/* ============================================
   WASAVO — design tokens
   Light theme matching flow.wasavo.com's product colors:
   white surfaces, deep forest-green accents, dark-green dashboard-style cards.
   Display: Fraunces / Body: Inter / Utility: IBM Plex Mono
   ============================================ */
:root{
  --ink:        #16281C;   /* dark text on light bg; also bg for intentionally-dark surfaces */
  --ink-2:      #1E3729;   /* raised dark-green surface (cards, footer, dropdown) */
  --paper:      #FFFFFF;   /* main page background */
  --paper-2:    #F3F8F4;   /* subtle tinted alternate section */
  --green:      #2FA854;   /* primary brand accent */
  --green-dim:  #1E8A44;   /* hover / darker accent */
  --mint:       #E6F5EA;   /* light icon-badge background */
  --teal:       #3D8B63;   /* secondary muted green (avatars etc) */
  --coral:      #D65A45;   /* alerts / urgency */
  --text-hi:    #16281C;   /* dark text, light backgrounds */
  --text-mid:   #56675C;   /* muted body text, light backgrounds */
  --text-lo:    #8B9A91;   /* captions, light backgrounds */
  --on-dark:    #EAF3EC;   /* light text on dark-green surfaces */
  --on-dark-mid:#9FC1AC;   /* muted text on dark-green surfaces */
  --line:       rgba(22,40,28,0.10);
  --line-dark:  rgba(22,40,28,0.14);
  --on-dark-line: rgba(234,243,236,0.14);
  --radius:     14px;
  --font-display: "Fraunces", serif;
  --font-body: "Inter", -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --max: 1180px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--text-hi);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3{ font-family: var(--font-display); margin:0; }

.section-inner{ max-width: var(--max); margin:0 auto; padding: 0 32px; }

.noise-overlay{ display:none; }

/* ---------- utility bar (dark green, above everything) ---------- */
.utility-bar{
  background: var(--ink); color: var(--on-dark-mid);
  font-size: 13px;
}
.utility-inner{
  max-width: var(--max); margin:0 auto; padding: 9px 32px;
  display:flex; align-items:center; justify-content:space-between;
}
.utility-links{ display:flex; gap: 22px; }
.utility-links a:hover{ color: var(--on-dark); }
.utility-right{ display:flex; align-items:center; gap: 18px; }
.utility-right a:hover{ color: var(--on-dark); }

/* ---------- promo banner ---------- */
.promo-banner{
  background: var(--mint); color: var(--ink);
  font-size: 13.5px; text-align:center; padding: 11px 20px;
  display:flex; align-items:center; justify-content:center; gap: 12px; flex-wrap:wrap;
}
.promo-banner strong{ font-weight:600; }
.promo-cta{
  background: var(--green); color:#fff; font-weight:600; font-size:12.5px;
  padding: 5px 14px; border-radius:999px; white-space:nowrap;
}
.promo-cta:hover{ background: var(--green-dim); }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 12px 22px; border-radius: 999px; font-weight:600; font-size: 14.5px;
  border: 1px solid transparent; cursor:pointer; transition: transform .15s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-1px); }
.btn-solid{ background: var(--green); color: #fff; }
.btn-solid:hover{ background: var(--green-dim); }
.btn-outline{ border-color: var(--ink); color: var(--text-hi); }
.btn-outline:hover{ border-color: var(--green); color: var(--green); }
.btn-ghost{ color: var(--text-mid); }
.btn-ghost:hover{ color: var(--text-hi); }
.btn-lg{ padding: 15px 28px; font-size: 15.5px; }

.eyebrow{
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .12em;
  font-size: 12px; color: var(--green-dim); margin: 0 0 14px;
}
.eyebrow--center{ text-align:center; }
.section-title{ font-size: clamp(28px, 3.6vw, 42px); font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; color: var(--ink); }
.section-title--center{ text-align:center; max-width: 640px; margin: 0 auto 56px; }

