/*
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: 2.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
*/

/* =====================================================================
   CSS Variables
   ===================================================================== */
:root {
    --red:          #E8000A;
    --red-dark:     #B30008;
    --red-light:    #FF3333;
    --black:        #111111;
    --black-2:      #1A1A1A;
    --white:        #FFFFFF;
    --gray-light:   #F5F5F5;
    --gray-mid:     #E0E0E0;
    --gray:         #888888;
    --gray-dark:    #444444;
    --section-y:    80px;
    --radius:       12px;
    --radius-sm:    6px;
    --shadow:       0 4px 24px rgba(0,0,0,0.10);
    --shadow-lg:    0 8px 48px rgba(0,0,0,0.16);
    --transition:   0.3s ease;
    --container:    1200px;
}

/* =====================================================================
   Reset & Base
   ===================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--white);
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
}

a { color: var(--red); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--red-dark); }

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

ul { list-style: none; }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

strong, b { font-weight: 700; }

/* =====================================================================
   Layout
   ===================================================================== */
.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 20px;
}

.section { padding-block: var(--section-y); }
.section--dark { background: var(--black); color: var(--white); }
.section--gray { background: var(--gray-light); }
.section--red  { background: var(--red); color: var(--white); }

.section__header { margin-bottom: 48px; }
.section__header h2 { position: relative; display: inline-block; }
.section__header h2::after {
    content: '';
    display: block;
    height: 4px;
    width: 60px;
    background: var(--red);
    margin-top: 12px;
    border-radius: 2px;
}

/* =====================================================================
   Buttons
   ===================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
    text-decoration: none;
}
.btn--red {
    background: var(--red);
    color: var(--white);
    border-color: var(--red);
}
.btn--red:hover {
    background: var(--red-dark);
    border-color: var(--red-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232,0,10,0.35);
}
.btn--outline {
    background: transparent;
    color: var(--red);
    border-color: var(--red);
}
.btn--outline:hover {
    background: var(--red);
    color: var(--white);
    transform: translateY(-2px);
}
.btn--dark {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}
.btn--dark:hover {
    background: var(--black-2);
    color: var(--white);
    transform: translateY(-2px);
}

/* =====================================================================
   Header
   ===================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--black);
    border-bottom: 2px solid var(--red);
    box-shadow: 0 2px 16px rgba(0,0,0,0.3);
}

.site-header__inner {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 68px;
}

.site-header__logo { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }
.site-header__logo img { max-height: 44px; width: auto; }
.site-header__logo-text { display: flex; align-items: baseline; gap: 2px; font-size: 1.5rem; font-weight: 800; }
.site-header__logo-btc { color: var(--red); }
.site-header__logo-swap { color: var(--white); }

.site-nav { flex: 1; display: flex; justify-content: center; }

.site-nav__list {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.site-nav__list li { position: relative; }

.site-nav__list a {
    display: block;
    padding: 8px 14px;
    color: var(--white);
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
    text-decoration: none;
}

.site-nav__list a:hover,
.site-nav__list .current-menu-item > a {
    color: var(--red);
    background: rgba(232,0,10,0.08);
}

/* Dropdown */
.site-nav__list .sub-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 220px;
    background: var(--black-2);
    border: 1px solid rgba(232,0,10,0.3);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    list-style: none;
    z-index: 100;
}
.site-nav__list li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.site-nav__list .sub-menu a {
    border-radius: 0;
    padding: 10px 16px;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.85);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.site-nav__list .sub-menu a:hover { color: var(--red); background: rgba(232,0,10,0.06); }
.site-nav__list .sub-menu li:last-child a { border-bottom: none; }

.site-header__cta { font-size: 0.875rem; padding: 9px 20px; flex-shrink: 0; }

/* Burger */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
}
.burger__line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}
.burger.is-active .burger__line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-active .burger__line:nth-child(2) { opacity: 0; }
.burger.is-active .burger__line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
    display: none;
    background: var(--black-2);
    border-top: 1px solid rgba(232,0,10,0.3);
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.4s ease;
}
.mobile-nav.is-open { max-height: 500px; }

