/* =========================================================
   Technora Bilişim — Stylesheet
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  --c-primary:        #0E5FCC;
  --c-primary-dark:   #0a4ba3;
  --c-primary-light:  #e8f1ff;
  --c-primary-50:     #f4f8ff;

  --c-gray-900:       #14181f;
  --c-gray-800:       #1f2630;
  --c-gray-700:       #3a4250;
  --c-gray-600:       #5b6473;
  --c-gray-500:       #8a93a3;
  --c-gray-400:       #b6bcc7;
  --c-gray-300:       #d6dae1;
  --c-gray-200:       #e6e9ee;
  --c-gray-100:       #f3f5f8;
  --c-gray-50:        #f9fafc;
  --c-white:          #ffffff;

  --c-success:        #15a35b;
  --c-warning:        #e9a40a;
  --c-danger:         #d24545;

  --shadow-sm:        0 1px 2px rgba(20,24,31,.06);
  --shadow:           0 6px 20px rgba(20,24,31,.06);
  --shadow-md:        0 10px 30px rgba(20,24,31,.08);
  --shadow-lg:        0 20px 50px rgba(14,95,204,.18);

  --radius-sm:        6px;
  --radius:           10px;
  --radius-lg:        16px;
  --radius-xl:        24px;

  --container:        1200px;
  --header-h:         84px;

  --t-fast:           .15s ease;
  --t:                .25s ease;
  --t-slow:           .45s cubic-bezier(.2,.8,.2,1);

  --font-sans:        'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-gray-800);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--c-primary); }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
ul, ol { list-style: none; }
input, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 { color: var(--c-gray-900); line-height: 1.2; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4vw + 1rem, 3.25rem); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 2.2vw + .5rem, 2.4rem); font-weight: 800; letter-spacing: -.02em; }
h3 { font-size: clamp(1.25rem, 1vw + .8rem, 1.5rem); }
h4 { font-size: 1.125rem; }
p  { color: var(--c-gray-700); }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section--tight { padding: clamp(40px, 6vw, 72px) 0; }
.section--alt { background: var(--c-gray-50); }
.section--brand { background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%); color: var(--c-white); }
.section--brand h2, .section--brand h3, .section--brand p { color: var(--c-white); }

.section__head { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.section__eyebrow {
  display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .15em;
  text-transform: uppercase; color: var(--c-primary);
  background: var(--c-primary-light); padding: 6px 14px; border-radius: 999px; margin-bottom: 16px;
}
.section--brand .section__eyebrow { color: var(--c-white); background: rgba(255,255,255,.18); }
.section__head p { font-size: 1.0625rem; margin-top: 12px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; font-size: .9375rem; font-weight: 600;
  border-radius: var(--radius); transition: all var(--t); white-space: nowrap;
  border: 2px solid transparent; cursor: pointer; line-height: 1;
}
.btn--primary { background: var(--c-primary); color: var(--c-white); }
.btn--primary:hover { background: var(--c-primary-dark); color: var(--c-white); transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn--ghost { background: transparent; color: var(--c-white); border-color: rgba(255,255,255,.4); }
.btn--ghost:hover { background: var(--c-white); color: var(--c-primary); border-color: var(--c-white); }
.btn--outline { background: transparent; color: var(--c-primary); border-color: var(--c-primary); }
.btn--outline:hover { background: var(--c-primary); color: var(--c-white); }
.btn--lg { padding: 16px 32px; font-size: 1rem; }
.btn--block { width: 100%; }

/* ---------- Top Bar ---------- */
.topbar { background: var(--c-gray-900); color: var(--c-gray-300); font-size: .8125rem; }
.topbar__inner { display: flex; justify-content: space-between; align-items: center; height: 36px; }
.topbar__left { display: flex; gap: 24px; }
.topbar__link { display: inline-flex; align-items: center; gap: 6px; color: var(--c-gray-300); }
.topbar__link:hover { color: var(--c-white); }
.topbar__right { display: flex; gap: 14px; }
.topbar__social { color: var(--c-gray-400); transition: color var(--t-fast); }
.topbar__social:hover { color: var(--c-white); }

