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

:root {
  --bg-primary: #080808;
  --bg-card: #141414;
  --bg-elevated: #181818;
  --border: #242424;
  --border-subtle: #202020;
  --border-accent: #2A2A2A;
  --text-primary: #FFFFFF;
  --text-secondary: #A0A0A0;
  --text-muted: #666666;
  --text-dim: #7A7A7A;
  --text-cue: #7E7E7E;
  --accent: #00E5FF;
  --accent-dim: rgba(0, 229, 255, 0.08);
  --accent-glow: rgba(0, 229, 255, 0.15);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  overflow-x: hidden;
}

::selection {
  background-color: var(--accent);
  color: #080808;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

ul, ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  font-family: inherit;
  cursor: pointer;
  color: inherit;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* ==========================================================================
   9. Utility & Animation Classes
   ========================================================================== */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.section {
  padding: 120px 0;
}

@media (max-width: 768px) {
  .section {
    padding: 80px 0;
  }
}

.overline {
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 26px;
  }
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.6;
  margin-top: 16px;
}

.text-center {
  text-align: center;
}
.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   2. Navigation
   ========================================================================== */
nav.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(8, 8, 8, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-subtle);
  height: 70px;
  display: flex;
  align-items: center;
}

nav.navbar > .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  height: 100%;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.logo-accent {
  color: var(--accent);
}

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

.nav-links a {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 600;
}

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

.nav-actions {
  display: flex;
  align-items: center;
}

.nav-back-btn {
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 6px;
  text-decoration: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: 0.3s;
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--bg-primary);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 20px;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .hamburger {
    display: flex;
  }
}

/* ==========================================================================
   3. Hero Section
   ========================================================================== */
#hero {
  min-height: calc(100vh - 70px);
  margin-top: 70px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 60px 24px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 32px;
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
  max-width: 800px;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 40px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
}

.hero-ctas .btn {
  width: 170px;
  min-width: 170px;
  text-align: center;
  padding: 14px 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--accent);
  color: #080808;
}

.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 20px var(--accent-glow);
}

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

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-start-wrapper {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  position: relative;
}

.btn-start-now {
  min-width: 170px;
  padding: 15px 44px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 8px;
  cursor: pointer;
  letter-spacing: 0.01em;
}

.dev-alert {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.dev-alert.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.dev-alert-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  display: inline-block;
  flex-shrink: 0;
  animation: pulse-dot 1.8s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.8);
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 32px;
  }
  .hero-ctas {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }
  .hero-ctas .btn {
    width: 100%;
    min-width: unset;
  }
  .hero-start-wrapper {
    width: 100%;
    max-width: 320px;
    margin-top: 24px;
  }
  .hero-start-wrapper .btn-start-now {
    width: 100%;
    min-width: unset;
  }
  .btn {
    width: 100%;
  }
}

/* ==========================================================================
   4. How It Works
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 60px;
  position: relative;
}

.step-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.step-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 24px;
}

.step-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.step-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.step-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  font-size: 13px;
}

.step-table tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.step-table tr:last-child {
  border-bottom: none;
}

.step-table td {
  padding: 10px 0;
  vertical-align: top;
  line-height: 1.45;
}

.step-table .table-key {
  width: 105px;
  min-width: 105px;
  color: var(--text-primary);
  font-weight: 600;
  padding-right: 12px;
  white-space: nowrap;
}

.step-table .table-key::before {
  content: '•';
  color: var(--accent);
  margin-right: 6px;
  font-size: 13px;
}

.step-table .table-val {
  color: var(--text-secondary);
}

@media (min-width: 769px) {
  .step-card:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 56px;
    right: -32px;
    width: 32px;
    border-top: 2px dotted rgba(0, 229, 255, 0.2);
    z-index: 1;
  }
}

@media (max-width: 768px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   5. Card Preview
   ========================================================================== */
.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 60px;
}

.preview-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

.preview-col .card-box {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.preview-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 24px;
  font-weight: 600;
}

.preview-caption {
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {
  .preview-grid {
    grid-template-columns: 1fr;
  }
}

/* Anki Card Scoped Styles */
.preview-area {
  width: 100%;
}

.preview-area .card-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: 14px;
  max-width: 560px;
  margin: 0 auto;
  padding: 32px 28px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.6);
  width: 100%;
}

