/* =========================================================
   Doğrular Grup
   Theme: light (locked) · Accent: lacivert / navy (marka kimliği)
   Type: Archivo (display) + Manrope (body)
   Radius scale: sharp (0) for structure, 999px pill for buttons
   ========================================================= */

:root {
  --bg: #f5f4f1;          /* bone / off-white, not pure white */
  --bg-2: #efece6;        /* slightly deeper stone */
  --ink: #1b1a16;         /* warm near-black, not #000 */
  --ink-soft: #4a4842;    /* muted body */
  --ink-faint: #8a877e;   /* captions / meta */
  --line: #d9d5cc;        /* hairline on light */
  --accent: #1f3b63;      /* Doğrular Grup lacivert (marka rengi) */
  --accent-deep: #15294a;
  --surface: #ffffff;

  --maxw: 1280px;
  --gutter: clamp(1.25rem, 4vw, 4rem);

  --step-eyebrow: 0.78rem;
  --step-body: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --step-h2: clamp(1.9rem, 1.3rem + 2.6vw, 3.25rem);
  --step-h1: clamp(2.6rem, 1.4rem + 5vw, 5rem);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Manrope", system-ui, sans-serif;
  font-size: var(--step-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3 {
  font-family: "Archivo", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
}

::selection { background: var(--accent); color: #fff; }

.shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* grain overlay -------------------------------------------------- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0.04;
  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='0.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* eyebrow / section heads --------------------------------------- */
.eyebrow {
  font-family: "Archivo", sans-serif;
  font-size: var(--step-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 1.4rem;
}

.section-title { font-size: var(--step-h2); max-width: 16ch; }
.section-note {
  margin: 1.1rem 0 0;
  color: var(--ink-soft);
  max-width: 52ch;
  font-size: 1.05rem;
}
.section-head { margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.section-head--center { text-align: center; }
.section-head--center .section-title { max-width: none; margin-inline: auto; }
.section-head--center .section-note { margin-inline: auto; }

/* buttons -------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: "Archivo", sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease),
    color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.btn--solid { background: var(--ink); color: var(--bg); }
.btn--solid:hover { background: var(--accent); color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); }
.btn:active { transform: translateY(1px); }

/* ============================= TOP INFO BAR ============================= */
.topbar {
  background: var(--accent);
  color: #e7ecf4;
  font-size: 0.82rem;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 40px;
  flex-wrap: wrap;
}
.topbar__info {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.topbar__info li { display: inline-flex; align-items: center; gap: 0.45rem; }
.topbar__info a { color: #e7ecf4; transition: color 0.2s var(--ease); }
.topbar__info a:hover { color: #fff; }
.topbar__ico { width: 15px; height: 15px; fill: #9db4d4; flex: none; }
.topbar__right { display: inline-flex; align-items: center; gap: 1.1rem; }
.topbar__social { display: inline-flex; align-items: center; gap: 0.4rem; list-style: none; margin: 0; padding: 0; }
.topbar__social a {
  display: grid;
  place-items: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: background 0.25s var(--ease);
}
.topbar__social a:hover { background: rgba(255, 255, 255, 0.22); }
.topbar__social svg { width: 14px; height: 14px; fill: #fff; }
.topbar__cta {
  display: inline-flex;
  align-items: center;
  background: #fff;
  color: var(--accent);
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.42rem 1rem;
  border-radius: 999px;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}
.topbar__cta:hover { background: var(--accent-deep); color: #fff; }

/* ============================= NAV ============================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--accent);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.nav__inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand { display: inline-flex; align-items: center; gap: 0.6rem; color: #fff; }
.brand__mark {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4);
  font-family: "Archivo", sans-serif;
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
}
.brand__name {
  font-family: "Archivo", sans-serif;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
  line-height: 1;
}
.brand__sub {
  display: block;
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
  margin-top: 3px;
}
.nav__links { display: flex; align-items: center; gap: 2rem; }
.nav__links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.82);
  position: relative;
  transition: color 0.2s var(--ease);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%; height: 1px;
  background: #fff;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav__links a:hover { color: #fff; }
.nav__links a:hover::after { transform: scaleX(1); }
.nav__cta { padding: 0.6rem 1.25rem; background: #fff; color: var(--accent); }
.nav__cta:hover { background: var(--bg-2); color: var(--accent-deep); }

