/* =====================================================================
   FSD Yazılım — kurumsal site
   Ported from the Claude Design prototype (tokens + design-system
   components + UI-kit inline styles). Fonts are linked in _Layout head.
   ===================================================================== */

/* ---- Nötrler (soğuk mürekkep) · Mavi (birincil) · Amber (vurgu) ---- */
:root {
  --ink-950: #060D16;
  --ink-900: #0A1420;
  --ink-800: #122031;
  --ink-700: #1E3146;
  --ink-600: #33485F;
  --ink-500: #51677E;
  --ink-400: #7C8FA3;
  --ink-300: #AEBCCB;
  --ink-200: #D4DDE6;
  --ink-100: #E9EEF3;
  --ink-50:  #F4F7FA;
  --white:   #FFFFFF;

  --blue-800: #0A3A9C;
  --blue-700: #0D47C2;
  --blue-600: #1156E0;
  --blue-500: #2D72F5;
  --blue-400: #5E94F8;
  --blue-200: #BAD2FC;
  --blue-100: #DCE8FE;
  --blue-50:  #EEF4FF;

  --amber-600: #C76A06;
  --amber-500: #E8830C;
  --amber-400: #F59E2D;
  --amber-100: #FCE9CF;
  --amber-50:  #FEF5E7;

  --green-600: #15803C;
  --green-100: #DCF3E4;
  --red-600:   #D92D20;
  --red-100:   #FBE4E2;

  --brand-primary:        var(--blue-600);
  --brand-primary-strong: var(--blue-700);
  --brand-accent:         var(--amber-500);

  --surface-page:    var(--white);
  --surface-subtle:  var(--ink-50);
  --surface-card:    var(--white);
  --surface-inverse: var(--ink-900);
  --surface-inverse-raised: var(--ink-800);
  --surface-brand-tint: var(--blue-50);

  --text-heading:  var(--ink-900);
  --text-body:     var(--ink-700);
  --text-muted:    var(--ink-500);
  --text-faint:    var(--ink-400);
  --text-on-dark:  #F2F6FA;
  --text-on-dark-muted: #9FB0C2;
  --text-link:     var(--blue-600);
  --text-eyebrow:  var(--blue-600);

  --border-subtle: var(--ink-200);
  --border-strong: var(--ink-300);
  --border-on-dark: rgba(255,255,255,0.12);

  --focus-ring: 0 0 0 3px var(--blue-200);

  /* ---- Tipografi ---- */
  --font-display: 'Sora', 'IBM Plex Sans', system-ui, sans-serif;
  --font-body:    'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --text-display: 64px;
  --text-h1: 48px;
  --text-h2: 36px;
  --text-h3: 28px;
  --text-h4: 22px;
  --text-lead: 19px;
  --text-base: 16px;
  --text-sm: 14px;
  --text-caption: 12.5px;
  --text-eyebrow-size: 13px;

  --leading-display: 1.08;
  --leading-heading: 1.16;
  --leading-body: 1.6;

  --weight-display: 700;
  --weight-heading: 700;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-body: 400;

  --tracking-display: -0.02em;
  --tracking-heading: -0.01em;
  --tracking-eyebrow: 0.12em;

  /* ---- Boşluk / köşe / gölge ---- */
  --space-1: 4px;   --space-2: 8px;   --space-3: 12px;  --space-4: 16px;
  --space-5: 20px;  --space-6: 24px;  --space-8: 32px;  --space-10: 40px;
  --space-12: 48px; --space-16: 64px; --space-20: 80px; --space-24: 96px;
  --space-section: 112px;

  --container-max: 1200px;
  --container-pad: 24px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-pill: 999px;

  --shadow-card: 0 1px 2px rgba(10,20,32,0.05), 0 4px 12px rgba(10,20,32,0.06);
  --shadow-raised: 0 2px 4px rgba(10,20,32,0.06), 0 12px 28px rgba(10,20,32,0.10);
  --shadow-button: 0 1px 2px rgba(13,71,194,0.25);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 140ms;
  --duration-base: 220ms;
}

/* ---- Reset / gövde ---- */
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--text-body);
  background: var(--surface-page);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* ---- Lucide ikon sarmalayıcı ---- */
.fsd-ic { display: inline-flex; align-items: center; justify-content: center; flex: none; line-height: 0; color: inherit; }
.fsd-ic > i { display: inline-flex; width: 100%; height: 100%; }
.fsd-ic svg { width: 100%; height: 100%; display: block; }

/* ---- Layout yardımcıları ---- */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-pad); }
.section { padding: var(--space-20) 0; }
.section--subtle { background: var(--surface-subtle); }
.section--dark { background: var(--surface-inverse); }
.page-head { background: var(--surface-inverse); padding: var(--space-16) 0; }

.tech-grid {
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 32px 32px;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-12); }

.cta-band { display: flex; align-items: center; justify-content: space-between; gap: var(--space-12); flex-wrap: wrap; }
.cta-band__btns { display: flex; gap: 12px; }
.stack-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.center-btn { display: flex; justify-content: center; }

