/* ── Header: foto üzerinde yüzen açık bar ─────────────── */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 50; padding-top: 0.75rem; pointer-events: none; }
.site-header .wrap { width: min(100% - 1.5rem, 90rem); }
.site-header__inner {
  pointer-events: auto; position: relative;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-2);
  min-height: var(--header-h); padding: 0 0.75rem 0 1.25rem;
  background: color-mix(in srgb, var(--white) 88%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  border: 1px solid color-mix(in srgb, var(--white) 55%, transparent);
  border-radius: 12px;
  box-shadow: 0 10px 30px color-mix(in srgb, var(--night) 22%, transparent);
}
.brand { display: block; line-height: 0; }
.brand img { width: 148px; height: auto; }
.site-nav { display: flex; align-items: center; gap: var(--space-3); }
.site-nav ul { display: flex; gap: clamp(1rem, 2vw, 2rem); list-style: none; margin: 0; padding: 0; }
.site-nav a:not(.btn) { position: relative; text-decoration: none; font-weight: 500; font-size: var(--step--1); letter-spacing: 0.01em; color: var(--ink-2); padding-block: 0.4rem; }
.site-nav a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--signal); transform: scaleX(0); transform-origin: left; transition: transform 0.2s; }
.site-nav a:not(.btn):hover { color: var(--ink); }
.site-nav a:not(.btn):hover::after, .site-nav a[aria-current="page"]::after { transform: scaleX(1); }
.site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav .btn[aria-current="page"] { background: var(--ink); border-color: var(--ink); }
.nav-toggle { display: none; position: relative; width: 44px; height: 44px; background: none; border: 0; cursor: pointer; }
.nav-toggle__bar, .nav-toggle__bar::before, .nav-toggle__bar::after {
  content: ""; position: absolute; display: block; width: 24px; height: 2px; background: var(--ink);
}
.nav-toggle__bar { top: 21px; left: 10px; }
.nav-toggle__bar::before { top: -7px; left: 0; }
.nav-toggle__bar::after { top: 7px; left: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after { top: 0; transform: rotate(-45deg); }
@media (max-width: 1040px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none; position: absolute; top: calc(100% + 0.5rem); left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    background: var(--white); border-radius: 12px;
    padding: var(--space-2) 1.25rem var(--space-3);
    box-shadow: 0 20px 40px color-mix(in srgb, var(--night) 28%, transparent);
  }
  .site-nav.is-open { display: flex; }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav ul a { display: block; padding: 0.85rem 0; border-bottom: 1px solid var(--line); font-size: var(--step-0); }
  .site-nav a:not(.btn)::after { display: none; }
  .site-nav a[aria-current="page"] { color: var(--signal); }
  .site-nav .btn { justify-content: center; margin-top: var(--space-2); }
}

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.85rem 1.4rem; border: 2px solid var(--ink); border-radius: var(--radius);
  font: inherit; font-weight: 700; font-size: var(--step--1); letter-spacing: 0.01em;
  text-decoration: none; cursor: pointer; transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn--primary { background: var(--signal); border-color: var(--signal); color: var(--white); }
.btn--primary:hover { background: var(--ink); border-color: var(--ink); color: var(--white); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--white); }
.btn:disabled { opacity: 0.6; cursor: wait; }

/* ── Eyebrow & section head ───────────────────────────── */
.eyebrow {
  display: flex; align-items: center; gap: 0.75rem; margin-bottom: var(--space-2);
  font-family: var(--font-mono); font-size: var(--step--1); color: var(--steel);
}
.eyebrow::before { content: ""; flex: none; width: 0.5rem; height: 0.5rem; background: var(--signal); }
.eyebrow a { color: inherit; }
.eyebrow a:hover { color: var(--signal); }
.section-head { display: grid; gap: 0.75rem; margin-bottom: var(--space-4); }
.section-head__no { display: flex; align-items: center; gap: 0.6rem; font-family: var(--font-mono); font-size: var(--step--1); color: var(--steel); }
.section-head__no::before { content: ""; width: 0.5rem; height: 0.5rem; background: var(--signal); }
.section-head h2 { margin: 0; }

