/* Zah Photography: minimal, warm, lightweight */
:root {
  --bg: #EAE4DB;
  --bg-soft: #F3EFE9;
  --surface: #FAF8F4;
  --ink: #3A352E;
  --ink-soft: #6B645A;
  --accent: #6F6249;
  --accent-dark: #554A35;
  --line: #CFC5B6;
  --error: #9A4B3C;

  --serif: "Bodoni Moda", "Didot", Georgia, serif;
  --sans: "Jost", "Helvetica Neue", Arial, sans-serif;

  --radius: 2px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --container: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 300 1.0625rem/1.75 var(--sans);
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; line-height: 1.15; margin: 0 0 .5em; color: var(--accent-dark); }
h1 { font-size: clamp(2.3rem, 5vw, 4rem); font-style: italic; letter-spacing: -.01em; }
h2 { font-size: clamp(2rem, 3.6vw, 2.9rem); font-style: italic; }
h3 { font-size: 1.6rem; font-style: italic; text-transform: uppercase; letter-spacing: .02em; }
h4 { font-size: 1.35rem; font-style: italic; }
p { margin: 0 0 1em; }

.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.section { padding: clamp(4.5rem, 10vw, 8rem) 0; }
.section-sm { padding: clamp(3rem, 6vw, 5rem) 0; }
.section-alt { background: var(--bg-soft); }
.section-head { margin-bottom: clamp(2rem, 4vw, 3.5rem); text-align: center; }
.eyebrow {
  font-size: .75rem; font-weight: 500; letter-spacing: .32em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1rem;
}
.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 34rem; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--ink); color: var(--bg); padding: .5rem 1rem; z-index: 100; }
.skip-link:focus { left: 1rem; }
:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }

/* ---------- Logo ---------- */
.logo { display: inline-flex; align-items: center; gap: .9rem; text-decoration: none; }
.logo-img { width: 44px; height: auto; }
.logo-word { font-size: .62rem; letter-spacing: .5em; text-transform: uppercase; font-weight: 400; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease);
}
.site-header.is-scrolled { border-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.site-nav { display: flex; align-items: center; gap: 2.2rem; }
.site-nav a:not(.btn) {
  text-decoration: none; font-size: .78rem; letter-spacing: .2em; text-transform: uppercase;
  position: relative; padding: .3rem 0;
}
.site-nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right; transition: transform .35s var(--ease);
}
.site-nav a:not(.btn):hover::after { transform: scaleX(1); transform-origin: left; }
.nav-toggle { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .95rem 2rem; border: 1px solid var(--accent-dark); border-radius: var(--radius);
  background: var(--accent-dark); color: var(--bg-soft);
  font-size: .76rem; font-weight: 400; letter-spacing: .22em; text-transform: uppercase;
  text-decoration: none; cursor: pointer;
  transition: background .3s var(--ease), color .3s var(--ease), transform .3s var(--ease);
}
.btn:hover { background: var(--ink); border-color: var(--ink); }
.btn:active { transform: translateY(1px); }
.btn-outline { background: transparent; color: var(--accent-dark); }
.btn-outline:hover { background: var(--accent-dark); color: var(--bg-soft); }
.btn-small { padding: .65rem 1.3rem; }
.btn[disabled] { opacity: .6; cursor: progress; }
.link-arrow {
  font-size: .76rem; letter-spacing: .22em; text-transform: uppercase; text-decoration: none;
  border-bottom: 1px solid var(--line); padding-bottom: .25rem; transition: border-color .3s;
}
.link-arrow::after { content: " →"; letter-spacing: 0; }
.link-arrow:hover { border-color: var(--ink); }

/* ---------- Hero ---------- */
.hero { padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(3rem, 6vw, 5rem); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.hero-actions { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; margin-top: 2.2rem; }
.hero-media { position: relative; margin: 0; }
.hero-media > img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; filter: saturate(.82) contrast(.98); }
.hero-badge {
  position: absolute; left: -2.2rem; bottom: -2.2rem; background: var(--bg);
  border: 1px solid var(--accent); padding: 1.8rem 2.2rem 1.4rem; text-align: center;
  padding: 1.4rem;
}
.hero-badge img { width: 170px; }

.quote { font-family: var(--serif); font-style: italic; font-size: clamp(1.35rem, 2.6vw, 1.9rem); line-height: 1.5; color: var(--accent-dark); margin: 0; }

/* ---------- Portfolio ---------- */
.filters { display: flex; justify-content: center; flex-wrap: wrap; gap: .4rem 1.6rem; margin-bottom: 2.5rem; }
.filter {
  background: none; border: 0; padding: .3rem 0; cursor: pointer; color: var(--ink-soft);
  font-size: .76rem; letter-spacing: .22em; text-transform: uppercase; border-bottom: 1px solid transparent;
  transition: color .25s, border-color .25s;
}
.filter:hover, .filter.is-active { color: var(--ink); border-color: var(--ink); }
.gallery { columns: 3 280px; column-gap: 1.1rem; }
.g-item {
  break-inside: avoid; margin: 0 0 1.1rem; overflow: hidden; cursor: zoom-in; background: var(--line);
  transition: opacity .4s var(--ease);
}
.g-item img { width: 100%; filter: saturate(.82); transition: transform .9s var(--ease), filter .6s; }
.g-item:hover img { transform: scale(1.035); filter: saturate(1); }
.g-item.is-hidden { display: none; }