/* ---------- nav ---------- */
.nav{
  position: sticky; top:0; z-index: 50;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner{
  max-width: var(--max); margin:0 auto; padding: 14px 32px;
  display:flex; align-items:center; justify-content: space-between; gap: 24px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{ color: var(--green); display:flex; }
.brand-word{ font-family: var(--font-display); font-weight:600; font-size: 20px; letter-spacing: -0.01em; color: var(--ink); }
.nav-links{ display:flex; align-items:center; gap: 8px; }
.nav-item{ position: relative; }
.nav-link{
  background:none; border:none; font: inherit; color: var(--text-mid); cursor:pointer;
  padding: 10px 14px; font-size: 14.5px; font-weight:500; border-radius: 8px; transition: color .15s;
}
.nav-link:hover{ color: var(--ink); }
.nav-link.is-current{ color: var(--ink); }
.dropdown{
  position:absolute; top: calc(100% + 6px); left:0; min-width: 220px;
  background: var(--ink-2); border:1px solid var(--on-dark-line); border-radius: 12px; padding: 8px;
  opacity:0; visibility:hidden; transform: translateY(4px); transition: all .15s ease;
  box-shadow: 0 20px 40px rgba(16,30,20,.18);
}
.has-dropdown:hover .dropdown{ opacity:1; visibility:visible; transform: translateY(0); }
.dropdown a{ display:block; padding: 10px 12px; border-radius: 8px; font-size: 14px; color: var(--on-dark-mid); }
.dropdown a:hover{ background: rgba(255,255,255,0.06); color: var(--on-dark); }
.nav-cta{ display:flex; align-items:center; gap: 8px; }
.nav-toggle{ display:none; background:none; border:none; flex-direction:column; gap:5px; cursor:pointer; padding:6px; }
.nav-toggle span{ width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }

/* ---------- hero ---------- */
.hero{ padding: 72px 0 0; overflow:hidden; }
.hero-inner{
  max-width: var(--max); margin: 0 auto; padding: 0 32px;
  display:grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items:center;
}
.hero-copy{ max-width: 560px; }
.hero-title{ font-size: clamp(38px, 5vw, 60px); font-weight: 600; line-height: 1.1; letter-spacing: -0.015em; color: var(--ink); }
.hero-rotate-wrap{ display:inline; }
.hero-highlight{
  display:inline-block; background: var(--mint); color: var(--ink); border-radius: 8px;
  padding: 2px 10px; box-decoration-break: clone; -webkit-box-decoration-break: clone;
  transition: opacity .25s ease;
}
.hero-sub{ font-size: 17.5px; color: var(--text-mid); margin: 22px 0 32px; max-width: 480px; }
.hero-actions{ display:flex; gap: 14px; flex-wrap:wrap; }
.hero-meta{ margin-top: 22px; font-family: var(--font-mono); font-size: 12.5px; color: var(--text-lo); }

/* signature visual: conversation -> operation pipeline (dark card, like the product's AI panel) */
.hero-visual{ position:relative; }
.pipeline-card{
  background: var(--ink-2); border: 1px solid var(--on-dark-line); border-radius: 20px; padding: 28px;
  box-shadow: 0 30px 80px rgba(16,30,20,.18);
}
.pipeline-label{ font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; color: var(--on-dark-mid); margin-bottom: 22px; }
.pipeline-flow{ display:flex; flex-direction: column; gap: 14px; }
.pnode{ display:flex; flex-direction:column; gap:8px; }
.pnode-tag{ font-family: var(--font-mono); font-size: 11px; color: #7FD99B; letter-spacing: .04em; }
.pline{ color: var(--on-dark-line); width: 100%; height: 8px; margin-left: 20px; }
.bubble{ display:flex; gap:10px; align-items:flex-start; background: rgba(255,255,255,0.04); border:1px solid var(--on-dark-line); border-radius: 12px; padding: 12px 14px; max-width: 340px; }
.bubble-avatar{ width:26px;height:26px;border-radius:50%;background:var(--teal); color:#fff; font-size:10.5px; font-weight:700; display:flex;align-items:center;justify-content:center; flex-shrink:0; }
.bubble-text{ font-size: 13.5px; color: var(--on-dark); }
.route-chip{ display:inline-flex; align-self:flex-start; background: rgba(47,168,84,0.18); color: #7FD99B; border:1px solid rgba(47,168,84,0.35); padding: 8px 14px; border-radius: 999px; font-size: 13px; font-weight:600; }
.outcome-card{ background: var(--ink); border:1px solid var(--on-dark-line); border-radius:12px; padding: 12px 14px; max-width: 260px; }
.outcome-row{ display:flex; justify-content:space-between; font-size: 12.5px; padding: 5px 0; color: var(--on-dark-mid); }
.outcome-row strong{ color: var(--on-dark); font-weight:600; }

/* trust bar */
.trust-bar{ margin-top: 72px; border-top: 1px solid var(--line); padding: 28px 32px; }
.trust-label{ text-align:center; font-family: var(--font-mono); font-size: 11.5px; color: var(--text-lo); letter-spacing:.08em; margin: 0 0 20px; }
.trust-logos{ display:flex; justify-content:center; gap: 48px; flex-wrap: wrap; }
.trust-logo{ font-family: var(--font-display); font-size: 18px; color: var(--text-mid); font-weight:500; }
.trust-logo--ghost{ opacity: .5; font-style: italic; }

