/* ============================================
   AI in REI, Newsletter Site
   Premium-UI build: Space Grotesk + Inter,
   GSAP/Lenis-driven, bento, magnetic, marquee.
   ============================================ */

/* ============================================
   DESIGN TOKENS
   ============================================ */
:root {
  /* ---------- Brand ---------- */
  --navy: #132036;
  --navy-deep: #0A1224;
  --navy-soft: #1B2B47;
  --green: #6CDA9A;
  --green-bright: #8AEFB0;
  --green-dim: rgba(108, 218, 154, 0.10);
  --iris: #7887EA;
  --iris-soft: #9BA6F0;
  --frost: #B4C8C8;
  --off-white: #F2F1EC;
  --warm-white: #F8F7F2;
  --ink: #0A0E1A;
  --ink-soft: #1F2937;

  /* ---------- Neutrals ---------- */
  --gray-100: #f4f4f5;
  --gray-200: #e4e4e7;
  --gray-300: #d4d4d8;
  --gray-400: #a1a1aa;
  --gray-500: #71717a;
  --gray-600: #52525b;
  --gray-700: #3f3f46;
  --gray-800: #27272a;
  --gray-900: #18181b;

  /* ---------- Surface tokens ---------- */
  --bg: var(--navy);
  --bg-elev: var(--navy-deep);
  --bg-light: var(--off-white);
  --bg-light-warm: var(--warm-white);
  --text: var(--off-white);
  --text-mute: var(--frost);
  --text-dim: rgba(180, 200, 200, 0.6);
  --hairline: rgba(108, 218, 154, 0.16);
  --hairline-strong: rgba(108, 218, 154, 0.32);
  --hairline-light: rgba(19, 32, 54, 0.08);

  /* ---------- Type ---------- */
  --font-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Modular type scale (1.25 ratio, fluid) */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: clamp(2.4rem, 4.5vw, 3.5rem);
  --text-hero: clamp(2.8rem, 7vw, 5.6rem);

  --tracking-tight: -0.035em;
  --tracking-tighter: -0.045em;
  --tracking-normal: 0;
  --tracking-wide: 0.18em;
  --leading-tight: 1.04;
  --leading-snug: 1.18;
  --leading-relaxed: 1.6;
  --leading-loose: 1.75;

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

  --section-y: clamp(5rem, 10vw, 9rem);
  --container: 1240px;
  --container-narrow: 880px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);

  /* ---------- Radii ---------- */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;

  /* ---------- Shadow / depth ---------- */
  --shadow-card: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px -10px rgba(19,32,54,0.18);
  --shadow-card-hover: 0 1px 2px rgba(0,0,0,0.05), 0 24px 48px -16px rgba(19,32,54,0.28);
  --shadow-glass: 0 30px 80px -30px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.06);

  /* ---------- Motion ---------- */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ============================================
   RESET + BASE
   ============================================ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
*::selection { background: var(--green); color: var(--navy); }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
html.has-lenis { scroll-behavior: auto; }
html:not(.has-lenis) { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: var(--text-lg);
  font-weight: 300;
  line-height: var(--leading-relaxed);
  letter-spacing: var(--tracking-normal);
  overflow-x: clip;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: var(--container-narrow); margin-inline: auto; padding-inline: var(--gutter); }

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text);
}
.section--light h1,
.section--light h2,
.section--light h3,
.section--light h4 { color: var(--navy); }

h1 { font-size: var(--text-hero); font-weight: 700; letter-spacing: var(--tracking-tighter); }
h2 { font-size: var(--text-5xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); font-weight: 600; }

p { font-size: var(--text-lg); line-height: var(--leading-relaxed); font-weight: 300; color: var(--text-mute); }
.section--light p { color: var(--ink-soft); opacity: 0.82; }
strong { font-weight: 600; color: var(--text); }
.section--light strong { color: var(--navy); }