/* =========================== Button =========================== */
.fsd-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent; border-radius: var(--radius-md); font-family: var(--font-body); font-weight: var(--weight-semibold); cursor: pointer; text-decoration: none; transition: background var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out); white-space: nowrap; box-sizing: border-box; }
.fsd-btn:active { transform: translateY(1px); }
.fsd-btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.fsd-btn[disabled] { opacity: 0.45; pointer-events: none; }
.fsd-btn--md { height: 44px; padding: 0 20px; font-size: 15px; }
.fsd-btn--sm { height: 36px; padding: 0 14px; font-size: 14px; }
.fsd-btn--lg { height: 52px; padding: 0 26px; font-size: 16px; }
.fsd-btn--primary { background: var(--brand-primary); color: #fff; box-shadow: var(--shadow-button); }
.fsd-btn--primary:hover { background: var(--brand-primary-strong); }
.fsd-btn--secondary { background: var(--surface-card); color: var(--text-heading); border-color: var(--border-strong); }
.fsd-btn--secondary:hover { border-color: var(--ink-400); background: var(--surface-subtle); }
.fsd-btn--ghost { background: transparent; color: var(--text-link); }
.fsd-btn--ghost:hover { background: var(--surface-brand-tint); }
.fsd-btn--inverse { background: rgba(255,255,255,0.1); color: var(--text-on-dark); border-color: var(--border-on-dark); }
.fsd-btn--inverse:hover { background: rgba(255,255,255,0.18); }
.fsd-btn--accent { background: var(--brand-accent); color: #fff; }
.fsd-btn--accent:hover { background: var(--amber-600); }

/* =========================== Badge / Eyebrow =========================== */
.fsd-badge { display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 10px; border-radius: var(--radius-pill); font-family: var(--font-body); font-size: 12.5px; font-weight: var(--weight-semibold); }
.fsd-badge--neutral { background: var(--ink-100); color: var(--ink-600); }
.fsd-badge--brand { background: var(--blue-100); color: var(--blue-700); }
.fsd-badge--accent { background: var(--amber-100); color: var(--amber-600); }
.fsd-badge--success { background: var(--green-100); color: var(--green-600); }
.fsd-badge--danger { background: var(--red-100); color: var(--red-600); }
.fsd-eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: var(--text-eyebrow-size); font-weight: 500; letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--text-eyebrow); }
.fsd-eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--brand-primary); }
.fsd-eyebrow--on-dark { color: var(--blue-400); }
.fsd-eyebrow--on-dark::before { background: var(--blue-400); }

/* =========================== Card / SectionHeading / Stat =========================== */
.fsd-card { box-sizing: border-box; background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: var(--space-6); transition: box-shadow var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out); }
.fsd-card--hover:hover { box-shadow: var(--shadow-raised); transform: translateY(-2px); border-color: var(--blue-200); }
a.fsd-card { display: block; text-decoration: none; color: inherit; }

.fsd-section-heading { display: flex; flex-direction: column; gap: var(--space-3); max-width: 640px; }
.fsd-section-heading--center { align-items: center; text-align: center; margin-left: auto; margin-right: auto; }
.fsd-section-heading h2 { margin: 0; font-family: var(--font-display); font-size: var(--text-h2); font-weight: var(--weight-heading); line-height: var(--leading-heading); letter-spacing: var(--tracking-heading); color: var(--text-heading); text-wrap: pretty; }
.fsd-section-heading--on-dark h2 { color: var(--text-on-dark); }
.fsd-section-heading p { margin: 0; font-size: var(--text-lead); line-height: 1.55; color: var(--text-muted); text-wrap: pretty; }
.fsd-section-heading--on-dark p { color: var(--text-on-dark-muted); }

.fsd-stat { display: flex; flex-direction: column; gap: 4px; }
.fsd-stat__value { font-family: var(--font-display); font-size: 42px; font-weight: 700; letter-spacing: -0.02em; color: var(--text-heading); line-height: 1; }
.fsd-stat--on-dark .fsd-stat__value { color: var(--text-on-dark); }
.fsd-stat__value em { font-style: normal; color: var(--brand-primary); }
.fsd-stat--on-dark .fsd-stat__value em { color: var(--blue-400); }
.fsd-stat__label { font-size: var(--text-sm); color: var(--text-muted); }
.fsd-stat--on-dark .fsd-stat__label { color: var(--text-on-dark-muted); }

/* Icon feature card (services / highlights / why) */
.icon-feature { display: flex; flex-direction: column; gap: 12px; }
.icon-feature__ic { color: var(--brand-primary); }
.icon-feature__t { font-family: var(--font-display); font-size: 17px; color: var(--text-heading); }
.icon-feature--sm .icon-feature__t { font-size: 16px; }
.icon-feature__d { font-size: var(--text-sm); color: var(--text-muted); line-height: 1.55; }

