/* =============================================
   AuraStack Monitor — Корпоративный сайт
   Дизайн: Apple Minimalism
   ============================================= */

:root {
  --bg:           #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-card:      #ffffff;
  --text:         #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #a1a1a6;
  --border:       #d2d2d7;
  --accent:       #0a84ff;
  --accent-hover: #0071e3;
  --accent-glow:  rgba(10, 132, 255, 0.18);
  --gradient:     linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-blue: linear-gradient(135deg, #0a84ff 0%, #5e5ce6 100%);
  --shadow-sm:    0 2px 8px rgba(0,0,0,0.06);
  --shadow-md:    0 8px 32px rgba(0,0,0,0.10);
  --shadow-lg:    0 20px 60px rgba(0,0,0,0.14);
  --radius-sm:    10px;
  --radius-md:    16px;
  --radius-lg:    24px;
  --nav-height:   64px;
  --transition:   0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg:           #000000;
  --bg-secondary: #111111;
  --bg-card:      #1c1c1e;
  --text:         #f5f5f7;
  --text-secondary: #98989d;
  --text-tertiary: #636366;
  --border:       #2c2c2e;
  --accent:       #0a84ff;
  --accent-hover: #409cff;
  --accent-glow:  rgba(10, 132, 255, 0.25);
  --shadow-sm:    0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:    0 8px 32px rgba(0,0,0,0.5);
  --shadow-lg:    0 20px 60px rgba(0,0,0,0.7);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── NAVIGATION ─────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: rgba(255,255,255,0.82);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: background var(--transition), border-color var(--transition);
}

[data-theme="dark"] .nav {
  background: rgba(0,0,0,0.85);
  border-bottom-color: rgba(255,255,255,0.06);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.3px;
  flex-shrink: 0;
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-blue);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  flex: 1;
}

.nav-links a {
  display: block;
  padding: 6px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: var(--bg-secondary);
}

.nav-links a.active {
  color: var(--accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-theme {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all var(--transition);
}

.btn-theme:hover {
  background: var(--bg-secondary);
  color: var(--text);
}

.btn-nav-cta {
  padding: 8px 18px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}

.btn-nav-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── MOBILE MENU ─────────────────────────────── */

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  z-index: 999;
  padding: 16px 24px;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-md);
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text);
  font-size: 16px;
  font-weight: 500;
  transition: background var(--transition);
}

.mobile-menu a:hover {
  background: var(--bg-secondary);
}

/* ── LAYOUT ─────────────────────────────────── */

.page-wrapper {
  padding-top: var(--nav-height);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-sm {
  padding: 64px 0;
}

/* ── TYPOGRAPHY ─────────────────────────────── */

.display-xl {
  font-size: clamp(40px, 7vw, 80px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -2px;
  color: var(--text);
}

.display-lg {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--text);
}

.display-md {
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--text);
}

.headline {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.5px;
  color: var(--text);
}

.body-lg {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.body-md {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.body-sm {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.caption {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--accent);
}

.gradient-text {
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── BUTTONS ─────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 980px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

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

.btn-secondary:hover {
  background: var(--border);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background: var(--accent-glow);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 17px;
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* ── CARDS ─────────────────────────────────── */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: transparent;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  background: var(--accent-glow);
  color: var(--accent);
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.card-body {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── GRID ───────────────────────────────────── */

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ── SECTION HEADER ─────────────────────────── */

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header .caption {
  margin-bottom: 12px;
  display: block;
}

.section-header p {
  max-width: 560px;
  margin: 16px auto 0;
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── BADGE ─────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 980px;
  font-size: 13px;
  font-weight: 600;
  background: var(--accent-glow);
  color: var(--accent);
  margin-bottom: 20px;
}

/* ── DIVIDER ────────────────────────────────── */

.divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

/* ── HERO SECTION ────────────────────────────── */

.hero {
  padding: 120px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(ellipse at center, rgba(10,132,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
}

/* ── STATS ─────────────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
}

.stat-item {
  background: var(--bg-card);
  padding: 32px 24px;
  text-align: center;
}

.stat-number {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -1.5px;
  color: var(--text);
  line-height: 1;
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* ── FEATURE ROW ─────────────────────────────── */

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.feature-row.reverse {
  direction: rtl;
}

.feature-row.reverse > * {
  direction: ltr;
}

.feature-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.feature-visual-inner {
  width: 85%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mock-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.mock-widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.mock-widget-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.mock-widget-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
}

.mock-bar-track {
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 10px;
}

.mock-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--gradient-blue);
  transition: width 1s ease;
}

