/*
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: 2.1
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
*/

/* =============================================
   ROOT VARIABLES — LIGHT THEME
   ============================================= */
:root {
    --bg:            #f0f4f8;
    --bg-section:    #e8eef5;
    --bg-card:       #ffffff;
    --text:          #111827;
    --text-muted:    #4b5563;
    --text-light:    #9ca3af;
    --accent:        #2563eb;
    --accent-hover:  #1d4ed8;
    --accent-light:  #eff6ff;
    --accent-orange: #ec8b10;
    --header-bg:     #1b1c1e;
    --footer-bg:     #111827;
    --border:        #dde3ed;
    --border-strong: #c5cfe0;
    --bull:          #16a34a;
    --bear:          #dc2626;
    --radius:        12px;
    --radius-sm:     8px;
    --shadow:        0 2px 12px rgba(15,30,70,0.08);
    --shadow-md:     0 4px 24px rgba(15,30,70,0.12);
    --shadow-lg:     0 8px 40px rgba(15,30,70,0.16);
    --section-y:     56px;
    --container:     1200px;
    --transition:    0.22s ease;
}

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

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    line-height: 1.65;
    min-height: 100vh;
}

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

img { max-width: 100%; height: auto; display: block; }
ul  { list-style: none; }

/* =============================================
   CONTAINER
   ============================================= */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* =============================================
   HEADER  (dark — stays as-is)
   ============================================= */
.site-header {
    background: var(--header-bg);
    border-bottom: 2px solid #000;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 16px rgba(0,0,0,0.45);
}
.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 66px;
    gap: 24px;
}

/* Logo */
.site-header__logo { display: flex; align-items: center; flex-shrink: 0; }
.site-header__logo img { height: 38px; width: auto; }
.site-header__logo-text {
    font-size: 1.2rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
}
.site-header__logo-accent { color: var(--accent-orange); }

/* Nav */
.site-nav { display: flex; }
.site-nav__list { display: flex; align-items: center; gap: 2px; }
.site-nav__item { position: relative; }
.site-nav__link {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 9px 13px;
    color: rgba(255,255,255,0.85);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    transition: background var(--transition), color var(--transition);
    white-space: nowrap;
}
.site-nav__link:hover,
.site-nav__item--has-drop:hover > .site-nav__link {
    background: rgba(255,255,255,0.1);
    color: #fff;
}
.site-nav__arrow { font-size: 0.6rem; opacity: 0.6; }

/* Dropdown */
.site-nav__drop {
    display: none;
    position: absolute;
    top: calc(100% + 0px);
    left: 0;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    min-width: 230px;
    padding: 6px 0;
    box-shadow: var(--shadow-lg);
    z-index: 200;
}
.site-nav__drop li a {
    display: block;
    padding: 9px 18px;
    color: var(--text);
    font-size: 0.875rem;
    transition: background var(--transition), color var(--transition);
}
.site-nav__drop li a:hover {
    background: var(--accent-light);
    color: var(--accent);
}
.site-nav__item--has-drop:hover .site-nav__drop { display: block; animation: fadeIn 0.15s ease; }

/* Burger */
.site-header__burger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}
.site-header__burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}
.site-header__burger.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.site-header__burger.is-open span:nth-child(2) { opacity: 0; }
.site-header__burger.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* =============================================
   MAIN
   ============================================= */
.site-main { min-height: 60vh; }

/* =============================================
   PAGE LAYOUT
   ============================================= */
.page-wrap    { padding: var(--section-y) 0; }
.page-section { margin-bottom: var(--section-y); }

/* =============================================
   HERO BLOCK  (dark gradient — stays as contrast)
   ============================================= */
.hero {
    background: linear-gradient(135deg, #0d1b35 0%, #152a52 55%, #1a3568 100%);
    padding: 64px 0 52px;
    border-bottom: 2px solid #000;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(37,99,235,0.12) 0%, transparent 60%),
                      radial-gradient(circle at 80% 20%, rgba(236,139,16,0.08) 0%, transparent 50%);
    pointer-events: none;
}

/* Hero split layout */
.hero--split .hero__inner {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: center;
}
.hero--split .hero__content { max-width: 100%; }

/* Hero iframe container */
.hero__iframe-wrap {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 12px 48px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.06);
    background: #fff;
    display: flex;
    align-items: flex-start;
    width: 100%;
}
.hero__iframe-wrap iframe {
    display: block;
    width: 100%;
    max-width: 520px;
    height: 420px;
    border: none;
    border-radius: var(--radius);
}

/* Hero image container (for other pages) */
.hero__img-wrap {
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.07);
}
.hero__img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s ease;
}
.hero__img-wrap:hover img { transform: scale(1.04); }