/* =========================== ProductCard =========================== */
.fsd-product { display: flex; flex-direction: column; gap: var(--space-4); height: 100%; cursor: pointer; text-decoration: none; }
.fsd-product__icon { width: 48px; height: 48px; border-radius: var(--radius-md); background: var(--surface-brand-tint); color: var(--brand-primary); display: flex; align-items: center; justify-content: center; }
.fsd-product__head { display: flex; align-items: center; gap: 10px; }
.fsd-product h3 { margin: 0; font-family: var(--font-display); font-size: 19px; font-weight: 600; color: var(--text-heading); }
.fsd-product p { margin: 0; font-size: var(--text-sm); line-height: 1.55; color: var(--text-muted); flex: 1; }
.fsd-product__link { display: inline-flex; align-items: center; gap: 6px; font-size: var(--text-sm); font-weight: var(--weight-semibold); color: var(--text-link); }

/* =========================== Accordion =========================== */
.fsd-acc { display: flex; flex-direction: column; border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); background: var(--surface-card); overflow: hidden; }
.fsd-acc__item + .fsd-acc__item { border-top: 1px solid var(--border-subtle); }
.fsd-acc__q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; background: none; border: none; cursor: pointer; font-family: var(--font-body); font-size: 15px; font-weight: var(--weight-semibold); color: var(--text-heading); text-align: left; transition: background var(--duration-fast) var(--ease-out); }
.fsd-acc__q:hover { background: var(--surface-subtle); }
.fsd-acc__q:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.fsd-acc__chev { transition: transform var(--duration-base) var(--ease-out); color: var(--text-faint); display: inline-flex; flex: none; }
.fsd-acc__chev--open { transform: rotate(180deg); }
.fsd-acc__a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--duration-base) var(--ease-out); }
.fsd-acc__a--open { grid-template-rows: 1fr; }
.fsd-acc__a-clip { overflow: hidden; min-height: 0; }
.fsd-acc__a-inner { padding: 0 20px 18px; font-size: var(--text-sm); color: var(--text-muted); line-height: 1.6; text-wrap: pretty; }

/* =========================== Tabs =========================== */
.fsd-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border-subtle); overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
.fsd-tabs::-webkit-scrollbar { display: none; }
.fsd-tab { position: relative; flex: none; padding: 14px 18px; background: none; border: none; cursor: pointer; font-family: var(--font-body); font-size: 15px; font-weight: var(--weight-semibold); color: var(--text-muted); transition: color var(--duration-fast) var(--ease-out); white-space: nowrap; text-decoration: none; }
.fsd-tab:hover { color: var(--text-heading); }
.fsd-tab:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-sm); }
.fsd-tab--active { color: var(--brand-primary); }
.fsd-tab--active::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: -1px; height: 2px; background: var(--brand-primary); border-radius: 2px 2px 0 0; }

/* =========================== Navbar + mega menu =========================== */
.fsd-nav { box-sizing: border-box; position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,0.86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-subtle); }
.fsd-nav__inner { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-pad); height: 72px; display: flex; align-items: center; gap: var(--space-8); }
.fsd-nav__logo { display: flex; align-items: center; flex: none; cursor: pointer; text-decoration: none; }
.fsd-nav__links { display: flex; align-items: center; gap: var(--space-2); flex: 1; }
.fsd-nav__link { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-body); font-size: 15px; font-weight: var(--weight-medium); color: var(--text-body); text-decoration: none; padding: 8px 12px; border-radius: var(--radius-sm); cursor: pointer; background: transparent; border: none; transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out); }
.fsd-nav__link:hover { background: var(--surface-subtle); color: var(--text-heading); }
.fsd-nav__link--active { color: var(--brand-primary); font-weight: var(--weight-semibold); }
.fsd-nav__link--open { background: var(--surface-subtle); color: var(--text-heading); }
.fsd-nav__chev { display: inline-flex; transition: transform var(--duration-base) var(--ease-out); color: var(--text-faint); }
.fsd-nav__chev--open { transform: rotate(180deg); }
.fsd-nav__cta { display: flex; align-items: center; gap: var(--space-3); }
.fsd-nav__lang { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.04em; }
.fsd-nav__lang-item { color: var(--text-faint); text-decoration: none; padding: 4px 2px; transition: color var(--duration-fast) var(--ease-out); }
.fsd-nav__lang-item:hover { color: var(--text-heading); }
.fsd-nav__lang-item--active { color: var(--brand-primary); font-weight: 600; }
.fsd-nav__lang-sep { color: var(--border-strong); }

