/* Sama Keramati — dark default + light theme */

:root,
[data-theme="dark"] {
  --paper: #121110;
  --paper-2: #181614;
  --ink: #efe8dc;
  --ink-soft: #d9d0c2;
  --muted: #9a9288;
  --line: rgba(239, 232, 220, 0.14);
  --copper: #c4895a;
  --copper-deep: #a86f42;
  --fog: #2a3236;
  --header-solid-bg: rgba(18, 17, 16, 0.88);
  --nav-panel-bg: rgba(18, 17, 16, 0.97);
  --card-bg: #1c1a17;
  --form-focus: var(--copper);
  --watermark: rgba(239, 232, 220, 0.05);
  --font-display: "Fraunces", "Times New Roman", serif;
  --font-ui: "Sora", system-ui, sans-serif;
  --space: clamp(1rem, 3vw, 2.75rem);
  --max: 1240px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: dark;
}

[data-theme="light"] {
  --paper: #e8e4dc;
  --paper-2: #f3efe6;
  --ink: #1c1a17;
  --ink-soft: #3d3832;
  --muted: #6b645c;
  --line: rgba(28, 26, 23, 0.12);
  --copper: #9a5b3c;
  --copper-deep: #7a4329;
  --fog: #c5cdd1;
  --header-solid-bg: rgba(243, 239, 230, 0.88);
  --nav-panel-bg: rgba(243, 239, 230, 0.97);
  --card-bg: #d6d0c6;
  --form-focus: var(--copper);
  --watermark: rgba(28, 26, 23, 0.05);
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 500px at 90% -5%, color-mix(in srgb, var(--fog) 45%, transparent), transparent 55%),
    radial-gradient(700px 420px at 0% 20%, color-mix(in srgb, var(--copper) 10%, transparent), transparent 50%),
    linear-gradient(180deg, var(--paper-2) 0%, var(--paper) 100%);
  background-attachment: fixed;
  font-family: var(--font-ui);
  font-size: clamp(1rem, 0.25vw + 0.95rem, 1.125rem);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.35s ease, color 0.35s ease;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--copper-deep);
}

.screen-reader-text,
.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
}

/* Header — floats over hero */

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 40;
  background: transparent;
  border: 0;
  color: #f4f0e8;
}

.home .site-header.is-solid,
.site-header.is-solid {
  position: sticky;
  top: 0;
  color: var(--ink);
  background: var(--header-solid-bg);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: transform 0.3s var(--ease), opacity 0.3s ease;
}

.theme-toggle:hover {
  transform: translateY(-1px);
  opacity: 0.85;
}

.theme-toggle svg {
  width: 1.05rem;
  height: 1.05rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-toggle .icon-sun {
  display: block;
}

.theme-toggle .icon-moon {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

.site-header__inner {
  width: min(100% - 2 * var(--space), var(--max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
}

.brand {
  text-decoration: none;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 560;
  font-style: italic;
  font-size: clamp(1.2rem, 1.4vw + 0.9rem, 1.65rem);
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.35rem;
}

.nav-list a {
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.78;
}

.nav-list a:hover,
.lang-switch a.is-active {
  opacity: 1;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.lang-switch a {
  text-decoration: none;
  opacity: 0.45;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 0.4rem;
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 1.4rem;
  height: 1.5px;
  background: currentColor;
  margin: 0.3rem 0;
}

/* Hero — one composition, brand-led */

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  isolation: isolate;
  color: #f4f0e8;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.hero__image,
.hero__fallback {
  width: 100%;
  height: 118%;
  object-fit: cover;
  transform: scale(1.04);
  will-change: transform;
}

.hero__fallback {
  background:
    linear-gradient(135deg, #6d7a7e 0%, #2d3436 48%, #1a1c1b 100%),
    repeating-linear-gradient(-12deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 14px);
}

.hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(18, 16, 14, 0.55) 0%, transparent 42%),
    linear-gradient(to top, rgba(12, 11, 10, 0.88) 0%, rgba(12, 11, 10, 0.2) 42%, rgba(12, 11, 10, 0.35) 100%);
  pointer-events: none;
}

