/* ============================================================
   Delta Isı Yalıtım — Modern & ferah, görsel açıdan zengin
   Tema: koyu lacivert + yeşil
   ============================================================ */

:root {
  --navy-950: #061d31;
  --navy-900: #0a2740;
  --navy-800: #0e3557;
  --navy-700: #164a73;
  --navy-100: #e7eef5;
  --navy-50:  #f2f6fa;

  --green-700: #0e7a47;
  --green-600: #15985a;
  --green-500: #1fb66b;
  --green-050: #e9f7ef;

  --ink:    #12263a;
  --muted:  #5b6b7a;
  --line:   #e6ebf0;
  --bg:     #ffffff;
  --bg-soft:#f5f8fb;

  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --container: 1180px;
  --radius: 8px;
  --radius-sm: 6px;
  --radius-pill: 6px;

  --shadow-sm: 0 1px 2px rgba(10, 39, 64, .06), 0 4px 12px rgba(10, 39, 64, .05);
  --shadow-md: 0 8px 24px rgba(10, 39, 64, .10), 0 2px 6px rgba(10, 39, 64, .06);
  --shadow-lg: 0 28px 70px -22px rgba(10, 39, 64, .30);

  --header-h: 76px;

  --noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --delta: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='42' viewBox='0 0 48 42'%3E%3Cpath d='M24 5 43 37H5Z' fill='none' stroke='%230a2740' stroke-opacity='.055' stroke-width='1.5'/%3E%3C/svg%3E");
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button { font-family: inherit; cursor: pointer; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.ic { width: 1em; height: 1em; flex: none; }

/* ============ Butonlar ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 16px;
  line-height: 1;
  padding: 14px 22px;
  border-radius: var(--radius-pill);
  border: 1.5px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn .ic { font-size: 18px; }
.btn:active { transform: translateY(1px); }

.btn--green { background: var(--green-700); color: #fff; }
.btn--green:hover { background: var(--green-700); transform: translateY(-2px); box-shadow: 0 18px 34px -14px rgba(21, 152, 90, .85); }

.btn--navy { background: var(--navy-900); color: #fff; }
.btn--navy:hover { background: var(--navy-800); transform: translateY(-2px); }

.btn--whatsapp { background: #fff; color: #128c4b; border-color: #d8efe2; box-shadow: var(--shadow-sm); }
.btn--whatsapp:hover { border-color: #128c4b; transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn--ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; transform: translateY(-2px); }

.btn--lg { padding: 16px 26px; font-size: 17px; }
.btn--block { width: 100%; justify-content: center; }

/* ============ Topbar ============ */
.topbar { position: absolute; inset: 0 0 auto; z-index: 51; background: transparent; color: #dbe5ee; font-size: 13px; }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 40px; padding-block: 6px; }
.topbar__item { display: inline-flex; align-items: center; gap: 7px; }
.topbar__item .ic { font-size: 14px; color: var(--green-500); }
.topbar__links { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar__links a:hover { color: #fff; }

/* ============ Header ============ */
.header {
  position: fixed;
  top: 40px;
  left: 0;
  right: 0;
  z-index: 50;
  background: transparent;
  border-bottom: 1px solid rgba(255,255,255,.16);
  transition: top .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.header.is-scrolled { top: 0; background: rgba(255,255,255,.97); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: var(--header-h); }
.brand { display: grid; place-items: center; flex-shrink: 0; padding: 9px 0; background: transparent; }
.brand img { height: 46px; width: auto; grid-area: 1 / 1; }
.brand .brand__image--light { display: none; }
.header:not(.is-scrolled) .brand__image--light { display: block; }
.header:not(.is-scrolled) .brand__image--dark { visibility: hidden; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav__link { font-weight: 600; font-size: 15px; color: var(--ink); position: relative; padding: 6px 0; }
.nav__link::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--green-600); border-radius: 2px; transition: width .22s ease; }
.nav__link:hover::after { width: 100%; }
.nav__cta { padding: 11px 20px; font-size: 15px; }
.nav__cta--mobile { display: none; }

