:root {
  --bg-primary: #F6F8FC;
  --bg-surface: #FFFFFF;
  --bg-surface-hover: #F8FAFD;
  --border-color: rgba(16, 32, 56, 0.08);
  --border-color-hover: rgba(16, 32, 56, 0.15);
  
  --text-primary: #102038;
  --text-secondary: #63728A;
  --text-inverse: #FFFFFF;
  
  --color-blue: #416FFF;
  --color-blue-light: #6EA8FF;
  --color-purple: #6857F5;
  --color-cyan: #22B7E8;
  --color-green: #21B994;
  --color-red: #E05252;
  
  --accent: var(--color-blue);
  --accent-glow: rgba(65, 111, 255, 0.15);
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, "Noto Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --max-width: 1480px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  --shadow-sm: 0 2px 8px rgba(16, 32, 56, 0.04);
  --shadow-md: 0 8px 24px rgba(16, 32, 56, 0.06);
  --shadow-lg: 0 16px 48px rgba(16, 32, 56, 0.1);
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* RTL Support */
[dir="rtl"] {
  text-align: right;
}

/* Focus Outline */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
details summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.section {
  padding: 8rem 0;
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  gap: 0.5rem;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--text-inverse);
  box-shadow: 0 4px 12px rgba(65, 111, 255, 0.2);
}
.btn-primary:hover {
  background-color: #2c59e0;
  color: var(--text-inverse);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-1px);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  font-weight: 800;
  font-size: 1.25rem;
  box-shadow: 0 4px 10px rgba(65, 111, 255, 0.3);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

.logo-sub {
  font-size: 0.65rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* Language Selector */
.lang-selector {
  position: relative;
}

.lang-toggle {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.lang-toggle:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-color-hover);
}

.lang-toggle::after {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  border-right: 2px solid var(--text-secondary);
  border-bottom: 2px solid var(--text-secondary);
  transform: rotate(45deg);
  margin-top: -2px;
  transition: var(--transition);
}

.lang-selector:hover .lang-toggle::after,
.lang-selector.active .lang-toggle::after {
  transform: rotate(-135deg);
  margin-top: 2px;
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  list-style: none;
  min-width: 140px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 1100;
  padding: 0.5rem 0;
}

[dir="rtl"] .lang-dropdown {
  right: auto;
  left: 0;
}

.lang-selector:hover .lang-dropdown,
.lang-selector.active .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-item a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}
.lang-item a:hover,
.lang-item.active a {
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.mobile-nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition);
}

.mobile-nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.mobile-nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.mobile-nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* App Skeleton / Spacer */
.main-content {
  margin-top: var(--header-height);
  flex-grow: 1;
}

/* Hero Section */
.hero {
  background: radial-gradient(circle at 80% 20%, rgba(110, 168, 255, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(104, 87, 245, 0.05) 0%, transparent 50%),
              var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 7rem 0 8rem 0;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 4rem;
}

.hero-tagline {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: inline-block;
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.2rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.hero-badge::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--accent);
  border-radius: 50%;
}

/* Hero Screen Composer */
.hero-screens-composer {
  position: relative;
  width: 100%;
  height: 480px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 1.25rem;
}

.composer-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1), border-color 0.3s ease, box-shadow 0.4s ease;
  cursor: pointer;
  text-decoration: none;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.composer-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 20px 40px rgba(65, 111, 255, 0.12);
}

.composer-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.composer-card-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.composer-card.patchray .composer-card-icon { background: rgba(104, 87, 245, 0.1); color: var(--color-purple); }
.composer-card.crawlray .composer-card-icon { background: rgba(34, 183, 232, 0.1); color: var(--color-cyan); }
.composer-card.leadray .composer-card-icon { background: rgba(33, 185, 148, 0.1); color: var(--color-green); }
.composer-card.deepcode .composer-card-icon { background: rgba(65, 111, 255, 0.1); color: var(--color-blue); }

.composer-card-status {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  border-radius: 100px;
}

.composer-card.patchray .composer-card-status { background: rgba(104, 87, 245, 0.08); color: var(--color-purple); }
.composer-card.crawlray .composer-card-status { background: rgba(34, 183, 232, 0.08); color: var(--color-cyan); }
.composer-card.leadray .composer-card-status { background: rgba(33, 185, 148, 0.08); color: var(--color-green); }
.composer-card.deepcode .composer-card-status { background: rgba(65, 111, 255, 0.08); color: var(--color-blue); }

