/* ═══════════════════════════════════════════════
   SPARKWAVE AUTO ELECTRICS — Redesigned Stylesheet
   Direction: High-End Industrial Luxury. Dark Elegance.
   Layout: Replicated Midas Page Layout
   Typography: Cormorant Garamond (Posh Serif) + Inter (Clean Sans-Serif)
   ═══════════════════════════════════════════════ */

/* ── Design Tokens ── */
:root {
    /* Palette */
    --c-black:   #060606;
    --c-dark:    #0f0f0f;
    --c-mid:     #171717;
    --c-border:  #242424;
    --c-muted:   #8a8a8a;
    --c-light:   #f0f0f0;
    --c-white:   #ffffff;
    --c-accent:  #1e88e5;  /* Sparkwave Electric Blue */
    --c-accent2: #42a5f5;
    --c-danger:  #e53935;
    --c-gold:    #c5a880;  /* Premium Posh Gold accent */

    /* Typography */
    --f-display: 'Montserrat', sans-serif;
    --f-body:    'Montserrat', sans-serif;

    /* Spacing */
    --s-xs: 4px;  --s-sm: 8px;  --s-md: 16px;
    --s-lg: 24px; --s-xl: 40px; --s-2xl: 64px;
    --s-3xl: 100px;

    /* Layout metrics */
    --wrap: 1200px;
    --header-h: clamp(100px, 12vw, 150px);
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); overflow-x: hidden; width: 100%; }
body { 
    font-family: var(--f-body); 
    color: var(--c-light); 
    background: var(--c-black); 
    line-height: 1.6; 
    -webkit-font-smoothing: antialiased; 
    overflow-x: hidden;
    width: 100%;
}
img  { display: block; max-width: 100%; height: auto; }
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }

/* Accessible keyboard focus states */
a:focus-visible, button:focus-visible, select:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ── Global Layout & Typography Utilities ── */
.wrap {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 var(--s-lg);
}

h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }

/* ── Premium Buttons ── */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 28px;
    font-family: var(--f-body); font-weight: 600; font-size: 0.85rem;
    letter-spacing: 0.08em; text-transform: uppercase;
    border: 2px solid transparent; cursor: pointer;
    border-radius: 50px;
    transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.btn--accent { background: var(--c-accent); color: var(--c-white); border-color: var(--c-accent); }
.btn--accent:hover { background: var(--c-accent2); border-color: var(--c-accent2); transform: translateY(-1px); box-shadow: 0 4px 15px rgba(30,136,229,0.3); }
.btn--ghost  { background: transparent; color: var(--c-white); border-color: rgba(255,255,255,0.25); }
.btn--ghost:hover  { background: var(--c-white); color: var(--c-black); }
.btn--sm { padding: 10px 20px; font-size: 0.8rem; }
.btn--lg { padding: 18px 36px; font-size: 0.95rem; }

/* ════════════════════════════════════════════════
   HEADER — STICKY & ALWAYS VISIBLE
   ════════════════════════════════════════════════ */
.header {
    position: sticky; top: 0; left: 0; width: 100%; z-index: 1000;
    background: rgba(6, 6, 6, 0.92);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--c-border);
    transition: background-color 0.3s ease;
}
.header--scrolled {
    background: var(--c-black);
    box-shadow: 0 4px 20px rgba(0,0,0,0.6);
}

.header__wrap {
    max-width: var(--wrap); margin: 0 auto;
    padding: 0 var(--s-lg);
    display: flex; justify-content: space-between; align-items: center;
    height: var(--header-h);
}

/* Call CTA */
.header__call {
    flex: 1 1 0%; min-width: 0;
    display: flex; align-items: center; gap: 10px;
    color: var(--c-light); font-weight: 500; font-size: 0.85rem;
    letter-spacing: 0.08em; transition: color 0.25s ease;
}
.header__call:hover { color: var(--c-accent); }
.header__call-icon { color: var(--c-accent); }
.header__call-text-mobile {
    display: none;
}

/* Logo */
.header__logo { 
    flex: 0 0 auto;
    display: flex; align-items: center; justify-content: center; 
}
.header__logo img { height: clamp(75px, 9vw, 120px); width: auto; transition: height 0.3s ease; }

