/* Hallmark · genre: modern-minimal · macrostructure: Workbench · theme: Azure Instrument (custom)
 * design-system: design.md · designed-as-app · nav: N1b (bordered) · footer: Ft1 (mast-headed)
 * pre-emit critique: P4 H4 E5 S5 R5 V4
 */
@import url("https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700;800&family=Geist+Mono:wght@400;500;600&display=swap");
@import "./tokens.css";

*, *::before, *::after { box-sizing: border-box; }

html, body { overflow-x: clip; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink-2);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-ink);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
}

p { margin: 0; }

ul { margin: 0; padding: 0; list-style: none; }

button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

input, textarea, select { font: inherit; color: inherit; }

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

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

/* ---------- Layout helpers ---------- */

.container {
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.section {
  padding-block: var(--space-3xl);
}

.section--tight { padding-block: var(--space-2xl); }
.section--roomy { padding-block: var(--space-4xl); }

.section--alt {
  background: var(--color-paper-2);
}

.section--graphite {
  background: var(--color-graphite);
  color: var(--color-on-graphite);
}

.section--graphite h1,
.section--graphite h2,
.section--graphite h3 { color: var(--color-on-graphite); }

/* .kicker — a plain, undecorated small-caps label. Used sparingly (Vizyon/
   Misyon on the kurumsal page) to tell two parallel items apart — not a
   per-section eyebrow tic. No dot, no accent colour. */
.kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-neutral);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.lede {
  font-size: var(--text-md);
  color: var(--color-ink-2);
  max-width: 60ch;
  line-height: 1.6;
}

/* ---------- Reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur-long) var(--ease-out), transform var(--dur-long) var(--ease-out);
}
.reveal.is-in { opacity: 1; transform: none; }

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

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  height: 48px;
  padding-inline: var(--space-lg);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: -0.005em;
  white-space: nowrap;
  transition: background var(--dur-short) var(--ease-out),
              color var(--dur-short) var(--ease-out),
              border-color var(--dur-short) var(--ease-out),
              transform var(--dur-short) var(--ease-out);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-ink);
  color: var(--color-paper);
  border: 1px solid var(--color-ink);
}
.btn--primary:hover { background: oklch(28% 0.02 255); border-color: oklch(28% 0.02 255); }
.btn--primary:disabled { background: var(--color-rule-2); border-color: var(--color-rule-2); color: var(--color-neutral); cursor: not-allowed; }

.btn--accent {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border: 1px solid var(--color-accent);
}
.btn--accent:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); }
.btn--accent:disabled { background: var(--color-rule-2); border-color: var(--color-rule-2); color: var(--color-neutral); cursor: not-allowed; }

.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-rule-2);
}
.btn--outline:hover { border-color: var(--color-ink); }

.btn--outline-on-dark {
  background: transparent;
  color: var(--color-on-graphite);
  border: 1px solid oklch(60% 0.03 255 / 0.45);
}
.btn--outline-on-dark:hover { border-color: var(--color-on-graphite); }

.btn--sm { height: 40px; padding-inline: var(--space-md); font-size: var(--text-xs); }
.btn--full { width: 100%; }

.btn--loading { position: relative; color: transparent !important; pointer-events: none; }
.btn--loading::after {
  content: "";
  position: absolute;
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-top-color: transparent;
  color: var(--color-paper);
  animation: spin 700ms linear infinite;
}
.btn--primary.btn--loading::after, .btn--accent.btn--loading::after { color: var(--color-paper); }
.btn--outline.btn--loading::after { color: var(--color-ink); }

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

.link-underline {
  position: relative;
  font-weight: 600;
  color: var(--color-ink);
}
.link-underline::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 1.5px; background: var(--color-accent);
  transition: right var(--dur-med) var(--ease-out);
}
.link-underline:hover::after, .link-underline:focus-visible::after { right: 0; }

