/* ====================================================================
   BKP Digital Products — Bookkeeping Partner Ltd
   Brand: Dark Green (#0C6E39) + Light Green (#7BBC42), Montserrat
   ==================================================================== */

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

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

/* ===== 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,    4.5rem);

  /* 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;

  /* Fonts — Montserrat only */
  --font-body: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;

  /* 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);
  --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);

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

/* ===== LIGHT MODE (default) ===== */
:root, [data-theme="light"] {
  --color-bg:             #f7f8f6;
  --color-surface:        #ffffff;
  --color-surface-2:      #f1f4ef;
  --color-surface-offset: #e8ede5;

  --color-text:           #000000;
  --color-text-muted:     #4a5548;
  --color-text-faint:     #8a9688;
  --color-text-inverse:   #ffffff;

  --color-primary:        #0C6E39;
  --color-primary-hover:  #095a2e;
  --color-primary-active: #074823;
  --color-primary-light:  #e6f4ec;
  --color-primary-lighter: #d0ecdb;

  --color-secondary:      #7BBC42;
  --color-secondary-hover:#6aab34;
  --color-secondary-light:#eef6e4;

  --color-border:         #d4dbd0;
  --color-divider:        #dfe5db;

  --color-warning:        #c4550a;
  --color-error:          #c03030;

  --shadow-sm: 0 1px 3px rgba(12, 110, 57, 0.06);
  --shadow-md: 0 4px 16px rgba(12, 110, 57, 0.08);
  --shadow-lg: 0 12px 40px rgba(12, 110, 57, 0.12);
  --shadow-card: 0 1px 3px rgba(12, 110, 57, 0.04), 0 6px 24px rgba(12, 110, 57, 0.06);
}

/* ===== DARK MODE ===== */
[data-theme="dark"] {
  --color-bg:             #0f1712;
  --color-surface:        #151e17;
  --color-surface-2:      #1a251c;
  --color-surface-offset: #1e2a20;

  --color-text:           #d4ddd6;
  --color-text-muted:     #8a9e8d;
  --color-text-faint:     #536055;
  --color-text-inverse:   #0f1712;

  --color-primary:        #4fba7a;
  --color-primary-hover:  #3da566;
  --color-primary-active: #2f8f54;
  --color-primary-light:  #1a3024;
  --color-primary-lighter: #152a1e;

  --color-secondary:      #9bd468;
  --color-secondary-hover:#8ac85a;
  --color-secondary-light:#1e3018;

  --color-border:         #2a3d2e;
  --color-divider:        #223328;

  --color-warning:        #e08840;
  --color-error:          #e06060;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.15), 0 6px 24px rgba(0, 0, 0, 0.2);
}

/* System preference fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #0f1712;
    --color-surface:        #151e17;
    --color-surface-2:      #1a251c;
    --color-surface-offset: #1e2a20;
    --color-text:           #d4ddd6;
    --color-text-muted:     #8a9e8d;
    --color-text-faint:     #536055;
    --color-text-inverse:   #0f1712;
    --color-primary:        #4fba7a;
    --color-primary-hover:  #3da566;
    --color-primary-active: #2f8f54;
    --color-primary-light:  #1a3024;
    --color-primary-lighter: #152a1e;
    --color-secondary:      #9bd468;
    --color-secondary-hover:#8ac85a;
    --color-secondary-light:#1e3018;
    --color-border:         #2a3d2e;
    --color-divider:        #223328;
    --color-warning:        #e08840;
    --color-error:          #e06060;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.15), 0 6px 24px rgba(0, 0, 0, 0.2);
  }
}

/* ===== BASE ELEMENTS ===== */
body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.15;
  font-family: var(--font-display);
  font-weight: 700;
}
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }

::selection {
  background: var(--color-primary-light);
  color: var(--color-text);
}

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button { cursor: pointer; background: none; border: none; }
[hidden] { display: none !important; }

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

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

/* ===== SKIP LINK ===== */
.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-4);
  z-index: 200;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus {
  top: var(--space-4);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  white-space: nowrap;
  min-height: 44px;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--primary:active {
  background: var(--color-primary-active);
  transform: translateY(0);
}

.btn--secondary {
  background: var(--color-secondary);
  color: #fff;
}
.btn--secondary:hover {
  background: var(--color-secondary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--secondary:active {
  transform: translateY(0);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary-light);
}

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

.btn--xl {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
  font-weight: 700;
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.3s;
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.header--hidden {
  transform: translateY(-100%);
}

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

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.logo-icon { flex-shrink: 0; }
.logo-text {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.logo-text-sub {
  display: block;
  font-size: 0.6em;
  font-weight: 500;
  letter-spacing: 0.12em;
  opacity: 0.7;
  margin-top: 1px;
}

