/* ============================================================
   COGMERCE DESIGN SYSTEM
   "The Architectural Authority"
   ============================================================ */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* --- Custom Properties --- */
:root {
  --bg: #FFFFFF;
  --primary: #0A1628;
  --secondary: #00C9D6;
  --secondary-dark: #006970;
  --gold: #D4A853;
  --gold-light: #ffdea6;
  --surface: #f9f9ff;
  --surface-container-low: #f0f3fe;
  --surface-container: #ebeef8;
  --surface-container-high: #e0e3ed;
  --surface-container-highest: #d5d8e2;
  --surface-container-lowest: #ffffff;
  --on-primary: #FFFFFF;
  --on-surface: #0A1628;
  --on-surface-muted: #4a5568;
  --on-surface-faint: #718096;
  --ghost-border: rgba(197, 198, 205, 0.15);
  --sp-1: 0.25rem; --sp-2: 0.5rem; --sp-3: 0.75rem; --sp-4: 1rem;
  --sp-6: 1.5rem; --sp-8: 2rem; --sp-10: 2.5rem; --sp-12: 3rem;
  --sp-16: 4rem; --sp-20: 5rem; --sp-24: 6rem; --sp-32: 8rem;
  --font-display: 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-tech: 'Space Grotesk', monospace;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --max-width: 1280px;
  --content-width: 1080px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-body); font-size: 1rem; line-height: 1.7; color: var(--on-surface); background: var(--bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.display-lg { font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.08; letter-spacing: -0.03em; color: var(--primary); }
.display-md { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 700; line-height: 1.12; letter-spacing: -0.025em; color: var(--primary); }
h1, .h1 { font-size: clamp(1.75rem, 3.5vw, 2.25rem); font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; color: var(--primary); }
h2, .h2 { font-size: clamp(1.5rem, 3vw, 1.875rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.015em; color: var(--primary); }
h3, .h3 { font-size: clamp(1.125rem, 2vw, 1.375rem); font-weight: 600; line-height: 1.3; color: var(--primary); }
h4, .h4 { font-size: 1.0625rem; font-weight: 600; line-height: 1.4; color: var(--primary); }
.body-lg { font-size: 1.0625rem; line-height: 1.75; color: var(--on-surface-muted); }
.body-md { font-size: 1rem; line-height: 1.7; color: var(--on-surface-muted); }
.body-sm { font-size: 0.875rem; line-height: 1.6; color: var(--on-surface-faint); }
.overline { font-family: var(--font-tech); font-size: 0.85rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--secondary); }
.label { font-family: var(--font-tech); font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.05em; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--sp-8); }
.container--narrow { max-width: var(--content-width); margin: 0 auto; padding: 0 var(--sp-8); }
.section { padding: var(--sp-24) 0; }
.section--surface { background: var(--surface); }
.section--dark { background: var(--primary); color: var(--on-primary); }
.section--dark .overline { color: var(--secondary); }
.section--dark h2, .section--dark h3, .section--dark .h2, .section--dark .h3 { color: var(--on-primary); }
.section--dark .body-lg, .section--dark .body-md { color: rgba(255, 255, 255, 0.75); }

.grid { display: grid; gap: var(--sp-8); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

