/* ================================================
   THALK — Shared Stylesheet
   ================================================ */

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

/* --- Custom properties ---------------------------- */
:root {
  --lavender:    #E9E4F5;
  --navy:        #1A1B3A;
  --indigo:      #5B4FCF;
  --purple:      #A78BD9;
  --white:       #FFFFFF;
  --text:        #1A1B3A;
  --text-mid:    #4a4668;
  --r-card:      20px;
  --r-btn:       14px;
  --max-w:       880px;
}

/* --- Base ----------------------------------------- */
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--lavender);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- Container ------------------------------------ */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ================================================
   NAV
   ================================================ */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: rgba(233, 228, 245, 0.92);
  position: sticky;
  top: 0;
  z-index: 99;
  border-bottom: 1px solid rgba(91, 79, 207, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-logo {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
  text-decoration: none;
}

.nav-pill {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--indigo);
  background: rgba(91, 79, 207, 0.1);
  padding: 5px 14px;
  border-radius: 999px;
  letter-spacing: 0.01em;
}

/* ================================================
   HERO
   ================================================ */
.hero {
  background: var(--lavender);
  padding-block: 72px 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Subtle radial glow behind the wordmark */
.hero::before {
  content: "";
  position: absolute;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(91, 79, 207, 0.11) 0%, transparent 68%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -55%);
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--indigo);
  opacity: 0.65;
  margin-bottom: 18px;
}

.hero-wordmark {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(5.5rem, 22vw, 11rem);
  font-weight: 700;
  font-style: italic;
  letter-spacing: -3px;
  color: var(--text);
  line-height: 0.92;
  margin-bottom: 20px;
  position: relative;
}

.hero-tagline {
  font-size: clamp(1.05rem, 2.8vw, 1.3rem);
  font-weight: 600;
  color: var(--indigo);
  margin-bottom: 28px;
  letter-spacing: 0.01em;
}

.hero-desc {
  font-size: clamp(0.95rem, 2.2vw, 1.075rem);
  color: var(--text-mid);
  max-width: 540px;
  margin-inline: auto;
  margin-bottom: 44px;
  line-height: 1.78;
}

.stat-inline {
  font-weight: 800;
  color: var(--indigo);
}

/* App Store badge button */
.btn-appstore {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--navy);
  color: var(--white);
  padding: 13px 24px;
  border-radius: var(--r-btn);
  text-decoration: none;
  border: 1.5px solid rgba(255, 255, 255, 0.07);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 20px rgba(26, 27, 58, 0.28);
}

.btn-appstore:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(26, 27, 58, 0.38);
}

.btn-appstore svg {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  fill: var(--white);
}

.btn-appstore-label {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.2;
}

.btn-appstore-label small {
  font-size: 0.68rem;
  font-weight: 400;
  opacity: 0.72;
  letter-spacing: 0.01em;
}

.btn-appstore-label strong {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.hero-meta {
  margin-top: 18px;
  font-size: 0.82rem;
  color: var(--purple);
  font-weight: 500;
}

/* ================================================
   FEATURES
   ================================================ */
.features {
  background: var(--navy);
  padding-block: 80px;
}

.section-title {
  text-align: center;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
  margin-bottom: 48px;
}

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

.feature-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(167, 139, 217, 0.18);
  border-radius: var(--r-card);
  padding: 32px 26px;
  transition: transform 0.25s ease, background 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.07);
}

.feature-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 13px;
  background: rgba(91, 79, 207, 0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--purple);
}

.feature-icon-wrap svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-step {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--purple);
  opacity: 0.55;
  margin-bottom: 8px;
}

.feature-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: -0.2px;
}

.feature-card p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.58);
  line-height: 1.68;
}

/* ================================================
   DEFINITION
   ================================================ */
.definition {
  background: var(--navy);
  border-top: 1px solid rgba(167, 139, 217, 0.1);
  padding-block: 72px;
  text-align: center;
}

.definition-inner {
  max-width: 580px;
  margin-inline: auto;
}

.definition-text {
  font-size: clamp(0.95rem, 2.2vw, 1.1rem);
  color: var(--purple);
  line-height: 1.75;
  font-style: italic;
  opacity: 0.9;
}

.definition-text em {
  font-style: normal;
  font-weight: 700;
  color: var(--white);
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
  background: var(--navy);
  border-top: 1px solid rgba(167, 139, 217, 0.08);
  padding-block: 28px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.28);
}

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

.footer-links a {
  font-size: 0.8rem;
  color: var(--purple);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.18s;
}

.footer-links a:hover { opacity: 1; }

/* ================================================
   PRIVACY PAGE
   ================================================ */
.privacy-header {
  padding-block: 60px 44px;
  border-bottom: 1px solid rgba(91, 79, 207, 0.12);
}

.privacy-header h1 {
  font-size: clamp(1.9rem, 5vw, 2.8rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -1px;
  margin-bottom: 8px;
}

.privacy-date {
  font-size: 0.875rem;
  color: var(--purple);
  font-weight: 500;
}

.privacy-body {
  padding-block: 52px 88px;
}

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

.privacy-section:last-child { margin-bottom: 0; }

.privacy-body h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.2px;
}

.privacy-body p {
  font-size: 1rem;
  color: var(--text-mid);
  line-height: 1.78;
  margin-bottom: 12px;
}

.privacy-body p:last-child { margin-bottom: 0; }

.privacy-body a {
  color: var(--indigo);
  font-weight: 500;
  text-decoration: none;
}

.privacy-body a:hover { text-decoration: underline; }

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 700px) {
  .nav { padding-inline: 20px; }

  .hero {
    padding-block: 56px 80px;
  }

  .hero-wordmark { letter-spacing: -1px; }

  .features { padding-block: 60px; }

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

  .definition { padding-block: 56px; }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links { justify-content: center; }
}