/* ========== DESIGN TOKENS ========== */
:root {
  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

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

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}

/* ========== LIGHT MODE (Default) ========== */
:root,
[data-theme='light'] {
  /* Surfaces — warm off-white with earthy undertone */
  --color-bg: #f5f2ec;
  --color-surface: #faf8f4;
  --color-surface-2: #ffffff;
  --color-surface-offset: #ece8e0;
  --color-divider: #d8d3c9;
  --color-border: #ccc7bc;

  /* Text */
  --color-text: #1a1a18;
  --color-text-muted: #5a5850;
  --color-text-faint: #9a978f;
  --color-text-inverse: #f5f2ec;

  /* Primary — deep forest green (matches lead magnet) */
  --color-primary: #2d4a2e;
  --color-primary-hover: #1e3520;
  --color-primary-active: #142414;

  /* Accent — warm amber/gold (matches lead magnet) */
  --color-accent: #c8922a;
  --color-accent-hover: #a87720;
  --color-accent-active: #8a6018;

  /* Warning — fire orange */
  --color-warning: #c44b1a;

  /* Shadows */
  --shadow-sm: 0 1px 2px oklch(0.2 0.02 60 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.2 0.02 60 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.2 0.02 60 / 0.12);
}

/* ========== DARK MODE ========== */
[data-theme='dark'] {
  --color-bg: #141312;
  --color-surface: #1c1b18;
  --color-surface-2: #222120;
  --color-surface-offset: #1a1918;
  --color-divider: #2a2926;
  --color-border: #3a3835;

  --color-text: #d4d2cc;
  --color-text-muted: #8a8880;
  --color-text-faint: #5a5955;
  --color-text-inverse: #1a1a18;

  --color-primary: #5a8f5c;
  --color-primary-hover: #6ca06e;
  --color-primary-active: #4a7a4c;

  --color-accent: #daa84a;
  --color-accent-hover: #e6b960;
  --color-accent-active: #c89830;

  --color-warning: #e06030;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #141312;
    --color-surface: #1c1b18;
    --color-surface-2: #222120;
    --color-surface-offset: #1a1918;
    --color-divider: #2a2926;
    --color-border: #3a3835;
    --color-text: #d4d2cc;
    --color-text-muted: #8a8880;
    --color-text-faint: #5a5955;
    --color-text-inverse: #1a1a18;
    --color-primary: #5a8f5c;
    --color-primary-hover: #6ca06e;
    --color-primary-active: #4a7a4c;
    --color-accent: #daa84a;
    --color-accent-hover: #e6b960;
    --color-accent-active: #c89830;
    --color-warning: #e06030;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
  }
}

/* ========== LAYOUT ========== */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

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

section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

/* ========== HEADER ========== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  transition: box-shadow 0.3s var(--ease-out);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
}

.header__logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.header__logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.2;
}

.header__logo-text span {
  color: var(--color-accent);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.header__nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-interactive);
}

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

.header__cta {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse) !important;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none !important;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}

.header__cta:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.header__cta:active {
  transform: translateY(0);
}

.header__theme-toggle {
  color: var(--color-text-muted);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.header__theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

.header__mobile-toggle {
  display: none;
  color: var(--color-text);
  padding: var(--space-2);
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-block: var(--space-16);
}

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

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    oklch(from var(--color-bg) l c h / 0.95) 0%,
    oklch(from var(--color-bg) l c h / 0.85) 35%,
    oklch(from var(--color-bg) l c h / 0.5) 60%,
    oklch(from var(--color-bg) l c h / 0.2) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 620px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: oklch(from var(--color-accent) l c h / 0.15);
  border: 1px solid oklch(from var(--color-accent) l c h / 0.3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-6);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 520px;
  line-height: 1.5;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

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

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

.btn--accent {
  background: var(--color-accent);
  color: #fff;
}

.btn--accent:hover {
  background: var(--color-accent-hover);
}

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

.btn--outline:hover {
  background: var(--color-surface-offset);
  border-color: var(--color-text-muted);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* ========== PROBLEM SECTION ========== */
.problem {
  background: var(--color-surface);
}

