:root {
    --ink: #071014;
    --panel: #0e1a21;
    --panel-soft: #14242d;
    --steel: #9fb3bf;
    --text: #eef6f8;
    --muted: #9fb0b8;
    --line: #27404c;
    --ice: #62d7e8;
    --signal: #f06a3d;
    --clean: #d7f8ff;
    --light: #eef4f5;
    --dark: #05090c;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--ink);
    color: var(--text);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(98, 215, 232, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(98, 215, 232, 0.035) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: linear-gradient(to bottom, black, transparent 72%);
    mask-image: linear-gradient(to bottom, black, transparent 72%);
}

a {
    color: inherit;
}

/* NAV */
.navbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px clamp(20px, 5vw, 64px);
    background: rgba(5, 9, 12, 0.88);
    border-bottom: 1px solid rgba(98, 215, 232, 0.14);
    backdrop-filter: blur(16px);
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0;
}

.logo-mark {
    display: grid;
    place-items: center;
    width: 46px;
    height: 42px;
    border: 1px solid var(--ice);
    border-radius: 8px;
    color: var(--clean);
    font-size: 13px;
    font-weight: 800;
    background: linear-gradient(135deg, rgba(98, 215, 232, 0.18), rgba(240, 106, 61, 0.12));
    box-shadow: inset 0 0 24px rgba(98, 215, 232, 0.18);
}

.logo strong,
.logo small {
    display: block;
}

.logo strong {
    font-size: 17px;
}

.logo small {
    margin-top: 2px;
    color: var(--muted);
    font-size: 11px;
}

.navbar nav {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.navbar a {
    text-decoration: none;
}

.navbar nav a {
    padding: 10px 12px;
    border-radius: 6px;
    color: var(--muted);
    font-size: 14px;
}

.navbar nav a:hover {
    color: var(--text);
    background: rgba(98, 215, 232, 0.08);
}

.navbar .nav-quote {
    color: var(--dark);
    background: var(--ice);
    font-weight: 700;
}

.navbar .nav-quote:hover {
    color: var(--dark);
    background: var(--clean);
}

/* SHARED */
section {
    position: relative;
    padding: 96px clamp(20px, 5vw, 64px);
}

section > h2,
section > .section-label,
section > .section-sub,
.services > .grid,
.comparison-grid,
.industry-grid,
.trust-grid,
.about > p,
.why-grid {
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 780px;
    margin-bottom: 22px;
    font-size: clamp(42px, 7vw, 82px);
    line-height: 0.98;
    letter-spacing: 0;
}

h2 {
    margin-bottom: 18px;
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.05;
    letter-spacing: 0;
}

h3 {
    font-size: 20px;
    line-height: 1.2;
}

p {
    color: var(--muted);
    line-height: 1.65;
}

.section-label,
.badge,
.card-kicker {
    color: var(--ice);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    padding: 8px 12px;
    border: 1px solid rgba(98, 215, 232, 0.22);
    border-radius: 6px;
    background: rgba(98, 215, 232, 0.07);
}

.section-label::before {
    content: "";
    width: 28px;
    height: 2px;
    background: var(--signal);
}

.section-sub {
    max-width: 760px;
    margin-bottom: 0;
    font-size: 17px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 14px 22px;
    border: 1px solid var(--signal);
    border-radius: 6px;
    color: #130804;
    background: var(--signal);
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 14px 36px rgba(240, 106, 61, 0.24);
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.btn:hover {
    transform: translateY(-2px);
    background: #ff7f54;
    border-color: #ff7f54;
}

.btn-secondary {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(98, 215, 232, 0.32);
    box-shadow: none;
}

.btn-secondary:hover {
    color: var(--dark);
    background: var(--ice);
    border-color: var(--ice);
}

/* HERO */
.hero {
    min-height: 780px;
    display: grid;
    align-items: end;
    padding-top: 150px;
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(5, 9, 12, 0.96) 0%, rgba(5, 9, 12, 0.8) 42%, rgba(5, 9, 12, 0.16) 100%),
        linear-gradient(0deg, var(--ink) 0%, transparent 34%),
        url("assets/hero-surface-cleaning.png") center right / cover no-repeat;
}

.hero::after {
    content: "";
    position: absolute;
    left: clamp(20px, 5vw, 64px);
    right: clamp(20px, 5vw, 64px);
    bottom: 118px;
    height: 1px;
    background: linear-gradient(90deg, var(--ice), rgba(98, 215, 232, 0));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    padding: 9px 12px;
    border: 1px solid rgba(98, 215, 232, 0.36);
    border-radius: 6px;
    background: rgba(14, 26, 33, 0.72);
}