.header__actions { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.header__quote { min-height: 44px; justify-content: center; }
.header__whatsapp { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 14px; border: 1px solid #c7e5d4; border-radius: var(--radius-sm); background: var(--green-050); color: var(--green-700); font-size: 14px; font-weight: 600; }
.header__whatsapp .ic { font-size: 20px; }
.header__whatsapp:hover { background: var(--green-700); border-color: var(--green-700); color: #fff; }
.header__actions a:focus-visible { outline: 3px solid var(--green-600); outline-offset: 4px; }
@media (min-width: 901px) {
  .header:not(.is-scrolled) .nav__link { color: #fff; }
  .header:not(.is-scrolled) .header__whatsapp { background: rgba(6,29,49,.25); border-color: rgba(169,241,196,.55); color: #a9f1c4; }
  .header:not(.is-scrolled) .header__whatsapp:hover { background: var(--green-700); color: #fff; }
  .header:not(.is-scrolled) a:focus-visible { outline: 3px solid #a9f1c4; outline-offset: 4px; }
}
@media (min-width: 901px) and (max-width: 1100px) {
  .header__actions { gap: 8px; }
  .header__whatsapp { width: 44px; padding: 0; }
  .header__whatsapp span { display: none; }
}

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: var(--navy-50);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--navy-900);
}
.nav-toggle .ic { font-size: 22px; }
.nav-toggle .ic--close { display: none; }
.nav-toggle.is-open .ic--menu { display: none; }
.nav-toggle.is-open .ic--close { display: block; }

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: clamp(720px, 100svh, 1000px);
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 120px) 0 80px;
  overflow: hidden;
  isolation: isolate;
  background: var(--navy-950);
}
.hero__grid { width: 100%; position: relative; z-index: 1; }
.hero__content { max-width: 900px; }
.hero__visual { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__slide { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: 0; transition: opacity 1.1s ease; }
.hero__slide.is-active { opacity: 1; }
.hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6,29,49,.68), transparent 30%), linear-gradient(90deg, rgba(6,29,49,.80), rgba(6,29,49,.48) 48%, rgba(6,29,49,.08)), linear-gradient(0deg, rgba(6,29,49,.55), transparent 40%);
}

.hero__title { font-size: clamp(3rem, 5.4vw, 5rem); line-height: 1.12; font-weight: 600; letter-spacing: -.045em; color: #fff; }
.hero__title em { font-style: normal; color: #a9f1c4; }
.hero__lead { margin-top: 26px; font-size: 18px; color: rgba(255,255,255,.85); max-width: 50ch; }
.hero__cta { margin-top: 34px; }

.hero .btn { border-radius: 8px; }
.hero a:focus-visible { outline: 3px solid #a9f1c4; outline-offset: 5px; }
@media (prefers-reduced-motion: reduce) {
  .hero__slide { transition: none; }
}

/* ============ Bölümler (ortak) ============ */
.section { padding: 100px 0; }
section[id] { scroll-margin-top: calc(var(--header-h) + 16px); }
.hero[id] { scroll-margin-top: 0; }
.section__head { max-width: 660px; margin: 0 auto 60px; text-align: center; }
.section__title { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 600; letter-spacing: -.035em; line-height: 1.2; color: var(--navy-900); }
.section__lead { margin-top: 16px; font-size: 17px; color: var(--muted); }
.section__lead strong { color: var(--green-700); }

