/* PON.az / Fiberon — основной стиль. v4 */
:root {
    --bg: #ffffff;
    --bg-soft: #f6f8fb;
    --text: #0f1419;
    --text-2: #56606b;
    --accent: #0b5cff;
    --accent-hover: #0047d1;
    --accent-soft: rgba(11, 92, 255, 0.08);
    --border: rgba(15, 20, 25, 0.08);
    --glass: rgba(255, 255, 255, 0.82);
    --card: rgba(255, 255, 255, 0.78);
    --success: #0a7d3c;
    --danger: #c62828;
    --radius: 20px;
    --nav-h: 76px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    overflow-x: hidden;
}
body.no-scroll { overflow: hidden; }
img { max-width: 100%; }
a { color: var(--accent); }
button, input, textarea { font: inherit; color: inherit; }

.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
    position: absolute; left: 16px; top: -60px; z-index: 300000;
    background: var(--text); color: #fff; padding: 10px 16px; border-radius: 10px;
    text-decoration: none; transition: top .2s;
}
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid rgba(11, 92, 255, .45); outline-offset: 2px; }
.center { text-align: center; }

#nanoCanvas {
    position: fixed; inset: 0; width: 100%; height: 100%;
    z-index: -1; pointer-events: none;
}

/* ---------- Кнопки ---------- */
.btn-primary, .btn-outline {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 30px; border-radius: 999px;
    font-size: 15px; font-weight: 700; text-decoration: none; cursor: pointer;
    transition: background .2s, color .2s, box-shadow .2s, transform .2s;
}
.btn-primary {
    background: var(--accent); color: #fff; border: 2px solid var(--accent);
    box-shadow: 0 6px 18px rgba(11, 92, 255, .22);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); transform: translateY(-1px); }
.btn-primary:disabled { opacity: .6; cursor: wait; transform: none; }
.btn-outline { background: transparent; color: var(--accent); border: 2px solid var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; box-shadow: 0 8px 20px rgba(11, 92, 255, .2); }
.btn-block { width: 100%; }

/* ---------- Шапка ---------- */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    height: var(--nav-h);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 clamp(16px, 4vw, 60px);
    background: var(--glass);
    -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}
.logo {
    font-size: 26px; font-weight: 800; letter-spacing: -.5px;
    color: var(--text); text-decoration: none;
}
.logo span { color: var(--accent); }
.logo-img { display: flex; align-items: center; line-height: 0; }
.logo-img img { height: 54px; width: auto; display: block; }
@media (max-width: 520px) { .logo-img img { height: 40px; } }
.logo-sm { font-size: 22px; }

.nav-menu { display: flex; align-items: center; gap: 24px; }
.nav-link { white-space: nowrap; }
.nav-link {
    color: var(--text-2); text-decoration: none; font-size: 15px; font-weight: 500;
    transition: color .2s;
}
.nav-link:hover, .nav-link.active-page { color: var(--accent); }
.nav-link.active-page { font-weight: 700; }
.nav-phone {
    font-weight: 700; color: var(--text); text-decoration: none; font-size: 15px;
    padding-left: 28px; border-left: 1px solid var(--border); white-space: nowrap;
}
.nav-phone:hover { color: var(--accent); }
.lang-switcher { display: flex; gap: 2px; background: var(--bg-soft); border-radius: 999px; padding: 3px; }
.lang-btn {
    text-decoration: none; color: var(--text-2);
    font-size: 13px; font-weight: 700; padding: 4px 10px; border-radius: 999px;
}
.lang-btn.active { background: #fff; color: var(--accent); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.btn-cabinet {
    background: var(--text); color: #fff; text-decoration: none;
    padding: 11px 24px; border-radius: 999px; font-size: 14px; font-weight: 600; white-space: nowrap;
    transition: background .2s, box-shadow .2s, transform .2s;
}
.btn-cabinet:hover { background: var(--accent); box-shadow: 0 6px 20px rgba(11,92,255,.3); transform: translateY(-1px); }

