/* ===========================================================
   Evinizin Boyacısı — Tasarım Sistemi
   =========================================================== */

:root {
  /* Renkler — mevcut marka renkleri korunarak (kırmızı vurgu, açık mavi, yeşil çağrı) modernize edildi */
  --color-primary: #1b2430;       /* koyu lacivert-antrasit — başlıklar, header/footer */
  --color-primary-light: #2c3a4d;
  --color-accent: #d1132a;        /* mevcut marka kırmızısı */
  --color-accent-dark: #a30f21;
  --color-secondary: #2f9bc4;     /* mevcut açık mavi tonunun koyulaştırılmış, erişilebilir hali */
  --color-call: #128c00;          /* "hemen ara" yeşili */
  --color-bg: #f7f7f7;
  --color-surface: #ffffff;
  --color-text: #202428;
  --color-text-muted: rgba(32, 36, 40, 0.68);
  --color-border: #e4e4e4;
  --color-focus: #2f9bc4;

  /* Tipografi */
  --font-heading: "Poppins", "Segoe UI", sans-serif;
  --font-body: "Open Sans", "Segoe UI", sans-serif;

  --fs-h1: clamp(2rem, 1.4rem + 2.5vw, 3rem);
  --fs-h2: clamp(1.5rem, 1.2rem + 1.4vw, 2.25rem);
  --fs-h3: clamp(1.15rem, 1.05rem + 0.5vw, 1.5rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --lh-heading: 1.2;
  --lh-body: 1.65;

  /* Boşluk ölçeği */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  /* Yerleşim */
  --container-width: 1200px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(20, 24, 28, 0.08);
  --shadow-md: 0 8px 24px rgba(20, 24, 28, 0.12);
  --transition: 180ms ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #14181c;
    --color-surface: #1c2126;
    --color-text: #ecedee;
    --color-text-muted: rgba(236, 237, 238, 0.7);
    --color-border: #2a2f35;
    --color-primary: #0d1116;
  }
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background: var(--color-bg);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: var(--lh-heading);
  color: var(--color-primary);
  margin: 0 0 var(--space-4);
}
h1 { font-size: var(--fs-h1); font-weight: 700; }
h2 { font-size: var(--fs-h2); font-weight: 600; }
h3 { font-size: var(--fs-h3); font-weight: 600; }
p { margin: 0 0 var(--space-4); color: var(--color-text-muted); }
ul { padding-left: 1.2em; color: var(--color-text-muted); }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.section { padding-block: var(--space-8); }
.section--tight { padding-block: var(--space-6); }
.section--dark { background: var(--color-primary); color: #fff; }
.section--dark h2, .section--dark h3 { color: #fff; }
.section--dark p { color: rgba(255,255,255,0.75); }
.section--surface { background: var(--color-surface); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 0; top: -48px; background: var(--color-accent); color: #fff;
  padding: var(--space-3) var(--space-4); z-index: 1000; transition: top var(--transition);
}
.skip-link:focus { top: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-heading); font-weight: 600; font-size: var(--fs-body);
  padding: var(--space-3) var(--space-6); border-radius: var(--radius-sm);
  border: 2px solid transparent; cursor: pointer; transition: background var(--transition), color var(--transition), transform var(--transition);
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-dark); }
.btn-secondary { background: transparent; border-color: #fff; color: #fff; }
.btn-secondary:hover { background: rgba(255,255,255,0.12); }
.btn-outline { background: transparent; border-color: var(--color-accent); color: var(--color-accent); }
.btn-outline:hover { background: var(--color-accent); color: #fff; }
.btn-call {
  background: var(--color-call); color: #fff; border-radius: 999px;
  padding: var(--space-3) var(--space-5);
}
.btn-call:hover { background: #0e7300; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; transform: none; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: var(--space-3);
}
.site-header__logo img { height: 48px; width: auto; }
.site-nav { display: flex; align-items: center; gap: var(--space-6); }
.site-nav__list { list-style: none; display: flex; gap: var(--space-5); margin: 0; padding: 0; }
.site-nav__list a {
  color: var(--color-text); font-family: var(--font-heading); font-weight: 500; font-size: var(--fs-small);
  text-transform: uppercase; letter-spacing: 0.03em;
}
.site-nav__list a:hover, .site-nav__list a[aria-current="page"] { color: var(--color-accent); text-decoration: none; }
.site-header__cta { display: flex; align-items: center; gap: var(--space-4); }
.menu-toggle {
  display: none; background: none; border: 2px solid var(--color-border); border-radius: var(--radius-sm);
  width: 44px; height: 44px; align-items: center; justify-content: center; cursor: pointer;
}
.menu-toggle span, .menu-toggle::before, .menu-toggle::after { content: ""; display: block; width: 22px; height: 2px; background: var(--color-primary); }
.menu-toggle span { margin: 5px 0; }

@media (max-width: 900px) {
  .site-nav__list { position: fixed; inset: 0 0 0 30%; background: var(--color-primary); flex-direction: column;
    justify-content: center; align-items: flex-start; padding: var(--space-8) var(--space-6);
    transform: translateX(100%); transition: transform var(--transition); }
  .site-nav__list a { color: #fff; font-size: 1.1rem; }
  .site-nav[data-open="true"] .site-nav__list { transform: translateX(0); }
  .menu-toggle { display: flex; flex-direction: column; }
  .site-header__cta .btn-primary-label { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, rgba(27,36,48,0.85), rgba(27,36,48,0.7)), var(--hero-image, none);
  background-size: cover; background-position: center;
  color: #fff; text-align: center; padding-block: var(--space-9);
}
.hero h1 { color: #fff; }
.hero p { color: rgba(255,255,255,0.85); font-size: 1.15rem; max-width: 640px; margin-inline: auto; }
.hero__actions { display: flex; gap: var(--space-4); justify-content: center; margin-top: var(--space-6); flex-wrap: wrap; }

