/* ── TOKENS ── */
:root {
  --cyan:      oklch(0.72 0.17 208);
  --cyan-dark: oklch(0.55 0.18 208);
  --cyan-pale: oklch(0.94 0.05 208);
  --cyan-glow: oklch(0.72 0.17 208 / 0.15);
  --bg:        oklch(0.985 0.006 210);
  --bg2:       oklch(0.96 0.008 210);
  --surface:   oklch(1 0 0);
  --border:    oklch(0.88 0.01 210);
  --text:      oklch(0.18 0.02 220);
  --muted:     oklch(0.52 0.02 220);
  --on-cyan:   oklch(1 0 0);
  --radius-sm: 12px;
  --radius:    20px;
  --radius-lg: 32px;
  --shadow:    0 4px 24px oklch(0 0 0 / 0.07);
  --shadow-md: 0 8px 40px oklch(0 0 0 / 0.10);
  --transition: 0.35s cubic-bezier(.4,0,.2,1);
}
[data-theme="dark"] {
  --bg:      oklch(0.10 0.015 220);
  --bg2:     oklch(0.14 0.015 220);
  --surface: oklch(0.17 0.015 220);
  --border:  oklch(0.25 0.015 220);
  --text:    oklch(0.94 0.005 210);
  --muted:   oklch(0.62 0.01 210);
  --shadow:  0 4px 24px oklch(0 0 0 / 0.3);
  --shadow-md: 0 8px 40px oklch(0 0 0 / 0.35);
  --cyan-pale: oklch(0.22 0.06 208);
  --cyan-glow: oklch(0.72 0.17 208 / 0.2);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Plus Jakarta Sans', sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; transition: background var(--transition), color var(--transition); overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.tag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: 999px; background: var(--cyan-pale); color: var(--cyan-dark); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px; border-radius: 999px; font-size: 0.95rem; font-weight: 700; transition: var(--transition); }
.btn-primary { background: var(--cyan); color: var(--on-cyan); box-shadow: 0 4px 20px var(--cyan-glow); }
.btn-primary:hover { background: var(--cyan-dark); transform: translateY(-2px); box-shadow: 0 8px 28px var(--cyan-glow); }
.btn-outline { border: 2px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }

.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-left.visible { opacity: 1; transform: none; }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right.visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ── NAV GLASS ── */
nav {
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
  width: calc(100% - 48px); max-width: 1140px; z-index: 100; border-radius: 20px;
  background: oklch(1 0 0 / 0.55); backdrop-filter: blur(24px) saturate(1.8);
  -webkit-backdrop-filter: blur(24px) saturate(1.8);
  border: 1px solid oklch(1 0 0 / 0.45);
  box-shadow: 0 8px 32px oklch(0 0 0 / 0.08), 0 1px 0 oklch(1 0 0 / 0.6) inset;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), top var(--transition), width var(--transition);
}
[data-theme="dark"] nav { background: oklch(0.12 0.015 220 / 0.65); border-color: oklch(1 0 0 / 0.08); box-shadow: 0 8px 32px oklch(0 0 0 / 0.3), 0 1px 0 oklch(1 0 0 / 0.06) inset; }
nav.scrolled { top: 8px; width: calc(100% - 32px); background: oklch(1 0 0 / 0.72); box-shadow: 0 12px 48px oklch(0 0 0 / 0.12), 0 1px 0 oklch(1 0 0 / 0.7) inset; }
[data-theme="dark"] nav.scrolled { background: oklch(0.12 0.015 220 / 0.82); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 24px; padding: 0 20px; }
.nav-logo img { height: 38px; }
.nav-links { display: flex; gap: 4px; list-style: none; }
.nav-links a { font-size: 0.86rem; font-weight: 600; color: var(--muted); padding: 7px 14px; border-radius: 999px; white-space: nowrap; transition: color var(--transition), background var(--transition); }
.nav-links a:hover { color: var(--cyan); background: var(--cyan-glow); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.theme-toggle { width: 38px; height: 38px; border-radius: 50%; background: oklch(1 0 0 / 0.3); border: 1px solid oklch(1 0 0 / 0.3); display: flex; align-items: center; justify-content: center; font-size: 1rem; transition: var(--transition); backdrop-filter: blur(8px); }
[data-theme="dark"] .theme-toggle { background: oklch(1 0 0 / 0.06); border-color: oklch(1 0 0 / 0.1); }
.theme-toggle:hover { background: var(--cyan-pale); border-color: var(--cyan); }
.nav-cta { padding: 9px 20px; font-size: 0.84rem; }
.hamburger { display: none; flex-direction: column; gap: 5px; width: 36px; height: 36px; align-items: center; justify-content: center; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { display: none; flex-direction: column; gap: 0; background: oklch(1 0 0 / 0.9); backdrop-filter: blur(20px); border-top: 1px solid oklch(1 0 0 / 0.3); padding: 12px 20px 20px; border-radius: 0 0 18px 18px; }
[data-theme="dark"] .mobile-menu { background: oklch(0.12 0.015 220 / 0.95); }
.mobile-menu.open { display: flex; }
.mobile-menu a { padding: 12px 4px; font-weight: 600; color: var(--muted); border-bottom: 1px solid var(--border); font-size: 0.95rem; transition: color var(--transition); }
.mobile-menu a:hover { color: var(--cyan); }
.mobile-menu .btn { margin-top: 16px; justify-content: center; }

