/* ============================================================
   VPN SITE v3.0 — Dark Space / Aurora / Crimson themes
   ============================================================ */

/* ---- Themes ---- */
:root, [data-theme="space"] {
    --bg:        #050A14;
    --bg2:       #0A1628;
    --bg3:       #0F1E38;
    --accent:    #4F8EF7;
    --accent2:   #7B5CF0;
    --glow:      rgba(79,142,247,0.35);
    --glow2:     rgba(123,92,240,0.25);
    --text:      #E8EDF5;
    --text2:     #8899B8;
    --border:    rgba(79,142,247,0.15);
    --glass:     rgba(255,255,255,0.04);
    --glass2:    rgba(255,255,255,0.07);
    --card-bg:   rgba(10,22,40,0.8);
    --radius:    16px;
    --radius-sm: 10px;
}
[data-theme="aurora"] {
    --bg:        #030D0B;
    --bg2:       #071A16;
    --bg3:       #0C2820;
    --accent:    #00C9A7;
    --accent2:   #00E5FF;
    --glow:      rgba(0,201,167,0.35);
    --glow2:     rgba(0,229,255,0.2);
    --text:      #E0F5F2;
    --text2:     #7ABFB5;
    --border:    rgba(0,201,167,0.15);
    --glass:     rgba(0,201,167,0.04);
    --glass2:    rgba(0,201,167,0.08);
    --card-bg:   rgba(7,26,22,0.85);
}
[data-theme="crimson"] {
    --bg:        #0D0508;
    --bg2:       #1A0810;
    --bg3:       #280C18;
    --accent:    #FF4D6D;
    --accent2:   #FF8C42;
    --glow:      rgba(255,77,109,0.35);
    --glow2:     rgba(255,140,66,0.2);
    --text:      #F5E8EC;
    --text2:     #BF8899;
    --border:    rgba(255,77,109,0.15);
    --glass:     rgba(255,77,109,0.04);
    --glass2:    rgba(255,77,109,0.08);
    --card-bg:   rgba(26,8,16,0.85);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.4s, color 0.4s;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Theme Switcher (hidden by default, shown only in admin preview) ---- */
.theme-switcher {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    z-index: 1000;
    display: none;
    flex-direction: column;
    gap: 10px;
    background: var(--glass2);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 30px;
    padding: 10px 8px;
}
body.admin-preview .theme-switcher { display: flex; }
.theme-dot {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.2s, border-color 0.2s;
}
.theme-dot.active { border-color: #fff; transform: scale(1.2); }
.theme-dot:hover { transform: scale(1.15); }

/* ---- Header ---- */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 900;
    padding: 16px 0;
    transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
}
.header.scrolled {
    background: rgba(5,10,20,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}
.header__inner {
    display: flex;
    align-items: center;
    gap: 32px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.2rem;
    flex-shrink: 0;
}
.logo__symbol {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 900;
    color: #fff;
    box-shadow: 0 0 16px var(--glow);
}
.nav { margin-left: auto; }
.nav__list { display: flex; gap: 32px; }
.nav__link {
    color: var(--text2);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}
.nav__link:hover { color: var(--text); }
.header__actions { display: flex; align-items: center; gap: 12px; }
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.burger span {
    display: block;
    width: 24px; height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: 0.3s;
}
.mobile-nav {
    display: none;
    padding: 16px 24px 20px;
    border-top: 1px solid var(--border);
    background: var(--bg2);
}
.mobile-nav.open { display: block; }
.mobile-nav ul { display: flex; flex-direction: column; gap: 16px; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    transition: all 0.25s;
    white-space: nowrap;
}
.btn--primary {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: #fff;
}
.btn--primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn--glow { box-shadow: 0 0 24px var(--glow); }
.btn--glow:hover { box-shadow: 0 0 40px var(--glow); }
.btn--outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}
.btn--outline:hover { border-color: var(--accent); color: var(--accent); }
.btn--ghost {
    background: var(--glass2);
    border: 1px solid var(--border);
    color: var(--text);
    backdrop-filter: blur(8px);
}
.btn--ghost:hover { background: var(--glass); border-color: var(--accent); }

