/* Coastal brand system: logo treatment, fonts, colors, and branded page components. */
/* Coastal brand refresh - based on the March 2023 brand identity guide. */
:root {
  --coastal-blue: #2363af;
  --coastal-green: #529535;
  --concrete-dark: #626366;
  --concrete-light: #d8dbdb;
  --bg: #f6f7f7;
  --panel: #ffffff;
  --panel-2: #f2f3f3;
  --text: #2f3032;
  --muted: #626366;
  --line: #d8dbdb;
  --soft-blue: #eef4fb;
  --soft-green: #f0f6ed;
  --soft-amber: #f5f5f3;
  --soft-red: #f5f5f3;
  --soft-purple: #eef4fb;
  --navy: #303133;
  --navy-2: #626366;
  --sky: #eef4fb;
  --danger: #8a2b36;
  --warning: #786126;
  --success: #529535;
  --shadow: none;
  --shadow-lg: none;
  --radius: 4px;
  --sidebar-w: 252px;
  --topbar-h: 68px;
}

[data-theme="dark"] {
  --bg: #f6f7f7;
  --panel: #ffffff;
  --panel-2: #f2f3f3;
  --text: #2f3032;
  --muted: #626366;
  --line: #d8dbdb;
  --soft-blue: #eef4fb;
  --soft-green: #f0f6ed;
  --soft-amber: #f5f5f3;
  --soft-red: #f5f5f3;
  --soft-purple: #eef4fb;
  --sky: #eef4fb;
  --shadow: none;
  --shadow-lg: none;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.62;
}

h1, h2, h3, h4, h5, h6,
.page-head h1, .panel-title, .metric-value, .model-name, .brand-kicker,
.home-feature-label, .home-governance-title, .nav-group {
  font-family: Lato, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

h1, h2, h3 { letter-spacing: .01em; }

.sidebar {
  width: var(--sidebar-w);
  background: #fff;
  border-right: 1px solid var(--concrete-light);
  box-shadow: none;
}

.brand {
  min-height: 116px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--concrete-light);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
}

.brand img {
  width: 196px;
  height: auto;
  object-fit: contain;
}

.nav-scroll { padding: 18px 14px 28px; }
.nav-group {
  margin: 22px 12px 7px;
  color: var(--concrete-dark);
  font-size: 10px;
  letter-spacing: .12em;
  font-weight: 700;
}
.nav-link {
  min-height: 42px;
  padding: 10px 12px;
  border-radius: 2px;
  color: #4f5154;
  font-weight: 500;
  transition: background .16s ease, color .16s ease, border-color .16s ease;
  border-left: 3px solid transparent;
}
.nav-link:hover {
  background: #f3f5f6;
  color: var(--coastal-blue);
  transform: none;
}
.nav-link.active {
  background: #eef4fb;
  color: var(--coastal-blue);
  border-left-color: var(--coastal-blue);
}
.sidebar-footer { padding: 14px 18px 20px; }
.start-card {
  border: 0;
  border-top: 1px solid var(--concrete-light);
  background: transparent;
  border-radius: 0;
  padding: 18px 4px 0;
}
.start-card:after { display: none; }
.start-card strong { color: var(--coastal-blue); font-family: Lato, sans-serif; }
.start-card p { color: var(--concrete-dark); font-size: 12px; }

.main { margin-left: var(--sidebar-w); }
.topbar {
  height: var(--topbar-h);
  background: rgba(255,255,255,.98);
  backdrop-filter: none;
  border-bottom: 1px solid var(--concrete-light);
  grid-template-columns: minmax(280px, 640px) auto;
  justify-content: space-between;
  padding: 0 36px;
}
.search-box {
  height: 40px;
  background: #fff;
  border: 1px solid var(--concrete-light);
  border-radius: 2px;
  color: var(--concrete-dark);
}
.search-box:focus-within {
  border-color: var(--coastal-blue);
  box-shadow: 0 0 0 3px rgba(35,99,175,.09);
}
.kbd { border-radius: 2px; background: #f6f7f7; }
.utility-hidden { display: none !important; }
.topbar-chatgpt { white-space: nowrap; }

.content {
  max-width: 1320px;
  padding: 42px 50px 76px;
}
.page { animation: pageIn .2s ease; }
@keyframes pageIn { from { opacity: 0; } to { opacity: 1; } }

.page-head {
  margin: 2px 0 34px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--concrete-light);
}
.page-head h1 {
  font-size: clamp(34px, 4vw, 50px);
  line-height: 1.08;
  letter-spacing: .01em;
  font-weight: 900;
  color: var(--coastal-blue);
}
.page-head p {
  max-width: 770px;
  margin-top: 12px;
  color: var(--concrete-dark);
  font-size: 17px;
}
.eyebrow {
  color: var(--coastal-green);
  font-size: 11px;
  letter-spacing: .14em;
  font-weight: 800;
}