/* ---------- Nav (N1b canonical SaaS three-section, adapted) ---------- */

.nav {
  --mark-size: 68px;
  position: sticky;
  top: 0;
  inset-inline: 0;
  z-index: var(--z-sticky);
  background: color-mix(in oklch, var(--color-paper) 92%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--color-rule);
  transition: box-shadow var(--dur-med) ease;
}
@media (min-width: 40rem) {
  .nav { --mark-size: 96px; }
}
.nav.is-scrolled {
  box-shadow: 0 8px 24px -20px oklch(20% 0.05 255 / 0.4);
}

.nav__inner {
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
  height: calc(var(--mark-size) + 16px);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-md);
  transition: height var(--dur-med) var(--ease-out);
}

.nav__brand { display: flex; align-items: center; gap: var(--space-sm); justify-self: start; }

/* Brand mark — sized up from the original 40px, with a slow thermal-cycle
   glow (blue → warm → blue) behind it. Real motion, not decoration: it
   traces the same heating/cooling duality the mark itself depicts. */
.nav__brand-mark {
  position: relative;
  display: flex;
  width: var(--mark-size);
  height: var(--mark-size);
  flex-shrink: 0;
  transition: width var(--dur-med) var(--ease-out), height var(--dur-med) var(--ease-out);
}
.nav__brand-mark::before {
  content: "";
  position: absolute;
  inset: -10%;
  border-radius: 50%;
  filter: blur(10px);
  z-index: -1;
  animation: brand-thermal-pulse 7s var(--ease-in-out) infinite;
}
.nav__brand-mark img {
  height: 100%;
  width: 100%;
  transition: transform var(--dur-med) var(--ease-out);
}
.nav__brand:hover .nav__brand-mark img,
.nav__brand:focus-visible .nav__brand-mark img {
  transform: scale(1.05);
}

@keyframes brand-thermal-pulse {
  0%   { background: radial-gradient(circle, var(--color-accent) 0%, transparent 68%); opacity: 0.16; }
  50%  { background: radial-gradient(circle, oklch(64% 0.17 45) 0%, transparent 68%); opacity: 0.22; }
  100% { background: radial-gradient(circle, var(--color-accent) 0%, transparent 68%); opacity: 0.16; }
}

.nav__brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav__brand-name { font-family: var(--font-display); font-weight: 800; font-size: 1.3rem; letter-spacing: -0.02em; color: var(--color-ink); }
.nav__brand-sub { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-neutral); }
@media (max-width: 26rem) {
  .nav__brand-name { font-size: 1.05rem; }
  .nav__brand-sub { font-size: 0.6rem; }
}

.nav__center { justify-self: center; display: flex; align-items: center; gap: var(--space-lg); }

.nav__item { position: relative; }
.nav__link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: var(--text-sm); font-weight: 600; color: var(--color-ink-2);
  padding-block: var(--space-sm);
  transition: color var(--dur-short) var(--ease-out);
}
.nav__link:hover, .nav__link[aria-current="page"] { color: var(--color-ink); }
.nav__link[aria-current="page"] { color: var(--color-accent); }

.nav__caret { width: 9px; height: 9px; transition: transform var(--dur-short) var(--ease-out); }
.nav__item--menu:hover .nav__caret, .nav__item--menu:focus-within .nav__caret { transform: rotate(180deg); }

.nav__dropdown {
  position: absolute; top: 100%; left: 50%; transform: translate(-50%, -6px);
  min-width: 15rem;
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: var(--space-xs);
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out), visibility var(--dur-short);
  z-index: var(--z-dropdown);
}
.nav__item--menu:hover .nav__dropdown,
.nav__item--menu:focus-within .nav__dropdown {
  opacity: 1; visibility: visible; transform: translate(-50%, 0);
}
.nav__dropitem { display: block; padding: var(--space-sm) var(--space-md); border-radius: var(--radius-sm); }
.nav__dropitem:hover { background: var(--color-paper-2); }
.nav__dropitem b { display: block; font-size: var(--text-sm); color: var(--color-ink); }
.nav__dropitem i { display: block; font-style: normal; font-size: var(--text-xs); color: var(--color-neutral); margin-top: 2px; }

