/* Özkoçak Harita — kurumsal tasarım sistemi */
:root {
  --navy: #0b1f3a;
  --navy-mid: #143056;
  --navy-soft: #1c3d68;
  --accent: #1a9b8e;
  --accent-dark: #147a70;
  --gold: #b8923a;
  --bg: #f2f4f7;
  --bg-alt: #e8ecf1;
  --white: #ffffff;
  --text: #1c2430;
  --text-soft: #3d4a5c;
  --muted: #5c6b7e;
  --line: #d5dce6;
  --focus: #c4a35a;
  --shadow: 0 10px 30px rgba(11, 31, 58, 0.08);
  --radius: 4px;
  --max: 1120px;
  --header-h: 72px;
  --sticky-h: 64px;
  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--navy);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 1000;
  background: var(--navy);
  color: var(--white);
  padding: 0.75rem 1rem;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: inherit;
  text-decoration: none;
  min-width: 0;
}

.brand img {
  height: 44px;
  width: auto;
  background: #000;
}

.brand-text {
  display: none;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  line-height: 1.1;
  text-transform: uppercase;
}

.brand-sub {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.02em;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: transparent;
  color: var(--white);
  border-radius: var(--radius);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle-bars {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
}

.nav-toggle-bars::before {
  top: -6px;
}

.nav-toggle-bars::after {
  top: 6px;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 1rem;
  justify-content: center;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--white);
  border-bottom-color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  white-space: nowrap;
}

.header-phone:hover {
  color: #9fd9d3;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-dark);
  color: var(--white);
}

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn-secondary:hover {
  background: var(--navy);
  color: var(--white);
}

.btn-whatsapp {
  background: #128c7e;
  color: var(--white);
}

.btn-whatsapp:hover {
  background: #0e7368;
  color: var(--white);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.16);
  color: var(--white);
}

.btn-light {
  background: var(--white);
  color: var(--navy);
}

.btn-light:hover {
  background: var(--bg-alt);
  color: var(--navy);
}

.icon {
  width: 1.15rem;
  height: 1.15rem;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-fill {
  fill: currentColor;
  stroke: none;
}

.btn .icon,
.header-phone .icon,
.hero-phone .icon {
  display: block;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(11, 31, 58, 0.96), rgba(20, 48, 86, 0.92)),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 39px,
      rgba(255, 255, 255, 0.03) 39px,
      rgba(255, 255, 255, 0.03) 40px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 39px,
      rgba(255, 255, 255, 0.03) 39px,
      rgba(255, 255, 255, 0.03) 40px
    );
  color: var(--white);
  padding: 3.5rem 0 3.75rem;
}

.hero::after {
  content: "";
  position: absolute;
  right: -8%;
  top: 10%;
  width: 42%;
  height: 80%;
  border: 1px solid rgba(26, 155, 142, 0.35);
  border-radius: 2px;
  transform: skewY(-6deg);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.85rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9fd9d3;
  font-weight: 700;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: 0.02em;
  max-width: 16ch;
}

.hero-lead {
  margin: 0 0 1.5rem;
  max-width: 52ch;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.hero-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--white);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 700;
}

.hero-phone:hover {
  color: #9fd9d3;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-links a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid rgba(26, 155, 142, 0.7);
}

.hero-links a:hover {
  color: var(--white);
}

.hero-panel {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.35rem 1.4rem;
  max-width: 360px;
}

.hero-panel h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.hero-panel p {
  margin: 0 0 1rem;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.98rem;
}

.hero-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-panel li {
  padding: 0.45rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.95rem;
}

.hero-panel a {
  color: #b8ebe4;
  text-decoration: none;
  font-weight: 600;
}

.hero-panel a:hover {
  color: var(--white);
}

/* Sections */
.section {
  padding: 3.5rem 0;
}

.section-alt {
  background: var(--white);
}

.section-navy {
  background: var(--navy);
  color: var(--white);
}

.section-navy a {
  color: #9fd9d3;
}

.section-head {
  max-width: 680px;
  margin-bottom: 2rem;
}

.section-head h2,
.page-hero h1,
.content-wrap h2 {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  line-height: 1.15;
  color: var(--navy);
  margin: 0 0 0.75rem;
}

.section-navy .section-head h2,
.section-navy h2 {
  color: var(--white);
}

.section-head h2,
.content-wrap h2 {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
}

.section-head p,
.lead {
  margin: 0;
  color: var(--text-soft);
  font-size: 1.05rem;
}

.section-navy .section-head p {
  color: rgba(255, 255, 255, 0.82);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.5rem;
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-navy .eyebrow {
  color: #9fd9d3;
}

/* Cards / grids — interaction containers only */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.service-item {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.35rem 1.25rem;
  box-shadow: none;
}

.service-item.featured {
  border-color: var(--accent);
  background:
    linear-gradient(180deg, rgba(26, 155, 142, 0.08), transparent 40%),
    var(--white);
}

.service-item h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  color: var(--navy);
}

.service-item p {
  margin: 0 0 1rem;
  color: var(--text-soft);
  font-size: 0.98rem;
}

