/* ============================================================
   DMR Yalıtım — Modern Kurumsal Mavi Tema
   ============================================================ */

:root {
  --blue-900: #062a63;
  --blue-800: #0a3d8f;
  --blue-700: #1456c7;
  --blue-600: #2a6df0;
  --blue-100: #e8f0fe;
  --blue-50:  #f4f8ff;
  --accent:   #ff9f1c;       /* sıcak vurgu rengi */
  --accent-d: #f08a00;

  --ink:      #0e1b33;
  --text:     #41506b;
  --muted:    #6b7896;
  --line:     #e4e9f2;
  --bg:       #ffffff;
  --bg-alt:   #f4f8ff;

  --radius:   16px;
  --radius-sm:10px;
  --shadow:   0 10px 30px rgba(10, 61, 143, .10);
  --shadow-lg:0 20px 50px rgba(10, 61, 143, .16);
  --container: 1180px;
  --t: .3s cubic-bezier(.2,.7,.3,1);

  --font-head: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1,h2,h3,h4 { font-family: var(--font-head); color: var(--ink); line-height: 1.2; font-weight: 700; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-head); font-weight: 600; font-size: 15px;
  padding: 13px 26px; border-radius: 50px; border: 2px solid transparent;
  cursor: pointer; transition: var(--t); white-space: nowrap;
}
.btn--sm { padding: 9px 18px; font-size: 14px; }
.btn--lg { padding: 16px 34px; font-size: 16px; }
.btn--block { width: 100%; }
.btn--primary { background: var(--blue-700); color: #fff; box-shadow: 0 8px 20px rgba(20,86,199,.28); }
.btn--primary:hover { background: var(--blue-800); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(20,86,199,.36); }
.btn--ghost { background: transparent; color: var(--blue-800); border-color: var(--blue-100); }
.btn--ghost:hover { background: var(--blue-50); border-color: var(--blue-600); }
.btn--light { background: #fff; color: var(--blue-800); }
.btn--light:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn--ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn--ghost-light:hover { background: rgba(255,255,255,.12); }

/* ---------- Topbar ---------- */
.topbar { background: var(--blue-900); color: #cfe0ff; font-size: 13.5px; }
.topbar__inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 40px; flex-wrap: wrap; }
.topbar a:hover { color: #fff; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
  transition: var(--t);
}
.header.scrolled { box-shadow: var(--shadow); }
.header__inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; }

.logo { display: inline-flex; align-items: baseline; gap: 6px; font-family: var(--font-head); font-weight: 800; font-size: 24px; }
.logo__mark { color: var(--blue-700); letter-spacing: .5px; }
.logo__text { color: var(--ink); }
.logo--light .logo__text { color: #fff; }
.logo__img { height: 58px; width: auto; display: block; }
@media (max-width: 768px) { .logo__img { height: 46px; } }
.footer__logo-img { height: 42px; width: auto; display: block; }

.nav { display: flex; align-items: center; gap: 30px; }
.nav__link { font-family: var(--font-head); font-weight: 600; font-size: 15px; color: var(--ink); position: relative; transition: var(--t); }
.nav__link::after { content: ''; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px; background: var(--blue-700); transition: var(--t); }
.nav__link:hover { color: var(--blue-700); }
.nav__link:hover::after { width: 100%; }
.nav__cta { color: #fff; }
.nav__cta:hover { color: #fff; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 26px; height: 3px; background: var(--ink); border-radius: 3px; transition: var(--t); }
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; color: #fff; overflow: hidden; }
.hero__bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(42,109,240,.55), transparent 60%),
    linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 55%, var(--blue-700) 100%);
}
.hero__bg::after {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 22px 22px; opacity: .6;
}
.hero__inner { padding: 92px 24px 100px; }
.hero__content { max-width: 720px; }
.hero__badge {
  display: inline-block; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25);
  padding: 8px 16px; border-radius: 50px; font-size: 14px; font-weight: 600; margin-bottom: 22px;
  backdrop-filter: blur(6px);
}
.hero__title { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800; color: #fff; margin-bottom: 20px; }
.hero__title span { color: var(--accent); }
.hero__subtitle { font-size: clamp(1rem, 2vw, 1.2rem); color: #d6e3ff; max-width: 620px; margin-bottom: 32px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero__points { display: flex; gap: 26px; flex-wrap: wrap; font-weight: 600; color: #eaf1ff; font-size: 15px; }

/* ---------- Stats ---------- */
.stats { margin-top: -50px; position: relative; z-index: 5; }
.stats__grid {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg);
  display: grid; grid-template-columns: repeat(4, 1fr); padding: 36px 20px;
}
.stat { text-align: center; padding: 8px 12px; position: relative; }
.stat:not(:last-child)::after { content: ''; position: absolute; right: 0; top: 15%; height: 70%; width: 1px; background: var(--line); }
.stat__num { font-family: var(--font-head); font-weight: 800; font-size: clamp(2rem, 4vw, 2.8rem); color: var(--blue-700); }
.stat__plus { font-family: var(--font-head); font-weight: 800; font-size: 1.6rem; color: var(--accent); }
.stat__label { font-size: 14.5px; color: var(--muted); margin-top: 4px; font-weight: 500; }