.nav__right { justify-self: end; display: flex; align-items: center; gap: var(--space-md); }
.nav__phone { display: none; }

.nav__burger {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-rule);
}
.nav__burger span { display: block; width: 18px; height: 1.5px; background: var(--color-ink); position: relative; }
.nav__burger span::before, .nav__burger span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 1.5px; background: var(--color-ink); transition: transform var(--dur-short);
}
.nav__burger span::before { top: -6px; }
.nav__burger span::after { top: 6px; }

.nav__mobile { display: none; }

@media (max-width: 61rem) {
  .nav__center { display: none; }
  .nav__phone { display: none; }
  .nav__burger { display: inline-flex; }
  .nav__inner { grid-template-columns: auto 1fr auto; }
  .nav__right .btn--accent { display: none; }

  .nav__mobile {
    display: block;
    position: fixed;
    /* top+height, not inset's bottom:0 — .nav has backdrop-filter, which
       makes it the containing block for this fixed child, so "bottom: 0"
       resolves against the nav bar's own height instead of the viewport.
       --nav-h is measured live in Nav.tsx since the logo (--mark-size) is
       responsive and the bar's height changes with it. */
    top: var(--nav-h, 116px);
    left: 0;
    right: 0;
    height: calc(100vh - var(--nav-h, 116px));
    background: var(--color-paper);
    z-index: var(--z-modal);
    padding: var(--space-lg) var(--page-gutter) var(--space-2xl);
    overflow-y: auto;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out), visibility var(--dur-med);
  }
  .nav__mobile.is-open { opacity: 1; transform: none; visibility: visible; }
  .nav__mobile > a:not(.btn) { display: block; padding: var(--space-md) 0; font-size: var(--text-lg); font-weight: 700; border-bottom: 1px solid var(--color-rule); color: var(--color-ink); }
  .nav__mobile .nav__mobile-sub { padding-left: var(--space-md); }
  .nav__mobile .nav__mobile-sub a { display: block; font-size: var(--text-base); font-weight: 500; border-bottom: none; padding-block: var(--space-xs); color: var(--color-ink-2); }
  .nav__mobile .btn { margin-top: var(--space-lg); }
}

/* ---------- Footer (Ft1 mast-headed, enriched with contact) ---------- */

.footer {
  background: var(--color-graphite);
  color: var(--color-on-graphite-muted);
}

.footer__top {
  padding-block: var(--space-3xl) var(--space-2xl);
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
}

@media (max-width: 60rem) {
  .footer__top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 30rem) {
  .footer__top { grid-template-columns: 1fr; gap: var(--space-xl); }
}

.footer__brand { display: flex; align-items: flex-start; gap: var(--space-sm); }
.footer__brand img { height: 44px; filter: brightness(0) invert(1) opacity(0.92); }
.footer__wordmark { font-family: var(--font-display); font-weight: 800; color: var(--color-on-graphite); font-size: 1.1rem; letter-spacing: -0.02em; }
.footer__tagline { margin-top: var(--space-xs); font-size: var(--text-sm); max-width: 30ch; color: var(--color-on-graphite-muted); }

.footer__heading { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.09em; text-transform: uppercase; color: var(--color-on-graphite); margin-bottom: var(--space-md); }
.footer__links { display: grid; gap: var(--space-sm); }
.footer__links a { font-size: var(--text-sm); color: var(--color-on-graphite-muted); transition: color var(--dur-short); }
.footer__links a:hover { color: var(--color-accent); }

.footer__contact { display: grid; gap: var(--space-sm); font-size: var(--text-sm); }
.footer__contact a { color: var(--color-on-graphite-muted); }
.footer__contact a:hover { color: var(--color-accent); }

.footer__bottom {
  border-top: 1px solid oklch(60% 0.03 255 / 0.16);
  padding-block: var(--space-lg);
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-md);
  font-size: var(--text-xs);
  flex-wrap: wrap;
}

