/* ── RESET & BASE ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  background: #fff;
  color: #334;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── TOKENS ────────────────────────────────────────────────── */
:root {
  --navy:       #0a1628;
  --navy-mid:   #0d1f33;
  --navy-light: #122a40;
  --blue:       #1E5F8A;
  --current:    #2E8BC0;
  --stream:     #7EC8E3;
  --green:      #10B981;
  --slate-50:   #f4f6f8;
  --slate-100:  #e8edf2;
  --slate-200:  #d0dae2;
  --slate-400:  #8aabbb;
  --slate-500:  #6b7c88;
  --slate-600:  #445566;
  --slate-900:  #0d1117;
  --text-dark:  #0a1628;
  --text-body:  #3d4f5c;
  --text-muted: #6a8898;
}

/* ── NAV ───────────────────────────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,22,40,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(126,200,227,0.08);
  transition: box-shadow 0.2s;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 40px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; overflow: hidden;
}
.nav-logo-icon {
  width: 35px; height: 35px; flex-shrink: 0;
}
.nav-logo-text {
  font-size: 16px; font-weight: 700; color: #fff; letter-spacing: -0.4px;
  white-space: nowrap; max-width: 240px; overflow: hidden;
}
#navbar.compact .nav-logo-text {
  max-width: 0; opacity: 0; visibility: hidden;
}
#navbar.compact .nav-logo { gap: 0; }
.nav-links {
  display: flex; align-items: center; gap: 32px;
}
.nav-links a {
  font-size: 15px; font-weight: 500; color: var(--slate-400);
  text-decoration: none; letter-spacing: 0.1px;
  transition: color 0.15s;
}
.nav-links a:hover { color: #fff; }
.nav-links a.nav-cta {
  background: var(--current); color: #fff;
  font-size: 15px; font-weight: 600;
  padding: 8px 20px; border-radius: 4px;
  text-decoration: none; letter-spacing: 0.1px;
  transition: background 0.15s;
  white-space: nowrap;
}
.nav-links a.nav-cta:hover { background: #3a9bd4; }

/* ── HERO ──────────────────────────────────────────────────── */
.hero {
  background: var(--navy);
  padding: 140px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero-rivers {
  position: absolute; inset: 0; pointer-events: none;
}
.hero-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 40px;
  display: grid; grid-template-columns: 1fr 380px; gap: 60px;
  align-items: center; position: relative;
}
.hero-eyebrow {
  font-size: 10px; font-weight: 600; letter-spacing: 3px;
  text-transform: uppercase; color: var(--stream);
  opacity: 0.7; margin-bottom: 24px;
}
.hero-h1 {
  font-size: clamp(38px, 5vw, 56px);
  font-weight: 700; color: #fff;
  line-height: 1.05; letter-spacing: -2px;
  margin-bottom: 24px;
}
.hero-h1 em {
  font-style: normal;
  color: var(--stream);
}
.hero-sub {
  font-size: 16px; color: var(--slate-400);
  line-height: 1.7; max-width: 440px; margin-bottom: 36px;
  font-weight: 400;
}
.hero-actions {
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex; align-items: center;
  background: var(--current); color: #fff;
  font-size: 14px; font-weight: 600; padding: 13px 26px;
  border-radius: 4px; text-decoration: none; letter-spacing: 0.1px;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary:hover { background: #3a9bd4; transform: translateY(-1px); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--stream); font-size: 14px; font-weight: 500;
  text-decoration: none; border-bottom: 1px solid rgba(126,200,227,0.3);
  padding-bottom: 2px; transition: border-color 0.15s;
}
.btn-ghost:hover { border-color: var(--stream); }