/* ── Hero: tam genişlik foto ──────────────────────────── */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
  min-height: clamp(30rem, 74svh, 46rem); padding-block: 8rem 0;
  background: var(--night); color: var(--white);
}
.hero--home { min-height: max(100svh, 40rem); }
.hero--compact { min-height: clamp(22rem, 46svh, 30rem); }
.hero__bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; animation: hero-drift 28s ease-out both; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, color-mix(in srgb, var(--night) 55%, transparent) 0%, color-mix(in srgb, var(--night) 28%, transparent) 38%, color-mix(in srgb, var(--night) 82%, transparent) 100%);
}
.hero--plain::before { display: none; }
.hero__inner { padding-bottom: var(--space-4); }
.hero h1 { color: var(--white); text-wrap: balance; max-width: 18ch; margin-bottom: var(--space-3); }
.hero--home h1 { max-width: 20ch; }
.hero .eyebrow { color: color-mix(in srgb, var(--white) 72%, transparent); }
.hero .eyebrow a:hover { color: var(--white); }
.hero__grid {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-4); align-items: end;
  border-top: 1px solid color-mix(in srgb, var(--white) 38%, transparent); padding-top: var(--space-3);
}
.hero__lead { max-width: 56ch; font-size: var(--step-0); line-height: 1.6; color: color-mix(in srgb, var(--white) 88%, transparent); }
.hero__meta { font-family: var(--font-mono); font-size: var(--step--1); color: color-mix(in srgb, var(--white) 72%, transparent); text-align: right; line-height: 1.7; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); }
.hero .btn--ghost { color: var(--white); border-color: color-mix(in srgb, var(--white) 70%, transparent); }
.hero .btn--ghost:hover { background: var(--white); border-color: var(--white); color: var(--ink); }
.hero__logos {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-3); align-items: center;
  list-style: none; margin: 0; padding: var(--space-3) 0 var(--space-4);
}
.hero__logos img { width: 100%; max-width: 9.5rem; height: auto; margin-inline: auto; opacity: 0.85; }
@keyframes hero-drift { from { transform: scale(1.08); } to { transform: scale(1); } }
@media (max-width: 860px) {
  .hero { padding-top: 6.5rem; }
  .hero__grid { grid-template-columns: 1fr; gap: var(--space-2); }
  .hero__meta { text-align: left; }
  .hero__logos { grid-template-columns: repeat(3, 1fr); gap: var(--space-2) var(--space-3); }
}
.not-found h1 { max-width: none; }
.not-found__code { font-family: var(--font-mono); font-size: clamp(4rem, 3rem + 8vw, 9rem); line-height: 1; color: var(--white); margin: 0 0 var(--space-2); }

/* ── Stats ────────────────────────────────────────────── */
.stats-sec { padding-block: var(--space-5) var(--space-3); }
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  list-style: none; padding: 0; margin: 0;
  border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink);
}
.stat { padding: var(--space-3) var(--space-2) var(--space-3) 0; }
.stat + .stat { padding-left: var(--space-3); border-left: 1px solid var(--line); }
.stat__value { display: block; font-family: var(--font-mono); font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.5rem); line-height: 1.2; color: var(--ink); white-space: nowrap; }
.stat__label { display: block; margin-top: 0.4rem; font-size: var(--step--1); line-height: 1.5; color: var(--steel); }
@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(odd) { padding-left: 0; border-left: 0; }
  .stat:nth-child(n + 3) { border-top: 1px solid var(--line); }
}