/* Burger */
.header__burger {
    flex: 1 1 0%; min-width: 0;
    display: none; /* Mobile only */
    background: none; border: none; cursor: pointer; padding: var(--s-sm);
    position: relative;
    z-index: 1100;
    justify-content: flex-end;
    align-items: center;
    color: var(--c-white);
    gap: 10px;
}
.burger-text {
    font-family: var(--f-body);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--c-white);
    text-transform: uppercase;
}
.burger-wrap {
    position: relative;
    width: 32px; height: 32px;
}
.burger-wrap svg {
    position: absolute;
    top: 0; left: 0;
    transition: all 0.3s ease;
    color: var(--c-white);
}
.close-icon { opacity: 0; transform: scale(0.5) rotate(-45deg); pointer-events: none; }
.header__burger.is-open .burger-icon { opacity: 0; transform: scale(0.5) rotate(45deg); }
.header__burger.is-open .close-icon { opacity: 1; transform: scale(1) rotate(0); }

/* Slide out / inline nav */
.nav { display: flex; align-items: center; }
.nav__list { display: flex; gap: var(--s-lg); }
.nav__link {
    font-weight: 500; font-size: 0.85rem; color: rgba(255,255,255,0.7);
    letter-spacing: 0.08em; text-transform: uppercase;
    transition: color 0.2s ease;
    padding: 6px 12px;
}
.nav__link:hover { color: var(--c-white); }

/* ════════════════════════════════════════════════
   HERO TITLE (Section Header)
   ════════════════════════════════════════════════ */
.hero-header {
    background: var(--c-black);
    padding: var(--s-lg) 0 var(--s-sm) 0;
    text-align: center;
}
.hero-header__container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--s-lg);
}
.hero-header__title {
    font-family: var(--f-display);
    font-size: clamp(1.6rem, 5vw, 3.2rem);
    font-weight: 300;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--c-white);
    line-height: 1.1;
    margin-bottom: var(--s-xs);
}
.hero-header__subtitle {
    font-family: var(--f-body);
    font-size: clamp(0.8rem, 2vw, 1rem);
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-muted);
}

/* ════════════════════════════════════════════════
   HERO ACCORDIONS (Midas layout)
   ════════════════════════════════════════════════ */
.hero-accordions {
    background: var(--c-black);
    padding: var(--s-sm) 0 var(--s-lg) 0;
}
.hero-accordions__container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 var(--s-lg);
    display: flex;
    flex-direction: column;
    gap: var(--s-sm);
}

.h-acc {
    background: var(--c-dark);
    border: 1px solid var(--c-border);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.25s ease;
}
.h-acc:hover { border-color: #333; }

.h-acc__trigger {
    width: 100%;
    padding: 14px 18px;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    text-align: left;
    color: var(--c-white);
}

.h-acc__title-wrap {
    display: flex;
    align-items: center;
    gap: var(--s-md);
}
.h-acc__icon {
    color: var(--c-accent);
}
.h-acc__label {
    font-family: var(--f-body);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
}

.h-acc__plus {
    position: relative;
    width: 16px;
    height: 16px;
}
.h-acc__plus::before, .h-acc__plus::after {
    content: '';
    position: absolute;
    background: var(--c-accent);
    transition: transform 0.25s ease;
}
/* Horizontal line */
.h-acc__plus::before {
    top: 7px; left: 0; width: 16px; height: 2px;
}
/* Vertical line */
.h-acc__plus::after {
    top: 0; left: 7px; width: 2px; height: 16px;
}

.h-acc__trigger[aria-expanded="true"] .h-acc__plus::after {
    transform: rotate(90deg);
    opacity: 0;
}
.h-acc__trigger[aria-expanded="true"] .h-acc__plus::before {
    transform: rotate(180deg);
}

/* Accordion Content Panel */
.h-acc__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    border-top: 0 solid var(--c-border);
}
.h-acc__content.is-active {
    max-height: 1200px; /* High enough for forms */
    overflow-y: auto;
    border-top-width: 1px;
}

.h-acc__inner {
    padding: 24px;
}
.h-acc__text {
    font-size: 0.95rem;
    color: var(--c-muted);
    margin-bottom: var(--s-md);
}

/* Appointment Form inside Hero Accordion */
.h-acc__form {
    padding: 24px;
}
.h-acc__form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s-md);
    margin-bottom: var(--s-lg);
}
.form-field {
    display: flex;
    flex-direction: column;
    gap: var(--s-xs);
}
.form-field--full {
    grid-column: 1 / -1;
}
.form-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--c-muted);
}
.h-acc__form input, .h-acc__form select, .h-acc__form textarea {
    background: var(--c-mid);
    border: 1px solid var(--c-border);
    border-radius: 6px;
    padding: 12px 14px;
    color: var(--c-white);
    font-family: var(--f-body);
    font-size: 0.95rem;
    transition: border-color 0.25s ease;
}
.h-acc__form input:focus, .h-acc__form select:focus, .h-acc__form textarea:focus {
    outline: none;
    border-color: var(--c-accent);
}
.h-acc__form input::placeholder, .h-acc__form textarea::placeholder {
    color: #4a4a4a;
}
.appt-submit-btn {
    width: auto;
    align-self: flex-start;
}