.problem__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.problem__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.problem__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16/10;
}

.problem__kicker {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-warning);
  margin-bottom: var(--space-3);
}

.problem__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.problem__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.problem__stat-row {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-6);
}

.problem__stat {
  display: flex;
  flex-direction: column;
}

.problem__stat-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-warning);
}

.problem__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ========== SOLUTION SECTION ========== */
.solution {
  background: var(--color-bg);
}

.solution__header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.solution__kicker {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.solution__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.solution__subtitle {
  color: var(--color-text-muted);
}

/* ========== Zone Diagram ========== */
.zone-diagram {
  max-width: 800px;
  margin: 0 auto var(--space-10);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #1a3a1c;
  padding: var(--space-8) var(--space-6);
}

.zone-diagram__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #c8922a;
  text-align: center;
  margin-bottom: var(--space-6);
}

.zone-diagram__visual {
  position: relative;
  width: 100%;
  aspect-ratio: 8 / 5;
  max-width: 600px;
  margin: 0 auto;
}

/* Concentric zone rings */
.zone-ring {
  position: absolute;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.zone-ring--2 {
  width: 92%;
  height: 92%;
  background: rgba(61, 107, 63, 0.3);
  border: 1.5px dashed rgba(90, 138, 92, 0.6);
}

.zone-ring--1 {
  width: 58%;
  height: 58%;
  background: rgba(74, 125, 76, 0.4);
  border: 1.5px dashed rgba(109, 160, 111, 0.6);
}

.zone-ring--0 {
  width: 26%;
  height: 26%;
  background: rgba(200, 146, 42, 0.2);
  border: 2px solid rgba(200, 146, 42, 0.7);
}

/* House at center */
.zone-diagram__house {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

/* Zone labels */
.zone-label {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 14px;
  border-radius: 8px;
  z-index: 3;
  white-space: nowrap;
}

.zone-label__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
}

.zone-label__dist {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.7rem;
  color: #e8dcc8;
}

.zone-label--0 {
  top: 12%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(200, 146, 42, 0.15);
  border: 1px solid #c8922a;
}
.zone-label--0 .zone-label__name { color: #c8922a; }

.zone-label--1 {
  top: 22%;
  left: 10%;
  background: rgba(109, 160, 111, 0.15);
  border: 1px solid #6da06f;
}
.zone-label--1 .zone-label__name { color: #6da06f; }

.zone-label--2 {
  top: 10%;
  right: 4%;
  background: rgba(90, 138, 92, 0.15);
  border: 1px solid #5a8a5c;
}
.zone-label--2 .zone-label__name { color: #5a8a5c; }

/* Legend */
.zone-diagram__legend {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

.zone-legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: #a8b4a0;
  line-height: 1.4;
}

.zone-legend-item strong {
  color: #e8dcc8;
  display: block;
}

.zone-legend-item__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}

.zone-legend-item--0 .zone-legend-item__dot {
  background: rgba(200, 146, 42, 0.3);
  border: 1.5px solid #c8922a;
}
.zone-legend-item--1 .zone-legend-item__dot {
  background: rgba(109, 160, 111, 0.3);
  border: 1.5px solid #6da06f;
}
.zone-legend-item--2 .zone-legend-item__dot {
  background: rgba(90, 138, 92, 0.3);
  border: 1.5px solid #5a8a5c;
}

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

.zone-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}

.zone-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.zone-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

.zone-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.zone-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ========== SYSTEM DETAIL ========== */
.system-detail {
  background: var(--color-surface);
}

.system-detail__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.system-detail__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.system-detail__image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.system-detail__kicker {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.system-detail__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.system-detail__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.system-detail__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.system-detail__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.system-detail__list li svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  margin-top: 2px;
}

/* ========== COURSE MODULES ========== */
.modules {
  background: var(--color-bg);
}

.modules__header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.modules__kicker {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.modules__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.modules__subtitle {
  color: var(--color-text-muted);
}

.modules__dual {
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--text-base);
  margin-top: var(--space-2);
}