.hero__inner { position: relative; z-index: 1; }
.hero__tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(37,99,235,0.18);
    border: 1px solid rgba(37,99,235,0.35);
    color: #93c5fd;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 20px;
}
.hero h1, .hero__h1 {
    font-size: clamp(1.9rem, 3.8vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.025em;
    margin-bottom: 18px;
    color: #fff;
}
.hero__text {
    font-size: 1rem;
    color: rgba(255,255,255,0.72);
    max-width: 640px;
    margin-bottom: 20px;
    line-height: 1.78;
}
.hero__btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }

/* =============================================
   BUTTONS
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 11px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    white-space: nowrap;
    text-decoration: none;
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 12px rgba(37,99,235,0.35);
}
.btn--primary:hover {
    background: var(--accent-hover);
    color: #fff;
    box-shadow: 0 4px 20px rgba(37,99,235,0.45);
}
.btn--outline {
    background: rgba(255,255,255,0.07);
    color: rgba(255,255,255,0.88);
    border: 1.5px solid rgba(255,255,255,0.22);
    backdrop-filter: blur(4px);
}
.btn--outline:hover {
    background: rgba(255,255,255,0.14);
    color: #fff;
    border-color: rgba(255,255,255,0.5);
}

/* =============================================
   SECTION HEADINGS
   ============================================= */
.section-heading {
    font-size: clamp(1.4rem, 2.8vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 10px;
}
.section-heading--sm {
    font-size: clamp(1.05rem, 2vw, 1.3rem);
    margin-bottom: 8px;
    color: var(--text);
}
.section-text {
    color: var(--text-muted);
    font-size: 0.96rem;
    line-height: 1.78;
    margin-bottom: 20px;
    max-width: 820px;
}

/* =============================================
   BTC PRICE CARD  (orange — per spec)
   ============================================= */
.btc-price-card {
    background: var(--accent-orange);
    border-radius: var(--radius);
    padding: 26px 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    box-shadow: 0 4px 24px rgba(236,139,16,0.3);
    border: 1px solid rgba(0,0,0,0.15);
    animation: fadeUp 0.5s ease both;
    margin-top: 20px;
}
.btc-price-card__main { flex: 0 0 auto; }
.btc-price-card__label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.75);
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
}
.btc-price-card__value {
    font-size: clamp(1.7rem, 3vw, 2.5rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
}
.btc-price-card__stats { display: flex; flex-wrap: wrap; gap: 16px 32px; }
.btc-price-card__stat  { display: flex; flex-direction: column; }
.btc-price-card__stat-label {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.65);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 3px;
    font-weight: 600;
}
.btc-price-card__stat-val { font-size: 0.95rem; font-weight: 700; color: #fff; }
.btc-card__change--up   { color: #d1fae5; }
.btc-card__change--down { color: #fee2e2; }

/* =============================================
   EXCHANGE WIDGET
   ============================================= */
.exchange-widget-wrap {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: fit-content;
}
.exchange-widget-wrap iframe {
    border-radius: var(--radius-sm);
    max-width: 100%;
    display: block;
    box-shadow: var(--shadow-md);
}

/* =============================================
   CONTENT BLOCKS  (white cards on light bg)
   ============================================= */
.content-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 40px;
    margin-bottom: 28px;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    opacity: 0;
    transform: translateY(28px);
}
.content-block.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.55s ease, transform 0.55s ease;
}
.content-block:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.content-block h2 {
    font-size: clamp(1.2rem, 2.4vw, 1.7rem);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 14px;
    letter-spacing: -0.018em;
}
.content-block h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent);
    margin: 20px 0 8px;
}
.content-block p   { color: var(--text-muted); line-height: 1.8; margin-bottom: 12px; }
.content-block ul  { margin: 8px 0 14px 18px; }
.content-block ul li { color: var(--text-muted); margin-bottom: 6px; position: relative; }
.content-block ul li::before { content: '›'; color: var(--accent); position: absolute; left: -16px; font-weight: 700; }

/* Accent left border on content blocks */
.content-block::before {
    content: '';
    display: none;
    width: 3px;
    height: 32px;
    background: var(--accent);
    border-radius: 2px;
    margin-bottom: 16px;
    opacity: 0.6;
}

/* Code block inside content */
.content-block pre,
.content-block .code-box {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px 22px;
    font-family: 'Fira Mono', 'Courier New', monospace;
    font-size: 0.85rem;
    color: #334155;
    line-height: 1.8;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Page link lists */
.page-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.page-links a {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 16px;
    background: var(--accent-light);
    border: 1px solid rgba(37,99,235,0.2);
    border-radius: 6px;
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.page-links a:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 3px 12px rgba(37,99,235,0.25);
    border-color: transparent;
}

