/* ==========================================================================
   Bionway — styles.css
   --------------------------------------------------------------------------
   01. Tasarım belirteçleri (açık / koyu / ters yüzey)
   02. Sıfırlama ve temel öğeler
   03. Yardımcılar (container, ikon, görünmez metin, atlama bağlantısı)
   04. Düğmeler ve bağlantılar
   05. Üst bilgi ve gezinme
   06. Hero ve imza görsel
   07. Bölüm iskeleti
   08. Hizmetler (bento)
   09. Süreç (zaman çizelgesi)
   10. Çözümler ve çizim maketleri
   11. Teknolojiler
   12. Hakkımızda
   13. SSS
   14. İletişim ve form
   15. Alt bilgi
   15b. Ayrıntı paneli
   16. Hareket (animasyonlar, kaydırınca belirme, azaltılmış hareket)
   ========================================================================== */

/* ==========================================================================
   01. Tasarım belirteçleri
   ========================================================================== */
:root {
  color-scheme: light;

  /* Renk — açık tema (varsayılan) */
  --color-bg: #F8FAFC;
  --color-bg-subtle: #F1F5F9;
  --color-surface: #FFFFFF;
  --color-surface-2: #F1F5F9;
  --color-text: #0F172A;
  --color-text-muted: #475569;
  --color-border: #E2E8F0;
  --color-border-strong: #CBD5E1;
  --color-border-input: #7C8BA1;
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-text: #1D4ED8;
  --color-primary-soft: #EAF1FE;
  --color-on-primary: #FFFFFF;
  --color-accent: #059669;
  --color-accent-text: #047857;
  --color-accent-soft: #E3F5EE;
  --color-danger: #B91C1C;
  --color-focus: #2563EB;

  --header-bg: rgba(248, 250, 252, 0.8);
  --glass-bg: rgba(255, 255, 255, 0.88);
  --glass-border: rgba(203, 213, 225, 0.7);
  --grid-dot: rgba(15, 23, 42, 0.09);
  --hero-glow: rgba(37, 99, 235, 0.11);
  --hero-glow-accent: rgba(5, 150, 105, 0.08);
  --mock-block: #D5DDE8;
  --mock-block-2: #EBEFF5;

  /* Logo */
  --logo-tile: #0F172A;
  --logo-glyph: #FFFFFF;
  --logo-dot: #34D399;

  /* Ters (koyu) yüzey: iletişim bandı ve öne çıkan kart */
  --band-bg: #0F172A;
  --band-text: #F1F5F9;
  --band-muted: #A9B8CF;
  --band-border: rgba(148, 163, 184, 0.22);
  --band-border-strong: rgba(148, 163, 184, 0.38);
  --band-chip: rgba(148, 163, 184, 0.14);
  --band-primary: #60A5FA;
  --band-primary-hover: #93C5FD;
  --band-primary-soft: rgba(96, 165, 250, 0.16);
  --band-on-primary: #0B1120;
  --band-accent: #34D399;
  --band-accent-soft: rgba(52, 211, 153, 0.16);
  --band-mock-block: rgba(148, 163, 184, 0.3);
  --band-mock-block-2: rgba(148, 163, 184, 0.14);

  /* Kod editörü (iki temada da koyu) */
  --code-bg: #0D1526;
  --code-chrome: #131D33;
  --code-border: rgba(148, 163, 184, 0.2);
  --code-text: #D9E2F1;
  --code-muted: #8494AD;
  --code-keyword: #7DB4FF;
  --code-string: #6EE7B7;
  --code-function: #FBBF77;
  --code-type: #F0ABD8;
  --code-dot: #33415A;

  /* Gölge ölçeği */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 6px 16px -4px rgba(15, 23, 42, 0.1), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 28px 56px -20px rgba(15, 23, 42, 0.28), 0 10px 20px -10px rgba(15, 23, 42, 0.1);

  /* Tipografi */
  --font-heading: "Space Grotesk", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

  --fs-h1: clamp(2.125rem, 1rem + 3.2vw, 3.75rem);
  --fs-h2: clamp(1.75rem, 1.2rem + 1.9vw, 2.75rem);
  --fs-h3: 1.1875rem;
  --fs-lead: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
  --fs-body: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --fs-sm: 0.9375rem;
  --fs-xs: 0.8125rem;

  /* Boşluk (8px ölçeği) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 40px;
  --space-8: 48px;
  --space-9: 64px;
  --section-y: clamp(72px, 9vw, 128px);
  --gutter: clamp(20px, 4vw, 24px);
  --container: 1200px;

  /* Köşe yarıçapı */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;

  --header-h: 64px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur: 200ms;
}