.mobile-nav__list { padding: 12px 20px 20px; list-style: none; }
.mobile-nav__list li { border-bottom: 1px solid rgba(255,255,255,0.06); }
.mobile-nav__list li:last-child { border-bottom: none; }
.mobile-nav__list a {
    display: block;
    padding: 12px 0;
    color: var(--white);
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
    transition: color var(--transition);
}
.mobile-nav__list a:hover { color: var(--red); }
.mobile-nav__list .sub-menu { list-style: none; padding-left: 16px; }
.mobile-nav__list .sub-menu a { font-size: 0.9rem; color: rgba(255,255,255,0.7); padding: 8px 0; }

/* =====================================================================
   Hero
   ===================================================================== */
.hero {
    position: relative;
    background: var(--black);
    color: var(--white);
    padding-block: 80px 60px;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('img/hero-bg.jpg') center/cover no-repeat;
    opacity: 0.18;
}
.hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.hero__content h1 { color: var(--white); margin-bottom: 20px; }
.hero__content h1 em { color: var(--red); font-style: normal; }
.hero__content p { color: rgba(255,255,255,0.8); font-size: 1.05rem; margin-bottom: 32px; max-width: 480px; }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__widget { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.hero__widget .exchange-widget iframe { display: block; }

/* Pair Hero (for swap pages) */
.pair-hero {
    position: relative;
    background: var(--black);
    color: var(--white);
    padding-block: 60px;
    overflow: hidden;
}
.pair-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('img/hero-bg-2.jpg') center/cover no-repeat;
    opacity: 0.12;
}
.pair-hero__inner { 
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

@media (max-width: 1024px) {
    .pair-hero__inner {
        grid-template-columns: 1fr;
        gap: 36px;
    }
}
.pair-hero__inner h1 { color: var(--white); margin-bottom: 16px; }
.pair-hero__inner > p { color: rgba(255,255,255,0.8); max-width: 700px; margin-bottom: 40px; }
.pair-hero__widget { background: var(--white); border-radius: var(--radius); overflow: hidden; max-width: 540px; box-shadow: var(--shadow-lg); }

/* =====================================================================
   Breadcrumb
   ===================================================================== */
.breadcrumb {
    background: var(--gray-light);
    border-bottom: 1px solid var(--gray-mid);
    padding-block: 10px;
    font-size: 0.85rem;
    color: var(--gray-dark);
}
.breadcrumb__list { display: flex; gap: 8px; align-items: center; list-style: none; flex-wrap: wrap; }
.breadcrumb__sep { color: var(--gray); }
.breadcrumb__list a { color: var(--gray-dark); }
.breadcrumb__list a:hover { color: var(--red); }
.breadcrumb__list li:last-child { color: var(--gray); }

/* =====================================================================
   BTC Market Snapshot
   ===================================================================== */
.btc-snapshot {
    background: var(--white);
    border: 1px solid var(--gray-mid);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.btc-snapshot__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    background: var(--black);
    color: var(--white);
    flex-wrap: wrap;
}
.btc-snapshot__coin-info { display: flex; align-items: center; gap: 12px; }
.btc-snapshot__name { display: block; font-size: 1.1rem; font-weight: 700; color: var(--white); }
.btc-snapshot__ticker { display: block; font-size: 0.8rem; color: var(--red); text-transform: uppercase; letter-spacing: 0.1em; }
.btc-snapshot__price-wrap { display: flex; align-items: center; gap: 12px; }
.btc-snapshot__price { font-size: 1.8rem; font-weight: 800; color: var(--white); }
.btc-snapshot__badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}
.btc-snapshot__badge--positive { background: rgba(34,197,94,0.15); color: #22c55e; }
.btc-snapshot__badge--negative { background: rgba(239,68,68,0.15); color: #ef4444; }
.btc-snapshot__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}
.btc-snapshot__item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 20px;
    border-right: 1px solid var(--gray-mid);
    border-bottom: 1px solid var(--gray-mid);
}
.btc-snapshot__item:nth-child(4n) { border-right: none; }
.btc-snapshot__item:nth-last-child(-n+4) { border-bottom: none; }
.btc-snapshot__label { font-size: 0.75rem; color: var(--gray); text-transform: uppercase; letter-spacing: 0.06em; }
.btc-snapshot__value { font-size: 1rem; font-weight: 600; color: var(--black); }
.btc-snapshot__value--positive { color: #22c55e; }
.btc-snapshot__value--negative { color: #ef4444; }
.btc-snapshot--error { padding: 24px; text-align: center; color: var(--gray); }