/* ============ Öncesi / Sonrası ============ */
.comparison { background: #fff; }
.comparison__layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .88fr); gap: 64px; align-items: center; }
.comparison__viewer { min-width: 0; }
.comparison__stage { position: relative; aspect-ratio: 3 / 2; max-height: 640px; overflow: hidden; border-radius: 12px; background: var(--navy-950); isolation: isolate; }
.comparison__image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.comparison__stage > .comparison__image { width: 50%; }
.comparison__after { position: absolute; inset: 0 0 0 50%; background: var(--navy-950); }
.comparison__label { position: absolute; top: 18px; z-index: 2; padding: 8px 13px; border-radius: 5px; color: #fff; background: rgba(6,29,49,.88); font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; pointer-events: none; }
.comparison__label--before { left: 18px; }
.comparison__label--after { right: 18px; background: var(--green-700); }
.comparison__stage[aria-busy="true"] { opacity: .65; cursor: progress; }
.comparison__info .section__title { font-size: clamp(2rem, 3.6vw, 3rem); }
.comparison__info .section__lead { max-width: 44ch; }
.comparison__navigation { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; gap: 16px; }
.comparison__nav { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); background: #fff; color: var(--navy-900); }
.comparison__nav:hover { background: var(--navy-900); color: #fff; }
.comparison__nav:first-child .ic { transform: rotate(180deg); }
.comparison__status { color: var(--navy-900); font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; }
.comparison__cta { margin-top: 28px; border-radius: 8px; white-space: normal; line-height: 1.3; }
.comparison__projects { display: grid; grid-template-columns: repeat(11, minmax(0,1fr)); gap: 10px; margin-top: 30px; }
.comparison__project { position: relative; padding: 0; border: 2px solid transparent; border-radius: 4px; overflow: hidden; background: var(--navy-950); aspect-ratio: 4 / 3; }
.comparison__project img { width: 100%; height: 100%; object-fit: cover; opacity: .7; }
.comparison__project span { position: absolute; left: 5px; bottom: 5px; padding: 2px 5px; border-radius: 3px; background: rgba(6,29,49,.9); color: #fff; font-size: 11px; font-weight: 700; }
.comparison__project[aria-pressed="true"] { border-color: var(--green-600); }
.comparison__project[aria-pressed="true"] img, .comparison__project:hover img { opacity: 1; }
.comparison button:focus-visible { outline: 3px solid var(--green-600); outline-offset: 3px; }
@media (max-width: 900px) {
  .comparison__layout { grid-template-columns: minmax(0,1fr) minmax(0,.9fr); gap: 30px; }
  .comparison__projects { grid-template-columns: repeat(6, minmax(0,1fr)); }
}
@media (max-width: 640px) {
  .comparison__layout { display: flex; flex-direction: column; align-items: stretch; gap: 28px; }
  .comparison__stage { max-height: none; }
  .comparison__label { top: 12px; padding: 7px 10px; font-size: 11px; }
  .comparison__label--before { left: 12px; }
  .comparison__label--after { right: 12px; }
  .comparison__projects { grid-template-columns: repeat(auto-fit, minmax(44px,1fr)); gap: 6px; }
  .comparison__project { min-height: 44px; }
  .comparison__project span { left: 2px; bottom: 2px; padding: 1px 3px; }
}

