@import url("https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700;800&display=swap");

:root {
    --site-font: "Open Sans", Arial, Helvetica, sans-serif;
    --green-950: #032919;
    --green-900: #063a24;
    --green-800: #075232;
    --gold-600: #c48a2c;
    --gold-500: #d9a64d;
    --black: #101010;
    --ink: #1d2421;
    --muted: #65706b;
    --grey-700: #47524e;
    --grey-200: #d9ded9;
    --grey-100: #edf0ed;
    --offwhite: #f7f1e7;
    --paper: #fffaf1;
    --white: #ffffff;
    --shadow-soft: 0 20px 50px rgba(16, 16, 16, 0.09);
    --shadow-strong: 0 28px 80px rgba(0, 0, 0, 0.25);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: var(--site-font);
    line-height: 1.55;
}

body.nav-open {
    overflow: hidden;
}

body.modal-open {
    overflow: hidden;
}

a {
    color: inherit;
}

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

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

h1 {
    max-width: 820px;
    margin-bottom: 24px;
    color: var(--white);
    font-size: 64px;
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.02em;
}

h2 {
    margin-bottom: 18px;
    color: var(--black);
    font-size: 42px;
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.01em;
}

h3 {
    margin-bottom: 12px;
    color: var(--black);
    font-size: 21px;
    font-weight: 600;
    line-height: 1.24;
}

button,
input,
select,
textarea {
    font-family: inherit;
}

p {
    margin-bottom: 0;
}

.section-shell {
    width: min(1180px, calc(100% - 64px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 118px;
    padding: 14px 38px;
    border-bottom: 1px solid rgba(217, 222, 217, 0.9);
    background: rgba(255, 250, 241, 0.96);
    box-shadow: 0 16px 38px rgba(16, 16, 16, 0.07);
    backdrop-filter: blur(16px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 18px;
    min-width: 360px;
    color: var(--black);
    text-decoration: none;
}

.brand-logo {
    max-width: 120px;
    width: 120px;
    height: auto;
    object-fit: contain;
}

.brand-copy {
    display: grid;
    gap: 2px;
}

.brand-copy strong {
    font-size: 16px;
    font-weight: 900;
    line-height: 1.05;
}

.brand-copy small {
    max-width: 280px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 800;
    line-height: 1.28;
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 24px;
    color: var(--ink);
    font-size: 14px;
    font-weight: 900;
}

.site-nav a {
    text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus {
    color: var(--green-800);
}

.nav-login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 7px;
    color: var(--white);
    background: var(--green-800);
    box-shadow: 0 10px 22px rgba(7, 82, 50, 0.18);
}

.site-nav .nav-login:hover,
.site-nav .nav-login:focus {
    color: var(--white);
    background: var(--green-950);
}

.nav-toggle {
    display: none;
    width: 46px;
    height: 46px;
    padding: 10px;
    border: 1px solid var(--grey-200);
    border-radius: 7px;
    background: var(--white);
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    margin: 5px 0;
    background: var(--black);
}

.hero-section {
    position: relative;
    overflow: hidden;
    padding: 96px 0 108px;
    color: var(--white);
    background:
        linear-gradient(110deg, rgba(3, 41, 25, 0.98) 0%, rgba(3, 41, 25, 0.94) 45%, rgba(16, 16, 16, 0.86) 100%),
        linear-gradient(135deg, #0f3f2a 0%, #101010 100%);
}

.hero-section::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 8px;
    content: "";
    background: linear-gradient(90deg, var(--gold-600), var(--gold-500), var(--green-800));
}

.hero-backdrop {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-backdrop span {
    position: absolute;
    display: block;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.035);
}

.hero-backdrop span:nth-child(1) {
    top: 42px;
    right: 12%;
    width: 280px;
    height: 280px;
    transform: rotate(45deg);
}

.hero-backdrop span:nth-child(2) {
    right: -70px;
    bottom: 120px;
    width: 340px;
    height: 220px;
    transform: skewX(-16deg);
}

.hero-backdrop span:nth-child(3) {
    bottom: -120px;
    left: 8%;
    width: 380px;
    height: 380px;
    border-color: rgba(196, 138, 44, 0.16);
    transform: rotate(25deg);
}