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

  --color-bg: #0B1120;
  --color-bg-subtle: #0E1628;
  --color-surface: #111A2E;
  --color-surface-2: rgba(148, 163, 184, 0.1);
  --color-text: #E6EDF7;
  --color-text-muted: #9FB0C8;
  --color-border: rgba(148, 163, 184, 0.16);
  --color-border-strong: rgba(148, 163, 184, 0.3);
  --color-border-input: #64748B;
  --color-primary: #60A5FA;
  --color-primary-hover: #93C5FD;
  --color-primary-text: #7FB5FB;
  --color-primary-soft: rgba(96, 165, 250, 0.14);
  --color-on-primary: #0B1120;
  --color-accent: #34D399;
  --color-accent-text: #34D399;
  --color-accent-soft: rgba(52, 211, 153, 0.14);
  --color-danger: #FCA5A5;
  --color-focus: #93C5FD;

  --header-bg: rgba(11, 17, 32, 0.78);
  --glass-bg: rgba(20, 31, 54, 0.86);
  --glass-border: rgba(148, 163, 184, 0.24);
  --grid-dot: rgba(148, 163, 184, 0.13);
  --hero-glow: rgba(96, 165, 250, 0.13);
  --hero-glow-accent: rgba(52, 211, 153, 0.07);
  --mock-block: rgba(148, 163, 184, 0.3);
  --mock-block-2: rgba(148, 163, 184, 0.13);

  --logo-tile: #E6EDF7;
  --logo-glyph: #0B1120;
  --logo-dot: #059669;

  --band-bg: #16223D;

  --code-bg: #0F192E;
  --code-chrome: #142039;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 16px -4px rgba(0, 0, 0, 0.45), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 28px 56px -20px rgba(0, 0, 0, 0.7), 0 10px 20px -10px rgba(0, 0, 0, 0.4);
}

/* Ters yüzey: anlamsal belirteçleri koyu bant değerlerine eşler;
   içindeki bileşenler ek kural gerektirmeden doğru renkleri alır. */
.theme-inverse {
  --color-surface: var(--band-bg);
  --color-surface-2: var(--band-chip);
  --color-text: var(--band-text);
  --color-text-muted: var(--band-muted);
  --color-border: var(--band-border);
  --color-border-strong: var(--band-border-strong);
  --color-primary: var(--band-primary);
  --color-primary-hover: var(--band-primary-hover);
  --color-primary-text: var(--band-primary-hover);
  --color-primary-soft: var(--band-primary-soft);
  --color-on-primary: var(--band-on-primary);
  --color-accent: var(--band-accent);
  --color-accent-text: var(--band-accent);
  --color-accent-soft: var(--band-accent-soft);
  --color-focus: var(--band-primary-hover);
  --mock-block: var(--band-mock-block);
  --mock-block-2: var(--band-mock-block-2);

  background-color: var(--band-bg);
  color: var(--band-text);
}

@media (min-width: 1024px) {
  :root { --header-h: 72px; }
}

/* ==========================================================================
   02. Sıfırlama ve temel öğeler
   ========================================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-padding-top: calc(var(--header-h) + 8px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.is-locked { overflow: hidden; }

h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }

h1, h2, h3 {
  font-family: var(--font-heading);
  line-height: 1.15;
  text-wrap: balance;
}

p { text-wrap: pretty; }

a { color: inherit; text-decoration: none; }
svg { display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

::selection {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}

/* ==========================================================================
   03. Yardımcılar
   ========================================================================== */
.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  flex: none;
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.skip-link {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 200;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 600;
  transform: translateY(-200%);
}

.skip-link:focus { transform: none; }

.status-dot {
  position: relative;
  display: inline-block;
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.eyebrow {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase; /* lang="tr" sayesinde i → İ doğru dönüşür */
}

.eyebrow__num { color: var(--color-accent-text); }

.eyebrow__num::after {
  content: "/";
  margin-inline: var(--space-2);
  color: var(--color-border-strong);
}

/* ==========================================================================
   04. Düğmeler ve bağlantılar
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: 10px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.25;
  text-align: center;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.btn .icon { transition: transform var(--dur) var(--ease); }
.btn:hover .icon { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}

.btn--primary:hover { background-color: var(--color-primary-hover); }

.btn--secondary {
  border-color: var(--color-border-strong);
  background-color: var(--color-surface);
  color: var(--color-text);
}

.btn--secondary:hover { border-color: var(--color-text-muted); }

.btn--sm {
  min-height: 44px;
  padding: 8px 16px;
  font-size: var(--fs-sm);
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background-color: transparent;
  color: var(--color-text);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.icon-btn:hover {
  border-color: var(--color-border);
  background-color: var(--color-surface-2);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
  color: var(--color-primary-text);
  font-weight: 600;
}

.text-link .icon { transition: transform var(--dur) var(--ease); }
.text-link:hover .icon { transform: translateX(4px); }

.inline-link {
  color: var(--color-primary-text);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.inline-link:hover { text-decoration-thickness: 2px; }

/* ==========================================================================
   05. Üst bilgi ve gezinme
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  background-color: var(--header-bg);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
}

