/* ================================================
   Stratus Rock Technologies - Site stylesheet
   Shared across homepage and all service pages
   ================================================ */

:root {
  --bg: #0a0a0b;
  --bg-elev: #111113;
  --bg-card: #131316;
  --border: #1f1f23;
  --border-bright: #2a2a30;
  --text: #ededed;
  --text-dim: #888891;
  --text-faint: #5a5a62;
  --accent: #f5a524;
  --accent-bright: #ffb83d;
  --accent-dim: rgba(245, 165, 36, 0.15);
  --good: #22c55e;
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter Tight', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(245, 165, 36, 0.05), transparent 40%),
    radial-gradient(circle at 80% 60%, rgba(245, 165, 36, 0.025), transparent 50%);
}

a { color: inherit; text-decoration: none; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 2;
}

/* ================ LOGO ================ */
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand-logo .mark {
  height: 36px;
  width: auto;
  flex-shrink: 0;
  display: block;
}
.brand-logo .wordmark {
  font-family: var(--sans);
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.brand-logo .wordmark .name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent);
}
.brand-logo .wordmark .sub {
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-top: 3px;
}

/* ================ NAV ================ */
nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(10, 10, 11, 0.75);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.nav-links {
  display: flex;
  gap: 28px;
  font-size: 14px;
  color: var(--text-dim);
}
.nav-links a { transition: color 0.15s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-cta {
  background: var(--accent);
  color: #1a0e00;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  transition: background 0.15s;
}
.nav-cta:hover { background: var(--accent-bright); }

@media (max-width: 720px) {
  .nav-links { display: none; }
}

/* ================ TYPOGRAPHY ================ */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  font-variation-settings: 'opsz' 144, 'SOFT' 30;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
h3, h4 { font-variation-settings: 'opsz' 96, 'SOFT' 30; }

h1 em, h2 em, h3 em, h4 em { font-style: italic; color: var(--accent); }

/* ================ BUTTONS ================ */
.btn-primary {
  background: var(--accent);
  color: #1a0e00;
  padding: 12px 22px;
  border-radius: 7px;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  box-shadow: 0 0 0 1px rgba(245, 165, 36, 0.4), 0 8px 24px -6px rgba(245, 165, 36, 0.35);
}
.btn-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(245, 165, 36, 0.6), 0 12px 32px -6px rgba(245, 165, 36, 0.45);
}
.btn-secondary {
  color: var(--text);
  padding: 12px 18px;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border-bright);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s, border-color 0.15s;
}
.btn-secondary:hover {
  background: var(--bg-card);
  border-color: #3a3a42;
}
.btn-secondary .arrow,
.btn-primary .arrow {
  display: inline-block;
  transition: transform 0.15s;
}
.btn-secondary:hover .arrow,
.btn-primary:hover .arrow { transform: translateX(3px); }

/* ================ SHARED PAGE LAYOUT ================ */
section { padding: 100px 0; position: relative; }

.section-label {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.section-heading {
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: 20px;
  max-width: 720px;
}
.section-sub {
  font-size: 17px;
  color: var(--text-dim);
  max-width: 580px;
  margin-bottom: 56px;
}

/* ================ HERO (homepage variant) ================ */
.hero {
  padding: 100px 0 100px;
  position: relative;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 0%, transparent 70%);
}
.hero-content { position: relative; z-index: 2; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-bright);
  padding: 6px 12px 6px 8px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 28px;
  font-family: var(--mono);
}
.eyebrow .dot {
  width: 6px; height: 6px;
  background: var(--good);
  border-radius: 50%;
  position: relative;
}
.eyebrow .dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  background: var(--good);
  border-radius: 50%;
  opacity: 0.3;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.5); opacity: 0; }
}

.hero h1 {
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1.02;
  margin-bottom: 24px;
  max-width: 900px;
}
.subhead {
  font-size: 19px;
  color: var(--text-dim);
  max-width: 620px;
  margin-bottom: 40px;
  line-height: 1.55;
}
.hero-cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

/* ================ HERO (service page variant) ================ */
.service-hero {
  padding: 80px 0 70px;
  position: relative;
  border-bottom: 1px solid var(--border);
}
.service-hero-content { max-width: 820px; position: relative; z-index: 2; }
.service-hero h1 {
  font-size: clamp(42px, 5.5vw, 68px);
  line-height: 1.05;
  margin-bottom: 24px;
}
.service-hero .subhead {
  font-size: 19px;
  color: var(--text-dim);
  max-width: 680px;
  margin-bottom: 32px;
  line-height: 1.55;
}
.service-hero-meta {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  margin-top: 16px;
}
.service-meta-item .label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.service-meta-item .value {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--text);
  font-weight: 500;
  font-variation-settings: 'opsz' 96, 'SOFT' 30;
}