/* ============ Müşteri yorumları ============ */
.reviews { --reviews-per-page: 3; padding-block: 80px; background: var(--bg-soft); }
.reviews__head { text-align: center; margin: 0 auto 48px; }
.reviews__head .section__lead { font-size: 16px; }
.reviews__carousel { position: relative; }
.reviews__viewport { overflow-x: auto; scrollbar-width: none; scroll-snap-type: x mandatory; border-radius: 16px; }
.reviews__viewport::-webkit-scrollbar { display: none; }
.reviews__grid { position: relative; display: flex; gap: 24px; }
.review-card { display: flex; flex-direction: column; flex: 0 0 calc((100% - (var(--reviews-per-page) - 1) * 24px) / var(--reviews-per-page)); min-width: 0; min-height: 350px; margin: 0; padding: 30px; border: 1px solid var(--line); border-radius: 16px; background: #fff; scroll-snap-align: start; }
.review-card__rating { color: var(--green-700); font-size: 16px; letter-spacing: 3px; line-height: 1; }
.review-card blockquote, .review-card__summary { margin: 24px 0 32px; color: var(--muted); font-size: 17px; font-weight: 500; line-height: 1.75; letter-spacing: -.02em; }
.review-card figcaption { display: grid; grid-template-columns: 46px minmax(0,1fr); column-gap: 12px; align-items: center; margin-top: auto; padding-top: 22px; border-top: 1px solid var(--line); }
.review-card__avatar { grid-row: 1 / 3; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--navy-900); color: #fff; font-size: 18px; font-weight: 600; }
.review-card__name { display: block; color: var(--navy-900); font-size: 14px; font-weight: 700; }
.review-card figcaption a { display: inline-flex; align-items: center; gap: 4px; min-height: 44px; font-size: 11px; color: var(--muted); }
.review-card a:hover { color: var(--green-700); text-decoration: underline; text-underline-offset: 4px; }
.reviews__arrow { position: absolute; top: 50%; z-index: 2; display: grid; place-items: center; width: 48px; height: 48px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--navy-900); box-shadow: var(--shadow-sm); transform: translateY(-50%); }
.reviews__arrow--prev { left: -24px; }
.reviews__arrow--prev .ic { transform: rotate(180deg); }
.reviews__arrow--next { right: -24px; }
.reviews__arrow:hover { color: var(--green-700); border-color: var(--green-600); }
.reviews__dots { display: flex; justify-content: center; flex-wrap: wrap; margin-top: 20px; }
.reviews__dot { display: grid; place-items: center; width: 36px; height: 44px; padding: 0; border: 0; background: transparent; }
.reviews__dot::before { content: ""; width: 8px; height: 8px; border-radius: 8px; background: #d7dee5; }
.reviews__dot[aria-current="true"]::before { width: 26px; background: var(--green-700); }
.reviews__footer { display: flex; justify-content: center; margin-top: 18px; }
.reviews__footer .btn { font-size: 14px; white-space: normal; line-height: 1.4; }
.reviews__status { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.reviews a:focus-visible, .reviews button:focus-visible, .reviews__viewport:focus-visible { outline: 3px solid var(--green-600); outline-offset: 3px; }
@media (max-width: 1000px) {
  .reviews { --reviews-per-page: 2; }
  .review-card { padding: 28px; }
  .reviews__arrow--prev { left: -18px; }
  .reviews__arrow--next { right: -18px; }
}
@media (max-width: 640px) {
  .reviews { --reviews-per-page: 1; padding-block: 64px; }
  .reviews__head { margin-bottom: 32px; }
  .review-card { padding: 28px; min-height: 340px; }
  .reviews__arrow { width: 44px; height: 44px; }
  .reviews__arrow--prev { left: -12px; }
  .reviews__arrow--next { right: -12px; }
  .reviews__dot { width: 30px; }
}

/* ============ Hizmetler — görsel vitrin ============ */
.services { background: var(--bg-soft); }
.services__head { max-width: none; text-align: left; margin-bottom: 40px; }
.services__head .section__lead { max-width: 55ch; }
.services__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.service-card { position: relative; display: flex; flex-direction: column; justify-content: flex-end; min-width: 0; min-height: 420px; padding: 26px 22px; background: var(--navy-950); color: #fff; border-radius: 6px; overflow: hidden; isolation: isolate; }
.service-card::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(6,29,49,.08) 20%, rgba(6,29,49,.92) 100%); }
.service-card__image { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.service-card:hover .service-card__image { transform: scale(1.035); }
.service-card__num { position: absolute; top: 24px; left: 22px; color: #fff; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-shadow: 0 1px 6px var(--navy-950); }
.service-card__title { font-size: 24px; line-height: 1.2; font-weight: 600; letter-spacing: -.025em; }
.service-card__text { color: #d8e4ed; font-size: 14px; margin-top: 12px; line-height: 1.6; }
.service-card__link { display: inline-flex; align-items: center; gap: 12px; margin-top: 26px; font-size: 12px; font-weight: 600; color: #a9f1c4; }
.service-card__link .ic { transition: transform .2s ease; }
.service-card:hover .service-card__link .ic { transform: translateX(4px); }
.services__additional { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin-top: 36px; }
.services__additional a { position: relative; border-top: 1px solid #cad5df; padding: 20px 26px 12px 0; }
.services__additional h3 { font-size: 16px; font-weight: 600; color: var(--navy-900); }
.services__additional p { font-size: 13px; color: var(--muted); margin-top: 6px; }
.services__additional .ic { position: absolute; right: 0; top: 26px; color: var(--green-700); }
.services__additional a:hover h3 { color: var(--green-700); }
.service-card:focus-visible, .services__additional a:focus-visible { outline: 3px solid var(--green-600); outline-offset: 4px; }