/* Navigation */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: var(--sp-4) 0; transition: all 0.3s var(--ease); }
.nav.scrolled { background: rgba(255, 255, 255, 0.88); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); box-shadow: 0 1px 0 var(--ghost-border); }
.nav__inner { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--sp-8); display: flex; align-items: center; justify-content: space-between; }
.nav__logo { font-family: var(--font-tech); font-size: 1.25rem; font-weight: 700; letter-spacing: 0.08em; color: var(--primary); display: flex; align-items: center; gap: 0.5rem; }
.nav__logo-mark { width: 24px; height: 22px; flex-shrink: 0; }
.nav__links { display: flex; align-items: center; gap: var(--sp-8); }
.nav__link { font-family: var(--font-tech); font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.03em; color: var(--on-surface-muted); transition: color 0.2s var(--ease); position: relative; }
.nav__link:hover, .nav__link.active { color: var(--primary); }
.nav__link::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--secondary); transition: width 0.3s var(--ease); }
.nav__link:hover::after, .nav__link.active::after { width: 100%; }
.nav__cta { font-family: var(--font-tech); font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.03em; padding: var(--sp-2) var(--sp-6); background: var(--primary); color: var(--on-primary); border-radius: 0; transition: all 0.2s var(--ease); }
.nav__cta:hover { background: var(--secondary-dark); }
.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: var(--sp-2); }
.nav__toggle span { display: block; width: 24px; height: 2px; background: var(--primary); transition: all 0.3s var(--ease); }
/* Mobile nav close button (X) */
.nav__close { display: none; position: absolute; top: var(--sp-6); right: var(--sp-6); background: none; border: none; cursor: pointer; padding: var(--sp-2); }
.nav__close svg { width: 20px; height: 20px; stroke: var(--primary); stroke-width: 2; fill: none; }
/* Mobile nav overlay */
.nav__overlay { display: none; position: fixed; inset: 0; background: rgba(10, 22, 40, 0.5); z-index: 999; opacity: 0; transition: opacity 0.3s var(--ease); }
.nav__overlay.open { opacity: 1; }
@media (max-width: 768px) {
  .nav__overlay { display: block; pointer-events: none; }
  .nav__overlay.open { pointer-events: all; }
  .nav__toggle { display: flex; }
  .nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav__links { position: fixed; top: 0; right: -100%; width: 80%; max-width: 360px; height: 100vh; background: var(--bg); flex-direction: column; align-items: flex-start; padding: var(--sp-24) var(--sp-8); gap: var(--sp-6); transition: right 0.4s var(--ease); box-shadow: -24px 0 48px rgba(10, 22, 40, 0.08); z-index: 1000; }
  .nav__links.open { right: 0; }
  .nav__link { font-size: 1rem; }
  .nav__close { display: block; }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: var(--sp-2); font-family: var(--font-tech); font-size: 0.875rem; font-weight: 600; letter-spacing: 0.03em; padding: var(--sp-3) var(--sp-6); border: none; border-radius: 0; cursor: pointer; transition: all 0.2s var(--ease); white-space: nowrap; }
.btn--primary { background: var(--primary); color: var(--on-primary); }
.btn--primary:hover { background: #162640; }
.btn--secondary { background: var(--secondary-dark); color: var(--on-primary); }
.btn--secondary:hover { background: #00545a; }
.btn--ghost { background: transparent; color: var(--primary); outline: 1px solid var(--ghost-border); }
.btn--ghost:hover { outline-color: var(--primary); }
.btn--accent { background: var(--secondary); color: var(--primary); }
.btn--accent:hover { background: #00b3be; }
.btn--lg { padding: var(--sp-4) var(--sp-8); font-size: 0.9375rem; }
.btn--white { background: var(--bg); color: var(--primary); }
.btn--white:hover { background: var(--surface); }
.btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }

/* Cards */
.card { background: var(--surface-container-lowest); padding: var(--sp-8); transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease); }
.card:hover { transform: translateY(-4px); box-shadow: 0 24px 48px -12px rgba(10, 22, 40, 0.08); }
.card--flat { background: var(--surface-container-lowest); padding: var(--sp-8); }
.card--surface { background: var(--surface); padding: var(--sp-8); }

/* Badge */
.badge { display: inline-block; font-family: var(--font-tech); font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; padding: var(--sp-1) var(--sp-3); background: var(--gold-light); color: var(--primary); }
.badge--teal { background: rgba(0, 201, 214, 0.12); color: var(--secondary-dark); }
.badge--dark { background: var(--primary); color: var(--on-primary); }

/* Stats */
.stat { text-align: left; }
.stat__number { font-family: var(--font-tech); font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; letter-spacing: -0.02em; color: var(--primary); line-height: 1; }
.stat__number--accent { color: var(--secondary); }
.stat__label { font-size: 0.875rem; color: var(--on-surface-muted); margin-top: var(--sp-2); line-height: 1.4; }

/* Hero */
.hero { min-height: 100vh; display: flex; align-items: center; padding-top: var(--sp-20); padding-bottom: var(--sp-16); position: relative; overflow: hidden; }
.hero__content { max-width: 720px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-4); margin-top: var(--sp-8); }
.hero__stats { display: flex; gap: var(--sp-12); margin-top: var(--sp-16); padding-top: var(--sp-10); border-top: 1px solid var(--surface-container-high); }
@media (max-width: 640px) { .hero__stats { flex-wrap: wrap; gap: var(--sp-8); } }

