/* ========================================
   DataGrid Development — Institutional Grade
   Aesthetic: Financial infrastructure precision
   ======================================== */

:root {
  /* Deep institutional blues */
  --navy-950: #050a18;
  --navy-900: #07101f;
  --navy-850: #0a1628;
  --navy-800: #0e1e3a;
  --navy-700: #142c52;
  --navy-600: #1a3d6e;

  /* Signal blue — vivid, electric */
  --blue-500: #2563eb;
  --blue-400: #3b82f6;
  --blue-300: #60a5fa;
  --blue-200: #93c5fd;

  /* Steel neutrals */
  --steel-700: #2d3748;
  --steel-600: #3d4a5c;
  --steel-500: #5a6578;
  --steel-400: #7b8698;
  --steel-300: #a0aab8;
  --steel-200: #c8cdd6;
  --steel-100: #e2e6ec;
  --steel-50: #f0f2f5;

  --white: #ffffff;
  --offwhite: #f7f8fa;

  /* Type — geometric/tech to match logo */
  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', 'Consolas', monospace;

  /* Spacing scale */
  --s-xs: 0.25rem;
  --s-sm: 0.5rem;
  --s-md: 1rem;
  --s-lg: 1.5rem;
  --s-xl: 2.5rem;
  --s-2xl: 4rem;
  --s-3xl: 6rem;
  --s-4xl: 8rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.7;
  color: var(--steel-600);
  background: var(--offwhite);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
strong { font-weight: 600; color: var(--navy-850); }

/* ---- Noise overlay for texture ---- */
.noise {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  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='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* ---- Container ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ---- Typography ---- */
h1, h2 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  color: var(--navy-850);
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2.5rem, 4.5vw, 4rem);
}

h1 em, h2 em {
  font-style: normal;
  background: linear-gradient(135deg, #2563eb 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.875rem, 3.5vw, 2.875rem);
}

h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--navy-850);
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.h4 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel-400);
  margin-bottom: var(--s-lg);
}

/* ---- Section label (monospaced, data-like) ---- */
.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-500);
  margin-bottom: var(--s-lg);
}

.section-dark .section-label {
  color: var(--blue-400);
}

.section-intro {
  font-size: 1.0625rem;
  color: var(--steel-500);
  margin-top: var(--s-lg);
  line-height: 1.75;
  max-width: 580px;
}

.section-dark .section-intro {
  color: var(--steel-400);
}

.section-line {
  width: 40px;
  height: 1px;
  background: var(--blue-500);
  margin-top: var(--s-md);
  opacity: 0.5;
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0.75rem 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-scrolled {
  background: rgba(5, 10, 24, 0.92);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(59, 125, 221, 0.08);
}

.nav-scrolled .nav-logo img {
  height: 28px;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img {
  height: 34px;
  width: auto;
  opacity: 0.95;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-logo:hover img { opacity: 1; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: rgba(255, 255, 255, 0.95);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 6px;
  position: relative;
  z-index: 101;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 0.8125rem 2rem;
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  color: var(--white) !important;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 8px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid rgba(59, 130, 246, 0.5);
  cursor: pointer;
}

.btn:hover {
  background: linear-gradient(135deg, #3b82f6 0%, #38bdf8 100%);
  border-color: rgba(56, 189, 248, 0.5);
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.25);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 0.9375rem;
}

.btn-outline {
  background: transparent;
  color: var(--white) !important;
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy-950);
  overflow: hidden;
  padding: 10rem 0 5rem;
}

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

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 125, 221, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 125, 221, 0.07) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 70% 40%, black 10%, transparent 60%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 70% 40%, black 10%, transparent 60%);
}

.hero-glow {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 55%;
  height: 90%;
  background: radial-gradient(ellipse at center, rgba(59, 125, 221, 0.1) 0%, transparent 55%);
  filter: blur(80px);
}

/* Horizontal scan line */
.hero-scan-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 125, 221, 0.25), transparent);
  animation: scanMove 6s ease-in-out infinite;
}

@keyframes scanMove {
  0% { top: 20%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { top: 80%; opacity: 0; }
}

/* Two-column hero layout */
.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--s-3xl);
  align-items: center;
}

.hero-content {
  position: relative;
}

.hero-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-400);
  margin-bottom: var(--s-xl);
  padding: 0.375rem 1rem;
  border: 1px solid rgba(59, 125, 221, 0.2);
  border-radius: 6px;
  background: rgba(59, 125, 221, 0.05);
}

.hero h1 {
  color: var(--white);
  margin-bottom: var(--s-xl);
  line-height: 0.95;
}

.hero h1 em {
  background: linear-gradient(135deg, #3b82f6 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text {
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.8;
  color: var(--steel-400);
  margin-bottom: var(--s-2xl);
  max-width: 540px;
}