.label, .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--green);
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  background: var(--green-dim);
}
.section--light .label,
.section--light .eyebrow {
  color: var(--navy);
  background: rgba(19,32,54,0.04);
  border-color: var(--hairline-light);
}
.label::before, .eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  position: relative;
}
.label::before, .eyebrow::before {
  box-shadow: 0 0 0 0 rgba(108, 218, 154, 0.6);
  animation: pulseDot 2.4s var(--ease) infinite;
}
.section--light .label::before,
.section--light .eyebrow::before {
  background: var(--navy);
  animation-name: pulseDotNavy;
}
@keyframes pulseDot {
  0%   { box-shadow: 0 0 0 0 rgba(108,218,154,0.55); }
  70%  { box-shadow: 0 0 0 8px rgba(108,218,154,0); }
  100% { box-shadow: 0 0 0 0 rgba(108,218,154,0); }
}
@keyframes pulseDotNavy {
  0%   { box-shadow: 0 0 0 0 rgba(19,32,54,0.5); }
  70%  { box-shadow: 0 0 0 8px rgba(19,32,54,0); }
  100% { box-shadow: 0 0 0 0 rgba(19,32,54,0); }
}

.text-accent {
  background: linear-gradient(120deg, var(--green) 0%, var(--iris) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: var(--space-4) 0;
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease), border-color 0.4s var(--ease), padding 0.3s var(--ease);
}
.nav.is-scrolled {
  padding: var(--space-3) 0;
  background: rgba(10, 18, 36, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--hairline);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  letter-spacing: var(--tracking-tight);
  color: var(--text);
}
.brand__mark {
  width: 32px; height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--green) 0%, var(--iris) 100%);
  position: relative;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 12px -4px rgba(108, 218, 154, 0.5);
}
.brand__mark::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 6px;
  background: var(--navy);
}
.brand__mark span {
  position: relative;
  z-index: 1;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: var(--font-display);
  background: linear-gradient(135deg, var(--green) 0%, var(--iris) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav__links {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
}
.nav__links a {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--text-mute);
  position: relative;
  transition: color 0.2s var(--ease);
}
.nav__links a:not(.nav__cta)::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: var(--green);
  transition: width 0.35s var(--ease);
}
.nav__links a:not(.nav__cta):hover { color: var(--text); }
.nav__links a:not(.nav__cta):hover::after { width: 100%; }
.nav__cta {
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  background: var(--green);
  color: var(--navy) !important;
  font-weight: 600;
  font-size: var(--text-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.nav__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -10px rgba(108,218,154,0.55);
}
.nav__cta::after { display: none !important; }
@media (max-width: 720px) {
  .nav__links a:not(.nav__cta) { display: none; }
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 9.5rem 0 5rem;
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 60% 50% at 12% 18%, rgba(108, 218, 154, 0.16), transparent 60%),
    radial-gradient(ellipse 60% 50% at 95% 80%, rgba(120, 135, 234, 0.18), transparent 60%),
    var(--navy-deep);
}
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(108, 218, 154, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 218, 154, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 80%);
}
.hero__grain {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.05;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  position: relative;
  z-index: 1;
}
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; gap: 3rem; }
}

.hero__copy h1 {
  margin: var(--space-6) 0 var(--space-6);
  max-width: 14ch;
}
.hero__sub {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--text-mute);
  max-width: 48ch;
  margin: 0 0 var(--space-8);
  line-height: 1.55;
  font-weight: 300;
}
.hero__sub strong { color: var(--text); font-weight: 500; }

.hero__signup {
  position: relative;
  padding: var(--space-6);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--hairline);
  box-shadow: var(--shadow-glass);
  max-width: 520px;
}
.hero__signup::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--green) 0%, transparent 30%, transparent 70%, var(--iris) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
          mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0.4;
  pointer-events: none;
}
.hero__signup-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.hero__signup-label svg { width: 14px; height: 14px; }

