/* ==========================================================================
   ENTROPSY — Main Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;900&family=JetBrains+Mono:wght@400;500&display=swap');
@import 'variables.css';
@import 'animations.css';

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-weight: var(--weight-normal);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
  letter-spacing: var(--tracking-normal);
}

::selection {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-out);
}

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

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

ul, ol {
  list-style: none;
}

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

:focus-visible {
  outline: 2px solid rgba(255,255,255,0.4);
  outline-offset: 3px;
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.container--narrow {
  max-width: var(--container-lg);
}

.container--wide {
  max-width: var(--container-2xl);
}

section {
  position: relative;
  padding: var(--section-pad) 0;
}

/* ---- Section Divider ---- */
.section-divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  margin: 0;
  border: none;
}

/* ---- Typography ---- */
.t-overline {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.t-label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.t-heading-xl {
  font-size: clamp(var(--text-5xl), 8vw, var(--text-8xl));
  font-weight: var(--weight-bold);
  line-height: var(--leading-none);
  letter-spacing: var(--tracking-tight);
}

.t-heading-lg {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

.t-heading-md {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

.t-heading-sm {
  font-size: clamp(var(--text-xl), 2vw, var(--text-2xl));
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
}

.t-body-lg {
  font-size: clamp(var(--text-lg), 1.5vw, var(--text-xl));
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.t-body {
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-secondary);
}

.t-stat {
  font-size: clamp(var(--text-6xl), 10vw, var(--text-9xl));
  font-weight: var(--weight-black);
  line-height: var(--leading-none);
  letter-spacing: var(--tracking-tight);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: var(--space-5) 0;
  transition: all var(--duration-slow) var(--ease-out);
}

.nav--scrolled {
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) 0;
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.nav__logo-dots {
  display: flex;
  gap: 4px;
  align-items: center;
}

.nav__logo-dot {
  width: 5px;
  height: 5px;
  background: var(--color-text-primary);
  border-radius: 50%;
}

.nav__logo-dot:first-child {
  border-radius: 30% 70% 20% 80% / 60% 30% 70% 40%;
  transform: rotate(-15deg);
}

.nav__logo-dot:nth-child(2) {
  border-radius: 40% 55% 45% 60% / 55% 40% 60% 45%;
  transform: rotate(8deg);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--duration-normal) var(--ease-out);
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text-primary);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-text-primary);
  transition: width var(--duration-normal) var(--ease-out);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transition: all var(--duration-normal) var(--ease-out);
}

.nav__cta:hover {
  background: var(--color-text-primary);
  color: var(--color-bg-primary);
  border-color: var(--color-text-primary);
}

/* Mobile Menu */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  cursor: pointer;
  z-index: calc(var(--z-nav) + 10);
}

.nav__burger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-text-primary);
  transition: all var(--duration-normal) var(--ease-out);
  transform-origin: center;
}

.nav__burger--active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__burger--active span:nth-child(2) {
  opacity: 0;
}
.nav__burger--active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.nav__mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.97);
  z-index: var(--z-nav);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
}

.nav__mobile-menu--open {
  display: flex;
}

.nav__mobile-menu a {
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: var(--z-canvas);
}

.hero__content {
  position: relative;
  z-index: var(--z-base);
  text-align: center;
  max-width: 900px;
  padding: 0 var(--gutter);
}

.hero__dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: var(--space-8);
}

.hero__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-text-primary);
  opacity: 0.6;
}

.hero__dot:first-child {
  border-radius: 30% 70% 20% 80% / 60% 30% 70% 40%;
  transform: rotate(-15deg);
}

.hero__dot:nth-child(2) {
  border-radius: 40% 55% 45% 60% / 55% 40% 60% 45%;
  transform: rotate(8deg);
}

.hero__title {
  font-size: clamp(var(--text-6xl), 12vw, var(--text-9xl));
  font-weight: var(--weight-bold);
  line-height: var(--leading-none);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-6);
}

.hero__subtitle {
  font-size: clamp(var(--text-lg), 2vw, var(--text-xl));
  color: var(--color-text-secondary);
  font-weight: var(--weight-light);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-12);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.hero__cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  animation: float 3s ease-in-out infinite;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-text-muted), transparent);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-text-primary);
  color: var(--color-bg-primary);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,255,255,0.15);
}

.btn--outline {
  border: 1px solid var(--color-border-hover);
  color: var(--color-text-primary);
}

.btn--outline:hover {
  border-color: var(--color-text-primary);
  background: rgba(255,255,255,0.05);
}

.btn--ghost {
  color: var(--color-text-secondary);
  padding: var(--space-2) 0;
}

.btn--ghost:hover {
  color: var(--color-text-primary);
}

.btn__arrow {
  transition: transform var(--duration-normal) var(--ease-out);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* ---- Problem Section ---- */
.problem {
  background: var(--color-bg-secondary);
}

