/* ===== Sten Maaslieb — Photography & Film ===== */

:root {
  --bg: #0a0a0a;
  --bg-alt: #121212;
  --fg: #f2f0ea;
  --fg-dim: #9a968c;
  --accent: #d97b3f;
  --line: rgba(242, 240, 234, 0.12);
  --max-width: 1440px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}

img, video { display: block; max-width: 100%; }

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

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

h1, h2, h3 {
  font-family: 'Bebas Neue', 'Inter', sans-serif;
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  margin-bottom: 0.75rem;
}

.wrap {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ===== Nav ===== */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem var(--gutter);
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(10px);
  padding-block: 1rem;
  border-color: var(--line);
}

.nav__logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.4rem;
  letter-spacing: 0.08em;
}

.nav__links {
  display: flex;
  gap: 2.25rem;
  list-style: none;
}

.nav__links a {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  opacity: 0.85;
  transition: opacity 0.2s;
  position: relative;
}

.nav__links a:hover { opacity: 1; color: var(--accent); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 101;
}

.nav__toggle span {
  width: 26px;
  height: 2px;
  background: var(--fg);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

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

.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.55) saturate(1.05);
}

.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0.35) 0%, rgba(10,10,10,0.15) 40%, rgba(10,10,10,0.9) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 0 var(--gutter) 4.5rem;
  width: 100%;
}

.hero__title {
  font-size: clamp(3.2rem, 12vw, 9rem);
  color: var(--fg);
}

.hero__subtitle {
  margin-top: 1rem;
  max-width: 40ch;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: var(--fg-dim);
}

.hero__meta {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.hero__meta div span {
  display: block;
}

.hero__meta .num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  color: var(--accent);
}

.hero__meta .label {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.hero__scroll {
  position: absolute;
  right: var(--gutter);
  bottom: 2.5rem;
  z-index: 2;
  writing-mode: vertical-rl;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-dim);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero__scroll::after {
  content: '';
  width: 1px;
  height: 48px;
  background: var(--fg-dim);
  display: block;
  animation: scrollLine 2s var(--ease) infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== Section shell ===== */

section { position: relative; }

.section-pad { padding-block: clamp(4rem, 10vw, 8rem); }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  flex-wrap: wrap;
}

.section-head p {
  max-width: 42ch;
  color: var(--fg-dim);
}

/* reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ===== About ===== */

.about {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.about__text p {
  color: var(--fg-dim);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  max-width: 56ch;
}

.about__text strong { color: var(--fg); font-weight: 600; }

.about__img {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 2px;
}

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

/* ===== Filters ===== */

.filters {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--fg-dim);
  padding: 0.55rem 1.1rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  border-radius: 999px;
  transition: all 0.25s var(--ease);
}

.filter-btn:hover { color: var(--fg); border-color: var(--fg-dim); }

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0a0a;
}

/* ===== Gallery ===== */

.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.gallery__item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-alt);
  grid-column: span 2;
  aspect-ratio: 4 / 5;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.gallery__item.wide { grid-column: span 4; aspect-ratio: 16/9; }
.gallery__item.tall { aspect-ratio: 3/4.4; }

.gallery__item.hidden { display: none; }

.gallery__item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s var(--ease), filter 0.6s var(--ease);
  filter: saturate(0.94) brightness(0.96);
}

.gallery__item:hover img {
  transform: scale(1.045);
  filter: saturate(1.05) brightness(1);
}

.gallery__caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1.1rem 1.2rem;
  background: linear-gradient(0deg, rgba(0,0,0,0.75), transparent);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.gallery__item:hover .gallery__caption { opacity: 1; transform: translateY(0); }

.gallery__caption .tag {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 0.2rem;
}

.gallery__caption .title { font-size: 0.9rem; font-weight: 600; }

/* ===== Services ===== */

.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service {
  background: var(--bg);
  padding: clamp(1.75rem, 3vw, 2.75rem);
  transition: background 0.3s var(--ease);
}