/* ── HERO ── */
.hero { padding: 160px 0 80px; background: linear-gradient(160deg, var(--bg) 0%, var(--cyan-pale) 100%); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -200px; right: -200px; width: 600px; height: 600px; border-radius: 50%; background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 70%); pointer-events: none; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-tag { margin-bottom: 20px; }
.hero h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 20px; }
.hero h1 span { color: var(--cyan); }
.hero p { font-size: 1.08rem; color: var(--muted); max-width: 480px; margin-bottom: 36px; line-height: 1.75; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-img { position: relative; }
.hero-img img { width: 100%; border-radius: var(--radius-lg); filter: drop-shadow(0 24px 60px oklch(0.72 0.17 208 / 0.25)); animation: float 5s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
.hero-badge { position: absolute; bottom: 20px; left: -20px; background: var(--surface); border-radius: var(--radius-sm); box-shadow: var(--shadow-md); padding: 14px 18px; display: flex; align-items: center; gap: 12px; animation: float 5s ease-in-out infinite reverse; }
.hero-badge-dot { width: 10px; height: 10px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 4px oklch(0.62 0.2 145 / 0.2); animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%, 100% { box-shadow: 0 0 0 4px oklch(0.62 0.2 145 / 0.2); } 50% { box-shadow: 0 0 0 8px oklch(0.62 0.2 145 / 0); } }
.hero-badge-text { font-size: 0.8rem; font-weight: 700; }
.hero-badge-text small { display: block; color: var(--muted); font-weight: 400; font-size: 0.73rem; }

/* ── SECTIONS ── */
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.15; margin: 12px 0; }
.section-header h2 span { color: var(--cyan); }
.section-header p { color: var(--muted); max-width: 520px; margin: 0 auto; font-size: 1.02rem; }

/* ── FEATURES ── */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; transition: var(--transition); position: relative; overflow: hidden; }
.feature-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, var(--cyan-glow), transparent); opacity: 0; transition: var(--transition); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--cyan); }
.feature-card:hover::after { opacity: 1; }
.feature-icon { width: 52px; height: 52px; border-radius: 14px; background: var(--cyan-pale); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 1.4rem; }
.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 0.88rem; color: var(--muted); line-height: 1.7; }