.hero-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.06fr) minmax(390px, 0.94fr);
    align-items: center;
    gap: 56px;
}

.section-kicker {
    margin-bottom: 14px;
    color: var(--gold-500);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0;
    text-transform: uppercase;
}

.hero-subheadline {
    max-width: 760px;
    margin-bottom: 32px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 20px;
}

.hero-actions,
.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: 7px;
    font-size: 15px;
    font-weight: 900;
    line-height: 1;
    text-decoration: none;
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button:hover,
.button:focus {
    transform: translateY(-1px);
}

.button-gold {
    color: var(--black);
    background: var(--gold-500);
}

.button-gold:hover,
.button-gold:focus {
    background: #e4b96b;
}

.button-ghost {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.38);
    background: rgba(255, 255, 255, 0.08);
}

.button-ghost:hover,
.button-ghost:focus {
    border-color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.14);
}

.button-dark {
    color: var(--white);
    background: var(--black);
}

.button-light {
    color: var(--green-950);
    background: var(--white);
}

.button-outline {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.52);
}

.trust-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    max-width: 820px;
    margin-top: 44px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.16);
}

.trust-strip span {
    display: flex;
    align-items: center;
    min-height: 78px;
    padding: 18px;
    color: rgba(255, 255, 255, 0.88);
    background: rgba(3, 41, 25, 0.76);
    font-size: 14px;
    font-weight: 900;
}

.hero-visual {
    display: grid;
    gap: 16px;
}

.hero-slider {
    position: relative;
    overflow: hidden;
    min-height: 360px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 10px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03)),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0, rgba(255, 255, 255, 0.04) 1px, transparent 1px, transparent 46px),
        rgba(16, 16, 16, 0.45);
    box-shadow: var(--shadow-strong);
}

.hero-slider-track {
    position: relative;
    min-height: 360px;
}

.hero-slide {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-rows: minmax(190px, 1fr) auto;
    opacity: 0;
    transform: translateX(18px);
    transition: opacity 320ms ease, transform 320ms ease;
}

.hero-slide.is-active {
    opacity: 1;
    transform: translateX(0);
}

.slide-visual {
    position: relative;
    min-height: 210px;
}

.slide-copy {
    padding: 0 28px 28px;
}

.slide-copy span {
    display: inline-flex;
    margin-bottom: 8px;
    color: var(--gold-500);
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
}

.slide-copy h2 {
    max-width: 460px;
    margin-bottom: 10px;
    color: var(--white);
    font-size: 25px;
    line-height: 1.16;
}

.slide-copy p {
    max-width: 470px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 15px;
}

.hero-slider-controls {
    position: absolute;
    right: 24px;
    bottom: 24px;
    display: flex;
    gap: 8px;
}

.hero-slider-controls button {
    width: 28px;
    height: 8px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.34);
    cursor: pointer;
}

.hero-slider-controls button.is-active {
    width: 44px;
    background: var(--gold-500);
}

.visual-card-logo {
    display: grid;
    min-height: 210px;
    place-items: center;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    background: rgba(247, 241, 231, 0.97);
    box-shadow: var(--shadow-strong);
}

.visual-card-logo img {
    max-width: 220px;
    width: 220px;
    height: auto;
    object-fit: contain;
}

.roof-unit {
    position: absolute;
    top: 42px;
    left: 38px;
    width: 150px;
    height: 88px;
    border: 2px solid rgba(255, 255, 255, 0.22);
    border-radius: 8px;
    background: linear-gradient(135deg, #6d7771, #2d3632);
}

.roof-unit span {
    position: absolute;
    top: 20px;
    width: 36px;
    height: 36px;
    border: 5px solid rgba(255, 255, 255, 0.55);
    border-radius: 50%;
}

.roof-unit span:nth-child(1) {
    left: 18px;
}

.roof-unit span:nth-child(2) {
    left: 58px;
}

.roof-unit span:nth-child(3) {
    right: 18px;
}

.duct {
    position: absolute;
    height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: linear-gradient(180deg, #b4b8b4, #6a716c);
}

.duct-primary {
    top: 70px;
    right: 28px;
    width: 220px;
    transform: skewX(-16deg);
}

.duct-secondary {
    top: 130px;
    left: 110px;
    width: 250px;
    transform: skewX(20deg);
}

