/* =========================================================
   Energy-based skin clinic — "Luminous" design system
   Own identity (distinct from Lumos Botanical Calm)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500&family=Inter:wght@400;500;600&display=swap');

:root {
  /* Palette */
  --canvas:      #FBF8F4;
  --canvas-warm: #F4EDE3;
  --ink:         #2A2622;
  --ink-soft:    #6B6258;
  --bronze:      #B08856;
  --bronze-deep: #8A6A40;
  --blush:       #E8DDD0;
  --line:        #E3D8C9;

  /* Type */
  --display: 'Fraunces', Georgia, serif;
  --body:    'Inter', system-ui, sans-serif;

  /* Scale */
  --step--1: clamp(0.83rem, 0.8rem + 0.15vw, 0.9rem);
  --step-0:  clamp(1rem, 0.95rem + 0.25vw, 1.13rem);
  --step-1:  clamp(1.33rem, 1.2rem + 0.6vw, 1.6rem);
  --step-2:  clamp(1.9rem, 1.6rem + 1.5vw, 2.6rem);
  --step-3:  clamp(2.8rem, 2.2rem + 3vw, 4.6rem);

  /* Space */
  --gap: clamp(1rem, 0.8rem + 1vw, 1.6rem);
  --section-y: clamp(4rem, 3rem + 6vw, 8rem);
  --wrap: 1120px;

  --radius: 14px;
  --shadow: 0 1px 2px rgba(42,38,34,.04), 0 12px 40px rgba(42,38,34,.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
body { overflow-x: hidden; }

body {
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--body);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.01em;
}

a { color: inherit; text-decoration: none; }

.wrap { width: min(var(--wrap), 92vw); margin-inline: auto; }

.eyebrow {
  font-family: var(--body);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bronze-deep);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .55em;
  font-family: var(--body);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: .95em 1.7em;
  border-radius: 100px;
  border: 1px solid var(--bronze);
  transition: all .25s ease;
  cursor: pointer;
}
.btn--solid { background: var(--bronze); color: var(--canvas); }
.btn--solid:hover { background: var(--bronze-deep); border-color: var(--bronze-deep); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--canvas); border-color: var(--ink); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251,248,244,.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 0;
}
.brand {
  font-family: var(--display);
  font-weight: 400;
  font-size: var(--step-1);
  letter-spacing: -0.01em;
}
.brand span { color: var(--bronze-deep); }
.nav-links { display: flex; gap: 1.6rem; align-items: center; }
.nav-links a { font-size: var(--step--1); font-weight: 500; color: var(--ink-soft); transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.5rem; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  position: relative; padding: clamp(4rem,3rem+8vw,9rem) 0 var(--section-y); overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(176,136,86,.26), rgba(176,136,86,0) 55%),
    radial-gradient(90% 70% at 82% 115%, rgba(232,221,208,.65), rgba(232,221,208,0) 60%),
    linear-gradient(180deg, var(--canvas), var(--canvas-warm));
}
/* faint dotted "energy" texture, masked so it fades at the edges */
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; opacity: .5; pointer-events: none;
  background-image: radial-gradient(circle at 1px 1px, rgba(138,106,64,.13) 1px, transparent 0);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(62% 60% at 50% 38%, #000, transparent);
          mask-image: radial-gradient(62% 60% at 50% 38%, #000, transparent);
}
.hero .wrap { position: relative; z-index: 1; text-align: center; }
.hero h1 { font-size: var(--step-3); margin: 1rem auto 1.2rem; max-width: 16ch; }
.hero h1 em { font-style: italic; color: var(--bronze-deep); }
.hero p { font-size: var(--step-1); color: var(--ink-soft); max-width: 46ch; margin: 0 auto 2.2rem; line-height: 1.5; }
.hero-actions { display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Sections ---------- */
section { padding-block: var(--section-y); }
.section-head { max-width: 52ch; margin-bottom: clamp(2rem,1.5rem+2vw,3.5rem); }
.section-head h2 { font-size: var(--step-2); margin: .8rem 0 1rem; }
.section-head p { color: var(--ink-soft); }

