:root {
  --blue: #172b4d;
  --blue-dark: #0b1830;
  --blue-soft: #edf1f6;
  --orange: #172b4d;
  --orange-dark: #0b1830;
  --ink: #142033;
  --muted: #667085;
  --line: #e4e8ee;
  --panel: #ffffff;
  --page: #f7f8fa;
  --warning: #eef1f5;
  --warning-ink: #344054;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font: 16px/1.65 Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: #1d4f91;
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--blue-dark);
}

img {
  max-width: 100%;
  height: auto;
}

button,
input {
  font: inherit;
}

:focus-visible {
  outline: 3px solid #90a4c0;
  outline-offset: 2px;
}

.container {
  width: min(calc(100% - 28px), var(--max));
  margin-inline: auto;
}

.utility-bar {
  color: var(--muted);
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  font-size: 0.78rem;
}

.utility-bar .container {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-block: 6px;
}

.utility-links {
  display: flex;
  gap: 16px;
}

.utility-links a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  background: var(--panel);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 112px;
  padding-block: 14px;
}

.identity {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--ink);
  text-decoration: none;
}

.portrait-placeholder {
  display: grid;
  place-items: center;
  width: 76px;
  height: 88px;
  padding: 6px;
  color: var(--muted);
  background: var(--blue-soft);
  border: 1px dashed var(--blue);
  font-size: 0.72rem;
  text-align: center;
}

.monogram {
  display: grid;
  place-items: center;
  width: 70px;
  height: 70px;
  color: #fff;
  background: var(--blue-dark);
  font-size: 2rem;
  font-weight: 700;
}

.identity-name,
h1,
h2,
h3 {
  line-height: 1.2;
}

.identity-name {
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 700;
}

.identity-title {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
}

.header-contact {
  text-align: right;
}

.header-contact strong {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.header-contact a {
  font-weight: 700;
  text-decoration: none;
}

.primary-nav {
  background: var(--blue);
  border-bottom: 3px solid var(--blue-dark);
}

.nav-inner {
  display: flex;
  align-items: center;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  margin: 0;
  padding: 10px;
  color: var(--blue-dark);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  margin-inline: auto;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile-only {
  display: none;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  display: block;
  padding: 11px 13px;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  color: #fff;
  background: var(--blue-dark);
}

.topic-nav {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.topic-list {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

.topic-list a {
  display: block;
  padding: 8px 12px;
  color: var(--ink);
  border-right: 1px solid var(--line);
  font-size: 0.79rem;
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  min-height: 260px;
  margin-block: 18px;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(115deg, var(--orange-dark), var(--orange));
}

.hero-copy {
  padding: clamp(26px, 5vw, 48px);
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 720px;
  margin: 0 0 12px;
  font-size: clamp(2rem, 4.7vw, 3.25rem);
}

.hero p {
  max-width: 680px;
  margin: 0 0 20px;
}

.hero-visual {
  display: grid;
  place-items: center;
  min-height: 230px;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent),
    rgba(255, 255, 255, 0.08);
}

.process-diagram {
  width: min(100%, 340px);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: process;
}

.process-diagram li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 8px 0;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.14);
  border-left: 3px solid #fff;
  font-size: 0.86rem;
  font-weight: 700;
}

.process-diagram li::before {
  content: none;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 16px;
  color: #fff;
  background: var(--blue);
  border: 1px solid var(--blue);
  font-weight: 700;
  text-decoration: none;
}

.button:hover {
  color: #fff;
  background: var(--blue-dark);
  border-color: var(--blue-dark);
}

.button-secondary {
  color: var(--blue-dark);
  background: #fff;
  border-color: var(--line);
}

.button-secondary:hover {
  color: var(--blue-dark);
  background: var(--blue-soft);
}

.content-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding-bottom: 38px;
}

.sidebar {
  display: grid;
  gap: 14px;
}

.panel,
.sidebar-panel {
  background: var(--panel);
  border: 1px solid var(--line);
}

.panel {
  margin-bottom: 16px;
}

.panel-heading,
.sidebar-heading {
  margin: 0;
  padding: 10px 14px;
  font-size: 1rem;
  text-transform: uppercase;
}

.panel-heading {
  background: #f0f2f4;
  border-bottom: 2px solid var(--line);
  text-align: center;
}

.sidebar-heading {
  color: #fff;
  background: var(--blue);
  border-bottom: 2px solid var(--blue-dark);
  text-align: center;
}

