/* ==========================================================================
   EARTHRISE LIVE — Stylesheet
   Cinematic, premium, sponsor-ready design system.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Color — deep space → sunrise palette */
  --c-space-deep:    #000814;
  --c-space-mid:     #001D3D;
  --c-space-light:   #003566;
  --c-night:         #02101e;

  --c-sunrise-gold:  #FFC300;
  --c-sunrise-warm:  #FFD60A;
  --c-sunrise-soft:  #FFEEB0;

  --c-electric:      #00B4D8;
  --c-electric-soft: #4ECDC4;

  --c-white:         #FFFFFF;
  --c-bone:          #F8F4E9;
  --c-cloud:         #E8EEF5;
  --c-mist:          #B7C3D4;
  --c-stone:         #6E7A8C;
  --c-charcoal:      #2A3441;

  /* Type */
  --f-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --f-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Type scale (fluid) */
  --t-hero:    clamp(2.75rem, 7vw + 0.5rem, 6.5rem);
  --t-h2:      clamp(2rem, 4vw + 0.5rem, 4rem);
  --t-h3:      clamp(1.25rem, 1vw + 0.875rem, 1.625rem);
  --t-lead:    clamp(1.125rem, 0.5vw + 1rem, 1.375rem);
  --t-body:    1.0625rem;
  --t-small:   0.875rem;
  --t-eyebrow: 0.75rem;

  /* Space */
  --sp-section: clamp(5rem, 10vw, 9rem);
  --sp-block:   clamp(2rem, 4vw, 4rem);
  --container:  1280px;
  --container-narrow: 920px;

  /* Other */
  --radius:    14px;
  --radius-lg: 22px;
  --shadow-glow: 0 0 80px rgba(255, 195, 0, 0.18);
  --shadow-card: 0 30px 70px -20px rgba(0, 8, 20, 0.65);
  --t-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--f-sans);
  font-size: var(--t-body);
  line-height: 1.6;
  color: var(--c-bone);
  background: var(--c-space-deep);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; transition: color 200ms var(--t-ease), opacity 200ms var(--t-ease); }
a:hover { color: var(--c-sunrise-gold); }

button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

::selection { background: var(--c-sunrise-gold); color: var(--c-space-deep); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* --------------------------------------------------------------------------
   3. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  padding: 1.05em 1.85em;
  font-family: var(--f-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 280ms var(--t-ease), box-shadow 280ms var(--t-ease), background 280ms var(--t-ease), color 280ms var(--t-ease);
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--c-sunrise-warm) 0%, var(--c-sunrise-gold) 100%);
  color: var(--c-space-deep);
  box-shadow: 0 10px 30px -8px rgba(255, 195, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.btn-primary:hover {
  color: var(--c-space-deep);
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -10px rgba(255, 195, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.btn-ghost {
  background: transparent;
  color: var(--c-bone);
  border: 1px solid rgba(248, 244, 233, 0.25);
}
.btn-ghost:hover {
  border-color: var(--c-sunrise-gold);
  color: var(--c-sunrise-gold);
}

.btn-sm { padding: 0.75em 1.4em; font-size: 0.875rem; }
.btn-block { width: 100%; padding: 1.15em; font-size: 1rem; }

/* --------------------------------------------------------------------------
   4. Header
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.1rem 0;
  transition: background 300ms var(--t-ease), padding 300ms var(--t-ease), border-color 300ms var(--t-ease), backdrop-filter 300ms var(--t-ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(0, 8, 20, 0.78);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom-color: rgba(255, 255, 255, 0.06);
  padding: 0.7rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  font-family: var(--f-sans);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.14em;
  color: var(--c-white);
  text-transform: uppercase;
}
.brand:hover { color: var(--c-sunrise-gold); }
.brand-mark { display: inline-flex; align-items: center; }
.brand-divider {
  color: var(--c-sunrise-gold);
  margin: 0 0.05em;
  font-weight: 800;
}

.primary-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.primary-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-cloud);
  letter-spacing: 0.01em;
  position: relative;
}
.primary-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--c-sunrise-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 300ms var(--t-ease);
}
.primary-nav a:hover { color: var(--c-bone); }
.primary-nav a:hover::after { transform: scaleX(1); }

.header-cta { flex-shrink: 0; }

.nav-toggle {
  display: none;
  width: 40px; height: 36px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  width: 24px;
  background: var(--c-bone);
  transition: transform 250ms var(--t-ease), opacity 250ms var(--t-ease);
  margin: 0 auto;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav {
  display: none;
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: rgba(0, 8, 20, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1.5rem 2rem 2.5rem;
  flex-direction: column;
  gap: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a {
  padding: 0.95rem 0;
  font-size: 1.125rem;
  font-weight: 500;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.mobile-nav .mobile-cta {
  margin-top: 1rem;
  padding: 1.1rem 1.5rem;
  background: var(--c-sunrise-gold);
  color: var(--c-space-deep);
  border-radius: 999px;
  text-align: center;
  font-weight: 600;
  border-bottom: 0;
}

