/* ========================================
   ZVUKIO LANDING PAGE
   ======================================== */

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

:root {
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-900: #1e3a5f;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --red-500: #ef4444;
  --orange-500: #f97316;
  --yellow-500: #eab308;
  --purple-500: #a855f7;
  --purple-600: #9333ea;
  --pink-500: #ec4899;
  --teal-500: #14b8a6;
  --indigo-500: #6366f1;
  --cyan-500: #06b6d4;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--gray-800);
  background: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- NAVIGATION --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-200);
  transition: all 0.3s;
}

.nav.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--gray-900);
}

.logo-icon {
  display: flex;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-highlight {
  color: var(--blue-600);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  text-decoration: none;
  color: var(--gray-600);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--gray-900);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all 0.3s;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 14px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  padding: 10px 20px;
}

.btn-primary {
  background: var(--blue-600);
  color: #fff;
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background: var(--blue-700);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.btn-ghost:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

.nav-links a.btn-nav {
  background: var(--blue-600);
  color: #fff;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
}

.nav-links a.btn-nav:hover {
  background: var(--blue-700);
  color: #fff;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
  border-radius: var(--radius-md);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* --- HERO --- */
.hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

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

.hero-gradient {
  position: absolute;
  top: -40%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--gray-100) 1px, transparent 1px),
    linear-gradient(90deg, var(--gray-100) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.5;
  mask-image: radial-gradient(ellipse 80% 50% at 50% 50%, black, transparent);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  color: var(--blue-700);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--green-500);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--gray-900);
  margin-bottom: 20px;
}

.hero-title-gradient {
  background: linear-gradient(135deg, var(--blue-600), var(--purple-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: var(--gray-500);
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

.hero-stat-number {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--gray-900);
}

.hero-stat-label {
  font-size: 13px;
  color: var(--gray-500);
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-200);
}

/* --- HERO DASHBOARD MOCKUP --- */
.hero-dashboard {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.dash-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

.dash-dots {
  display: flex;
  gap: 6px;
}

.dash-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dash-dot.red { background: #ff5f57; }
.dash-dot.yellow { background: #febc2e; }
.dash-dot.green { background: #28c840; }

.dash-title {
  font-size: 12px;
  color: var(--gray-400);
  font-weight: 500;
}

.dash-body {
  padding: 16px;
}

.dash-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.dash-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
}

.dash-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  margin-bottom: 6px;
}

.dash-card-icon.blue { background: var(--blue-100); color: var(--blue-600); }
.dash-card-icon.green { background: #dcfce7; color: var(--green-600); }
.dash-card-icon.purple { background: #f3e8ff; color: var(--purple-600); }
.dash-card-icon.orange { background: #fff7ed; color: var(--orange-500); }

.dash-card-value {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
}

.dash-card-label {
  display: block;
  font-size: 11px;
  color: var(--gray-400);
}

.dash-table {
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.dash-row {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1.2fr 1.2fr;
  gap: 8px;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--gray-600);
  align-items: center;
}

.dash-row:not(:last-child) {
  border-bottom: 1px solid var(--gray-100);
}

.dash-row-header {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--gray-500);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-green { background: #dcfce7; color: #15803d; }
.badge-yellow { background: #fef9c3; color: #a16207; }
.badge-red { background: #fee2e2; color: #dc2626; }
.badge-blue { background: #dbeafe; color: #2563eb; }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }
.badge-orange { background: #fff7ed; color: #ea580c; }

/* --- SECTIONS --- */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  background: var(--blue-50);
  color: var(--blue-600);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}

/* --- FEATURES --- */
.features {
  padding: 100px 0;
  background: var(--gray-50);
}

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

.feature-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: all 0.3s;
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-300);
  transform: translateY(-2px);
}

.feature-card-lg {
  grid-column: span 1;
}

.feature-card-lg:nth-child(1) {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
}

.feature-card-lg:nth-child(2) {
  grid-column: 2 / 3;
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.feature-icon.blue { background: var(--blue-100); color: var(--blue-600); }
.feature-icon.purple { background: #f3e8ff; color: var(--purple-600); }
.feature-icon.green { background: #dcfce7; color: var(--green-600); }
.feature-icon.orange { background: #fff7ed; color: var(--orange-500); }
.feature-icon.red { background: #fee2e2; color: var(--red-500); }
.feature-icon.teal { background: #ccfbf1; color: var(--teal-500); }
.feature-icon.pink { background: #fce7f3; color: var(--pink-500); }
.feature-icon.indigo { background: #e0e7ff; color: var(--indigo-500); }
.feature-icon.cyan { background: #cffafe; color: var(--cyan-500); }

