/* ================================================
   EPIOS BRAIN HEALTH — Style Sheet
   Palette: Deep navy + warm white + electric teal
   Display: Instrument Serif | Body: Switzer
   ================================================ */

/* ─── DESIGN TOKENS ─── */
:root {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-hero: clamp(2.8rem,   1rem    + 6vw,    7rem);

  /* Spacing */
  --space-1: 0.25rem; --space-2: 0.5rem;  --space-3: 0.75rem;
  --space-4: 1rem;    --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;    --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;   --space-20: 5rem;   --space-24: 6rem;
  --space-32: 8rem;

  /* Fonts */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body:    'Switzer', 'Helvetica Neue', sans-serif;

  /* Radii */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);

  /* Transitions */
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 680px;
  --content-default: 1000px;
  --content-wide: 1200px;
}

/* LIGHT THEME */
:root, [data-theme="light"] {
  --color-bg:        #f8f7f4;
  --color-surface:   #ffffff;
  --color-surface-2: #f4f3f0;
  --color-border:    #e2e0db;
  --color-divider:   #eae8e3;

  --color-text:      #1a1714;
  --color-text-muted: #6b6865;
  --color-text-faint: #b0aeab;
  --color-text-inverse: #f9f8f5;

  /* Deep navy as "dark" surfaces in hero/CTA */
  --color-navy:      #0d1b2a;
  --color-navy-mid:  #132236;
  --color-navy-light:#1e3350;

  /* Electric teal accent */
  --color-primary:        #0e8f96;
  --color-primary-hover:  #0a7279;
  --color-primary-active: #085d63;
  --color-primary-highlight: #d0eced;

  /* Warm amber (secondary accent, sparingly) */
  --color-amber: #c97b2e;
}

/* DARK THEME */
[data-theme="dark"] {
  --color-bg:        #0f1520;
  --color-surface:   #141c2a;
  --color-surface-2: #111827;
  --color-border:    #283347;
  --color-divider:   #1f2d40;

  --color-text:      #e2e4e8;
  --color-text-muted: #7c8898;
  --color-text-faint: #46566a;
  --color-text-inverse: #0f1520;

  --color-navy:      #07101a;
  --color-navy-mid:  #0a1525;
  --color-navy-light:#12243a;

  --color-primary:        #3eb8bf;
  --color-primary-hover:  #54c8ce;
  --color-primary-active: #69d3d8;
  --color-primary-highlight: #14323a;

  --color-amber: #e8a055;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
}

/* System preference fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0f1520; --color-surface: #141c2a; --color-surface-2: #1a2235;
    --color-border: #283347; --color-divider: #1f2d40;
    --color-text: #e2e4e8; --color-text-muted: #7c8898; --color-text-faint: #46566a;
    --color-text-inverse: #0f1520; --color-navy: #07101a; --color-navy-mid: #0a1525;
    --color-navy-light: #12243a; --color-primary: #3eb8bf; --color-primary-hover: #54c8ce;
    --color-primary-active: #69d3d8; --color-primary-highlight: #14323a;
    --color-amber: #e8a055;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3); --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  }
}

/* ─── RESET & BASE ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: none; text-size-adjust: none;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility; scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  min-height: 100dvh; line-height: 1.65;
  font-family: var(--font-body); font-size: var(--text-base);
  color: var(--color-text); background-color: var(--color-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

img, svg { display: block; max-width: 100%; }
ul[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3 { text-wrap: balance; line-height: 1.1; }
p, li { text-wrap: pretty; }

a, button, [role="button"], input, textarea, select {
  transition: color var(--transition), background var(--transition),
              border-color var(--transition), box-shadow var(--transition), opacity var(--transition);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px; border-radius: var(--radius-sm);
}

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0; }

/* ─── LAYOUT HELPERS ─── */
.container       { max-width: var(--content-wide);   margin: 0 auto; padding: 0 var(--space-6); }
.container-narrow { max-width: var(--content-narrow); margin: 0 auto; padding: 0 var(--space-6); }