.form-success-msg {
    display: none;
    padding: 24px;
    color: var(--c-accent2);
    font-weight: 500;
}
.form-success-msg.is-visible {
    display: block;
}

/* Checker widget inside Accordion 2 */
.h-acc__search-box {
    display: flex;
    gap: var(--s-sm);
}
.h-acc__search-input {
    flex: 1;
    background: var(--c-mid);
    border: 1px solid var(--c-border);
    border-radius: 6px;
    padding: 12px 16px;
    color: var(--c-white);
    font-family: var(--f-body);
    font-size: 0.95rem;
    transition: border-color 0.25s ease;
}
.h-acc__search-input:focus {
    outline: none;
    border-color: var(--c-accent);
}
.search-result {
    margin-top: var(--s-md);
    font-size: 0.95rem;
}
.search-result--success { color: var(--c-accent2); }
.search-result--error { color: var(--c-danger); }

/* Offers Widget inside Accordion 3 */
.offers-list {
    display: flex;
    flex-direction: column;
    gap: var(--s-md);
}
.offer-item {
    border-left: 3px solid var(--c-accent);
    padding-left: var(--s-md);
}
.offer-badge {
    display: inline-block;
    background: #0f2e5c;
    color: var(--c-accent2);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 2px 8px;
    margin-bottom: var(--s-xs);
}
.offer-title {
    font-family: var(--f-body);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--c-white);
    margin-bottom: 2px;
}
.offer-desc {
    font-size: 0.9rem;
    color: var(--c-muted);
}

/* Calculator Widget inside Accordion 4 */
.h-acc__estimate-calculator {
    display: flex;
    gap: var(--s-md);
    align-items: flex-end;
}
.calculator-select {
    background: var(--c-mid);
    border: 1px solid var(--c-border);
    border-radius: 6px;
    padding: 12px 14px;
    color: var(--c-white);
    font-family: var(--f-body);
    font-size: 0.95rem;
    width: 280px;
    transition: border-color 0.25s ease;
}
.calculator-select:focus {
    outline: none;
    border-color: var(--c-accent);
}
.calc-result {
    margin-top: var(--s-lg);
    padding: 16px;
    background: var(--c-mid);
    border: 1px solid var(--c-border);
    border-radius: 6px;
    display: none;
}
.calc-result--success {
    display: block;
    border-left: 3px solid var(--c-accent);
}
.calc-result--error {
    display: block;
    color: var(--c-danger);
}
.calc-result__item {
    font-size: 1rem;
    margin-bottom: var(--s-xs);
}
.calc-result__item strong {
    color: var(--c-white);
}
.calc-result__note {
    font-size: 0.8rem;
    color: var(--c-muted);
    margin-top: var(--s-sm);
}

/* ════════════════════════════════════════════════
   HERO IMAGE BANNER
   ════════════════════════════════════════════════ */
.hero-image-banner {
    background: var(--c-black);
}
.hero-image-banner__wrap {
    width: 100%;
    margin: 0;
    padding: 0;
}
.hero-image-banner__wrap img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    display: block;
}

/* ════════════════════════════════════════════════
   PROMO BANNER
   ════════════════════════════════════════════════ */
.promo-banner {
    background: var(--c-black);
    padding: var(--s-md) 0;
    text-align: center;
    border-bottom: 1px solid var(--c-border);
}
.promo-banner__container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--s-lg);
}
.promo-banner__badge {
    display: inline-block;
    background: var(--c-danger);
    color: var(--c-white);
    font-family: var(--f-body);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 4px 14px;
    margin-bottom: var(--s-md);
}
.promo-banner__title {
    font-family: var(--f-display);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    color: var(--c-white);
    margin-bottom: var(--s-md);
}
.promo-banner__desc {
    color: var(--c-muted);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: var(--s-xl);
}

/* ════════════════════════════════════════════════
   SERVICES SECTION (Midas Split Layout)
   ════════════════════════════════════════════════ */
.services-sec {
    background: var(--c-black);
    padding: var(--s-lg) 0;
    border-bottom: 1px solid var(--c-border);
}
.services-sec__container {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 var(--s-lg);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--s-2xl);
    align-items: center;
}



.services-sec__title {
    font-family: var(--f-display);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 300;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--c-white);
    margin-bottom: var(--s-xl);
}

/* Vertical Services Accordions */
.s-acc-list {
    display: flex;
    flex-direction: column;
    gap: var(--s-xs);
}

.s-acc {
    border-bottom: 1px solid var(--c-border);
}

.s-acc__trigger {
    width: 100%;
    padding: 20px 0;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    text-align: left;
    color: var(--c-white);
}
.s-acc__title {
    font-family: var(--f-body);
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.s-acc__plus {
    position: relative;
    width: 14px;
    height: 14px;
}
.s-acc__plus::before, .s-acc__plus::after {
    content: '';
    position: absolute;
    background: var(--c-accent);
    transition: transform 0.25s ease;
}
/* Horizontal */
.s-acc__plus::before {
    top: 6px; left: 0; width: 14px; height: 2px;
}
/* Vertical */
.s-acc__plus::after {
    top: 0; left: 6px; width: 2px; height: 14px;
}

.s-acc__trigger[aria-expanded="true"] .s-acc__plus::after {
    transform: rotate(90deg);
    opacity: 0;
}
.s-acc__trigger[aria-expanded="true"] .s-acc__plus::before {
    transform: rotate(180deg);
}

.s-acc__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}
.s-acc__content.is-active {
    max-height: 250px;
}

.s-acc__inner {
    padding: 0 0 24px 0;
}
.s-acc__inner p {
    font-size: 0.95rem;
    color: var(--c-muted);
    margin-bottom: var(--s-md);
}

/* ════════════════════════════════════════════════
   GUARANTEES SECTION (Terms Accordion)
   ════════════════════════════════════════════════ */
.guarantees-sec {
    background: var(--c-black);
    padding: var(--s-lg) 0;
    border-bottom: 1px solid var(--c-border);
}
.guarantees-sec__container {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 var(--s-lg);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--s-2xl);
    align-items: center;
}

.guarantees-sec__title {
    font-family: var(--f-display);
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--c-white);
    margin-bottom: var(--s-lg);
}

.g-acc-list {
    display: flex;
    flex-direction: column;
    gap: var(--s-sm);
}
.g-acc {
    border: 1px solid var(--c-border);
    background: var(--c-dark);
    border-radius: 6px;
    overflow: hidden;
}
.g-acc__trigger {
    width: 100%;
    padding: 16px 20px;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    text-align: left;
    color: rgba(255,255,255,0.8);
    font-family: var(--f-body);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.04em;
}
.g-acc__arrow {
    display: block;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--c-accent);
    border-bottom: 2px solid var(--c-accent);
    transform: rotate(45deg);
    transition: transform 0.25s ease;
    margin-right: 4px;
}
.g-acc__trigger[aria-expanded="true"] .g-acc__arrow {
    transform: rotate(-135deg);
}

.g-acc__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease-out;
}
.g-acc__content.is-active {
    max-height: 200px;
}
.g-acc__inner {
    padding: 0 20px 20px 20px;
    font-size: 0.85rem;
    color: var(--c-muted);
    line-height: 1.6;
}

/* ════════════════════════════════════════════════
   SIGNUP BANNER
   ════════════════════════════════════════════════ */
.signup-banner {
    position: relative;
    padding: var(--s-xl) 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.signup-banner__bg {
    position: absolute;
    inset: 0;
    z-index: 1;
}
.signup-banner__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.signup-banner__overlay {
    position: absolute;
    inset: 0;
    background: rgba(6,6,6,0.85);
}

.signup-banner__content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    padding: 0 var(--s-lg);
}

.signup-banner__title {
    font-family: var(--f-display);
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 300;
    letter-spacing: 0.04em;
    color: var(--c-white);
    margin-bottom: var(--s-lg);
}

.signup-btn {
    min-width: 200px;
}

.signup-banner__form-wrap {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    margin-top: var(--s-md);
}
.signup-banner__form-wrap.is-visible {
    max-height: 120px;
}

.signup-form {
    display: flex;
    gap: var(--s-sm);
    justify-content: center;
    max-width: 500px;
    margin: 0 auto;
}
.signup-input {
    flex: 1;
    background: rgba(23,23,23,0.9);
    border: 1px solid var(--c-border);
    border-radius: 6px;
    padding: 14px 16px;
    color: var(--c-white);
    font-family: var(--f-body);
    font-size: 0.95rem;
}
.signup-input:focus {
    outline: none;
    border-color: var(--c-accent);
}
.signup-submit-btn {
    padding: 14px 24px;
}

.signup-success-msg {
    display: none;
    margin-top: var(--s-md);
    color: var(--c-accent2);
    font-weight: 500;
    font-size: 0.95rem;
}
.signup-success-msg.is-visible {
    display: block;
}

/* ════════════════════════════════════════════════
   FOOTER (Midas Accordion Grid Layout)
   ════════════════════════════════════════════════ */
.footer-sec {
    background: var(--c-black);
    color: var(--c-muted);
    border-top: 1px solid var(--c-border);
    padding: var(--s-2xl) 0 var(--s-md) 0;
}
.footer-sec__container {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 var(--s-lg);
}

.footer-accordions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--s-xl);
    margin-bottom: var(--s-2xl);
}

.f-acc__trigger {
    display: block;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--c-white);
    font-family: var(--f-body);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: var(--s-md);
    pointer-events: none; /* Disabled accordion functionality on desktop grid view */
}
.f-acc__plus {
    display: none; /* Mobile only */
}

/* Footer accordion expanded by default on desktop */
.f-acc__content {
    max-height: none;
    overflow: visible;
}

.f-acc__list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.f-acc__list a {
    font-size: 0.85rem;
    transition: color 0.2s ease;
}
.f-acc__list a:hover {
    color: var(--c-white);
}

.f-acc__text-content {
    font-size: 0.85rem;
    line-height: 1.6;
}
.f-acc__hours {
    margin-top: var(--s-sm);
    color: var(--c-accent2);
    font-weight: 500;
}

/* Bottom elements bar */
.footer-bottom {
    border-top: 1px solid var(--c-border);
    padding-top: var(--s-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--s-lg);
}

.footer-bottom__copy {
    font-size: 0.8rem;
}

.footer-bottom__links {
    display: flex;
    align-items: center;
    gap: var(--s-sm);
    font-size: 0.8rem;
}
.footer-bottom__links a:hover {
    color: var(--c-white);
}
.footer-bottom__dot {
    width: 3px;
    height: 3px;
    background: var(--c-muted);
    border-radius: 50%;
}

.footer-bottom__social {
    display: flex;
    gap: var(--s-md);
}
.footer-bottom__social a {
    color: var(--c-muted);
    transition: color 0.2s ease;
}
.footer-bottom__social a:hover {
    color: var(--c-white);
}

/* Back to top button */
.back-to-top {
    background: none;
    border: 1px solid var(--c-border);
    padding: 10px 18px;
    color: var(--c-light);
    font-family: var(--f-body);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 50px;
    transition: background-color 0.25s ease, border-color 0.25s ease;
}
.back-to-top:hover {
    background: var(--c-mid);
    border-color: #333;
}

#hero-slideshow {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    max-height: 500px;
    overflow: hidden;
    margin: 0;
}
@media (min-width: 768px) {
    #hero-slideshow {
        aspect-ratio: 21 / 9;
    }
}
#hero-slideshow .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}
#hero-slideshow .slide.active {
    opacity: 1;
}

.services-sec__image-wrap,
.guarantees-sec__image-wrap {
    width: 100%;
    overflow: hidden;
}

.services-sec__image-wrap img,
.guarantees-sec__image-wrap img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    transform: scale(1.05);
    display: block;
}

/* Underline expanded accordion topics */
.h-acc__trigger[aria-expanded="true"] .h-acc__label,
.s-acc__trigger[aria-expanded="true"] .s-acc__title,
.g-acc__trigger[aria-expanded="true"] span:first-child,
.f-acc__trigger[aria-expanded="true"] span:first-child {
    text-decoration: underline;
    text-underline-offset: 4px;
}

/* Gold button variant */
.btn--gold {
    background: var(--c-gold);
    color: var(--c-black);
    border-color: var(--c-gold);
}
.btn--gold:hover {
    background: #d4ba96;
    border-color: #d4ba96;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(197, 168, 128, 0.3);
}

/* Centralized accordion buttons */
.h-acc__inner .btn,
.s-acc__inner .btn,
.g-acc__inner .btn,
.f-acc__inner .btn {
    width: 100%;
    justify-content: center;
    margin-top: 15px;
    display: flex;
}

