/* ==========================================================================
   Abstre Films — style.css
   Mobil öncelikli. Renkler, fontlar ve ölçüler :root içindeki değişkenlerden
   yönetilir.
   ========================================================================== */

:root {
  /* Renkler */
  --black: #0a0a09;
  --surface: #2b2620; /* koyu krem: panel zemini */
  --cream: #e6dcc8;
  --offwhite: #f2efe9;
  --muted: #8b857b;
  --line: rgba(230, 220, 200, 0.14);

  /* Tipografi */
  --font-display: "Anton", "Impact", "Arial Narrow", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Ölçüler */
  --gutter: 16px;
  --header-h: 68px;
  --section-space: clamp(6rem, 16vw, 12rem);
  --max-w: 1440px;

  /* Grain (film greni) — yoğunluk buradan ayarlanır */
  --grain-opacity: 0.26;
  /* Piksel düzeyinde film greni: açık ve koyu ince noktacıklar (256px, retina için 128px gösterilir) */
  --grain: url("../assets/img/grain.webp");
  --grain-size: 128px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  /* Katman sırası */
  --z-grain: 100;
  --z-above: 110;
  --z-header: 120;
}

@media (min-width: 900px) {
  :root {
    --gutter: 48px;
    --header-h: 96px;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--offwhite);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, iframe { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p, figure { margin: 0; }

::selection { background: var(--cream); color: var(--black); }

:focus-visible { outline: 1px solid var(--cream); outline-offset: 4px; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: fixed; top: 8px; left: 8px; z-index: 200;
  padding: .5rem 1rem;
  background: var(--cream); color: var(--black);
  transform: translateY(-150%);
  transition: transform .2s;
}
.skip-link:focus { transform: none; }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- Film greni ----------
   Tüm sayfanın üstünde sabit duran, nokta nokta kamera greni.
   Header, footer, hero videosu ve hakkımızda fotoğrafı --z-above ile
   bu katmanın üstüne çıkar; bu alanlarda gren görünmez.
   Düşük kare hızıyla (steps) titrer; "hareketi azalt" tercihinde durur. */
body::after {
  content: "";
  position: fixed;
  inset: -50%;
  z-index: var(--z-grain);
  pointer-events: none;
  background-image: var(--grain);
  background-size: var(--grain-size);
  opacity: var(--grain-opacity);
  animation: grain 1s steps(8) infinite;
}

@keyframes grain {
  0%   { transform: translate(0, 0); }
  12%  { transform: translate(-6%, 4%); }
  25%  { transform: translate(5%, -7%); }
  37%  { transform: translate(-3%, 9%); }
  50%  { transform: translate(8%, 2%); }
  62%  { transform: translate(-9%, -4%); }
  75%  { transform: translate(3%, 7%); }
  87%  { transform: translate(-5%, -8%); }
  100% { transform: translate(0, 0); }
}

/* Tek renk yüzeyler ve butonlar için ek, daha yoğun gren katmanı */
.grain { position: relative; isolation: isolate; }
.grain::before {
  background-size: var(--grain-size);
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: var(--grain);
  opacity: .14;
  border-radius: inherit;
}

/* ---------- Ortak parçalar ---------- */
.eyebrow {
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

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

/* Büyük başlık, altındaki panelin üst kenarına taşar */
.section-title {
  position: relative;
  z-index: 2;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3.4rem, 15vw, 11rem);
  line-height: .94;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: -.32em;
  padding-top: .12em;
  pointer-events: none;
}

.panel {
  /* Koyu krem zeminde okunabilirlik için ikincil renkler bir ton açılır */
  --muted: #a69d8e;
  --line: rgba(230, 220, 200, 0.18);
  background: var(--surface);
  padding: clamp(3.5rem, 9vw, 7rem) var(--gutter) clamp(2.5rem, 6vw, 5rem);
  margin: 0 calc(var(--gutter) * -1);
}

@media (min-width: 900px) {
  .panel { margin: 0; padding-left: clamp(2rem, 5vw, 5rem); padding-right: clamp(2rem, 5vw, 5rem); }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  padding: 1.1rem 2.4rem;
  border: 0;
  background: var(--cream);
  color: var(--black);
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color .4s var(--ease), color .4s var(--ease);
}
.btn::before { opacity: .55; }
.btn:hover { background: var(--offwhite); }
.btn[disabled] { opacity: .6; cursor: progress; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
  background: var(--black);
}

.brand {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: .8rem;
}
.brand__logo { width: 40px; height: 30px; object-fit: cover; }
.brand__name {
  font-size: .62rem;
  font-weight: 400;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .4s var(--ease);
}
.brand:hover .brand__name { color: var(--cream); }