.beehiiv-embed { min-height: 80px; }
.beehiiv-embed iframe { max-width: 100%; }

.hero__trust {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--text-mute);
  flex-wrap: wrap;
}
.hero__trust strong { color: var(--text); font-weight: 500; }
.hero__trust .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-mute); opacity: 0.5; }
.hero__avatars {
  display: inline-flex;
  margin-right: var(--space-1);
}
.hero__avatars span {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 2px solid var(--navy-deep);
  margin-left: -8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
.hero__avatars span:nth-child(1) { background: linear-gradient(135deg, #6CDA9A, #7887EA); }
.hero__avatars span:nth-child(2) { background: linear-gradient(135deg, #7887EA, #B4C8C8); }
.hero__avatars span:nth-child(3) { background: linear-gradient(135deg, #B4C8C8, #6CDA9A); }
.hero__avatars span:nth-child(4) { background: linear-gradient(135deg, #8AEFB0, #9BA6F0); }

/* ============================================
   HERO RIGHT, animated newsletter card
   ============================================ */
.hero__visual {
  position: relative;
  perspective: 1600px;
  min-height: 520px;
}
.issue-card {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  padding: var(--space-6);
  box-shadow: var(--shadow-glass);
  transform: rotateY(-7deg) rotateX(4deg);
  transition: transform 0.8s var(--ease);
}
.issue-card:hover { transform: rotateY(-3deg) rotateX(2deg); }
.issue-card__bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--hairline);
  margin-bottom: var(--space-4);
}
.issue-card__bar .traffic {
  display: inline-flex;
  gap: 5px;
}
.issue-card__bar .traffic span {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
}
.issue-card__bar .traffic span:nth-child(1) { background: #FF5F57; }
.issue-card__bar .traffic span:nth-child(2) { background: #FEBC2E; }
.issue-card__bar .traffic span:nth-child(3) { background: #28C840; }
.issue-card__bar .meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-dim);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}
.issue-card__from {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-dim);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}
.issue-card__subject {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-xl);
  color: var(--text);
  margin-bottom: var(--space-6);
  letter-spacing: var(--tracking-tight);
}
.issue-card__subject .accent { color: var(--green); }

.issue-card__sections {
  position: relative;
  min-height: 250px;
}
.issue-section {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  pointer-events: none;
}
.issue-section.is-active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.issue-section__tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: var(--space-3);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.issue-section__tag svg { width: 14px; height: 14px; }
.issue-section h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-3);
  line-height: 1.3;
  letter-spacing: var(--tracking-tight);
}
.issue-section p {
  font-size: var(--text-sm);
  color: var(--text-mute);
  line-height: 1.55;
  margin: 0;
}
.issue-section .prompt {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-mute);
  background: rgba(108, 218, 154, 0.06);
  border-left: 2px solid var(--green);
  padding: var(--space-3) var(--space-4);
  margin-top: var(--space-3);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  line-height: 1.6;
}

.issue-card__progress {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--hairline);
}
.issue-card__progress span {
  flex: 1;
  height: 3px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
}
.issue-card__progress span::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--green), var(--iris));
  transform: translateX(-100%);
}
.issue-card__progress span.is-active::after { animation: fillBar 5.5s linear forwards; }
.issue-card__progress span.is-done::after { transform: translateX(0); }
@keyframes fillBar {
  to { transform: translateX(0); }
}

.hero__floater {
  position: absolute;
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  border: 1px solid var(--hairline-strong);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 12px 40px -16px rgba(0,0,0,0.6);
  white-space: nowrap;
}
.hero__floater--1 { top: 8%; right: -3%; }
.hero__floater--2 { bottom: 6%; left: -5%; }
.hero__floater .status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  position: relative;
  flex-shrink: 0;
}
.hero__floater .status-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--green);
  opacity: 0;
  animation: pulse 2s var(--ease) infinite;
}
@keyframes pulse {
  0%   { transform: scale(0.8); opacity: 0.5; }
  100% { transform: scale(2); opacity: 0; }
}
@media (max-width: 980px) {
  .hero__floater--1 { top: -2%; right: 4%; }
  .hero__floater--2 { bottom: -2%; left: 4%; }
}

.hero__cue {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-mute);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  opacity: 0.6;
}
.hero__cue::after {
  content: '';
  width: 1px;
  height: 28px;
  background: linear-gradient(to bottom, var(--green), transparent);
  animation: cueFloat 2.4s var(--ease) infinite;
}
@keyframes cueFloat {
  0%, 100% { transform: scaleY(1); transform-origin: top; }
  50%      { transform: scaleY(0.4); transform-origin: top; }
}