/* Hero right: stat panel */
.hero-panel {
  background: var(--navy-mid);
  border: 1px solid rgba(126,200,227,0.1);
  border-radius: 8px; padding: 32px 28px;
}
.hero-panel-label {
  font-size: 9px; font-weight: 600; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--slate-400); margin-bottom: 24px;
}
.hero-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.hero-stat-num {
  font-size: 36px; font-weight: 700; color: #fff;
  letter-spacing: -1.5px; line-height: 1;
}
.hero-stat-num span { font-size: 20px; color: var(--stream); }
.hero-stat-label {
  font-size: 11px; color: var(--slate-400); margin-top: 6px; line-height: 1.4;
}
.hero-panel-divider {
  height: 1px; background: rgba(126,200,227,0.08); margin: 24px 0;
}
.hero-panel-note {
  font-size: 11px; color: var(--slate-500); line-height: 1.6;
  display: flex; align-items: flex-start; gap: 8px;
}
.hero-panel-note::before {
  content: ''; display: block; width: 6px; height: 6px;
  border-radius: 50%; background: var(--green);
  flex-shrink: 0; margin-top: 4px;
}

/* ── TECH STRIP ───────────────────────────────────────────── */
.tech-strip {
  background: var(--navy-mid);
  border-top: 1px solid rgba(126,200,227,0.06);
  border-bottom: 1px solid rgba(126,200,227,0.06);
  padding: 20px 0;
}
.tech-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 40px;
  display: flex; align-items: center; gap: 0;
}
.tech-label {
  font-size: 9px; font-weight: 600; letter-spacing: 2.5px;
  text-transform: uppercase; color: rgba(126,200,227,0.35);
  flex-shrink: 0; margin-right: 36px; white-space: nowrap;
}
.tech-logos {
  display: flex; align-items: center; gap: 28px; flex-wrap: wrap;
}
.tech-logo-item {
  display: flex; align-items: center; gap: 8px;
  opacity: 0.45; transition: opacity 0.15s;
}
.tech-logo-item:hover { opacity: 0.75; }
.tech-logo-item img {
  height: 18px; width: auto; object-fit: contain;
  filter: brightness(0) invert(1);
}
.tech-logo-item span {
  font-size: 11px; font-weight: 500; color: #fff; white-space: nowrap;
}

/* ── SECTION WRAPPER ──────────────────────────────────────── */
.section { padding: 88px 0; }
.section-alt { background: var(--slate-50); }
.section-dark { background: var(--navy); }
.section-inner { max-width: 1200px; margin: 0 auto; padding: 0 40px; }

.section-eyebrow {
  font-size: 9px; font-weight: 600; letter-spacing: 3px;
  text-transform: uppercase; color: var(--current); margin-bottom: 14px;
}
.section-h2 {
  font-size: clamp(28px, 3.5vw, 40px); font-weight: 700;
  color: var(--text-dark); letter-spacing: -1.2px; line-height: 1.1;
}
.section-h2-white { color: #fff; }
.section-sub {
  font-size: 15px; color: var(--text-body); line-height: 1.7;
  max-width: 560px; margin-top: 14px;
}

/* ── PROBLEMS ─────────────────────────────────────────────── */
.problems-layout {
  display: grid; grid-template-columns: 280px 1fr; gap: 64px;
  align-items: flex-start;
}
.problems-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
}
.problem-item {
  padding: 28px 0;
  border-top: 1px solid var(--slate-100);
}
.problem-item:nth-child(odd) { padding-right: 32px; border-right: 1px solid var(--slate-100); }
.problem-item:nth-child(even) { padding-left: 32px; }
.problem-item:nth-child(1),
.problem-item:nth-child(2) { border-top: 2px solid var(--text-dark); }
.problem-icon {
  width: 32px; height: 32px; border-radius: 6px;
  background: rgba(220,60,60,0.08); border: 1px solid rgba(220,60,60,0.15);
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.problem-title {
  font-size: 15px; font-weight: 700; color: var(--text-dark);
  margin-bottom: 8px; letter-spacing: -0.3px;
}
.problem-desc {
  font-size: 13px; color: var(--text-body); line-height: 1.65;
}