/* ── Services: sekmeli foto kart ──────────────────────── */
.svc { padding-block: var(--space-5); }
.svc .wrap { width: min(100% - 1rem, 94rem); }
.svc__card {
  position: relative; isolation: isolate; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-5);
  min-height: clamp(34rem, 84svh, 48rem); padding: clamp(1.25rem, 3vw, 2.5rem);
  border-radius: var(--radius-lg); background: var(--night); color: var(--white);
}
.svc__bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.6s; }
.svc__bg.is-active { opacity: 1; }
.svc__card::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, color-mix(in srgb, var(--night) 62%, transparent) 0%, color-mix(in srgb, var(--night) 30%, transparent) 40%, color-mix(in srgb, var(--night) 88%, transparent) 100%);
}
.svc__top { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-3); }
.svc__top h2 { color: var(--white); margin: 0; max-width: 14ch; }
.svc__idx { font-family: var(--font-mono); font-size: clamp(2rem, 1.2rem + 3vw, 3.75rem); line-height: 1; color: var(--white); }
.svc__tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.svc__tab {
  display: block; padding-bottom: 1.1rem; text-decoration: none;
  color: color-mix(in srgb, var(--white) 62%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--white) 38%, transparent);
  transition: color 0.25s, border-color 0.25s;
}
.svc__tab h3 { color: inherit; margin: 0 0 0.6rem; font-weight: 400; font-size: var(--step-1); }
.svc__tab p { margin: 0; max-height: 0; overflow: hidden; opacity: 0; font-size: var(--step--1); line-height: 1.6; color: var(--white); transition: max-height 0.4s, opacity 0.3s; }
.svc__tab.is-active, .svc__tab:hover { color: var(--white); }
.svc__tab.is-active { border-bottom-color: var(--signal); }
.svc__tab.is-active p { max-height: 9rem; opacity: 1; }
@media (max-width: 900px) {
  .svc__tabs { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
  .svc__tab { color: var(--white); }
  .svc__tab p { max-height: none; opacity: 1; margin-top: 0.25rem; color: color-mix(in srgb, var(--white) 78%, transparent); }
}
@media (max-width: 560px) { .svc__tabs { grid-template-columns: 1fr; } }

/* ── Süreç listesi (steps) ────────────────────────────── */
.proc { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: var(--space-5); align-items: start; }
.proc__intro { position: sticky; top: calc(var(--header-h) + 3rem); }
.proc__intro h2 sup { margin-left: 0.2em; font-size: 0.3em; font-family: var(--font-mono); color: var(--steel); vertical-align: super; }
.proc__intro p { color: var(--steel); margin-bottom: var(--space-3); }
.steps { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); counter-reset: step; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 3.5rem 1fr; gap: var(--space-2); padding: var(--space-3) 0; border-bottom: 1px solid var(--ink); transition: padding-left 0.2s; }
.steps li::before { content: "0" counter(step); padding-top: 0.45rem; font-family: var(--font-mono); font-size: var(--step--1); color: var(--steel); }
.steps h3 { margin: 0 0 0.35rem; font-size: var(--step-2); font-weight: 400; transition: color 0.2s; }
.steps p { margin: 0; color: var(--steel); }
.steps li:hover { padding-left: 0.5rem; }
.steps li:hover h3, .steps li:hover::before { color: var(--signal); }
@media (max-width: 860px) { .proc { grid-template-columns: 1fr; gap: var(--space-3); } .proc__intro { position: static; } }

/* ── Service list (kullanılan yerlerde) ───────────────── */
.service-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.service-list li { border-bottom: 1px solid var(--ink); }
.service-list a { display: grid; grid-template-columns: 4rem 1fr auto; gap: var(--space-2); align-items: center; padding: var(--space-3) 0; text-decoration: none; }
.service-list__no { font-family: var(--font-mono); color: var(--steel); }
.service-list h3 { margin: 0; font-size: var(--step-2); }
.service-list p { margin: 0.25rem 0 0; color: var(--steel); }
.service-list__arrow { font-size: var(--step-2); color: var(--signal); transition: transform 0.15s; }
.service-list a:hover .service-list__arrow { transform: translateX(6px); }

