/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #fafafa;
  --bg-alt: #f0f0f0;
  --surface: #ffffff;
  --text: #111111;
  --text-muted: #666666;
  --text-light: #999999;
  --border: #e5e5e5;
  --accent: #111111;
  --whatsapp: #25D366;
  --whatsapp-dark: #1da851;
  --score-low: #ef4444;
  --score-mid: #f59e0b;
  --score-high: #22c55e;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1100px;
  --nav-height: 64px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow { max-width: 640px; }

/* ── Nav ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 250, .9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-height);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: .9375rem;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: scale(.97) translateY(0); }

.btn .icon { width: 20px; height: 20px; flex-shrink: 0; }

.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
  padding: 12px 24px;
  box-shadow: 0 2px 8px rgba(37, 211, 102, .3);
}

.btn-whatsapp:hover {
  background: var(--whatsapp-dark);
  box-shadow: 0 6px 20px rgba(37, 211, 102, .45);
}

.btn-lg { padding: 16px 32px; font-size: 1.0625rem; }
.btn-lg .icon { width: 22px; height: 22px; }

.btn-sm { padding: 8px 18px; font-size: .875rem; }
.btn-sm .icon { width: 16px; height: 16px; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 12px 24px;
}

.btn-primary:hover {
  background: #333;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .15);
}

/* ── Hero ── */
.hero {
  padding: 48px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  text-align: left;
}

.hero-badge {
  display: inline-block;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.trust-signals {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}

.trust-signals li {
  font-size: .875rem;
  font-weight: 500;
  color: var(--text);
}

.hero-demo {
  display: flex;
  justify-content: center;
}

/* ── USP Strip ── */
.usp-strip {
  background: var(--accent);
  color: #fff;
  padding: 32px 0;
}

.usp-text {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  text-align: center;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto;
}

.usp-text strong {
  font-weight: 600;
  color: #fff;
}

/* ── Sections ── */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.0625rem;
  margin-bottom: 40px;
}

/* ── Phone Mockup ── */
.phone-mockup {
  width: 100%;
  max-width: 340px;
  background: #e5ddd5;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.phone-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #075e54;
  color: #fff;
  padding: 12px 16px;
  gap: 12px;
}

.phone-back { font-size: 1.5rem; opacity: .8; }

.phone-contact {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.phone-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .875rem;
}

.phone-name { font-weight: 600; font-size: .9375rem; }
.phone-status { font-size: .75rem; opacity: .7; }
.phone-actions { opacity: .7; }

.phone-chat {
  padding: 16px 12px;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23d4cdc4' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.chat-bubble {
  max-width: 88%;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: .875rem;
  line-height: 1.5;
}

.chat-incoming {
  align-self: flex-start;
  background: #fff;
  border-top-left-radius: 0;
}

.chat-outgoing {
  align-self: flex-end;
  background: #dcf8c6;
  border-top-right-radius: 0;
}

.chat-time {
  display: block;
  font-size: .6875rem;
  color: var(--text-light);
  text-align: right;
  margin-top: 4px;
}

.fake-image-placeholder {
  background: #f0f0f0;
  border-radius: 6px;
  padding: 12px;
  text-align: center;
  margin-top: 6px;
}

.fake-image-placeholder span { font-size: 1.5rem; }
.fake-image-placeholder p {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: 6px;
  font-style: italic;
}

.chat-result { padding: 12px; max-width: 92%; }

.result-header { margin-bottom: 8px; }

.result-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: #075e54;
}

.result-pin {
  font-size: .8125rem;
  margin-bottom: 10px;
  line-height: 1.4;
}

.trust-score {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.score-ring {
  position: relative;
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}

.score-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.score-bg {
  fill: none;
  stroke: #e5e5e5;
  stroke-width: 6;
}

.score-fill {
  fill: none;
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 264;
  transition: stroke-dashoffset 1.5s ease;
}

.score-fill-low { stroke: var(--score-low); stroke-dashoffset: 190; }

.score-number {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8125rem;
  font-weight: 800;
  color: var(--score-low);
}

.score-label {
  display: block;
  font-size: .75rem;
  font-weight: 700;
  color: var(--text);
}

.score-sublabel {
  display: block;
  font-size: .6875rem;
  color: var(--score-low);
  font-weight: 600;
}

.result-why, .result-sources {
  font-size: .8125rem;
  margin-bottom: 6px;
  line-height: 1.4;
}

.result-why strong, .result-sources strong {
  display: block;
  margin-bottom: 2px;
}

.source-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.source-tag {
  font-size: .6875rem;
  font-weight: 600;
  background: #e8f5e9;
  color: #2e7d32;
  padding: 2px 8px;
  border-radius: 100px;
}

