/* --- CSS VARIABLES --- */
:root {
    --black: #000000;
    --near-black: #0a0a0a;
    --dark-accent: #1a1a1a;
    --white: #ffffff;
    --light-gray: #f4f4f4;
    --border-gray: #e0e0e0;
    --accent: #666666;
    --gold: #D4AF37;
}

/* --- GLOBAL RESETS & TYPOGRAPHY --- */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--white);
    color: var(--black);
    line-height: 1.65;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.gold-text { color: var(--gold); }

/* --- HEADER & BANNERS --- */
header {
    background-color: var(--black);
    padding: 40px 15px;
    text-align: center;
}

.logo {
    width: 100%;
    max-width: 700px;
    height: auto;
}

.service-area {
    background-color: var(--dark-accent);
    color: var(--white);
    padding: 22px 15px;
    text-align: center;
    font-size: 0.88rem;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    font-weight: 600;
}

/* --- SECTION SPACING --- */
section { padding: 80px 0; }

/* --- HERO --- */
.hero {
    text-align: center;
    background: radial-gradient(circle at center, #1a1a1a 0%, #000 100%);
    color: var(--white);
    padding: 110px 0;
}

h1 {
    font-size: clamp(2.6rem, 8.5vw, 4.2rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -2px;
    line-height: 1.05;
    margin-bottom: 22px;
}

.subtitle {
    font-size: 1.15rem;
    color: #aaa;
    margin-bottom: 45px;
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}

.contact-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 48px 32px;
    max-width: 520px;
    margin: 0 auto;
    border-radius: 12px;
    backdrop-filter: blur(8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 50px rgba(0, 0, 0, 0.3);
}

.btn-text {
    display: inline-block;
    background: var(--white);
    color: var(--black);
    padding: 20px 40px;
    text-decoration: none;
    font-weight: 900;
    font-size: 1.15rem;
    text-transform: uppercase;
    margin-bottom: 18px;
    transition: all 0.35s ease;
    border-radius: 12px;
    width: 100%;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.btn-text:hover {
    background: var(--gold);
    color: var(--black);
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(212, 175, 55, 0.3);
}

.phone-link {
    display: block;
    color: #aaa;
    text-decoration: none;
    font-size: 0.95rem;
    margin-bottom: 28px;
    transition: color 0.3s ease;
}

.phone-link:hover { color: var(--white); }

.spam-notice {
    font-size: 0.82rem;
    color: #777;
    line-height: 1.55;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 24px;
}

/* --- HOW IT WORKS --- */
.how-it-works {
    text-align: center;
    padding: 110px 0;
}

.how-it-works h2 {
    font-size: 2.1rem;
    text-transform: uppercase;
    margin-bottom: 55px;
    letter-spacing: -0.5px;
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 42px;
}

.step-card {
    background: var(--light-gray);
    padding: 38px 28px 34px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.35s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.step-number {
    display: inline-block;
    background: var(--black);
    color: var(--white);
    width: 52px;
    height: 52px;
    line-height: 52px;
    border-radius: 50%;
    font-weight: 900;
    margin-bottom: 24px;
    font-size: 1.35rem;
}

.step-card h3 {
    text-transform: uppercase;
    margin-bottom: 12px;
    font-size: 1.25rem;
    letter-spacing: -0.3px;
}

.step-card p { color: var(--accent); }

/* --- SHOWCASE --- */
.showcase {
    background: var(--near-black);
    color: var(--white);
    padding: 110px 0;
}

.showcase-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 55px;
    align-items: center;
}

.comparison-slider {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.25);
}

.comparison-slider img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.img-after { clip-path: inset(0 0 0 50%); }

.slider-input {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: ew-resize;
    z-index: 10;
}

.photo-label {
    text-align: center;
    margin-top: 18px;
    color: #777;
    font-size: 0.88rem;
}

.tool-img {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 28px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.tool-text h3 {
    color: var(--gold);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: -0.4px;
}

/* --- LIFETIME WARRANTY --- */
.warranty-section {
    background: var(--black);
    color: var(--white);
    padding: 100px 0;
}

.warranty-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 48px;
    text-align: center;
}

.warranty-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    border: 2px solid var(--gold);
    flex-shrink: 0;
    gap: 6px;
}

.warranty-icon {
    font-size: 2rem;
    color: var(--gold);
    line-height: 1;
}

.warranty-label {
    font-size: 0.78rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gold);
    line-height: 1.3;
}

.warranty-content h2 {
    font-size: clamp(1.8rem, 5vw, 2.6rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    margin-bottom: 24px;
}

