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

:root {
  --socrat-blue: #828cbf;
  --socrat-orange: #fe843a;
  --socrat-green: #64d99a;
  --socrat-darkblue: #4256ac;
  --socrat-ink: #1d2243;
  --socrat-muted: #5f6b85;
  --socrat-border: #e5e9f5;
  --socrat-bg: #f7f8fc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--socrat-ink);
  background: #fff;
}

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

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #fff;
  border-bottom: 1px solid var(--socrat-border);
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--socrat-darkblue);
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--socrat-blue), var(--socrat-orange));
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
}

.brand-logo {
  height: 32px;
  width: auto;
}

.brand-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--socrat-muted);
  font-weight: 500;
}

.nav-links a.active {
  color: var(--socrat-darkblue);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.button {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.button.primary {
  background: var(--socrat-orange);
  color: #fff;
}

.button.primary:hover {
  background: #e66f2f;
}

.button.secondary {
  background: #fff;
  border-color: var(--socrat-darkblue);
  color: var(--socrat-darkblue);
}

.button.secondary:hover {
  background: var(--socrat-darkblue);
  color: #fff;
}

.hero {
  background: var(--socrat-bg);
  padding: 80px 24px 60px;
}

.hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}

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

.hero h1 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  margin: 0;
}

.hero p {
  color: var(--socrat-muted);
  font-size: 1.1rem;
  line-height: 1.6;
}

.hero-card {
  background: #fff;
  border-radius: 24px;
  padding: 28px;
  border: 1px solid var(--socrat-border);
  box-shadow: 0 20px 40px rgba(66, 86, 172, 0.1);
}

.hero-media {
  border-radius: 28px;
  border: 1px solid var(--socrat-border);
  background: linear-gradient(135deg, rgba(130, 140, 191, 0.15), rgba(254, 132, 58, 0.12));
  padding: 26px;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--socrat-muted);
  font-weight: 600;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(66, 86, 172, 0.1);
  color: var(--socrat-darkblue);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 70px 24px;
}

.section-alt {
  background: var(--socrat-bg);
}

.section h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 0 0 12px;
}

.section p.lead {
  color: var(--socrat-muted);
  margin: 0 0 32px;
  font-size: 1.05rem;
}

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

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

@media (max-width: 900px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid.grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .grid,
  .grid.grid-2 {
    grid-template-columns: 1fr;
  }
}

.card {
  background: #fff;
  border-radius: 18px;
  border: 1px solid var(--socrat-border);
  padding: 22px;
  box-shadow: 0 12px 24px rgba(29, 34, 67, 0.06);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

.card p {
  margin: 0;
  color: var(--socrat-muted);
  line-height: 1.5;
}

.cta-banner {
  background: linear-gradient(135deg, var(--socrat-darkblue), var(--socrat-blue));
  color: #fff;
  border-radius: 28px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
}

.footer {
  margin-top: auto;
  padding: 32px 24px;
  border-top: 1px solid var(--socrat-border);
  background: #fff;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--socrat-muted);
  font-size: 0.9rem;
}

.auth-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #f1f3ff, #fff);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
}

.auth-card {
  width: 100%;
  max-width: 460px;
  background: #fff;
  border-radius: 24px;
  padding: 32px;
  border: 1px solid var(--socrat-border);
  box-shadow: 0 25px 50px rgba(29, 34, 67, 0.1);
}

.auth-card h1 {
  margin-top: 8px;
  margin-bottom: 6px;
}

.auth-card p {
  color: var(--socrat-muted);
  margin: 0 0 24px;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.auth-field label {
  font-size: 0.9rem;
  font-weight: 600;
}

.auth-field input,
.auth-field select {
  border-radius: 10px;
  border: 1px solid var(--socrat-border);
  padding: 12px 14px;
  font-size: 1rem;
  font-family: inherit;
}

.auth-error,
.auth-success {
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 0.92rem;
  margin-bottom: 16px;
}

.auth-error {
  background: #ffeaea;
  color: #b42318;
  border: 1px solid #f2b8b5;
}

.auth-success {
  background: #e8fff4;
  color: #027a48;
  border: 1px solid #a9e8c9;
}

.dashboard-header {
  background: var(--socrat-bg);
  padding: 40px 24px 24px;
}

.dashboard-content {
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}

.dashboard-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.list {
  display: grid;
  gap: 16px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(100, 217, 154, 0.15);
  color: #1a6641;
  font-weight: 600;
}

.classroom-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--socrat-border);
  background: #fff;
}

.classroom-item h4 {
  margin: 0;
}

.classroom-meta {
  color: var(--socrat-muted);
  font-size: 0.9rem;
}

.inline-form {
  display: grid;
  gap: 12px;
}

.inline-form input {
  border-radius: 10px;
  border: 1px solid var(--socrat-border);
  padding: 10px 12px;
  font-size: 0.95rem;
}

.muted {
  color: var(--socrat-muted);
}

.stat-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.stat-card {
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--socrat-border);
  padding: 18px;
  text-align: center;
  box-shadow: 0 12px 24px rgba(29, 34, 67, 0.06);
}