/* ---------- Header ---------- */
.header {
  background: var(--c-white); border-bottom: 1px solid var(--c-gray-200);
  position: sticky; top: 0; z-index: 80;
  transition: box-shadow var(--t);
}
.header.is-scrolled { box-shadow: var(--shadow); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: var(--header-h); }
.header__logo img { height: 52px; width: auto; }
.header__cta { flex-shrink: 0; }
.header__burger { display: none; width: 44px; height: 44px; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.header__burger span { display: block; width: 26px; height: 2.5px; background: var(--c-gray-900); border-radius: 3px; transition: all var(--t); }
.header__burger.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.header__burger.is-open span:nth-child(2) { opacity: 0; }
.header__burger.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Nav ---------- */
.nav { flex: 1; display: flex; justify-content: center; }
.nav__list { display: flex; gap: 4px; }
.nav__item { position: relative; }
.nav__link {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 12px 16px; font-weight: 600; font-size: .9375rem; color: var(--c-gray-800);
  border-radius: var(--radius-sm); transition: all var(--t-fast);
}
.nav__link:hover { color: var(--c-primary); background: var(--c-primary-50); }
.nav__item.is-active > .nav__link { color: var(--c-primary); }
.nav__caret { transition: transform var(--t-fast); }
.nav__item.has-submenu:hover .nav__caret { transform: rotate(180deg); }

.submenu {
  position: absolute; top: calc(100% + 8px); left: 0;
  min-width: 280px; background: var(--c-white);
  border: 1px solid var(--c-gray-200); border-radius: var(--radius);
  box-shadow: var(--shadow-md); padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all var(--t);
}
.nav__item.has-submenu:hover .submenu,
.nav__item.has-submenu:focus-within .submenu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.submenu li a {
  display: block; padding: 10px 14px; border-radius: var(--radius-sm);
  font-size: .9375rem; color: var(--c-gray-700); transition: all var(--t-fast);
}
.submenu li a:hover { background: var(--c-primary-light); color: var(--c-primary); }

/* ---------- Mobile Nav ---------- */
.mobile-nav {
  position: fixed; top: calc(36px + var(--header-h)); left: 0; right: 0; bottom: 0;
  background: var(--c-white); overflow-y: auto; z-index: 70;
  transform: translateX(-100%); transition: transform var(--t);
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav__list > li { border-bottom: 1px solid var(--c-gray-200); }
.mobile-nav__list a, .mobile-nav__toggle {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 18px 24px; font-weight: 600; font-size: 1rem;
  color: var(--c-gray-900); text-align: left;
}
.mobile-nav__sub { display: none; background: var(--c-gray-50); }
.mobile-nav__sub a { padding: 14px 32px; font-weight: 500; font-size: .9375rem; color: var(--c-gray-700); }
.mobile-nav__list > li.is-open .mobile-nav__sub { display: block; }
.mobile-nav__list > li.is-open .mobile-nav__toggle svg { transform: rotate(180deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #0a4ba3 0%, #0E5FCC 50%, #1577e8 100%);
  color: var(--c-white); padding: clamp(72px, 10vw, 120px) 0;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    radial-gradient(ellipse at top right, rgba(255,255,255,.12), transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(0,0,0,.18), transparent 50%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 64px 64px; opacity: .5; pointer-events: none;
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: center; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; font-size: .8125rem; font-weight: 600; letter-spacing: .05em;
  background: rgba(255,255,255,.14); backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.2); border-radius: 999px; margin-bottom: 24px;
}
.hero__eyebrow::before { content: ''; width: 6px; height: 6px; background: #6cf09a; border-radius: 50%; box-shadow: 0 0 0 4px rgba(108,240,154,.25); }
.hero h1 { color: var(--c-white); margin-bottom: 20px; }
.hero h1 strong { color: #aed4ff; font-weight: 800; }
.hero__lead { font-size: 1.125rem; color: rgba(255,255,255,.9); max-width: 560px; margin-bottom: 32px; }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.hero__metrics { display: flex; gap: 32px; flex-wrap: wrap; }
.hero__metric strong { display: block; font-size: 2rem; font-weight: 800; color: var(--c-white); }
.hero__metric span { font-size: .875rem; color: rgba(255,255,255,.75); }

