/* ==========================================================================
   Brunetech — kurumsal teknoloji sitesi
   Tek dosya tasarım sistemi. Harici font/CDN yok: tüm istekler kendi alan
   adımızdan gider (hız + KVKK açısından temiz).
   ========================================================================== */

/* --- 1. Tokenlar ---------------------------------------------------------- */
:root {
  color-scheme: dark;

  --bg:          #090D12;
  --bg-2:        #0D131A;
  --surface:     #111A22;
  --surface-2:   #16212B;
  --surface-3:   #1C2935;
  --line:        rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);

  --text:        #E9EEF4;
  --text-2:      #A2B1BF;
  --text-3:      #6B7B8A;

  --accent:      #C9884A;
  --accent-soft: #E2AB74;
  --accent-ink:  #1A1206;
  --accent-wash: rgba(201, 136, 74, 0.12);
  --azure:       #5EA9D8;
  --azure-wash:  rgba(94, 169, 216, 0.12);

  --ok:          #4FB477;
  --shadow-sm:   0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-md:   0 10px 30px -12px rgba(0, 0, 0, 0.6);
  --shadow-lg:   0 30px 70px -28px rgba(0, 0, 0, 0.75);

  --r-sm: 8px;
  --r:    14px;
  --r-lg: 20px;
  --r-xl: 28px;

  --container: 1180px;
  --gutter: 24px;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
          "Liberation Mono", monospace;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --header-h: 68px;
}

html[data-theme="light"] {
  color-scheme: light;

  --bg:          #FFFFFF;
  --bg-2:        #F5F7F9;
  --surface:     #FFFFFF;
  --surface-2:   #F2F5F8;
  --surface-3:   #E8EDF2;
  --line:        rgba(9, 13, 18, 0.10);
  --line-strong: rgba(9, 13, 18, 0.18);

  --text:        #0B1218;
  --text-2:      #495A68;
  --text-3:      #788896;

  --accent:      #A8662B;
  --accent-soft: #8E5520;
  --accent-ink:  #FFFFFF;
  --accent-wash: rgba(168, 102, 43, 0.10);
  --azure:       #2C7CB0;
  --azure-wash:  rgba(44, 124, 176, 0.10);

  --shadow-md:   0 10px 30px -14px rgba(9, 13, 18, 0.18);
  --shadow-lg:   0 28px 60px -30px rgba(9, 13, 18, 0.25);
}

/* --- 2. Sıfırlama --------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

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

/* --- 3. Tipografi -------------------------------------------------------- */
h1, h2, h3, h4 {
  font-weight: 650;
  line-height: 1.14;
  letter-spacing: -0.022em;
  color: var(--text);
  text-wrap: balance;
}

h1 { font-size: clamp(2.1rem, 1.35rem + 3.2vw, 3.9rem); }
h2 { font-size: clamp(1.65rem, 1.2rem + 1.9vw, 2.6rem); }
h3 { font-size: clamp(1.12rem, 1rem + 0.5vw, 1.32rem); letter-spacing: -0.014em; }
h4 { font-size: 1rem; letter-spacing: -0.008em; }

p { text-wrap: pretty; }

.lead {
  font-size: clamp(1.03rem, 0.98rem + 0.38vw, 1.22rem);
  line-height: 1.62;
  color: var(--text-2);
}

.muted { color: var(--text-2); }
.small { font-size: 0.875rem; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

/* --- 4. Düzen ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(56px, 7vw, 108px); }
.section--tight { padding-block: clamp(40px, 5vw, 72px); }
.section--alt { background: var(--bg-2); border-block: 1px solid var(--line); }

.section-head { max-width: 760px; margin-bottom: clamp(32px, 4vw, 52px); }
.section-head > * + * { margin-top: 14px; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow::before { display: none; }

.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(286px, 100%), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(230px, 100%), 1fr)); }

