@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg: #080818;
  --bg-elevated: #0c0c18;
  --bg-elevated-2: #121228;
  --border: #1a1a35;
  --text: #f0f0f8;
  --text-dim: #8b8ba0;
  --red: #ff1f3d;
  --violet: #b31fd6;
  --blue: #3d2bff;
  --gradient: linear-gradient(100deg, var(--red) 0%, var(--violet) 52%, var(--blue) 100%);
  --danger: #ff4d6a;
  --glass-bg: rgba(12, 12, 24, 0.7);
  --glass-border: rgba(255, 255, 255, 0.05);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --shadow-glow: 0 0 20px rgba(179, 31, 214, 0.15), 0 0 60px rgba(255, 31, 61, 0.08);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ===== ЖИВОЙ ФОН ===== */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background: 
    radial-gradient(ellipse 70% 60% at 15% 20%, rgba(61, 43, 255, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 85% 80%, rgba(179, 31, 214, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(255, 31, 61, 0.06) 0%, transparent 60%),
    linear-gradient(180deg, #080818 0%, #0a0a20 50%, #080818 100%);
}

.bg-orb { display: none; }

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.container {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HEADER ===== */
header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: linear-gradient(to bottom, rgba(0,0,0,0.8), rgba(0,0,0,0.4));
  margin: 0 -24px;
  padding-left: 24px;
  padding-right: 24px;
}

header.site .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  text-decoration: none;
  color: var(--text);
}

header.site .logo img { height: 36px; width: 36px; display: block; border-radius: 10px; box-shadow: 0 0 0 1px var(--border); }

header.site .logo .accent {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 8px rgba(179, 31, 214, 0.4));
}

header.site nav { display: flex; align-items: center; }

header.site nav a, header.site nav .link-button {
  color: var(--text-dim);
  text-decoration: none;
  margin-left: 28px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

header.site nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: width 0.3s ease;
  border-radius: 2px;
}

header.site nav a:hover { color: var(--text); }
header.site nav a:hover::after { width: 100%; }

.link-button {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-dim);
  font-size: 0.9rem;
  cursor: pointer;
  font-family: inherit;
  font-weight: 500;
  transition: var(--transition);
}

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

main { padding: 40px 0 100px; animation: fadeIn 0.6s ease-out; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== HERO ===== */
.hero { padding: 60px 0 40px; max-width: 640px; }

.hero h1 {
  font-size: 2.8rem;
  margin: 0 0 16px;
  letter-spacing: -0.03em;
  line-height: 1.1;
  background: linear-gradient(180deg, #fff 0%, #a0a0b0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .lead {
  color: var(--text-dim);
  font-size: 1.15rem;
  line-height: 1.6;
  margin: 0 0 24px;
  max-width: 480px;
}

.hero-rule {
  width: 80px;
  height: 5px;
  margin: 0 0 32px;
  background: var(--gradient);
  border-radius: 999px;
  box-shadow: 0 0 20px rgba(179, 31, 214, 0.5), 0 0 40px rgba(255, 31, 61, 0.3);
}

/* ===== TYPOGRAPHY ===== */
h1 {
  font-size: 3rem;
  margin: 0 0 14px;
  letter-spacing: -0.04em;
  font-weight: 900;
  line-height: 1.1;
  background: linear-gradient(180deg, #fff 0%, #a0a0b0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h2 { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 10px; }

p.lead { color: var(--text-dim); max-width: 520px; font-size: 1.1rem; line-height: 1.6; font-weight: 400; }

/* ===== GRID & CARDS ===== */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-top: 36px; }

.card {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: var(--gradient);
  opacity: 0.7;
  transition: opacity 0.3s;
}

.card::after {
  content: "";
  position: absolute;
  top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle at 50% 0%, rgba(179,31,214,0.08), transparent 70%);
  opacity: 0; transition: opacity 0.4s; pointer-events: none;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(179, 31, 214, 0.25);
  box-shadow: var(--shadow-glow);
}

.card:hover::after { opacity: 1; }

.card.featured {
  border-color: rgba(179, 31, 214, 0.35);
  box-shadow: 0 0 0 1px rgba(179, 31, 214, 0.15) inset, var(--shadow-glow);
}

.card.featured::before { opacity: 1; height: 3px; }

/* ===== PRICING ===== */
.price {
  font-size: 2.2rem;
  font-weight: 900;
  margin: 18px 0 6px;
  letter-spacing: -0.03em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.price small { font-size: 0.9rem; color: var(--text-dim); font-weight: 500; opacity: 0.8; }

.price-alt { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 22px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  color: #fff;
  background: var(--gradient);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(179, 31, 214, 0.25), 0 0 0 1px rgba(255,255,255,0.1) inset;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(179, 31, 214, 0.4), 0 0 0 1px rgba(255,255,255,0.15) inset;
  filter: brightness(1.1);
}

.btn:hover::before { left: 100%; }

.btn.secondary {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

.btn.secondary:hover {
  border-color: var(--violet);
  color: var(--text);
  background: rgba(179, 31, 214, 0.08);
  box-shadow: 0 0 20px rgba(179, 31, 214, 0.15);
}

