/* ===== Sentius — Design tokens ===== */
:root {
  --teal: #32859F;
  --teal-light: #68B7CF;
  --ink: #111111;
  --ink-alt: #16171B;
  --off-white: #E6E6E6;
  --white: #FFFFFF;
  --off-white-bg: #F5F6F7;

  --font-head: 'Outfit', -apple-system, 'Segoe UI', sans-serif;
  --font-body: 'Poppins', -apple-system, 'Segoe UI', sans-serif;

  --max-w: 1120px;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(17, 17, 17, 0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

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

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.2rem; }

p { color: #333; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
}

.lede {
  font-size: 1.15rem;
  color: #444;
  max-width: 640px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(50, 133, 159, 0.35);
}
.btn-primary:hover { background: #2a7389; }

.btn-outline {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn-outline:hover { border-color: var(--teal); color: var(--teal); }

.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,0.5);
  color: var(--white);
}
.btn-outline-light:hover { border-color: var(--teal-light); color: var(--teal-light); }

/* ===== Header ===== */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(17,17,17,0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.logo-link { display: flex; align-items: center; gap: 10px; }
.logo-link img { height: 38px; width: auto; }

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
  align-items: center;
}

nav.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--off-white);
  position: relative;
  padding: 4px 0;
}

nav.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--teal-light);
  transition: width 0.2s ease;
}

nav.main-nav a:hover::after,
nav.main-nav a.active::after { width: 100%; }

nav.main-nav a.active { color: var(--teal-light); }

.nav-cta { display: flex; align-items: center; gap: 20px; }
.nav-cta .btn { padding: 11px 22px; font-size: 0.88rem; }
.nav-cta .btn-outline { border-color: rgba(255,255,255,0.4); color: var(--off-white); }
.nav-cta .btn-outline:hover { border-color: var(--teal-light); color: var(--teal-light); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--off-white);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(180deg, var(--off-white-bg) 0%, var(--white) 100%);
  padding: 90px 0 80px;
}

.hero-inner {
  display: grid;
  gap: 40px;
}

.hero p.lede { margin-top: 22px; }

.hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid rgba(17,17,17,0.08);
  font-size: 0.98rem;
  color: #444;
  max-width: 720px;
}

/* ===== Section basics ===== */
section { padding: 76px 0; }
.section-dark {
  background: var(--ink);
  color: var(--off-white);
}
.section-dark p { color: #c9c9c9; }
.section-dark h2, .section-dark h3 { color: var(--white); }

.section-tint { background: var(--off-white-bg); }

.section-head { max-width: 680px; margin-bottom: 48px; }

/* ===== Why Sentius cards ===== */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  background: var(--white);
  border: 1px solid rgba(17,17,17,0.08);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow);
}

.card .num {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--teal);
  margin-bottom: 12px;
}

.card h3 { margin-bottom: 10px; }
.card p { font-size: 0.95rem; color: #555; }

/* ===== Stack diagram ===== */
.stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 560px;
}

.stack-layer {
  border-radius: var(--radius);
  padding: 20px 24px;
  border: 1px solid rgba(255,255,255,0.08);
}

.stack-layer h4 { color: var(--white); font-size: 1.02rem; margin-bottom: 4px; }
.stack-layer span { font-size: 0.85rem; color: #b7b7b7; }

.stack-layer.base { background: #1d2126; }
.stack-layer.mid { background: #223947; border-color: rgba(104,183,207,0.25); }
.stack-layer.top { background: linear-gradient(120deg, var(--teal), var(--teal-light)); }
.stack-layer.top h4, .stack-layer.top span { color: var(--white); }

.stack-flag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #3a1f1f;
  color: #ffb4a2;
  border: 1px solid #5c2a2a;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 16px;
}

/* ===== Services list ===== */
.service-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 20px;
  padding: 32px 0;
  border-bottom: 1px solid rgba(17,17,17,0.08);
}
.service-row:first-child { padding-top: 0; }
.service-row:last-of-type { border-bottom: none; }

.service-index {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--teal-light);
  background: var(--ink);
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

.service-row h3 { margin-bottom: 8px; }
.service-row .means {
  margin-top: 12px;
  font-size: 0.92rem;
  color: var(--teal);
  font-weight: 500;
}

/* ===== Steps ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 28px;
  counter-reset: step;
}