.site-header.is-menu-open {
  border-bottom-color: var(--color-border);
  background-color: var(--color-bg);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: var(--header-h);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.site-header__cta { display: none; }

/* Logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--color-text);
}

.logo__mark {
  flex: none;
  width: 32px;
  height: 32px;
}

.logo__tile { fill: var(--logo-tile); }

.logo__glyph {
  fill: none;
  stroke: var(--logo-glyph);
  stroke-width: 2.5;
  stroke-linecap: round;
}

.logo__dot { fill: var(--logo-dot); }

.logo__word {
  font-family: var(--font-heading);
  font-size: 1.3125rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

/* Tema düğmesi: etkin temaya göre tek ikon görünür */
.theme-toggle__sun { display: none; }
[data-theme="dark"] .theme-toggle__sun { display: block; }
[data-theme="dark"] .theme-toggle__moon { display: none; }
html:not(.js) .theme-toggle { display: none; }

/* Menü düğmesi */
.nav-toggle__close { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__open { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__close { display: block; }

.site-nav__link {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 44px;
  color: var(--color-text-muted);
  font-weight: 500;
  transition: color var(--dur) var(--ease);
}

.site-nav__link:hover,
.site-nav__link[aria-current] { color: var(--color-text); }

/* Mobil menü (JS yoksa gezinme alt bilgideki bağlantılarla sağlanır) */
@media (max-width: 1023.98px) {
  html:not(.js) .site-nav,
  html:not(.js) .nav-toggle { display: none; }

  .js .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    height: calc(100vh - var(--header-h));
    height: calc(100dvh - var(--header-h));
    padding: var(--space-4) var(--gutter) var(--space-6);
    overflow-y: auto;
    overscroll-behavior: contain;
    background-color: var(--color-bg);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s linear var(--dur);
  }

  .js .site-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  }

  .site-nav__link {
    min-height: 56px;
    border-bottom: 1px solid var(--color-border);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-text);
  }

  .site-nav__link[aria-current] { color: var(--color-primary-text); }
}

@media (min-width: 640px) {
  .site-header__cta { display: inline-flex; }
  .site-nav__cta { display: none; }
}

@media (min-width: 1024px) {
  .nav-toggle { display: none; }

  .site-nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }

  .site-nav__link {
    padding-inline: var(--space-3);
    font-size: var(--fs-sm);
  }

  .site-nav__link::after {
    content: "";
    position: absolute;
    left: var(--space-3);
    right: var(--space-3);
    bottom: 6px;
    height: 2px;
    border-radius: 1px;
    background-color: var(--color-primary);
    opacity: 0;
    transform: scaleX(0.4);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  }

  .site-nav__link[aria-current]::after {
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   06. Hero ve imza görsel
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  overflow: clip;
  padding-block: clamp(40px, 7vw, 88px) var(--section-y);
}

/* Arka plan: soluk nokta ızgarası + yumuşak ışıma */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero::before {
  inset: 0;
  background-image: radial-gradient(var(--grid-dot) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(ellipse 75% 70% at 72% 30%, black 15%, transparent 72%);
  mask-image: radial-gradient(ellipse 75% 70% at 72% 30%, black 15%, transparent 72%);
}

.hero::after {
  top: -20%;
  right: -10%;
  width: min(820px, 90vw);
  aspect-ratio: 1;
  background:
    radial-gradient(closest-side, var(--hero-glow), transparent),
    radial-gradient(closest-side at 30% 75%, var(--hero-glow-accent), transparent 60%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

.hero__content { min-width: 0; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  padding: 6px 14px 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background-color: var(--color-surface);
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
  font-weight: 500;
}

.hero__title {
  font-size: var(--fs-h1);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.hero__title-mark { color: var(--color-primary); }

.hero__lead {
  max-width: 54ch;
  margin-top: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--fs-lead);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.hero__points {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  margin-top: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.hero__points li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.hero__points .icon {
  width: 16px;
  height: 16px;
  color: var(--color-accent-text);
  stroke-width: 2.25;
}

/* --- İmza görsel ------------------------------------------------------- */
.hero__visual {
  position: relative;
  min-width: 0;
  padding: 24px 0 112px;
  font-family: var(--font-body);
}

.editor {
  overflow: hidden;
  border: 1px solid var(--code-border);
  border-radius: var(--radius-lg);
  background-color: var(--code-bg);
  box-shadow: var(--shadow-lg);
  color: var(--code-text);
}

.editor__bar {
  display: flex;
  align-items: stretch;
  gap: var(--space-1);
  height: 44px;
  padding-inline: var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--code-border);
  background-color: var(--code-chrome);
}

.editor__dots {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-right: var(--space-3);
}

.editor__dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--code-dot);
}

.editor__tab {
  display: flex;
  align-items: center;
  padding-inline: var(--space-3);
  border-bottom: 2px solid transparent;
  color: var(--code-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.editor__tab.is-active {
  border-bottom-color: var(--code-keyword);
  color: var(--code-text);
}

