/* LUMEN STUDIO — minimal portfolio */

:root {
  --bg: #ffffff;
  --fg: #0a0a0a;
  --text: #3a3a3a;
  --text-strong: #1c1c1c;
  --muted: #6b6b6b;
  --muted-light: #9c9c9c;
  --line: #e8e8e8;
  --contact-bg: #f9f9f9;
  --font-size-body: 17px;
  --lh-body: 1.7;
  --font-size-h1: 56px;
  --font-size-h2: 40px;
  --track-h1: -0.02em;
  --track-h2: -0.01em;
  --track-h2-caps: 0.055em;
  --space-section: clamp(6rem, 14vw, 10.5rem);
  --space-gutter: clamp(1.25rem, 4vw, 3rem);
  --max-text: 40rem;
  --max-page: 72rem;
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --track-label: 0.2em;
  --track-nav: 0.17em;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--font-size-body);
  line-height: var(--lh-body);
  font-weight: 400;
  font-optical-sizing: auto;
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1 {
  margin: 0;
  font-size: var(--font-size-h1);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: var(--track-h1);
  font-optical-sizing: auto;
}

h2 {
  margin: 0;
  font-size: var(--font-size-h2);
  font-weight: 400;
  line-height: 1.22;
  letter-spacing: var(--track-h2);
  font-optical-sizing: auto;
  color: var(--fg);
}

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

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

a:hover {
  opacity: 0.72;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--space-gutter);
  background: var(--bg);
  border-bottom: 1px solid transparent;
}

.logo {
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--fg);
}

.nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav a {
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: var(--track-nav);
  color: var(--fg);
}

/* Desktop: make header text more readable without changing mobile */
@media (min-width: 768px) {
  .logo {
    font-size: 1rem;
  }

  .nav a {
    font-size: 0.875rem;
  }
}

/* Hero */

.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: flex-end;
  color: #fff;
}

.hero__media {
  position: absolute;
  inset: 0;
  background-color: #0a0a0a;
}

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(0, 0, 0, 0.72) 0%,
    rgba(0, 0, 0, 0.35) 55%,
    rgba(0, 0, 0, 0.2) 100%
  );
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-page);
  margin: 0 auto;
  padding: 4rem var(--space-gutter) clamp(3rem, 8vw, 5rem);
  width: 100%;
}

.hero__title {
  margin: 0 0 1.5rem;
  max-width: 18em;
  text-wrap: balance;
}

.hero__lead {
  margin: 0;
  max-width: 36em;
  font-size: var(--font-size-body);
  font-weight: 300;
  line-height: var(--lh-body);
  letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.88);
}

/* Sections */

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

.section__head {
  text-align: center;
  margin-bottom: clamp(2.75rem, 6vw, 4rem);
}

.section__head--narrow {
  max-width: var(--max-text);
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
}

.section__label {
  margin: 0 0 1.125rem;
  font-size: clamp(1.1875rem, 1.0625rem + 0.65vw, 1.5rem);
  font-weight: 400;
  letter-spacing: 0.14em;
  line-height: 1.45;
  color: var(--text-strong);
}

.section__label--center {
  text-align: center;
}

/* Work grid */

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  max-width: var(--max-page);
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.work-card {
  --work-ease: cubic-bezier(0.33, 1, 0.68, 1);
  --work-shade: rgba(6, 6, 6, 0.62);
  position: relative;
  display: block;
  aspect-ratio: 1;
  overflow: hidden;
  background: #f4f4f4;
}

.work-card img {
  position: relative;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  transform-origin: center center;
  filter: grayscale(0.1) contrast(1.02);
  transition:
    transform 0.75s var(--work-ease),
    filter 0.65s var(--work-ease);
}

.work-card__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1.25rem;
  text-align: center;
  background: var(--work-shade);
  opacity: 0;
  transition: opacity 0.55s var(--work-ease);
  pointer-events: none;
}

.work-card__category {
  display: block;
  max-width: 90%;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: var(--track-label);
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.58);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  transform: translate3d(0, 6px, 0);
  opacity: 0;
  transition:
    opacity 0.5s var(--work-ease) 0.04s,
    transform 0.55s var(--work-ease) 0.04s;
}

.work-card__title {
  display: block;
  max-width: 92%;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.38;
  letter-spacing: 0.015em;
  color: rgba(255, 255, 255, 0.96);
  text-wrap: balance;
  transform: translate3d(0, 8px, 0);
  opacity: 0;
  transition:
    opacity 0.5s var(--work-ease) 0.08s,
    transform 0.55s var(--work-ease) 0.08s;
}

.work-card:hover .work-card__overlay,
.work-card:focus-visible .work-card__overlay {
  opacity: 1;
}

.work-card:hover .work-card__category,
.work-card:focus-visible .work-card__category,
.work-card:hover .work-card__title,
.work-card:focus-visible .work-card__title {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.work-card:hover img,
.work-card:focus-visible img {
  transform: scale(1.035);
  filter: grayscale(0) contrast(1.03);
}