/* ── SERVICES ─────────────────────────────────────────────── */
.services-header {
  display: flex; align-items: baseline; justify-content: space-between;
  border-bottom: 2px solid var(--text-dark); padding-bottom: 16px; margin-bottom: 0;
}
.services-count {
  font-size: 11px; color: var(--text-muted); font-weight: 500;
}
.service-row {
  display: grid; grid-template-columns: 64px 1fr 120px 80px;
  gap: 24px; align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--slate-100);
  transition: background 0.15s;
  cursor: pointer;
}
.service-row:hover { background: var(--slate-50); margin: 0 -20px; padding-left: 20px; padding-right: 20px; }
.service-num {
  font-size: 28px; font-weight: 700; color: var(--slate-200);
  letter-spacing: -1px; line-height: 1;
}
.service-body {}
.service-title {
  font-size: 18px; font-weight: 700; color: var(--text-dark);
  letter-spacing: -0.4px; margin-bottom: 6px;
}
.service-desc {
  font-size: 13px; color: var(--text-body); line-height: 1.65;
}
.service-badge {
  font-size: 10px; font-weight: 600; color: var(--current);
  background: rgba(46,139,192,0.08); border: 1px solid rgba(46,139,192,0.2);
  padding: 4px 12px; border-radius: 20px; white-space: nowrap; text-align: center;
}
.service-arrow {
  font-size: 18px; color: var(--slate-200); text-align: right;
  transition: color 0.15s, transform 0.15s;
}
.service-row:hover .service-arrow { color: var(--current); transform: translateX(4px); }

/* ── CASE STUDIES ─────────────────────────────────────────── */
.case-studies-header {
  display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 36px;
}
.case-link {
  font-size: 12px; color: var(--stream); font-weight: 500;
  text-decoration: none; border-bottom: 1px solid rgba(126,200,227,0.3);
  transition: border-color 0.15s;
}
.case-link:hover { border-color: var(--stream); }
.cases-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px;
}
.case-card {
  background: var(--navy-mid);
  border: 1px solid rgba(126,200,227,0.08);
  border-radius: 6px; overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
  cursor: pointer;
}
.case-card:hover {
  border-color: rgba(126,200,227,0.22);
  transform: translateY(-3px);
}
.case-card-img {
  height: 120px;
  background: repeating-linear-gradient(
    135deg,
    rgba(30,95,138,0.15) 0px, rgba(30,95,138,0.15) 1px,
    transparent 1px, transparent 20px
  );
  border-bottom: 1px solid rgba(126,200,227,0.06);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.case-card-img-label {
  font-size: 11px; color: rgba(126,200,227,0.25); font-weight: 500;
}
.case-card-body { padding: 22px; }
.case-tag {
  font-size: 9px; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: var(--current); margin-bottom: 10px;
}
.case-title {
  font-size: 15px; font-weight: 700; color: #e8f0f4;
  letter-spacing: -0.3px; line-height: 1.35; margin-bottom: 12px;
}
.case-outcomes {
  display: flex; flex-direction: column; gap: 5px;
}
.case-outcome {
  font-size: 11px; font-weight: 600; color: var(--green);
  display: flex; align-items: center; gap: 6px;
}
.case-outcome::before { content: '↑'; }

/* ── WHY ──────────────────────────────────────────────────── */
.why-layout {
  display: grid; grid-template-columns: 280px 1fr; gap: 64px;
  align-items: flex-start;
}
.why-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
}
.why-item {
  padding: 26px 0;
  border-top: 1px solid var(--slate-100);
  display: flex; gap: 14px; align-items: flex-start;
}
.why-item:nth-child(odd) { padding-right: 32px; border-right: 1px solid var(--slate-100); }
.why-item:nth-child(even) { padding-left: 32px; }
.why-item:nth-child(1),
.why-item:nth-child(2) { border-top: 2px solid var(--text-dark); }
.why-check {
  width: 20px; height: 20px; border-radius: 50%;
  background: rgba(16,185,129,0.1); border: 1.5px solid rgba(16,185,129,0.3);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 2px;
  color: var(--green); font-size: 10px; font-weight: 700;
}
.why-title {
  font-size: 14px; font-weight: 700; color: var(--text-dark); margin-bottom: 5px;
}
.why-desc { font-size: 12px; color: var(--text-body); line-height: 1.6; }

