/* ————————————————————————————————————————————————
   AURELLE — The Skin Clinic
   Porcelain clinical quiet-luxury design system
   ———————————————————————————————————————————————— */

:root {
  --canvas: #F8F8F6;          /* porcelain */
  --canvas-lift: #FDFDFC;
  --canvas-deep: #EFEFEB;     /* pale stone */
  --ink: #26282B;             /* cool graphite */
  --ink-soft: #55585C;
  --muted: #8E9195;
  --accent: #39434D;          /* deep slate ink */
  --hairline: #E2E2DD;
  --hairline-strong: #C9C9C3;

  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter Tight", "Helvetica Neue", Arial, sans-serif;

  --measure: 33em;
  --gutter: clamp(1.5rem, 5vw, 5rem);
  --section: clamp(6rem, 15vh, 10.5rem);

  --ease: cubic-bezier(0.22, 0.08, 0.18, 1);
  --slow: 1.1s;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.8;
  letter-spacing: 0.015em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: var(--canvas); }

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ——— Typography: grotesque-led, precise, modest ——— */

h1, h2, h3 {
  font-family: var(--sans);
  font-weight: 300;
  text-transform: uppercase;
  line-height: 1.3;
}

h1 { font-size: clamp(1.5rem, 3.2vw, 2.3rem); letter-spacing: 0.16em; }
h2 { font-size: clamp(1.05rem, 1.9vw, 1.4rem); letter-spacing: 0.18em; }
h3 { font-size: 0.95rem; letter-spacing: 0.16em; }

em, .ital {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 360;
  text-transform: none;
  letter-spacing: 0.01em;
  color: var(--accent);
}
h1 em { font-size: 1.12em; }

.label {
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.34em;
  color: var(--muted);
}

.lede {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2vw, 1.45rem);
  font-style: italic;
  font-weight: 360;
  line-height: 1.6;
  color: var(--ink-soft);
}

p { max-width: var(--measure); color: var(--ink-soft); }

/* ——— Layout ——— */

.wrap {
  max-width: 74rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section); }
.section--tight { padding-block: calc(var(--section) * 0.55); }

.rule { border: 0; border-top: 1px solid var(--hairline); }

.center { text-align: center; }
.center p { margin-inline: auto; }

/* ——— Header ——— */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--canvas) 90%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
}

.site-header__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding-block: 1.35rem;
}

.brand {
  grid-column: 2;
  text-align: center;
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 300;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--ink);
  padding-left: 0.5em; /* optically recenter tracked text */
}
.brand small {
  display: block;
  font-size: 0.5rem;
  font-weight: 400;
  letter-spacing: 0.4em;
  color: var(--muted);
  margin-top: 0.3rem;
}

.nav { grid-column: 1; display: flex; gap: 2.2rem; }
.nav--right { grid-column: 3; justify-content: flex-end; }

.nav a {
  font-size: 0.64rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--muted);
  padding-block: 0.3rem;
  transition: color 0.5s var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom: 1px solid var(--ink); }

.nav-toggle {
  display: none;
  grid-column: 1;
  justify-self: start;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.5rem 0.5rem 0.5rem 0;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--ink);
  margin: 6px 0;
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .brand { font-size: 0.9rem; }
  .nav, .nav--right {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--canvas-lift);
    border-bottom: 1px solid var(--hairline);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.7s var(--ease);
  }
  .nav.is-open, .nav--right.is-open { max-height: 30rem; }
  .nav a { padding: 1.1rem var(--gutter); border-bottom: 1px solid var(--hairline); }
}

/* ——— Buttons ——— */

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.64rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink);
  border-radius: 0;
  padding: 1.05rem 2.8rem;
  cursor: pointer;
  transition: background 0.5s var(--ease), color 0.5s var(--ease), border-color 0.5s var(--ease);
}
.btn:hover { background: var(--ink); color: var(--canvas); }

