:root {
  --bg: #0f172a;
  --surface: #111c36;
  --surface-2: #172554;
  --text: #f8fafc;
  --muted: #cbd5e1;
  --accent: #3d8dff;
  --border: rgba(255,255,255,.10);
  --shadow: 0 20px 60px rgba(0,0,0,.28);
}

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

html {
  margin: 0;
  padding: 0;
  width: 100%;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100vh;
  font-family: Inter, Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(61,141,255,.16), transparent 28%),
    radial-gradient(circle at bottom right, rgba(76,218,255,.10), transparent 24%),
    var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

img,
video,
iframe {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

/* HEADER */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6,11,29,.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
}

.brand,
.footer-brand {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
}

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

.nav a,
.nav-button {
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-weight: 600;
}

.nav-button:hover,
.nav a:hover {
  background: rgba(255,255,255,.08);
}

/* DROPDOWN */
.nav-dropdown,
.user-menu,
.user-submenu {
  position: relative;
}

.nav-dropdown-panel,
.user-menu-panel,
.user-submenu-panel {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 220px;
  padding: 8px;
  border-radius: 16px;
  background: rgba(12,21,47,.98);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  z-index: 2000;
}

.nav-dropdown-panel {
  left: 0;
  right: auto;
}

.nav-dropdown.open .nav-dropdown-panel,
.user-menu.open .user-menu-panel,
.user-submenu.open .user-submenu-panel {
  display: block;
}

.nav-dropdown-panel a,
.user-menu-panel a,
.user-submenu-panel a {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 12px;
  border-radius: 12px;
  color: #fff;
}

.nav-dropdown-panel a:hover,
.user-menu-panel a:hover,
.user-submenu-panel a:hover {
  background: rgba(255,255,255,.08);
}

.user-menu-item-title {
  color: #fff;
  font-weight: 700;
}

.user-menu-item-desc {
  color: var(--muted);
  font-size: .8rem;
}

/* HAMBURGER */
.hamburger {
  display: none;
  width: 42px;
  height: 38px;
  border: none;
  background: transparent;
  padding: 6px;
  flex-direction: column;
  justify-content: space-between;
}

.hamburger span {
  height: 3px;
  border-radius: 999px;
  background: #fff;
}

/* HERO */
.hero {
  padding: 140px 0 70px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
}

.hero-left {
  max-width: 650px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .82rem;
  font-weight: 800;
}

h1,
h2,
h3 {
  color: #fff;
  margin-top: 0;
  line-height: 1.15;
}

.hero h1 {
  font-size: clamp(2.3rem, 5vw, 4.4rem);
  margin-bottom: 20px;
}

.hero-text,
.section-header p,
.plan-card li,
.feature-card p,
.testimonial-card p,
.faq-answer,
.footer p,
.footer a,
.footer li {
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 999px;
  padding: 14px 24px;
  font-weight: 800;
  cursor: pointer;
  transition: .2s ease;
  text-align: center;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: #06101f;
}

.btn-secondary,
.btn-card,
.btn-order {
  background: rgba(255,255,255,.09);
  color: #fff;
}

.hero-card,
.plan-card,
.feature-card,
.testimonial-card,
.auth-form,
.contact-form,
.support-form,
.contact-card,
.auth-info {
  background: linear-gradient(180deg, rgba(20,34,70,.96), rgba(10,15,35,.96));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-card {
  width: min(420px, 100%);
  padding: 32px;
  border-radius: 28px;
}

.card-label {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(61,141,255,.18);
  color: var(--accent);
  margin-bottom: 14px;
  font-weight: 800;
}

.price {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  color: #fff;
}

.price span {
  font-size: 1rem;
  color: var(--muted);
}

/* SECTIONS */
.section {
  padding: 56px 0;
}

.section-alt {
  background: rgba(255,255,255,.025);
}

.section-header {
  max-width: 850px;
  margin: 0 auto 30px;
  text-align: center;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  margin-bottom: 12px;
}