/* ─── TYPOGRAPHY ─── */
.eyebrow {
  display: inline-block; font-family: var(--font-body); font-size: var(--text-xs);
  font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--color-primary); margin-bottom: var(--space-3);
}
.eyebrow-light { color: rgba(255,255,255,0.75); }

.section-title {
  font-family: var(--font-display); font-size: var(--text-xl);
  color: var(--color-text); font-weight: 400; margin-bottom: var(--space-4);
}
.section-title em { font-style: italic; color: var(--color-primary); }

.section-sub {
  font-size: var(--text-base); color: var(--color-text-muted);
  max-width: 56ch; line-height: 1.7;
}

/* ─── HEADER ─── */
.header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition), background var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex; align-items: center; gap: var(--space-6);
  max-width: var(--content-wide); margin: 0 auto;
  padding: var(--space-4) var(--space-6);
}

.logo {
  display: flex; align-items: center; gap: var(--space-3);
  text-decoration: none; color: var(--color-text); flex-shrink: 0;
}
.logo-text {
  font-family: var(--font-display); font-size: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
  font-weight: 400; letter-spacing: -0.01em;
}
.logo-text em { font-style: italic; color: var(--color-primary); }
.logo svg { color: var(--color-primary); flex-shrink: 0; }

.nav { display: flex; align-items: center; gap: var(--space-8); margin-left: auto; }
.nav-link {
  font-size: var(--text-sm); font-weight: 500; color: var(--color-text-muted);
  text-decoration: none; letter-spacing: 0.01em;
}
.nav-link:hover { color: var(--color-text); }

.header-actions { display: flex; align-items: center; gap: var(--space-3); }

.btn-waitlist {
  background: var(--color-primary); color: #fff; border: none;
  padding: var(--space-2) var(--space-5); border-radius: var(--radius-full);
  font-size: var(--text-sm); font-weight: 600; cursor: pointer; letter-spacing: 0.01em;
  white-space: nowrap;
}
.btn-waitlist:hover { background: var(--color-primary-hover); }

.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: var(--radius-full);
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  color: var(--color-text-muted); cursor: pointer;
}
.theme-toggle:hover { color: var(--color-text); }

.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: var(--space-2); cursor: pointer; background: none; border: none; color: var(--color-text); }
.menu-toggle span { display: block; width: 22px; height: 2px; background: currentColor; border-radius: 2px; transition: var(--transition); }

.mobile-nav {
  display: none; flex-direction: column; gap: var(--space-2);
  padding: var(--space-4) var(--space-6) var(--space-6);
  border-top: 1px solid var(--color-divider);
  background: var(--color-bg);
}
.mobile-nav.open { display: flex; }
.mobile-nav-link {
  font-size: var(--text-base); font-weight: 500; color: var(--color-text-muted);
  text-decoration: none; padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}
.mobile-nav-link:hover { color: var(--color-text); }
.mobile-btn { margin-top: var(--space-4); text-align: center; width: 100%; padding: var(--space-3); }

/* ─── HERO ─── */
.hero {
  position: relative; min-height: 92vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  overflow: hidden; background: var(--color-navy);
}

.hero-bg {
  position: absolute; inset: 0; z-index: 0;
}

/* Animated neural canvas (JS-driven) */
.neural-canvas {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%,
    rgba(14,143,150,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 20% 70%,
    rgba(201,123,46,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 80% 20%,
    rgba(14,143,150,0.1) 0%, transparent 50%);
}

.hero-gradient {
  position: absolute; inset: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(13,27,42,0.3) 60%,
    var(--color-navy) 100%
  );
}

/* SVG Neural grid overlay */
.hero-bg::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(14,143,150,0.25) 1px, transparent 0);
  background-size: 48px 48px;
  opacity: 0.4;
}

.hero-content {
  position: relative; z-index: 2;
  text-align: center; max-width: 820px;
  padding: var(--space-16) var(--space-6);
}