.problem__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
}

.problem__stat-block {
  text-align: center;
  margin-bottom: var(--space-12);
}

.problem__stat-number {
  font-size: clamp(var(--text-7xl), 15vw, 12rem);
  font-weight: var(--weight-black);
  line-height: var(--leading-none);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.problem__stat-label {
  font-size: clamp(var(--text-xl), 2.5vw, var(--text-3xl));
  color: var(--color-text-secondary);
  margin-top: var(--space-4);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.problem__stat-source {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  letter-spacing: var(--tracking-wide);
}

.problem__events {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.event-card {
  padding: var(--space-6);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out);
}

.event-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.event-card__date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent-red);
  margin-bottom: var(--space-3);
}

.event-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
}

.event-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ---- Paradox Section ---- */
.paradox {
  background: var(--color-bg-primary);
}

.paradox__quote {
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
  text-align: center;
  max-width: 900px;
  margin: 0 auto var(--space-12);
  letter-spacing: var(--tracking-tight);
}

.paradox__comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
}

.paradox__col {
  padding: var(--space-6);
}

.paradox__col--trap {
  background: rgba(230,57,70,0.05);
  border-right: 1px solid var(--color-border);
}

.paradox__col--pivot {
  background: rgba(42,157,143,0.05);
}

.paradox__col-header {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.paradox__col--trap .paradox__col-header {
  color: var(--color-risk-critical);
}

.paradox__col--pivot .paradox__col-header {
  color: var(--color-risk-low);
}

.paradox__item {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.paradox__item:last-child {
  border-bottom: none;
}

/* ---- Services Section ---- */
.services {
  background: var(--color-bg-secondary);
}

.services__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

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

.service-card {
  position: relative;
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-slow) var(--ease-out);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.service-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.service-card__title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
  letter-spacing: var(--tracking-tight);
}

.service-card__timeline {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.service-card__deliverables {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.service-card__deliverables-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.service-card__deliverable {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-2) 0;
}

.service-card__deliverable::before {
  content: '—';
  color: var(--color-text-muted);
  flex-shrink: 0;
}

/* ---- Atmospheric Section Backgrounds ---- */
.section--glow {
  position: relative;
}

.section--glow::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.015) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.section--glow > .container {
  position: relative;
  z-index: 1;
}

/* Noise texture overlay for depth */
.section--textured {
  position: relative;
}

.section--textured::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.015'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

.section--textured > .container {
  position: relative;
  z-index: 1;
}

/* Gradient divider (replaces flat hr) */
.section-glow-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  border: none;
  margin: 0;
}

/* ---- Impact Metrics ---- */
.impact {
  background: var(--color-bg-primary);
}

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

.impact__metric {
  padding: var(--space-8);
}

.impact__metric-value {
  font-size: clamp(var(--text-5xl), 6vw, var(--text-7xl));
  font-weight: var(--weight-black);
  line-height: var(--leading-none);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.impact__metric-label {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-top: var(--space-3);
}

.impact__metric-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  line-height: var(--leading-relaxed);
}

/* ---- Timeline Section ---- */
.timeline {
  background: var(--color-bg-secondary);
}

.timeline__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.timeline__track {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline__line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 40px;
  width: 1px;
  background: var(--color-border);
}

.timeline__phase {
  position: relative;
  display: flex;
  gap: var(--space-8);
  padding: var(--space-8) 0;
}

.timeline__phase-marker {
  flex-shrink: 0;
  width: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timeline__phase-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-text-primary);
  border: 3px solid var(--color-bg-secondary);
  box-shadow: 0 0 0 1px var(--color-text-muted);
  z-index: 2;
}

.timeline__phase-weeks {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  white-space: nowrap;
}

.timeline__phase-content {
  flex: 1;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.timeline__phase:last-child .timeline__phase-content {
  border-bottom: none;
}

.timeline__phase-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
}

.timeline__phase-deliverables {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

/* ---- Credibility / Social Proof Section ---- */
.credibility {
  background: var(--color-bg-primary);
  position: relative;
}

.credibility__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.credibility__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

.credibility__stat {
  text-align: center;
  padding: var(--space-8);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.credibility__stat-value {
  font-size: var(--text-4xl);
  font-weight: var(--weight-black);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: var(--leading-none);
}

.credibility__stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.credibility__founder {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-8);
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.credibility__founder-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.03));
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-muted);
}

.credibility__founder-name {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-1);
}

.credibility__founder-role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.credibility__founder-bio {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ---- Lead Magnet / Mid-Funnel CTA ---- */
.lead-magnet {
  background: var(--color-bg-tertiary);
  position: relative;
  overflow: hidden;
}

.lead-magnet::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, transparent 50%, rgba(255,255,255,0.01) 100%);
  pointer-events: none;
}

.lead-magnet__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
}

.lead-magnet__content {
  /* text side */
}

.lead-magnet__icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
  opacity: 0.8;
}

.lead-magnet__title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
  letter-spacing: var(--tracking-tight);
}

.lead-magnet__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.lead-magnet__checklist {
  margin-bottom: var(--space-6);
}

