/* ===============================
   Design Tokens
================================= */

:root {
  --color-bg: #101010;
  --color-surface: #171717;
  --color-surface-soft: #202020;
  --color-text: #f5f2ec;
  --color-muted: #b8b3aa;
  --color-accent: #ff8f2b;
  --color-border: rgba(255, 255, 255, 0.12);

  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --container: 1180px;
  --radius: 1.25rem;
  --shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.28);

  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 5rem;

  scroll-behavior: smooth;
}

/* ===============================
   Reset / Base
================================= */

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

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(255, 143, 43, 0.18), transparent 28rem),
    linear-gradient(180deg, #141414 0%, var(--color-bg) 48rem);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.is-nav-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 100;
  padding: var(--space-2) var(--space-3);
  color: #111;
  background: var(--color-accent);
  border-radius: 999px;
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-7);
}

.eyebrow {
  margin: 0 0 var(--space-2);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1,
h2 {
  line-height: 1.05;
  letter-spacing: -0.04em;
}

h1 {
  max-width: 11ch;
  margin-bottom: var(--space-3);
  font-size: clamp(3.25rem, 10vw, 8.5rem);
}

h2 {
  margin-bottom: var(--space-3);
  font-size: clamp(2rem, 5vw, 4rem);
}

p {
  color: var(--color-muted);
}

/* ===============================
   Header / Navigation
================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(16, 16, 16, 0.78);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition:
    background 180ms ease,
    border-color 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(16, 16, 16, 0.95);
  border-color: var(--color-border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5rem;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  width: clamp(8rem, 16vw, 12rem);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav a {
  color: var(--color-muted);
  transition: color 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--color-text);
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  color: var(--color-text);
  background: transparent;
  border: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.65rem;
  height: 2px;
  margin: 0.32rem auto;
  background: currentColor;
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(0.44rem) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-0.44rem) rotate(-45deg);
}

/* ===============================
   Hero
================================= */

.hero {
  display: grid;
  min-height: calc(100svh - 5rem);
  place-items: center;
  padding-block: var(--space-7);
}

.hero-grid {
  display: grid;
  gap: var(--space-6);
}

.hero-copy {
  max-width: 48rem;
}

.hero-subtitle {
  margin-bottom: var(--space-5);
  font-size: clamp(1.2rem, 2.2vw, 1.8rem);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding-inline: var(--space-4);
  font-weight: 800;
  color: #111;
  background: var(--color-accent);
  border-radius: 999px;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 1rem 2rem rgba(255, 143, 43, 0.2);
}

/* ===============================
   Work Grid
================================= */

.section-intro {
  max-width: 42rem;
  margin-bottom: var(--space-5);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.work-card {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.work-card__button {
  display: block;
  width: 100%;
  padding: 0;
  background: transparent;
  border: 0;
  cursor: zoom-in;
}

.work-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition:
    transform 300ms ease,
    opacity 300ms ease;
}

.work-card:hover img {
  transform: scale(1.025);
  opacity: 0.88;
}

.work-card figcaption {
  position: absolute;
  right: var(--space-3);
  bottom: var(--space-3);
  left: var(--space-3);
  display: inline-flex;
  width: fit-content;
  max-width: calc(100% - 2rem);
  padding: 0.45rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(16, 16, 16, 0.78);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  backdrop-filter: blur(12px);
}


/* ===============================
   Case Studies
================================= */

.case-studies-section {
  background:
    radial-gradient(circle at top right, rgba(255, 143, 43, 0.12), transparent 30rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent);
}

.case-study-card {
  position: relative;
  display: grid;
  min-height: clamp(22rem, 48vw, 34rem);
  overflow: hidden;
  isolation: isolate;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.case-study-card::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background:
    linear-gradient(90deg, rgba(16, 16, 16, 0.86), rgba(16, 16, 16, 0.28) 58%, rgba(16, 16, 16, 0.12)),
    linear-gradient(0deg, rgba(16, 16, 16, 0.34), transparent);
  pointer-events: none;
}

.case-study-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition:
    transform 500ms ease,
    opacity 500ms ease;
}

.case-study-card:hover img,
.case-study-card:focus-visible img {
  transform: scale(1.045);
  opacity: 0.88;
}

.case-study-card__content {
  position: relative;
  z-index: 2;
  align-self: end;
  max-width: 38rem;
  padding: clamp(1.5rem, 5vw, 4rem);
}

.case-study-card__content h3 {
  margin: 0 0 var(--space-4);
  font-size: clamp(2.25rem, 6vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.case-study-card__content span {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  padding-inline: var(--space-4);
  font-size: 0.85rem;
  font-weight: 900;
  color: #111;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--color-accent);
  border-radius: 999px;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease;
}

.case-study-card:hover .case-study-card__content span,
.case-study-card:focus-visible .case-study-card__content span {
  transform: translateY(-2px);
  box-shadow: 0 1rem 2rem rgba(255, 143, 43, 0.2);
}

/* ===============================
   Content Sections
================================= */

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: var(--space-6);
  align-items: start;
}

.prose,
.contact-links {
  padding: var(--space-5);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.prose p {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(1.05rem, 1.4vw, 1.35rem);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding-inline: var(--space-4);
  font-weight: 800;
  color: var(--color-text);
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition:
    color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.contact-links a:hover {
  color: var(--color-accent);
  border-color: rgba(255, 143, 43, 0.6);
  transform: translateY(-2px);
}

/* ===============================
   Footer
================================= */

.site-footer {
  padding-block: var(--space-5);
  color: var(--color-muted);
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: 0.9rem;
}

.footer-wrap p {
  margin: 0;
}

.footer-wrap a {
  font-weight: 700;
}

/* ===============================
   Lightbox
================================= */

body.lightbox-open {
  overflow: hidden;
}

.lightbox {
  position: fixed;
  inset: 0;
  width: 100vw;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 72px 72px 56px;
  color: var(--color-text);
  background: rgba(0, 0, 0, 0.92);
  border: 0;
  opacity: 0;
  transform: scale(0.985);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.lightbox[open] {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  place-items: center;
  opacity: 1;
  transform: scale(1);
}

.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
}

.lightbox__stage {
  width: min(100%, 1400px);
  height: 100%;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.lightbox__image {
  width: 100%;
  height: 100%;
  max-height: calc(100dvh - 140px);
  object-fit: contain;
  user-select: none;
}

.lightbox__close,
.lightbox__nav {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  cursor: pointer;
  transition:
    background 160ms ease,
    transform 160ms ease;
}

.lightbox__close:hover,
.lightbox__close:focus-visible,
.lightbox__nav:hover,
.lightbox__nav:focus-visible {
  background: rgba(255, 255, 255, 0.22);
}

.lightbox__close {
  top: 20px;
  right: 22px;
  width: 46px;
  height: 46px;
  font-size: 2rem;
  line-height: 1;
  border-radius: 50%;
}

.lightbox__nav {
  top: 50%;
  width: 54px;
  height: 78px;
  font-size: 2.25rem;
  line-height: 1;
  border-radius: 0.65rem;
  transform: translateY(-50%);
}

.lightbox__nav:hover,
.lightbox__nav:focus-visible {
  transform: translateY(-50%) scale(1.04);
}

.lightbox__nav--prev {
  left: 20px;
}

.lightbox__nav--next {
  right: 20px;
}

.lightbox__meta {
  position: absolute;
  left: 50%;
  bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin: 0;
  color: #fff;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-align: center;
  transform: translateX(-50%);
}

.lightbox__counter::before {
  content: "•";
  margin-inline-end: var(--space-2);
  opacity: 0.6;
}


/* ===============================
   Motion
================================= */

.reveal {
  opacity: 0;
  transform: translateY(1rem);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

/* ===============================
   Responsive
================================= */

@media (min-width: 1180px) {
  .work-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  :root {
    --space-7: 3.5rem;
  }

  body.is-nav-open {
    overflow: hidden;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 5rem 0 auto;
    display: grid;
    gap: 0;
    padding: var(--space-3);
    background: rgba(16, 16, 16, 0.98);
    border-bottom: 1px solid var(--color-border);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.75rem);
    transition:
      opacity 180ms ease,
      transform 180ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: var(--space-3);
    border-radius: 0.75rem;
  }

  .site-nav a:hover {
    background: var(--color-surface-soft);
  }

  .hero {
    min-height: auto;
    place-items: start;
  }

  .work-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .prose,
  .contact-links {
    padding: var(--space-4);
  }

  .footer-wrap {
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }

  .case-study-card {
    min-height: 26rem;
  }

  .case-study-card::after {
    background:
      linear-gradient(0deg, rgba(16, 16, 16, 0.9), rgba(16, 16, 16, 0.24)),
      linear-gradient(90deg, rgba(16, 16, 16, 0.32), transparent);
  }

  .case-study-card__content {
    align-self: end;
  }


  .lightbox {
    padding: 66px 14px 54px;
  }

  .lightbox__stage {
    width: 100%;
  }

  .lightbox__nav {
    top: auto;
    bottom: 14px;
    width: 44px;
    height: 44px;
    font-size: 1.5rem;
    border-radius: 50%;
    transform: none;
  }

  .lightbox__nav:hover,
  .lightbox__nav:focus-visible {
    transform: scale(1.04);
  }

  .lightbox__nav--prev {
    left: 16px;
  }

  .lightbox__nav--next {
    right: 16px;
  }

  .lightbox__meta {
    bottom: 26px;
    max-width: calc(100% - 120px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}