* {
    box-sizing: border-box;
}

:root {
    --font-heading: Arial, Helvetica, sans-serif;
    --font-body: Arial, Helvetica, sans-serif;
    --border: #D1D5DB;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.16);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-size: 16px;
    line-height: 1.65;
}

body.menu-open {
    overflow: hidden;
}

a {
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(17, 17, 17, 0.1);
    backdrop-filter: blur(14px);
}

.header-inner {
    min-height: 82px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 22px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #111827;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 24px;
    letter-spacing: -0.04em;
    white-space: nowrap;
}

.brand img {
    width: 38px;
    height: 38px;
    object-fit: cover;
}

.nav-toggle {
    display: none;
    border: 1px solid #111827;
    background: #FFFFFF;
    color: #111827;
    min-width: 46px;
    min-height: 42px;
    font-size: 24px;
    cursor: pointer;
}

.nav-links {
    display: flex;
    justify-content: center;
    gap: 22px;
}

.nav-links a {
    font-size: 18px;
    color: #1F2937;
    font-weight: 700;
}

.nav-links a:hover {
    color: var(--accent);
}

.call-button,
.cta-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 52px;
    padding: 14px 24px;
    border: 2px solid var(--accent);
    background: var(--accent);
    color: #FFFFFF;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: -0.01em;
    box-shadow: 0 10px 26px rgba(133, 7, 7, 0.3);
    transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
    animation: pulseGlow 2.2s ease-in-out infinite;
}

.call-button:hover,
.cta-button:hover {
    transform: translateY(-2px);
    background: #650404;
    border-color: #650404;
    color: #FFFFFF;
}

.call-button svg,
.cta-button svg {
    width: 20px;
    height: 20px;
    flex: 0 0 auto;
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.46), 0 10px 26px rgba(133, 7, 7, 0.3); }
    50% { box-shadow: 0 0 0 12px rgba(255, 255, 255, 0), 0 15px 36px rgba(133, 7, 7, 0.38); }
}

.hero {
    min-height: calc(100vh - 82px);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.78) 44%, rgba(0, 0, 0, 0.48) 100%), url('../images/technician-oven.jpg') center / cover no-repeat;
    color: #FFFFFF;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
    gap: 44px;
    align-items: center;
    padding: 72px 0;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #FFFFFF;
    border-left: 5px solid var(--accent);
    padding-left: 14px;
    font-weight: 800;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

h1,
h2,
h3,
h4 {
    margin: 0 0 18px;
    line-height: 1.08;
    letter-spacing: -0.055em;
}

h1 {
    color: #FFFFFF;
    font-size: clamp(45px, 6.2vw, 76px);
    max-width: 860px;
}

h2 {
    font-size: clamp(30px, 4vw, 48px);
}

h3,
h4 {
    font-size: 22px;
    letter-spacing: -0.035em;
}

p {
    font-size: 16px;
    margin: 0 0 18px;
}

.hero-copy p {
    max-width: 760px;
    color: #F9FAFB;
    font-size: 18px;
}

.stars {
    display: flex;
    gap: 2px;
    color: var(--accent);
    font-size: 26px;
    line-height: 1;
    margin: 22px 0 12px;
}

.hero-badges {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin: 0 0 26px;
}

.hero-badges img {
    width: 54px;
    height: 54px;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.9);
    padding: 7px;
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.hero-panel {
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.28);
    backdrop-filter: blur(16px);
    padding: 32px;
    color: #FFFFFF;
    animation: riseIn 700ms ease both;
}

.hero-panel h2 {
    color: #FFFFFF;
    font-size: 30px;
}

.hero-panel ul {
    display: grid;
    gap: 18px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.benefit-item {
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 12px;
    align-items: start;
    font-size: 16px;
    font-weight: 700;
}

.benefit-item svg,
.section-icon {
    width: 32px;
    height: 32px;
    stroke: var(--accent);
    fill: none;
    stroke-width: 2.2;
    stroke-linecap: square;
    stroke-linejoin: miter;
}

.section {
    padding: 86px 0;
}

.section-alt {
    background: #F4F4F5;
}

.section-dark {
    background: #111111;
    color: #F9FAFB;
}

.section-dark h2,
.section-dark h3,
.section-dark p {
    color: #FFFFFF;
}

.section-head {
    max-width: 850px;
    margin-bottom: 38px;
}

.accent-rule {
    display: block;
    width: 74px;
    height: 5px;
    background: var(--accent);
    margin: 10px 0 24px;
}

.split {
    display: grid;
    grid-template-columns: minmax(0, 65%) minmax(280px, 35%);
    gap: 42px;
    align-items: center;
}

.split.reverse {
    grid-template-columns: minmax(280px, 35%) minmax(0, 65%);
}

.split.reverse .split-media {
    order: 1;
}

.split.reverse .split-copy {
    order: 2;
}

.split-media {
    position: relative;
}

.split-media img {
    width: 100%;
    min-height: 320px;
    object-fit: cover;
    border: 8px solid #FFFFFF;
    box-shadow: var(--shadow);
}