.preview-area .front-center {
  text-align: center;
  padding: 42px 28px;
  margin: auto 0;
  width: 100%;
}

.preview-area .badge-row {
  display: flex;
  align-items: center;
  margin-bottom: 22px;
}

.preview-area .front-center .badge-row {
  justify-content: center;
}

.preview-area .word-title {
  font-size: 36px;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.preview-area .type-badge {
  display: inline-block;
  flex: 0 0 auto;
  white-space: nowrap;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  background-color: #1B1B1B;
  border: 1px solid var(--border-accent);
  padding: 4px 10px;
  border-radius: 6px;
}

.preview-area .header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: nowrap;
  gap: 14px;
}

.preview-area .word-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  flex: 1 1 auto;
  min-width: 0;
}

.preview-area .word-title-back {
  font-size: 28px;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.02em;
}

.preview-area .turkish-cue {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-cue);
  letter-spacing: 0.01em;
}

.preview-area .meaning-box {
  background-color: var(--bg-elevated);
  border: 1px solid #282828;
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 20px;
}

.preview-area .section-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: block;
}

.preview-area .meaning-text {
  font-size: 16px;
  font-weight: 500;
  color: #FFFFFF;
  line-height: 1.5;
}

.preview-area .synonym-tag, 
.preview-area .synonym-tag * {
  color: var(--accent) !important;
}

.preview-area .synonym-tag {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  margin-top: 6px;
  margin-bottom: 0;
  letter-spacing: 0.02em;
}

.preview-area .sentence-box {
  background-color: #0E0E0E;
  border-left: 3px solid #2E2E2E;
  border-radius: 0 8px 8px 0;
  padding: 16px 20px;
}

.preview-area .quote-text {
  margin: 6px 0 0 0;
  font-size: 14.5px;
  font-style: italic;
  line-height: 1.6;
  color: #D4D4D4;
}

.preview-area .quote-text b {
  color: #FFFFFF !important;
  font-weight: 700;
  font-style: normal;
  text-decoration: underline;
  text-decoration-color: #4A4A4A;
  text-underline-offset: 3px;
}

/* ==========================================================================
   6. Features Grid
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.feature-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: #333333;
  transform: translateY(-2px);
}

.feature-icon {
  width: 40px;
  height: 40px;
  background-color: var(--accent-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.feature-icon svg {
  width: 20px;
  height: 20px;
}

.feature-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 16px;
  margin-bottom: 8px;
}

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

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   7. Anki Integration
   ========================================================================== */
.integration-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.integration-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 16px;
}

.integration-workflow {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  padding-left: 20px;
}

.integration-workflow::before {
  content: '';
  position: absolute;
  top: 20px;
  bottom: 20px;
  left: 0;
  width: 2px;
  border-left: 2px dotted var(--accent);
  opacity: 0.5;
}

.workflow-step {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
  border-radius: 8px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
}

.workflow-step::before {
  content: '';
  position: absolute;
  left: -25px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  background-color: var(--bg-primary);
  border: 2px solid var(--accent);
  border-radius: 50%;
  z-index: 2;
}

.workflow-step-text {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 15px;
}

@media (max-width: 768px) {
  .integration-split {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ==========================================================================
   8. Footer
   ========================================================================== */
.footer {
  background-color: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}

.footer-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 40px;
}

.footer-tagline {
  color: var(--text-muted);
  margin-top: 12px;
  font-size: 14px;
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
}

.copyright {
  font-size: 12px;
  color: var(--text-muted);
}


/* ==========================================================================
   Additional styles: scroll padding, text-accent, section padding,
   nav active state, integration list, workflow text, navbar scrolled
   ========================================================================== */

html {
  scroll-padding-top: 80px;
}

.text-accent {
  color: var(--accent);
}

/* Section padding for sections using the class */
#hero ~ section:not(.section) {
  padding: 120px 0;
}
@media (max-width: 768px) {
  #hero ~ section:not(.section) {
    padding: 80px 0;
  }
}

.section-header {
  text-align: center;
  margin-bottom: 0;
}
.section-header .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* Nav link active state */
.nav-links a.active {
  color: var(--accent);
}

/* Navbar scrolled state */
nav.navbar.scrolled {
  background-color: rgba(8, 8, 8, 0.95);
  box-shadow: 0 1px 10px rgba(0, 0, 0, 0.5);
}

/* Integration list */
.integration-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.integration-list li {
  font-size: 15px;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}

