/* ============================================================
   GOLD PARTS — style.css
   Design System: Dark navy + Modest gold (#B8922A-ish)
   Mobile-first, responsive
   ============================================================ */

/* ── 1. CSS CUSTOM PROPERTIES ─────────────────────────────── */
:root {
  /* Gold palette — matched to logo #8e7b4e */
  --gold:         hsl(42, 34%, 46%);
  --gold-light:   hsl(42, 38%, 58%);
  --gold-muted:   hsl(42, 24%, 35%);
  --gold-dark:    hsl(42, 30%, 32%);

  /* Background scale */
  --bg-deep:      hsl(222, 22%, 7%);
  --bg-base:      hsl(222, 20%, 9%);
  --bg-alt:       hsl(222, 18%, 12%);
  --bg-card:      hsl(222, 16%, 15%);
  --bg-card-hover:hsl(222, 16%, 18%);

  /* Text */
  --text-primary: hsl(40, 20%, 91%);
  --text-muted:   hsl(222, 12%, 58%);
  --text-dim:     hsl(222, 10%, 42%);

  /* UI */
  --border:       hsl(222, 16%, 20%);
  --border-light: hsl(222, 14%, 26%);
  --focus-ring:   hsl(42, 50%, 55%);

  /* Typography */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 9rem;

  /* Radius */
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;

  /* Shadows */
  --shadow-card: 0 4px 24px 0 rgba(0,0,0,0.35);
  --shadow-gold:  0 0 24px 0 hsla(42, 34%, 46%, 0.22);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 180ms;
  --dur-base: 280ms;
  --dur-slow: 500ms;

  /* Nav height */
  --nav-h: 68px;
}

/* ── 2. RESET & BASE ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
strong { font-weight: 600; }

/* Selection */
::selection { background: hsla(42, 34%, 46%, 0.35); }

/* Focus */
:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ── 3. TYPOGRAPHY ────────────────────────────────────────── */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }

.text-gold { color: var(--gold); }

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.eyebrow--light { color: var(--gold-light); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  margin-bottom: 1rem;
  color: var(--text-primary);
}
.section-title--light { color: #fff; }

.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}
.section-sub--light { color: hsla(40, 20%, 91%, 0.75); }

/* ── 4. LAYOUT ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
}
.section-alt {
  background: var(--bg-alt);
}
.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

/* ── 5. ANIMATIONS ────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse-gold {
  0%, 100% { box-shadow: 0 0 0 0 hsla(42,34%,46%,0.4); }
  50%       { box-shadow: 0 0 0 8px hsla(42,34%,46%,0); }
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(8px); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes kenBurns {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.08); }
  100% { transform: scale(1); }
}

/* Scroll reveal: handled ENTIRELY by JS inline styles.
   CSS never hides content — guarantees Googlebot sees everything.
   JS applies opacity/transform inline only for real user scroll interactions. */

/* ── 6. BUTTONS ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: var(--r-sm);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--dur-base) var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold);
  color: hsl(222, 22%, 7%);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--gold-light);
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}
.btn-ghost:hover {
  border-color: var(--gold-muted);
  color: var(--gold-light);
  transform: translateY(-2px);
}
.btn-full { width: 100%; }

/* ── 7. COOKIE BANNER ─────────────────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  background: var(--bg-card);
  border-top: 1px solid var(--gold-muted);
  padding: 1rem var(--space-md);
  transform: translateY(100%);
  transition: transform var(--dur-slow) var(--ease);
}
.cookie-banner.visible {
  transform: translateY(0);
}
.cookie-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cookie-inner p {
  flex: 1;
  min-width: 220px;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.cookie-actions { display: flex; gap: 0.75rem; flex-shrink: 0; }

.btn-cookie {
  padding: 0.55rem 1.2rem;
  border-radius: var(--r-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--dur-fast) var(--ease);
}
.btn-cookie--decline {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-cookie--decline:hover { border-color: var(--border-light); color: var(--text-primary); }
.btn-cookie--accept {
  background: var(--gold);
  color: hsl(222, 22%, 7%);
}
.btn-cookie--accept:hover { background: var(--gold-light); }

/* ── 8. NAVIGATION ────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 8000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease),
              border-bottom var(--dur-base) var(--ease);
}
.navbar.scrolled {
  background: hsla(222, 22%, 7%, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
  transition: opacity var(--dur-fast) var(--ease);
}
.logo:hover { opacity: 0.85; }