/* ---- language switcher ---- */
.langsw { position: relative; }
.langsw__trigger {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  padding: 0.34rem 0.62rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.9);
  font-family: "Archivo", sans-serif;
  font-weight: 600;
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.langsw__trigger::-webkit-details-marker { display: none; }
.langsw__trigger:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.5); }
.langsw__globe { width: 15px; height: 15px; fill: currentColor; flex: none; }
.langsw__caret { width: 13px; height: 13px; fill: currentColor; opacity: 0.85; transition: transform 0.2s var(--ease); }
.langsw[open] .langsw__caret { transform: rotate(180deg); }
.langsw__menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  min-width: 148px;
  padding: 6px;
  gap: 2px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(21, 41, 74, 0.18);
}
.langsw__btn {
  appearance: none;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: left;
  font-family: "Archivo", sans-serif;
  font-weight: 600;
  font-size: 0.84rem;
  color: var(--ink-soft);
  padding: 0.52rem 0.7rem;
  border-radius: 8px;
  line-height: 1;
  transition: color 0.15s var(--ease), background 0.15s var(--ease);
}
.langsw__btn:hover { color: var(--ink); background: var(--bg-2); }
.langsw__btn.is-active { color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, #fff); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 42px; height: 42px;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  cursor: pointer;
}
.nav__toggle span {
  width: 18px; height: 1.5px; background: #fff;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(3.25px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { transform: translateY(-3.25px) rotate(-45deg); }

/* ===================== HERO (cinematic, centered) ===================== */
.hero--cinematic {
  position: relative;
  isolation: isolate;
  min-height: min(100svh, 920px);
  display: grid;
  place-items: center;
  text-align: center;
  padding: clamp(7rem, 14vh, 11rem) 0 clamp(4rem, 9vh, 7rem);
  overflow: hidden;
}

/* full-bleed background, feathered inward so it blends with the bone page */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: var(--bg) center/cover no-repeat;
  background-image: url("assets/hero-poster.jpg");
  filter: grayscale(0.85) contrast(1.05);
  /* inward mask: opaque in the centre, fading to transparent toward the edges */
  -webkit-mask-image: radial-gradient(125% 115% at 50% 40%, #000 42%, transparent 84%);
          mask-image: radial-gradient(125% 115% at 50% 40%, #000 42%, transparent 84%);
}
.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.85) contrast(1.05);
}
/* reduced motion: do not autoplay; the poster frame stays as a still image */
@media (prefers-reduced-motion: reduce) {
  .hero__video { display: none; }
  .hero__bg {
    background-image: url("assets/hero-poster.jpg");
    filter: grayscale(0.85) contrast(1.05);
  }
}
/* soft scrim: lifts text legibility in the centre, melts edges into the bone bg */
.hero__scrim {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 55% at 50% 42%, rgba(245, 244, 241, 0.30), rgba(245, 244, 241, 0) 70%),
    linear-gradient(to bottom, rgba(245, 244, 241, 0.55) 0%, rgba(245, 244, 241, 0) 22%,
      rgba(245, 244, 241, 0) 70%, var(--bg) 100%);
}

.hero__center { position: relative; max-width: 960px; }
.hero__title {
  font-size: var(--step-h1);
  font-weight: 800;
  letter-spacing: -0.035em;
  margin: 0 0 1.6rem;
}
.hero__title em {
  font-style: italic;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;            /* italic descender clearance */
  padding-bottom: 0.05em;
}
.hero__lede {
  color: var(--ink);
  max-width: 50ch;
  margin: 0 auto 2.2rem;
  font-size: 1.12rem;
  font-weight: 600;
  text-shadow: 0 1px 14px rgba(245, 244, 241, 0.95);
}
.hero__center .eyebrow { margin-bottom: 1.6rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; justify-content: center; }

/* ===================== DISCIPLINES STRIP ===================== */
.disciplines { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.disciplines__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2.5rem;
  padding-block: 1.4rem;
}
.disciplines__lead { margin: 0; color: var(--ink-faint); font-size: 0.9rem; }
.disciplines__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  margin: 0; padding: 0;
}
.disciplines__list li {
  font-family: "Archivo", sans-serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