.s-acc:last-child, .g-acc:last-child {
    margin-bottom: 0 !important;
}

/* ═══════════════
   PRELOADER (Loading Screen)
   ═══════════════ */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    height: 100vh;
    height: 100dvh;
    background: var(--c-black);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}
.preloader__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    width: 100%;
    max-width: 320px;
    padding: 0 var(--s-lg);
}
.preloader__logo {
    width: 240px;
    height: auto;
    opacity: 0;
    transform: translateY(10px);
    animation: preloaderLogoFade 0.8s ease forwards;
}
.preloader__bar-container {
    width: 100%;
    height: 3px;
    background: var(--c-border);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}
.preloader__bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--c-accent);
    border-radius: 4px;
    animation: preloaderProgress 1.6s cubic-bezier(0.65, 0.05, 0.36, 1) forwards;
}

@keyframes preloaderLogoFade {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes preloaderProgress {
    0% { width: 0; }
    50% { width: 45%; }
    80% { width: 85%; }
    100% { width: 100%; }
}

/* ════════════════════════════════════════════════
   MEDIA QUERIES (Responsive refinement)
   ════════════════════════════════════════════════ */

@media (max-width: 1024px) {
    .services-sec__container,
    .guarantees-sec__container {
        display: block;
    }
    .services-sec__image-wrap,
    .guarantees-sec__image-wrap {
        max-width: none;
        width: calc(100% + var(--s-lg) * 2);
        margin-left: calc(-1 * var(--s-lg));
        margin-right: calc(-1 * var(--s-lg));
        margin-bottom: var(--s-lg);
    }
}

@media (max-width: 768px) {
    :root {
        --header-h: clamp(70px, 10vw, 90px);
    }
    
    .header__logo img {
        height: clamp(65px, 12vw, 85px);
        transform: scale(1.45);
    }
    
    .header__call-text {
        display: none; /* Hide text on mobile, keep icon */
    }
    .header__call-text-mobile {
        display: inline;
        font-family: var(--f-body);
        font-size: 0.8rem;
        font-weight: 700;
        letter-spacing: 0.08em;
        color: var(--c-white);
    }
    .header__call-icon {
        color: var(--c-white);
    }

    /* Mobile off-canvas side drawer nav */
    .header__burger {
        display: flex;
        justify-content: flex-end;
        align-items: center;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: 0;
        transform: translateX(100%);
        width: 80%;
        max-width: 320px;
        height: 100vh;
        height: 100dvh;
        background: rgba(10,10,10,0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--s-xl);
        transition: transform 0.35s ease;
        z-index: 1050;
        border-left: 1px solid var(--c-border);
    }
    .nav.is-open {
        transform: translateX(0);
    }
    .nav__list {
        flex-direction: column;
        align-items: center;
        gap: var(--s-xl);
    }
    .nav__link {
        font-size: 1.25rem;
    }

    /* Hero accordions inputs */
    .h-acc__form-grid {
        grid-template-columns: 1fr;
    }
    .h-acc__estimate-calculator {
        flex-direction: column;
        align-items: stretch;
    }
    .calculator-select {
        width: 100%;
    }

    /* Footer accordions (Enabled functionality on mobile) */
    .footer-accordions {
        grid-template-columns: 1fr;
        gap: var(--s-sm);
    }
    .f-acc {
        border-bottom: 1px solid var(--c-border);
    }
    .f-acc__trigger {
        pointer-events: auto; /* Enable accordion clicking on mobile */
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 0;
        padding: 16px 0;
    }
    
    .f-acc__plus {
        display: block;
        position: relative;
        width: 12px;
        height: 12px;
    }
    .f-acc__plus::before, .f-acc__plus::after {
        content: '';
        position: absolute;
        background: var(--c-accent);
        transition: transform 0.25s ease;
    }
    .f-acc__plus::before {
        top: 5px; left: 0; width: 12px; height: 2px;
    }
    .f-acc__plus::after {
        top: 0; left: 5px; width: 2px; height: 12px;
    }
    .f-acc__trigger[aria-expanded="true"] .f-acc__plus::after {
        transform: rotate(90deg);
        opacity: 0;
    }
    .f-acc__trigger[aria-expanded="true"] .f-acc__plus::before {
        transform: rotate(180deg);
    }

    .f-acc__content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.25s ease-out;
    }
    .f-acc__content.is-active {
        max-height: 250px;
    }
    .f-acc__list {
        padding-bottom: 16px;
    }
    .f-acc__text-content {
        padding-bottom: 16px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        align-items: center;
        gap: var(--s-md);
    }
    .back-to-top {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .h-acc__search-box {
        flex-direction: column;
    }
    .signup-form {
        flex-direction: column;
    }
}