.logo-icon {
  height: 44px;
  width: auto;
  display: block;
}

.logo-wordmark {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.logo-gold { color: var(--gold); }
.logo-white { color: var(--text-primary); }

/* Nav menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.5rem 0.85rem;
  border-radius: var(--r-sm);
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.nav-link:hover { color: var(--text-primary); background: hsla(222,16%,20%,0.5); }
.nav-cta {
  background: var(--gold);
  color: hsl(222, 22%, 7%) !important;
  font-weight: 600;
  margin-left: 0.5rem;
  padding: 0.5rem 1.1rem;
}
.nav-cta:hover { background: var(--gold-light); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 5px;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--dur-base) var(--ease);
}
.hamburger span:nth-child(1) { width: 24px; }
.hamburger span:nth-child(2) { width: 18px; }
.hamburger span:nth-child(3) { width: 24px; }
.hamburger.open span:nth-child(1) { width: 22px; transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { width: 22px; transform: translateY(-7px) rotate(-45deg); }

/* ── 9. HERO ──────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url('../img/hero-bg.webp');
  background-size: cover;
  background-position: center;
  animation: kenBurns 20s ease-in-out infinite;
  /* Gradient fallback when image missing */
  background-color: hsl(222, 25%, 10%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    hsla(222, 28%, 6%, 0.88) 0%,
    hsla(222, 25%, 10%, 0.70) 50%,
    hsla(42, 34%, 10%, 0.55) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 4rem;
}
.hero-text {
  max-width: 680px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  line-height: 1.12;
  margin-bottom: 1.25rem;
  color: #fff;
}
.hero-desc {
  font-size: 1.1rem;
  color: hsla(40, 20%, 91%, 0.80);
  margin-bottom: 2rem;
  max-width: 540px;
}
.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.stat-item strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold);
}
.stat-item span {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}
.hero-scroll-btn {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 1;
}
.scroll-line {
  display: block;
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollBounce 2s ease-in-out infinite;
}

/* ── 10. ABOUT ────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.about-img-frame {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 4/3;
  background: var(--bg-card);
}
.about-img-frame.img-placeholder::before {
  content: '[ Photo ]';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  border: 2px dashed var(--border-light);
  border-radius: var(--r-md);
}
.about-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.about-badge {
  position: absolute;
  bottom: -1px;
  left: -1px;
  background: var(--gold);
  color: hsl(222, 22%, 7%);
  padding: 0.9rem 1.2rem;
  border-radius: 0 var(--r-md) 0 0;
  text-align: center;
  line-height: 1.2;
}
.about-badge span { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; display: block; }
.about-badge strong { font-size: 1.6rem; font-family: var(--font-display); }

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.about-text p strong { color: var(--text-primary); }

.credentials-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.credential-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-size: 0.85rem;
}
.cred-label { color: var(--text-dim); }
.cred-val { color: var(--text-primary); font-weight: 500; font-variant-numeric: tabular-nums; }

/* ── 11. SERVICES GRID ────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.75rem;
  transition: border-color var(--dur-base) var(--ease),
              transform var(--dur-base) var(--ease),
              box-shadow var(--dur-base) var(--ease);
}
.service-card:hover {
  border-color: var(--gold-muted);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), var(--shadow-gold);
}
.svc-icon {
  color: var(--gold);
  margin-bottom: 1rem;
  width: 48px;
  height: 48px;
  background: hsla(42, 34%, 46%, 0.12);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-card h3 {
  font-size: 1.02rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ── 12. WHY ISTANBUL ─────────────────────────────────────── */
.why-istanbul {
  position: relative;
  overflow: hidden;
}
.why-bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/trade-2.webp');
  background-size: cover;
  background-position: center;
  background-color: hsl(222, 25%, 12%);
  filter: brightness(0.55);
}
.why-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    hsla(222, 25%, 8%, 0.45) 0%,
    hsla(222, 25%, 6%, 0.65) 100%
  );
}
.why-content {
  position: relative;
  z-index: 1;
}
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.reason-card {
  background: hsla(222, 22%, 8%, 0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid hsla(42, 34%, 30%, 0.25);
  border-radius: var(--r-md);
  padding: 2rem;
  transition: border-color var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
}
.reason-card:hover {
  border-color: hsla(42, 38%, 46%, 0.4);
  transform: translateY(-3px);
}
.reason-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  opacity: 0.35;
  line-height: 1;
  margin-bottom: 0.75rem;
}
.reason-card h3 {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 0.6rem;
}
.reason-card p {
  font-size: 0.9rem;
  color: hsla(40, 20%, 91%, 0.65);
  line-height: 1.7;
}