.stack > * + * { margin-top: 1rem; }
.stack-sm > * + * { margin-top: 0.5rem; }

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: var(--r-sm);
  font-weight: 600;
  transition: top 0.18s var(--ease);
}
.skip-link:focus { top: 16px; }

/* --- 5. Başlık ----------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease),
              backdrop-filter 0.25s var(--ease);
}
.site-header.is-stuck {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(170%) blur(14px);
  -webkit-backdrop-filter: saturate(170%) blur(14px);
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 680;
  letter-spacing: -0.03em;
  font-size: 1.12rem;
  flex: 0 0 auto;
}
.brand__mark { width: 30px; height: 30px; flex: 0 0 auto; }
.brand__name { color: var(--text); }
.brand__name b { color: var(--accent); font-weight: 680; }

.nav { margin-left: auto; }
.nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  padding: 0;
}
.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 13px;
  border-radius: 10px;
  font-size: 0.925rem;
  font-weight: 520;
  color: var(--text-2);
  transition: color 0.16s var(--ease), background 0.16s var(--ease);
}
.nav__link:hover { color: var(--text); background: var(--surface-2); }
.nav__link[aria-current="page"] { color: var(--text); font-weight: 600; }

.nav__item--has-menu { position: relative; }
.nav__caret { width: 10px; height: 10px; opacity: 0.6; transition: transform 0.2s var(--ease); }
.nav__item--has-menu:hover .nav__caret,
.nav__item--has-menu:focus-within .nav__caret { transform: rotate(180deg); }

.nav__menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  translate: -50% 0;
  min-width: 480px;
  padding: 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  list-style: none;
  opacity: 0;
  visibility: hidden;
  translate: -50% 8px;
  transition: opacity 0.18s var(--ease), translate 0.18s var(--ease),
              visibility 0.18s;
}
.nav__item--has-menu:hover > .nav__menu,
.nav__item--has-menu:focus-within > .nav__menu {
  opacity: 1;
  visibility: visible;
  translate: -50% 0;
}
.nav__menu-link {
  display: block;
  padding: 11px 13px;
  border-radius: 12px;
  transition: background 0.14s var(--ease);
}
.nav__menu-link:hover { background: var(--surface-2); }
.nav__menu-link strong {
  display: block;
  font-size: 0.925rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.nav__menu-link span {
  display: block;
  font-size: 0.8rem;
  color: var(--text-3);
  line-height: 1.45;
  margin-top: 2px;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease),
              background 0.16s var(--ease);
}
.icon-btn:hover { color: var(--text); border-color: var(--line-strong); background: var(--surface-2); }
.icon-btn svg { width: 17px; height: 17px; }
.icon-btn .icon-sun { display: none; }
html[data-theme="light"] .icon-btn .icon-sun { display: block; }
html[data-theme="light"] .icon-btn .icon-moon { display: none; }

/* Başlıktaki arama butonu: geniş ekranda numarayla, darda yalnız ikon. */
.header-call { gap: 7px; }
.header-call svg { width: 15px; height: 15px; color: var(--accent); }
.header-call-mini { display: none; color: var(--accent); }
.header-call-mini:hover { color: var(--accent-soft); }

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 620;
}
.lang-switch a {
  padding: 4px 8px;
  border-radius: 7px;
  color: var(--text-3);
  letter-spacing: 0.03em;
}
.lang-switch a[aria-current="true"] { background: var(--surface-3); color: var(--text); }

.nav-toggle { display: none; }

/* --- 6. Mobil menü ------------------------------------------------------- */
.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 0;
  z-index: 95;
  background: var(--bg);
  padding: 20px var(--gutter) 40px;
  overflow-y: auto;
  display: none;
  flex-direction: column;
  gap: 6px;
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a {
  padding: 13px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 1.05rem;
  font-weight: 560;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mobile-nav a span { font-size: 0.8rem; color: var(--text-3); font-weight: 400; }
.mobile-nav .btn { margin-top: 18px; border-bottom: 0; justify-content: center; }
.mobile-nav__group {
  margin-top: 14px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  font-weight: 650;
}
body.nav-open { overflow: hidden; }