.phone-input {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f0f0f0;
  padding: 10px 16px;
  font-size: .875rem;
  color: var(--text-light);
  border-top: 1px solid #ddd;
}

.phone-mic { font-size: 1.25rem; }

/* ── Platform Grid ── */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.platform-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  font-weight: 600;
  font-size: .875rem;
  transition: box-shadow .2s ease, transform .2s ease;
}

.platform-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.platform-icon {
  font-size: 1.75rem;
  line-height: 1;
}

/* ── Steps Horizontal ── */
.steps-horizontal {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  max-width: 720px;
  margin: 0 auto;
}

.step-mini {
  flex: 1;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  transition: box-shadow .2s ease, transform .2s ease;
}

.step-mini:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.step-mini-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  margin: 0 auto 12px;
}

.step-mini h3 {
  font-size: .9375rem;
  font-weight: 700;
}

.step-mini-arrow {
  font-size: 1.25rem;
  color: var(--text-light);
  flex-shrink: 0;
}

/* ── Reliability Card ── */
.reliability-card {
  max-width: 420px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.reliability-header {
  font-size: .875rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.reliability-score {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}

.reliability-label {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--score-high);
  margin-bottom: 20px;
}

.reliability-meta {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.reliability-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-label {
  font-size: .75rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: .04em;
}

.meta-value {
  font-size: .9375rem;
  font-weight: 700;
  color: var(--score-high);
}

.reliability-desc {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.score-low { color: var(--score-low); }
.score-high { color: var(--score-high); }

/* ── Why Grid ── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.why-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: box-shadow .2s ease, transform .2s ease;
}

.why-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.why-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 16px;
}

.why-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.why-card p {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Recent Verifications ── */
.recent-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 700px;
  margin: 0 auto;
}

.recent-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  transition: box-shadow .2s ease, transform .2s ease;
}

.recent-item:hover {
  box-shadow: var(--shadow);
  transform: translateX(4px);
}

.recent-type {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-light);
}

.recent-title {
  font-size: .9375rem;
  font-weight: 500;
  margin-top: 2px;
}

.recent-score {
  font-size: 1.25rem;
  font-weight: 800;
  flex-shrink: 0;
  min-width: 56px;
  text-align: right;
}

/* ── FAQ ── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .2s ease;
}

.faq-item:hover { box-shadow: var(--shadow); }

.faq-item summary {
  padding: 16px 20px;
  font-weight: 600;
  font-size: .9375rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-light);
  transition: transform .2s;
}

.faq-item[open] summary::after { content: '−'; }

.faq-item p {
  padding: 0 20px 16px;
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── CTA ── */
.cta-section {
  text-align: center;
  padding: 88px 0;
}

.cta-title {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.cta-subtitle {
  color: var(--text-muted);
  font-size: 1.125rem;
  margin-bottom: 32px;
}

/* ── Waitlist ── */
.coming-soon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 40px;
}

.coming-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-weight: 500;
  font-size: .875rem;
  transition: box-shadow .2s ease, transform .2s ease;
}

.coming-item:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.coming-icon { font-size: 1.5rem; }

.waitlist-form-wrapper { text-align: center; }

.waitlist-link { margin: 0 auto; }

.waitlist-note {
  font-size: .8125rem;
  color: var(--text-light);
  margin-top: 12px;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
}

.footer-brand p {
  font-size: .875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.footer-trust {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.footer-trust span {
  font-size: .8125rem;
  font-weight: 500;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: .875rem;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color .15s;
}

.footer-links a:hover { color: var(--text); }

.footer-copy {
  grid-column: 1 / -1;
  font-size: .8125rem;
  color: var(--text-light);
  margin-top: 8px;
}

/* ── Animations ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-result {
  animation: fadeInUp .6s ease forwards;
  animation-delay: .6s;
  opacity: 0;
}

.chat-result.visible { opacity: 1; }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay { transition-delay: .15s; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-content { text-align: center; }

  .trust-signals { align-items: center; }

  .hero-demo { order: -1; }

  .platform-grid { grid-template-columns: repeat(2, 1fr); }

  .why-grid { grid-template-columns: 1fr; }

  .steps-horizontal {
    flex-direction: column;
    gap: 8px;
  }

  .step-mini-arrow { transform: rotate(0deg); }
}

@media (max-width: 640px) {
  .hero { padding: 32px 0 40px; }
  .section { padding: 56px 0; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; }
  .nav .btn-sm span:not(.icon) { display: none; }
  .btn-sm { padding: 8px 12px; }
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-trust { flex-direction: column; gap: 8px; }
}