/* Hero data panel (right side) */
.hero-data {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid rgba(59, 125, 221, 0.12);
  background: rgba(59, 125, 221, 0.03);
  border-radius: 12px;
  overflow: hidden;
  min-width: 200px;
}

.hero-data-block {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(59, 125, 221, 0.08);
  transition: background 0.3s;
}

.hero-data-block:last-child {
  border-bottom: none;
}

.hero-data-block:hover {
  background: rgba(59, 125, 221, 0.06);
}

.hero-data-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--steel-500);
  margin-bottom: 0.25rem;
}

.hero-data-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
}

.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(59, 125, 221, 0.5), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.8; transform: scaleY(1.2); }
}

/* ---- Hero entry animation ---- */
[data-animate="fade-up"] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: calc(var(--delay, 0) * 0.12s + 0.3s);
}

body.loaded [data-animate="fade-up"] {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Scroll reveal (progressive enhancement) ---- */
body.js-ready .card, body.js-ready .feature, body.js-ready .stat,
body.js-ready .execution-item, body.js-ready .entry-card,
body.js-ready .list-card, body.js-ready .hook-content,
body.js-ready .section-header, body.js-ready .split-text,
body.js-ready .split-visual, body.js-ready .energy-text,
body.js-ready .scarcity-inner, body.js-ready .cta-inner,
body.js-ready .returns-col {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

body.js-ready .card.in-view, body.js-ready .feature.in-view,
body.js-ready .stat.in-view, body.js-ready .execution-item.in-view,
body.js-ready .entry-card.in-view, body.js-ready .list-card.in-view,
body.js-ready .hook-content.in-view, body.js-ready .section-header.in-view,
body.js-ready .split-text.in-view, body.js-ready .split-visual.in-view,
body.js-ready .energy-text.in-view, body.js-ready .scarcity-inner.in-view,
body.js-ready .cta-inner.in-view, body.js-ready .returns-col.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.grid-3 .card:nth-child(2), .grid-2 > :nth-child(2),
.grid-3 .entry-card:nth-child(2) { transition-delay: 0.1s; }
.grid-3 .card:nth-child(3),
.grid-3 .entry-card:nth-child(3) { transition-delay: 0.2s; }

.stat-grid .stat:nth-child(2) { transition-delay: 0.08s; }
.stat-grid .stat:nth-child(3) { transition-delay: 0.16s; }
.stat-grid .stat:nth-child(4) { transition-delay: 0.24s; }

.execution-item:nth-child(2) { transition-delay: 0.08s; }
.execution-item:nth-child(3) { transition-delay: 0.16s; }
.execution-item:nth-child(4) { transition-delay: 0.24s; }

/* ---- Decorative patterns (from logo icon) ---- */
.deco-pattern {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  background-repeat: no-repeat;
}

.deco-pattern-tr {
  top: 0;
  right: 0;
  width: 50vw;
  height: 100%;
  background-image: url('deco-pattern-tr.svg');
  background-size: cover;
  background-position: right center;
  opacity: 0.6;
}

.deco-pattern-bl {
  top: 0;
  left: 0;
  width: 50vw;
  height: 100%;
  background-image: url('deco-pattern-bl.svg');
  background-size: cover;
  background-position: left center;
  opacity: 0.6;
}

.deco-pattern-mid {
  top: 0;
  right: 0;
  width: 55vw;
  height: 100%;
  background-image: url('deco-pattern-mid.svg');
  background-size: cover;
  background-position: right center;
  opacity: 0.45;
}

/* Stretched / skewed variants */
.deco-pattern-tr.stretched {
  opacity: 0.4;
}

.deco-pattern-bl.stretched {
  opacity: 0.4;
}

/* ---- Subtle float animations (data flow) ---- */
.deco-pattern-tr,
.deco-pattern-bl,
.deco-pattern-mid {
  will-change: transform;
}

.deco-pattern-tr {
  animation: floatRight 14s ease-in-out infinite;
}

.deco-pattern-bl {
  animation: floatLeft 16s ease-in-out infinite;
}

.deco-pattern-mid {
  animation: floatRight 18s ease-in-out infinite;
}

.deco-pattern-tr.stretched {
  animation: floatRightStretched 14s ease-in-out infinite;
}

@keyframes floatRight {
  0%   { transform: translateX(0) translateY(0); }
  25%  { transform: translateX(-8px) translateY(5px); }
  50%  { transform: translateX(-3px) translateY(-4px); }
  75%  { transform: translateX(-10px) translateY(2px); }
  100% { transform: translateX(0) translateY(0); }
}