.composer-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.composer-card-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 1rem;
}

.composer-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  border-top: 1px solid rgba(16, 32, 56, 0.04);
  padding-top: 0.75rem;
}

/* Category Ribbon */
.categories-ribbon {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 3rem 0;
}

.ribbon-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.ribbon-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-inline-start: 2px solid var(--border-color);
  padding-inline-start: 1.25rem;
}

.ribbon-item:hover {
  border-color: var(--accent);
}

.ribbon-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.ribbon-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Product Blocks */
.product-block {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 4rem;
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 4rem;
}

.product-block:nth-child(even) {
  grid-template-columns: 1.05fr 0.95fr;
}

.product-block:nth-child(even) .product-info-column {
  order: 2;
}

.product-info-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.product-label-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.product-logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
}

.product-block.patchray .product-logo-icon { background: linear-gradient(135deg, var(--color-purple), #8a7dfa); }
.product-block.crawlray .product-logo-icon { background: linear-gradient(135deg, var(--color-cyan), #5edcff); }
.product-block.leadray .product-logo-icon { background: linear-gradient(135deg, var(--color-green), #4eefc5); }
.product-block.deepcode .product-logo-icon { background: linear-gradient(135deg, var(--color-blue), #7697ff); }

.product-title {
  font-size: 2.25rem;
  font-weight: 800;
}

.product-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.product-feature-item {
  position: relative;
  padding-inline-start: 1.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.product-feature-item::before {
  content: "✓";
  position: absolute;
  inset-inline-start: 0;
  color: var(--accent);
  font-weight: 700;
}

.product-block.patchray .product-feature-item::before { color: var(--color-purple); }
.product-block.crawlray .product-feature-item::before { color: var(--color-cyan); }
.product-block.leadray .product-feature-item::before { color: var(--color-green); }
.product-block.deepcode .product-feature-item::before { color: var(--color-blue); }

.product-preview-column {
  position: relative;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  cursor: zoom-in;
  transition: var(--transition);
}

.product-preview-column:hover {
  transform: scale(1.01);
  box-shadow: var(--shadow-lg);
}

.product-preview-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-md) - 4px);
}

/* Feature Grid Cards */
.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.feature-card-icon {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  line-height: 1;
}

/* Accordion FAQs */
.faq-accordion {
  max-width: 800px;
  margin: 3rem auto 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item[open] {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.faq-trigger {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.faq-trigger::-webkit-details-marker {
  display: none;
}

.faq-trigger::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-secondary);
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-trigger::after {
  transform: rotate(45deg);
}

.faq-content {
  padding: 0 1.5rem 1.5rem 1.5rem;
  color: var(--text-secondary);
  border-top: 1px solid rgba(16, 32, 56, 0.04);
  padding-top: 1rem;
}

/* Roadmap UI */
.roadmap-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.roadmap-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1), border-color 0.3s ease, box-shadow 0.4s ease;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.roadmap-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 20px 40px rgba(65, 111, 255, 0.1);
}

.roadmap-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 10%;
  right: 10%;
  height: 3px;
  border-radius: 100px;
}

.roadmap-card.patchray::before { background-color: var(--color-purple); }
.roadmap-card.crawlray::before { background-color: var(--color-cyan); }
.roadmap-card.leadray::before { background-color: var(--color-green); }
.roadmap-card.deepcode::before { background-color: var(--color-blue); }

.roadmap-step {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

/* SEO block expander */
.seo-section {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 6rem 0;
}

.seo-rich-text {
  max-width: 900px;
  margin: 0 auto;
}

.seo-rich-text h2 {
  font-size: 1.75rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.seo-rich-text h3 {
  font-size: 1.25rem;
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.seo-rich-text p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.seo-rich-text ul {
  list-style-type: square;
  margin-inline-start: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.seo-rich-text li {
  margin-bottom: 0.5rem;
}

/* Product Detail UI */
.detail-hero {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 6rem 0;
}

.detail-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.detail-specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.detail-spec-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  background: var(--bg-primary);
}