.control-board {
    position: absolute;
    right: 42px;
    bottom: 36px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    width: 120px;
    height: 100px;
    padding: 18px;
    border: 2px solid rgba(217, 166, 77, 0.45);
    border-radius: 8px;
    background: rgba(3, 41, 25, 0.78);
}

.control-board span {
    border-radius: 50%;
    background: var(--gold-500);
}

.pipe {
    position: absolute;
    width: 8px;
    border-radius: 999px;
    background: var(--gold-600);
}

.pipe-one {
    right: 196px;
    bottom: 38px;
    height: 132px;
}

.pipe-two {
    right: 216px;
    bottom: 38px;
    height: 94px;
    background: rgba(255, 255, 255, 0.58);
}

.visual-note {
    display: grid;
    gap: 4px;
    padding: 18px 20px;
    border-left: 5px solid var(--gold-500);
    border-radius: 7px;
    color: var(--white);
    background: rgba(16, 16, 16, 0.42);
}

.visual-note strong {
    font-size: 18px;
}

.visual-note span {
    color: rgba(255, 255, 255, 0.74);
}

.section {
    padding: 92px 0;
}

.section-heading {
    max-width: 820px;
    margin-bottom: 42px;
}

.section-heading p:not(.section-kicker) {
    color: var(--muted);
    font-size: 18px;
}

.split-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
    gap: 42px;
    max-width: none;
    align-items: end;
}

.center-heading {
    max-width: 860px;
    margin-right: auto;
    margin-left: auto;
    text-align: center;
}

.promise-section {
    background: var(--white);
}

.promise-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    border: 1px solid var(--grey-200);
    background: var(--grey-200);
}

.promise-card {
    min-height: 265px;
    padding: 30px;
    background: var(--paper);
}

.promise-card span {
    display: inline-flex;
    margin-bottom: 30px;
    color: var(--gold-600);
    font-size: 13px;
    font-weight: 900;
}

.promise-card p,
.service-card p {
    color: var(--muted);
}

.services-section {
    background: var(--offwhite);
}

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

.service-card {
    position: relative;
    overflow: hidden;
    min-height: 278px;
    padding: 28px;
    border: 1px solid rgba(7, 82, 50, 0.12);
    border-radius: 10px;
    background: var(--white);
    box-shadow: var(--shadow-soft);
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.service-card::after {
    position: absolute;
    right: -48px;
    bottom: -54px;
    width: 122px;
    height: 122px;
    border: 22px solid rgba(196, 138, 44, 0.12);
    border-radius: 50%;
    content: "";
}

.service-card:hover,
.service-card:focus-within {
    border-color: rgba(196, 138, 44, 0.55);
    box-shadow: 0 24px 60px rgba(16, 16, 16, 0.13);
    transform: translateY(-4px);
}

.service-icon {
    display: inline-grid;
    width: 54px;
    height: 54px;
    margin-bottom: 26px;
    place-items: center;
    border-radius: 9px;
    color: var(--white);
    background:
        linear-gradient(135deg, var(--green-800), var(--green-950));
    font-size: 13px;
    font-weight: 900;
}

.industrial-band {
    position: relative;
    overflow: hidden;
    padding: 86px 0;
    color: var(--white);
    background:
        linear-gradient(100deg, rgba(16, 16, 16, 0.96), rgba(7, 82, 50, 0.88)),
        repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.06) 0, rgba(255, 255, 255, 0.06) 1px, transparent 1px, transparent 28px);
}

.industrial-band::before {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 9%;
    width: 180px;
    content: "";
    transform: skewX(-20deg);
    background: rgba(196, 138, 44, 0.13);
}

.industrial-layout {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(380px, 1.05fr);
    gap: 48px;
    align-items: center;
}

.industrial-band h2 {
    color: var(--white);
}

.industrial-band p:not(.section-kicker) {
    max-width: 680px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 18px;
}

.systems-board {
    display: grid;
    gap: 12px;
}

.systems-board div {
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: 60px;
    padding: 16px 18px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.08);
    font-weight: 900;
}

.systems-board span {
    width: 13px;
    height: 13px;
    border: 3px solid var(--gold-500);
    border-radius: 50%;
}