/* Breadcrumbs */
.breadcrumbs {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
  margin-bottom: 32px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs .sep { margin: 0 10px; opacity: 0.5; }

/* ================ SERVICES GRID (homepage) ================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
@media (max-width: 720px) {
  .services-grid { grid-template-columns: 1fr; }
}
.service {
  background: var(--bg);
  padding: 36px 32px;
  position: relative;
  transition: background 0.2s;
  cursor: pointer;
  display: block;
}
.service:hover { background: var(--bg-elev); }
.service-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.service-num .arrow-link {
  opacity: 0;
  transform: translateX(-4px);
  transition: all 0.2s;
}
.service:hover .arrow-link {
  opacity: 1;
  transform: translateX(0);
  color: var(--accent);
}
.service h3 { font-size: 26px; margin-bottom: 10px; line-height: 1.15; letter-spacing: -0.01em; }
.service p { color: var(--text-dim); font-size: 15px; line-height: 1.6; }

/* ================ INDUSTRIES (homepage) ================ */
.industries-section { padding: 80px 0; }
.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 32px;
}
@media (max-width: 860px) { .industries-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .industries-grid { grid-template-columns: 1fr; } }
.industry {
  background: var(--bg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.industry.primary { background: linear-gradient(180deg, rgba(245, 165, 36, 0.06) 0%, var(--bg) 100%); }
.industry-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 4px;
}
.industry.primary .industry-tag { color: var(--accent); }
.industry h4 { font-size: 20px; line-height: 1.15; }
.industry p { font-size: 13px; color: var(--text-dim); line-height: 1.5; }
.industries-note {
  margin-top: 28px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.5;
}
.industries-note strong { color: var(--text); font-weight: 500; }

/* ================ DIFFERENTIATOR (homepage) ================ */
.diff-section { background: var(--bg-elev); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 860px) { .diff-grid { grid-template-columns: 1fr; gap: 48px; } }
.diff-text p { color: var(--text-dim); font-size: 16px; line-height: 1.7; margin-bottom: 16px; }
.diff-text p:last-child { margin-bottom: 0; }
.compare {
  border: 1px solid var(--border-bright);
  border-radius: 10px;
  overflow: hidden;
  font-size: 14.5px;
  background: var(--bg);
}
.compare-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}
.compare-head > div {
  padding: 14px 18px;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.compare-head > div:first-child { color: var(--text-faint); border-right: 1px solid var(--border); }
.compare-head > div:last-child { color: var(--accent); }
.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border);
}
.compare-row:last-child { border-bottom: none; }
.compare-row > div { padding: 16px 18px; line-height: 1.45; }
.compare-row > div:first-child { color: var(--text-faint); border-right: 1px solid var(--border); }
.compare-row > div:last-child { color: var(--text); }

/* ================ APPROACH (homepage) ================ */
.approach-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 720px) { .approach-list { grid-template-columns: 1fr; } }
.approach-item {
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.approach-num { font-family: var(--mono); font-size: 12px; color: var(--accent); margin-bottom: 14px; }
.approach-item h4 { font-size: 22px; margin-bottom: 8px; line-height: 1.2; }
.approach-item p { color: var(--text-dim); font-size: 14.5px; line-height: 1.6; }

/* ================ REVIEWS (homepage) ================ */
.reviews-section { background: var(--bg-elev); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.reviews-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 48px;
}
.reviews-header > div:first-child { flex: 1; min-width: 280px; }
.reviews-stat { display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.reviews-stars { display: flex; gap: 4px; color: var(--accent); font-size: 18px; font-family: var(--mono); letter-spacing: 0.1em; }
.reviews-meta { font-family: var(--mono); font-size: 11px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.08em; }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
@media (max-width: 860px) { .reviews-grid { grid-template-columns: 1fr; } }
.review-card {
  padding: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.review-card.placeholder {
  background: transparent;
  border-style: dashed;
  border-color: var(--border-bright);
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 180px;
}
.review-stars { color: var(--accent); font-size: 14px; letter-spacing: 0.15em; }
.review-text {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 400;
  font-variation-settings: 'opsz' 14, 'SOFT' 30;
  line-height: 1.45;
  color: var(--text);
  font-style: italic;
}
.review-attribution {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}
.review-card.placeholder .placeholder-text { color: var(--text-faint); font-size: 13px; line-height: 1.5; }
.reviews-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 24px;
  background: var(--bg);
  border: 1px solid var(--border-bright);
  border-radius: 10px;
  font-size: 14px;
  color: var(--text-dim);
  transition: background 0.15s, border-color 0.15s;
}
.reviews-cta:hover {
  background: var(--bg-card);
  border-color: var(--accent);
  color: var(--text);
}
.reviews-cta strong { color: var(--text); font-weight: 500; }