/* ── SPLIT ── */
.split { padding: 80px 0; }
.split-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.split-inner.reverse { direction: rtl; }
.split-inner.reverse > * { direction: ltr; }
.split-content .tag { margin-bottom: 16px; }
.split-content h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 16px; }
.split-content h2 span { color: var(--cyan); }
.split-content p { color: var(--muted); font-size: 1rem; line-height: 1.75; margin-bottom: 24px; }
.check-list { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 0.93rem; color: var(--muted); }
.check-list li::before { content: '✓'; flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--cyan-pale); color: var(--cyan-dark); display: flex; align-items: center; justify-content: center; font-size: 0.7rem; font-weight: 800; margin-top: 1px; }
.split-img img { width: 100%; border-radius: var(--radius-lg); filter: drop-shadow(0 20px 50px oklch(0.72 0.17 208 / 0.2)); }

/* ── CHANNELS ── */
.channels { background: var(--bg2); }
.channels-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.channel-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px 28px; text-align: center; transition: var(--transition); }
.channel-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--cyan); }
.channel-icon { font-size: 2.4rem; margin-bottom: 16px; }
.channel-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.channel-card p { font-size: 0.87rem; color: var(--muted); line-height: 1.65; }
.channel-badge { display: inline-block; margin-top: 16px; padding: 5px 12px; border-radius: 999px; background: var(--cyan-pale); color: var(--cyan-dark); font-size: 0.75rem; font-weight: 700; }

/* ── DEMO ── */
.demo-section { background: var(--bg); padding: 100px 0; }
.demo-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; margin-top: 56px; }
.demo-left { display: flex; flex-direction: column; gap: 36px; }
.demo-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.demo-tab { display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: 999px; font-size: 0.85rem; font-weight: 700; border: 2px solid var(--border); color: var(--muted); background: var(--surface); transition: var(--transition); cursor: pointer; }
.demo-tab.active { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-pale); }
.demo-tab:hover:not(.active) { border-color: var(--cyan); color: var(--cyan); }
.demo-info { display: none; flex-direction: column; gap: 16px; }
.demo-info.active { display: flex; }
.demo-info h3 { font-size: clamp(1.6rem, 2.8vw, 2.2rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.15; }
.demo-info h3 span { color: var(--cyan); }
.demo-info > p { color: var(--muted); font-size: 0.98rem; line-height: 1.75; }
.demo-features { display: flex; flex-direction: column; gap: 14px; margin-top: 4px; }
.demo-feature { display: flex; gap: 12px; align-items: flex-start; }
.demo-feature-icon { width: 38px; height: 38px; border-radius: 10px; flex-shrink: 0; background: var(--cyan-pale); display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.demo-feature-text strong { display: block; font-size: 0.88rem; font-weight: 700; margin-bottom: 2px; }
.demo-feature-text span { font-size: 0.82rem; color: var(--muted); line-height: 1.5; }
.demo-right { display: flex; justify-content: center; align-items: center; }
.demo-stage { width: 100%; display: flex; justify-content: center; }
.demo-panel { display: none; width: 100%; justify-content: center; }
.demo-panel.active { display: flex; }

/* ── HOW IT WORKS ── */
.steps { background: var(--bg); }
.steps-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.steps-track::before { content: ''; position: absolute; top: 28px; left: 14%; right: 14%; height: 2px; background: linear-gradient(90deg, var(--cyan), var(--cyan-dark)); z-index: 0; }
.step { text-align: center; padding: 0 16px; position: relative; z-index: 1; }
.step-num { width: 56px; height: 56px; border-radius: 50%; background: var(--cyan); color: white; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; font-weight: 800; margin: 0 auto 20px; box-shadow: 0 0 0 6px var(--cyan-pale); }
.step h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 0.83rem; color: var(--muted); line-height: 1.65; }

/* ── CTA BAND ── */
.cta-band { background: linear-gradient(135deg, var(--cyan-dark) 0%, var(--cyan) 100%); padding: 80px 0; }
.cta-inner { text-align: center; color: white; }
.cta-inner h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 16px; }
.cta-inner p { opacity: 0.85; font-size: 1.05rem; margin-bottom: 36px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-white { background: white; color: var(--cyan-dark); box-shadow: 0 4px 20px oklch(0 0 0 / 0.15); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 28px oklch(0 0 0 / 0.2); }
.btn-ghost-white { border: 2px solid rgba(255,255,255,0.4); color: white; }
.btn-ghost-white:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }

/* ── CONTACT ── */
.contact { background: var(--bg2); }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.contact-text h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); font-weight: 800; letter-spacing: -0.03em; margin: 12px 0; }
.contact-text h2 span { color: var(--cyan); }
.contact-text p { color: var(--muted); font-size: 1rem; line-height: 1.75; }
.form-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 600; margin-bottom: 6px; color: var(--muted); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 16px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-family: inherit; font-size: 0.9rem; transition: border-color var(--transition); outline: none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--cyan); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit { width: 100%; padding: 14px; border-radius: 999px; }

/* ── FOOTER ── */
footer { background: var(--text); color: var(--bg); padding: 60px 0 32px; }
[data-theme="dark"] footer { background: oklch(0.06 0.01 220); color: var(--text); }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid oklch(1 0 0 / 0.1); margin-bottom: 32px; }
.footer-brand img { height: 36px; filter: brightness(10); margin-bottom: 16px; }
[data-theme="dark"] .footer-brand img { filter: none; }
.footer-brand p { font-size: 0.85rem; opacity: 0.6; line-height: 1.7; max-width: 260px; }
.footer-col h4 { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.4; margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 0.88rem; opacity: 0.65; transition: opacity var(--transition); }
.footer-col ul li a:hover { opacity: 1; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; opacity: 0.4; flex-wrap: wrap; gap: 8px; }

/* ── WHATSAPP MOCK ── */
.wa-shell { max-width: 340px; width: 100%; border-radius: 40px; overflow: hidden; box-shadow: 0 0 0 10px #1a1a1a, 0 0 0 12px #2a2a2a, 0 32px 80px oklch(0 0 0 / 0.35); background: #1a1a1a; }
.wa-notch-bar { background: #075E54; height: 22px; display: flex; align-items: flex-end; justify-content: center; padding-bottom: 2px; }
.wa-notch-cut { width: 72px; height: 18px; background: #1a1a1a; border-radius: 0 0 12px 12px; }
.wa-status-bar { background: #075E54; padding: 2px 16px 6px; display: flex; justify-content: space-between; align-items: center; }
.wa-status-time { color: white; font-size: 0.7rem; font-weight: 700; }
.wa-status-icons { display: flex; gap: 4px; align-items: center; }
.wa-status-icons svg { fill: white; }
.wa-header { background: #075E54; color: white; padding: 8px 12px 12px; display: flex; align-items: center; gap: 10px; }
.wa-back { color: rgba(255,255,255,0.9); font-size: 1.3rem; line-height: 1; flex-shrink: 0; }
.wa-avatar { width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg, #29C5F6, #0086b3); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 0.85rem; color: white; flex-shrink: 0; }
.wa-info { flex: 1; }
.wa-name { font-size: 0.92rem; font-weight: 700; }
.wa-status-txt { font-size: 0.68rem; opacity: 0.85; }
.wa-header-actions { display: flex; gap: 16px; }
.wa-header-actions svg { fill: rgba(255,255,255,0.9); }
.wa-body { height: 360px; overflow-y: auto; padding: 12px 10px; display: flex; flex-direction: column; gap: 6px; scroll-behavior: smooth; background-color: #E8D5B7; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cg fill='%23c9a96e' fill-opacity='0.12'%3E%3Cpath d='M0 0h10v10H0zm20 0h10v10H20zm40 0h10v10H40zm-20 20h10v10H20zm40 0h10v10H60zM0 40h10v10H0zm40 0h10v10H40zm-20 20h10v10H20zm40 0h10v10H60zM0 20h10v10H0zm40 20h10v10H40z'/%3E%3C/g%3E%3C/svg%3E"); }
[data-theme="dark"] .wa-body { background-color: #0b141a; }
.wa-date-chip { align-self: center; background: rgba(225,245,254,0.92); color: #54656f; font-size: 0.68rem; font-weight: 600; padding: 4px 12px; border-radius: 8px; margin: 2px 0 4px; }
[data-theme="dark"] .wa-date-chip { background: rgba(32,44,51,0.92); color: #aebac1; }
.wa-footer { background: #f0f2f5; padding: 8px 10px; display: flex; align-items: center; gap: 8px; }
[data-theme="dark"] .wa-footer { background: #202c33; }
.wa-footer-icon { color: #54656f; flex-shrink: 0; display: flex; align-items: center; }
[data-theme="dark"] .wa-footer-icon { color: #aebac1; }
.wa-input-wrap { flex: 1; background: white; border-radius: 22px; display: flex; align-items: center; padding: 0 14px; box-shadow: 0 1px 2px oklch(0 0 0 / 0.08); }
[data-theme="dark"] .wa-input-wrap { background: #2a3942; }
.wa-input { flex: 1; border: none; background: none; padding: 10px 0; font-family: inherit; font-size: 0.85rem; outline: none; color: #111; }
[data-theme="dark"] .wa-input { color: #e9e9e9; }
.wa-input::placeholder { color: #8696a0; }
.wa-send { width: 44px; height: 44px; border-radius: 50%; background: #25D366; display: flex; align-items: center; justify-content: center; border: none; cursor: pointer; flex-shrink: 0; transition: background 0.2s; }
.wa-send:hover { background: #128C7E; }
.wa-send svg { fill: white; }
.wa-home-bar { background: #f0f2f5; display: flex; justify-content: center; padding: 6px 0 10px; }
[data-theme="dark"] .wa-home-bar { background: #111b21; }
.wa-home-bar-pill { width: 100px; height: 4px; border-radius: 2px; background: #222; }