/* ---------- Section temelleri ---------- */
.section { padding: 92px 0; }
.section--alt { background: var(--bg-alt); }
.section__head { text-align: center; max-width: 680px; margin: 0 auto 54px; }
.section__eyebrow {
  display: inline-block; color: var(--blue-700); background: var(--blue-100);
  font-family: var(--font-head); font-weight: 700; font-size: 13px; letter-spacing: 1px;
  text-transform: uppercase; padding: 6px 14px; border-radius: 50px; margin-bottom: 16px;
}
.section__title { font-size: clamp(1.7rem, 3.5vw, 2.5rem); margin-bottom: 14px; }
.section__lead { color: var(--muted); font-size: 1.08rem; }

/* ---------- Hakkımızda ---------- */
.about__inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; }
.about__media { position: relative; }
.about__img-card {
  position: relative; aspect-ratio: 4/3; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--blue-700), var(--blue-900));
  display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.about__img-card::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px); background-size: 20px 20px;
}
.about__emoji { font-size: 7rem; filter: drop-shadow(0 8px 16px rgba(0,0,0,.25)); }
.about__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; }
.about__badge-float {
  position: absolute; bottom: -22px; right: -16px; background: #fff; color: var(--ink);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); padding: 16px 22px; text-align: center;
  z-index: 3;
}
.about__badge-float strong { display: block; font-family: var(--font-head); font-size: 1.6rem; color: var(--blue-700); }
.about__badge-float span { font-size: 13px; color: var(--muted); }
.about__content .section__eyebrow { margin-top: 0; }
.about__content h2 { margin-bottom: 18px; }
.about__content p { margin-bottom: 16px; }
.about__list { margin: 22px 0 28px; display: grid; gap: 10px; }
.about__list li { font-weight: 500; color: var(--ink); }

/* ---------- Hizmetler ---------- */
.services__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.service-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 28px; transition: var(--t); position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--blue-700), var(--accent)); transform: scaleX(0);
  transform-origin: left; transition: var(--t);
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-card__icon {
  width: 64px; height: 64px; border-radius: 16px; background: var(--blue-100);
  display: grid; place-items: center; font-size: 30px; margin-bottom: 20px; transition: var(--t);
}
.service-card:hover .service-card__icon { background: var(--blue-700); transform: rotate(-6deg) scale(1.05); }
.service-card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.service-card p { font-size: 15px; margin-bottom: 18px; }
.service-card__link { font-family: var(--font-head); font-weight: 700; color: var(--blue-700); font-size: 15px; transition: var(--t); }
.service-card__link:hover { color: var(--accent-d); letter-spacing: .5px; }

/* ---------- Neden Biz ---------- */
.why__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.why__item { text-align: center; padding: 30px 22px; border-radius: var(--radius); transition: var(--t); }
.why__item:hover { background: var(--bg-alt); transform: translateY(-6px); }
.why__icon {
  width: 72px; height: 72px; margin: 0 auto 18px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-100), #fff); border: 1px solid var(--line);
  display: grid; place-items: center; font-size: 32px;
}
.why__item h3 { font-size: 1.2rem; margin-bottom: 10px; }
.why__item p { font-size: 14.5px; }

/* ---------- Süreç ---------- */
.process__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.process__step {
  background: #fff; border-radius: var(--radius); padding: 34px 26px; position: relative;
  border: 1px solid var(--line); transition: var(--t);
}
.process__step:hover { box-shadow: var(--shadow); transform: translateY(-6px); }
.process__num {
  font-family: var(--font-head); font-weight: 800; font-size: 2.6rem;
  color: var(--blue-100); line-height: 1; display: block; margin-bottom: 12px;
}
.process__step:hover .process__num { color: var(--accent); }
.process__step h3 { font-size: 1.2rem; margin-bottom: 10px; }
.process__step p { font-size: 14.5px; }

/* ---------- CTA Banner ---------- */
.cta-banner { background: linear-gradient(135deg, var(--blue-800), var(--blue-600)); color: #fff; }
.cta-banner__inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 56px 24px; flex-wrap: wrap; }
.cta-banner h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 6px; }
.cta-banner p { color: #dbe7ff; }
.cta-banner__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- SSS ---------- */
.faq__list { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }
.faq__item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 4px 24px; transition: var(--t);
}
.faq__item[open] { box-shadow: var(--shadow); border-color: var(--blue-100); }
.faq__item summary {
  cursor: pointer; font-family: var(--font-head); font-weight: 600; font-size: 1.05rem;
  color: var(--ink); padding: 18px 30px 18px 0; position: relative; list-style: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-size: 1.6rem; color: var(--blue-700); transition: var(--t); font-weight: 400;
}
.faq__item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq__item p { padding-bottom: 20px; color: var(--text); }

