/* =========================================================
   Çınar Elektrik — ana stil dosyası
   ========================================================= */

/* Yazı tipleri (SIL Open Font License) — sitenin kendi sunucusundan */
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 600 800; font-display: swap; src: url("../fonts/montserrat.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 400 600; font-display: swap; src: url("../fonts/inter.woff2") format("woff2"); }

:root {
  --c-accent: #f5b400;
  --c-accent-dark: #b88700;   /* açık zeminde büyük yazı / süs (3.2:1) */
  --c-accent-text: #8a6500;   /* açık zeminde küçük yazı (5.3:1) */
  --c-dark: #0d1117;
  --c-dark-2: #161b22;
  --c-dark-3: #21262d;
  --c-text: #1f2328;
  --c-muted: #5b636e;
  --c-line: #e4e7eb;
  --c-gray: #f4f5f7;
  --c-white: #ffffff;
  --c-wa: #25d366;

  --f-head: "Montserrat", system-ui, sans-serif;
  --f-body: "Inter", system-ui, sans-serif;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 18px 40px -18px rgba(13, 17, 23, .35);
  --header-h: 84px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--f-head); line-height: 1.2; margin: 0; }
p { margin: 0 0 1rem; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

.container { width: min(1240px, 100% - 40px); margin-inline: auto; }

.ico {
  width: 1.15em; height: 1.15em;
  flex: none;
  fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  padding: .95em 1.7em;
  border: 2px solid transparent; border-radius: 999px;
  font-family: var(--f-head); font-weight: 700; font-size: .92rem; letter-spacing: .02em;
  transition: background .25s, color .25s, border-color .25s, transform .25s var(--ease), box-shadow .25s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn .ico { width: 1.1em; height: 1.1em; }
.btn--primary { background: var(--c-accent); color: var(--c-dark); box-shadow: 0 10px 24px -10px rgba(245, 180, 0, .7); }
.btn--primary:hover { background: #ffc61a; }
.btn--ghost { border-color: rgba(255, 255, 255, .55); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--c-dark); border-color: #fff; }
.btn--dark { background: var(--c-dark); color: #fff; }
.btn--dark:hover { background: var(--c-accent); color: var(--c-dark); }
.btn--whatsapp { background: var(--c-wa); color: #fff; }
.btn--whatsapp:hover { background: #1ebe5a; }
.btn--block { width: 100%; }

/* ---------- Ortak başlıklar ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .75rem;
  margin-bottom: 1rem;
  font-family: var(--f-head); font-weight: 700; font-size: .8rem;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--c-accent);
}
.eyebrow::before { content: ""; width: 36px; height: 2px; background: currentColor; }
.eyebrow--dark { color: var(--c-accent-text); }

.section { padding: clamp(72px, 10vw, 128px) 0; }
.section--gray { background: var(--c-gray); }
.section--dark { background: var(--c-dark); color: #c9d1d9; }

.section__head { max-width: 680px; margin: 0 auto clamp(40px, 6vw, 64px); text-align: center; }
.section__head .eyebrow { justify-content: center; }
.section__head--left { text-align: left; margin: 0; }
.section__head--left .eyebrow { justify-content: flex-start; }
.section__title {
  font-size: clamp(1.9rem, 3.6vw, 2.9rem); font-weight: 800; letter-spacing: -.02em;
  color: var(--c-dark); margin-bottom: 1.1rem;
}
.section__title span { color: var(--c-accent-dark); }
.section__title--light { color: #fff; }
.section__title--light span { color: var(--c-accent); }
.section__lead { color: var(--c-muted); font-size: 1.05rem; }

/* ---------- Üst bilgi çubuğu ---------- */
.topbar {
  position: absolute; inset: 0 0 auto; z-index: 40;
  font-size: .82rem; color: rgba(255, 255, 255, .78);
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.topbar__inner { display: flex; justify-content: space-between; align-items: center; height: 42px; }
.topbar__group { display: flex; gap: 28px; }
.topbar a, .topbar span { display: inline-flex; align-items: center; gap: .5em; transition: color .2s; }
.topbar a:hover { color: var(--c-accent); }
.topbar .ico { color: var(--c-accent); width: 1em; height: 1em; }
.topbar__badge { color: var(--c-accent); font-weight: 600; }