/* =====================================================================
   Pair Rate Chart
   ===================================================================== */
.pair-chart {
    background: var(--white);
    border: 1px solid var(--gray-mid);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}
.pair-chart__inner { position: relative; width: 100%; height: 280px; }
.pair-chart__inner canvas { width: 100% !important; height: 100% !important; }
.pair-chart__note { font-size: 0.78rem; color: var(--gray); margin-top: 12px; text-align: right; }
.pair-chart--error { padding: 32px; text-align: center; color: var(--gray); }

/* =====================================================================
   Pair Rate Table
   ===================================================================== */
.pair-table {
    background: var(--white);
    border: 1px solid var(--gray-mid);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.pair-table__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: var(--black);
    color: var(--white);
    gap: 12px;
    flex-wrap: wrap;
}
.pair-table__rate { font-weight: 700; font-size: 0.95rem; color: var(--white); }
.pair-table__updated { font-size: 0.78rem; color: rgba(255,255,255,0.5); }
.pair-table__scroll { overflow-x: auto; }
.pair-table__tbl {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.pair-table__tbl thead { background: var(--gray-light); }
.pair-table__tbl th {
    padding: 12px 16px;
    text-align: left;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--gray-dark);
    white-space: nowrap;
}
.pair-table__tbl td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-mid);
    color: var(--black);
}
.pair-table__tbl tr:last-child td { border-bottom: none; }
.pair-table__tbl tr:hover td { background: rgba(232,0,10,0.03); }
.pair-table__tbl strong { color: var(--red); }
.pair-table__disclaimer { font-size: 0.78rem; color: var(--gray); padding: 12px 16px; border-top: 1px solid var(--gray-mid); }
.pair-table--error { padding: 32px; text-align: center; color: var(--gray); }

/* =====================================================================
   Exchange Widget
   ===================================================================== */
.exchange-widget { border-radius: var(--radius); overflow: hidden; }
.exchange-widget iframe { display: block; width: 100%; min-height: 420px; border: none; }

/* =====================================================================
   Content Sections (pair/blog pages)
   ===================================================================== */
.content-section { padding-block: 56px; }
.content-section + .content-section { border-top: 1px solid var(--gray-mid); }
.content-section--dark { background: var(--black); color: var(--white); }
.content-section--gray { background: var(--gray-light); }
.content-section--red { background: var(--red); color: var(--white); }

.content-section__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.content-section__inner--full { grid-template-columns: 1fr; }
.content-section__inner--wide { grid-template-columns: 1fr; max-width: 860px; }
.content-section__media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.content-section__media img { width: 100%; height: 320px; object-fit: cover; transition: transform 0.6s ease; }
.content-section__media:hover img { transform: scale(1.04); }

.content-section h2 { margin-bottom: 20px; }
.content-section h3 { margin-bottom: 12px; margin-top: 24px; }
.content-section h3:first-child { margin-top: 0; }
.content-section p { color: inherit; opacity: 0.88; }
.content-section--dark p { color: rgba(255,255,255,0.8); }
.content-section--dark h2,
.content-section--dark h3 { color: var(--white); }

