/* =========================================================
   RZX VPN — Windows 7 Aero Landing
   Палитра:
     --aero-deep:   #0B1E3C  (глубокий синий фон)
     --aero-mid:    #1E5799  (средний Aero-синий)
     --aero-light:  #7DB9E8  (светлое стекло)
     --aero-cyan:   #4FC3F7  (свечение / акцент)
     --aero-gold:   #FFD54F  (акцент премиум-тарифа)
     --glass-white: rgba(255,255,255,0.14)
   Шрифты: Segoe UI, Tahoma (системные, как в Windows 7)
   ========================================================= */

/* =========================================================
   Типографическая система
   Заголовки (H1, H2):        Unbounded   → var(--font-display)
   Подзаголовки/eyebrow/лейблы: Montserrat → var(--font-heading)
   Основной текст:            Inter       → var(--font-body)
   UI (кнопки, меню, карточки): Inter + Segoe UI fallback → var(--font-ui)
   Все размеры — в rem (1rem = 16px базового html).
   ========================================================= */
:root {
  --font-display: "Unbounded", "Montserrat", "Segoe UI", Tahoma, sans-serif;
  --font-heading: "Montserrat", "Segoe UI", Tahoma, sans-serif;
  --font-body: "Inter", "Roboto", "Segoe UI", Tahoma, sans-serif;
  --font-ui: "Inter", "Segoe UI", Roboto, Tahoma, sans-serif;

  --lh-tight: 1.15;
  --lh-heading: 1.3;
  --lh-body: 1.6;
}

:root {
  --aero-deep: #0b1e3c;
  --aero-deep-2: #0a1730;
  --aero-mid: #1e5799;
  --aero-mid-2: #2989d8;
  --aero-light: #7db9e8;
  --aero-cyan: #4fc3f7;
  --aero-gold: #ffd54f;
  --glass-white: rgba(255, 255, 255, 0.14);
  --glass-border: rgba(255, 255, 255, 0.35);
  --glass-highlight: rgba(255, 255, 255, 0.55);
  --text-primary: #f3f8ff;
  --text-secondary: rgba(233, 242, 255, 0.72);
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-glass: 0 8px 32px rgba(3, 12, 30, 0.45), inset 0 1px 0 rgba(255,255,255,0.4), inset 0 -1px 0 rgba(0,0,0,0.15);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px; /* базовая единица для rem во всём проекте */
}

body {
  font-family: var(--font-body);
  line-height: var(--lh-body);
  color: var(--text-primary);
  background: radial-gradient(ellipse at 20% -10%, #1c4a86 0%, transparent 55%),
              radial-gradient(ellipse at 90% 10%, #123a72 0%, transparent 50%),
              linear-gradient(180deg, var(--aero-deep-2) 0%, var(--aero-deep) 45%, #071224 100%);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- Иконки (/img/icons/*.png) и аватарки (/img/avatars/*.png) ---------- */
.icon-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  display: inline-block;
}
.icon-img-sm { width: 18px; height: 18px; }
.icon-img-lg { width: 40px; height: 40px; }

.avatar {
  border-radius: 50%;
  object-fit: cover;
  background: linear-gradient(180deg, rgba(255,255,255,0.25), rgba(255,255,255,0.06));
  border: 1px solid var(--glass-border);
  flex-shrink: 0;
}
.avatar-sm { width: 32px; height: 32px; }
.avatar-md { width: 48px; height: 48px; }
.avatar-lg { width: 84px; height: 84px; }

/* ---------- Фоновая Aero-атмосфера: плавающие стеклянные пузыри ---------- */
.aero-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.55;
  background: radial-gradient(circle at 32% 28%, rgba(255,255,255,0.85), rgba(125,185,232,0.35) 40%, rgba(30,87,153,0.05) 70%);
  box-shadow: inset 0 0 40px rgba(255,255,255,0.25), 0 0 60px rgba(79,195,247,0.15);
  animation: float 22s ease-in-out infinite;
}