.hero__grain {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  mix-blend-mode: soft-light;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero__content {
  width: min(100% - 2 * var(--space), var(--max));
  margin: 0 auto;
  padding: clamp(5rem, 14vh, 9rem) 0 clamp(2.5rem, 7vh, 4.5rem);
}

.hero__brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-style: italic;
  font-size: clamp(3.4rem, 11vw, 8.5rem);
  line-height: 0.88;
  letter-spacing: -0.045em;
  max-width: 11ch;
}

.hero__brand .word {
  display: inline-block;
  overflow: hidden;
}

.hero__brand .word span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 1.1s var(--ease);
}

.hero.is-ready .hero__brand .word span {
  transform: none;
}

.hero__brand .word:nth-child(2) span {
  transition-delay: 0.12s;
}

.hero__tagline {
  margin: 1.4rem 0 0;
  max-width: 28ch;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.15rem, 1.4vw + 0.9rem, 1.55rem);
  line-height: 1.35;
  color: rgba(244, 240, 232, 0.82);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.9s var(--ease) 0.35s, transform 0.9s var(--ease) 0.35s;
}

.hero.is-ready .hero__tagline {
  opacity: 1;
  transform: none;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.9s var(--ease) 0.5s, transform 0.9s var(--ease) 0.5s;
}

.hero.is-ready .hero__actions {
  opacity: 1;
  transform: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.7rem 1.4rem;
  border: 1px solid transparent;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform 0.4s var(--ease), background 0.35s ease, color 0.35s ease, border-color 0.35s ease;
}

.btn:hover {
  transform: translateY(-3px);
  color: inherit;
}

.btn--solid {
  background: var(--copper);
  border-color: var(--copper);
  color: #fff7f0;
}

.btn--solid:hover {
  background: var(--copper-deep);
  border-color: var(--copper-deep);
  color: #fff7f0;
}

.btn--ghost {
  border-color: rgba(244, 240, 232, 0.4);
  background: transparent;
  color: #f4f0e8;
}

.btn--ghost:hover {
  border-color: #f4f0e8;
  color: #f4f0e8;
}

.section .btn--ghost {
  border-color: var(--line);
  color: var(--ink);
}

.section .btn--ghost:hover {
  border-color: var(--ink);
}

/* Works — staggered masonry */

.section {
  width: min(100% - 2 * var(--space), var(--max));
  margin: 0 auto;
  padding: clamp(4rem, 10vh, 7rem) 0;
}

.section--works {
  width: 100%;
  max-width: none;
  padding-inline: var(--space);
}

.section--works .section__head,
.section--works .works-grid,
.section--works .works-more,
.section--works .empty-note {
  width: min(100%, var(--max));
  margin-inline: auto;
}

.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.section__head h1,
.section__head h2,
.page-article h1,
.page-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-style: italic;
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  letter-spacing: -0.03em;
  line-height: 1;
}

.text-link {
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.empty-note,
.muted-note,
.lede {
  color: var(--muted);
  max-width: 40ch;
}

.lede {
  margin: 1.25rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.5vw + 0.9rem, 1.6rem);
  line-height: 1.4;
  color: var(--ink-soft);
}

.works-grid {
  display: columns;
  columns: 3;
  column-gap: clamp(0.85rem, 1.8vw, 1.5rem);
}

.work-card {
  break-inside: avoid;
  margin: 0 0 clamp(0.85rem, 1.8vw, 1.5rem);
  position: relative;
}

.work-card:nth-child(3n + 2) {
  margin-top: 2.5rem;
}

.work-card:nth-child(3n) {
  margin-top: 1rem;
}

.work-card__link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.work-card__media {
  overflow: hidden;
  background: var(--card-bg);
  position: relative;
}

.work-card:nth-child(odd) .work-card__media {
  aspect-ratio: 3 / 4;
}

.work-card:nth-child(even) .work-card__media {
  aspect-ratio: 4 / 5;
}

.work-card:nth-child(5n) .work-card__media {
  aspect-ratio: 1 / 1;
}

.work-card__media img,
.work-card__placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease), filter 0.7s ease;
  filter: saturate(0.92) contrast(1.03);
}