/* ================ CTA ================ */
.cta-section { text-align: center; padding: 120px 0; position: relative; }
.cta-heading {
  font-size: clamp(40px, 5vw, 64px);
  margin-bottom: 20px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.cta-sub {
  font-size: 18px;
  color: var(--text-dim);
  margin-bottom: 36px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}
.contact-methods {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.contact-method { text-align: left; }
.contact-method-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.contact-method-value {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  font-variation-settings: 'opsz' 96, 'SOFT' 30;
  color: var(--text);
  transition: color 0.15s;
}
.contact-method-value:hover { color: var(--accent); }

/* ================ FOOTER ================ */
footer { border-top: 1px solid var(--border); padding: 48px 0 32px; font-size: 13px; color: var(--text-faint); }
.footer-top { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; margin-bottom: 32px; }
.footer-brand { display: flex; flex-direction: column; gap: 10px; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 24px; border-top: 1px solid var(--border); }
.footer-bottom .mono { font-family: var(--mono); font-size: 11px; }

/* ================================================
   SERVICE PAGE COMPONENTS
   ================================================ */

/* Capability list */
.capabilities {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
@media (max-width: 720px) { .capabilities { grid-template-columns: 1fr; } }
.capability {
  background: var(--bg);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.capability-icon {
  width: 32px;
  height: 32px;
  border-radius: 7px;
  background: var(--accent-dim);
  border: 1px solid rgba(245, 165, 36, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 6px;
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 600;
  font-size: 13px;
}
.capability h4 { font-size: 19px; line-height: 1.2; margin-bottom: 4px; }
.capability p { color: var(--text-dim); font-size: 14px; line-height: 1.55; }

/* Pull quote / value framing block */
.value-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 32px 36px;
  margin: 48px 0;
}
.value-block p {
  font-family: var(--serif);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 400;
  font-variation-settings: 'opsz' 32, 'SOFT' 30;
  line-height: 1.4;
  color: var(--text);
  letter-spacing: -0.005em;
}
.value-block p em { color: var(--accent); font-style: italic; }

/* Two-column content (left explainer, right details) */
.split-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  margin-top: 32px;
}
@media (max-width: 860px) { .split-content { grid-template-columns: 1fr; gap: 36px; } }
.split-content h3 { font-size: 26px; margin-bottom: 16px; }
.split-content p { color: var(--text-dim); font-size: 16px; line-height: 1.7; margin-bottom: 14px; }
.split-content p:last-child { margin-bottom: 0; }
.split-content ul { list-style: none; padding: 0; }
.split-content ul li {
  color: var(--text);
  font-size: 15px;
  padding: 12px 0 12px 26px;
  border-bottom: 1px solid var(--border);
  position: relative;
  line-height: 1.5;
}
.split-content ul li:last-child { border-bottom: none; }
.split-content ul li::before {
  content: '+';
  position: absolute;
  left: 0;
  top: 11px;
  font-family: var(--mono);
  color: var(--accent);
  font-weight: 600;
  font-size: 16px;
}

/* FAQ section */
.faq-section { background: var(--bg-elev); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 880px;
}
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.15s;
}
.faq-item:hover { border-color: var(--border-bright); }
.faq-item summary {
  padding: 22px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 500;
  font-variation-settings: 'opsz' 96, 'SOFT' 30;
  color: var(--text);
  list-style: none;
  letter-spacing: -0.01em;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: var(--mono);
  font-size: 22px;
  color: var(--accent);
  font-weight: 400;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item-body {
  padding: 0 24px 24px;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.65;
}
.faq-item-body p { margin-bottom: 12px; }
.faq-item-body p:last-child { margin-bottom: 0; }

/* Related services nav (bottom of service pages) */
.related-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}
@media (max-width: 860px) { .related-services { grid-template-columns: 1fr; } }
.related-service {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: block;
  transition: border-color 0.15s, transform 0.15s;
}
.related-service:hover { border-color: var(--accent); transform: translateY(-2px); }
.related-service .label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.related-service h4 { font-size: 19px; margin-bottom: 6px; line-height: 1.2; }
.related-service p { font-size: 13.5px; color: var(--text-dim); line-height: 1.5; }