.orb-1 { width: 280px; height: 280px; top: 8%; left: 6%; animation-duration: 26s; }
.orb-2 { width: 160px; height: 160px; top: 60%; left: 14%; animation-duration: 19s; animation-delay: -4s; }
.orb-3 { width: 340px; height: 340px; top: 30%; right: 8%; animation-duration: 30s; animation-delay: -10s; }
.orb-4 { width: 120px; height: 120px; top: 78%; right: 22%; animation-duration: 16s; animation-delay: -2s; }
.orb-5 { width: 90px; height: 90px; top: 12%; right: 34%; animation-duration: 14s; animation-delay: -7s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(24px, -36px); }
}

.shine {
  position: absolute;
  top: -20%;
  left: 50%;
  width: 900px;
  height: 900px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(125,185,232,0.18) 0%, transparent 60%);
}

/* ---------- Общие "стеклянные" утилиты ---------- */
.glass-panel-base {
  background: linear-gradient(180deg, rgba(255,255,255,0.22), rgba(255,255,255,0.06));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow: var(--shadow-glass);
}

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(180deg, #6fc4ff 0%, var(--aero-mid-2) 45%, var(--aero-mid) 100%);
  color: #06192f;
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow: 0 6px 20px rgba(41,137,216,0.55), inset 0 1px 0 rgba(255,255,255,0.7);
}
.btn-primary:hover { box-shadow: 0 10px 30px rgba(79,195,247,0.65), inset 0 1px 0 rgba(255,255,255,0.8); }

.btn-glass {
  background: var(--glass-white);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}
.btn-glass:hover { background: rgba(255,255,255,0.22); box-shadow: 0 8px 24px rgba(79,195,247,0.25); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid rgba(255,255,255,0.18);
}
.btn-ghost:hover { color: var(--text-primary); border-color: rgba(255,255,255,0.4); }

.btn-small { padding: 10px 20px; font-size: 0.875rem; }
.btn-block { width: 100%; }

/* ---------- Топбар ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(9, 24, 48, 0.55);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; letter-spacing: 0.02em; }
.brand-text b { color: var(--aero-cyan); font-weight: 800; }
.brand-orb {
  width: 26px; height: 26px; border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, #ffffff, var(--aero-cyan) 45%, var(--aero-mid) 100%);
  box-shadow: 0 0 14px rgba(79,195,247,0.7), inset 0 1px 2px rgba(255,255,255,0.8);
}

.nav { display: flex; gap: 30px; font-family: var(--font-ui); }
.nav a { font-size: 0.9062rem; font-weight: 500; color: var(--text-secondary); transition: color 0.2s ease; position: relative; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.nav a:hover { color: var(--text-primary); }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 1px;
  background: var(--aero-cyan); transition: width 0.25s ease;
}
.nav a:hover::after { width: 100%; }

@media (max-width: 860px) { .nav { display: none; } }

/* ---------- Layout base ---------- */
main { position: relative; z-index: 1; }

.section { padding: 110px 0; }
.section-alt { background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0)); }

.section-head { max-width: 640px; margin-bottom: 56px; }
.eyebrow, .eyebrow-pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.7812rem; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase;
  color: var(--aero-cyan);
}
.eyebrow-pill {
  padding: 8px 16px; border-radius: 999px;
  background: var(--glass-white); border: 1px solid var(--glass-border);
  margin-bottom: 22px; text-transform: none; letter-spacing: 0.2px; font-size: 0.8125rem;
  font-weight: 600;
}
.dot-live { width: 7px; height: 7px; border-radius: 50%; background: #6bffb0; box-shadow: 0 0 8px #6bffb0; }

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.6vw, 2.625rem);
  font-weight: 700;
  margin: 10px 0 14px;
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
}

.section-lead { font-family: var(--font-body); color: var(--text-secondary); font-size: 1.0312rem; line-height: var(--lh-body); }

/* ---------- HERO ---------- */
.hero {
  min-height: calc(100vh - 72px); /* высота топбара */
  display: flex;
  align-items: center;
  padding: 60px 0;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-text h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.625rem);
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}
.grad-text {
  background: linear-gradient(90deg, var(--aero-cyan), var(--aero-light) 60%, #ffffff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 34px;
}

.hero-actions { display: flex; gap: 16px; margin-bottom: 50px; flex-wrap: wrap; }

.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; gap: 4px; font-family: var(--font-body); }
.stat-num { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; color: var(--aero-cyan); }
.stat-label { font-size: 0.8125rem; color: var(--text-secondary); }