/* ---- Section headings ---- */
.section-heading { text-align: center; margin-bottom: 56px; }
.section-eyebrow {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}
.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}
.section-text { color: var(--text2); max-width: 560px; margin: 0 auto; }

/* ---- Hero ---- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
}
#globeCanvas {
    position: absolute;
    top: 0; right: -5%;
    width: 65%;
    height: 100%;
    pointer-events: none;
    opacity: 0.85;
}
.hero__particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}
.hero__content {
    position: relative;
    z-index: 2;
    max-width: 580px;
    padding: 80px 0;
}
.hero__eyebrow {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.hero__eyebrow::before {
    content: '';
    display: block;
    width: 24px; height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.hero__title {
    font-size: clamp(2.4rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text) 60%, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero__text {
    color: var(--text2);
    font-size: 1.05rem;
    margin-bottom: 32px;
    max-width: 480px;
}
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
.hero__stats {
    display: flex;
    gap: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}
.hero__stat-num {
    display: block;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
}
.hero__stat-label { font-size: 0.8rem; color: var(--text2); }
.hero__scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}
.hero__scroll span {
    display: block;
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    margin: 0 auto;
    animation: scrollPulse 2s ease-in-out infinite;
    border-radius: 2px;
}
@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ---- Trust bar ---- */
.trust {
    padding: 24px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--glass);
}
.trust__inner {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
    justify-content: center;
}
.trust__label { color: var(--text2); font-size: 0.85rem; }
.trust__logos { display: flex; gap: 24px; flex-wrap: wrap; }
.trust__logos span {
    color: var(--text2);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 4px 12px;
    border: 1px solid var(--border);
    border-radius: 20px;
    transition: border-color 0.2s, color 0.2s;
}
.trust__logos span:hover { border-color: var(--accent); color: var(--accent); }

/* ---- Advantages (Bento Grid) ---- */
.advantages { padding: 100px 0; }
.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: 16px;
}
.bento-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    backdrop-filter: blur(12px);
    transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}
.bento-card::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;
}
.bento-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 16px 48px var(--glow); }
.bento-card:hover::before { opacity: 1; }
.bento-card--wide { grid-column: span 2; }
.bento-card--tall { grid-row: span 2; }
.bento-card__icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 20px;
    box-shadow: 0 0 20px var(--glow);
}
.bento-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.bento-card p { color: var(--text2); font-size: 0.9rem; line-height: 1.6; }
.bento-card__tag {
    display: inline-block;
    margin-top: 16px;
    padding: 4px 12px;
    background: var(--glass2);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
}

/* ---- Plans ---- */
.plans { padding: 100px 0; background: var(--bg2); }
.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}
.plan-loading { text-align: center; padding: 60px; color: var(--text2); }
.plan-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    backdrop-filter: blur(12px);
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}
.plan-card:hover { transform: translateY(-6px) rotateX(2deg); box-shadow: 0 24px 64px var(--glow); border-color: var(--accent); }
.plan-card--popular {
    border-color: var(--accent);
    box-shadow: 0 0 40px var(--glow);
}
.plan-card--popular::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--glow), transparent 60%);
    pointer-events: none;
}
.plan-card__badge {
    position: absolute;
    top: 16px; right: 16px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    letter-spacing: 0.05em;
}
.plan-card__header { margin-bottom: 24px; }
.plan-card__title { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; }
.plan-card__price .price {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--accent);
    display: block;
}
.plan-card__price .period { font-size: 0.8rem; color: var(--text2); }
.plan-card__features { margin-bottom: 24px; display: flex; flex-direction: column; gap: 10px; }
.plan-card__features li { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--text2); }
.plan-card__features li i { color: var(--accent); font-size: 0.75rem; }