.badge::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 18px var(--signal);
}

.subtitle {
    max-width: 650px;
    margin-bottom: 30px;
    color: #c5d2d8;
    font-size: 18px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-highlights {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    max-width: 900px;
    margin-top: 42px;
}

.hero-highlights span {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 40px;
    padding: 9px 14px;
    border: 1px solid rgba(98, 215, 232, 0.22);
    border-radius: 6px;
    color: #d8e8ed;
    background: rgba(7, 16, 20, 0.7);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.hero-highlights span::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--ice);
    box-shadow: 0 0 14px rgba(98, 215, 232, 0.8);
}

/* SERVICES */
.services {
    text-align: center;
}

.grid,
.comparison-grid,
.industry-grid,
.trust-grid {
    display: grid;
    gap: 18px;
    margin-top: 42px;
}

.grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card,
.method-card,
.trust-item,
.why-card {
    border: 1px solid rgba(98, 215, 232, 0.16);
    border-radius: 8px;
    background: linear-gradient(180deg, rgba(20, 36, 45, 0.92), rgba(9, 18, 23, 0.92));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.card {
    min-height: 230px;
    padding: 28px;
    text-align: left;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.card:hover {
    transform: translateY(-6px);
    border-color: rgba(98, 215, 232, 0.34);
    background: linear-gradient(180deg, rgba(26, 47, 58, 0.96), rgba(11, 23, 29, 0.96));
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.22);
}

.card h3,
.method-card h3,
.trust-item h3 {
    margin-top: 18px;
    margin-bottom: 12px;
}

.card p,
.method-card p,
.trust-item p,
.why-card p {
    margin-bottom: 0;
}

.card-kicker {
    display: inline-block;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--signal);
    transition: border-color 180ms ease, padding-right 180ms ease;
}

.card:hover .card-kicker {
    padding-right: 24px;
    border-color: var(--ice);
}

/* METHODS */
.methods,
.trust {
    background: var(--panel);
    text-align: center;
}

.comparison-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.method-card {
    min-height: 270px;
    padding: 30px;
    text-align: left;
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.method-card:hover {
    transform: translateY(-4px);
    border-color: rgba(98, 215, 232, 0.3);
    box-shadow: 0 22px 58px rgba(0, 0, 0, 0.16);
}

.method-card::before,
.trust-item::before {
    content: "";
    display: block;
    width: 44px;
    height: 3px;
    background: linear-gradient(90deg, var(--ice), var(--signal));
    transition: width 180ms ease;
}

.method-card:hover::before {
    width: 64px;
}

/* BEST FOR */
.best-for {
    text-align: center;
}

.industry-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.industry-item {
    position: relative;
    min-height: 118px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    gap: 22px;
    padding: 24px;
    border: 1px solid rgba(98, 215, 232, 0.16);
    border-radius: 8px;
    background:
        linear-gradient(180deg, rgba(20, 36, 45, 0.9), rgba(9, 18, 23, 0.92));
    color: var(--text);
    text-align: left;
    overflow: hidden;
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.industry-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ice), transparent);
}

.industry-item span {
    align-self: flex-start;
    color: var(--ice);
    font-size: 12px;
    font-weight: 900;
}

.industry-item strong {
    align-self: stretch;
    font-size: 18px;
    line-height: 1.25;
}

.industry-item:hover {
    transform: translateY(-5px);
    border-color: rgba(98, 215, 232, 0.34);
    box-shadow: 0 26px 68px rgba(0, 0, 0, 0.2);
}

.industry-item:hover::before {
    background: linear-gradient(90deg, var(--ice), var(--signal));
}

/* TRUST */
.trust-grid {
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.trust-item {
    padding: 28px;
    text-align: left;
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.trust-item:hover {
    transform: translateY(-4px);
    border-color: rgba(98, 215, 232, 0.34);
    box-shadow: 0 22px 58px rgba(0, 0, 0, 0.18);
}

.trust-item::before {
    transition: width 180ms ease;
}

.trust-item:hover::before {
    width: 64px;
}

.trust-note {
    max-width: 720px;
    margin: 28px auto 0;
    color: #bfccd2;
    font-size: 14px;
}

/* ABOUT */
.about {
    background:
        linear-gradient(90deg, rgba(98, 215, 232, 0.07), transparent 46%),
        var(--ink);
}

.about-content {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
    gap: 42px;
    align-items: center;
    max-width: 1180px;
    margin: 0 auto;
}

