/* ==========================================================================
   NortysLink — Public Website & Authentication Styles (Area A & Area B)
   File: css/public.css
   ========================================================================== */

body.public-page {
  background-color: #FFFFFF;
  color: var(--text-primary);
}

.public-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Top Bar Contract: 3 Zones (Brand Wordmark — 4 Nav Links — 1 Primary Action) */
.public-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--public-header-h);
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}

.public-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  width: 100%;
}

.public-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}

.public-brand:hover {
  color: var(--text-primary);
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background-color: var(--primary);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.public-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.public-nav a {
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.public-nav a:hover {
  color: var(--text-primary);
  border-bottom-color: var(--primary);
}

.public-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.mobile-menu-toggle {
  display: none;
}

.mobile-nav-drawer {
  display: none;
  border-bottom: 1px solid var(--border);
  background-color: var(--surface);
  padding: 16px 24px;
}

.mobile-nav-drawer.open {
  display: block;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav-links a {
  font-size: var(--text-body);
  font-weight: 600;
  color: var(--text-primary);
  padding: 6px 0;
}

/* Hero Section */
.hero-section {
  padding: 64px 0 72px;
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1.15fr;
  gap: 48px;
  align-items: center;
}

.hero-kicker {
  font-size: var(--text-cap);
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 14px;
  display: block;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 18px;
  text-wrap: balance;
}

.hero-desc {
  font-size: 1.02rem;
  line-height: 1.62;
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 54ch;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-meta-note {
  font-size: var(--text-cap);
  color: var(--text-secondary);
}

/* Interactive Product UI Preview Frame in Hero */
.hero-ui-frame {
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-e3);
  overflow: hidden;
}

.hero-ui-topbar {
  background-color: var(--sidebar-bg);
  color: #FFFFFF;
  padding: 11px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: var(--text-cap);
}

.hero-ui-window-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-ui-window-controls span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.24);
}

.hero-ui-body {
  padding: 18px;
  background-color: var(--app-bg);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hero-ui-panel {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.hero-ui-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  font-size: var(--text-ui);
}

.hero-ui-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* Features Bento Section */
.public-section {
  padding: 72px 0;
  border-bottom: 1px solid var(--border);
}

.public-section-alt {
  background-color: #F8FAFC;
}

.section-header {
  max-width: 680px;
  margin-bottom: 40px;
}

.section-kicker {
  font-size: var(--text-cap);
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.features-bento-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 20px;
}

.feature-card {
  grid-column: span 4;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.feature-card.span-6 {
  grid-column: span 6;
}

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

.feature-index {
  font-family: var(--font-mono);
  font-size: var(--text-cap);
  font-weight: 600;
  color: var(--primary);
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.feature-desc {
  font-size: var(--text-body);
  color: var(--text-secondary);
  line-height: 1.58;
}

/* How It Works 5-Step Process */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.step-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step-number {
  font-family: var(--font-display);
  font-size: var(--text-cap);
  font-weight: 700;
  color: var(--primary);
}

.step-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.step-desc {
  font-size: var(--text-ui);
  color: var(--text-secondary);
  line-height: 1.52;
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 860px;
}

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

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
}

.faq-trigger:hover {
  background-color: var(--surface-subtle);
}

.faq-answer {
  display: none;
  padding: 0 20px 18px;
  font-size: var(--text-body);
  color: var(--text-secondary);
  line-height: 1.62;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

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

/* Public Footer */
.public-footer {
  background-color: #151922;
  color: #E2E8F0;
  padding: 56px 0 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand-desc {
  color: #94A3B8;
  font-size: var(--text-ui);
  margin-top: 12px;
  max-width: 38ch;
  line-height: 1.6;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: var(--text-ui);
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #94A3B8;
  font-size: var(--text-ui);
}

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

.footer-bottom {
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: var(--text-cap);
  color: #94A3B8;
}

/* ==========================================================================
   Area B — Login & Authentication Page (/login.html)
   ========================================================================== */

.auth-page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: var(--app-bg);
}

.auth-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-e2);
  padding: 32px;
}

.google-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 18px;
  background-color: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-e1);
  transition: background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.google-btn:hover:not(:disabled) {
  background-color: var(--surface-subtle);
  border-color: #98A2B3;
}