.hamburger {
    display: none; width: 44px; height: 44px; padding: 10px;
    background: none; border: 0; cursor: pointer; border-radius: 12px;
}
.hamburger span {
    display: block; height: 2px; margin: 5px 0; border-radius: 2px;
    background: var(--text); transition: transform .25s, opacity .25s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1200px) {
    .hamburger { display: block; }
    .nav-menu {
        position: fixed; top: var(--nav-h); left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        padding: 8px 20px 24px;
        background: #fff; border-bottom: 1px solid var(--border);
        box-shadow: 0 20px 40px rgba(0,0,0,.08);
        max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
        transform: translateY(-8px); opacity: 0; visibility: hidden;
        transition: opacity .2s, transform .2s, visibility .2s;
    }
    .nav-menu.active { transform: none; opacity: 1; visibility: visible; }
    .nav-link { padding: 14px 4px; font-size: 17px; border-bottom: 1px solid var(--border); }
    .nav-phone { padding: 16px 4px; border-left: 0; font-size: 17px; }
    .lang-switcher { align-self: flex-start; margin: 4px 0 16px; }
    .btn-cabinet { text-align: center; padding: 14px; }
}

/* ---------- Контент ---------- */
.content-wrapper { padding-top: var(--nav-h); }

.hero-section {
    text-align: center; max-width: 900px; margin: 0 auto;
    padding: clamp(60px, 10vw, 110px) 20px 50px;
}
.hero-section h1 {
    font-size: clamp(44px, 8vw, 72px); font-weight: 800; letter-spacing: -2px;
    margin: 0 0 12px; line-height: 1.05;
}
.hero-slogan { font-size: clamp(18px, 2.4vw, 22px); color: var(--text-2); margin: 0 0 36px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.features {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
    max-width: 1200px; margin: 0 auto; padding: 20px 20px 60px;
}
.feature {
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 26px 24px; -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.feature-icon {
    width: 44px; height: 44px; padding: 10px; border-radius: 12px;
    background: var(--accent-soft); color: var(--accent); margin-bottom: 14px;
}
.feature-icon svg, .card-icon svg { width: 100%; height: 100%; display: block; }
.feature h3 { margin: 0 0 6px; font-size: 18px; }
.feature p { margin: 0; color: var(--text-2); font-size: 14.5px; }
@media (max-width: 960px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .features { grid-template-columns: 1fr; } }

.about-block {
    max-width: 900px; margin: 0 auto; padding: clamp(24px, 4vw, 44px);
    background: var(--card); border: 1px solid var(--border); border-radius: 24px;
    -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.content-wrapper > .about-block { margin: 0 20px; }
@media (min-width: 940px) { .content-wrapper > .about-block { margin: 0 auto; } }
.about-block h2 { margin: 0 0 16px; font-size: 26px; }
.about-block p { color: var(--text-2); font-size: 16px; line-height: 1.7; margin: 0 0 14px; }
.about-block p:last-child { margin-bottom: 0; }

.section-container { max-width: 1200px; margin: 0 auto; padding: clamp(50px, 8vw, 80px) 20px; }
.section-title {
    text-align: center; font-size: clamp(28px, 4vw, 38px); font-weight: 800;
    letter-spacing: -.5px; margin: 0 0 14px;
}
.section-lead {
    text-align: center; color: var(--text-2); font-size: 17px;
    max-width: 680px; margin: 0 auto 44px;
}
.section-lead a { font-weight: 600; text-decoration: none; white-space: nowrap; }

/* ---------- Тарифы ---------- */
.tariffs-grid {
    display: grid; gap: 24px;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.tariffs-grid-2 { max-width: 820px; margin: 0 auto; }
.premium-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 24px;
    padding: 40px 32px; text-align: center;
    -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
    transition: transform .3s cubic-bezier(.16,1,.3,1), box-shadow .3s, border-color .3s;
    display: flex; flex-direction: column;
}
.premium-card:hover { border-color: rgba(11,92,255,.25); box-shadow: 0 20px 40px rgba(11,92,255,.07); transform: translateY(-4px); }
.card-icon { width: 52px; height: 52px; color: var(--accent); margin: 0 auto 18px; }
.premium-card h3 { margin: 0 0 12px; font-size: 22px; }
.card-speed { font-size: 46px; font-weight: 800; color: var(--accent); line-height: 1.1; margin-bottom: 8px; }
.card-speed span { font-size: 16px; font-weight: 500; color: var(--text-2); }
.card-price { font-size: 26px; font-weight: 700; margin-bottom: 30px; }
.card-price span { font-size: 14px; font-weight: 500; color: var(--text-2); }
.premium-card .btn-block { margin-top: auto; }

