/* ============================================
   Capalux Landing Page — Shared Stylesheet
   Pure CSS, mobile-first responsive design.
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand colors — sampled from logo (navy “Capa”, emerald “lux”) */
  --color-primary: #2d4054;
  --color-primary-light: #3d5a6f;
  --color-primary-dark: #1a2633;
  --color-primary-rgb: 45, 64, 84;
  --color-primary-dark-rgb: 26, 38, 51;

  --color-accent: #2d9a6a;
  --color-accent-light: #6dd4a8;
  --color-accent-dark: #1f7550;
  --color-accent-rgb: 45, 154, 106;

  --color-success: #2d9a6a;
  --color-warning: #f39c12;
  --color-danger: #e74c3c;

  /* Neutrals */
  --color-white: #ffffff;
  --color-off-white: #f9f9f8;
  --color-light-gray: #e9ecef;
  --color-gray: #6d7676;
  --color-dark-gray: #343a40;
  --color-black: #212529;

  /* Typography */
  --font-primary: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-heading: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.75rem;
  --font-size-5xl: 3.5rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Nav height */
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-black);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-dark);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

/* ---------- Utility Classes ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.section {
  padding: var(--space-4xl) 0;
}

.section--alt {
  background-color: var(--color-off-white);
}

.text-center {
  text-align: center;
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray);
  max-width: 640px;
  margin: 0 auto var(--space-3xl) auto;
  line-height: 1.7;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-primary);
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1.4;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--outline:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn--outline-dark {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline-dark:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--font-size-lg);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-sm);
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
  background-color: transparent;
}

.nav--scrolled,
.nav--over-light {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav__logo img {
  height: 56px;
  width: auto;
  border-radius: 8px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  position: relative;
  min-width: 0;
}

@media (min-width: 769px) {
  .nav__links {
    z-index: 2;
  }
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav--scrolled .nav__link,
.nav--over-light .nav__link {
  color: var(--color-dark-gray);
}

.nav__link:hover {
  color: var(--color-white);
}

.nav--scrolled .nav__link:hover,
.nav--over-light .nav__link:hover {
  color: var(--color-accent);
}

/* Language Switcher */
.lang-switcher {
  position: relative;
}

.lang-switcher__btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--border-radius);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
}

.lang-switcher__btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

.nav--scrolled .lang-switcher__btn,
.nav--over-light .lang-switcher__btn {
  background: var(--color-off-white);
  border-color: var(--color-light-gray);
  color: var(--color-dark-gray);
}

.lang-switcher__btn svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.lang-switcher.open .lang-switcher__btn svg {
  transform: rotate(180deg);
}

.lang-switcher__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  background: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  overflow: hidden;
  z-index: 100;
}

.lang-switcher.open .lang-switcher__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-switcher__option {
  display: block;
  padding: 10px 16px;
  color: var(--color-dark-gray);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.lang-switcher__option:hover {
  background-color: var(--color-off-white);
  color: var(--color-accent);
}

.lang-switcher__option--active {
  color: var(--color-accent);
  font-weight: 600;
  background-color: var(--color-off-white);
}

/* Mobile Nav */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav--scrolled .nav__hamburger span,
.nav--over-light .nav__hamburger span {
  background: var(--color-dark-gray);
}

.nav__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Nav CTA */
.nav__cta {
  margin-left: var(--space-sm);
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: var(--space-sm);
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.nav__cta .btn {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-sm);
}

.nav--scrolled .nav__cta .btn--outline,
.nav--over-light .nav__cta .btn--outline,
.nav--over-light .nav__actions .btn--outline {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.nav--scrolled .nav__cta .btn--outline:hover,
.nav--over-light .nav__cta .btn--outline:hover,
.nav--over-light .nav__actions .btn--outline:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(var(--color-accent-rgb), 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -10%;
  width: 50%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(var(--color-accent-rgb), 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {
  padding: var(--space-3xl) 0;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 16px;
  background: rgba(var(--color-accent-rgb), 0.15);
  border: 1px solid rgba(var(--color-accent-rgb), 0.3);
  border-radius: var(--border-radius-full);
  color: var(--color-accent-light);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-xl);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-size: var(--font-size-5xl);
  color: var(--color-white);
  margin-bottom: var(--space-lg);
  letter-spacing: -1px;
  line-height: 1.1;
}

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

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--space-2xl);
  max-width: 520px;
  line-height: 1.7;
}

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

.hero__stats {
  display: flex;
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-white);
}

.hero__stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  margin-top: 2px;
}

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

.hero__image img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 100%;
}

.hero__image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: rgba(255, 255, 255, 0.05);
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.3);
  font-size: var(--font-size-sm);
}