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
}

.feature-tag-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 16px;
}

.feature-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--gray-100);
  color: var(--gray-600);
}

/* --- HOW IT WORKS --- */
.how-it-works {
  padding: 100px 0;
}

.steps {
  max-width: 600px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.step-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--blue-100);
  line-height: 1;
  flex-shrink: 0;
  width: 64px;
}

.step-content {
  flex: 1;
}

.step-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--blue-50);
  color: var(--blue-600);
  margin-bottom: 12px;
}

.step-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.step-content p {
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.6;
}

.step-connector {
  display: flex;
  justify-content: center;
  padding: 8px 0 8px 32px;
}

/* --- ANALYTICS --- */
.analytics {
  padding: 100px 0;
  background: var(--gray-50);
}

.analytics-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
}

.analytics-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 28px;
}

.analytics-card-main h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.analytics-desc {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 24px;
}

.analytics-bars {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.analytics-bar-header {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.analytics-bar-pct {
  font-weight: 700;
}

.analytics-bar-track {
  height: 8px;
  background: var(--gray-100);
  border-radius: 999px;
  overflow: hidden;
}

.analytics-bar-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 1.5s ease-out;
}

.analytics-bar-fill.red { background: var(--red-500); }
.analytics-bar-fill.orange { background: var(--orange-500); }
.analytics-bar-fill.yellow { background: var(--yellow-500); }
.analytics-bar-fill.blue { background: var(--blue-500); }
.analytics-bar-fill.gray { background: var(--gray-400); }

.analytics-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.analytics-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
}

.analytics-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.analytics-card-icon.green { background: #dcfce7; color: var(--green-600); }
.analytics-card-icon.orange { background: #fff7ed; color: var(--orange-500); }
.analytics-card-icon.purple { background: #f3e8ff; color: var(--purple-600); }

.analytics-card-big {
  display: block;
  font-size: 44px;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.1;
}

.analytics-card-small {
  font-size: 20px;
  font-weight: 600;
  color: var(--gray-400);
}

.analytics-card-sub {
  display: block;
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 4px;
}

.analytics-mood-grid {
  display: flex;
  gap: 16px;
}

.mood-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.mood-emoji {
  font-size: 28px;
}

.mood-item span:last-child {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-700);
}

/* --- INDUSTRIES --- */
.industries {
  padding: 100px 0;
}

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

.industry-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  transition: all 0.3s;
}

.industry-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-200);
  transform: translateY(-2px);
}

.industry-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--blue-50);
  color: var(--blue-600);
  margin-bottom: 16px;
}

.industry-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.industry-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .industries-grid {
    grid-template-columns: 1fr;
  }
}

/* --- BENEFITS --- */
.benefits {
  padding: 100px 0;
}

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

.benefit-card {
  padding: 32px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: all 0.3s;
}

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

.benefit-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--blue-100);
  line-height: 1;
  margin-bottom: 16px;
}

.benefit-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.benefit-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* --- CONTACT --- */
.contact {
  padding: 100px 0;
  background: var(--gray-50);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.contact-desc {
  font-size: 16px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--gray-700);
  font-weight: 500;
}

.contact-form {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  color: var(--gray-800);
  transition: all 0.2s;
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-note {
  text-align: center;
  font-size: 13px;
  color: var(--gray-400);
  margin-top: 12px;
}

/* --- FOOTER --- */
.footer {
  background: var(--gray-900);
  padding: 48px 0 24px;
  color: var(--gray-400);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer .logo-text {
  color: #fff;
  font-size: 18px;
}

.footer-brand {
  text-align: center;
}

.footer-brand p {
  font-size: 14px;
  margin-top: 8px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: 24px;
  width: 100%;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
}

/* --- FORM SUCCESS STATE --- */
.form-success {
  text-align: center;
  padding: 40px 20px;
}

.form-success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #dcfce7;
  color: var(--green-600);
  margin-bottom: 16px;
}

.form-success h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.form-success p {
  font-size: 15px;
  color: var(--gray-500);
}