@keyframes floatLeft {
  0%   { transform: translateX(0) translateY(0); }
  30%  { transform: translateX(6px) translateY(-5px); }
  60%  { transform: translateX(3px) translateY(4px); }
  100% { transform: translateX(0) translateY(0); }
}

@keyframes floatRightStretched {
  0%   { transform: scaleX(1.4) scaleY(0.8) translateX(0) translateY(0); }
  25%  { transform: scaleX(1.4) scaleY(0.8) translateX(-8px) translateY(5px); }
  50%  { transform: scaleX(1.4) scaleY(0.8) translateX(-3px) translateY(-4px); }
  75%  { transform: scaleX(1.4) scaleY(0.8) translateX(-10px) translateY(2px); }
  100% { transform: scaleX(1.4) scaleY(0.8) translateX(0) translateY(0); }
}

/* Stagger animations per section */
.section:nth-child(3) .deco-pattern { animation-delay: 0s; }
.section:nth-child(4) .deco-pattern { animation-delay: -4s; }
.section:nth-child(5) .deco-pattern { animation-delay: -2s; }
.section:nth-child(6) .deco-pattern { animation-delay: -7s; }
.section:nth-child(7) .deco-pattern { animation-delay: -3s; }
.section:nth-child(8) .deco-pattern { animation-delay: -9s; }
.section:nth-child(9) .deco-pattern { animation-delay: -5s; }
.section:nth-child(10) .deco-pattern { animation-delay: -1s; }
.section:nth-child(11) .deco-pattern { animation-delay: -6s; }

/* Hide decorations on small screens */
@media (max-width: 768px) {
  .deco-pattern { display: none; }
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .deco-pattern { animation: none; }
}

/* ---- Sections ---- */
.section {
  padding: var(--s-4xl) 0;
  position: relative;
}

.section-dark {
  background: var(--navy-950);
  color: var(--steel-300);
}

.section-dark h2, .section-dark h3, .section-dark .h4 {
  color: var(--white);
}

.section-dark h2 em {
  background: linear-gradient(135deg, #3b82f6 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header {
  margin-bottom: var(--s-3xl);
}

/* ---- Hook layout (asymmetric) ---- */
.hook-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--s-3xl);
  align-items: start;
}

.hook-content h2 {
  max-width: 680px;
}

/* ---- Grid Layouts ---- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* ---- Cards (borderline / financial style) ---- */
.card {
  padding: 2.25rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  transition: background 0.4s, border-color 0.4s,
              opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(59, 125, 221, 0.15);
}

.card-top {
  display: flex;
  align-items: center;
  gap: var(--s-md);
  margin-bottom: var(--s-xl);
}

.card-number {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--blue-400);
  letter-spacing: 0.05em;
}

.card-line {
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.card h3 {
  margin-bottom: var(--s-sm);
  color: var(--white);
}

.card p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--steel-400);
}

/* Entry cards (light section) */
.section:not(.section-dark) .card {
  background: var(--white);
  border-color: var(--steel-100);
}

.section:not(.section-dark) .card:hover {
  border-color: var(--blue-200);
  box-shadow: 0 8px 32px rgba(5, 10, 24, 0.04);
}

.section:not(.section-dark) .card h3 {
  color: var(--navy-850);
}

.section:not(.section-dark) .card p {
  color: var(--steel-500);
}

/* Entry type badge */
.entry-type {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue-500);
  border: 1px solid var(--blue-200);
  border-radius: 6px;
  margin-bottom: var(--s-lg);
  background: rgba(59, 125, 221, 0.04);
}

.entry-grid {
  gap: 1.5rem;
}

/* ---- Features (minimal, structured) ---- */
.feature {
  padding: 2.25rem;
  border: 1px solid var(--steel-100);
  background: var(--white);
  border-radius: 12px;
  position: relative;
  transition: border-color 0.4s, box-shadow 0.4s,
              opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature:hover {
  border-color: var(--blue-200);
  box-shadow: 0 8px 32px rgba(5, 10, 24, 0.04);
}

.feature-marker {
  width: 3px;
  height: 24px;
  background: var(--blue-500);
  margin-bottom: var(--s-lg);
  border-radius: 2px;
}

.feature h3 {
  margin-bottom: var(--s-sm);
}

.feature p {
  font-size: 0.9375rem;
  color: var(--steel-500);
  line-height: 1.75;
}

/* ---- Split Layout ---- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-3xl);
  align-items: center;
}

.split-text h2 {
  color: var(--white);
}

.split-desc {
  margin-top: var(--s-lg);
  color: var(--steel-400);
  line-height: 1.75;
}

/* ---- Stat Grid ---- */
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  overflow: hidden;
}

.stat {
  background: var(--navy-950);
  padding: 2rem;
  text-align: left;
  transition: background 0.4s,
              opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.stat:hover {
  background: rgba(255, 255, 255, 0.02);
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--white);
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat-unit {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--blue-400);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