/* ── Figures, dimension, gallery ──────────────────────── */
.photo-band { padding: 0; }
.photo-band img { width: 100%; height: clamp(16rem, 42vw, 32rem); object-fit: cover; }
.photo-band figcaption { padding-top: 0.5rem; font-family: var(--font-mono); font-size: var(--step--1); color: var(--steel); }
.fig img { width: 100%; border-radius: var(--radius-lg); object-fit: cover; }
.fig figcaption { padding-top: 0.5rem; font-family: var(--font-mono); font-size: var(--step--1); color: var(--steel); }
.fig--tall img { aspect-ratio: 1 / 1; }
.fig--std img { aspect-ratio: 4 / 3; margin-top: var(--space-3); }
.fig--wide img { aspect-ratio: 16 / 9; margin-top: var(--space-3); }
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.gallery .fig img { aspect-ratio: 4 / 3; }
@media (max-width: 640px) { .gallery { grid-template-columns: 1fr; } }

/* Ölçü hattı: yalnız teyitli ölçüsü olan fotoğraflarda */
.dim { position: relative; padding-top: 2rem; }
.dim__w { position: absolute; top: 0; left: 0; right: 0; height: 1.25rem; display: flex; align-items: center; justify-content: center; border-inline: 1px solid var(--ink); font-family: var(--font-mono); font-size: 0.78rem; line-height: 1; color: var(--ink); }
.dim__w::before { content: ""; position: absolute; inset: 50% 0 auto; border-top: 1px solid var(--ink); }
.dim__w > span { position: relative; padding: 0.35rem 0.6rem; background: var(--paper); white-space: nowrap; }
.dim img { width: 100%; aspect-ratio: 2.2 / 1; object-fit: cover; border-radius: var(--radius-lg); }

/* Machine tiles */
.machines { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-2); margin-bottom: var(--space-5); }
.machine { position: relative; overflow: hidden; border-radius: var(--radius-lg); background: #eef1ee; }
.machine img { width: 100%; aspect-ratio: 4 / 4.2; object-fit: contain; padding: 1.25rem 1rem 1rem; padding-top: 4.5rem; }
.machine--photo img { object-fit: cover; padding: 0; background: var(--night); }
.machine figcaption { position: absolute; top: 1rem; left: 1.1rem; right: 1rem; display: grid; gap: 0.1rem; }
.machine__name { font-size: var(--step--1); font-weight: 500; color: var(--ink); }
.machine__spec { font-family: var(--font-mono); font-size: var(--step--1); color: var(--steel); }
.machine--photo .machine__name { color: var(--white); }
.machine--photo .machine__spec { color: color-mix(in srgb, var(--white) 78%, transparent); }
@media (max-width: 860px) { .machines { grid-template-columns: 1fr; } .machine img { aspect-ratio: 16 / 11; } }

/* ── Spec table ───────────────────────────────────────── */
.table-scroll { overflow-x: auto; }
.spec-table { width: 100%; border-collapse: collapse; font-size: var(--step--1); }
.spec-table th, .spec-table td { text-align: left; vertical-align: top; padding: 1.1rem 1rem 1.1rem 0; border-bottom: 1px solid var(--line); }
.spec-table thead th { font-family: var(--font-mono); font-weight: 500; color: var(--steel); border-bottom: 1px solid var(--ink); }
.spec-table tbody tr:last-child td { border-bottom-color: var(--ink); }
.spec-table td.num { font-family: var(--font-mono); color: var(--ink); white-space: nowrap; }

/* ── Chips ────────────────────────────────────────────── */
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; padding: 0; margin: 0 0 var(--space-2); }
.chips li { border: 1px solid var(--ink); border-radius: var(--radius); padding: 0.45rem 0.95rem; font-size: var(--step--1); background: transparent; }
.chips a { text-decoration: none; }

/* ── Split ────────────────────────────────────────────── */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); align-items: start; }
.split > * { min-width: 0; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: var(--space-4); } }
.section--flush { padding-top: 0; }

