/*
Theme Name: Crypto
Theme URI: https://wordpress.org
Author: Orkhan Chichitov
Author URI: https://wordpress.org
Description: A simple and clean WordPress theme for cryptocurrency-related websites. It features a modern design, responsive layout, and customizable options to create a unique online presence for your crypto business or blog.
Requires at least: 6.7
Tested up to: 6.9
Requires PHP: 7.2
Version: 1.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
*/

/* =====================================================================
   ROOT VARIABLES — Binance-inspired dark navy / gold palette
   ===================================================================== */
:root {
    --color-bg: #0b1626;
    --color-bg-alt: #0f1f34;
    --color-surface: #16283f;
    --color-surface-alt: #1c3350;
    --color-border: #24374f;
    --color-accent: #f0b90b;
    --color-accent-hover: #ffd43b;
    --color-accent-dark: #caa008;
    --color-text: #f5f7fa;
    --color-text-secondary: #a9b9cf;
    --color-text-muted: #7c8ba3;
    --color-success: #4fbf82;
    --color-danger: #e5646a;
    --crypto-section-y: 20px;
    --radius-lg: 18px;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow-card: 0 14px 34px rgba(0, 0, 0, .35);
    --shadow-card-hover: 0 20px 44px rgba(0, 0, 0, .45);
    --container-width: 1200px;
    --transition: .3s ease;
}

/* =====================================================================
   RESET & BASE
   ===================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { padding-left: 1.2em; }
h1, h2, h3, h4 { margin: 0 0 16px; line-height: 1.25; font-weight: 700; }
p { margin: 0 0 16px; color: var(--color-text-secondary); }
table { border-collapse: collapse; width: 100%; }
p a {
    text-decoration: underline;
    color: var(--color-accent);
    font-weight: 600;
}
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* =====================================================================
   REVEAL / SCROLL ANIMATIONS
   ===================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal--left { transform: translateX(-32px); }
.reveal--left.is-visible { transform: none; }
.reveal--right { transform: translateX(32px); }
.reveal--right.is-visible { transform: none; }
.reveal--scale { transform: scale(.92); }
.reveal--scale.is-visible { transform: scale(1); }

.parallax { will-change: transform; transition: transform .1s linear; }

/* =====================================================================
   BUTTONS
   ===================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}
.btn--primary {
    background: var(--color-accent);
    color: #0b1626;
}
.btn--primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(240, 185, 11, .35);
}
.btn--secondary {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
}
.btn--secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-3px);
}

/* =====================================================================
   HEADER
   ===================================================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 22, 38, .92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}
.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: 76px;
}
.header__logo { display: flex; align-items: center; }
.header__logo img { max-height: 44px; width: auto; }
.header__logo-text { font-size: 22px; font-weight: 800; color: var(--color-text); }
.header__logo-text::first-letter { color: var(--color-accent); }

.header__nav { flex: 1; display: flex; justify-content: center; }
.header__menu {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.header__menu > li { position: relative; }
.header__menu > li > a {
    display: block;
    padding: 12px 16px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}
.header__menu > li > a:hover,
.header__menu > li.current-menu-item > a {
    color: var(--color-accent);
    background: rgba(240, 185, 11, .08);
}
.header__menu .sub-menu {
    list-style: none;
    margin: 0;
    padding: 10px;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 260px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    z-index: 10;
}
.header__menu > li:hover > .sub-menu,
.header__menu > li.is-open > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.header__menu .sub-menu a {
    display: block;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--color-text-secondary);
    transition: background var(--transition), color var(--transition);
}
.header__menu .sub-menu a:hover {
    background: rgba(240, 185, 11, .1);
    color: var(--color-accent);
}
.header__menu .menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    margin-left: 6px;
    width: 6px;
    height: 6px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    vertical-align: middle;
}

