/* ============================================================
   main.css - reset, base, layout, hero, sections
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, iframe { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }

::selection { background: var(--color-clay); color: var(--color-porcelain); }

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-ink);
  color: var(--color-porcelain);
  padding: 0.7rem 1.2rem;
  z-index: 200;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

/* ---- Typography primitives ---- */
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: var(--leading-snug); letter-spacing: var(--tracking-tight); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-soft);
  font-weight: 600;
}
.eyebrow__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--color-clay);
  box-shadow: 0 0 0 4px var(--color-clay-tint);
}

.section__label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-clay-deep);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}
.section__title {
  font-size: var(--text-2xl);
  max-width: 18ch;
}

/* ---- Layout ---- */
.section {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block: var(--space-section);
}
.section__head { max-width: 42ch; margin-bottom: var(--space-lg); }

/* ============ NAV ============ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background var(--dur) var(--ease-out-soft),
              box-shadow var(--dur) var(--ease-out-soft),
              backdrop-filter var(--dur);
}
.nav__inner {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 1.1rem var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.nav.is-stuck {
  background: oklch(98% 0.006 75 / 0.82);
  backdrop-filter: blur(16px) saturate(1.3);
  box-shadow: 0 1px 0 var(--color-line-soft);
}

.brand { display: inline-flex; align-items: center; gap: 0.7rem; color: var(--color-clay-deep); }
.brand__mark { flex: none; transition: transform var(--dur) var(--ease-out-expo); }
.brand:hover .brand__mark { transform: rotate(-8deg); }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name { font-family: var(--font-display); font-size: 1.06rem; color: var(--text); letter-spacing: -0.01em; }
.brand__sub { font-size: 0.66rem; letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--text-soft); }

.nav__links { margin-left: auto; display: flex; gap: var(--space-md); }
.nav__links a {
  font-size: var(--text-sm); font-weight: 500; color: var(--text-soft);
  position: relative; padding-block: 0.3rem;
  transition: color var(--dur-fast);
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1.5px; width: 0;
  background: var(--color-clay); transition: width var(--dur) var(--ease-out-expo);
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { width: 100%; }

.nav__cta { margin-left: var(--space-xs); }
.nav__burger { display: none; }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  text-align: center;
  align-content: center;
  gap: var(--space-md);
  padding: clamp(8rem, 16vh, 11rem) var(--gutter) var(--space-xl);
  max-width: var(--maxw);
  margin-inline: auto;
  overflow: clip;
}
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__mesh {
  position: absolute; inset: -20%;
  background:
    radial-gradient(40% 50% at 78% 18%, var(--color-clay-tint) 0%, transparent 60%),
    radial-gradient(45% 55% at 12% 75%, var(--color-sage-tint) 0%, transparent 55%),
    radial-gradient(60% 60% at 60% 90%, var(--color-shell) 0%, transparent 60%);
  filter: blur(10px);
  animation: meshDrift 22s var(--ease-out-soft) infinite alternate;
}
@keyframes meshDrift {
  from { transform: translate3d(-2%, -1%, 0) scale(1); }
  to   { transform: translate3d(3%, 2%, 0) scale(1.08); }
}
.hero__grain {
  position: absolute; inset: 0; opacity: 0.4; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

.hero__inner { max-width: 64ch; }
.hero__title {
  font-size: var(--text-hero);
  line-height: var(--leading-tight);
  letter-spacing: -0.035em;
  margin: var(--space-sm) 0 var(--space-md);
}
.hero__title span { display: block; }
.hero__title--accent { color: var(--color-clay-deep); }
.hero__title--accent em { font-style: italic; font-weight: 300; }

.hero__lead {
  font-size: var(--text-lg);
  color: var(--text-soft);
  max-width: 50ch;
  line-height: 1.5;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-top: var(--space-md); }

.hero__chips {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
  margin-top: var(--space-lg);
}
.hero__chips li {
  font-size: var(--text-xs); letter-spacing: 0.04em;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  color: var(--text-soft);
  background: oklch(99% 0.004 80 / 0.5);
  backdrop-filter: blur(4px);
}

