/* ILTERIOONE — minimal, typography-first design system */

:root {
  --paper:      #FAFAF8;
  --paper-alt:  #F2F2EE;
  --ink:        #14140F;
  --ink-soft:   #3D3D36;
  --muted:      #85857A;
  --rule:       #E2E2D9;
  --accent:     #A3401F;
  --accent-dim: #C87A5E;

  /* Logo renkleri marka kitinden gelir ve sitenin paletinden bağımsızdır */
  --brand-ink:  #201E1D;
  --brand-red:  #EC3013;

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  /* Yalnızca logo yazısı için — marka kitinin yazı tipi */
  --brand-font: "Archivo", Helvetica, Arial, sans-serif;

  --wrap: 1080px;
  --gutter: clamp(1.25rem, 5vw, 3.5rem);
  --header-h: 68px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* yapışkan başlık çapa hedeflerinin üstünü örtmesin */
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: inherit; }

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

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

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

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-weight: 500;
  letter-spacing: -0.032em;
  line-height: 1.08;
  margin: 0;
  text-wrap: balance;
}

.display {
  font-size: clamp(2.6rem, 7.2vw, 5.2rem);
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
.h3 { font-size: clamp(1.3rem, 2.4vw, 1.75rem); letter-spacing: -0.025em; }

.lede {
  font-size: clamp(1.05rem, 1.9vw, 1.3rem);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 44ch;
  text-wrap: pretty;
}

p { margin: 0 0 1.1em; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

.prose { max-width: 62ch; color: var(--ink-soft); }
.prose strong { color: var(--ink); font-weight: 500; }

.label {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--rule);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: var(--header-h);
}

/* ---------- Marka kilidi ----------
   Oranlar ilterioone-lockup.svg'den: amblem kutusu 100 birim, yazı 42 birim
   (0.42×), amblemin sağ ucu ile yazı arası 35 birim (0.35×). Amblem 32px'in
   altına inmiyor — altına inerse kumpas çizgileri dağılır. */

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.79rem;
  text-decoration: none;
  color: var(--brand-ink);
  white-space: nowrap;
}

.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  overflow: visible;
}
.brand-mark .bar { stroke: var(--brand-red); }
.brand-mark .tick { stroke-linecap: butt; }   /* kumpas çizgileri düz uçlu */

.brand-word {
  font-family: var(--brand-font);
  font-weight: 700;
  font-size: 0.945rem;
  letter-spacing: -0.025em;
  line-height: 1;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
  margin-left: auto;
}

.nav a {
  font-size: 0.875rem;
  text-decoration: none;
  color: var(--ink-soft);
  white-space: nowrap;
  transition: color .18s ease;
}
.nav a:hover { color: var(--accent); }

.lang {
  display: inline-flex;
  border: 1px solid var(--rule);
  border-radius: 999px;
  overflow: hidden;
  background: var(--paper);
}
.lang button {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 0.36rem 0.62rem;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background .18s ease, color .18s ease;
}
.lang button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

/* Dar ekran: marka + dil üstte, bölüm bağlantıları altta yatay kayan şerit.
   Tek satırda kalınca nav görünüm alanının dışına taşıyordu. */
@media (max-width: 759px) {
  :root { --header-h: 97px; }
  .site-header .wrap {
    flex-wrap: wrap;
    gap: 0.75rem;
    row-gap: 0;
    min-height: 0;
    padding-block: 0.6rem 0;
  }
  .brand { order: 1; min-height: 2.5rem; }
  .lang { order: 2; margin-left: auto; }
  .nav {
    order: 3;
    width: calc(100% + 2 * var(--gutter));
    margin-inline: calc(-1 * var(--gutter));
    padding: 0.15rem var(--gutter) 0.6rem;
    gap: 1.15rem;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .nav::-webkit-scrollbar { display: none; }
}

/* ---------- Sections ---------- */

section { padding-block: clamp(4.5rem, 11vw, 8.5rem); }
.rule-top { border-top: 1px solid var(--rule); }

.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}
@media (min-width: 820px) {
  .section-head { grid-template-columns: 15ch 1fr; gap: 3rem; align-items: start; }
}

/* ---------- Hero ---------- */

.hero { padding-block: clamp(5rem, 14vw, 11rem) clamp(4rem, 10vw, 7rem); }
.hero .display { max-width: 16ch; }
.hero .lede { margin-top: clamp(1.5rem, 3vw, 2.25rem); }

