/* ===== Theme ===== */
:root {
  --blue: #2f6edb;
  --blue-dark: #2459b8;
  --butter: #f8e28c;
  --butter-deep: #eac95c;
  --bg: #ffffff;
  --bg-tint: #f4f7fc;
  --card: #ffffff;
  --text: #141a2a;
  --muted: #5b6477;
  --line: rgba(20, 26, 42, 0.1);
  --ok-bg: #e6f6ee; --ok: #1d7a4b;
  --warn-bg: #fff4d6; --warn: #8a5a00;
  --bad-bg: #fdeaea; --bad: #b42318;
  --shadow: 0 20px 50px rgba(22, 40, 90, 0.12);
  --radius: 18px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e121b;
    --bg-tint: #131926;
    --card: #182030;
    --text: #edf1f8;
    --muted: #9ba5b9;
    --line: rgba(255, 255, 255, 0.1);
    --ok-bg: #133325; --ok: #6fdba5;
    --warn-bg: #3a2e0e; --warn: #f5d27a;
    --bad-bg: #3b1a1a; --bad: #ffa59a;
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    color-scheme: dark;
  }
}

/* ===== Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 12px; }
a { color: var(--blue); }
.container { width: min(1140px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(780px, 100% - 32px); }
.center { text-align: center; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: var(--card); padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }

.eyebrow {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 10px;
}
.section { padding: clamp(64px, 9vw, 110px) 0; }
.section-tint { background: var(--bg-tint); }
.section-lede { color: var(--muted); font-size: 1.08rem; max-width: 640px; }
.section-lede.center { margin: 0 auto 40px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 700; text-decoration: none; cursor: pointer;
  padding: 13px 22px; border-radius: 12px; border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 8px 20px rgba(47, 110, 219, 0.3); }
.btn-primary:hover { background: var(--blue-dark); }
.btn-ghost { background: var(--card); color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue); }
.btn-sm { padding: 9px 16px; font-size: 0.92rem; }

/* ===== Orb ===== */
.orb {
  display: block; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--butter));
  box-shadow: 0 0 30px rgba(47, 110, 219, 0.45), 0 0 60px rgba(248, 226, 140, 0.35);
  animation: float 3s ease-in-out infinite;
}
.brand-orb {
  width: 22px; height: 22px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--butter));
  box-shadow: 0 0 12px rgba(47, 110, 219, 0.45);
}
@keyframes float { 0%, 100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-4px) scale(1.03); } }
@keyframes speak { from { transform: scale(1.04); filter: brightness(1); } to { transform: scale(1.16); filter: brightness(1.2); } }
@keyframes ring { 0% { transform: scale(0.75); opacity: 0; } 30% { opacity: 0.55; } 100% { transform: scale(1.4); opacity: 0; } }

/* ===== Nav ===== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 68px; }
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.25rem; letter-spacing: 0.04em; color: var(--text); text-decoration: none;
}
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); }

/* ===== Hero ===== */
.hero {
  padding: clamp(56px, 8vw, 100px) 0 clamp(64px, 9vw, 110px);
  background:
    radial-gradient(600px 400px at 85% 20%, rgba(248, 226, 140, 0.25), transparent 70%),
    radial-gradient(700px 500px at 70% 60%, rgba(47, 110, 219, 0.14), transparent 70%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hl { background: linear-gradient(135deg, var(--blue), var(--butter-deep)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: 1.18rem; color: var(--muted); max-width: 560px; margin: 18px 0 28px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-points { list-style: none; padding: 0; margin: 32px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points li {
  font-size: 0.88rem; font-weight: 600; color: var(--muted);
  padding: 6px 12px 6px 28px; border-radius: 999px; border: 1px solid var(--line); background: var(--card);
  position: relative;
}
.hero-points li::before {
  content: ""; position: absolute; left: 11px; top: 50%; width: 8px; height: 8px; margin-top: -4px;
  border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--butter));
}

