/* ===========================
   OMNIVIZ — LANDING PAGE CSS
   =========================== */

:root {
  --clr-bg: #F8F7F4;
  --clr-surface: #EDECEA;
  --clr-border: #F8F7F4;
  --clr-text: #1A1816;
  --clr-muted: #6B6760;
  --clr-accent: #0D7C66;
  --clr-accent-hover: #0A6B58;
  --clr-accent-light: #EDFAF3;
  --clr-accent-mid: #C6F0DA;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
  --radius-lg: 14px;
  --shadow: 0 1px 3px rgba(0,0,0,.05), 0 4px 12px rgba(0,0,0,.05);
  --shadow-lg: 0 4px 20px rgba(0,0,0,.09);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--clr-bg);
  color: var(--clr-text);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---- NAVBAR ---- */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(248,247,244,.93);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
}
.nav-inner {
  max-width: 1080px; margin: 0 auto;
  padding: 0 24px; height: 58px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem; color: var(--clr-text);
  text-decoration: none;
}
.logo-viz { color: var(--clr-accent); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  color: var(--clr-muted); text-decoration: none;
  font-size: .85rem; font-weight: 500;
  padding: 5px 12px; border-radius: 100px;
  transition: color .2s, background .2s;
}
.nav-links a:not(.btn-nav):hover {
  color: var(--clr-accent);
  background: var(--clr-accent-light);
}
.btn-nav {
  background: var(--clr-accent) !important;
  color: #fff !important;
  padding: 7px 16px; border-radius: 100px;
  font-size: .85rem !important; font-weight: 600 !important;
  transition: background .2s !important;
}
.btn-nav:hover { background: var(--clr-accent-hover) !important; }
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--clr-text); border-radius: 2px; }
.nav-mobile {
  display: none; flex-direction: column;
  background: var(--clr-bg); border-top: 1px solid var(--clr-border);
  padding: 12px 24px; gap: 2px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  color: var(--clr-text); text-decoration: none;
  font-size: .9rem; font-weight: 500;
  padding: 9px 0; border-bottom: 1px solid var(--clr-border);
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile .btn-nav { background: var(--clr-accent) !important; color: #fff !important; border-radius: 8px; text-align: center; padding: 10px 0; }

/* ---- BUTTONS ---- */
.btn-primary {
  background: var(--clr-accent); color: #fff;
  padding: 10px 24px; border-radius: 9px;
  font-family: var(--font-body); font-size: .9rem; font-weight: 600;
  text-decoration: none; display: inline-block; border: none; cursor: pointer;
  transition: background .2s, transform .15s;
}
.btn-primary:hover { background: var(--clr-accent-hover); transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--clr-accent);
  padding: 10px 22px; border-radius: 9px;
  font-family: var(--font-body); font-size: .9rem; font-weight: 500;
  text-decoration: none; display: inline-block;
  border: 1.5px solid var(--clr-accent);
  transition: background .2s, transform .15s;
}
.btn-ghost:hover { background: var(--clr-accent-light); transform: translateY(-1px); }
.btn-large { padding: 12px 30px; font-size: .97rem; }

/* ---- HERO ---- */
.hero {
  display: flex; align-items: center;
  padding: 64px 24px 56px;
  max-width: 1080px; margin: 0 auto;
}
.hero-bg { display: none; }
.hero-content { max-width: 500px; flex: 1; }
.hero-badge {
  display: inline-block;
  background: var(--clr-accent-light); color: var(--clr-accent);
  font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 4px 11px; border-radius: 100px; border: 1px solid rgba(26,122,74,.2); margin-bottom: 16px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.13; color: var(--clr-text); margin-bottom: 14px;
}
.hero-title em { font-style: italic; color: var(--clr-accent); }
.hero-sub { font-size: .93rem; color: var(--clr-muted); line-height: 1.65; margin-bottom: 24px; max-width: 440px; }
.hero-cta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.hero-meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: .78rem; color: var(--clr-muted); font-weight: 500; }

/* Hero visual */
.hero-visual { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 14px; padding-left: 32px; }
.chart-preview {
  display: flex; align-items: flex-end; gap: 9px;
  background: var(--clr-surface); border: 1px solid var(--clr-accent);
  border-radius: var(--radius-lg); padding: 18px 20px 12px;
  box-shadow: var(--shadow-lg); height: 170px;
}
.chart-bar {
  width: 38px; height: var(--h); background: var(--c); border-radius: 5px 5px 2px 2px;
  opacity: 0; animation: barRise .6s ease forwards; animation-delay: var(--d); transition: filter .2s;
}
.chart-bar:hover { filter: brightness(1.12); }
@keyframes barRise { from { height: 0; opacity: 0; } to { height: var(--h); opacity: 1; } }
.scatter-preview {
  background: var(--clr-surface); border: 1px solid var(--clr-accent);
  border-radius: var(--radius-lg); padding: 12px; box-shadow: var(--shadow); width: 190px;
}
.scatter-preview svg { width: 100%; height: auto; }