/* ---------- Стеклянное "окно" в hero ---------- */
.hero-glass { display: flex; justify-content: center; }
.glass-window {
  width: 100%;
  max-width: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,0.22), rgba(255,255,255,0.05));
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  box-shadow: var(--shadow-glass);
  transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
  transition: transform 0.4s ease;
}
.glass-window:hover { transform: perspective(1000px) rotateY(0deg) rotateX(0deg); }

.glass-titlebar {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.35), rgba(255,255,255,0.05));
  border-bottom: 1px solid rgba(255,255,255,0.25);
}
.tb-dot { width: 11px; height: 11px; border-radius: 50%; background: rgba(255,255,255,0.6); box-shadow: inset 0 1px 1px rgba(0,0,0,0.2); }
.tb-dot:nth-child(1) { background: #ff6159; }
.tb-dot:nth-child(2) { background: #ffbd2e; }
.tb-dot:nth-child(3) { background: #28c941; }
.tb-title { margin-left: auto; font-family: var(--font-ui); font-size: 0.7812rem; color: var(--text-secondary); }

.glass-body { padding: 30px 24px; display: flex; flex-direction: column; align-items: center; gap: 20px; }

.conn-orb { position: relative; width: 128px; height: 128px; display: flex; align-items: center; justify-content: center; }
.conn-ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid var(--aero-cyan);
  box-shadow: 0 0 30px rgba(79,195,247,0.65), inset 0 0 20px rgba(79,195,247,0.35);
  animation: pulse-ring 2.6s ease-in-out infinite;
}
@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.08); opacity: 0.55; }
}
.conn-core {
  width: 84px; height: 84px; border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #ffffff, var(--aero-cyan) 55%, var(--aero-mid) 100%);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; color: #06192f; font-size: 0.9375rem; letter-spacing: 0.04em;
  box-shadow: 0 0 24px rgba(79,195,247,0.8), inset 0 2px 3px rgba(255,255,255,0.8);
}

.conn-row {
  width: 100%; display: flex; justify-content: space-between;
  font-family: var(--font-ui);
  font-size: 0.8438rem; color: var(--text-secondary);
  padding-bottom: 10px; border-bottom: 1px dashed rgba(255,255,255,0.15);
}
.conn-row .mono { color: var(--text-primary); font-family: "Consolas", monospace; }

.glass-btn {
  width: 100%; text-align: center; padding: 12px; border-radius: 999px;
  background: var(--glass-white); border: 1px solid var(--glass-border);
  font-family: var(--font-ui);
  font-size: 0.8438rem; font-weight: 500; margin-top: 6px; cursor: pointer;
  transition: background 0.2s ease;
}
.glass-btn:hover { background: rgba(255,255,255,0.24); }

@media (max-width: 940px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-glass { order: -1; }
}

/* ---------- О сервисе: карточки ---------- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.glass-card {
  padding: 32px 26px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.16), rgba(255,255,255,0.04));
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-glass);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.glass-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(79,195,247,0.25), inset 0 1px 0 rgba(255,255,255,0.4); }
.card-icon { font-size: 1.875rem; margin-bottom: 16px; }
.glass-card h3 { font-family: var(--font-heading); font-weight: 600; font-size: 1.125rem; margin-bottom: 10px; }
.glass-card p { font-family: var(--font-body); font-size: 0.9062rem; color: var(--text-secondary); line-height: 1.55; }

@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; } }

/* ---------- Почему мы: список ---------- */
.why-list { display: flex; flex-direction: column; gap: 0; }
.why-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 30px;
  padding: 30px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  align-items: start;
}
.why-row:first-child { border-top: 1px solid rgba(255,255,255,0.1); }
.why-num {
  font-family: var(--font-heading);
  font-size: 0.9375rem; font-weight: 700; letter-spacing: 0.6px; text-transform: uppercase;
  color: var(--aero-cyan);
}
.why-body h3 { font-family: var(--font-heading); font-weight: 600; font-size: 1.1875rem; margin-bottom: 8px; }
.why-body p { font-family: var(--font-body); color: var(--text-secondary); font-size: 0.9375rem; line-height: 1.6; max-width: 560px; }

