/**
 * Tariff Calculator (関税計算) — Dark theme
 * Prefix: tc-
 */

/* ---- Page background ---- */
body { background: #1a1a1a; }

/* ---- New sqLoader (dark) ---- */
#sqLoader{background:#0a0a0f}
#sqLoader .sq-beam{background:linear-gradient(90deg,transparent 0%,#a855f7 25%,#00f5ff 50%,#a855f7 75%,transparent 100%);box-shadow:0 0 16px 3px rgba(0,245,255,.35),0 0 40px 6px rgba(168,85,247,.18)}
#sqLoader .sq-glow{background:radial-gradient(circle,rgba(0,245,255,.12) 0%,rgba(168,85,247,.06) 40%,transparent 70%)}

/* ======== PAGE LOADER (shared) ======== */
.cp-loader {
    position: fixed; inset: 0; z-index: 9999;
    background: #0a0a0a;
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.8s cubic-bezier(0.4,0,0.2,1), visibility 0.8s cubic-bezier(0.4,0,0.2,1);
}
.cp-loader--done { opacity: 0; visibility: hidden; pointer-events: none; }
.cp-loader-num {
    font-family: var(--font-display); font-size: 48px; font-weight: 200;
    color: #fff; letter-spacing: 8px;
    transition: transform 0.8s cubic-bezier(0.4,0,0.2,1), opacity 0.8s cubic-bezier(0.4,0,0.2,1);
}
.cp-loader--done .cp-loader-num { transform: scale(2); opacity: 0; }

/* ======== PAGE REVEAL ======== */
.cp-hero--full,
.tc-lead,
.tc-calc-section,
.tc-notes-section,
.tc-faq-section,
.tc-cta,
.cp-related {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 1s cubic-bezier(0.4,0,0.2,1), transform 1s cubic-bezier(0.4,0,0.2,1);
}
.cp-hero--full { transform: scale(1.08); transition-duration: 1.2s; }
.cp-page-revealed .cp-hero--full      { opacity: 1; transform: none; transition-delay: 0s; }
.cp-page-revealed .tc-lead            { opacity: 1; transform: none; transition-delay: 0.15s; }
.cp-page-revealed .tc-calc-section    { opacity: 1; transform: none; transition-delay: 0.1s; }
.cp-page-revealed .tc-notes-section   { opacity: 1; transform: none; transition-delay: 0.1s; }
.cp-page-revealed .tc-faq-section     { opacity: 1; transform: none; transition-delay: 0.1s; }
.cp-page-revealed .tc-cta             { opacity: 1; transform: none; transition-delay: 0.1s; }
.cp-page-revealed .cp-related         { opacity: 1; transform: none; transition-delay: 0.1s; }

/* ======== HEADER: transparent over hero ======== */
.site-header.scrolled {
    background: transparent; backdrop-filter: none;
    border-bottom-color: transparent; padding: 0;
    transition: background 0.4s ease, border-color 0.4s ease;
}
.site-header.scrolled .logo-text            { color: var(--color-white); }
.site-header.scrolled .logo-sub             { color: rgba(255,255,255,0.6); }
.site-header.scrolled .header-divider       { background: rgba(255,255,255,0.3); }
.site-header.scrolled .header-site-name     { color: rgba(255,255,255,0.8); }
.site-header.scrolled .header-nav-link      { color: rgba(255,255,255,0.85); }
.site-header.scrolled .header-nav-link:hover { color: var(--color-white); }
.site-header.scrolled .all-menu-label       { color: #fff; }
.site-header.scrolled .all-menu-lines span  { background: #fff; }
.site-header.scrolled .hamburger span       { background: var(--color-white); }
.site-header.scrolled .header-register-btn  { color: #fff; border-color: rgba(255,255,255,0.4); }
.site-header.scrolled .header-account-btn   { color: #fff; }
.site-header.scrolled .header-erp-btn       { color: #fff; border-color: rgba(255,255,255,0.4); }
.site-header.scrolled .header-lang__btn     { color: rgba(255,255,255,0.6); }
.site-header.scrolled .header-lang__btn:hover { color: #fff; }
.site-header.scrolled .header-lang__btn--active { color: #fff; }
.site-header.scrolled .header-lang__sep     { color: rgba(255,255,255,0.3); }
.site-header.scrolled .header-nav-menu a    { color: rgba(255,255,255,0.85); }
.site-header.scrolled .header-nav-menu a:hover { color: #fff; }
.site-header.scrolled .header-nav-menu li:nth-child(-n+2) a { color: #fff; border-color: rgba(255,255,255,0.4); }

