/* ============================================================
   Öztürkler İnşaat Group — Design System
   Palette: Navy & White
   ============================================================ */

:root {
  --navy-950: #06152b;
  --navy-900: #0a1f3d;
  --navy-800: #0e2a52;
  --navy-700: #143669;
  --navy-600: #1c4587;
  --navy-500: #2456a6;
  --blue-100: #dce6f5;
  --ink: #122039;
  --slate: #54647d;
  --slate-light: #8593a9;
  --line: #e2e8f2;
  --bg-soft: #f3f6fb;
  --white: #ffffff;

  --font-head: "Montserrat", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  --radius: 6px;
  --radius-lg: 10px;
  --container: 1180px;
  --shadow-sm: 0 1px 3px rgba(10, 31, 61, 0.08);
  --shadow-md: 0 8px 28px rgba(10, 31, 61, 0.1);
  --shadow-lg: 0 18px 50px rgba(10, 31, 61, 0.16);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset / base ---------- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul,
ol {
  list-style: none;
}
button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.15;
  color: var(--navy-900);
  letter-spacing: -0.015em;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

::selection {
  background: var(--navy-700);
  color: var(--white);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all 0.25s var(--ease);
  white-space: nowrap;
}

.btn svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  transition: transform 0.25s var(--ease);
}
.btn:hover svg {
  transform: translateX(3px);
}

.btn-primary {
  background: var(--navy-800);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--navy-600);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--navy-800);
  box-shadow: inset 0 0 0 2px var(--navy-800);
}
.btn-outline:hover {
  background: var(--navy-800);
  color: var(--white);
}

.btn-white {
  background: var(--white);
  color: var(--navy-900);
}
.btn-white:hover {
  background: var(--blue-100);
  transform: translateY(-1px);
}

.btn-ghost-light {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28);
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.16);
}

/* ---------- Topbar ---------- */

.topbar {
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 38px;
}

.topbar-contacts {
  display: flex;
  align-items: center;
  gap: 22px;
}
.topbar a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: color 0.2s;
}
.topbar a:hover {
  color: var(--white);
}
.topbar svg {
  width: 14px;
  height: 14px;
  opacity: 0.7;
}
.topbar-note {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255, 255, 255, 0.55);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s;
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  background: var(--navy-800);
  color: var(--white);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 22px;
  position: relative;
  overflow: hidden;
}

.brand-mark::after {
  content: "";
  position: absolute;
  right: -8px;
  bottom: -8px;
  width: 22px;
  height: 22px;
  background: var(--navy-500);
  transform: rotate(45deg);
}

.brand-mark.has-logo {
  background: transparent;
  color: inherit;
}

.brand-mark.has-logo::after {
  display: none;
}

.brand-logo {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: cover;
}

.brand-text {
  line-height: 1.1;
}
.brand-text strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--navy-900);
}
.brand-text small {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 9.5px;
  letter-spacing: 0.32em;
  color: var(--slate);
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.main-nav a {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  color: var(--slate);
  padding: 6px 0;
  position: relative;
  transition: color 0.2s;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--navy-600);
  transition: width 0.25s var(--ease);
}

.main-nav a:hover,
.main-nav a.is-active {
  color: var(--navy-900);
}
.main-nav a:hover::after,
.main-nav a.is-active::after {
  width: 100%;
}

.header-cta {
  padding: 11px 22px;
  font-size: 13px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  color: var(--navy-900);
  align-items: center;
  justify-content: center;
}
.nav-toggle svg {
  width: 26px;
  height: 26px;
}
.nav-toggle .icon-close {
  display: none;
}
.nav-toggle.is-open .icon-menu {
  display: none;
}
.nav-toggle.is-open .icon-close {
  display: block;
}

/* ---------- Section primitives ---------- */

.section {
  padding: 96px 0;
}
.section-soft {
  background: var(--bg-soft);
}
.section-navy {
  background: var(--navy-900);
  color: var(--white);
}
.section-navy h2,
.section-navy h3 {
  color: var(--white);
}

.section-head {
  max-width: 720px;
  margin-bottom: 56px;
}
.section-head.is-centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--navy-600);
  margin-bottom: 16px;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--navy-600);
}

.is-centered .eyebrow::after {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--navy-600);
}

