/* ============================================
   AI Receptionist — Landing Page Styles
   Neo-Industrial Solar Design System
   ============================================ */

.lp-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.lp-section-header {
  max-width: 700px;
  margin: 0 auto var(--space-lg);
}

/* --- Badge --- */
.lp-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-bg);
  border: 1px solid var(--accent-border);
  padding: 0.4rem 1rem;
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: revealUp 0.5s 0.15s var(--ease-out-expo) forwards;
}

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

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

/* --- Hero --- */
.lp-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--header-height) 0 0;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

.lp-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.lp-hero-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.lp-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 25% 50%, oklch(65% 0.18 75 / 0.08), transparent 60%),
    linear-gradient(to bottom, transparent 0%, var(--bg) 100%);
  pointer-events: none;
}

.lp-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  width: 100%;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: var(--space-lg);
  align-items: center;
}

.lp-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6.5vw, 5.5rem);
  font-weight: 200;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: revealUp 0.6s 0.25s var(--ease-out-expo) forwards;
}

.lp-hero-sub {
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: revealUp 0.6s 0.4s var(--ease-out-expo) forwards;
}

.lp-hero-sub strong {
  color: var(--text);
  font-weight: 500;
}

.lp-hero-cta {
  opacity: 0;
  animation: revealUp 0.6s 0.55s var(--ease-out-expo) forwards;
}

.lp-hero-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: var(--space-sm);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 0.95rem;
}

/* --- Hero Metrics --- */
.lp-hero-metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  opacity: 0;
  animation: revealUp 0.6s 0.5s var(--ease-out-expo) forwards;
}

.lp-metric-card {
  padding: var(--space-md);
  border: 1px solid var(--border-light);
  background: var(--surface);
}

.lp-metric-card--accent {
  border-color: oklch(50% 0.15 25 / 0.3);
  background: oklch(50% 0.10 20 / 0.08);
}

.lp-metric-value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 100;
  letter-spacing: -0.05em;
  color: var(--text);
}

.lp-metric-card--accent .lp-metric-value {
  color: oklch(55% 0.15 25);
}

.lp-metric-dash {
  font-weight: 100;
  color: var(--text-muted);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  margin: 0 0.2em;
}

.lp-metric-currency {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  font-weight: 300;
  color: oklch(55% 0.15 25);
  vertical-align: super;
}

.lp-metric-range {
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  font-weight: 300;
  color: oklch(55% 0.15 25);
  letter-spacing: -0.02em;
}

.lp-metric-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
  line-height: 1.5;
}

/* --- Wave animation --- */
.lp-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  opacity: 0.2;
  pointer-events: none;
}

.lp-wave svg {
  width: 100%;
  height: 100%;
}

.wave-line {
  color: var(--accent);
}

.wave-1 { animation: wave-anim 4s ease-in-out infinite; }
.wave-2 { animation: wave-anim 4s 0.5s ease-in-out infinite; opacity: 0.6; }
.wave-3 { animation: wave-anim 4s 1s ease-in-out infinite; opacity: 0.3; }

@keyframes wave-anim {
  0%, 100% { d: path("M0,50 C200,20 600,80 800,50"); }
  50% { d: path("M0,50 C200,60 600,40 800,50"); }
}

/* --- Social proof bar --- */
.lp-social-proof {
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-sm) 0;
  background: var(--surface);
}

.lp-proof-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.lp-proof-item strong {
  color: var(--text);
}

.lp-proof-sep {
  color: var(--accent);
  opacity: 0.3;
}

/* --- Problem section --- */
.lp-problem {
  padding: var(--space-2xl) 0;
}

.lp-problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-light);
  border: 1px solid var(--border-light);
}

.lp-problem-item {
  padding: var(--space-md);
  background: var(--surface);
  transition: background 0.3s var(--ease-out-quart);
}

.lp-problem-item:hover {
  background: var(--surface-hover);
}

.lp-problem-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: oklch(55% 0.12 25);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
  display: block;
}

.lp-problem-item h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text);
}

.lp-problem-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Solution flow --- */
.lp-solution {
  padding: var(--space-2xl) 0;
  background: var(--surface);
}

.lp-flow {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.lp-flow-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-md);
  align-items: center;
  padding: var(--space-md) 0;
}

.lp-flow-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.lp-flow-visual svg {
  color: var(--accent);
}

.lp-ring-pulse {
  position: absolute;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  animation: ring-pulse 2s ease-out infinite;
}

@keyframes ring-pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(2.2); opacity: 0; }
}

.lp-notify-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  background: var(--accent);
  color: var(--bg);
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.lp-flow-connector {
  display: flex;
  justify-content: center;
  padding-left: calc(40px - 0.5px);
}

.lp-connector-line {
  display: block;
  width: 1px;
  height: 32px;
  background: repeating-linear-gradient(
    to bottom,
    var(--accent) 0px,
    var(--accent) 4px,
    transparent 4px,
    transparent 8px
  );
  opacity: 0.4;
}

.lp-flow-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 0.3rem;
}

.lp-flow-content h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.lp-flow-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Numbers bar --- */
.lp-numbers {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.lp-numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.lp-number-item {
  text-align: center;
}

.lp-number-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 200;
  letter-spacing: -0.04em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.lp-number-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Pricing --- */
.lp-pricing {
  padding: var(--space-2xl) 0;
}