/* ---------- use case tabs ---------- */
.usecases{ padding: 120px 0; background: var(--paper-2); color: var(--ink); }
.tab-buttons{ display:flex; justify-content:center; gap: 6px; margin-bottom: 48px; }
.tab-btn{
  font: inherit; font-weight:600; font-size:14.5px; background:none; border: 1px solid var(--line-dark);
  color: var(--text-lo); padding: 10px 22px; border-radius: 999px; cursor:pointer; transition: all .15s;
}
.tab-btn.is-active{ background: var(--ink); color: #fff; border-color: var(--ink); }
.tab-panel{ display:none; grid-template-columns: 1fr 1fr; gap: 56px; align-items:center; }
.tab-panel.is-active{ display:grid; animation: fadein .3s ease; }
@keyframes fadein{ from{ opacity:0; transform: translateY(6px);} to{opacity:1; transform:none;} }
.tab-copy h3{ font-size: 28px; margin-bottom: 14px; color: var(--ink); }
.tab-copy p{ color: var(--text-mid); font-size: 16px; margin-bottom: 20px; }
.tab-list li{ position:relative; padding-left: 22px; margin-bottom: 12px; color: var(--ink); font-size: 15px; }
.tab-list li::before{ content:"—"; position:absolute; left:0; color: var(--green-dim); }
.mock-window{ height: 320px; border-radius: 16px; border: 1px solid var(--line-dark); background: #fff; position:relative; overflow:hidden; box-shadow: 0 20px 50px rgba(22,40,28,.08); }
.mock-window::before{ content:""; position:absolute; top:0; left:0; right:0; height: 36px; background: var(--paper-2); border-bottom:1px solid var(--line-dark); }
.mock-window::after{ content:""; position:absolute; top: 12px; left:14px; width:8px;height:8px;border-radius:50%; background: var(--coral); box-shadow: 16px 0 0 var(--green), 32px 0 0 var(--teal); }

/* ---------- AI section ---------- */
.ai-section{ padding: 120px 0; background: var(--paper); }
.ai-inner{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items:center; }
.ai-sub{ color: var(--text-mid); font-size: 16.5px; margin: 20px 0 32px; max-width: 480px; }
.ai-grid{ display:flex; flex-direction: column; gap: 22px; margin-bottom: 32px; }
.ai-item{ display:flex; gap: 14px; align-items:flex-start; }
.ai-num{ color: var(--green-dim); font-family: var(--font-mono); font-size: 16px; margin-top:2px; }
.ai-item strong{ display:block; font-size: 16px; margin-bottom: 4px; color: var(--ink); }
.ai-item p{ margin:0; color: var(--text-mid); font-size: 14.5px; }

.ai-visual{ position:relative; display:flex; justify-content:center; align-items:center; min-height: 340px; }
.noor-orb{
  position:absolute; width: 220px; height:220px; border-radius:50%;
  background: radial-gradient(circle at 35% 30%, rgba(47,168,84,0.25), rgba(47,168,84,0) 70%);
  filter: blur(10px);
}
.noor-card{
  position:relative; width: 100%; max-width: 340px; background: var(--ink-2); border:1px solid var(--on-dark-line);
  border-radius: 18px; padding: 20px; box-shadow: 0 30px 70px rgba(16,30,20,.2);
}
.noor-line{ font-size: 13px; color: var(--on-dark-mid); display:flex; align-items:center; gap:8px; margin-bottom: 16px; }
.dot{ width:7px;height:7px;border-radius:50%; background: var(--on-dark-mid); }
.dot-live{ background: var(--green); box-shadow: 0 0 0 3px rgba(47,168,84,0.25); }
.noor-transcript{ display:flex; flex-direction:column; gap:10px; }
.noor-msg{ font-size: 13.5px; padding: 10px 14px; border-radius: 12px; max-width: 88%; }
.noor-msg--in{ background: rgba(255,255,255,0.06); align-self:flex-start; color: var(--on-dark); border-bottom-left-radius: 4px; }
.noor-msg--out{ background: var(--green); color: #fff; align-self:flex-end; border-bottom-right-radius: 4px; font-weight:500; }

/* ---------- feature grid ---------- */
.features{ padding: 120px 0; background: var(--paper-2); }
.feature-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card{ background: #fff; border: 1px solid var(--line-dark); border-radius: var(--radius); padding: 28px; transition: transform .15s ease, box-shadow .15s ease; }
.feature-card:hover{ transform: translateY(-3px); box-shadow: 0 20px 40px rgba(22,40,28,0.08); }
.feature-icon{ color: var(--green-dim); margin-bottom: 16px; }
.feature-card h3{ font-size: 19px; margin-bottom: 8px; color: var(--ink); }
.feature-card p{ font-size: 14.5px; color: var(--text-lo); margin:0; }

/* ---------- integrations ---------- */
.integrations{ padding: 60px 0; background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.integration-row{ display:flex; justify-content:center; flex-wrap:wrap; gap: 40px; font-family: var(--font-mono); font-size: 13.5px; color: var(--text-mid); }