/* ---------- Menü ---------- */
.header {
  position: fixed; top: 42px; left: 0; right: 0; z-index: 50;
  transition: top .35s var(--ease), background .35s, box-shadow .35s;
}
.header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); transition: height .35s var(--ease); }
.header.is-scrolled {
  top: 0;
  background: rgba(13, 17, 23, .92);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 30px -12px rgba(0, 0, 0, .5);
}
.header.is-scrolled .header__inner { height: 70px; }

.logo { display: inline-flex; align-items: center; }
.logo img { height: 58px; width: auto; transition: height .35s var(--ease); }
.header.is-scrolled .logo img { height: 50px; }
.footer .logo img { height: 64px; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav__link {
  position: relative; padding: 10px 14px;
  font-family: var(--f-head); font-weight: 600; font-size: .9rem; color: rgba(255, 255, 255, .88);
  transition: color .2s;
}
.nav__link::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2px;
  background: var(--c-accent); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav__link:hover, .nav__link.is-active { color: #fff; }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__cta { margin-left: 14px; padding: .8em 1.4em; }

.burger { display: none; width: 46px; height: 46px; border: 0; background: transparent; position: relative; z-index: 60; }
.burger span { position: absolute; left: 11px; right: 11px; height: 2px; background: #fff; border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.burger span:nth-child(1) { top: 15px; }
.burger span:nth-child(2) { top: 22px; }
.burger span:nth-child(3) { top: 29px; }
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Tam ekran giriş ---------- */
.hero { position: relative; height: 100vh; height: 100svh; min-height: 620px; overflow: hidden; background: var(--c-dark); color: #fff; }
.hero__slides { position: absolute; inset: 0; }
.slide { position: absolute; inset: 0; display: flex; align-items: center; opacity: 0; visibility: hidden; transition: opacity 1.1s var(--ease), visibility 1.1s; }
.slide.is-active { opacity: 1; visibility: visible; }
.slide::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(13, 17, 23, .92) 0%, rgba(13, 17, 23, .7) 45%, rgba(13, 17, 23, .25) 100%),
    linear-gradient(0deg, rgba(13, 17, 23, .6) 0%, transparent 35%);
}
.slide__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); }
.slide.is-active .slide__img { animation: kenburns 9s linear forwards; }
@keyframes kenburns { from { transform: scale(1.12); } to { transform: scale(1); } }

.slide__content { position: relative; z-index: 2; padding-top: 90px; }
.slide__content > * { max-width: 720px; }
/* İlk slayt animasyonsuz görünür (hızlı ilk boyama); animasyon yalnızca slayt değişince */
.slide.is-entering .slide__content > * { opacity: 0; transform: translateY(28px); animation: fadeUp .9s var(--ease) forwards; }
.slide.is-entering .slide__content > :nth-child(2) { animation-delay: .15s; }
.slide.is-entering .slide__content > :nth-child(3) { animation-delay: .3s; }
.slide.is-entering .slide__content > :nth-child(4) { animation-delay: .45s; }
@keyframes fadeUp { to { opacity: 1; transform: none; } }