/* ============ Boya markaları ============ */
.brands { padding-block: 48px; border-block: 1px solid var(--line); background: #fff; }
.brands__viewport { overflow-x: auto; scrollbar-width: thin; }
.brands__track { display: flex; width: max-content; }
.brands__group { display: flex; flex: none; gap: 20px; padding-right: 20px; }
.brands__item { display: grid; place-items: center; flex: 0 0 208px; width: 208px; height: 124px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.brands__logo { position: relative; width: 164px; height: 84px; overflow: hidden; }
.brands__logo img { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 160px; height: 80px; max-width: none; object-fit: contain; }
/* Compensate for whitespace inside the supplied files, without changing artwork. */
.brands__logo--filli img { width: 132px; height: 132px; }
.brands__logo--polisan img { width: 96px; height: 96px; }
.brands.is-ready .brands__viewport { overflow-x: hidden; mask-image: linear-gradient(90deg, transparent, #000 20px, #000 calc(100% - 20px), transparent); }
.brands.is-ready .brands__track { animation: brands-loop 36s linear infinite; }
.brands.is-paused .brands__track, .brands:hover .brands__track, .brands:focus-within .brands__track { animation-play-state: paused; }
.brands__viewport:focus-visible { outline: 3px solid var(--green-600); outline-offset: 4px; }
@keyframes brands-loop { from { transform: translateX(0); } to { transform: translateX(-25%); } }
@media (max-width: 640px) {
  .brands { padding-block: 34px; }
  .brands__group { gap: 16px; padding-right: 16px; }
  .brands__item { flex-basis: 184px; width: 184px; height: 116px; }
}
@media (prefers-reduced-motion: reduce) {
  .brands.is-ready .brands__track { animation: none; }
  .brands.is-ready .brands__viewport { overflow-x: auto; mask-image: none; }
  .brands__group[aria-hidden="true"] { display: none; }
}

/* ============ Boya ürünleri — sade vitrin ============ */
.products { padding: 72px 0; background: var(--bg-soft); }
.products__title { margin-bottom: 32px; }
.products__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.paint-card { margin: 0; min-width: 0; padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.paint-card__visual { display: grid; place-items: center; height: 245px; overflow: hidden; }
.paint-card__visual img { width: 245px; height: 245px; max-width: none; object-fit: contain; }
.paint-card__visual--polisan img { width: 290px; height: 290px; transform: translateY(-22px); }
.paint-card figcaption { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); }
.paint-card__brand { display: block; color: var(--muted); font-size: 13px; margin-bottom: 5px; }
.paint-card h3 { color: var(--navy-900); font-size: 22px; font-weight: 600; line-height: 1.3; letter-spacing: -.025em; }
@media (min-width: 641px) and (max-width: 900px) {
  .products__grid { gap: 16px; }
  .paint-card { padding: 16px; }
  .paint-card__visual { height: 190px; }
  .paint-card__visual img { width: 180px; height: 180px; }
  .paint-card__visual--polisan img { width: 215px; height: 215px; transform: translateY(-16px); }
  .paint-card h3 { font-size: 19px; }
}
@media (max-width: 640px) {
  .products { padding: 56px 0; }
  .products__title { margin-bottom: 24px; }
  .products__grid { grid-template-columns: 1fr; gap: 14px; }
  .paint-card { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 14px; align-items: center; padding: 16px; }
  .paint-card__visual { position: relative; height: 135px; }
  .paint-card__visual img { position: absolute; left: 50%; top: 50%; width: 120px; height: 120px; transform: translate(-50%, -50%); }
  .paint-card__visual--polisan img { width: 145px; height: 145px; transform: translate(-50%, calc(-50% - 10px)); }
  .paint-card figcaption { margin: 0; padding: 0; border: 0; }
  .paint-card h3 { font-size: 19px; }
}

/* ============ Neden Biz ============ */
.why { background: #fff; }
.why__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 80px; align-items: center; }
.why__imgwrap { aspect-ratio: 1 / 1.05; overflow: hidden; border-radius: 6px; background: var(--bg-soft); }
.why__imgwrap img { width: 100%; height: 100%; object-fit: cover; object-position: 55% center; }
.why__caption { margin-top: 16px; font-size: 10px; font-weight: 600; letter-spacing: .12em; color: var(--muted); }
.why__content .section__lead { max-width: 48ch; }
.why__cta { display: flex; align-items: center; gap: 22px; margin-top: 32px; flex-wrap: wrap; }
.link-phone { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--navy-900); font-size: 14px; }
.link-phone .ic { color: var(--green-700); }