/* ===== FORMS ===== */
form.stacked { display: flex; flex-direction: column; gap: 18px; max-width: 420px; }

form.stacked input, form.stacked select, form.stacked textarea,
form.stacked input[type="text"], form.stacked input[type="email"],
form.stacked input[type="password"], form.stacked input[type="number"] {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}

form.stacked input:focus, form.stacked select:focus, form.stacked textarea:focus,
form.stacked input[type="text"]:focus, form.stacked input[type="email"]:focus,
form.stacked input[type="password"]:focus, form.stacked input[type="number"]:focus {
  outline: none;
  border-color: var(--violet);
  box-shadow: 0 0 0 3px rgba(179, 31, 214, 0.15);
}

form.stacked label {
  font-size: 0.82rem;
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.errorlist { color: var(--danger); font-size: 0.85rem; list-style: none; padding: 0; margin: 4px 0 0; }
.errorlist li { padding: 0; }
.helptext { font-size: 0.8rem; color: var(--text-dim); display: block; margin-top: 4px; }

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}

.badge.active {
  background: rgba(255, 31, 61, 0.1);
  color: #ff5c74;
  border-color: rgba(255, 31, 61, 0.25);
  box-shadow: 0 0 12px rgba(255, 31, 61, 0.1);
}

.badge.expired, .badge.disabled {
  background: rgba(139, 139, 152, 0.08);
  color: var(--text-dim);
  border-color: var(--border);
}

/* ===== TABLES ===== */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  margin-top: 24px;
}

table { width: 100%; border-collapse: collapse; font-size: 0.94rem; }

th, td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--border); }

th {
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  background: rgba(255,255,255,0.02);
}

tr:last-child td { border-bottom: none; }
tr { transition: background 0.2s; }
tbody tr:hover { background: rgba(255,255,255,0.02); }

/* ===== MESSAGES ===== */
.messages { list-style: none; padding: 0; margin: 0 0 28px; }

.messages li {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-left: 3px solid var(--violet);
  margin-bottom: 10px;
  font-size: 0.95rem;
  backdrop-filter: blur(8px);
  animation: slideIn 0.4s ease-out;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ===== FOOTER ===== */
footer.site {
  border-top: 1px solid var(--glass-border);
  padding: 40px 0 60px;
  margin-top: 60px;
}

.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: var(--transition);
}

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

/* ===== SOCIAL ===== */
.footer-social-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 14px;
}

.footer-social-icons { display: flex; gap: 14px; margin-bottom: 24px; }

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: var(--transition);
}

.social-icon:hover {
  border-color: var(--violet);
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 20px rgba(179, 31, 214, 0.2);
  background: rgba(179, 31, 214, 0.08);
}

.social-icon svg { width: 22px; height: 22px; display: block; flex-shrink: 0; }

/* ===== SMALL BUTTONS ===== */
.btn-xs {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.82rem;
  text-decoration: none;
  color: #fff;
  background: var(--gradient);
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap;
  box-shadow: 0 2px 10px rgba(179, 31, 214, 0.2);
}

.btn-xs:hover { filter: brightness(1.15); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(179, 31, 214, 0.35); }

.btn-xs.off {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  box-shadow: none;
}

.btn-xs.off:hover { border-color: var(--violet); color: var(--text); background: rgba(179, 31, 214, 0.06); }

/* ===== TOGGLE ===== */
.toggle-row { display: flex; align-items: center; gap: 14px; }

.toggle-switch { position: relative; display: inline-block; width: 48px; height: 26px; flex-shrink: 0; }

.toggle-switch input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: var(--transition);
}

.toggle-slider::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  background: var(--text-dim);
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.toggle-switch input:checked + .toggle-slider {
  background: rgba(255, 31, 61, 0.15);
  border-color: var(--red);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(22px);
  background: var(--gradient);
}

.toggle-label { font-size: 0.9rem; font-weight: 600; }
.toggle-label.on { color: #ff5c74; }
.toggle-label.off { color: var(--text-dim); }

/* ===== DURATIONS ===== */
.duration-list { margin-top: 22px; display: flex; flex-direction: column; gap: 10px; }

.duration-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated-2);
  transition: var(--transition);
  cursor: pointer;
}

.duration-row:hover { border-color: rgba(179, 31, 214, 0.3); background: rgba(179, 31, 214, 0.04); }

.duration-label { font-weight: 600; font-size: 0.95rem; }

.duration-price { font-size: 0.88rem; color: var(--text-dim); margin-top: 2px; }

/* ===== LEGAL ===== */
.legal-block { margin-top: 80px; padding-top: 48px; border-top: 1px solid var(--glass-border); }
.legal-block h2 { margin-bottom: 16px; }

.legal-text { color: var(--text-dim); font-size: 0.95rem; white-space: pre-line; max-width: 720px; line-height: 1.7; }

/* ===== METHOD CHOICE ===== */
.method-choice {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.method-choice label {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  cursor: pointer;
  text-align: center;
  transition: var(--transition);
  background: var(--bg-elevated);
  font-weight: 500;
  font-size: 0.95rem;
}