.slide__title { font-size: clamp(2.3rem, 5.6vw, 4.4rem); font-weight: 800; letter-spacing: -.025em; line-height: 1.08; margin-bottom: 1.4rem; }
.slide__title span { color: var(--c-accent); }
.slide__text { font-size: clamp(1rem, 1.5vw, 1.18rem); color: rgba(255, 255, 255, .82); max-width: 580px; margin-bottom: 2.2rem; }
.slide__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__controls {
  position: absolute; left: 0; right: 0; bottom: 48px; z-index: 5;
  display: flex; align-items: center; gap: 24px;
}
.hero__counter { font-family: var(--f-head); font-weight: 700; font-size: .95rem; color: rgba(255, 255, 255, .6); letter-spacing: .08em; }
.hero__counter #slideCurrent { color: #fff; font-size: 1.3rem; }
.hero__progress { width: 140px; height: 2px; background: rgba(255, 255, 255, .25); overflow: hidden; }
.hero__progress span { display: block; height: 100%; width: 0; background: var(--c-accent); }
.hero__arrows { display: flex; gap: 10px; }
.hero__pause { flex: none; }
.hero__pause .ico { fill: currentColor; stroke-width: 1.5; width: 1em; height: 1em; }
.hero__arrow {
  display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .35); background: transparent; color: #fff;
  transition: background .25s, border-color .25s, color .25s;
}
.hero__arrow:hover { background: var(--c-accent); border-color: var(--c-accent); color: var(--c-dark); }

.hero__scroll {
  position: absolute; right: max(20px, calc((100% - 1240px) / 2)); bottom: 48px; z-index: 5;
  width: 28px; height: 46px; border: 2px solid rgba(255, 255, 255, .6); border-radius: 16px;
}
.hero__scroll span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--c-accent); animation: scrollDot 1.8s var(--ease) infinite; }
@keyframes scrollDot { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(16px); } }

/* ---------- Öne çıkanlar ---------- */
.features { position: relative; z-index: 6; margin-top: -1px; background: var(--c-dark); }
.features__grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255, 255, 255, .08); }
.feature { display: flex; gap: 16px; align-items: flex-start; padding: 34px 26px; color: #c9d1d9; border-right: 1px solid rgba(255, 255, 255, .08); }
.feature:last-child { border-right: 0; }
.feature__ico { width: 34px; height: 34px; color: var(--c-accent); stroke-width: 1.6; }
.feature h3 { font-size: 1rem; color: #fff; margin-bottom: 4px; }
.feature p { margin: 0; font-size: .88rem; color: #8b949e; }

/* ---------- Hakkımızda ---------- */
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.about__media { position: relative; isolation: isolate; }
.about__media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.about__media::before {
  content: ""; position: absolute; inset: 28px -28px -28px 28px; z-index: -1;
  border: 2px solid var(--c-accent); border-radius: var(--radius);
}
.about__badge {
  position: absolute; left: -28px; bottom: 40px;
  display: flex; align-items: center; gap: 14px;
  padding: 22px 26px; border-radius: var(--radius);
  background: var(--c-accent); color: var(--c-dark); box-shadow: var(--shadow);
  font-family: var(--f-head); font-weight: 800; font-size: .95rem; line-height: 1.3; text-transform: uppercase; letter-spacing: .04em;
}
.about__badge img { width: 44px; height: auto; }
.about__body p { color: var(--c-muted); }
.checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; margin: 28px 0 36px; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; font-size: .95rem; }
.checklist .ico { margin-top: 3px; padding: 3px; width: 22px; height: 22px; border-radius: 50%; background: rgba(245, 180, 0, .18); color: var(--c-accent-dark); stroke-width: 3; }

