/* ================================
   LANDING PAGE STYLES
   Three-Act Emotional Structure

   Act 1 (Pain): Dark + Stars - Mystery, introspection
   Act 2 (Hope): Light/Paper - Relief, clarity
   Act 3 (Action): Dark + Stars - Invitation, next step
   ================================ */

/* ===== Page Setup ===== */

.landing-page {
  background: #000000;
  color: #ffffff;
  min-height: 100vh;
}

.landing {
  width: 100%;
}

.landing-container {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 48px);
}

/* ===== Act Structure ===== */

.landing-act {
  width: 100%;
  position: relative;
}

/* Act 1: The Pain (Dark + Stars) */
.act-pain {
  background: #000000;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

/* Act 2: The Hope (Light) */
.act-hope {
  background: #faf9f7;
  color: #1a1a1a;
}

/* Act 3: The Action (Dark + Stars) */
.act-action {
  background: #000000;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

/* ===== Static Star Field ===== */

.star-field-static {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image:
    /* Bright stars - larger, full white */
    radial-gradient(3px 3px at 15% 12%, #ffffff 0%, transparent 70%),
    radial-gradient(2.5px 2.5px at 42% 8%, #ffffff 0%, transparent 70%),
    radial-gradient(3px 3px at 78% 18%, #ffffff 0%, transparent 70%),
    radial-gradient(2.5px 2.5px at 92% 35%, #ffffff 0%, transparent 70%),
    radial-gradient(3px 3px at 8% 55%, #ffffff 0%, transparent 70%),
    radial-gradient(2.5px 2.5px at 35% 48%, #ffffff 0%, transparent 70%),
    radial-gradient(3px 3px at 68% 42%, #ffffff 0%, transparent 70%),
    radial-gradient(2.5px 2.5px at 88% 62%, #ffffff 0%, transparent 70%),
    radial-gradient(3px 3px at 22% 78%, #ffffff 0%, transparent 70%),
    radial-gradient(2.5px 2.5px at 55% 72%, #ffffff 0%, transparent 70%),
    radial-gradient(3px 3px at 82% 85%, #ffffff 0%, transparent 70%),
    radial-gradient(2.5px 2.5px at 48% 92%, #ffffff 0%, transparent 70%),
    /* Medium stars */
    radial-gradient(2px 2px at 5% 25%, rgba(255,255,255,0.9) 0%, transparent 70%),
    radial-gradient(2px 2px at 28% 32%, rgba(255,255,255,0.85) 0%, transparent 70%),
    radial-gradient(2px 2px at 52% 22%, rgba(255,255,255,0.9) 0%, transparent 70%),
    radial-gradient(2px 2px at 72% 28%, rgba(255,255,255,0.85) 0%, transparent 70%),
    radial-gradient(2px 2px at 95% 48%, rgba(255,255,255,0.9) 0%, transparent 70%),
    radial-gradient(2px 2px at 18% 42%, rgba(255,255,255,0.85) 0%, transparent 70%),
    radial-gradient(2px 2px at 38% 65%, rgba(255,255,255,0.9) 0%, transparent 70%),
    radial-gradient(2px 2px at 62% 58%, rgba(255,255,255,0.85) 0%, transparent 70%),
    radial-gradient(2px 2px at 85% 72%, rgba(255,255,255,0.9) 0%, transparent 70%),
    radial-gradient(2px 2px at 12% 88%, rgba(255,255,255,0.85) 0%, transparent 70%),
    radial-gradient(2px 2px at 45% 82%, rgba(255,255,255,0.9) 0%, transparent 70%),
    radial-gradient(2px 2px at 75% 95%, rgba(255,255,255,0.85) 0%, transparent 70%),
    /* Dim stars - scattered fill */
    radial-gradient(1.5px 1.5px at 3% 8%, rgba(255,255,255,0.7) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 18% 18%, rgba(255,255,255,0.6) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 32% 5%, rgba(255,255,255,0.7) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 58% 15%, rgba(255,255,255,0.6) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 85% 8%, rgba(255,255,255,0.7) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 98% 22%, rgba(255,255,255,0.6) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 8% 38%, rgba(255,255,255,0.7) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 25% 52%, rgba(255,255,255,0.6) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 48% 38%, rgba(255,255,255,0.7) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 65% 55%, rgba(255,255,255,0.6) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 78% 48%, rgba(255,255,255,0.7) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 92% 58%, rgba(255,255,255,0.6) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 15% 72%, rgba(255,255,255,0.7) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 32% 85%, rgba(255,255,255,0.6) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 58% 78%, rgba(255,255,255,0.7) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 72% 88%, rgba(255,255,255,0.6) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 88% 78%, rgba(255,255,255,0.7) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 95% 92%, rgba(255,255,255,0.6) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 5% 95%, rgba(255,255,255,0.7) 0%, transparent 70%),
    radial-gradient(1.5px 1.5px at 42% 98%, rgba(255,255,255,0.6) 0%, transparent 70%);
}

