/* Clearbrook Studio Brief — Stripe-Inspired Design */

:root {
  --primary: #533afd;
  --primary-deep: #4434d4;
  --primary-press: #2e2b8c;
  --primary-soft: #665efd;
  --primary-subdued: #b9b9f9;
  --brand-dark: #1c1e54;
  --ink: #0d253d;
  --ink-secondary: #273951;
  --ink-mute: #64748d;
  --canvas: #ffffff;
  --canvas-soft: #f6f9fc;
  --canvas-cream: #f5e9d4;
  --hairline: #e3e8ee;
  --hairline-input: #a8c3de;
  --on-primary: #ffffff;
  --shadow-blue: #003770;
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-pill: 9999px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--canvas);
  color: var(--ink);
  font-family: 'Inter', 'SF Pro Display', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.6;
  font-feature-settings: "ss01";
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color 150ms ease; }
a:hover { color: var(--primary-deep); }
a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

img { max-width: 100%; height: auto; display: block; border-radius: var(--r-lg); }

/* ============ LAYOUT ============ */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 1024px) { .container { padding: 0 48px; } }

/* ============ GRADIENT MESH HERO ============ */
.hero-mesh {
  background: linear-gradient(135deg,
    #f5e9d4 0%,
    #fbd4b0 15%,
    #e8d4f5 30%,
    #c5b9f9 50%,
    #533afd 75%,
    #ea2261 100%
  );
  background-size: 400% 400%;
  padding: 0 0 80px;
  position: relative;
  overflow: hidden;
}
.hero-mesh::before {
  content: '';
  position: absolute;
  top: -60px; right: -80px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(242,174,236,0.5) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
  height: 68px;
  display: flex;
  align-items: center;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  flex-shrink: 0;
}
.brand-logo:hover { color: var(--primary); }
.brand-name {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.3px;
  color: var(--ink);
}

.primary-nav { display: none; gap: 4px; }
@media (min-width: 900px) { .primary-nav { display: flex; align-items: center; } }

.primary-nav a {
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-mute);
  padding: 6px 12px;
  border-radius: var(--r-pill);
  transition: color 150ms, background 150ms;
}
.primary-nav a:hover { color: var(--ink); background: var(--canvas-soft); }
.primary-nav a.active { color: var(--primary); font-weight: 500; }

.burger-btn {
  display: flex; flex-direction: column; justify-content: space-between;
  width: 24px; height: 18px;
  background: none; border: none; cursor: pointer; padding: 0;
  flex-shrink: 0;
}
@media (min-width: 900px) { .burger-btn { display: none; } }
.burger-btn span { display: block; width: 100%; height: 2px; background: var(--ink); border-radius: 2px; }

/* ============ MOBILE NAV ============ */
.mobile-nav {
  position: fixed; top: 0; right: -280px; width: 260px; height: 100vh;
  background: var(--canvas); border-left: 1px solid var(--hairline);
  z-index: 200; padding: 20px 24px; transition: right 250ms ease;
  display: flex; flex-direction: column; gap: 0;
}
.mobile-nav.open { right: 0; }
.mobile-close {
  background: none; border: none; font-size: 28px; cursor: pointer;
  color: var(--ink-mute); align-self: flex-end; margin-bottom: 16px; line-height: 1;
}
.mobile-nav a {
  font-size: 15px; font-weight: 400; color: var(--ink);
  padding: 14px 0; border-bottom: 1px solid var(--hairline); display: block;
}
.mobile-nav a:hover { color: var(--primary); }
.nav-overlay { display: none; position: fixed; inset: 0; background: rgba(13,37,61,0.3); z-index: 150; }
.nav-overlay.open { display: block; }
body.nav-open { overflow: hidden; }

/* ============ HERO ============ */
.hero-content {
  padding: 80px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 768px) {
  .hero-content { grid-template-columns: 1fr 1fr; align-items: start; }
}