.header__nav { display: none; }

@media (min-width: 768px) {
  .header__nav { display: block; }
  .mobile-menu-btn { display: none !important; }
}

.nav-list {
  display: flex;
  gap: var(--space-8);
  list-style: none;
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  position: relative;
  padding: var(--space-1) 0;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: width var(--transition-smooth);
}
.nav-link:hover,
.nav-link--active {
  color: var(--color-primary);
}
.nav-link:hover::after,
.nav-link--active::after {
  width: 100%;
}

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

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: var(--color-text);
}
.mobile-menu-btn:hover {
  background: var(--color-surface-2);
}

/* Mobile nav */
.mobile-nav {
  padding: 0 var(--space-6) var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.mobile-nav__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-top: var(--space-4);
}
.mobile-nav__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-md);
}
.mobile-nav__link:hover {
  background: var(--color-surface-2);
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .mobile-nav { display: none !important; }
}

/* ===== HERO ===== */
.hero {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-6);
  padding-bottom: clamp(var(--space-16), 10vw, var(--space-32));
}

.hero__container {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 768px) {
  .hero__container {
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-16);
  }
}

.hero__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-light);
  border-radius: var(--radius-full);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1.08;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}
.hero__title-accent {
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 540px;
  line-height: 1.7;
}

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

.hero__visual {
  display: flex;
  justify-content: center;
}
.hero__graphic {
  max-width: 320px;
  width: 100%;
}
.hero__illustration {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 8px 24px rgba(12, 110, 57, 0.1));
}

@media (max-width: 767px) {
  .hero__visual {
    order: -1;
    max-width: 240px;
    margin: 0 auto;
  }
}

/* ===== PROBLEMS SECTION ===== */
.problems {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-6);
  background: var(--color-surface-2);
}

.problems__container {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.problems__header {
  max-width: 640px;
  margin-bottom: var(--space-12);
}

.problems__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.problems__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.problems__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

@media (min-width: 640px) {
  .problems__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
}

.problem-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-divider);
}

.problem-card__icon {
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}
.problem-card__icon svg {
  width: 40px;
  height: 40px;
}

.problem-card__title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.problem-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

.problems__trust {
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  max-width: 100%;
}

/* ===== PRODUCTS SECTION ===== */
.products {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) var(--space-6);
}

.products__container {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.products__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

.products__count {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.products__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.products__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===== BUNDLE TIERS GRID ===== */
.bundles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-12);
  align-items: stretch;
}
@media (min-width: 640px) {
  .bundles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.bundle-tier {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--color-divider);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-smooth),
              box-shadow var(--transition-smooth);
}
.bundle-tier:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.bundle-tier--featured {
  border: 2px solid var(--color-primary);
  background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-surface) 40%);
  padding: var(--space-10) var(--space-6) var(--space-8);
  box-shadow: var(--shadow-lg);
}
[data-theme="dark"] .bundle-tier--featured {
  background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-surface) 50%);
}
@media (min-width: 640px) {
  .bundle-tier--featured {
    transform: scale(1.05);
    z-index: 2;
  }
  .bundle-tier--featured:hover {
    transform: scale(1.05) translateY(-4px);
  }
}

.bundle-tier__badge {
  position: absolute;
  top: calc(-1 * var(--space-3));
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-secondary);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-1) var(--space-5);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.bundle-tier__header {
  margin-bottom: var(--space-6);
}

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

.bundle-tier__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 280px;
}

.bundle-tier__pricing {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.bundle-tier__price {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.bundle-tier__save {
  display: inline-block;
  background: var(--color-secondary-light);
  color: var(--color-secondary);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}
[data-theme="dark"] .bundle-tier__save {
  color: var(--color-secondary);
}

.bundle-tier__btn {
  width: 100%;
  max-width: 240px;
}

/* ===== CATEGORY FILTER TABS ===== */
.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-10);
  padding: var(--space-2);
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
}

.category-tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition-interactive),
              background var(--transition-interactive);
}
.category-tab:hover {
  color: var(--color-text);
  background: var(--color-surface);
}
.category-tab--active {
  color: var(--color-text-inverse);
  background: var(--color-primary);
  font-weight: 600;
}
.category-tab--active:hover {
  color: var(--color-text-inverse);
  background: var(--color-primary-hover);
}

@media (max-width: 639px) {
  .category-tabs {
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-wrap: nowrap;
  }
  .category-tabs::-webkit-scrollbar { display: none; }
}

