/* =========================================================
   AKS Reklam & Mimari — Kurumsal Site Stilleri
   Yapı:  1) Değişkenler  2) Reset  3) Tipografi  4) Bileşenler
          5) Bölümler     6) Sayfalar 7) Responsive
   ========================================================= */

/* ---------- 1) Değişkenler ---------- */
:root {
  --ink:        #0C0D10;
  --ink-2:      #14161B;
  --ink-3:      #1D2027;
  --paper:      #F2EFE9;
  --paper-dim:  #A7A49D;
  --signal:     #FF4A17;
  --signal-dim: #C13509;
  --blueprint:  #7FA3CC;
  --line:       rgba(242, 239, 233, .12);
  --line-soft:  rgba(242, 239, 233, .06);

  --font-display: "Anton", "Arial Narrow", sans-serif;
  --font-body:    "Barlow", "Helvetica Neue", sans-serif;
  --font-mono:    "Barlow Condensed", "Arial Narrow", sans-serif;

  --wrap: 1280px;
  --gut: clamp(20px, 4vw, 64px);
  --ease: cubic-bezier(.2, .8, .2, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* ---------- 2) Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }

/* Arka plan dokusu: mimari ızgara + grain */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: "";
  position: fixed; inset: 0;
  opacity: .035;
  pointer-events: none;
  z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}
main, header, footer { position: relative; z-index: 2; }

/* ---------- 3) Tipografi ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: .5px;
  line-height: .95;
  margin: 0;
  text-transform: uppercase;
}
h1 { font-size: clamp(42px, 8vw, 104px); }
h2 { font-size: clamp(32px, 5vw, 64px); }
h3 { font-size: clamp(22px, 2.4vw, 30px); }
p  { margin: 0 0 1em; }
.lead { font-size: clamp(18px, 2vw, 22px); color: var(--paper-dim); max-width: 60ch; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--signal);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.eyebrow::before {
  content: "";
  width: 36px; height: 1px;
  background: var(--signal);
}
.text-signal { color: var(--signal); }
.text-outline {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--paper-dim);
}

/* ---------- 4) Bileşenler ---------- */
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .18em;
  text-transform: uppercase;
  border: 1px solid var(--paper);
  transition: background .3s var(--ease-out), color .3s var(--ease-out), border-color .3s;
}
.btn:hover { background: var(--paper); color: var(--ink); }
.btn--signal { background: var(--signal); border-color: var(--signal); color: #fff; }
.btn--signal:hover { background: transparent; color: var(--signal); }
.btn svg { width: 16px; height: 16px; }

/* Duotone görsel çerçevesi — stok fotoğrafları marka rengine oturtur */
.shot { position: relative; overflow: hidden; background: var(--ink-2); }
.shot img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  transition: transform .9s var(--ease-out), filter .6s;
}
.shot::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(150deg, rgba(255, 74, 23, .34), rgba(12, 13, 16, .72));
  mix-blend-mode: multiply;
  transition: opacity .5s;
}
.shot:hover img { transform: scale(1.05); filter: grayscale(.2) contrast(1.05); }
.shot:hover::after { opacity: .35; }

.tag {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: 5px 12px;
  border: 1px solid var(--line);
  color: var(--paper-dim);
}

/* Bölüm başlığı bloğu */
.sec-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 32px;
  padding-bottom: 36px;
  margin-bottom: 56px;
  border-bottom: 1px solid var(--line);
}

/* ---------- Header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 100;
  background: rgba(12, 13, 16, .86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-head__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; height: 78px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo__mark {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: var(--signal);
  font-family: var(--font-display);
  font-size: 20px; color: #fff;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}
.logo__txt { font-family: var(--font-display); font-size: 22px; letter-spacing: 1px; }
.logo__txt span { color: var(--signal); }
.logo__sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: .24em;
  color: var(--paper-dim); text-transform: uppercase;
  line-height: 1;
}

.nav { display: flex; gap: 6px; }
.nav a {
  position: relative;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 15px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--paper-dim);
  transition: color .25s;
}
.nav a::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px;
  height: 1px; background: var(--signal);
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease-out);
}
.nav a:hover, .nav a.is-active { color: var(--paper); }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }

.head-cta { display: flex; align-items: center; gap: 18px; }
.head-phone {
  font-family: var(--font-mono);
  font-size: 15px; letter-spacing: .1em; color: var(--paper);
}
.nav-toggle { display: none; width: 44px; height: 44px; }
.nav-toggle span {
  display: block; width: 22px; height: 2px; background: var(--paper); margin: 5px auto;
  transition: transform .3s, opacity .3s;
}
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5) Bölümler ---------- */
section { padding: clamp(72px, 10vw, 140px) 0; }