/* ---------- İletişim ---------- */
.contact__grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; align-items: start; }
.contact__info { display: grid; gap: 16px; }
.contact__card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 20px; display: flex; gap: 16px; align-items: flex-start; transition: var(--t);
}
.contact__card:hover { box-shadow: var(--shadow); transform: translateX(4px); }
.contact__icon { font-size: 24px; width: 48px; height: 48px; flex: 0 0 48px; background: var(--blue-100); border-radius: 12px; display: grid; place-items: center; }
.contact__card h3 { font-size: 1.05rem; margin-bottom: 4px; }
.contact__card p { font-size: 15px; }
.contact__card a:hover { color: var(--blue-700); }

.contact__form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form__group { margin-bottom: 18px; }
.form__group label { display: block; font-family: var(--font-head); font-weight: 600; font-size: 14px; color: var(--ink); margin-bottom: 7px; }
.form__group input, .form__group select, .form__group textarea {
  width: 100%; padding: 13px 16px; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 15px; color: var(--ink); background: var(--blue-50);
  transition: var(--t); resize: vertical;
}
.form__group input:focus, .form__group select:focus, .form__group textarea:focus {
  outline: none; border-color: var(--blue-600); background: #fff; box-shadow: 0 0 0 4px rgba(42,109,240,.12);
}
.form__note { margin-top: 16px; font-weight: 600; padding: 12px 16px; border-radius: var(--radius-sm); }
.form__note--ok { color: #0a7d3c; background: #e7f8ee; }
.form__note--err { color: #b3261e; background: #fdecea; }
#formSubmit:disabled { opacity: .65; cursor: not-allowed; }

.contact__map { margin-top: 60px; line-height: 0; }
.contact__map iframe { filter: grayscale(.15); }

/* ---------- Footer ---------- */
.footer { background: var(--blue-900); color: #b9caea; padding-top: 64px; font-size: 15px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 36px; padding-bottom: 44px; }
.footer__about { margin-top: 16px; max-width: 320px; line-height: 1.7; }
.footer__col h4 { color: #fff; font-size: 1.05rem; margin-bottom: 18px; }
.footer__col ul { display: grid; gap: 11px; }
.footer__col a:hover { color: #fff; padding-left: 4px; transition: var(--t); }
.footer__contact li { display: flex; gap: 8px; line-height: 1.5; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; }
.footer__bottom .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer__bottom p { font-size: 13.5px; color: #8ba1c9; }
.footer__credit { background: #041d47; border-top: 1px solid rgba(255,255,255,.08); padding: 16px 0; text-align: center; }
.footer__credit p { font-size: 14px; color: #9fb3d6; letter-spacing: .2px; }
.footer__credit strong { color: var(--accent); font-family: var(--font-head); font-weight: 800; letter-spacing: .8px; }
.footer__credit-link { text-decoration: none; transition: var(--t); }
.footer__credit-link strong { color: var(--accent); border-bottom: 1px solid transparent; transition: var(--t); }
.footer__credit-link:hover strong { color: #ffb84d; border-color: #ffb84d; }

/* ---------- Yüzen Çağrı Butonu ---------- */
.float-call {
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%; background: var(--blue-700);
  color: #fff; display: grid; place-items: center; font-size: 24px; box-shadow: var(--shadow-lg);
  transition: var(--t); animation: pulse 2.4s infinite;
}
.float-call:hover { background: var(--accent); transform: scale(1.08); }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(20,86,199,.5); } 70% { box-shadow: 0 0 0 16px rgba(20,86,199,0); } 100% { box-shadow: 0 0 0 0 rgba(20,86,199,0); } }

/* ---------- Açılış animasyonu ---------- */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].in { opacity: 1; transform: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .about__inner { grid-template-columns: 1fr; gap: 50px; }
  .about__media { max-width: 460px; margin: 0 auto; width: 100%; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .why__grid, .process__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 24px 0; }
  .stat:nth-child(2)::after { display: none; }
}

@media (max-width: 768px) {
  .topbar { display: none; }
  .nav {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 14px 24px 24px;
    box-shadow: var(--shadow-lg); transform: translateY(-150%); transition: var(--t);
    align-items: stretch; max-height: calc(100vh - 72px); overflow-y: auto;
  }
  .nav.open { transform: translateY(0); }
  .nav__link { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav__link::after { display: none; }
  .nav__cta { margin-top: 14px; }
  .nav-toggle { display: flex; }
  .section { padding: 64px 0; }
  .hero__inner { padding: 60px 24px 80px; }
  .hero__points { gap: 14px; }
  .cta-banner__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 560px) {
  .services__grid, .why__grid, .process__grid { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom .container { flex-direction: column; text-align: center; }
  .stats__grid { grid-template-columns: 1fr 1fr; }
}