/*
 * iZone Mobile Repair — shared white + blue theme.
 * Colors are pulled from the actual live site (izonemobilerepair.uk)
 * computed styles, not invented: #0b1e3d headings, #1e4fa3 primary links/
 * CTAs, #dce7f9 / #f4f7fc light-blue section tints, #071729 deepest navy.
 * Everything else (accent/hover/active/success/error) is derived to extend
 * that same family, not a separate palette.
 */

/* Manrope — the real site's actual header/nav typeface (confirmed via its
   own Google Fonts request), scoped to the header only here rather than
   changing the whole site's body font. */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@500;600;700&display=swap');

:root {
    /* iZone brand purple — the single centralized token for every primary
       CTA/button/link/focus/active-state/accent-text color site-wide.
       Change these four values to change the brand color everywhere. */
    --brand-primary: #7c3aed;
    --brand-primary-hover: #6d28d9;
    --brand-primary-active: #5b21b6;
    --brand-primary-light: #f2edff;
    --brand-primary-border: #e4d9fb;

    /* Core blues, lightest to darkest — headings, body text, and the dark
       footer/section backgrounds stay this navy family untouched.
       --primary-blue/--accent-blue/--hover-blue/--active-blue are kept as
       names (used throughout theme.css/booking.css/every page) but now
       alias the brand-purple tokens above, so every button/CTA/link/focus
       ring that already referenced them converts automatically without
       touching each individual rule. */
    --pale-blue: #f4f7fc;
    --light-blue: #dce7f9;
    --border-blue: #e3e9f4;
    --primary-blue: var(--brand-primary);
    --accent-blue: var(--brand-primary);
    --hover-blue: var(--brand-primary-hover);
    --active-blue: var(--brand-primary-active);
    --medium-blue: #14294e;
    --dark-blue: #0b1e3d;
    --darkest-blue: #071729;

    /* Gradients, matching the ones already in use on the live site */
    --gradient-dark: linear-gradient(160deg, var(--darkest-blue) 0%, var(--dark-blue) 45%, var(--medium-blue) 100%);
    --gradient-light: linear-gradient(140deg, var(--light-blue), var(--pale-blue));
    --gradient-primary: linear-gradient(135deg, var(--primary-blue), var(--medium-blue));
    --glow-primary: radial-gradient(900px 500px at 85% -10%, rgba(124, 58, 237, 0.14), rgba(0, 0, 0, 0) 62%);

    /* Surfaces + text */
    --background: #ffffff;
    --surface: var(--pale-blue);
    --surface-alt: var(--light-blue);
    --text-dark: var(--dark-blue);
    --text-muted: #5b6b85;
    --text-on-blue: #ffffff;

    /* Semantic (kept blue-adjacent, not a rainbow of extra colors) */
    --success: #1a8f5c;
    --success-bg: #e6f6ee;
    --warning: #c9962c;
    --warning-bg: #fbf1dc;
    --error: #c53030;
    --error-bg: #fdecec;

    --radius: 12px;
    --shadow-card: 0 1px 3px rgba(11, 30, 61, 0.08);
    --shadow-card-hover: 0 10px 24px rgba(11, 30, 61, 0.12);
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--background);
    color: var(--text-dark);
    margin: 0;
}

a { color: var(--primary-blue); }

/* ---------- Layout chrome ---------- */

/* Sticky header — position:sticky (not fixed) so it never removes itself
   from document flow, meaning no compensating padding-top hack is needed
   anywhere to avoid a content jump. Background + blur match the real
   site's actual computed header style (rgba(255,255,255,0.82) +
   backdrop-filter blur(16px) saturate(1.6)); the shadow/border only
   appears once scrolled (.is-scrolled, toggled by nav-toggle.js). */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.86);
    -webkit-backdrop-filter: blur(14px) saturate(1.5);
    backdrop-filter: blur(14px) saturate(1.5);
    color: var(--dark-blue);
    border-bottom: 1px solid transparent;
    box-shadow: none;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.site-header.is-scrolled {
    border-bottom-color: var(--border-blue);
    box-shadow: 0 4px 16px rgba(7, 23, 41, 0.08);
}

.site-header .header-inner {
    max-width: 1150px;
    margin: 0 auto;
    padding: 0.7rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-header .brand {
    display: flex;
    align-items: center;
    color: var(--dark-blue);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.01em;
}

.site-header .site-logo {
    height: 40px;
    width: auto;
    display: block;
}

.site-nav { display: flex; align-items: center; gap: 0.15rem; }

.site-nav a:not(.call-btn) {
    font-family: 'Manrope', -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--medium-blue);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    transition: color 0.15s ease, background 0.15s ease;
}

