/* ===========================
   VPNUS Landing
   Тёмно-бирюзовая тема, акцент #02c1b3
   =========================== */

:root {
  --bg:        #000606;
  --bg-2:      #000404;
  --bg-soft:   #001a17;
  --surface:   rgba(2, 193, 179, .04);
  --surface-2: rgba(255, 255, 255, .03);

  --accent:       #02c1b3;
  --accent-2:     #03d4c5;
  --accent-soft:  rgba(2, 193, 179, .15);
  --accent-line:  rgba(2, 193, 179, .35);
  --warn:         #ffc107;

  --text:     #ffffff;
  --text-2:   #ececec;
  --muted:    rgba(236, 236, 236, .65);
  --border:   rgba(255, 255, 255, .08);
  --border-2: rgba(2, 193, 179, .25);

  --radius:   18px;
  --radius-sm: 12px;
  --radius-lg: 28px;

  --shadow:  0 20px 60px -20px rgba(0, 0, 0, .6);
  --shadow-glow: 0 0 40px -10px rgba(2, 193, 179, .45);

  --font: "Rubik", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

  --container: 1200px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-2: cubic-bezier(.16, 1, .3, 1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; font-weight: 700; letter-spacing: -.02em; }
p { margin: 0; }

/* Containers */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #000;
  padding: 8px 14px;
  border-radius: 0 0 8px 0;
  z-index: 200;
}
.skip-link:focus { left: 0; }

/* ===========================
   Animated background
   =========================== */
.bg-animation {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(2, 193, 179, .15), transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(2, 193, 179, .1), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}
.bg-grid {
  position: absolute;
  inset: -2px;
  background-image:
    linear-gradient(rgba(2, 193, 179, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(2, 193, 179, .04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
}
.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .45;
  animation: float 30s ease-in-out infinite;
  will-change: transform;
  pointer-events: none;
}
.bg-glow--1 { width: 520px; height: 520px; background: rgba(2, 193, 179, .3); top: -100px; left: -120px; }
.bg-glow--2 { width: 600px; height: 600px; background: rgba(3, 200, 186, .2); bottom: -200px; right: -150px; animation-delay: -10s; }
.bg-glow--3 { width: 380px; height: 380px; background: rgba(255, 193, 7, .08); top: 50%; left: 60%; animation-delay: -20s; }

.bg-noise {
  position: absolute;
  inset: 0;
  opacity: .03;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  mix-blend-mode: overlay;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(40px, -30px) scale(1.08); }
  66%      { transform: translate(-25px, 25px) scale(.95); }
}

/* ===========================
   Header
   =========================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: rgba(0, 6, 6, .7);
  border-bottom: 1px solid var(--border);
  transition: background .5s ease, border-color .5s ease;
}
.header.is-scrolled {
  background: rgba(0, 6, 6, .92);
  border-bottom-color: var(--border-2);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}
.logo__img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(2, 193, 179, .55));
  animation: logo-pulse 4s ease-in-out infinite;
}
@keyframes logo-pulse {
  0%, 100% { filter: drop-shadow(0 0 12px rgba(2, 193, 179, .55)); }
  50%      { filter: drop-shadow(0 0 22px rgba(2, 193, 179, .85)); }
}
.logo__text {
  font-size: 20px;
  letter-spacing: .01em;
  background: linear-gradient(120deg, #fff 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav {
  display: flex;
  gap: 6px;
  align-items: center;
}
.nav a {
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 400;
  transition: color .2s, background .2s;
}
.nav a:hover { color: var(--accent-2); background: var(--accent-soft); }

.header__cta {
  display: flex;
  gap: 8px;
  align-items: center;
}
.header__cta .btn {
  width: auto;
  padding: 10px 18px;
  font-size: 13px;
}

.burger {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  gap: 5px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.burger span {
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 20px 16px;
  background: rgba(0, 6, 6, .97);
  border-top: 1px solid var(--border);
}
.mobile-nav a {
  padding: 12px 14px;
  border-radius: 10px;
  color: var(--text);
}
.mobile-nav a:hover { background: var(--accent-soft); }
.mobile-nav.is-open { display: flex; }

/* ===========================
   Buttons — site_mirror style
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 18px 28px;
  border-radius: 999px;
  font-family: var(--font);
  font-weight: 400;
  font-size: 17px;
  letter-spacing: .01em;
  cursor: pointer;
  transition: background .4s ease, transform .4s ease, box-shadow .4s ease, border-color .4s ease;
  white-space: nowrap;
  text-decoration: none;
  text-align: center;
  border: none;
  position: relative;
  will-change: transform;
  transform: translateZ(0);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--accent);
  color: #000404;
  border: 2px solid var(--accent-2);
}
.btn--primary:hover {
  background: #03d4c5;
  box-shadow: 0 0 0 6px rgba(2, 193, 179, .12), 0 4px 20px rgba(2, 193, 179, .2);
}