/* Content above stars */
.act-pain > *:not(.star-field-static),
.act-action > *:not(.star-field-static) {
  position: relative;
  z-index: 1;
}

/* ===== Logo Header ===== */

.landing-header {
  padding: clamp(24px, 4vh, 40px) 0;
}

.landing-logo {
  display: inline-block;
  opacity: 0.9;
  transition: opacity 0.2s ease;
}

.landing-logo:hover {
  opacity: 1;
}

.logo-icon-white {
  width: 40px;
  height: auto;
  filter: invert(1);
}

/* ===== Hero Section (Act 1) ===== */

.landing-hero {
  padding: clamp(60px, 10vh, 100px) 0 clamp(40px, 6vh, 60px);
}

.hero-headline {
  font-family: var(--font-editorial);
  font-size: clamp(40px, 8vw, 64px);
  font-weight: 400;
  line-height: 1.05;
  margin-bottom: clamp(28px, 5vh, 48px);
  letter-spacing: -0.02em;
}

.hero-subhead {
  font-family: var(--font-editorial);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: clamp(24px, 4vh, 36px);
}

.hero-subhead em {
  font-style: italic;
  color: #ffffff;
}

.hero-insight {
  font-family: var(--font-editorial);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.4;
  color: #ffffff;
  margin-bottom: clamp(32px, 5vh, 48px);
}

.hero-cta {
  margin-top: clamp(8px, 2vh, 16px);
}

/* ===== Letter Section (Act 1) ===== */

.letter-section {
  padding: clamp(40px, 6vh, 60px) 0 clamp(80px, 12vh, 120px);
}

/* Letter fills container width */

.letter-greeting {
  font-family: var(--font-editorial);
  font-size: var(--text-lg);
  font-weight: 400;
  font-style: italic;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: clamp(28px, 4vh, 36px);
}

.letter-paragraph {
  font-family: var(--font-editorial);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: clamp(24px, 3.5vh, 32px);
}

.letter-paragraph em {
  font-style: italic;
  color: #ffffff;
}

.letter-paragraph strong {
  font-weight: 400;
  color: #ffffff;
}

.letter-signature {
  font-family: var(--font-editorial);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
  margin-top: clamp(36px, 5vh, 48px);
}

.letter-signature strong {
  color: #ffffff;
  font-weight: 400;
}

.signature-company {
  font-style: italic;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== Insight Section (Act 2 - Light) ===== */

.insight-section {
  padding: clamp(80px, 12vh, 120px) 0 clamp(60px, 10vh, 80px);
}

.insight-quote {
  font-family: var(--font-editorial);
  font-size: clamp(32px, 6vw, 52px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.2;
  margin: 0 0 clamp(32px, 5vh, 48px) 0;
  padding: 0;
  border: none;
  color: #1a1a1a;
}

.insight-explanation {
  font-family: var(--font-editorial);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.65;
  color: rgba(26, 26, 26, 0.7);
  margin-bottom: clamp(20px, 3vh, 28px);
}

.insight-explanation:last-child {
  margin-bottom: 0;
}

.insight-explanation em {
  font-style: italic;
  color: #1a1a1a;
}

/* ===== Help Section (Act 2 - Light) ===== */

.help-section {
  padding: clamp(60px, 10vh, 80px) 0;
  border-top: 1px solid rgba(26, 26, 26, 0.08);
}

.act-hope .section-heading {
  font-family: var(--font-editorial);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: clamp(28px, 4vh, 40px);
  color: #1a1a1a;
}

/* Help prose fills container width */

.help-prose p {
  font-family: var(--font-editorial);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.7;
  color: rgba(26, 26, 26, 0.75);
  margin-bottom: clamp(24px, 4vh, 32px);
}

.help-prose p:last-child {
  margin-bottom: 0;
}

/* ===== Case Study Section (Act 2 - Light) ===== */

.case-section {
  padding: clamp(60px, 10vh, 80px) 0;
  border-top: 1px solid rgba(26, 26, 26, 0.08);
}

.case-study {
  background: #ffffff;
  border: 1px solid rgba(26, 26, 26, 0.08);
  padding: clamp(32px, 5vh, 48px);
  margin-top: clamp(20px, 3vh, 28px);
}

.case-context {
  font-family: var(--font-editorial);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.65;
  color: rgba(26, 26, 26, 0.75);
  margin-bottom: clamp(36px, 5vh, 48px);
}