/* ---------- Hizmetler (üç ana başlık) ---------- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
.pillar {
  display: flex; flex-direction: column;
  background: #fff; border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 2px 4px rgba(13, 17, 23, .04);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.pillar:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.pillar__img { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.pillar__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.pillar:hover .pillar__img img { transform: scale(1.06); }
.pillar__img::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: var(--c-accent); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease); }
.pillar:hover .pillar__img::after { transform: scaleX(1); }
.pillar__no {
  position: absolute; left: 20px; bottom: 20px; z-index: 1;
  display: grid; place-items: center; width: 52px; height: 52px; border-radius: 12px;
  background: var(--c-dark); color: var(--c-accent);
  font-family: var(--f-head); font-weight: 800; font-size: 1.05rem;
}
.pillar__body { padding: 28px 28px 30px; display: flex; flex-direction: column; flex: 1; }
.pillar h3 { font-size: 1.4rem; color: var(--c-dark); margin-bottom: .6rem; }
.pillar__body > p { color: var(--c-muted); font-size: .96rem; }
.pillar__list { display: grid; gap: 10px; margin: 6px 0 26px; flex: 1; align-content: start; }
.pillar__list li { display: flex; gap: 10px; align-items: flex-start; font-size: .94rem; font-weight: 500; color: #2b3138; }
.pillar__list .ico { margin-top: 2px; padding: 3px; width: 20px; height: 20px; border-radius: 50%; background: rgba(245, 180, 0, .18); color: var(--c-accent-dark); stroke-width: 3; }
.pillar__cta {
  display: inline-flex; align-items: center; gap: .5em; align-self: flex-start;
  font-family: var(--f-head); font-weight: 700; font-size: .92rem; color: var(--c-dark);
  padding-bottom: 4px; border-bottom: 2px solid var(--c-accent);
  transition: gap .25s var(--ease), color .2s;
}
.pillar__cta:hover { gap: .9em; color: var(--c-accent-text); }

/* ---------- Bilgilendirme bandı ---------- */
.banner {
  position: relative; padding: clamp(80px, 11vw, 140px) 0; color: #fff;
  background: var(--c-dark) url("../img/cta.jpg") center / cover fixed;
  background-image: image-set(url("../img/cta-1920.webp") type("image/webp"), url("../img/cta.jpg") type("image/jpeg"));
}
.banner::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(13, 17, 23, .94), rgba(13, 17, 23, .78)); }
.banner__grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.banner__text { color: rgba(255, 255, 255, .78); font-size: 1.05rem; margin-bottom: 2rem; }
.signs { display: grid; gap: 12px; }
.signs li {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px; border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1);
  backdrop-filter: blur(4px);
  font-weight: 500; transition: background .25s, border-color .25s, transform .25s var(--ease);
}
.signs li:hover { background: rgba(245, 180, 0, .12); border-color: rgba(245, 180, 0, .45); transform: translateX(6px); }
.signs .ico { color: var(--c-accent); width: 22px; height: 22px; }

/* ---------- Süreç ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; }
.steps::before { content: ""; position: absolute; top: 46px; left: 12.5%; right: 12.5%; height: 2px; background: repeating-linear-gradient(90deg, #d5dade 0 10px, transparent 10px 18px); }
.step { position: relative; text-align: center; padding: 0 8px; }
.step__ico {
  position: relative; z-index: 1;
  width: 92px; height: 92px; padding: 26px; margin: 0 auto 22px;
  border-radius: 50%; background: #fff; border: 2px solid var(--c-line); color: var(--c-dark);
  stroke-width: 1.6; transition: background .3s, border-color .3s, color .3s, transform .3s var(--ease);
}
.step:hover .step__ico { background: var(--c-accent); border-color: var(--c-accent); transform: translateY(-4px); }
.step__no {
  position: absolute; top: -6px; left: 50%; margin-left: 22px; z-index: 2;
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--c-dark); color: var(--c-accent); font-family: var(--f-head); font-weight: 800; font-size: .78rem;
}
.step h3 { font-size: 1.1rem; color: var(--c-dark); margin-bottom: .5rem; }
.step p { font-size: .9rem; color: var(--c-muted); margin: 0; }

/* ---------- Uygulama alanları ---------- */
.areas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.area { position: relative; margin: 0; aspect-ratio: 4 / 5; border-radius: var(--radius); overflow: hidden; }
.area img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.area::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(13, 17, 23, .92) 0%, rgba(13, 17, 23, .1) 60%); transition: background .4s; }
.area:hover img { transform: scale(1.08); }
.area figcaption { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: 26px; }
.area h3 { color: #fff; font-size: 1.3rem; margin-bottom: 4px; }
.area h3::before { content: ""; display: block; width: 32px; height: 3px; margin-bottom: 14px; background: var(--c-accent); transition: width .4s var(--ease); }
.area:hover h3::before { width: 56px; }
.area p { margin: 0; font-size: .9rem; color: #b1bac4; }