.editor__code {
  padding: var(--space-4) var(--space-4) var(--space-5) 0;
  overflow: hidden;
  counter-reset: line;
  font-family: var(--font-mono);
  font-size: clamp(0.6875rem, 0.55rem + 0.6vw, 0.8125rem);
  line-height: 1.75;
}

.line {
  min-height: 1.75em;
  white-space: pre;
  counter-increment: line;
}

.line::before {
  content: counter(line);
  display: inline-block;
  width: 2.5em;
  margin-right: 1em;
  color: var(--code-dot);
  text-align: right;
  -webkit-user-select: none;
  user-select: none;
}

.tk-c { color: var(--code-muted); font-style: italic; }
.tk-k { color: var(--code-keyword); }
.tk-s { color: var(--code-string); }
.tk-f { color: var(--code-function); }
.tk-t { color: var(--code-type); }

.editor__caret {
  display: inline-block;
  width: 2px;
  height: 1.15em;
  margin-left: 2px;
  background-color: var(--code-keyword);
  vertical-align: text-bottom;
}

.editor__status {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-4);
  height: 32px;
  padding-inline: var(--space-4);
  border-top: 1px solid var(--code-border);
  background-color: var(--code-chrome);
  color: var(--code-muted);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
}

.editor__status-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.editor__status-item:first-child { margin-right: auto; }
.editor__status-item--ok { color: var(--code-string); }

.editor__status .icon {
  width: 12px;
  height: 12px;
}

/* Cam yüzeyli yüzen kartlar */
.float-card,
.float-chip {
  position: absolute;
  z-index: 2;
  border: 1px solid var(--glass-border);
  background-color: var(--glass-bg);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  backdrop-filter: blur(12px) saturate(150%);
  box-shadow: var(--shadow-md);
  color: var(--color-text);
}

.float-chip {
  top: 4px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 14px 8px 12px;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
}

.float-card {
  padding: var(--space-4);
  border-radius: var(--radius-md);
}

.float-card__title {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.float-card--pipeline {
  left: 12px;
  bottom: 0;
  width: 208px;
}

.float-card--chart {
  right: 16px;
  bottom: 20px;
  display: none;
  width: 172px;
}

.float-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  color: var(--color-accent-text);
  font-size: var(--fs-xs);
  font-weight: 600;
}

.pipeline {
  display: grid;
  gap: 10px;
}

.pipeline__step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-xs);
  font-weight: 500;
  line-height: 1.3;
}

.pipeline__mark {
  display: grid;
  flex: none;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
}

.pipeline__step.is-done .pipeline__mark {
  background-color: var(--color-accent-soft);
  color: var(--color-accent-text);
}

.pipeline__mark .icon {
  width: 11px;
  height: 11px;
  stroke-width: 2.75;
}

.pipeline__step.is-running .pipeline__mark {
  border: 2px solid var(--color-primary-soft);
  border-top-color: var(--color-primary);
}

.pipeline__bar {
  height: 4px;
  margin-top: var(--space-3);
  overflow: hidden;
  border-radius: 2px;
  background-color: var(--color-surface-2);
}

.pipeline__bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background-color: var(--color-primary);
  transform: scaleX(0.72);
  transform-origin: left;
}

.sparkline {
  width: 100%;
  height: 44px;
}

.sparkline__area { fill: var(--color-primary-soft); }

.sparkline__line {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

@media (min-width: 560px) {
  .float-card--chart { display: block; }
}

@media (min-width: 640px) {
  .hero__visual { padding: 28px 0 104px; }
  .editor { margin-left: 9%; }
  .float-card--pipeline { left: 0; width: 224px; }
  .float-card--chart { bottom: 40px; }
  .float-chip { right: 28px; }
}

@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    gap: var(--space-8);
  }
}

/* ==========================================================================
   07. Bölüm iskeleti
   ========================================================================== */
.section { padding-block: var(--section-y); }

.section--alt {
  border-block: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.section-head {
  display: grid;
  gap: var(--space-4);
  margin-bottom: clamp(40px, 5vw, 64px);
}

.section-title {
  max-width: 20ch;
  font-size: var(--fs-h2);
  font-weight: 600;
  letter-spacing: -0.028em;
  line-height: 1.1;
}

.section-lead {
  max-width: 60ch;
  color: var(--color-text-muted);
  font-size: var(--fs-lead);
}

@media (min-width: 900px) {
  .section-head {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: var(--space-9);
    align-items: end;
  }
}

/* ==========================================================================
   08. Hizmetler (bento)
   ========================================================================== */
.bento {
  display: grid;
  gap: var(--space-4);
}

.service {
  display: grid;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.service--tint {
  background-image: linear-gradient(135deg, var(--color-primary-soft), var(--color-surface) 62%);
}

