:root {
  /* BACKGROUNDS */
  --bg-main: #ffffff;
  --bg-soft: #f2f5f7;

  /* TEXT */
  --text-main: #0f1f2e;
  --text-muted: #5f6f7f;

  /* BRAND */
  --accent: #0f6f7a;
  --accent-2: #1aa6b0;
  --accent-soft: #e0f2f4;

  /* BORDERS / SHADOW */
  --border: #dde4ea;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.08);

  /* RADIUS */
  --r-lg: 16px;
  --r-md: 12px;
  --r-sm: 10px;
}

/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  font-family: "Inter", sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.65;
}

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

a {
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #fff;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  z-index: 999;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  z-index: 100;
  transition: box-shadow 0.2s ease;
}

.header-inner {
  height: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* LOGO – SVG BASED (FINAL) */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  text-decoration: none;
}

.logo-mark {
  display: inline-flex;
  width: 36px;
  height: 36px;
  color: var(--accent); /* SVG currentColor */
}

.logo-mark svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Header & footer renk kontrolü */
.site-header .logo-mark {
  color: var(--accent);
}

.site-footer .logo-mark {
  color: var(--accent);
}

.logo-text {
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto;
  font-weight: 800;
  font-size: 1.4rem;
  color: #0e3a46;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav a {
  margin-left: 24px;
  font-size: 14px;
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  position: relative;
  padding: 8px 2px;
}
.nav a:hover {
  color: var(--text-main);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  transition: width 0.2s ease;
  border-radius: 2px;
}
.nav a:hover::after {
  width: 100%;
}

.menu-btn {
  display: none;
  font-size: 22px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px 12px;
  border-radius: 10px;
}
.menu-btn:hover {
  background: rgba(15, 111, 122, 0.08);
}

/* HERO */
.hero {
  padding: 96px 0 56px;
  background: radial-gradient(
      900px 240px at 15% 0%,
      rgba(15, 111, 122, 0.1),
      transparent 60%
    ),
    radial-gradient(
      760px 220px at 85% 10%,
      rgba(26, 166, 176, 0.1),
      transparent 60%
    ),
    var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(15, 111, 122, 0.22);
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 600;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: 44px;
  line-height: 1.15;
  letter-spacing: -0.4px;
}

.hero p {
  margin-top: 16px;
  color: var(--text-muted);
  max-width: 58ch;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 18px;
}

.hero-meta span {
  font-size: 12px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(15, 111, 122, 0.25);
  color: var(--accent);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.media-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.media-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.media-card figcaption {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 14px 14px 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(15, 111, 122, 0.22);
  padding: 6px 10px;
  border-radius: 999px;
}
.badge.ghost {
  color: var(--text-muted);
  background: #fff;
  border: 1px solid var(--border);
}

.trust-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.trust-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-muted);
  font-size: 13px;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 18px rgba(15, 111, 122, 0.25);
}

/* BUTTONS */
.btn-primary {
  display: inline-block;
  padding: 14px 22px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 10px 28px rgba(15, 111, 122, 0.22);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 34px rgba(15, 111, 122, 0.26);
}
.btn-primary:active {
  transform: translateY(0px);
}

.btn-ghost {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  color: var(--text-main);
  background: #fff;
  border: 1px solid var(--border);
  transition: transform 0.18s ease, border-color 0.18s ease,
    box-shadow 0.18s ease;
}
.btn-ghost:hover {
  transform: translateY(-1px);
  border-color: rgba(15, 111, 122, 0.35);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.06);
}

/* SECTIONS */
.services,
.process,
.work,
.about,
.faq {
  padding: 88px 0;
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.section-desc {
  max-width: 74ch;
  color: var(--text-muted);
}

/* SERVICES */
.service-grid {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}

.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px;
  transition: transform 0.22s ease, border-color 0.22s ease,
    box-shadow 0.22s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: linear-gradient(
    135deg,
    rgba(15, 111, 122, 0.18),
    rgba(26, 166, 176, 0.16)
  );
  opacity: 0;
  transition: opacity 0.22s ease;
  pointer-events: none;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(15, 111, 122, 0.4);
  box-shadow: var(--shadow);
}
.service-card:hover::before {
  opacity: 1;
}

.card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  position: relative;
}

.icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  border: 1px solid rgba(15, 111, 122, 0.22);
  color: var(--accent);
  font-size: 18px;
  font-weight: 700;
}

.service-card h3 {
  font-size: 16px;
  letter-spacing: -0.2px;
}

.service-card p {
  color: var(--text-muted);
  margin-top: 6px;
  position: relative;
}

.mini-list {
  margin-top: 12px;
  padding-left: 18px;
  color: var(--text-muted);
  display: grid;
  gap: 6px;
  font-size: 13px;
  position: relative;
}

/* PROCESS */
.process {
  background: radial-gradient(
      900px 240px at 20% 0%,
      rgba(15, 111, 122, 0.08),
      transparent 60%
    ),
    var(--bg-main);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.process-steps {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.step {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 20px 18px;
  transition: transform 0.22s ease, border-color 0.22s ease,
    box-shadow 0.22s ease;
}
.step:hover {
  transform: translateY(-4px);
  border-color: rgba(15, 111, 122, 0.35);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.06);
}