.work-card__placeholder {
  min-height: 280px;
  background: linear-gradient(145deg, #d8d2c8, #b7b1a7);
}

.work-card__link:hover .work-card__media img {
  transform: scale(1.06);
  filter: saturate(1.05) contrast(1.06);
}

.work-card__body {
  position: absolute;
  inset: auto 0 0;
  padding: 2.5rem 0.9rem 0.85rem;
  background: linear-gradient(to top, rgba(18, 16, 14, 0.72), transparent);
  color: #f4f0e8;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}

.work-card__link:hover .work-card__body,
.work-card__link:focus-visible .work-card__body {
  opacity: 1;
  transform: none;
}

.work-card__body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  font-style: italic;
}

.work-card__body p {
  margin: 0.2rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.75;
}

.works-more {
  display: flex;
  justify-content: center;
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.works-more .btn {
  min-width: 10rem;
}

.about-split,
.page-shell {
  max-width: 42rem;
}

.page-shell.about-page,
.page-shell.contact-page,
.work-single {
  max-width: 52rem;
}

.section--about {
  position: relative;
}

.section--about::before {
  content: "SK";
  position: absolute;
  right: max(0px, calc((100vw - var(--max)) / 2 - 0.5rem));
  top: 1rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(6rem, 18vw, 14rem);
  line-height: 0.8;
  color: var(--watermark);
  pointer-events: none;
  user-select: none;
}

.work-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.work-figure {
  margin: 2rem 0;
}

.work-figure img {
  width: 100%;
}

.prose > *:first-child {
  margin-top: 0;
}

.contact-form {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
  max-width: 32rem;
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
}

.contact-form span {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  padding: 0.85rem 0;
  font: inherit;
  border-radius: 0;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-bottom-color: var(--form-focus);
}

.form-notice {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--copper);
  color: var(--copper-deep);
}

.contact-email {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.45rem;
}

.docs-block {
  margin-top: 2.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}

.docs-block__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
}

.docs-block__intro {
  margin: 0 0 1.5rem;
  color: var(--muted);
  max-width: 40ch;
}

.docs-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.docs-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.docs-list__meta {
  display: grid;
  gap: 0.25rem;
  min-width: 0;
}

.docs-list__kind {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.docs-list__title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  line-height: 1.3;
}

.docs-list__link {
  flex-shrink: 0;
  min-height: 2.4rem;
  padding: 0.45rem 1rem;
}

@media (max-width: 640px) {
  .docs-list__item {
    flex-direction: column;
    align-items: stretch;
  }

  .docs-list__link {
    align-self: flex-start;
  }
}

.about-actions,
.section .hero__actions {
  margin-top: 1.75rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 1rem;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--fog) 28%, transparent));
}

.site-footer__inner {
  width: min(100% - 2 * var(--space), var(--max));
  margin: 0 auto;
  padding: 3rem 0 3.5rem;
  display: grid;
  gap: 1.25rem;
}

.site-footer__brand p {
  margin: 0.55rem 0 0;
  color: var(--muted);
  max-width: 30ch;
  font-family: var(--font-display);
  font-style: italic;
}

.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.site-footer__meta a {
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}

.site-footer__copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

/* Motion */

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__brand .word span,
  .hero__tagline,
  .hero__actions,
  [data-reveal] {
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* Responsive */

@media (max-width: 980px) {
  .works-grid {
    columns: 2;
  }

  .work-card:nth-child(3n + 2),
  .work-card:nth-child(3n) {
    margin-top: 0;
  }

  .work-card:nth-child(even) {
    margin-top: 1.75rem;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    inset: 100% 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    padding: 1rem var(--space) 1.25rem;
    background: var(--nav-panel-bg);
    color: var(--ink);
    border-bottom: 1px solid var(--line);
  }

  .home .site-header:not(.is-solid) .site-nav {
    color: var(--ink);
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    gap: 0.85rem;
  }

  .works-grid {
    columns: 1;
  }

  .work-card:nth-child(even) {
    margin-top: 0;
  }

  .work-card__body {
    opacity: 1;
    transform: none;
  }

  .hero {
    min-height: 92svh;
  }
}