.panel-body {
  padding: 18px;
}

.sidebar-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.sidebar-list a {
  display: block;
  padding: 8px 12px;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}

.sidebar-list li:last-child a {
  border-bottom: 0;
}

.sidebar-list a::before {
  content: "›";
  margin-right: 8px;
  color: var(--blue);
}

.sidebar-list a:hover {
  background: var(--blue-soft);
}

.page-header {
  margin-block: 18px 16px;
  padding: 22px 24px;
  color: #fff;
  background: var(--blue-dark);
}

.page-header h1 {
  margin: 0 0 6px;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
}

.page-header p {
  max-width: 760px;
  margin: 0;
}

.page-header .eyebrow {
  color: rgba(255, 255, 255, 0.8);
}

h2 {
  margin: 0 0 12px;
  font-size: 1.55rem;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

p {
  margin: 0 0 14px;
}

.lead {
  color: var(--muted);
  font-size: 1.08rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.card h3 a {
  color: inherit;
  text-decoration: none;
}

.card h3 a:hover {
  color: var(--blue);
}

.card p:last-child,
.panel-body > *:last-child {
  margin-bottom: 0;
}

.meta {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.82rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag-list li,
.tag {
  display: inline-block;
  padding: 4px 9px;
  color: var(--blue-dark);
  background: var(--blue-soft);
  border: 1px solid #c9dfef;
  font-size: 0.78rem;
  font-weight: 700;
}

.notice,
.placeholder {
  padding: 10px 12px;
  color: var(--warning-ink);
  background: var(--warning);
  border-left: 3px solid #98a2b3;
  font-size: 0.88rem;
}

.placeholder {
  display: inline-block;
  padding-block: 4px;
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
}

.detail-list {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 8px 16px;
  margin: 12px 0 0;
}

.detail-list dt {
  font-weight: 700;
}

.detail-list dd {
  margin: 0;
  color: var(--muted);
}

.article-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-list a {
  display: block;
  padding: 12px 14px;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  font-weight: 700;
  text-decoration: none;
}

.article-list a:hover {
  background: var(--blue-soft);
}

.article-list small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-weight: 400;
}

details {
  margin-bottom: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
}

summary {
  padding: 13px 15px;
  font-weight: 700;
  cursor: pointer;
}

details .details-body {
  padding: 14px 15px;
  border-top: 1px solid var(--line);
}

.certificate-card {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px;
}

.certificate-preview {
  display: grid;
  place-items: center;
  min-height: 112px;
  padding: 10px;
  color: var(--muted);
  background: #f4f5f6;
  border: 1px dashed #aeb8c0;
  font-size: 0.78rem;
  text-align: center;
}

.education-list {
  display: grid;
}

.education-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.education-item:first-child {
  padding-top: 2px;
}

.education-item:last-child {
  padding-bottom: 2px;
  border-bottom: 0;
}

.education-mark {
  flex: 0 0 52px;
  width: 52px;
  height: 52px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 9px;
}

.education-item h3 {
  margin-bottom: 3px;
  font-size: 0.98rem;
}

.education-item p {
  margin: 0;
  color: var(--ink);
  font-size: 0.88rem;
  line-height: 1.45;
}

.education-item .meta {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.8rem;
}

.education-item .document-link {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.8rem;
  font-weight: 700;
}

.duty-list {
  margin: 10px 0 0;
  padding-left: 18px;
}

.duty-list li {
  margin: 0 0 6px;
  color: var(--ink);
  font-size: 0.86rem;
  line-height: 1.5;
}

.duty-list li:last-child {
  margin-bottom: 0;
}

.role-list {
  margin-top: 14px;
}

.role-item {
  position: relative;
  margin: 0;
  padding: 0 0 16px 18px;
  border-left: 2px solid var(--line);
}

.role-item:last-child {
  padding-bottom: 0;
}

.role-item::before {
  content: "";
  position: absolute;
  top: 8px;
  left: -5px;
  width: 8px;
  height: 8px;
  background: var(--muted);
  border-radius: 50%;
}

.role-item h4 {
  margin: 0 0 3px;
  font-size: 0.94rem;
}

.document-link.is-missing {
  color: var(--muted);
  pointer-events: none;
  text-decoration: none;
}