/* ---------- SSS ---------- */
.faq__grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
.faq__grid .section__head { position: sticky; top: 110px; }
.faq details { border-bottom: 1px solid var(--c-line); }
.faq details:first-child { border-top: 1px solid var(--c-line); }
.faq summary {
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 24px 0; cursor: pointer; list-style: none;
  font-family: var(--f-head); font-weight: 700; font-size: 1.05rem; color: var(--c-dark);
  transition: color .2s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--c-accent-text); }
.faq summary .ico {
  width: 34px; height: 34px; padding: 8px; border-radius: 50%;
  background: var(--c-gray); transition: transform .3s var(--ease), background .3s;
}
.faq details[open] summary .ico { transform: rotate(45deg); background: var(--c-accent); }
.faq details p { color: var(--c-muted); padding: 0 50px 24px 0; margin: 0; }

/* ---------- İletişim ---------- */
.contact { display: grid; grid-template-columns: 5fr 7fr; gap: 32px; align-items: start; }
.contact__info { display: grid; gap: 16px; }
.contact__card {
  display: flex; gap: 18px; padding: 26px;
  background: #fff; border-radius: var(--radius); border: 1px solid var(--c-line);
}
.contact__ico { width: 52px; height: 52px; padding: 14px; border-radius: 12px; background: var(--c-dark); color: var(--c-accent); }
.contact__card h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: .14em; color: var(--c-muted); margin-bottom: 8px; }
.contact__card a, .contact__card p { display: block; margin: 0 0 2px; font-weight: 600; font-size: 1.02rem; color: var(--c-dark); word-break: break-word; }
.contact__card a:hover { color: var(--c-accent-text); }
.contact__card a.contact__link { display: inline-block; margin-top: 8px; font-size: .9rem; color: var(--c-accent-text); border-bottom: 2px solid currentColor; }
.contact__info .btn--whatsapp { padding: 1.1em; }
.map { margin-top: 32px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: var(--c-dark); display: grid; min-height: 400px; }
.map iframe { display: block; width: 100%; height: 400px; border: 0; }
.map__facade {
  display: grid; place-items: center; align-content: center; gap: 14px; padding: 40px 20px; text-align: center; color: #c9d1d9;
  background:
    radial-gradient(circle at 50% 40%, rgba(245, 180, 0, .16), transparent 55%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .04) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .04) 0 1px, transparent 1px 40px),
    var(--c-dark);
}
.map__ico { width: 46px; height: 46px; color: var(--c-accent); }
.map__title { margin: 0; color: #fff; font-family: var(--f-head); font-weight: 700; font-size: 1.1rem; line-height: 1.5; }
.map__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.map__actions .btn--dark { background: rgba(255, 255, 255, .1); }
.map__actions .btn--dark:hover { background: #fff; color: var(--c-dark); }
.map__note { margin: 0; font-size: .8rem; color: #8b949e; }

.form { background: #fff; border-radius: var(--radius); padding: clamp(26px, 4vw, 44px); box-shadow: var(--shadow); display: grid; gap: 18px; }
.form h3 { font-size: 1.4rem; color: var(--c-dark); }
.form__note { margin: -10px 0 4px; font-size: .88rem; color: var(--c-muted); }
.form__note a { color: var(--c-accent-text); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: grid; gap: 8px; font-weight: 600; font-size: .88rem; color: var(--c-dark); }
.form input, .form select, .form textarea {
  width: 100%; padding: 14px 16px; border: 1.5px solid var(--c-line); border-radius: var(--radius-sm);
  font: inherit; font-weight: 400; color: var(--c-text); background: var(--c-gray);
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.form textarea { resize: vertical; min-height: 120px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--c-accent); background: #fff; box-shadow: 0 0 0 4px rgba(245, 180, 0, .18); }
.form input.is-invalid { border-color: #d1242f; }
.form__tip { display: flex; gap: 10px; align-items: flex-start; margin: 0; padding: 12px 14px; border-radius: var(--radius-sm); background: rgba(245, 180, 0, .12); font-size: .88rem; color: #4a4128; }
.form__tip .ico { margin-top: 2px; color: var(--c-accent-dark); }
.form__error { margin: 0; color: #d1242f; font-size: .88rem; min-height: 1px; }
.form__error:empty { display: none; }