.service.theme-inverse { border-color: var(--band-border); }

.service__body {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(24px, 3vw, 32px);
}

.service__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: var(--space-5);
  border-radius: var(--radius-md);
  background-color: var(--color-primary-soft);
  color: var(--color-primary-text);
}

.service--tint .service__icon {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}

.service__icon .icon {
  width: 22px;
  height: 22px;
}

.service__title {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

.service--wide .service__title { font-size: 1.375rem; }

.service__text {
  max-width: 52ch;
  margin-top: var(--space-2);
  margin-bottom: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
}

.tags li {
  padding: 5px 11px;
  border-radius: var(--radius-full);
  background-color: var(--color-surface-2);
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
  font-weight: 500;
  line-height: 1.4;
}

.service--tint .tags li {
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.service__art { display: none; }

@media (min-width: 640px) {
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service--wide {
    grid-column: span 2;
    grid-template-columns: minmax(0, 1fr) minmax(0, 40%);
    align-items: center;
  }

  .service__art {
    display: block;
    padding: var(--space-5) var(--space-5) var(--space-5) 0;
  }

  .service__art svg {
    width: 100%;
    height: auto;
  }
}

@media (min-width: 1024px) {
  .bento {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: var(--space-5);
  }

  .service { grid-column: span 2; }
  .service--wide { grid-column: span 4; }
  .service--half { grid-column: span 3; }
}

/* ==========================================================================
   09. Süreç (zaman çizelgesi) — mobilde dikey, masaüstünde yatay
   ========================================================================== */
.process { display: grid; }

.step {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  column-gap: var(--space-5);
  padding-bottom: var(--space-7);
}

.step:last-child { padding-bottom: 0; }

/* Adımları birbirine bağlayan çizgi */
.step::before {
  content: "";
  position: absolute;
  top: 48px;
  bottom: 0;
  left: 23.5px;
  width: 1px;
  background-color: var(--color-border-strong);
}

.step:last-child::before { content: none; }

.step__marker {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-border-strong);
  border-radius: 50%;
  background-color: var(--color-bg);
  color: var(--color-primary-text);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
}

.step:first-child .step__marker {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}

.step__body { padding-top: 10px; }

.step__title {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.015em;
}

.step__text {
  max-width: 52ch;
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.step__output {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px var(--space-2);
  margin-top: var(--space-4);
  font-size: var(--fs-xs);
  font-weight: 600;
}

.step__output span {
  color: var(--color-accent-text);
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (min-width: 1024px) {
  .process {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap: var(--space-5);
  }

  .step {
    display: block;
    padding-bottom: 0;
  }

  .step::before {
    top: 23.5px;
    bottom: auto;
    left: 48px;
    right: calc(-1 * var(--space-5));
    width: auto;
    height: 1px;
  }

  .step__body { padding-top: var(--space-5); }
}

/* ==========================================================================
   10. Çözümler ve çizim maketleri
   ========================================================================== */
.solutions {
  display: grid;
  gap: var(--space-5);
}

.solution {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.solution__art {
  height: clamp(210px, 30vw, 300px);
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg-subtle);
  background-image: radial-gradient(var(--grid-dot) 1px, transparent 1px);
  background-size: 20px 20px;
}

.solution__art svg {
  width: 100%;
  height: 100%;
}

.solution__body { padding: clamp(24px, 3vw, 32px); }

.solution__kicker {
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
}

.solution__title {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.solution__text {
  max-width: 60ch;
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.checklist {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  margin-top: var(--space-5);
  font-size: var(--fs-sm);
  font-weight: 500;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.checklist .icon {
  width: 16px;
  height: 16px;
  margin-top: 4px;
  color: var(--color-accent-text);
  stroke-width: 2.25;
}

@media (min-width: 900px) {
  .solutions { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .solution { grid-column: span 5; }
  .solution--wide { grid-column: span 7; }
  .solution__art { height: clamp(240px, 24vw, 300px); }
}

/* Maket çizim sınıfları (SVG) — yalnızca belirteç kullanır, iki temada da çalışır */
.mk-frame { fill: var(--color-surface); stroke: var(--color-border-strong); stroke-width: 1; }
.mk-frame--device { stroke-width: 2; }
.mk-rule { fill: none; stroke: var(--color-border); stroke-width: 1; }
.mk-line { fill: none; stroke: var(--color-border-strong); stroke-width: 1.25; }
.mk-line-primary { fill: none; stroke: var(--color-primary); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.mk-line--route { stroke-width: 3; stroke-dasharray: 0.1 7; }
.mk-area { fill: var(--color-primary-soft); }
.mk-block { fill: var(--mock-block); }
.mk-block-2 { fill: var(--mock-block-2); }
.mk-primary { fill: var(--color-primary); }
.mk-primary-soft { fill: var(--color-primary-soft); }
.mk-accent { fill: var(--color-accent); }
.mk-accent-soft { fill: var(--color-accent-soft); }
.mk-on-primary { fill: var(--color-on-primary); opacity: 0.85; }
.mk-ring { stroke: var(--color-primary); stroke-width: 1.25; }
.mk-ring-primary { stroke: var(--color-primary); stroke-width: 2.5; }
.mk-tick { fill: none; stroke: var(--color-on-primary); stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.mk-glyph { fill: none; stroke: var(--color-primary); stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.mk-glyph--accent { stroke: var(--color-accent-text); }
.mk-dot { fill: var(--color-text-muted); }