.book-section {
  padding-block: clamp(var(--space-12), 5vw, var(--space-20));
}

.book-section .credentials__inner {
  grid-template-columns: 300px 1fr;
  align-items: center;
}

.book-section .credentials__photo {
  width: 300px;
  height: auto;
  aspect-ratio: auto;
  background: transparent;
  border-radius: 0;
  overflow: visible !important;
}

.book-section .credentials__photo img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 0;
  box-shadow: none;

}

@media (max-width: 900px) {
  .book-section .credentials__inner {
    grid-template-columns: 1fr;
  }
  .book-section .credentials__photo {
    width: 240px;
    margin-inline: auto;
  }
}

.modules__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: var(--content-default);
  margin-inline: auto;
}

.module-item {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  transition: box-shadow var(--transition-interactive);
}

.module-item:hover {
  box-shadow: var(--shadow-sm);
}

.module-item__number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--color-primary);
}

.module-item__content {
  min-width: 0;
}

.module-item__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  margin-bottom: 2px;
}

.module-item__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.module-item__tag {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  white-space: nowrap;
}

.module-item--bonus .module-item__number {
  background: oklch(from var(--color-accent) l c h / 0.12);
  color: var(--color-accent);
}

/* ========== DUAL POSITIONING ========== */
.dual {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

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

.dual__card {
  padding: var(--space-8);
  background: oklch(from #fff l c h / 0.08);
  border-radius: var(--radius-lg);
  border: 1px solid oklch(from #fff l c h / 0.12);
}

.dual__card-icon {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.dual__card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.dual__card-text {
  font-size: var(--text-sm);
  opacity: 0.85;
  line-height: 1.6;
}

.dual__header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.dual__kicker {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.7;
  margin-bottom: var(--space-3);
}

.dual__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
}

/* ========== CREDENTIALS ========== */
.credentials {
  background: var(--color-surface);
}

.credentials__inner {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-10);
  align-items: start;
  max-width: var(--content-default);
  margin-inline: auto;
}

.credentials__photo {
  width: 200px;
  height: 200px;
  border-radius: var(--radius-lg);
  background: var(--color-surface-offset);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.credentials__photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  text-align: center;
  padding: var(--space-4);
}

.credentials__kicker {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.credentials__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.credentials__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.credentials__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.credential-stat {
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  text-align: center;
}

.credential-stat__value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--color-primary);
}

.credential-stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ========== LEAD MAGNET ========== */
.lead-magnet {
  background: var(--color-bg);
}

.lead-magnet__card {
  max-width: var(--content-default);
  margin-inline: auto;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  padding: var(--space-10);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}

.lead-magnet__kicker {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.lead-magnet__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.lead-magnet__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.lead-magnet__form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.lead-magnet__form .formkit-alert { width: 100%; margin: 0; padding: var(--space-3); border-radius: var(--radius-md); font-size: var(--text-sm); list-style: none; }
.lead-magnet__form .formkit-alert-success { background: #d3fbeb; border: 1px solid #10bf7a; color: #0c905c; display: block; }
.lead-magnet__form .formkit-alert-error { background: #fde8e2; border: 1px solid #f2643b; color: #ea4110; }

/* Hide Kit's default branding */
.formkit-powered-by-convertkit-container { display: none !important; }

.lead-magnet__success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  padding: var(--space-8) var(--space-6);
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  color: #fff;
  line-height: 1.6;
  animation: successPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.lead-magnet__success svg {
  flex-shrink: 0;
  color: var(--color-accent);
  width: 48px;
  height: 48px;
}
.lead-magnet__success p {
  margin: 0;
  font-size: var(--text-lg);
}
.lead-magnet__success strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
  color: var(--color-accent);
}
@keyframes successPop {
  0% { opacity: 0; transform: scale(0.9); }
  100% { opacity: 1; transform: scale(1); }
}

.lead-magnet__input {
  flex: 1 1 180px;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  transition: border-color var(--transition-interactive);
}

.lead-magnet__input:focus {
  border-color: var(--color-primary);
  outline: none;
}