/* --- 7. Butonlar --------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 11px;
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.14s var(--ease), background 0.16s var(--ease),
              border-color 0.16s var(--ease), color 0.16s var(--ease),
              box-shadow 0.16s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 16px; height: 16px; }

.btn--primary {
  background: linear-gradient(180deg, var(--accent-soft), var(--accent));
  color: var(--accent-ink);
  box-shadow: 0 6px 18px -8px color-mix(in srgb, var(--accent) 70%, transparent);
}
.btn--primary:hover { filter: brightness(1.06); box-shadow: 0 10px 26px -10px color-mix(in srgb, var(--accent) 80%, transparent); }

.btn--ghost { border-color: var(--line-strong); color: var(--text); }
.btn--ghost:hover { background: var(--surface-2); border-color: var(--text-3); }

.btn--quiet { color: var(--text-2); padding-inline: 4px; }
.btn--quiet:hover { color: var(--accent); }

.btn--lg { padding: 14px 26px; font-size: 1rem; }
.btn--sm { padding: 9px 15px; font-size: 0.87rem; }
.btn--block { width: 100%; }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* --- 8. Hero ------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(56px, 8vw, 108px) clamp(56px, 7vw, 96px);
  overflow: hidden;
  isolation: isolate;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.hero__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 52% at 16% 4%, var(--accent-wash), transparent 68%),
    radial-gradient(52% 48% at 92% 10%, var(--azure-wash), transparent 66%);
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: -1px;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(120% 80% at 50% 0%, #000 10%, transparent 72%);
  -webkit-mask-image: radial-gradient(120% 80% at 50% 0%, #000 10%, transparent 72%);
  opacity: 0.8;
}

.hero__grid {
  display: grid;
  gap: clamp(36px, 5vw, 64px);
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  align-items: center;
}
.hero__copy, .hero__visual { min-width: 0; }
.hero__copy > * + * { margin-top: 20px; }
.hero__copy .lead { max-width: 54ch; }
.hero h1 .accent {
  background: linear-gradient(100deg, var(--accent-soft), var(--accent) 55%, var(--azure));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
  padding: 8px 0 0;
  list-style: none;
  font-size: 0.86rem;
  color: var(--text-2);
}
.hero__meta li { display: flex; align-items: center; gap: 7px; list-style: none; }
.hero__meta svg { width: 15px; height: 15px; color: var(--accent); flex: 0 0 auto; }

/* Hero görseli: kod + konsol kartı */
.panel {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.panel__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}
.panel__dots { display: flex; gap: 6px; }
.panel__dots i {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--line-strong);
}
.panel__title {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--text-3);
  letter-spacing: 0.01em;
}
.panel__body { padding: 18px; }

.code {
  font-family: var(--mono);
  font-size: 0.795rem;
  line-height: 1.85;
  white-space: pre;
  overflow-x: auto;
  color: var(--text-2);
  tab-size: 2;
}
.code .k { color: var(--azure); }
.code .s { color: var(--accent-soft); }
.code .c { color: var(--text-3); font-style: italic; }
.code .f { color: var(--text); }

.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}
.stat-strip div { background: var(--surface); padding: 14px 16px; }
.stat-strip b {
  display: block;
  font-size: 1.06rem;
  font-weight: 660;
  letter-spacing: -0.02em;
}
.stat-strip span { font-size: 0.74rem; color: var(--text-3); }

/* --- 9. Kartlar ---------------------------------------------------------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease),
              box-shadow 0.2s var(--ease), background 0.2s var(--ease);
}
.card p { color: var(--text-2); font-size: 0.94rem; }

a.card:hover,
.card--link:hover {
  border-color: color-mix(in srgb, var(--accent) 46%, var(--line));
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--accent-wash);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
}
.card__icon svg { width: 20px; height: 20px; }

