/* NotesAPP / Заметки Landing Page Styles - Modern, High Converting & Responsive */

:root {
  --bg-dark: #090d16;
  --bg-card: rgba(18, 24, 38, 0.75);
  --bg-card-hover: rgba(26, 35, 54, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(99, 102, 241, 0.4);

  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.35);

  --secondary: #8b5cf6;
  --accent-cyan: #38bdf8;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.2);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html, body {
  overflow-x: hidden;
  width: 100%;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  background-image:
    radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(139, 92, 246, 0.10) 0%, transparent 40%),
    radial-gradient(circle at 50% 90%, rgba(56, 189, 248, 0.08) 0%, transparent 50%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  min-width: 0;
}

/* Header & Nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 14px 0;
  transition: var(--transition);
  background-color: rgba(9, 13, 22, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.site-header.scrolled {
  padding: 10px 0;
  background-color: rgba(9, 13, 22, 0.98);
  border-bottom-color: var(--border-color);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
  min-width: 0;
  flex-shrink: 1;
}

.logo-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 1.2rem;
  color: var(--text-main);
}

.logo-img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  object-fit: cover;
  flex-shrink: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--text-main);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-download-btn {
  padding: 8px 18px;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
}

.mobile-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  font-size: 1.5rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  line-height: 1;
  transition: var(--transition);
}

.mobile-toggle:hover {
  background: rgba(255, 255, 255, 0.15);
}

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

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 600;
  transition: var(--transition);
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #121826;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px;
  min-width: 140px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  display: none;
  flex-direction: column;
  gap: 4px;
  z-index: 100;
  backdrop-filter: blur(20px);
}

.lang-dropdown.show {
  display: flex;
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  background: transparent;
  transition: var(--transition);
  width: 100%;
  text-align: left;
}

.lang-option:hover, .lang-option.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--text-main);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #ffffff;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(99, 102, 241, 0.5);
  filter: brightness(1.1);
  color: #ffffff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

/* Social Buttons */
.social-buttons {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  color: #fff;
  text-decoration: none;
}

.social-icon-img {
  width: 18px;
  height: 18px;
  object-fit: contain;
  vertical-align: middle;
}

.social-btn-max {
  background: linear-gradient(135deg, #1d61ef, #0052cc);
  box-shadow: 0 4px 15px rgba(29, 97, 239, 0.3);
}

.social-btn-max:hover {
  background: linear-gradient(135deg, #1852cf, #0043a8);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(29, 97, 239, 0.5);
}

.social-btn-tg {
  background: #229ed9;
  box-shadow: 0 4px 15px rgba(34, 158, 217, 0.3);
}

.social-btn-tg:hover {
  background: #1d8bc3;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34, 158, 217, 0.5);
}

/* Hero Section */
.hero {
  padding: 150px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 30px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.2rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 580px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* App Visual Mockup in Hero */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-container {
  width: 100%;
  max-width: 360px;
  background: #111625;
  border-radius: 40px;
  padding: 16px;
  border: 4px solid #232d42;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), var(--shadow-glow);
  position: relative;
  transform: rotate(-2deg);
  transition: var(--transition);
}

.phone-container:hover {
  transform: rotate(0deg) scale(1.02);
}

.phone-screen {
  background: #0b0f19;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.app-mock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.app-mock-search {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 6px 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
}

.app-mock-tags {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.mock-tag {
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.65rem;
  font-weight: 600;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
}

.mock-tag.active {
  background: var(--primary);
  color: #fff;
}

/* Mockup Note Cards inside Phone Visual */
.mock-note-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
}

.mock-note-card.pinned {
  border-color: rgba(99, 102, 241, 0.4);
  background: rgba(99, 102, 241, 0.1);
}

.mock-note-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mock-note-text {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.mock-shopping-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 4px;
}

.mock-shop-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.68rem;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.03);
  padding: 3px 8px;
  border-radius: 6px;
}

.mock-shop-item.checked {
  text-decoration: line-through;
  opacity: 0.5;
}

.mock-audio-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  padding: 6px 10px;
  border-radius: 20px;
  font-size: 0.7rem;
  color: #e0e7ff;
}

/* Floating Badges on Phone */
.floating-card {
  position: absolute;
  background: rgba(18, 24, 38, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  box-shadow: 0 15px 30px rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
  animation: float 4s ease-in-out infinite;
}