/* ── PROCESS ──────────────────────────────────────────────── */
.process-header {
  display: flex; align-items: baseline; justify-content: space-between;
  border-bottom: 2px solid var(--text-dark); padding-bottom: 16px; margin-bottom: 0;
}
.process-steps {
  display: grid; grid-template-columns: repeat(5, 1fr);
}
.process-step {
  padding: 32px 0 8px;
  border-left: 1px solid var(--slate-100);
  padding-left: 24px;
}
.process-step:first-child { border-left: 2px solid var(--text-dark); }
.process-step-num {
  font-size: 10px; font-weight: 700; letter-spacing: 1.5px;
  color: var(--slate-200); margin-bottom: 14px;
}
.process-step-title {
  font-size: 15px; font-weight: 700; color: var(--text-dark);
  margin-bottom: 8px; letter-spacing: -0.3px;
}
.process-step-title.final { color: var(--green); }
.process-step-desc {
  font-size: 12px; color: var(--text-body); line-height: 1.65;
  padding-right: 16px;
}

/* ── CTA ──────────────────────────────────────────────────── */
.cta-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 40px;
  display: grid; grid-template-columns: 1fr auto; gap: 60px;
  align-items: center;
}
.cta-h2 {
  font-size: clamp(28px, 3.5vw, 40px); font-weight: 700;
  color: #fff; letter-spacing: -1.2px; line-height: 1.1;
  margin-bottom: 14px;
}
.cta-sub { font-size: 14px; color: var(--stream); line-height: 1.7; opacity: 0.8; }
.cta-actions { display: flex; flex-direction: column; gap: 12px; align-items: flex-end; flex-shrink: 0; }
.btn-cta-primary {
  display: inline-flex; align-items: center;
  background: #fff; color: var(--text-dark);
  font-size: 13px; font-weight: 700; padding: 13px 26px;
  border-radius: 4px; text-decoration: none; white-space: nowrap;
  transition: background 0.15s;
}
.btn-cta-primary:hover { background: var(--slate-50); }
.btn-cta-ghost {
  display: inline-flex; align-items: center;
  border: 1px solid rgba(255,255,255,0.15); color: rgba(255,255,255,0.7);
  font-size: 13px; font-weight: 500; padding: 13px 26px;
  border-radius: 4px; text-decoration: none; white-space: nowrap;
  transition: border-color 0.15s;
}
.btn-cta-ghost:hover { border-color: rgba(255,255,255,0.35); }

/* ── FOOTER ───────────────────────────────────────────────── */
footer {
  background: var(--slate-900);
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 56px 0 24px;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 40px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px;
}
.footer-brand-logo {
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
.footer-brand-text { font-size: 15px; font-weight: 700; color: #fff; }
.footer-brand-desc { font-size: 12px; color: var(--slate-500); line-height: 1.7; max-width: 240px; }
.footer-col-title { font-size: 11px; font-weight: 700; color: rgba(255,255,255,0.6); margin-bottom: 14px; letter-spacing: 0.2px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a {
  font-size: 12px; color: var(--slate-500); text-decoration: none;
  transition: color 0.15s;
}
.footer-col ul li a:hover { color: rgba(255,255,255,0.8); }
.footer-col ul li span { font-size: 12px; color: var(--slate-500); }
.footer-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
  margin-bottom: 24px;
}
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy { font-size: 11px; color: var(--slate-500); }
.footer-tagline { font-size: 11px; color: rgba(255,255,255,0.18); }