.hero-badge {
  display: inline-block; font-size: var(--text-xs); font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-primary); background: rgba(14,143,150,0.15);
  border: 1px solid rgba(14,143,150,0.35);
  padding: var(--space-1) var(--space-4); border-radius: var(--radius-full);
  margin-bottom: var(--space-8);
}

.hero-heading {
  font-family: var(--font-display); font-size: var(--text-hero);
  font-weight: 400; color: #ffffff; line-height: 1.05;
  letter-spacing: -0.02em; margin-bottom: var(--space-6);
}
.hero-heading em { font-style: italic; color: var(--color-primary); }

.hero-sub {
  font-size: var(--text-base); color: rgba(255,255,255,0.72);
  line-height: 1.75; max-width: 56ch; margin: 0 auto var(--space-10);
}

.hero-cta-group {
  display: flex; align-items: center; justify-content: center;
  gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-6);
}

.btn-primary {
  background: var(--color-primary); color: #fff;
  padding: var(--space-4) var(--space-8); border-radius: var(--radius-full);
  font-size: var(--text-sm); font-weight: 600; cursor: pointer; border: none;
  letter-spacing: 0.02em; box-shadow: 0 4px 24px rgba(14,143,150,0.4);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 6px 32px rgba(14,143,150,0.5);
  transform: translateY(-1px);
}

.btn-ghost {
  color: rgba(255,255,255,0.8); text-decoration: none;
  font-size: var(--text-sm); font-weight: 500;
  padding: var(--space-4) var(--space-6); border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-ghost:hover { color: #fff; border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.06); }

.hero-note {
  font-size: var(--text-xs); color: rgba(255,255,255,0.4); letter-spacing: 0.02em;
}

.hero-scroll-indicator {
  position: absolute; bottom: var(--space-10); left: 50%; transform: translateX(-50%); z-index: 2;
}
.scroll-line {
  width: 1px; height: 60px; background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  margin: 0 auto;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(0.7); }
}

/* ─── ABOUT STRIP ─── */
.about-strip {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-10) 0;
}

.about-strip-inner {
  display: grid; grid-template-columns: auto 1px 1fr; gap: var(--space-10);
  align-items: center;
}

.about-strip-stat { text-align: center; }
.stat-number {
  font-family: var(--font-display); font-size: var(--text-2xl);
  color: var(--color-primary); font-weight: 400; display: block; line-height: 1;
}
.stat-label {
  font-size: var(--text-xs); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--color-text-muted); margin-top: var(--space-2);
  display: block;
}

.strip-divider { height: 48px; width: 1px; background: var(--color-divider); }

.about-strip-text p {
  font-size: var(--text-base); color: var(--color-text-muted);
  line-height: 1.75; max-width: 60ch;
}

/* ─── PHYSICIAN SECTION ─── */
.physician-section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
  background: var(--color-bg);
}

.physician-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: clamp(var(--space-12), 6vw, var(--space-20));
  align-items: center;
}

.physician-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.physician-orb {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 48px rgba(14,143,150,0.2), var(--shadow-lg);
  position: relative;
}

.physician-orb::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(14,143,150,0.2);
}

.physician-initials {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-style: italic;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}

.physician-credential {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-align: center;
}

.physician-bio {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-8);
  max-width: 60ch;
}

.physician-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  border: 1px solid rgba(14,143,150,0.25);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

@media (max-width: 900px) {
  .physician-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .physician-visual { margin: 0 auto; }
  .physician-bio { margin: 0 auto var(--space-8); }
  .physician-tags { justify-content: center; }
}

/* ─── PILLARS ─── */
.pillars {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
}

.section-header {
  text-align: center; margin-bottom: var(--space-16);
}
.section-header .section-sub { margin: 0 auto; }

.pillars-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6);
}

.pillar-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: var(--space-10) var(--space-8);
  position: relative; overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.pillar-card:hover {
  box-shadow: var(--shadow-lg); transform: translateY(-4px);
  border-color: var(--color-primary);
}