/* --------------------------------------------------------------------------
   5. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-start;
  padding: clamp(4.5rem, 9vh, 7.5rem) 0 3.5rem;
  overflow: hidden;
  background: var(--c-space-deep);
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Stars layer */
.stars {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 12% 20%, rgba(255,255,255,0.8) 50%, transparent),
    radial-gradient(1px 1px at 25% 65%, rgba(255,255,255,0.6) 50%, transparent),
    radial-gradient(1.5px 1.5px at 45% 15%, rgba(255,255,255,0.9) 50%, transparent),
    radial-gradient(1px 1px at 60% 80%, rgba(255,255,255,0.7) 50%, transparent),
    radial-gradient(1px 1px at 75% 25%, rgba(255,255,255,0.5) 50%, transparent),
    radial-gradient(2px 2px at 88% 60%, rgba(255,255,255,0.85) 50%, transparent),
    radial-gradient(1px 1px at 18% 88%, rgba(255,255,255,0.6) 50%, transparent),
    radial-gradient(1px 1px at 33% 38%, rgba(255,255,255,0.5) 50%, transparent),
    radial-gradient(1.5px 1.5px at 52% 92%, rgba(255,255,255,0.7) 50%, transparent),
    radial-gradient(1px 1px at 70% 50%, rgba(255,255,255,0.6) 50%, transparent),
    radial-gradient(1px 1px at 82% 12%, rgba(255,255,255,0.7) 50%, transparent),
    radial-gradient(1px 1px at 95% 80%, rgba(255,255,255,0.6) 50%, transparent),
    radial-gradient(1px 1px at 5% 50%, rgba(255,255,255,0.55) 50%, transparent),
    radial-gradient(1px 1px at 38% 75%, rgba(255,255,255,0.5) 50%, transparent),
    radial-gradient(1px 1px at 65% 8%, rgba(255,255,255,0.6) 50%, transparent);
  opacity: 0.85;
  animation: starsTwinkle 6s ease-in-out infinite alternate;
}

/* Sunrise glow */
.sunrise-glow {
  position: absolute;
  right: -10%;
  top: 30%;
  width: 70%;
  height: 90%;
  background: radial-gradient(circle at 30% 50%,
    rgba(255, 195, 0, 0.28) 0%,
    rgba(255, 214, 10, 0.16) 20%,
    rgba(0, 180, 216, 0.06) 40%,
    transparent 65%);
  filter: blur(40px);
  pointer-events: none;
}

/* Earth — daylight Three.js canvas */
.earth-container {
  position: absolute;
  right: -3%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(420px, 54vw, 820px);
  aspect-ratio: 1/1;
  pointer-events: none;
  opacity: 0.97;
}

.earth-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  filter:
    drop-shadow(0 0 80px rgba(0, 180, 216, 0.20))
    drop-shadow(0 0 120px rgba(255, 195, 0, 0.10));
}

/* Static CSS-only fallback when WebGL is unavailable */
.earth-fallback {
  display: none;
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 30%,
      #4a8fc9 0%,
      #1f5a8a 28%,
      #0c3a5e 55%,
      #06243d 78%,
      #02101e 100%);
  box-shadow:
    inset -20px -25px 60px rgba(0, 8, 20, 0.7),
    inset 20px 20px 60px rgba(255, 230, 180, 0.10),
    0 0 100px rgba(0, 180, 216, 0.18),
    0 0 160px rgba(255, 195, 0, 0.10);
}

.earth-aura {
  position: absolute;
  inset: -15%;
  background:
    radial-gradient(circle at 30% 40%, rgba(255, 195, 0, 0.10) 0%, transparent 55%),
    radial-gradient(circle, rgba(0, 180, 216, 0.06) 0%, transparent 65%);
  filter: blur(40px);
  pointer-events: none;
  animation: auraPulse 10s ease-in-out infinite alternate;
}

.hero-vignette {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(0, 8, 20, 0.85) 0%, rgba(0, 8, 20, 0.6) 35%, rgba(0, 8, 20, 0.15) 65%, transparent 90%),
    linear-gradient(to bottom, transparent 60%, rgba(0, 8, 20, 0.85) 100%);
}

/* Hero content — left-anchored within the container (overrides container's auto-centering) */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 960px;
  margin-left: 0;
  margin-right: auto;
  padding-left: clamp(1.25rem, 5vw, 100px);
}

.hero-eyebrow {
  font-size: clamp(0.75rem, 0.1vw + 0.7rem, 0.875rem);
  letter-spacing: 0.32em;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--c-sunrise-soft);
  margin-bottom: clamp(1.25rem, 1.5vw, 2rem);
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.1rem;
  background: rgba(255, 195, 0, 0.08);
  border: 1px solid rgba(255, 195, 0, 0.22);
  border-radius: 999px;
}
.hero-eyebrow .brand-divider { color: var(--c-sunrise-gold); }

.hero-headline {
  font-family: var(--f-display);
  font-size: clamp(2.5rem, 8.5vw + 0.125rem, 8.25rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.028em;
  color: var(--c-white);
  margin-bottom: clamp(1.25rem, 1.5vw, 2rem);
  font-variation-settings: "opsz" 144;
}
.hero-headline .accent {
  font-style: italic;
  background: linear-gradient(135deg, var(--c-sunrise-warm) 0%, var(--c-sunrise-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 400;
}