.hero-eyebrow {
  display: inline-block;
  background: var(--canvas);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3px;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  margin-bottom: 20px;
  border: 1px solid var(--primary-subdued);
}
.hero-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 300;
  line-height: 1.03;
  letter-spacing: -1.4px;
  color: var(--ink);
  margin-bottom: 20px;
}
.hero-desc {
  font-size: 17px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--ink-secondary);
  max-width: 460px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-img-wrap {
  background: var(--canvas);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: rgba(0,55,112,0.08) 0 8px 24px, rgba(0,55,112,0.04) 0 2px 6px;
  margin-top: 20px;
}
.hero-img-wrap img { width: 100%; height: 280px; object-fit: cover; border-radius: 0; }
@media (min-width: 768px) { .hero-img-wrap img { height: 320px; } }

/* ============ BUTTONS ============ */
.btn-primary {
  display: inline-flex; align-items: center;
  background: var(--primary); color: var(--on-primary);
  font-size: 16px; font-weight: 400;
  padding: 10px 20px; border-radius: var(--r-pill); border: none; cursor: pointer;
  transition: background 150ms ease;
  text-decoration: none;
}
.btn-primary:hover { background: var(--primary-deep); color: var(--on-primary); }
.btn-primary:active { background: var(--primary-press); }

.btn-secondary {
  display: inline-flex; align-items: center;
  background: var(--canvas); color: var(--primary);
  font-size: 16px; font-weight: 400;
  padding: 9px 20px; border-radius: var(--r-pill);
  border: 1px solid var(--primary); cursor: pointer;
  transition: background 150ms;
  text-decoration: none;
}
.btn-secondary:hover { background: var(--canvas-soft); color: var(--primary-deep); }

.btn-sm {
  font-size: 14px; padding: 7px 16px;
}

/* ============ SECTION ============ */
.section { padding: 80px 0; }
.section + .section { border-top: 1px solid var(--hairline); }
.section-soft { background: var(--canvas-soft); padding: 80px 0; }

.section-label {
  font-size: 12px; font-weight: 500; letter-spacing: 0.8px;
  text-transform: uppercase; color: var(--primary); margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px); font-weight: 300;
  letter-spacing: -0.8px; line-height: 1.1; color: var(--ink);
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 16px; color: var(--ink-mute); max-width: 560px; line-height: 1.6;
  margin-bottom: 48px;
}

/* ============ ARTICLE CARDS ============ */
.cards-grid {
  display: grid; grid-template-columns: 1fr; gap: 20px;
}
@media (min-width: 600px) { .cards-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .cards-grid { grid-template-columns: repeat(3, 1fr); } }

.article-card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: rgba(0,55,112,0.06) 0 1px 4px;
  transition: box-shadow 200ms, border-color 200ms;
}
.article-card:hover {
  box-shadow: rgba(0,55,112,0.12) 0 4px 16px;
  border-color: var(--primary-subdued);
}

.card-img { width: 100%; height: 200px; object-fit: cover; border-radius: 0; border: none; }

.card-body { padding: 20px 24px 24px; }
.card-tag {
  display: inline-block; background: var(--primary-subdued); color: var(--primary-deep);
  font-size: 10px; font-weight: 500; letter-spacing: 0.3px;
  text-transform: uppercase; padding: 3px 8px; border-radius: var(--r-pill);
  margin-bottom: 10px;
}
.card-title {
  font-size: 18px; font-weight: 400; letter-spacing: -0.3px; line-height: 1.3;
  color: var(--ink); margin-bottom: 10px;
}
.card-title a { color: inherit; }
.card-title a:hover { color: var(--primary); }
.card-excerpt { font-size: 14px; color: var(--ink-mute); line-height: 1.55; margin-bottom: 16px; }
.card-meta { font-size: 13px; color: var(--ink-mute); letter-spacing: -0.2px; }

