/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
  --primary: #a700ff;
  --primary-hover: #8900d1;
  --primary-light: rgba(167, 0, 255, 0.1);
  --bg: #ffffff;
  --bg-secondary: #f6f6fc;
  --bg-card: #ffffff;
  --text: #1a1a2e;
  --text-secondary: #6b6b80;
  --border: #e2e2ed;
  --shadow: 0 2px 16px rgba(0, 0, 0, 0.07);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.1);
  --nav-bg: rgba(255, 255, 255, 0.92);
  --nav-border: rgba(226, 226, 237, 0.8);
  --radius: 14px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
  --max-width: 1100px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0d1c;
    --bg-secondary: #13132a;
    --bg-card: #181830;
    --text: #eeeef8;
    --text-secondary: #8888a8;
    --border: #2a2a45;
    --shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.5);
    --nav-bg: rgba(13, 13, 28, 0.92);
    --nav-border: rgba(42, 42, 69, 0.8);
    --primary-light: rgba(167, 0, 255, 0.15);
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

/* ===========================
   Navigation
   =========================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  text-decoration: none;
  flex-shrink: 0;
  height: 64px;
}

.nav-logo-icon {
  height: 44px;
  width: 44px;
  color: var(--text);
}

.nav-logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1;
  transform: translateY(4px);
}

.nav-logo-text span { color: var(--primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.nav-links a:hover { color: var(--text); background: var(--bg-secondary); }
.nav-links a.active { color: var(--primary); background: var(--primary-light); }

.nav-cta {
  background: var(--primary) !important;
  color: #fff !important;
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem !important;
  font-weight: 600 !important;
  transition: background var(--transition), opacity var(--transition) !important;
}
.nav-cta:hover { background: var(--primary-hover) !important; opacity: 1 !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  border: none;
  background: none;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 0.75rem 1.25rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-mobile a {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  transition: color var(--transition);
}

.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile a:hover, .nav-mobile a.active { color: var(--primary); }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-mobile.open { display: flex; }
}


/* ===========================
   Page Layout
   =========================== */
main { padding-top: 64px; }

.section {
  padding: 5rem 1.25rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-sm { padding: 3rem 1.25rem; }

.section-full {
  padding: 5rem 1.25rem;
  background: var(--bg-secondary);
}

.section-full .section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.7;
}

/* ===========================
   Hero
   =========================== */
.hero {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  padding: 4rem 1.25rem;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 3rem;
}

.hero-content { flex: 1; min-width: 0; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.375rem 0.875rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.hero-title em {
  font-style: normal;
  color: var(--primary);
}

.hero-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.hero-visual {
  flex: 1;
  min-width: 280px;
  max-width: 480px;
  display: flex;
  justify-content: center;
}

.hero-screen {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.hero-screen-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

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

.hero-screen-bar {
  height: 10px;
  flex: 1;
  background: var(--border);
  border-radius: 100px;
}

.hero-screen-content {
  background: var(--bg-secondary);
  border-radius: 10px;
  height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  overflow: hidden;
  position: relative;
}

.hero-screen-slide {
  width: 90%;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: center;
}

.hero-screen-slide .slide-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.hero-screen-slide .slide-text {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
}

@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    min-height: auto;
    padding-top: 3rem;
  }
  .hero-visual { max-width: 100%; width: 100%; }
}

/* ===========================
   Buttons
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background var(--transition), opacity var(--transition), transform var(--transition);
  text-decoration: none;
  line-height: 1;
}

.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.98); }

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

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { background: var(--bg-secondary); color: var(--text); }

.btn-ghost {
  background: transparent;
  color: var(--primary);
  padding-left: 0;
}
.btn-ghost:hover { opacity: 0.75; }

.btn-lg { padding: 0.9375rem 2rem; font-size: 1rem; border-radius: var(--radius-sm); }

/* ===========================
   Feature Cards
   =========================== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.card-icon {
  width: 44px;
  height: 44px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.card-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ===========================
   Tabs
   =========================== */
.tabs-wrapper { margin-top: 2.5rem; }

.tabs-bar {
  display: flex;
  gap: 0.375rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.3rem;
  margin-bottom: 2rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.tabs-bar::-webkit-scrollbar { display: none; }

.tab-btn {
  flex: 1;
  min-width: 120px;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.625rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: calc(var(--radius) - 4px);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  text-align: center;
}

.tab-btn.active {
  background: var(--bg-card);
  color: var(--primary);
  box-shadow: var(--shadow);
}

.tab-btn:hover:not(.active) { color: var(--text); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ===========================
   Use Case Content
   =========================== */
.usecase-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.usecase-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 0.875rem;
}

.usecase-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.feature-check {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.125rem;
  font-size: 0.6875rem;
  font-weight: 800;
}

.feature-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.feature-text strong { color: var(--text); }

.usecase-visual {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.screen-mockup {
  width: 85%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  box-shadow: var(--shadow-md);
}

.screen-mockup-bar {
  display: flex;
  gap: 5px;
  margin-bottom: 0.75rem;
}

.screen-mockup-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}

.screen-mockup-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.screen-mockup-block {
  background: var(--bg-secondary);
  border-radius: 6px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-align: center;
  padding: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.screen-mockup-block.highlight {
  background: var(--primary-light);
  color: var(--primary);
  grid-column: 1 / -1;
  height: 36px;
}

@media (max-width: 768px) {
  .usecase-layout { grid-template-columns: 1fr; gap: 2rem; }
  .usecase-visual { aspect-ratio: 16/9; }
}

/* ===========================
   Pricing
   =========================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 0;
}