/* ── Müşteriler: koyu panel, beyaz logolar ────────────── */
.refs-sec { padding-block: var(--space-5); }
.refs-sec .wrap { width: min(100% - 1rem, 94rem); }
.refs-panel { padding: clamp(1.25rem, 3vw, 3rem); border-radius: var(--radius-lg); background: var(--ink); }
.refs-panel .section-head { margin-bottom: var(--space-4); }
.refs-panel .section-head h2 { color: var(--white); }
.refs-panel .section-head__no { color: color-mix(in srgb, var(--white) 70%, transparent); }
.refs { display: grid; grid-template-columns: repeat(8, 1fr); list-style: none; padding: 0; margin: 0; border-top: 1px solid color-mix(in srgb, var(--white) 22%, transparent); border-left: 1px solid color-mix(in srgb, var(--white) 22%, transparent); }
.refs li { display: grid; place-items: center; padding: 1.1rem 0.5rem; border-right: 1px solid color-mix(in srgb, var(--white) 22%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--white) 22%, transparent); }
.refs img { width: 100%; max-width: 8.5rem; height: auto; }
@media (max-width: 960px) { .refs { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 520px) { .refs { grid-template-columns: repeat(2, 1fr); } }

/* ── CTA + footer: tek açık panel ─────────────────────── */
.cta-band { margin-inline: 0.5rem; padding-block: var(--space-5) var(--space-4); border-radius: var(--radius-lg) var(--radius-lg) 0 0; background: var(--paper-2); color: var(--ink-2); }
.cta-band h2 { margin-bottom: 0.75rem; font-size: var(--step-4); }
.cta-band p { margin-bottom: 0; color: var(--steel); }
.cta-band__inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: var(--space-3); }
.cta-band .hero__actions { margin-top: 0; }

.site-footer { margin: 0 0.5rem 0.5rem; padding-block: var(--space-4) var(--space-3); border-radius: 0 0 var(--radius-lg) var(--radius-lg); background: var(--paper-2); font-size: var(--step--1); }
main:not(:has(.cta-band)) + .site-footer { border-radius: var(--radius-lg); }
.site-footer .wrap { position: relative; }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-4); padding-top: var(--space-4); border-top: 1px solid color-mix(in srgb, var(--ink) 18%, transparent); }
.site-footer__grid img { margin-bottom: var(--space-2); }
.footer-title { margin: 0 0 var(--space-2); font-family: var(--font-mono); font-size: var(--step--1); font-weight: 500; color: var(--steel); }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--signal); }
.site-footer__bottom { display: flex; justify-content: space-between; gap: var(--space-2); margin-top: var(--space-4); color: var(--steel); }
.site-footer__bottom p { margin: 0; }
@media (max-width: 760px) { .site-footer__grid { grid-template-columns: 1fr; gap: var(--space-3); } }

/* ── Forms ────────────────────────────────────────────── */
.form { display: grid; gap: var(--space-2); }
.field label { display: block; font-weight: 500; margin-bottom: 0.35rem; }
.field input, .field textarea, .field select {
  width: 100%; font: inherit; padding: 0.8rem 0.95rem;
  border: 1px solid var(--steel); border-radius: var(--radius);
  background: var(--white); color: var(--ink-2);
}
.field input:focus-visible, .field textarea:focus-visible, .field select:focus-visible { outline-offset: 0; border-color: var(--ink); }
.field textarea { min-height: 9rem; resize: vertical; }
.field [aria-invalid="true"] { border-color: var(--signal); }
.field__error { min-height: 1.2em; margin: 0.25rem 0 0; font-size: var(--step--1); color: var(--signal); }
.form__status { font-weight: 500; margin: 0; }
.hp { position: absolute; left: -9999px; }
.form .btn { justify-self: start; }

/* ── Calculator ───────────────────────────────────────── */
.calc { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-2); align-items: end; }
.calc .btn { grid-column: span 4; justify-self: start; }
@media (max-width: 760px) {
  .calc { grid-template-columns: 1fr 1fr; }
  .calc .btn { grid-column: span 2; }
}
.calc-result { display: block; min-height: 1.5em; margin-top: var(--space-3); font-family: var(--font-mono); font-size: var(--step-3); color: var(--ink); }
.calc-result[data-state="error"] { font-family: var(--font-body); font-size: var(--step-0); color: var(--signal); }