/* ============================================
   AskerEnet — Clean Minimal SaaS Design
   Inspired by Linear / Vercel / Stripe
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ---------- Root Variables ---------- */
:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary: #f97316;
  --secondary-hover: #ea580c;
  --success: #10b981;
  --error: #ef4444;
  --warning: #f97316;

  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;

  --bg-base: #f8fafc;
  --bg-surface-solid: #ffffff;

  --border: #e2e8f0;
  --border-hover: #cbd5e1;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08);

  --primary-glow: rgba(37, 99, 235, 0.06);
  --primary-glow-thick: rgba(37, 99, 235, 0.1);
  --secondary-glow-thick: rgba(245, 158, 11, 0.1);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-primary);
  background: var(--bg-base);
  line-height: 1.6;
  font-size: 15px;
  letter-spacing: -0.01em;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

/* ---------- Layout ---------- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-surface-solid);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.92);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 17px;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 28px;
  height: 28px;
  color: var(--secondary);
  flex-shrink: 0;
}

.logo-icon svg {
  fill: currentColor;
}

.logo span {
  color: var(--primary);
  margin-left: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-base);
}

.nav-btn {
  margin-left: 8px;
  padding: 7px 18px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

/* ---------- Hero ---------- */
.hero {
  padding: 80px 0 72px;
  background: var(--bg-surface-solid);
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-glow);
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 100px;
  width: fit-content;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero-title {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--text-primary);
}

.hero-title span {
  color: var(--primary);
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 460px;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

/* Phone Number Highlight */
.phone-number-highlight {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  width: fit-content;
}

.phone-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.phone-number-digits {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.phone-subtext {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Social Proof */
.social-proof {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.social-avatars {
  display: flex;
}

.social-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--bg-surface-solid);
  margin-left: -8px;
  object-fit: cover;
}

.social-avatar:first-child {
  margin-left: 0;
}

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

.social-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Hero Right Widget */
.hero-right-widget {
  width: 100%;
  max-width: 360px;
  background: var(--bg-surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.widget-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-base);
}

.widget-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.widget-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 500;
  color: var(--success);
}

.widget-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.widget-chat {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  min-height: 180px;
}

.widget-bubble {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.5;
  border-radius: var(--radius-md);
  max-width: 85%;
  color: var(--text-primary);
}

.widget-bubble.user {
  align-self: flex-end;
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.widget-bubble.ai {
  align-self: flex-start;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

/* ---------- Unified Features ---------- */
.unified-features {
  padding: 80px 0;
  background: var(--bg-surface-solid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  background: var(--primary-glow);
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.2;
}

.section-desc {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* AI Capabilities Grid */
.capabilities-section {
  padding: 80px 0;
  background-color: var(--bg-surface-solid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 968px) {
  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
}

.cap-card {
  background: var(--bg-surface-solid);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-base), box-shadow var(--transition-smooth), transform var(--transition-smooth);
}

.cap-card:hover {
  border-color: rgba(37, 99, 235, 0.2);
  box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
  transform: translateY(-4px);
}

.cap-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.cap-icon-wrapper {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cap-icon-wrapper.svg-icon {
  background: var(--primary-glow);
  color: var(--primary);
}

.cap-icon-wrapper.img-icon {
  border: 1px solid var(--border);
  overflow: hidden;
  background: #ffffff;
}

.cap-img-icon {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.cap-card:hover .cap-img-icon {
  transform: scale(1.08);
}

.cap-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.cap-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
}

.cap-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
}

.cap-code {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, Monaco, monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 170px;
}

.cap-card .btn-try-sim {
  padding: 6px 12px;
  font-size: 12px;
  background: var(--primary-glow);
  border: 1px solid rgba(37, 99, 235, 0.15);
  color: var(--primary);
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.cap-card .btn-try-sim:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* ---------- Simulator ---------- */
.simulator-section {
  padding: 80px 0;
  background: var(--bg-base);
}

.main-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 40px;
  align-items: start;
}

/* Phone Mockup */
.phone-mockup {
  background: #0f172a;
  border-radius: 28px;
  padding: 8px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0, 0, 0, 0.1);
  max-width: 340px;
  width: 100%;
}

.phone-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.phone-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}

.phone-contact-name {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.phone-contact-status {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
}

.phone-chat-area {
  padding: 16px;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  max-height: 400px;
}

.message-bubble {
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.5;
  max-width: 80%;
  word-wrap: break-word;
}

.message-bubble.incoming {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
  border-bottom-left-radius: 4px;
}

.message-bubble.outgoing {
  align-self: flex-end;
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.message-time {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.35);
  text-align: right;
  padding: 0 4px;
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  width: fit-content;
}

.typing-dot {
  width: 6px;
  height: 6px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  animation: typingBounce 1.2s infinite;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.15s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes typingBounce {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

.phone-input-area {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.phone-input {
  flex: 1;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  color: #fff;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition-fast);
}

.phone-input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.phone-input:focus {
  border-color: var(--primary);
}