.hero-sub {
  font-size: clamp(1.125rem, 1.2vw + 0.75rem, 2rem);
  color: var(--c-cloud);
  margin-bottom: clamp(1rem, 1.2vw, 1.75rem);
  font-weight: 300;
  letter-spacing: 0.005em;
  line-height: 1.25;
}

.hero-body {
  font-size: clamp(1rem, 0.4vw + 0.9rem, 1.25rem);
  line-height: 1.6;
  color: var(--c-mist);
  margin-bottom: clamp(1.25rem, 1.3vw, 1.75rem);
  max-width: 640px;
}

.hero-pitch {
  font-family: var(--f-display);
  font-size: clamp(1.25rem, 1.3vw + 0.75rem, 2rem);
  font-style: italic;
  color: var(--c-sunrise-soft);
  margin-bottom: clamp(1.5rem, 2vw, 2.25rem);
  font-weight: 400;
  letter-spacing: -0.005em;
  line-height: 1.25;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: clamp(2rem, 3vw, 2.75rem);
}
.hero-ctas .btn {
  font-size: clamp(0.9375rem, 0.2vw + 0.875rem, 1.0625rem);
  padding: clamp(1em, 0.3vw + 0.95em, 1.15em) clamp(1.7em, 0.5vw + 1.5em, 2.1em);
}

.hero-credibility {
  font-size: clamp(0.8125rem, 0.2vw + 0.75rem, 0.9375rem);
  color: var(--c-stone);
  max-width: 640px;
  line-height: 1.65;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.hero-credibility strong { color: var(--c-cloud); font-weight: 600; }

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
  z-index: 3;
}
.scroll-indicator span {
  width: 2px;
  height: 6px;
  background: var(--c-sunrise-gold);
  border-radius: 999px;
  animation: scrollDot 2.2s ease-in-out infinite;
}

/* --------------------------------------------------------------------------
   6. Section base
   -------------------------------------------------------------------------- */
.section {
  position: relative;
  padding: var(--sp-section) 0;
}

.section-eyebrow {
  font-size: var(--t-eyebrow);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--c-sunrise-gold);
  margin-bottom: 1.25rem;
}

.section-headline {
  font-family: var(--f-display);
  font-size: var(--t-h2);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--c-white);
  margin-bottom: 2.5rem;
  max-width: 980px;
  font-variation-settings: "opsz" 144;
}

.section-intro {
  font-size: var(--t-lead);
  color: var(--c-cloud);
  margin-bottom: 3rem;
  max-width: 720px;
  line-height: 1.6;
}

.lead {
  font-family: var(--f-display);
  font-size: var(--t-lead);
  font-weight: 400;
  color: var(--c-bone);
  line-height: 1.5;
  font-variation-settings: "opsz" 24;
}

/* --------------------------------------------------------------------------
   7. The Moment
   -------------------------------------------------------------------------- */
.section-moment {
  background: linear-gradient(180deg, var(--c-space-deep) 0%, var(--c-space-mid) 100%);
  padding-top: clamp(4rem, 8vw, 7rem);
}

.moment-body {
  max-width: var(--container-narrow);
}
.moment-body p { margin-bottom: 1.5rem; font-size: 1.125rem; color: var(--c-cloud); line-height: 1.7; }
.moment-body .lead { font-size: clamp(1.5rem, 2vw + 0.75rem, 2rem); margin-bottom: 2.5rem; color: var(--c-white); }

.moment-list {
  list-style: none;
  margin: 2.5rem 0 3rem;
  border-left: 2px solid var(--c-sunrise-gold);
  padding-left: 1.75rem;
}
.moment-list li {
  font-family: var(--f-display);
  font-size: clamp(1.375rem, 1.5vw + 0.75rem, 1.875rem);
  font-weight: 300;
  font-style: italic;
  color: var(--c-bone);
  line-height: 1.4;
  margin-bottom: 0.6rem;
}
.moment-list li em { color: var(--c-sunrise-soft); font-style: italic; font-weight: 400; }

/* --------------------------------------------------------------------------
   8. Movement
   -------------------------------------------------------------------------- */
.section-movement {
  background: var(--c-space-mid);
}

.movement-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.movement-text p {
  font-size: 1.125rem;
  color: var(--c-cloud);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.movement-verbs {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 2.5rem;
  background: rgba(255, 195, 0, 0.04);
  border: 1px solid rgba(255, 195, 0, 0.18);
  border-radius: var(--radius-lg);
}
.movement-verbs li {
  font-family: var(--f-display);
  font-size: clamp(1.75rem, 2vw + 1rem, 2.5rem);
  font-weight: 400;
  font-style: italic;
  color: var(--c-sunrise-soft);
  line-height: 1.1;
  letter-spacing: -0.015em;
}

/* --------------------------------------------------------------------------
   9. Partner Proposition
   -------------------------------------------------------------------------- */
.section-partner {
  background: linear-gradient(180deg, var(--c-space-mid) 0%, var(--c-space-deep) 100%);
}

.partner-intro {
  max-width: 900px;
  margin-bottom: 4rem;
}
.partner-intro p {
  font-size: 1.125rem;
  color: var(--c-cloud);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.promise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.promise-card {
  background: linear-gradient(160deg, rgba(255, 195, 0, 0.04) 0%, rgba(0, 180, 216, 0.03) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2.25rem 1.75rem 2rem;
  border-radius: var(--radius-lg);
  transition: transform 400ms var(--t-ease), border-color 400ms var(--t-ease), background 400ms var(--t-ease);
}
.promise-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 195, 0, 0.35);
  background: linear-gradient(160deg, rgba(255, 195, 0, 0.08) 0%, rgba(0, 180, 216, 0.05) 100%);
}
.promise-num {
  font-family: var(--f-display);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-sunrise-gold);
  letter-spacing: 0.18em;
  margin-bottom: 1.5rem;
}
.promise-card h3 {
  font-family: var(--f-display);
  font-size: 2rem;
  font-weight: 400;
  font-style: italic;
  color: var(--c-white);
  margin-bottom: 0.4rem;
  line-height: 1;
  font-variation-settings: "opsz" 60;
}
.promise-card p { font-size: 0.9375rem; color: var(--c-mist); line-height: 1.55; }

/* --------------------------------------------------------------------------
   10. Evidence
   -------------------------------------------------------------------------- */
.section-evidence {
  background: var(--c-space-deep);
  position: relative;
}
.section-evidence::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(255, 195, 0, 0.4), transparent);
}

.evidence-intro {
  max-width: 900px;
  margin-bottom: 4rem;
}
.evidence-intro p {
  font-size: 1.125rem;
  color: var(--c-cloud);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}
.evidence-intro strong { color: var(--c-sunrise-soft); font-weight: 600; }

.number-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.num-tile {
  padding: 2.5rem 2rem;
  background: rgba(0, 29, 61, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition: border-color 300ms var(--t-ease), transform 300ms var(--t-ease);
}
.num-tile:hover {
  border-color: rgba(255, 195, 0, 0.3);
  transform: translateY(-3px);
}
.num {
  font-family: var(--f-display);
  font-size: clamp(2.5rem, 3.5vw + 1rem, 4.5rem);
  font-weight: 400;
  line-height: 1;
  background: linear-gradient(135deg, var(--c-sunrise-warm) 0%, var(--c-sunrise-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 1rem;
  letter-spacing: -0.025em;
}
.num-unit {
  font-size: 0.55em;
  vertical-align: top;
  margin-left: 0.05em;
  display: inline-block;
  transform: translateY(0.2em);
}
.num-icon {
  background: linear-gradient(135deg, var(--c-electric) 0%, var(--c-electric-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 0.65em;
}
.num-label {
  font-family: var(--f-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-white);
  margin-bottom: 0.75rem;
  letter-spacing: 0.005em;
}
.num-label em { font-style: italic; color: var(--c-sunrise-soft); }
.num-tile p { font-size: 1rem; color: var(--c-mist); line-height: 1.65; }

/* --------------------------------------------------------------------------
   11. How It Works
   -------------------------------------------------------------------------- */
.section-how {
  background: linear-gradient(180deg, var(--c-space-deep) 0%, var(--c-space-mid) 100%);
}

.layers {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: stretch;
  margin: 3rem 0;
}

.layer {
  text-align: center;
  padding: 2.5rem 1.75rem;
  background: rgba(0, 53, 102, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition: border-color 300ms var(--t-ease), background 300ms var(--t-ease);
}
.layer:hover {
  border-color: rgba(255, 195, 0, 0.35);
  background: rgba(0, 53, 102, 0.45);
}

.layer-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--c-stone);
  margin-bottom: 1.25rem;
}

.layer-brand {
  font-family: var(--f-sans);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-white);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.layer-tag {
  font-family: var(--f-display);
  font-size: 1rem;
  font-style: italic;
  color: var(--c-sunrise-gold);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.layer-desc { font-size: 0.9375rem; color: var(--c-mist); line-height: 1.6; }

.layer-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.5rem;
}
.layer-connector span {
  display: block;
  width: 32px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--c-sunrise-gold), transparent);
  position: relative;
}
.layer-connector span::after {
  content: '';
  position: absolute;
  right: -3px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--c-sunrise-gold);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--c-sunrise-gold);
}

.how-summary {
  text-align: center;
  font-family: var(--f-display);
  font-size: clamp(1.25rem, 1vw + 1rem, 1.5rem);
  color: var(--c-cloud);
  font-style: italic;
  max-width: 720px;
  margin: 3rem auto 0;
  line-height: 1.5;
  font-weight: 400;
}
.how-summary strong { color: var(--c-white); font-style: normal; font-weight: 600; }

/* --------------------------------------------------------------------------
   12. What Partners Help Power
   -------------------------------------------------------------------------- */
.section-power {
  background: var(--c-space-mid);
}

.power-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.power-card {
  padding: 2.25rem 1.75rem;
  background: rgba(0, 8, 20, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition: transform 320ms var(--t-ease), border-color 320ms var(--t-ease);
}
.power-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 180, 216, 0.4);
}