/* =============================================
   TABLES
   ============================================= */
.btc-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.btc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    background: #fff;
}
.btc-table thead { background: var(--accent-light); }
.btc-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--accent);
    border-bottom: 2px solid rgba(37,99,235,0.12);
    white-space: nowrap;
}
.btc-table td {
    padding: 12px 16px;
    border-bottom: 1px solid #f1f5f9;
    color: var(--text-muted);
    vertical-align: middle;
}
.btc-table tbody tr:last-child td { border-bottom: none; }
.btc-table tr:hover td { background: #f8faff; }
.btc-table__bull { color: var(--bull); font-weight: 700; }
.btc-table__bear { color: var(--bear); font-weight: 700; }
.btc-table__base { color: var(--accent); font-weight: 700; }

/* =============================================
   CHART
   ============================================= */
.btc-chart-wrap {
    background: #1e293b;
    border-radius: var(--radius-sm);
    padding: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.btc-chart-canvas { width: 100% !important; max-height: 420px; }

/* =============================================
   FAQ BLOCK
   ============================================= */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: box-shadow var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow); }
.faq-item__q {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--text);
    font-size: 0.93rem;
    font-weight: 600;
    padding: 15px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    transition: background var(--transition);
}
.faq-item__q:hover { background: #f8faff; }
.faq-item__q-icon { flex-shrink: 0; font-size: 1.1rem; color: var(--accent); transition: transform var(--transition); }
.faq-item.is-open .faq-item__q { background: var(--accent-light); color: var(--accent); }
.faq-item.is-open .faq-item__q-icon { transform: rotate(45deg); }
.faq-item__a {
    display: none;
    padding: 0 20px 16px;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.78;
    border-top: 1px solid var(--border);
    padding-top: 14px;
}
.faq-item.is-open .faq-item__a { display: block; }

/* =============================================
   UNAVAILABLE STATE
   ============================================= */
.btc-unavailable {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-sm);
    color: #991b1b;
    padding: 14px 18px;
    font-size: 0.9rem;
}

/* =============================================
   FOOTER  (dark — stays as-is)
   ============================================= */
.site-footer {
    background: var(--footer-bg);
    border-top: 2px solid #000;
    padding: 52px 0 0;
    margin-top: 40px;
}
.site-footer__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.8fr;
    gap: 36px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.site-footer__col-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent-orange);
    font-weight: 700;
    margin-bottom: 14px;
}
.site-footer__menu { display: flex; flex-direction: column; gap: 9px; }
.site-footer__menu a {
    color: rgba(255,255,255,0.55);
    font-size: 0.875rem;
    transition: color var(--transition);
}
.site-footer__menu a:hover { color: #fff; }
.site-footer__logo-text {
    font-size: 1.05rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}
.site-footer__logo-accent { color: var(--accent-orange); }
.site-footer__about  { color: rgba(255,255,255,0.48); font-size: 0.84rem; line-height: 1.72; margin-bottom: 10px; }
.site-footer__contact { font-size: 0.84rem; color: rgba(255,255,255,0.48); }
.site-footer__contact a { color: var(--accent-orange); }
.site-footer__bottom {
    padding: 18px 0;
    text-align: center;
    color: rgba(255,255,255,0.28);
    font-size: 0.78rem;
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(22px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* =============================================
   404 PAGE
   ============================================= */
.page-404 {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: 60px 24px;
    animation: fadeIn 0.6s ease;
}
.page-404__number {
    font-size: clamp(6rem, 14vw, 11rem);
    font-weight: 900;
    line-height: 1;
    color: var(--accent);
    letter-spacing: -0.05em;
    text-shadow: 0 0 60px rgba(37,99,235,0.2);
    animation: fadeUp 0.6s ease both;
}
.page-404__title { font-size: clamp(1.3rem, 3vw, 2rem); font-weight: 700; color: var(--text); margin-bottom: 12px; }
.page-404__text  { color: var(--text-muted); max-width: 480px; margin-bottom: 32px; }

/* =============================================
   LEGAL PAGES
   ============================================= */
.legal-page { max-width: 840px; margin: 0 auto; padding: var(--section-y) 0; }
.legal-page h1 {
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    font-weight: 800;
    color: var(--text);
    margin-bottom: 28px;
    letter-spacing: -0.02em;
}
.legal-page h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent);
    margin: 32px 0 10px;
    padding-left: 14px;
    border-left: 3px solid var(--accent);
}
.legal-page p   { color: var(--text-muted); margin-bottom: 12px; line-height: 1.8; }
.legal-page ul  { margin: 8px 0 14px 20px; }
.legal-page ul li { color: var(--text-muted); margin-bottom: 6px; position: relative; }
.legal-page ul li::before { content: '›'; color: var(--accent); position: absolute; left: -16px; }