.hero__visual { position: relative; }
.hero__card {
  background: rgba(255,255,255,.08); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius-xl);
  padding: 32px; box-shadow: var(--shadow-lg);
}
.hero__card-row { display: flex; align-items: center; gap: 16px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.hero__card-row:last-child { border-bottom: 0; }
.hero__card-icon {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  display: grid; place-items: center; background: rgba(255,255,255,.14); color: #aed4ff;
}
.hero__card-text strong { display: block; color: var(--c-white); font-size: .9375rem; margin-bottom: 2px; }
.hero__card-text span { font-size: .8125rem; color: rgba(255,255,255,.7); }

/* ---------- Page Header (inner pages) ---------- */
.page-header {
  background: linear-gradient(135deg, #0a4ba3 0%, #0E5FCC 100%);
  color: var(--c-white); padding: 80px 0 100px; position: relative; overflow: hidden;
}
.page-header::after {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px; opacity: .6;
}
.page-header__inner { position: relative; text-align: center; }
.page-header h1 { color: var(--c-white); margin-bottom: 12px; }
.page-header p { color: rgba(255,255,255,.85); font-size: 1.0625rem; max-width: 640px; margin: 0 auto; }
.breadcrumb { display: flex; justify-content: center; gap: 8px; font-size: .875rem; color: rgba(255,255,255,.7); margin-top: 20px; }
.breadcrumb a:hover { color: var(--c-white); }
.breadcrumb span { color: rgba(255,255,255,.5); }

/* ---------- About / Split section ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split__media {
  position: relative; border-radius: var(--radius-xl); overflow: hidden; aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--c-primary-light), var(--c-gray-100));
  display: grid; place-items: center;
  box-shadow: var(--shadow-md);
}
.split__media-icon { width: 96px; height: 96px; color: var(--c-primary); opacity: .35; }
.split__media img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.split__media::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 50%, rgba(14,95,204,.18) 100%);
}
.split__content h2 { margin-bottom: 16px; }
.split__content p + p { margin-top: 14px; }
.split__list { margin-top: 24px; display: grid; gap: 14px; }
.split__list li { display: flex; gap: 12px; align-items: flex-start; }
.split__list svg { flex-shrink: 0; color: var(--c-primary); width: 22px; height: 22px; margin-top: 2px; }
.split__list strong { display: block; color: var(--c-gray-900); margin-bottom: 2px; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat {
  text-align: center; padding: 32px 24px;
  background: var(--c-white); border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-lg); transition: all var(--t);
}
.stat:hover { border-color: var(--c-primary); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat__icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: var(--c-primary-light); color: var(--c-primary);
  display: grid; place-items: center; margin: 0 auto 14px;
}
.stat__num { font-size: clamp(2rem, 3vw, 2.75rem); font-weight: 800; color: var(--c-primary); line-height: 1; }
.stat__suffix { color: var(--c-primary); font-weight: 800; }
.stat__label { color: var(--c-gray-600); font-size: .9375rem; margin-top: 8px; }
.section--brand .stat { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18); }
.section--brand .stat:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.3); }
.section--brand .stat__icon { background: rgba(255,255,255,.16); color: var(--c-white); }
.section--brand .stat__num, .section--brand .stat__suffix { color: var(--c-white); }
.section--brand .stat__label { color: rgba(255,255,255,.85); }