/* Service Card */
.service-card { background: var(--surface-container-lowest); padding: var(--sp-10); position: relative; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease); }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 24px 48px -12px rgba(10, 22, 40, 0.08); }
.service-card__number { font-family: var(--font-tech); font-size: 3rem; font-weight: 700; color: var(--surface-container-high); line-height: 1; margin-bottom: var(--sp-4); }
.service-card__title { font-size: 1.25rem; font-weight: 700; color: var(--primary); margin-bottom: var(--sp-3); }
.service-card__desc { font-size: 0.9375rem; line-height: 1.65; color: var(--on-surface-muted); margin-bottom: var(--sp-6); }
.service-card__link { font-family: var(--font-tech); font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.03em; color: var(--secondary-dark); display: inline-flex; align-items: center; gap: var(--sp-2); transition: gap 0.2s var(--ease); }
.service-card__link:hover { gap: var(--sp-3); }
.service-card__link svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2.5; }

/* Case Study Card */
.case-card { background: var(--surface-container-lowest); overflow: hidden; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease); }
.case-card:hover { transform: translateY(-4px); box-shadow: 0 24px 48px -12px rgba(10, 22, 40, 0.08); }
.case-card__image { height: 200px; background: linear-gradient(135deg, var(--primary) 0%, #162640 100%); display: flex; align-items: center; justify-content: center; }
.case-card__image-label { font-family: var(--font-tech); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--secondary); }
.case-card__body { padding: var(--sp-8); }
.case-card__result { display: flex; align-items: baseline; gap: var(--sp-3); padding: var(--sp-4) 0; }
.case-card__result + .case-card__result { border-top: 1px solid var(--surface-container); }
.case-card__result-number { font-family: var(--font-tech); font-size: 1.375rem; font-weight: 700; color: var(--secondary-dark); white-space: nowrap; }
.case-card__result-label { font-size: 0.8125rem; color: var(--on-surface-muted); }

/* Tags */
.tag-row { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.tag { font-family: var(--font-tech); font-size: 0.6875rem; font-weight: 500; letter-spacing: 0.05em; padding: var(--sp-1) var(--sp-3); background: var(--surface-container-low); color: var(--on-surface-muted); }

/* Tier Cards */
.tier-card { background: var(--surface-container-lowest); padding: var(--sp-10); position: relative; }
.tier-card--featured { background: var(--primary); color: var(--on-primary); }
.tier-card--featured h3, .tier-card--featured h4 { color: var(--on-primary); }
.tier-card--featured .body-md, .tier-card--featured .body-sm { color: rgba(255, 255, 255, 0.75); }
.tier-card--featured .overline { color: var(--secondary); }
.tier-card__price { font-family: var(--font-tech); font-size: 1.625rem; font-weight: 700; color: var(--primary); margin: var(--sp-4) 0; }
.tier-card--featured .tier-card__price { color: var(--on-primary); }
.tier-card__timeline { font-family: var(--font-tech); font-size: 0.8125rem; color: var(--on-surface-faint); }
.tier-card--featured .tier-card__timeline { color: rgba(255, 255, 255, 0.6); }
.tier-card__list { margin-top: var(--sp-6); }
.tier-card__list li { font-size: 0.9375rem; line-height: 1.6; padding: var(--sp-2) 0; padding-left: var(--sp-6); position: relative; color: var(--on-surface-muted); }
.tier-card--featured .tier-card__list li { color: rgba(255, 255, 255, 0.8); }
.tier-card__list li::before { content: ''; position: absolute; left: 0; top: 0.75rem; width: 8px; height: 2px; background: var(--secondary); }

/* Section Header */
.section-header { max-width: 640px; margin-bottom: var(--sp-12); }
.section-header--center { text-align: center; margin-left: auto; margin-right: auto; }
.section-header .overline { margin-bottom: var(--sp-3); display: block; }
.section-header h2 { margin-bottom: var(--sp-4); }

/* Org Grid */
.org-grid { display: flex; flex-wrap: wrap; gap: var(--sp-4); align-items: center; }
.org-tag { font-family: var(--font-tech); font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.03em; padding: var(--sp-2) var(--sp-4); background: var(--surface-container-low); color: var(--on-surface-muted); }