.btn--solid {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--canvas);
}
.btn--solid:hover { background: transparent; color: var(--accent); }

.textlink {
  font-size: 0.64rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--ink);
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--hairline-strong);
  transition: border-color 0.5s var(--ease);
}
.textlink:hover { border-bottom-color: var(--ink); }
.textlink::after { content: "\2009\2192"; }

/* ——— Plates (sharp, gallery-clean image slots) ——— */

.plate {
  position: relative;
  overflow: hidden;
  background: linear-gradient(165deg, #ECECE8 0%, #E0E0DA 50%, #D2D2CB 100%);
}
.plate::before {
  content: attr(data-caption);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  color: rgba(38, 40, 43, 0.35);
  letter-spacing: 0.05em;
}
.plate img {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9);
  transition: transform 1.8s var(--ease);
}
.plate:hover img { transform: scale(1.025); }

.plate--wide { aspect-ratio: 21 / 9; }
.plate--tall { aspect-ratio: 3 / 4; }
.plate--land { aspect-ratio: 4 / 3; }

/* ——— Hero ——— */

.hero {
  position: relative;
  text-align: center;
  padding-block: clamp(4rem, 9vh, 7rem) 0;
}
.hero .label { display: block; margin-bottom: 1.8rem; }
.hero h1 { max-width: 22em; margin-inline: auto; }
.hero__sub { max-width: 30em; margin: 2rem auto 2.8rem; }
.hero__media {
  max-width: min(58rem, 100%);
  margin: 4rem auto 0;
}

/* ——— Ornament divider ——— */

.orn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.4rem;
  color: var(--muted);
}
.orn::before, .orn::after {
  content: "";
  width: clamp(3rem, 10vw, 7rem);
  height: 1px;
  background: var(--hairline-strong);
}
.orn span {
  font-size: 0.62rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
}

/* ——— Typographic treatment menu ——— */

.menu-row {
  display: block;
  border-top: 1px solid var(--hairline);
  padding-block: clamp(1.6rem, 3.5vh, 2.4rem);
  transition: background 0.6s var(--ease);
}
.menu-row:last-of-type { border-bottom: 1px solid var(--hairline); }
.menu-row:hover { background: var(--canvas-lift); }

.menu-row__inner {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr) auto;
  gap: clamp(1.2rem, 4vw, 3rem);
  align-items: baseline;
}
.menu-row__num {
  font-size: 0.66rem;
  letter-spacing: 0.3em;
  color: var(--muted);
}
.menu-row__title {
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(1.1rem, 2.4vw, 1.7rem);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  line-height: 1.25;
  transition: color 0.5s var(--ease);
}
.menu-row:hover .menu-row__title { color: var(--accent); }
.menu-row__hint {
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--muted);
  white-space: nowrap;
}
.menu-row__desc {
  grid-column: 2;
  max-width: 36em;
  margin-top: 0.6rem;
  font-size: 0.875rem;
  color: var(--muted);
}
@media (max-width: 640px) {
  .menu-row__inner { grid-template-columns: 2.4rem minmax(0, 1fr); }
  .menu-row__hint { display: none; }
}

/* ——— Duet ——— */

.duet {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
  max-width: 56rem;
  margin-inline: auto;
}
.duet figure figcaption { text-align: center; margin-top: 1.6rem; }
.duet .label { display: block; margin-bottom: 0.6rem; }
.duet h3 { margin-bottom: 0.5rem; }
.duet p { font-size: 0.875rem; color: var(--muted); margin-inline: auto; }
@media (max-width: 640px) {
  .duet { grid-template-columns: 1fr; max-width: 22rem; }
}

/* ——— Split ——— */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 8vw, 7rem);
  align-items: center;
}
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } }

/* ——— Bands ——— */

.band { background: var(--canvas-lift); border-block: 1px solid var(--hairline); }
.band--deep { background: var(--canvas-deep); }