@keyframes fsdMegaIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
.fsd-nav__mega { position: absolute; left: 0; right: 0; top: 100%; background: var(--surface-page); border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); box-shadow: var(--shadow-raised); animation: fsdMegaIn 180ms var(--ease-out); }
.fsd-nav__mega[hidden] { display: none; }
.fsd-nav__mega-inner { max-width: var(--container-max); margin: 0 auto; padding: var(--space-8) var(--container-pad); display: grid; gap: var(--space-10); align-items: start; }
.fsd-nav__mega-col-title { display: block; font-family: var(--font-mono); font-size: 11.5px; font-weight: 500; letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--text-eyebrow); padding-bottom: 10px; border-bottom: 1px solid var(--border-subtle); margin-bottom: 10px; }
.fsd-nav__mega-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.fsd-nav__mega-item { display: flex; align-items: flex-start; gap: 12px; width: 100%; padding: 10px; border: none; background: none; border-radius: var(--radius-md); cursor: pointer; text-align: left; text-decoration: none; transition: background var(--duration-fast) var(--ease-out); }
.fsd-nav__mega-item:hover { background: var(--surface-subtle); }
.fsd-nav__mega-ic { width: 36px; height: 36px; border-radius: var(--radius-sm); background: var(--surface-brand-tint); color: var(--brand-primary); display: flex; align-items: center; justify-content: center; flex: none; }
.fsd-nav__mega-label { display: block; font-family: var(--font-body); font-size: 14.5px; font-weight: var(--weight-semibold); color: var(--text-heading); line-height: 1.3; }
.fsd-nav__mega-desc { display: block; font-family: var(--font-body); font-size: 12.5px; color: var(--text-muted); line-height: 1.4; margin-top: 2px; }
.fsd-nav__mega-promo { background: var(--surface-inverse); border-radius: var(--radius-lg); padding: var(--space-6); display: flex; flex-direction: column; align-items: flex-start; gap: 12px; background-image: linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px); background-size: 28px 28px; }
.fsd-nav__mega-promo-eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--blue-400); }
.fsd-nav__mega-promo-title { font-family: var(--font-display); font-size: 17px; font-weight: 600; line-height: 1.35; color: var(--text-on-dark); text-wrap: pretty; }
.fsd-nav__mobile-toggle { display: none; }

/* =========================== Footer =========================== */
.fsd-footer { background: var(--surface-inverse); color: var(--text-on-dark-muted); font-family: var(--font-body); }
.fsd-footer__inner { max-width: var(--container-max); margin: 0 auto; padding: var(--space-16) var(--container-pad) var(--space-8); display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: var(--space-12); }
.fsd-footer__badge { display: inline-flex; background: #fff; border-radius: var(--radius-md); padding: 8px 12px; }
.fsd-footer__brand p { margin: var(--space-4) 0 0; font-size: var(--text-sm); line-height: 1.6; max-width: 280px; }
.fsd-footer h5 { margin: 0 0 var(--space-4); font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--text-on-dark); }
.fsd-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.fsd-footer a, .fsd-footer__item { color: var(--text-on-dark-muted); text-decoration: none; font-size: var(--text-sm); cursor: pointer; transition: color var(--duration-fast) var(--ease-out); display: inline-flex; align-items: center; gap: 8px; }
.fsd-footer a:hover, .fsd-footer__item:hover { color: var(--text-on-dark); }
.fsd-footer__bottom { border-top: 1px solid var(--border-on-dark); }
.fsd-footer__bottom-inner { max-width: var(--container-max); margin: 0 auto; padding: var(--space-5) var(--container-pad); display: flex; justify-content: space-between; align-items: center; font-size: 13px; gap: 16px; flex-wrap: wrap; }

/* =========================== Forms =========================== */
.fsd-field { display: flex; flex-direction: column; gap: 6px; font-family: var(--font-body); }
.fsd-field__label { font-size: var(--text-sm); font-weight: var(--weight-semibold); color: var(--text-heading); }
.fsd-field__hint { font-size: 12.5px; color: var(--text-muted); }
.fsd-field__error { font-size: 12.5px; color: var(--red-600); }
.fsd-control { box-sizing: border-box; width: 100%; height: 44px; padding: 0 14px; border: 1px solid var(--border-strong); border-radius: var(--radius-md); background: var(--surface-card); font-family: var(--font-body); font-size: 15px; color: var(--text-heading); transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out); }
.fsd-control::placeholder { color: var(--text-faint); }
.fsd-control:hover { border-color: var(--ink-400); }
.fsd-control:focus { outline: none; border-color: var(--brand-primary); box-shadow: var(--focus-ring); }
.fsd-control--error { border-color: var(--red-600); }
textarea.fsd-control { height: auto; min-height: 110px; padding: 12px 14px; resize: vertical; line-height: 1.5; }
select.fsd-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2351677E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 38px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.contact-form { display: flex; flex-direction: column; gap: var(--space-5); }

/* =========================== Image slot (statik placeholder) =========================== */
.image-slot { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; text-align: center; padding: 16px; background: var(--surface-subtle); border: 1.5px dashed var(--border-strong); color: var(--text-faint); font-size: 13px; line-height: 1.4; }
.image-slot .fsd-ic { color: var(--ink-300); }
.image-slot__cap { max-width: 90%; font-weight: 500; }

