/* Temel stil ayarları */
:root {
  --bg: #e6f2ff; /* buz mavisi zemin */
  --bg-soft: #f4f7fb;
  --bg-soft-alt: #ffffff;
  --primary: #2563eb;
  --primary-soft: rgba(37, 99, 235, 0.08);
  --accent: #0284c7;
  --text: #111827; /* siyaha yakın koyu */
  --muted: #6b7280;
  --border: #d1d5db;
  --danger: #ef4444;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.18);
  --shadow-subtle: 0 10px 30px rgba(15, 23, 42, 0.12);
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  background: linear-gradient(180deg, #e6f2ff 0%, #f5f7fb 40%, #ffffff 100%);
  color: var(--text);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

main {
  flex: 1;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(250, 252, 255, 0.96), rgba(241, 245, 249, 0.9));
  border-bottom: 1px solid rgba(209, 213, 219, 0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.logo-name {
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #0f172a;
  font-size: 1.15rem;
  line-height: 1;
}

.logo-img {
  height: 90px;
  width: auto;
  max-width: 250px;
  object-fit: contain;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  background: radial-gradient(circle at 30% 20%, #e0f2fe 0, #22d3ee 35%, #0ea5e9 70%);
  color: #020617;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.9), 0 18px 40px rgba(8, 47, 73, 0.8);
}

.logo-text {
  display: flex;
  flex-direction: column;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.logo-text span {
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.18em;
}

.main-nav {
  position: relative;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
  border: 1px solid rgba(209, 213, 219, 0.9);
}

.nav-links a {
  font-size: 0.85rem;
  color: #4b5563;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  transition: 0.18s ease-out;
}

.nav-links a:hover {
  color: #111827;
  background: rgba(191, 219, 254, 0.5);
}

.nav-links a.active {
  color: #f9fafb;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  box-shadow: 0 14px 30px rgba(56, 189, 248, 0.4);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  padding: 0.3rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-pill);
  border: none;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  color: #f9fafb;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 14px 32px rgba(37, 99, 235, 0.35);
  transition: transform 0.15s ease-out, box-shadow 0.15s ease-out, filter 0.15s ease-out;
}

.btn:hover {
  transform: translateY(-0.5px);
  filter: brightness(1.03);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.35);
}

.btn-outline {
  background: transparent;
  color: #1d4ed8;
  border: 1px solid rgba(129, 140, 248, 0.7);
  box-shadow: none;
}

.btn-outline:hover {
  background: rgba(219, 234, 254, 0.95);
  box-shadow: 0 16px 44px rgba(148, 163, 184, 0.5);
}

.btn-light {
  background: #ffffff;
  color: #1f2937;
  box-shadow: 0 14px 36px rgba(148, 163, 184, 0.4);
}

.btn-sm {
  padding: 0.45rem 1.1rem;
  font-size: 0.8rem;
}

/* Hero */
.hero {
  padding: 3.5rem 0 3.75rem;
  background:
    radial-gradient(circle at top left, rgba(191, 219, 254, 0.9), transparent 60%),
    radial-gradient(circle at bottom right, rgba(129, 230, 217, 0.55), transparent 55%),
    linear-gradient(135deg, #e0f2ff, #bfdbfe);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.16rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(129, 140, 248, 0.4);
  background: rgba(255, 255, 255, 0.9);
  color: #1e293b;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.accent {
  color: var(--accent);
}

.hero h1 {
  font-size: 2.4rem;
  line-height: 1.1;
  margin: 1.1rem 0 0.8rem;
}

.hero-text {
  color: #1e293b;
  font-size: 0.98rem;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin: 1.5rem 0 1.1rem;
}

.hero-meta {
  display: flex;
  gap: 1.8rem;
  margin-top: 0.9rem;
  font-size: 0.8rem;
  color: #64748b;
}

.hero-meta-number {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
  color: #0f172a;
}

.hero-image {
  position: relative;
  border-radius: 30px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: 0 18px 45px rgba(148, 163, 184, 0.5);
  background: radial-gradient(circle at top, #dbeafe 0, #eff6ff 70%);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  padding: 0.55rem 0.9rem;
  border-radius: 0.9rem;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.8);
  font-size: 0.8rem;
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: var(--shadow-subtle);
  color: white;
}

.hero-badge span {
  color: white;
  font-size: 0.74rem;
}

/* Sections */
.section {
  padding: 2.8rem 0;
}

.section-about {
  background: #ffffff;
  color: #0f172a;
}

.section-about p {
  color: #6b7280;
}

.section-muted {
  background: linear-gradient(180deg, #f3f7ff 0%, #ffffff 100%);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.section-header h2 {
  font-size: 1.7rem;
  margin-bottom: 0.6rem;
}

.section-header p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* Grids */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
}

.about-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  color: #4b5563;
  font-size: 0.95rem;
}

.about-list li::before {
  content: "✔";
  color: #0ea5e9;
  font-size: 0.8rem;
  margin-right: 0.5rem;
}

