* {
    box-sizing: border-box;
}

:root {
    --font-heading: "Inter", "Segoe UI", Arial, sans-serif;
    --font-body: "Inter", "Segoe UI", Arial, sans-serif;
    --navy: #050A18;
    --navy-2: #08142E;
    --navy-3: #0D1E42;
    --cyan: #40CAFF;
    --blue: #4065FF;
    --white: #FFFFFF;
    --soft: #C9D7F5;
    --line: rgba(64, 202, 255, 0.28);
    --panel: rgba(9, 22, 50, 0.82);
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    background: var(--navy);
    color: #EAF1FF;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.68;
}

body.menu-open {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

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

h1,
h2,
h3,
h4 {
    margin: 0 0 18px;
    color: #FFFFFF;
    font-family: var(--font-heading);
    line-height: 1.08;
    letter-spacing: -0.035em;
}

h1 {
    font-size: clamp(39px, 6vw, 72px);
}

h2 {
    font-size: clamp(31px, 4vw, 48px);
}

h3,
h4 {
    font-size: clamp(22px, 2.2vw, 28px);
}

p,
li,
summary,
input,
textarea,
button {
    font-size: 16px;
}

p {
    margin: 0 0 18px;
    color: #D9E6FF;
}

ul,
ol {
    margin: 0;
    padding-left: 20px;
}

strong {
    color: #FFFFFF;
}

.site-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 50;
    border-bottom: 1px solid rgba(64, 202, 255, 0.2);
    background: rgba(5, 10, 24, 0.84);
    backdrop-filter: blur(18px);
}

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

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

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #FFFFFF;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.03em;
    white-space: nowrap;
}

.logo-mark {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    background: linear-gradient(135deg, rgba(64, 202, 255, 0.2), rgba(64, 101, 255, 0.24));
    box-shadow: 0 0 24px rgba(64, 202, 255, 0.2);
}

.logo svg,
.footer-logo svg {
    width: 25px;
    height: 25px;
}

.main-nav {
    display: flex;
    justify-content: center;
    gap: 18px;
}

.main-nav a {
    color: #DDE8FF;
    font-size: 16px;
    font-weight: 650;
    opacity: 0.9;
}

.main-nav a:hover {
    color: var(--cyan);
}

.phone-button,
.cta-button {
    display: inline-flex;
    position: relative;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 52px;
    padding: 0 22px;
    border: 1px solid rgba(64, 202, 255, 0.7);
    background: linear-gradient(135deg, var(--blue), #1E3FCF);
    color: #FFFFFF;
    font-weight: 800;
    white-space: nowrap;
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.45), 0 14px 34px rgba(64, 101, 255, 0.34);
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
    animation: pulseGlow 2.4s infinite;
}

.phone-button:hover,
.cta-button:hover {
    transform: translateY(-2px);
    border-color: #FFFFFF;
    box-shadow: 0 0 0 8px rgba(255, 255, 255, 0.08), 0 20px 50px rgba(64, 202, 255, 0.32);
}

.phone-button svg,
.cta-button svg,
.mobile-call svg {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
}

.menu-toggle {
    display: none;
    width: 48px;
    height: 48px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    color: #FFFFFF;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    margin: 5px auto;
    background: #FFFFFF;
}

.hero {
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    padding: 132px 0 72px;
    background-image: linear-gradient(90deg, rgba(5, 10, 24, 0.98) 0%, rgba(5, 10, 24, 0.86) 44%, rgba(5, 10, 24, 0.5) 72%, rgba(5, 10, 24, 0.7) 100%), url("../images/hero-technician.png");
    background-position: center;
    background-size: cover;
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    border: 1px solid rgba(64, 202, 255, 0.12);
    pointer-events: none;
}

.hero::before {
    top: 118px;
    right: 8%;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(64, 202, 255, 0.18), transparent 68%);
    animation: floatSlow 8s ease-in-out infinite;
}

.hero::after {
    right: -80px;
    bottom: -90px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(64, 101, 255, 0.2), transparent 70%);
}

.hero-grid {
    display: grid;
    position: relative;
    z-index: 2;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.72fr);
    align-items: center;
    gap: 50px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    color: var(--cyan);
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.eyebrow::before,
.section-kicker::after {
    content: "";
    width: 38px;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--blue));
}