.hero-meta {
  margin-top: clamp(3rem, 7vw, 5rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 5vw, 4rem);
}
.hero-meta div { min-width: 8rem; }
.hero-meta .num {
  display: block;
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.hero-meta .num-sm { font-size: 1.05rem; line-height: 1.5; }

/* ---------- Product index ---------- */

.product-list { border-top: 1px solid var(--rule); }

.product-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem 2rem;
  padding-block: clamp(1.75rem, 3.5vw, 2.5rem);
  /* Yatay boşluk hover'da değil, baştan ayrılır: eskiden padding-inline
     hover'da 0'dan 1rem'e çıkıyordu ve satır zıplıyordu. */
  padding-inline: 1rem;
  margin-inline: -1rem;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  position: relative;
  transition: background .2s ease;
}
.product-row:hover { background: var(--paper-alt); }

@media (min-width: 820px) {
  .product-row {
    grid-template-columns: 4rem minmax(0, 15rem) minmax(0, 1fr) 8rem;
    align-items: baseline;
    gap: 2rem;
  }
}

.product-row .idx { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); letter-spacing: 0.1em; }
.product-row .name { font-size: clamp(1.4rem, 2.6vw, 1.9rem); font-weight: 500; letter-spacing: -0.03em; line-height: 1.15; }
.product-row .desc { color: var(--ink-soft); font-size: 0.95rem; line-height: 1.5; }
.product-row .meta { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; }
.product-row:hover .name { color: var(--accent); }

.pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--muted);
  white-space: nowrap;
}
.pill.live { color: var(--accent); border-color: var(--accent-dim); }

/* ---------- Progress bars ---------- */

.bar-track {
  display: block;
  height: 2px;
  background: var(--rule);
  position: relative;
  overflow: hidden;
}
.bar-fill {
  display: block;
  height: 100%;
  width: var(--pct, 0%);
  background: var(--ink);
  transform-origin: left center;
  animation: bar-grow 1.15s cubic-bezier(.22,.61,.36,1) both;
}
.bar-fill.accent { background: var(--accent); }

@keyframes bar-grow {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* compact bar inside a product row */
.row-progress { display: block; min-width: 6.5rem; }
.row-progress .bar-track { margin-bottom: 0.45rem; }
.row-progress .n {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.row-progress .s {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-left: 0.4rem;
}

/* full status table */
.status-table { border-top: 1px solid var(--rule); }
.status-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.6rem 1.5rem;
  padding-block: clamp(1.25rem, 2.6vw, 1.75rem);
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 720px) {
  .status-row { grid-template-columns: 13rem 1fr 4.5rem 9rem; gap: 2rem; }
}
.status-row .s-name { font-size: 1.05rem; font-weight: 500; letter-spacing: -0.02em; }
.status-row .s-bar { grid-column: 1 / -1; }
@media (min-width: 720px) { .status-row .s-bar { grid-column: auto; } }
.status-row .s-pct {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 500;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.status-row .s-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
@media (min-width: 720px) { .status-row .s-label { text-align: right; } }

/* progress block in a product hero */
.p-progress { max-width: 22rem; }
.p-progress .top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.6rem;
}
.p-progress .lbl {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.p-progress .val {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* ---------- Steps ---------- */

.steps { display: grid; gap: 0; border-top: 1px solid var(--rule); }
.step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem 2.5rem;
  padding-block: clamp(1.5rem, 3vw, 2.1rem);
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 820px) {
  .step { grid-template-columns: 4rem 14rem 1fr; align-items: baseline; gap: 2.5rem; }
}
.step .idx { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); letter-spacing: 0.1em; }
.step .t { font-size: 1.05rem; font-weight: 500; letter-spacing: -0.02em; }
.step .d { color: var(--ink-soft); font-size: 0.95rem; line-height: 1.55; }

/* ---------- Feature grid ---------- */

.grid-3 { display: grid; gap: clamp(2rem, 4vw, 3rem); grid-template-columns: 1fr; }
@media (min-width: 720px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.feature h3 { font-size: 1.02rem; font-weight: 500; letter-spacing: -0.02em; margin-bottom: 0.5rem; }
.feature p { font-size: 0.92rem; line-height: 1.6; color: var(--ink-soft); }
.feature { border-top: 1px solid var(--rule); padding-top: 1.1rem; }