.markets-section {
    background: var(--white);
}

.markets-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(390px, 1.08fr);
    gap: 54px;
    align-items: start;
}

.market-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.market-grid span {
    display: flex;
    align-items: center;
    min-height: 76px;
    padding: 18px 20px;
    border: 1px solid var(--grey-200);
    border-radius: 9px;
    background:
        linear-gradient(90deg, rgba(7, 82, 50, 0.07), transparent),
        var(--paper);
    color: var(--ink);
    font-weight: 900;
}

.why-section {
    background:
        linear-gradient(180deg, var(--offwhite), var(--paper));
}

.why-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1.18fr);
    gap: 54px;
    align-items: start;
}

.why-panel {
    position: sticky;
    top: 118px;
    padding: 36px;
    border: 1px solid rgba(7, 82, 50, 0.12);
    border-radius: 10px;
    background: var(--white);
    box-shadow: var(--shadow-soft);
}

.why-panel p:not(.section-kicker) {
    color: var(--muted);
    font-size: 18px;
}

.why-list {
    display: grid;
    gap: 14px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.why-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 22px;
    border: 1px solid var(--grey-200);
    border-radius: 9px;
    background: var(--white);
    color: var(--ink);
    font-weight: 800;
    box-shadow: 0 12px 28px rgba(16, 16, 16, 0.04);
}

.why-list span {
    flex: 0 0 auto;
    width: 10px;
    height: 10px;
    margin-top: 8px;
    background: var(--gold-600);
}

.contact-cta {
    padding: 72px 0;
    color: var(--white);
    background:
        linear-gradient(100deg, var(--green-950), var(--green-800));
}

.contact-cta-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 32px;
    align-items: center;
}

.contact-cta h2 {
    max-width: 740px;
    color: var(--white);
}

.contact-cta p:not(.section-kicker) {
    max-width: 680px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 18px;
}

.site-footer {
    padding: 58px 0 28px;
    color: rgba(255, 255, 255, 0.76);
    background: var(--black);
}

.footer-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(220px, 0.8fr) minmax(240px, 0.7fr);
    gap: 40px;
    padding-bottom: 38px;
}

.footer-company {
    display: flex;
    gap: 18px;
    align-items: center;
}

.footer-company img {
    max-width: 140px;
    width: 140px;
    height: auto;
    object-fit: contain;
    border-radius: 9px;
    background: var(--offwhite);
}

@media (max-width: 768px) {
    .brand-logo {
        max-width: 80px;
        width: 80px;
    }

    .visual-card-logo img {
        max-width: 140px;
        width: 140px;
    }

    .footer-company img {
        max-width: 96px;
        width: 96px;
    }

    .page-hero-card img {
        max-width: 96px;
        width: 96px;
    }
}

.footer-company strong {
    display: block;
    max-width: 520px;
    color: var(--white);
    font-size: 20px;
    line-height: 1.24;
}

.footer-company span {
    display: block;
    margin-top: 8px;
    color: var(--gold-500);
    font-weight: 900;
}

.footer-company p {
    margin-top: 8px;
}

.site-footer h2 {
    margin-bottom: 14px;
    color: var(--white);
    font-size: 17px;
}

.site-footer p,
.site-footer a {
    margin-bottom: 8px;
}

.site-footer a {
    display: block;
    width: fit-content;
    color: rgba(255, 255, 255, 0.84);
    text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus {
    color: var(--gold-500);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 14px;
}

.page-hero {
    position: relative;
    overflow: hidden;
    padding: 92px 0;
    color: var(--white);
    background:
        linear-gradient(110deg, rgba(3, 41, 25, 0.98), rgba(16, 16, 16, 0.86)),
        repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0, rgba(255, 255, 255, 0.05) 1px, transparent 1px, transparent 30px);
}

.page-hero::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 7px;
    content: "";
    background: linear-gradient(90deg, var(--gold-600), var(--gold-500), var(--green-800));
}

.page-hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.42fr);
    gap: 52px;
    align-items: center;
}

.page-hero h1 {
    max-width: 840px;
    font-size: 56px;
}

.page-hero p:not(.section-kicker) {
    max-width: 760px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 19px;
}

