/*
 * style.css — BendCraft Pro web araçları, paylaşımlı temel stil.
 * Framework yok (Tailwind/Bootstrap vb.) — sayfa hızı ve bakım basitliği
 * için bilinçli tercih (bkz. brief: backend-free, statik site stratejisi).
 *
 * MARKA RENGİ NOTU: Bu renkler rastgele seçilmedi — uygulamanın gerçek
 * yasal/destek sayfalarından (Docs/Legal/index.html, zaten canlı) BİREBİR
 * alındı: --color-accent: #B5622D ("uygulamanın bakır aksan rengi", o
 * dosyanın kendi yorumu). Yeni bir sayfa eklerken rastgele bir marka rengi
 * icat etmek yerine her zaman o dosyayı kaynak al.
 */

:root {
  --color-bg: #fafaf9;
  --color-field-bg: #f1eee9;
  --color-surface: #ffffff;
  --color-text: #1c1c1e;
  --color-text-secondary: #6b6b70;
  --color-border: #e5e3e0;
  --color-accent: #b5622d;
  --color-accent-hover: #9c5326;
  --color-success-bg: #eafaf0;
  --color-success-text: #1a7f4e;
  --color-danger-bg: #fdecec;
  --color-danger-text: #c0392b;
  --color-callout-bg: #fbf0e9;
  --color-callout-border: #ebd3be;
  --color-callout-text: #6b3e1e;

  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;

  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);

  --font-system:
    -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-system);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

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

.site-header {
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.2px;
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  flex-shrink: 0;
  display: inline-block;
  object-fit: cover;
}

.lang-toggle {
  display: flex;
  gap: 4px;
  background: var(--color-field-bg);
  padding: 3px;
  border-radius: 999px;
}

.lang-toggle button {
  border: none;
  background: transparent;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text-secondary);
  font-family: inherit;
}

.lang-toggle button.active {
  background: var(--color-accent);
  color: #fff;
}

.header-cta {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  white-space: nowrap;
}

.header-cta:hover {
  color: var(--color-accent-hover);
}

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

main {
  padding: 40px 0 64px;
}

.hero h1 {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.hero .lede {
  font-size: 18px;
  color: var(--color-text-secondary);
  margin: 0 0 8px;
  max-width: 60ch;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

/* ---------- Calculator card ---------- */

.calc-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 24px;
  margin: 32px 0;
}

.unit-toggle {
  display: inline-flex;
  background: var(--color-field-bg);
  border-radius: var(--radius-sm);
  padding: 3px;
  margin-bottom: 20px;
}

.unit-toggle button {
  border: none;
  background: transparent;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
}

.unit-toggle button[aria-pressed="true"] {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.field {
  margin-bottom: 20px;
}

.field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.field .hint {
  font-size: 13px;
  color: var(--color-text-secondary);
  font-weight: 400;
  margin-left: 6px;
}

.field input[type="number"] {
  width: 100%;
  font-size: 17px;
  font-family: inherit;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-field-bg);
  color: var(--color-text);
}

.field input[type="number"]:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  background: var(--color-surface);
}

.field select {
  width: 100%;
  font-size: 17px;
  font-family: inherit;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-field-bg);
  color: var(--color-text);
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%236b6b70'><path d='M5.5 7.5l4.5 5 4.5-5z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 18px;
}

.field select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  background-color: var(--color-surface);
}

.segmented {
  display: inline-flex;
  background: var(--color-field-bg);
  border-radius: var(--radius-sm);
  padding: 3px;
  width: 100%;
}

.segmented button {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
}

.segmented button[aria-pressed="true"] {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

.badge.pass {
  background: var(--color-success-bg);
  color: var(--color-success-text);
}

.badge.fail {
  background: var(--color-danger-bg);
  color: var(--color-danger-text);
}

.cable-group-row {
  display: grid;
  grid-template-columns: 1fr 90px 40px;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}

.cable-group-row select,
.cable-group-row input {
  width: 100%;
  font-size: 15px;
  font-family: inherit;
  padding: 10px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-field-bg);
  color: var(--color-text);
}

.btn-remove-row {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  background: var(--color-field-bg);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
}

.btn-add-row {
  margin-top: 4px;
  border: 1px dashed var(--color-border);
  background: transparent;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 14px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  width: 100%;
}