.site-nav a {
  font-family: var(--font-display);
  text-transform: uppercase;
  color: var(--offwhite);
  transition: color .3s var(--ease), opacity .3s var(--ease);
}
.site-nav a:hover { color: var(--cream); }

/* Mobil menü */
.menu-toggle {
  position: relative;
  z-index: 2;
  background: none;
  border: 0;
  padding: .5rem 0;
  color: var(--offwhite);
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
}

.site-nav {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  padding: var(--header-h) var(--gutter) 3.5rem;
  background: var(--black);
  opacity: 0;
  visibility: hidden;
  transition: opacity .5s var(--ease), visibility 0s linear .5s;
}
.site-nav.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity .5s var(--ease);
}
.site-nav__list a {
  display: block;
  font-size: clamp(2.8rem, 13vw, 5rem);
  line-height: 1.05;
}

@media (min-width: 900px) {
  .menu-toggle { display: none; }
  .site-nav {
    position: static;
    padding: 0;
    background: none;
    opacity: 1;
    visibility: visible;
  }
  .site-nav__list { display: flex; gap: clamp(2rem, 4vw, 4rem); }
  .site-nav__list a { font-size: 1.35rem; line-height: 1; }
  .brand__logo { width: 48px; height: 36px; }
}

body.menu-open { overflow: hidden; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: var(--header-h);
}

.hero__frame {
  position: relative;
  z-index: var(--z-above);
  aspect-ratio: 16 / 9;
  margin: 0 var(--gutter);
  overflow: hidden;
  background: var(--black);
  container-type: size;
}

/* Sloganın okunması için alt kenarda hafif karartma */
.hero__frame::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 45%;
  background: linear-gradient(to top, rgba(10, 10, 9, .55), transparent);
  pointer-events: none;
}

.hero__poster,
.hero__video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.hero__poster { width: 100%; height: 100%; object-fit: cover; }

/* Çerçeve 16:9; video orijinal haliyle, kırpılmadan gösterilir */
.hero__video {
  width: 100%;
  height: 100%;
  border: 0;
  opacity: 0;
  transition: opacity 1.6s var(--ease);
  pointer-events: none;
}
.hero__video.is-playing { opacity: 1; }

.hero__slogan {
  --size: clamp(4rem, 19.5vw, 17.5rem);
  position: relative;
  z-index: calc(var(--z-above) + 1);
  padding: 0 var(--gutter);
  margin-top: calc(var(--size) * -0.52);
  font-family: var(--font-display);
  font-size: var(--size);
  line-height: .86;
  text-transform: uppercase;
  color: var(--offwhite);
  letter-spacing: -.005em;
  white-space: nowrap;
  animation: fade-up 1.4s var(--ease) .2s both;
}

@media (min-width: 900px) {
  /* Genişlik, 16:9 çerçeve + slogan ekrana sığacak şekilde sınırlanır */
  .hero__frame {
    width: min(100% - var(--gutter) * 4, (100svh - var(--header-h) - clamp(4rem, 9vw, 8rem)) * 16 / 9);
    margin: 0 auto;
  }
  .hero__slogan { padding: 0 var(--gutter); }
}

/* ---------- Neler Yapıyoruz ---------- */
.service-list { counter-reset: none; }

.service {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  column-gap: 1rem;
  row-gap: .35rem;
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
}
.service:first-child { border-top: 0; padding-top: 0; }

.service__num {
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--muted);
  padding-top: .6em;
}
.service__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.9rem, 7vw, 3.6rem);
  line-height: 1;
  text-transform: uppercase;
  color: var(--offwhite);
  transition: color .4s var(--ease), transform .6s var(--ease);
}
.service__text {
  grid-column: 2;
  max-width: 32rem;
  color: var(--muted);
  font-size: .95rem;
}

@media (hover: hover) {
  .service:hover .service__title { color: var(--cream); transform: translateX(.4rem); }
}

@media (min-width: 900px) {
  .service {
    grid-template-columns: 4rem minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: baseline;
    padding: 2rem 0;
  }
  .service__text { grid-column: 3; }
}

.clients {
  margin-top: clamp(3rem, 7vw, 5rem);
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.clients__label {
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}
.clients__list {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3.4vw, 1.6rem);
  text-transform: uppercase;
  color: var(--cream);
}
.clients__list li:not(:last-child)::after {
  content: "·";
  margin-left: 1.4rem;
  color: var(--muted);
}