/* ---------- Services ---------- */
.service-group {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(2.5rem, 5vw, 4rem) 0; border-top: 1px solid var(--line);
}
.service-group:first-of-type { border-top: 0; padding-top: 0; }
.service-intro p { color: var(--ink-soft); }
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.card {
  position: relative; background: var(--surface); padding: 2.2rem 1.8rem;
  border: 1px solid var(--line); display: flex; flex-direction: column;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -24px rgba(58, 53, 46, .35); }
.card h4 { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 6px; text-decoration-color: var(--line); }
.card ul { list-style: none; padding: 0; margin: 0 0 2rem; flex: 1; font-size: .95rem; color: var(--ink-soft); }
.card li { padding: .5rem 0; border-bottom: 1px solid #E6DFD4; }
.card li:last-child { border-bottom: 0; }
.card .btn { width: 100%; }
.card-featured { border-color: var(--accent); }
.tag {
  position: absolute; top: -.7rem; left: 1.8rem; background: var(--accent); color: var(--bg-soft);
  font-size: .62rem; letter-spacing: .2em; text-transform: uppercase; padding: .2rem .7rem; margin: 0;
}
.price { font-family: var(--serif); font-size: 2.6rem; color: var(--ink); line-height: 1; margin: .2rem 0 1.4rem; }
.price-text { font-size: 1.6rem; font-style: italic; }
.price span { font-size: 1.3rem; vertical-align: .9em; margin-right: .1em; }
.studio-note {
  display: flex; justify-content: space-between; align-items: center; gap: 2rem; flex-wrap: wrap;
  border: 1px solid var(--line); padding: 1.6rem 2rem; margin-top: 1rem;
}
.studio-note p { margin: 0; color: var(--ink-soft); }
.studio-note em { font-family: var(--serif); color: var(--accent-dark); font-size: 1.15em; }

/* ---------- Booking ---------- */
.book-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.book-info { position: sticky; top: 110px; }
.book-info p { color: var(--ink-soft); }
.steps { list-style: none; padding: 0; margin: 2rem 0 0; }
.steps li { display: flex; gap: 1.2rem; align-items: baseline; padding: .9rem 0; border-top: 1px solid var(--line); }
.steps span { font-family: var(--serif); font-style: italic; color: var(--accent); }

.form { background: var(--surface); border: 1px solid var(--line); padding: clamp(1.5rem, 4vw, 2.8rem); }
.field { border: 0; padding: 0; margin: 0 0 1.4rem; min-width: 0; }
.field label, .field legend { display: block; font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; margin-bottom: .55rem; font-weight: 400; padding: 0; }
.req { color: var(--accent); }
.opt { text-transform: none; letter-spacing: 0; color: var(--ink-soft); font-size: .8rem; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.2rem; }
input[type=text], input[type=tel], input[type=email], input[type=date], textarea, select {
  width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--line); border-radius: 0;
  padding: .65rem 0; font-size: 1rem; transition: border-color .25s; appearance: none;
}
select { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6' fill='none' stroke='%236B645A'/%3E%3C/svg%3E") no-repeat right center; }
textarea { resize: vertical; min-height: 3rem; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--ink); }
input::placeholder, textarea::placeholder { color: #ADA494; }
.is-invalid input, .is-invalid textarea { border-color: var(--error); }
.error { color: var(--error); font-size: .82rem; margin: .35rem 0 0; min-height: 0; }
.error:empty { display: none; }
.hp { position: absolute !important; left: -9999px; }

.options { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.option { position: relative; cursor: pointer; margin: 0 !important; text-transform: none !important; letter-spacing: 0 !important; font-size: 1rem !important; }
.option-wide { grid-column: 1 / -1; }
.option input { position: absolute; opacity: 0; pointer-events: none; }
.option > span {
  display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto; column-gap: 1rem;
  border: 1px solid var(--line); padding: .95rem 1.1rem; transition: border-color .25s, background .25s;
}
.option b { font-weight: 400; font-family: var(--serif); font-style: italic; font-size: 1.05rem; }
.option small { grid-column: 1; font-size: .8rem; color: var(--ink-soft); }
.option em { grid-row: 1 / 3; grid-column: 2; align-self: center; font-style: normal; font-weight: 500; color: var(--accent-dark); }
.option:hover > span { border-color: var(--accent); }
.option input:checked + span { border-color: var(--accent-dark); background: var(--bg-soft); box-shadow: inset 0 0 0 1px var(--accent-dark); }
.option input:focus-visible + span { outline: 1px solid var(--accent); outline-offset: 2px; }