/* ── INNER PAGE HERO (smaller than homepage) ──────────────── */
.page-hero {
  background: var(--navy);
  padding: 130px 0 70px;
  position: relative;
  overflow: hidden;
}
.page-hero-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 40px;
  position: relative;
}
.page-hero-eyebrow {
  font-size: 10px; font-weight: 600; letter-spacing: 3px;
  text-transform: uppercase; color: var(--stream);
  opacity: 0.7; margin-bottom: 20px;
}
.page-hero-h1 {
  font-size: clamp(36px, 4.5vw, 52px);
  font-weight: 700; color: #fff;
  line-height: 1.05; letter-spacing: -2px;
  max-width: 800px;
}
.page-hero-h1 em { font-style: normal; color: var(--stream); }
.page-hero-sub {
  font-size: 15px; color: var(--slate-400);
  line-height: 1.7; max-width: 620px;
  margin-top: 20px;
  font-weight: 400;
}

/* breadcrumb */
.breadcrumb {
  font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase;
  color: rgba(126,200,227,0.5); margin-bottom: 28px; font-weight: 600;
}
.breadcrumb a { color: rgba(126,200,227,0.5); text-decoration: none; }
.breadcrumb a:hover { color: var(--stream); }
.breadcrumb span { color: rgba(126,200,227,0.25); margin: 0 8px; }

/* ── DETAIL ROW (services / case studies) ─────────────────── */
.detail-row {
  display: grid; grid-template-columns: 220px 1fr;
  gap: 60px;
  padding: 56px 0;
  border-bottom: 1px solid var(--slate-100);
  align-items: flex-start;
}
.detail-row:first-of-type { border-top: 2px solid var(--text-dark); }
.detail-num {
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  color: var(--current); text-transform: uppercase;
}
.detail-tag {
  font-size: 9px; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: var(--text-muted); margin-top: 8px;
  display: inline-block;
}
.detail-title {
  font-size: 26px; font-weight: 700; color: var(--text-dark);
  letter-spacing: -1px; line-height: 1.15; margin-bottom: 16px;
}
.detail-lede {
  font-size: 16px; color: var(--text-dark); line-height: 1.6;
  margin-bottom: 22px; font-weight: 500;
  font-style: italic;
  border-left: 2px solid var(--current); padding-left: 18px;
}
.detail-body {
  font-size: 14px; color: var(--text-body); line-height: 1.75;
  margin-bottom: 18px;
}
.detail-meta {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding-top: 24px; margin-top: 8px;
  border-top: 1px solid var(--slate-100);
}
.detail-meta-item-label {
  font-size: 9px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 6px;
}
.detail-meta-item-value {
  font-size: 13px; font-weight: 600; color: var(--text-dark); line-height: 1.4;
}
.detail-list {
  list-style: none; display: flex; flex-direction: column; gap: 10px;
  margin-top: 8px;
}
.detail-list li {
  font-size: 13px; color: var(--text-body); line-height: 1.65;
  padding-left: 20px; position: relative;
}
.detail-list li::before {
  content: '—'; position: absolute; left: 0; color: var(--current); font-weight: 700;
}
.detail-h3 {
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--text-muted);
  margin-top: 20px; margin-bottom: 8px;
}

/* ── ABOUT ─────────────────────────────────────────────────── */
.about-lede {
  font-size: 22px; line-height: 1.5; color: var(--text-dark);
  font-weight: 500; max-width: 820px; letter-spacing: -0.4px;
  margin-bottom: 20px;
}
.about-lede em {
  font-style: italic; color: var(--current);
}
.about-prose {
  max-width: 720px;
}
.about-prose p {
  font-size: 15px; color: var(--text-body); line-height: 1.8;
  margin-bottom: 18px;
}

.beliefs-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  margin-top: 20px;
}
.belief-item {
  padding: 28px 0;
  border-top: 1px solid var(--slate-100);
}
.belief-item:nth-child(odd) { padding-right: 36px; border-right: 1px solid var(--slate-100); }
.belief-item:nth-child(even) { padding-left: 36px; }
.belief-item:nth-child(1),
.belief-item:nth-child(2) { border-top: 2px solid var(--text-dark); }
.belief-num {
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  color: var(--current); margin-bottom: 12px;
}
.belief-title {
  font-size: 18px; font-weight: 700; color: var(--text-dark);
  letter-spacing: -0.4px; margin-bottom: 10px;
}
.belief-desc {
  font-size: 14px; color: var(--text-body); line-height: 1.7;
}