.document-link.is-missing::after {
  content: " (dosya eklenecek)";
}

.resource-status {
  color: var(--orange-dark);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.site-footer {
  padding-block: 20px;
  color: #fff;
  background: var(--blue-dark);
  font-size: 0.84rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.footer-inner a {
  color: #fff;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 12px;
  z-index: 10;
  padding: 10px 14px;
  color: #fff;
  background: var(--ink);
}

.skip-link:focus {
  top: 12px;
}

@media (max-width: 900px) {
  .content-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    order: 2;
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 740px) {
  .header-inner,
  .utility-bar .container,
  .footer-inner {
    align-items: center;
    flex-direction: row;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-contact {
    display: none;
  }

  .portrait-placeholder {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
    flex-shrink: 0;
  }

  .primary-nav {
    display: none;
  }

  .primary-nav.is-open {
    display: block;
  }

  .nav-inner {
    flex-wrap: wrap;
    justify-content: stretch;
  }

  .nav-list {
    display: flex;
    width: 100%;
    flex-direction: column;
  }

  .nav-mobile-only {
    display: list-item;
  }

  .nav-list a {
    padding-inline: 4px;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 180px;
  }

  .grid,
  .grid-3,
  .sidebar {
    grid-template-columns: 1fr;
  }

  .detail-list {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .detail-list dd {
    margin-bottom: 10px;
  }
}

@media (max-width: 500px) {
  .monogram {
    width: 58px;
    height: 58px;
    font-size: 1.6rem;
  }

  .identity-title {
    font-size: 0.72rem;
  }

  .certificate-card {
    grid-template-columns: 1fr;
  }

}

@media print {
  .utility-bar,
  .primary-nav,
  .topic-nav,
  .sidebar,
  .site-footer,
  .button-row {
    display: none;
  }

  body {
    background: #fff;
  }

  .content-layout {
    display: block;
  }
}

/* Modern lacivert tema */
body {
  background:
    radial-gradient(circle at 10% 0%, rgba(23, 43, 77, 0.06), transparent 28rem),
    var(--page);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-footer {
  margin-top: auto;
}

.container {
  width: min(calc(100% - 40px), var(--max));
}

.utility-bar {
  display: none;
}

.site-header {
  position: relative;
  z-index: 5;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 82px;
  padding-block: 12px;
}

.portrait-placeholder {
  display: none;
}

.monogram {
  display: none;
}

.identity {
  gap: 0;
}

.identity-name {
  display: block;
  font-size: 1.2rem;
  letter-spacing: -0.025em;
}

.identity-title {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.055em;
}

.header-contact strong {
  display: none;
}

.header-contact a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 14px;
  color: var(--blue-dark);
  background: var(--blue-soft);
  border-radius: 999px;
  font-size: 0.83rem;
}

.primary-nav {
  position: sticky;
  top: 0;
  z-index: 4;
  background: rgba(255, 255, 255, 0.94);
  border: 0;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav-inner {
  justify-content: center;
}

.nav-list {
  justify-content: center;
  gap: 2px;
}

.nav-list a {
  position: relative;
  padding: 13px 11px;
  color: #475467;
  border-radius: 8px;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  color: var(--blue-dark);
  background: var(--blue-soft);
}

.topic-nav {
  background: rgba(247, 248, 250, 0.92);
  border-bottom: 1px solid var(--line);
}

.topic-list {
  justify-content: center;
  gap: 8px;
  padding-block: 9px;
}

.topic-list a {
  padding: 6px 10px;
  color: #667085;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.72rem;
}

.hero {
  position: relative;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  min-height: 520px;
  margin-block: 28px 72px;
  overflow: visible;
  color: #fff;
  background:
    radial-gradient(circle at 15% 10%, rgba(255, 255, 255, 0.12), transparent 20rem),
    linear-gradient(135deg, #09162c 0%, #13294a 60%, #1c365d 100%);
  border-radius: 28px;
  box-shadow: 0 28px 70px rgba(11, 24, 48, 0.22);
}

.hero::before,
.hero::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.hero::before {
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 34px 34px;
  border-radius: inherit;
  mask-image: linear-gradient(to right, transparent, #000);
}

.hero::after {
  right: 10%;
  bottom: -28px;
  width: 160px;
  height: 56px;
  background: var(--blue-dark);
  border-radius: 16px;
  opacity: 0.12;
  filter: blur(22px);
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-copy {
  align-self: center;
  padding: clamp(40px, 6vw, 76px);
}