/* ---------- Alt bilgi ---------- */
.footer { background: var(--c-dark); color: #8b949e; padding-top: 80px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.4fr; gap: 40px; padding-bottom: 60px; }
.footer__about { margin-top: 20px; max-width: 300px; font-size: .92rem; }
.footer h4 { color: #fff; font-size: 1rem; margin-bottom: 20px; }
.footer ul { display: grid; gap: 10px; font-size: .92rem; }
.footer a { transition: color .2s; }
.footer a:hover { color: var(--c-accent); }
.footer__contact li { display: flex; gap: 10px; align-items: center; }
.footer__contact .ico { color: var(--c-accent); }
.footer__bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 22px 0; font-size: .85rem; }
.footer__bottom-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
.footer__bottom a { text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Sabit butonlar ---------- */
.floating { position: fixed; right: 22px; bottom: 22px; z-index: 70; display: grid; gap: 12px; }
.floating__btn { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; color: #fff; box-shadow: 0 10px 24px -8px rgba(0, 0, 0, .45); transition: transform .25s var(--ease); }
.floating__btn:hover { transform: scale(1.08); }
.floating__btn .ico { width: 26px; height: 26px; }
.floating__btn--wa { background: var(--c-wa); animation: pulse 2.4s ease-out infinite; }
.floating__btn--call { background: var(--c-accent); color: var(--c-dark); }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, .55), 0 10px 24px -8px rgba(0, 0, 0, .45); }
  70%, 100% { box-shadow: 0 0 0 18px rgba(37, 211, 102, 0), 0 10px 24px -8px rgba(0, 0, 0, .45); }
}

.to-top {
  position: fixed; left: 22px; bottom: 22px; z-index: 70;
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .18); background: var(--c-dark); color: var(--c-accent); box-shadow: 0 10px 24px -8px rgba(0, 0, 0, .45);
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .3s, visibility .3s, transform .3s var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }

/* ---------- Kaydırınca beliren öğeler ---------- */
.js .reveal { opacity: 0; transform: translateY(36px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--delay, 0s); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Duyarlı tasarım ---------- */
@media (max-width: 1100px) {
  .pillar__body { padding: 24px 22px 26px; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
  .steps::before { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 980px) {
  .topbar { display: none; }
  .header { top: 0; }
  .header__inner { height: 72px; }
  .logo img, .header.is-scrolled .logo img { height: 42px; }
  .burger { display: block; }
  .nav {
    position: fixed; inset: 0; z-index: 55;
    flex-direction: column; justify-content: center; gap: 8px;
    background: rgba(13, 17, 23, .98);
    opacity: 0; visibility: hidden; transition: opacity .35s, visibility .35s;
  }
  .nav.is-open { opacity: 1; visibility: visible; }
  .nav__link { font-size: 1.35rem; }
  .nav__cta { margin: 20px 0 0; }
  body.menu-open { overflow: hidden; }

  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .feature:nth-child(2) { border-right: 0; }
  .feature:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, .08); }

  .pillars { grid-template-columns: 1fr; max-width: 640px; margin-inline: auto; }
  .areas { gap: 16px; }
  .area figcaption { padding: 18px; }
  .about__grid, .banner__grid, .faq__grid, .contact { grid-template-columns: 1fr; }
  .about__media { max-width: 520px; margin-inline: auto 40px; }
  .faq__grid .section__head { position: static; }
  .banner { background-attachment: scroll; background-image: image-set(url("../img/cta-960.webp") type("image/webp"), url("../img/cta.jpg") type("image/jpeg")); }
}