/* ============================================
   MARQUEE
   ============================================ */
.marquee {
  position: relative;
  padding: var(--space-8) 0;
  overflow: hidden;
  background: var(--navy-deep);
  border-block: 1px solid var(--hairline);
}
.marquee__track {
  display: flex;
  gap: var(--space-12);
  animation: marqueeScroll 36s linear infinite;
  width: max-content;
}
.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.6vw, 1.5rem);
  font-weight: 500;
  color: var(--text-mute);
  letter-spacing: var(--tracking-tight);
  white-space: nowrap;
}
.marquee__item svg {
  width: 18px;
  height: 18px;
  color: var(--green);
  flex-shrink: 0;
}
.marquee__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  opacity: 0.5;
}
@keyframes marqueeScroll {
  to { transform: translateX(-50%); }
}
.marquee::before, .marquee::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(90deg, var(--navy-deep), transparent); }
.marquee::after  { right: 0; background: linear-gradient(270deg, var(--navy-deep), transparent); }

/* ============================================
   SECTION SHELL
   ============================================ */
.section {
  padding-block: var(--section-y);
  position: relative;
}
.section--light  { background: var(--bg-light); color: var(--navy); }
.section--navy   { background: var(--navy); }
.section--deep   { background: var(--navy-deep); }
.section__head {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}
.section__head h2 { margin: var(--space-5, 1.25rem) 0 var(--space-4); }
.section__head p { color: var(--text-mute); font-size: var(--text-lg); }
.section--light .section__head p { color: var(--ink-soft); opacity: 0.78; }

/* ============================================
   BENTO GRID, what you get
   ============================================ */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(220px, auto);
  gap: var(--space-4);
}
.bento__cell {
  position: relative;
  padding: var(--space-8);
  border-radius: var(--r-lg);
  background: var(--warm-white);
  border: 1px solid var(--hairline-light);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.5s var(--ease), border-color 0.4s var(--ease), box-shadow 0.5s var(--ease);
  isolation: isolate;
}
.bento__cell:hover {
  transform: translateY(-4px);
  border-color: var(--navy);
  box-shadow: var(--shadow-card-hover);
}
.bento__cell--1 { grid-column: span 4; }
.bento__cell--2 { grid-column: span 2; }
.bento__cell--3 { grid-column: span 2; }
.bento__cell--4 { grid-column: span 2; }
.bento__cell--5 { grid-column: span 2; }
.bento__cell--6 { grid-column: span 3; }
.bento__cell--7 { grid-column: span 3; }
@media (max-width: 880px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento__cell--1, .bento__cell--6, .bento__cell--7 { grid-column: span 2; }
  .bento__cell--2, .bento__cell--3, .bento__cell--4, .bento__cell--5 { grid-column: span 1; }
}
@media (max-width: 540px) {
  .bento { grid-template-columns: 1fr; }
  .bento__cell { grid-column: span 1 !important; }
}

.bento__icon {
  width: 44px; height: 44px;
  border-radius: 11px;
  background: var(--navy);
  color: var(--green);
  display: grid;
  place-items: center;
  margin-bottom: var(--space-6);
}
.bento__icon svg { width: 22px; height: 22px; }
.bento__cell h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
  color: var(--navy);
  letter-spacing: var(--tracking-tight);
}
.bento__cell p {
  font-size: var(--text-base);
  color: var(--ink-soft);
  line-height: 1.55;
  opacity: 0.82;
  margin: 0;
}
.bento__cell--feature h3 { font-size: var(--text-3xl); }
.bento__viz {
  position: absolute;
  right: -10%;
  bottom: -20%;
  width: 60%;
  height: 70%;
  pointer-events: none;
  opacity: 0.85;
  z-index: -1;
}
.bento__cell--feature .bento__viz { opacity: 1; right: 5%; bottom: 8%; width: 40%; height: 70%; }