.phone-send-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.phone-send-btn:hover {
  background: var(--primary-hover);
  transform: scale(1.05);
}

/* ---------- Cards & Instructions ---------- */
.card {
  background: var(--bg-surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color var(--transition-base), box-shadow var(--transition-smooth), transform var(--transition-smooth);
}

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

.card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.card-title svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
  flex-shrink: 0;
}

.instruction-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.instruction-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.step-badge {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-glow);
  color: var(--primary);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.step-heading {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.step-text {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- Emergency Instructions ---------- */
.emergency-instructions {
  padding: 48px 0;
}

.emergency-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.emergency-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}

.emergency-commands {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.emergency-cmd-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  transition: border-color var(--transition-fast);
}

.emergency-cmd-item:hover {
  border-color: var(--border-hover);
}

.emergency-cmd-item.register {
  border-left: 3px solid var(--primary);
}

.emergency-cmd-item.safe {
  border-left: 3px solid var(--success);
}

.emergency-cmd-item.help {
  border-left: 3px solid var(--error);
}

.emergency-cmd-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.emergency-web-card {
  background: var(--bg-surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 20px;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.contacts-input-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-input-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-input-wrapper .form-input {
  flex: 1;
}

.btn-remove-field {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  flex-shrink: 0;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.btn-remove-field:hover {
  color: var(--error);
  border-color: var(--error);
}

.btn-add-field {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  background: none;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.btn-add-field:hover {
  border-color: var(--primary);
  background: var(--primary-glow);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  line-height: 1.4;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background: var(--bg-surface-solid);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--bg-base);
  transform: translateY(-1px);
}

/* ---------- Pricing ---------- */
.pricing-section {
  padding: 80px 0;
  background: var(--bg-surface-solid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.package-card {
  background: var(--bg-surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-base), box-shadow var(--transition-smooth), transform var(--transition-smooth);
  position: relative;
}

.package-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.package-card.selected {
  border-color: var(--secondary);
  box-shadow: 0 0 0 1px var(--secondary), var(--shadow-md);
}

.package-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  padding: 3px 12px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--secondary);
  border-radius: 100px;
  white-space: nowrap;
}



.package-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.package-card-price {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 4px;
}

.package-card-unit {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.package-card ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
  flex: 1;
}

.package-card li {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}

.package-card li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ---------- FAQ ---------- */
.faq-section {
  padding: 80px 0;
  background: var(--bg-base);
}

.faq-list {
  max-width: 680px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  background: var(--bg-surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--border-hover);
}

.faq-item.active {
  border-color: var(--primary);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  line-height: 1.5;
  transition: color var(--transition-fast);
}

.faq-question::after {
  content: '+';
  font-size: 18px;
  font-weight: 400;
  color: var(--text-muted);
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform var(--transition-base);
}

.faq-item.active .faq-question::after {
  content: '−';
  color: var(--primary);
}

.faq-answer {
  padding: 0 20px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ---------- Footer ---------- */
.footer {
  padding: 56px 0 0;
  background: var(--bg-surface-solid);
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding-bottom: 40px;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.footer-link {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-primary);
}

.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

/* ---------- Alert Boxes ---------- */
.alert-box {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
  border: 1px solid;
  margin-bottom: 12px;
}

.alert-box-success {
  color: #065f46;
  background: #ecfdf5;
  border-color: #a7f3d0;
}

.alert-box-warning {
  color: #92400e;
  background: #fffbeb;
  border-color: #fde68a;
}

.alert-box-error {
  color: #991b1b;
  background: #fef2f2;
  border-color: #fecaca;
}

/* ---------- Responsive ---------- */
@media (max-width: 968px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-left {
    align-items: center;
  }

  .hero-subtitle {
    max-width: 100%;
  }

  .hero-ctas {
    justify-content: center;
  }

  .phone-number-highlight {
    margin: 0 auto;
  }

  .social-proof {
    justify-content: center;
  }

  .hero-title {
    font-size: 36px;
  }

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

  .showcase-card {
    flex-direction: column;
  }

  .showcase-thumb {
    width: 100%;
    min-height: 160px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .main-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .phone-mockup {
    margin: 0 auto;
  }

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

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

  .nav-links {
    display: none;
  }

  .section-title {
    font-size: 26px;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 14px;
  }

  .container {
    padding: 0 16px;
  }

  .header-content {
    padding: 0 16px;
    height: 54px;
  }

  .hero {
    padding: 48px 0;
  }

  .hero-grid {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 14px;
  }

  .quick-features-row {
    grid-template-columns: 1fr;
  }

  .unified-features,
  .simulator-section,
  .pricing-section,
  .faq-section {
    padding: 56px 0;
  }

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

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

  .section-title {
    font-size: 22px;
  }

  .section-desc {
    font-size: 14px;
  }

  .phone-mockup {
    max-width: 100%;
  }

  .card {
    padding: 18px;
  }

  .btn {
    padding: 10px 18px;
    font-size: 13px;
  }
}