.site-nav a:not(.call-btn):hover { color: var(--primary-blue); background: var(--pale-blue); }
.site-nav a.active:not(.call-btn) { color: var(--primary-blue); background: var(--brand-primary-light); }
.site-nav .call-btn { margin-left: 0.75rem; }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.4rem;
    color: var(--dark-blue);
    cursor: pointer;
    align-items: center;
    justify-content: center;
}
.nav-toggle svg { width: 26px; height: 26px; }

.nav-backdrop { display: none; }

@media (max-width: 900px) {
    .nav-toggle { display: flex; }
    .site-nav {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: min(78vw, 320px);
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 5rem 1.5rem 2rem;
        gap: 0.15rem;
        box-shadow: -8px 0 24px rgba(11, 30, 61, 0.15);
        transform: translateX(100%);
        transition: transform 0.25s ease;
        z-index: 80;
        overflow-y: auto;
    }
    .site-nav.is-open { transform: translateX(0); }
    .site-nav a:not(.call-btn) {
        padding: 0.9rem 0.6rem;
        border-radius: 0;
        border-bottom: 1px solid var(--border-blue);
    }
    .site-nav a.active:not(.call-btn) { background: none; }
    .site-nav .call-btn { margin: 1.25rem 0.6rem 0; justify-content: center; }

    .nav-backdrop.is-visible {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(7, 23, 41, 0.45);
        z-index: 70;
    }
}

main.page { padding: 2rem; max-width: 1040px; margin: 0 auto; }

/* ---------- Repair method cards (homepage + Repair Services page) ---------- */

.methods { padding: 4rem 2rem 5rem; background: var(--surface); }
.methods .inner { max-width: 1100px; margin: 0 auto; }
.methods h2 { text-align: center; margin-bottom: 0.4rem; }
.methods .section-sub { text-align: center; color: var(--text-muted); margin: 0 0 3rem; }
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; align-items: stretch; }
.method-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: #fff;
    border: 1px solid var(--border-blue);
    border-radius: 24px;
    padding: 2.5rem 1.75rem 3.25rem;
    box-shadow: var(--shadow-card);
    position: relative;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.method-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.method-icon {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: var(--gradient-light);
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: background 0.2s ease, color 0.2s ease;
}
.method-icon svg { width: 42px; height: 42px; }
.method-card:hover .method-icon { background: var(--primary-blue); color: #fff; }
.method-card .label { font-weight: 800; font-size: 1.25rem; color: var(--dark-blue); margin-bottom: 0.75rem; }
.method-card p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.5; margin: 0; flex: 1; }
.method-card .btn {
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translate(-50%, 50%);
    padding: 0.7rem 1.75rem;
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.28);
    white-space: nowrap;
}
.method-card .btn:hover { transform: translate(-50%, 50%) translateY(-2px); }
@media (max-width: 900px) {
    .method-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .method-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

.method-modal {
    border: none;
    border-radius: 20px;
    padding: 2rem;
    max-width: 460px;
    width: calc(100% - 2rem);
    box-shadow: 0 25px 60px rgba(7, 23, 41, 0.35);
}
.method-modal::backdrop { background: rgba(7, 23, 41, 0.55); }
.method-modal h3 { margin: 0 0 0.75rem; color: var(--dark-blue); }
.method-modal p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.5; margin: 0 0 1.25rem; }
.method-modal dl { margin: 0 0 1.5rem; font-size: 0.88rem; }
.method-modal dt { font-weight: 700; color: var(--medium-blue); margin-top: 0.75rem; }
.method-modal dd { margin: 0.2rem 0 0; color: var(--text-dark); }
.method-modal-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* ---------- Numbered step cards (homepage How It Works + Book Repair page) ---------- */

.how-it-works { padding: 3rem 2rem; background: var(--surface); }
.how-it-works .inner { max-width: 1000px; margin: 0 auto; }
.how-it-works h2 { text-align: center; margin-bottom: 2rem; }
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; }
.step-card { text-align: center; }
.step-number {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #fff;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.85rem;
}
.step-title { font-weight: 700; color: var(--dark-blue); margin-bottom: 0.35rem; }
.step-card p { color: var(--text-muted); font-size: 0.85rem; margin: 0; }

/* ---------- FAQ accordion (homepage + FAQs page) ---------- */

.faq { padding: 3rem 2rem; max-width: 720px; margin: 0 auto; }
.faq h2 { text-align: center; margin-bottom: 2rem; }
.faq-item { background: #fff; border: 1px solid var(--border-blue); border-radius: var(--radius); margin-bottom: 0.75rem; overflow: hidden; }
.faq-item summary { padding: 1rem 1.25rem; font-weight: 700; color: var(--dark-blue); cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { padding: 0 1.25rem 1.1rem; margin: 0; color: var(--text-muted); font-size: 0.9rem; }