/* ============================================
   PINNED SCROLL, "Here's what makes it different"
   ============================================ */
.scroll-stack {
  position: relative;
  min-height: 400vh; /* tall scroll area */
}
.scroll-stack__pin {
  position: sticky;
  top: 0;
  height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-12) 0;
}
@media (max-width: 880px) {
  .scroll-stack__pin { grid-template-columns: 1fr; padding-block: var(--space-16); }
  .scroll-stack { min-height: auto; }
  .scroll-stack__pin { position: relative; height: auto; }
}
.scroll-stack__copy {
  padding-inline: var(--gutter);
}
.scroll-stack__copy h2 {
  margin-bottom: var(--space-4);
}
.scroll-stack__copy h2 span {
  color: var(--text-dim);
  display: block;
  font-size: 0.6em;
  font-weight: 400;
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-2);
}
.scroll-stack__counter {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.scroll-stack__lede {
  position: relative;
  min-height: 220px;
}
.scroll-stack__lede p {
  position: absolute;
  inset: 0;
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: var(--text-mute);
  line-height: 1.55;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  margin: 0;
}
.scroll-stack__lede p.is-active {
  opacity: 1;
  transform: translateY(0);
}

.scroll-stack__visual {
  padding: var(--space-10);
  position: relative;
}
.stack-frame {
  position: relative;
  border-radius: var(--r-xl);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--hairline);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-glass);
  padding: var(--space-8);
  aspect-ratio: 4 / 5;
  overflow: hidden;
}
.stack-panel {
  position: absolute;
  inset: var(--space-8);
  opacity: 0;
  transform: translateY(20px) scale(0.98);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.stack-panel.is-active {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.stack-panel__metric {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: var(--tracking-tighter);
  background: linear-gradient(135deg, var(--green) 0%, var(--iris) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-4);
}
.stack-panel__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: var(--space-6);
}
.stack-panel__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.stack-panel__list li {
  font-size: var(--text-base);
  color: var(--text-mute);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-weight: 300;
}
.stack-panel__list li svg {
  width: 18px;
  height: 18px;
  color: var(--green);
  flex-shrink: 0;
  margin-top: 4px;
}

/* ============================================
   LADDER, referral
   ============================================ */
.ladder {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 800px;
  margin-inline: auto;
}
.ladder__step {
  position: relative;
  padding: var(--space-6) var(--space-8);
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  gap: var(--space-6);
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease);
  overflow: hidden;
}
.ladder__step::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--green-dim), transparent);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.ladder__step:hover {
  transform: translateX(6px);
  border-color: var(--hairline-strong);
}
.ladder__step:hover::before { opacity: 1; }
.ladder__count {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3vw, 2.6rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--green), var(--iris));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: var(--tracking-tighter);
  line-height: 1;
}
.ladder__count small {
  display: block;
  font-size: 0.62rem;
  font-weight: 500;
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-mute);
  -webkit-text-fill-color: var(--text-mute);
  margin-top: 4px;
}
.ladder__step h3 {
  font-size: var(--text-xl);
  margin-bottom: 0.25rem;
}
.ladder__step p {
  font-size: var(--text-sm);
  color: var(--text-mute);
  margin: 0;
  line-height: 1.5;
}
.ladder__step-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--green);
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  white-space: nowrap;
}
@media (max-width: 640px) {
  .ladder__step { grid-template-columns: 60px 1fr; gap: var(--space-4); padding: var(--space-5); }
  .ladder__step-tag { grid-column: 1 / -1; justify-self: start; margin-top: var(--space-2); }
}

/* ============================================
   FOR-WHO grid
   ============================================ */
.who-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}
.who {
  padding: var(--space-8);
  border-radius: var(--r-md);
  background: white;
  border: 1px solid var(--hairline-light);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}
.who:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--navy);
}
.who__icon {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--green);
  text-transform: uppercase;
  font-weight: 500;
}
.section--light .who__icon { color: var(--navy); opacity: 0.6; }
.who h4 {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--navy);
  letter-spacing: var(--tracking-tight);
}
.who p {
  font-size: var(--text-base);
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.55;
  opacity: 0.82;
}