/* Dimensions */
.dimension { padding: var(--sp-8); background: var(--surface-container-lowest); }

/* Process Steps */
.process-step { display: flex; gap: var(--sp-6); align-items: flex-start; padding: var(--sp-8) 0; }
.process-step + .process-step { border-top: 1px solid var(--surface-container); }
.process-step__number { font-family: var(--font-tech); font-size: 2.5rem; font-weight: 700; color: var(--surface-container-high); line-height: 1; flex-shrink: 0; width: 72px; }

/* Checklist */
.checklist li { position: relative; padding-left: var(--sp-6); padding-top: var(--sp-2); padding-bottom: var(--sp-2); font-size: 0.9375rem; color: var(--on-surface-muted); line-height: 1.65; }
.checklist li::before { content: ''; position: absolute; left: 0; top: 0.8rem; width: 8px; height: 2px; background: var(--secondary); }

/* CTA Banner */
.cta-banner { background: linear-gradient(135deg, var(--primary) 0%, #162640 100%); padding: var(--sp-16) var(--sp-8); text-align: center; }
.cta-banner h2 { color: var(--on-primary); margin-bottom: var(--sp-4); }
.cta-banner p { color: rgba(255, 255, 255, 0.75); max-width: 560px; margin: 0 auto var(--sp-8); }

/* Footer */
.footer { background: var(--primary); color: rgba(255, 255, 255, 0.7); padding: var(--sp-16) 0 var(--sp-8); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--sp-12); margin-bottom: var(--sp-12); }
@media (max-width: 768px) { .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--sp-8); } }
@media (max-width: 480px) { .footer__grid { grid-template-columns: 1fr; } }
.footer__brand { font-family: var(--font-tech); font-size: 1.125rem; font-weight: 700; letter-spacing: 0.08em; color: var(--on-primary); margin-bottom: var(--sp-4); display: flex; align-items: center; gap: 0.5rem; }
.footer__logo-mark { width: 20px; height: 18px; flex-shrink: 0; }
.footer__heading { font-family: var(--font-tech); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255, 255, 255, 0.5); margin-bottom: var(--sp-4); }
.footer__link { display: block; font-size: 0.875rem; padding: var(--sp-1) 0; color: rgba(255, 255, 255, 0.7); transition: color 0.2s var(--ease); }
.footer__link:hover { color: var(--secondary); }
.footer__bottom { padding-top: var(--sp-8); border-top: 1px solid rgba(255, 255, 255, 0.08); display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-4); font-size: 0.8125rem; }

/* Page Header */
.page-header { padding: var(--sp-32) 0 var(--sp-16); background: var(--surface); }
.page-header--dark { padding: var(--sp-32) 0 var(--sp-16); background: linear-gradient(135deg, var(--primary) 0%, #162640 100%); }
.page-header--dark h1, .page-header--dark .display-md { color: var(--on-primary); }
.page-header--dark .body-lg { color: rgba(255, 255, 255, 0.75); }
.page-header--dark .overline { color: var(--secondary); }

/* Detail List */
.detail-list dt { font-family: var(--font-tech); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-surface-faint); margin-bottom: var(--sp-1); }
.detail-list dd { font-size: 1rem; color: var(--on-surface); margin-bottom: var(--sp-6); }

/* Split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-16); align-items: start; }
.split--wide-left { grid-template-columns: 1.4fr 1fr; }
.split--wide-right { grid-template-columns: 1fr 1.4fr; }
@media (max-width: 768px) { .split, .split--wide-left, .split--wide-right { grid-template-columns: 1fr; gap: var(--sp-8); } }

/* Feature Block */
.feature-block { padding: var(--sp-8) 0; }
.feature-block + .feature-block { border-top: 1px solid var(--surface-container); }

/* Founder */
.founder-section { display: grid; grid-template-columns: 280px 1fr; gap: var(--sp-12); align-items: start; }
@media (max-width: 768px) { .founder-section { grid-template-columns: 1fr; gap: var(--sp-8); } }
.founder-photo { width: 100%; aspect-ratio: 1; object-fit: cover; filter: grayscale(20%); }

