/* ============================================================
   2Bdent — Main Stylesheet   (loads after tokens.css)
   ============================================================ */

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, picture, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul, ol { list-style: none; padding: 0; }
input, select, textarea, button { font: inherit; }

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

/* ---------- Typography ---------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: var(--fw-regular);   /* Prata ships one weight */
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-tight);
  color: var(--text);
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p { max-width: var(--container-text); }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--accent-text);   /* AA: 6.2:1 on canvas, 5.0:1 on beige */
  display: inline-block;
}

.lead {
  font-size: var(--fs-lead);
  line-height: 1.55;
  color: var(--text-muted);
}

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

.section { padding-block: var(--space-3xl); }
.section--flush-top { padding-top: calc(var(--header-h) + var(--space-3xl)); }
.section--tint { background: var(--bg-tint); }
.section--ink  { background: var(--bg-ink); color: var(--text-on-ink); }
.section--ink h1, .section--ink h2, .section--ink h3 { color: var(--text-on-ink); }
.section--ink .lead { color: var(--text-on-ink-muted); }

.prose { max-width: var(--container-text); }
.prose > * + * { margin-top: var(--space-md); }

/* The persistent left-hand hairline "spine" — layout signature device */
.spine {
  position: relative;
  padding-left: clamp(1.25rem, 4vw, 3rem);
}
.spine::before {
  content: "";
  position: absolute;
  left: 0; top: 0.35em; bottom: 0;
  width: 1px;
  background: var(--line);
}
.section--ink .spine::before { background: var(--line-on-ink); }

.skip-link {
  position: absolute;
  left: var(--space-md); top: -100%;
  z-index: var(--z-drawer);
  background: var(--color-ink);
  color: var(--text-on-ink);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: top var(--dur-fast) var(--ease-out);
}
.skip-link:focus { top: var(--space-md); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.02em;
  padding: 0.9em 1.7em;
  border-radius: var(--radius-pill);
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
/* Buttons never carry an accent fill.
   Light backgrounds → ink fill, bone text.  Dark backgrounds → bone fill, ink text. */
.btn--primary { background: var(--color-ink); color: var(--color-bone); }
.btn--primary:hover { background: var(--color-ink-soft); }

/* The hero and the care-ring section are now light, so .btn--primary keeps its
   ink fill everywhere — no per-context inversion is needed. Only genuinely
   ink-backed surfaces (should any return) flip to a bone fill. */
.section--ink .btn--primary { background: var(--color-bone); color: var(--color-ink); }
.section--ink .btn--primary:hover { background: var(--color-white); }

.btn--ghost { border: 1px solid currentColor; color: currentColor; }
.btn--ghost:hover { background: var(--color-ink); color: var(--color-bone); }
.section--ink .btn--ghost:hover { background: var(--color-bone); color: var(--color-ink); }

/* The site's ONLY oak-fill button — reserved for the final CTA on the homepage.
   Ink text on oak = 5.95:1 (AA); white would be 3.16:1 (fail). Hover darkens to
   oak-deep (ink still 5.44:1) with a small lift. */
.btn--cta { background: var(--color-oak); color: var(--color-ink); }
.btn--cta:hover { background: var(--color-oak-deep); transform: translateY(-2px); }
.btn--cta:active { transform: translateY(0); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  height: var(--header-h);
  display: flex;
  align-items: center;
  color: var(--text);          /* hero beneath is now light */
  background: transparent;
  transition: background var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out),
              height var(--dur-base) var(--ease-out);
}
.site-header .container { display: flex; align-items: center; gap: var(--space-lg); width: 100%; }

.site-header.is-solid,
body.has-solid-header .site-header {
  background: var(--bg);
  color: var(--text);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--line);
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: 0.01em;
  line-height: 1;
  margin-right: auto;
  display: inline-flex;
  align-items: baseline;
  /* Subtle depth on the light header / beige footer. A PER-TONE hairline stroke:
     "2B" in ink, "dent" in oak-deep (below) — never a single black stroke, which
     would muddy the oak. 0.3px keeps Prata's fine hairlines intact. */
  -webkit-text-stroke: 0.3px var(--color-ink);
}
.site-logo .logo-accent {
  color: var(--accent);
  -webkit-text-stroke: 0.3px var(--color-oak-deep);   /* stays in the oak family */
}

.site-nav { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2.1rem); }
.site-nav a {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  position: relative;
  padding-block: 0.25rem;
}
.site-nav a::after {
  content: "";
  position: absolute; left: 0; bottom: -1px;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}
.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }
.site-nav a[aria-current="page"] { color: var(--accent-text); }

.header-actions { display: flex; align-items: center; gap: var(--space-md); }

.header-phone {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  white-space: nowrap;
  display: inline-flex; align-items: center; gap: 0.45em;
}
.header-phone:hover { color: var(--accent-text); }

.lang-toggle {
  display: inline-flex; align-items: center; gap: 0.4em;
  font-size: var(--fs-small); font-weight: var(--fw-medium);
}
.lang-toggle a { opacity: 0.5; transition: opacity var(--dur-fast) var(--ease-out); }
.lang-toggle a:hover { opacity: 1; }
.lang-toggle a[aria-current="true"] { opacity: 1; color: var(--accent-text); font-weight: var(--fw-semibold); }
.lang-toggle .sep { opacity: 0.3; }