.hero__media {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: grid;
  place-items: center;
  background:
    radial-gradient(60% 60% at 50% 42%, oklch(52% 0.13 215) 0%, oklch(34% 0.1 230) 55%, oklch(24% 0.07 235) 100%);
}
/* custom "lens / clarity" visual */
.hero__lens { width: 78%; height: auto; }
.hero__lens .ring { fill: none; stroke: oklch(96% 0.03 200 / 0.55); }
.hero__lens .ring--2 { stroke: oklch(96% 0.03 200 / 0.3); }
.hero__lens .ring--3 { stroke: oklch(96% 0.03 200 / 0.16); }
.hero__lens .iris { fill: url(#irisGrad); }
.hero__lens .pupil { fill: oklch(18% 0.04 240); }
.hero__lens .glint { fill: oklch(99% 0.01 200 / 0.9); }
.hero__lens .scan { stroke: oklch(90% 0.08 195 / 0.85); stroke-width: 2; transform-origin: center; animation: scanSpin 14s linear infinite; }
@keyframes scanSpin { to { transform: rotate(360deg); } }
.hero__media::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.22'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}
.hero__card {
  position: absolute;
  left: clamp(0.8rem, 2vw, 1.4rem);
  bottom: clamp(0.8rem, 2vw, 1.4rem);
  z-index: 2;
  max-width: 270px;
  background: oklch(99% 0.004 220 / 0.92);
  backdrop-filter: blur(10px);
  border: 1px solid oklch(100% 0 0 / 0.5);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  box-shadow: var(--shadow-lg);
}
.hero__rating { display: flex; align-items: baseline; gap: 0.5rem; margin-bottom: 0.6rem; }
.hero__rating strong { font-family: var(--font-display); font-size: 1.5rem; }
.hero__card p { font-size: var(--text-sm); line-height: 1.45; color: var(--text); font-style: italic; }
.hero__card-meta { display: block; margin-top: 0.7rem; font-size: var(--text-xs); color: var(--text-soft); letter-spacing: 0.04em; }
.stars { color: var(--color-clay); letter-spacing: 0.12em; font-size: 0.95rem; }

/* centered hero overrides (Doci) */
.hero__inner { max-width: 56ch; }
.hero__actions, .hero__chips { justify-content: center; }
.hero__media { width: min(360px, 86%); aspect-ratio: 4 / 5; margin-top: var(--space-xs); }

/* real portrait */
.doctor__portrait { position: relative; }
.doctor__photo { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); display: block; }
.doctor__badge {
  position: absolute; left: 50%; transform: translateX(-50%); bottom: 2.6rem;
  background: oklch(99% 0.004 220 / 0.92); backdrop-filter: blur(8px);
  border: 1px solid var(--color-line-soft); border-radius: var(--radius-pill);
  padding: 0.5rem 1rem; font-size: var(--text-xs); font-weight: 600; color: var(--color-clay-deep);
  box-shadow: var(--shadow); white-space: nowrap;
}

/* ============ TICKER ============ */
.ticker {
  border-block: 1px solid var(--color-line-soft);
  background: var(--bg-alt);
  overflow: hidden;
  padding-block: 1.1rem;
}
.ticker__track {
  display: inline-flex; align-items: center; gap: 1.6rem;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 0.9rem + 1vw, 1.8rem);
  font-style: italic;
  color: var(--text-soft);
  animation: tick 32s linear infinite;
}
.ticker__dot { color: var(--color-clay); font-style: normal; font-size: 0.7em; }
@keyframes tick { to { transform: translateX(-50%); } }

/* ============ PHILOSOPHY ============ */
.philosophy__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 6rem);
  align-items: start;
}
.philosophy__intro { position: sticky; top: 8rem; }
.philosophy__body p { color: var(--text-soft); margin-bottom: var(--space-sm); max-width: 46ch; }
.stat-row { display: flex; flex-wrap: wrap; gap: var(--space-lg); margin-top: var(--space-md); }
.stat { display: flex; flex-direction: column; }
.stat strong { font-family: var(--font-display); font-size: clamp(2rem, 3vw, 2.8rem); color: var(--color-clay-deep); line-height: 1; }
.stat strong span { font-size: 0.6em; color: var(--color-clay); }
.stat > span { font-size: var(--text-sm); color: var(--text-soft); margin-top: 0.4rem; }