.site-header.cp-header-solid {
    background: rgba(255,255,255,0.97) !important;
    backdrop-filter: blur(10px);
    border-bottom-color: var(--color-gray-200) !important;
    padding: 5px 0;
}
.site-header.cp-header-solid .logo-text            { color: var(--color-black) !important; }
.site-header.cp-header-solid .logo-sub             { color: var(--color-gray-500) !important; }
.site-header.cp-header-solid .header-divider       { background: var(--color-gray-300) !important; }
.site-header.cp-header-solid .header-site-name     { color: var(--color-gray-600) !important; }
.site-header.cp-header-solid .header-nav-link      { color: var(--color-gray-700) !important; }
.site-header.cp-header-solid .header-nav-link:hover { color: var(--color-accent) !important; }
.site-header.cp-header-solid .all-menu-label       { color: var(--color-gray-800) !important; }
.site-header.cp-header-solid .all-menu-lines span  { background: var(--color-gray-800) !important; }
.site-header.cp-header-solid .hamburger span       { background: var(--color-black) !important; }
.site-header.cp-header-solid .header-register-btn  { color: var(--color-gray-700) !important; border-color: var(--color-gray-300) !important; }
.site-header.cp-header-solid .header-account-btn   { color: var(--color-gray-700) !important; }
.site-header.cp-header-solid .header-erp-btn       { color: var(--color-gray-700) !important; border-color: var(--color-gray-300) !important; }
.site-header.cp-header-solid .header-lang__btn     { color: var(--color-gray-400) !important; }
.site-header.cp-header-solid .header-lang__btn:hover { color: var(--color-gray-700) !important; }
.site-header.cp-header-solid .header-lang__btn--active { color: var(--color-gray-900) !important; }
.site-header.cp-header-solid .header-lang__sep     { color: var(--color-gray-300) !important; }
.site-header.cp-header-solid .header-nav-menu a    { color: var(--color-gray-700) !important; }
.site-header.cp-header-solid .header-nav-menu a:hover { color: var(--color-accent) !important; }
.site-header.cp-header-solid .header-nav-menu li:nth-child(-n+2) a { color: var(--color-black) !important; border-color: var(--color-gray-300) !important; }

.site-header.scrolled .header-left  { padding-top: 35px; }
.site-header.scrolled .header-right { padding-top: 15px; }
.site-header.scrolled .mob-lang     { padding-top: 38px; }
.site-header.cp-header-solid .header-left  { padding-top: 0 !important; }
.site-header.cp-header-solid .header-right { padding-top: 0 !important; }
.site-header.cp-header-solid .mob-lang     { padding-top: 0 !important; }
@media (max-width: 768px) {
    .site-header.scrolled .header-right { padding-top: 34px; }
}

/* ======== LEAD STATEMENT ======== */
.tc-lead {
    background: #1e1e1e;
    padding: 80px 0;
    text-align: center;
}
.tc-lead-inner { max-width: 700px; margin: 0 auto; }
.tc-lead-label {
    display: block;
    font-family: var(--font-display); font-size: 13px;
    font-weight: 600; letter-spacing: 3px;
    color: var(--color-accent); margin-bottom: 24px;
}
.tc-lead-title {
    font-family: var(--font-serif);
    font-size: clamp(20px, 2.5vw, 28px);
    color: #fff; font-weight: 400;
    line-height: 1.8; letter-spacing: 1px;
    margin: 0 0 16px;
}
.tc-lead-desc {
    font-size: clamp(14px, 1.5vw, 16px);
    color: rgba(255,255,255,0.6);
    line-height: 2; letter-spacing: 0.5px;
    margin: 0;
}