.detail-spec-val {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.detail-spec-lbl {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.detail-screenshot-container {
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  box-shadow: var(--shadow-lg);
  cursor: zoom-in;
}

.detail-screenshot {
  width: 100%;
  border-radius: calc(var(--radius-md) - 4px);
  object-fit: contain;
}

/* Form Contact Layout */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.contact-channel {
  display: flex;
  gap: 1.25rem;
}

.contact-channel-icon {
  width: 48px;
  height: 48px;
  background: rgba(65, 111, 255, 0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-form-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 3rem;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--accent);
  background: var(--bg-surface);
  outline: none;
  box-shadow: 0 0 0 4px var(--accent-glow);
}

/* Footer styling */
.footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 5rem 0 3rem 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.footer-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Lightbox overlays */
dialog.lightbox-dialog {
  border: none;
  background: transparent;
  max-width: 90vw;
  max-height: 90vh;
  margin: auto;
  box-shadow: none;
  overflow: visible;
  outline: none;
}

dialog.lightbox-dialog::backdrop {
  background-color: rgba(16, 32, 56, 0.85);
  backdrop-filter: blur(8px);
}

.lightbox-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-image {
  max-width: 90vw;
  max-height: 80vh;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-lg);
  object-fit: contain;
}

.lightbox-close-btn {
  position: absolute;
  top: -3.5rem;
  right: 0;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.lightbox-close-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.05);
}

.lightbox-caption {
  margin-top: 1rem;
  color: #FFFFFF;
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
}

/* Responsive breakdowns */
@media (max-width: 1200px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  .section { padding: 6rem 0; }
  .hero h1 { font-size: 3rem; }
  .hero .container { gap: 2rem; }
  .product-block { padding: 3rem; gap: 3rem; }
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .ribbon-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .roadmap-timeline { grid-template-columns: repeat(2, 1fr); }
  .detail-hero-grid { grid-template-columns: 1fr; gap: 3rem; }
  .detail-screenshot-container { max-width: 800px; margin: 0 auto; }
}

@media (max-width: 1080px) {
  /* Header & Navigation drawer */
  .mobile-nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 2rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: var(--transition);
    z-index: 999;
  }
  
  .nav-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    width: 100%;
  }
  
  .nav-link {
    font-size: 1.15rem;
    width: 100%;
    display: block;
  }
  
  .header-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 1.5rem;
  }
  
  .lang-selector {
    align-self: flex-start;
    width: 100%;
  }
  
  .lang-toggle {
    width: 100%;
    justify-content: space-between;
  }
  
  .lang-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-top: 1px solid var(--border-color);
    margin-top: 0.5rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    padding: 0.5rem 0 0 0;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
  .section { padding: 4rem 0; }
  
  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
  
  .hero .container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero-screens-composer {
    height: 380px;
    gap: 1rem;
  }
  
  .product-block, .product-block:nth-child(even) {
    grid-template-columns: 1fr;
    padding: 2rem;
    gap: 2.5rem;
  }
  
  .product-block:nth-child(even) .product-info-column {
    order: 0;
  }
  
  .product-title {
    font-size: 1.75rem;
  }
  
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .contact-form-panel {
    padding: 2rem 1.25rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-bottom {
    flex-direction: column-reverse;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.25rem;
  }
  .hero-screens-composer {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    height: auto;
  }
  .composer-card {
    height: 120px;
  }
  .roadmap-timeline {
    grid-template-columns: 1fr;
  }
  .detail-specs-grid {
    grid-template-columns: 1fr;
  }
  .lang-dropdown {
    grid-template-columns: 1fr;
  }
}

/* Custom Animations & Interactive 3D Effects */
@keyframes floatGlow {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-20px) scale(1.08);
  }
}

.hero {
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(65, 111, 255, 0.08) 0%, transparent 70%);
  top: 5%;
  right: 5%;
  z-index: 0;
  pointer-events: none;
  animation: floatGlow 8s ease-in-out infinite;
}

.hero::after {
  content: "";
  position: absolute;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(104, 87, 245, 0.06) 0%, transparent 70%);
  bottom: 5%;
  left: 5%;
  z-index: 0;
  pointer-events: none;
  animation: floatGlow 12s ease-in-out infinite;
}

/* Scroll Reveal animations */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

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

/* Animation Delays for organic loading feel */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* Reduced Motion Override */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}