/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #F9F6F0;
  --bg-alt: #EDE9E0;
  --green: #2A5C3F;
  --green-light: #3A7A54;
  --green-dark: #1A3F2A;
  --amber: #C9893B;
  --amber-light: #E0A848;
  --text: #1A1A18;
  --text-muted: #6B6860;
  --text-light: #9E9C94;
  --white: #FDFCF9;
  --card: #F4F1EB;
  --border: #D9D5CC;
  --font-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --radius: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 3px rgba(26,26,24,0.07), 0 1px 2px rgba(26,26,24,0.05);
  --shadow: 0 4px 16px rgba(26,26,24,0.09), 0 2px 6px rgba(26,26,24,0.06);
  --shadow-lg: 0 12px 40px rgba(26,26,24,0.12), 0 4px 16px rgba(26,26,24,0.08);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-light); }

/* ===== SELECTION ===== */
::selection { background: var(--green); color: var(--white); }

/* ===== NAV ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(249,246,240,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--green);
  letter-spacing: -0.02em;
}

.nav__tagline {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 400;
}

/* ===== HERO ===== */
.hero {
  min-height: calc(100vh - 60px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 0 60px;
  overflow: hidden;
}

.hero__inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green);
  color: var(--white);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 99px;
  margin-bottom: 28px;
  letter-spacing: 0.01em;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber-light);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(38px, 4.5vw, 62px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}

.hero__headline-accent {
  color: var(--green);
  font-style: italic;
}

.hero__sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 0;
}

/* ===== PHONE MOCKUP ===== */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero__phone {
  width: 280px;
  background: var(--text);
  border-radius: 40px;
  padding: 14px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.05);
}

.hero__phone-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4px 10px;
  color: rgba(255,255,255,0.5);
  font-size: 12px;
  font-family: var(--font-body);
}

.hero__phone-status {
  display: flex;
  align-items: center;
  gap: 5px;
  color: rgba(255,255,255,0.4);
}

.hero__phone-screen {
  background: #1A1A18;
  border-radius: 28px;
  padding: 20px 16px 16px;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero__waveform {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 40px;
  padding: 8px 0;
  background: var(--green-dark);
  border-radius: 8px;
}

.hero__waveform-bar {
  width: 3px;
  height: 14px;
  background: var(--green-light);
  border-radius: 2px;
  opacity: 0.5;
  animation: wave 1.2s ease-in-out infinite;
}

.hero__waveform-bar:nth-child(1) { animation-delay: 0s; }
.hero__waveform-bar:nth-child(2) { animation-delay: 0.08s; }
.hero__waveform-bar:nth-child(3) { animation-delay: 0.16s; }
.hero__waveform-bar:nth-child(4) { animation-delay: 0.04s; }
.hero__waveform-bar:nth-child(5) { animation-delay: 0.12s; height: 24px; opacity: 1; background: var(--green); }
.hero__waveform-bar:nth-child(6) { animation-delay: 0.2s; }
.hero__waveform-bar:nth-child(7) { animation-delay: 0.06s; height: 22px; }
.hero__waveform-bar:nth-child(8) { animation-delay: 0.14s; }
.hero__waveform-bar:nth-child(9) { animation-delay: 0.22s; height: 20px; }
.hero__waveform-bar:nth-child(10) { animation-delay: 0.1s; }
.hero__waveform-bar:nth-child(11) { animation-delay: 0.18s; height: 24px; }
.hero__waveform-bar:nth-child(12) { animation-delay: 0.02s; }
.hero__waveform-bar:nth-child(13) { animation-delay: 0.26s; height: 20px; }
.hero__waveform-bar:nth-child(14) { animation-delay: 0.08s; }
.hero__waveform-bar:nth-child(15) { animation-delay: 0.2s; height: 22px; }

@keyframes wave {
  0%, 100% { height: 10px; opacity: 0.4; }
  50% { height: 28px; opacity: 1; }
}

.hero__transcript {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.hero__transcript-line {
  font-size: 11.5px;
  line-height: 1.5;
  padding: 8px 10px;
  border-radius: 10px;
  color: rgba(255,255,255,0.7);
}

.hero__transcript-line--incoming {
  background: rgba(255,255,255,0.07);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
  max-width: 88%;
}

.hero__transcript-line--outgoing {
  background: rgba(42,92,63,0.3);
  border-bottom-right-radius: 4px;
  align-self: flex-end;
  max-width: 88%;
  color: rgba(255,255,255,0.85);
}

.hero__transcript-line--accent {
  background: rgba(201,137,59,0.2);
  border: 1px solid rgba(201,137,59,0.3);
}

.hero__transcript-label {
  display: block;
  font-size: 10px;
  font-weight: 500;
  color: var(--green-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 3px;
}

.hero__transcript-line--outgoing .hero__transcript-label {
  color: var(--amber-light);
}

.hero__transcript-line--accent .hero__transcript-label {
  color: var(--amber);
}

.hero__call-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  justify-content: center;
  margin-top: 4px;
}

.hero__call-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4CAF50;
  animation: pulse 1.5s ease-in-out infinite;
}

.hero__scroll-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-light);
  font-size: 13px;
  margin-top: 60px;
  padding-bottom: 16px;
  animation: bounce 2.5s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem__inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 32px;
}

.problem__header {
  margin-bottom: 56px;
}

.problem__eyebrow {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--amber);
  margin-bottom: 16px;
}

.problem__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text);
  max-width: 640px;
}

