/* ==========================================================================
   EvolvLabs, LLC — evolvlabs.ai
   Design system: "Two Hemispheres"
   Ground: white · Ink: deep navy · Accents: sky (systems) + teal (care)
   Type: Bricolage Grotesque (display) · Source Sans 3 (body)
   ========================================================================== */

:root {
  --paper: #FFFFFF;
  --paper-soft: #F7FAFD;
  --ink: #10233B;
  --muted: #566B84;
  --navy: #002A5D;
  --sky: #2098FF;
  --sky-deep: #1272C4;
  --sky-wash: #EAF3FE;
  --care: #1FA48E;
  --care-deep: #17806F;
  --care-wash: #EAF7F4;
  --line: rgba(16, 35, 59, 0.12);
  --line-soft: rgba(16, 35, 59, 0.07);
  --radius: 14px;
  --font-display: "Bricolage Grotesque", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
}

img { max-width: 100%; height: auto; }

a { color: var(--sky-deep); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 3px;
  border-radius: 2px;
}

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--navy); color: #fff; padding: 10px 18px; z-index: 100;
}
.skip-link:focus { left: 0; }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header .container {
  display: flex; align-items: center; gap: 28px;
  padding-top: 16px; padding-bottom: 16px;
}
.site-header .brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.site-header .brand img { width: 158px; }
.site-nav { display: flex; gap: 26px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.site-nav a {
  color: var(--ink); font-weight: 600; font-size: 0.95rem;
}
.site-nav a:hover { color: var(--sky-deep); text-decoration: none; }
.site-nav a[aria-current="page"] {
  color: var(--sky-deep);
  box-shadow: 0 2px 0 var(--sky);
}

.btn {
  display: inline-block; font-weight: 700; font-size: 0.95rem;
  padding: 10px 22px; border-radius: 999px; border: 1px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--sky); color: #FFFFFF; }
.btn-primary:hover { background: var(--sky-deep); }
.btn-ghost { color: var(--navy); border-color: var(--navy); }
.btn-ghost:hover { background: var(--navy); color: #fff; }

/* --------------------------------------------------------------------------
   Type
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.12;
  text-wrap: balance;
  margin: 0;
}
.eyebrow {
  font-family: var(--font-body);
  font-weight: 700; font-size: 0.76rem;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--sky-deep);
}
.eyebrow.care { color: var(--care-deep); }

/* --------------------------------------------------------------------------
   Home: hero + split band
   -------------------------------------------------------------------------- */
.hero { padding: 84px 0 0; }
.hero h1 {
  font-size: clamp(2.4rem, 5.6vw, 4rem);
  font-weight: 800;
  max-width: 18ch;
  margin: 18px 0 22px;
}
.hero h1 .care-word { color: var(--care-deep); }
.hero h1 .sys-word { color: var(--sky-deep); }
.hero .lede {
  font-size: 1.22rem; color: var(--muted);
  max-width: 56ch; margin: 0 0 30px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

.split-band {
  position: relative;
  display: grid; grid-template-columns: 1fr 1fr;
  height: 240px;
  margin-top: 64px;
}
.split-band .care-side {
  background:
    radial-gradient(190px 140px at 74% 32%, rgba(31, 164, 142, 0.34), transparent 70%),
    radial-gradient(260px 180px at 28% 82%, rgba(31, 164, 142, 0.20), transparent 70%),
    radial-gradient(130px 100px at 52% 55%, rgba(31, 164, 142, 0.14), transparent 70%),
    var(--care-wash);
}
.split-band .sys-side {
  background-color: var(--sky-wash);
  background-image:
    linear-gradient(rgba(32, 152, 255, 0.20) 1px, transparent 1px),
    linear-gradient(90deg, rgba(32, 152, 255, 0.20) 1px, transparent 1px);
  background-size: 30px 30px;
}
.split-band .seam-shield {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 132px; height: 132px; border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 14px 44px rgba(16, 35, 59, 0.18);
  display: flex; align-items: center; justify-content: center;
}
.split-band .seam-shield img { width: 78px; }
.split-band .side-label {
  position: absolute; bottom: 14px;
  font-weight: 700; font-size: 0.72rem;
  letter-spacing: 0.2em; text-transform: uppercase;
}
.split-band .side-label.left { left: 24px; color: var(--care-deep); }
.split-band .side-label.right { right: 24px; color: var(--sky-deep); }