.page-hero-card {
    display: grid;
    gap: 10px;
    min-height: 260px;
    align-content: center;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-strong);
}

.page-hero-card img {
    max-width: 140px;
    width: 140px;
    height: auto;
    object-fit: contain;
    padding: 12px;
    border-radius: 9px;
    background: var(--offwhite);
}

.page-hero-card strong {
    color: var(--white);
    font-size: 34px;
    line-height: 1.05;
}

.page-hero-card span {
    color: var(--gold-500);
    font-weight: 900;
}

.page-hero-card p {
    color: rgba(255, 255, 255, 0.72);
}

.stat-card strong {
    color: var(--gold-500);
    font-size: 78px;
}

.page-content-section {
    background: var(--paper);
}

.content-grid,
.contact-grid,
.supplier-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(330px, 0.75fr);
    gap: 24px;
}

.content-panel {
    padding: 34px;
    border: 1px solid var(--grey-200);
    border-radius: 10px;
    background: var(--white);
    box-shadow: var(--shadow-soft);
}

.content-panel h2 {
    max-width: 760px;
}

.content-panel p:not(.section-kicker) {
    color: var(--muted);
    font-size: 17px;
}

.content-panel p + p {
    margin-top: 16px;
}

.dark-panel {
    color: var(--white);
    background:
        linear-gradient(135deg, var(--green-950), var(--black));
}

.dark-panel h2 {
    color: var(--white);
}

.dark-panel p:not(.section-kicker) {
    color: rgba(255, 255, 255, 0.76);
}

.values-section {
    background: var(--white);
}

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

.value-card,
.market-detail-card {
    min-height: 210px;
    padding: 28px;
    border: 1px solid var(--grey-200);
    border-radius: 10px;
    background: var(--paper);
}

.value-card p,
.market-detail-card p {
    color: var(--muted);
}

.market-detail-card span {
    display: inline-flex;
    margin-bottom: 24px;
    color: var(--gold-600);
    font-size: 13px;
    font-weight: 900;
}

.service-detail-list {
    display: grid;
    gap: 18px;
}

.service-detail-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
    gap: 28px;
    padding: 30px;
    border: 1px solid var(--grey-200);
    border-radius: 10px;
    background: var(--white);
    box-shadow: var(--shadow-soft);
}

.service-detail-card p:not(.section-kicker),
.service-scope p {
    color: var(--muted);
}

.service-scope {
    padding: 24px;
    border-radius: 9px;
    background: var(--offwhite);
}

.service-scope h3 {
    margin-bottom: 6px;
    font-size: 16px;
}

.service-scope p + h3 {
    margin-top: 18px;
}

.contact-list {
    display: grid;
    gap: 1px;
    margin: 24px 0 0;
    background: var(--grey-200);
    border: 1px solid var(--grey-200);
}

.contact-list div {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 18px;
    padding: 16px;
    background: var(--paper);
}

.contact-list dt {
    color: var(--green-800);
    font-weight: 900;
}

.contact-list dd {
    margin: 0;
    color: var(--ink);
    font-weight: 800;
}

.contact-list a {
    color: var(--green-800);
    text-decoration: none;
}

.form-placeholder .button,
.dark-panel .button,
.inline-actions {
    margin-top: 24px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 28px;
}

.category-grid span {
    display: flex;
    align-items: center;
    min-height: 56px;
    padding: 14px 16px;
    border: 1px solid var(--grey-200);
    border-radius: 8px;
    background: var(--paper);
    font-weight: 900;
}

.inline-actions,
.modal-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button-muted {
    color: var(--ink);
    background: var(--grey-100);
}

.prequalification-modal {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(16, 16, 16, 0.68);
}

.prequalification-modal.is-open {
    display: flex;
}

.prequalification-dialog {
    position: relative;
    width: min(560px, 100%);
    padding: 34px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 10px;
    background: var(--paper);
    box-shadow: var(--shadow-strong);
}

.prequalification-dialog h2 {
    padding-right: 32px;
    font-size: 30px;
}

.prequalification-dialog p:not(.section-kicker) {
    color: var(--muted);
    font-size: 17px;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--grey-200);
    border-radius: 7px;
    color: var(--black);
    background: var(--white);
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
}