/* CARDS */
.cards,
.feature-grid,
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  width: min(100%, 980px);
  margin: 0 auto;
}

.plan-card,
.feature-card,
.testimonial-card {
  padding: 24px;
  border-radius: 22px;
}

.plan-card-highlight {
  border-color: rgba(61,141,255,.55);
  background: linear-gradient(180deg, rgba(61,141,255,.22), rgba(15,23,57,.95));
}

.plan-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.plan-type,
.plan-price {
  color: #fff;
  font-weight: 900;
}

.plan-price span {
  color: var(--muted);
  font-size: .9rem;
}

.plan-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.plan-card li {
  margin-bottom: 8px;
}

.plan-card li::before {
  content: "•";
  color: var(--accent);
  margin-right: 8px;
}

.btn-order {
  width: 100%;
  margin-top: 18px;
}

/* BADGES */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.badge-card {
  padding: 16px;
  border-radius: 14px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
  text-align: center;
  color: #fff;
  font-weight: 700;
}

/* FAQ */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px;
  background: transparent;
  color: #fff;
  border: none;
  text-align: left;
  cursor: pointer;
  font-weight: 800;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 20px;
  transition: .25s ease;
}

.faq-item.open .faq-answer {
  max-height: 220px;
  padding: 0 20px 20px;
}

/* FORMS */
.form-panel,
.contact-panel,
.support-grid {
  width: min(100%, 900px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.auth-form,
.contact-form,
.support-form,
.contact-card,
.auth-info {
  padding: 24px;
  border-radius: 24px;
}

.form-group {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

label {
  color: #fff;
  font-weight: 700;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(255,255,255,.06);
  color: #fff;
  border-radius: 14px;
  padding: 14px 16px;
}

input::placeholder,
textarea::placeholder {
  color: #9ca3af;
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--accent);
  background: rgba(255,255,255,.09);
}

/* FOOTER */
.footer {
  padding: 56px 0 28px;
  background: rgba(7,12,28,.98);
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  text-align: center;
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-bottom,
.footer-legal {
  margin-top: 20px;
  text-align: center;
  color: var(--muted);
}

/* MOBILE */
@media (max-width: 1040px) {
  .hero-grid,
  .form-panel,
  .contact-panel,
  .support-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .cards,
  .feature-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
    width: min(100%, 620px);
  }

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

  .hero-right {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  .container {
    width: calc(100% - 24px);
  }

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

  .brand {
    font-size: .95rem;
    letter-spacing: .08em;
  }

  .hamburger {
    display: flex;
  }

  .nav {
    position: absolute;
    top: 66px;
    left: 12px;
    right: 12px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    background: rgba(6,11,29,.98);
    border: 1px solid var(--border);
    border-radius: 20px;
    transition: .25s ease;
  }

  .nav.open {
    padding: 16px;
    max-height: 80vh;
    overflow-y: auto;
    opacity: 1;
    visibility: visible;
  }

  .nav a,
  .nav-button,
  .user-menu-toggle,
  .nav-dropdown-toggle {
    width: 100%;
    text-align: center;
  }

  .nav-dropdown-panel,
  .user-menu-panel,
  .user-submenu-panel {
    position: static;
    min-width: 0;
    width: 100%;
    margin-top: 8px;
    box-shadow: none;
  }

  .hero {
    padding: 110px 0 42px;
  }

  .hero-actions .btn,
  .btn {
    width: 100%;
  }

  .plan-top {
    flex-direction: column;
  }

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

@media (max-width: 420px) {
  .container {
    width: calc(100% - 16px);
  }

  .hero h1 {
    font-size: 1.65rem;
  }

  .hero-card,
  .plan-card,
  .feature-card,
  .testimonial-card,
  .auth-form,
  .contact-form,
  .contact-card {
    padding: 16px;
    border-radius: 18px;
  }
}