/* =============================================
   IMAGE BLOCKS
   ============================================= */
.img-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: center;
}
.img-block--reverse { direction: rtl; }
.img-block--reverse > * { direction: ltr; }
.img-block__img {
    border-radius: var(--radius-sm);
    overflow: hidden;
    aspect-ratio: 16/10;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    flex-shrink: 0;
}
.img-block__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.img-block:hover .img-block__img img { transform: scale(1.04); }
.img-block__text { display: flex; flex-direction: column; gap: 10px; }

/* Cards with image */
.cards-img-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 20px;
    margin-top: 20px;
}
.card-img {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
    box-shadow: var(--shadow);
}
.card-img:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card-img__img { aspect-ratio: 16/9; overflow: hidden; }
.card-img__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.card-img:hover .card-img__img img { transform: scale(1.06); }
.card-img__body { padding: 18px 20px; }
.card-img__title { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 7px; }
.card-img__text  { font-size: 0.875rem; color: var(--text-muted); line-height: 1.65; }

/* Feature row with icon + image */
.feature-img-row {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}
.feature-img-row:last-child { border-bottom: none; }
.feature-img-row__img { width: 110px; height: 82px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; border: 1px solid var(--border); }
.feature-img-row__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.feature-img-row:hover .feature-img-row__img img { transform: scale(1.08); }
.feature-img-row__body { flex: 1; }
.feature-img-row__title { font-size: 0.96rem; font-weight: 700; color: var(--text); margin-bottom: 5px; }
.feature-img-row__text  { color: var(--text-muted); font-size: 0.87rem; line-height: 1.65; }

/* =============================================
   RESPONSIVE — 768px
   ============================================= */
@media (max-width: 768px) {
    :root { --section-y: 36px; }

    .hero--split .hero__inner { grid-template-columns: 1fr; }
    .hero__img-wrap { display: none; }
    .hero__iframe-wrap { width: 100%; }
    .hero__iframe-wrap iframe { width: 100%; max-width: 100%; height: 380px; }

    .img-block { grid-template-columns: 1fr; }
    .img-block--reverse { direction: ltr; }
    .cards-img-grid { grid-template-columns: 1fr; }
    .feature-img-row { flex-direction: column; align-items: flex-start; }
    .feature-img-row__img { width: 100%; height: 150px; }

    .site-header__inner { height: 56px; }
    .site-header__burger { display: flex; }

    .site-nav {
        display: none;
        position: absolute;
        top: 56px;
        left: 0;
        width: 100%;
        background: var(--header-bg);
        border-top: 1px solid rgba(255,255,255,0.08);
        border-bottom: 1px solid rgba(255,255,255,0.08);
        padding: 10px 0 18px;
        flex-direction: column;
        box-shadow: var(--shadow-lg);
        max-height: calc(100vh - 56px);
        overflow-y: auto;
        z-index: 999;
    }
    .site-nav.is-open { display: flex; animation: fadeIn 0.18s ease; }
    .site-nav__list { flex-direction: column; gap: 0; width: 100%; }
    .site-nav__link { padding: 13px 24px; font-size: 0.95rem; border-radius: 0; color: rgba(255,255,255,0.88); }
    .site-nav__drop {
        position: static;
        background: rgba(255,255,255,0.05);
        border: none;
        border-radius: 0;
        box-shadow: none;
        padding: 0;
        min-width: unset;
        display: block;
    }
    .site-nav__drop li a { padding: 10px 40px; font-size: 0.88rem; color: rgba(255,255,255,0.65); }
    .site-nav__drop li a:hover { background: rgba(255,255,255,0.06); color: #fff; }
    .site-nav__arrow { display: none; }

    .hero { padding: 44px 0 36px; }
    .hero__btns { flex-direction: column; }
    .btn { justify-content: center; }

    .btc-price-card { flex-direction: column; align-items: flex-start; padding: 20px 22px; }
    .btc-price-card__stats { gap: 12px 24px; }

    .content-block { padding: 24px 20px; }
    .content-block::before { display: none; }

    .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .site-footer__col--about { grid-column: 1 / -1; }
}

/* =============================================
   SECTION LIST
   ============================================= */
.section-list {
    margin: 10px 0 18px;
    padding-left: 22px;
    line-height: 1.75;
    color: #374151;
}
.section-list li {
    margin-bottom: 7px;
}
.section-list li strong {
    color: #111827;
}

/* =============================================
   RESPONSIVE — 480px
   ============================================= */
@media (max-width: 480px) {
    .site-footer__grid { grid-template-columns: 1fr; }
    .btc-table th, .btc-table td { padding: 9px 11px; font-size: 0.8rem; }
    .exchange-widget-wrap iframe { width: 100% !important; height: 360px; }
}