:root {
  --color-navy: #102B3F;
  --color-navy-light: #1B3E57;
  --color-terracotta: #C75A3A;
  --color-bg: #FAF8F3;
  --color-bg-alt: #F0EBE2;
  --color-text: #1E2A32;
  --color-text-muted: #5B6670;

  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-accent: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.65;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-navy);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.08;
  margin: 0 0 0.5rem;
}

em, .accent {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 500;
  color: var(--color-terracotta);
}

a { color: var(--color-navy); text-decoration: none; }
a:hover { color: var(--color-terracotta); }

.container-page { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------- Navbar ---------- */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-bg-alt);
  padding: 18px 0;
  position: sticky;
  top: 0;
  z-index: 60;
  transition: box-shadow 0.2s ease;
}
.site-header.is-scrolled { box-shadow: 0 4px 16px rgba(16,43,63,0.08); }
.site-header .container-page { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  border: 1.5px solid var(--color-terracotta);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-accent); font-style: italic; color: var(--color-terracotta);
  font-size: 15px;
}
.brand-text .name { font-family: var(--font-display); font-weight: 800; font-size: 15px; color: var(--color-navy); letter-spacing: 0.02em; }
.brand-text .title { font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-text-muted); }

.main-nav { display: flex; align-items: center; gap: 34px; margin-left: auto; }
.main-nav a {
  font-size: 13.5px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--color-text); font-weight: 600; white-space: nowrap;
}
.btn-contact {
  background: var(--color-terracotta); color: #fff !important; padding: 11px 22px;
  border-radius: 3px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 700;
}
.btn-contact:hover { background: #A8492E; color: #fff !important; }

.nav-toggle {
  display: none; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--color-bg-alt); border-radius: 4px;
  padding: 0; cursor: pointer; flex-direction: column; gap: 5px;
  width: 42px; height: 38px; flex-shrink: 0; z-index: 61;
}
.nav-toggle span { display: block; height: 2px; width: 20px; background: var(--color-navy); border-radius: 2px; transition: transform 0.2s ease, opacity 0.2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-backdrop {
  display: none; position: fixed; inset: 0; background: rgba(16,43,63,0.35); z-index: 50;
}
.nav-backdrop.is-open { display: block; }

/* ---------- Hero ---------- */
.hero { padding: 90px 0 70px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero-kicker { font-size: 13px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-text-muted); margin-bottom: 18px; }
.hero-title { font-size: 3.4rem; margin-bottom: 22px; }
.hero-desc { font-size: 1.15rem; color: var(--color-text-muted); max-width: 46ch; margin-bottom: 30px; }
.hero-actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.hero-actions .btn-primary-cta {
  background: var(--color-terracotta); color: #fff; padding: 14px 26px; border-radius: 3px;
  font-weight: 700; font-size: 14px; text-transform: uppercase; letter-spacing: 0.05em;
}
.hero-actions .btn-secondary-cta { font-size: 14px; font-weight: 600; border-bottom: 1px solid var(--color-navy); padding-bottom: 2px; }

.hero-graphic { position: relative; display: flex; align-items: center; justify-content: center; }
.hero-badge {
  position: absolute; width: 130px; height: 130px; border-radius: 50%;
  background: var(--color-navy); color: #fff; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center; z-index: 2;
}
.hero-badge .num { font-family: var(--font-accent); font-style: italic; font-size: 2.1rem; color: var(--color-terracotta); line-height: 1; }
.hero-badge .label { font-size: 9px; text-transform: uppercase; letter-spacing: 0.1em; margin-top: 4px; }

/* ---------- Trust strip ---------- */
.trust-strip { background: var(--color-navy); color: #fff; padding: 22px 0; }
.trust-strip .container-page { display: flex; flex-wrap: wrap; gap: 40px; align-items: center; }
.trust-item .value { font-family: var(--font-accent); font-style: italic; font-size: 1.5rem; color: #E8875F; margin-right: 8px; }
.trust-item .label { font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.85; }

/* ---------- Sections ---------- */
.section { padding: 80px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-dark { background: var(--color-navy); color: #EDEFF1; padding: 80px 0 90px; }
.section-dark h2, .section-dark h3 { color: #fff; }
.eyebrow { font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-terracotta); font-weight: 700; margin-bottom: 14px; }
.section-title { font-size: 2.2rem; max-width: 20ch; }