/* ===== PRODUCT CATEGORY SECTIONS ===== */
.product-category {
  margin-bottom: var(--space-12);
}
.product-category:last-child {
  margin-bottom: 0;
}

.product-category__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-primary-light);
}

.product-category__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  flex-shrink: 0;
}
.product-category__icon svg {
  width: 20px;
  height: 20px;
}

.product-category__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
}

/* ===== PRODUCT CARDS GRID ===== */
.products__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .products__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .products__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-divider);
  transition: transform var(--transition-smooth),
              box-shadow var(--transition-smooth);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-card__icon {
  color: var(--color-text);
  margin-bottom: var(--space-5);
}
.product-card__icon svg {
  width: 48px;
  height: 48px;
}

.product-card__badge {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  line-height: 1.4;
}

.product-card__title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.product-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: var(--space-4);
}

.product-card .btn {
  align-self: flex-start;
  width: 100%;
  margin-top: auto;
}

/* ===== LEAD MAGNET SECTION ===== */
.lead-magnet {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-6);
  background: var(--color-primary);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.lead-magnet::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.lead-magnet__container {
  position: relative;
  max-width: var(--content-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

@media (min-width: 768px) {
  .lead-magnet__container {
    grid-template-columns: 1.3fr 0.7fr;
    gap: var(--space-16);
  }
}

.lead-magnet__badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-1) var(--space-3);
  background: rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.lead-magnet__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: #fff;
  line-height: 1.2;
}

.lead-magnet__desc {
  font-size: var(--text-base);
  opacity: 0.9;
  margin-bottom: var(--space-8);
  max-width: 540px;
  line-height: 1.7;
}

.lead-form__fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .lead-form__fields {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: var(--space-3);
  }
}

.lead-form__input {
  padding: var(--space-3) var(--space-4);
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-size: var(--text-sm);
  min-height: 48px;
  width: 100%;
}
.lead-form__input::placeholder {
  color: rgba(255,255,255,0.6);
}
.lead-form__input:focus {
  outline: none;
  border-color: #fff;
  background: rgba(255,255,255,0.18);
}

.lead-form__submit {
  background: #fff;
  color: var(--color-primary);
  font-weight: 700;
  border: none;
  white-space: nowrap;
}
[data-theme="dark"] .lead-form__submit {
  background: #fff;
  color: #0C6E39;
}
.lead-form__submit:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.lead-form__disclaimer {
  font-size: var(--text-xs);
  opacity: 0.7;
  margin-top: var(--space-3);
}

.lead-form__success {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}
.lead-form__success svg {
  width: 48px;
  height: 48px;
}
.lead-form__success svg circle { fill: rgba(255,255,255,0.2); stroke: #fff; }
.lead-form__success svg path { stroke: #fff; }
.lead-form__success-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: #fff;
}
.lead-form__success-text {
  font-size: var(--text-base);
  opacity: 0.9;
}

.lead-magnet__visual {
  display: flex;
  justify-content: center;
}
.lead-magnet__illustration {
  width: 100%;
  max-width: 240px;
  height: auto;
  opacity: 0.9;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.15));
}
/* Override SVG colours in lead section for contrast */
.lead-magnet__illustration rect,
.lead-magnet__illustration path {
  stroke: rgba(255,255,255,0.7);
}
.lead-magnet__illustration text {
  fill: rgba(255,255,255,0.9);
}
.lead-magnet__illustration circle {
  fill: rgba(255,255,255,0.15);
}
.lead-magnet__illustration circle + text { fill: rgba(255,255,255,0.8); }
.lead-magnet__illustration rect[fill] {
  fill: rgba(255,255,255,0.08);
}
.lead-magnet__illustration rect[rx="8"]:first-child {
  fill: rgba(255,255,255,0.06);
}
.lead-magnet__illustration rect[rx="2"] {
  fill: rgba(255,255,255,0.12);
}

@media (max-width: 767px) {
  .lead-magnet__visual {
    order: -1;
    max-width: 180px;
    margin: 0 auto;
  }
}

/* ===== ABOUT SECTION ===== */
.about {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-6);
}

.about__container {
  max-width: var(--content-default);
  margin: 0 auto;
}

.about__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.about__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}
.about__text:last-of-type {
  margin-bottom: var(--space-8);
}

.about__credentials {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .about__credentials {
    flex-direction: row;
    gap: var(--space-8);
  }
}

.credential {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.credential svg {
  flex-shrink: 0;
}

/* ===== PRIVACY SECTION ===== */
.privacy {
  padding: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-6);
  background: var(--color-surface-2);
}