.header__burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
}
.header__burger-line {
    display: block;
    width: 20px;
    height: 2px;
    margin: 0 auto;
    background: var(--color-text);
    transition: transform var(--transition), opacity var(--transition);
}
.header__burger.is-active .header__burger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__burger.is-active .header__burger-line:nth-child(2) { opacity: 0; }
.header__burger.is-active .header__burger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =====================================================================
   LANGUAGE SWITCHER (fixed to the right edge of the viewport)
   ===================================================================== */
.lang-switcher {
    position: fixed;
    top: 50%;
    right: 18px;
    transform: translateY(-50%);
    z-index: 90;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}
.lang-switcher__toggle {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .02em;
    cursor: pointer;
    box-shadow: var(--shadow-card);
    transition: transform var(--transition), border-color var(--transition), color var(--transition);
}
.lang-switcher__toggle:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: scale(1.06);
}
.lang-switcher.is-open .lang-switcher__toggle {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #0b1626;
}
.lang-switcher__list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateX(12px);
    transition: max-height .3s ease, opacity .25s ease, transform .25s ease;
}
.lang-switcher.is-open .lang-switcher__list {
    max-height: 320px;
    opacity: 1;
    transform: none;
}
.lang-switcher__item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 12px;
    font-weight: 700;
    box-shadow: var(--shadow-card);
    transition: transform var(--transition), border-color var(--transition), color var(--transition), background var(--transition);
}
.lang-switcher__item:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateX(-4px);
}
.lang-switcher__item.is-active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #0b1626;
}

/* =====================================================================
   FOOTER
   ===================================================================== */
.footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    margin-top: 60px;
}
.footer__container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    padding: 56px 20px 40px;
}
.footer__heading {
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--color-accent);
    margin-bottom: 18px;
}
.footer__menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer__menu a {
    color: var(--color-text-secondary);
    font-size: 14px;
    transition: color var(--transition), padding-left var(--transition);
}
.footer__menu a:hover { color: var(--color-accent); padding-left: 4px; }
.footer__bottom { border-top: 1px solid var(--color-border); }
.footer__bottom-inner { padding: 20px; text-align: center; }
.footer__copyright { margin: 0; font-size: 13px; color: var(--color-text-muted); }

/* =====================================================================
   404 PAGE
   ===================================================================== */
.error404__wrapper {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 0;
}
.error404__code {
    font-size: clamp(80px, 18vw, 180px);
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 8px;
}
.error404__title { font-size: 32px; margin-bottom: 12px; }
.error404__text { max-width: 480px; margin: 0 auto 28px; }

/* =====================================================================
   GENERIC SECTION LAYOUT
   ===================================================================== */
.section {
    padding: 64px 0;
    margin-bottom: var(--crypto-section-y);
}
.section--alt { background: var(--color-bg-alt); }
.section__eyebrow {
    display: inline-block;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 12px;
}
.section__title { font-size: clamp(26px, 3.4vw, 38px); }
.section__lead { max-width: 760px; font-size: 17px; }

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(240, 185, 11, .4);
}

.icon { width: 22px; height: 22px; }
.section__icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-sm);
    background: rgba(240, 185, 11, .12);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
.section__icon .icon { width: 24px; height: 24px; }

.data-table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--color-border); }
.data-table { min-width: 560px; }
.data-table th, .data-table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    font-size: 14px;
}
.data-table th { background: var(--color-surface); color: var(--color-accent); font-weight: 700; }
.data-table td { color: var(--color-text-secondary); background: var(--color-bg); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--color-surface); color: var(--color-text); }

/* =====================================================================
   HERO (Block 1)
   ===================================================================== */
.hero { padding-top: 56px; }
.hero__grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 48px;
    align-items: center;
}
.hero__title { font-size: clamp(30px, 4vw, 46px); }
.hero__text { font-size: 17px; }
.hero__widget {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-card);
    display: flex;
    justify-content: center;
}
.hero__widget iframe { width: 100%; max-width: 500px; border-radius: var(--radius); }
.hero__features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 40px 0;
}
.hero__feature { padding: 24px; text-align: left; }
.hero__feature-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: rgba(240, 185, 11, .12);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    font-size: 20px;
    transition: transform var(--transition), background var(--transition);
}
.card:hover .hero__feature-icon { transform: scale(1.12) rotate(-6deg); background: var(--color-accent); color: #0b1626; }
.hero__feature-title { font-size: 16px; margin-bottom: 6px; color: var(--color-text); }
.hero__feature-text { font-size: 14px; margin: 0; }
.hero__note { color: var(--color-text-muted); font-size: 14px; }

/* =====================================================================
   EXCHANGE WIDGET (generic, used outside hero)
   ===================================================================== */
.exchange-widget {
    display: flex;
    justify-content: center;
    padding: 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: box-shadow var(--transition), transform var(--transition);
}
.exchange-widget:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-4px); }
.exchange-widget iframe { width: 100%; max-width: 500px; border-radius: var(--radius); }

