/* ========================================
   KAT ILLUSTRATES — Portfolio
   ======================================== */

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

:root {
  --bg: #faf9f7;
  --bg-alt: #f3f1ee;
  --text: #1a1a1a;
  --text-light: #6b6b6b;
  --text-muted: #999;
  --border: #e5e3df;
  --accent: #1a1a1a;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --space-2xl: 12rem;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ----------------------------------------
   NAV
   ---------------------------------------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 249, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

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

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.25rem 2.5rem;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav__links a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  position: relative;
  transition: color 0.3s ease;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--text);
  transition: width 0.3s ease;
}

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

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav__toggle.active span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.nav__toggle.active span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

/* ----------------------------------------
   HERO
   ---------------------------------------- */

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  padding-top: 4rem;
}

.hero__image-wrap {
  position: relative;
  overflow: hidden;
}

.hero__image {
  width: 100%;
  height: 100%;
  min-height: 100vh;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__placeholder {
  width: 100%;
  height: 100%;
  min-height: 100vh;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
  line-height: 1.8;
}

.hero__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-xl) var(--space-lg);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 7rem);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.hero__name {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: var(--space-sm);
}

.hero__meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ----------------------------------------
   SECTION HEADERS
   ---------------------------------------- */

.section-header {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding: 0 2.5rem;
  margin-bottom: var(--space-lg);
}

.section-number {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

/* ----------------------------------------
   COLLECTIONS GRID
   ---------------------------------------- */

.collections {
  padding: var(--space-2xl) 0 var(--space-xl);
}

.collections__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding: 0 2.5rem;
}

.collection-card {
  display: block;
  text-decoration: none;
  color: var(--text);
}

.collection-card__image-wrap {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--bg-alt);
  margin-bottom: 1rem;
}

.collection-card__image-wrap img {
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.collection-card:hover .collection-card__image-wrap img {
  transform: scale(1.02);
}

.collection-card:hover .collection-card__image-wrap {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

.collection-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
}

.collection-card__title {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ----------------------------------------
   ABOUT
   ---------------------------------------- */

.about {
  padding: var(--space-xl) 0;
}

.about__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  padding: 0 2.5rem;
}

.about__photo {
  position: relative;
  overflow: hidden;
  background: var(--bg-alt);
}

.about__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 4;
}

.about__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 540px;
}

.about__text p {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.9;
  color: var(--text-light);
  margin-bottom: 1.25rem;
}

.about__text p:first-child {
  font-size: 1.2rem;
  color: var(--text);
  font-weight: 700;
}

.about__text p:last-child {
  margin-bottom: 0;
  font-style: italic;
}

/* Video in gallery */
.gallery-item--video video {
  width: 100%;
  display: block;
}

/* ----------------------------------------
   CONTACT
   ---------------------------------------- */

.contact {
  padding: var(--space-xl) 0 var(--space-2xl);
}

.contact__intro {
  max-width: 540px;
  padding: 0 2.5rem;
  margin-bottom: var(--space-lg);
}

.contact__intro p {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.8;
  color: var(--text-light);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  padding: 0 2.5rem;
  margin-left: calc(2rem + 1.25rem);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 0.5rem;
}

.contact__link {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-light);
  transition: color 0.3s ease;
  width: fit-content;
}

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

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 420px;
}

.contact__form input,
.contact__form textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 300;
  padding: 0.85rem 0;
  border: none;
  border-bottom: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  outline: none;
  transition: border-color 0.3s ease;
}

.contact__form input::placeholder,
.contact__form textarea::placeholder {
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

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

.contact__form textarea {
  resize: vertical;
  min-height: 100px;
}

.contact__form button {
  align-self: flex-start;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.85rem 2.5rem;
  border: 1px solid var(--text);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
  margin-top: 0.5rem;
}

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

/* ----------------------------------------
   FOOTER
   ---------------------------------------- */

.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 2.5rem;
}

.footer__inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__brand {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
}

.footer__details {
  display: flex;
  gap: 2rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.footer__details a {
  transition: color 0.3s ease;
}

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

/* ----------------------------------------
   LIGHTBOX
   ---------------------------------------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(250, 249, 247, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text);
  cursor: pointer;
  line-height: 1;
  transition: opacity 0.3s ease;
}

.lightbox__close:hover {
  opacity: 0.5;
}

.lightbox__content {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  max-width: 1200px;
  max-height: 85vh;
  padding: 2rem;
}

.lightbox__content img {
  max-height: 80vh;
  max-width: 60vw;
  width: auto;
  height: auto;
  object-fit: contain;
}

.lightbox__info {
  max-width: 300px;
}

.lightbox__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.lightbox__meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}

.lightbox__desc {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ----------------------------------------
   FADE-IN ANIMATION
   ---------------------------------------- */

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ----------------------------------------
   COLLECTION PAGE — GALLERY
   ---------------------------------------- */

.gallery-header {
  padding: calc(4rem + var(--space-xl)) 2.5rem var(--space-lg);
}

.gallery-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.gallery-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  transition: color 0.3s ease;
}

.gallery-back:hover {
  color: var(--text);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 0 2.5rem var(--space-2xl);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-alt);
}

.gallery-item img {
  aspect-ratio: auto;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.gallery-item:hover img {
  transform: scale(1.02);
}

.gallery-item:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

.gallery-item__placeholder {
  aspect-ratio: 4 / 5;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Masonry-style variation for mixed aspect ratios */
.gallery-grid--masonry {
  columns: 3;
  column-gap: 1rem;
}

.gallery-grid--masonry .gallery-item {
  break-inside: avoid;
  margin-bottom: 1rem;
}

/* ----------------------------------------
   RESPONSIVE
   ---------------------------------------- */

@media (max-width: 1024px) {
  .collections__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid--masonry {
    columns: 2;
  }

  .contact__inner {
    grid-template-columns: 1fr;
    margin-left: 0;
    padding-left: 2.5rem;
  }

  .about__layout {
    grid-template-columns: 1fr;
    padding: 0 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav__inner {
    padding: 1rem 1.5rem;
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    flex-direction: column;
    background: var(--bg);
    padding: 6rem 2rem 2rem;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-left: 1px solid var(--border);
  }

  .nav__links.open {
    transform: translateX(0);
  }

  .nav__toggle {
    display: flex;
    z-index: 101;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero__image {
    min-height: 60vh;
  }

  .hero__placeholder {
    min-height: 60vh;
  }

  .hero__text {
    padding: var(--space-lg) 1.5rem;
  }

  .hero__title {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .section-header {
    padding: 0 1.5rem;
  }

  .collections {
    padding: var(--space-xl) 0 var(--space-lg);
  }

  .collections__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 0 1.5rem;
  }

  .collection-card__image-wrap {
    aspect-ratio: 3 / 4;
  }

  .about__layout {
    grid-template-columns: 1fr;
    padding: 0 1.5rem;
  }

  .about__photo img {
    aspect-ratio: 1 / 1;
    max-height: 400px;
  }

  .contact__intro {
    padding: 0 1.5rem;
  }

  .contact__inner {
    padding: 0 1.5rem;
  }

  .contact__form {
    max-width: 100%;
  }

  .gallery-header {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    padding: 0 1.5rem var(--space-xl);
  }

  .gallery-grid--masonry {
    columns: 1;
  }

  .footer__inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .footer__details {
    flex-wrap: wrap;
    justify-content: center;
  }

  .lightbox__content {
    flex-direction: column;
    padding: 1rem;
  }

  .lightbox__content img {
    max-width: 90vw;
    max-height: 55vh;
  }
}