/* ================================================
   KAYA SOLEIZ — Design System
   Fonts: Montserrat (headings) + Source Sans Pro (body)
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600&family=Source+Sans+3:ital,wght@0,300;0,400;0,600;1,300;1,400&display=swap');

/* ---- Custom Properties ---- */
:root {
  --bg:         #FAF7F2;
  --text:       #2A2A2A;
  --text-muted: #888880;
  --border:     #E2DED6;
  --white:      #FFFFFF;

  --font-display: 'Montserrat', sans-serif;
  --font-body:    'Source Sans 3', sans-serif;

  --nav-h:    96px;
  --max-w:    1400px;
  --pad-x:    clamp(24px, 5vw, 80px);

  --ease:     cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

a, button {
  -webkit-tap-highlight-color: transparent;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

ul { list-style: none; }

/* ================================================
   NAVIGATION
   ================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad-x);
  background: var(--bg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.nav.scrolled {
  border-color: var(--border);
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo img {
  height: 26px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__links a {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  transition: color 0.2s var(--ease);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--text);
  transition: width 0.25s var(--ease);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

/* Mobile hamburger */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav__burger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.nav__burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}

.nav__mobile.open {
  opacity: 1;
  pointer-events: all;
}

.nav__mobile a {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ================================================
   PAGE WRAPPER
   ================================================ */

.page {
  padding-top: var(--nav-h);
  min-height: 100vh;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

/* ================================================
   FOOTER
   ================================================ */

.footer {
  padding: 48px var(--pad-x);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 80px;
}

.footer__copy {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.footer__links {
  display: flex;
  gap: 32px;
}

.footer__links a {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s var(--ease);
}

.footer__links a:hover {
  color: var(--text);
}

/* ================================================
   HOME — HERO + GRID
   ================================================ */

.home-hero {
  padding: 64px var(--pad-x) 48px;
  text-align: center;
}

.home-hero__tagline {
  font-family: var(--font-display);
  font-size: clamp(12px, 1.4vw, 15px);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text);
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 4px;
  gap: 6px;
  padding: 0 clamp(48px, 10vw, 200px);
}

.home-grid__item {
  overflow: hidden;
  cursor: pointer;
  align-self: start;
}

.home-grid__item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s var(--ease), opacity 0.3s var(--ease);
}

.home-grid__item:hover img {
  transform: scale(1.02);
  opacity: 0.92;
}

/* ================================================
   PAGE HEADER (interior pages)
   ================================================ */

.page-header {
  padding: 64px var(--pad-x) 48px;
  text-align: center;
}

.page-header__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 300;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.1;
}

.page-header__sub {
  margin-top: 10px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

/* ================================================
   PHOTOGRAPHY — MASONRY GRID
   ================================================ */

.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 4px;
  gap: 6px;
  padding: 0 clamp(48px, 10vw, 200px) 0;
}

.photo-grid__item {
  overflow: hidden;
  cursor: zoom-in;
  align-self: start;
}

.photo-grid__item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s var(--ease), opacity 0.3s var(--ease);
}

.photo-grid__item:hover img {
  transform: scale(1.02);
  opacity: 0.90;
}

.photo-section-label {
  padding: 48px var(--pad-x) 24px;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ================================================
   PRODUCTION PAGE
   ================================================ */

.production-hero {
  padding: 80px var(--pad-x) 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.kefi-wordmark {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 36px;
}

.kefi-wordmark__main {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1;
}

.kefi-wordmark__sub {
  font-family: var(--font-display);
  font-size: clamp(11px, 1.4vw, 14px);
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.production-body {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.production-body p {
  font-size: 15px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--text);
  margin-bottom: 24px;
}

.production-inline-photo {
  margin: 32px 0;
}

.production-inline-photo img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

.production-body .quote {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.06em;
  font-style: italic;
  color: var(--text-muted);
  border-left: 1px solid var(--border);
  padding-left: 20px;
  margin: 40px 0;
}

.production-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 60px var(--pad-x);
  max-width: 900px;
  margin: 0 auto;
}

.production-photos img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.production-cta {
  text-align: center;
  padding: 0 var(--pad-x) 80px;
}

.production-cta p {
  font-size: 15px;
  font-weight: 300;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* ================================================
   ABOUT PAGE
   ================================================ */

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  padding: 0 var(--pad-x) 80px;
  align-items: start;
}

.about-text p {
  font-size: 15px;
  font-weight: 300;
  line-height: 1.85;
  margin-bottom: 22px;
}