/* ============ STEPS ============ */
.steps { background: var(--bg-alt); max-width: none; }
.steps__head, .steps__list { max-width: var(--maxw); margin-inline: auto; }
.steps__head { margin-bottom: var(--space-lg); }
.steps__list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.step { padding-top: var(--space-sm); border-top: 1.5px solid var(--color-ink); }
.step__n {
  font-family: var(--font-display); font-size: 2.4rem; color: var(--color-clay);
  display: block; margin-bottom: var(--space-xs);
}
.step h3 { font-size: var(--text-lg); margin-bottom: 0.5rem; }
.step p { color: var(--text-soft); font-size: var(--text-sm); max-width: 32ch; }

/* ============ DOCTOR ============ */
.doctor__grid {
  display: grid; grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 5rem); align-items: center;
}
.doctor__portrait { margin: 0; }
.doctor__img {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 100% at 30% 10%, var(--color-clay-tint), transparent 55%),
    linear-gradient(160deg, var(--color-shell), var(--color-sage-tint));
  display: grid; place-items: center;
  box-shadow: var(--shadow-lg);
  position: relative; overflow: hidden;
}
.doctor__img::after {
  content: ""; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.25'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}
.doctor__monogram {
  font-family: var(--font-display); font-size: clamp(4rem, 8vw, 7rem);
  font-style: italic; color: oklch(99% 0.004 80 / 0.8);
}
.doctor__portrait figcaption {
  text-align: center; margin-top: var(--space-xs);
  font-family: var(--font-display); font-style: italic; color: var(--text-soft);
}
.doctor__role { color: var(--color-clay-deep); font-weight: 600; margin-bottom: var(--space-sm); }
.doctor__body p { color: var(--text-soft); max-width: 50ch; margin-bottom: var(--space-sm); }
.doctor__creds { display: grid; gap: 0.7rem; margin-top: var(--space-sm); }
.doctor__creds li { position: relative; padding-left: 1.7rem; color: var(--text); font-size: var(--text-sm); }
.doctor__creds li::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 1rem; height: 1.5px; background: var(--color-clay);
}

/* ============ CONTACT ============ */
.contact { max-width: none; background: var(--color-ink); color: var(--color-cream); }
.contact__grid {
  max-width: var(--maxw); margin-inline: auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center;
}
.contact .section__label { color: var(--color-clay-tint); }
.contact .section__title { color: var(--color-cream); }
.contact__rows { margin: var(--space-md) 0 var(--space-lg); display: grid; gap: var(--space-sm); }
.contact__row { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; padding-bottom: var(--space-sm); border-bottom: 1px solid oklch(100% 0 0 / 0.12); }
.contact__k { font-size: var(--text-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: oklch(80% 0.02 60); }
.contact__v { color: var(--color-cream); }
.contact__v a:hover { color: var(--color-clay-tint); }
.contact__map { aspect-ratio: 4 / 3; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.contact__map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(0.3) contrast(1.05); }

/* ============ FOOTER ============ */
.footer { background: var(--color-ink); color: var(--color-cream); padding: var(--space-lg) var(--gutter) var(--space-md); border-top: 1px solid oklch(100% 0 0 / 0.1); }
.footer__inner { max-width: var(--maxw); margin-inline: auto; display: flex; flex-wrap: wrap; gap: var(--space-md); justify-content: space-between; align-items: center; }
.footer__brand { display: flex; flex-direction: column; }
.footer__brand .brand__name { color: var(--color-cream); font-size: 1.3rem; }
.footer__brand .brand__sub { color: oklch(75% 0.02 60); }
.footer__nav { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.footer__nav a { font-size: var(--text-sm); color: oklch(82% 0.015 60); transition: color var(--dur-fast); }
.footer__nav a:hover { color: var(--color-clay-tint); }
.footer__legal { max-width: var(--maxw); margin: var(--space-lg) auto 0; font-size: var(--text-xs); color: oklch(65% 0.015 60); }