/* ---------- Breadcrumb / progress ---------- */

.breadcrumb {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.breadcrumb a { color: var(--medium-blue); text-decoration: none; font-weight: 600; }
.breadcrumb a:hover { color: var(--primary-blue); text-decoration: underline; }
.breadcrumb .sep { color: var(--border-blue); }
.breadcrumb .current { color: var(--dark-blue); font-weight: 600; }

.progress-steps { display: flex; gap: 0.4rem; margin-bottom: 1.5rem; }
.progress-steps .step {
    flex: 1;
    height: 4px;
    border-radius: 4px;
    background: var(--border-blue);
}
.progress-steps .step.done { background: var(--primary-blue); }
.progress-steps .step.current { background: var(--accent-blue); }

/* ---------- Headings ---------- */

h1, h2, h3 { color: var(--dark-blue); }
h1 { font-size: 1.6rem; margin: 0 0 1.25rem; }

/* ---------- Cards / grids ---------- */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.card {
    display: block;
    background: #fff;
    border: 1px solid var(--border-blue);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-decoration: none;
    color: var(--text-dark);
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
    box-shadow: var(--shadow-card-hover);
    border-color: var(--accent-blue);
    transform: translateY(-1px);
}

.card.is-selected {
    border-color: var(--primary-blue);
    background: var(--brand-primary-light);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.card .name { font-weight: 700; margin-bottom: 0.3rem; color: var(--dark-blue); }
.card .meta { font-size: 0.82rem; color: var(--text-muted); }

.card.device-card { padding: 0; overflow: hidden; }
.device-card .device-image {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-light);
    color: var(--medium-blue);
}
.device-card .device-image img { width: 100%; height: 100%; object-fit: contain; }
.device-card .device-image svg { width: 56px; height: 56px; }
.device-card .device-body { padding: 1rem 1.25rem 1.25rem; }

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.3rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--text-on-blue);
}
.btn-primary:hover { background: var(--hover-blue); }
.btn-primary:active { background: var(--active-blue); }

.btn-outline {
    background: transparent;
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}
.btn-outline:hover { background: var(--brand-primary-light); }
.btn-outline:active { background: var(--brand-primary-border); }

.btn:disabled, .btn[aria-disabled="true"] {
    background: var(--brand-primary-light);
    color: #a99bd6;
    border-color: var(--brand-primary-border);
    cursor: not-allowed;
}

.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.85rem; }

.call-btn { display: inline-flex; align-items: center; gap: 0.4rem; }
.call-btn svg { width: 15px; height: 15px; }

/* ---------- Repair tiles ---------- */

.repair-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }

.repair-tile {
    background: #fff;
    border: 1px solid var(--border-blue);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.repair-tile[open] {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12);
}

.repair-tile summary {
    list-style: none;
    cursor: pointer;
    padding: 1rem 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.repair-tile summary::-webkit-details-marker { display: none; }
.repair-tile summary .summary-text { flex: 1; }
.repair-tile summary .summary-name { font-weight: 700; color: var(--dark-blue); }
.repair-tile summary .summary-price { font-weight: 700; white-space: nowrap; color: var(--primary-blue); }
.repair-tile summary .chevron { color: var(--accent-blue); transition: transform 0.15s ease; flex: none; }
.repair-tile[open] summary .chevron { transform: rotate(180deg); }
.repair-tile .tile-body { padding: 0 1.1rem 1.1rem; border-top: 1px solid var(--border-blue); }
.repair-tile .tile-description { color: var(--text-muted); font-size: 0.85rem; margin: 0.85rem 0; }
.repair-tile .tile-prices { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.repair-tile .tile-prices div { font-size: 0.85rem; }
.repair-tile .tile-prices .label { color: var(--text-muted); display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; }
.repair-tile .tile-prices .value { font-weight: 700; color: var(--dark-blue); }

.repair-icon {
    flex: none;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: var(--light-blue);
    color: var(--medium-blue);
    display: flex;
    align-items: center;
    justify-content: center;
}
.repair-icon svg { width: 18px; height: 18px; }

/* ---------- Price highlight / badges / notifications ---------- */

.price-highlight {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    background: var(--light-blue);
    color: var(--medium-blue);
    font-weight: 700;
    font-size: 0.85rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-error { background: var(--error-bg); color: var(--error); }
.badge-offer { background: var(--gradient-primary); color: #fff; }

.notice {
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    font-size: 0.88rem;
    margin-bottom: 1.1rem;
}
.notice-success { background: var(--success-bg); color: var(--success); }
.notice-warning { background: var(--warning-bg); color: var(--warning); }
.notice-error { background: var(--error-bg); color: var(--error); }
.notice-info { background: var(--light-blue); color: var(--medium-blue); }