/* --- TRUST BAR --- */
.trust {
  padding: 48px 0;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.trust-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.trust-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.trust-logos {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  justify-content: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gray-500);
  font-size: 15px;
  font-weight: 600;
}

/* --- FAQ --- */
.faq {
  padding: 100px 0;
  background: var(--gray-50);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s;
}

.faq-item:hover {
  border-color: var(--gray-300);
}

.faq-item.open {
  border-color: var(--blue-200);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-800);
  text-align: left;
  gap: 16px;
}

.faq-question svg {
  flex-shrink: 0;
  color: var(--gray-400);
  transition: transform 0.3s;
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .trust {
    padding: 32px 0;
  }

  .trust-logos {
    gap: 24px;
  }

  .trust-item {
    font-size: 13px;
  }

  .faq {
    padding: 64px 0;
  }

  .faq-question {
    font-size: 14px;
    padding: 16px 20px;
  }

  .faq-answer p {
    padding: 0 20px 16px;
    font-size: 14px;
  }
}

/* --- BUTTON SPINNER --- */
.btn-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* --- RESPONSIVE --- */

/* Tablet */
@media (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-title {
    font-size: 42px;
  }

  .hero-visual {
    max-width: 560px;
  }

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

  .feature-card-lg:nth-child(1),
  .feature-card-lg:nth-child(2) {
    grid-column: span 1;
    grid-row: span 1;
  }

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

  .analytics-side {
    flex-direction: row;
  }

  .analytics-side .analytics-card {
    flex: 1;
  }

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

  .industries-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  /* Nav */
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links .btn-nav {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  /* Hero */
  .hero {
    padding: 100px 0 48px;
    min-height: auto;
  }

  .hero-title {
    font-size: 30px;
    line-height: 1.15;
  }

  .hero-subtitle {
    font-size: 15px;
    margin-bottom: 24px;
  }

  .hero-badge {
    font-size: 12px;
    margin-bottom: 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 20px;
  }

  .hero-stat-divider {
    display: none;
  }

  .hero-stat-number {
    font-size: 24px;
  }

  /* Dashboard mockup */
  .hero-dashboard {
    animation: none;
  }

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

  .dash-row {
    font-size: 11px;
    padding: 6px 8px;
    gap: 4px;
  }

  .badge {
    font-size: 10px;
    padding: 2px 6px;
  }

  /* Sections */
  .features,
  .how-it-works,
  .analytics,
  .industries,
  .benefits,
  .contact {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .section-title {
    font-size: 26px;
    line-height: 1.2;
  }

  .section-subtitle {
    font-size: 15px;
  }

  /* Features */
  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    padding: 20px;
  }

  /* Steps */
  .step-number {
    font-size: 36px;
    width: 48px;
  }

  .step {
    gap: 16px;
  }

  .step-content h3 {
    font-size: 18px;
  }

  .step-icon-wrap {
    width: 44px;
    height: 44px;
  }

  .step-icon-wrap svg {
    width: 24px;
    height: 24px;
  }

  .step-connector {
    padding: 4px 0 4px 24px;
  }

  /* Analytics */
  .analytics-grid {
    grid-template-columns: 1fr;
  }

  .analytics-card {
    padding: 20px;
  }

  .analytics-card-big {
    font-size: 36px;
  }

  .analytics-side {
    flex-direction: column;
  }

  /* Industries */
  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .industry-card {
    padding: 20px 16px;
  }

  .industry-icon {
    width: 44px;
    height: 44px;
    margin-bottom: 12px;
  }

  .industry-icon svg {
    width: 24px;
    height: 24px;
  }

  .industry-card h3 {
    font-size: 15px;
  }

  .industry-card p {
    font-size: 13px;
  }

  /* Benefits */
  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .benefit-card {
    padding: 24px;
  }

  .benefit-number {
    font-size: 36px;
    margin-bottom: 12px;
  }

  /* Contact */
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .contact-form {
    padding: 24px;
  }

  .form-group input,
  .form-group textarea {
    font-size: 16px; /* prevents iOS zoom on focus */
  }

  /* Footer */
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
}

/* Small phones */
@media (max-width: 380px) {
  .hero-title {
    font-size: 26px;
  }

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

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

  .dash-cards {
    grid-template-columns: 1fr;
  }

  .analytics-mood-grid {
    justify-content: center;
  }
}