@media (prefers-reduced-motion: reduce) {
  .work-card img {
    transition-duration: 0.2s;
  }

  .work-card__overlay {
    transition-duration: 0.2s;
  }

  .work-card__category,
  .work-card__title {
    transition-duration: 0.15s;
    transition-delay: 0s;
  }

  .work-card:hover img,
  .work-card:focus-visible img {
    transform: scale(1);
  }
}

.work__cta-wrap {
  text-align: center;
  margin: clamp(3rem, 7vw, 4.25rem) 0 0;
}

.btn-ghost {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: var(--track-nav);
  border: 1px solid var(--fg);
  color: var(--fg);
}

.btn-ghost:hover {
  opacity: 1;
  background: var(--fg);
  color: var(--bg);
}

/* Showreel */

.showreel {
  padding-top: 0;
}

.showreel__embed {
  max-width: min(56rem, 100%);
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  background: #0a0a0a;
}

.showreel__embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.showreel__caption {
  margin: 1rem 0 0;
  text-align: center;
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: var(--track-label);
  line-height: var(--lh-body);
  color: var(--muted);
}

/* Clients */

.clients {
  padding-top: clamp(4rem, 10vw, 6.5rem);
}

.clients__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: clamp(1.75rem, 4vw, 3.25rem);
  max-width: 56rem;
  margin: 2rem auto 0;
  padding: 0;
  list-style: none;
}

.clients__row:empty {
  margin-top: 0;
}

.clients__item {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
}

.clients__item img {
  display: block;
  height: clamp(1.35rem, 2.8vw, 2rem);
  width: auto;
  max-width: min(7.5rem, 28vw);
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.72;
  transition: opacity 0.35s ease;
}

.clients__item a {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

.clients__item a:hover img,
.clients__item a:focus-visible img {
  opacity: 0.95;
}

/* About */

.about__heading {
  margin: 0 0 1.5rem;
  letter-spacing: var(--track-h2-caps);
  line-height: 1.24;
}

.about__text {
  margin: 0;
  font-size: var(--font-size-body);
  font-weight: 400;
  line-height: var(--lh-body);
  letter-spacing: 0.004em;
  color: var(--text);
}

/* Contact */

.contact {
  background: var(--contact-bg);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 4rem);
  max-width: var(--max-page);
  margin: 0 auto;
  align-items: start;
}

.contact__heading {
  margin: 0 0 1.25rem;
  letter-spacing: var(--track-h2-caps);
  line-height: 1.24;
}

.contact__intro {
  margin: 0 0 2rem;
  font-size: var(--font-size-body);
  font-weight: 400;
  line-height: var(--lh-body);
  letter-spacing: 0.006em;
  color: var(--text);
}

.contact__details {
  margin: 0;
}

.contact__details > div + div {
  margin-top: 1.5rem;
}

.contact__details dt {
  margin: 0 0 0.375rem;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  line-height: 1.45;
  color: var(--text-strong);
}

.contact__details dd {
  margin: 0;
  font-size: var(--font-size-body);
  font-weight: 400;
  line-height: var(--lh-body);
  letter-spacing: 0.004em;
  color: var(--text-strong);
}

.field {
  margin-bottom: 1.75rem;
}

.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  line-height: 1.45;
  color: var(--text-strong);
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.5rem 0;
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  font-family: inherit;
  font-size: var(--font-size-body);
  font-weight: 400;
  line-height: var(--lh-body);
  letter-spacing: 0.006em;
  color: var(--text-strong);
  border-radius: 0;
}

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

.field textarea {
  resize: vertical;
  min-height: 6rem;
}

.btn-link {
  margin-top: 0.5rem;
  padding: 0;
  border: none;
  background: none;
  font-family: inherit;
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: var(--track-nav);
  color: var(--fg);
  cursor: pointer;
}

.btn-link:hover {
  opacity: 0.72;
}

/* Footer */

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.75rem var(--space-gutter);
  border-top: 1px solid var(--line);
}

.logo--footer {
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--fg);
}

.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
}

.site-footer__meta a,
.site-footer__copy {
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: var(--track-label);
  line-height: var(--lh-body);
  color: var(--muted);
}

/* Responsive */

@media (max-width: 900px) {
  .contact__grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 520px) {
  .nav__list {
    gap: 1rem;
  }

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

  .hero__title {
    max-width: none;
  }

  .section__label {
    font-size: clamp(1.1875rem, 1.05rem + 1.2vw, 1.5rem);
    letter-spacing: 0.12em;
  }
}

@media (hover: none) and (pointer: coarse) {
  .section__label {
    font-size: clamp(1.25rem, 1.1rem + 1.15vw, 1.5625rem);
    letter-spacing: 0.1em;
  }
}