/* ============ FEATURED ARTICLE ============ */
.featured-article {
  display: grid; grid-template-columns: 1fr;
  background: var(--canvas); border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: rgba(0,55,112,0.08) 0 2px 8px;
  margin-bottom: 48px;
}
@media (min-width: 768px) {
  .featured-article { grid-template-columns: 1fr 1fr; }
}
.featured-img { width: 100%; height: 300px; object-fit: cover; border-radius: 0; border: none; }
@media (min-width: 768px) { .featured-img { height: 100%; min-height: 300px; } }
.featured-body { padding: 36px; }
.featured-tag {
  display: inline-block; background: var(--primary-subdued); color: var(--primary-deep);
  font-size: 11px; font-weight: 500; letter-spacing: 0.3px; text-transform: uppercase;
  padding: 4px 10px; border-radius: var(--r-pill); margin-bottom: 16px;
}
.featured-title {
  font-size: clamp(24px, 3vw, 34px); font-weight: 300; letter-spacing: -0.6px;
  line-height: 1.2; color: var(--ink); margin-bottom: 14px;
}
.featured-title a { color: inherit; }
.featured-title a:hover { color: var(--primary); }
.featured-deck { font-size: 15px; color: var(--ink-secondary); line-height: 1.6; margin-bottom: 20px; }
.featured-meta { font-size: 13px; color: var(--ink-mute); margin-bottom: 24px; }

/* ============ GALLERY ============ */
.gallery-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
}
@media (min-width: 768px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
.gallery-item { border-radius: var(--r-lg); overflow: hidden; position: relative; }
.gallery-item img { width: 100%; height: 180px; object-fit: cover; border-radius: 0; border: none; }
.gallery-cap {
  padding: 8px 12px;
  font-size: 12px; color: var(--ink-mute); line-height: 1.4;
  background: var(--canvas-soft);
  border: 1px solid var(--hairline); border-top: none;
  border-radius: 0 0 var(--r-lg) var(--r-lg);
}

/* ============ CREAM BAND ============ */
.cream-band {
  background: var(--canvas-cream); border-radius: var(--r-lg);
  padding: 40px; margin: 48px 0;
}
.cream-band h2 {
  font-size: 26px; font-weight: 300; letter-spacing: -0.5px; color: var(--ink); margin-bottom: 12px;
}
.cream-band p { font-size: 15px; color: var(--ink-secondary); line-height: 1.6; margin-bottom: 20px; }

/* ============ ARTICLE PAGE ============ */
.article-page { padding: 48px 0 80px; }
.article-layout {
  display: grid; grid-template-columns: 1fr; gap: 48px;
}
@media (min-width: 1024px) { .article-layout { grid-template-columns: 1fr 280px; } }

.breadcrumb {
  font-size: 13px; color: var(--ink-mute); margin-bottom: 24px; letter-spacing: -0.2px;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb span { color: var(--ink-mute); }

.article-tag {
  display: inline-block; background: var(--primary-subdued); color: var(--primary-deep);
  font-size: 11px; font-weight: 500; letter-spacing: 0.3px; text-transform: uppercase;
  padding: 4px 10px; border-radius: var(--r-pill); margin-bottom: 16px;
}
.article-title {
  font-size: clamp(28px, 4vw, 48px); font-weight: 300; letter-spacing: -0.96px;
  line-height: 1.15; color: var(--ink); margin-bottom: 20px;
}
.article-summary {
  font-size: 17px; font-weight: 300; line-height: 1.7; color: var(--ink-secondary);
  border-left: 3px solid var(--primary); padding-left: 18px; margin-bottom: 24px;
}
.article-meta {
  display: flex; flex-wrap: wrap; gap: 16px;
  font-size: 13px; color: var(--ink-mute);
  padding: 16px 0; border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline);
  margin-bottom: 32px; letter-spacing: -0.2px;
}
.meta-author { color: var(--ink); font-weight: 400; }
.meta-cat {
  background: var(--primary-subdued); color: var(--primary-deep);
  font-size: 11px; font-weight: 500; letter-spacing: 0.3px; text-transform: uppercase;
  padding: 3px 8px; border-radius: var(--r-pill);
}
.reading-time {
  background: var(--canvas-soft); border: 1px solid var(--hairline);
  font-size: 11px; font-weight: 500; letter-spacing: 0.2px; text-transform: uppercase;
  padding: 3px 8px; border-radius: var(--r-pill); color: var(--ink-mute);
}