.case-context strong {
  color: #1a1a1a;
}

.case-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 40px);
  margin-bottom: clamp(36px, 5vh, 48px);
  text-align: center;
}

@media (max-width: 600px) {
  .case-results {
    grid-template-columns: 1fr;
    gap: clamp(20px, 3vh, 28px);
    text-align: left;
  }

  .case-result {
    display: flex;
    align-items: baseline;
    gap: 16px;
  }
}

.result-stat {
  display: block;
  font-family: var(--font-editorial);
  font-size: clamp(32px, 5vw, 42px);
  font-weight: 400;
  line-height: 1;
  color: #1a1a1a;
  margin-bottom: 8px;
}

@media (max-width: 600px) {
  .result-stat {
    font-size: 28px;
    min-width: 70px;
    margin-bottom: 0;
  }
}

.result-label {
  display: block;
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: var(--text-sm);
  font-weight: 400;
  line-height: 1.4;
  color: rgba(26, 26, 26, 0.55);
}

.case-quote {
  font-family: var(--font-editorial);
  font-style: italic;
  border-left: 2px solid rgba(26, 26, 26, 0.15);
  padding-left: clamp(20px, 4vw, 28px);
  margin: 0;
}

.case-quote p {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: rgba(26, 26, 26, 0.8);
  margin-bottom: 12px;
}

.case-quote cite {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: var(--text-sm);
  font-style: normal;
  color: rgba(26, 26, 26, 0.5);
}

/* ===== Team Section (Act 2 - Light) ===== */

.team-section {
  padding: clamp(60px, 10vh, 80px) 0 clamp(80px, 12vh, 100px);
  border-top: 1px solid rgba(26, 26, 26, 0.08);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(40px, 6vw, 60px);
  margin-bottom: clamp(40px, 6vh, 56px);
}

.member-name {
  font-family: var(--font-editorial);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: clamp(12px, 2vh, 16px);
  color: #1a1a1a;
}

.member-bio {
  font-family: var(--font-editorial);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.65;
  color: rgba(26, 26, 26, 0.7);
}

.team-note {
  font-family: var(--font-editorial);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.55;
  color: rgba(26, 26, 26, 0.8);
  padding-top: clamp(32px, 5vh, 44px);
  border-top: 1px solid rgba(26, 26, 26, 0.08);
}

/* ===== Demo Section (Act 3 - Dark) ===== */

.demo-section {
  padding: clamp(80px, 12vh, 100px) 0 clamp(40px, 6vh, 60px);
}

.act-action .section-heading {
  font-family: var(--font-editorial);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: clamp(20px, 3vh, 28px);
  color: #ffffff;
}

.demo-description {
  font-family: var(--font-editorial);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: clamp(16px, 2vh, 24px);
}

.demo-time {
  font-family: var(--font-editorial);
  font-size: var(--text-base);
  font-weight: 400;
  font-style: italic;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: clamp(28px, 4vh, 40px);
}

.demo-cta {
  margin-top: clamp(16px, 2vh, 24px);
}

/* ===== Final CTA Section (Act 3 - Dark) ===== */

.final-section {
  padding: clamp(40px, 6vh, 60px) 0 clamp(60px, 10vh, 80px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.final-headline {
  font-family: var(--font-editorial);
  font-size: clamp(32px, 6vw, 48px);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: clamp(20px, 3vh, 28px);
  color: #ffffff;
}

.final-subhead {
  font-family: var(--font-editorial);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: clamp(36px, 5vh, 48px);
}

.final-cta {
  margin-bottom: clamp(28px, 4vh, 36px);
}

.final-email {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.4);
}

.final-email a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.25);
  transition: all 0.2s ease;
}

.final-email a:hover {
  color: #ffffff;
  text-decoration-color: rgba(255, 255, 255, 0.5);
}

/* ===== Buttons ===== */

.btn-primary {
  display: inline-block;
  font-family: var(--font-editorial);
  font-size: var(--text-base);
  padding: clamp(16px, 2.5vh, 20px) clamp(32px, 5vw, 48px);
  background: #ffffff;
  color: #000000;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  font-family: var(--font-editorial);
  font-size: var(--text-base);
  padding: clamp(16px, 2.5vh, 20px) clamp(32px, 5vw, 48px);
  background: transparent;
  color: #ffffff;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.05);
}

/* ===== Mobile Adjustments ===== */

@media (max-width: 768px) {
  .landing-hero {
    min-height: 50vh;
    padding: clamp(32px, 6vh, 48px) 0 clamp(48px, 8vh, 72px);
  }

  .hero-headline {
    font-size: clamp(36px, 10vw, 48px);
  }

  .letter-paragraph em {
    font-size: var(--text-lg);
  }
}