.stat-card strong {
  display: block;
  font-size: 1.6rem;
  color: var(--socrat-darkblue);
  margin-bottom: 6px;
}

.pill-outline {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--socrat-border);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--socrat-muted);
  background: #fff;
}

.split {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

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

.bullet-list {
  display: grid;
  gap: 12px;
}

.bullet-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.bullet-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--socrat-green);
  margin-top: 6px;
  flex-shrink: 0;
}

.link-inline {
  color: var(--socrat-blue);
  font-weight: 600;
}

.link-inline:hover {
  color: var(--socrat-orange);
}

.image-card {
  border-radius: 24px;
  border: 1px solid var(--socrat-border);
  background: #fff;
  box-shadow: 0 16px 30px rgba(29, 34, 67, 0.08);
  overflow: hidden;
}

.image-placeholder {
  padding: 60px 20px;
  text-align: center;
  color: var(--socrat-muted);
  background: linear-gradient(135deg, rgba(130, 140, 191, 0.12), rgba(100, 217, 154, 0.18));
  font-weight: 600;
}

.small {
  font-size: 0.85rem;
}

.hidden {
  display: none !important;
}

/* Screenshot Gallery */
.screenshot-gallery {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 900px) {
  .screenshot-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .screenshot-gallery {
    grid-template-columns: 1fr;
  }
}

.screenshot-item {
  display: grid;
  gap: 12px;
}

.screenshot-item h4 {
  margin: 0;
}

.screenshot-frame {
  border-radius: 24px;
  border: 1px solid var(--socrat-border);
  background: #fff;
  box-shadow: 0 16px 30px rgba(29, 34, 67, 0.08);
  overflow: hidden;
}

.image-placeholder.large {
  padding: 100px 20px;
}

/* Feature Showcase */
.feature-showcase {
  display: grid;
  gap: 48px;
}

.feature-showcase-item {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.feature-showcase-item.reverse {
  direction: rtl;
}

.feature-showcase-item.reverse > * {
  direction: ltr;
}

.feature-showcase-content {
  display: grid;
  gap: 16px;
}

.feature-showcase-content h3 {
  margin: 0;
  font-size: 1.5rem;
}

.feature-showcase-content p {
  margin: 0;
  color: var(--socrat-muted);
  line-height: 1.6;
}

.feature-showcase-media {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(29, 34, 67, 0.1);
}

.feature-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.benefit-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(100, 217, 154, 0.15);
  color: #1a6641;
  font-size: 0.85rem;
  font-weight: 500;
}

.benefit-item::before {
  content: '✓';
  font-weight: 700;
}

/* Feature List */
.feature-list {
  display: grid;
  gap: 16px;
}

.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px;
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--socrat-border);
}

.feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--socrat-orange);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  flex-shrink: 0;
}

.feature-item h4 {
  margin: 0 0 4px;
}

.feature-item p {
  margin: 0;
}

/* Audience Cards */
.audience-cards {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.audience-card {
  background: #fff;
  border-radius: 20px;
  border: 1px solid var(--socrat-border);
  padding: 28px;
  box-shadow: 0 12px 24px rgba(29, 34, 67, 0.06);
  display: grid;
  gap: 12px;
}

.audience-icon {
  display: inline-flex;
}

.audience-icon span {
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(66, 86, 172, 0.1);
  color: var(--socrat-darkblue);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.audience-card h3 {
  margin: 0;
}

.audience-card p {
  margin: 0;
  color: var(--socrat-muted);
  line-height: 1.6;
}

/* Commitment List */
.commitment-list {
  display: grid;
  gap: 12px;
}

.commitment-item {
  display: flex;
  gap: 12px;
  align-items: center;
}

.commitment-check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--socrat-green);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* Hero & Feature Illustrations */
.hero-illustration {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: linear-gradient(135deg, rgba(130, 140, 191, 0.1), rgba(100, 217, 154, 0.15));
  border-radius: 28px;
  min-height: 280px;
}

.hero-character {
  max-width: 320px;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(29, 34, 67, 0.15));
}

.feature-illustration {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(135deg, rgba(130, 140, 191, 0.1), rgba(100, 217, 154, 0.12));
  border-radius: 20px;
  min-height: 200px;
}

.feature-character {
  max-width: 180px;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 12px 24px rgba(29, 34, 67, 0.12));
}

.feature-illustration-large {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: linear-gradient(135deg, rgba(130, 140, 191, 0.08), rgba(100, 217, 154, 0.1));
  border-radius: 24px;
  min-height: 240px;
}

.showcase-character {
  max-width: 240px;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 16px 32px rgba(29, 34, 67, 0.12));
}

@media (max-width: 960px) {
  .header-inner {
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-links {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
  }

  .header-actions {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 60px;
  }

  .feature-showcase-item {
    grid-template-columns: 1fr;
  }

  .feature-showcase-item.reverse {
    direction: ltr;
  }
}

@media (max-width: 640px) {
  .header-inner {
    padding: 16px;
  }

  .hero-inner {
    gap: 24px;
  }

  .section {
    padding: 50px 20px;
  }

  .cta-banner {
    padding: 24px;
  }

  .button {
    width: 100%;
  }
}