/* ── BUBBLES ── */
.bubble { max-width: 82%; font-size: 0.83rem; line-height: 1.5; position: relative; animation: popIn 0.22s ease; word-break: break-word; padding: 8px 11px 6px; }
@keyframes popIn { from { opacity: 0; transform: scale(0.92) translateY(6px); } to { opacity: 1; transform: none; } }
.bubble-user { background: #d9fdd3; color: #111; align-self: flex-end; border-radius: 10px 10px 2px 10px; box-shadow: 0 1px 2px oklch(0 0 0 / 0.12); }
[data-theme="dark"] .bubble-user { background: #005c4b; color: #e9e9e9; }
.bubble-bot { background: #fff; color: #111; align-self: flex-start; border-radius: 10px 10px 10px 2px; box-shadow: 0 1px 2px oklch(0 0 0 / 0.12); }
[data-theme="dark"] .bubble-bot { background: #202c33; color: #e9e9e9; }
.bubble-time { font-size: 0.6rem; color: #8696a0; margin-top: 2px; text-align: right; display: flex; align-items: center; justify-content: flex-end; gap: 3px; }
.bubble-user .bubble-time::after { content: '✓✓'; color: #53bdeb; font-size: 0.62rem; letter-spacing: -1px; }
.typing-indicator { display: flex; gap: 4px; align-items: center; padding: 10px 14px; background: #fff; border-radius: 10px 10px 10px 2px; align-self: flex-start; box-shadow: 0 1px 2px oklch(0 0 0 / 0.12); animation: popIn 0.22s ease; position: relative; }
[data-theme="dark"] .typing-indicator { background: #202c33; }
.typing-indicator span { width: 7px; height: 7px; border-radius: 50%; background: #8696a0; animation: typing-bounce 1.3s infinite; display: block; }
.typing-indicator span:nth-child(2) { animation-delay: 0.18s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.36s; }
@keyframes typing-bounce { 0%, 60%, 100% { transform: translateY(0); opacity: 0.5; } 30% { transform: translateY(-5px); opacity: 1; } }