.method-choice label:hover { border-color: rgba(179, 31, 214, 0.4); }

.method-choice label:has(input:checked) {
  border-color: var(--violet);
  background: rgba(179, 31, 214, 0.08);
  box-shadow: 0 0 20px rgba(179, 31, 214, 0.12);
}

.method-choice input { display: none; }

/* ===== MISC ===== */
.muted { color: var(--text-dim); }
.text-gradient { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.glow-text { text-shadow: 0 0 20px rgba(179, 31, 214, 0.5); }

/* ===== AUTH ===== */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  padding: 40px 20px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}

.auth-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient);
}

.auth-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 8px 24px rgba(179,31,214,0.3);
}

.auth-icon svg { width: 28px; height: 28px; color: #fff; }

.auth-card h1 {
  font-size: 1.6rem;
  background: linear-gradient(180deg, #fff 0%, #a0a0b0 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 6px;
}

.auth-card .lead { font-size: 0.95rem; margin-bottom: 28px; }

.auth-footer {
  text-align: center;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}

.auth-footer a { color: var(--text); font-weight: 600; text-decoration: none; transition: var(--transition); }
.auth-footer a:hover { color: var(--violet); }

.auth-state { text-align: center; padding: 20px 0; }

.auth-state-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 0 30px rgba(179,31,214,0.3);
}

.auth-state-icon svg { width: 32px; height: 32px; color: #fff; }
.auth-state-icon.error { background: linear-gradient(135deg, var(--red), #ff6b6b); box-shadow: 0 0 30px rgba(255,31,61,0.3); }

/* ===== PROFILE / DASHBOARD ===== */
.profile-header { display: flex; align-items: center; gap: 20px; margin-bottom: 32px; }

.profile-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 900; color: #fff;
  box-shadow: 0 0 30px rgba(179,31,214,0.3);
  flex-shrink: 0;
}

.profile-info h1 { font-size: 1.8rem; margin: 0; }
.profile-info .lead { margin: 4px 0 0; }

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 36px;
}

.stat-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 24px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-3px);
  border-color: rgba(179,31,214,0.25);
  box-shadow: var(--shadow-glow);
}

.stat-label {
  font-size: 0.8rem; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.06em;
  font-weight: 600; margin-bottom: 8px;
}

.stat-value {
  font-size: 2rem; font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.section-title {
  font-size: 1.15rem; font-weight: 800;
  margin: 48px 0 20px;
  display: flex; align-items: center; gap: 12px;
}

.section-title::before {
  content: "";
  width: 4px; height: 24px;
  background: var(--gradient);
  border-radius: 2px;
}

/* ===== SUBSCRIPTIONS ===== */
.sub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.sub-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 28px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.sub-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--gradient); opacity: 0.7;
}

.sub-card:hover {
  transform: translateY(-4px);
  border-color: rgba(179,31,214,0.25);
  box-shadow: var(--shadow-glow);
}

.sub-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.sub-card-title { font-size: 1.15rem; font-weight: 800; margin: 0; }

.sub-card-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0;
}

.sub-meta-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
}

.sub-meta-label {
  font-size: 0.72rem; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.sub-meta-value { font-size: 0.95rem; font-weight: 600; }

.sub-card-actions {
  display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

/* ===== DEVICES ===== */
.device-list { margin-top: 8px; display: flex; flex-direction: column; gap: 6px; }

.device-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: var(--transition);
}

.device-row:hover { border-color: rgba(179,31,214,0.25); background: rgba(179,31,214,0.04); }

.device-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--gradient);
  box-shadow: 0 0 8px rgba(179,31,214,0.4);
  flex-shrink: 0;
}

.device-info { min-width: 0; }

.device-name {
  font-size: 0.92rem; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.tariff-desc {
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.5;
  margin: 8px 0 14px;
  white-space: pre-line;
}

/* ===== FEATURES ===== */
.features-section { margin-top: 60px; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 24px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  text-align: left;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: var(--gradient);
  opacity: 0.7;
  transition: opacity 0.3s;
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: rgba(179, 31, 214, 0.25);
  box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
  opacity: 1;
}
/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  h1 { font-size: 2rem; }
  .grid { grid-template-columns: 1fr; gap: 16px; }
  header.site { padding: 16px 0; }
  header.site nav a, header.site nav .link-button { margin-left: 16px; font-size: 0.85rem; }
  main { padding: 40px 0 60px; }
  .card { padding: 24px 20px; }
  .hero h1 { font-size: 2rem; }
  .features-grid { grid-template-columns: 1fr; }
  .sub-grid { grid-template-columns: 1fr; }
}
.btn-support {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--gradient);
  color: #fff !important;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 4px 20px rgba(179, 31, 214, 0.3), 0 0 0 1px rgba(255,255,255,0.1) inset;
  transition: var(--transition);
}

.btn-support:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(179, 31, 214, 0.45), 0 0 0 1px rgba(255,255,255,0.15) inset;
  filter: brightness(1.15);
}