/* ==========================================================================
   11. Teknolojiler
   ========================================================================== */
.stack { border-bottom: 1px solid var(--color-border); }

.stack__row {
  display: grid;
  gap: var(--space-3);
  padding-block: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.stack__name {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chips li {
  padding: 7px 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  line-height: 1.5;
}

@media (min-width: 768px) {
  .stack__row {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: var(--space-6);
    align-items: center;
  }
}

/* ==========================================================================
   12. Hakkımızda
   ========================================================================== */
.about {
  display: grid;
  gap: var(--space-8);
}

.about__text {
  max-width: 58ch;
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--fs-lead);
}

.about__intro .text-link { margin-top: var(--space-4); }

.principles {
  display: grid;
  gap: var(--space-6);
  align-content: start;
}

.principle {
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border-strong);
}

.principle__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-4);
  border-radius: var(--radius-md);
  background-color: var(--color-accent-soft);
  color: var(--color-accent-text);
}

.principle__title {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.015em;
}

.principle__text {
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

@media (min-width: 560px) {
  .principles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-7) var(--space-6);
  }
}

@media (min-width: 960px) {
  .about {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-9);
  }
}

/* ==========================================================================
   13. SSS
   ========================================================================== */
.faq {
  display: grid;
  gap: var(--space-7);
}

.faq__intro .text-link { margin-top: var(--space-4); }
.faq__intro .section-lead { margin-top: var(--space-4); }

.faq__list { border-top: 1px solid var(--color-border-strong); }
.faq__item { border-bottom: 1px solid var(--color-border-strong); }

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 44px;
  padding-block: var(--space-5);
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
  list-style: none;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.faq__question::-webkit-details-marker { display: none; }
.faq__question:hover { color: var(--color-primary-text); }

.faq__icon {
  color: var(--color-text-muted);
  transition: transform var(--dur) var(--ease);
}

.faq__item[open] .faq__icon { transform: rotate(45deg); }

.faq__answer {
  max-width: 68ch;
  padding-bottom: var(--space-5);
  color: var(--color-text-muted);
}

@media (min-width: 900px) {
  .faq {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: var(--space-9);
    align-items: start;
  }

  .faq__intro {
    position: sticky;
    top: calc(var(--header-h) + var(--space-6));
  }
}

/* ==========================================================================
   14. İletişim ve form
   ========================================================================== */
.contact {
  display: grid;
  gap: var(--space-5);
}

.contact__band,
.form {
  min-width: 0;
  padding: clamp(24px, 4vw, 48px);
  border-radius: var(--radius-lg);
}

.contact__band { border: 1px solid var(--band-border); }

.contact__lead {
  max-width: 46ch;
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--fs-lead);
}

.contact__details {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.contact__details li {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.contact__icon {
  display: grid;
  flex: none;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-soft);
  color: var(--color-primary-text);
}

.contact__label {
  display: block;
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
}

.contact__value {
  font-weight: 600;
  overflow-wrap: anywhere;
}

a.contact__value {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: underline;
  text-decoration-color: var(--color-border-strong);
  text-underline-offset: 4px;
  transition: text-decoration-color var(--dur) var(--ease);
}

a.contact__value:hover { text-decoration-color: currentColor; }

.contact__steps-title {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-size: 1.0625rem;
  font-weight: 600;
}

.contact__steps {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
  counter-reset: contact-step;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.contact__steps li {
  display: flex;
  gap: var(--space-3);
  counter-increment: contact-step;
}

.contact__steps li::before {
  content: "0" counter(contact-step);
  flex: none;
  padding-top: 2px;
  color: var(--color-accent-text);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
}

/* Form */
.form {
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.form__title {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.form__note {
  margin-top: var(--space-1);
  margin-bottom: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
}

.form__grid {
  display: grid;
  gap: var(--space-5);
}

.field { min-width: 0; }

.field__label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: 600;
}

.field__optional {
  color: var(--color-text-muted);
  font-weight: 400;
}

.req { color: var(--color-danger); }

.field__control {
  display: block;
  width: 100%;
  min-height: 48px;
  padding: 11px 14px;
  border: 1px solid var(--color-border-input);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  color: var(--color-text);
  font-size: 1rem; /* 16px altı iOS'ta yakınlaştırmaya yol açar */
  line-height: 1.5;
  transition: border-color var(--dur) var(--ease);
}