.power-icon {
  font-size: 1.875rem;
  color: var(--c-sunrise-gold);
  margin-bottom: 1.25rem;
  line-height: 1;
}
.power-card h3 {
  font-family: var(--f-display);
  font-size: 1.375rem;
  font-weight: 500;
  color: var(--c-white);
  margin-bottom: 0.6rem;
  letter-spacing: -0.005em;
  line-height: 1.25;
  font-variation-settings: "opsz" 36;
}
.power-card p { font-size: 0.9375rem; color: var(--c-mist); line-height: 1.6; }

/* --------------------------------------------------------------------------
   13. Why Partners Join
   -------------------------------------------------------------------------- */
.section-why {
  background: linear-gradient(180deg, var(--c-space-mid) 0%, var(--c-space-deep) 100%);
}

.reasons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem 3rem;
}

.reason {
  padding-left: 1.5rem;
  border-left: 2px solid rgba(255, 195, 0, 0.5);
}
.reason h3 {
  font-family: var(--f-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--c-white);
  margin-bottom: 0.85rem;
  line-height: 1.2;
  letter-spacing: -0.005em;
  font-variation-settings: "opsz" 36;
}
.reason p { font-size: 1rem; color: var(--c-cloud); line-height: 1.7; }

/* --------------------------------------------------------------------------
   14. Partnership Routes
   -------------------------------------------------------------------------- */
.section-routes {
  background: var(--c-space-deep);
}

.routes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.route-card {
  padding: 2.25rem 1.75rem 2rem;
  background: linear-gradient(160deg, rgba(255, 195, 0, 0.04) 0%, rgba(0, 8, 20, 0.4) 100%);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-lg);
  transition: transform 320ms var(--t-ease), border-color 320ms var(--t-ease), box-shadow 320ms var(--t-ease);
  position: relative;
}
.route-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 195, 0, 0.45);
  box-shadow: var(--shadow-card);
}
.route-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-sunrise-gold);
  padding: 0.35rem 0.8rem;
  border: 1px solid rgba(255, 195, 0, 0.35);
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.route-card h3 {
  font-family: var(--f-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--c-white);
  margin-bottom: 0.6rem;
  letter-spacing: -0.005em;
  line-height: 1.2;
  font-variation-settings: "opsz" 36;
}
.route-card p { font-size: 1rem; color: var(--c-mist); line-height: 1.65; }

.routes-cta {
  text-align: center;
  margin-top: 1rem;
}

/* --------------------------------------------------------------------------
   15. Safety
   -------------------------------------------------------------------------- */
.section-safety {
  background: linear-gradient(180deg, var(--c-space-deep) 0%, var(--c-space-mid) 50%, var(--c-space-deep) 100%);
}

.safety-body {
  max-width: var(--container-narrow);
  margin-bottom: 3rem;
}
.safety-body p { font-size: 1.125rem; color: var(--c-cloud); margin-bottom: 1.5rem; line-height: 1.7; }
.safety-body .lead { font-size: clamp(1.375rem, 1.5vw + 0.75rem, 1.875rem); color: var(--c-white); margin-bottom: 2.5rem; }
.safety-body strong { color: var(--c-sunrise-soft); font-weight: 600; }

.trust-points {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem 2rem;
  padding: 2.5rem;
  background: rgba(255, 195, 0, 0.04);
  border: 1px solid rgba(255, 195, 0, 0.2);
  border-radius: var(--radius-lg);
}
.trust-points li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 1rem;
  color: var(--c-bone);
  font-weight: 500;
}
.trust-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  background: var(--c-sunrise-gold);
  color: var(--c-space-deep);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   16. Media & Storytelling
   -------------------------------------------------------------------------- */
.section-media {
  background: var(--c-space-mid);
}

.media-statement {
  margin: 3rem 0;
}
.media-statement p { margin: 0; }
.media-statement .line {
  display: inline-block;
  font-family: var(--f-display);
  font-size: clamp(2rem, 4vw + 0.5rem, 4rem);
  font-weight: 400;
  font-style: italic;
  color: var(--c-white);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
  font-variation-settings: "opsz" 144;
}
.media-statement p:last-child .line {
  font-size: clamp(2.25rem, 4.5vw + 0.5rem, 4.5rem);
  font-weight: 500;
  background: linear-gradient(135deg, var(--c-sunrise-warm) 0%, var(--c-sunrise-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-top: 0.4rem;
}

.media-body {
  font-size: 1.125rem;
  color: var(--c-cloud);
  line-height: 1.7;
  max-width: 820px;
  margin-bottom: 3rem;
}

.media-assets {
  padding: 2.25rem 2.5rem;
  background: rgba(0, 8, 20, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  max-width: 720px;
}
.assets-label {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-sunrise-gold);
  font-weight: 500;
  margin-bottom: 1.25rem;
}
.media-assets ul { list-style: none; }
.media-assets li {
  padding: 0.7rem 0;
  color: var(--c-cloud);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 1rem;
}
.media-assets li:last-child { border-bottom: 0; }
.media-assets li::before {
  content: '— ';
  color: var(--c-sunrise-gold);
  font-weight: 700;
  margin-right: 0.4rem;
}