.floating-card-1 {
  top: 8%;
  left: -20px;
}

.floating-card-2 {
  bottom: 10%;
  right: -20px;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.floating-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.floating-icon.green { background: rgba(16, 185, 129, 0.2); color: var(--accent-emerald); }
.floating-icon.purple { background: rgba(139, 92, 246, 0.2); color: var(--secondary); }
.floating-icon.blue { background: rgba(56, 189, 248, 0.2); color: var(--accent-cyan); }

.floating-text-title {
  font-size: 0.8rem;
  font-weight: 700;
}

.floating-text-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Section Common */
.section {
  padding: 90px 0;
  position: relative;
}

.section-title-wrap {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Store Downloads Section */
.download-section {
  background: linear-gradient(180deg, rgba(9, 13, 22, 0.95) 0%, rgba(18, 24, 38, 0.7) 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.stores-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1140px;
  margin: 0 auto;
}

.store-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.store-card:not(.disabled):hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(99, 102, 241, 0.25);
}

.store-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.store-icon-box {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04));
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.store-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.store-info {
  display: flex;
  flex-direction: column;
}

.store-subtitle {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.store-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.store-req-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 5px 12px;
  border-radius: 20px;
  align-self: flex-start;
}

.store-card.disabled {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.05);
  cursor: not-allowed;
  opacity: 0.65;
}

.store-card.disabled .store-req-badge {
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.08);
}

/* Desktop PC Section */
.desktop-section {
  background: rgba(18, 24, 38, 0.3);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.desktop-box {
  background: var(--bg-card);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.5);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
}

.desktop-box > div {
  min-width: 0;
  max-width: 100%;
}

.desktop-info-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  word-break: break-word;
}

.desktop-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.desktop-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-muted);
  word-break: break-word;
}

.desktop-feature-item i {
  color: var(--accent-emerald);
  font-size: 1.2rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.terminal-box {
  background: #060911;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 16px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.88rem;
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
}

.terminal-cmd {
  user-select: all;
  white-space: pre-wrap;
  word-break: break-all;
  overflow-wrap: anywhere;
  font-size: 0.82rem;
  line-height: 1.4;
  flex: 1;
  min-width: 0;
}

.copy-cmd-btn {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  transition: var(--transition);
  flex-shrink: 0;
  white-space: nowrap;
}

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

/* Screenshot Controls Wrap: Device Tabs + Language Tabs */
.screenshot-controls-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.screenshot-device-tabs, .screenshot-lang-tabs {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 5px;
  border-radius: 30px;
}

.device-tab-btn, .screenshot-lang-btn {
  background: transparent;
  color: var(--text-muted);
  border-radius: 24px;
  padding: 7px 18px;
  font-size: 0.88rem;
  font-weight: 700;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.device-tab-btn:hover, .screenshot-lang-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.06);
}

.device-tab-btn.active, .screenshot-lang-btn.active {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 15px var(--primary-glow);
}

/* Screenshots Showcase Section - Uncropped Full View */
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.screenshot-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.screenshot-card:hover {
  border-color: var(--primary);
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 25px 50px rgba(99, 102, 241, 0.3);
}

/* Smartphone Aspect Ratio 9:16 with contain to PREVENT cropping! */
.screenshot-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 9/16;
  background: #080c18;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
}

.screenshot-img {
  width: 100%;
  height: 100%;
  object-fit: contain; /* Full uncropped image display! */
  display: block;
}

/* Tablet Device Screenshot Cards (Aspect Ratio 16:9) */
.screenshots-grid.device-tablet {
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  max-width: 1240px;
}

.screenshots-grid.device-tablet .screenshot-img-wrap {
  aspect-ratio: 16/9;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
  border: 1px solid rgba(99, 102, 241, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 24px;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Interactive Shopping List Calculator Section */
.calc-section {
  background: linear-gradient(180deg, rgba(18, 24, 38, 0.5) 0%, rgba(9, 13, 22, 0.9) 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.calc-box {
  background: var(--bg-card);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.5);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: flex-start;
  min-width: 0;
  max-width: 100%;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.shop-calc-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 40px;
  gap: 10px;
  align-items: center;
}

.calc-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 600;
  outline: none;
  transition: var(--transition);
}

.calc-input:focus {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.08);
}

.remove-row-btn {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.3);
  border-radius: 10px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}

.remove-row-btn:hover {
  background: rgba(244, 63, 94, 0.3);
}

.add-row-btn {
  align-self: flex-start;
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-cyan);
  border: 1px dashed rgba(99, 102, 241, 0.4);
  border-radius: var(--radius-md);
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}