@media (max-width: 700px) {
  .why-row { grid-template-columns: 1fr; gap: 8px; }
}

/* ---------- Тарифы ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  max-width: 860px;
}

.price-card {
  position: relative;
  padding: 38px 34px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.14), rgba(255,255,255,0.04));
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-glass);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
}
.price-card:hover { transform: translateY(-6px); }

.price-featured {
  border: 1px solid rgba(255, 213, 79, 0.55);
  background: linear-gradient(180deg, rgba(255,213,79,0.14), rgba(255,255,255,0.05));
  box-shadow: 0 10px 40px rgba(255,213,79,0.2), var(--shadow-glass);
  transform: scale(1.03);
}
.price-featured:hover { transform: scale(1.03) translateY(-6px); }

.price-badge {
  position: absolute; top: -14px; right: 28px;
  background: linear-gradient(180deg, var(--aero-gold), #f3ad0f);
  color: #3a2a00;
  font-family: var(--font-heading);
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.4px;
  padding: 7px 16px; border-radius: 999px;
  box-shadow: 0 6px 16px rgba(255,213,79,0.5);
}

.price-top h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.375rem; margin-bottom: 6px; }
.price-sub { font-family: var(--font-body); color: var(--text-secondary); font-size: 0.875rem; margin-bottom: 22px; }

.price-value { display: flex; align-items: baseline; gap: 8px; margin-bottom: 18px; font-family: var(--font-display); }
.price-num { font-size: 2.625rem; font-weight: 700; letter-spacing: -0.01em; }
.price-period { font-family: var(--font-body); font-size: 0.875rem; color: var(--text-secondary); }

.price-desc { font-family: var(--font-body); color: var(--text-secondary); font-size: 0.9062rem; line-height: 1.55; margin-bottom: 22px; }

.price-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 30px; font-family: var(--font-ui); }
.price-features li { font-size: 0.9062rem; font-weight: 500; padding-left: 26px; position: relative; color: var(--text-primary); }
.price-features li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--aero-cyan); font-weight: 800;
}

@media (max-width: 760px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .price-featured { transform: none; }
  .price-featured:hover { transform: translateY(-6px); }
}

/* ---------- Как начать: шаги ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.step-card {
  padding: 34px 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.03));
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
}
.step-index {
  font-family: var(--font-display);
  font-size: 2.125rem; font-weight: 700; color: var(--aero-cyan);
  opacity: 0.85; margin-bottom: 14px;
}
.step-card h3 { font-family: var(--font-heading); font-weight: 600; font-size: 1.125rem; margin-bottom: 8px; }
.step-card p { font-family: var(--font-body); color: var(--text-secondary); font-size: 0.9062rem; line-height: 1.55; }

@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 14px; max-width: 760px; }
.faq-item {
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255,255,255,0.1), rgba(255,255,255,0.03));
  border: 1px solid var(--glass-border);
  overflow: hidden;
}
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none; border: none; cursor: pointer;
  color: var(--text-primary);
  font-family: var(--font-ui); font-size: 0.9688rem; font-weight: 600; text-align: left;
}
.faq-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
  color: var(--aero-cyan);
  flex-shrink: 0;
}
.faq-item.open .faq-arrow { transform: rotate(180deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
}
.faq-item.open .faq-a { max-height: 200px; padding: 0 24px 20px; }
.faq-a p { font-family: var(--font-body); color: var(--text-secondary); font-size: 0.9062rem; line-height: 1.6; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid rgba(255,255,255,0.1);
  background: rgba(6, 16, 34, 0.6);
  padding: 40px 0;
  position: relative; z-index: 1;
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 600; }
.footer-nav { display: flex; gap: 24px; font-family: var(--font-ui); }
.footer-nav a { color: var(--text-secondary); font-size: 0.875rem; font-weight: 500; }
.footer-nav a:hover { color: var(--text-primary); }
.footer-copy { font-family: var(--font-body); color: rgba(233,242,255,0.45); font-size: 0.8125rem; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--delay, 0ms);
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .orb, .conn-ring { animation: none; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   AUTH PAGES (login.html / register.html)
   ========================================================= */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  position: relative;
  z-index: 1;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 44px 38px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.16), rgba(255,255,255,0.04));
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  box-shadow: var(--shadow-glass);
}