/* ---------- Таблица colocation ---------- */
.table-container {
    overflow-x: auto; background: var(--card); border: 1px solid var(--border);
    border-radius: 24px; margin-bottom: 30px;
}
.premium-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 15px; }
.premium-table th, .premium-table td { padding: 18px 24px; border-bottom: 1px solid var(--border); }
.premium-table thead th { background: var(--bg-soft); font-weight: 700; white-space: nowrap; }
.premium-table tbody th { font-weight: 700; }
.premium-table td { color: var(--text-2); }
.premium-table .td-price { color: var(--text); font-weight: 700; white-space: nowrap; }
.premium-table tbody tr:last-child > * { border-bottom: 0; }
@media (max-width: 760px) {
    .premium-table thead { display: none; }
    .premium-table, .premium-table tbody, .premium-table tr, .premium-table th, .premium-table td { display: block; }
    .premium-table tr { padding: 10px 0; border-bottom: 1px solid var(--border); }
    .premium-table tbody tr:last-child { border-bottom: 0; }
    .premium-table th, .premium-table td { border: 0; padding: 6px 20px; }
    .premium-table tbody th { font-size: 17px; padding-top: 12px; }
    .premium-table td::before {
        content: attr(data-label); display: block; font-size: 12px;
        text-transform: uppercase; letter-spacing: .04em; color: var(--text-2); opacity: .75;
    }
}

/* ---------- Документы ---------- */
.documents-section { max-width: 900px; margin: 60px auto 40px; padding: 0 20px; text-align: center; }
.documents-section h2 { font-size: 28px; margin: 0 0 26px; }
.documents-grid { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }
.btn-doc-main {
    display: inline-flex; align-items: center; gap: 8px;
    background: transparent; border: 1px solid var(--text); color: var(--text);
    padding: 12px 24px; border-radius: 999px; font-size: 15px; font-weight: 600;
    text-decoration: none; cursor: pointer; transition: background .2s, color .2s;
}
.btn-doc-main svg { width: 18px; height: 18px; }
.btn-doc-main:hover { background: var(--text); color: #fff; }
.dropdown-doc { position: relative; }
.dropdown-doc-content {
    display: none; position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
    background: #fff; border: 1px solid var(--border); min-width: 150px;
    border-radius: 16px; box-shadow: 0 10px 30px rgba(0,0,0,.1); z-index: 50; overflow: hidden;
}
.dropdown-doc-content a {
    display: block; padding: 12px 16px; color: var(--text); text-decoration: none;
    font-size: 14px; font-weight: 600;
}
.dropdown-doc-content a:hover { background: var(--bg-soft); color: var(--accent); }
.dropdown-doc.open .dropdown-doc-content { display: block; }
@media (hover: hover) { .dropdown-doc:hover .dropdown-doc-content { display: block; } }

/* ---------- Формы ---------- */
.premium-form {
    max-width: 900px; margin: 0 auto;
    background: var(--card); border: 1px solid var(--border); border-radius: 24px;
    padding: clamp(22px, 4vw, 40px); display: flex; flex-direction: column; gap: 16px;
    -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.premium-form .btn-primary { align-self: center; min-width: 240px; }
.form-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 760px) { .form-row { grid-template-columns: 1fr; } .premium-form .btn-primary { width: 100%; } }
.premium-form input, .premium-form textarea, .modal-form input {
    width: 100%; padding: 15px 20px;
    background: var(--bg-soft); border: 1px solid var(--border); border-radius: 14px;
    font-size: 16px; /* 16px — iOS не зумит поле при фокусе */
    outline: none; transition: border-color .2s, box-shadow .2s, background .2s;
}
.premium-form textarea { resize: vertical; min-height: 120px; }
.premium-form input:focus, .premium-form textarea:focus, .modal-form input:focus {
    background: #fff; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(11,92,255,.12);
}
.hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.cf-turnstile { min-height: 65px; display: flex; justify-content: center; }
.form-status { margin: 0; min-height: 1.4em; text-align: center; font-size: 15px; font-weight: 600; }
.form-status.is-error { color: var(--danger); }
.form-status.is-success { color: var(--success); }
.form-status.is-info { color: var(--text-2); }