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.section { padding: 88px 0 0; }
.section-head { max-width: 68ch; margin-bottom: 36px; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; margin: 12px 0 14px; }
.section-head p { color: var(--muted); margin: 0; font-size: 1.08rem; }

/* Product cards */
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 24px; }
.product-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 30px 26px;
  display: flex; flex-direction: column; gap: 12px;
  background: var(--paper);
}
.product-card .tag {
  align-self: flex-start;
  font-weight: 700; font-size: 0.72rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 999px;
}
.product-card.care { border-top: 4px solid var(--care); }
.product-card.sys { border-top: 4px solid var(--sky); }
.product-card.zen { border-top: 4px solid #18B5B5; }
.product-card.care .tag { color: var(--care-deep); background: var(--care-wash); }
.product-card.sys .tag { color: var(--sky-deep); background: var(--sky-wash); }
.product-card.zen .tag { color: #0E7C7C; background: #D4EEF1; }
.product-card h3 { font-size: 1.5rem; font-weight: 700; }
.product-card p { margin: 0; color: var(--muted); flex: 1; }
.product-card .plink { font-weight: 700; }
.product-card.care .plink { color: var(--care-deep); }
.product-card.sys .plink { color: var(--sky-deep); }
.product-card.zen .plink { color: #0E7C7C; }
.product-card .status {
  font-size: 0.8rem; font-weight: 600; color: var(--muted);
}

/* Principles */
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.principle {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.principle h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 8px; }
.principle p { margin: 0; color: var(--muted); font-size: 0.97rem; }

/* Company band */
.company-band {
  margin-top: 88px;
  background: var(--navy); color: #C9DDF4;
}
.company-band .container {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px;
  padding-top: 64px; padding-bottom: 64px;
}
.company-band h2 { color: #FFFFFF; font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin: 12px 0 16px; }
.company-band p { margin: 0 0 14px; }
.company-band .eyebrow { color: #7FC0FF; }
.company-band a { color: #7FC0FF; }
.company-facts { align-self: center; display: grid; gap: 18px; }
.company-facts .fact {
  border-left: 3px solid var(--sky);
  padding-left: 16px;
}
.company-facts .fact .k {
  font-weight: 700; font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: #7FC0FF; display: block;
}
.company-facts .fact .v { color: #FFFFFF; font-size: 1.02rem; }

/* Trust strip */
.trust-strip {
  margin-top: 0;
  border: 1px solid rgba(32, 152, 255, 0.25);
  background: var(--paper-soft);
  border-radius: var(--radius);
  padding: 26px 30px;
  display: flex; flex-wrap: wrap; gap: 10px 34px; align-items: baseline;
}
.trust-strip strong { font-family: var(--font-display); font-size: 1.15rem; letter-spacing: -0.01em; }
.trust-strip span { color: var(--muted); font-size: 0.95rem; }
.trust-strip .go { margin-left: auto; font-weight: 700; white-space: nowrap; }

/* --------------------------------------------------------------------------
   Document pages (trust / security / privacy / terms)
   -------------------------------------------------------------------------- */
.doc-hero {
  border-bottom: 1px solid var(--line-soft);
  background:
    linear-gradient(90deg, var(--care-wash) 0%, rgba(255,255,255,0) 30%, rgba(255,255,255,0) 70%, var(--sky-wash) 100%),
    var(--paper);
  padding: 64px 0 40px;
}
.doc-hero h1 { font-size: clamp(2rem, 4.4vw, 3rem); font-weight: 800; margin: 14px 0 12px; }
.doc-hero .doc-lede { font-size: 1.15rem; color: var(--muted); max-width: 62ch; margin: 0 0 18px; }
.doc-hero .doc-meta {
  font-size: 0.85rem; color: var(--muted);
  display: flex; flex-wrap: wrap; gap: 8px 24px;
}
.doc-hero .doc-meta b { color: var(--ink); font-weight: 600; }