.step {
  position: relative;
  padding-top: 12px;
}

.step .step-num {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 2.2rem;
  color: var(--teal);
  opacity: 0.35;
  display: block;
  margin-bottom: 14px;
}

.step h3 { margin-bottom: 10px; }
.step p { font-size: 0.94rem; }

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: stretch;
}

.tier {
  background: var(--white);
  border: 1px solid rgba(17,17,17,0.1);
  border-radius: var(--radius);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}

.tier.popular {
  border-color: var(--teal);
  box-shadow: 0 10px 34px rgba(50,133,159,0.22);
  transform: translateY(-8px);
}

.tier-badge {
  align-self: flex-start;
  background: var(--teal);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.tier h3 { font-size: 1.35rem; }
.tier .tier-desc { font-size: 0.92rem; color: #555; margin: 10px 0 20px; min-height: 42px; }

.tier .price {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 2.1rem;
  color: var(--ink);
  margin-bottom: 4px;
}
.tier .price span { font-size: 0.95rem; font-weight: 500; color: #666; }

.tier ul {
  list-style: none;
  margin: 22px 0;
  flex-grow: 1;
}

.tier ul li {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: #333;
  border-top: 1px solid rgba(17,17,17,0.06);
}
.tier ul li:first-child { border-top: none; }

.tier ul li .tick { color: var(--teal); font-weight: 700; flex-shrink: 0; }

.tier-meta {
  font-size: 0.82rem;
  color: #666;
  background: var(--off-white-bg);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 20px;
}
.tier-meta div { display: grid; grid-template-columns: 108px 1fr; gap: 10px; padding: 5px 0; align-items: baseline; }
.tier-meta div span:first-child { color: #888; }
.tier-meta div span:last-child { text-align: right; font-weight: 500; color: var(--ink); }

.tier-best {
  font-size: 0.85rem;
  color: #555;
  margin-bottom: 20px;
  padding-top: 16px;
  border-top: 1px dashed rgba(17,17,17,0.12);
}
.tier-best b { color: var(--ink); display: block; margin-bottom: 4px; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; }

.addon-box {
  margin-top: 40px;
  background: var(--off-white-bg);
  border-radius: var(--radius);
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
@media (max-width: 700px) { .addon-box { grid-template-columns: 1fr; } }

.addon-box ul { list-style: none; margin: 0; }
.addon-box ul li {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: #333;
  border-top: 1px solid rgba(17,17,17,0.08);
}
.addon-box ul li:first-child { border-top: none; }
.addon-box ul li .tick { color: var(--teal); font-weight: 700; flex-shrink: 0; }

.notes-list {
  list-style: none;
  margin-top: 20px;
}
.notes-list li {
  padding: 12px 0;
  border-top: 1px solid rgba(17,17,17,0.08);
  font-size: 0.94rem;
  color: #444;
}
.notes-list li:first-child { border-top: none; }

/* ===== Case studies ===== */
.case-study {
  background: var(--white);
  border: 1px solid rgba(17,17,17,0.08);
  border-radius: var(--radius);
  padding: 40px;
  margin-bottom: 32px;
  box-shadow: var(--shadow);
}

.case-study h3.case-title {
  color: var(--teal);
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.case-block { margin-bottom: 20px; }
.case-block h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #888;
  margin-bottom: 8px;
}
.case-block p { font-size: 0.96rem; }

.stat-card {
  background: var(--ink);
  border-radius: var(--radius);
  padding: 30px;
  color: var(--white);
  margin-bottom: 20px;
}

.stat-card h4 { color: var(--teal-light); font-size: 1rem; margin-bottom: 4px; }

.stat-label {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #888;
  margin-bottom: 20px;
}

.stat-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.stat-num { font-family: var(--font-head); font-weight: 700; font-size: 1.7rem; }
.stat-num.before { color: #999; }
.stat-num.after { color: var(--teal-light); }
.stat-arrow { color: #666; font-size: 1.3rem; }

.stat-date { font-size: 0.78rem; color: #999; }

.bar-track {
  height: 8px;
  background: #2a2c31;
  border-radius: 999px;
  overflow: hidden;
  margin: 14px 0 6px;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--teal-light));
  border-radius: 999px;
}

.stat-sub { font-size: 0.85rem; color: #aaa; }

/* ===== Footer ===== */
footer.site-footer {
  background: var(--ink);
  color: var(--off-white);
  padding: 56px 0 28px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
@media (max-width: 760px) { .footer-top { grid-template-columns: 1fr; } }