/* ======== CALCULATOR SECTION ======== */
.tc-calc-section {
    background: #222;
    padding: 100px 0;
}
.tc-calc-section .section-title-en { color: #fff; }
.tc-calc-section .section-title-ja { color: var(--color-gray-400); }

.tc-calc {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 48px;
    max-width: 1100px; margin: 0 auto;
}

/* -- Inputs panel -- */
.tc-calc-inputs {
    padding: 40px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
}

/* -- Results panel -- */
.tc-calc-results {
    padding: 40px;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    position: sticky; top: 100px;
    align-self: start;
}

/* ======== INPUT FIELDS ======== */
.tc-field { margin-bottom: 24px; }
.tc-field:last-child { margin-bottom: 0; }
.tc-label {
    display: block; font-size: 13px; font-weight: 600;
    color: rgba(255,255,255,0.9); margin-bottom: 8px;
}

/* Select */
.tc-select {
    width: 100%; padding: 10px 14px; font-size: 15px;
    font-family: var(--font-sans);
    color: #fff; background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 4px;
    appearance: none; -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23999' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 14px center;
    padding-right: 36px;
    transition: border-color var(--transition);
    cursor: pointer;
}
.tc-select:focus {
    outline: none; border-color: var(--color-accent);
    background-color: rgba(255,255,255,0.14);
}
.tc-select option {
    background: #2a2a2a; color: #fff;
}
.tc-select:disabled {
    opacity: 0.4; cursor: not-allowed;
}

/* Number input */
.tc-input {
    width: 100%; padding: 10px 14px; font-size: 15px;
    font-family: var(--font-sans);
    color: #fff; background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 4px;
    transition: border-color var(--transition);
    -moz-appearance: textfield;
}
.tc-input::-webkit-inner-spin-button,
.tc-input::-webkit-outer-spin-button {
    -webkit-appearance: none; margin: 0;
}
.tc-input:focus {
    outline: none; border-color: var(--color-accent);
    background: rgba(255,255,255,0.14);
}
.tc-input--sm { max-width: 100px; text-align: center; }

/* FOB input wrap */
.tc-fob-wrap {
    display: flex; align-items: center; gap: 0;
}
.tc-fob-prefix {
    padding: 10px 12px; font-size: 15px; font-weight: 600;
    color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.25);
    border-right: none; border-radius: 4px 0 0 4px;
}
.tc-fob-wrap .tc-input {
    flex: 1; border-radius: 0 4px 4px 0;
}

/* Exchange rate wrap */
.tc-rate-wrap {
    display: flex; align-items: center; gap: 8px;
}
.tc-rate-prefix,
.tc-rate-suffix {
    font-size: 14px; color: rgba(255,255,255,0.55);
    white-space: nowrap;
}

/* Range labels */
.tc-range-labels {
    display: flex; justify-content: space-between;
    font-size: 11px; color: rgba(255,255,255,0.3);
    margin-top: 4px;
}

/* Toggle buttons (type / shipping method) */
.tc-btn-group { display: flex; gap: 8px; }

.tc-btn-opt {
    flex: 1; padding: 10px 0;
    font-size: 14px; font-family: var(--font-sans);
    font-weight: 500;
    color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 4px; cursor: pointer;
    transition: var(--transition);
    text-align: center;
}
.tc-btn-opt:hover { border-color: rgba(255,255,255,0.25); }
.tc-btn-opt.active {
    color: #fff; background: var(--color-accent);
    border-color: var(--color-accent);
}

/* Range slider */
.tc-range {
    width: 100%; margin-top: 8px;
    -webkit-appearance: none; appearance: none;
    height: 4px; background: rgba(255,255,255,0.12);
    border-radius: 2px; outline: none;
}
.tc-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px; height: 18px;
    background: var(--color-accent); border-radius: 50%;
    cursor: pointer; border: 2px solid #222;
    box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.tc-range::-moz-range-thumb {
    width: 18px; height: 18px;
    background: var(--color-accent); border-radius: 50%;
    cursor: pointer; border: 2px solid #222;
    box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

/* Engine row (hidden by default, visible for ru/lk) */
.tc-engine-row { display: none; }
.tc-engine-row--visible { display: block; }