.field__control:hover { border-color: var(--color-text-muted); }

.field__control:focus-visible {
  border-color: var(--color-focus);
  outline-offset: 1px;
}

.field__control[aria-invalid="true"] { border-color: var(--color-danger); }

textarea.field__control {
  min-height: 132px;
  resize: vertical;
}

.select { position: relative; }

.select select {
  padding-right: 44px;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

.select__icon {
  position: absolute;
  top: 50%;
  right: 14px;
  margin-top: -10px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.field__hint,
.field__error {
  margin-top: var(--space-2);
  font-size: var(--fs-xs);
}

.field__hint { color: var(--color-text-muted); }

.field__error {
  color: var(--color-danger);
  font-weight: 500;
}

.check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  min-height: 44px;
  padding-block: 10px;
  font-size: var(--fs-sm);
  cursor: pointer;
}

.check__input {
  flex: none;
  width: 22px;
  height: 22px;
  margin: 1px 0 0;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.check + .field__hint { margin-top: 0; padding-left: 34px; }
.check + .field__hint .inline-link { display: inline-flex; align-items: center; min-height: 44px; }
.check ~ .field__error { padding-left: 34px; }

.form__footer {
  display: grid;
  gap: var(--space-4);
  justify-items: start;
  margin-top: var(--space-5);
}

.form__status {
  width: 100%;
  padding: 14px var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 500;
}

.form__status:empty { padding: 0; }

.form__status.is-success {
  background-color: var(--color-accent-soft);
  color: var(--color-accent-text);
}

.form__status.is-info {
  border: 1px solid var(--color-border-strong);
  background-color: var(--color-surface);
  color: var(--color-text);
}

.form__status.is-error {
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
}

@media (min-width: 560px) {
  .form__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .field--full { grid-column: 1 / -1; }
}

@media (min-width: 960px) {
  .contact {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: stretch;
  }
}

/* ==========================================================================
   15. Alt bilgi
   15b. Ayrıntı paneli
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface);
  font-size: var(--fs-sm);
}

.site-footer__top {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-7) var(--space-5);
  padding-block: var(--space-9) var(--space-8);
}

.site-footer__brand { grid-column: 1 / -1; }

.site-footer__text {
  max-width: 34ch;
  margin-top: var(--space-3);
  color: var(--color-text-muted);
}

.site-footer__title {
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer__col a,
.site-footer__col span,
.site-footer__legal a {
  display: inline-flex;
  align-items: center;
  min-width: 44px;
  min-height: 44px;
  overflow-wrap: anywhere;
}

.site-footer__col a,
.site-footer__legal a {
  transition: color var(--dur) var(--ease);
}

.site-footer__col a:hover,
.site-footer__legal a:hover {
  color: var(--color-primary-text);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-5);
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.site-footer__legal {
  display: flex;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .site-footer__top { grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr)); }
  .site-footer__brand { grid-column: auto; }
}

/* İnce işaretçili cihazlarda (fare) alt bilgi bağlantıları daha sıkı dizilir */
@media (hover: hover) and (pointer: fine) {
  .site-footer__col a,
  .site-footer__col span,
  .site-footer__legal a { min-height: 32px; }
}

/* ==========================================================================
   15b. Ayrıntı paneli (kart bağlantısı + yandan açılan <dialog>)
   ========================================================================== */
/* Kartın tamamı tıklanabilir: düğmenin ::after katmanı kartı kaplar. */
.service,
.solution {
  position: relative;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.card-link {
  align-self: flex-start;
  margin-top: var(--space-4);
  padding: 0;
  border: 0;
  background: none;
  font-size: var(--fs-sm);
}

.card-link::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.card-link:focus-visible { outline: none; }

.service:has(.card-link:focus-visible),
.solution:has(.card-link:focus-visible) {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

@media (hover: hover) {
  .service:has(.card-link:not([hidden])):hover,
  .solution:has(.card-link:not([hidden])):hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-md);
  }

  .service:hover .card-link .icon,
  .solution:hover .card-link .icon { transform: translateX(4px); }
}

.panel {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(100vw, 760px);
  max-width: none;
  height: 100vh;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-left: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
  box-shadow: var(--shadow-lg);
}

.panel[open] {
  display: flex;
  flex-direction: column;
}

.panel::backdrop {
  background-color: rgba(11, 17, 32, 0.56);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}

.panel__bar {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-2) var(--space-3) var(--space-2) clamp(20px, 4vw, 40px);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.panel__count {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
}

.panel__nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.panel__divider {
  width: 1px;
  height: 24px;
  margin-inline: var(--space-1);
  background-color: var(--color-border);
}

.panel__scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.panel__art {
  height: clamp(180px, 34vw, 260px);
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg-subtle);
  background-image: radial-gradient(var(--grid-dot) 1px, transparent 1px);
  background-size: 20px 20px;
}

