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

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;1,9..40,400&display=swap');

:root {
  --bg: #080a0f;
  --bg2: #0e1118;
  --bg3: #141820;
  --bg4: #1c2130;
  --border: rgba(255,255,255,0.07);
  --border2: rgba(255,255,255,0.12);
  --accent: #00d4ff;
  --accent2: #7b61ff;
  --accent-glow: rgba(0,212,255,0.15);
  --text: #e2e8f4;
  --muted: #5a6478;
  --muted2: #8492a6;
  --green: #00e676;
  --red: #ff4757;
  --radius: 14px;
  --font: 'DM Sans', system-ui, sans-serif;
  --font-display: 'Syne', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; cursor: pointer; }
a:hover { text-decoration: underline; }

/* ── Nav ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 2.5rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(8,10,15,0.88);
  backdrop-filter: blur(18px);
  z-index: 100;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.nav-links a {
  color: var(--muted2);
  font-size: 14px;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* ── Buttons ── */
.btn {
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: 10px;
  padding: 0.55rem 1.3rem;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
  letter-spacing: -0.01em;
}
.btn:hover { opacity: 0.88; transform: translateY(-1px); box-shadow: 0 4px 20px var(--accent-glow); }
.btn:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border2);
  border-radius: 10px;
  padding: 0.55rem 1.3rem;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.btn-outline:hover { border-color: var(--accent); background: rgba(0,212,255,0.06); }

.btn-full { width: 100%; padding: 0.8rem; font-size: 15px; }

/* ── Hero ── */
.hero {
  max-width: 820px;
  margin: 7rem auto 5rem;
  padding: 0 2rem;
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse at center, rgba(0,212,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.8rem;
  text-transform: uppercase;
}

.hero-tag-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6.5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin-bottom: 1.3rem;
  color: var(--text);
}

h1 span {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  color: var(--muted2);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto 2.2rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.hero-stat { color: var(--muted); font-size: 14px; }
.hero-stat strong { color: var(--text); font-weight: 500; }

/* ── Sections ── */
.section {
  max-width: 960px;
  margin: 0 auto 6rem;
  padding: 0 2rem;
}

.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2.2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--accent);
}

/* ── Features ── */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}

.feature {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.25s, transform 0.2s;
  position: relative;
  overflow: hidden;
}

.feature::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature:hover { border-color: rgba(0,212,255,0.2); transform: translateY(-2px); }
.feature:hover::before { opacity: 1; }

.feature-icon {
  width: 42px;
  height: 42px;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
}

.feature-icon svg {
  width: 19px;
  height: 19px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.feature p { color: var(--muted2); font-size: 14px; line-height: 1.65; }

/* ── Price ── */
.price-block {
  display: flex;
  align-items: center;
  gap: 3rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.2rem 2.8rem;
  margin-bottom: 1.6rem;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}

.price-block::after {
  content: '';
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.price-main {
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--text);
}

.price-main sub {
  font-family: var(--font);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0;
}

.price-period { color: var(--muted2); font-size: 14px; margin-bottom: 0.9rem; }

.price-includes {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.price-includes li {
  font-size: 13px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.price-includes li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ── Auth ── */
.auth-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 66px);
  padding: 2rem;
}

.auth-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2.8rem;
  width: 100%;
  max-width: 420px;
  position: relative;
}

.auth-box::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  border-radius: 0 0 4px 4px;
}

.auth-box h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
  letter-spacing: -0.02em;
}

.auth-box p { color: var(--muted2); font-size: 14px; margin-bottom: 2rem; }

.field { margin-bottom: 1.1rem; }

.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted2);
  margin-bottom: 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.field input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 1rem;
  font-size: 14px;
  font-family: var(--font);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}

.auth-footer {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  margin-top: 1.4rem;
}

/* ── Cabinet ── */
.cabinet {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.8rem 2rem;
}

.cabinet-header { margin-bottom: 2.2rem; }
.cabinet-header h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
  letter-spacing: -0.02em;
}
.cabinet-header p { color: var(--muted2); font-size: 14px; }

.cabinet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.2rem;
  margin-bottom: 1.2rem;
}

.cabinet-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
}

.cabinet-card h4 {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.2rem;
}

.status-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
.status-row:last-child { border-bottom: none; }

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  flex-shrink: 0;
}
.dot.off { background: var(--muted); box-shadow: none; }

.status-label { font-size: 14px; flex: 1; }
.status-val { font-size: 12px; color: var(--muted2); font-family: monospace; }