/* ---------- Misc ---------- */

.model-search { margin-bottom: 1.25rem; }
.model-search input {
    width: 100%;
    max-width: 320px;
    padding: 0.6rem 0.9rem;
    border: 1px solid var(--border-blue);
    border-radius: 999px;
    font-size: 0.95rem;
    color: var(--text-dark);
}
.model-search input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.empty {
    background: var(--surface);
    border: 1px dashed var(--border-blue);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
}

.hint { color: var(--text-muted); font-size: 0.85rem; margin: -0.5rem 0 1.25rem; }

.model-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem; }
.model-photo {
    flex: none;
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    background: var(--gradient-light);
    color: var(--medium-blue);
    display: flex;
    align-items: center;
    justify-content: center;
}
.model-photo img { width: 100%; height: 100%; object-fit: contain; border-radius: var(--radius); }
.model-photo svg { width: 34px; height: 34px; }
.model-header h1 { margin: 0; }

/* Shared site footer (includes/footer.php) — used by every customer-facing
   page. Background matches the live site's real footer color exactly
   (rgb(7,23,41), already defined as --darkest-blue). */
.main-footer { background: var(--darkest-blue); color: #b9c6de; padding: 3.5rem 2rem 0; }
.footer-top {
    max-width: 1150px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr;
    gap: 2.5rem;
    padding-bottom: 2.5rem;
}
.footer-col:not(:last-child) { border-right: 1px solid rgba(255,255,255,0.1); padding-right: 2.5rem; }
.footer-col h3 { color: #fff; font-size: 1rem; margin: 0 0 1rem; }
.footer-col-newsletter p { color: #b9c6de; font-size: 0.88rem; margin: 0 0 1rem; max-width: 320px; }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a { color: #b9c6de; text-decoration: none; font-size: 0.9rem; transition: color 0.15s ease; }
.footer-links a:hover { color: var(--accent-blue); text-decoration: underline; }

.newsletter-form { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.5rem; }
.newsletter-form input {
    flex: 1 1 180px;
    min-width: 0;
    padding: 0.6rem 0.8rem;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.06);
    color: #fff;
    font-size: 0.9rem;
}
.newsletter-form input::placeholder { color: #8b9ab8; }
.newsletter-msg { font-size: 0.82rem; min-height: 1.2em; margin: 0 0 1.1rem; }
.newsletter-msg.is-success { color: #7fd99a; }
.newsletter-msg.is-error { color: #e88; }
.footer-social { display: flex; gap: 0.6rem; }
.footer-social a {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    color: #fff;
    transition: background 0.15s ease;
}
.footer-social a:hover { background: var(--accent-blue); }
.footer-social svg { width: 18px; height: 18px; }

.footer-bottom {
    max-width: 1150px;
    margin: 0 auto;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 1.5rem 0;
}
.footer-bottom-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.82rem;
}
.footer-copy { color: #8b9ab8; }
.footer-legal-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer-legal-links a { color: #b9c6de; text-decoration: none; }
.footer-legal-links a:hover { color: var(--accent-blue); text-decoration: underline; }
.footer-areas {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-top: 1.25rem;
    color: #8b9ab8;
    font-size: 0.82rem;
}
.footer-areas svg { width: 16px; height: 16px; flex: none; margin-top: 0.15rem; color: var(--accent-blue); }
.footer-areas strong { color: #b9c6de; }

.whatsapp-float, .back-to-top {
    position: fixed;
    right: 1.25rem;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 18px rgba(7, 23, 41, 0.35);
    z-index: 60;
    border: none;
    cursor: pointer;
}
.whatsapp-float {
    bottom: 1.25rem;
    background: #00e676;
    color: #fff;
    transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.whatsapp-float svg { width: 26px; height: 26px; }
.whatsapp-float:hover {
    background: #00c96a;
    transform: scale(1.08);
    box-shadow: 0 10px 26px rgba(7, 23, 41, 0.4), 0 0 0 6px rgba(0, 230, 118, 0.18);
}

.back-to-top {
    bottom: 5.25rem;
    background: var(--accent-blue);
    color: #fff;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease, background 0.15s ease;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--hover-blue); }
.back-to-top svg { width: 22px; height: 22px; }

@media (max-width: 900px) {
    .footer-top { grid-template-columns: 1fr 1fr; }
    .footer-col-newsletter { grid-column: 1 / -1; border-right: none; padding-right: 0; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 2rem; margin-bottom: 0.5rem; }
}
@media (max-width: 640px) {
    .footer-top { grid-template-columns: 1fr; }
    .footer-col:not(:last-child) { border-right: none; padding-right: 0; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 1.5rem; }
    .footer-bottom-bar { flex-direction: column; align-items: flex-start; }
    .whatsapp-float, .back-to-top { width: 46px; height: 46px; right: 1rem; }
    .whatsapp-float { bottom: 1rem; }
    .back-to-top { bottom: 4.75rem; }
}