/* --------------------------------------------------------------------------
   17. Briefing / Form
   -------------------------------------------------------------------------- */
.section-briefing {
  background:
    radial-gradient(ellipse at top left, rgba(255, 195, 0, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(0, 180, 216, 0.08) 0%, transparent 50%),
    var(--c-space-deep);
  position: relative;
}

.briefing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: start;
}

.briefing-intro .section-headline { margin-bottom: 1.75rem; }
.briefing-intro .lead { margin-bottom: 1.25rem; color: var(--c-cloud); }
.briefing-intro p { color: var(--c-cloud); margin-bottom: 1.25rem; font-size: 1.0625rem; line-height: 1.65; }

.briefing-secondary { font-size: 0.9375rem !important; color: var(--c-mist) !important; }
.briefing-secondary a { color: var(--c-sunrise-gold); border-bottom: 1px dashed rgba(255, 195, 0, 0.4); padding-bottom: 1px; }
.briefing-secondary a:hover { border-bottom-color: var(--c-sunrise-gold); }

.briefing-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.25rem;
  padding: 2.5rem;
  background: rgba(0, 8, 20, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
}

.form-row { display: flex; flex-direction: column; gap: 0.45rem; }
.form-row-wide { grid-column: 1 / -1; }

.form-row label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.form-row input,
.form-row select,
.form-row textarea {
  font-family: var(--f-sans);
  font-size: 1rem;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  color: var(--c-white);
  transition: border-color 200ms var(--t-ease), background 200ms var(--t-ease), box-shadow 200ms var(--t-ease);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--c-sunrise-gold);
  background: rgba(255, 195, 0, 0.04);
  box-shadow: 0 0 0 3px rgba(255, 195, 0, 0.15);
}
.form-row select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'><path fill='%23FFC300' d='M5.5 7l4.5 5 4.5-5z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 16px;
  padding-right: 2.5rem;
}
.form-row textarea { resize: vertical; min-height: 90px; line-height: 1.5; }

.form-consent { margin-top: 0.25rem; }
.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  cursor: pointer;
  font-size: 0.9375rem !important;
  color: var(--c-cloud);
  text-transform: none !important;
  letter-spacing: 0 !important;
  font-weight: 400 !important;
  line-height: 1.55;
}
.checkbox-row input {
  width: 18px; height: 18px;
  margin: 0;
  margin-top: 2px;
  accent-color: var(--c-sunrise-gold);
  flex-shrink: 0;
}

.form-row > .btn-block {
  margin-top: 0.5rem;
}
.briefing-form > button[type="submit"] {
  grid-column: 1 / -1;
  margin-top: 0.5rem;
}

.form-note {
  grid-column: 1 / -1;
  font-size: 0.875rem;
  color: var(--c-mist);
  text-align: center;
  margin-top: 0.5rem;
  line-height: 1.5;
}

.form-success {
  grid-column: 1 / -1;
  text-align: center;
  padding: 1.5rem;
  background: rgba(255, 195, 0, 0.08);
  border: 1px solid var(--c-sunrise-gold);
  border-radius: 10px;
  margin-top: 1rem;
}
.form-success h3 {
  font-family: var(--f-display);
  font-size: 1.5rem;
  color: var(--c-sunrise-soft);
  margin-bottom: 0.5rem;
  font-style: italic;
  font-weight: 400;
}
.form-success p { color: var(--c-cloud); font-size: 1rem; }

/* --------------------------------------------------------------------------
   18. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--c-night);
  padding: 5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 3rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand .brand-mark {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-white);
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.footer-brand p { color: var(--c-mist); font-size: 0.9375rem; line-height: 1.6; max-width: 380px; }

.footer-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2.5rem;
}
.footer-nav h4 {
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-sunrise-gold);
  margin-bottom: 1.25rem;
  font-weight: 600;
}
.footer-nav a {
  display: block;
  padding: 0.45rem 0;
  font-size: 0.9375rem;
  color: var(--c-mist);
}
.footer-nav a:hover { color: var(--c-sunrise-gold); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
}
.footer-bottom p { font-size: 0.8125rem; color: var(--c-stone); max-width: 720px; line-height: 1.55; }
.footer-copy { white-space: nowrap; }

/* --------------------------------------------------------------------------
   ENHANCEMENTS — added during sponsor-readiness pass
   New sections: What children will do · Built from proven foundations ·
                 Built to reach the world · What partner support enables ·
                 Founding partner window
   -------------------------------------------------------------------------- */

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

/* What children will do — the warm, simple, human strip */
.section-children {
  background: linear-gradient(180deg, var(--c-space-deep) 0%, #0d1e3b 100%);
  text-align: center;
  position: relative;
  padding-top: clamp(4rem, 8vw, 7rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
}
.section-children::before,
.section-children::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(255, 195, 0, 0.35), transparent);
}
.section-children::before { top: 0; }
.section-children::after  { bottom: 0; }