.stat-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--steel-500);
  margin-top: var(--s-sm);
}

/* ---- Check List ---- */
.check-list {
  margin-top: var(--s-lg);
}

.check-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.625rem;
  font-size: 0.9375rem;
  line-height: 1.65;
}

.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 1px;
  background: var(--blue-500);
}

.section-dark .check-list li::before {
  background: var(--blue-400);
}

/* ---- Investor List ---- */
.investor-list {
  margin-top: var(--s-lg);
}

.investor-list li {
  display: flex;
  align-items: center;
  gap: var(--s-md);
  padding: 0.875rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--steel-300);
}

.investor-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--blue-400);
  flex-shrink: 0;
}

/* ---- Energy Section layout ---- */
.energy-layout {
  display: grid;
  gap: var(--s-3xl);
}

.energy-text {
  max-width: 720px;
}

.energy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* ---- List Cards ---- */
.list-card {
  padding: 2.25rem;
  border: 1px solid var(--steel-100);
  background: var(--white);
  border-radius: 12px;
}

.list-card h3 {
  margin-bottom: var(--s-sm);
}

.list-card.highlight {
  background: var(--navy-950);
  border-color: var(--navy-700);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.highlight-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-400);
}

.highlight-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--white);
  margin-top: var(--s-lg);
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

/* ---- Execution layout ---- */
.execution-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-3xl);
  align-items: start;
}

.execution-list {
  display: flex;
  flex-direction: column;
}

.execution-item {
  display: flex;
  align-items: baseline;
  gap: var(--s-lg);
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.execution-item:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.execution-num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--blue-400);
  letter-spacing: 0.04em;
  flex-shrink: 0;
  width: 1.5rem;
}

.execution-item p {
  font-size: 1rem;
  color: var(--steel-300);
  line-height: 1.6;
}

/* ---- Scarcity ---- */
.scarcity-section {
  border-top: 1px solid var(--steel-100);
  border-bottom: 1px solid var(--steel-100);
}

.scarcity-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.scarcity-inner .section-intro {
  margin-left: auto;
  margin-right: auto;
}

/* ---- CTA Section ---- */
.section-cta {
  background: var(--navy-950);
  padding: var(--s-4xl) 0;
  position: relative;
  overflow: hidden;
}

.section-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 125, 221, 0.3), transparent);
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-3xl);
  align-items: center;
}

.cta-inner h2 {
  color: var(--white);
}

.cta-inner .section-intro {
  color: var(--steel-400);
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: var(--s-md);
  align-items: flex-start;
}

.cta-actions .btn {
  width: 100%;
  text-align: center;
}

/* ---- Footer ---- */
.footer {
  background: var(--navy-950);
  padding: var(--s-2xl) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--s-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-brand img {
  height: 28px;
  width: auto;
  opacity: 0.5;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  font-size: 0.8125rem;
  color: var(--steel-500);
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--steel-300);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--s-lg);
}

.footer-claim {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--steel-600);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--steel-600);
  letter-spacing: 0.02em;
}

/* ---- Legal Pages ---- */
.legal-page {
  padding: 8rem 0 4rem;
  max-width: 720px;
  margin: 0 auto;
}

.legal-page h1 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--steel-100);
}

.legal-page h2 {
  font-size: 1.375rem;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.legal-page h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.legal-page p {
  margin-bottom: 1rem;
  color: var(--steel-500);
}

.legal-page ul {
  margin: 0.75rem 0 1rem 1.5rem;
  list-style: disc;
  color: var(--steel-500);
}

.legal-page ul li {
  margin-bottom: 0.25rem;
}

.legal-page a {
  color: var(--blue-500);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: 1fr; gap: 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: var(--s-2xl); }
  .cta-inner { grid-template-columns: 1fr; gap: var(--s-2xl); }
  .execution-layout { grid-template-columns: 1fr; gap: var(--s-2xl); }
  .hook-layout { grid-template-columns: 1fr; gap: var(--s-lg); }
  .energy-grid { grid-template-columns: 1fr; }
  .entry-grid { gap: 0; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--navy-950);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    z-index: 99;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.125rem;
    color: var(--white);
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 8rem 0 4rem;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: var(--s-2xl);
  }

  .hero-data {
    grid-template-columns: 1fr 1fr;
    min-width: auto;
  }

  .hero-data-block:nth-child(2) {
    border-bottom: 1px solid rgba(59, 125, 221, 0.08);
  }

  .section {
    padding: var(--s-3xl) 0;
  }

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

  .footer-top,
  .footer-bottom {
    flex-direction: column;
    gap: var(--s-md);
    text-align: center;
  }

  .cta-actions { width: 100%; }
}