.modal-actions {
    margin-top: 26px;
}

@media (max-width: 1100px) {
    .site-header {
        padding-right: 24px;
        padding-left: 24px;
    }

    .site-nav {
        gap: 16px;
    }

    .hero-layout,
    .industrial-layout,
    .markets-layout,
    .why-layout,
    .contact-cta-layout,
    .split-heading,
    .page-hero-grid,
    .content-grid,
    .contact-grid,
    .supplier-layout,
    .service-detail-card {
        grid-template-columns: 1fr;
    }

    .hero-layout {
        align-items: start;
    }

    .services-grid,
    .promise-grid,
    .value-grid,
    .market-detail-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .why-panel {
        position: static;
    }

    .cta-actions {
        justify-content: flex-start;
    }
}

@media (max-width: 840px) {
    h1 {
        font-size: 42px;
    }

    .page-hero h1 {
        font-size: 40px;
    }

    h2 {
        font-size: 32px;
    }

    .section-shell {
        width: min(100% - 40px, 1180px);
    }

    .site-header {
        min-height: 76px;
    }

    .brand {
        min-width: 0;
    }

    .brand-logo {
        max-width: 40px;
        width: 40px;
        height: auto;
    }

    .brand-copy strong {
        font-size: 14px;
    }

    .brand-copy small {
        display: none;
    }

    .nav-toggle {
        display: block;
    }

    .site-nav {
        position: fixed;
        top: 76px;
        right: 0;
        left: 0;
        display: none;
        align-items: stretch;
        flex-direction: column;
        gap: 0;
        padding: 12px 20px 24px;
        border-bottom: 1px solid var(--grey-200);
        background: var(--paper);
        box-shadow: 0 28px 42px rgba(16, 16, 16, 0.16);
    }

    body.nav-open .site-nav {
        display: flex;
    }

    .site-nav a {
        padding: 14px 0;
        border-bottom: 1px solid rgba(217, 222, 217, 0.86);
    }

    .site-nav .nav-login {
        margin-top: 14px;
        padding: 0 18px;
        border-bottom: 0;
    }

    .hero-section {
        padding: 58px 0 74px;
    }

    .hero-subheadline,
    .industrial-band p:not(.section-kicker),
    .contact-cta p:not(.section-kicker),
    .section-heading p:not(.section-kicker),
    .why-panel p:not(.section-kicker) {
        font-size: 17px;
    }

    .trust-strip,
    .market-grid {
        grid-template-columns: 1fr;
    }

    .trust-strip span {
        min-height: 58px;
    }

    .visual-card-logo,
    .hero-slider,
    .hero-slider-track {
        min-height: 230px;
    }

    .hero-slider,
    .hero-slider-track {
        min-height: 380px;
    }

    .roof-unit {
        left: 24px;
    }

    .duct-primary {
        right: 18px;
        width: 180px;
    }

    .duct-secondary {
        left: 70px;
        width: 210px;
    }

    .section {
        padding: 66px 0;
    }

    .promise-grid,
    .services-grid,
    .footer-layout,
    .value-grid,
    .market-detail-grid,
    .category-grid {
        grid-template-columns: 1fr;
    }

    .contact-list div {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .footer-company {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-bottom {
        flex-direction: column;
    }
}

@media (max-width: 540px) {
    .site-header {
        padding-right: 18px;
        padding-left: 18px;
    }

    h1 {
        font-size: 35px;
    }

    .page-hero h1 {
        font-size: 34px;
    }

    h2 {
        font-size: 28px;
    }

    .hero-actions,
    .cta-actions {
        display: grid;
        grid-template-columns: 1fr;
        width: 100%;
    }

    .button {
        width: 100%;
    }

    .inline-actions,
    .modal-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .visual-card-logo {
        padding: 22px;
    }

    .visual-card-logo img {
        max-width: 72px;
        width: 72px;
        height: auto;
    }

    .hero-slider,
    .hero-slider-track {
        min-height: 410px;
    }

    .control-board {
        right: 24px;
        width: 102px;
    }

    .pipe-one {
        right: 160px;
    }

    .pipe-two {
        right: 178px;
    }

    .why-panel,
    .promise-card,
    .service-card,
    .content-panel,
    .service-detail-card,
    .prequalification-dialog {
        padding: 24px;
    }
}