.lead-magnet__preview {
  display: flex;
  align-items: center;
  justify-content: center;
}

.lead-magnet__preview-card {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  color: var(--color-text-inverse);
  max-width: 280px;
  box-shadow: var(--shadow-lg);
}

.lead-magnet__preview-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.lead-magnet__preview-subtitle {
  font-size: var(--text-xs);
  opacity: 0.8;
  margin-bottom: var(--space-4);
}

.lead-magnet__preview-format {
  font-size: var(--text-xs);
  opacity: 0.6;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ========== BOOK WAITLIST FORM ========== */
.book-waitlist-form {
  margin-top: var(--space-4);
}

.book-waitlist-form__fields {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.book-waitlist-form .lead-magnet__input {
  flex: 1 1 160px;
}

.book-waitlist-form .formkit-alert { width: 100%; margin: 0; padding: var(--space-3); border-radius: var(--radius-md); font-size: var(--text-sm); list-style: none; }
.book-waitlist-form .formkit-alert-error { background: #fde8e2; border: 1px solid #f2643b; color: #ea4110; }

.book-waitlist__success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  padding: var(--space-8) var(--space-6);
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  color: #fff;
  line-height: 1.6;
  animation: successPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.book-waitlist__success svg {
  flex-shrink: 0;
  color: var(--color-accent);
  width: 48px;
  height: 48px;
}
.book-waitlist__success p {
  margin: 0;
  font-size: var(--text-lg);
}
.book-waitlist__success strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
  color: var(--color-accent);
}

@media (max-width: 640px) {
  .book-waitlist-form__fields {
    flex-direction: column;
  }
}

/* ========== CTA SECTION ========== */
.cta-section {
  background: var(--color-surface-offset);
  text-align: center;
}

.cta-section__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
}

.cta-section__text {
  color: var(--color-text-muted);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

.cta-section__price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.cta-section__price-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

/* ========== FAQ ========== */
.faq {
  background: var(--color-bg);
}

.faq__header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.faq__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
}

.faq__list {
  max-width: var(--content-default);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq__item {
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq__question {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: var(--text-base);
  text-align: left;
  color: var(--color-text);
  background: var(--color-surface);
  cursor: pointer;
  transition: background var(--transition-interactive);
}

.faq__question:hover {
  background: var(--color-surface-offset);
}

.faq__question svg {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  transition: transform 0.3s var(--ease-out);
  flex-shrink: 0;
}

.faq__item.active .faq__question svg {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s var(--ease-out);
}

.faq__answer-inner {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-10);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.footer__links {
  display: flex;
  gap: var(--space-6);
}

.footer__links a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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

/* ========== SCROLL ANIMATIONS ========== */
.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .problem__grid,
  .system-detail__grid,
  .dual__grid,
  .lead-magnet__card {
    grid-template-columns: 1fr;
  }

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

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

  .credentials__photo {
    margin-inline: auto;
  }

  .credentials__stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .lead-magnet__preview {
    order: -1;
  }
}

@media (max-width: 640px) {
  .header__nav {
    display: none;
  }

  .header__mobile-toggle {
    display: block;
  }

  .hero__title {
    font-size: var(--text-2xl);
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .module-item {
    grid-template-columns: 40px 1fr;
    gap: var(--space-3);
  }

  .module-item__number {
    width: 40px;
    height: 40px;
    font-size: var(--text-base);
  }

  .module-item__tag {
    display: none;
  }

  .lead-magnet__form {
    flex-direction: column;
  }

  .problem__stat-row {
    flex-direction: column;
    gap: var(--space-4);
  }

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

  .footer__inner {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .zone-diagram {
    padding: var(--space-6) var(--space-4);
  }

  .zone-diagram__legend {
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
  }

  .zone-label__name {
    font-size: 0.7rem;
  }

  .zone-label__dist {
    font-size: 0.6rem;
  }

  .zone-label {
    padding: 4px 10px;
  }

  .zone-label--1 {
    left: 2%;
  }

  .zone-label--2 {
    right: 0%;
  }
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.mobile-nav__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  color: var(--color-text);
  padding: var(--space-2);
}