/* ============================= WORK ============================= */
.work { padding-block: clamp(4rem, 9vw, 8rem); }
.work__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1rem, 2.5vw, 2rem);
}
.proj { grid-column: span 1; }
.proj--tall { grid-row: span 2; }
.proj--wide { grid-column: span 2; }

.proj__link { display: block; color: var(--ink); }
.proj__img { display: block; overflow: hidden; background: var(--bg-2); }
.proj__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.04);
  transition: transform 0.7s var(--ease), filter 0.5s var(--ease);
}
.proj:not(.proj--tall):not(.proj--wide) .proj__img img { aspect-ratio: 4 / 4.2; }
.proj--tall .proj__img img { aspect-ratio: 3 / 4.4; }
.proj--wide .proj__img img { aspect-ratio: 16 / 9.4; }
.proj__link:hover .proj__img img { transform: scale(1.04); filter: grayscale(0.55) contrast(1.06); }

.proj__meta { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding-top: 1rem; flex-wrap: wrap; }
.proj__name { font-family: "Archivo", sans-serif; font-weight: 600; font-size: 1.2rem; }
.proj__info { font-size: 0.85rem; color: var(--ink-faint); }

/* ===================== KONUT CTA (mimarlık sitesi bağlantısı) ===================== */
.bitenler__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem 2rem;
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  padding-top: clamp(1.6rem, 3vw, 2.2rem);
  border-top: 1px solid var(--line);
}
.bitenler__cta p { margin: 0; color: var(--ink-soft); font-size: 1.05rem; max-width: 38ch; }

/* ============================= STUDIO ============================= */
.studio { background: var(--bg-2); padding-block: clamp(4rem, 9vw, 8rem); }
.studio__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.studio__media { margin: 0; overflow: hidden; }
.studio__media img {
  width: 100%;
  aspect-ratio: 7 / 8;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
}
.studio__copy p { color: var(--ink-soft); max-width: 54ch; margin: 1.4rem 0 0; }
.studio__facts {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 2.5rem;
  margin: 2.6rem 0 0;
}
.studio__facts dt {
  font-family: "Archivo", sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 1.4rem + 1.6vw, 2.8rem);
  line-height: 1;
}
.studio__facts dt span { color: var(--accent); }
.studio__facts dd { margin: 0.5rem 0 0; font-size: 0.85rem; color: var(--ink-faint); max-width: 14ch; }

/* ============================= SERVICES ============================= */
.services { padding-block: clamp(4rem, 9vw, 8rem); }
.services__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.service {
  display: flex;
  gap: 1.5rem;
  padding: clamp(1.75rem, 3vw, 2.75rem) 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.4s var(--ease);
}
.service:nth-child(odd) { padding-right: clamp(1rem, 3vw, 3rem); border-right: 1px solid var(--line); }
.service:nth-child(even) { padding-left: clamp(1rem, 3vw, 3rem); }
.service:hover { background: var(--bg-2); }
.service__idx {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent);
  padding-top: 0.35rem;
}
.service__body h3 { font-size: 1.4rem; margin-bottom: 0.6rem; }
.service__body p { margin: 0; color: var(--ink-soft); font-size: 1rem; max-width: 42ch; }

/* ============================= LOCATION ============================= */
.location { padding-block: clamp(4rem, 9vw, 8rem); }
.location__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.location__copy p { color: var(--ink-soft); max-width: 44ch; margin: 1.4rem 0 0; }
.location__details { margin-top: 2rem; }
.location__cta { margin-top: 2rem; }
.location__map {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
  background: var(--bg-2);
}
.location__map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  filter: grayscale(1) contrast(1.05);
}

/* ===================== FEATURE / QUOTE ===================== */
.feature { position: relative; isolation: isolate; min-height: clamp(420px, 60vh, 640px); display: grid; align-items: center; }
.feature__media { position: absolute; inset: 0; margin: 0; z-index: -1; }
.feature__media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) brightness(0.62); }
.feature__overlay { color: #fff; padding-block: 4rem; }
.feature__quote {
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: clamp(1.7rem, 1rem + 2.6vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 20ch;
}
.feature__by { margin: 1.5rem 0 0; color: #d8d4cb; font-size: 0.9rem; letter-spacing: 0.02em; }