.card__more {
  margin-top: auto;
  padding-top: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.card__more svg { width: 14px; height: 14px; transition: transform 0.18s var(--ease); }
a.card:hover .card__more svg { transform: translateX(3px); }

.tick-list { list-style: none; padding: 0; display: grid; gap: 10px; }
.tick-list li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  font-size: 0.94rem;
  color: var(--text-2);
}
.tick-list svg { width: 18px; height: 18px; color: var(--accent); margin-top: 3px; }
.tick-list b { color: var(--text); font-weight: 600; }

/* --- 10. Süreç ----------------------------------------------------------- */
.steps { counter-reset: step; display: grid; gap: 18px; }
.steps--4 { grid-template-columns: repeat(auto-fit, minmax(min(234px, 100%), 1fr)); }
.step {
  position: relative;
  padding: 26px 22px 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 12px;
}
.step h3 { margin-bottom: 8px; }
.step p { font-size: 0.92rem; color: var(--text-2); }
.step__meta {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 0.78rem;
  color: var(--text-3);
  font-family: var(--mono);
}

/* --- 11. Teknoloji etiketleri -------------------------------------------- */
.tech-groups { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.tech-group h4 { color: var(--text-2); font-size: 0.76rem; letter-spacing: 0.13em; text-transform: uppercase; margin-bottom: 12px; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; }
.pills li {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-size: 0.82rem;
  color: var(--text-2);
  font-family: var(--mono);
  letter-spacing: -0.01em;
}

/* --- 12. Sektör listesi -------------------------------------------------- */
.sector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.sector {
  background: var(--surface);
  padding: 20px;
  transition: background 0.18s var(--ease);
}
.sector:hover { background: var(--surface-2); }
.sector b { display: block; font-size: 0.96rem; font-weight: 620; margin-bottom: 5px; }
.sector span { font-size: 0.84rem; color: var(--text-3); }

/* --- 13. Alıntı / vurgu bloğu -------------------------------------------- */
.callout {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(min(290px, 100%), 1fr));
  align-items: center;
  padding: clamp(26px, 3.6vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background:
    radial-gradient(90% 120% at 100% 0%, var(--accent-wash), transparent 62%),
    var(--surface);
}
.callout h2 { font-size: clamp(1.4rem, 1.1rem + 1.1vw, 2rem); }
.callout p { color: var(--text-2); margin-top: 12px; }

/* --- 14. SSS ------------------------------------------------------------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 19px 2px;
  cursor: pointer;
  font-weight: 580;
  font-size: 1.01rem;
  letter-spacing: -0.01em;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  rotate: 45deg;
  transition: rotate 0.22s var(--ease);
}
.faq details[open] summary::after { rotate: -135deg; }
.faq details p { padding: 0 2px 20px; color: var(--text-2); max-width: 78ch; }

/* --- 15. Form ------------------------------------------------------------ */
.form-grid { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 0.84rem; font-weight: 600; color: var(--text-2); }
.field label .req { color: var(--accent); }
.field input, .field select, .field textarea {
  padding: 12px 14px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 11px;
  transition: border-color 0.16s var(--ease), background 0.16s var(--ease);
  width: 100%;
}
.field textarea { min-height: 132px; resize: vertical; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--line-strong); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-3); }
.field__hint { font-size: 0.78rem; color: var(--text-3); }

.form-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.8rem;
  color: var(--text-3);
  line-height: 1.55;
}
.form-note svg { width: 15px; height: 15px; margin-top: 3px; flex: 0 0 auto; color: var(--accent); }

.contact-cards { display: grid; gap: 14px; }
.contact-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}
.contact-card:hover { border-color: var(--line-strong); background: var(--surface-2); }
.contact-card svg { width: 19px; height: 19px; color: var(--accent); margin-top: 3px; flex: 0 0 auto; }
.contact-card b { display: block; font-size: 0.93rem; }
.contact-card span { font-size: 0.86rem; color: var(--text-2); word-break: break-word; }