/* Table */
.table-wrapper { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: var(--sp-4) var(--sp-6); font-size: 0.9375rem; }
.table th { font-family: var(--font-tech); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-surface-faint); background: var(--surface); }
.table td { color: var(--on-surface-muted); background: var(--surface-container-lowest); }
.table tr + tr td { border-top: 1px solid var(--surface-container); }

/* Forms */
.form-group { margin-bottom: var(--sp-6); }
.form-label { display: block; font-family: var(--font-tech); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-surface-faint); margin-bottom: var(--sp-2); }
.form-input, .form-textarea, .form-select { width: 100%; font-family: var(--font-body); font-size: 1rem; padding: var(--sp-3) 0; background: transparent; border: none; border-bottom: 2px solid var(--surface-container-high); color: var(--on-surface); outline: none; transition: border-color 0.2s var(--ease); border-radius: 0; -webkit-appearance: none; }
.form-input:focus, .form-textarea:focus, .form-select:focus { border-bottom-color: var(--secondary); }
.form-textarea { resize: vertical; min-height: 120px; }

/* Utilities */
.mt-4 { margin-top: var(--sp-4); } .mt-6 { margin-top: var(--sp-6); } .mt-8 { margin-top: var(--sp-8); }
.mt-12 { margin-top: var(--sp-12); } .mt-16 { margin-top: var(--sp-16); }
.mb-4 { margin-bottom: var(--sp-4); } .mb-6 { margin-bottom: var(--sp-6); } .mb-8 { margin-bottom: var(--sp-8); }
.text-center { text-align: center; }
.text-secondary { color: var(--secondary); }

/* Animations */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.fade-up { opacity: 0; animation: fadeUp 0.6s var(--ease) forwards; }
.fade-up--delay-1 { animation-delay: 0.1s; }
.fade-up--delay-2 { animation-delay: 0.2s; }
.fade-up--delay-3 { animation-delay: 0.3s; }
.fade-up--delay-4 { animation-delay: 0.4s; }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.skip-link { position: absolute; top: -40px; left: 0; background: var(--primary); color: var(--on-primary); padding: var(--sp-2) var(--sp-4); z-index: 10000; font-size: 0.875rem; }
.skip-link:focus { top: 0; }

/* Cohort / Gallery Grid */
.cohort-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); }
@media (max-width: 768px) { .cohort-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .cohort-grid { grid-template-columns: 1fr; } }
.cohort-slot { aspect-ratio: 4/3; position: relative; overflow: hidden; background: var(--surface-container-low); display: flex; align-items: flex-end; }
.cohort-slot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s var(--ease); }
.cohort-slot:hover img { transform: scale(1.03); }
.cohort-slot__placeholder { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary) 0%, #1a2f50 100%); gap: var(--sp-3); }
.cohort-slot__placeholder svg { width: 36px; height: 36px; opacity: 0.2; }
.cohort-slot__placeholder-label { font-family: var(--font-tech); font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.35); }
.cohort-slot__caption { position: relative; z-index: 2; width: 100%; padding: var(--sp-3) var(--sp-4); background: linear-gradient(to top, rgba(10,22,40,0.85) 0%, transparent 100%); font-family: var(--font-tech); font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.8); }

/* Image placeholders for About / Training pages */
.img-placeholder { width: 100%; aspect-ratio: 16/9; background: linear-gradient(135deg, var(--primary) 0%, #1a2f50 100%); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--sp-3); }
.img-placeholder--square { aspect-ratio: 1; }
.img-placeholder__icon { opacity: 0.18; }
.img-placeholder__icon svg { width: 48px; height: 48px; }
.img-placeholder__text { font-family: var(--font-tech); font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.3); }

/* Dimension Cards — always single column */
.grid--dimensions { grid-template-columns: 1fr; }