/* ---------- Hakkımızda ----------
   Ana fotoğraf ortada; altı küçük kare onun sol, üst ve alt kenarlarına
   binerek iç içe bir kompozisyon kurar. Sağ taraf boş bırakılır: başlık
   oradan ana fotoğrafın üzerine taşar. Konumlar kompozisyon kutusunun
   yüzdesiyle verilir, her ekran boyutunda aynı oranda ölçeklenir. */
.about__media {
  position: relative;
  z-index: var(--z-above);
  aspect-ratio: 100 / 98;
}
.about__media figure { position: absolute; }
.about__media img { width: 100%; }

/* Mobil: başlık alta indiği için ana fotoğraf sağ kenara kadar uzanır */
.cluster__main { left: 14%; top: 14%; width: 86%; }
.cluster__main img { aspect-ratio: 4 / 3; object-fit: cover; }
.cluster__main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 55%, rgba(10, 10, 9, .6));
  pointer-events: none;
}

.cluster__item { z-index: 1; box-shadow: 0 12px 40px rgba(0, 0, 0, .45); }
.cluster__item--cloak  { left: 0;   top: 4%;  width: 26%; }
.cluster__item--rain   { left: 42%; top: 0;   width: 34%; }
.cluster__item--above  { left: 0;   top: 40%; width: 20%; }
.cluster__item--studio { left: 4%;  top: 68%; width: 15%; }
.cluster__item--log    { left: 24%; top: 74%; width: 40%; }
.cluster__item--lights { left: 70%; top: 72%; width: 24%; }

.about__content {
  position: relative;
  z-index: calc(var(--z-above) + 1);
  margin-top: 2.5rem;
}
.about__content .eyebrow { color: var(--cream); opacity: .8; }

.about__lead {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.5rem, 11vw, 6.2rem);
  line-height: 1.02;
  text-transform: uppercase;
  color: var(--offwhite);
  margin-bottom: 2rem;
}

.about__text {
  max-width: 34rem;
  color: #bdb6aa;
}
.about__text p + p { margin-top: 1.1rem; }

@media (min-width: 900px) {
  .about__grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: center;
  }
  .about__media { grid-column: 1 / 9; grid-row: 1; aspect-ratio: 100 / 90; }
  /* Masaüstü: sağ taraf, fotoğrafın üzerine taşan başlığa bırakılır */
  .cluster__main         { left: 16%; top: 15%; width: 70%; }
  .cluster__item--cloak  { left: 0;   top: 6%;  width: 22%; }
  .cluster__item--rain   { left: 36%; top: 0;   width: 30%; }
  .cluster__item--above  { left: 3%;  top: 40%; width: 17%; }
  .cluster__item--studio { left: 7%;  top: 70%; width: 13%; }
  .cluster__item--log    { left: 25%; top: 72%; width: 34%; }
  .cluster__item--lights { left: 63%; top: 68%; width: 17%; }
  .about__content { grid-column: 7 / 13; grid-row: 1; margin-top: 0; }
  .about__lead { max-width: 11ch; }
  .about__text { margin-left: calc(100% / 8 * 2); }
}

/* ---------- İletişim ---------- */
.contact-info { display: grid; }
.contact-info li {
  padding: 1.4rem 0;
  border-top: 1px solid var(--line);
}
.contact-info li:first-child { border-top: 0; padding-top: 0; }
.contact-info__label {
  display: block;
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .3rem;
}
.contact-info a,
.contact-info span:not(.contact-info__label) {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 6vw, 2.8rem);
  line-height: 1.15;
  color: var(--offwhite);
  word-break: break-word;
  transition: color .3s var(--ease);
}
.contact-info a:hover { color: var(--cream); }

/* Masaüstü: 2×2 düzen */
@media (min-width: 900px) {
  .contact-info {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(3rem, 8vw, 8rem);
  }
  .contact-info li:nth-child(-n + 2) { border-top: 0; padding-top: 0; }
  .contact-info li:nth-child(n + 3) { padding-bottom: 0; }
  /* E-posta adresi tek satırda kalsın */
  .contact-info a,
  .contact-info span:not(.contact-info__label) {
    font-size: clamp(1.5rem, 3.2vw, 2.8rem);
    white-space: nowrap;
  }
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  z-index: var(--z-above);
  margin-top: clamp(5rem, 12vw, 9rem);
  padding-bottom: 2.5rem;
  background: var(--black);
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.site-footer__copy { font-size: .8rem; color: var(--muted); letter-spacing: .04em; }
.social { display: flex; gap: 1.25rem; }
.social a { display: block; color: var(--muted); transition: color .3s var(--ease); }
.social a:hover { color: var(--cream); }

/* ---------- Kaydırınca beliren öğeler ---------- */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: none; }
}

.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1.2s var(--ease), transform 1.2s var(--ease);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Hareketi azalt tercihi ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}