/* ---------- Окно заявки ---------- */
.modal-overlay {
    position: fixed; inset: 0; z-index: 2000;
    display: flex; align-items: center; justify-content: center; padding: 16px;
    background: rgba(10, 15, 25, .45);
    -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
    opacity: 0; transition: opacity .25s;
}
.modal-overlay[hidden] { display: none; }
.modal-overlay.active { opacity: 1; }
.modal-window {
    position: relative; width: 100%; max-width: 640px; max-height: calc(100vh - 32px); overflow-y: auto;
    background: #fff; border-radius: 22px; padding: 36px;
    box-shadow: 0 30px 60px rgba(0,0,0,.2);
    transform: translateY(16px); transition: transform .25s;
}
.modal-overlay.active .modal-window { transform: none; }
.modal-close-x {
    position: absolute; top: 14px; right: 14px; width: 40px; height: 40px;
    border: 0; background: var(--bg-soft); border-radius: 50%;
    font-size: 26px; line-height: 1; color: var(--text-2); cursor: pointer;
}
.modal-close-x:hover { color: var(--text); background: #eceff3; }
#modalTariffTitle { margin: 0 44px 4px 0; font-size: 28px; font-weight: 800; color: var(--accent); }
.modal-subtitle { margin: 0 0 22px; font-size: 15px; color: var(--text-2); font-weight: 500; }
.steps-flow { list-style: none; counter-reset: step; margin: 0 0 24px; padding: 0; display: grid; gap: 12px; }
.step-item {
    counter-increment: step; position: relative;
    background: var(--bg-soft); border-radius: 14px; padding: 14px 18px 14px 58px;
}
.step-item::before {
    content: counter(step); position: absolute; left: 16px; top: 14px;
    width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: #fff;
    display: grid; place-items: center; font-weight: 700; font-size: 14px;
}
.step-item h3 { margin: 0 0 4px; font-size: 16px; }
.step-item p { margin: 0; font-size: 14px; color: var(--text-2); }
.modal-form { display: flex; flex-direction: column; gap: 12px; border-top: 1px solid var(--border); padding-top: 24px; }
@media (max-width: 600px) {
    .modal-overlay { align-items: flex-end; padding: 0; }
    .modal-window { border-radius: 22px 22px 0 0; padding: 26px 18px; max-height: 92vh; }
}

/* ---------- Партнёры ---------- */
.partners-section { margin: 60px 0 40px; overflow: hidden; }
.partners-title {
    text-align: center; font-size: 14px; font-weight: 700; letter-spacing: .08em;
    text-transform: uppercase; color: var(--text-2); margin: 0 0 24px;
}
.slider-container {
    overflow: hidden;
    -webkit-mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
    mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
}
.slider-track {
    display: flex; align-items: center; gap: 56px; width: max-content;
    animation: scrollInfinite 40s linear infinite;
}
.slider-container:hover .slider-track { animation-play-state: paused; }
.slide-item { width: 150px; height: 70px; display: flex; align-items: center; justify-content: center; flex: none; }
.slide-item img {
    max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain;
    filter: grayscale(100%); opacity: .6; transition: filter .3s, opacity .3s, transform .3s;
}
.slide-item:hover img { filter: none; opacity: 1; transform: scale(1.06); }
@keyframes scrollInfinite { to { transform: translate3d(calc(-50% - 28px), 0, 0); } }

/* ---------- Подвал ---------- */
.footer { background: var(--bg-soft); border-top: 1px solid var(--border); padding: 48px clamp(16px, 4vw, 60px) 24px; }
.footer-content {
    max-width: 1200px; margin: 0 auto;
    display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px;
}
.footer-col { display: flex; flex-direction: column; gap: 8px; font-size: 15px; }
.footer-col h3 { margin: 0 0 6px; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-2); }
.footer-col a:not(.logo) { color: var(--text); text-decoration: none; }
.footer-col a:not(.logo):hover { color: var(--accent); }
.footer-slogan { margin: 4px 0 0; color: var(--text-2); max-width: 320px; }
.footer-bottom {
    max-width: 1200px; margin: 32px auto 0; padding-top: 20px;
    border-top: 1px solid var(--border); font-size: 13px; color: var(--text-2);
}
@media (max-width: 960px) { .footer-content { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-content { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
    .slider-track { animation: none; flex-wrap: wrap; justify-content: center; width: auto; }
    .slide-item[aria-hidden="true"] { display: none; }
}