.section-navy .eyebrow {
  color: #9db8e3;
}
.section-navy .eyebrow::before,
.section-navy .eyebrow::after {
  background: #9db8e3;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 18px;
}
.section-lead {
  font-size: 17px;
  color: var(--slate);
}
.section-navy .section-lead {
  color: rgba(255, 255, 255, 0.72);
}

/* ---------- Hero (home) ---------- */

.hero {
  position: relative;
  background:
    linear-gradient(rgba(226, 232, 242, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(226, 232, 242, 0.5) 1px, transparent 1px);
  background-size: 56px 56px;
  background-color: var(--white);
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
  padding: 88px 24px 96px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--blue-100);
  color: var(--navy-700);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 26px;
}

.hero-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--navy-600);
}

.hero h1 {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 900;
  margin-bottom: 24px;
}

.hero h1 .accent {
  color: var(--navy-500);
}

.hero-desc {
  font-size: 18px;
  color: var(--slate);
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  font-size: 14px;
  color: var(--slate);
  font-weight: 500;
}
.hero-trust li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-trust svg {
  width: 16px;
  height: 16px;
  color: var(--navy-600);
  flex-shrink: 0;
}

.hero-media {
  position: relative;
}

.hero-media .frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-media .frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    200deg,
    rgba(10, 31, 61, 0) 40%,
    rgba(10, 31, 61, 0.55)
  );
  z-index: 1;
}

.hero-media img {
  width: 100%;
  height: 520px;
  object-fit: cover;
}

.hero-media::after {
  content: "";
  position: absolute;
  top: 26px;
  right: -26px;
  bottom: -26px;
  left: 26px;
  border: 2px solid var(--blue-100);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.hero-card {
  position: absolute;
  left: -34px;
  bottom: 34px;
  z-index: 2;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-card .num {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 32px;
  color: var(--navy-800);
  line-height: 1;
}

.hero-card .label {
  font-size: 13px;
  color: var(--slate);
  font-weight: 500;
  line-height: 1.4;
}

/* ---------- Stats band ---------- */

.stats-band {
  background: var(--navy-900);
  color: var(--white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 44px 0;
}

.stat {
  text-align: center;
  padding: 8px 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}
.stat:first-child {
  border-left: none;
}

.stat .value {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 3.4vw, 42px);
  line-height: 1.1;
}

.stat .label {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
  margin-top: 6px;
}

/* ---------- Service cards ---------- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition:
    transform 0.3s var(--ease),
    box-shadow 0.3s var(--ease),
    border-color 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card .media {
  position: relative;
  height: 230px;
  overflow: hidden;
}
.service-card .media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.service-card:hover .media img {
  transform: scale(1.06);
}

.service-card .media .index {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--navy-900);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 6px 12px;
  border-radius: var(--radius);
}

.service-card .body {
  padding: 28px 28px 30px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.service-card h3 {
  font-size: 21px;
  margin-bottom: 10px;
}
.service-card p {
  color: var(--slate);
  font-size: 15px;
  flex: 1;
}

.service-card .link {
  margin-top: 22px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--navy-700);
}
.service-card .link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.25s var(--ease);
}
.service-card:hover .link svg {
  transform: translateX(4px);
}

/* ---------- Feature / why-us ---------- */

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  transition:
    box-shadow 0.3s var(--ease),
    transform 0.3s var(--ease);
}
.feature:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feature .icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: var(--blue-100);
  color: var(--navy-700);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}
.feature .icon svg {
  width: 24px;
  height: 24px;
}

.feature h3 {
  font-size: 17px;
  margin-bottom: 10px;
}
.feature p {
  font-size: 14.5px;
  color: var(--slate);
}

/* ---------- Process steps ---------- */

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.process-step {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
}

.process-step .step-num {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 44px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.16);
  margin-bottom: 16px;
}

.process-step h3 {
  font-size: 17px;
  margin-bottom: 10px;
  color: var(--white);
}
.process-step p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.66);
}

/* ---------- Project cards ---------- */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  isolation: isolate;
}

.project-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: transform 0.6s var(--ease);
}
.project-card:hover img {
  transform: scale(1.05);
}

.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(6, 21, 43, 0.05) 30%,
    rgba(6, 21, 43, 0.88)
  );
  z-index: -1;
}

.project-card .body {
  padding: 28px;
  color: var(--white);
  width: 100%;
}

.project-card .tag {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(4px);
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 14px;
}