.integration-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent);
  opacity: 0.6;
}

/* Workflow icon */
.workflow-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  background-color: var(--accent-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.workflow-icon svg {
  width: 18px;
  height: 18px;
}

/* Workflow text */
.workflow-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.workflow-step-title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 15px;
}

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


/* ==========================================================================
   Waitlist Section
   ========================================================================== */
.waitlist-section {
  padding: 100px 0 120px;
}

.waitlist-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: 16px;
  padding: 60px 40px;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.5);
}

.waitlist-card .section-subtitle {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 36px;
}

.waitlist-form {
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.waitlist-input-wrapper {
  display: flex;
  width: 100%;
  gap: 12px;
}

.waitlist-input {
  flex: 1;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 15px;
  padding: 14px 20px;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.waitlist-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.waitlist-submit-btn {
  white-space: nowrap;
  padding: 14px 28px;
  cursor: pointer;
}

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

.waitlist-success {
  display: none;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--accent);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 12px 20px;
  border-radius: 8px;
  margin-top: 8px;
  width: 100%;
  justify-content: center;
}

.waitlist-success.is-visible {
  display: flex;
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
  .waitlist-card {
    padding: 40px 20px;
  }
  .waitlist-input-wrapper {
    flex-direction: column;
  }
  .waitlist-submit-btn {
    width: 100%;
  }
}

/* ==========================================================================
   Footer Links & Corporate Email
   ========================================================================== */
.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.footer-link {
  font-size: 13px;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

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

.footer-sep {
  color: #333333;
  font-size: 12px;
}

/* ==========================================================================
   Legal Pages (Privacy & Terms)
   ========================================================================== */
.legal-page {
  padding: 130px 0 80px;
  min-height: calc(100vh - 200px);
}

.legal-content {
  max-width: 760px;
  margin: 0 auto;
}

.legal-date {
  font-size: 13px;
  color: var(--text-muted);
  margin: 8px 0 40px;
}

.legal-section {
  margin-bottom: 36px;
}

.legal-section h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.legal-section p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.legal-back {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
}


/* ==========================================================================
   Technical Deep-Dive / LLM Contextual Pipeline
   ========================================================================== */
.tech-deepdive {
  margin-top: 50px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 14px;
  padding: 40px;
}

.tech-deepdive-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.tech-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background-color: var(--accent-dim);
  padding: 4px 10px;
  border-radius: 6px;
}

.tech-deepdive-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.tech-deepdive-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 900px;
}

.tech-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.tech-metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.metric-num {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.metric-label {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .tech-deepdive {
    padding: 28px 20px;
  }
  .tech-metrics {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* ==========================================================================
   Founder's Note / Mission Section
   ========================================================================== */
.founder-section {
  padding: 80px 0 100px;
}

.founder-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 56px 48px;
  max-width: 860px;
  margin: 0 auto;
}

.founder-header {
  margin-bottom: 24px;
}

.founder-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.founder-body p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.founder-signoff {
  margin-top: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.founder-team {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.founder-sub {
  font-size: 13px;
  color: var(--accent);
}

@media (max-width: 768px) {
  .founder-card {
    padding: 36px 24px;
  }
}

/* ==========================================================================
   Waitlist Consent Checkbox
   ========================================================================== */
.waitlist-consent {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

.waitlist-consent input[type="checkbox"] {
  accent-color: var(--accent);
  width: 15px;
  height: 15px;
  cursor: pointer;
}

.waitlist-consent a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ==========================================================================
   Thanks Confirmation Page
   ========================================================================== */
.thanks-page {
  padding: 140px 0 100px;
  min-height: calc(100vh - 220px);
  display: flex;
  align-items: center;
}

.thanks-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: 16px;
  padding: 60px 48px;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
}

.thanks-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--accent-dim);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.thanks-icon svg {
  width: 28px;
  height: 28px;
}

.thanks-card .section-subtitle {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 32px;
}

.thanks-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
  margin: 28px 0 36px;
  padding: 24px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.thanks-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.thanks-step-num {
  font-size: 18px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  padding-top: 2px;
}

.thanks-step-text strong {
  display: block;
  font-size: 14px;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.thanks-step-text p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.thanks-action {
  margin-top: 24px;
}

@media (max-width: 600px) {
  .thanks-card {
    padding: 40px 24px;
  }
}