/* ============================================
   FOUNDER NOTE
   ============================================ */
.founder {
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
  position: relative;
}
.founder__avatar {
  width: 92px; height: 92px;
  border-radius: 50%;
  margin-inline: auto;
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--green) 0%, var(--iris) 100%);
  position: relative;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: var(--tracking-tight);
  box-shadow: 0 0 0 6px rgba(108, 218, 154, 0.10), 0 24px 60px -20px rgba(108, 218, 154, 0.45);
}
.founder p {
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.55;
  color: var(--text-mute);
  margin-bottom: var(--space-6);
  font-weight: 300;
}
.founder__sig {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--text);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
}
.founder__sig small {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--green);
  margin-top: var(--space-2);
  font-weight: 500;
}

/* ============================================
   FAQ
   ============================================ */
.faq {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.faq__item {
  border: 1px solid var(--hairline-light);
  border-radius: var(--r-md);
  background: white;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.faq__item:hover { border-color: var(--navy); box-shadow: var(--shadow-card); }
.faq__item[open] { border-color: var(--green); }
.faq__item summary {
  padding: var(--space-5) var(--space-6);
  font-weight: 500;
  font-size: var(--text-base);
  color: var(--navy);
  font-family: var(--font-display);
  letter-spacing: var(--tracking-tight);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '';
  width: 14px; height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23132036' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  transition: transform 0.3s var(--ease);
  flex-shrink: 0;
}
.faq__item[open] summary::after { transform: rotate(180deg); }
.faq__answer {
  padding: 0 var(--space-6) var(--space-5);
  color: var(--ink-soft);
  font-size: var(--text-base);
  line-height: 1.6;
  opacity: 0.85;
}

/* ============================================
   FINAL CTA
   ============================================ */
.final-cta {
  text-align: center;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.final-cta__inner {
  max-width: 720px;
  margin-inline: auto;
}
.final-cta h2 { margin-bottom: var(--space-4); }
.final-cta__sub {
  color: var(--text-mute);
  font-size: var(--text-xl);
  margin-bottom: var(--space-10);
  font-weight: 300;
}
.final-cta__signup {
  max-width: 480px;
  margin-inline: auto;
  padding: var(--space-6);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid var(--hairline);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-glass);
}
.final-cta::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 110%; height: 80%;
  z-index: -1;
  background:
    radial-gradient(ellipse 50% 60% at 30% 50%, rgba(108, 218, 154, 0.20), transparent 70%),
    radial-gradient(ellipse 50% 60% at 70% 50%, rgba(120, 135, 234, 0.20), transparent 70%);
  filter: blur(80px);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-16) 0 var(--space-8);
  background: var(--navy-deep);
  border-top: 1px solid var(--hairline);
  position: relative;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
@media (max-width: 760px) { .footer__inner { grid-template-columns: 1fr 1fr; } }
.footer__brand p {
  font-size: var(--text-sm);
  color: var(--text-mute);
  margin: var(--space-4) 0 0;
  max-width: 280px;
  line-height: 1.55;
}
.footer__col h5 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: var(--space-4);
  font-weight: 500;
}
.footer__col ul { list-style: none; }
.footer__col li { margin-bottom: var(--space-2); }
.footer__col a {
  font-size: var(--text-sm);
  color: var(--text-mute);
  transition: color 0.2s var(--ease);
  display: inline-block;
  position: relative;
}
.footer__col a:hover { color: var(--text); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--hairline);
  font-size: var(--text-sm);
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer__bottom p { font-size: var(--text-sm); color: var(--text-dim); margin: 0; }

/* ============================================
   REVEAL, JS-gated to avoid FOUC
   ============================================ */
.js [data-reveal]:not(.is-in),
.js [data-stagger] > *:not(.is-in) {
  opacity: 0;
  transform: translateY(28px);
}
[data-reveal], [data-stagger] > * {
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
  will-change: opacity, transform;
}
.js [data-reveal].is-in,
.js [data-stagger] > .is-in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .js [data-reveal]:not(.is-in),
  .js [data-stagger] > *:not(.is-in) { opacity: 1; transform: none; }
}