.btn--telegram {
  background: rgba(2, 193, 179, .1);
  color: #fff;
  border: 2px solid var(--accent-2);
}
.btn--telegram:hover {
  background: rgba(2, 193, 179, .18);
  transform: translateY(-2px);
}

.btn--ghost {
  background: rgba(2, 193, 179, .1);
  color: #fff;
  border: 2px solid var(--accent-2);
}
.btn--ghost:hover {
  background: rgba(2, 193, 179, .18);
  transform: translateY(-2px);
}

.btn--sm { padding: 12px 20px; font-size: 14px; }
.btn--lg { padding: 20px 32px; font-size: 18px; }
.btn--xl { padding: 22px 36px; font-size: 19px; }
.btn--block { display: flex; width: 100%; }

.btn i {
  flex-shrink: 0;
  line-height: 1;
}

/* ===========================
   Reveal-on-scroll
   =========================== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s ease, transform 1s ease;
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-reveal]:nth-child(2) { transition-delay: .08s; }
.reveal[data-reveal]:nth-child(3) { transition-delay: .16s; }
.reveal[data-reveal]:nth-child(4) { transition-delay: .24s; }

/* ===========================
   Hero
   =========================== */
.hero {
  position: relative;
  padding: 44px 0 0;
  text-align: center;
  overflow: hidden;
}
.hero__inner { max-width: 900px; margin: 0 auto; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-2);
  background: var(--accent-soft);
  border: 1px solid var(--border-2);
  border-radius: 999px;
  margin-bottom: 14px;
}
.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 0 rgba(3, 212, 197, .7);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(3, 212, 197, .7); }
  70%  { box-shadow: 0 0 0 12px rgba(3, 212, 197, 0); }
  100% { box-shadow: 0 0 0 0 rgba(3, 212, 197, 0); }
}

.hero__title {
  font-size: clamp(34px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 14px;
  letter-spacing: -.03em;
}
.grad {
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-2) 50%, #fff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% auto;
  animation: gradient-pan 8s ease infinite;
}
@keyframes gradient-pan {
  0%, 100% { background-position: 0% center; }
  50%      { background-position: 100% center; }
}

.hero__subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-2);
  max-width: 740px;
  margin: 0 auto 14px;
}
.hero__subtitle strong { color: var(--accent-2); font-weight: 600; }

/* Trial banner — выделяется */
.trial-banner {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 14px 22px;
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(255, 193, 7, .12), rgba(2, 193, 179, .1));
  border: 1px solid rgba(255, 193, 7, .3);
  box-shadow: 0 0 40px -10px rgba(255, 193, 7, .3);
  margin-bottom: 14px;
  animation: trial-glow 4s ease-in-out infinite;
}
@keyframes trial-glow {
  0%, 100% { box-shadow: 0 0 40px -10px rgba(255, 193, 7, .3); }
  50%      { box-shadow: 0 0 50px -8px rgba(255, 193, 7, .5); }
}
.trial-banner__lead { font-size: 15px; color: var(--text-2); }
.trial-banner__main { font-size: 22px; color: var(--warn); font-weight: 700; }
.trial-banner__sub {
  font-size: 13px;
  color: var(--muted);
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .05);
}

.hero__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.hero__meta {
  display: flex;
  gap: 8px 18px;
  justify-content: center;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px;
}
.hero__meta span {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 520px;
  margin: 0 auto;
}
.metrics__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: center;
}
.metrics__num {
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 700;
  background: linear-gradient(120deg, #fff, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.metrics__label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.scroll-cue {
  width: 22px;
  height: 36px;
  border: 2px solid var(--border-2);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
  margin: 28px auto;
}
.scroll-cue span {
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent-2);
  animation: scroll-cue 1.6s ease-in-out infinite;
}
@keyframes scroll-cue {
  0%   { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

/* ===========================
   Platforms trust bar
   =========================== */
.platforms {
  padding: 24px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(0, 4, 4, .35);
}
.platforms__title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--muted);
  text-align: center;
  margin-bottom: 12px;
}
.platforms__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.platforms__row span {
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-weight: 500;
  font-size: 15px;
  color: var(--text-2);
  transition: all .5s ease;
}
.platforms__row span:hover {
  background: rgba(2, 193, 179, .12);
  border-color: var(--border-2);
  color: var(--accent-2);
  transform: translateY(-2px);
}