/* ---------- Spec list ---------- */

.spec { border-top: 1px solid var(--rule); }
.spec div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem 2rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 720px) { .spec div { grid-template-columns: 13rem 1fr; align-items: baseline; } }
.spec dt, .spec .k { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.spec dd, .spec .v { margin: 0; font-size: 0.95rem; color: var(--ink-soft); }

/* ---------- Tag row ---------- */

.tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.tags span {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  padding: 0.28rem 0.6rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--ink-soft);
  background: var(--paper);
}

/* ---------- Figures & gallery ---------- */

figure { margin: 0; }

.shot { margin-top: clamp(2.5rem, 6vw, 4rem); }
.shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--rule);
}
.shot figcaption,
.gallery figcaption {
  margin-top: 0.85rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.gallery {
  display: grid;
  gap: clamp(1.75rem, 3.5vw, 2.5rem);
  grid-template-columns: 1fr;
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
}
@media (min-width: 820px) { .gallery { grid-template-columns: repeat(2, 1fr); } }

.gallery a { display: block; text-decoration: none; }
.gallery img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  border-radius: 5px;
  border: 1px solid var(--rule);
  transition: opacity .2s ease, transform .2s ease;
}
.gallery a:hover img { opacity: 0.9; transform: translateY(-2px); }
.gallery a:hover figcaption { color: var(--accent); }

/* ---------- Links & buttons ---------- */

.link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  transition: color .18s ease, border-color .18s ease, gap .18s ease;
}
.link:hover { color: var(--accent); border-color: var(--accent); gap: 0.75rem; }
.link .arrow { font-family: var(--mono); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  border: 0;
  border-radius: 2px;
  font-family: inherit;
  font-size: 0.92rem;
  line-height: 1.2;
  cursor: pointer;
  transition: background .2s ease;
}
.btn:hover { background: var(--accent); }

.back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}
.back:hover { color: var(--accent); }

/* ---------- Product hero ---------- */

.p-hero { padding-block: clamp(2.5rem, 6vw, 4rem) clamp(3.5rem, 8vw, 6rem); }
.p-hero .display { max-width: 14ch; margin-top: 1.75rem; }
.p-hero .lede { margin-top: 1.5rem; }
.p-hero .actions { margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; }

.photo-cover {
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

/* ---------- Machine service cards ---------- */

.service-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
  margin-top: clamp(1.25rem, 3vw, 2rem);
}
@media (min-width: 680px) { .service-cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .service-cards { grid-template-columns: repeat(4, 1fr); } }

.service-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-height: 4.4rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--paper-alt);
  font-size: 0.95rem;
  font-weight: 500;
}

.service-icon {
  display: inline-grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  flex: 0 0 auto;
  color: var(--accent);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 4px;
}
.service-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- Modal form ---------- */

.service-modal {
  width: min(44rem, calc(100vw - 2rem));
  padding: 0;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 24px 80px rgba(20, 20, 15, 0.22);
}
.service-modal::backdrop { background: rgba(20, 20, 15, 0.42); }

.service-form { padding: clamp(1.25rem, 4vw, 2rem); }

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule);
}

.modal-close {
  display: inline-grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--paper-alt);
  color: var(--ink-soft);
  cursor: pointer;
}
.modal-close:hover { color: var(--accent); }
.modal-close svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.35rem;
}
@media (min-width: 680px) { .form-grid { grid-template-columns: repeat(2, 1fr); } }

.form-grid label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.82rem;
  color: var(--ink-soft);
}
.form-grid .full { grid-column: 1 / -1; }
.form-grid input,
.form-grid select,
.form-grid textarea {
  width: 100%;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
  line-height: 1.35;
  padding: 0.72rem 0.8rem;
}
.form-grid textarea { resize: vertical; min-height: 8rem; }
.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 2px;
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 1rem;
  margin-top: 1.4rem;
}

.link-button {
  border-top: 0;
  border-right: 0;
  border-left: 0;
  background: transparent;
  font-family: inherit;
  cursor: pointer;
}

/* ---------- Contact ---------- */

.contact-grid { display: grid; gap: clamp(2rem, 5vw, 4rem); grid-template-columns: 1fr; }
@media (min-width: 820px) { .contact-grid { grid-template-columns: 1fr 1fr; } }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: 2.75rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; justify-content: space-between; align-items: center; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--accent); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }

/* ---------- Utilities ---------- */

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}