.btn {
  min-height: 40px;
  border-radius: 2px;
  padding: 9px 16px;
  font-weight: 700;
  box-shadow: none !important;
}
.btn:hover { transform: none; }
.btn-primary { background: var(--coastal-blue); color: #fff; border-color: var(--coastal-blue); }
.btn-primary:hover { background: #1d5597; border-color: #1d5597; }
.btn-secondary { background: #fff; color: var(--coastal-blue); border-color: var(--concrete-light); }
.btn-secondary:hover { border-color: var(--coastal-blue); background: #f8fbff; }
.btn-light { background: #fff; color: var(--coastal-blue); border-color: #fff; }
.btn-light:hover { background: #f5f5f5; }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.78); }
.btn-outline-light:hover { background: rgba(255,255,255,.1); }
.link { color: var(--coastal-blue); font-weight: 700; }

.panel, .card, .metric, .course-card, .tool-card, .prompt-card, .video-card,
.model-card, .stage-card, .department-card,
.leader-board, .form-card, .governance-card {
  border: 1px solid var(--concrete-light) !important;
  border-radius: 4px !important;
  box-shadow: none !important;
  background: #fff;
}
.panel, .card { padding: 24px; }
.section { margin-top: 48px; }
.section-head { margin-bottom: 20px; }
.section-head h2, .panel h2, .card h2 { color: #353638; }
.panel-title { color: var(--coastal-blue); font-weight: 800; }

.icon-tile {
  border-radius: 2px;
  background: #eef4fb !important;
  color: var(--coastal-blue) !important;
  box-shadow: none !important;
}
.tone-green { background: #f0f6ed !important; color: var(--coastal-green) !important; }
.tone-blue, .tone-purple, .tone-orange, .tone-teal, .tone-red { background: #eef4fb !important; color: var(--coastal-blue) !important; }

.chip {
  border-radius: 2px;
  background: #f3f4f4;
  border: 1px solid var(--concrete-light);
  color: #55575a;
}
.status { border-radius: 2px; box-shadow: none; }
.prompt-box {
  border-radius: 2px;
  border: 1px solid var(--concrete-light);
  border-left: 4px solid var(--coastal-green);
  background: #f8f9f9;
  color: #3b3c3e;
}
.notice {
  border-radius: 2px;
  border: 1px solid var(--concrete-light);
  background: #f4f7fa;
  color: var(--text);
}
.notice.warning { background: #f7f6f1; color: var(--text); }
.formula { border-radius: 4px; background: var(--coastal-blue); box-shadow: none; }
.progress, .progress span { border-radius: 0; }
.progress span { background: var(--coastal-green); }

.brand-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, .75fr);
  min-height: 330px;
  border: 1px solid var(--concrete-light);
  background: #fff;
  overflow: hidden;
}
.brand-hero-copy {
  background: var(--coastal-blue);
  color: #fff;
  padding: 54px 58px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.brand-kicker {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-bottom: 9px;
  color: rgba(255,255,255,.82);
}
.brand-hero h1 {
  margin: 0;
  color: #fff;
  font-family: Lato, "Helvetica Neue", sans-serif;
  font-size: clamp(52px, 6vw, 76px);
  font-weight: 900;
  line-height: .98;
  letter-spacing: .01em;
}
.brand-hero-copy > p {
  max-width: 690px;
  margin: 22px 0 0;
  color: rgba(255,255,255,.9);
  font-size: 19px;
  line-height: 1.55;
}
.brand-hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 30px; }
.brand-hero-aside {
  position: relative;
  padding: 42px 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    linear-gradient(rgba(255,255,255,.94), rgba(255,255,255,.94)),
    url('../assets/concrete-texture.jpg') center/cover;
}
.brand-hero-aside:before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 7px;
  background: var(--coastal-green);
}
.hero-aside-label {
  color: var(--coastal-blue);
  font-family: Lato, sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.hero-aside-list { margin: 0; padding: 0; list-style: none; }
.hero-aside-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--concrete-light);
}
.hero-aside-list li:last-child { border-bottom: 1px solid var(--concrete-light); }
.hero-aside-list li > span {
  color: var(--coastal-green);
  font-family: Lato, sans-serif;
  font-weight: 900;
  font-size: 13px;
  letter-spacing: .06em;
}
.hero-aside-list strong { display: block; color: #363739; font-family: Lato, sans-serif; font-size: 18px; }
.hero-aside-list small { display: block; color: var(--concrete-dark); margin-top: 2px; font-size: 13px; }

.home-section { margin-top: 54px; }
.home-section-head {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: end;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--concrete-light);
}
.home-section-head h2 {
  margin: 0;
  font-family: Lato, sans-serif;
  font-size: 30px;
  line-height: 1.15;
  color: #363739;
}
.home-section-head p { margin: 0; max-width: 420px; color: var(--concrete-dark); text-align: right; }