/* ── 13. HOW IT WORKS ─────────────────────────────────────── */
.steps-track {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 700px;
  margin: 0 auto;
}
.step {
  display: flex;
  gap: 1.75rem;
  align-items: flex-start;
}
.step-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  opacity: 0.6;
  flex-shrink: 0;
  width: 52px;
  text-align: right;
  line-height: 1.4;
}
.step-body {
  padding: 0.25rem 0 1.5rem;
  border-left: 2px solid var(--border);
  padding-left: 1.75rem;
  flex: 1;
}
.step:last-child .step-body { border-left-color: transparent; }
.step-body h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.step-body p { font-size: 0.95rem; color: var(--text-muted); }

.step-connector { display: none; }

/* ── 14. FAQ ──────────────────────────────────────────────── */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color var(--dur-base) var(--ease);
}
.faq-item:hover { border-color: var(--border-light); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 1.4rem;
  text-align: left;
  font-size: 0.97rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: color var(--dur-fast) var(--ease);
}
.faq-q:hover { color: var(--gold-light); }
.faq-q[aria-expanded="true"] { color: var(--gold); }
.faq-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-dim);
  transition: all var(--dur-base) var(--ease);
}
.faq-icon::before { content: '+'; }
.faq-q[aria-expanded="true"] .faq-icon {
  background: var(--gold);
  border-color: var(--gold);
  color: hsl(222, 22%, 7%);
  transform: rotate(45deg);
}
.faq-ans {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--dur-slow) var(--ease), padding var(--dur-slow) var(--ease);
}
.faq-ans:not([hidden]) {
  max-height: 500px;
}
.faq-ans[hidden] { display: block !important; max-height: 0; }
.faq-ans p {
  padding: 0 1.4rem 1.3rem;
  font-size: 0.93rem;
  color: var(--text-muted);
  line-height: 1.72;
}
.faq-ans a { color: var(--gold); border-bottom: 1px solid hsla(42,34%,46%,0.3); }

/* ── 15. CONTACT ──────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-xl);
  align-items: stretch;
}

/* Form column — flex so image frame fills remaining height */
.contact-form-col {
  display: flex;
  flex-direction: column;
}

/* Info column — flex so legal card aligns to bottom */
.contact-info-col {
  display: flex;
  flex-direction: column;
}
.contact-info-col .legal-card {
  margin-top: auto;
  margin-bottom: 0;
}

/* Image frame below form — fills remaining space */
.contact-img-frame {
  flex: 1;
  min-height: 120px;
  margin-top: 1.25rem;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
}
.contact-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}
.req { color: var(--gold); }
.opt { color: var(--text-dim); font-weight: 400; }

.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: var(--font-body);
  color: var(--text-primary);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold-muted);
  box-shadow: 0 0 0 3px hsla(42, 34%, 46%, 0.12);
}
.form-group input.error,
.form-group textarea.error {
  border-color: hsl(0, 65%, 55%);
  box-shadow: 0 0 0 3px hsla(0, 65%, 55%, 0.12);
}
.form-group textarea { resize: vertical; min-height: 128px; }

/* Checkbox */
.form-consent { padding-top: 0.25rem; }
.checkbox-wrap {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  cursor: pointer;
}
.checkbox-wrap input[type="checkbox"] {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--gold);
  cursor: pointer;
}
.checkbox-wrap span {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Feedback */
.form-feedback {
  font-size: 0.9rem;
  border-radius: var(--r-sm);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: all var(--dur-base) var(--ease);
}
.form-feedback.success {
  background: hsla(142, 60%, 40%, 0.15);
  border: 1px solid hsla(142, 60%, 40%, 0.35);
  color: hsl(142, 70%, 65%);
  padding: 0.85rem 1rem;
  max-height: 200px;
}
.form-feedback.error-msg {
  background: hsla(0, 65%, 50%, 0.12);
  border: 1px solid hsla(0, 65%, 50%, 0.3);
  color: hsl(0, 70%, 70%);
  padding: 0.85rem 1rem;
  max-height: 200px;
}