/* Results placeholder */
.tc-results-placeholder {
    text-align: center; padding: 60px 20px;
    color: rgba(255,255,255,0.3);
}
.tc-results-placeholder p {
    margin: 12px 0 0; font-size: 14px;
}

/* ======== RESULTS PANEL ======== */
.tc-total {
    text-align: center; margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.tc-total-label {
    display: block; font-size: 13px;
    color: rgba(255,255,255,0.4); margin-bottom: 8px;
}
.tc-total-value {
    display: block;
    font-family: var(--font-display);
    font-size: 36px; font-weight: 700;
    color: #c49a2a; line-height: 1;
}
.tc-total-usd {
    display: block; font-size: 14px;
    color: rgba(255,255,255,0.4); margin-top: 8px;
}

/* Breakdown rows */
.tc-row {
    display: flex; align-items: center; gap: 8px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    font-size: 14px;
}
.tc-row:last-child { border-bottom: none; }
.tc-row-label {
    flex: 1;
    color: rgba(255,255,255,0.6);
}
.tc-row-rate {
    font-size: 11px; font-weight: 600;
    color: rgba(255,255,255,0.35);
    background: rgba(255,255,255,0.06);
    padding: 2px 8px; border-radius: 10px;
    white-space: nowrap;
}
.tc-row-val {
    font-family: var(--font-display);
    font-size: 15px; font-weight: 600;
    color: rgba(255,255,255,0.85);
    text-align: right; min-width: 90px;
    transition: color 0.3s ease;
}
/* Value changing flash */
.tc-val-changing {
    color: #c49a2a !important;
}

/* ---- Info icon (compliance) ---- */
.tc-info-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 18px; height: 18px;
    margin-left: 4px; vertical-align: middle;
    color: rgba(255,255,255,0.25);
    cursor: pointer;
    transition: color 0.2s;
}
.tc-info-icon:hover { color: #c49a2a; }

/* ---- Compliance row with note ---- */
.tc-row--compliance {
    flex-wrap: wrap;
}
.tc-compliance-note {
    flex-basis: 100%;
    font-size: 12px; line-height: 1.5;
    color: rgba(255,255,255,0.35);
    padding: 4px 0 0;
    font-style: italic;
}
.tc-compliance-note:empty { display: none; }

/* CIF highlight row */
.tc-row--cif {
    border-left: 3px solid #c49a2a;
    padding-left: 12px;
    margin-left: -12px;
    background: rgba(196,154,42,0.04);
    border-radius: 0 4px 4px 0;
}
.tc-row--cif .tc-row-label { color: rgba(255,255,255,0.8); font-weight: 600; }
.tc-row--cif .tc-row-val { color: #c49a2a; }

/* Hidden row */
.tc-row--hidden { display: none; }

/* Currency conversion text */
.tc-currency {
    text-align: right;
    font-size: 12px; color: rgba(255,255,255,0.3);
    margin-top: 4px;
}

/* Warning callout */
.tc-warning {
    display: flex; align-items: flex-start; gap: 12px;
    margin-top: 20px; padding: 16px 18px;
    background: rgba(245,158,11,0.06);
    border: 1px solid rgba(245,158,11,0.15);
    border-left: 3px solid rgba(245,158,11,0.6);
    border-radius: 6px;
}
.tc-warning svg {
    flex-shrink: 0; color: rgba(245,158,11,0.7);
    margin-top: 1px;
}
.tc-warning {
    font-size: 13px; line-height: 1.7;
    color: rgba(255,255,255,0.55);
}

/* Quote CTA button */
.tc-quote-btn {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    width: 100%; margin-top: 24px; padding: 16px 24px;
    font-size: 15px; font-family: var(--font-sans); font-weight: 600;
    color: #fff; letter-spacing: 0.5px;
    background: linear-gradient(135deg, #c8a84e 0%, #a87e2a 100%);
    border: none; border-radius: 4px; cursor: pointer;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(200,168,78,0.25);
    transition: opacity var(--transition), transform var(--transition);
}
.tc-quote-btn:hover {
    opacity: 0.9; transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(200,168,78,0.35);
}
.tc-quote-btn:active { transform: translateY(0); }