.step span {
  display: inline-block;
  font-weight: 800;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(15, 111, 122, 0.22);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
}

.step h4 {
  margin-top: 10px;
  letter-spacing: -0.2px;
}
.step p {
  margin-top: 6px;
  color: var(--text-muted);
}

.approach-box {
  margin-top: 22px;
  background: linear-gradient(
    135deg,
    rgba(15, 111, 122, 0.1),
    rgba(26, 166, 176, 0.1)
  );
  border: 1px solid rgba(15, 111, 122, 0.22);
  border-radius: var(--r-lg);
  padding: 18px;
}
.approach-box h3 {
  letter-spacing: -0.2px;
}
.approach-box p {
  margin-top: 8px;
  color: var(--text-muted);
}

/* WORK */
.work-grid {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}

.work-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px;
  transition: transform 0.22s ease, border-color 0.22s ease,
    box-shadow 0.22s ease;
}
.work-card:hover {
  transform: translateY(-6px);
  border-color: rgba(15, 111, 122, 0.4);
  box-shadow: var(--shadow);
}

.work-head {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(15, 111, 122, 0.22);
  padding: 6px 10px;
  border-radius: 999px;
}
.tag.soft {
  color: var(--text-muted);
  background: #fff;
  border: 1px solid var(--border);
}

.work-card h3 {
  letter-spacing: -0.2px;
}
.work-card p {
  margin-top: 6px;
  color: var(--text-muted);
}

/* ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 38px;
  align-items: start;
}

.about-text p {
  margin-top: 10px;
  color: var(--text-muted);
}

.about-points {
  margin-top: 16px;
  display: grid;
  gap: 12px;
}

.point {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 14px;
}
.point-title {
  font-weight: 800;
  letter-spacing: -0.2px;
}
.point-desc {
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 14px;
}

/* FAQ */
.faq {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}

.faq-grid {
  margin-top: 34px;
  display: grid;
  gap: 12px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 14px 14px;
  transition: border-color 0.22s ease, box-shadow 0.22s ease,
    transform 0.22s ease;
}
.faq-item:hover {
  border-color: rgba(15, 111, 122, 0.35);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-content {
  margin-top: 10px;
  color: var(--text-muted);
}

/* CTA / CONTACT */
.cta {
  padding: 88px 0;
  text-align: center;
  background: radial-gradient(
      860px 260px at 50% 0%,
      rgba(15, 111, 122, 0.1),
      transparent 60%
    ),
    var(--bg-main);
  border-top: 1px solid var(--border);
}
.cta-actions {
  margin-top: 18px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  background: #fff;
}

.footer-grid {
  padding: 28px 0;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.footer-desc {
  color: var(--text-muted);
  max-width: 70ch;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-title {
  font-weight: 800;
  margin-bottom: 6px;
}

.footer-col a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
}
.footer-col a:hover {
  color: var(--text-main);
  text-decoration: underline;
}

.footer-bottom {
  padding: 18px 0 22px;
  color: var(--text-muted);
  font-size: 14px;
  text-align: center;
  border-top: 1px solid var(--border);
}

/* REVEAL ANIMATION */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  will-change: opacity, transform;
}
.reveal.active {
  opacity: 1;
  transform: none;
}

/* ACCESSIBILITY / FOCUS */
:focus-visible {
  outline: 3px solid rgba(26, 166, 176, 0.35);
  outline-offset: 2px;
  border-radius: 10px;
}

/* REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    transition: none;
  }
  .btn-primary,
  .btn-ghost,
  .service-card,
  .work-card,
  .step,
  .faq-item {
    transition: none;
  }
}

/* RESPONSIVE */
@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .menu-btn {
    display: block;
  }

  .nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    margin: 0;
    padding: 14px 24px;
    border-top: 1px solid var(--border);
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 64px 0 40px;
  }
  .hero h1 {
    font-size: 32px;
    line-height: 1.2;
  }
  .services,
  .process,
  .work,
  .about,
  .faq {
    padding: 64px 0;
  }
  .cta {
    padding: 64px 0;
  }
}

/* TRUST STRIP */
.trust-strip {
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  padding: 28px 0;
}

.trust-item {
  text-align: center;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-soft);
}

.trust-item strong {
  display: block;
  font-weight: 800;
}

.trust-item span {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-note {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-muted);
}

/* FIXES – PROD SAFETY */

/* Mobil menu layer fix */
.nav {
  z-index: 200;
}

/* Absolute menu anchor fix */
.header-inner {
  position: relative;
}

/* iOS scroll lock safety */
body {
  overscroll-behavior: contain;
}

/* Mobile GPU performance guard */
@media (hover: none) {
  .service-card:hover,
  .work-card:hover,
  .step:hover,
  .faq-item:hover {
    transform: none;
    box-shadow: none;
  }
}

.why {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}

.cta-points {
  margin-top: 16px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

body[style*="overflow: hidden"] {
  touch-action: none;
}

.site-header.scrolled {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.footer-logo-text {
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto;
  font-weight: 700;
  font-size: 1.1rem;
  color: #0e3a46;
}