/* ---------- Hero (H2 split diptych, knobs: ratio=6/6, right=photo, underlay=single rule below) ---------- */

.hero {
  padding-block: var(--space-2xl) var(--space-3xl);
  position: relative;
  overflow: clip;
}

/* Faint engineered blueprint grid — hairline-only, no accent colour spend */
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 140%;
  background-image:
    repeating-linear-gradient(90deg, color-mix(in oklch, var(--color-rule-2) 55%, transparent) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, color-mix(in oklch, var(--color-rule-2) 55%, transparent) 0 1px, transparent 1px 88px);
  -webkit-mask-image: radial-gradient(60% 55% at 18% 30%, black, transparent);
  mask-image: radial-gradient(60% 55% at 18% 30%, black, transparent);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }

.hero-split {
  display: grid;
  grid-template-columns: 6fr 6fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (max-width: 60rem) {
  .hero-split { grid-template-columns: 1fr; gap: var(--space-xl); }
}

.hero__title {
  font-size: var(--text-display);
  overflow-wrap: anywhere;
  min-width: 0;
}

.hero__lede {
  margin-top: var(--space-lg);
  font-size: var(--text-md);
  color: var(--color-ink-2);
  max-width: 52ch;
}

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

.hero__stats {
  margin-top: var(--space-2xl);
  display: flex;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}
.hero__stat-num { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 800; color: var(--color-ink); }
.hero__stat-label { font-size: var(--text-xs); color: var(--color-neutral); margin-top: 2px; }

.hero__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3.1;
  border: 1px solid var(--color-rule);
  box-shadow: var(--shadow-card);
}
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__media-tag {
  position: absolute; left: var(--space-md); bottom: var(--space-md);
  background: color-mix(in oklch, var(--color-graphite) 88%, transparent);
  color: var(--color-on-graphite);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  backdrop-filter: blur(6px);
}

/* ---------- Section head ---------- */

.section-head {
  max-width: 42rem;
  margin-bottom: var(--space-2xl);
}
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: var(--text-3xl); margin-top: var(--space-sm); }
.section-head .lede { margin-top: var(--space-md); }

/* ---------- Product card grid (F6) ---------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-xl) var(--space-lg);
}
@media (max-width: 60rem) { .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 30rem) { .product-grid { grid-template-columns: minmax(0, 1fr); } }

.product-grid--home {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 60rem) { .product-grid--home { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.product {
  display: grid;
  gap: var(--space-sm);
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}
.product:hover { border-color: var(--color-rule-2); box-shadow: var(--shadow-card); transform: translateY(-2px); }

.product__media { display: block; aspect-ratio: 4 / 3; background: var(--color-paper-2); overflow: hidden; position: relative; }
.product__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-long) var(--ease-out); }
.product:hover .product__media img { transform: scale(1.035); }

.product__category-tag {
  position: absolute; top: var(--space-sm); left: var(--space-sm);
  background: color-mix(in oklch, var(--color-paper) 90%, transparent);
  backdrop-filter: blur(4px);
  padding: 3px var(--space-sm);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-2);
}

.product__body { padding: 0 var(--space-md) var(--space-md); display: grid; gap: var(--space-2xs); }
.product__name { font-size: var(--text-md); font-weight: 700; color: var(--color-ink); }
.product__desc { font-size: var(--text-sm); color: var(--color-muted); }
.product__foot { display: flex; align-items: center; justify-content: space-between; margin-top: var(--space-sm); }
.product__cta { font-family: var(--font-body); font-size: var(--text-xs); font-weight: 700; color: var(--color-accent); display: inline-flex; align-items: center; gap: 4px; }
.product__cta:hover { text-decoration: underline; }

/* ---------- Why-us / feature strip (F3-ish tabular, avoids 3-equal-icon tile cliché) ---------- */