/* ---- How to ---- */
.howto { padding: 100px 0; }
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}
.step {
    display: flex;
    gap: 20px;
    padding: 28px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(12px);
    transition: border-color 0.3s, transform 0.3s;
}
.step:hover { border-color: var(--accent); transform: translateY(-3px); }
.step__num {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent);
    opacity: 0.4;
    font-variant-numeric: tabular-nums;
    line-height: 1;
    flex-shrink: 0;
    font-family: 'JetBrains Mono', monospace;
}
.step__body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step__body p { font-size: 0.875rem; color: var(--text2); }
.howto__cta { text-align: center; }

/* ---- Contacts ---- */
.contacts { padding: 100px 0; background: var(--bg2); }
.contacts__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}
.contacts__list { margin-top: 24px; display: flex; flex-direction: column; gap: 12px; }
.contacts__list li { display: flex; align-items: center; gap: 12px; color: var(--text2); }
.contacts__list i { color: var(--accent); width: 20px; }
.contacts__list a:hover { color: var(--accent); }
.contacts__form { display: flex; flex-direction: column; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label { font-size: 0.85rem; font-weight: 600; color: var(--text2); }
.form-field input, .form-field textarea {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--text);
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color 0.2s;
    outline: none;
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--accent); }
.form-field textarea { min-height: 120px; resize: vertical; }

/* ---- CTA Section ---- */
.cta-section { padding: 100px 0; }
.cta-section__inner {
    text-align: center;
    padding: 80px 40px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}
.cta-section__glow {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 400px; height: 400px;
    background: radial-gradient(circle, var(--glow) 0%, transparent 70%);
    pointer-events: none;
}
.cta-section__inner h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; margin: 12px 0; }
.cta-section__inner p { color: var(--text2); margin-bottom: 32px; }

/* ---- Footer ---- */
.footer { padding: 60px 0 32px; border-top: 1px solid var(--border); }
.footer__inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 48px;
    margin-bottom: 40px;
}
.footer__brand p { color: var(--text2); font-size: 0.875rem; margin-top: 12px; max-width: 280px; }
.footer__links { display: flex; gap: 48px; }
.footer__col h4 { font-size: 0.85rem; font-weight: 700; margin-bottom: 16px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.08em; }
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col a { color: var(--text2); font-size: 0.875rem; transition: color 0.2s; }
.footer__col a:hover { color: var(--accent); }
.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    color: var(--text2);
    font-size: 0.8rem;
}
.footer__socials { display: flex; gap: 12px; }
.footer__socials a {
    width: 36px; height: 36px;
    background: var(--glass2);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text2);
    transition: all 0.2s;
}
.footer__socials a:hover { border-color: var(--accent); color: var(--accent); }

/* ---- Animations ---- */
[data-animate] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    #globeCanvas { width: 55%; opacity: 0.5; }
    .bento-grid { grid-template-columns: 1fr 1fr; }
    .bento-card--wide { grid-column: span 2; }
    .bento-card--tall { grid-row: auto; }
}
@media (max-width: 768px) {
    .nav { display: none; }
    .btn--ghost { display: none; }
    .burger { display: flex; }
    #globeCanvas { width: 100%; opacity: 0.25; right: 0; }
    .hero__content { max-width: 100%; }
    .hero__stats { gap: 20px; }
    .bento-grid { grid-template-columns: 1fr; }
    .bento-card--wide { grid-column: span 1; }
    .contacts__inner { grid-template-columns: 1fr; gap: 40px; }
    .footer__inner { grid-template-columns: 1fr; }
    .footer__links { flex-wrap: wrap; gap: 32px; }
    .theme-switcher { right: 12px; }
}
@media (max-width: 480px) {
    .hero__cta { flex-direction: column; }
    .hero__stats { flex-direction: column; gap: 16px; }
    .steps { grid-template-columns: 1fr; }
}