/* Steps list */
.steps-list { counter-reset: step; list-style: none; display: flex; flex-direction: column; gap: 16px; }
.steps-list li {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 16px 20px;
    background: var(--white);
    border: 1px solid var(--gray-mid);
    border-radius: var(--radius-sm);
    transition: box-shadow var(--transition), transform var(--transition);
}
.steps-list li:hover { box-shadow: var(--shadow); transform: translateX(4px); }
.steps-list li::before {
    counter-increment: step;
    content: counter(step);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    min-width: 32px;
    background: var(--red);
    color: var(--white);
    border-radius: 50%;
    font-weight: 800;
    font-size: 0.85rem;
    flex-shrink: 0;
}

/* Checklist */
.checklist { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.checklist li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 16px;
    background: var(--white);
    border: 1px solid var(--gray-mid);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.checklist li:hover { border-color: var(--red); box-shadow: 0 2px 8px rgba(232,0,10,0.08); }
.checklist li::before {
    content: '✓';
    color: var(--red);
    font-weight: 800;
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 1px;
}

/* Info box */
.info-box {
    background: var(--black);
    color: var(--white);
    border-radius: var(--radius);
    padding: 28px 32px;
    border-left: 4px solid var(--red);
}
.info-box--light {
    background: var(--gray-light);
    color: var(--black);
    border-left: 4px solid var(--red);
}
.info-box h3 { color: var(--red); margin-bottom: 10px; }

/* CTA block */
.cta-block {
    text-align: center;
    padding: 48px 24px;
    background: var(--black);
    border-radius: var(--radius);
    color: var(--white);
}
.cta-block h2 { color: var(--white); margin-bottom: 16px; }
.cta-block p { color: rgba(255,255,255,0.75); margin-bottom: 28px; max-width: 520px; margin-inline: auto; }

/* =====================================================================
   Cards grid
   ===================================================================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 20px;
}
.card {
    background: var(--white);
    border: 1px solid var(--gray-mid);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card__img { aspect-ratio: 16/9; overflow: hidden; }
.card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.card:hover .card__img img { transform: scale(1.06); }
.card__body { padding: 20px; }
.card__title { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; color: var(--black); }
.card__text { font-size: 0.9rem; color: var(--gray-dark); line-height: 1.55; }

/* Pair links grid */
.pair-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.pair-links a {
    display: block;
    padding: 14px 16px;
    background: var(--white);
    border: 1px solid var(--gray-mid);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--black);
    text-align: center;
    transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}
.pair-links a:hover {
    background: var(--red);
    border-color: var(--red);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(232,0,10,0.25);
}

/* =====================================================================
   Reviews
   ===================================================================== */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.review-card {
    background: var(--white);
    border: 1px solid var(--gray-mid);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.review-card__stars { color: var(--red); font-size: 1.1rem; margin-bottom: 12px; letter-spacing: 2px; }
.review-card__text { font-size: 0.9rem; color: var(--gray-dark); line-height: 1.6; margin-bottom: 16px; font-style: italic; }
.review-card__author { font-weight: 700; font-size: 0.875rem; color: var(--black); }

/* =====================================================================
   FAQ
   ===================================================================== */
.faq-list { 
    display: flex; 
    flex-direction: column; 
    gap: 0; 
    border: 1px solid var(--gray-mid); 
    border-radius: var(--radius); 
    overflow: hidden; 
    margin-top: 10px;
}
.post-single__img {
    margin: 20px 0;
}