.about-content > div:first-child {
    max-width: 720px;
}

.about-content p {
    font-size: 17px;
}

.about-panel {
    position: relative;
    padding: 34px;
    border: 1px solid rgba(98, 215, 232, 0.22);
    border-radius: 8px;
    background:
        linear-gradient(180deg, rgba(20, 36, 45, 0.96), rgba(9, 18, 23, 0.96));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 28px 80px rgba(0, 0, 0, 0.22);
}

.about-panel::before {
    content: "";
    position: absolute;
    top: 0;
    left: 34px;
    width: 72px;
    height: 3px;
    background: linear-gradient(90deg, var(--ice), var(--signal));
}

.about-panel h3 {
    margin-bottom: 22px;
}

.about-panel ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.about-panel li {
    position: relative;
    margin-bottom: 18px;
    padding-left: 26px;
    color: var(--muted);
    line-height: 1.55;
}

.about-panel li:last-child {
    margin-bottom: 0;
}

.about-panel li::before {
    content: "";
    position: absolute;
    top: 10px;
    left: 0;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--ice);
    box-shadow: 0 0 14px rgba(98, 215, 232, 0.7);
}

/* WHY */
.why {
    background:
        linear-gradient(180deg, rgba(238, 244, 245, 0.96), rgba(221, 232, 235, 0.96));
    color: #101820;
    text-align: center;
}

.why .section-label {
    color: #0f6f7d;
    border-color: rgba(15, 111, 125, 0.2);
    background: rgba(15, 111, 125, 0.08);
}

.why .section-label::before {
    background: var(--signal);
}

.why .section-sub {
    color: #52646d;
}

.why p {
    color: #52646d;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 42px;
}

.why-card {
    min-height: 260px;
    padding: 30px;
    border: 1px solid rgba(16, 24, 32, 0.08);
    border-radius: 8px;
    background:
        linear-gradient(180deg, #ffffff, #f7fafb);
    color: #101820;
    text-align: left;
    box-shadow: 0 22px 60px rgba(7, 16, 20, 0.08);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.why-card span {
    display: grid;
    place-items: center;
    width: 46px;
    height: 34px;
    margin-bottom: 20px;
    border: 1px solid rgba(15, 111, 125, 0.22);
    border-radius: 6px;
    color: #0f6f7d;
    background: rgba(98, 215, 232, 0.14);
    font-weight: 900;
    transition: transform 180ms ease, background 180ms ease;
}

.why-card:hover {
    transform: translateY(-6px);
    border-color: rgba(15, 111, 125, 0.28);
    box-shadow: 0 30px 70px rgba(7, 16, 20, 0.14);
}

.why-card:hover span {
    transform: translateX(4px);
    background: rgba(98, 215, 232, 0.24);
}

.why-card h3 {
    margin-bottom: 12px;
}

.why-card-featured {
    background:
        linear-gradient(135deg, rgba(7, 16, 20, 0.96), rgba(20, 36, 45, 0.96));
    color: var(--text);
}

.why-card-featured p {
    color: #b8c8cf;
}

.why-card-featured span {
    color: #071014;
    background: var(--ice);
}

.why-card-featured:hover {
    border-color: rgba(98, 215, 232, 0.42);
    box-shadow: 0 34px 80px rgba(7, 16, 20, 0.24);
}

/* FOOTER */
.footer {
    display: grid;
    grid-template-columns: 1.25fr repeat(3, minmax(180px, 1fr));
    gap: 30px;
    padding: 48px clamp(20px, 5vw, 64px);
    border-top: 1px solid rgba(98, 215, 232, 0.14);
    background: var(--dark);
}

.footer h3,
.footer h4 {
    margin-top: 0;
}

.footer p {
    margin: 8px 0;
}

.footer > div:first-child p {
    max-width: 360px;
}

.footer .btn {
    margin-top: 8px;
}

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

@media (max-width: 760px) {
    .navbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .navbar nav {
        justify-content: flex-start;
    }

    section {
        padding: 72px 20px;
    }

    .hero {
        min-height: auto;
        padding-top: 110px;
        background:
            linear-gradient(180deg, rgba(5, 9, 12, 0.74) 0%, rgba(5, 9, 12, 0.95) 55%, var(--ink) 100%),
            url("assets/hero-surface-cleaning.png") center top / cover no-repeat;
    }

    .hero-highlights {
        align-items: flex-start;
        flex-direction: column;
        margin-top: 38px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .why-grid {
        grid-template-columns: 1fr;
    }

    .footer {
        grid-template-columns: 1fr;
    }
}