/* --- 16. Sayfa başlığı (alt sayfalar) ------------------------------------ */
.page-head {
  position: relative;
  padding-block: clamp(44px, 6vw, 84px) clamp(32px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  isolation: isolate;
}
.page-head::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(70% 100% at 10% 0%, var(--accent-wash), transparent 60%);
}
.page-head__inner { max-width: 820px; }
.page-head h1 { font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3rem); margin-block: 14px 16px; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-3);
  list-style: none;
  padding: 0;
}
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before { content: "/"; opacity: 0.5; }
.breadcrumb a:hover { color: var(--accent); }

/* --- 17. İçerik düzeni (yan sütunlu) ------------------------------------- */
.with-aside {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  grid-template-columns: minmax(0, 1fr) 320px;
  align-items: start;
}
.aside-card {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(100% 100% at 100% 0%, var(--accent-wash), transparent 60%),
    var(--surface);
}
.aside-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.aside-card p { font-size: 0.9rem; color: var(--text-2); margin-bottom: 18px; }

.with-aside > * { min-width: 0; }
.prose > * + * { margin-top: 1.1rem; }
.prose h2 {
  margin-top: 2.4rem;
  font-size: clamp(1.38rem, 1.15rem + 0.85vw, 1.82rem);
  letter-spacing: -0.018em;
}
.prose h3 { margin-top: 1.9rem; font-size: 1.08rem; }
.prose .tick-list { padding-left: 0; }
.prose .tick-list li::marker { content: none; }
.prose .faq { margin-top: 1.2rem; }
.prose p, .prose li { color: var(--text-2); }
.prose strong { color: var(--text); font-weight: 620; }
.prose ul, .prose ol { padding-left: 1.2rem; display: grid; gap: 0.5rem; }
.prose li::marker { color: var(--accent); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin-block: 2rem; }

/* --- 18. Alt bilgi ------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-2);
  padding-block: clamp(42px, 5vw, 66px) 26px;
  margin-top: clamp(40px, 5vw, 72px);
}
.footer-grid {
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(240px, 1.4fr) repeat(auto-fit, minmax(150px, 1fr));
}
.footer-brand p { font-size: 0.9rem; color: var(--text-2); margin-top: 14px; max-width: 34ch; }
.footer-col h4 {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; padding: 0; display: grid; gap: 9px; }
.footer-col a { font-size: 0.91rem; color: var(--text-2); transition: color 0.15s var(--ease); }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  justify-content: space-between;
  align-items: center;
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--text-3);
}
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-bottom a:hover { color: var(--accent); }

/* --- 19. Hareket --------------------------------------------------------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
}

/* --- 20. Duyarlılık ------------------------------------------------------ */
@media (max-width: 1040px) {
  .with-aside { grid-template-columns: minmax(0, 1fr); }
  .aside-card { position: static; }
  /* Telefondan gelen ziyaretçi önce arama butonunu görsün, formu sonra. */
  .contact-grid > :last-child { order: -1; }
}

@media (max-width: 1040px) {
  .header-call { display: none; }
  .header-call-mini { display: inline-grid; }
}

@media (max-width: 960px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); }
  .hero__visual { max-width: 560px; }
  .nav, .lang-switch { display: none; }
  .nav-toggle { display: inline-grid; }
  .header-tools .btn--primary { display: none; }
}

@media (max-width: 620px) {
  :root { --gutter: 18px; }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .stat-strip { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .hero__meta { gap: 8px 16px; }
  .code { font-size: 0.7rem; line-height: 1.75; }
  .panel__body { padding: 14px; }
}

/* --- 21. Yazdırma -------------------------------------------------------- */
@media print {
  .site-header, .mobile-nav, .site-footer, .aside-card, .hero__bg { display: none !important; }
  body { background: #fff; color: #000; }
}