.project-card h3 {
  color: var(--white);
  font-size: 23px;
  margin-bottom: 6px;
}
/* Make the whole project card clickable (stretched link) */
.project-card h3 a {
  color: inherit;
}
.project-card h3 a::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}
.project-card p {
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.78);
}

.project-card .meta {
  margin-top: 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

/* ---------- CTA band ---------- */

.cta-band {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 56px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 320px;
  height: 320px;
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}
.cta-band::after {
  content: "";
  position: absolute;
  right: 40px;
  bottom: -120px;
  width: 240px;
  height: 240px;
  border: 2px solid rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}

.cta-band h2 {
  color: var(--white);
  font-size: clamp(24px, 3vw, 34px);
  margin-bottom: 10px;
}
.cta-band p {
  color: rgba(255, 255, 255, 0.72);
  max-width: 520px;
}
.cta-band .actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

/* ---------- Page header (inner pages) ---------- */

.page-header {
  background: var(--navy-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-header-inner {
  position: relative;
  padding: 72px 0 64px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 22px;
}
.breadcrumbs a:hover {
  color: var(--white);
}
.breadcrumbs .sep {
  opacity: 0.4;
}
.breadcrumbs [aria-current] {
  color: rgba(255, 255, 255, 0.9);
}

.page-header h1 {
  color: var(--white);
  font-size: clamp(32px, 4.6vw, 50px);
  margin-bottom: 14px;
}

.page-header .lead {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.72);
  max-width: 680px;
}

/* ---------- Service detail layout ---------- */

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 350px;
  gap: 56px;
  align-items: start;
}

.detail-content h2 {
  font-size: 26px;
  margin: 44px 0 16px;
}
.detail-content h2:first-child {
  margin-top: 0;
}
.detail-content p {
  color: var(--slate);
  margin-bottom: 16px;
}
.detail-content .intro {
  font-size: 18px;
  color: var(--ink);
}

.detail-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 28px 0 8px;
  box-shadow: var(--shadow-md);
}
.detail-media img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 22px 0 8px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--navy-900);
}
.check-item svg {
  width: 19px;
  height: 19px;
  color: var(--navy-600);
  flex-shrink: 0;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0 8px;
  font-size: 15px;
}
.spec-table th,
.spec-table td {
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
}
.spec-table th {
  font-family: var(--font-head);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--navy-800);
}
.spec-table tr:nth-child(even) td {
  background: var(--bg-soft);
}
.spec-table td:first-child {
  font-weight: 600;
  color: var(--navy-900);
}
.spec-table td {
  color: var(--slate);
}

/* Sidebar */

.detail-aside {
  position: sticky;
  top: 104px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.aside-card {
  background: var(--navy-900);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
}
.aside-card h3 {
  color: var(--white);
  font-size: 19px;
  margin-bottom: 10px;
}
.aside-card p {
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 22px;
}
.aside-card .btn {
  width: 100%;
  margin-bottom: 12px;
}
.aside-card .btn:last-child {
  margin-bottom: 0;
}

.aside-nav {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px 24px;
}
.aside-nav h4 {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 14px;
}
.aside-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
  font-size: 14.5px;
  color: var(--ink);
  transition: color 0.2s;
}
.aside-nav a:last-child {
  border-bottom: none;
}
.aside-nav a:hover,
.aside-nav a.is-active {
  color: var(--navy-600);
}
.aside-nav a svg {
  width: 15px;
  height: 15px;
  color: var(--slate-light);
}

/* ---------- FAQ ---------- */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 22px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--navy-900);
  cursor: pointer;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary .chev {
  width: 18px;
  height: 18px;
  color: var(--slate);
  flex-shrink: 0;
  transition: transform 0.3s var(--ease);
}
.faq-item[open] summary .chev {
  transform: rotate(180deg);
}

.faq-item .answer {
  padding: 0 22px 20px;
  color: var(--slate);
  font-size: 15px;
}

/* ---------- About page ---------- */

.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-media {
  position: relative;
}
.about-media img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.about-media::after {
  content: "";
  position: absolute;
  top: -22px;
  left: -22px;
  right: 40%;
  bottom: 40%;
  border: 2px solid var(--blue-100);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.value-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 28px;
}
.value-item {
  display: flex;
  gap: 16px;
}
.value-item .icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--blue-100);
  color: var(--navy-700);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.value-item .icon svg {
  width: 21px;
  height: 21px;
}
.value-item h3 {
  font-size: 16.5px;
  margin-bottom: 4px;
}
.value-item p {
  font-size: 14.5px;
  color: var(--slate);
}