.footer-brand img { height: 34px; margin-bottom: 14px; filter: brightness(0) invert(1); }
.footer-brand p { color: #999; font-size: 0.9rem; max-width: 300px; }

.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: var(--off-white);
  transition: background 0.15s ease, color 0.15s ease;
}
.footer-social a:hover { background: var(--teal); color: var(--white); }

.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #999;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: #ccc; font-size: 0.94rem; }
.footer-col a:hover { color: var(--teal-light); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.82rem;
  color: #777;
  flex-wrap: wrap;
  gap: 10px;
}

/* ===== CTA banner ===== */
.cta-banner {
  background: linear-gradient(120deg, var(--teal), #24677c);
  border-radius: 16px;
  padding: 56px;
  text-align: center;
  color: var(--white);
}
.cta-banner h2 { color: var(--white); margin-bottom: 12px; }
.cta-banner p { color: rgba(255,255,255,0.85); max-width: 520px; margin: 0 auto 28px; }

/* ===== Cookie consent ===== */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 200;
  background: var(--ink);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 22px 24px;
  transform: translateY(120%);
  transition: transform 0.3s ease;
}
.cookie-banner.is-visible { transform: translateY(0); }

.cookie-banner-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}

.cookie-banner-inner p {
  color: #ccc;
  font-size: 0.92rem;
  max-width: 640px;
  margin: 0;
}

.cookie-banner-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cookie-banner-actions .btn { padding: 11px 20px; font-size: 0.86rem; }
.cookie-banner-actions .btn-outline { border-color: rgba(255,255,255,0.3); color: var(--off-white); }
.cookie-banner-actions .btn-outline:hover { border-color: var(--teal-light); color: var(--teal-light); }

.cookie-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 210;
  background: rgba(17,17,17,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.cookie-modal-overlay.is-visible { opacity: 1; pointer-events: auto; }

.cookie-modal {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  max-width: 480px;
  width: 100%;
  max-height: 86vh;
  overflow-y: auto;
  padding: 36px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.cookie-modal h3 { margin-bottom: 10px; }
.cookie-modal-intro { font-size: 0.9rem; color: #555; margin-bottom: 24px; }

.cookie-modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: none;
  border: none;
  font-size: 1.4rem;
  line-height: 1;
  color: #888;
  cursor: pointer;
  padding: 6px;
}
.cookie-modal-close:hover { color: var(--ink); }

.cookie-category {
  padding: 16px 0;
  border-top: 1px solid rgba(17,17,17,0.08);
}
.cookie-category:first-of-type { border-top: none; }

.cookie-category-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-family: var(--font-head);
  margin-bottom: 6px;
}

.cookie-category p { font-size: 0.86rem; color: #666; }

.cookie-toggle {
  width: 42px; height: 24px;
  border-radius: 999px;
  background: #d5d5d5;
  border: none;
  position: relative;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}
.cookie-toggle-dot {
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--white);
  transition: transform 0.18s ease;
}
.cookie-toggle.is-on { background: var(--teal); }
.cookie-toggle.is-on .cookie-toggle-dot { transform: translateX(18px); }

.cookie-toggle-locked {
  background: var(--teal);
  cursor: default;
  opacity: 0.7;
}
.cookie-toggle-locked .cookie-toggle-dot { transform: translateX(18px); }

.cookie-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.cookie-modal-actions .btn { padding: 11px 20px; font-size: 0.86rem; }

/* ===== Mobile ===== */
@media (max-width: 860px) {
  nav.main-nav { position: fixed; top: 72px; left: 0; right: 0; background: var(--ink); flex-direction: column; padding: 20px 24px; border-bottom: 1px solid rgba(255,255,255,0.08); transform: translateY(-150%); opacity: 0; transition: transform 0.25s ease, opacity 0.25s ease; }
  nav.main-nav.open { transform: translateY(0); opacity: 1; }
  nav.main-nav ul { flex-direction: column; align-items: flex-start; gap: 18px; width: 100%; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: 60px 0 56px; }
  .tier.popular { transform: none; }
  .cta-banner { padding: 40px 24px; }
  .cookie-banner-inner { flex-direction: column; align-items: stretch; }
  .cookie-banner-actions { justify-content: stretch; }
  .cookie-banner-actions .btn { flex: 1; justify-content: center; }
}