.stat-sub { font-size: 13px; color: var(--muted); margin-bottom: 1rem; }

/* ── Device rows ── */
.device-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border);
  gap: 0.5rem;
}
.device-row:last-child { border-bottom: none; }

.device-name { font-size: 14px; flex: 1; }
.device-paused { font-size: 11px; color: var(--red); margin-left: 0.4rem; }
.device-actions { display: flex; gap: 0.4rem; align-items: center; }

.btn-copy-link {
  background: rgba(0,212,255,0.1);
  color: var(--accent);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 7px;
  padding: 0.25rem 0.8rem;
  font-size: 12px;
  font-family: var(--font);
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}
.btn-copy-link:hover { background: rgba(0,212,255,0.18); }
.btn-copy-link.copied { background: rgba(0,230,118,0.1); color: var(--green); border-color: rgba(0,230,118,0.2); }

.btn-rm {
  background: rgba(255,71,87,0.1);
  color: var(--red);
  border: 1px solid rgba(255,71,87,0.2);
  border-radius: 7px;
  padding: 0.25rem 0.6rem;
  font-size: 12px;
  font-family: var(--font);
  cursor: pointer;
  transition: background 0.2s;
}
.btn-rm:hover { background: rgba(255,71,87,0.2); }

/* ── Add device form ── */
.add-device-form {
  margin-top: 1.1rem;
  display: flex;
  gap: 0.5rem;
}

.add-device-form input {
  flex: 1;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.55rem 0.9rem;
  font-size: 13px;
  font-family: var(--font);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}
.add-device-form input:focus { border-color: var(--accent); }

.price-hint { font-size: 12px; color: var(--muted); margin-top: 0.5rem; }
.empty-devices { text-align: center; padding: 1.6rem 0; }
.empty-devices p { color: var(--muted); font-size: 14px; margin-bottom: 1rem; }

/* ── Countdown ── */
.countdown {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.countdown.expired { color: var(--red); }
.countdown.active { color: var(--accent); }

/* ── User info rows ── */
.user-info-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.user-info-row:last-child { border-bottom: none; }
.user-info-label { color: var(--muted); }

/* ── Platform links ── */
.platform-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 0.9rem;
}

.platform-btn {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 0.55rem 0.8rem;
  text-decoration: none;
  color: var(--text);
  font-size: 12px;
  transition: border-color 0.2s, background 0.2s;
}
.platform-btn:hover { border-color: var(--accent); background: rgba(0,212,255,0.05); text-decoration: none; }
.platform-btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.platform-label { display: flex; flex-direction: column; line-height: 1.25; }
.platform-label span:first-child { font-size: 10px; color: var(--muted); }
.platform-label span:last-child { font-size: 12px; font-weight: 500; }

/* ── Footer ── */
footer {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 1.5rem;
  color: var(--muted);
  font-size: 13px;
  flex-wrap: wrap;
}

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

/* ─────────────────────────────────────
   MOBILE (≤ 600px)
───────────────────────────────────── */
@media (max-width: 600px) {

  nav { padding: 0.85rem 1.3rem; }
  .nav-links { gap: 0.6rem; }
  .nav-text { display: none !important; }

  .hero {
    margin: 3rem auto 3.5rem;
    padding: 0 1.3rem;
  }

  h1 { font-size: 2.2rem; }

  .hero-sub { font-size: 0.9rem; margin-bottom: 1.8rem; }

  .hero-cta { flex-direction: column; align-items: stretch; gap: 0.9rem; }
  .hero-cta .btn { width: 100%; text-align: center; }
  .hero-stat { text-align: center; }

  .section { padding: 0 1.3rem; margin-bottom: 3.5rem; }
  .features { grid-template-columns: 1fr; gap: 1rem; }
  .feature { padding: 1.4rem; }

  .price-block {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.1rem;
    padding: 1.6rem;
  }
  .price-main { font-size: 3.5rem; }
  .price-cta .btn { width: 100%; text-align: center; display: block !important; }

  .auth-wrap { align-items: flex-start; padding: 1.3rem 1rem; }
  .auth-box { padding: 1.8rem 1.3rem; border-radius: 14px; }

  .cabinet { padding: 1.4rem 1rem; }
  .cabinet-grid { grid-template-columns: 1fr; gap: 1rem; }
  .cabinet-card { padding: 1.3rem; }

  footer { flex-direction: column; gap: 0.4rem; padding: 1.6rem 1.3rem; }
}