/* ===========================
   Section commons
   =========================== */
section { padding: 90px 0; position: relative; }
.section__title {
  font-size: clamp(28px, 4vw, 44px);
  text-align: center;
  margin-bottom: 14px;
}
.section__lead {
  text-align: center;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 18px);
  max-width: 640px;
  margin: 0 auto 56px;
}
.section__lead strong { color: var(--accent-2); font-weight: 600; }

/* ===========================
   Features
   =========================== */
.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.feature-card {
  padding: 28px 24px;
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, rgba(2, 193, 179, .04), transparent 60%),
    rgba(0, 0, 0, .3);
  border: 1px solid var(--border);
  transition: transform .5s ease, box-shadow .5s ease, border-color .5s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 0%, rgba(2, 193, 179, .15), transparent 55%);
  opacity: 0;
  transition: opacity .5s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-2);
  box-shadow: 0 8px 40px -12px rgba(2, 193, 179, .25);
}
.feature-card:hover::before { opacity: 1; }

.feature-card__icon {
  margin-bottom: 16px;
  color: var(--accent-2);
  filter: drop-shadow(0 4px 14px rgba(2, 193, 179, .35));
  line-height: 1;
}
.feature-card__title {
  font-size: 18px;
  margin-bottom: 10px;
  color: #fff;
}
.feature-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* ===========================
   How-to
   =========================== */
.how__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 32px 28px;
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, rgba(2, 193, 179, .04), transparent 60%),
    rgba(0, 0, 0, .25);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform .5s ease, border-color .5s ease, box-shadow .5s ease;
}
.step:hover {
  transform: translateY(-4px);
  border-color: var(--border-2);
  box-shadow: 0 8px 40px -12px rgba(2, 193, 179, .25);
}
.step__num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--accent-2);
  background: var(--accent-soft);
  border: 1px solid var(--border-2);
  margin-bottom: 20px;
  box-shadow: inset 0 0 18px rgba(2, 193, 179, .25);
}
.step__title {
  font-size: 20px;
  margin-bottom: 12px;
}
.step p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 20px;
}
.step__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

/* ===========================
   Pricing
   =========================== */
.pricing__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 28px 28px;
  margin: 0 auto 48px;
  max-width: 640px;
  border-radius: var(--radius);
  background:
    linear-gradient(120deg, rgba(255, 193, 7, .15), rgba(2, 193, 179, .15));
  border: 1px solid rgba(255, 193, 7, .35);
  box-shadow: 0 0 60px -20px rgba(255, 193, 7, .5);
  text-align: center;
}
.pricing__cta-text { font-size: 17px; }
.pricing__cta-text strong { color: var(--warn); }
.pricing__cta-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.plan {
  position: relative;
  padding: 30px 26px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(2, 193, 179, .04), rgba(0, 0, 0, .35));
  border: 1px solid var(--border);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
}
.plan:hover {
  transform: translateY(-6px);
  border-color: var(--border-2);
  box-shadow: var(--shadow);
}
.plan__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--accent);
  color: #001a17;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  box-shadow: var(--shadow-glow);
}
.plan__badge--alt {
  background: var(--warn);
  color: #001a17;
  box-shadow: 0 0 25px -5px rgba(255, 193, 7, .7);
}

.plan--popular {
  border-color: var(--border-2);
  box-shadow: var(--shadow-glow);
  background:
    linear-gradient(180deg, rgba(2, 193, 179, .08), rgba(0, 0, 0, .3));
}
.plan--best {
  border-color: rgba(255, 193, 7, .4);
  background:
    linear-gradient(180deg, rgba(255, 193, 7, .08), rgba(0, 0, 0, .3));
}

.plan__title { font-size: 18px; color: var(--text-2); font-weight: 500; }
.plan__price { margin: 4px 0; }
.plan__amount {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700;
  letter-spacing: -.03em;
  background: linear-gradient(120deg, #fff, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.plan--best .plan__amount {
  background: linear-gradient(120deg, #fff, var(--warn));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.plan__period { font-size: 13px; color: var(--muted); margin-bottom: 6px; }

.plan__list { display: flex; flex-direction: column; gap: 10px; margin: 8px 0 18px; }
.plan__list li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  color: var(--text-2);
}
.plan__list li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: var(--accent-2);
  font-weight: 700;
}