.page-hero {
  background: var(--color-primary); color: #fff; padding-block: var(--space-7);
}
.page-hero h1 { color: #fff; margin-bottom: var(--space-2); }
.breadcrumb { font-size: var(--fs-small); color: rgba(255,255,255,0.7); }
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb ol { list-style: none; display: flex; gap: var(--space-2); padding: 0; margin: 0; }
.breadcrumb li + li::before { content: "/"; margin-right: var(--space-2); color: rgba(255,255,255,0.5); }

/* ---------- Cards / grid ---------- */
.grid { display: grid; gap: var(--space-6); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

.card {
  background: var(--color-surface); border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
  padding: var(--space-6); border: 1px solid var(--color-border);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card__icon { width: 56px; height: 56px; margin-bottom: var(--space-4); }
.card h3 { margin-bottom: var(--space-2); }

.gallery img { border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }

/* ---------- Forms ---------- */
.form-field { margin-bottom: var(--space-5); }
.form-field label { display: block; font-weight: 600; margin-bottom: var(--space-2); font-family: var(--font-heading); font-size: var(--fs-small); }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: var(--space-3) var(--space-4); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); font-family: var(--font-body); font-size: var(--fs-body);
  background: var(--color-surface); color: var(--color-text);
}
.form-field textarea { min-height: 140px; resize: vertical; }
.form-field.has-error input, .form-field.has-error textarea, .form-field.has-error select { border-color: var(--color-accent); }
.form-field__error { color: var(--color-accent); font-size: var(--fs-small); margin-top: var(--space-1); display: none; }
.form-field.has-error .form-field__error { display: block; }
.form-consent { display: flex; align-items: flex-start; gap: var(--space-3); font-size: var(--fs-small); color: var(--color-text-muted); }
.form-consent input { width: auto; margin-top: 3px; }
.form-status { padding: var(--space-4); border-radius: var(--radius-sm); margin-bottom: var(--space-5); display: none; }
.form-status.is-success { display: block; background: rgba(18,140,0,0.1); color: #0e7300; border: 1px solid rgba(18,140,0,0.3); }
.form-status.is-error { display: block; background: rgba(209,19,42,0.08); color: var(--color-accent-dark); border: 1px solid rgba(209,19,42,0.3); }
.honeypot-field { position: absolute; left: -9999px; top: -9999px; }

/* ---------- FAQ (accordion) ---------- */
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item summary {
  font-family: var(--font-heading); font-weight: 600; cursor: pointer; padding: var(--space-4) 0;
  list-style: none; position: relative; padding-right: var(--space-6);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; top: var(--space-4); font-size: 1.3rem; color: var(--color-accent); }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { padding-bottom: var(--space-4); }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-primary); color: rgba(255,255,255,0.8); padding-block: var(--space-8) var(--space-5); }
.site-footer a { color: rgba(255,255,255,0.85); }
.site-footer h4 { color: #fff; font-size: var(--fs-body); margin-bottom: var(--space-4); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-6); }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2); }
.footer-bottom {
  margin-top: var(--space-7); padding-top: var(--space-5); border-top: 1px solid rgba(255,255,255,0.12);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3); font-size: var(--fs-small);
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.eyebrow {
  display: inline-block; font-family: var(--font-heading); font-weight: 600; font-size: var(--fs-small);
  color: var(--color-accent); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-3);
}
.sticky-actions {
  position: fixed; bottom: var(--space-5); right: var(--space-5); z-index: 200;
  display: flex; flex-direction: column; gap: var(--space-3);
}
.sticky-btn {
  display: flex; align-items: center; justify-content: center; width: 60px; height: 60px;
  border-radius: 50%; color: #fff; box-shadow: var(--shadow-md); font-size: 1.5rem; text-decoration: none;
}
.sticky-btn:hover { text-decoration: none; filter: brightness(1.08); }
.sticky-btn--call { background: var(--color-call); }
.sticky-btn--whatsapp { background: #25d366; }
@media (max-width: 600px) {
  .sticky-actions { bottom: var(--space-4); right: var(--space-4); gap: var(--space-2); }
  .sticky-btn { width: 52px; height: 52px; }
}

/* ---------- Footer eklentileri ---------- */
.footer-google-btn {
  display: inline-flex; align-items: center; gap: var(--space-2); margin-top: var(--space-4);
  padding: var(--space-2) var(--space-4); border: 1px solid rgba(255,255,255,0.25); border-radius: var(--radius-sm);
  color: #fff; font-size: var(--fs-small); font-weight: 600;
}
.footer-google-btn span { color: #4285F4; background: #fff; border-radius: 50%; width: 18px; height: 18px; display: inline-flex; align-items: center; justify-content: center; font-size: 12px; }
.footer-areas { padding-top: var(--space-6); margin-top: var(--space-6); border-top: 1px solid rgba(255,255,255,0.12); }
.footer-areas__list { font-size: var(--fs-small); line-height: 2; color: rgba(255,255,255,0.65); }
.footer-areas__list a { color: rgba(255,255,255,0.75); }

/* ---------- Homepage galeri ---------- */
.photo-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.photo-gallery img { width: 100%; height: 220px; object-fit: cover; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
@media (max-width: 900px) { .photo-gallery { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .photo-gallery { grid-template-columns: 1fr; } .photo-gallery img { height: 200px; } }

.blog-preview-card { display: flex; flex-direction: column; height: 100%; }
.blog-preview-card img { width: 100%; height: 160px; object-fit: cover; border-radius: var(--radius-md); margin-bottom: var(--space-4); }
.blog-preview-card .btn-outline { margin-top: auto; align-self: flex-start; }