.why-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 0.9fr;
  gap: 0;
  border-top: 1px solid var(--color-rule);
}
@media (max-width: 60rem) { .why-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 30rem) { .why-grid { grid-template-columns: 1fr; } }

.why-item {
  padding: var(--space-xl) var(--space-lg);
  border-right: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
}
.why-item:last-child { border-right: none; }
.why-item h3 { font-size: var(--text-md); }
.why-item p { font-size: var(--text-sm); color: var(--color-muted); margin-top: var(--space-xs); }

.why-item__icon {
  width: 26px;
  height: 26px;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

/* ---------- Value cards (Kurumsal) ---------- */

.value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: var(--space-lg);
}
@media (max-width: 60rem) { .value-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 30rem) { .value-grid { grid-template-columns: 1fr; } }

.value-card {
  padding: var(--space-lg);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  background: var(--color-paper);
}
.value-card h3 { font-size: var(--text-base); }
.value-card p { font-size: var(--text-sm); color: var(--color-muted); margin-top: var(--space-xs); }

.value-card__icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

/* ---------- CTA band ---------- */

.cta-band {
  border-radius: var(--radius-lg);
  padding: var(--space-3xl) var(--space-2xl);
  display: grid;
  grid-template-columns: 1.4fr auto;
  align-items: center;
  gap: var(--space-2xl);
}
@media (max-width: 55rem) {
  .cta-band { grid-template-columns: 1fr; text-align: left; padding: var(--space-2xl) var(--space-lg); }
}
.cta-band h2 { font-size: var(--text-3xl); color: var(--color-on-graphite); }
.cta-band p { margin-top: var(--space-sm); color: var(--color-on-graphite-muted); max-width: 46ch; }
.cta-band__actions { display: flex; gap: var(--space-md); flex-wrap: wrap; }

/* ---------- Applications / photo strip (real field photos) ---------- */

.app-strip {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-md);
}
@media (max-width: 45rem) { .app-strip { grid-template-columns: 1fr; } }
.app-strip figure { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-rule); aspect-ratio: 16/11; }
.app-strip img { width: 100%; height: 100%; object-fit: cover; }
.app-strip figcaption { margin-top: var(--space-xs); font-size: var(--text-xs); color: var(--color-neutral); }

/* ---------- Capability photo strip (real production photography) ---------- */

.capability-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
}
@media (max-width: 60rem) { .capability-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.capability-strip figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-rule);
  aspect-ratio: 4 / 3.4;
  position: relative;
}
.capability-strip img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-long) var(--ease-out); }
.capability-strip figure:hover img { transform: scale(1.04); }
.capability-strip figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-xs);
  color: var(--color-on-graphite);
  background: linear-gradient(0deg, color-mix(in oklch, var(--color-graphite) 85%, transparent), transparent);
}

/* ---------- Forms ---------- */

.form-grid { display: grid; gap: var(--space-lg); }
.form-row { display: grid; gap: var(--space-lg); grid-template-columns: 1fr 1fr; }
@media (max-width: 40rem) { .form-row { grid-template-columns: 1fr; } }

.field { display: grid; gap: var(--space-xs); }
.field label { font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.02em; color: var(--color-ink); }
.field .hint { font-size: var(--text-xs); color: var(--color-neutral); }

.field input,
.field textarea,
.field select {
  height: 50px;
  padding-inline: var(--space-md);
  border: 1px solid var(--color-rule-2);
  border-radius: var(--radius-sm);
  background: var(--color-paper);
  color: var(--color-ink);
  transition: border-color var(--dur-short) var(--ease-out), box-shadow var(--dur-short) var(--ease-out);
}
.field textarea { height: auto; min-height: 140px; padding-block: var(--space-md); resize: vertical; }
.field input:hover, .field textarea:hover, .field select:hover { border-color: var(--color-neutral); }
.field input:focus-visible, .field textarea:focus-visible, .field select:focus-visible {
  outline: none; border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-accent) 22%, transparent);
}
.field input:disabled, .field textarea:disabled { background: var(--color-paper-2); color: var(--color-neutral); cursor: not-allowed; }
.field--error input, .field--error textarea { border-color: var(--color-error); }
.field--error input:focus-visible, .field--error textarea:focus-visible { box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-error) 20%, transparent); }
.field__error { font-size: var(--text-xs); color: var(--color-error); }
.field--success input { border-color: var(--color-ok); }