.warranty-lead {
    font-size: 1.05rem;
    color: #aaa;
    max-width: 680px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.warranty-points {
    display: flex;
    flex-direction: column;
    gap: 14px;
    text-align: left;
    max-width: 480px;
    margin: 0 auto;
}

.warranty-point {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.97rem;
    color: #ddd;
}

.warranty-point .gold-text {
    font-weight: 900;
    flex-shrink: 0;
    padding-top: 1px;
}

/* --- COST COMPARISON --- */
.cost-comparison {
    text-align: center;
    padding: 110px 0;
}

.cost-comparison h2 {
    margin-bottom: 55px;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    font-size: clamp(1.6rem, 4vw, 2.2rem);
}

.cost-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.cost-card {
    padding: 42px 32px;
    border-radius: 12px;
    text-align: left;
    transition: all 0.35s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.cost-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.cost-card.replace {
    background-color: #f8f9fa;
    border: 1px solid #eaeaea;
}

.cost-card.repair {
    background-color: var(--near-black);
    color: var(--white);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.3);
}

.cost-card h3 {
    margin-bottom: 12px;
    text-transform: uppercase;
    font-size: 1.35rem;
}

.cost-card .price {
    font-size: 1.45rem;
    font-weight: 800;
    margin-bottom: 28px;
}

.cost-card ul { list-style: none; }

.cost-card li {
    margin-bottom: 14px;
    font-size: 0.97rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

/* --- INSURANCE BANNER --- */
.insurance-banner {
    background: var(--dark-accent);
    color: var(--white);
    text-align: center;
    padding: 90px 0;
}

.insurance-banner h2 {
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    font-size: clamp(1.5rem, 4vw, 2rem);
}

.insurance-banner p {
    max-width: 820px;
    margin: 0 auto;
    color: #999;
    font-size: 1.02rem;
}

/* --- FEATURES --- */
.features { padding: 100px 0; background: var(--light-gray); }

.features-title {
    text-align: center;
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    text-transform: uppercase;
    letter-spacing: -0.5px;
    margin-bottom: 55px;
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.feature-item {
    padding: 34px 28px;
    border-radius: 12px;
    background: var(--white);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
    transition: all 0.35s ease;
    border-left: 4px solid var(--dark-accent);
}

.feature-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-item h3 {
    text-transform: uppercase;
    margin-bottom: 16px;
    font-size: 1.18rem;
    letter-spacing: -0.3px;
}

.feature-item ul { list-style: none; }

.feature-item li {
    margin-bottom: 12px;
    font-size: 0.93rem;
    color: var(--accent);
}

/* --- CREDENTIALS BAR --- */
.credentials-bar {
    background: var(--black);
    color: var(--white);
    padding: 60px 0;
    border-top: 1px solid #1a1a1a;
    border-bottom: 1px solid #1a1a1a;
}

.cred-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    text-align: center;
}

.cred-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.cred-icon {
    font-size: 1.6rem;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 4px;
}

.cred-label {
    font-size: 0.9rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cred-sub {
    font-size: 0.78rem;
    color: #666;
    letter-spacing: 0.3px;
}

/* --- BOTTOM CTA --- */
.bottom-cta {
    background-color: var(--white);
    text-align: center;
    padding: 110px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.bottom-cta h2 {
    margin-bottom: 34px;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    font-size: clamp(1.6rem, 4vw, 2.2rem);
}

.btn-text-bottom {
    display: inline-block;
    background: var(--black);
    color: var(--white);
    padding: 22px 48px;
    text-decoration: none;
    font-weight: 900;
    text-transform: uppercase;
    border-radius: 12px;
    transition: all 0.35s ease;
    font-size: 1.12rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-text-bottom:hover {
    background: var(--gold);
    color: var(--black);
    transform: scale(1.04) translateY(-3px);
}

/* --- FAQ --- */
.faq-section {
    background: var(--white);
    padding: 110px 0;
}

.faq-section h2 {
    text-align: center;
    margin-bottom: 65px;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    font-size: clamp(1.6rem, 4vw, 2.2rem);
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
}

.faq-item {
    background: var(--light-gray);
    padding: 36px 30px;
    border-radius: 12px;
    transition: all 0.35s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.05);
}

.faq-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.08);
}

.faq-item h4 {
    margin-bottom: 12px;
    font-weight: 800;
    font-size: 1.05rem;
}

.faq-item p {
    color: var(--accent);
    font-size: 0.96rem;
}

/* --- FOOTER --- */
footer {
    background: var(--black);
    color: #555;
    padding: 70px 0;
    text-align: center;
}

.accepted {
    color: #888;
    margin-bottom: 32px;
    font-size: 0.88rem;
    line-height: 1.8;
}

