/* ============================================================
   FORT DENTAL — base styles, brand components, animations
   Colors/type defined per the brand guidelines.
   (Tailwind utilities handle most layout; this file owns the
   brand lockup, buttons, motifs, and motion.)
   ============================================================ */

:root {
  --navy:      #15243F;
  --navy-700:  #1E3151;
  --champagne: #CBB27E;
  --champagne-light: #E0CEA3;
  --champagne-deep:  #7E6932;  /* AA-safe (4.79:1 on cream) for label text */
  --cream:     #F6F3EC;
  --cream-dark:#EDE8DC;
  --cream-deeper:#E4DCC9;
  --ink:       #0E1726;
  --ink-muted: #5A6373;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Base ---------- */
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--cream);
  color: var(--ink);
  font-family: 'Jost', system-ui, sans-serif;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, .font-display {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.01em;
}

::selection { background: var(--champagne); color: var(--navy); }

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

/* Slim brand scrollbar (desktop) */
@media (pointer: fine) {
  ::-webkit-scrollbar { width: 10px; }
  ::-webkit-scrollbar-track { background: var(--cream-dark); }
  ::-webkit-scrollbar-thumb { background: #c7cdd6; border-radius: 999px; border: 3px solid var(--cream-dark); }
  ::-webkit-scrollbar-thumb:hover { background: var(--champagne); }
}

/* ============================================================
   Brand lockup  —  FORT / DENTAL
   <a class="brand-lockup"> <span class="bl-word">FORT</span>
     <span class="bl-sub"><i></i>DENTAL<i></i></span> </a>
   Scale via font-size on .brand-lockup. Add .is-light on navy bg.
   ============================================================ */
.brand-lockup { display: inline-flex; flex-direction: column; align-items: center; line-height: 1; text-decoration: none; }
.brand-lockup .bl-word {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  font-size: 1em;
  letter-spacing: 0.13em;
  text-indent: 0.13em;             /* optical centering for tracking */
  color: var(--navy);
  line-height: 0.9;
}
.brand-lockup .bl-sub {
  display: flex; align-items: center; gap: 0.55em;
  margin-top: 0.30em;
  font-family: 'Jost', sans-serif;
  font-weight: 400;
  font-size: 0.30em;
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  color: var(--navy);
  white-space: nowrap;
}
.brand-lockup .bl-sub i { display: block; width: 1.6em; height: 1px; background: var(--champagne); }
.brand-lockup.is-light .bl-word { color: var(--cream); }
.brand-lockup.is-light .bl-sub { color: var(--champagne-light); }
.brand-lockup .bl-word, .brand-lockup .bl-sub { transition: color .3s var(--ease); }

/* The "F" avatar mark in a champagne square */
.f-mark {
  display: inline-grid; place-items: center;
  font-family: 'Cormorant Garamond', serif; font-weight: 600;
  border: 1px solid var(--champagne); color: var(--navy);
  aspect-ratio: 1; line-height: 1;
}
.f-mark.is-light { color: var(--cream); }

/* ============================================================
   Eyebrow / section label  (letterspaced caps + champagne rule)
   ============================================================ */
.eyebrow {
  display: inline-flex; align-items: center; gap: .85rem;
  font-family: 'Jost', sans-serif; font-weight: 500;
  font-size: .72rem; letter-spacing: .32em; text-transform: uppercase;
  color: var(--champagne-deep);
}
.eyebrow.on-navy { color: var(--champagne); }
.eyebrow .rule { display: inline-block; width: 2.2rem; height: 1px; background: var(--champagne); opacity: .9; }

/* Thin champagne divider */
.rule-gold { height: 1px; background: linear-gradient(90deg, transparent, var(--champagne), transparent); }

/* Big serif section numeral */
.section-no { font-family: 'Cormorant Garamond', serif; font-weight: 500; color: var(--champagne); line-height: 1; }
.section-no.is-deep { color: var(--champagne-deep); }  /* readable on light backgrounds */

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  min-height: 52px; padding: 0 1.7rem;
  font-family: 'Jost', sans-serif; font-weight: 500; font-size: .78rem;
  letter-spacing: .18em; text-transform: uppercase; text-decoration: none;
  border: 1px solid transparent; border-radius: 2px; cursor: pointer;
  transition: background-color .35s var(--ease), color .35s var(--ease),
              border-color .35s var(--ease), box-shadow .35s var(--ease),
              transform .35s var(--ease);
  will-change: transform;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--navy); color: var(--cream); }
.btn-primary:hover { background: var(--navy-700); box-shadow: 0 18px 40px -18px rgba(21,36,63,.6); }

.btn-gold { background: var(--champagne); color: var(--navy); }
.btn-gold:hover { background: var(--champagne-light); box-shadow: 0 18px 40px -18px rgba(203,178,126,.7); }

.btn-outline { background: transparent; color: var(--navy); border-color: rgba(21,36,63,.35); }
.btn-outline:hover { background: var(--navy); color: var(--cream); border-color: var(--navy); }