.privacy__container {
  max-width: var(--content-default);
  margin: 0 auto;
}

.privacy__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.privacy__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.privacy__list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  padding-left: var(--space-6);
  position: relative;
}
.privacy__list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* ===== FOOTER ===== */
.footer {
  padding: var(--space-12) var(--space-6) var(--space-8);
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-divider);
}

.footer__container {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.footer__top {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-divider);
}

@media (min-width: 640px) {
  .footer__top {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
}
.footer__logo .logo-text {
  font-size: var(--text-sm);
  font-weight: 700;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
}
.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer__links a:hover {
  color: var(--color-primary);
}

.footer__social {
  display: flex;
  gap: var(--space-4);
}
.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer__social-link:hover {
  background: var(--color-surface-offset);
  color: var(--color-primary);
}

.footer__bottom {
  text-align: center;
}
.footer__legal {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
  max-width: 100%;
}
.footer__licensing {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
  max-width: 100%;
  font-weight: 500;
}
.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  max-width: 100%;
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}
.modal-overlay[hidden] { display: none; }

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  max-width: 440px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.modal__close:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

.modal__icon {
  margin-bottom: var(--space-5);
  display: flex;
  justify-content: center;
}
.modal__icon svg {
  width: 56px;
  height: 56px;
}

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

.modal__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-6);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.modal-form__input {
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: var(--text-sm);
  min-height: 48px;
  width: 100%;
}
.modal-form__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.modal-form__submit {
  width: 100%;
}

.modal-form__success {
  padding: var(--space-4);
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--text-sm);
}

/* ===== SCROLL REVEAL ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger cards within grids */
.problems__grid [data-reveal]:nth-child(2) { transition-delay: 0.1s; }
.problems__grid [data-reveal]:nth-child(3) { transition-delay: 0.2s; }

.products__grid [data-reveal]:nth-child(2),
.bundles-grid [data-reveal]:nth-child(2) { transition-delay: 0.08s; }
.products__grid [data-reveal]:nth-child(3),
.bundles-grid [data-reveal]:nth-child(3) { transition-delay: 0.16s; }
.products__grid [data-reveal]:nth-child(4) { transition-delay: 0.06s; }
.products__grid [data-reveal]:nth-child(5) { transition-delay: 0.12s; }

/* ===== CONTENT VISIBILITY FOR PERFORMANCE ===== */
.products,
.lead-magnet,
.about,
.privacy,
.footer {
  content-visibility: auto;
  contain-intrinsic-size: auto 600px;
}

/* ===== LEAD FORM ERROR STATE ===== */
.lead-form__error {
  font-size: var(--text-xs);
  color: #fff;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-top: var(--space-2);
  line-height: 1.5;
}

/* ===== THANK-YOU SECTION ===== */
.thank-you {
  padding: clamp(var(--space-16), 10vw, var(--space-32)) var(--space-6);
  background: var(--color-primary-light);
  border-top: 4px solid var(--color-primary);
}

.thank-you__container {
  max-width: var(--content-narrow);
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.thank-you__icon svg {
  filter: drop-shadow(0 4px 16px rgba(12, 110, 57, 0.2));
}

[data-theme="dark"] .thank-you__icon svg circle:first-child {
  fill: var(--color-primary-light);
}
[data-theme="dark"] .thank-you__icon svg path {
  stroke: var(--color-primary);
}

.thank-you__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 0;
}

.thank-you__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 52ch;
}

/* ===== EXPANDED PRIVACY STYLES ===== */
.privacy__block {
  margin-bottom: var(--space-8);
}
.privacy__block:last-child {
  margin-bottom: 0;
}

.privacy__subtitle {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-divider);
}

.privacy__para {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-2);
}

.privacy__link {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.privacy__link:hover {
  color: var(--color-primary-hover);
}

/* ===== COOKIE CONSENT BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 300;
  background: var(--color-surface);
  border-top: 2px solid var(--color-primary);
  box-shadow: 0 -4px 24px rgba(12, 110, 57, 0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
}
.cookie-banner[hidden] { display: none; }

.cookie-banner__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  max-width: 640px;
  flex: 1;
}

.cookie-banner__btn {
  padding: var(--space-2) var(--space-6);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  min-height: 40px;
  transition: background var(--transition-interactive);
}
.cookie-banner__btn:hover {
  background: var(--color-primary-hover);
}

@media (max-width: 639px) {
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .cookie-banner__btn {
    align-self: flex-end;
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .header, .footer, .modal-overlay, .theme-toggle, .mobile-menu-btn, .cookie-banner { display: none !important; }
  body { color: #000; background: #fff; }
  .hero, .problems, .products, .lead-magnet, .about, .privacy { padding: 1rem 0; }
}