/* Disclaimer */
.tc-disclaimer {
    font-size: 12px; font-style: italic;
    color: rgba(255,255,255,0.3);
    text-align: center; margin-top: 20px; line-height: 1.6;
}

/* ======== COUNTRY NOTES ======== */
.tc-notes-section {
    background: #1e1e1e;
    padding: 80px 0;
}
.tc-notes-section .section-title-en { color: #fff; }
.tc-notes-section .section-title-ja { color: var(--color-gray-400); }

.tc-note {
    display: none;
    max-width: 780px; margin: 0 auto;
    padding: 28px 32px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-left: 3px solid var(--color-accent);
    border-radius: 0 8px 8px 0;
}
.tc-note--active { display: block; }
.tc-note-title {
    font-size: 17px; font-weight: 700;
    color: #fff; margin: 0 0 12px;
}
.tc-note-body {
    font-size: 14px; line-height: 1.9;
    color: rgba(255,255,255,0.55);
}
.tc-note-body p { margin: 0 0 8px; }
.tc-note-body p:last-child { margin-bottom: 0; }
.tc-note-body strong { color: rgba(255,255,255,0.8); }
.tc-note-body ul {
    margin: 8px 0; padding-left: 20px;
}
.tc-note-body li {
    margin-bottom: 4px;
}

/* ======== FAQ ACCORDION ======== */
.tc-faq-section {
    background: #222;
    padding: 100px 0;
}
.tc-faq-section .section-title-en { color: #fff; }
.tc-faq-section .section-title-ja { color: var(--color-gray-400); }

.tc-faq-list { max-width: 780px; margin: 0 auto; }
.tc-faq-item {
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.tc-faq-item:first-child {
    border-top: 1px solid rgba(255,255,255,0.08);
}
.tc-faq-question {
    display: flex; align-items: center; gap: 16px;
    width: 100%; padding: 20px 0;
    font-size: 15px; font-family: var(--font-sans);
    font-weight: 500; color: rgba(255,255,255,0.8);
    background: none; border: none; cursor: pointer;
    text-align: left;
    transition: color var(--transition);
}
.tc-faq-question:hover { color: var(--color-accent); }
.tc-faq-q-badge {
    display: flex; align-items: center; justify-content: center;
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--color-accent); color: #fff;
    font-family: var(--font-display);
    font-size: 14px; font-weight: 700;
    flex-shrink: 0;
}
.tc-faq-q-text { flex: 1; }
.tc-faq-toggle {
    flex-shrink: 0; color: rgba(255,255,255,0.3);
    transition: transform var(--transition);
}
.tc-faq-question[aria-expanded="true"] .tc-faq-toggle { transform: rotate(45deg); }
.tc-faq-toggle-v {
    transition: opacity var(--transition);
}
.tc-faq-question[aria-expanded="true"] .tc-faq-toggle-v { opacity: 0; }

.tc-faq-answer {
    max-height: 0; overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
}
.tc-faq-answer-inner {
    display: flex; align-items: flex-start; gap: 16px;
    padding: 0 0 24px 0;
}
.tc-faq-a-badge {
    display: flex; align-items: center; justify-content: center;
    width: 28px; height: 28px; border-radius: 50%;
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.5);
    font-family: var(--font-display);
    font-size: 14px; font-weight: 700;
    flex-shrink: 0;
}
.tc-faq-answer-inner p {
    font-size: 14px; line-height: 1.9;
    color: rgba(255,255,255,0.5);
    margin: 0;
}