.btn-outline-light { background: transparent; color: var(--cream); border-color: rgba(203,178,126,.55); }
.btn-outline-light:hover { background: var(--champagne); color: var(--navy); border-color: var(--champagne); }

/* Quiet text link with champagne underline grow */
.link-gold { position: relative; color: var(--navy); text-decoration: none; font-weight: 500; }
.link-gold::after { content:""; position:absolute; left:0; bottom:-3px; height:1px; width:100%; background:var(--champagne); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.link-gold:hover::after { transform: scaleX(1); }

/* ============================================================
   Cards
   ============================================================ */
.card {
  background: #fff; border: 1px solid var(--cream-deeper); border-radius: 4px;
  box-shadow: 0 16px 48px -30px rgba(14,23,38,.30);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .5s var(--ease);
}
.card-hover:hover { transform: translateY(-6px); box-shadow: 0 34px 70px -34px rgba(14,23,38,.45); border-color: var(--champagne); }

/* Navy card (reversed) */
.card-navy { background: var(--navy); color: var(--cream); border: 1px solid rgba(203,178,126,.22); }

/* Photo placeholder — on-brand, clearly swappable */
.photo-ph {
  position: relative; overflow: hidden; border-radius: 4px;
  background:
    radial-gradient(120% 90% at 20% 0%, rgba(203,178,126,.18), transparent 60%),
    linear-gradient(160deg, #1B2E4F 0%, #15243F 55%, #0F1B30 100%);
  color: var(--champagne-light);
}
.photo-ph::after {
  content: attr(data-label);
  position: absolute; inset: auto 0 0 0; padding: .7rem 1rem;
  font-family:'Jost',sans-serif; font-size: .62rem; letter-spacing:.28em; text-transform:uppercase;
  color: var(--champagne); background: linear-gradient(180deg, transparent, rgba(14,23,38,.55));
}
.photo-ph.is-cream { background:
    radial-gradient(120% 90% at 80% 0%, rgba(203,178,126,.35), transparent 60%),
    linear-gradient(160deg, #FBF8F1 0%, #EDE8DC 60%, #E4DCC9 100%);
  color: var(--navy); }
.photo-ph.is-cream::after { color: var(--champagne-deep); background: linear-gradient(180deg, transparent, rgba(228,220,201,.7)); }

/* ============================================================
   Header / nav
   ============================================================ */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background-color .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease), padding .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(246,243,236,.88);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom-color: rgba(203,178,126,.45);
  box-shadow: 0 10px 30px -22px rgba(14,23,38,.5);
}
.nav-link {
  position: relative; font-family:'Jost',sans-serif; font-weight: 400;
  font-size: .82rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--navy); text-decoration: none; padding: .35rem 0; transition: color .3s var(--ease);
}
.nav-link::after { content:""; position:absolute; left:0; right:0; bottom:-2px; height:1px; background: var(--champagne); transform: scaleX(0); transform-origin:center; transition: transform .4s var(--ease); }
.nav-link:hover { color: var(--champagne-deep); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--navy); }

/* Mobile nav panel */
.mobile-nav { transition: opacity .35s var(--ease), visibility .35s var(--ease); }
.mobile-nav[hidden] { display: block; opacity: 0; visibility: hidden; pointer-events: none; }
.mobile-nav .m-link {
  font-family:'Cormorant Garamond',serif; font-size: 2rem; font-weight: 500; color: var(--cream);
  text-decoration: none; transition: color .3s var(--ease), padding-left .3s var(--ease);
}
.mobile-nav .m-link:hover, .mobile-nav .m-link.active { color: var(--champagne); padding-left: .4rem; }

/* burger lines */
.burger span { display:block; width: 26px; height: 1.5px; background: var(--navy); transition: transform .35s var(--ease), opacity .25s var(--ease); }
.burger.open span:nth-child(1){ transform: translateY(6px) rotate(45deg); }
.burger.open span:nth-child(2){ opacity: 0; }
.burger.open span:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }

/* mobile sticky call/book bar */
.mobile-bar { box-shadow: 0 -10px 30px -18px rgba(14,23,38,.6); }

/* ============================================================
   Hero decorative art (pure CSS, always renders)
   ============================================================ */
.hero-grid {
  background-image:
    linear-gradient(to right, rgba(21,36,63,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(21,36,63,.05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(80% 70% at 50% 30%, #000, transparent 75%);
  mask-image: radial-gradient(80% 70% at 50% 30%, #000, transparent 75%);
}
.orb { position: absolute; border-radius: 999px; filter: blur(40px); opacity: .5; pointer-events: none; }

/* Signature 3 — slow champagne sheen sweeps the hero logo once on load */
@keyframes sheen { 0% { transform: translateX(-160%) skewX(-18deg); } 100% { transform: translateX(320%) skewX(-18deg); } }
.logo-sheen { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.logo-sheen::after {
  content: ""; position: absolute; top: -10%; bottom: -10%; left: 0; width: 32%;
  background: linear-gradient(90deg, transparent, rgba(203,178,126,.30), transparent);
  transform: translateX(-160%) skewX(-18deg);
  animation: sheen 3.4s cubic-bezier(.4,0,.2,1) 1.4s 1 both;
}