/* =========================== HERO (Ana sayfa) =========================== */
.hero { position: relative; overflow: hidden; padding: 64px 0 0; border-bottom: 1px solid var(--border-subtle); }
.hero__viewport { overflow: hidden; }
.hero__track { display: flex; transition: transform 600ms var(--ease-out); }
.hero__slide { width: 100%; flex: none; display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--space-16); align-items: center; box-sizing: border-box; }
.hero__title { margin: 20px 0 0; font-family: var(--font-display); font-size: 54px; font-weight: 700; line-height: var(--leading-display); letter-spacing: var(--tracking-display); color: var(--text-heading); text-wrap: pretty; }
.hero__lead { margin: 20px 0 0; font-size: var(--text-lead); line-height: 1.6; color: var(--text-muted); max-width: 520px; text-wrap: pretty; }
.hero__ctas { display: flex; gap: var(--space-3); margin-top: 36px; }
.hero__visual { min-height: 340px; display: flex; flex-direction: column; justify-content: center; }
.hero__photo { width: 100%; height: 400px; border-radius: 20px; border: 1px solid var(--border-subtle); box-shadow: var(--shadow-card); }

/* Hero slayt sekme şeridi */
@keyframes fsdHeroProg { from { width: 0; } to { width: 100%; } }
.hero-tabs { display: flex; gap: 8px; margin-top: 56px; margin-left: calc(-50vw + 50%); margin-right: calc(-50vw + 50%); padding: 4px max(24px, calc(50vw - 576px)); background: var(--surface-inverse); }
.hero-tab { position: relative; flex: 1; padding: 18px 12px 20px; background: none; border: none; cursor: pointer; text-align: center; font-family: var(--font-body); font-size: 14.5px; font-weight: 600; color: var(--text-on-dark-muted); transition: color 140ms var(--ease-out); }
.hero-tab:hover { color: var(--text-on-dark); }
.hero-tab--active { color: #fff; }
.hero-tab__bar { position: absolute; left: 12px; right: 12px; bottom: 0; height: 2.5px; background: rgba(255,255,255,0.14); border-radius: 2px; overflow: hidden; }
.hero-tab__prog { display: block; height: 100%; width: 0; background: var(--blue-400); }
.hero-tab--active .hero-tab__prog { animation: fsdHeroProg 6000ms linear forwards; }

/* Footer sosyal medya ikonları */
.fsd-footer__social { display: flex; gap: 10px; margin-top: var(--space-5); }
.fsd-footer__social a { width: 38px; height: 38px; border-radius: var(--radius-md); background: rgba(255,255,255,0.06); border: 1px solid var(--border-on-dark); display: inline-flex; align-items: center; justify-content: center; color: var(--text-on-dark-muted); transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out); }
.fsd-footer__social a:hover { background: var(--brand-primary); border-color: var(--brand-primary); color: #fff; }

/* Kaydırınca beliren giriş animasyonları */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transition: opacity 760ms var(--ease-out), transform 760ms var(--ease-out); }
  .reveal--up    { transform: translateY(48px); }
  .reveal--left  { transform: translateX(-64px); }
  .reveal--right { transform: translateX(64px); }
  .reveal--zoom  { transform: scale(0.92); }
  .reveal--in    { opacity: 1; transform: none; }
}

/* ---- Global widget'lar: yukarı çık · çerez · yan CTA · lightbox ---- */
.fsd-totop { position: fixed; right: 28px; bottom: 28px; z-index: 60; width: 48px; height: 48px; border-radius: var(--radius-pill); background: var(--brand-primary); color: #fff; border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-raised); opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity 220ms var(--ease-out), transform 220ms var(--ease-out), background 140ms var(--ease-out); }
.fsd-totop:hover { background: var(--brand-primary-strong); }
.fsd-totop--show { opacity: 1; transform: translateY(0); pointer-events: auto; }

.fsd-sidecta { position: fixed; right: 0; top: 42%; transform: translateY(-50%); z-index: 55; background: var(--brand-primary); color: #fff; border: none; cursor: pointer; border-radius: var(--radius-md) 0 0 var(--radius-md); box-shadow: var(--shadow-raised); padding: 18px 9px; display: flex; flex-direction: column; align-items: center; gap: 12px; transition: background 140ms var(--ease-out); }
.fsd-sidecta:hover { background: var(--brand-primary-strong); }
.fsd-sidecta span { writing-mode: vertical-rl; font-family: var(--font-body); font-weight: 700; font-size: 12.5px; letter-spacing: 0.1em; }