/* ============================= PROCESS ============================= */
.process { padding-block: clamp(4rem, 9vw, 8rem); }
.process__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2.5rem, 5vw, 5rem);
}
.process__head { position: sticky; top: 100px; align-self: start; }
.process__cta { margin-top: 2rem; }
.process__steps { list-style: none; counter-reset: step; margin: 0; padding: 0; }
.process__steps li {
  counter-increment: step;
  padding: clamp(1.5rem, 3vw, 2.25rem) 0;
  border-top: 1px solid var(--line);
  position: relative;
  padding-left: 4rem;
}
.process__steps li:last-child { border-bottom: 1px solid var(--line); }
.process__steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0; top: clamp(1.5rem, 3vw, 2.25rem);
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink-faint);
}
.process__steps h3 { font-size: 1.35rem; margin-bottom: 0.5rem; }
.process__steps p { margin: 0; color: var(--ink-soft); max-width: 50ch; }

/* ============================= CONTACT ============================= */
.contact { background: var(--ink); color: var(--bg); padding-block: clamp(4rem, 9vw, 8rem); }
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
}
.contact .section-title { color: #fff; }
.contact__intro p { color: #c9c5bc; max-width: 44ch; margin: 1.4rem 0 2.5rem; }
.contact__details { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.5rem; }
.contact__details li { display: grid; gap: 0.35rem; }
.contact__k { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--ink-faint); }
.contact__details a, .contact__details span:not(.contact__k) { color: #ece9e2; font-size: 1.05rem; }
.contact__details a:hover { color: var(--accent); }

.form { display: grid; gap: 1.25rem; align-content: start; }
.field { display: grid; gap: 0.5rem; }
.field label { font-size: 0.85rem; color: #cfccc4; font-weight: 500; }
.field input, .field select, .field textarea {
  width: 100%;
  background: #26241f;
  border: 1px solid #3a382f;
  border-radius: 8px;
  color: #fff;
  font: inherit;
  font-size: 1rem;
  padding: 0.85rem 1rem;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.field input::placeholder, .field textarea::placeholder { color: #8f8c83; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent);
}
.field textarea { resize: vertical; }
.form__submit { margin-top: 0.5rem; justify-self: start; background: var(--accent); color: #fff; }
.form__submit:hover { background: #fff; color: var(--ink); }
.form__status { margin: 0; font-size: 0.9rem; color: var(--accent); min-height: 1.2em; }
.form__status.is-ok { color: #9fd6a8; }

/* ============================= FOOTER ============================= */
.footer { background: var(--bg-2); border-top: 1px solid var(--line); padding-top: clamp(3rem, 6vw, 5rem); }
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}
.brand--footer { margin-bottom: 1.1rem; }
.footer__brand p { color: var(--ink-soft); max-width: 32ch; margin: 0; }
.footer__col { display: grid; gap: 0.7rem; align-content: start; }
.footer__h { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--ink-faint); margin-bottom: 0.3rem; }
.footer__col a { color: var(--ink-soft); transition: color 0.2s var(--ease); }
.footer__col a:hover { color: var(--accent); }
.footer__base {
  border-top: 1px solid var(--line);
  padding-block: 1.5rem;
  font-size: 0.85rem;
  color: var(--ink-faint);
}

/* ============================= REVEAL ============================= */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal[data-reveal-delay="1"] { transition-delay: 0.12s; }
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .proj__img img, .btn, .nav__links a::after { transition: none; }
}

.section-title--sm { font-size: clamp(1.4rem, 1rem + 1.4vw, 2rem); max-width: none; }

/* hover lift on non-linked project cards (completed-project gallery) */
.proj:hover .proj__img img { transform: scale(1.04); filter: grayscale(0.55) contrast(1.06); }