/* ---- SECTION SHARED ---- */
.section-label { font-size: .7rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--clr-accent); margin-bottom: 8px; }
.section-title { font-family: var(--font-display); font-size: clamp(1.5rem, 2.8vw, 2rem); line-height: 1.2; margin-bottom: 28px; color: var(--clr-text); }

/* ---- FEATURES ---- */
.features { padding: 60px 0; background: var(--clr-bg); border-top: 1px solid var(--clr-border); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature-card {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg); padding: 20px;
  display: flex; flex-direction: column;
  transition: box-shadow .22s, transform .22s, border-color .22s;
}
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); border-color: var(--clr-accent); }
.feature-card--large { grid-column: span 1; }
.feature-card--accent { background: var(--clr-surface); }
.fc-icon { font-size: 1.15rem; color: var(--clr-accent); margin-bottom: 9px; display: block; }
.feature-card h3 { font-family: var(--font-display); font-size: .97rem; margin-bottom: 6px; color: var(--clr-text); }
.feature-card p { font-size: .82rem; color: var(--clr-muted); line-height: 1.55; flex: 1; }
.fc-tags { display: flex; gap: 5px; margin-top: 10px; flex-wrap: wrap; }
.fc-tags span {
  background: var(--clr-accent-light); border: 1px solid var(--clr-accent-mid);
  padding: 2px 8px; border-radius: 100px; font-size: .72rem; font-weight: 600; color: var(--clr-accent);
}
.btn-card {
  display: inline-block; margin-top: 12px; background: var(--clr-accent); color: #fff;
  padding: 6px 14px; border-radius: 7px; font-size: .8rem; font-weight: 600;
  text-decoration: none; transition: background .2s; align-self: flex-start;
}
.btn-card:hover { background: var(--clr-accent-hover); }

/* ---- HOW IT WORKS ---- */
.howit { padding: 60px 0; background: var(--clr-bg); border-top: 1px solid var(--clr-border); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.step {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg); padding: 20px;
  transition: box-shadow .22s, transform .22s, border-color .22s;
}
.step:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); border-color: var(--clr-accent); }
.step-num { font-family: var(--font-display); font-size: 1.8rem; color: var(--clr-accent); opacity: 1; line-height: 1; margin-bottom: 10px; }
.step h3 { font-family: var(--font-display); font-size: .97rem; margin-bottom: 6px; }
.step p { font-size: .82rem; color: var(--clr-muted); line-height: 1.55; }
.step-arrow { display: none; }

/* ---- CTA ---- */
.cta-section { padding: 60px 0; background: var(--clr-bg); border-top: 1px solid var(--clr-border); }
.cta-box {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg); padding: 44px 40px; text-align: center;
  transition: box-shadow .22s, transform .22s, border-color .22s;
}
.cta-box:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); border-color: var(--clr-accent); }
.cta-box h2 { font-family: var(--font-display); font-size: clamp(1.5rem, 2.6vw, 1.9rem); margin-bottom: 8px; color: var(--clr-text); }
.cta-box p { font-size: .88rem; color: var(--clr-muted); margin-bottom: 24px; }

/* ---- FOOTER ---- */
.footer { background: var(--clr-bg); border-top: 1px solid var(--clr-border); padding: 20px 0; }
.footer-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; position: relative;
}
.footer-brand { font-family: var(--font-display); font-size: .93rem; color: var(--clr-text); text-decoration: none; }
.footer-brand .logo-viz { color: var(--clr-accent); }
.footer-copy {
  position: absolute; left: 50%; transform: translateX(-50%);
  font-size: .78rem; color: var(--clr-muted); white-space: nowrap;
}
.footer-copy a {
  color: var(--clr-accent); font-weight: 600;
  text-decoration: none;
  transition: color .2s;
}
.footer-copy a:hover { color: var(--clr-accent-hover); }

/* ---- RESPONSIVE ---- */
@media (max-width: 860px) {
  .hero { flex-direction: column; padding: 52px 24px 44px; }
  .hero-visual { padding-left: 0; margin-top: 30px; width: 100%; }
  .chart-preview { justify-content: center; }
  .features-grid, .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .features-grid, .steps { grid-template-columns: 1fr; }
  .cta-box { padding: 30px 18px; }
  .footer-copy { position: static; transform: none; }
  .footer-inner { flex-direction: column; gap: 6px; text-align: center; }
}