/* ---------- Service Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  position: relative; background: var(--c-white);
  border: 1px solid var(--c-gray-200); border-radius: var(--radius-lg);
  padding: 32px 28px; transition: all var(--t); overflow: hidden;
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--c-primary); transform: scaleX(0); transform-origin: left;
  transition: transform var(--t);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--c-primary-light); }
.card:hover::before { transform: scaleX(1); }
.card__icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: var(--c-primary-light); color: var(--c-primary);
  display: grid; place-items: center; margin-bottom: 18px; transition: all var(--t);
}
.card:hover .card__icon { background: var(--c-primary); color: var(--c-white); }
.card h3 { margin-bottom: 10px; font-size: 1.1875rem; }
.card p { font-size: .9375rem; color: var(--c-gray-600); }
.card__more {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 18px;
  font-weight: 600; font-size: .875rem; color: var(--c-primary);
}
.card__more svg { transition: transform var(--t-fast); }
.card:hover .card__more svg { transform: translateX(4px); }

/* ---------- Reasons (3-up large) ---------- */
.reasons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.reason {
  text-align: center; padding: 40px 28px;
  background: var(--c-white); border-radius: var(--radius-lg);
  border: 1px solid var(--c-gray-200); transition: all var(--t);
}
.reason:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.reason__big {
  font-size: 3rem; font-weight: 800; color: var(--c-primary); line-height: 1;
  letter-spacing: -.02em; margin-bottom: 8px;
}
.reason h3 { margin-bottom: 8px; }

/* ---------- Logo Grid (referanslar) ---------- */
.logos { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; border: 1px solid var(--c-gray-200); border-radius: var(--radius-lg); overflow: hidden; background: var(--c-white); }
.logos__item {
  aspect-ratio: 4/2; display: grid; place-items: center; padding: 20px;
  border-right: 1px solid var(--c-gray-200); border-bottom: 1px solid var(--c-gray-200);
  color: var(--c-gray-500); font-weight: 700; font-size: .875rem; text-align: center;
  transition: all var(--t); filter: grayscale(1); opacity: .7;
}
.logos__item:hover { background: var(--c-gray-50); filter: grayscale(0); opacity: 1; color: var(--c-gray-800); }

/* ---------- Testimonials ---------- */
.testimonials { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.testimonial {
  background: var(--c-white); padding: 32px; border-radius: var(--radius-lg);
  border: 1px solid var(--c-gray-200); position: relative;
}
.testimonial::before {
  content: '"'; position: absolute; top: 12px; right: 24px;
  font-size: 5rem; line-height: 1; color: var(--c-primary-light); font-family: serif;
}
.testimonial p { font-size: 1rem; color: var(--c-gray-700); font-style: italic; margin-bottom: 20px; }
.testimonial__author { display: flex; align-items: center; gap: 14px; }
.testimonial__avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: var(--c-white); display: grid; place-items: center; font-weight: 700;
}
.testimonial__name { font-weight: 700; color: var(--c-gray-900); }
.testimonial__role { font-size: .8125rem; color: var(--c-gray-500); }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  color: var(--c-white); border-radius: var(--radius-xl);
  padding: clamp(40px, 6vw, 64px); position: relative; overflow: hidden;
  display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap;
}
.cta-banner::before {
  content: ''; position: absolute; top: -50%; right: -10%; width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(255,255,255,.15), transparent 60%);
  pointer-events: none;
}
.cta-banner__text { position: relative; flex: 1; min-width: 280px; }
.cta-banner h2 { color: var(--c-white); margin-bottom: 8px; }
.cta-banner p { color: rgba(255,255,255,.9); font-size: 1.0625rem; }
.cta-banner__actions { position: relative; display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Contact Form ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.contact__info { display: grid; gap: 20px; }
.contact__item {
  display: flex; gap: 16px; padding: 20px;
  background: var(--c-white); border-radius: var(--radius); border: 1px solid var(--c-gray-200);
}
.contact__item-icon {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  background: var(--c-primary-light); color: var(--c-primary);
  display: grid; place-items: center;
}
.contact__item h4 { margin-bottom: 4px; font-size: 1rem; }
.contact__item p, .contact__item a { font-size: .9375rem; color: var(--c-gray-700); }