.form-status {
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
}
.form-status--success { background: color-mix(in oklch, var(--color-ok) 12%, var(--color-paper)); color: oklch(32% 0.1 150); }
.form-status--error { background: var(--color-error-wash); color: oklch(35% 0.14 24); }

/* ---------- Info cards (İletişim) ---------- */

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
}
.info-card {
  padding: var(--space-lg);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
}
.info-card { min-width: 0; }
.info-card__icon { width: 22px; height: 22px; color: var(--color-accent); margin-bottom: var(--space-sm); }
.info-card__label { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent); }
.info-card__value {
  margin-top: var(--space-sm);
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-ink);
  overflow-wrap: anywhere;
  word-break: break-word;
}
.info-card__sub { margin-top: var(--space-2xs); font-size: var(--text-sm); color: var(--color-muted); overflow-wrap: anywhere; }

.map-embed {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-rule);
  aspect-ratio: 16 / 7;
}
.map-embed iframe { width: 100%; height: 100%; border: 0; display: block; filter: grayscale(0.15) contrast(1.02); }

/* ---------- Category tabs (Ürünler) ---------- */

.tabbar {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  border-bottom: 1px solid var(--color-rule);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-2xl);
}
.tab {
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink-2);
  border: 1px solid transparent;
}
.tab:hover { color: var(--color-ink); }
.tab[data-active="true"] { background: var(--color-ink); color: var(--color-paper); }

.subcategory-head { margin-block: var(--space-2xl) var(--space-lg); display: flex; align-items: baseline; gap: var(--space-md); flex-wrap: wrap; }
.subcategory-head h2 { font-size: var(--text-xl); }
.subcategory-head span { font-size: var(--text-sm); color: var(--color-neutral); }

/* ---------- FAQ accordion ---------- */

.faq {
  display: grid;
  border-top: 1px solid var(--color-rule);
  max-width: 48rem;
  margin-inline: auto;
}
.faq-item { border-bottom: 1px solid var(--color-rule); padding-block: var(--space-lg); }
.faq-item summary {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: var(--color-ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-weight: 400;
  color: var(--color-neutral);
  transition: transform var(--dur-short) var(--ease-out);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  margin-top: var(--space-sm);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

/* ---------- Not found (404) ---------- */

.notfound { text-align: center; }
.notfound__num {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(6rem, 18vw, 11rem);
  line-height: 1;
  color: var(--color-ink);
  margin-block: var(--space-md);
}

/* ---------- Placeholder (Referanslar) ---------- */

.placeholder-block {
  text-align: center;
  padding: var(--space-4xl) var(--space-lg);
  border: 1px dashed var(--color-rule-2);
  border-radius: var(--radius-lg);
}
.placeholder-block h2 { font-size: var(--text-2xl); }
.placeholder-block p { margin-top: var(--space-sm); color: var(--color-muted); max-width: 42ch; margin-inline: auto; }

/* ---------- Breadcrumb ---------- */

.crumbs { display: flex; gap: var(--space-2xs); font-size: var(--text-xs); color: var(--color-neutral); margin-bottom: var(--space-md); }
.crumbs a:hover { color: var(--color-accent); }

/* ---------- Utility ---------- */

.stack { display: grid; gap: var(--space-md); }
.mt-0 { margin-top: 0 !important; }
.text-muted { color: var(--color-muted); }
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px var(--space-sm);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 600;
  background: var(--color-accent-wash);
  color: oklch(35% 0.14 255);
}

@media (max-width: 26rem) {
  .container { padding-inline: 1.1rem; }
}