/* ===================== MISSION / 3E BAND ===================== */
.mission { background: var(--accent-deep); color: #eaf0f7; padding-block: clamp(3.5rem, 7vw, 6rem); }
.mission__inner { max-width: 1000px; }
.mission .eyebrow { color: #9bb4d1; }
.mission__lede {
  font-family: "Archivo", sans-serif;
  font-weight: 600;
  font-size: clamp(1.35rem, 0.9rem + 1.9vw, 2.3rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0;
  color: #fff;
}
.mission__lede em { font-style: italic; color: #b9cde4; }
.mission__lede strong { color: #fff; }
.mission__pillars {
  list-style: none;
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem 2.5rem;
}
.mission__pillars li {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: 1.1rem;
  color: #c4d2e2;
  font-size: 0.98rem;
}
.mission__pillars span {
  display: block;
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 0.4rem;
}

/* ===================== GROUP COMPANIES ===================== */
.companies { padding-block: clamp(4rem, 9vw, 8rem); }
.companies__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2vw, 1.5rem);
}
.company {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.company:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 48px -28px rgba(21, 41, 74, 0.45);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}
.company__tag {
  font-family: "Archivo", sans-serif;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 600;
  color: var(--accent);
}
.company__name { font-size: 1.4rem; }
.company__desc { color: var(--ink-soft); font-size: 0.97rem; margin: 0; flex: 1; }
.company__link {
  font-family: "Archivo", sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent);
  word-break: break-word;
}
.company__link:hover { text-decoration: underline; }
.company--cta {
  background: var(--ink);
  color: var(--bg);
  justify-content: center;
  align-items: flex-start;
  gap: 1.1rem;
}
.company--cta .company__name { color: #fff; }
.company--cta .company__desc { color: #c9c5bc; flex: none; }
/* ghost button on the dark CTA card: light text/border, not invisible ink */
.company--cta .btn--ghost { color: #fff; border-color: rgba(255, 255, 255, 0.45); }
.company--cta .btn--ghost:hover { background: #fff; color: var(--ink); border-color: #fff; }

/* ===================== ARCHITECTURE / PROJECTS ===================== */
.arch { padding-block: clamp(4rem, 9vw, 8rem); }
.arch__intro {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.arch__media { margin: 0; overflow: hidden; }
.arch__media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: grayscale(1) contrast(1.04);
}
.arch__copy p { color: var(--ink-soft); max-width: 48ch; margin: 1.2rem 0 0; }

.projlist {
  list-style: none;
  margin: 0 0 clamp(3rem, 6vw, 5rem);
  padding: 0;
  border-top: 1px solid var(--line);
}
.projlist__row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 0.2rem;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.3s var(--ease), background-color 0.3s var(--ease);
}
.projlist__row:hover { padding-left: 0.7rem; background: var(--bg-2); }
.projlist__name { font-family: "Archivo", sans-serif; font-weight: 600; font-size: 1.12rem; }
.projlist__units {
  justify-self: end;
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  white-space: nowrap;
}

/* ===================== REFERENCES (DOGRULAR INSAAT) ===================== */
.refs { background: var(--bg-2); padding-block: clamp(4rem, 9vw, 8rem); }
.refs__intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.refs__media { margin: 0; overflow: hidden; }
.refs__media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: grayscale(1) contrast(1.04);
}
.refs__copy p { color: var(--ink-soft); max-width: 46ch; margin: 1.2rem 0 0; }
.refs__wall {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 0 0 clamp(2.5rem, 5vw, 4rem);
  padding: 0;
}
.refs__wall li {
  font-family: "Archivo", sans-serif;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 0.55rem 1.05rem;
  border-radius: 999px;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.refs__wall li:hover { border-color: var(--accent); color: var(--accent); }
.refs .work { padding-block: 0; }
.arch .work { padding-block: 0; }

/* projlist row as link */
a.projlist__row { color: inherit; cursor: pointer; }
a.projlist__row:hover .projlist__name { color: var(--accent); }

/* ===================== REFERENCE / WORK CARD GRID ===================== */
.refgrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2.2vw, 1.6rem);
}
.refcard {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.refcard:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 48px -28px rgba(21, 41, 74, 0.45);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}
.refcard__img { display: block; position: relative; overflow: hidden; background: var(--bg-2); }
.refcard__img > img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: grayscale(1) contrast(1.03);
  transition: transform 0.6s var(--ease), filter 0.5s var(--ease);
}
.refcard:hover .refcard__img > img { transform: scale(1.05); filter: grayscale(0) contrast(1.03); }
/* marka logosu rozeti (ör. Vakıfbank) */
.refcard__logo {
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  z-index: 2;
  display: block;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.18));
}
.refcard__logo img {
  display: block;
  width: auto;
  height: 26px;
}
.refcard__body { display: flex; flex-direction: column; gap: 0.4rem; padding: 1.1rem 1.2rem 1.3rem; }
.refcard__tag {
  font-family: "Archivo", sans-serif;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 600;
  color: var(--accent);
}
.refcard__name { font-family: "Archivo", sans-serif; font-weight: 600; font-size: 1.08rem; line-height: 1.2; }
.refcard__sub { color: var(--ink-faint); font-size: 0.88rem; }