/* quick replies */
.quick-replies { display: flex; gap: 8px; flex-wrap: wrap; align-self: flex-start; margin-top: 4px; }
.quick-btn { padding: 7px 14px; border-radius: 999px; border: 1.5px solid var(--cyan); color: var(--cyan); background: var(--surface); font-size: 0.77rem; font-weight: 600; cursor: pointer; transition: var(--transition); font-family: inherit; }
.quick-btn:hover { background: var(--cyan); color: white; }

/* ── BROWSER MOCK ── */
.browser-shell { max-width: 640px; width: 100%; border-radius: 12px; overflow: hidden; box-shadow: 0 32px 100px oklch(0 0 0 / 0.18); border: 1px solid var(--border); background: var(--surface); }
.browser-titlebar { background: #e8e8e8; border-bottom: 1px solid #d0d0d0; padding: 10px 14px 0; }
[data-theme="dark"] .browser-titlebar { background: #2d2d2d; border-color: #444; }
.browser-titlebar-top { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.browser-dots { display: flex; gap: 7px; }
.browser-dots span { width: 13px; height: 13px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0; transition: font-size 0.15s; }
.browser-dots:hover span { font-size: 8px; color: rgba(0,0,0,0.5); line-height: 1; }
.browser-dots span:nth-child(1) { background: #ff5f57; }
.browser-dots span:nth-child(2) { background: #febc2e; }
.browser-dots span:nth-child(3) { background: #28c840; }
.browser-tabs { display: flex; align-items: flex-end; gap: 2px; margin-left: 8px; flex: 1; }
.browser-tab { background: var(--surface); border: 1px solid var(--border); border-bottom: none; border-radius: 8px 8px 0 0; padding: 6px 14px 8px; font-size: 0.74rem; color: var(--muted); display: flex; align-items: center; gap: 6px; max-width: 160px; }
.browser-tab.active { color: var(--text); background: var(--bg); z-index: 1; }
.browser-tab-favicon { width: 14px; height: 14px; border-radius: 3px; background: var(--cyan); flex-shrink: 0; }
.browser-tab-favicon.gray { background: var(--border); }
.browser-tab-close { margin-left: 4px; opacity: 0.4; font-size: 0.8rem; }
.browser-tab-new { padding: 6px 10px 8px; color: var(--muted); font-size: 1rem; }
.browser-toolbar { background: var(--bg); border-bottom: 1px solid var(--border); padding: 8px 14px; display: flex; align-items: center; gap: 10px; }
.browser-nav-btn { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 0.85rem; cursor: default; }
.browser-nav-btn.disabled { opacity: 0.35; }
.browser-omnibox { flex: 1; background: var(--bg2); border: 1px solid var(--border); border-radius: 22px; padding: 6px 14px; display: flex; align-items: center; gap: 8px; font-size: 0.78rem; color: var(--text); }
.browser-lock { color: #4ade80; font-size: 0.75rem; }
.browser-omnibox-text { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.browser-ext-icons { display: flex; gap: 6px; }
.browser-ext-icon { width: 26px; height: 26px; border-radius: 50%; background: var(--bg2); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 0.75rem; cursor: default; }
.browser-bookmarks { background: var(--bg); border-bottom: 1px solid var(--border); padding: 4px 14px; display: flex; gap: 4px; align-items: center; }
.browser-bookmark { padding: 3px 10px; border-radius: 6px; font-size: 0.72rem; color: var(--muted); display: flex; align-items: center; gap: 5px; cursor: default; }
.browser-bookmark:hover { background: var(--bg2); color: var(--text); }
.browser-page { display: grid; grid-template-columns: 1fr 300px; height: 400px; background: var(--bg); }