/* ── CONTACT ──────────────────────────────────────────────── */
.contact-grid {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 80px;
  align-items: flex-start;
}
.contact-form {
  display: flex; flex-direction: column; gap: 20px;
}
.contact-field {
  display: flex; flex-direction: column; gap: 6px;
}
.contact-label {
  font-size: 10px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--text-muted);
}
.contact-input, .contact-textarea, .contact-select {
  background: #fff; border: 1px solid var(--slate-200);
  border-radius: 4px; padding: 12px 14px;
  font-family: inherit; font-size: 14px; color: var(--text-dark);
  transition: border-color 0.15s;
}
.contact-input:focus, .contact-textarea:focus, .contact-select:focus {
  border-color: var(--current); outline: none;
}
.contact-textarea { resize: vertical; min-height: 120px; }
.contact-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.contact-info-card {
  background: var(--slate-50);
  border: 1px solid var(--slate-100);
  border-radius: 6px; padding: 28px;
}
.contact-info-block {
  padding: 18px 0;
  border-bottom: 1px solid var(--slate-100);
}
.contact-info-block:first-child { padding-top: 0; }
.contact-info-block:last-child { border-bottom: none; padding-bottom: 0; }
.contact-info-label {
  font-size: 10px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 6px;
}
.contact-info-value {
  font-size: 15px; font-weight: 600; color: var(--text-dark); line-height: 1.5;
}
.contact-info-sub {
  font-size: 12px; color: var(--text-body); margin-top: 4px;
}
.contact-submit-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 8px;
}
.btn-submit {
  background: var(--current); color: #fff;
  font-size: 14px; font-weight: 600; padding: 13px 28px;
  border-radius: 4px; border: none; cursor: pointer;
  font-family: inherit; letter-spacing: 0.1px;
  transition: background 0.15s;
}
.btn-submit:hover { background: #3a9bd4; }
.contact-disclaimer {
  font-size: 12px; color: var(--text-muted); line-height: 1.5;
}

/* ── CASE STUDIES INDEX ───────────────────────────────────── */
.cs-list-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.cs-card {
  background: #fff; border: 1px solid var(--slate-100);
  border-radius: 6px; overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
  cursor: pointer; display: flex; flex-direction: column;
}
.cs-card:hover { border-color: var(--current); transform: translateY(-2px); }
.cs-card-img {
  height: 160px;
  background: var(--navy);
  background-image: repeating-linear-gradient(
    135deg,
    rgba(126,200,227,0.06) 0px, rgba(126,200,227,0.06) 1px,
    transparent 1px, transparent 24px
  );
  display: flex; align-items: center; justify-content: center;
  position: relative; border-bottom: 1px solid var(--slate-100);
}
.cs-card-img-label {
  font-size: 13px; color: rgba(126,200,227,0.4);
  font-weight: 600; letter-spacing: -0.3px;
}
.cs-card-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.cs-card-tag {
  font-size: 9px; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: var(--current); margin-bottom: 10px;
}
.cs-card-title {
  font-size: 19px; font-weight: 700; color: var(--text-dark);
  letter-spacing: -0.5px; line-height: 1.3; margin-bottom: 12px;
}
.cs-card-lede {
  font-size: 13px; color: var(--text-body); line-height: 1.65;
  margin-bottom: 18px; flex: 1;
}
.cs-card-foot {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 14px; border-top: 1px solid var(--slate-100);
}
.cs-card-meta {
  font-size: 11px; color: var(--text-muted); font-weight: 500;
}
.cs-card-arrow {
  font-size: 14px; color: var(--current); font-weight: 600;
}