/* ---------- Features Section ---------- */
.features {
  padding: var(--space-4xl) 0;
}

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

.feature-card {
  padding: var(--space-2xl);
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-light-gray);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}

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

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius);
  background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.1), rgba(var(--color-accent-rgb), 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.feature-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.feature-card__desc {
  font-size: var(--font-size-base);
  color: var(--color-gray);
  line-height: 1.7;
}

/* ---------- Product showcase (screenshots) ---------- */
.showcase {
  padding: var(--space-4xl) 0;
  background-color: var(--color-white);
}

.showcase__intro {
  max-width: 720px;
  margin: 0 auto var(--space-3xl) auto;
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--color-gray);
  line-height: 1.75;
}

.showcase__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-xl);
}

.showcase__item {
  margin: 0;
  background: var(--color-off-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-light-gray);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.showcase__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.showcase__trigger {
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  cursor: zoom-in;
  font: inherit;
  color: inherit;
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  overflow: hidden;
}

.showcase__trigger:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.showcase__trigger:focus:not(:focus-visible) {
  outline: none;
}

.showcase__trigger:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.showcase__item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: top center;
  vertical-align: middle;
}

/* Lightbox (showcase zoom) */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.lightbox.lightbox--open {
  display: flex;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(var(--color-primary-dark-rgb), 0.92);
  cursor: zoom-out;
}

.lightbox__panel {
  position: relative;
  z-index: 1;
  max-width: min(96vw, 1400px);
  max-height: 92vh;
  margin: auto;
}

.lightbox__img {
  display: block;
  max-width: 100%;
  max-height: min(88vh, 1200px);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
}

.lightbox__close {
  position: absolute;
  top: -44px;
  right: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  border-radius: var(--border-radius);
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.28);
}

@media (max-width: 768px) {
  .lightbox__close {
    top: -40px;
    right: -4px;
  }
}

.showcase__caption {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.45;
}

.showcase__caption-desc {
  display: block;
  margin-top: var(--space-xs);
  font-weight: 400;
  color: var(--color-gray);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.hero__image-frame {
  width: 100%;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: rgba(255, 255, 255, 0.06);
}

.hero__image-frame img {
  border-radius: var(--border-radius-lg);
  box-shadow: none;
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- How It Works Section ---------- */
.how-it-works {
  padding: var(--space-4xl) 0;
  background-color: var(--color-off-white);
}

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

.steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(12.5% + 24px);
  right: calc(12.5% + 24px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  z-index: 0;
}

.step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-white);
  font-size: var(--font-size-xl);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg) auto;
  box-shadow: 0 4px 16px rgba(var(--color-accent-rgb), 0.3);
}

.step__icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.step__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.step__desc {
  font-size: var(--font-size-sm);
  color: var(--color-gray);
  line-height: 1.6;
}

/* ---------- Pricing Section ---------- */
.pricing {
  padding: var(--space-4xl) 0;
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  align-items: start;
}

.pricing-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-light-gray);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
}

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

.pricing-card--featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}

.pricing-card--featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-white);
  padding: 4px 20px;
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  white-space: nowrap;
}

.pricing-card__name {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.pricing-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-gray);
  margin-bottom: var(--space-xl);
}

.pricing-card__price {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.pricing-card__price span {
  font-size: var(--font-size-base);
  font-weight: 400;
  color: var(--color-gray);
}

.pricing-card__period {
  font-size: var(--font-size-sm);
  color: var(--color-gray);
  margin-bottom: var(--space-xl);
}

.pricing-card__features {
  margin-bottom: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-light-gray);
}

.pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: var(--font-size-sm);
  color: var(--color-dark-gray);
}

.pricing-card__feature svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--color-success);
  margin-top: 2px;
}

.pricing-card .btn {
  width: 100%;
}

.pricing-card__promo {
  font-size: var(--font-size-sm);
  line-height: 1.5;
  color: var(--color-primary);
  background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.12), rgba(var(--color-accent-rgb), 0.06));
  border: 1px solid rgba(var(--color-accent-rgb), 0.35);
  border-radius: var(--border-radius);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-xl);
}

.pricing-card__promo strong {
  color: var(--color-accent-dark);
  font-weight: 700;
}

.pricing-card__promo-focus {
  font-size: 1.08em;
  letter-spacing: 0.02em;
}

.pricing-card--featured .pricing-card__promo.section-title {
  font-size: var(--font-size-xl);
  line-height: 1.35;
  font-weight: 600;
  margin-top: 0;
  margin-bottom: var(--space-lg);
  text-align: left;
}