.lp-pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  align-items: stretch;
  max-width: 800px;
  margin: 0 auto;
}

.lp-price-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
  transition: border-color 0.3s var(--ease-out-quart);
}

.lp-price-card:hover {
  border-color: var(--border-hover);
}

.lp-price-card--featured {
  border-color: var(--accent);
  background: oklch(16% 0.01 75);
}

.lp-price-card .btn {
  margin-top: auto;
}

.lp-price-badge {
  position: absolute;
  top: -12px;
  left: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--accent);
  color: var(--bg);
  padding: 0.25rem 0.75rem;
}

.lp-price-tier {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.lp-price-amount {
  display: flex;
  align-items: baseline;
  gap: 0.1em;
}

.lp-price-currency {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.lp-price-value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 200;
  letter-spacing: -0.04em;
  color: var(--text);
}

.lp-price-period {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-muted);
}

.lp-price-setup {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.lp-price-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex-grow: 1;
}

.lp-price-features li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding-left: 1.5rem;
  position: relative;
}

.lp-price-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 8px;
  height: 8px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
}

.lp-price-card--featured .lp-price-features li::before {
  background: var(--accent);
}

.lp-pricing-guarantee {
  margin-top: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  justify-content: center;
  text-align: center;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  padding: var(--space-md);
  border: 1px solid var(--accent-border);
  background: var(--accent-bg);
}

.lp-pricing-guarantee svg {
  color: var(--accent);
  flex-shrink: 0;
}

.lp-pricing-guarantee p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Compare table --- */
.lp-compare {
  padding: var(--space-2xl) 0;
  background: var(--surface);
}

.lp-compare-table {
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid var(--border-light);
}

.lp-compare-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 1px;
  background: var(--border-light);
}

.lp-compare-row > span {
  padding: 0.8rem 1rem;
  background: var(--bg);
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.lp-compare-row > span:first-child {
  justify-content: flex-start;
  text-align: left;
  font-weight: 500;
  color: var(--text);
}

.lp-compare-highlight {
  background: oklch(16% 0.01 75) !important;
  font-weight: 600 !important;
  color: var(--accent) !important;
}

.lp-compare-head span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.lp-compare-head .lp-compare-highlight {
  color: var(--accent) !important;
}

.lp-check {
  color: oklch(60% 0.15 145);
  font-weight: 700;
}

.lp-cross {
  color: oklch(55% 0.12 25);
  opacity: 0.6;
}

/* --- FAQ --- */
.lp-faq {
  padding: var(--space-2xl) 0;
}

.lp-faq-list {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.lp-faq-item {
  border-bottom: 1px solid var(--border-light);
}

.lp-faq-item:first-child {
  border-top: 1px solid var(--border-light);
}

.lp-faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
  list-style: none;
  transition: color 0.2s var(--ease-out-quart);
}

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

.lp-faq-item summary::marker {
  display: none;
  content: '';
}

.lp-faq-item summary:hover {
  color: var(--accent);
}

.lp-faq-toggle {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-out-quart);
}

.lp-faq-item[open] .lp-faq-toggle {
  transform: rotate(45deg);
}

.lp-faq-item p {
  padding: 0 0 var(--space-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
}

/* --- CTA Section --- */
.lp-cta {
  padding: var(--space-2xl) 0;
  background: var(--surface);
}

.lp-cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.lp-cta-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: var(--space-md) 0;
  max-width: 440px;
}

.lp-cta-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.2s var(--ease-out-quart);
}

.lp-cta-phone:hover {
  color: var(--accent);
}

.lp-cta-phone svg {
  flex-shrink: 0;
}

/* --- Mobile sticky CTA --- */
.lp-mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg);
  border-top: 1px solid var(--border-light);
  z-index: 90;
  transform: translateY(100%);
  transition: transform 0.3s var(--ease-out-expo);
}

.lp-mobile-cta.visible {
  transform: translateY(0);
}

@media (max-width: 640px) {
  .lp-mobile-cta {
    display: block;
  }
}

/* --- Responsive --- */
@media (max-width: 960px) {
  .lp-hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    padding-top: var(--space-xl);
  }

  .lp-hero-metric {
    flex-direction: row;
    gap: var(--space-md);
  }

  .lp-metric-card {
    flex: 1;
  }

  .lp-problem-grid {
    grid-template-columns: 1fr;
  }

  .lp-numbers-grid {
    grid-template-columns: 1fr 1fr;
  }

  .lp-pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .lp-compare-row {
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
    font-size: 0.8rem;
  }

  .lp-cta-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .lp-hero-title {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .lp-metric-card {
    padding: var(--space-sm);
  }

  .lp-metric-value {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .lp-numbers-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  .lp-flow-step {
    grid-template-columns: 60px 1fr;
  }

  .lp-compare-row {
    font-size: 0.75rem;
  }

  .lp-compare-row > span {
    padding: 0.5rem 0.6rem;
  }

  .lp-proof-inner {
    flex-direction: column;
    gap: 0.3rem;
  }

  .lp-proof-sep {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-lg);
    background: var(--surface);
    border-left: 1px solid var(--border);
    padding: var(--space-xl);
    transition: right 0.3s var(--ease-out-expo);
    z-index: 100;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a:not(.btn) {
    display: block;
    font-size: 1.1rem;
  }
}