/* ============================================
   ARCHIVE PAGE
   ============================================ */
.archive {
  padding: 9.5rem 0 5rem;
  min-height: 100vh;
  background: var(--navy-deep);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.archive::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 80% 0%, rgba(108, 218, 154, 0.10), transparent 60%),
    radial-gradient(ellipse 60% 40% at 10% 60%, rgba(120, 135, 234, 0.10), transparent 60%);
  z-index: -1;
}
.archive__head {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}
.archive__head h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  margin: var(--space-4) 0 var(--space-4);
}
.archive__head p { color: var(--text-mute); font-size: var(--text-lg); }

.issue-list {
  max-width: 920px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.issue {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-8);
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--hairline);
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.issue:hover {
  transform: translateX(6px);
  border-color: var(--hairline-strong);
  background: rgba(108, 218, 154, 0.04);
}
.issue__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--green);
  letter-spacing: var(--tracking-wide);
}
.issue__num small {
  display: block;
  color: var(--text-mute);
  font-size: var(--text-xs);
  margin-top: var(--space-1);
  text-transform: uppercase;
}
.issue h3 { font-size: var(--text-xl); margin-bottom: var(--space-2); letter-spacing: var(--tracking-tight); }
.issue p { font-size: var(--text-sm); color: var(--text-mute); margin: 0; line-height: 1.55; }
.issue__arrow {
  color: var(--green);
  transition: transform 0.3s var(--ease);
  flex-shrink: 0;
}
.issue:hover .issue__arrow { transform: translateX(4px); }
@media (max-width: 640px) {
  .issue { grid-template-columns: 1fr; padding: var(--space-5); }
  .issue__arrow { display: none; }
}

.archive__cta {
  margin-top: clamp(4rem, 8vw, 6rem);
  text-align: center;
  max-width: 520px;
  margin-inline: auto;
}
.archive__cta h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-block: var(--space-4) var(--space-8); }
.archive__cta-frame {
  padding: var(--space-6);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid var(--hairline);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-glass);
}

/* ============================================
   THANKS PAGE
   ============================================ */
.thanks {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 9.5rem 0 4rem;
  background: var(--navy-deep);
  text-align: center;
  position: relative;
  isolation: isolate;
}
.thanks::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 50% 30%, rgba(108, 218, 154, 0.18), transparent 70%);
  z-index: -1;
}
.thanks__inner {
  max-width: 600px;
  padding: 0 var(--gutter);
}
.thanks__check {
  width: 84px; height: 84px;
  border-radius: 50%;
  background: var(--green-dim);
  border: 2px solid var(--green);
  display: grid;
  place-items: center;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  color: var(--green);
  animation: checkPop 0.6s var(--ease) both;
}
@keyframes checkPop {
  0%   { transform: scale(0); }
  60%  { transform: scale(1.1); }
  100% { transform: scale(1); }
}
.thanks h1 { margin-bottom: var(--space-4); font-size: clamp(2rem, 4vw, 3rem); }
.thanks p { color: var(--text-mute); font-size: var(--text-xl); margin-bottom: var(--space-8); font-weight: 300; }
.thanks__row { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; }
.thanks__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  background: var(--green);
  color: var(--navy);
  font-weight: 600;
  font-size: var(--text-base);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.thanks__cta--ghost {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
}
.thanks__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px -14px rgba(108,218,154,0.5);
}

/* ============================================
   LEGAL PAGES
   ============================================ */
.legal { padding: 9.5rem 0 var(--space-16); min-height: 80vh; background: var(--bg-light); }
.legal .container { max-width: 720px; }
.legal h1 { color: var(--navy); margin-bottom: var(--space-4); font-size: clamp(2rem, 3.5vw, 2.6rem); }
.legal h2 { font-size: var(--text-xl); color: var(--navy); margin: var(--space-8) 0 var(--space-3); letter-spacing: var(--tracking-tight); }
.legal p, .legal li { color: var(--ink-soft); font-size: var(--text-base); line-height: 1.65; margin-bottom: var(--space-3); opacity: 0.85; }
.legal ul { padding-left: var(--space-6); }
.legal a { color: var(--navy); text-decoration: underline; text-decoration-color: var(--green); text-underline-offset: 3px; }