/* ---------- CTA band (dark green, like the app's dashboard panel) ---------- */
.cta-band{ padding: 100px 0; background: var(--ink); text-align:center; }
.cta-inner h2{ font-size: clamp(28px, 4vw, 40px); font-weight:600; max-width: 620px; margin: 0 auto 16px; color: var(--on-dark); }
.cta-inner p{ color: var(--on-dark-mid); margin-bottom: 32px; }
.cta-band .btn-solid{ background: var(--green); }
.cta-band .btn-outline{ border-color: var(--on-dark-line); color: var(--on-dark); }
.cta-band .btn-outline:hover{ border-color: var(--green); color: var(--green); }

/* ---------- footer (dark green) ---------- */
.footer{ background: var(--ink); padding: 64px 0 0; color: var(--on-dark-mid); }
.footer-inner{ display:flex; justify-content:space-between; gap: 64px; flex-wrap:wrap; padding-bottom: 48px; }
.footer-brand .brand-word{ color: var(--on-dark); }
.footer-brand p{ color: var(--on-dark-mid); font-size: 14px; margin-top: 10px; max-width: 260px; }
.footer-cols{ display:flex; gap: 64px; flex-wrap:wrap; }
.footer-col h4{ font-family: var(--font-mono); font-size: 12px; text-transform:uppercase; letter-spacing:.08em; color: var(--on-dark-mid); margin: 0 0 16px; }
.footer-col a{ display:block; font-size: 14.5px; color: var(--on-dark-mid); margin-bottom: 12px; }
.footer-col a:hover{ color: var(--green); }
.footer-bottom{ border-top: 1px solid var(--on-dark-line); padding: 20px 32px; font-size: 13px; color: var(--on-dark-mid); }

/* ---------- floating WhatsApp button ---------- */
.wa-float{
  position: fixed; bottom: 26px; right: 26px; width: 54px; height: 54px; border-radius: 50%;
  background: var(--green); display:flex; align-items:center; justify-content:center;
  box-shadow: 0 12px 30px rgba(47,168,84,0.4); z-index: 60; transition: transform .15s ease;
}
.wa-float:hover{ transform: scale(1.06); }
.wa-float svg{ width:26px; height:26px; }

/* ---------- responsive ---------- */
@media (max-width: 900px){
  .hero-inner, .ai-inner{ grid-template-columns: 1fr; }
  .hero-visual{ order: -1; }
  .tab-panel.is-active{ grid-template-columns: 1fr; }
  .tab-visual{ order: -1; }
  .feature-grid{ grid-template-columns: repeat(2,1fr); }
  .nav-links, .nav-cta{ display:none; }
  .nav-toggle{ display:flex; }
  .nav--open .nav-links,
  .nav--open .nav-cta{
    display:flex; flex-direction:column; align-items:flex-start; width:100%;
    position:absolute; top:100%; left:0; background: #fff;
    padding: 16px 32px 24px; border-bottom:1px solid var(--line); gap:4px;
  }
  .nav--open .nav-cta{ top: auto; position:static; flex-direction:row; padding-top:0; border:none; }
  .has-dropdown .dropdown{ position:static; opacity:1; visibility:visible; display:none; box-shadow:none; margin-top:4px; }
  .nav--open .has-dropdown:hover .dropdown{ display:block; }
  .utility-links{ display:none; }
}
@media (max-width: 560px){
  .feature-grid{ grid-template-columns: 1fr; }
  .trust-logos{ gap: 24px; }
  .footer-inner{ flex-direction:column; gap: 32px; }
  .promo-banner{ font-size: 12.5px; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .btn, .feature-card, .tab-panel, .hero-highlight{ transition:none; }
}

/* ---------- Wati-style centered mega hero ---------- */
.hero--center{ padding: 90px 0 0; text-align:center; }
.mega-title{
  font-family: var(--font-body); font-weight: 800;
  font-size: clamp(46px, 7.5vw, 96px); line-height: 1.06; letter-spacing: -0.02em;
  color: var(--ink); margin: 0 auto; max-width: 1080px;
}
.hl{
  display:inline-block; background: #63E08C; color: var(--ink);
  padding: 0 20px; border-radius: 16px; border: 3px solid var(--ink);
  box-shadow: 7px 7px 0 rgba(22,40,28,0.85);
  transition: opacity .25s ease;
}
.mega-sub{
  max-width: 840px; margin: 38px auto 36px;
  font-size: clamp(16px, 2vw, 21px); color: var(--text-mid); line-height: 1.55;
}
.hero-actions--center{ justify-content: center; }
@media (max-width: 560px){
  .hl{ padding: 0 10px; border-width: 2px; box-shadow: 4px 4px 0 rgba(22,40,28,0.85); }
}