/* ============ Keşif / Form ============ */
.quote {
  background: var(--navy-900);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.quote__background { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; pointer-events: none; }
.quote::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,39,64,.9) 0%, rgba(10,39,64,.74) 48%, rgba(10,39,64,.42) 100%); pointer-events: none; }
.quote__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.quote .section__title { color: #fff; }
.quote .section__lead { color: #bcd0e0; }
.quote .section__lead strong { color: #8ff0b8; }

.quote__contact { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 30px; }
.quote__contact a { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: #fff; }
.quote__contact .ic { color: var(--green-500); }

.quote__form {
  background: #fff; color: var(--ink);
  border-radius: 8px; padding: 32px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.quote__form > .btn { grid-column: 1 / -1; }
.quote__fields { display: contents; border: 0; padding: 0; margin: 0; min-width: 0; }
.quote__fields > .btn { grid-column: 1 / -1; justify-content: center; white-space: normal; text-align: center; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.field__error { font-size: 12.5px; color: #b42336; }
.field__error:empty, .form__feedback:empty { display: none; }
.form__feedback { grid-column: 1 / -1; font-size: 14px; color: var(--navy-900); }
.quote__form noscript { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 600; color: var(--navy-900); }
.field label span { color: var(--green-600); }
.field label em { font-style: normal; font-weight: 400; color: var(--muted); font-size: 12.5px; }
.field input, .field select, .field textarea {
  font: inherit; font-size: 15px; color: var(--ink);
  padding: 13px 15px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff; width: 100%;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--green-600); box-shadow: 0 0 0 4px rgba(21,152,90,.12); }
.field textarea { resize: vertical; }
.field .is-invalid { border-color: #e0344b; }
.form__note { grid-column: 1 / -1; font-size: 13.5px; color: var(--muted); }
.form__note a { color: var(--green-700); font-weight: 600; }
.form__privacy { grid-column: 1 / -1; text-align: center; font-size: 12.5px; color: var(--muted); margin-top: -6px; }

/* ============ İletişim / Lokasyon ============ */
.contact { background: var(--bg-soft); }
.contact__grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 30px; align-items: stretch; }
.office-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px;
  box-shadow: var(--shadow-sm);
  height: 100%;
}
.office-card__title { font-size: 22px; font-weight: 800; color: var(--navy-900); }
.office-card__addr { color: var(--muted); font-size: 15.5px; margin-top: 6px; }
.office-card__meta { margin-top: 20px; display: flex; flex-direction: column; gap: 13px; }
.office-card__meta li { display: flex; gap: 10px; align-items: center; color: var(--ink); font-weight: 600; font-size: 15px; }
.office-card__meta .ic { color: var(--green-600); font-size: 17px; }
.office-card__meta a:hover { color: var(--green-700); }
.office-card__btn { margin-top: 24px; }
.contact__map { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); min-height: 380px; }
.contact__map iframe { width: 100%; height: 100%; min-height: 380px; border: 0; display: block; }


/* ============ Footer ============ */
.footer { background: var(--navy-950); color: #bcd0e0; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 40px; padding: 64px 0 48px; }
.footer__logo { height: 42px; width: auto; margin-bottom: 16px; }
.footer__about p { font-size: 14.5px; color: #8fa6ba; max-width: 34ch; }
.footer__col h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; }
.footer__col ul { display: flex; flex-direction: column; gap: 11px; }
.footer__col ul a, .footer__col ul span { font-size: 14.5px; color: #8fa6ba; display: inline-flex; align-items: center; gap: 8px; }
.footer__col ul a:hover { color: #fff; }
.footer__col .ic { color: var(--green-500); font-size: 15px; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; }
.footer__bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer__bottom p { font-size: 13.5px; color: #6f8497; }
.footer__legal a { color: #6f8497; }
.footer__legal a:hover { color: #fff; }