/* ── ACCORDION (FAQ) ────────────────────────── */

.accordion-item {
  border-bottom: 1px solid var(--border);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  font-size: 17px;
  font-weight: 600;
  text-align: left;
  gap: 16px;
  transition: color var(--transition);
}

.accordion-trigger:hover {
  color: var(--accent);
}

.accordion-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.accordion-trigger.open .accordion-icon {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-content.open {
  max-height: 400px;
}

.accordion-body {
  padding: 0 0 24px;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.7;
}

/* ── FORM ───────────────────────────────────── */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  transition: all var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent);
  background: var(--bg-card);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-control::placeholder {
  color: var(--text-tertiary);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* ── TABLE ─────────────────────────────────── */

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th {
  background: var(--bg-secondary);
  color: var(--text);
  font-weight: 600;
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  letter-spacing: 0.3px;
}

td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: var(--bg-secondary);
}

/* ── NOTICE/ALERT ───────────────────────────── */

.notice {
  display: flex;
  gap: 16px;
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  border: 1px solid rgba(10,132,255,0.2);
}

.notice-icon {
  font-size: 20px;
  flex-shrink: 0;
  line-height: 1.5;
}

.notice-body {
  font-size: 15px;
  color: var(--text);
  line-height: 1.6;
}

.notice-body strong {
  color: var(--accent);
}

/* ── TAG LIST ───────────────────────────────── */

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 6px 14px;
  border-radius: 980px;
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

/* ── WIDGET PREVIEW CARDS ────────────────────── */

.widget-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}

.widget-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: var(--accent);
}

.widget-preview {
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
}

.widget-preview-minimal {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

[data-theme="dark"] .widget-preview-minimal {
  background: linear-gradient(135deg, #1c1c1e 0%, #2c2c2e 100%);
}

.widget-preview-future {
  background: linear-gradient(135deg, #0a0a1a 0%, #0d1b3e 100%);
}

.widget-preview-text {
  background: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
}

.widget-card-body {
  padding: 24px;
  border-top: 1px solid var(--border);
}

.widget-card-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.widget-card-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text);
  margin-bottom: 10px;
}

.widget-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── STEPS ─────────────────────────────────── */

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 24px;
  padding-bottom: 40px;
  position: relative;
}

.step:last-child {
  padding-bottom: 0;
}

.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-blue);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.step::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.step:last-child::before {
  display: none;
}

.step-content {
  padding-top: 10px;
}

.step-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.step-body {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── PRICING / PLAN CARDS ────────────────────── */

.plan-card {
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  padding: 36px;
  background: var(--bg-card);
  transition: all var(--transition);
  position: relative;
}

.plan-card.featured {
  border-color: var(--accent);
  background: linear-gradient(160deg, var(--bg-card) 0%, rgba(10,132,255,0.04) 100%);
}

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

.plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 4px 16px;
  border-radius: 980px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.plan-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.plan-price {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -2px;
  color: var(--text);
  line-height: 1;
  margin: 16px 0 8px;
}

.plan-price sup {
  font-size: 20px;
  font-weight: 600;
  vertical-align: super;
  letter-spacing: -0.5px;
}

.plan-period {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.plan-features li::before {
  content: '✓';
  color: #30d158;
  font-weight: 700;
  flex-shrink: 0;
}

/* ── CONTACT CARD ────────────────────────────── */

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-glow);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 4px;
}

.contact-value {
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
}

/* ── TECH SPEC LIST ──────────────────────────── */

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.spec-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
}

.spec-block-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

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

.spec-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.spec-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ── SECURITY SHIELD ─────────────────────────── */

.shield-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

.shield-icon {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(48,209,88,0.15) 0%, rgba(10,132,255,0.15) 100%);
  border: 2px solid rgba(48,209,88,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
  animation: pulse-shield 3s infinite;
}

@keyframes pulse-shield {
  0%, 100% { box-shadow: 0 0 0 0 rgba(48,209,88,0.2); }
  50% { box-shadow: 0 0 0 20px rgba(48,209,88,0); }
}

/* ── FOOTER ─────────────────────────────────── */

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 12px;
  max-width: 280px;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.3px;
  margin-bottom: 16px;
}

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

.footer-links a {
  text-decoration: none;
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ── SCROLL REVEAL ANIMATION ────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── PAGE HERO (inner pages) ────────────────── */

.page-hero {
  padding: 72px 0 64px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg) 100%);
}

/* ── RESPONSIVE ─────────────────────────────── */

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-row { grid-template-columns: 1fr; gap: 40px; }
  .feature-row.reverse { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .btn-nav-cta { display: none; }
  .nav-burger { display: flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 60px 0 60px; }
  .section { padding: 64px 0; }
  .hero-actions { flex-direction: column; align-items: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
}