.burger {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; margin-left: var(--space-2xs);
}
.burger span {
  display: block; width: 24px; height: 1.5px;
  background: currentColor; border-radius: 2px;
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
body.nav-open .burger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
body.nav-open .burger span:nth-child(2) { opacity: 0; }
body.nav-open .burger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-backdrop {
  position: fixed; inset: 0; z-index: var(--z-backdrop);
  background: rgba(23, 19, 13, 0.45);
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur-base) var(--ease-out), visibility var(--dur-base);
}
body.nav-open .nav-backdrop { opacity: 1; visibility: visible; }

/* ============================================================
   HERO — typographic statement over ink (no stock smile)
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  color: var(--text);
  background: var(--bg);          /* light canvas — was ink */
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
/* Full opacity: no darkening overlay needed on the light canvas */
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__inner { position: relative; z-index: 1; padding-block: var(--space-4xl) var(--space-3xl); }
.hero h1 {
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display);
  max-width: 18ch;
  color: var(--text);
}
.hero .lead { color: var(--text-muted); margin-top: var(--space-lg); max-width: 44ch; }
.hero__actions { margin-top: var(--space-xl); display: flex; gap: var(--space-md); flex-wrap: wrap; }
.hero__scroll {
  position: absolute; left: var(--gutter); bottom: var(--space-lg);
  z-index: 1; font-size: var(--fs-eyebrow); letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase; color: var(--text-muted);
}
/* Slow, subtle downward bob on the arrow to signal scroll.
   The global prefers-reduced-motion block neutralises this automatically. */
.hero__scroll-arrow {
  display: inline-block;
  margin-left: 0.2em;
  animation: hero-scroll-bob 1.9s var(--ease-inout) infinite;
}
@keyframes hero-scroll-bob {
  0%, 100% { transform: translateY(0); opacity: 0.85; }
  50%      { transform: translateY(5px); opacity: 1; }
}

/* ============================================================
   SIGNATURE ELEMENT — "Кръгът на грижата" (coordinated-care mark)
   Seven equal peers on a ring, each joined to one shared center.
   Lines draw in on scroll (.is-drawn). Static for reduced-motion.
   ============================================================ */
.care {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}
.care-mark { width: 100%; max-width: 520px; margin-inline: auto; }
.care-mark svg { width: 100%; height: auto; overflow: visible; }

.care-mark .cm-spoke,
.care-mark .cm-ring {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}
.care-mark .cm-ring { stroke: var(--line); }
.care-mark .cm-node { fill: var(--bg); stroke: var(--accent); stroke-width: 1.25; }
.care-mark .cm-core { fill: var(--accent); }
.care-mark .cm-core-label {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.02em;
  fill: var(--text-muted);
  text-anchor: middle;
}
.section--ink .care-mark .cm-node { fill: var(--bg-ink); }
.section--ink .care-mark .cm-core-label { fill: var(--text-on-ink-muted); }
.section--ink .care-mark .cm-ring { stroke: var(--line-on-ink); }

/* draw-in animation (gated on html.js so the mark is complete without JS) */
.js .care-mark [data-draw] {
  stroke-dasharray: var(--len, 600);
  stroke-dashoffset: var(--len, 600);
}
.js .care-mark .cm-node, .js .care-mark .cm-core, .js .care-mark .cm-core-label { opacity: 0; }
.care-mark.is-drawn [data-draw] {
  transition: stroke-dashoffset var(--dur-draw) var(--ease-out);
  stroke-dashoffset: 0;
}
.care-mark.is-drawn .cm-node,
.care-mark.is-drawn .cm-core,
.care-mark.is-drawn .cm-core-label {
  transition: opacity var(--dur-base) var(--ease-out);
  transition-delay: calc(var(--dur-draw) * 0.55);
  opacity: 1;
}

/* ============================================================
   SPECIALTIES — peer spine (NOT numbered; equal, unordered)
   A single hairline threads through every specialty as a peer.
   ============================================================ */
.peers { border-top: 1px solid var(--line); margin-top: var(--space-xl); }
.peer {
  position: relative;
  padding-block: var(--space-lg);
  padding-left: var(--space-md);
  border-bottom: 1px solid var(--line);
}
/* Quiet hover marker: a small accent tick on the left. No layout shift,
   nothing floating in the right margin. */
.peer::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 6px; height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-out);
}
.peer:hover::before { opacity: 1; }
.peer__name {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  line-height: 1.15;
}
.peer__note {
  color: var(--text-muted);
  font-size: var(--fs-small);
  max-width: 62ch;
  margin-top: var(--space-2xs);
  line-height: 1.65;
}
/* Multi-paragraph descriptions (e.g. the services page) get a clear gap */
.peer__note + .peer__note { margin-top: var(--space-sm); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--bg-tint);      /* warm beige — grounds the page without going dark */
  color: var(--text);
  border-top: 1px solid var(--line);   /* clear separator from the section above */
  padding-block: var(--space-3xl) var(--space-xl);
}
.site-footer a { transition: color var(--dur-fast) var(--ease-out); }
.site-footer a:hover { color: var(--accent-text); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}
.footer-brand .site-logo { color: var(--text); font-size: 1.9rem; }
.footer-brand p { color: var(--text-muted); margin-top: var(--space-md); max-width: 34ch; }