.hero .eyebrow {
  display: inline-flex;
  margin-bottom: 20px;
  padding: 7px 11px;
  color: #d8e1ee;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  font-size: 0.66rem;
}

.hero h1 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: clamp(2.5rem, 5.3vw, 4.65rem);
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.hero p {
  max-width: 620px;
  color: #c6d0df;
  font-size: 1.02rem;
}

.hero .button-row {
  margin-top: 28px;
}

.hero .button {
  min-height: 46px;
  padding-inline: 20px;
  background: #fff;
  border-color: #fff;
  border-radius: 12px;
  color: var(--blue-dark);
}

.hero .button:hover {
  background: #e8edf4;
  border-color: #e8edf4;
}

.hero .button-secondary {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.28);
}

.hero .button-secondary:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.hero-visual {
  align-self: stretch;
  min-height: 420px;
  margin: 32px 32px 32px 0;
  padding: 26px;
  background: rgba(255, 255, 255, 0.065);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.hero-marks {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: min(100%, 340px);
  margin-bottom: 18px;
  -webkit-touch-callout: none;
  user-select: none;
}

.hero-quality-mark {
  display: block;
  flex-shrink: 0;
  width: 88px;
  height: 80px;
  margin: 0;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  opacity: 0.95;
  filter: brightness(0) invert(1);
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.hero-quality-mark-iso {
  background-image: url("../images/iso.svg");
}

.hero-quality-mark-alt {
  width: 78px;
  height: 71px;
  background-image: url("../images/ISO-10012-2013-vector.svg");
}

.process-diagram {
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.process-diagram li {
  position: relative;
  min-height: 64px;
  margin: 0;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-left: 0;
  border-radius: 14px;
  font-size: 0.8rem;
  letter-spacing: 0.01em;
}

.process-diagram li::before {
  display: none;
  content: none;
}

.process-icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.process-icon svg,
.process-icon-img {
  display: block;
  width: 18px;
  height: 18px;
}

.process-icon svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.process-icon-img {
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.button {
  border-radius: 10px;
}

.home-section {
  margin-bottom: 76px;
}

.section-intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.section-intro h2 {
  max-width: 650px;
  margin: 0;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  letter-spacing: -0.045em;
}

.section-intro p {
  max-width: 420px;
  margin: 0;
  color: var(--muted);
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 260px;
  height: 100%;
  padding: 28px;
  overflow: hidden;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 14px 38px rgba(19, 33, 57, 0.06);
}

.feature-card::after {
  position: absolute;
  right: -42px;
  bottom: -42px;
  width: 150px;
  height: 150px;
  background: var(--blue-soft);
  border-radius: 50%;
  content: "";
}

.feature-number,
.feature-icon {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 48px;
  color: #fff;
  background: var(--blue-dark);
  border-radius: 14px;
  font-size: 0.74rem;
  font-weight: 800;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-icon-img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.feature-card h3,
.feature-card p,
.feature-card a {
  position: relative;
  z-index: 1;
}

.feature-card h3 {
  font-size: 1.22rem;
}

.feature-card p {
  max-width: 330px;
  color: var(--muted);
  font-size: 0.9rem;
}

.feature-card a {
  margin-top: auto;
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}

.project-spotlight {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  min-height: 420px;
  overflow: hidden;
  color: #fff;
  background: var(--blue-dark);
  border-radius: 28px;
}

.project-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 340px;
  background:
    radial-gradient(circle at 70% 20%, rgba(255, 255, 255, 0.15), transparent 12rem),
    #152a4b;
}

.project-visual::before {
  width: 66%;
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(90deg, transparent 48%, rgba(255,255,255,.09) 50%, transparent 52%),
    linear-gradient(transparent 48%, rgba(255,255,255,.09) 50%, transparent 52%),
    rgba(255,255,255,.06);
  background-size: 42px 42px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px;
  box-shadow: 20px 22px 0 rgba(255,255,255,.04);
  content: "";
  transform: rotate(-3deg);
}

.project-copy {
  align-self: center;
  padding: clamp(34px, 6vw, 72px);
}

.project-copy h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.05em;
}

.project-copy p {
  max-width: 520px;
  color: #c6d0df;
}

.project-copy a {
  color: #fff;
  font-weight: 700;
}

.note-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.note-tile {
  display: flex;
  min-height: 150px;
  padding: 22px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.note-tile:hover {
  color: var(--blue-dark);
  box-shadow: 0 16px 34px rgba(19, 33, 57, 0.09);
  transform: translateY(-3px);
}