.copy-text {
    border-top: 1px solid #1a1a1a;
    padding-top: 32px;
    font-size: 0.82rem;
}

/* --- BACK TO TOP --- */
#backToTop {
    display: none;
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 99;
    border: none;
    background-color: var(--gold);
    color: var(--black);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    font-weight: bold;
    font-size: 1.4rem;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

#backToTop:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 25px rgba(212, 175, 55, 0.4);
}

/* --- DESKTOP RESPONSIVENESS --- */
@media (min-width: 768px) {
    .steps-grid { grid-template-columns: repeat(3, 1fr); }
    .showcase-container { grid-template-columns: 1fr 1fr; }
    .cost-grid { grid-template-columns: 1fr 1fr; }
    .feature-grid { grid-template-columns: repeat(3, 1fr); }
    .faq-grid { grid-template-columns: repeat(2, 1fr); }
    .cred-grid { grid-template-columns: repeat(4, 1fr); }
    .btn-text { width: auto; }
    .hero { padding: 130px 0; }

    .warranty-inner {
        flex-direction: row;
        text-align: left;
        align-items: flex-start;
        gap: 60px;
    }

    .warranty-content h2 { text-align: left; }
    .warranty-lead { margin-left: 0; margin-right: 0; }
    .warranty-points { margin-left: 0; }
}

@media (min-width: 1024px) {
    .faq-grid { grid-template-columns: repeat(3, 1fr); }
}


/* ==============================================
   TOP NAV — smart nav (hidden until scroll)
   ============================================== */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--black);
    border-bottom: 1px solid var(--dark-accent);
    /* Start hidden above the viewport */
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
}

/* JS adds this class once user scrolls past the header */
.top-nav.nav-visible {
    transform: translateY(0);
    opacity: 1;
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.nav-logo-link {
    display: flex;
    align-items: center;
}

.nav-logo {
    height: 30px;
    width: auto;
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: #aaa;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
    transition: color 0.25s ease, border-color 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--gold);
    border-bottom-color: var(--gold);
}


/* ==============================================
   CONTACT PAGE
   ============================================== */
.contact-page {
    background: var(--near-black);
    min-height: 100vh;
    padding: 80px 0 100px;
    color: var(--white);
}

.contact-page-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.contact-logo {
    height: 72px;
    width: auto;
    margin-bottom: 1rem;
}

.contact-tagline {
    color: var(--gold);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin: 0;
}

.contact-page-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

/* Shared card base */
.contact-details-card,
.business-info-card {
    background: var(--dark-accent);
    border: 1px solid #2a2a2a;
    border-radius: 12px;
    padding: 2.25rem;
}

.contact-details-card h2,
.business-info-card h2 {
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--gold);
    margin: 0 0 1.75rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #2a2a2a;
}

/* Contact rows */
.contact-detail-row {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.contact-detail-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 0.15rem;
    line-height: 1;
}

.contact-detail-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    margin: 0 0 0.2rem 0;
}

.contact-detail-value {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    margin: 0;
    transition: color 0.25s ease;
}

a.contact-detail-value:hover {
    color: var(--gold);
}

.contact-detail-text {
    font-weight: 400;
}

.contact-service-list {
    color: var(--accent);
    font-size: 0.83rem;
    margin: 0.3rem 0 0 0;
    line-height: 1.5;
}

.contact-cta-row {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    padding-top: 1.75rem;
    border-top: 1px solid #2a2a2a;
}

/* Business info rows */
.biz-info-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid #2a2a2a;
}

.biz-info-row:last-of-type {
    border-bottom: none;
}

.biz-info-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    flex-shrink: 0;
}

.biz-info-value {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--white);
    text-align: right;
}

.payment-accepted {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #2a2a2a;
}

.payment-methods {
    color: var(--accent);
    font-size: 0.85rem;
    margin: 0.5rem 0 0 0;
    line-height: 1.7;
}

/* Contact page spam notice inherits .spam-notice but needs a border fix on dark bg */
.contact-details-card .spam-notice {
    border-top-color: #2a2a2a;
    color: var(--accent);
}

/* ==============================================
   RESPONSIVE — nav & contact page
   ============================================== */
@media (max-width: 767px) {
    .nav-logo { height: 24px; }
    .nav-links { gap: 1.25rem; }
    .nav-link { font-size: 0.78rem; }

    .contact-page { padding: 60px 0 80px; }
    .contact-page-grid { grid-template-columns: 1fr; }

    .contact-cta-row {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .contact-cta-row .btn-text-bottom {
        text-align: center;
    }

    .biz-info-row {
        flex-direction: column;
        gap: 0.15rem;
    }

    .biz-info-value {
        text-align: left;
    }
}