/* fotoğrafsız kart — tipografik marka placeholder'ı (içerik var, foto sonra) */
.refcard__img--ph {
  aspect-ratio: 4 / 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
  padding: 1rem;
  background: radial-gradient(125% 125% at 50% 0%, color-mix(in srgb, var(--accent) 12%, var(--bg-2)) 0%, var(--bg-2) 72%);
  border-bottom: 1px solid var(--line);
}
.refcard__phbrand {
  font-family: "Archivo", sans-serif;
  font-weight: 800;
  font-size: clamp(1.1rem, 1.5vw, 1.5rem);
  letter-spacing: -0.01em;
  line-height: 1.12;
  color: var(--accent);
}
.refcard__phtag {
  font-family: "Archivo", sans-serif;
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 600;
  color: var(--ink-faint);
}

/* öne çıkan referans (Coca-Cola) */
.refcard__feat {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
  z-index: 3;
  font-family: "Archivo", sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #fff;
  background: var(--accent);
  padding: 0.28rem 0.55rem;
}
/* "Temsili" rozeti — AI üretimi temsili görseller (gerçek proje fotosu değil) */
.refcard__repp, .workdetail__repp {
  position: absolute;
  left: 0.7rem;
  bottom: 0.7rem;
  z-index: 3;
  font-family: "Archivo", sans-serif;
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #fff;
  background: rgba(20, 20, 18, 0.6);
  padding: 0.26rem 0.5rem;
  pointer-events: none;
}
.workdetail__media { position: relative; }
.workdetail__repp { left: 1rem; bottom: 1rem; font-size: 0.66rem; }
.refcard--featured { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.refcard--featured .refcard__img--ph { background: radial-gradient(125% 125% at 50% 0%, color-mix(in srgb, var(--accent) 20%, var(--bg-2)) 0%, var(--bg-2) 76%); }

/* referans logoları bandı (PDF "REFERANSLARIMIZ" duvarı) */
.logos { margin-top: clamp(2rem, 4vw, 3rem); }
.logos__head { margin-bottom: clamp(1.1rem, 2.4vw, 1.8rem); }
.logos__card {
  background: #fff;
  border: 1px solid var(--line);
  padding: clamp(1rem, 2.6vw, 2.2rem);
}
.logos__img { display: block; width: 100%; height: auto; }

/* back / hub links */
.backlink {
  display: inline-flex;
  align-items: center;
  font-family: "Archivo", sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent);
  margin-top: clamp(1.6rem, 3vw, 2.4rem);
}
.backlink:hover { text-decoration: underline; }
.backlink--center { display: block; text-align: center; }

/* ===================== WORK DETAIL PAGE ===================== */
.workdetail { padding-block: clamp(1.5rem, 3vw, 2.5rem) clamp(4rem, 8vw, 7rem); }
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin: 0.5rem 0 clamp(1.8rem, 4vw, 3rem);
}
.crumb a { color: var(--ink-faint); }
.crumb a:hover { color: var(--accent); }
.crumb__now { color: var(--ink); }

.workhead { margin-bottom: clamp(2rem, 4vw, 3rem); max-width: 60ch; }
.workhead__title { font-size: clamp(2rem, 1.2rem + 3vw, 3.4rem); margin: 0.6rem 0 0.8rem; letter-spacing: -0.03em; }
.workhead__meta { margin: 0; color: var(--ink-faint); font-family: "Archivo", sans-serif; font-weight: 600; }