.note-tile span {
  align-self: flex-end;
  font-weight: 750;
}

.page-header {
  position: relative;
  margin-block: 30px 24px;
  padding: clamp(34px, 6vw, 62px);
  overflow: hidden;
  background: linear-gradient(135deg, #0a172d, #19365e);
  border-radius: 24px;
  box-shadow: 0 20px 55px rgba(11, 24, 48, 0.16);
}

.page-header::after {
  position: absolute;
  top: -90px;
  right: -70px;
  width: 280px;
  height: 280px;
  background: rgba(255, 255, 255, 0.055);
  border-radius: 50%;
  content: "";
}

.page-header h1 {
  position: relative;
  z-index: 1;
  font-size: clamp(2.2rem, 5vw, 3.7rem);
  letter-spacing: -0.05em;
}

.page-header p {
  position: relative;
  z-index: 1;
  color: #c6d0df;
}

.content-layout {
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 26px;
  padding-bottom: 70px;
}

.content-layout-single {
  display: block;
  max-width: 900px;
  margin-inline: auto;
}

.sidebar {
  position: sticky;
  top: 70px;
}

.panel,
.sidebar-panel,
.card,
.timeline-item,
details,
.article-list a {
  border-color: var(--line);
  border-radius: 16px;
}

.panel,
.timeline-item,
.card {
  box-shadow: 0 10px 32px rgba(19, 33, 57, 0.045);
}

.panel {
  overflow: hidden;
  margin-bottom: 22px;
}

.panel-heading,
.sidebar-heading {
  padding: 18px 20px;
  text-align: left;
  text-transform: none;
}

.panel-heading {
  background: #fff;
  border-bottom: 1px solid var(--line);
  font-size: 1.12rem;
}

.sidebar-heading {
  color: var(--ink);
  background: #fff;
  border-bottom: 1px solid var(--line);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.panel-body {
  padding: 24px;
}

.sidebar-panel {
  overflow: hidden;
  box-shadow: 0 8px 28px rgba(19, 33, 57, 0.04);
}

.sidebar-list a {
  padding: 10px 14px;
  border-color: var(--line);
  font-size: 0.8rem;
}

.sidebar-list a::before {
  color: #98a2b3;
}

.card {
  padding: 22px;
}

.timeline-item {
  padding: 26px;
  border-left: 1px solid var(--line);
}

.tag-list li,
.tag {
  color: var(--blue-dark);
  background: var(--blue-soft);
  border-color: #dbe2eb;
  border-radius: 999px;
}

.notice,
.placeholder {
  color: var(--warning-ink);
  background: var(--warning);
  border-left-color: #98a2b3;
  border-radius: 10px;
}

.resource-status {
  color: #52647e;
}

.site-footer {
  padding-block: 13px;
  background: #081426;
}

.footer-inner {
  justify-content: center;
  font-size: 0.76rem;
}

.footer-inner > :not(:first-child) {
  display: none;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    margin: 0 24px 24px;
    min-height: 320px;
  }

  .visual-grid {
    grid-template-columns: 1fr;
  }

  .project-spotlight {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }
}

@media (max-width: 740px) {
  .container {
    width: min(calc(100% - 24px), var(--max));
  }

  .header-inner {
    align-items: center;
    flex-direction: row;
    gap: 12px;
  }

  .header-contact {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .primary-nav.is-open {
    border-bottom: 1px solid var(--line);
  }

  .nav-list a {
    padding: 12px 4px;
  }

  .nav-mobile-only {
    display: list-item;
  }

  .nav-mobile-only + .nav-mobile-only {
    border-top: 1px solid var(--line);
  }

  .topic-list {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
  }

  .topic-list a {
    white-space: nowrap;
  }

  .hero {
    min-height: 0;
    margin-block: 18px 48px;
    border-radius: 20px;
  }

  .hero-copy {
    padding: 34px 26px;
  }

  .hero h1 {
    font-size: clamp(2.15rem, 12vw, 3.1rem);
  }

  .hero-visual {
    min-height: 0;
    margin: 0 16px 16px;
  }

  .section-intro {
    align-items: start;
    flex-direction: column;
  }

  .feature-card {
    min-height: 230px;
  }

  .note-strip {
    grid-template-columns: 1fr;
  }

  .project-copy {
    padding: 34px 26px;
  }

  .page-header {
    border-radius: 18px;
  }
}