.add-row-btn:hover {
  background: rgba(99, 102, 241, 0.25);
  border-color: var(--primary);
}

/* Calculator Result Box */
.calc-result-box {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(16, 185, 129, 0.1));
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  min-width: 0;
  width: 100%;
  overflow: hidden;
}

.calc-result-title {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.calc-result-amount {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--accent-emerald);
  line-height: 1.1;
  word-break: break-word;
  overflow-wrap: anywhere;
  max-width: 100%;
}

.calc-result-detail {
  font-size: 0.85rem;
  color: var(--text-dim);
  word-break: break-word;
}

/* Target Audience Chips */
.professions-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.prof-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 12px 20px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}

.prof-chip:hover {
  border-color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
  transform: translateY(-2px);
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.faq-item.active {
  border-color: var(--border-highlight);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  color: var(--text-main);
  font-size: 1.05rem;
  font-weight: 700;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
  color: var(--primary);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--text-muted);
  font-size: 0.95rem;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* Footer & Legal */
.site-footer {
  background: #050811;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-desc {
  color: var(--text-dim);
  font-size: 0.9rem;
  max-width: 360px;
}

.footer-project-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--accent-cyan);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  transition: var(--transition);
  text-decoration: none;
  align-self: flex-start;
}

.footer-project-badge:hover {
  background: rgba(99, 102, 241, 0.25);
  border-color: var(--primary);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--text-main);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  color: var(--text-dim);
  font-size: 0.85rem;
  line-height: 1.5;
}

.legal-info {
  max-width: 800px;
}

.footer-disclaimer {
  max-width: 900px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.6;
  text-align: center;
}

.privacy-notice-badge {
  display: block;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  margin-top: 12px;
  text-align: left;
}

/* Mobile Menu Download Button */
.mobile-menu-download-btn {
  display: none;
}

/* Mobile & Responsive Adaptations */
@media (max-width: 991px) {
  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu {
    position: fixed;
    top: 66px;
    left: 0;
    right: 0;
    background: rgba(9, 13, 22, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    transform: translateY(-150%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
    z-index: 999;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    font-size: 1.1rem;
    font-weight: 600;
    width: 100%;
    padding: 6px 0;
  }

  .mobile-menu-download-btn {
    display: flex;
    width: 100%;
    margin-top: 8px;
  }
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle {
    margin: 0 auto 36px;
  }

  .hero-cta {
    justify-content: center;
  }

  .social-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

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

  .calc-box, .desktop-box {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }

  .section-title {
    font-size: 1.9rem;
  }

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

  .desktop-box {
    grid-template-columns: 1fr;
    padding: 24px 18px;
    gap: 24px;
  }

  .desktop-info-title {
    font-size: 1.4rem;
  }

  .terminal-box {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .copy-cmd-btn {
    align-self: flex-start;
    width: 100%;
    text-align: center;
  }

  .shop-calc-row {
    grid-template-columns: 1fr 1fr 1fr 38px;
  }

  .screenshots-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    gap: 16px;
    padding: 10px 4px 20px;
    margin: 0 -24px;
    padding-left: 24px;
    padding-right: 24px;
    max-width: none;
  }

  .screenshot-card {
    flex: 0 0 82%;
    max-width: 280px;
    scroll-snap-align: center;
  }

  .screenshots-grid.device-tablet .screenshot-card {
    flex: 0 0 90%;
    max-width: 440px;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .floating-card-1 {
    left: 0;
  }

  .floating-card-2 {
    right: 0;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 16px;
  }

  .site-header {
    padding: 12px 0;
  }

  .site-header.scrolled {
    padding: 10px 0;
  }

  .logo {
    gap: 8px;
  }

  .logo-text {
    display: inline-block !important;
    font-size: 1.05rem !important;
  }

  .logo-img {
    width: 34px;
    height: 34px;
    border-radius: 8px;
  }

  .nav-right {
    gap: 6px;
  }

  .nav-download-btn {
    display: none;
  }

  .lang-btn {
    padding: 6px 10px;
    font-size: 0.8rem;
  }

  .mobile-toggle {
    padding: 5px 10px;
    font-size: 1.3rem;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-title {
    font-size: 1.85rem;
  }

  .calc-box, .desktop-box {
    padding: 20px 14px;
    border-radius: var(--radius-lg);
  }

  .desktop-box .btn {
    width: 100%;
    white-space: normal;
    text-align: center;
  }

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