/* ===========================
   CTA banner
   =========================== */
.cta-banner {
  padding: 80px 0;
  text-align: center;
  background:
    radial-gradient(circle at 50% 50%, rgba(2, 193, 179, .1), transparent 55%),
    linear-gradient(180deg, transparent, rgba(2, 193, 179, .02));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(2, 193, 179, .06);
  filter: blur(120px);
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  animation: cta-pulse 6s ease-in-out infinite;
}
@keyframes cta-pulse {
  0%, 100% { opacity: .5; transform: translateX(-50%) scale(1); }
  50%      { opacity: .8; transform: translateX(-50%) scale(1.1); }
}
.cta-banner__title {
  font-size: clamp(26px, 4vw, 42px);
  margin-bottom: 14px;
}
.cta-banner__sub {
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 18px);
  margin-bottom: 30px;
}
.cta-banner__actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ===========================
   Referral program
   =========================== */
.referral {
  padding: 80px 0;
  position: relative;
}
.referral__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  padding: 40px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(2, 193, 179, .08), rgba(0, 0, 0, .3)),
    rgba(0, 0, 0, .2);
  border: 1px solid var(--border-2);
  position: relative;
  overflow: hidden;
}
.referral__inner::before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(2, 193, 179, .1);
  filter: blur(100px);
  top: -150px;
  right: -100px;
}
.referral__title {
  font-size: clamp(24px, 3vw, 34px);
  margin-bottom: 12px;
}
.referral__text {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 24px;
  max-width: 480px;
}
.referral__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 1;
}
.referral__icon {
  font-size: 56px;
  margin-bottom: 8px;
  color: var(--accent-2);
  filter: drop-shadow(0 4px 20px rgba(2, 193, 179, .4));
  line-height: 1;
}
.referral__bonus {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.referral__sub {
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .1em;
}

/* ===========================
   FAQ
   =========================== */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.acc {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 0;
  overflow: hidden;
  transition: border-color .3s, background .3s;
}
.acc[open] { border-color: var(--border-2); background: rgba(2, 193, 179, .05); }
.acc summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 22px;
  font-weight: 500;
  font-size: 16px;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  transition: color .2s;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after {
  content: "+";
  font-size: 24px;
  color: var(--accent-2);
  font-weight: 300;
  transition: transform .3s var(--ease);
  flex-shrink: 0;
}
.acc[open] summary::after { transform: rotate(45deg); }
.acc summary:hover { color: var(--accent-2); }
.acc__body {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: 15px;
  animation: acc-slide .4s var(--ease);
}
.acc__body a { color: var(--accent-2); text-decoration: underline; }
.acc__body strong { color: var(--accent-2); }
@keyframes acc-slide {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===========================
   Footer
   =========================== */
.footer {
  padding: 50px 0 110px;
  border-top: 1px solid var(--border);
  background: rgba(0, 4, 4, .6);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer__brand { display: flex; gap: 12px; align-items: center; }
.footer__brand img { width: 48px; height: 46px; }
.footer__brand strong { font-size: 18px; }
.footer__brand p { font-size: 13px; color: var(--muted); }

.footer__nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.footer__nav a {
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
  transition: color .2s, background .2s;
}
.footer__nav a:hover { color: var(--accent-2); background: var(--accent-soft); }

.footer__cta { display: flex; gap: 8px; }
.footer__cta .btn {
  width: auto;
  padding: 10px 18px;
  font-size: 13px;
}

.footer__legal {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}
.footer__legal a { color: var(--accent-2); text-decoration: underline; }
.disclaimer { max-width: 540px; }

/* ===========================
   Sticky mobile CTA
   =========================== */
.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 95;
  display: none;
  gap: 8px;
  padding: 12px 14px calc(12px + env(safe-area-inset-bottom));
  background: rgba(0, 6, 6, .92);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border-2);
}
.sticky-cta .btn { flex: 1; }

/* ===========================
   Responsive
   =========================== */
@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .pricing__grid  { grid-template-columns: repeat(2, 1fr); }
  .how__steps     { grid-template-columns: 1fr; }
  .metrics        { grid-template-columns: repeat(3, 1fr); }
  .referral__inner { grid-template-columns: 1fr; text-align: center; }
  .referral__text  { margin-left: auto; margin-right: auto; }
  .referral__visual { flex-direction: row; gap: 20px; flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 760px) {
  .nav, .header__cta { display: none; }
  .burger { display: flex; }
  .mobile-nav.is-open { display: flex; }

  section { padding: 60px 0; }
  .hero { padding: 50px 0 70px; }
  .features__grid { grid-template-columns: 1fr; gap: 12px; }
  .pricing__grid  { grid-template-columns: 1fr; gap: 14px; }
  .metrics        { grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 18px; }
  .pricing__cta   { flex-direction: column; text-align: center; }

  .footer__inner  { flex-direction: column; align-items: flex-start; }
  .footer__legal  { flex-direction: column; align-items: flex-start; }

  .sticky-cta { display: flex; }
}

@media (max-width: 420px) {
  .hero__actions .btn,
  .cta-banner__actions .btn,
  .pricing__cta-buttons .btn { width: 100%; }
}

/* ===========================
   Reduced motion
   =========================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001s !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}