/* =====================================================================
   FEATURE GRIDS (used by directions, advantages, checklist, steps)
   ===================================================================== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.media-card { padding: 26px; }
.media-card__icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 16px;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
}
.media-card__icon img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.media-card:hover .media-card__icon img { transform: scale(1.15); }
.media-card__title { font-size: 17px; color: var(--color-text); margin-bottom: 8px; }
.media-card__text { font-size: 14px; margin: 0; }

.media-card--numbered { position: relative; padding-top: 44px; }
.media-card__num {
    position: absolute;
    top: -16px;
    left: 24px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #0b1626;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 18px rgba(240, 185, 11, .4);
}

/* =====================================================================
   IMAGE BLOCK (for content sections using photos)
   ===================================================================== */
.image-block { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.image-block__figure {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    position: relative;
    aspect-ratio: 4 / 3;
}
.image-block__figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.image-block__figure:hover img { transform: scale(1.08); }

/* =====================================================================
   CONVERTER (Block 4)
   ===================================================================== */
.converter {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-card);
}
.converter__calculator {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}
.converter__field { flex: 1; min-width: 180px; display: flex; flex-direction: column; gap: 6px; }
.converter__label { font-size: 13px; color: var(--color-text-muted); }
.converter__input, .converter__select {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    color: var(--color-text);
    font-size: 15px;
    width: 100%;
    transition: border-color var(--transition);
}
.converter__input:focus, .converter__select:focus { outline: none; border-color: var(--color-accent); }
.converter__swap {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-accent);
    font-size: 18px;
    cursor: pointer;
    transition: transform var(--transition), background var(--transition);
    flex-shrink: 0;
}
.converter__swap:hover { transform: rotate(180deg); background: var(--color-accent); color: #0b1626; }
.converter__table-wrap { overflow-x: auto; }
.converter__table { min-width: 520px; }
.converter__table th, .converter__table td {
    padding: 12px 16px;
    text-align: right;
    border-bottom: 1px solid var(--color-border);
    font-size: 14px;
    color: var(--color-text-secondary);
}
.converter__table th:first-child, .converter__table td:first-child { text-align: left; }
.converter__table th { color: var(--color-accent); }
.converter__table-amount { color: var(--color-text); font-weight: 600; }
.converter__notice { color: var(--color-text-muted); text-align: center; padding: 24px; }
.converter__compare { margin-top: 24px; }

/* =====================================================================
   PRICE CHART (Block 5)
   ===================================================================== */
.price-chart {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-card);
}
.price-chart__controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}
.price-chart__quote {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--color-text);
    font-size: 14px;
}
.price-chart__periods { display: flex; gap: 8px; }
.price-chart__period-btn {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.price-chart__period-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.price-chart__period-btn.is-active { background: var(--color-accent); border-color: var(--color-accent); color: #0b1626; }
.price-chart__stats { display: flex; gap: 24px; margin-bottom: 14px; }
.price-chart__stat { font-size: 14px; color: var(--color-text-muted); }
.price-chart__stat b { color: var(--color-text); }
.price-chart__canvas-wrap { position: relative; width: 100%; height: 280px; margin-left: 54px; }
.price-chart__svg { width: 100%; height: 100%; overflow: visible; }
.price-chart__axis { display: flex; justify-content: space-between; margin-top: 10px; margin-left: 54px; font-size: 13px; color: var(--color-text-muted); }
.price-chart__notice { color: var(--color-text-muted); text-align: center; padding: 24px; }

.price-chart__grid-line {
    stroke: var(--color-border);
    stroke-width: 1;
    stroke-dasharray: 4 4;
}
.price-chart__y-labels {
    position: absolute;
    top: 0;
    left: -54px;
    width: 46px;
    height: 100%;
    pointer-events: none;
}
.price-chart__y-label {
    position: absolute;
    left: 0;
    width: 100%;
    text-align: right;
    transform: translateY(-50%);
    font-size: 12px;
    color: var(--color-text-muted);
    white-space: nowrap;
}
.price-chart__marker {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 6px;
    transform: translate(-6px, -50%);
    pointer-events: none;
}
.price-chart__marker-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(240, 185, 11, .2);
    flex-shrink: 0;
}
.price-chart__marker-price {
    background: var(--color-accent);
    color: #0b1626;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