.fsd-cookie { position: fixed; left: 24px; bottom: 24px; z-index: 70; width: min(420px, calc(100vw - 48px)); background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); box-shadow: var(--shadow-raised); padding: var(--space-6); }
.fsd-cookie[hidden] { display: none; }
.fsd-cookie__head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.fsd-cookie__ic { width: 34px; height: 34px; border-radius: var(--radius-md); background: var(--surface-brand-tint); color: var(--brand-primary); display: flex; align-items: center; justify-content: center; flex: none; }
.fsd-cookie__head strong { font-family: var(--font-display); font-size: 16px; color: var(--text-heading); }
.fsd-cookie__text { margin: 0; font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.fsd-cookie__rows { margin: 14px 0 4px; }
.fsd-cookie__rows[hidden] { display: none; }
.fsd-cookie__row { display: flex; align-items: flex-start; gap: 12px; padding: 10px 0; border-top: 1px solid var(--border-subtle); }
.fsd-cookie__row-t { font-size: 13.5px; font-weight: 600; color: var(--text-heading); display: block; }
.fsd-cookie__row-d { font-size: 12.5px; color: var(--text-muted); line-height: 1.45; display: block; }
.fsd-switch { flex: none; width: 38px; height: 22px; border-radius: var(--radius-pill); border: none; cursor: pointer; position: relative; background: var(--ink-300); transition: background 160ms var(--ease-out); }
.fsd-switch[aria-checked="true"] { background: var(--brand-primary); }
.fsd-switch[disabled] { opacity: 0.6; cursor: not-allowed; }
.fsd-switch__knob { position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: left 160ms var(--ease-out); }
.fsd-switch[aria-checked="true"] .fsd-switch__knob { left: 19px; }
.fsd-cookie__actions { display: flex; align-items: center; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.fsd-cookie__actions[hidden] { display: none; }
.fsd-cookie__manage { margin-left: auto; background: none; border: none; cursor: pointer; font-family: var(--font-body); font-size: 13px; font-weight: 600; color: var(--text-link); }

.fsd-modal { position: fixed; inset: 0; z-index: 90; background: rgba(10,20,32,0.62); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; padding: 24px; }
.fsd-modal[hidden] { display: none; }
.fsd-modal__box { position: relative; width: min(460px, 100%); max-height: 92vh; overflow-y: auto; background: var(--surface-card); border-radius: var(--radius-xl); box-shadow: var(--shadow-raised); }
.fsd-modal__close { position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border-radius: 50%; border: none; background: var(--surface-subtle); color: var(--text-muted); cursor: pointer; display: flex; align-items: center; justify-content: center; z-index: 2; }
.fsd-modal__inner { padding: 34px 30px 30px; }
.fsd-modal__head { text-align: center; margin-bottom: 20px; }
.fsd-modal__head .fsd-modal__ic { width: 48px; height: 48px; border-radius: var(--radius-md); background: var(--surface-brand-tint); color: var(--brand-primary); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.fsd-modal__head h3 { margin: 0 0 8px; font-family: var(--font-display); font-size: 24px; font-weight: 700; letter-spacing: -0.01em; color: var(--text-heading); }
.fsd-modal__head p { margin: 0; font-size: 14px; color: var(--text-muted); line-height: 1.55; }
.fsd-modal__form { display: flex; flex-direction: column; gap: 14px; }
.fsd-modal__kvkk { margin: 0; font-size: 12px; color: var(--text-faint); text-align: center; line-height: 1.5; }
.fsd-modal__success { text-align: center; padding: 14px 0; }
.fsd-modal__success-ic { width: 56px; height: 56px; border-radius: 50%; background: var(--green-100); color: var(--green-600); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.fsd-modal__success h3 { margin: 0 0 8px; font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--text-heading); }
.fsd-modal__success p { margin: 0 0 20px; font-size: 14px; color: var(--text-muted); line-height: 1.55; }

.fsd-lightbox { position: fixed; inset: 0; z-index: 95; background: rgba(10,20,32,0.78); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; padding: 32px; }
.fsd-lightbox[hidden] { display: none; }
.fsd-lightbox__close { position: absolute; top: 22px; right: 24px; width: 44px; height: 44px; border-radius: 50%; border: none; background: rgba(255,255,255,0.12); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.fsd-lightbox img { max-width: 92vw; max-height: 88vh; border-radius: 12px; box-shadow: 0 24px 60px rgba(0,0,0,0.5); border: 1px solid rgba(255,255,255,0.14); }
@media (max-width: 720px) { .fsd-sidecta { display: none; } }

/* Hero paneller (koyu stilize üretim panelleri) */
.hp-panel { background: var(--surface-inverse-raised); border: 1px solid var(--border-on-dark); border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-raised); }
.hp-panel__head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--border-on-dark); }
.hp-panel__tag { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; color: var(--blue-400); }
.hp-panel__head .fsd-ic { color: var(--text-on-dark-muted); }
.hp-panel__foot { display: flex; gap: 24px; padding: 14px 16px; font-family: var(--font-mono); font-size: 12px; color: var(--text-on-dark-muted); }
.hp-panel__foot--border { border-top: 1px solid var(--border-on-dark); }
.hp-panel__foot b { color: var(--text-on-dark); font-weight: 500; }
.hp-panel__foot .push { margin-left: auto; }
.hp-panel__foot .ok { margin-left: auto; color: var(--green-600); }
.hp-panel__foot .info { margin-left: auto; color: var(--blue-400); }