.section-children .section-eyebrow {
  text-align: center;
}

.children-actions {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.2rem 0;
  margin: 2rem auto 3rem;
  max-width: 1100px;
}
.children-actions li {
  font-family: var(--f-display);
  font-size: clamp(1.875rem, 3vw + 0.75rem, 3.25rem);
  font-weight: 400;
  font-style: italic;
  color: var(--c-sunrise-soft);
  letter-spacing: -0.015em;
  line-height: 1.05;
  padding: 0 1.5rem;
  position: relative;
  font-variation-settings: "opsz" 144;
}
.children-actions li:not(:last-child)::after {
  content: '·';
  position: absolute;
  right: -0.45rem;
  top: 50%;
  transform: translateY(-58%);
  color: var(--c-sunrise-gold);
  opacity: 0.55;
  font-style: normal;
  font-size: 1.5em;
  line-height: 1;
}

.children-supporting {
  font-family: var(--f-sans);
  font-size: 1.125rem;
  color: var(--c-cloud);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Built from proven foundations — reuses .number-tiles + .num-tile */
.section-foundations {
  background: var(--c-space-mid);
  position: relative;
}

.foundations-intro {
  max-width: 900px;
  margin-bottom: 4rem;
}
.foundations-intro p {
  font-size: 1.125rem;
  color: var(--c-cloud);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}
.foundations-intro strong {
  color: var(--c-sunrise-soft);
  font-weight: 600;
}

/* Built to reach the world — four cards (Reach / Delivery / Trust / Flexibility) */
.section-reach {
  background: linear-gradient(180deg, var(--c-space-mid) 0%, var(--c-space-deep) 100%);
}

.reach-intro {
  max-width: 900px;
  margin-bottom: 3.5rem;
}
.reach-intro p {
  font-size: 1.125rem;
  color: var(--c-cloud);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}
.reach-intro strong {
  color: var(--c-sunrise-soft);
  font-weight: 600;
}

.reach-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.reach-card {
  padding: 2.25rem 1.75rem 2rem;
  background: linear-gradient(160deg, rgba(255, 195, 0, 0.04) 0%, rgba(0, 8, 20, 0.4) 100%);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-lg);
  transition: transform 320ms var(--t-ease), border-color 320ms var(--t-ease);
}
.reach-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 180, 216, 0.45);
}
.reach-label {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-electric-soft);
  padding: 0.35rem 0.8rem;
  border: 1px solid rgba(78, 205, 196, 0.4);
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.reach-card h3 {
  font-family: var(--f-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--c-white);
  margin-bottom: 0.7rem;
  letter-spacing: -0.005em;
  line-height: 1.2;
  font-variation-settings: "opsz" 36;
}
.reach-card p {
  font-size: 1rem;
  color: var(--c-mist);
  line-height: 1.65;
}

/* What partner support enables — eight enabling cards */
.section-enables {
  background: var(--c-space-deep);
}

.enables-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.enables-card {
  padding: 2rem 1.75rem;
  background: rgba(0, 29, 61, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition: transform 280ms var(--t-ease), border-color 280ms var(--t-ease);
}
.enables-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 195, 0, 0.35);
}
.enables-icon {
  font-size: 1.75rem;
  color: var(--c-sunrise-gold);
  margin-bottom: 1.1rem;
  line-height: 1;
}
.enables-card h3 {
  font-family: var(--f-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--c-white);
  margin-bottom: 0.55rem;
  letter-spacing: -0.005em;
  line-height: 1.25;
  font-variation-settings: "opsz" 36;
}
.enables-card p {
  font-size: 1rem;
  color: var(--c-mist);
  line-height: 1.65;
}

.enables-summary {
  font-family: var(--f-display);
  font-size: clamp(1.25rem, 1.2vw + 1rem, 1.625rem);
  color: var(--c-cloud);
  font-style: italic;
  text-align: center;
  max-width: 820px;
  margin: 1rem auto 0;
  line-height: 1.5;
  font-weight: 400;
  font-variation-settings: "opsz" 60;
}
.enables-summary strong {
  color: var(--c-white);
  font-style: normal;
  font-weight: 600;
}

/* "How the pieces fit together" — definitional lead-in */
.how-preface {
  max-width: 820px;
  margin: 0 auto 3.5rem;
  text-align: center;
}
.how-preface-lead {
  font-family: var(--f-display);
  font-size: clamp(1.25rem, 1.1vw + 0.875rem, 1.625rem);
  color: var(--c-cloud);
  font-style: italic;
  line-height: 1.5;
  margin-bottom: 1.5rem;
  font-variation-settings: "opsz" 60;
  letter-spacing: -0.005em;
}
.how-preface-trust {
  display: inline-block;
  font-family: var(--f-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--c-sunrise-soft);
  padding: 0.7rem 1.25rem;
  background: rgba(255, 195, 0, 0.06);
  border: 1px solid rgba(255, 195, 0, 0.28);
  border-radius: 999px;
  line-height: 1.4;
  max-width: 640px;
}

/* Founding partner window — urgent, prestigious CTA banner */
.section-founding {
  background:
    radial-gradient(ellipse at center, rgba(255, 195, 0, 0.10) 0%, transparent 60%),
    var(--c-space-mid);
}