/* ── NAV HAMBURGER (hidden on desktop) ─────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: none; border: none; cursor: pointer; padding: 6px;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block; height: 2px; background: #fff;
  border-radius: 1px; transition: transform 0.2s, opacity 0.2s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── MOBILE ─────────────────────────────────────────────────── */
@media (max-width: 768px) {

  /* General */
  .section { padding: 52px 0; }
  .section-inner,
  .cta-inner,
  .footer-inner { padding: 0 20px; }

  /* Nav */
  .nav-inner { padding: 0 16px; }
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed; top: 64px; left: 0; right: 0;
    background: rgba(10,22,40,0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    gap: 0;
    padding: 8px 0 16px;
    border-bottom: 1px solid rgba(126,200,227,0.12);
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    font-size: 15px;
    padding: 14px 24px;
    color: rgba(255,255,255,0.7);
    border-bottom: 1px solid rgba(126,200,227,0.06);
    letter-spacing: 0;
  }
  .nav-links a:hover { color: #fff; }
  .nav-cta {
    margin: 12px 24px 0;
    text-align: center;
    border-radius: 4px;
    border-bottom: none !important;
    padding: 12px 20px;
    display: block;
  }

  /* Page hero */
  .page-hero { padding: 96px 0 48px; }
  .page-hero-inner { padding: 0 20px; }
  .page-hero-h1 { letter-spacing: -1px; }

  /* Tech strip */
  .tech-inner { padding: 0 20px; flex-direction: column; align-items: flex-start; gap: 12px; }
  .tech-label { margin-right: 0; }
  .tech-logos { gap: 14px; }

  /* CSS-class grids → single column */
  .problems-layout,
  .why-layout { grid-template-columns: 1fr; gap: 28px; }

  .problems-grid,
  .why-grid,
  .beliefs-grid { grid-template-columns: 1fr; }

  .cases-grid,
  .cs-list-grid { grid-template-columns: 1fr !important; }

  /* Inline-style grids via helper classes */
  .layout-sidebar,
  .layout-two-col { grid-template-columns: 1fr !important; gap: 28px !important; }

  /* Reset odd/even padding & borders inside grids */
  .problem-item:nth-child(odd),
  .problem-item:nth-child(even) { padding-right: 0; padding-left: 0; border-right: none; }
  .problem-item:nth-child(2) { border-top: 1px solid var(--slate-100); }

  .why-item:nth-child(odd),
  .why-item:nth-child(even) { padding-right: 0; padding-left: 0; border-right: none; }
  .why-item:nth-child(2) { border-top: 1px solid var(--slate-100); }

  .belief-item:nth-child(odd),
  .belief-item:nth-child(even) { padding-right: 0; padding-left: 0; border-right: none; }
  .belief-item:nth-child(2) { border-top: 1px solid var(--slate-100); }

  /* Service rows */
  .service-row { grid-template-columns: 1fr; gap: 10px; }
  .service-row:hover { margin: 0 !important; padding-left: 0 !important; padding-right: 0 !important; }
  .service-arrow { display: none; }

  /* Case studies header */
  .case-studies-header { flex-direction: column; gap: 10px; align-items: flex-start; }

  /* Process steps */
  .process-steps { grid-template-columns: 1fr; }
  .process-step { border-left: none; border-top: 1px solid var(--slate-100); padding-left: 0; padding-top: 24px; }
  .process-step:first-child { border-left: none; border-top: 2px solid var(--text-dark); }
  .process-header { flex-direction: column; gap: 6px; }

  /* CTA */
  .cta-inner { grid-template-columns: 1fr; gap: 28px; }
  .cta-actions { flex-direction: row; flex-wrap: wrap; align-items: flex-start; }
  .btn-cta-primary,
  .btn-cta-ghost { flex: 1; min-width: 0; justify-content: center; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px 32px; margin-bottom: 28px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 6px; align-items: flex-start; }

  /* Detail rows (services / case studies pages) */
  .detail-row { grid-template-columns: 1fr; gap: 24px; }
  .detail-meta { grid-template-columns: 1fr 1fr; gap: 16px; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-row { grid-template-columns: 1fr; }
}