.split-media::after {
    content: '';
    position: absolute;
    inset: auto -16px -16px auto;
    width: 46%;
    height: 44%;
    background: var(--accent);
    z-index: -1;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.service-card,
.reason-card,
.process-card,
.faq-item,
.review-card {
    background: #FFFFFF;
    border: 1px solid var(--border);
    padding: 24px;
    box-shadow: 0 10px 28px rgba(17, 17, 17, 0.06);
}

.service-card {
    min-height: 300px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-card h3,
.reason-card h3,
.process-card h3,
.faq-item h3,
.review-card h3 {
    color: #111827;
}

.service-card p,
.reason-card p,
.process-card p,
.faq-item p,
.review-card p {
    color: #374151;
}

.icon-box {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    border: 2px solid #111827;
    background: #FFFFFF;
}

.icon-box svg {
    width: 34px;
    height: 34px;
    fill: none;
    stroke: var(--accent);
    stroke-width: 2;
    stroke-linecap: square;
    stroke-linejoin: miter;
}

.reason-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.reason-card {
    border-top: 5px solid var(--accent);
}

.cta-band {
    background: linear-gradient(135deg, #111111 0%, #282828 55%, #850707 100%);
    color: #FFFFFF;
    padding: 54px;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 28px;
}

.cta-band h2,
.cta-band p {
    color: #FFFFFF;
}

.reviews-wrap {
    position: relative;
}

.reviews-track {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: calc((100% - 36px) / 3);
    gap: 18px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    padding-bottom: 12px;
}

.reviews-track::-webkit-scrollbar {
    display: none;
}

.review-card {
    scroll-snap-align: start;
    min-height: 230px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.review-stars {
    color: var(--accent);
    font-size: 20px;
    letter-spacing: 2px;
}

.carousel-controls {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 16px;
}

.carousel-controls button {
    width: 48px;
    height: 48px;
    border: 1px solid #111827;
    background: #111827;
    color: #FFFFFF;
    font-size: 24px;
    cursor: pointer;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.step-number {
    font-size: 40px;
    line-height: 1;
    color: var(--accent);
    font-weight: 900;
    margin-bottom: 14px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.local-list {
    columns: 2;
    margin: 0;
    padding-left: 20px;
}

.site-footer {
    background: #0A0A0A;
    color: #E5E7EB;
    padding: 54px 0 90px;
    font-size: 14px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 34px;
    margin-bottom: 30px;
}

.site-footer .brand {
    color: #FFFFFF;
    margin-bottom: 14px;
}

.site-footer a {
    color: #FFFFFF;
}

.footer-links {
    display: grid;
    gap: 8px;
}

.disclaimer {
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    padding-top: 24px;
    color: #D1D5DB;
    font-size: 14px;
}

.mobile-fixed-call {
    display: none;
}

.fade-up {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 600ms ease, transform 600ms ease;
}

.fade-up.in-view {
    opacity: 1;
    transform: translateY(0);
}

@keyframes riseIn {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 980px) {
    .header-inner {
        grid-template-columns: 1fr auto;
        gap: 12px;
        padding: 10px 0;
    }

    .brand {
        font-size: 24px;
        min-width: 0;
    }

    .nav-toggle {
        display: inline-grid;
        place-items: center;
    }

    .header-call {
        grid-column: 1 / -1;
        width: 100%;
        min-height: 46px;
        font-size: 16px;
    }

    .nav-links {
        position: fixed;
        inset: 108px 0 auto 0;
        display: none;
        grid-template-columns: 1fr;
        background: #FFFFFF;
        border-bottom: 1px solid var(--border);
        padding: 18px 20px 24px;
        box-shadow: 0 16px 35px rgba(0, 0, 0, 0.14);
    }

    .nav-links.open {
        display: grid;
    }

    .hero {
        min-height: calc(100vh - 116px);
    }

    .hero-grid,
    .split,
    .split.reverse,
    .cta-band,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .split.reverse .split-media,
    .split.reverse .split-copy {
        order: initial;
    }

    .hero-grid {
        gap: 24px;
        padding: 34px 0 42px;
    }

    h1 {
        font-size: clamp(32px, 9vw, 53px);
    }

    h2 {
        font-size: clamp(26px, 7vw, 34px);
    }

    .service-grid,
    .reason-grid,
    .process-grid,
    .faq-grid {
        grid-template-columns: 1fr 1fr;
    }

    .reviews-track {
        grid-auto-columns: calc((100% - 18px) / 2);
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 28px, 1180px);
    }

    .brand span {
        white-space: normal;
        line-height: 1.05;
    }

    .section {
        padding: 58px 0;
    }

    .hero-copy p {
        font-size: 16px;
    }

    .hero-panel {
        padding: 22px;
    }

    .hero-badges img {
        width: 46px;
        height: 46px;
    }

    .service-grid,
    .reason-grid,
    .process-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .reviews-track {
        grid-auto-columns: 86%;
    }

    .cta-band {
        padding: 30px 22px;
    }

    .local-list {
        columns: 1;
    }

    .mobile-fixed-call {
        position: fixed;
        left: max(10px, env(safe-area-inset-left));
        right: max(10px, env(safe-area-inset-right));
        bottom: max(10px, env(safe-area-inset-bottom));
        z-index: 80;
        display: inline-flex;
        width: auto;
    }
}