.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.quick-card {
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--concrete-light);
  border-radius: 4px;
  background: #fff;
  box-shadow: none;
  transition: border-color .16s ease, background .16s ease;
}
.quick-card:hover {
  transform: none;
  border-color: var(--coastal-blue);
  background: #fbfdff;
}
.quick-card .icon-tile { width: 44px; height: 44px; margin-bottom: 24px; }
.quick-card h3 { margin: 0 0 8px; font-size: 19px; color: #343638; }
.quick-card p { margin: 0; color: var(--concrete-dark); font-size: 14px; }
.quick-card:after { content: "Explore"; display: block; margin-top: 20px; color: var(--coastal-blue); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }


.home-feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
  gap: 24px;
}
.home-feature-card {
  border: 1px solid var(--concrete-light);
  background: #fff;
  padding: 30px;
}
.home-feature-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--coastal-blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.home-feature-card h2 {
  margin: 14px 0 10px;
  color: #343638;
  font-family: Lato, sans-serif;
  font-size: 27px;
  line-height: 1.2;
}
.home-feature-card > p { color: var(--concrete-dark); margin: 0 0 18px; }
.home-card-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 18px; }
.home-tip-card { border-top: 5px solid var(--coastal-green); }
.tip-example { margin: 22px 0; padding: 18px; background: #f6f7f7; border-left: 3px solid var(--coastal-blue); }
.tip-example span { color: var(--concrete-dark); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.tip-example p { margin: 4px 0 14px; color: #383a3c; font-size: 14px; }
.tip-example p:last-child { margin-bottom: 0; }

.home-governance {
  margin-top: 54px;
  padding: 28px 32px;
  background: var(--concrete-dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border-left: 7px solid var(--coastal-green);
}
.home-governance-title { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 21px; }
.home-governance p { margin: 6px 0 0; color: rgba(255,255,255,.82); max-width: 760px; }
.home-render-targets { display: none !important; }

.metric-grid { gap: 16px; }
.metric { padding: 20px; }
.model-card.recommended { border-top: 4px solid var(--coastal-green) !important; background: #fff; }
.tabs { border-radius: 2px; background: #f3f4f4; }
.tab { border-radius: 2px; }
.tab.active { background: var(--coastal-blue); color: #fff; }
.filter-chip { border-radius: 2px; }
.filter-chip.active { background: var(--coastal-blue); color: #fff; border-color: var(--coastal-blue); }
.lifecycle { gap: 16px; }
.stage-card { border-top: 4px solid var(--coastal-blue) !important; }
.stage-card[style*="#529535"] { border-top-color: var(--coastal-green) !important; }
.stage-card[style*="#d98712"], .stage-card[style*="#7954c7"] { border-top-color: var(--concrete-dark) !important; }
.video-thumb, .course-visual { border-radius: 0; }
.footer { border-top: 1px solid var(--concrete-light); color: var(--concrete-dark); }

@media (max-width: 1180px) {
  .brand-hero { grid-template-columns: 1fr; }
  .brand-hero-aside { padding: 28px 38px 34px; }
  .hero-aside-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .hero-aside-list li { display: block; border-bottom: 1px solid var(--concrete-light); }
  .hero-aside-list li > span { display: block; margin-bottom: 8px; }
  .quick-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 980px) {
  .sidebar { transform: translateX(-102%); }
  .sidebar.open { transform: none; }
  .main { margin-left: 0; width: 100%; }
  .topbar {
    grid-template-columns: auto minmax(0, 1fr) auto;
    justify-content: stretch;
    gap: 10px;
    padding: 0 22px;
  }
  .mobile-menu { display: grid; border-radius: 2px; }
  .search-wrap { grid-column: 2; min-width: 0; }
  .content { padding: 32px 28px 64px; }
  .home-feature-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .content { padding: 24px 18px 48px; }
  .topbar { padding: 0 14px; }
  .topbar-chatgpt { display: none; }
  .brand-hero-copy { padding: 40px 28px; }
  .brand-hero h1 { font-size: 54px; }
  .brand-hero-copy > p { font-size: 17px; }
  .brand-hero-aside { padding: 26px 28px 30px; }
  .hero-aside-list { grid-template-columns: 1fr; gap: 0; }
  .quick-grid { grid-template-columns: 1fr; }
  .quick-card { min-height: auto; }
  .home-section-head { display: block; }
  .home-section-head p { text-align: left; margin-top: 9px; }
  .home-feature-card { padding: 24px; }
  .home-governance { display: block; padding: 26px 24px; }
  .home-governance .btn { margin-top: 18px; }
  .page-head { display: block; }
  .page-actions { margin-top: 18px; }
}