.problem__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 20px;
}

.problem__card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.problem__card--wide {
  grid-column: 1 / -1;
}

.problem__card-icon {
  width: 40px;
  height: 40px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.problem__card p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-muted);
}

.problem__card p strong {
  color: var(--text);
  font-weight: 600;
}

.problem__divider {
  margin-top: 48px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.problem__divider::before,
.problem__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.problem__divider-label {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--green);
  white-space: nowrap;
  letter-spacing: -0.01em;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 0;
}

.features__inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 32px;
}

.features__header {
  margin-bottom: 56px;
  max-width: 640px;
}

.features__eyebrow {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--amber);
  margin-bottom: 16px;
}

.features__title {
  font-family: var(--font-display);
  font-size: clamp(26px, 2.8vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text);
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.feature-card__number {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--green);
  background: var(--bg);
  border: 1px solid var(--border);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-card__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.feature-card__desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.feature-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.feature-card__list li {
  font-size: 13px;
  color: var(--text-light);
  padding-left: 16px;
  position: relative;
}

.feature-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
  opacity: 0.5;
}

/* ===== USE CASES ===== */
.usecases {
  padding: 100px 0;
  background: var(--green);
  color: var(--white);
}

.usecases__inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 32px;
}

.usecases__header {
  text-align: center;
  margin-bottom: 64px;
}

.usecases__eyebrow {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--amber);
  margin-bottom: 14px;
}

.usecases__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.5vw, 48px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.usecases__subtitle {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

.usecases__timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.usecases__timeline::before {
  content: '';
  position: absolute;
  left: 112px;
  top: 20px;
  bottom: 20px;
  width: 1px;
  background: rgba(255,255,255,0.15);
}

.usecase-row {
  display: grid;
  grid-template-columns: 100px 24px 1fr;
  gap: 20px;
  align-items: flex-start;
  padding: 16px 0;
}

.usecase-time {
  font-size: 11px;
  font-weight: 500;
  color: rgba(255,255,255,0.4);
  text-align: right;
  padding-top: 12px;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-body);
}

.usecase-marker {
  display: flex;
  justify-content: center;
  padding-top: 16px;
}

.usecase-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  border: 2px solid var(--green);
  box-shadow: 0 0 0 4px var(--green);
  position: relative;
  z-index: 1;
}

.usecase-dot--done {
  background: var(--amber);
  box-shadow: 0 0 0 4px var(--green);
}

.usecase-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.usecase-card__label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 6px;
}

.usecase-card__label--lyra {
  color: var(--green-light);
}

.usecase-card__label--action {
  color: var(--amber);
}

.usecase-card__label--done {
  color: var(--amber);
}

.usecase-card__text {
  font-size: 13.5px;
  color: rgba(255,255,255,0.75);
  line-height: 1.55;
}

/* ===== VOICE ===== */
.voice {
  padding: 100px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.voice__inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 32px;
}

.voice__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.voice__eyebrow {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--amber);
  margin-bottom: 16px;
}

.voice__title {
  font-family: var(--font-display);
  font-size: clamp(26px, 2.8vw, 40px);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.voice__desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
}

.voice__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.voice__stat {
  background: var(--card);
  padding: 20px;
  text-align: center;
}

.voice__stat-value {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--green);
  letter-spacing: -0.03em;
  display: block;
  margin-bottom: 4px;
}

.voice__stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.voice__quote-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
  position: relative;
}

.voice__quote-mark {
  font-family: var(--font-display);
  font-size: 72px;
  color: var(--green);
  line-height: 0.8;
  opacity: 0.3;
  position: absolute;
  top: 32px;
  left: 36px;
}

.voice__quote {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  letter-spacing: -0.01em;
  padding-top: 24px;
  font-style: italic;
}

.voice__quote-attr {
  display: block;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-light);
  font-style: normal;
  font-family: var(--font-body);
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 0;
  background: var(--text);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.closing__inner {
  max-width: 840px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

.closing__orb {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(42,92,63,0.5) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
}

.closing__content {
  text-align: center;
}

.closing__headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 50px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 28px;
}

.closing__headline-accent {
  color: var(--amber);
}

.closing__sub {
  font-size: 16px;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto 32px;
}

.closing__vision {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  max-width: 580px;
  margin: 0 auto;
}

.closing__vision br {
  margin-bottom: 4px;
  display: block;
  content: '';
}

/* ===== FOOTER ===== */
.footer {
  background: var(--green-dark);
  padding: 40px 0;
}

.footer__inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 32px;
}

.footer__brand {
  margin-bottom: 24px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.9);
  margin-bottom: 10px;
}

.footer__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.02em;
}

.footer__tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  max-width: 360px;
}

.footer__bottom {
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
  color: rgba(255,255,255,0.25);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero__visual {
    order: -1;
  }

  .hero__phone {
    width: 240px;
  }

  .hero__phone-screen {
    min-height: 320px;
  }

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

  .problem__card--wide {
    grid-column: 1;
  }

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

  .voice__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .usecases__timeline::before {
    left: 96px;
  }

  .usecase-row {
    grid-template-columns: 84px 24px 1fr;
    gap: 12px;
  }

  .nav__tagline {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 60px 0 40px;
  }

  .hero__phone {
    width: 220px;
  }

  .usecases__timeline::before {
    display: none;
  }

  .usecase-row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 12px 0;
  }

  .usecase-time {
    text-align: left;
    padding-top: 0;
    font-size: 10px;
  }

  .usecase-marker {
    display: none;
  }
}