.pillars-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 48px; border-top: 1px solid rgba(255,255,255,0.15); border-bottom: 1px solid rgba(255,255,255,0.15); }
.pillar-card { padding: 34px 30px 42px; border-right: 1px solid rgba(255,255,255,0.15); }
.pillar-card:last-child { border-right: none; }
.pillar-num { font-family: var(--font-accent); font-style: italic; color: var(--color-terracotta); font-size: 1.1rem; margin-bottom: 18px; display: block; }
.pillar-card h3 { color: #fff; font-size: 1.25rem; margin-bottom: 10px; }
.pillar-card p { color: #C7CDD3; font-size: 0.95rem; margin: 0; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 40px; }
.article-card { background: #fff; border: 1px solid var(--color-bg-alt); padding: 26px; border-radius: 4px; }
.article-card .cat { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-terracotta); font-weight: 700; }
.article-card h3 { font-size: 1.05rem; margin: 10px 0; }
.article-card p { color: var(--color-text-muted); font-size: 0.92rem; }

footer.site-footer { background: var(--color-navy); color: #B7BEC5; padding: 64px 0 0; font-size: 14px; }
footer.site-footer a { color: #D8DDE2; }
footer.site-footer a:hover { color: #E8875F; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 44px; }
.footer-brand .name { font-family: var(--font-display); font-weight: 800; color: #fff; font-size: 18px; }
.footer-brand .unvan { font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-terracotta); margin-top: 6px; font-weight: 700; }
.footer-brand .tagline { color: #9AA4AC; margin-top: 14px; max-width: 34ch; line-height: 1.6; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
  width: 34px; height: 34px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.25);
  display: flex; align-items: center; justify-content: center; font-size: 13px;
}
.footer-social a:hover { border-color: var(--color-terracotta); background: rgba(199,90,58,0.15); }
.footer-col h4 { color: #fff; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col .muted { color: #8B959C; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding: 18px 0; font-size: 12.5px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; color: #8B959C;
}
.footer-bottom a { color: #B7BEC5; font-weight: 600; }

/* ---------- Form controls ---------- */
.form-label { font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); font-weight: 600; margin-bottom: 6px; }
.form-control, .form-select {
  border: 1px solid var(--color-bg-alt); border-radius: 3px; padding: 11px 14px;
  font-family: var(--font-body); font-size: 15px; background: #fff;
}
.form-control:focus, .form-select:focus {
  border-color: var(--color-terracotta); box-shadow: 0 0 0 3px rgba(199,90,58,0.12); outline: none;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-graphic { order: -1; }
  .pillars-grid, .card-grid { grid-template-columns: 1fr; }
  .pillar-card { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.15); }
  .hero-title { font-size: 2.3rem; }
  .section { padding: 56px 0; }
  .section-title { font-size: 1.7rem; }

  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; top: 0; right: 0; height: 100vh; width: min(78vw, 320px);
    background: var(--color-bg); flex-direction: column; align-items: flex-start;
    padding: 90px 28px 28px; gap: 22px; transform: translateX(100%);
    transition: transform 0.25s ease; box-shadow: -8px 0 24px rgba(0,0,0,0.08); z-index: 55;
    margin-left: 0;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav .btn-contact { margin-top: 6px; }
}

@media (max-width: 600px) {
  html, body { font-size: 16px; }
  .hero { padding: 56px 0 40px; }
  .hero-title { font-size: 1.9rem; }
  .hero-desc { font-size: 1rem; }
  .trust-strip .container-page { gap: 22px; }
  .trust-item .value { font-size: 1.2rem; }
  .container-page { padding: 0 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* ---------- Yüzen butonlar: WhatsApp + Yukarı Çık ---------- */
.floating-actions {
  position: fixed; right: 24px; bottom: 24px; z-index: 45;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.fab-whatsapp {
  width: 54px; height: 54px; border-radius: 50%;
  background: var(--color-terracotta); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(199,90,58,0.35);
  transition: transform 0.15s ease, background 0.15s ease;
}
.fab-whatsapp:hover { background: #A8492E; color: #fff; transform: scale(1.06); }
.fab-whatsapp svg { width: 26px; height: 26px; }

.fab-top {
  width: 42px; height: 42px; border-radius: 50%;
  background: #fff; border: 1.5px solid var(--color-navy); color: var(--color-navy);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  box-shadow: 0 4px 14px rgba(16,43,63,0.15);
}
.fab-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.fab-top:hover { background: var(--color-navy); color: #fff; }
.fab-top svg { width: 18px; height: 18px; }

@media (max-width: 600px) {
  .floating-actions { right: 16px; bottom: 16px; }
  .fab-whatsapp { width: 50px; height: 50px; }
}