/* ============================================================
   Animations
   ============================================================ */
@keyframes floaty { 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-14px); } }
.float-slow { animation: floaty 8s ease-in-out infinite; }
.float-med  { animation: floaty 6s ease-in-out infinite; }

@keyframes floatyX { 0%,100%{ transform: translate(0,0);} 50%{ transform: translate(10px,-10px);} }
.float-x { animation: floatyX 9s ease-in-out infinite; }

@keyframes marquee { from { transform: translateX(0);} to { transform: translateX(-50%);} }
.marquee-track { display: flex; width: max-content; animation: marquee 32s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }

@keyframes pulseRing { 0%{ box-shadow: 0 0 0 0 rgba(203,178,126,.45);} 100%{ box-shadow: 0 0 0 18px rgba(203,178,126,0);} }
.pulse-ring { animation: pulseRing 2.4s ease-out infinite; }

/* Scroll reveal — subtle by default ("whisper, not slide") */
[data-animate] {
  opacity: 0; transform: translateY(16px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: var(--delay, 0ms);
  will-change: opacity, transform;
}
[data-animate="left"]  { transform: translateX(-26px); }
[data-animate="right"] { transform: translateX(26px); }
[data-animate="scale"] { transform: scale(.965); }
[data-animate="fade"]  { transform: none; }
[data-animate].in { opacity: 1; transform: none; }

/* Signature 1 — clip-path image reveal (bottom-up wipe, not a fade) */
[data-animate="clip"] {
  opacity: 1; transform: none;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.05s var(--ease);
  transition-delay: var(--delay, 0ms);
}
[data-animate="clip"].in { clip-path: inset(0 0 0 0); }

/* Signature 2 — champagne hairline draws itself in when its block reveals */
.eyebrow .rule, .rule-gold.draw { transform: scaleX(0); transform-origin: left; transition: transform .85s var(--ease) .18s; }
.in .eyebrow .rule, .eyebrow.in .rule, .in .rule-gold.draw { transform: scaleX(1); }

/* Headline word-by-word rise */
.reveal-words .w { display: inline-block; overflow: hidden; vertical-align: top; }
.reveal-words .w > span { display: inline-block; transform: translateY(110%); transition: transform .9s var(--ease); transition-delay: var(--wd, 0ms); }
.reveal-words.in .w > span { transform: translateY(0); }

/* ============================================================
   Before / after slider (smile gallery)
   ============================================================ */
.ba { position: relative; overflow: hidden; border-radius: 4px; user-select: none; touch-action: pan-y; }
.ba__after { position: absolute; inset: 0; width: 100%; clip-path: inset(0 0 0 50%); }
.ba__range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; z-index: 3; }
.ba__divider { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: var(--champagne); transform: translateX(-1px); z-index: 2; pointer-events: none; }
.ba__handle { position: absolute; top: 50%; left: 50%; width: 46px; height: 46px; transform: translate(-50%,-50%); border-radius: 999px; background: var(--cream); border: 1px solid var(--champagne); display: grid; place-items: center; z-index: 2; pointer-events: none; box-shadow: 0 10px 24px -10px rgba(14,23,38,.6); }
.ba__tag { position: absolute; top: 1rem; font-family:'Jost'; font-size:.62rem; letter-spacing:.24em; text-transform:uppercase; padding:.3rem .6rem; background: rgba(14,23,38,.6); color: var(--cream); z-index: 2; pointer-events: none; }

/* ============================================================
   Accordion (FAQ)
   ============================================================ */
.acc__item { border-bottom: 1px solid var(--cream-deeper); }
.acc__btn { cursor: pointer; }
.acc__icon { transition: transform .4s var(--ease); }
.acc__item.open .acc__icon { transform: rotate(45deg); }
.acc__panel { max-height: 0; overflow: hidden; transition: max-height .5s var(--ease); }

/* ============================================================
   Forms
   ============================================================ */
.field {
  width: 100%; background: #fff; border: 1px solid var(--cream-deeper);
  border-radius: 3px; padding: .85rem 1rem; font-family:'Jost',sans-serif; font-size: 1rem; color: var(--ink);
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.field::placeholder { color: #9aa1ac; }
.field:focus { outline: none; border-color: var(--champagne); box-shadow: 0 0 0 3px rgba(203,178,126,.25); }
.field-label { font-family:'Jost'; font-size:.72rem; letter-spacing:.16em; text-transform:uppercase; color: var(--ink-muted); margin-bottom:.4rem; display:block; }

/* ============================================================
   Reduced motion — disable all motion, reveal content
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  [data-animate] { opacity: 1 !important; transform: none !important; }
  [data-animate="clip"] { clip-path: none !important; }
  .reveal-words .w > span { transform: none !important; }
  .eyebrow .rule, .rule-gold.draw { transform: none !important; }
  .float-slow, .float-med, .float-x, .marquee-track, .pulse-ring { animation: none !important; }
  .logo-sheen::after { animation: none !important; opacity: 0 !important; }
}