.faq-item { border-bottom: 1px solid var(--gray-mid); }
.faq-item:last-child { border-bottom: none; }
.faq-item__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    cursor: pointer;
    background: var(--white);
    transition: background var(--transition);
    user-select: none;
}
.faq-item__question:hover { background: var(--gray-light); }
.faq-item__question h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    color: var(--black);
    flex: 1;
}
.faq-item__icon {
    width: 24px;
    height: 24px;
    min-width: 24px;
    background: var(--red);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1rem;
    transition: transform var(--transition);
}
.faq-item.is-open .faq-item__icon { transform: rotate(45deg); }
.faq-item__answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.is-open .faq-item__answer { max-height: 400px; padding-bottom: 20px; }
.faq-item__answer p { font-size: 0.92rem; color: var(--gray-dark); line-height: 1.7; margin-bottom: 8px; }
.faq-item__answer p:last-child { margin-bottom: 0; }
.faq-item__answer a { color: var(--red); }

/* =====================================================================
   Blog
   ===================================================================== */
.blog-hero {
    background: var(--black);
    color: var(--white);
    padding-block: 60px;
    position: relative;
    overflow: hidden;
}
.blog-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('img/blog-hero.jpg') center/cover no-repeat;
    opacity: 0.12;
}
.blog-hero__inner { position: relative; z-index: 1; }
.blog-hero h1 { color: var(--white); margin-bottom: 16px; }
.blog-hero p { color: rgba(255,255,255,0.75); max-width: 600px; }

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 40px;
}

.post-article { max-width: 860px; margin-inline: auto; }
.post-article h1 { margin-bottom: 24px; }
.post-article h2 { margin-top: 40px; margin-bottom: 16px; color: var(--black); }
.post-article h3 { margin-top: 28px; margin-bottom: 12px; color: var(--black); }
.post-article p { color: var(--gray-dark); line-height: 1.75; margin-bottom: 16px; }
.post-article ul, .post-article ol { padding-left: 20px; margin-bottom: 16px; }
.post-article ul li, .post-article ol li { margin-bottom: 6px; color: var(--gray-dark); line-height: 1.65; }
.post-article table { width: 100%; border-collapse: collapse; margin-bottom: 24px; font-size: 0.9rem; }
.post-article th { background: var(--black); color: var(--white); padding: 10px 14px; text-align: left; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; }
.post-article td { padding: 10px 14px; border-bottom: 1px solid var(--gray-mid); color: var(--gray-dark); }
.post-article tr:last-child td { border-bottom: none; }
.post-article tr:hover td { background: rgba(232,0,10,0.03); }
.post-article a { color: var(--red); text-decoration: underline; text-underline-offset: 3px; }

.post-meta { display: flex; gap: 16px; align-items: center; margin-bottom: 32px; font-size: 0.85rem; color: var(--gray); flex-wrap: wrap; }
.post-meta__category { background: var(--red); color: var(--white); padding: 3px 10px; border-radius: 20px; font-weight: 600; font-size: 0.75rem; }

/* =====================================================================
   Rate Table
   ===================================================================== */
.rate-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    font-size: 0.9rem;
    margin-block: 28px;
}
.rate-table thead tr { background: var(--black); }
.rate-table thead th {
    padding: 14px 20px;
    text-align: left;
    color: var(--white);
    font-weight: 600;
    font-size: 0.78rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    white-space: nowrap;
    border-bottom: 2px solid var(--red);
}
.rate-table thead th:first-child { border-left: 3px solid var(--red); }
.rate-table tbody tr {
    border-bottom: 1px solid var(--gray-mid);
    transition: background var(--transition);
}
.rate-table tbody tr:last-child td { border-bottom: none; }
.rate-table tbody tr:nth-child(even) { background: var(--gray-light); }
.rate-table tbody tr:nth-child(odd)  { background: var(--white); }
.rate-table tbody tr:hover { background: rgba(232, 0, 10, 0.06); }
.rate-table tbody td {
    padding: 13px 20px;
    color: var(--gray-dark);
    vertical-align: top;
    line-height: 1.55;
    border-bottom: 1px solid var(--gray-mid);
}
.rate-table tbody tr:last-child td { border-bottom: none; }
.rate-table tbody td:first-child {
    color: var(--black);
    font-weight: 600;
    border-left: 3px solid transparent;
    transition: border-color var(--transition);
}
.rate-table tbody tr:hover td:first-child { border-left-color: var(--red); }

