*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #1a3a5c;
  --accent: #e87722;
  --light: #f4f7fa;
  --text: #2d3748;
  --muted: #718096;
  --white: #ffffff;
  --radius: 10px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* HEADER */
header {
  position: sticky;
  top: 0;
  background: var(--primary);
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  font-size: 2rem;
  color: var(--accent);
}

.logo-title {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.5px;
}

.logo-sub {
  display: block;
  font-size: 0.72rem;
  color: #a0aec0;
  letter-spacing: 0.3px;
}

nav {
  display: flex;
  gap: 28px;
}

nav a {
  color: #cbd5e0;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover { color: var(--accent); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.6rem;
  cursor: pointer;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--primary);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  padding: 14px 24px;
  color: #cbd5e0;
  text-decoration: none;
  font-size: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: color 0.2s;
}

.mobile-menu a:hover { color: var(--accent); }

/* HERO */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, #0f2540 100%);
  padding: 100px 0 90px;
  text-align: center;
}

.hero-content h1 {
  font-size: 3rem;
  color: var(--white);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-content h1 span { color: var(--accent); }

.hero-content p {
  font-size: 1.15rem;
  color: #a0aec0;
  max-width: 560px;
  margin: 0 auto 36px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.btn:hover {
  background: #d4681a;
  transform: translateY(-1px);
}

/* SECTION TITLES */
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  text-align: center;
  margin-bottom: 10px;
}

.section-sub {
  text-align: center;
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 48px;
}

/* HİZMETLER */
.hizmetler {
  padding: 80px 0;
  background: var(--light);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.1);
}

.card-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.card p {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.6;
}

/* HAKKIMIZDA */
.hakkimizda {
  padding: 80px 0;
  background: var(--white);
}

.hakkimizda-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hakkimizda-text h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

.hakkimizda-text p {
  color: var(--muted);
  margin-bottom: 14px;
  font-size: 0.97rem;
}

.hakkimizda-text ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.hakkimizda-text li {
  color: var(--text);
  font-size: 0.95rem;
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat {
  background: var(--light);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  border-left: 4px solid var(--accent);
}

.stat-num {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 4px;
}

/* İLETİŞİM */
.iletisim {
  padding: 80px 0;
  background: var(--light);
}

.iletisim-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: start;
}

.iletisim-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-top: 8px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.info-icon {
  font-size: 1.5rem;
  margin-top: 2px;
}

.info-item strong {
  display: block;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 2px;
}

.info-item span {
  color: var(--muted);
  font-size: 0.95rem;
}

.iletisim-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.iletisim-form input,
.iletisim-form select,
.iletisim-form textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.2s;
  outline: none;
}

.iletisim-form input:focus,
.iletisim-form select:focus,
.iletisim-form textarea:focus {
  border-color: var(--accent);
}

.iletisim-form textarea { resize: vertical; }

.iletisim-form .btn { width: 100%; }

/* FOOTER */
footer {
  background: var(--primary);
  padding: 24px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

footer span {
  color: #718096;
  font-size: 0.85rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  nav { display: none; }
  .nav-toggle { display: block; }

  .hero-content h1 { font-size: 2rem; }

  .cards { grid-template-columns: 1fr; }

  .hakkimizda-inner { grid-template-columns: 1fr; gap: 40px; }

  .iletisim-grid { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero { padding: 70px 0 60px; }
  .hero-content h1 { font-size: 1.7rem; }
  .stats { grid-template-columns: 1fr 1fr; }
}