.browser-site-content { padding: 20px 16px; display: flex; flex-direction: column; gap: 12px; border-right: 1px solid var(--border); overflow: hidden; }
.fake-nav { display: flex; gap: 10px; align-items: center; padding-bottom: 12px; border-bottom: 1px solid var(--border); margin-bottom: 4px; }
.fake-logo { width: 60px; height: 9px; border-radius: 4px; background: var(--cyan-pale); }
.fake-nav-link { width: 36px; height: 7px; border-radius: 4px; background: var(--border); }
.fake-nav-btn { width: 48px; height: 20px; border-radius: 10px; background: var(--cyan-pale); margin-left: auto; }
.fake-hero { height: 90px; border-radius: 10px; background: linear-gradient(120deg, var(--cyan-pale), var(--bg2)); display: flex; align-items: center; }
.fake-hero-text { display: flex; flex-direction: column; gap: 6px; padding: 14px; width: 100%; }
.site-bar { height: 9px; border-radius: 4px; background: var(--border); }
.site-bar.cyan { background: var(--cyan-pale); }
.site-bar.w90 { width: 90%; } .site-bar.w70 { width: 70%; } .site-bar.w50 { width: 50%; } .site-bar.w35 { width: 35%; }
.fake-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.fake-card { height: 44px; border-radius: 8px; background: var(--surface); border: 1px solid var(--border); }
.browser-widget { display: flex; flex-direction: column; height: 100%; background: var(--surface); }
.widget-header { background: var(--cyan); color: white; padding: 14px 16px; display: flex; align-items: center; gap: 10px; }
.widget-avatar { width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,0.2); border: 2px solid rgba(255,255,255,0.4); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 0.85rem; }
.widget-info .widget-name { font-size: 0.9rem; font-weight: 700; }
.widget-info .widget-status { font-size: 0.68rem; opacity: 0.85; display: flex; align-items: center; gap: 4px; }
.widget-dot { width: 6px; height: 6px; border-radius: 50%; background: #4ade80; display: inline-block; }
.widget-header-close { opacity: 0.7; font-size: 1rem; cursor: pointer; margin-left: auto; }
.widget-body { flex: 1; overflow-y: auto; padding: 10px; display: flex; flex-direction: column; gap: 6px; background: var(--bg); scroll-behavior: smooth; }
.widget-footer { padding: 8px 10px; border-top: 1px solid var(--border); display: flex; gap: 8px; background: var(--surface); align-items: center; }
.widget-footer-icon { color: var(--muted); font-size: 1rem; flex-shrink: 0; }
.widget-input { flex: 1; border: 1px solid var(--border); border-radius: 999px; padding: 7px 12px; font-size: 0.82rem; font-family: inherit; background: var(--bg); color: var(--text); outline: none; transition: border-color 0.2s; }
.widget-input:focus { border-color: var(--cyan); }
.widget-send { width: 32px; height: 32px; border-radius: 50%; background: var(--cyan); border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.widget-send svg { fill: white; }
.bubble-widget-user { background: var(--cyan); color: white; align-self: flex-end; border-radius: 14px 14px 3px 14px; box-shadow: 0 2px 8px var(--cyan-glow); }
.bubble-widget-bot { background: var(--surface); color: var(--text); align-self: flex-start; border-radius: 14px 14px 14px 3px; border: 1px solid var(--border); }
.typing-widget { background: var(--surface); border: 1px solid var(--border); }
.widget-powered { text-align: center; font-size: 0.63rem; color: var(--muted); padding: 4px 0; background: var(--surface); border-top: 1px solid var(--border); }