.section-services {
  background: #f5f7ff;
  color: #0f172a;
}

.section-title-left {
  font-size: 1.8rem;
  margin: 0 0 1.5rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: #ffffff;
  border-radius: 1.2rem;
  overflow: hidden;
  border: 1px solid #e5e7eb;
  box-shadow: 0 16px 35px rgba(15, 23, 42, 0.12);
}

.service-image {
  height: 180px;
  overflow: hidden;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease-out;
}

.service-card:hover .service-image img {
  transform: scale(1.03);
}

.service-card h3 {
  font-size: 1rem;
  margin: 1rem 1.1rem 0.4rem;
}

.service-card p {
  font-size: 0.9rem;
  color: #6b7280;
  margin: 0 1.1rem 1.1rem;
}

/* Cards */
.feature-card,
.product-card,
.project-card {
  background: #ffffff;
  border-radius: 1.1rem;
  padding: 1.35rem 1.3rem;
  border: 1px solid rgba(31, 41, 55, 0.95);
  box-shadow: var(--shadow-subtle);
}

.feature-card h3,
.product-card h2,
.project-card h2 {
  font-size: 1rem;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.feature-card p,
.product-card p,
.project-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.project-meta {
  margin-top: 0.7rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.section-cta-center {
  text-align: center;
  margin-top: 2rem;
}

/* Highlight section */
.section-highlight {
  padding: 2.8rem 0;
}

.highlight-inner {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr;
  gap: 2rem;
  align-items: center;
}

.highlight-image {
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.7);
  box-shadow: var(--shadow-soft);
}

.highlight-content h2 {
  margin-top: 0;
  margin-bottom: 0.7rem;
  font-size: 1.5rem;
}

.highlight-content p {
  color: var(--muted);
  font-size: 0.95rem;
}

.list-check {
  list-style: none;
  margin: 1rem 0 1.4rem;
  padding: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.list-check li::before {
  content: "●";
  color: var(--accent);
  margin-right: 0.5rem;
  font-size: 0.55rem;
  vertical-align: middle;
}

/* Contact CTA */
.section-contact-cta {
  padding-bottom: 3.1rem;
}

.contact-cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1.4rem 1.6rem;
  border-radius: 1.3rem;
  background: radial-gradient(circle at top left, rgba(191, 219, 254, 0.9), #eff6ff);
  border: 1px solid rgba(191, 219, 254, 0.9);
  box-shadow: 0 18px 45px rgba(148, 163, 184, 0.45);
}

.contact-cta-inner h2 {
  margin: 0 0 0.4rem;
}

.contact-cta-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Page hero */
.page-hero {
  padding: 2.4rem 0 1.6rem;
}

.page-hero h1 {
  font-size: 1.9rem;
  margin-bottom: 0.4rem;
}

.page-hero p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* Contact */
.contact-grid {
  align-items: flex-start;
}

.contact-info {
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-info li {
  margin-bottom: 0.6rem;
}

.contact-center {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-intro {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

.contact-phone-highlight {
  margin: 2.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.phone-link {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 2rem;
  background: var(--accent);
  color: white;
  text-decoration: none;
  border-radius: 1rem;
  font-size: 1.3rem;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.3);
}

.phone-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(56, 189, 248, 0.4);
}

.whatsapp-link {
  background: #25D366;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.whatsapp-link:hover {
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4);
}

.phone-icon {
  font-size: 1.5rem;
}

.phone-number {
  letter-spacing: 0.05em;
}

.contact-info-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(148, 163, 184, 0.3);
}

.contact-info-section h3 {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.contact-form {
  background: #ffffff;
  padding: 1.3rem 1.5rem;
  border-radius: 1.2rem;
  border: 1px solid rgba(31, 41, 55, 0.95);
  box-shadow: var(--shadow-subtle);
}

.form-group {
  margin-bottom: 0.9rem;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  margin-bottom: 0.3rem;
  color: var(--muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border-radius: 0.7rem;
  border: 1px solid rgba(55, 65, 81, 0.9);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text);
  font-size: 0.86rem;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.6);
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(191, 219, 254, 0.9);
  background: linear-gradient(to bottom, #e5f3ff, #dbeafe);
  margin-top: 2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 2rem;
  padding: 1.8rem 1.5rem 1.3rem;
}

/* Header ve footer logo boyutu aynı: .logo-img üzerinden yönetilir */
.footer-logo .logo-name {
  font-size: 1.6rem;
}

.footer-links,
.footer-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-links li,
.footer-contact li {
  margin-bottom: 0.35rem;
}

.footer-bottom {
  border-top: 1px solid rgba(191, 219, 254, 0.9);
  text-align: center;
  padding: 0.7rem 1.5rem 1rem;
  font-size: 0.78rem;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3rem;
  }

  .highlight-inner {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .logo-img {
    height: 56px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    right: 0;
    top: 110%;
    flex-direction: column;
    align-items: flex-start;
    background: rgba(15, 23, 42, 0.98);
    padding: 0.6rem;
    border-radius: 1.1rem;
    border: 1px solid rgba(31, 41, 55, 1);
    min-width: 190px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.16s ease-out, transform 0.16s ease-out;
  }

  .nav-links.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

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

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .contact-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

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