.form { background: var(--c-white); padding: 36px; border-radius: var(--radius-lg); border: 1px solid var(--c-gray-200); box-shadow: var(--shadow-sm); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form__group { margin-bottom: 18px; }
.form__group--full { grid-column: 1 / -1; }
.form__label { display: block; font-size: .875rem; font-weight: 600; color: var(--c-gray-800); margin-bottom: 8px; }
.form__label .req { color: var(--c-danger); }
.form__input, .form__textarea, .form__select {
  width: 100%; padding: 12px 14px;
  background: var(--c-gray-50); border: 1.5px solid var(--c-gray-200); border-radius: var(--radius-sm);
  font-size: .9375rem; transition: all var(--t-fast);
}
.form__input:focus, .form__textarea:focus, .form__select:focus {
  outline: none; border-color: var(--c-primary); background: var(--c-white);
  box-shadow: 0 0 0 4px var(--c-primary-light);
}
.form__textarea { resize: vertical; min-height: 130px; }
.form__check { display: flex; gap: 10px; align-items: flex-start; font-size: .875rem; color: var(--c-gray-600); }
.form__check input { margin-top: 3px; accent-color: var(--c-primary); }
.form__check a { color: var(--c-primary); font-weight: 600; }
.form__alert { padding: 14px 16px; border-radius: var(--radius-sm); font-size: .9375rem; margin-bottom: 20px; }
.form__alert--ok { background: #e9f8ee; color: #0f6f3a; border: 1px solid #bde5cb; }
.form__alert--err { background: #fdeaea; color: #8a2424; border: 1px solid #f5c5c5; }

/* ---------- Footer ---------- */
.footer { background: var(--c-gray-900); color: var(--c-gray-400); padding: 72px 0 0; margin-top: 0; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr 1fr; gap: 48px; padding-bottom: 56px; }
.footer__logo img { filter: brightness(0) invert(1); height: 44px; }
.footer__about { margin: 18px 0; font-size: .9375rem; color: var(--c-gray-400); line-height: 1.7; }
.footer__contact p { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px; font-size: .875rem; color: var(--c-gray-400); }
.footer__contact svg { color: var(--c-primary); flex-shrink: 0; margin-top: 4px; }
.footer__contact a:hover { color: var(--c-white); }
.footer__heading { color: var(--c-white); font-size: 1rem; font-weight: 700; margin-bottom: 18px; letter-spacing: .01em; }
.footer__links { display: grid; gap: 10px; }
.footer__links a { font-size: .9375rem; color: var(--c-gray-400); transition: all var(--t-fast); }
.footer__links a:hover { color: var(--c-white); padding-left: 4px; }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 22px 0; border-top: 1px solid rgba(255,255,255,.08); font-size: .8125rem;
}
.footer__legal { display: flex; gap: 24px; flex-wrap: wrap; }
.footer__legal a:hover { color: var(--c-white); }

/* ---------- Floating buttons ---------- */
.float-wa, .float-up {
  position: fixed; right: 22px; width: 52px; height: 52px;
  border-radius: 50%; display: grid; place-items: center;
  box-shadow: var(--shadow-md); z-index: 60; transition: all var(--t);
}
.float-wa { bottom: 22px; background: #25D366; color: var(--c-white); }
.float-wa:hover { transform: scale(1.08); color: var(--c-white); }
.float-up {
  bottom: 86px; background: var(--c-white); color: var(--c-primary); border: 1px solid var(--c-gray-200);
  opacity: 0; visibility: hidden; transform: translateY(8px);
}
.float-up.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.float-up:hover { background: var(--c-primary); color: var(--c-white); }