.hero-visual { position: relative; display: flex; flex-direction: column; align-items: center; min-height: 540px; justify-content: center; }
.orb-stage {
  position: relative; width: 240px; height: 240px; display: grid; place-items: center;
  border: none; background: transparent; cursor: pointer; border-radius: 50%; padding: 0;
}
.orb-stage .orb { width: 150px; height: 150px; position: relative; z-index: 2; }
.ring { position: absolute; inset: 0; border-radius: 50%; border: 2px solid rgba(47, 110, 219, 0.35); animation: ring 3s ease-out infinite; }
.ring.r2 { animation-delay: 1s; } .ring.r3 { animation-delay: 2s; }
.speaking .orb { animation: speak 0.45s ease-in-out infinite alternate; }
.speaking .ring { border-color: rgba(234, 201, 92, 0.8); animation-duration: 1.4s; }
.orb-hint { color: var(--muted); font-size: 0.9rem; font-weight: 600; margin-top: 8px; }
.bubble {
  position: absolute; max-width: 270px; padding: 12px 16px; border-radius: 16px;
  font-size: 0.9rem; box-shadow: var(--shadow); border: 1px solid var(--line);
}
.bubble-user { top: 0; left: -4%; background: var(--blue); color: #fff; border-bottom-right-radius: 4px; border-color: transparent; }
.bubble-remi { bottom: 0; right: -4%; background: var(--card); border-bottom-left-radius: 4px; }

/* ===== Steps ===== */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.step p { color: var(--muted); margin: 0; }
.step-num {
  display: grid; place-items: center; width: 36px; height: 36px; margin-bottom: 16px;
  border-radius: 10px; font-weight: 800; color: #fff; background: linear-gradient(135deg, var(--blue), var(--butter-deep));
}

/* ===== Demo ===== */
.demo { display: grid; grid-template-columns: 1.2fr 1fr; gap: 20px; align-items: start; }
.demo-board, .demo-chat {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.demo-board { padding: 22px; }
.board-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.board-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin: 0; }
.board-head h3 { margin: 2px 0 0; }
.pill { font-size: 0.75rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; white-space: nowrap; }
.pill-ok { background: var(--ok-bg); color: var(--ok); }
.pill-warn { background: var(--warn-bg); color: var(--warn); }
.pill-bad { background: var(--bad-bg); color: var(--bad); }
.drivers { display: grid; gap: 12px; }
.driver { border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; background: var(--bg-tint); }
.driver-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.driver dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 0 0 8px; }
.driver dt { font-size: 0.72rem; color: var(--muted); font-weight: 600; }
.driver dd { margin: 0; font-weight: 700; font-size: 0.92rem; }
.flag { margin: 0; font-size: 0.82rem; font-weight: 600; color: var(--warn); }
.flag::before { content: "\26A0\FE0E  "; }

.demo-chat { display: flex; flex-direction: column; height: 100%; min-height: 520px; overflow: hidden; }
.chat-head { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.chat-head strong { display: block; }
.chat-status { margin: 0; font-size: 0.82rem; color: var(--muted); }
.mini-orb { width: 40px; height: 40px; border: none; background: transparent; padding: 0; cursor: pointer; display: grid; place-items: center; border-radius: 50%; }
.mini-orb .orb { width: 30px; height: 30px; }
.voice-toggle {
  margin-left: auto; font: inherit; font-size: 0.8rem; font-weight: 700; cursor: pointer;
  padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg-tint); color: var(--text);
}
.voice-toggle[aria-pressed="false"] { color: var(--muted); }
.chat-log { flex: 1; overflow-y: auto; padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; max-height: 340px; }
.msg { max-width: 88%; padding: 10px 14px; border-radius: 14px; font-size: 0.93rem; }
.msg-user { align-self: flex-end; background: var(--blue); color: #fff; border-bottom-right-radius: 4px; }
.msg-remi { align-self: flex-start; background: var(--bg-tint); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg-typing { color: var(--muted); font-style: italic; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px 18px 4px; border-top: 1px solid var(--line); }
.chip {
  font: inherit; font-size: 0.85rem; font-weight: 600; cursor: pointer; text-align: left;
  padding: 8px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--text);
}
.chip:hover:not(:disabled) { border-color: var(--blue); color: var(--blue); }
.chip:disabled { opacity: 0.45; cursor: default; }
.demo-note { font-size: 0.78rem; color: var(--muted); padding: 8px 18px 16px; margin: 0; }