/* Blog Cards */
.blog-card { background: var(--surface-container-lowest); transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease); }
.blog-card:hover { transform: translateY(-4px); box-shadow: 0 24px 48px -12px rgba(10, 22, 40, 0.08); }
.blog-card__meta { padding: var(--sp-6) var(--sp-6) 0; display: flex; gap: var(--sp-4); align-items: center; }
.blog-card__date { font-family: var(--font-tech); font-size: 0.6875rem; font-weight: 500; letter-spacing: 0.06em; color: var(--on-surface-faint); }
.blog-card__tag { font-family: var(--font-tech); font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; padding: 2px var(--sp-2); background: rgba(0,201,214,0.1); color: var(--secondary-dark); }
.blog-card__body { padding: var(--sp-4) var(--sp-6) var(--sp-8); }
.blog-card__title { font-size: 1.125rem; font-weight: 700; color: var(--primary); line-height: 1.35; margin-bottom: var(--sp-3); }
.blog-card__excerpt { font-size: 0.875rem; line-height: 1.65; color: var(--on-surface-faint); }
.blog-card__link { display: inline-flex; align-items: center; gap: var(--sp-2); font-family: var(--font-tech); font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.03em; color: var(--secondary-dark); margin-top: var(--sp-4); transition: gap 0.2s var(--ease); }
.blog-card__link:hover { gap: var(--sp-3); }
.blog-card__link svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2.5; }

/* Article page */
.article-hero { padding: var(--sp-32) 0 var(--sp-12); background: var(--surface); }
.article-body { max-width: 720px; margin: 0 auto; padding: var(--sp-12) var(--sp-8) var(--sp-24); }
.article-body h2 { font-size: clamp(1.25rem, 2.5vw, 1.625rem); font-weight: 700; color: var(--primary); margin-top: var(--sp-12); margin-bottom: var(--sp-4); line-height: 1.25; }
.article-body h3 { font-size: 1.125rem; font-weight: 600; color: var(--primary); margin-top: var(--sp-8); margin-bottom: var(--sp-3); }
.article-body p { font-size: 1.0625rem; line-height: 1.8; color: var(--on-surface-muted); margin-bottom: var(--sp-6); }
.article-body ul, .article-body ol { padding-left: var(--sp-6); margin-bottom: var(--sp-6); }
.article-body li { font-size: 1.0625rem; line-height: 1.8; color: var(--on-surface-muted); margin-bottom: var(--sp-2); }
.article-body blockquote { border-left: 3px solid var(--secondary); padding: var(--sp-4) var(--sp-6); margin: var(--sp-8) 0; background: var(--surface); }
.article-body blockquote p { color: var(--on-surface); font-style: italic; margin: 0; }
.article-body hr { border: none; border-top: 1px solid var(--surface-container-high); margin: var(--sp-12) 0; }
.article-meta { display: flex; gap: var(--sp-6); align-items: center; flex-wrap: wrap; margin-top: var(--sp-6); }
.article-meta__author { font-family: var(--font-tech); font-size: 0.8125rem; font-weight: 500; color: var(--on-surface-muted); }
.article-meta__date { font-family: var(--font-tech); font-size: 0.8125rem; color: var(--on-surface-faint); }
.article-meta__tag { font-family: var(--font-tech); font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; padding: 2px var(--sp-3); background: rgba(0,201,214,0.1); color: var(--secondary-dark); }

/* Demo Cards */
.demo-card { background: var(--surface-container-lowest); cursor: pointer; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease); display: block; text-decoration: none; color: inherit; }
.demo-card:hover { transform: translateY(-4px); box-shadow: 0 24px 48px -12px rgba(10, 22, 40, 0.1); }
.demo-card__image { width: 100%; aspect-ratio: 16/9; background: linear-gradient(135deg, var(--primary) 0%, #1a3050 100%); overflow: hidden; display: flex; align-items: center; justify-content: center; }
.demo-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s var(--ease); }
.demo-card:hover .demo-card__image img { transform: scale(1.03); }
.demo-card__image-placeholder { font-family: var(--font-tech); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--secondary); opacity: 0.6; }
.demo-card__body { padding: var(--sp-6); }
.demo-card__title { font-size: 1.125rem; font-weight: 700; color: var(--primary); margin-bottom: var(--sp-2); }
.demo-card__desc { font-size: 0.875rem; line-height: 1.6; color: var(--on-surface-faint); margin-bottom: var(--sp-4); }
.demo-card__cta { display: inline-flex; align-items: center; gap: var(--sp-2); font-family: var(--font-tech); font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.03em; color: var(--secondary-dark); transition: gap 0.2s var(--ease); }
.demo-card:hover .demo-card__cta { gap: var(--sp-3); }
.demo-card__cta svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2.5; }