/* ======== CTA SECTION ======== */
.tc-cta {
    position: relative;
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    overflow: hidden;
}
.tc-cta-overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.35);
}
.tc-cta-inner {
    position: relative; z-index: 1;
    max-width: 600px; margin: 0 auto;
}
.tc-cta-label {
    display: block;
    font-family: var(--font-display);
    font-size: 13px; font-weight: 600;
    letter-spacing: 3px; color: var(--color-accent);
    margin-bottom: 20px;
}
.tc-cta-heading {
    font-family: var(--font-serif);
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 400; color: #fff;
    line-height: 1.8; letter-spacing: 1px;
    margin: 0 0 16px;
}
.tc-cta-desc {
    font-size: 15px; color: rgba(255,255,255,0.6);
    line-height: 1.8; margin: 0 0 40px;
}
.tc-cta-buttons {
    display: flex; gap: 16px;
    justify-content: center; flex-wrap: wrap;
}
.tc-cta-btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 16px 32px; font-size: 15px;
    font-family: var(--font-sans); font-weight: 600;
    border-radius: 4px; text-decoration: none;
    transition: var(--transition); letter-spacing: 0.5px;
}
.tc-cta-btn--primary {
    background: var(--color-accent); color: #fff;
    border: 1px solid var(--color-accent);
}
.tc-cta-btn--primary:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
}
.tc-cta-btn--outline {
    background: transparent; color: #fff;
    border: 1px solid rgba(255,255,255,0.4);
}
.tc-cta-btn--outline:hover {
    border-color: #fff; background: rgba(255,255,255,0.08);
}

/* ======== RELATED PAGES (shared dark) ======== */
.cp-related {
    background: #1a1a1a;
    padding: 80px 0;
}
.cp-related-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.cp-related-card {
    display: flex; flex-direction: column;
    align-items: flex-start; padding: 28px 24px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 6px;
    text-decoration: none;
    transition: border-color var(--transition), transform var(--transition);
}
.cp-related-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}
.cp-related-en {
    font-family: var(--font-display);
    font-size: 14px; font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 2px; margin-bottom: 6px;
}
.cp-related-ja {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 12px;
}
.cp-related-arrow {
    font-size: 18px; color: rgba(255,255,255,0.3);
    transition: color var(--transition);
}
.cp-related-card:hover .cp-related-arrow { color: var(--color-accent); }

/* ======== FOOTER override ======== */
.site-footer { background: #111; }

/* ======== WIDE LAYOUT (PC >= 769px) ======== */
@media (min-width: 769px) {
    /* Container -> 1800px */
    .tc-lead .container,
    .tc-calc-section .container,
    .tc-notes-section .container,
    .tc-faq-section .container,
    .tc-cta .container,
    .cp-related .container {
        max-width: 1800px;
        padding: 0 60px;
    }

    /* Lead */
    .tc-lead-inner { max-width: 920px; }

    /* Calculator — wider */
    .tc-calc { max-width: 1200px; gap: 56px; }
    .tc-calc-inputs { padding: 48px; }
    .tc-calc-results { padding: 48px; }
    .tc-total-value { font-size: 44px; }

    /* Notes */
    .tc-note { max-width: 1060px; padding: 32px 40px; }

    /* FAQ */
    .tc-faq-list { max-width: 1060px; }

    /* CTA */
    .tc-cta-inner { max-width: 820px; }

    /* Related pages */
    .cp-related-grid { gap: 28px; }
}

/* ======== RESPONSIVE (Mobile) ======== */
@media (max-width: 768px) {
    /* Section padding */
    .tc-lead            { padding: 40px 0; }
    .tc-calc-section    { padding: 60px 0; }
    .tc-notes-section   { padding: 48px 0; }
    .tc-faq-section     { padding: 60px 0; }
    .tc-cta             { padding: 60px 0; }
    .cp-related         { padding: 48px 0; }

    /* Calculator: single column */
    .tc-calc {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .tc-calc-inputs {
        padding: 28px 20px;
    }
    .tc-calc-results {
        padding: 28px 20px;
        position: static;
    }
    .tc-total-value { font-size: 28px; }

    /* Toggle buttons wrap */
    .tc-btn-group { flex-wrap: wrap; }
    .tc-btn-opt { min-width: calc(50% - 4px); }

    /* Notes */
    .tc-note { padding: 20px; }

    /* FAQ */
    .tc-faq-question { font-size: 14px; padding: 16px 0; }

    /* CTA */
    .tc-cta-buttons { flex-direction: column; align-items: center; }
    .tc-cta-btn { width: 100%; max-width: 300px; justify-content: center; }

    /* Related */
    .cp-related-grid { grid-template-columns: 1fr; }

    /* Footer safe padding */
    .site-footer { padding-bottom: 0; }
}