.service:hover { background: var(--bg-alt); }

.service .num {
  font-family: 'Bebas Neue', sans-serif;
  color: var(--accent);
  font-size: 1rem;
  letter-spacing: 0.08em;
}

.service h3 {
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  margin: 0.9rem 0 1rem;
}

.service p { color: var(--fg-dim); margin-bottom: 1.25rem; }

.service ul { list-style: none; color: var(--fg-dim); font-size: 0.9rem; }
.service li { padding: 0.35rem 0; border-top: 1px solid var(--line); }
.service li:first-child { border-top: none; }

/* ===== Reel / Video ===== */

.reel {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.reel__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.reel__item {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  cursor: pointer;
  border-radius: 2px;
}

.reel__item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s var(--ease);
  filter: brightness(0.8);
}

.reel__item:hover img { transform: scale(1.05); }

.reel__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.reel__play span {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 1.5px solid rgba(242,240,234,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
  backdrop-filter: blur(4px);
}

.reel__item:hover .reel__play span {
  transform: scale(1.12);
  background: var(--accent);
  border-color: var(--accent);
}

.reel__play svg { width: 16px; height: 16px; fill: var(--fg); margin-left: 2px; }

.reel__label {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1rem 1.1rem;
  background: linear-gradient(0deg, rgba(0,0,0,0.8), transparent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ===== Contact ===== */

.contact {
  text-align: center;
}

.contact__title {
  font-size: clamp(2.75rem, 9vw, 6.5rem);
}

.contact__title a { transition: color 0.3s; }
.contact__title a:hover { color: var(--accent); }

.contact__links {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.contact__links a {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--fg-dim);
  border-bottom: 1px solid transparent;
  padding-bottom: 3px;
  transition: color 0.25s, border-color 0.25s;
}

.contact__links a:hover { color: var(--accent); border-color: var(--accent); }

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

footer {
  border-top: 1px solid var(--line);
  padding: 1.75rem var(--gutter);
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--fg-dim);
  letter-spacing: 0.04em;
  flex-wrap: wrap;
  gap: 0.5rem;
}

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

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(6, 6, 6, 0.96);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}

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

.lightbox.video-mode .lightbox__nav { display: none; }

.lightbox video { width: min(92vw, 1400px); background: #000; }

.lightbox img, .lightbox video {
  max-width: min(92vw, 1400px);
  max-height: 88vh;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}

.lightbox__caption {
  position: absolute;
  bottom: 2rem;
  left: 0; right: 0;
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.lightbox__close, .lightbox__nav {
  position: absolute;
  background: none;
  border: none;
  color: var(--fg);
  cursor: pointer;
  z-index: 2;
}

.lightbox__close {
  top: 1.75rem; right: var(--gutter);
  font-size: 1.6rem;
}

.lightbox__nav {
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.2rem;
  padding: 1rem;
  opacity: 0.6;
  transition: opacity 0.2s;
}
.lightbox__nav:hover { opacity: 1; }
.lightbox__nav.prev { left: clamp(0.5rem, 3vw, 2rem); }
.lightbox__nav.next { right: clamp(0.5rem, 3vw, 2rem); }

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

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__toggle { display: flex; }

  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: var(--bg);
    align-items: center;
    justify-content: center;
    gap: 2rem;
    z-index: 100;
  }
  .nav__links.open a { font-size: 1.1rem; }

  .about__grid { grid-template-columns: 1fr; }
  .about__img { order: -1; aspect-ratio: 16/10; }

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

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

  .gallery__item { grid-column: span 4; }
  .gallery__item.wide { grid-column: span 4; }

  .hero__meta { gap: 1.5rem; }

  footer { flex-direction: column; text-align: center; }
  .contact__links { gap: 1.5rem; }
}

@media (max-width: 560px) {
  .reel__grid { grid-template-columns: 1fr; }
}

/* prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transition: none; opacity: 1; transform: none; }
  .hero__scroll::after { animation: none; }
}