/*
Theme Name: VPN Unlimited Lite Theme
Theme URI: https://example.com/vpn-unlimited-lite
Author: Your Name
Author URI: https://example.com
Description: Лёгкая адаптивная SEO-оптимизированная тема для VPN Unlimited на русском языке.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: vpnunlimited-lite
*/

:root {
    --vu-primary: #0097DA;
    --vu-primary-dark: #0073AC;
    --vu-accent: #21C18C;
    --vu-text: #333333;
    --vu-muted: #6B7280;
    --vu-bg: #F5F7FB;
    --vu-border: #E5E7EB;
    --vu-radius-lg: 18px;
    --vu-radius-md: 12px;
    --vu-shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.06);
    --vu-shadow-light: 0 4px 14px rgba(0, 0, 0, 0.04);
    --vu-header-height: 72px;
    --vu-max-width: 1180px;
    --vu-transition: 0.2s ease;
    --vu-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Reset / base */

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--vu-font-family);
    color: var(--vu-text);
    background-color: #ffffff;
    line-height: 1.6;
    font-size: 16px;
}

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

a {
    color: var(--vu-primary);
    text-decoration: none;
    transition: color var(--vu-transition);
}

a:hover,
a:focus {
    color: var(--vu-primary-dark);
}

ul {
    padding-left: 1.3rem;
}

button {
    font-family: inherit;
}

/* Layout helpers */

.vu-container {
    width: 100%;
    max-width: var(--vu-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.vu-section {
    padding: 3.5rem 0;
}

.vu-section--compact {
    padding: 2.5rem 0;
}

.vu-section--alt {
    background-color: var(--vu-bg);
}

.vu-section__header {
    text-align: center;
    margin-bottom: 2rem;
}

.vu-section__eyebrow {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--vu-muted);
    margin-bottom: 0.5rem;
}

.vu-section__title {
    font-size: 1.8rem;
    margin: 0 0 0.75rem;
}

.vu-section__subtitle {
    max-width: 640px;
    margin: 0.25rem auto 0;
    color: var(--vu-muted);
    font-size: 0.98rem;
}

/* Header */

.vu-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: #ffffff;
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04);
}

.vu-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--vu-header-height);
}

.vu-header__logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--vu-primary-dark);
}

.vu-header__logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 20%, #4fdbff 0, #0097da 40%, #0073ac 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--vu-shadow-light);
}

.vu-header__logo-mark span {
    font-size: 0.95rem;
    color: #ffffff;
    font-weight: 800;
}

.vu-header__nav-wrapper {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.vu-header__nav {
    display: none;
}

.vu-header__nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.vu-header__nav a {
    font-size: 0.95rem;
    color: var(--vu-muted);
    font-weight: 500;
}

.vu-header__nav a:hover,
.vu-header__nav a:focus,
.vu-header__nav .current-menu-item > a {
    color: var(--vu-primary-dark);
}

.vu-header__cta {
    display: none;
}

.vu-burger {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid var(--vu-border);
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    cursor: pointer;
}

.vu-burger__line {
    width: 16px;
    height: 2px;
    border-radius: 999px;
    background-color: var(--vu-primary-dark);
    transition: transform var(--vu-transition), opacity var(--vu-transition);
}

.vu-header--nav-open .vu-burger__line:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}

.vu-header--nav-open .vu-burger__line:nth-child(2) {
    opacity: 0;
}

.vu-header--nav-open .vu-burger__line:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
}

/* Mobile nav */

.vu-header__nav-mobile {
    display: none;
    border-top: 1px solid var(--vu-border);
    background-color: #ffffff;
}

.vu-header__nav-mobile ul {
    list-style: none;
    margin: 0;
    padding: 0.75rem 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.vu-header__nav-mobile a {
    display: block;
    padding: 0.4rem 0;
    color: var(--vu-text);
}

/* Hero */

.vu-hero {
    padding: 3.5rem 0 3rem;
    background: radial-gradient(circle at 0 0, rgba(0, 151, 218, 0.12), transparent 55%),
                radial-gradient(circle at 100% 10%, rgba(0, 115, 172, 0.14), transparent 50%);
}

.vu-hero__inner {
    display: flex;
    flex-direction: column;
    gap: 2.25rem;
}

.vu-hero__content {
    max-width: 640px;
}

.vu-hero__eyebrow {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--vu-primary-dark);
    margin-bottom: 0.6rem;
}

.vu-hero__title {
    font-size: 2rem;
    line-height: 1.15;
    margin: 0 0 0.8rem;
}

.vu-hero__subtitle {
    color: var(--vu-muted);
    margin: 0 0 1.5rem;
    font-size: 0.98rem;
}

.vu-hero__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.vu-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border-radius: 999px;
    padding: 0.25rem 0.7rem;
    font-size: 0.8rem;
    background-color: rgba(0, 151, 218, 0.07);
    color: var(--vu-primary-dark);
}

.vu-badge__dot {
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background-color: var(--vu-accent);
}

.vu-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.vu-hero__note {
    font-size: 0.8rem;
    color: var(--vu-muted);
}

.vu-hero__visual {
    flex: 1;
    max-width: 460px;
    align-self: center;
}

.vu-hero-visual {
    border-radius: var(--vu-radius-lg);
    padding: 1.4rem;
    background: linear-gradient(145deg, #03111f, #051b2e);
    color: #ffffff;
    box-shadow: var(--vu-shadow-soft);
}

.vu-hero-visual__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.vu-hero-visual__title {
    font-size: 0.95rem;
    font-weight: 500;
}

.vu-hero-visual__status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background-color: rgba(33, 193, 140, 0.15);
}

.vu-hero-visual__status-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background-color: var(--vu-accent);
}

.vu-hero-visual__map {
    height: 140px;
    border-radius: var(--vu-radius-md);
    background: radial-gradient(circle at 10% 0, rgba(0, 151, 218, 0.3), transparent 55%),
                radial-gradient(circle at 90% 100%, rgba(33, 193, 140, 0.25), transparent 50%);
    position: relative;
    overflow: hidden;
}

.vu-hero-visual__device-dots {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 0 1rem;
    font-size: 0.75rem;
    opacity: 0.95;
}

.vu-hero-visual__dot {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
}

.vu-hero-visual__dot-marker {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 0 6px rgba(0, 151, 218, 0.3);
}

.vu-hero-visual__footer {
    margin-top: 1rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Buttons */

.vu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.4rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: background-color var(--vu-transition), box-shadow var(--vu-transition),
                transform var(--vu-transition), color var(--vu-transition), border-color var(--vu-transition);
    text-decoration: none;
    white-space: nowrap;
}

.vu-btn--primary {
    background: linear-gradient(135deg, var(--vu-primary), var(--vu-primary-dark));
    color: #ffffff;
    box-shadow: var(--vu-shadow-soft);
}

.vu-btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 40px rgba(0, 151, 218, 0.35);
}

.vu-btn--outline {
    background-color: #ffffff;
    color: var(--vu-primary-dark);
    border: 1px solid rgba(0, 151, 218, 0.5);
}

.vu-btn--outline:hover {
    background-color: rgba(0, 151, 218, 0.04);
}

.vu-btn--ghost {
    background: transparent;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.vu-btn__label {
    margin-right: 0.25rem;
}

/* Grids / cards */

.vu-grid {
    display: grid;
    gap: 1.4rem;
}

.vu-grid--2 {
    grid-template-columns: 1fr;
}

.vu-grid--3 {
    grid-template-columns: 1fr;
}

.vu-card {
    background-color: #ffffff;
    border-radius: var(--vu-radius-lg);
    padding: 1.4rem;
    box-shadow: var(--vu-shadow-light);
    border: 1px solid rgba(15, 23, 42, 0.03);
}

.vu-card--soft {
    background-color: #f9fafb;
    border-style: dashed;
    border-color: rgba(148, 163, 184, 0.4);
}

.vu-card__eyebrow {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--vu-muted);
    margin-bottom: 0.45rem;
}

.vu-card__title {
    font-size: 1.05rem;
    margin: 0 0 0.4rem;
}

.vu-card__text {
    margin: 0 0 0.5rem;
    color: var(--vu-muted);
    font-size: 0.92rem;
}

.vu-card__meta {
    font-size: 0.8rem;
    color: var(--vu-muted);
}

/* Features */

.vu-feature-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.vu-feature {
    display: flex;
    gap: 0.7rem;
}

.vu-feature__icon {
    width: 26px;
    height: 26px;
    border-radius: 999px;
    background-color: rgba(0, 151, 218, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: var(--vu-primary-dark);
}

.vu-feature__body {
    font-size: 0.9rem;
}

.vu-feature__title {
    font-weight: 600;
    margin-bottom: 0.2rem;
}

/* Device chips */

.vu-devices {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.vu-chip {
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    background-color: #ffffff;
    border: 1px solid var(--vu-border);
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

/* Pricing */

.vu-pricing {
    display: grid;
    gap: 1.2rem;
}

.vu-pricing__card {
    position: relative;
    border-radius: var(--vu-radius-lg);
    padding: 1.4rem;
    background-color: #ffffff;
    box-shadow: var(--vu-shadow-light);
    border: 1px solid rgba(15, 23, 42, 0.04);
}

.vu-pricing__card--highlight {
    border-color: rgba(0, 151, 218, 0.5);
    box-shadow: 0 20px 45px rgba(0, 151, 218, 0.18);
}

.vu-pricing__badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background-color: var(--vu-primary-dark);
    color: #ffffff;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
}

.vu-pricing__name {
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.vu-pricing__price {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.vu-pricing__meta {
    font-size: 0.85rem;
    color: var(--vu-muted);
    margin-bottom: 0.75rem;
}

.vu-pricing__list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
    font-size: 0.9rem;
}

.vu-pricing__list li {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.3rem;
}

.vu-pricing__list li::before {
    content: "•";
    color: var(--vu-accent);
}

/* FAQ */

.vu-faq {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.vu-faq__item {
    border-radius: var(--vu-radius-md);
    background-color: #ffffff;
    border: 1px solid var(--vu-border);
    box-shadow: var(--vu-shadow-light);
    overflow: hidden;
}

.vu-faq__question {
    width: 100%;
    text-align: left;
    padding: 0.9rem 1rem;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 0.95rem;
}

.vu-faq__label {
    font-weight: 500;
}

.vu-faq__icon {
    font-size: 1.1rem;
    color: var(--vu-muted);
    transition: transform var(--vu-transition);
}

.vu-faq__answer {
    display: none;
    padding: 0 1rem 0.9rem;
    font-size: 0.9rem;
    color: var(--vu-muted);
    border-top: 1px solid var(--vu-border);
}

.vu-faq__item--open .vu-faq__answer {
    display: block;
}

.vu-faq__item--open .vu-faq__icon {
    transform: rotate(180deg);
}

/* Content blocks */

.vu-layout-two-cols {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.vu-layout-two-cols__main,
.vu-layout-two-cols__side {
    flex: 1;
}

.vu-list-check {
    list-style: none;
    margin: 0;
    padding: 0;
}

.vu-list-check li {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
    font-size: 0.92rem;
}

.vu-list-check li::before {
    content: "✓";
    color: var(--vu-accent);
}

/* CTA band */

.vu-cta-band {
    border-radius: var(--vu-radius-lg);
    padding: 1.6rem 1.4rem;
    background: linear-gradient(135deg, #0097da, #0073ac);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    align-items: flex-start;
}