.form-foot { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-top: .6rem; }
.summary, .hint { margin: 0; font-size: .9rem; color: var(--ink-soft); }
.summary b { font-weight: 500; color: var(--ink); }
.form-status { margin: 1rem 0 0; font-size: .95rem; }
.form-status:empty { display: none; }
.form-status.ok { color: var(--accent-dark); }
.form-status.fail { color: var(--error); }
.form.is-done > *:not(.form-status) { display: none; }
.form.is-done .form-status { font-family: var(--serif); font-style: italic; font-size: 1.4rem; text-align: center; padding: 2rem 0; margin: 0; }

/* ---------- Reviews ---------- */
.reviews { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 1.1rem; }
.review { margin: 0; background: var(--surface); border: 1px solid var(--line); padding: 2rem; display: flex; flex-direction: column; }
.review p { font-family: var(--serif); font-style: italic; font-size: 1.1rem; line-height: 1.6; flex: 1; }
.review footer { font-size: .85rem; color: var(--ink-soft); }
.review footer b { font-weight: 500; color: var(--ink); }
.stars { color: var(--accent); letter-spacing: .2em; margin-bottom: .8rem; font-size: .9rem; }
.review-form-wrap { margin-top: 2.5rem; text-align: center; }
.review-form-wrap > summary { list-style: none; }
.review-form-wrap > summary::-webkit-details-marker { display: none; }
.review-form-wrap[open] > summary { display: none; }
.form-compact { max-width: 680px; margin: 0 auto; text-align: left; }
.rating { display: inline-flex; flex-direction: row-reverse; gap: .2rem; }
.rating input { position: absolute; opacity: 0; }
.rating label { font-size: 1.8rem !important; letter-spacing: 0 !important; color: var(--line); cursor: pointer; margin: 0 !important; transition: color .2s; line-height: 1; }
.rating label:hover, .rating label:hover ~ label, .rating input:checked ~ label { color: var(--accent); }
.rating input:focus-visible + label { outline: 1px solid var(--accent); }

/* ---------- FAQ ---------- */
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 1.3rem 2rem 1.3rem 0; position: relative;
  font-family: var(--serif); font-style: italic; font-size: 1.2rem; color: var(--accent-dark);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 1.1rem; font-family: var(--sans); font-style: normal; font-size: 1.4rem; transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--ink-soft); padding-bottom: 1rem; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 3.5rem 0 2.5rem; }
.footer-inner { display: grid; justify-items: center; gap: 1.6rem; text-align: center; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem 2rem; list-style: none; padding: 0; margin: 0; font-size: .9rem; }
.footer-links a { text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .25s; }
.footer-links a:hover { border-color: currentColor; }
.copy { font-size: .78rem; color: var(--ink-soft); margin: 0; }

/* ---------- Lightbox ---------- */
.lightbox { border: 0; padding: 0; max-width: 100vw; max-height: 100vh; width: 100vw; height: 100vh; background: rgba(30, 27, 23, .94); }
.lightbox[open] { display: grid; place-items: center; }
.lightbox::backdrop { background: transparent; }
.lightbox img { max-width: min(90vw, 1100px); max-height: 86vh; width: auto; object-fit: contain; }
.lightbox button { position: absolute; background: none; border: 0; color: #EAE4DB; font-size: 2.6rem; cursor: pointer; padding: 1rem; line-height: 1; opacity: .8; }
.lightbox button:hover { opacity: 1; }
.lb-close { top: .5rem; right: 1rem; }
.lb-prev { left: .5rem; top: 50%; transform: translateY(-50%); }
.lb-next { right: .5rem; top: 50%; transform: translateY(-50%); }

/* ---------- Reveal on scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: .01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .service-group, .book-grid { grid-template-columns: 1fr; }
  .book-info { position: static; }
}
@media (max-width: 820px) {
  /* backdrop-filter would trap the fixed mobile menu inside the header */
  .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--bg); }
  .nav-toggle {
    display: grid; gap: 6px; width: 44px; height: 44px; place-content: center;
    background: none; border: 0; cursor: pointer; z-index: 60;
  }
  .nav-toggle span { display: block; width: 24px; height: 1px; background: var(--ink); transition: transform .3s var(--ease); }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav {
    position: fixed; inset: 0; background: var(--bg); flex-direction: column; justify-content: center; gap: 2rem;
    opacity: 0; visibility: hidden; transition: opacity .35s var(--ease), visibility .35s;
  }
  .site-nav.is-open { opacity: 1; visibility: visible; }
  .site-nav a:not(.btn) { font-size: 1rem; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; margin: 0 0 2rem 1.5rem; }
  .hero-badge { left: -1.5rem; bottom: -1.5rem; padding: 1rem; }
  .hero-badge img { width: 110px; }
}
@media (max-width: 600px) {
  .cards, .options, .row { grid-template-columns: 1fr; }
  .studio-note { padding: 1.4rem; }
  .form-foot .btn { width: 100%; }
  .gallery { columns: 2 140px; column-gap: .6rem; }
  .g-item { margin-bottom: .6rem; }
}