.auth-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.auth-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
  margin: 18px 0 6px;
}

.auth-sub {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 30px;
}

.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.form-input::placeholder { color: rgba(233,242,255,0.4); }
.form-input:focus {
  outline: none;
  border-color: var(--aero-cyan);
  background: rgba(255,255,255,0.12);
  box-shadow: 0 0 0 3px rgba(79,195,247,0.18);
}

.form-error {
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  color: #ff8a8a;
  margin-top: -8px;
  margin-bottom: 16px;
  min-height: 1em;
}

.auth-switch {
  text-align: center;
  margin-top: 22px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.auth-switch a { color: var(--aero-cyan); font-weight: 600; }
.auth-switch a:hover { text-decoration: underline; }

.auth-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ui);
  font-size: 0.8438rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.auth-back:hover { color: var(--text-primary); }

/* =========================================================
   DASHBOARD (dashboard.html)
   ========================================================= */
.dashboard-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.sidebar {
  padding: 28px 20px;
  background: rgba(8, 20, 42, 0.55);
  border-right: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  padding: 0 8px;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
}
.sidebar-user-name { font-family: var(--font-heading); font-size: 0.875rem; font-weight: 600; }
.sidebar-user-plan { font-family: var(--font-ui); font-size: 0.75rem; color: var(--aero-cyan); }

.sidebar-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 0.9062rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
  border: 1px solid transparent;
}
.sidebar-link:hover { background: rgba(255,255,255,0.06); color: var(--text-primary); }
.sidebar-link.active {
  background: linear-gradient(180deg, rgba(79,195,247,0.22), rgba(79,195,247,0.06));
  border-color: rgba(79,195,247,0.35);
  color: var(--text-primary);
}
.sidebar-link.logout { margin-top: auto; color: #ff9a9a; }
.sidebar-link.logout:hover { background: rgba(255,90,90,0.1); color: #ffb3b3; }

.dashboard-main { padding: 40px 44px; overflow-y: auto; }

.dash-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 34px;
  flex-wrap: wrap;
  gap: 16px;
}
.dash-title { font-family: var(--font-display); font-size: 1.75rem; font-weight: 600; }
.dash-greeting { font-family: var(--font-body); font-size: 0.9375rem; color: var(--text-secondary); margin-top: 4px; }

.dash-panel { display: none; }
.dash-panel.active { display: block; animation: panel-in 0.35s ease; }
@keyframes panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.dash-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 30px; }

.dash-card {
  padding: 26px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.13), rgba(255,255,255,0.03));
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
}
.dash-card-label {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-ui); font-size: 0.8125rem; color: var(--text-secondary);
  margin-bottom: 10px;
}
.dash-card-value { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; }
.dash-card-sub { font-family: var(--font-body); font-size: 0.8125rem; color: var(--text-secondary); margin-top: 4px; }

.dash-section-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.0625rem;
  margin: 34px 0 16px;
}

.device-list { display: flex; flex-direction: column; gap: 12px; }
.device-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
}
.device-name { font-family: var(--font-heading); font-size: 0.9375rem; font-weight: 600; }
.device-meta { font-family: var(--font-ui); font-size: 0.8125rem; color: var(--text-secondary); }
.device-status {
  margin-left: auto;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(107,255,176,0.14);
  color: #6bffb0;
}

.settings-form { max-width: 420px; display: flex; flex-direction: column; gap: 18px; }

.social-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; max-width: 560px; }
.social-item {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
  transition: background 0.2s ease, transform 0.2s ease;
}
.social-item:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.social-name { font-family: var(--font-heading); font-size: 0.9375rem; font-weight: 600; }
.social-meta { font-family: var(--font-ui); font-size: 0.8125rem; color: var(--text-secondary); }

@media (max-width: 900px) {
  .dashboard-shell { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; align-items: center; overflow-x: auto; padding: 16px; }
  .sidebar-nav { flex-direction: row; }
  .sidebar-user { display: none; }
  .dashboard-main { padding: 24px; }
  .dash-cards { grid-template-columns: 1fr; }
  .social-grid { grid-template-columns: 1fr; }
}