/* Top accent line per card */
.pillar-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  background: linear-gradient(90deg, var(--color-primary), transparent);
}
.pillar-2::before { background: linear-gradient(90deg, var(--color-primary), var(--color-amber), transparent); }
.pillar-3::before { background: linear-gradient(90deg, var(--color-amber), var(--color-primary), transparent); }

.pillar-icon {
  width: 52px; height: 52px; border-radius: var(--radius-lg);
  background: var(--color-primary-highlight); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-6);
}

.pillar-number {
  font-family: var(--font-display); font-size: var(--text-xs);
  color: var(--color-text-faint); letter-spacing: 0.1em;
  margin-bottom: var(--space-2); font-style: italic;
}

.pillar-title {
  font-family: var(--font-display); font-size: var(--text-lg);
  font-weight: 400; color: var(--color-text);
  margin-bottom: var(--space-4); line-height: 1.2;
}

.pillar-body {
  font-size: var(--text-base); color: var(--color-text-muted);
  line-height: 1.7; margin-bottom: var(--space-6);
}

.pillar-list { list-style: none; }
.pillar-list li {
  font-size: var(--text-sm); color: var(--color-text-muted);
  padding: var(--space-2) 0; border-top: 1px solid var(--color-divider);
  display: flex; align-items: center; gap: var(--space-2);
}
.pillar-list li::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%;
  background: var(--color-primary); flex-shrink: 0;
}

/* ─── PROGRAM / WHAT WE OFFER ─── */
.program-section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.program-intro {
  text-align: center;
  margin-bottom: var(--space-12);
}
.program-intro .section-sub { margin: 0 auto; }

.program-body {
  max-width: 72ch;
  margin: 0 auto var(--space-16);
  padding: var(--space-8) var(--space-10);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
}
.program-text p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
}
.program-text p + p { margin-top: var(--space-4); }

/* Diagnostics 2x2 grid */
.diagnostics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.diag-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.diag-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--color-primary);
}

.diag-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.diag-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.2;
}

.diag-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  flex: 1;
}

/* Intervention strip */
.intervention-strip {
  background: var(--color-navy);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-10);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-10);
  align-items: center;
}

.intervention-label p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  line-height: 1.65;
  margin-top: var(--space-2);
}

.intervention-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3) var(--space-6);
}

.intervention-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.85);
  font-weight: 500;
}

.intervention-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
  box-shadow: 0 0 8px rgba(14,143,150,0.6);
}

@media (max-width: 900px) {
  .diagnostics-grid { grid-template-columns: 1fr; }
  .intervention-strip {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .intervention-items { grid-template-columns: 1fr; }
  .program-body { padding: var(--space-6); }
}

/* ─── EPIOS MEANING ─── */
.epios-meaning {
  padding: clamp(var(--space-16), 8vw, var(--space-24)) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.meaning-inner {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-10);
  align-items: flex-start;
}

.meaning-symbol {
  color: var(--color-primary);
  margin-top: var(--space-2);
  flex-shrink: 0;
}

.meaning-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  line-height: 1.15;
}
.meaning-heading em {
  font-style: italic;
  color: var(--color-primary);
}

.meaning-text p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 64ch;
}
.meaning-text p + p {
  margin-top: var(--space-4);
}
.meaning-text strong {
  color: var(--color-text);
  font-weight: 600;
}
.meaning-text em {
  font-style: italic;
  color: var(--color-primary);
}

@media (max-width: 600px) {
  .meaning-inner {
    grid-template-columns: 1fr;
  }
  .meaning-symbol { display: none; }
}

/* ─── QUOTE SECTION ─── */
.quote-section {
  padding: clamp(var(--space-16), 6vw, var(--space-24)) 0;
  background: var(--color-navy);
}

.pull-quote {
  text-align: center;
}
.pull-quote p {
  font-family: var(--font-display); font-size: clamp(1.3rem, 1rem + 1.5vw, 2.2rem);
  font-style: italic; font-weight: 400; color: rgba(255,255,255,0.9);
  line-height: 1.45; max-width: 56ch; margin: 0 auto var(--space-6);
}
.pull-quote cite {
  font-family: var(--font-body); font-size: var(--text-xs); font-style: normal;
  font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--color-primary);
}

