display: flex; gap: 12px; margin-top: 18px; }
.footer__social a {width: 34px; height: 34px; border-radius: 7px; display: grid; place-items: center; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.13); color: #cdd5e0; transition: background .2s, color .2s, border-color .2s; }
.footer__social a:hover {background: var(--azure); border-color: var(--azure); color: #fff; }
.footer__social svg {width: 17px; height: 17px; }
.footer__legal {display: flex; gap: 20px; flex-wrap: wrap; }
.footer__legal a {color: #9aa4b2; font-size: .85rem; text-decoration: none; }
.footer__legal a:hover {color: #fff; }
/* mobile-menu CTA must keep its button text colour (menu's link colour was overriding it) */
.mobile-menu a.btn {color: var(--_fg, #fff); }
.mobile-menu a.btn--brand {color: #fff; }
/* ===== Smooth, high-end page-load fade-in (site-wide) =====
   Opacity-only so the fixed navbar stays fixed; honours reduced-motion. */
/* page no longer fades in as a whole — each section fades in (and out) on scroll instead, via reveal.js */