/* ===== İNÇ — İlker Nedim Çakar | Mimarlık ===== */
:root {
  --cream: #f3efe8;
  --sand: #c1b8a8;
  --sand-deep: #b7ad9b;
  --ink: #38332b;
  --ink-soft: #6b6355;
  --line: #d8d0c2;
  --white: #fbf9f5;
  --max: 1200px;
  --ease: cubic-bezier(.4, 0, .2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: "Jost", system-ui, sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.7;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .serif { font-family: "Cormorant Garamond", Georgia, serif; font-weight: 500; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.container { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }
.eyebrow {
  font-size: .72rem; letter-spacing: .32em; text-transform: uppercase;
  color: var(--ink-soft); font-weight: 400;
}

/* ===== Header ===== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .4s var(--ease), border-color .4s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(243, 239, 232, .9);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.brand { display: flex; flex-direction: column; line-height: 1; gap: 6px; }
.brand .mark { height: 30px; width: auto; }
.brand .sub { font-size: .55rem; letter-spacing: .3em; text-transform: uppercase; color: var(--ink-soft); padding-left: .1em; }
.nav { display: flex; gap: 2.4rem; }
.nav a { font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); transition: color .3s; }
.nav a:hover { color: var(--ink); }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.4rem; color: var(--ink); cursor: pointer; }

/* ===== Hero ===== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--cream) 8%, rgba(243,239,232,.72) 38%, rgba(243,239,232,.15) 70%); }
.hero-inner { position: relative; z-index: 1; padding-top: 78px; }
.hero .mark-big { width: clamp(180px, 30vw, 320px); height: auto; display: block; }
.hero .name { font-size: .8rem; letter-spacing: .38em; text-transform: uppercase; color: var(--ink-soft); margin: 1.4rem 0 2.4rem; padding-left: .4em; }
.hero .tags { display: flex; flex-direction: column; gap: .35rem; margin-bottom: 2.8rem; }
.hero .tags span { font-size: .95rem; letter-spacing: .3em; text-transform: uppercase; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: .78rem; letter-spacing: .22em; text-transform: uppercase; color: var(--ink);
  padding-bottom: .5rem; border-bottom: 1px solid var(--ink); transition: gap .3s var(--ease), opacity .3s;
}
.btn:hover { gap: 1.1rem; }
.btn .arrow { transition: transform .3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ===== Sections ===== */
.section { padding: 7rem 0; }
.section-head { max-width: 640px; margin-bottom: 3.5rem; }
.section-head h2 { font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1.15; margin-top: .8rem; }

/* About */
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 4rem; align-items: center; }
.about-img { aspect-ratio: 4/5; overflow: hidden; }
.about-img img { width: 100%; height: 100%; object-fit: cover; }
.about-text p { color: var(--ink-soft); margin-bottom: 1.3rem; }
.about-text p:first-of-type { color: var(--ink); }

/* Services */
.services { background: var(--sand); color: var(--ink); }
.services .eyebrow { color: rgba(56,51,43,.65); }
.service-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--sand-deep); border: 1px solid var(--sand-deep); }
.service { background: var(--sand); padding: 2.8rem 2.2rem; transition: background .35s; }
.service:hover { background: var(--cream); }
.service .no { font-family: "Cormorant Garamond", serif; font-size: 1.1rem; color: var(--ink-soft); }
.service h3 { font-size: 1.7rem; margin: .6rem 0 .8rem; }
.service p { font-size: .92rem; color: var(--ink-soft); }

/* Projects */
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.project-card { position: relative; aspect-ratio: 3/4; overflow: hidden; background: var(--sand); cursor: pointer; }
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.project-card:hover img { transform: scale(1.05); }
.project-card .meta { position: absolute; inset: auto 0 0 0; padding: 1.4rem; background: linear-gradient(transparent, rgba(40,36,30,.75)); color: var(--white); }
.project-card .meta h3 { font-size: 1.4rem; }
.project-card .meta .cat { font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; opacity: .85; }
.projects-empty { grid-column: 1/-1; text-align: center; padding: 4rem 0; color: var(--ink-soft); }
.projects-empty .serif { font-size: 1.8rem; color: var(--ink); display: block; margin-bottom: .5rem; }

/* Contact */
.contact { position: relative; color: var(--white); }
.contact-bg { position: absolute; inset: 0; z-index: 0; }
.contact-bg img { width: 100%; height: 100%; object-fit: cover; }
.contact-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(40,36,30,.72), rgba(40,36,30,.25)); }
.contact .container { position: relative; z-index: 1; }
.contact .eyebrow { color: rgba(251,249,245,.7); }
.contact h2 { font-size: clamp(2rem, 4.5vw, 3.2rem); margin: .6rem 0 2.5rem; max-width: 560px; }
.contact-lines a, .contact-lines p { display: block; font-size: 1.25rem; margin-bottom: .7rem; letter-spacing: .02em; }
.contact-lines a:hover { text-decoration: underline; text-underline-offset: 5px; }

/* Footer */
.site-footer { background: var(--ink); color: rgba(251,249,245,.6); padding: 2.5rem 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; font-size: .8rem; letter-spacing: .06em; }
.site-footer .mark { height: 26px; width: auto; opacity: .92; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .nav { position: fixed; inset: 78px 0 auto 0; background: var(--cream); flex-direction: column; gap: 0; padding: 1rem 1.25rem 2rem; border-bottom: 1px solid var(--line); transform: translateY(-120%); transition: transform .4s var(--ease); }
  .nav.open { transform: none; }
  .nav a { padding: .9rem 0; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: block; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .service-list, .project-grid { grid-template-columns: 1fr; }
  .section { padding: 4.5rem 0; }
  .hero-bg::after { background: linear-gradient(180deg, rgba(243,239,232,.55), rgba(243,239,232,.85)); }
}