.article-hero-img {
  width: 100%; aspect-ratio: 16/9; object-fit: cover;
  border-radius: var(--r-lg); border: 1px solid var(--hairline);
  margin-bottom: 36px;
}

.toc {
  background: var(--canvas-soft); border: 1px solid var(--hairline);
  border-radius: var(--r-lg); padding: 24px; margin-bottom: 36px;
}
.toc-label {
  font-size: 11px; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase;
  color: var(--primary); margin-bottom: 14px;
}
.toc ol { list-style: decimal; padding-left: 20px; }
.toc li { margin-bottom: 8px; }
.toc a { font-size: 14px; color: var(--ink-secondary); }
.toc a:hover { color: var(--primary); }

.article-body h2 {
  font-size: 22px; font-weight: 400; letter-spacing: -0.3px; color: var(--ink);
  margin: 36px 0 14px; scroll-margin-top: 90px;
}
.article-body h3 { font-size: 18px; font-weight: 400; color: var(--ink-secondary); margin: 24px 0 10px; }
.article-body p { font-size: 16px; line-height: 1.75; color: var(--ink-secondary); margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 0 0 18px 22px; color: var(--ink-secondary); }
.article-body li { font-size: 15px; line-height: 1.65; margin-bottom: 6px; }

.key-context {
  background: var(--canvas-soft); border-left: 3px solid var(--primary);
  border-radius: 0 var(--r-lg) var(--r-lg) 0; padding: 20px 24px; margin: 28px 0;
}
.key-context .box-label {
  font-size: 11px; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase;
  color: var(--primary); margin-bottom: 10px;
}
.key-context p { color: var(--ink-secondary); margin-bottom: 0; font-size: 15px; }

.not-covered {
  background: var(--canvas-soft); border: 1px solid var(--hairline);
  border-radius: var(--r-lg); padding: 20px 24px; margin: 28px 0;
}
.not-covered .box-label {
  font-size: 11px; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase;
  color: var(--ink-mute); margin-bottom: 10px;
}
.not-covered ul { margin: 0 0 0 18px; }
.not-covered li { font-size: 14px; color: var(--ink-mute); margin-bottom: 5px; }

.sidebar-block {
  background: var(--canvas-soft); border: 1px solid var(--hairline);
  border-radius: var(--r-lg); padding: 24px;
  position: sticky; top: 90px;
}
.related-list { list-style: none; }
.related-list li { border-bottom: 1px solid var(--hairline); padding: 14px 0; }
.related-list li:last-child { border-bottom: none; }
.related-list a { font-size: 14px; color: var(--ink); }
.related-list a:hover { color: var(--primary); }
.related-list .meta { font-size: 12px; color: var(--ink-mute); margin-top: 4px; }

/* ============ STATIC PAGES ============ */
.page-hero { padding: 48px 0 32px; border-bottom: 1px solid var(--hairline); margin-bottom: 48px; }
.page-title { font-size: clamp(32px, 5vw, 48px); font-weight: 300; letter-spacing: -0.96px; line-height: 1.1; color: var(--ink); margin-bottom: 12px; }
.page-desc { font-size: 16px; color: var(--ink-mute); max-width: 560px; }