.service-item a.more {
  font-weight: 700;
  text-decoration: none;
  color: var(--accent-dark);
}

.service-item a.more:hover {
  color: var(--navy);
  text-decoration: underline;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

.info-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.info-list li {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.info-list strong {
  color: var(--navy);
  font-size: 1.02rem;
}

.info-list span {
  color: var(--text-soft);
  font-size: 0.96rem;
}

.cta-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.75rem;
  background: linear-gradient(120deg, var(--navy), var(--navy-mid));
  color: var(--white);
  border-left: 4px solid var(--accent);
}

.cta-band h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--white);
}

.cta-band p {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
  max-width: 48ch;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

/* Page hero */
.page-hero {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  padding: 2.4rem 0 2rem;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  max-width: 18ch;
}

.page-hero .lead {
  max-width: 62ch;
  margin-top: 0.85rem;
}

.breadcrumbs {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 0.5rem;
  color: var(--line);
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--navy);
}

.content-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 2.5rem;
  align-items: start;
}

.content-main > * + * {
  margin-top: 1.15rem;
}

.content-main h2 {
  margin-top: 2.4rem;
  scroll-margin-top: 90px;
}

.content-main h3 {
  margin: 1.75rem 0 0.55rem;
  font-size: 1.2rem;
  color: var(--navy);
}

.content-main p,
.content-main li {
  color: var(--text-soft);
}

.content-main ul,
.content-main ol {
  padding-left: 1.2rem;
}

.content-main li + li {
  margin-top: 0.4rem;
}

.content-aside {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}

.aside-card {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.25rem;
}

.aside-card h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--navy);
}

.aside-card p {
  margin: 0 0 1rem;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.aside-card .btn {
  width: 100%;
  margin-bottom: 0.5rem;
}

.aside-card .phone-lg {
  display: block;
  margin: 0.75rem 0 1rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  text-decoration: none;
}

.toc {
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc a {
  display: block;
  padding: 0.4rem 0;
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--bg-alt);
}

.toc a:hover {
  color: var(--accent-dark);
}

.faq details {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 0.9rem 1rem;
  margin-bottom: 0.65rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--navy);
}

.faq details p {
  margin: 0.75rem 0 0;
  color: var(--text-soft);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.contact-item {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.25rem;
}

.contact-item h2,
.contact-item h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--navy);
}

.contact-item p {
  margin: 0.35rem 0;
  color: var(--text-soft);
}

.contact-item a {
  font-weight: 700;
  text-decoration: none;
  color: var(--navy);
}

.contact-item a:hover {
  color: var(--accent-dark);
}

.form {
  display: grid;
  gap: 0.9rem;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.35rem;
}

.form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
  color: var(--navy);
  font-size: 0.95rem;
}

.form input,
.form textarea,
.form select {
  width: 100%;
  min-height: 44px;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font: inherit;
  color: var(--text);
  background: var(--bg);
}

.form textarea {
  min-height: 140px;
  resize: vertical;
}

.form-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--white);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th,
td {
  padding: 0.8rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  background: var(--navy);
  color: var(--white);
  font-weight: 700;
}

tr:last-child td {
  border-bottom: 0;
}

/* Footer */
.site-footer {
  background: #081628;
  color: rgba(255, 255, 255, 0.82);
  padding: 3rem 0 6.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.site-footer h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li + li {
  margin-top: 0.45rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

.site-footer a:hover {
  color: #9fd9d3;
}

.footer-brand img {
  height: 48px;
  width: auto;
  margin-bottom: 0.85rem;
  background: #000;
}

.footer-meta {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Mobile sticky bar */
.mobile-cta {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  background: var(--white);
  border-top: 1px solid var(--line);
  box-shadow: 0 -6px 20px rgba(11, 31, 58, 0.1);
  padding: 0.55rem 0.75rem calc(0.55rem + env(safe-area-inset-bottom));
  gap: 0.55rem;
}

.mobile-cta .btn {
  flex: 1;
  min-height: 48px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.error-page {
  min-height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 3rem 1rem;
}

.error-page h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--navy);
  margin: 0 0 0.75rem;
}

/* Responsive */
@media (max-width: 960px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .split,
  .content-wrap,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .content-aside {
    position: static;
  }

  .hero::after {
    display: none;
  }
}

@media (max-width: 820px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--navy-mid);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: none;
    padding: 0.75rem 1rem 1rem;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav a {
    display: block;
    padding: 0.75rem 0.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .header-inner {
    grid-template-columns: 1fr auto auto;
  }

  .header-phone span {
    display: none;
  }

  .header-cta-text {
    display: none;
  }

  .brand-text {
    display: none;
  }

  .mobile-cta {
    display: flex;
  }

  body {
    padding-bottom: var(--sticky-h);
  }

  .site-footer {
    padding-bottom: 7.5rem;
  }
}

@media (max-width: 640px) {
  .service-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 2.5rem 0 2.75rem;
  }

  .hero-panel {
    max-width: none;
  }

  .cta-band {
    padding: 1.35rem;
  }
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.4fr 0.8fr;
    align-items: end;
  }

  .brand-text {
    display: block;
  }
}