/* ---------- Treatment cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--gap); }
.card {
  background: var(--canvas); border: 1px solid var(--line);
  border-radius: var(--radius); padding: clamp(1.6rem,1.2rem+1vw,2.2rem);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  position: relative; overflow: hidden;
}
.card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 50% 0%, rgba(176,136,86,.10), transparent 60%);
  opacity: 0; transition: opacity .3s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--blush); }
.card:hover::after { opacity: 1; }
.card h3 { font-size: var(--step-1); margin-bottom: .6rem; position: relative; }
.card p { color: var(--ink-soft); font-size: var(--step--1); margin-bottom: 1.4rem; position: relative; }
.card .card-link { font-weight: 600; font-size: var(--step--1); color: var(--bronze-deep); position: relative; }
.card .card-link::after { content: " →"; transition: margin .2s; }
.card:hover .card-link::after { margin-left: .3em; }

/* Fully-clickable card: the whole card is an anchor */
.card--link { display: block; cursor: pointer; text-decoration: none; color: inherit; }
.card--link h3 { color: var(--ink); }

/* ---------- Concerns strip ---------- */
.band { background: var(--canvas-warm); }
.concerns { display: flex; flex-wrap: wrap; gap: .7rem; }
.chip {
  display: inline-flex; align-items: center;
  background: var(--canvas); border: 1px solid var(--line);
  border-radius: 100px; padding: .7em 1.3em;
  font-size: var(--step--1); font-weight: 500; color: var(--ink);
  transition: all .2s ease;
}
.chip:hover { border-color: var(--bronze); color: var(--bronze-deep); }

/* ---------- CTA ---------- */
.cta-band { text-align: center; background: var(--ink); color: var(--canvas); border-radius: clamp(20px,3vw,32px); padding: clamp(3rem,2rem+5vw,5.5rem) 1.5rem; }
.cta-band h2 { font-size: var(--step-2); color: var(--canvas); margin-bottom: 1rem; }
.cta-band p { color: rgba(251,248,244,.72); max-width: 44ch; margin: 0 auto 2rem; }
.cta-band .btn--solid { background: var(--bronze); border-color: var(--bronze); }
.cta-band .btn--solid:hover { background: var(--canvas); color: var(--ink); border-color: var(--canvas); }

/* ---------- About strip (homepage) ---------- */
.about-strip { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem,1rem+4vw,4.5rem); align-items: center; }
.about-text h2 { font-size: var(--step-2); margin: .8rem 0 1.1rem; }
.about-text p { color: var(--ink-soft); margin-bottom: 1rem; }
.about-text .btn { margin-top: .6rem; }
@media (max-width: 860px) { .about-strip { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 3rem; font-size: var(--step--1); color: var(--ink-soft); }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 2rem; }
.footer-grid a:hover { color: var(--ink); }

/* ---------- Image visuals (CSS-only now, photo-ready later) ---------- */
/* Abstract luminous panel — use until a real photo replaces it */
.viz {
  border-radius: var(--radius); position: relative; overflow: hidden;
  background:
    radial-gradient(70% 120% at 30% 20%, rgba(176,136,86,.42), transparent 60%),
    radial-gradient(80% 80% at 85% 90%, rgba(232,221,208,.9), transparent 55%),
    linear-gradient(135deg, #EFE6D8, #D9C7AE);
}
.viz::before {
  content: ""; position: absolute; inset: 0; opacity: .55;
  background: repeating-linear-gradient(115deg, rgba(255,255,255,.18) 0 2px, transparent 2px 16px);
}
.viz--hero { aspect-ratio: 4/3; }
.viz--wide { aspect-ratio: 16/10; }
.viz-label { position: absolute; bottom: 14px; left: 16px; z-index: 1; font-family: var(--display); font-style: italic; color: #5b4a32; font-size: var(--step-0); }

/* When you have a real photo, use .photo instead of .viz:
   <img class="photo photo--wide" src="img/room.jpg" alt="...">  */
.photo { display: block; width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius); }
.photo--wide { aspect-ratio: 16/10; }
.photo--hero { aspect-ratio: 4/3; }
.photo--portrait { aspect-ratio: 4/5; box-shadow: var(--shadow); }