.hp-prow { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-bottom: 1px solid var(--border-on-dark); }
.hp-prow__label { font-family: var(--font-mono); font-size: 12px; color: var(--text-on-dark-muted); width: 64px; }
.hp-prow__bar { flex: 1; height: 6px; background: rgba(255,255,255,0.08); border-radius: 3px; }
.hp-prow__fill { height: 100%; border-radius: 3px; }
.hp-prow__qty { font-family: var(--font-mono); font-size: 12px; color: var(--text-on-dark); }

.hp-orow { display: flex; align-items: center; gap: 14px; padding: 13px 16px; border-bottom: 1px solid var(--border-on-dark); }
.hp-orow__id { font-family: var(--font-mono); font-size: 12px; color: var(--text-on-dark-muted); width: 64px; }
.hp-orow__firma { font-size: 13.5px; color: var(--text-on-dark); flex: 1; }
.hp-orow__durum { font-family: var(--font-mono); font-size: 11px; padding: 3px 10px; border-radius: 999px; background: rgba(255,255,255,0.07); }

.hp-door-wrap { position: relative; padding: 36px 48px 30px; display: flex; justify-content: center; }
.hp-door { position: relative; width: 180px; height: 150px; }
.hp-door__b1 { position: absolute; inset: 0; border: 1.5px solid var(--blue-400); border-radius: 4px; }
.hp-door__b2 { position: absolute; inset: 22px; border: 1px solid rgba(94,148,248,0.55); border-radius: 3px; }
.hp-door__b3 { position: absolute; inset: 38px; border: 1px solid rgba(94,148,248,0.3); border-radius: 2px; }
.hp-door__dim { position: absolute; left: 0; right: 0; top: -18px; border-top: 1px solid var(--amber-500); }
.hp-door__dim span { position: absolute; top: -16px; left: 50%; transform: translateX(-50%); font-family: var(--font-mono); font-size: 10.5px; color: var(--amber-400); letter-spacing: 0.08em; }

/* Home — hizmet ortağı logo şeridi */
.partner-row { display: flex; align-items: center; gap: var(--space-10); margin-top: var(--space-12); padding-top: var(--space-8); border-top: 1px solid var(--border-subtle); flex-wrap: wrap; }
.partner-row__label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); }
.partner-row__name { font-family: var(--font-display); font-weight: 600; font-size: 17px; color: var(--ink-400); }

/* =========================== Ürünler sayfası =========================== */
.page-head__title { margin: 16px 0 0; font-family: var(--font-display); font-size: var(--text-h1); color: var(--text-on-dark); letter-spacing: var(--tracking-display); line-height: var(--leading-heading); }
.page-head__lead { margin: 14px 0 0; font-size: var(--text-lead); color: var(--text-on-dark-muted); max-width: 560px; }

/* =========================== Ürün detay =========================== */
.pd-hero { display: grid; grid-template-columns: 1fr; gap: var(--space-16); align-items: center; }
.pd-hero--split { grid-template-columns: 1.1fr 0.9fr; }
.pd-back { display: inline-flex; align-items: center; gap: 8px; background: none; border: none; cursor: pointer; color: var(--text-on-dark-muted); font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase; padding: 0; margin-bottom: 24px; text-decoration: none; }
.pd-back:hover { color: var(--text-on-dark); }
.pd-head { display: flex; align-items: center; gap: 16px; }
.pd-head__icon { width: 64px; height: 64px; border-radius: var(--radius-lg); background: rgba(255,255,255,0.08); border: 1px solid var(--border-on-dark); color: var(--blue-400); display: flex; align-items: center; justify-content: center; flex: none; }
.pd-head h1 { margin: 0; font-family: var(--font-display); font-size: var(--text-h1); color: var(--text-on-dark); letter-spacing: var(--tracking-display); line-height: 1.1; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.pd-head__tagline { font-family: var(--font-mono); font-size: 13px; color: var(--text-on-dark-muted); }
.pd-lead { margin: 20px 0 0; font-size: var(--text-lead); color: var(--text-on-dark-muted); max-width: 620px; text-wrap: pretty; }
.pd-hero__ctas { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

.pd-modules { background: var(--surface-inverse-raised); border: 1px solid var(--border-on-dark); border-radius: var(--radius-xl); box-shadow: var(--shadow-raised); padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-4); }
.pd-modules__title { display: flex; align-items: center; gap: 10px; }
.pd-modules__title .fsd-ic { color: var(--blue-400); }
.pd-modules__title span { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue-400); }
.pd-modules__grp { display: flex; flex-direction: column; gap: 8px; }
.pd-modules__grp-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-on-dark-muted); }
.pd-modules__chips { display: flex; flex-wrap: wrap; gap: 8px; }
.pd-modules__chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: var(--radius-pill); background: rgba(255,255,255,0.06); border: 1px solid var(--border-on-dark); font-size: 13px; color: var(--text-on-dark); }
.pd-modules__chip .fsd-ic { color: var(--green-600); }
.pd-modules__note { margin: 4px 0 0; font-size: 12.5px; line-height: 1.5; color: var(--text-on-dark-muted); }