.doc { padding: 24px 0 0; }
.doc-body { max-width: 76ch; }
.doc-body h2 {
  font-size: 1.45rem; font-weight: 700;
  margin: 48px 0 14px;
  padding-top: 26px;
  position: relative;
}
.doc-body h2::before {
  content: "";
  position: absolute; top: 0; left: 0;
  width: 44px; height: 4px; border-radius: 2px;
  background: linear-gradient(90deg, var(--care), var(--sky));
}
.doc-body h3 { font-size: 1.1rem; font-weight: 700; margin: 26px 0 8px; }
.doc-body p { margin: 0 0 14px; }
.doc-body ul, .doc-body ol { margin: 0 0 14px; padding-left: 24px; }
.doc-body li { margin: 5px 0; }
.doc-body .lead-in { font-weight: 600; }

.note-box {
  border-left: 3px solid var(--sky);
  background: var(--paper-soft);
  border-radius: 0 10px 10px 0;
  padding: 16px 20px;
  margin: 20px 0;
  color: var(--muted); font-size: 0.97rem;
}
.note-box b, .note-box strong { color: var(--ink); }

.contact-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 26px; margin: 22px 0;
  display: grid; gap: 8px;
}
.contact-card .row { display: flex; flex-wrap: wrap; gap: 6px 12px; }
.contact-card .row .k { font-weight: 700; min-width: 170px; }

.table-scroll { overflow-x: auto; margin: 20px 0; }
table.doc-table {
  border-collapse: collapse; width: 100%; min-width: 560px;
  font-size: 0.95rem;
}
table.doc-table th {
  text-align: left; font-family: var(--font-display); letter-spacing: 0;
  font-size: 0.9rem; padding: 10px 14px;
  border-bottom: 2px solid var(--navy);
}
table.doc-table td {
  padding: 10px 14px; border-bottom: 1px solid var(--line);
  vertical-align: top; color: var(--muted);
}
table.doc-table td:first-child { color: var(--ink); font-weight: 600; white-space: nowrap; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  margin-top: 96px;
  border-top: 1px solid var(--line);
  background: var(--paper-soft);
}
.site-footer .cols {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 36px;
  padding: 52px 0 36px;
}
.site-footer .brand-col img { width: 148px; margin-bottom: 14px; }
.site-footer .brand-col p { margin: 0; color: var(--muted); font-size: 0.9rem; max-width: 30ch; }
.site-footer h4 {
  font-size: 0.76rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink); margin-bottom: 14px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 8px 0; }
.site-footer a { color: var(--muted); font-size: 0.94rem; }
.site-footer a:hover { color: var(--sky-deep); }
.site-footer .soon { color: var(--muted); font-size: 0.94rem; }
.site-footer .legal-line {
  border-top: 1px solid var(--line);
  padding: 20px 0 28px;
  display: flex; flex-wrap: wrap; gap: 8px 24px;
  font-size: 0.83rem; color: var(--muted);
}
.site-footer .legal-line .co { margin-right: auto; }

/* --------------------------------------------------------------------------
   Motion & responsive
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .product-card { transition: transform 0.18s ease, box-shadow 0.18s ease; }
  .product-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px -24px rgba(16, 35, 59, 0.35);
  }
  .hero > * { animation: rise 0.6s ease both; }
  .hero .lede { animation-delay: 0.08s; }
  .hero .hero-ctas { animation-delay: 0.16s; }
  @keyframes rise {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: none; }
  }
}

@media (max-width: 860px) {
  .product-grid, .principle-grid { grid-template-columns: 1fr; }
  .company-band .container { grid-template-columns: 1fr; gap: 32px; }
  .site-footer .cols { grid-template-columns: 1fr 1fr; }
  .split-band { height: 180px; }
  .split-band .seam-shield { width: 104px; height: 104px; }
  .split-band .seam-shield img { width: 60px; }
  .hero { padding-top: 56px; }
}
@media (max-width: 560px) {
  .site-nav { gap: 16px; }
  .site-nav .nav-trust { display: none; }
  .site-footer .cols { grid-template-columns: 1fr; }
  .split-band .side-label { display: none; }
}