.workdetail__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.workdetail__media { margin: 0; }
.workdetail__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: grayscale(1) contrast(1.04);
  transition: filter 0.5s var(--ease);
}
.workdetail__media:hover img { filter: grayscale(0) contrast(1); }
.workdetail__cap { margin: 0.7rem 0 0; font-size: 0.82rem; color: var(--ink-faint); font-style: italic; }
/* detay sayfası fotoğrafsız referans placeholder'ı */
.workdetail__ph {
  aspect-ratio: 4 / 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  text-align: center;
  padding: 2rem;
  background: radial-gradient(125% 125% at 50% 0%, color-mix(in srgb, var(--accent) 14%, var(--bg-2)) 0%, var(--bg-2) 74%);
  border: 1px solid var(--line);
}
.workdetail__phbrand { font-family: "Archivo", sans-serif; font-weight: 800; font-size: clamp(1.6rem, 3vw, 2.6rem); letter-spacing: -0.01em; color: var(--accent); }
.workdetail__phtag { font-family: "Archivo", sans-serif; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.18em; font-weight: 600; color: var(--ink-faint); }
.workdetail__desc { color: var(--ink-soft); margin: 0 0 1.8rem; }

.infogrid { margin: 0; border-top: 1px solid var(--line); }
.infogrid__row {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}
.infogrid dt { color: var(--ink-faint); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.1em; }
.infogrid dd { margin: 0; font-weight: 500; }
.ph {
  font-style: italic;
  color: var(--accent);
  font-size: 0.9rem;
  background: color-mix(in srgb, var(--accent) 9%, transparent);
  padding: 0.1rem 0.5rem;
  border-radius: 6px;
}
.workdetail__cta { margin-top: 2rem; }

.hubsec { margin-top: clamp(2.5rem, 5vw, 4rem); }
.hubsec .section-title { margin-bottom: clamp(1.5rem, 3vw, 2rem); }

/* ============================= RESPONSIVE ============================= */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .companies__grid { grid-template-columns: repeat(2, 1fr); }
  .refgrid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 880px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .nav.is-open .nav__links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.1rem;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--accent);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    padding: 1.5rem var(--gutter) 2rem;
  }
  .nav.is-open .nav__cta { display: inline-flex; position: absolute; top: 100%; }

  .hero--cinematic { min-height: 88svh; padding-top: clamp(6rem, 16vh, 9rem); }
  .hero__bg {
    -webkit-mask-image: radial-gradient(150% 100% at 50% 38%, #000 48%, transparent 92%);
            mask-image: radial-gradient(150% 100% at 50% 38%, #000 48%, transparent 92%);
  }

  .studio__grid, .process__grid, .contact__grid, .location__grid,
  .arch__intro, .refs__intro, .workdetail__grid { grid-template-columns: 1fr; }
  .process__head { position: static; }
  .studio__media { order: 2; max-width: 460px; }
  .arch__media, .refs__media { order: 2; }
  .workhead__title { font-size: clamp(1.8rem, 1.2rem + 4vw, 2.6rem); }

  .companies__grid { grid-template-columns: 1fr; }
  .mission__pillars { grid-template-columns: 1fr; gap: 0; }
  .mission__pillars li { padding-block: 1rem; }

  .services__list { grid-template-columns: 1fr; }
  .service:nth-child(odd) { border-right: none; padding-right: 0; }
  .service:nth-child(even) { padding-left: 0; }
}

@media (max-width: 620px) {
  .topbar__social { display: none; }
  .topbar__cta { display: none; }
  .topbar { font-size: 0.76rem; }
  .topbar__inner { justify-content: center; }
  .topbar__info { gap: 1rem; justify-content: center; }
  .work__grid { grid-template-columns: 1fr; }
  .refgrid { grid-template-columns: 1fr; }
  .infogrid__row { grid-template-columns: 1fr; gap: 0.2rem; }
  .proj--tall, .proj--wide { grid-column: span 1; grid-row: span 1; }
  .proj--tall .proj__img img,
  .proj--wide .proj__img img,
  .proj .proj__img img { aspect-ratio: 4 / 3.4; }
  .studio__facts { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .footer__grid { grid-template-columns: 1fr; }

  .projlist__row {
    grid-template-columns: 1fr auto;
    row-gap: 0.3rem;
    padding-block: 1rem;
  }
  .projlist__units { grid-row: 1; }
}