.pricing-billing {
  position: relative;
  margin-bottom: var(--space-md);
}

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

.pricing-billing__switch {
  display: flex;
  gap: 0;
  margin-bottom: var(--space-lg);
  padding: 4px;
  background: var(--color-off-white);
  border-radius: var(--border-radius-full);
  border: 1px solid var(--color-light-gray);
}

.pricing-card--featured .pricing-billing__switch {
  background: rgba(255, 255, 255, 0.85);
}

.pricing-billing__pill {
  flex: 1;
  text-align: center;
  padding: 0.5rem 0.75rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray);
  border-radius: var(--border-radius-full);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  user-select: none;
}

.pricing-billing__pill:hover {
  color: var(--color-primary);
}

.pricing-billing__price-block {
  min-height: 5.5rem;
}

.pricing-billing__price-block--yr {
  display: none;
}

.pricing-billing__state#en-pro-bill-yr:checked ~ .pricing-billing__price-block--bi,
.pricing-billing__state#de-pro-bill-yr:checked ~ .pricing-billing__price-block--bi,
.pricing-billing__state#mk-pro-bill-yr:checked ~ .pricing-billing__price-block--bi {
  display: none;
}

.pricing-billing__state#en-pro-bill-yr:checked ~ .pricing-billing__price-block--yr,
.pricing-billing__state#de-pro-bill-yr:checked ~ .pricing-billing__price-block--yr,
.pricing-billing__state#mk-pro-bill-yr:checked ~ .pricing-billing__price-block--yr {
  display: block;
}

.pricing-billing__state#en-pro-bill-bi:checked ~ .pricing-billing__switch label[for="en-pro-bill-bi"],
.pricing-billing__state#en-pro-bill-yr:checked ~ .pricing-billing__switch label[for="en-pro-bill-yr"],
.pricing-billing__state#de-pro-bill-bi:checked ~ .pricing-billing__switch label[for="de-pro-bill-bi"],
.pricing-billing__state#de-pro-bill-yr:checked ~ .pricing-billing__switch label[for="de-pro-bill-yr"],
.pricing-billing__state#mk-pro-bill-bi:checked ~ .pricing-billing__switch label[for="mk-pro-bill-bi"],
.pricing-billing__state#mk-pro-bill-yr:checked ~ .pricing-billing__switch label[for="mk-pro-bill-yr"] {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-white);
  box-shadow: 0 2px 8px rgba(var(--color-accent-rgb), 0.25);
}

/* ---------- Blog Section ---------- */
.blog {
  padding: var(--space-4xl) 0;
  background-color: var(--color-off-white);
}

.blog__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.blog-card__image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--color-primary);
}

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

.blog-card__content {
  padding: var(--space-lg);
}

.blog-card__date {
  font-size: 0.85rem;
  color: var(--color-text-light);
  display: block;
  margin-bottom: var(--space-xs);
}

.blog-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.blog-card__excerpt {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.blog-card__link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

.blog-card__link:hover {
  color: var(--color-primary);
}

/* ---------- Legal Pages (Privacy, Terms) ---------- */
.legal {
  padding: var(--space-4xl) 0;
}

.legal__updated {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-2xl);
}

.legal__content {
  max-width: 800px;
}

.legal__content h2 {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-off-white);
}

.legal__content h3 {
  font-size: var(--font-size-lg);
  color: var(--color-dark-gray);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.legal__content p {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.legal__content ul {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
}

.legal__content li {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--space-xs);
}

.legal__content a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

.legal__content a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ---------- Contact Section ---------- */
.contact {
  padding: var(--space-4xl) 0;
  background-color: var(--color-off-white);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact__info {
  padding: var(--space-xl) 0;
}

.contact__info h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-md);
}

.contact__info p {
  color: var(--color-gray);
  margin-bottom: var(--space-2xl);
  line-height: 1.7;
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact__detail-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius);
  background: rgba(var(--color-accent-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.25rem;
}

.contact__detail-text strong {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  margin-bottom: 2px;
}

.contact__detail-text span {
  font-size: var(--font-size-sm);
  color: var(--color-gray);
}

.contact__form-wrapper {
  background: var(--color-white);
  padding: var(--space-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.form__group {
  margin-bottom: var(--space-lg);
}

.form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-dark-gray);
  margin-bottom: var(--space-sm);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-light-gray);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-family: var(--font-primary);
  color: var(--color-black);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  background: var(--color-white);
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.1);
}

.form__input.error,
.form__textarea.error {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form__error {
  font-size: var(--font-size-sm);
  color: var(--color-danger);
  margin-top: var(--space-xs);
  display: none;
}