@media (max-width: 640px) {
  .container { width: calc(100% - 32px); }
  .hero { min-height: 560px; }
  .slide::after { background: linear-gradient(0deg, rgba(13, 17, 23, .95) 0%, rgba(13, 17, 23, .6) 60%, rgba(13, 17, 23, .45) 100%); }
  .slide__actions .btn { flex: 1 1 100%; }
  .hero__controls { bottom: 28px; }
  .hero__progress { width: 80px; }
  .hero__arrows, .hero__scroll { display: none; }
  .hero__pause { width: 40px; height: 40px; }
  .footer__bottom-inner { flex-direction: column; align-items: center; text-align: center; }

  .features__grid { grid-template-columns: 1fr; }
  .feature { border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, .08); padding: 22px 4px; }
  .feature:last-child { border-bottom: 0; }

  .about__media { margin-inline: 0 20px; }
  .about__media::before { inset: 20px -20px -20px 20px; }
  .about__badge { left: -6px; bottom: 24px; padding: 16px 20px; font-size: .82rem; }
  .checklist { grid-template-columns: 1fr; }

  .areas { grid-template-columns: 1fr; }
  .area { aspect-ratio: 16 / 10; }
  .pillar h3 { font-size: 1.25rem; }
  .steps { grid-template-columns: 1fr; row-gap: 28px; }
  .step { display: grid; grid-template-columns: 72px 1fr; column-gap: 18px; text-align: left; padding: 0; }
  .step__ico { grid-row: span 2; width: 72px; height: 72px; padding: 20px; margin: 0; }
  .step__no { top: -4px; left: 50px; margin: 0; width: 28px; height: 28px; font-size: .7rem; }
  .step h3 { align-self: end; margin-bottom: .2rem; }
  .form__row { grid-template-columns: 1fr; }
  .map { min-height: 320px; }
  .map iframe { height: 320px; }
  .faq details p { padding-right: 0; }
  .footer__grid { grid-template-columns: 1fr; }
  .floating { right: 16px; bottom: 16px; }
  .to-top { left: 16px; bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* ---------- Erişilebilirlik ---------- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 100; padding: 12px 18px; border-radius: var(--radius-sm); background: var(--c-accent); color: var(--c-dark); font-weight: 700; }
.skip-link:focus { top: 16px; }
:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 3px; }
.section:not(.section--dark) :focus-visible, .form :focus-visible { outline-color: var(--c-dark); }

/* ---------- Alt sayfalar (KVKK, 404) ---------- */
.page-top { background: var(--c-dark); }
.page-top__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 84px; }
.page-top__back { color: #c9d1d9; font-weight: 600; font-size: .92rem; }
.page-top__back:hover { color: var(--c-accent); }
.legal { max-width: 820px; padding: 56px 0 80px; }
.legal h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); color: var(--c-dark); margin-bottom: 8px; }
.legal__date { color: var(--c-muted); font-size: .9rem; margin-bottom: 28px; }
.legal h2 { font-size: 1.15rem; color: var(--c-dark); margin: 32px 0 10px; }
.legal p, .legal li { color: #3d444d; }
.legal ul { list-style: disc; padding-left: 1.3em; margin-bottom: 1rem; }
.legal li { margin-bottom: 4px; }
.legal a { color: var(--c-accent-text); text-decoration: underline; text-underline-offset: 2px; }
.footer--slim { padding-top: 0; }

.notfound { display: grid; place-items: center; min-height: 100vh; min-height: 100svh; padding: 24px; background: var(--c-dark); color: #c9d1d9; text-align: center; }
.notfound__box { max-width: 520px; display: grid; justify-items: center; gap: 10px; }
.notfound__code { margin: 24px 0 0; font-family: var(--f-head); font-weight: 800; font-size: 4.5rem; line-height: 1; color: var(--c-accent); }
.notfound h1 { color: #fff; font-size: 1.6rem; }
.notfound__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 14px; }

@media (max-width: 640px) {
  .page-top__inner { min-height: 72px; }
  .page-top .logo img { height: 42px; }
  .page-top__back { font-size: .85rem; }
}