.pricing-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary), var(--shadow-md);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.875rem;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-name {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.pricing-price sup {
  font-size: 1.25rem;
  font-weight: 700;
  vertical-align: super;
  letter-spacing: 0;
  margin-right: 2px;
}

.pricing-period {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.pricing-divider {
  height: 1px;
  background: var(--border);
  margin: 1.25rem 0;
}

.pricing-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-bottom: 1.5rem;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.pricing-feature-check {
  flex-shrink: 0;
  width: 17px;
  height: 17px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.5625rem;
  font-weight: 900;
}

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

@media (max-width: 900px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
}

.pricing-grid-2col {
  grid-template-columns: repeat(2, 1fr);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 640px) {
  .pricing-grid-2col { grid-template-columns: 1fr; max-width: 420px; }
}

/* ===========================
   Stats / Trust Bar
   =========================== */
.stats-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: space-around;
  padding: 3rem 1.25rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.stat-item { text-align: center; }

.stat-value {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1;
}

.stat-value span { color: var(--primary); }

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* ===========================
   Contact
   =========================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.contact-info-block {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-info-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.125rem;
}

.contact-info-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.contact-info-value {
  font-size: 0.9375rem;
  color: var(--text);
  font-weight: 500;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.375rem; }

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-label.required { font-weight: 800; }

.form-required {
  color: var(--primary);
  margin-left: 0.2em;
  font-weight: 800;
}

.form-input, .form-select, .form-textarea {
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9375rem;
  font-family: inherit;
  padding: 0.75rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder, .form-textarea::placeholder { color: var(--text-secondary); opacity: 0.6; }

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-input.error, .form-textarea.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.form-error {
  font-size: 0.8rem;
  color: #ef4444;
  display: none;
}
.form-error.visible { display: block; }

.form-textarea { resize: vertical; min-height: 140px; line-height: 1.6; }

.form-notice {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.form-checkbox-wrapper {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
}
.form-checkbox {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 0.15rem;
  border: 1.5px solid var(--border);
  border-radius: 4px;
  background: var(--bg-secondary);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}
.form-checkbox:checked {
  background: var(--primary);
  border-color: var(--primary);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 12 10' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 5l3.5 3.5L11 1' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px 8px;
}
.form-checkbox:focus { outline: none; box-shadow: 0 0 0 3px var(--primary-light); }

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.form-success {
  display: none;
  text-align: center;
  padding: 2rem;
  background: rgba(167, 0, 255, 0.05);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius);
  color: var(--text);
}

.form-success.visible { display: block; }

@media (max-width: 768px) {
  .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .form-row { grid-template-columns: 1fr; }
}

/* ===========================
   CTA Banner
   =========================== */
.cta-banner {
  background: var(--primary);
  padding: 4rem 1.25rem;
  text-align: center;
}

.cta-banner-inner { max-width: 600px; margin: 0 auto; }

.cta-banner h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.cta-banner p {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  margin-bottom: 1.75rem;
  line-height: 1.65;
}

.btn-white {
  background: #fff;
  color: var(--primary);
  font-weight: 700;
}
.btn-white:hover { background: rgba(255,255,255,0.9); color: var(--primary); }

/* ===========================
   Footer
   =========================== */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.25rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  font-weight: 700;
  font-size: 0.9375rem;
  text-decoration: none;
}

.footer-logo svg { width: 28px; height: 28px; color: var(--text); }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color var(--transition);
}

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

.footer-copy {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  width: 100%;
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
}

/* ===========================
   About Page Specific
   =========================== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-top: 3rem;
}

.about-intro-visual {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.device-cluster {
  position: relative;
  width: 80%;
}

.device-main {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: var(--shadow-md);
}

.device-main-screen {
  background: var(--primary);
  border-radius: 8px;
  height: 130px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.device-main-screen .big-text {
  font-size: 1.5rem;
  font-weight: 900;
  color: white;
  letter-spacing: -0.02em;
}

.device-main-screen .small-text {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.7);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.device-badge {
  position: absolute;
  bottom: -10px;
  right: -10px;
  background: var(--primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.375rem 0.75rem;
  border-radius: 100px;
  box-shadow: var(--shadow);
}

@media (max-width: 768px) {
  .about-intro { grid-template-columns: 1fr; gap: 2rem; }
}

/* ===========================
   Process Steps
   =========================== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0;
  margin-top: 3rem;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 2px;
  background: var(--border);
  z-index: 0;
}

.step {
  text-align: center;
  padding: 0 1rem;
  position: relative;
  z-index: 1;
}

.step-num {
  width: 56px;
  height: 56px;
  background: var(--bg-card);
  border: 2px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--primary);
  margin: 0 auto 1rem;
}

.step-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.375rem;
}

.step-text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ===========================
   Testimonials
   =========================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.testimonial-stars {
  color: var(--primary);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.testimonial-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 1.25rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.testimonial-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
}

.testimonial-role {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* ===========================
   FAQ
   =========================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 2.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.faq-item:last-child { border-bottom: none; }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  transition: background var(--transition);
}

.faq-question:hover { background: var(--bg-secondary); }

.faq-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  transition: transform 0.2s;
}

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

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  background: var(--bg-card);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

/* ===========================
   Page Hero (inner pages)
   =========================== */
.page-hero {
  padding: 4rem 1.25rem 3rem;
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.page-hero .section-label { display: block; }
.page-hero .section-subtitle { margin: 0 auto; }

/* ===========================
   Legal Grid (Impressum/Datenschutz)
   =========================== */
@media (max-width: 768px) {
  .legal-grid {
    grid-template-columns: 1fr !important;
    gap: 2.5rem !important;
  }
}

/* ===========================
   Utility
   =========================== */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }