/* =============================================
   VPS Дядя Ваня — Black & Orange Theme
   ============================================= */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --orange: #ff6a00;
    --orange-dark: #e05500;
    --orange-light: #fff3eb;
    --black: #0a0a0a;
    --black-light: #141414;
    --black-card: #1a1a1a;
    --gray-900: #1e1e1e;
    --gray-800: #2a2a2a;
    --gray-700: #3a3a3a;
    --gray-400: #8a8a8a;
    --gray-300: #b0b0b0;
    --white: #ffffff;
    --gray-100: #f5f5f5;
    --green: #22c55e;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 2px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.4);
    --transition: 0.25s ease;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-300);
    background: var(--black);
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5em;
    color: var(--white);
}

.section-subtitle {
    text-align: center;
    color: var(--gray-400);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.text-accent { color: var(--orange); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7em 1.5em;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    white-space: nowrap;
}

.btn--primary {
    background: var(--orange);
    color: var(--black);
}
.btn--primary:hover {
    background: var(--orange-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(255,106,0,0.3);
}

.btn--outline {
    background: transparent;
    border-color: var(--gray-700);
    color: var(--gray-300);
}
.btn--outline:hover {
    border-color: var(--orange);
    color: var(--orange);
}

.btn--white {
    background: var(--white);
    color: var(--black);
}
.btn--white:hover {
    background: var(--orange);
    color: var(--black);
    transform: translateY(-1px);
}

.btn--lg { padding: 0.85em 2em; font-size: 1.05rem; }
.btn--block { width: 100%; }

.btn--header {
    background: var(--orange);
    color: var(--black);
    padding: 0.55em 1.3em;
    font-size: 0.9rem;
}
.btn--header:hover { background: var(--orange-dark); }

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10,10,10,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-800);
    padding: 0.8rem 0;
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 1.3rem;
    font-weight: 700;
    flex-shrink: 0;
    color: var(--white);
}
.logo__icon { font-size: 1.6rem; color: var(--orange); }
.logo__accent { color: var(--orange); }

.nav__list { display: flex; gap: 0.3rem; }
.nav__link {
    padding: 0.5em 0.9em;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--gray-400);
    transition: all var(--transition);
}
.nav__link:hover {
    color: var(--orange);
    background: rgba(255,106,0,0.08);
}

.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(--white);
    border-radius: 2px;
    transition: all var(--transition);
}
.burger--active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.burger--active span:nth-child(2) { opacity: 0; }
.burger--active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Hero */
.hero {
    padding: 5rem 0 4rem;
    background: linear-gradient(170deg, var(--black) 0%, var(--black-light) 50%, rgba(255,106,0,0.05) 100%);
    overflow: hidden;
}

.hero__badge {
    display: inline-block;
    background: rgba(255,106,0,0.12);
    color: var(--orange);
    padding: 0.4em 1.2em;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255,106,0,0.2);
}

.hero__content { max-width: 700px; }

.hero__title {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
    color: var(--white);
}

.hero__subtitle {
    font-size: 1.15rem;
    color: var(--gray-400);
    margin-bottom: 2rem;
    max-width: 550px;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero__stats {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
}
.hero__stat { display: flex; flex-direction: column; }
.hero__stat-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--orange);
}
.hero__stat-label {
    font-size: 0.85rem;
    color: var(--gray-400);
    font-weight: 500;
}

/* Features */
.features { padding: 5rem 0; }

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--black-card);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius);
    padding: 2rem;
    transition: all var(--transition);
}
.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--orange);
}

.feature-card__icon {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,106,0,0.1);
    border-radius: var(--radius-sm);
    color: var(--orange);
}

.feature-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.feature-card__text { color: var(--gray-400); font-size: 0.95rem; }

/* Tariffs */
.tariffs {
    padding: 5rem 0;
    background: var(--black-light);
}

.tariffs__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    align-items: start;
}

.tariff-card {
    background: var(--black-card);
    border: 2px solid var(--gray-800);
    border-radius: var(--radius);
    padding: 2rem;
    position: relative;
    transition: all var(--transition);
}
.tariff-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.tariff-card--popular {
    border-color: var(--orange);
    box-shadow: 0 0 30px rgba(255,106,0,0.1);
}

.tariff-card__badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--orange);
    color: var(--black);
    padding: 0.3em 1.2em;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
}

.tariff-card__header {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-800);
}

.tariff-card__name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    color: var(--white);
}

.tariff-card__desc {
    color: var(--gray-400);
    font-size: 0.9rem;
}

.tariff-card__price {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
}

.tariff-card__price-value {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--orange);
}

.tariff-card__price-period {
    color: var(--gray-400);
    font-size: 0.95rem;
}

.tariff-card__list { margin-bottom: 1.5rem; }

.tariff-card__list li {
    padding: 0.45em 0;
    font-size: 0.93rem;
    color: var(--gray-300);
    border-bottom: 1px solid var(--gray-800);
    padding-left: 1.5em;
    position: relative;
}
.tariff-card__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--orange);
    font-weight: 700;
}

/* Locations */
.locations { padding: 5rem 0; }

.locations__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.location-card {
    text-align: center;
    padding: 2rem 1.5rem;
    border: 1px solid var(--gray-800);
    border-radius: var(--radius);
    background: var(--black-card);
    transition: all var(--transition);
}
.location-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: var(--orange);
}

.location-card__icon { font-size: 2.5rem; margin-bottom: 0.8rem; }
.location-card__city {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    color: var(--white);
}
.location-card__dc {
    color: var(--gray-400);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}
.location-card__ping {
    color: var(--orange);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Reviews */
.reviews {
    padding: 5rem 0;
    background: var(--black-light);
}

.reviews__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.review-card {
    background: var(--black-card);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius);
    padding: 2rem;
    transition: all var(--transition);
}
.review-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.review-card__stars {
    color: var(--orange);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.review-card__text {
    font-size: 0.95rem;
    color: var(--gray-300);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.review-card__author {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.review-card__name {
    font-weight: 700;
    color: var(--white);
    font-size: 0.95rem;
}

.review-card__role {
    font-size: 0.85rem;
    color: var(--gray-400);
}

/* FAQ */
.faq {
    padding: 5rem 0;
}

.faq__list {
    max-width: 780px;
    margin: 0 auto;
}

.faq-item {
    background: var(--black-card);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
    overflow: hidden;
    transition: box-shadow var(--transition);
}
.faq-item[open] {
    box-shadow: var(--shadow);
    border-color: var(--orange);
}

.faq-item__question {
    padding: 1.2rem 1.5rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--white);
    transition: color var(--transition);
}
.faq-item__question:hover { color: var(--orange); }
.faq-item__question::marker { display: none; content: ''; }
.faq-item__question::-webkit-details-marker { display: none; }

.faq-item__answer {
    padding: 0 1.5rem 1.2rem;
    color: var(--gray-400);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* CTA */
.cta { padding: 4rem 0; }

.cta__inner {
    background: linear-gradient(135deg, var(--orange), var(--orange-dark));
    border-radius: var(--radius);
    padding: 3.5rem 2rem;
    text-align: center;
    color: var(--black);
}

.cta__title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: 0.7rem;
}

.cta__text {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 1.8rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* Contacts */
.contacts {
    padding: 5rem 0;
    background: var(--black-light);
}

.contacts__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.contacts__info {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    justify-content: center;
}

.contact-item__title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-400);
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.contact-item__value {
    font-size: 1.05rem;
    color: var(--white);
    font-weight: 500;
}
a.contact-item__value:hover { color: var(--orange); }

.form-group { margin-bottom: 1rem; }

.form-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--white);
}

.form-input {
    width: 100%;
    padding: 0.75em 1em;
    border: 2px solid var(--gray-800);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font);
    transition: border-color var(--transition);
    background: var(--black-card);
    color: var(--white);
}
.form-input:focus {
    outline: none;
    border-color: var(--orange);
}

.form-textarea { min-height: 120px; resize: vertical; }

/* Footer */
.footer {
    background: var(--black);
    border-top: 1px solid var(--gray-800);
    padding-top: 3.5rem;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    gap: 3rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--gray-800);
}

.footer .logo { color: var(--white); }
.footer .logo__accent { color: var(--orange); }

.footer__tagline {
    margin-top: 0.6rem;
    font-size: 0.9rem;
    color: var(--gray-400);
}

.footer__links {
    display: flex;
    gap: 3.5rem;
}

.footer__col-title {
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.8rem;
}

.footer__col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer__col a {
    font-size: 0.9rem;
    color: var(--gray-400);
    transition: color var(--transition);
}
.footer__col a:hover { color: var(--orange); }

.footer__bottom {
    padding: 1.2rem 0;
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray-700);
}

/* Responsive */
@media (max-width: 900px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--black-light);
        border-bottom: 1px solid var(--gray-800);
        box-shadow: var(--shadow-lg);
        padding: 1rem;
    }
    .nav--open { display: block; }
    .nav__list { flex-direction: column; gap: 0.2rem; }
    .nav__link { display: block; padding: 0.8em 1em; }

    .btn--header { display: none; }
    .burger { display: flex; }

    .hero { padding: 3rem 0 2.5rem; }
    .hero__stats { gap: 1.5rem; }

    .contacts__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer__inner {
        flex-direction: column;
        gap: 2rem;
    }
    .footer__links { gap: 2rem; flex-wrap: wrap; }
}

@media (max-width: 600px) {
    .features__grid,
    .tariffs__grid,
    .locations__grid,
    .reviews__grid {
        grid-template-columns: 1fr;
    }
    .hero__title { font-size: 1.8rem; }
    .section-title { font-size: 1.5rem; }
}