.form__error.visible {
  display: block;
}

.form__textarea {
  min-height: 140px;
  resize: vertical;
}

.form__submit {
  width: 100%;
}

.form__success {
  display: none;
  padding: var(--space-lg);
  background: rgba(var(--color-accent-rgb), 0.12);
  border: 1px solid rgba(var(--color-accent-rgb), 0.35);
  border-radius: var(--border-radius);
  text-align: center;
  color: var(--color-success);
  font-weight: 500;
}

.form__success.visible {
  display: block;
}

.form__failure {
  display: none;
  margin-top: var(--space-md);
  padding: var(--space-lg);
  background: rgba(231, 76, 60, 0.08);
  border: 1px solid rgba(231, 76, 60, 0.35);
  border-radius: var(--border-radius);
  text-align: center;
  color: var(--color-danger);
  font-weight: 500;
  line-height: 1.5;
}

.form__failure.visible {
  display: block;
}

.form__submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

/* ---------- Footer ---------- */
.footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-3xl) 0 var(--space-xl) 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand-desc {
  font-size: var(--font-size-sm);
  margin-top: var(--space-md);
  line-height: 1.7;
  max-width: 320px;
}

.footer__logo {
  display: flex;
  align-items: center;
}

.footer__logo img {
  height: 48px;
  width: auto;
  border-radius: 8px;
}

.footer__heading {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-lg);
}

.footer__links li {
  margin-bottom: var(--space-sm);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--font-size-sm);
}

.footer__legal a {
  color: rgba(255, 255, 255, 0.5);
  margin-left: var(--space-lg);
}

.footer__legal a:hover {
  color: var(--color-accent-light);
}

/* ---------- Scroll Reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---------- Responsive ---------- */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.75rem;
    --font-size-4xl: 2.25rem;
    --font-size-3xl: 1.75rem;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .hero__image {
    display: none;
  }

  .hero__content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__stats {
    justify-content: center;
  }

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

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

  .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }

  .steps::before {
    display: none;
  }

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

  .pricing-card:last-child {
    grid-column: 1 / -1;
    max-width: 400px;
    margin: 0 auto;
  }

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

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

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

  .blog__grid .blog-card:last-child {
    grid-column: 1 / -1;
    max-width: 400px;
    margin: 0 auto;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.25rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --space-4xl: 4rem;
  }

  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-2xl);
    gap: var(--space-lg);
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }

  /*
   * Drawer is off-screen when closed. pointer-events alone is not reliable on all engines for
   * fixed full-viewport layers — visibility removes the subtree from hit-testing so links in
   * the page (e.g. blog article cards) stay clickable.
   */
  .nav__links:not(.open) {
    pointer-events: none;
    visibility: hidden;
  }

  .nav__links.open {
    transform: translateX(0);
    pointer-events: auto;
    visibility: visible;
  }

  .nav__links .nav__link {
    color: var(--color-dark-gray);
    font-size: var(--font-size-lg);
  }

  .nav__links .nav__link:hover {
    color: var(--color-accent);
  }

  .nav__links .lang-switcher__btn {
    background: var(--color-off-white);
    border-color: var(--color-light-gray);
    color: var(--color-dark-gray);
  }

  .nav__hamburger {
    display: flex;
  }

  .nav__cta {
    display: none;
  }

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

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

  .steps {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    max-width: 400px;
    margin: 0 auto;
  }

  .pricing__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .pricing-card--featured {
    transform: none;
  }

  .pricing-card--featured:hover {
    transform: translateY(-4px);
  }

  .pricing-card:last-child {
    max-width: none;
  }

  .hero__stats {
    flex-direction: column;
    gap: var(--space-lg);
    align-items: center;
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .hero__actions .btn {
    width: 100%;
    max-width: 300px;
  }

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

  .blog__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .blog__grid .blog-card:last-child {
    max-width: none;
  }

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

  .footer__legal {
    display: flex;
    gap: var(--space-md);
  }

  .footer__legal a {
    margin-left: 0;
  }
}

/* ---------- Print ---------- */
@media print {
  .nav,
  .hero::before,
  .hero::after,
  .nav__hamburger,
  .contact__form-wrapper {
    display: none;
  }

  .hero {
    min-height: auto;
    background: none;
    color: var(--color-black);
    padding: var(--space-xl) 0;
  }

  .hero__title,
  .hero__stat-value {
    color: var(--color-black);
  }

  .hero__subtitle,
  .hero__stat-label {
    color: var(--color-gray);
  }

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

  .pricing-card--featured {
    transform: none;
    border: 2px solid var(--color-black);
  }
}