/* ===================== ENDÜSTRİYEL: kısalt + "Tümünü Göster" toggle ===================== */
/* Sadece ANA SAYFADAKİ refgrid (#refgrid) ilk 6'dan sonrasını gizler; "Tüm İşler" hub
   sayfasındaki refgrid'lerde (id'siz) bütün işler her zaman görünür. */
#refgrid:not(.is-open) .refcard:nth-child(n+7) { display: none; }
.refs__actions { display: flex; justify-content: center; margin-top: clamp(1.8rem, 4vw, 2.8rem); }
/* Not: "Tümünü Göster" açılınca sayfanın aşağı zıplamaması script.js'teki grid-tepe
   sabitleme (anchor) ile çözülüyor. */

/* ===================== BÖLÜM SIRASI (endüstriyel üstte, konut altta) ===================== */
main { display: flex; flex-direction: column; }
.hero        { order: 1; }
.disciplines { order: 2; }
.studio      { order: 3; }
.mission     { order: 4; }
.companies   { order: 5; }
.refs        { order: 6; }  /* Endüstriyel yapı referansları — yukarı */
.feature     { order: 7; }  /* alıntı bandı — ayraç */
.arch        { order: 8; }  /* Konut projelerimiz — aşağı */
.contact     { order: 9; }

/* ===================== i18n: Arapça font + RTL ===================== */
[lang="ar"] body,
[lang="ar"] .nav__links a,
[lang="ar"] .btn,
[lang="ar"] p,
[lang="ar"] li,
[lang="ar"] dd,
[lang="ar"] label,
[lang="ar"] .hero__title,
[lang="ar"] .section-title,
[lang="ar"] .brand__name,
[lang="ar"] .footer__h {
  font-family: "Noto Kufi Arabic", "Manrope", "Segoe UI", Tahoma, sans-serif;
}
[lang="ar"] .hero__title,
[lang="ar"] .section-title { font-weight: 700; letter-spacing: 0; }

/* sağdan-sola yön düzeltmeleri */
[dir="rtl"] .nav__links a::after { transform-origin: right; }
[dir="rtl"] .langsw__btn { font-family: "Archivo", sans-serif; }  /* TR/EN/AR/RU etiketleri Latin kalsın */
[dir="rtl"] .hero__actions { flex-direction: row-reverse; }
[dir="rtl"] .studio__facts dd,
[dir="rtl"] .company__desc,
[dir="rtl"] .studio__copy > p,
[dir="rtl"] .arch__copy > p,
[dir="rtl"] .refs__copy > p,
[dir="rtl"] .contact__intro > p { margin-inline: 0; }
[dir="rtl"] .reveal { text-align: right; }
[dir="rtl"] .brand__sub { letter-spacing: 0.22em; }

/* arama ikonu / ok yönleri: "→" işaretleri RTL'de soldan görünsün diye olduğu gibi bırakılıyor (metin içinde) */

@media (max-width: 880px) {
  .langsw { margin-inline-start: auto; }
  .langsw__btn { padding: 0.3rem 0.45rem; font-size: 0.68rem; }
}
@media (max-width: 420px) {
  .langsw { gap: 0; padding: 2px; }
  .langsw__btn { padding: 0.28rem 0.34rem; letter-spacing: 0; }
}


/* ============================================================
   DOĞRULAR MİMARLIK — detay/hub sayfaları MAVI KURUMSAL tema ezmesi.
   Ana grup sitesinin (lacivert/krem) styles.css'i buraya kopyalandı;
   :root değişkenleri mimarlık mavi paletine çevrildi. Yalnızca
   isler/<slug>.html + isler/index.html bu dosyayı yükler.
   ============================================================ */
:root{
  --bg:#ffffff;
  --bg-2:#eef4f9;
  --ink:#222222;
  --ink-soft:#4a4a4a;
  --ink-faint:#6f7780;
  --line:#e3e7ec;
  --accent:#00437a;     /* mimarlık koyu mavi */
  --accent-deep:#002f56;
  --surface:#ffffff;
}

/* Mimarlık script.js reveal'ı .in sınıfı kullanır, ana sitenin .is-in'i burada
   tetiklenmez → detay/hub içeriği her zaman görünür olsun. */
.reveal{opacity:1 !important; transform:none !important;}