.hero-copy .lead {
    max-width: 720px;
    color: #F3F7FF;
    font-size: clamp(18px, 2vw, 22px);
}

.stars {
    margin: 6px 0 16px;
    color: var(--cyan);
    font-size: 28px;
    letter-spacing: 0.08em;
    text-shadow: 0 0 18px rgba(64, 202, 255, 0.55);
}

.hero-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 18px 0 24px;
}

.hero-icons img {
    width: 68px;
    height: 68px;
    object-fit: contain;
    padding: 8px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.06);
}

.hero-cta-text {
    max-width: 580px;
    margin-bottom: 18px;
    color: #FFFFFF;
    font-size: 18px;
    font-weight: 750;
}

.hero-panel,
.glass-card,
.service-card,
.review-card,
.step-card,
.faq-item {
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(11, 25, 57, 0.86), rgba(5, 10, 24, 0.78));
    box-shadow: var(--shadow), inset 0 0 34px rgba(64, 202, 255, 0.04);
}

.hero-panel {
    padding: 30px;
    backdrop-filter: blur(18px);
}

.hero-panel h3 {
    color: #FFFFFF;
}

.benefit-list {
    display: grid;
    gap: 16px;
}

.benefit {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 14px;
    align-items: start;
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.045);
}

.line-icon {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    background: rgba(64, 202, 255, 0.08);
    color: var(--cyan);
}

.line-icon svg {
    width: 24px;
    height: 24px;
    stroke-width: 1.8;
}

.benefit strong,
.service-card strong {
    display: block;
    margin-bottom: 4px;
}

.section {
    position: relative;
    overflow: hidden;
    padding: 92px 0;
    background: var(--navy);
}

.section.alt {
    background: linear-gradient(180deg, #071127, #0A1733);
}

.section.light {
    background: #F5F8FF;
    color: #1B2740;
}

.section.light h2,
.section.light h3,
.section.light h4 {
    color: #111827;
}

.section.light p,
.section.light li {
    color: #374151;
}

.section-header {
    max-width: 820px;
    margin-bottom: 38px;
}

.section-header.center {
    margin-right: auto;
    margin-left: auto;
    text-align: center;
}

.section-kicker {
    display: inline-flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--cyan);
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

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

.service-card {
    min-height: 100%;
    padding: 22px;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(64, 202, 255, 0.72);
    background: linear-gradient(180deg, rgba(13, 34, 77, 0.94), rgba(6, 14, 32, 0.88));
}

.service-card .line-icon {
    margin-bottom: 18px;
}

.service-card ul {
    margin-top: 12px;
}

.split {
    display: grid;
    grid-template-columns: minmax(0, 65%) minmax(280px, 35%);
    align-items: center;
    gap: 34px;
}

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

.split-image {
    overflow: hidden;
    border: 1px solid var(--line);
    background: #0A1228;
    box-shadow: var(--shadow);
}

.split-image img {
    width: 100%;
    min-height: 340px;
    object-fit: cover;
    transition: transform 700ms ease;
}

.split-image:hover img {
    transform: scale(1.04);
}

.problem-list,
.choice-list,
.payment-list {
    display: grid;
    gap: 14px;
}

.problem-list li,
.choice-list li,
.payment-list li {
    padding: 16px 18px;
    border-left: 2px solid var(--cyan);
    background: rgba(64, 202, 255, 0.07);
}

.section.light .problem-list li,
.section.light .choice-list li,
.section.light .payment-list li {
    background: #FFFFFF;
    box-shadow: 0 18px 40px rgba(17, 24, 39, 0.08);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 16px;
}

.step-card {
    padding: 20px;
}

.step-num {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    color: #020617;
    font-weight: 900;
}

.reviews-shell {
    position: relative;
}

.reviews-viewport {
    overflow: hidden;
}

.reviews-track {
    display: flex;
    transition: transform 420ms ease;
}

.review-card {
    flex: 0 0 calc(100% / 3);
    padding: 22px;
    border-right-width: 0;
}

.review-card:last-child {
    border-right-width: 1px;
}

.review-card .stars {
    margin: 0 0 10px;
    font-size: 18px;
}

.review-card p {
    color: #D9E6FF;
}

.review-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 22px;
}

.review-controls button {
    width: 48px;
    height: 48px;
    border: 1px solid var(--line);
    background: rgba(64, 202, 255, 0.08);
    color: #FFFFFF;
    cursor: pointer;
}