/* =====================================================================
   Footer
   ===================================================================== */
.site-footer { background: var(--black); color: var(--white); margin-top: 0; }

.site-footer__top { padding-block: 56px; }
.site-footer__top-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 40px;
}

.site-footer__logo { display: inline-flex; align-items: baseline; gap: 2px; font-size: 1.6rem; font-weight: 800; text-decoration: none; }
.site-footer__logo-btc { color: var(--red); }
.site-footer__logo-swap { color: var(--white); }
.site-footer__tagline { margin-top: 12px; color: rgba(255,255,255,0.5); font-size: 0.875rem; max-width: 240px; }

.site-footer__nav h4 { color: var(--red); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 16px; }
.site-footer__list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.site-footer__list a { color: rgba(255,255,255,0.65); font-size: 0.9rem; text-decoration: none; transition: color var(--transition); }
.site-footer__list a:hover { color: var(--red); }

.site-footer__swap-title { color: var(--red); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 16px; }
.site-footer__swap-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; }
.site-footer__swap-list a { color: rgba(255,255,255,0.65); font-size: 0.875rem; text-decoration: none; transition: color var(--transition); }
.site-footer__swap-list a:hover { color: var(--red); }

.site-footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-block: 20px;
}
.site-footer__bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer__copy { color: rgba(255,255,255,0.45); font-size: 0.82rem; }
.site-footer__disclaimer { color: rgba(255,255,255,0.3); font-size: 0.78rem; max-width: 500px; text-align: right; }

/* =====================================================================
   404
   ===================================================================== */
.page-404 { text-align: center; padding-block: 100px; }
.page-404__number { font-size: clamp(6rem, 20vw, 12rem); font-weight: 900; color: var(--red); line-height: 1; display: block; }
.page-404__title { font-size: clamp(1.4rem, 3vw, 2.2rem); margin-bottom: 16px; }
.page-404__text { color: var(--gray-dark); max-width: 480px; margin-inline: auto; margin-bottom: 32px; }

/* =====================================================================
   About / Utility pages
   ===================================================================== */
.page-hero {
    background: var(--black);
    color: var(--white);
    padding-block: 64px;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('img/about-hero.jpg') center/cover no-repeat;
    opacity: 0.12;
}
.page-hero__inner { position: relative; z-index: 1; }
.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero p { color: rgba(255,255,255,0.75); max-width: 640px; }

.prose-section { padding-block: 56px; max-width: 860px; margin-inline: auto; }
.prose-section h2 { margin-top: 40px; margin-bottom: 16px; }
.prose-section h3 { margin-top: 28px; margin-bottom: 10px; }
.prose-section p { color: var(--gray-dark); line-height: 1.75; margin-bottom: 16px; }
.prose-section ul { padding-left: 20px; margin-bottom: 16px; }
.prose-section ul li { margin-bottom: 6px; color: var(--gray-dark); line-height: 1.65; }
.prose-section a { color: var(--red); }

/* Contact page */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.contact-card {
    background: var(--white);
    border: 1px solid var(--gray-mid);
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--red); }
.contact-card__icon { width: 44px; height: 44px; background: var(--red); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; font-size: 1.3rem; }
.contact-card__label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gray); margin-bottom: 4px; }
.contact-card__value { font-weight: 700; font-size: 1rem; color: var(--black); }
.contact-card__value a { color: var(--red); }
.contact-card__desc { font-size: 0.875rem; color: var(--gray-dark); margin-top: 8px; }

/* =====================================================================
   Scroll animations
   ===================================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.is-visible { opacity: 1; transform: translateY(0); }