/* ---------- Contact page ---------- */

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.contact-info-card {
  display: flex;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.contact-info-card:last-of-type {
  border-bottom: none;
}

.contact-info-card .icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--blue-100);
  color: var(--navy-700);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.contact-info-card .icon svg {
  width: 22px;
  height: 22px;
}

.contact-info-card h3 {
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 4px;
}
.contact-info-card a,
.contact-info-card .val {
  font-weight: 600;
  font-size: 16.5px;
  color: var(--navy-900);
}
.contact-info-card a:hover {
  color: var(--navy-600);
}
.contact-info-card small {
  display: block;
  color: var(--slate);
  font-size: 13.5px;
  margin-top: 2px;
}

.contact-form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 40px;
}

.contact-form-card h2 {
  font-size: 24px;
  margin-bottom: 8px;
}
.contact-form-card > p {
  color: var(--slate);
  font-size: 15px;
  margin-bottom: 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.form-field.is-full {
  grid-column: 1 / -1;
}

.form-field label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy-800);
}

.form-field input,
.form-field select,
.form-field textarea {
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 15px;
  transition:
    border-color 0.2s,
    background 0.2s,
    box-shadow 0.2s;
  width: 100%;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--navy-500);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(36, 86, 166, 0.12);
}

.form-field textarea {
  min-height: 130px;
  resize: vertical;
}

.form-note {
  font-size: 13px;
  color: var(--slate-light);
  margin-top: 14px;
}

.map-embed {
  border: 0;
  width: 100%;
  height: 420px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* ---------- WhatsApp float ---------- */

.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: var(--white);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: transform 0.25s var(--ease);
}
.wa-float:hover {
  transform: scale(1.08);
}
.wa-float svg {
  width: 28px;
  height: 28px;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding: 72px 0 56px;
}

.footer-brand .brand-text strong {
  color: var(--white);
}
.footer-brand .brand-text small {
  color: rgba(255, 255, 255, 0.5);
}
.footer-brand p {
  font-size: 14.5px;
  margin-top: 18px;
  max-width: 300px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-col h4 {
  color: var(--white);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.footer-col a {
  font-size: 14.5px;
  transition: color 0.2s;
}
.footer-col a:hover {
  color: var(--white);
}

.footer-col .contact-line {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14.5px;
}
.footer-col .contact-line svg {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  flex-shrink: 0;
  opacity: 0.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- Reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .section {
    padding: 72px 0;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-top: 64px;
    padding-bottom: 72px;
  }
  .hero-media img {
    height: 400px;
  }
  .hero-media::after {
    display: none;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .detail-layout {
    grid-template-columns: 1fr;
  }
  .detail-aside {
    position: static;
  }
  .about-split {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .cta-band {
    flex-direction: column;
    align-items: flex-start;
    padding: 44px 36px;
  }
}

@media (max-width: 760px) {
  .topbar-note {
    display: none;
  }
  .topbar-contacts {
    gap: 16px;
    flex-wrap: wrap;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 84vw);
    background: var(--navy-950);
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 96px 32px 32px;
    transform: translateX(100%);
    transition: transform 0.35s var(--ease);
    z-index: 99;
  }
  .main-nav.is-open {
    transform: translateX(0);
  }
  .main-nav a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 17px;
    padding: 10px 0;
    width: 100%;
  }
  .main-nav a.is-active,
  .main-nav a:hover {
    color: var(--white);
  }
  .main-nav a::after {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    position: relative;
    z-index: 110;
  }
  .header-cta {
    display: none;
  }

  .hero h1 {
    font-size: 34px;
  }
  .hero-media img {
    height: 300px;
  }
  .hero-card {
    left: 12px;
    bottom: 12px;
    padding: 14px 18px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px 0;
    padding: 32px 0;
  }
  .stat {
    border-left: none;
    padding: 14px 12px;
  }

  .services-grid,
  .projects-grid,
  .features-grid,
  .process-grid,
  .check-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 56px 0 44px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .contact-form-card {
    padding: 28px 22px;
  }
  .cta-band {
    padding: 36px 26px;
  }
  .detail-media img {
    height: 240px;
  }
}