.lead-magnet__check-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-2) 0;
}

.lead-magnet__check-item::before {
  content: '';
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(42,157,143,0.15);
  border: 1px solid rgba(42,157,143,0.3);
  flex-shrink: 0;
  position: relative;
}

.lead-magnet__form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.lead-magnet__form-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-6);
  text-align: center;
}

/* ---- Contact Form ---- */
.contact-form {
  max-width: 560px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: border-color var(--duration-normal) var(--ease-out);
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-border-active);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.05);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23606070' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  text-align: center;
}

/* ---- Calendly placeholder ---- */
.calendly-placeholder {
  padding: var(--space-8);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  margin-top: var(--space-8);
}

.calendly-placeholder__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
}

.calendly-placeholder__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---- Why Entropsy Section ---- */
.differentiators {
  background: var(--color-bg-secondary);
}

.differentiators__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

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

.diff-card {
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out);
}

.diff-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.diff-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
}

.diff-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ---- Competitors Section ---- */
.competitors__table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-8);
}

.competitors__table th,
.competitors__table td {
  text-align: left;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.competitors__table th {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.competitors__table td:first-child {
  font-weight: var(--weight-semibold);
  white-space: nowrap;
}

.competitors__table td:last-child {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.competitors__table tr.competitors__row--highlight td {
  color: var(--color-text-primary);
  font-weight: var(--weight-medium);
}

.competitors__table tr.competitors__row--highlight {
  background: rgba(255,255,255,0.04);
  border-left: 2px solid var(--color-text-primary);
}

.competitors__table tr.competitors__row--highlight td:first-child {
  font-weight: var(--weight-bold);
}

/* ---- Industries Section ---- */
.industries {
  background: var(--color-bg-primary);
}

.industries__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.industries__tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-12);
}

.industries__tab {
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
}

.industries__tab:hover {
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
}

.industries__tab--active {
  background: var(--color-text-primary);
  color: var(--color-bg-primary);
  border-color: var(--color-text-primary);
}

.industry-panel {
  display: none;
  animation: fadeSlideUp 0.5s var(--ease-out);
}

.industry-panel--active {
  display: block;
}

.industry-panel__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.industry-panel__stat {
  font-size: var(--text-5xl);
  font-weight: var(--weight-black);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.industry-panel__meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: right;
}

.industry-panel__evidence {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.evidence-item {
  padding: var(--space-5);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.industry-panel__services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.industry-service {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.industry-service__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.industry-service__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
}

.industry-service__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ---- Urgency / CTA Section ---- */
.urgency {
  background: var(--color-bg-primary);
  text-align: center;
  padding: var(--space-40) 0;
  position: relative;
  overflow: hidden;
}

.urgency__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  z-index: 0;
}

.urgency__content {
  position: relative;
  z-index: 1;
}

.urgency__dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: var(--space-8);
}

.urgency__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-text-primary);
  opacity: 0.5;
}

.urgency__dot:first-child {
  border-radius: 30% 70% 20% 80% / 60% 30% 70% 40%;
  transform: rotate(-15deg);
}

.urgency__dot:nth-child(2) {
  border-radius: 40% 55% 45% 60% / 55% 40% 60% 45%;
  transform: rotate(8deg);
}

.urgency__title {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-6);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.urgency__subtitle {
  font-size: clamp(var(--text-lg), 2vw, var(--text-xl));
  color: var(--color-text-secondary);
  margin-bottom: var(--space-12);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- Footer ---- */
.footer {
  background: var(--color-bg-secondary);
  padding: var(--space-16) 0 var(--space-8);
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer__contact {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: right;
}

.footer__contact a:hover {
  color: var(--color-text-primary);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---- Reveal Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 100ms; }
.reveal--delay-2 { transition-delay: 200ms; }
.reveal--delay-3 { transition-delay: 300ms; }
.reveal--delay-4 { transition-delay: 400ms; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: 1fr;
  }

  .impact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

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

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

  .credibility__founder {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .credibility__founder-avatar {
    margin: 0 auto;
  }

  .lead-magnet__inner {
    grid-template-columns: 1fr;
  }

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

  .paradox__col--trap {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }

  .nav__burger {
    display: flex;
  }

  .hero__title {
    font-size: clamp(var(--text-4xl), 14vw, var(--text-6xl));
  }

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

  .timeline__line {
    left: 20px;
  }

  .timeline__phase-marker {
    width: 40px;
  }

  .timeline__phase {
    gap: var(--space-4);
  }

  .competitors__table {
    font-size: var(--text-sm);
  }

  .competitors__table th,
  .competitors__table td {
    padding: var(--space-3) var(--space-4);
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .footer__contact {
    text-align: center;
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    --gutter: 1.25rem;
    --section-pad: clamp(3rem, 8vh, 5rem);
  }

  .industries__tabs {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: var(--space-2);
  }

  .industries__tabs::-webkit-scrollbar {
    display: none;
  }

  .industries__tab {
    white-space: nowrap;
    flex-shrink: 0;
  }
}