/* ——— Quote ——— */

.quote {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.7vw, 2rem);
  font-style: italic;
  font-weight: 360;
  line-height: 1.5;
  max-width: 24em;
  margin-inline: auto;
  color: var(--ink);
}
.quote-attr { margin-top: 2rem; }

/* ——— Detail list ——— */

.detail-list { list-style: none; max-width: var(--measure); }
.detail-list li {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 1rem;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.875rem;
  color: var(--ink-soft);
}
.detail-list li span:first-child {
  color: var(--muted);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  align-self: center;
}

/* ——— Forms ——— */

.form { max-width: 38rem; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 2.2rem;
}
.form-grid .form-field--full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.form-field label {
  display: block;
  font-size: 0.6rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--muted);
  margin-bottom: 0.6rem;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  font-family: var(--sans);
  font-weight: 300;
  font-size: 0.9375rem;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--hairline-strong);
  border-radius: 0;
  padding: 0.6rem 0;
  transition: border-color 0.5s var(--ease);
}
.form-field select option { background: var(--canvas-lift); }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-bottom-color: var(--accent);
}
.form-field textarea { resize: vertical; min-height: 5.5rem; }

/* ——— Footer ——— */

.site-footer {
  border-top: 1px solid var(--hairline);
  background: var(--canvas-deep);
  padding-block: 4.5rem 2.5rem;
  font-size: 0.8rem;
  color: var(--ink-soft);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}
.site-footer .label { display: block; margin-bottom: 1.2rem; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 0.6rem; }
.site-footer a { transition: color 0.4s var(--ease); }
.site-footer a:hover { color: var(--ink); }
.site-footer__legal {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--hairline);
  font-size: 0.7rem;
  color: var(--muted);
  flex-wrap: wrap;
}
@media (max-width: 820px) { .site-footer__grid { grid-template-columns: 1fr 1fr; } }

/* ——— Demo modal ——— */

.demo-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--gutter);
  background: rgba(38, 40, 43, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}
.demo-modal.is-open { opacity: 1; visibility: visible; }

.demo-modal__card {
  background: var(--canvas-lift);
  border: 1px solid var(--hairline);
  max-width: 27rem;
  width: 100%;
  padding: clamp(2.4rem, 5vw, 3.4rem);
  text-align: center;
  transform: translateY(16px);
  transition: transform 0.6s var(--ease);
}
.demo-modal.is-open .demo-modal__card { transform: translateY(0); }

.demo-modal__card .label { display: block; margin-bottom: 1.4rem; color: var(--accent); }
.demo-modal__card h3 { margin-bottom: 1rem; }
.demo-modal__card p { font-size: 0.875rem; margin-inline: auto; margin-bottom: 1.8rem; }
.demo-modal__card a.email {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--accent);
  border-bottom: 1px solid var(--hairline-strong);
  transition: border-color 0.5s var(--ease);
}
.demo-modal__card a.email:hover { border-bottom-color: var(--accent); }
.demo-modal__close { margin-top: 2.4rem; }

/* ——— Reveal ——— */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.12s; }
.reveal[data-delay="2"] { transition-delay: 0.24s; }
.reveal[data-delay="3"] { transition-delay: 0.36s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .plate img { transition: none; }
  * { animation: none !important; }
}

/* ——— Page hero ——— */

.page-hero {
  text-align: center;
  padding-block: calc(var(--section) * 0.8) calc(var(--section) * 0.5);
}
.page-hero .label { display: block; margin-bottom: 1.6rem; }
.page-hero h1 { max-width: 20em; margin-inline: auto; margin-bottom: 1.8rem; }
.page-hero .lede { max-width: 28em; margin-inline: auto; }

/* ——— Demo ribbon ——— */

.demo-ribbon {
  background: var(--accent);
  color: var(--canvas);
  text-align: center;
  font-size: 0.6rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  padding: 0.55rem var(--gutter);
}
.demo-ribbon a { border-bottom: 1px solid rgba(248, 248, 246, 0.4); }