.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--accent-text);
  margin-bottom: var(--space-md);
}
.footer-col address { font-style: normal; line-height: 1.9; color: var(--text-muted); }
.footer-col ul { line-height: 2; color: var(--text-muted); }

.footer-social { display: flex; gap: var(--space-md); margin-top: var(--space-md); }
.footer-social a {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--text);
}
.footer-social a:hover { border-color: var(--accent-text); color: var(--accent-text); }
.footer-social svg { width: 18px; height: 18px; }

.footer-bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: var(--fs-small);
  color: var(--text-muted);
}

/* Builder credit — dentaweb.bg trademark, in the display face, ink black */
.footer-credit {
  margin-top: var(--space-lg);
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.015em;
  color: var(--color-ink);
}
.footer-credit a {
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.footer-credit a:hover { color: var(--accent-text); border-color: var(--accent-text); }

/* ============================================================
   FLOATING MOBILE ACTIONS (WhatsApp + call) — mobile only
   ============================================================ */
.float-actions {
  display: none;
  position: fixed; right: var(--space-md); bottom: var(--space-md);
  z-index: var(--z-float);
  flex-direction: column; gap: var(--space-sm);
}
.float-btn {
  width: 54px; height: 54px; border-radius: var(--radius-pill);
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md); color: var(--color-white);
}
.float-btn svg { width: 26px; height: 26px; }
.float-btn--whatsapp { background: var(--color-ink); }
.float-btn--call { background: var(--color-ink); }

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}
.form { display: grid; gap: var(--space-lg); }
.field { display: grid; gap: var(--space-2xs); }
.field label {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.01em;
}
.field label .req { color: var(--accent-text); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.85em 1em;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--text);
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(185, 156, 116, 0.22);
}
.field textarea { min-height: 140px; resize: vertical; }
.field select { appearance: none; -webkit-appearance: none; cursor: pointer; }

/* Honeypot — visually and programmatically hidden from users */
.hp-field {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

.form__note { font-size: var(--fs-small); color: var(--text-muted); }

/* Map */
.map-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-tint);
}
.map-frame iframe { display: block; width: 100%; height: 100%; border: 0; }

/* ============================================================
   SCROLL REVEAL
   Hidden state is gated on html.js — so if JS never runs, all
   content stays fully visible (progressive enhancement).
   ============================================================ */
.js .reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  will-change: opacity, transform;
}
.js .reveal.is-visible { opacity: 1; transform: none; }
.js .reveal[data-reveal-delay="1"] { transition-delay: 90ms; }
.js .reveal[data-reveal-delay="2"] { transition-delay: 180ms; }
.js .reveal[data-reveal-delay="3"] { transition-delay: 270ms; }

/* ---------- Placeholder scaffolding (first pass only) ---------- */
.placeholder-box {
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  padding: var(--space-xl);
  color: var(--text-muted);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .care { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .care-mark { max-width: 400px; }
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  :root { --header-h: var(--header-h-mobile); }
  .site-header { height: var(--header-h-mobile); }

  .site-nav {
    position: fixed; top: 0; right: 0;
    height: 100dvh; width: min(82vw, 340px);
    z-index: var(--z-drawer);
    flex-direction: column; align-items: flex-start; justify-content: center;
    gap: var(--space-lg);
    padding: var(--space-3xl) var(--space-xl);
    background: var(--bg); color: var(--text);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--dur-base) var(--ease-out);
  }
  body.nav-open .site-nav { transform: translateX(0); }
  .site-nav a { font-size: 1.5rem; font-family: var(--font-display); }
  .site-nav a::after { display: none; }
  .burger { display: flex; }
  .header-phone { display: none; }
  .header-actions .btn { display: none; }
  .float-actions { display: flex; }

  .form { gap: var(--space-md); }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { width: 100%; }
}

/* ---------- Tighter vertical rhythm on phones/tablets ----------
   Desktop sections use 6rem (102px) top+bottom = 204px dead gap between
   sections, which reads as near-empty screens on small viewports. Step it
   down progressively. Desktop (>=769px) is unchanged. */
@media (max-width: 768px) {
  .section { padding-block: var(--space-2xl); }               /* 6rem -> 4rem */
  .section--flush-top { padding-top: calc(var(--header-h) + var(--space-lg)); }
  .site-footer { padding-block: var(--space-2xl) var(--space-lg); }
}
@media (max-width: 480px) {
  .section { padding-block: var(--space-xl); }                /* 4rem -> 2.5rem */
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .care-mark [data-draw] { stroke-dashoffset: 0; }
  .care-mark .cm-node, .care-mark .cm-core, .care-mark .cm-core-label { opacity: 1; }
}