/* ===== Features ===== */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.feature { padding: 26px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); }
.feature h3::before {
  content: ""; display: block; width: 28px; height: 28px; border-radius: 50%; margin-bottom: 14px;
  background: linear-gradient(135deg, var(--blue), var(--butter));
  box-shadow: 0 0 14px rgba(47, 110, 219, 0.35);
}
.feature p { color: var(--muted); margin: 0; }

/* ===== Beyond ===== */
.beyond { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.uses { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.uses li {
  display: flex; flex-direction: column; padding: 18px 20px; border-radius: 14px;
  background: var(--card); border: 1px solid var(--line);
}
.uses span { color: var(--muted); font-size: 0.93rem; }

/* ===== Plans ===== */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan {
  position: relative; display: flex; flex-direction: column; padding: 30px 26px;
  border-radius: var(--radius); border: 1px solid var(--line); background: var(--card);
}
.plan-featured { border: 2px solid var(--blue); box-shadow: var(--shadow); }
.plan-tag {
  position: absolute; top: -13px; left: 26px; font-size: 0.75rem; font-weight: 700;
  padding: 4px 10px; border-radius: 999px; background: var(--blue); color: #fff;
}
.plan-for { color: var(--muted); }
.plan ul { padding: 0; margin: 8px 0 24px; list-style: none; display: grid; gap: 10px; flex: 1; }
.plan li { padding-left: 24px; position: relative; }
.plan li::before { content: "\2713"; position: absolute; left: 0; color: var(--blue); font-weight: 800; }

/* ===== FAQ ===== */
.faq { margin-top: 36px; display: grid; gap: 12px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 4px 20px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none; position: relative; padding-right: 28px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 10px; font-size: 1.4rem; color: var(--blue); }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { color: var(--muted); }

/* ===== Contact ===== */
.contact { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
.contact-form {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 28px; display: grid; gap: 16px;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: grid; gap: 6px; font-size: 0.88rem; font-weight: 700; }
.contact-form input, .contact-form select, .contact-form textarea {
  font: inherit; font-weight: 400; padding: 11px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg); color: var(--text); width: 100%;
}
.contact-form textarea { resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: 2px solid var(--blue); outline-offset: -1px; }
.contact-form [aria-invalid="true"] { border-color: var(--bad); }
.trap { position: absolute; left: -9999px; }
.form-status { margin: 0; font-weight: 600; min-height: 1.5em; }
.form-status.ok { color: var(--ok); }
.form-status.err { color: var(--bad); }

/* ===== Footer ===== */
.footer { border-top: 1px solid var(--line); padding: 28px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer p { margin: 0; color: var(--muted); font-size: 0.9rem; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .hero-grid, .demo, .beyond, .contact { grid-template-columns: 1fr; }
  .steps, .features, .plans { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .hero-visual { min-height: 480px; }
  .bubble-user { left: 0; } .bubble-remi { right: 0; }
}
@media (max-width: 620px) {
  .steps, .features, .plans, .field-row { grid-template-columns: 1fr; }
  .driver dl { grid-template-columns: 1fr 1fr; }
  .hero-visual { min-height: 0; gap: 8px; }
  .bubble { position: static; max-width: 85%; font-size: 0.85rem; }
  .bubble-user { align-self: flex-start; order: -1; }
  .bubble-remi { align-self: flex-end; margin-top: 8px; }
  .orb-stage { width: 190px; height: 190px; }
  .orb-stage .orb { width: 118px; height: 118px; }
  .plans { gap: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .orb, .ring { animation: none !important; }
  .btn:hover { transform: none; }
}