/* Hero */
.hero { position: relative; padding: 0; min-height: 88vh; display: flex; align-items: center; }
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) brightness(.5); }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 80% at 20% 50%, rgba(255, 74, 23, .22), transparent 70%),
    linear-gradient(90deg, var(--ink) 18%, rgba(12, 13, 16, .55) 70%, var(--ink) 100%);
}
.hero__inner { position: relative; z-index: 3; padding-block: 140px 100px; width: 100%; }
.hero h1 { max-width: 16ch; }
.hero h1 em { font-style: normal; display: block; color: var(--signal); }
.hero .lead { margin-top: 28px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 44px; }

/* Hero alt şerit — rakamlar */
.hero__stats {
  position: relative; z-index: 3;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}
.hero__stats div { padding: 28px 24px 28px 0; }
.hero__stats strong {
  display: block;
  font-family: var(--font-display); font-size: clamp(32px, 4vw, 52px);
  color: var(--paper); line-height: 1;
}
.hero__stats span {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--paper-dim);
}

/* Kayan şerit */
.marquee {
  padding: 0; overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--ink-2);
}
.marquee__track {
  display: flex; gap: 48px; width: max-content;
  padding: 18px 0;
  animation: slide 38s linear infinite;
}
.marquee__track span {
  font-family: var(--font-display); font-size: 22px;
  letter-spacing: 2px; color: var(--paper-dim); text-transform: uppercase;
  display: flex; align-items: center; gap: 48px;
}
.marquee__track span::after { content: "◆"; color: var(--signal); font-size: 12px; }
@keyframes slide { to { transform: translateX(-50%); } }

/* Hizmet kartları */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.svc {
  background: var(--ink);
  padding: 44px 36px 40px;
  position: relative;
  transition: background .4s var(--ease-out);
}
.svc:hover { background: var(--ink-2); }
.svc__no {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .2em;
  color: var(--signal); margin-bottom: 28px; display: block;
}
.svc h3 { margin-bottom: 14px; }
.svc p { color: var(--paper-dim); font-size: 16px; margin: 0; }
.svc__icon { width: 34px; height: 34px; stroke: var(--signal); fill: none; stroke-width: 1.4; margin-bottom: 22px; }
.svc__link {
  display: inline-block; margin-top: 24px;
  font-family: var(--font-mono); font-size: 14px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--paper);
  border-bottom: 1px solid var(--signal); padding-bottom: 3px;
}

/* Proje ızgarası — asimetrik */
.proj-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.proj { grid-column: span 4; display: block; }
.proj--wide { grid-column: span 8; }
.proj--tall .shot { aspect-ratio: 3 / 4; }
.proj .shot { aspect-ratio: 4 / 3; }
.proj--wide .shot { aspect-ratio: 16 / 9; }
.proj__meta { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-top: 18px; }
.proj__meta h3 { font-size: 22px; }
.proj__meta span { font-family: var(--font-mono); font-size: 13px; letter-spacing: .16em; color: var(--paper-dim); text-transform: uppercase; }

/* Süreç */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; counter-reset: s; }
.step { border-top: 2px solid var(--signal); padding-top: 24px; }
.step strong { font-family: var(--font-display); font-size: 40px; display: block; color: var(--ink-3); -webkit-text-stroke: 1px var(--paper-dim); }
.step h3 { font-size: 20px; margin: 10px 0 8px; }
.step p { color: var(--paper-dim); font-size: 15px; margin: 0; }

/* CTA bandı */
.cta-band {
  background: var(--signal); color: #fff;
  padding: clamp(56px, 7vw, 92px) 0;
}
.cta-band h2 { max-width: 20ch; }
.cta-band .wrap { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.cta-band .btn { border-color: #fff; color: #fff; }
.cta-band .btn:hover { background: #fff; color: var(--signal); }

/* Referans logoları */
.logos { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.logos div {
  background: var(--ink); aspect-ratio: 2 / 1;
  display: grid; place-items: center;
  font-family: var(--font-display); font-size: 19px; letter-spacing: 1px;
  color: var(--paper-dim); opacity: .6; transition: opacity .3s, color .3s;
}
.logos div:hover { opacity: 1; color: var(--paper); }

/* Blog kartı */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.post .shot { aspect-ratio: 16 / 10; margin-bottom: 20px; }
.post h3 { font-size: 21px; margin-bottom: 10px; }
.post time { font-family: var(--font-mono); font-size: 13px; letter-spacing: .16em; color: var(--signal); text-transform: uppercase; }
.post p { color: var(--paper-dim); font-size: 15px; }