/* ============ Yüzen iletişim butonları ============ */
.floating-contact { position: fixed; right: 22px; bottom: 22px; z-index: 60; display: flex; gap: 12px; }
.float-wa, .float-call { width: 58px; height: 58px; display: grid; place-items: center; color: #fff; border-radius: 50%; transition: transform .2s ease; }
.float-wa { background: #25d366; box-shadow: 0 12px 30px -8px rgba(37,211,102,.7); }
.float-call { background: var(--navy-900); box-shadow: var(--shadow-md); }
.float-wa .ic { font-size: 30px; }
.float-call .ic { font-size: 26px; }
.float-wa:hover, .float-call:hover { transform: scale(1.08); }
.float-wa:focus-visible, .float-call:focus-visible { outline: 3px solid var(--green-600); outline-offset: 4px; }

/* ============ Reveal ============ */
.reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  .js-reveal .reveal { opacity: 0; transform: translateY(14px); transition: opacity .45s ease, transform .45s ease; }
  .js-reveal .reveal.is-visible { opacity: 1; transform: none; }
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .service-card, .float-wa, .float-call { transition: none; }
  .service-card__image { transition: none; }
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .services__additional { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-card { min-height: 380px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .topbar { display: none; }
  .header { top: 0; }
  .brand { padding: 8px 0; }
  .brand img { height: 40px; }
  .header:not(.is-scrolled) .nav-toggle { background: rgba(6,29,49,.35); border-color: rgba(255,255,255,.4); color: #fff; }
  .header__actions { display: none; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md); padding: 16px 24px 22px;
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: opacity .22s ease, transform .22s ease, visibility .22s ease;
  }
  .nav.is-open { opacity: 1; transform: none; visibility: visible; }
  .nav__link { padding: 12px 4px; font-size: 16px; }
  .nav__cta { justify-content: center; margin-top: 8px; }
  .nav__cta--mobile { display: inline-flex; }
  .nav-toggle { display: inline-flex; }

  .hero { min-height: 700px; padding: calc(var(--header-h) + 80px) 0 80px; }
  .hero__content { max-width: 700px; }

  .why__grid { grid-template-columns: minmax(0, .9fr) minmax(0, 1fr); gap: 32px; }
  .quote__grid { grid-template-columns: 1fr; gap: 46px; }
  .contact__grid { grid-template-columns: 1fr; }
  .contact__map { min-height: 320px; }
  .contact__map iframe { min-height: 320px; }
}

@media (max-width: 640px) {
  .section { padding: 68px 0; }
  .container { padding-inline: 20px; }
  .services__grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .service-card { min-height: 280px; padding: 20px 14px; }
  .service-card__title { font-size: 19px; }
  .service-card__text { font-size: 12px; margin-top: 10px; }
  .service-card__num { top: 16px; left: 14px; }
  .service-card__link { font-size: 11px; gap: 6px; margin-top: 20px; }
  .services__additional { gap: 8px 20px; margin-top: 24px; }
  .services__additional h3 { font-size: 14px; }
  .services__additional p { font-size: 12px; }
  .services__additional a { padding-top: 16px; padding-right: 16px; }
  .services__additional .ic { top: 21px; font-size: 12px; }
  .why__grid { grid-template-columns: 1fr; gap: 32px; }
  .why__imgwrap { aspect-ratio: 4 / 3; }
  .quote__form { grid-template-columns: 1fr; padding: 24px; }
  .field--full, .form__note, .form__privacy { grid-column: 1; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; padding: 48px 0 32px; }
  .hero { min-height: 650px; padding: calc(var(--header-h) + 64px) 0 64px; }
  .hero__title { font-size: clamp(1.7rem, 8vw, 3.2rem); line-height: 1.2; }
  .hero__lead { font-size: 16px; }
  .hero__cta .btn { font-size: 15px; padding: 16px 22px; }
  .hero__linebreak { display: none; }
  .hero__visual img { object-position: 60% center; }
  .hero__visual::after { background: linear-gradient(180deg, rgba(6,29,49,.65), transparent 30%), linear-gradient(90deg, rgba(6,29,49,.82), rgba(6,29,49,.48)), linear-gradient(0deg, rgba(6,29,49,.6), transparent 55%); }

  .floating-contact { right: 16px; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); }
  .float-wa, .float-call { width: 54px; height: 54px; }
}