/* ---------- Service detail page ---------- */
.service-detail { display: grid; grid-template-columns: 1fr 2fr; gap: 56px; align-items: start; }
.service-aside {
  position: sticky; top: calc(var(--header-h) + 24px);
  background: var(--c-white); border-radius: var(--radius-lg);
  border: 1px solid var(--c-gray-200); padding: 24px; box-shadow: var(--shadow-sm);
}
.service-aside h4 { margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--c-gray-200); }
.service-aside ul { display: grid; gap: 4px; }
.service-aside a {
  display: block; padding: 10px 14px; font-size: .9375rem; color: var(--c-gray-700);
  border-radius: var(--radius-sm); transition: all var(--t-fast);
}
.service-aside a:hover, .service-aside a.is-active {
  background: var(--c-primary-light); color: var(--c-primary); font-weight: 600;
}
.service-content h2 { margin-bottom: 16px; }
.service-content h3 { margin: 32px 0 12px; }
.service-content p { margin-bottom: 14px; line-height: 1.75; }
.service-content ul.bullets { padding-left: 0; display: grid; gap: 10px; margin: 18px 0; }
.service-content ul.bullets li { padding-left: 28px; position: relative; }
.service-content ul.bullets li::before {
  content: ''; position: absolute; left: 0; top: 8px; width: 18px; height: 18px;
  background: var(--c-primary-light); border-radius: 50%;
}
.service-content ul.bullets li::after {
  content: ''; position: absolute; left: 6px; top: 12px; width: 6px; height: 10px;
  border-right: 2px solid var(--c-primary); border-bottom: 2px solid var(--c-primary);
  transform: rotate(45deg);
}

/* ---------- Tech (kaynaklar) ---------- */
.tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tech-item {
  background: var(--c-white); border: 1px solid var(--c-gray-200); border-radius: var(--radius);
  padding: 20px; text-align: center; transition: all var(--t);
}
.tech-item:hover { border-color: var(--c-primary); transform: translateY(-2px); box-shadow: var(--shadow); }
.tech-item__icon {
  width: 48px; height: 48px; margin: 0 auto 10px;
  background: var(--c-primary-light); color: var(--c-primary); border-radius: 12px;
  display: grid; place-items: center;
}
.tech-item strong { display: block; font-size: .9375rem; color: var(--c-gray-900); margin-bottom: 2px; }
.tech-item span { font-size: .8125rem; color: var(--c-gray-500); }

/* ---------- Quality cert grid ---------- */
.certs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cert {
  background: var(--c-white); border: 1px solid var(--c-gray-200); border-radius: var(--radius-lg);
  padding: 32px; text-align: center; transition: all var(--t);
}
.cert:hover { border-color: var(--c-primary); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.cert__badge {
  width: 80px; height: 80px; margin: 0 auto 18px;
  background: linear-gradient(135deg, var(--c-primary-light), #fff);
  border: 2px solid var(--c-primary); color: var(--c-primary);
  border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: .8125rem;
}
.cert h3 { margin-bottom: 8px; font-size: 1.125rem; }
.cert p { font-size: .9375rem; color: var(--c-gray-600); }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-4 { margin-top: 32px; }
.mb-4 { margin-bottom: 32px; }
.no-scroll { overflow: hidden; }

/* ---------- Animations ---------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.fade-up { animation: fadeUp .7s var(--t-slow) both; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .nav, .header__cta { display: none; }
  .header__burger { display: flex; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { order: -1; max-width: 480px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .reasons { grid-template-columns: 1fr; gap: 18px; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .logos { grid-template-columns: repeat(4, 1fr); }
  .testimonials { grid-template-columns: 1fr; }
  .contact { grid-template-columns: 1fr; gap: 32px; }
  .service-detail { grid-template-columns: 1fr; gap: 32px; }
  .service-aside { position: static; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .tech-grid { grid-template-columns: repeat(3, 1fr); }
  .certs { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .topbar__left { gap: 14px; font-size: .75rem; }
  .topbar__link svg { display: none; }
  .header__inner { height: 72px; }
  .header__logo img { height: 40px; }
  :root { --header-h: 72px; }
  .hero { padding: 56px 0; }
  .hero__metrics { gap: 18px; }
  .hero__metric strong { font-size: 1.5rem; }
  .stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat { padding: 22px 14px; }
  .cards { grid-template-columns: 1fr; }
  .logos { grid-template-columns: repeat(3, 1fr); }
  .form { padding: 22px; }
  .form__row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .cta-banner { flex-direction: column; text-align: center; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .certs { grid-template-columns: 1fr; }
}