/* ─── WHAT TO EXPECT ─── */
.expect-section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
}

.expect-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-12), 6vw, var(--space-20));
  align-items: center;
}

.expect-text .section-title { margin-bottom: var(--space-5); }
.expect-text > p { font-size: var(--text-base); color: var(--color-text-muted); line-height: 1.75; margin-bottom: var(--space-8); }

.expect-list { list-style: none; display: flex; flex-direction: column; gap: var(--space-4); }
.expect-list li {
  display: flex; align-items: flex-start; gap: var(--space-3);
  font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.5;
}
.expect-icon {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  margin-top: 1px;
}

/* Brain Orb Visual */
.expect-visual { display: flex; align-items: center; justify-content: center; }

.brain-orb {
  position: relative; width: 280px; height: 280px;
  display: flex; align-items: center; justify-content: center;
}

.orb-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid var(--color-primary);
  animation: orbPulse 4s ease-in-out infinite;
}
.orb-ring-1 { width: 280px; height: 280px; opacity: 0.1; animation-delay: 0s; }
.orb-ring-2 { width: 220px; height: 220px; opacity: 0.18; animation-delay: 0.8s; }
.orb-ring-3 { width: 160px; height: 160px; opacity: 0.28; animation-delay: 1.6s; }

.orb-core {
  position: relative; z-index: 2; width: 100px; height: 100px;
  background: var(--color-primary-highlight);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
}

@keyframes orbPulse {
  0%, 100% { transform: scale(1); opacity: 0.12; }
  50% { transform: scale(1.04); opacity: 0.22; }
}
.orb-ring-2 { animation-name: orbPulse2; }
@keyframes orbPulse2 {
  0%, 100% { transform: scale(1); opacity: 0.18; }
  50% { transform: scale(1.05); opacity: 0.3; }
}

/* ─── WAITLIST ─── */
.waitlist-section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
  background: var(--color-navy);
}

.waitlist-section .eyebrow { color: rgba(255,255,255,0.6); }

.waitlist-title {
  font-family: var(--font-display); font-size: var(--text-2xl);
  font-weight: 400; color: #ffffff; line-height: 1.1;
  margin-bottom: var(--space-5);
}

.waitlist-sub {
  font-size: var(--text-base); color: rgba(255,255,255,0.65);
  line-height: 1.75; margin-bottom: var(--space-10);
}

/* Form */
.waitlist-form {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl); padding: var(--space-10);
  display: flex; flex-direction: column; gap: var(--space-5);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }

.form-group { display: flex; flex-direction: column; gap: var(--space-2); }

.form-group label {
  font-size: var(--text-sm); font-weight: 500; color: rgba(255,255,255,0.75);
  letter-spacing: 0.01em;
}

.label-optional { color: rgba(255,255,255,0.4); font-weight: 400; }

.form-group input,
.form-group select {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md); padding: var(--space-3) var(--space-4);
  font-size: var(--text-base); color: rgba(255,255,255,0.9);
  width: 100%; appearance: none;
}
.form-group input::placeholder { color: rgba(255,255,255,0.3); }
.form-group select { cursor: pointer; }
.form-group select option { background: #0d1b2a; color: #fff; }

.form-group input:focus,
.form-group select:focus {
  outline: 2px solid var(--color-primary); outline-offset: 2px;
  border-color: var(--color-primary);
  background: rgba(14,143,150,0.08);
}

.form-group input.error { border-color: #e05577; }

.btn-submit {
  background: var(--color-primary); color: #fff; border: none; width: 100%;
  padding: var(--space-4) var(--space-8); border-radius: var(--radius-md);
  font-size: var(--text-base); font-weight: 600; cursor: pointer;
  letter-spacing: 0.01em; box-shadow: 0 4px 20px rgba(14,143,150,0.4);
  margin-top: var(--space-2);
}
.btn-submit:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 6px 28px rgba(14,143,150,0.55);
  transform: translateY(-1px);
}
.btn-submit:active { transform: translateY(0); }