.static-content { max-width: 680px; }
.static-content h2 { font-size: 22px; font-weight: 400; letter-spacing: -0.3px; color: var(--ink); margin: 36px 0 12px; }
.static-content h3 { font-size: 17px; font-weight: 400; color: var(--ink-secondary); margin: 24px 0 8px; }
.static-content p { font-size: 15px; line-height: 1.75; color: var(--ink-secondary); margin-bottom: 16px; }
.static-content ul { margin: 0 0 16px 20px; color: var(--ink-secondary); }
.static-content li { font-size: 15px; line-height: 1.6; margin-bottom: 6px; }
.static-content a { color: var(--primary); }
.static-content a:hover { color: var(--primary-deep); }

/* ============ CONTACT ============ */
.contact-form { max-width: 520px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; color: var(--ink); margin-bottom: 6px; }
.form-group input,
.form-group textarea {
  width: 100%; background: var(--canvas);
  border: 1px solid var(--hairline-input);
  border-radius: var(--r-sm); padding: 10px 14px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 15px; font-weight: 300; color: var(--ink);
  transition: border-color 150ms;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--ink-mute); }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); }
.form-group textarea { min-height: 130px; resize: vertical; }
.form-error { font-size: 12px; color: #c0392b; margin-top: 4px; display: none; }
.form-confirmation {
  display: none; background: var(--canvas-soft); border: 1px solid var(--hairline);
  border-left: 3px solid var(--primary); border-radius: var(--r-lg); padding: 20px;
  font-size: 15px; color: var(--ink); margin-top: 16px;
}
.form-confirmation.visible { display: block; }

/* ============ FOOTER ============ */
.site-footer { background: var(--canvas); border-top: 1px solid var(--hairline); padding: 64px 0 24px; margin-top: 80px; }
.footer-inner { display: grid; grid-template-columns: 1fr; gap: 32px; margin-bottom: 40px; }
@media (min-width: 768px) { .footer-inner { grid-template-columns: 1fr auto; } }
.footer-logo { font-size: 16px; font-weight: 500; letter-spacing: -0.3px; color: var(--ink); display: block; margin-bottom: 10px; }
.footer-tagline { font-size: 13px; color: var(--ink-mute); max-width: 320px; line-height: 1.5; }
.footer-links { display: flex; gap: 40px; }
.footer-col { display: flex; flex-direction: column; gap: 8px; }
.footer-col-label { font-size: 12px; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 4px; }
.footer-col a { font-size: 14px; color: var(--ink-mute); }
.footer-col a:hover { color: var(--primary); }
.footer-legal { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; padding-top: 20px; border-top: 1px solid var(--hairline); }
.footer-legal p { font-size: 12px; color: var(--ink-mute); }
.cookie-link { font-size: 12px; color: var(--ink-mute); text-decoration: underline; text-underline-offset: 3px; }
.cookie-link:hover { color: var(--primary); }

/* ============ COOKIE BANNER ============ */
.cookie-banner {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  width: calc(100% - 40px); max-width: 640px;
  background: var(--canvas); border: 1px solid var(--hairline);
  border-radius: var(--r-xl); padding: 20px 24px;
  box-shadow: rgba(0,55,112,0.12) 0 4px 20px;
  z-index: 300; display: none;
}
.cookie-banner.show { display: block; }
.cookie-banner p { font-size: 14px; color: var(--ink-secondary); margin-bottom: 16px; line-height: 1.5; }
.cookie-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.btn-accept {
  background: var(--primary); color: var(--on-primary);
  font-size: 14px; font-weight: 400; padding: 8px 18px; border-radius: var(--r-pill);
  border: none; cursor: pointer; transition: background 150ms;
}
.btn-accept:hover { background: var(--primary-deep); }
.btn-reject {
  background: var(--canvas); color: var(--ink-mute);
  font-size: 14px; padding: 7px 18px; border-radius: var(--r-pill);
  border: 1px solid var(--hairline); cursor: pointer; transition: border-color 150ms;
}
.btn-reject:hover { border-color: var(--ink-mute); color: var(--ink); }
.cookie-settings-link { font-size: 13px; color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }

@media print { .site-header, .site-footer, .cookie-banner, .mobile-nav, .nav-overlay { display: none; } }