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-left.is-visible { opacity: 1; transform: translateX(0); }

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-right.is-visible { opacity: 1; transform: translateX(0); }

.stagger > * {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.stagger.is-visible > * { opacity: 1; transform: translateY(0); }
.stagger.is-visible > *:nth-child(1) { transition-delay: 0s; }
.stagger.is-visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger.is-visible > *:nth-child(3) { transition-delay: 0.2s; }
.stagger.is-visible > *:nth-child(4) { transition-delay: 0.3s; }
.stagger.is-visible > *:nth-child(5) { transition-delay: 0.4s; }
.stagger.is-visible > *:nth-child(6) { transition-delay: 0.5s; }

/* =====================================================================
   Responsive — 1024px
   ===================================================================== */
@media (max-width: 1024px) {
    .hero__inner { grid-template-columns: 1fr; gap: 36px; }
    .hero__content { text-align: center; }
    .hero__content p { margin-inline: auto; }
    .hero__actions { justify-content: center; }
    .hero__widget { max-width: 540px; margin-inline: auto; }

    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .reviews-grid { grid-template-columns: repeat(2, 1fr); }
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .pair-links { grid-template-columns: repeat(3, 1fr); }
    .contact-grid { grid-template-columns: 1fr 1fr; }
    .site-footer__top-inner { grid-template-columns: 1fr 1fr; }
    .btc-snapshot__grid { grid-template-columns: repeat(4, 1fr); }
}

/* =====================================================================
   Responsive — 768px
   ===================================================================== */
@media (max-width: 768px) {
    :root { --section-y: 48px; }

    .site-nav, .site-header__cta { display: none; }
    .burger { display: flex; }
    .mobile-nav { display: block; }

    .content-section__inner { grid-template-columns: 1fr; gap: 28px; }

    .hero__inner { padding-block: 0; }
    .pair-hero { padding-block: 40px; }

    .cards-grid { grid-template-columns: 1fr; }
    .reviews-grid { grid-template-columns: 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .pair-links { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .site-footer__top-inner { grid-template-columns: 1fr; gap: 32px; }

    .btc-snapshot__grid { grid-template-columns: repeat(2, 1fr); }
    .btc-snapshot__item:nth-child(4n) { border-right: 1px solid var(--gray-mid); }
    .btc-snapshot__item:nth-child(2n) { border-right: none; }
    .btc-snapshot__item:nth-last-child(-n+4) { border-bottom: 1px solid var(--gray-mid); }
    .btc-snapshot__item:nth-last-child(-n+2) { border-bottom: none; }

    .btc-snapshot__header { flex-direction: column; align-items: flex-start; }

    .site-footer__swap-list { grid-template-columns: 1fr; }
    .site-footer__bottom-inner { flex-direction: column; text-align: center; }
    .site-footer__disclaimer { text-align: center; }

    .rate-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius-sm); }
    .rate-table thead th { font-size: 0.72rem; padding: 11px 14px; }
    .rate-table tbody td { padding: 11px 14px; font-size: 0.85rem; }
}

/* =====================================================================
   Responsive — 480px
   ===================================================================== */
@media (max-width: 480px) {
    .pair-links { grid-template-columns: 1fr 1fr; }
    .pair-table__tbl { font-size: 0.8rem; }
    .pair-table__tbl th, .pair-table__tbl td { padding: 8px 10px; }
    .faq-item__question { padding: 16px 16px; }
    .faq-item__answer { padding-bottom: 0; }
    .faq-item.is-open .faq-item__answer { padding: 0 16px 16px; }
    .section__header { margin-bottom: 32px; }
    .hero { padding-block: 48px 40px; }
    .steps-list li { padding: 12px 14px; }
    .checklist li { padding: 10px 12px; }
}




.policy-hero {
    padding: 20px 0;
}


.policy-page {
    padding: 30px 0;
}

article.post-single {
    padding: 20px 0;
}