.founding-card {
  position: relative;
  padding: clamp(2.5rem, 5vw, 4.5rem) clamp(1.75rem, 5vw, 4rem);
  background:
    radial-gradient(ellipse at top left, rgba(255, 195, 0, 0.10) 0%, transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(0, 180, 216, 0.08) 0%, transparent 55%),
    rgba(0, 8, 20, 0.55);
  border: 1px solid rgba(255, 195, 0, 0.45);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow:
    0 30px 90px -30px rgba(255, 195, 0, 0.35),
    0 0 0 1px rgba(255, 195, 0, 0.15);
  overflow: hidden;
}
.founding-card::before {
  content: '';
  position: absolute;
  top: 0; left: -20%; right: -20%;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--c-sunrise-gold), transparent);
  opacity: 0.85;
}

.founding-status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 1rem;
  background: rgba(255, 195, 0, 0.10);
  border: 1px solid rgba(255, 195, 0, 0.4);
  border-radius: 999px;
  margin-bottom: 1.75rem;
}
.founding-pulse {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-sunrise-gold);
  box-shadow: 0 0 0 0 rgba(255, 195, 0, 0.7);
  animation: foundingPulse 2.2s ease-out infinite;
}
.founding-status-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--c-sunrise-soft);
  font-weight: 600;
}

.founding-headline {
  font-family: var(--f-display);
  font-size: clamp(1.875rem, 3.5vw + 0.5rem, 3.25rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--c-white);
  margin-bottom: 1.75rem;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  font-variation-settings: "opsz" 144;
}

.founding-body {
  font-size: 1.0625rem;
  color: var(--c-cloud);
  line-height: 1.7;
  max-width: 660px;
  margin: 0 auto 1.25rem;
}
.founding-body strong {
  color: var(--c-sunrise-soft);
  font-weight: 600;
}

.founding-cta {
  margin-top: 2rem;
}

/* --------------------------------------------------------------------------
   19. Reveal animations
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 900ms var(--t-ease), transform 900ms var(--t-ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .earth-aura, .stars, .scroll-indicator span { animation: none !important; }
  html { scroll-behavior: auto; }
}

/* --------------------------------------------------------------------------
   20. Keyframes
   -------------------------------------------------------------------------- */
@keyframes earthRotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes auraPulse {
  0%   { opacity: 0.6; transform: scale(0.95); }
  100% { opacity: 1.0; transform: scale(1.05); }
}

@keyframes ptPulse {
  0%, 100% { opacity: 0.45; r: 3; }
  50%      { opacity: 1; r: 5; }
}

@keyframes arcDraw {
  0%   { stroke-dashoffset: 400; opacity: 0; }
  20%  { opacity: 0.8; }
  60%  { stroke-dashoffset: 0; opacity: 0.8; }
  100% { stroke-dashoffset: -400; opacity: 0; }
}

@keyframes starsTwinkle {
  from { opacity: 0.6; }
  to   { opacity: 0.95; }
}

@keyframes scrollDot {
  0%   { transform: translateY(0); opacity: 0; }
  30%  { opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

@keyframes foundingPulse {
  0%   { box-shadow: 0 0 0 0 rgba(255, 195, 0, 0.7); }
  70%  { box-shadow: 0 0 0 14px rgba(255, 195, 0, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 195, 0, 0); }
}

/* --------------------------------------------------------------------------
   21. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 980px) {
  .primary-nav { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }

  .movement-grid { grid-template-columns: 1fr; }
  .movement-verbs { padding: 2rem 1.75rem; }

  .layers {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .layer-connector { display: none; }

  .briefing-grid { grid-template-columns: 1fr; }
  .briefing-form { padding: 1.75rem; grid-template-columns: 1fr; }

  .footer-top { grid-template-columns: 1fr; gap: 2.5rem; }

  /* Earth recedes at narrow viewports (≈ 200% zoom on a 1440 desktop) */
  .hero-content { padding-left: 0; max-width: 100%; }
  .earth-container { right: -18%; width: clamp(380px, 70vw, 640px); opacity: 0.65; }
  .hero-vignette {
    background:
      linear-gradient(to right, rgba(0, 8, 20, 0.92) 0%, rgba(0, 8, 20, 0.78) 50%, rgba(0, 8, 20, 0.4) 90%),
      linear-gradient(to bottom, transparent 50%, rgba(0, 8, 20, 0.88) 100%);
  }
}

@media (max-width: 640px) {
  .hero { padding: 8rem 0 5rem; min-height: auto; }

  .earth-container { right: -30%; opacity: 0.5; }
  .sunrise-glow { opacity: 0.7; }

  .hero-ctas .btn { width: 100%; }

  .trust-points { padding: 1.75rem; }
  .media-assets { padding: 1.75rem; }

  .children-actions { gap: 0.6rem; flex-direction: column; }
  .children-actions li { padding: 0; }
  .children-actions li:not(:last-child)::after { display: none; }

  .founding-card { padding: 2rem 1.5rem; }

  .footer-bottom { flex-direction: column; align-items: flex-start; text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  .founding-pulse { animation: none !important; }
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--c-sunrise-gold);
  color: var(--c-space-deep);
  padding: 1rem 1.5rem;
  z-index: 200;
  font-weight: 600;
}
.skip-link:focus { top: 0; }

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--c-sunrise-gold);
  outline-offset: 3px;
  border-radius: 4px;
}