/* Submit button states */
#submit-btn { position: relative; gap: 0.6rem; }
.btn-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid hsla(222,22%,7%,0.3);
  border-top-color: hsl(222,22%,7%);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
#submit-btn.loading .btn-label { opacity: 0.5; }
#submit-btn.loading .btn-spinner { display: block; }

/* Contact Info Cards */
.contact-card,
.legal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.6rem;
  margin-bottom: 1.1rem;
}
.contact-card h3,
.legal-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}
.contact-items { display: flex; flex-direction: column; gap: 0.2rem; }
.ci-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.85rem;
  border-radius: var(--r-sm);
  transition: background var(--dur-fast) var(--ease);
}
.ci-item:hover { background: var(--bg-alt); }
.ci-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  background: hsla(42, 34%, 46%, 0.10);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  margin-top: 2px;
}
.ci-label { font-size: 0.75rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.1em; display: block; margin-bottom: 0.15rem; }
.ci-val { font-size: 0.9rem; color: var(--text-primary); font-weight: 500; display: block; line-height: 1.5; }
.ci-map-link { font-size: 0.78rem; color: var(--gold); margin-top: 0.2rem; display: block; }
.ci-map-link:hover { color: var(--gold-light); }

.legal-dl { font-size: 0.85rem; }
.legal-row { display: flex; justify-content: space-between; gap: 1rem; padding: 0.5rem 0; border-bottom: 1px solid var(--border); align-items: baseline; }
.legal-row:last-child { border-bottom: none; }
.legal-row dt { color: var(--text-dim); font-weight: 400; flex-shrink: 0; }
.legal-row dd { color: var(--text-primary); font-weight: 500; text-align: right; word-break: break-word; }

/* ── 16. FOOTER ───────────────────────────────────────────── */
.footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: var(--space-xl) 0 var(--space-lg);
  position: relative;
}
.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}
.footer-brand .logo { margin-bottom: 0.75rem; }
.footer-tagline { font-size: 0.85rem; color: var(--text-dim); }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
}
.footer-nav a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--dur-fast) var(--ease);
}
.footer-nav a:hover { color: var(--gold); }
.footer-divider {
  height: 1px;
  background: var(--border);
  margin-bottom: var(--space-lg);
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
}
.footer-copy { font-size: 0.82rem; color: var(--text-dim); }
.footer-addr { font-size: 0.82rem; color: var(--text-dim); }
.footer-addr a { color: var(--text-muted); border-bottom: 1px solid var(--border); }
.footer-addr a:hover { color: var(--gold); }

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gold);
  color: hsl(222, 22%, 7%);
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px hsla(42, 34%, 46%, 0.35);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: all var(--dur-base) var(--ease);
  z-index: 7000;
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-to-top:hover { background: var(--gold-light); transform: translateY(-3px); }

/* ── 17. HONEYPOT ─────────────────────────────────────────── */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

/* ── 18. RESPONSIVE ───────────────────────────────────────── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { gap: var(--space-lg); }

  /* Nav */
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: hsla(222, 22%, 7%, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease);
    z-index: 7500;
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-link { padding: 0.85rem 1rem; font-size: 1rem; }
  .nav-cta { text-align: center; margin-left: 0; margin-top: 0.5rem; }

  /* Company Registration — stack label above value */
  .legal-row { flex-direction: column; gap: 0.15rem; }
  .legal-row dd { text-align: left; }
}

@media (max-width: 768px) {
  .hero-title { font-size: clamp(1.9rem, 8vw, 2.8rem); }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { text-align: center; }
  .hero-stats { gap: 1rem; }
  .stat-divider { display: none; }

  /* About */
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { order: -1; }
  .about-img-frame { aspect-ratio: 16/9; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }

  /* Why Istanbul */
  .reasons-grid { grid-template-columns: 1fr; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-img-frame { display: none; }

  /* Footer */
  .footer-top { flex-direction: column; }
  .footer-bottom { flex-direction: column; gap: 0.25rem; }

  /* Cookie banner */
  .cookie-inner { flex-direction: column; gap: 0.75rem; }
  .cookie-inner p { min-width: unset; }

  /* Scroll btn */
  .hero-scroll-btn { display: none; }
}

@media (max-width: 480px) {
  .section { padding: var(--space-xl) 0; }
  .step { gap: 1rem; }
  .step-num { font-size: 1.5rem; width: 36px; }
  .step-body { padding-left: 1.25rem; }
  .credentials-grid { gap: 0.75rem; }
  .credential-item { flex-direction: column; gap: 0.1rem; }
}