/* ---------- Footer ---------- */
.site-foot { background: var(--ink-2); border-top: 1px solid var(--line); padding-top: 80px; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 48px; padding-bottom: 64px; }
.site-foot h4 {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .22em;
  color: var(--signal); margin-bottom: 22px;
}
.site-foot li { margin-bottom: 10px; }
.site-foot a { color: var(--paper-dim); transition: color .25s; }
.site-foot a:hover { color: var(--paper); }
.foot-bottom {
  border-top: 1px solid var(--line); padding: 24px 0;
  display: flex; justify-content: space-between; gap: 20px;
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .1em; color: var(--paper-dim);
}

/* ---------- 6) İç sayfalar ---------- */
.page-head { padding: 90px 0 60px; border-bottom: 1px solid var(--line); }
.crumb { font-family: var(--font-mono); font-size: 13px; letter-spacing: .18em; text-transform: uppercase; color: var(--paper-dim); margin-bottom: 22px; }
.crumb a:hover { color: var(--signal); }

.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 44px; }
.filters button {
  padding: 10px 20px; border: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 14px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--paper-dim);
  transition: .25s;
}
.filters button:hover { color: var(--paper); border-color: var(--paper-dim); }
.filters button.is-active { background: var(--signal); border-color: var(--signal); color: #fff; }

.prose { max-width: 68ch; }
.prose h2 { font-size: clamp(26px, 3vw, 38px); margin: 48px 0 18px; }
.prose h3 { margin: 36px 0 14px; }
.prose p, .prose li { color: var(--paper-dim); }
.prose ul { margin: 0 0 24px; }
.prose li { padding-left: 24px; position: relative; margin-bottom: 8px; }
.prose li::before { content: "—"; position: absolute; left: 0; color: var(--signal); }
.prose blockquote {
  margin: 36px 0; padding: 24px 0 24px 28px;
  border-left: 2px solid var(--signal);
  font-size: 21px; color: var(--paper);
}

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.split .shot { aspect-ratio: 4 / 5; }

/* İletişim formu */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--paper-dim);
}
.field input, .field select, .field textarea {
  background: var(--ink-2); border: 1px solid var(--line);
  color: var(--paper); padding: 14px 16px; font: inherit; font-size: 16px;
  transition: border-color .25s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--signal); }
.field textarea { min-height: 150px; resize: vertical; }
.form-note { font-size: 14px; color: var(--paper-dim); }
.form-ok {
  display: none; grid-column: 1 / -1;
  border: 1px solid var(--signal); padding: 16px 20px; color: var(--signal);
  font-family: var(--font-mono); letter-spacing: .12em; text-transform: uppercase;
}
.form-ok.is-visible { display: block; }

.info-list li { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.info-list span:first-child {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--signal); min-width: 110px;
}

/* Proje detay */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery .shot { aspect-ratio: 4 / 3; cursor: pointer; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { text-align: left; padding: 16px 0; border-bottom: 1px solid var(--line); }
.spec-table th {
  font-family: var(--font-mono); font-weight: 400; font-size: 13px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--paper-dim); width: 200px;
}

/* Scroll ile beliren öğeler */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- 7) Responsive ---------- */
@media (max-width: 1080px) {
  .svc-grid, .post-grid, .gallery { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .logos { grid-template-columns: repeat(3, 1fr); }
  .proj, .proj--wide { grid-column: span 6; }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: 78px 0 auto; z-index: 99;
    flex-direction: column; gap: 0;
    background: var(--ink-2); border-bottom: 1px solid var(--line);
    padding: 12px var(--gut) 28px;
    transform: translateY(-120%); transition: transform .45s var(--ease-out);
  }
  body.nav-open .nav { transform: none; }
  .nav a { padding: 14px 0; font-size: 18px; border-bottom: 1px solid var(--line-soft); }
  .nav a::after { display: none; }
  .head-phone { display: none; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .hero__stats div { padding-right: 20px; }
  .split, .cta-band .wrap, .form-grid { grid-template-columns: 1fr; }
  .sec-head { grid-template-columns: 1fr; align-items: start; }
}
@media (max-width: 620px) {
  .svc-grid, .post-grid, .gallery, .steps, .foot-grid { grid-template-columns: 1fr; }
  .proj, .proj--wide { grid-column: span 12; }
  .foot-bottom { flex-direction: column; }
}

/* İçerik + yan sütun düzeni (hizmet/proje/blog detay, iletişim) */
.side-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}
.side-card {
  border: 1px solid var(--line);
  padding: 32px;
  position: sticky;
  top: 110px;
  background: var(--ink-2);
}
.side-card .info-list li:last-child { border-bottom: 0; }
@media (max-width: 960px) {
  .side-layout { grid-template-columns: 1fr; }
  .side-card { position: static; }
}