.pd-tabsbar { position: sticky; top: 72px; z-index: 30; background: var(--surface-page); }
.pd-panel[hidden] { display: none; }
.pd-overview-grid, .pd-why-features { align-items: start; }
.pd-overview__text { display: flex; flex-direction: column; gap: 16px; color: var(--text-muted); line-height: 1.65; }
.pd-overview__text p { margin: 0; text-wrap: pretty; }

.pd-features { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; }
.pd-features li { display: flex; align-items: flex-start; gap: 10px; font-size: var(--text-sm); color: var(--text-body); line-height: 1.5; }
.pd-features li .fsd-ic { color: var(--green-600); margin-top: 2px; }

.pd-gallery { display: grid; grid-template-columns: 2fr 1fr; gap: var(--space-4); }
.pd-gallery__col { display: grid; grid-template-rows: 1fr 1fr; gap: var(--space-4); }
.pd-gallery .image-slot { border-radius: 14px; }
.pd-gallery__main { height: 380px; }

.pd-video { position: relative; background: var(--surface-inverse); border-radius: var(--radius-xl); aspect-ratio: 16 / 7; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; overflow: hidden; }
.pd-video__play { width: 72px; height: 72px; border-radius: 50%; background: var(--brand-primary); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-raised); cursor: pointer; }
.pd-video__cap { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-on-dark-muted); }

/* =========================== Hakkımızda =========================== */
.about-story { display: flex; flex-direction: column; gap: 18px; color: var(--text-muted); line-height: 1.65; font-size: var(--text-base); }
.about-story p { margin: 0; }
.about-stats { display: flex; gap: var(--space-20); margin-top: var(--space-16); padding-top: var(--space-10); border-top: 1px solid var(--border-subtle); flex-wrap: wrap; }

/* =========================== İletişim =========================== */
.contact-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--space-12); align-items: start; }
.contact-aside { display: flex; flex-direction: column; gap: var(--space-4); }
.contact-info { display: flex; align-items: center; gap: 14px; }
.contact-info__ic { width: 40px; height: 40px; border-radius: var(--radius-md); background: var(--surface-brand-tint); color: var(--brand-primary); display: flex; align-items: center; justify-content: center; flex: none; }
.contact-info__label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); display: block; }
.contact-info__val { font-weight: 500; color: var(--text-heading); font-size: 15px; }
.contact-hours { display: flex; flex-direction: column; gap: 6px; font-size: var(--text-sm); color: var(--text-muted); }
.contact-hours__label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); }

.contact-success { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: var(--space-12) 0; text-align: center; }
.contact-success__ic { width: 56px; height: 56px; border-radius: 50%; background: var(--green-100); color: var(--green-600); display: flex; align-items: center; justify-content: center; }
.contact-success strong { font-family: var(--font-display); font-size: var(--text-h4); color: var(--text-heading); }
.contact-success p { margin: 0; color: var(--text-muted); font-size: var(--text-sm); }

.map-wrap { position: relative; border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--border-subtle); box-shadow: var(--shadow-card); height: 420px; }
.map-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }
.map-card { position: absolute; top: 20px; left: 20px; background: var(--surface-card); border-radius: var(--radius-lg); box-shadow: var(--shadow-raised); padding: var(--space-5) var(--space-6); max-width: 300px; display: flex; flex-direction: column; gap: 8px; }
.map-card__eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-eyebrow); }
.map-card strong { font-family: var(--font-display); font-size: 17px; color: var(--text-heading); }
.map-card__addr { font-size: var(--text-sm); color: var(--text-muted); line-height: 1.5; }
.map-card__link { display: inline-flex; align-items: center; gap: 6px; font-size: var(--text-sm); font-weight: 600; color: var(--text-link); text-decoration: none; margin-top: 4px; }
.map-card__link:hover { text-decoration: underline; }

/* =========================== Responsive =========================== */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .hero__slide, .pd-hero--split, .contact-grid, .pd-overview-grid, .pd-why-features { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero__visual { min-height: 0; }
  .hero__title { font-size: 40px; }
  .fsd-footer__inner { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .pd-features { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .fsd-nav__links { display: none; }
  .fsd-nav__links--open { display: flex; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--surface-page); border-bottom: 1px solid var(--border-subtle); padding: var(--space-3) var(--container-pad); gap: 2px; box-shadow: var(--shadow-raised); }
  .fsd-nav__links--open .fsd-nav__link { justify-content: space-between; }
  .fsd-nav__mobile-toggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); background: var(--surface-card); cursor: pointer; color: var(--text-heading); }
  .fsd-nav__cta .fsd-btn--secondary { display: none; }
  .fsd-nav__mega { position: static; box-shadow: none; animation: none; border: none; }
  .fsd-nav__mega-inner { grid-template-columns: 1fr !important; padding: var(--space-4) 0; gap: var(--space-6); }
  .fsd-nav__mega-promo { display: none; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .about-stats { gap: var(--space-10); }
  .form-row { grid-template-columns: 1fr; }
  .page-head__title, .pd-head h1 { font-size: 34px; }
  .hero__title { font-size: 34px; }
}