.disclaimer-note {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.callout {
  background: var(--color-callout-bg);
  border: 1px solid var(--color-callout-border);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 13.5px;
  color: var(--color-callout-text);
  margin: 16px 0 24px;
}

.angle-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.angle-presets button {
  min-width: 56px;
  min-height: 44px;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  border: 1px solid var(--color-border);
  background: var(--color-field-bg);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.angle-presets button[aria-pressed="true"] {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.error-banner {
  display: none;
  background: var(--color-danger-bg);
  color: var(--color-danger-text);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 20px;
}

.error-banner.visible {
  display: block;
}

/* ---------- Results ---------- */

.results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 480px) {
  .results {
    grid-template-columns: 1fr;
  }
}

.result-tile {
  background: var(--color-field-bg);
  border-radius: var(--radius-md);
  padding: 16px;
}

.result-tile .label {
  font-size: 13px;
  color: var(--color-text-secondary);
  font-weight: 600;
  margin-bottom: 4px;
}

.result-tile .value-fraction {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.result-tile .value-decimal {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.result-tile.accent {
  background: var(--color-success-bg);
}

.result-tile.accent .value-fraction {
  color: var(--color-success-text);
}

/* ---------- Content sections ---------- */

section.content-block {
  margin: 48px 0;
}

section.content-block h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

section.content-block p {
  color: var(--color-text-secondary);
  margin: 0 0 14px;
  max-width: 68ch;
}

.diagram-figure {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-card);
  text-align: center;
  margin: 20px 0;
}

.diagram-figure svg {
  max-width: 100%;
  height: auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 8px;
}

.faq-item p {
  margin: 0;
  font-size: 15px;
}

.app-promo {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 28px 24px;
  text-align: center;
}

.app-promo h2 {
  margin: 0 0 8px;
}

.app-promo .badge-row {
  margin-top: 16px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border-radius: 999px;
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  background: var(--color-field-bg);
  color: var(--color-text);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid var(--color-border);
}

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

/* ---------- Landing page: hero image, feature split, pricing ---------- */

.hero-cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 20px 0 8px;
}

.hero-image {
  margin: 32px 0;
  text-align: center;
}

.hero-image img {
  max-width: 280px;
  width: 100%;
  height: auto;
  border-radius: 24px;
  box-shadow: var(--shadow-card);
}

.feature-split {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 28px;
  align-items: center;
  margin: 48px 0;
}

.feature-split.reverse {
  grid-template-columns: 220px 1fr;
}

.feature-split.reverse .feature-split-image {
  order: -1;
}

.feature-split-image img {
  width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: var(--shadow-card);
}

@media (max-width: 620px) {
  .feature-split,
  .feature-split.reverse {
    grid-template-columns: 1fr;
  }
  .feature-split-image {
    order: -1;
    max-width: 200px;
    margin: 0 auto;
  }
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  color: var(--color-text-secondary);
  font-size: 15px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.bend-type-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 16px 0;
}

@media (max-width: 480px) {
  .bend-type-grid {
    grid-template-columns: 1fr;
  }
}

.bend-type-grid .chip {
  background: var(--color-field-bg);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
}

.pricing-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 32px 28px;
  text-align: center;
  margin: 40px 0;
}

.pricing-card .price {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 8px 0;
}

.pricing-card .price-note {
  color: var(--color-text-secondary);
  font-size: 14px;
  margin-bottom: 20px;
}

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

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 24px 0 40px;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 13px;
}

.site-footer a {
  color: var(--color-text-secondary);
}

.related-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin: 12px 0;
}

.related-tools a {
  font-size: 13px;
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-secondary);
  text-decoration: none;
}

/* ---------- İki dilli sayfalar (data-lang) ---------- */
/* Docs/Legal/index.html'deki (canlı) aynı desen — tutarlılık için. */

[data-lang="es"] {
  display: none;
}

body.lang-es [data-lang="en"] {
  display: none;
}

body.lang-es [data-lang="es"] {
  display: block;
}

body.lang-es [data-lang="es"].inline-lang {
  display: inline;
}

/* .related-tools kendi display:flex'ini korumalı — genel data-lang kuralı
   (display:block) burada aksi halde footer linklerini alt alta yığardı. */
body.lang-es [data-lang="es"].related-tools {
  display: flex;
}