.about-text a {
  border-bottom: 1px solid var(--text-muted);
  transition: border-color 0.2s var(--ease);
}

.about-text a:hover {
  border-color: var(--text);
}

.about-text .location {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 32px;
}

.about-photos {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.about-photos__main {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.about-photos__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.about-photos__row img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
}

/* ================================================
   CONTACT PAGE
   ================================================ */

.contact-layout {
  max-width: 600px;
  padding: 0 var(--pad-x) 100px;
}

.contact-layout .page-header,
.workshop-layout .page-header {
  padding-left: 0;
  padding-right: 0;
  text-align: left;
}

.form-group {
  margin-bottom: 32px;
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.form-input,
.form-textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 300;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s var(--ease);
  -webkit-appearance: none;
  border-radius: 0;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--text);
}

.form-textarea {
  resize: none;
  height: 100px;
  line-height: 1.7;
}

.form-radio-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-radio {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.form-radio input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border: 1px solid var(--border);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  cursor: pointer;
  transition: border-color 0.2s var(--ease);
}

.form-radio input[type="radio"]:checked {
  border-color: var(--text);
}

.form-radio input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 5px;
  height: 5px;
  background: var(--text);
  border-radius: 50%;
}

.form-radio span {
  font-size: 14px;
  font-weight: 300;
}

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 14px 36px;
  border: 1px solid var(--text);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
  margin-top: 8px;
}

.btn:hover {
  background: var(--text);
  color: var(--bg);
}

/* ================================================
   WORKSHOP PAGE
   ================================================ */

.workshop-layout {
  max-width: 640px;
  padding: 0 var(--pad-x) 100px;
}

.workshop-layout .page-header {
  padding-left: 0;
  padding-right: 0;
}

.workshop-body p {
  font-size: 15px;
  font-weight: 300;
  line-height: 1.85;
  margin-bottom: 22px;
  color: var(--text);
}

.workshop-body .section-title {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 40px 0 16px;
}

.workshop-cta {
  margin-top: 48px;
}

/* ================================================
   PRINTS PAGE
   ================================================ */

.prints-layout {
  padding: 100px var(--pad-x);
  text-align: center;
}

.prints-layout .page-header__title {
  margin-bottom: 24px;
}

.prints-layout p {
  font-size: 14px;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ================================================
   LIGHTBOX
   ================================================ */

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(35, 32, 28, 0.96);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.lightbox.open {
  display: flex;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  cursor: default;
}

.lightbox__close {
  position: absolute;
  top: 24px;
  right: 32px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  cursor: pointer;
  background: none;
  border: none;
  transition: color 0.2s;
}

.lightbox__close:hover { color: #fff; }

.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  background: none;
  border: none;
  padding: 20px;
  transition: color 0.2s;
}

.lightbox__prev { left: 12px; }
.lightbox__next { right: 12px; }
.lightbox__prev:hover,
.lightbox__next:hover { color: #fff; }

/* ================================================
   SCROLL FADE-IN
   ================================================ */

.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================
   RESPONSIVE
   ================================================ */

@media (max-width: 900px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .production-photos {
    grid-template-columns: 1fr;
  }

  .production-photos img {
    height: 320px;
  }
}

@media (max-width: 768px) {
  :root { --nav-h: 72px; }

  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav__mobile { display: flex; }

  .nav__logo img { height: 20px; }

  .home-grid,
  .photo-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 16px;
  }

  .home-hero { padding: 32px 20px 24px; }

  .page-header { padding: 40px 20px 28px; }

  .photo-section-label { padding: 36px 20px 16px; }

  .production-body { padding: 0 20px; }
  .production-photos { padding: 40px 20px; }
  .production-cta { padding: 0 20px 60px; }

  .about-layout { padding: 0 20px 60px; gap: 36px; }

  .contact-layout { padding: 0 20px 80px; }

  .workshop-layout { padding: 0 20px 80px; }

  /* prevent iOS auto-zoom on form focus */
  .form-input,
  .form-textarea { font-size: 16px; }

  /* ensure 44px touch target on burger */
  .nav__burger { padding: 12px 8px; }

  .footer {
    padding: 36px 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .footer__links {
    flex-direction: column;
    gap: 12px;
  }

  .btn { width: 100%; text-align: center; }
}

@media (max-width: 480px) {
  .home-grid,
  .photo-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
    padding: 0 8px;
  }

  .page-header__title { font-size: 28px; }

  .about-photos__row { grid-template-columns: 1fr; }

  .production-photos img { height: 260px; }
}