.vu-cta-band__title {
    margin: 0;
    font-size: 1.3rem;
}

.vu-cta-band__subtitle {
    margin: 0;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Footer */

.vu-footer {
    padding: 2.5rem 0 1.8rem;
    background-color: #020817;
    color: #e5e7eb;
}

.vu-footer__top {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    margin-bottom: 2rem;
}

.vu-footer__col-title {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.6rem;
    color: #9ca3af;
}

.vu-footer__menu {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.9rem;
}

.vu-footer__menu li {
    margin-bottom: 0.3rem;
}

.vu-footer__menu a {
    color: #e5e7eb;
}

.vu-footer__menu a:hover {
    color: #ffffff;
}

.vu-footer__bottom {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: #9ca3af;
    border-top: 1px solid rgba(148, 163, 184, 0.35);
    padding-top: 1rem;
}

/* Page titles */

.vu-page-header {
    padding: 2.5rem 0 1.3rem;
    border-bottom: 1px solid var(--vu-border);
    background: radial-gradient(circle at 0 0, rgba(0, 151, 218, 0.08), transparent 50%);
}

.vu-page-header__eyebrow {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--vu-muted);
    margin-bottom: 0.4rem;
}

.vu-page-header__title {
    margin: 0 0 0.4rem;
    font-size: 1.7rem;
}

.vu-page-header__subtitle {
    margin: 0;
    color: var(--vu-muted);
    max-width: 640px;
    font-size: 0.96rem;
}

/* Generic content wrapper */

.vu-page-content {
    padding: 2rem 0 3rem;
}

.vu-page-content .entry-content {
    max-width: 780px;
    margin: 0 auto;
    font-size: 0.97rem;
}

.vu-page-content h2 {
    font-size: 1.35rem;
    margin-top: 1.8rem;
    margin-bottom: 0.7rem;
}

.vu-page-content h3 {
    font-size: 1.1rem;
    margin-top: 1.3rem;
    margin-bottom: 0.4rem;
}

.vu-page-content p {
    margin: 0 0 0.8rem;
}

.vu-page-content ul {
    margin-bottom: 1rem;
}

/* 404 */

.vu-404 {
    text-align: center;
    padding: 4rem 0 5rem;
}

.vu-404__code {
    font-size: 4rem;
    font-weight: 700;
    color: var(--vu-primary);
    margin-bottom: 0.5rem;
}

.vu-404__text {
    font-size: 1.05rem;
    margin-bottom: 1rem;
}

/* Responsive */

@media (min-width: 768px) {
    .vu-header__nav {
        display: block;
    }
    .vu-header__cta {
        display: inline-flex;
    }
    .vu-burger {
        display: none;
    }
    .vu-header__nav-mobile {
        display: none !important;
    }

    .vu-hero__inner {
        flex-direction: row;
        align-items: center;
    }

    .vu-hero__title {
        font-size: 2.4rem;
    }

    .vu-grid--2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .vu-grid--3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .vu-layout-two-cols {
        flex-direction: row;
        align-items: flex-start;
    }

    .vu-cta-band {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .vu-footer__top {
        flex-direction: row;
        justify-content: space-between;
    }

    .vu-footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

@media (min-width: 1024px) {
    .vu-hero {
        padding-top: 4rem;
        padding-bottom: 3.5rem;
    }
    .vu-section {
        padding: 4rem 0;
    }
}

.vu-pricing__head {
    margin-bottom: 1rem;
}

.vu-pricing__price-value {
    font-size: 2rem;
    font-weight: 700;
}

.vu-pricing__price-period {
    color: var(--vu-muted);
    font-size: 0.9rem;
    margin-left: 0.25rem;
}

.vu-pricing__save {
    margin-top: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--vu-accent);
}

.vu-pricing__card--highlight .vu-pricing__price-value {
    color: var(--vu-primary-dark);
}