/* ---------- Treatment page ---------- */
.t-hero {
  padding: clamp(3rem,2rem+5vw,6rem) 0 clamp(2rem,1.5rem+2vw,3.5rem);
  position: relative;
}
/* full-bleed luminous background matching the homepage hero */
.t-hero::before {
  content: ""; position: absolute; z-index: 0;
  top: 0; bottom: 0; left: 50%; width: 100vw; transform: translateX(-50%);
  background:
    radial-gradient(110% 90% at 28% -20%, rgba(176,136,86,.26), rgba(176,136,86,0) 55%),
    radial-gradient(80% 80% at 95% 120%, rgba(232,221,208,.6), rgba(232,221,208,0) 60%),
    linear-gradient(180deg, var(--canvas), var(--canvas-warm));
  pointer-events: none;
}
.t-hero::after {
  content: ""; position: absolute; z-index: 0;
  top: 0; bottom: 0; left: 50%; width: 100vw; transform: translateX(-50%);
  opacity: .5; pointer-events: none;
  background-image: radial-gradient(circle at 1px 1px, rgba(138,106,64,.13) 1px, transparent 0);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(58% 70% at 35% 40%, #000, transparent);
          mask-image: radial-gradient(58% 70% at 35% 40%, #000, transparent);
}
.t-hero > * { position: relative; z-index: 1; }
.t-hero .eyebrow { display: block; margin-bottom: 1rem; }
.t-hero h1 { font-size: var(--step-3); max-width: 14ch; }
.t-hero p.lede { font-size: var(--step-1); color: var(--ink-soft); max-width: 50ch; margin-top: 1.4rem; line-height: 1.5; }
.t-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: clamp(2rem,1rem+4vw,5rem); align-items: start; margin-top: clamp(2.5rem,2rem+3vw,4rem); }
.t-body h2 { font-size: var(--step-2); margin: 2.4rem 0 1rem; }
.t-body h2:first-child { margin-top: 0; }
.t-body p { margin-bottom: 1.1rem; color: var(--ink); }
.t-body ul { margin: 0 0 1.4rem 1.1rem; color: var(--ink); }
.t-body li { margin-bottom: .5rem; }
.t-aside {
  position: sticky; top: 96px;
  background: var(--canvas-warm); border: 1px solid var(--line);
  border-radius: var(--radius); padding: clamp(1.6rem,1.2rem+1vw,2.2rem);
}
.t-aside h3 { font-size: var(--step-1); margin-bottom: 1.2rem; }
.t-fact { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem 0; border-bottom: 1px solid var(--line); font-size: var(--step--1); align-items: baseline; }
.t-fact:last-of-type { border-bottom: 0; margin-bottom: 1.2rem; }
.t-fact span:first-child { color: var(--ink-soft); flex: 0 0 auto; }
.t-fact span:last-child { font-weight: 600; text-align: right; flex: 1 1 auto; min-width: 0; }
.t-aside .btn { width: 100%; justify-content: center; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 1.1rem 0; }
.faq summary { font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--bronze-deep); font-size: 1.3em; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: .8rem; color: var(--ink-soft); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .cards { grid-template-columns: 1fr; }
  .t-grid { grid-template-columns: 1fr; }
  .t-aside { position: static; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open { display: flex; position: absolute; top: 100%; right: 4vw; flex-direction: column; background: var(--canvas); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.4rem; box-shadow: var(--shadow); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

:focus-visible { outline: 2px solid var(--bronze-deep); outline-offset: 3px; border-radius: 4px; }

/* ---------- Before / After gallery ---------- */
.ba-gallery { margin: 1.5rem 0 0.5rem; }
.ba-item { margin-bottom: 1.8rem; }
.ba-item img { width: 100%; height: auto; border-radius: var(--radius); display: block; box-shadow: var(--shadow); }
.ba-labels { display: flex; gap: 0; margin-top: -2.4rem; position: relative; z-index: 1; pointer-events: none; }
.ba-labels span { flex: 1; text-align: center; }
.ba-tag {
  display: inline-block; background: rgba(42,38,34,.72); color: #fff;
  font-size: var(--step--1); font-weight: 600; letter-spacing: .04em;
  padding: .3em 1em; border-radius: 100px; backdrop-filter: blur(4px);
}
.ba-caption { margin-top: .9rem; color: var(--ink); font-size: var(--step--1); }
.ba-caption .ba-disclaimer { display: block; color: var(--ink-soft); font-style: italic; margin-top: .2rem; }