.panel__art svg {
  width: 100%;
  height: 100%;
}

.panel__content { padding: clamp(24px, 4vw, 40px) clamp(20px, 4vw, 40px) var(--space-8); }

.panel__footer {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) clamp(20px, 4vw, 40px);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.panel__footer-text {
  display: none;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.panel__footer .btn { flex: 1; }

@media (min-width: 640px) {
  .panel__footer-text { display: block; }
  .panel__footer .btn { flex: none; }
}

/* Panel içeriği */
.detail h4 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.detail__kicker {
  margin-bottom: var(--space-3);
  color: var(--color-accent-text);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
}

.detail__title {
  font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.375rem);
  font-weight: 600;
  letter-spacing: -0.025em;
}

.detail__title:focus { outline: none; }

.detail__lead {
  display: grid;
  gap: var(--space-4);
  max-width: 64ch;
  margin-top: var(--space-5);
  color: var(--color-text-muted);
}

.detail__lead p:first-child {
  color: var(--color-text);
  font-size: var(--fs-lead);
}

.detail__section {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.detail__heading {
  margin-bottom: var(--space-5);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.detail__audience {
  display: grid;
  gap: var(--space-3);
  max-width: 64ch;
}

.detail__audience li,
.detail__deliverables li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.detail__audience .icon,
.detail__deliverables .icon {
  width: 18px;
  height: 18px;
  margin-top: 4px;
  color: var(--color-accent-text);
  stroke-width: 2.25;
}

.detail__modules {
  display: grid;
  gap: var(--space-3);
}

.detail__module {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
}

.detail__module p,
.detail__step p,
.detail__qa p {
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.detail__steps {
  display: grid;
  gap: var(--space-5);
  counter-reset: adim;
}

.detail__step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: var(--space-4);
  counter-increment: adim;
}

.detail__step::before {
  content: counter(adim, decimal-leading-zero);
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  color: var(--color-primary-text);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 600;
}

.detail__step > div { padding-top: 8px; }

.detail__deliverables {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  background-color: var(--color-accent-soft);
  font-weight: 500;
}

.detail__faq {
  display: grid;
  gap: var(--space-5);
  max-width: 68ch;
}

.detail__others {
  display: grid;
  gap: var(--space-2);
}

.detail__other {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  min-height: 56px;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  font-weight: 600;
  text-align: left;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.detail__other small {
  display: block;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 400;
}

.detail__other .icon {
  flex: none;
  color: var(--color-text-muted);
  transition: transform var(--dur) var(--ease);
}

.detail__other:hover {
  border-color: var(--color-border-strong);
  color: var(--color-primary-text);
}

.detail__other:hover .icon { transform: translateX(4px); }

@media (min-width: 600px) {
  .detail__modules { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@keyframes panel-in {
  from { opacity: 0; transform: translateX(40px); }
}

@keyframes backdrop-in {
  from { opacity: 0; }
}

@keyframes detail-in {
  from { opacity: 0; transform: translateY(8px); }
}

@media (prefers-reduced-motion: no-preference) {
  .panel[open] { animation: panel-in 280ms var(--ease); }
  .panel[open]::backdrop { animation: backdrop-in 280ms ease-out; }
  .panel__scroll.is-switching { animation: detail-in 240ms var(--ease); }
}

@media print {
  .panel { display: none !important; }
}

/* ==========================================================================
   16. Hareket
   ========================================================================== */
@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes pulse {
  from { opacity: 0.55; transform: scale(1); }
  to { opacity: 0; transform: scale(3); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes deploy {
  0% { transform: scaleX(0.08); }
  70%, 100% { transform: scaleX(1); }
}

@keyframes typing {
  0%, 60%, 100% { opacity: 0.3; }
  30% { opacity: 1; }
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }

  /* Hareketler birkaç saniye içinde kendiliğinden durur (WCAG 2.2.2). */
  .editor__caret { animation: blink 1.1s steps(1) 4; }
  .pipeline__step.is-running .pipeline__mark { animation: spin 0.9s linear 5; }
  .pipeline__bar span { animation: deploy 4.5s var(--ease) 1 forwards; }

  .status-dot--pulse::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background-color: var(--color-accent);
    animation: pulse 1.8s ease-out 3 forwards;
  }

  .mk-dot { animation: typing 1.4s ease-in-out 3; }
  .mk-dot--2 { animation-delay: 0.2s; }
  .mk-dot--3 { animation-delay: 0.4s; }

  /* Kaydırınca belirme: yalnızca JS çalışıyorsa gizlenir */
  .js [data-reveal] {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 600ms var(--ease) var(--reveal-delay, 0ms), transform 600ms var(--ease) var(--reveal-delay, 0ms);
  }

  .js [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   17. Yazdırma
   ========================================================================== */
@media print {
  .js [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .site-header { position: static; }

  .hero__visual,
  .nav-toggle,
  .theme-toggle { display: none; }
}