.cta-band {
    position: relative;
    overflow: hidden;
    padding: 44px;
    border: 1px solid rgba(64, 202, 255, 0.34);
    background: linear-gradient(135deg, rgba(64, 101, 255, 0.24), rgba(64, 202, 255, 0.08)), #071127;
    box-shadow: var(--shadow);
}

.cta-band h2 {
    max-width: 760px;
}

.local-grid,
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.glass-card,
.faq-item {
    padding: 24px;
}

.faq-item summary {
    cursor: pointer;
    color: #FFFFFF;
    font-weight: 800;
}

.faq-item p {
    margin-top: 14px;
}

.footer {
    padding: 58px 0 92px;
    border-top: 1px solid var(--line);
    background: #030712;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.8fr 1.1fr;
    gap: 34px;
}

.footer,
.footer p,
.footer a,
.footer li {
    color: #CBD7EF;
    font-size: 14px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    color: #FFFFFF;
    font-size: 24px;
    font-weight: 800;
}

.footer h3 {
    font-size: 22px;
}

.footer a:hover {
    color: var(--cyan);
}

.disclaimer {
    margin-top: 30px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-call {
    display: none;
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.42), 0 14px 34px rgba(64, 101, 255, 0.34); }
    70% { box-shadow: 0 0 0 12px rgba(255, 255, 255, 0), 0 14px 34px rgba(64, 101, 255, 0.34); }
    100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0), 0 14px 34px rgba(64, 101, 255, 0.34); }
}

@keyframes floatSlow {
    0%, 100% { transform: translate3d(0, 0, 0); }
    50% { transform: translate3d(-12px, 16px, 0); }
}

@media (max-width: 1060px) {
    .nav-shell {
        grid-template-columns: 1fr auto auto;
        gap: 12px;
        min-height: 76px;
        padding: 10px 0;
    }

    .main-nav {
        position: fixed;
        top: 76px;
        right: 0;
        left: 0;
        display: none;
        flex-direction: column;
        max-height: calc(100vh - 76px);
        padding: 20px;
        overflow-y: auto;
        border-top: 1px solid var(--line);
        background: rgba(5, 10, 24, 0.98);
    }

    .main-nav.is-open {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .service-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .steps-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 780px) {
    body {
        padding-bottom: calc(74px + env(safe-area-inset-bottom));
    }

    h1 {
        font-size: clamp(31px, 9vw, 50px);
    }

    h2 {
        font-size: clamp(25px, 7vw, 36px);
    }

    .nav-shell,
    .container {
        width: min(100% - 28px, 1180px);
    }

    .nav-shell {
        grid-template-columns: 1fr auto;
    }

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

    .logo span:last-child {
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .site-header .phone-button {
        grid-column: 1 / -1;
        width: 100%;
        min-height: 46px;
    }

    .hero {
        min-height: auto;
        padding: 156px 0 54px;
        background-position: 58% center;
    }

    .hero-grid,
    .split,
    .split.flip,
    .local-grid,
    .faq-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .split.flip .split-image {
        order: 2;
    }

    .split.flip .split-content {
        order: 1;
    }

    .service-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 64px 0;
    }

    .review-card {
        flex-basis: 100%;
    }

    .cta-band {
        padding: 28px;
    }

    .mobile-call {
        display: flex;
        position: fixed;
        right: max(0px, env(safe-area-inset-right));
        bottom: max(0px, env(safe-area-inset-bottom));
        left: max(0px, env(safe-area-inset-left));
        z-index: 100;
        align-items: center;
        justify-content: center;
        gap: 10px;
        min-height: 64px;
        padding: 0 14px;
        background: linear-gradient(135deg, var(--blue), #163AC8);
        color: #FFFFFF;
        font-size: 16px;
        font-weight: 900;
        white-space: nowrap;
        box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.42);
    }
}

@media (max-width: 420px) {
    .logo-mark {
        width: 38px;
        height: 38px;
    }

    .hero-icons img {
        width: 58px;
        height: 58px;
    }

    .phone-button,
    .cta-button {
        width: 100%;
        padding: 0 14px;
    }
}