/* =====================================================================
   FAQ ACCORDION (Block 15)
   ===================================================================== */
.faq__list { display: flex; flex-direction: column; gap: 14px; }
.faq__item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}
.faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 22px;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
}
.faq__question h3 { margin: 0; font-size: 16px; color: var(--color-text); }
.faq__icon {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    transition: transform var(--transition);
}
.faq__item.is-open .faq__icon { transform: rotate(45deg); }
.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease, padding var(--transition);
    padding: 0 22px;
}
.faq__answer p { margin: 0 0 18px; }
.faq__item.is-open .faq__answer { padding: 0 22px 18px; }

/* =====================================================================
   REVIEWS (Block 14)
   ===================================================================== */
.reviews__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.reviews__card { padding: 26px; }
.reviews__stars { color: var(--color-accent); font-size: 15px; margin-bottom: 12px; letter-spacing: 2px; }
.reviews__text { font-style: italic; margin-bottom: 16px; }
.reviews__author { font-weight: 700; color: var(--color-text); font-size: 14px; }

/* =====================================================================
   CTA (Block 16)
   ===================================================================== */
.cta { background: linear-gradient(135deg, var(--color-bg-alt), var(--color-bg)); }
.cta__grid { display: grid; grid-template-columns: 1fr .9fr; gap: 48px; align-items: center; }
.cta__tagline { font-size: 18px; color: var(--color-text); font-weight: 600; }

/* =====================================================================
   LEGAL / TEXT PAGES
   ===================================================================== */
.legal { padding: 64px 0 80px; }
.legal__content { max-width: 820px; margin: 0 auto; }
.legal__content h1 { font-size: 36px; margin-bottom: 8px; }
.legal__content h2 { font-size: 24px; margin-top: 40px; }
.legal__content ul { color: var(--color-text-secondary); }
.legal__content li { margin-bottom: 8px; }
.legal__updated { color: var(--color-text-muted); font-size: 14px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--color-border); }
.legal__contacts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 24px 0; }
.legal__contact-card { padding: 22px; }
.legal__contact-card a { color: var(--color-accent); font-weight: 600; }

/* =====================================================================
   RESPONSIVE — tablet
   ===================================================================== */
@media (max-width: 768px) {
    .header__nav, .header__menu .sub-menu { display: none; }
    .header__nav.is-open {
        display: block;
        position: fixed;
        top: 76px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-bg);
        padding: 20px;
        overflow-y: auto;
    }
    .header__nav.is-open .header__menu { flex-direction: column; align-items: stretch; gap: 4px; }
    .header__nav.is-open .header__menu .sub-menu {
        display: none;
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        margin-top: 6px;
    }
    .header__nav.is-open .header__menu li.is-open > .sub-menu { display: block; }
    .header__burger { display: flex; }

    .hero__grid, .image-block, .cta__grid { grid-template-columns: 1fr; }
    .hero__features, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3, .reviews__grid { grid-template-columns: repeat(2, 1fr); }
    .footer__container { grid-template-columns: repeat(2, 1fr); }
    .legal__contacts { grid-template-columns: 1fr; }
    .converter__calculator { flex-direction: column; align-items: stretch; }
    .section { padding: 48px 0; }

    .lang-switcher { top: auto; bottom: 18px; right: 14px; transform: none; }
    .lang-switcher__toggle, .lang-switcher__item { width: 38px; height: 38px; }
}

/* =====================================================================
   RESPONSIVE — mobile
   ===================================================================== */
@media (max-width: 480px) {
    .hero__features, .grid-4, .grid-3, .grid-2, .reviews__grid { grid-template-columns: 1fr; }
    .footer__container { grid-template-columns: 1fr; padding: 40px 20px; }
    .error404__code { font-size: 96px; }
    .section { padding: 40px 0; }
    .converter, .price-chart { padding: 20px; }
    .price-chart__controls { flex-direction: column; align-items: stretch; }
    .price-chart__canvas-wrap, .price-chart__axis { margin-left: 40px; }
    .price-chart__y-labels { left: -40px; width: 34px; }
    .price-chart__y-label { font-size: 10px; }
    .price-chart__marker-price { font-size: 11px; padding: 2px 6px; }
}