/* ─── WAITLIST FORM ─── */
.waitlist-form {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.01em;
}

.req { color: var(--color-primary); }
.label-optional { color: rgba(255,255,255,0.38); font-weight: 400; }

.form-group input,
.form-group select {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: rgba(255,255,255,0.95);
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}

.form-group input::placeholder { color: rgba(255,255,255,0.28); }

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(255,255,255,0.5)' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

.form-group select option { background: #0d1b2a; color: #fff; }

.form-group input:focus,
.form-group select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-color: var(--color-primary);
  background: rgba(14,143,150,0.1);
}

.form-group input.error,
.form-group select.error {
  border-color: #e05577;
  background: rgba(224,85,119,0.08);
}

.btn-submit {
  background: var(--color-primary);
  color: #fff;
  border: none;
  width: 100%;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.01em;
  box-shadow: 0 4px 20px rgba(14,143,150,0.4);
  margin-top: var(--space-2);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}
.btn-submit:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 6px 28px rgba(14,143,150,0.55);
  transform: translateY(-1px);
}
.btn-submit:active { transform: translateY(0); }
.btn-submit:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }

.form-disclaimer {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
  text-align: center;
  margin-top: var(--space-1);
  line-height: 1.5;
}

/* Success state */
.waitlist-success {
  text-align: center;
  padding: var(--space-12) var(--space-8);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(14,143,150,0.3);
  border-radius: var(--radius-xl);
}
.waitlist-success[hidden] { display: none; }

.success-icon {
  color: var(--color-primary);
  margin: 0 auto var(--space-5);
  width: 64px; height: 64px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(14,143,150,0.15);
  border-radius: 50%;
}
.waitlist-success h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: #fff;
  margin-bottom: var(--space-3);
}
.waitlist-success p {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .waitlist-form { padding: var(--space-6); }
}





/* ─── FOOTER ─── */
.footer {
  background: var(--color-surface); border-top: 1px solid var(--color-divider);
  padding: var(--space-12) 0 var(--space-8);
}

.footer-inner {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: var(--space-8); margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.footer-brand { max-width: 300px; }
.footer-tagline {
  font-size: var(--text-sm); color: var(--color-text-muted);
  margin-top: var(--space-3); line-height: 1.65;
}

.footer-nav { display: flex; gap: var(--space-8); align-items: center; flex-wrap: wrap; }
.footer-nav a {
  font-size: var(--text-sm); color: var(--color-text-muted); text-decoration: none; font-weight: 500;
}
.footer-nav a:hover { color: var(--color-text); }

.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: var(--space-6); border-top: 1px solid var(--color-divider);
  flex-wrap: wrap; gap: var(--space-4);
}
.footer-copy { font-size: var(--text-xs); color: var(--color-text-faint); }
.pplx-credit {
  font-size: var(--text-xs); color: var(--color-text-faint);
  text-decoration: none;
}
.pplx-credit:hover { color: var(--color-primary); }

/* ─── SCROLL ANIMATIONS ─── */
.fade-up {
  opacity: 1;
  transform: none;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .nav, .header-actions .btn-waitlist { display: none; }
  .menu-toggle { display: flex; margin-left: auto; }
  .header-actions { gap: var(--space-2); }

  .pillars-grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .expect-grid { grid-template-columns: 1fr; }
  .expect-visual { display: none; }

  .about-strip-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .strip-divider { display: none; }
}

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .hero-heading { font-size: clamp(2.2rem, 1rem + 7vw, 4rem); }
  .waitlist-form { padding: var(--space-6); }
  .brain-orb { width: 200px; height: 200px; }
  .orb-ring-1 { width: 200px; height: 200px; }
  .orb-ring-2 { width: 155px; height: 155px; }
  .orb-ring-3 { width: 110px; height: 110px; }
  .footer-inner { flex-direction: column; }
  .footer-bottom { flex-direction: column; text-align: center; }
}