/* ── APP MOCK ── */
.app-shell { max-width: 300px; width: 100%; border-radius: 44px; overflow: hidden; box-shadow: 0 0 0 10px #111, 0 0 0 12px #2a2a2a, 0 32px 80px oklch(0 0 0 / 0.35); background: #111; }
.app-notch-row { background: var(--cyan); height: 26px; display: flex; align-items: flex-end; justify-content: center; padding-bottom: 3px; }
.app-notch-pill { width: 72px; height: 17px; background: #111; border-radius: 0 0 12px 12px; }
.app-navbar { background: var(--cyan); color: white; padding: 8px 14px 12px; display: flex; align-items: center; gap: 10px; }
.app-back-btn { color: white; font-size: 1.3rem; font-weight: 300; flex-shrink: 0; opacity: 0.9; }
.app-nav-avatar { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.25); border: 2px solid rgba(255,255,255,0.5); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 0.85rem; color: white; flex-shrink: 0; }
.app-nav-center { flex: 1; }
.app-nav-name { font-size: 0.9rem; font-weight: 700; color: white; line-height: 1.2; }
.app-nav-status { font-size: 0.68rem; color: rgba(255,255,255,0.85); }
.app-nav-actions { display: flex; gap: 16px; align-items: center; }
.app-nav-actions svg { fill: white; opacity: 0.9; }
.app-body { background: #f5f5f5; height: 340px; overflow-y: auto; padding: 12px 12px 6px; display: flex; flex-direction: column; gap: 10px; scroll-behavior: smooth; }
[data-theme="dark"] .app-body { background: #1a1a2e; }
.app-date-chip { align-self: center; color: #888; font-size: 0.63rem; font-weight: 600; margin-bottom: 2px; text-transform: uppercase; letter-spacing: 0.04em; }
.bubble-app-user { background: #c7e8fb; color: #1a2a3a; align-self: flex-end; border-radius: 16px 16px 4px 16px; font-size: 0.83rem; padding: 10px 14px 6px; }
.bubble-app-bot { background: #dff0fa; color: #1a2a3a; align-self: flex-start; border-radius: 16px 16px 16px 4px; font-size: 0.83rem; padding: 10px 14px 6px; }
[data-theme="dark"] .bubble-app-user { background: #1d4a6b; color: #e8f4fd; }
[data-theme="dark"] .bubble-app-bot { background: #153550; color: #e8f4fd; }
.bubble-app-user .bubble-time, .bubble-app-bot .bubble-time { color: #6b8da0; }
.typing-app { background: #dff0fa; border-radius: 16px 16px 16px 4px; padding: 10px 14px; }
[data-theme="dark"] .typing-app { background: #153550; }
.app-footer { background: #222; padding: 10px 14px; display: flex; gap: 10px; align-items: center; }
.app-input-wrap { flex: 1; background: #333; border-radius: 22px; padding: 0 14px; display: flex; align-items: center; }
.app-input { flex: 1; border: none; background: none; padding: 10px 0; font-size: 0.83rem; font-family: inherit; color: #ccc; outline: none; }
.app-input::placeholder { color: #888; }
.app-send { width: 34px; height: 34px; border-radius: 50%; background: var(--cyan); border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: background 0.2s; }
.app-send:hover { background: var(--cyan-dark); }
.app-send svg { fill: white; }
.app-home-indicator { background: #222; display: flex; justify-content: center; padding: 6px 0 10px; }
.app-home-pill { width: 100px; height: 4px; border-radius: 2px; background: #555; }

/* ── WA FLOAT ── */
.wa-float { position: fixed; bottom: 28px; right: 28px; z-index: 200; width: 56px; height: 56px; border-radius: 50%; background: #25D366; color: white; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; box-shadow: 0 4px 20px oklch(0.5 0.2 145 / 0.4); transition: var(--transition); text-decoration: none; }
.wa-float:hover { transform: scale(1.1); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-cta { display: none; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-img { order: -1; max-width: 400px; margin: 0 auto; }
  .hero-badge { left: 0; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .split-inner { grid-template-columns: 1fr; gap: 40px; }
  .split-inner.reverse { direction: ltr; }
  .channels-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .steps-track { grid-template-columns: 1fr 1fr; gap: 40px; }
  .steps-track::before { display: none; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .demo-layout { grid-template-columns: 1fr; gap: 40px; }
  .demo-tabs { justify-content: center; }
  .demo-info h3 { text-align: center; }
  .demo-info > p { text-align: center; }
}
@media (max-width: 600px) {
  .section { padding: 72px 0; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-track { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}