/* =========================================================
   AIRWISE HVAC — HVAC-Service.css
   Responsive design for desktop, tablet and mobile
   ========================================================= */

/* ---------- 1. VARIABLES & RESET ---------- */

:root {
    --color-navy: #123b52;
    --color-navy-dark: #092737;
    --color-teal: #20b8ad;
    --color-teal-dark: #159b93;
    --color-background: #f4f7f8;
    --color-white: #ffffff;
    --color-text: #183847;
    --color-muted: #6d818b;
    --color-border: #e0e9ec;
    --color-soft-teal: #e6f7f5;

    --container-width: 1200px;
    --header-height: 84px;

    --radius-small: 12px;
    --radius-medium: 20px;
    --radius-large: 30px;
    --radius-pill: 999px;

    --shadow-card: 0 12px 35px rgba(18, 59, 82, 0.07);
    --shadow-hover: 0 20px 45px rgba(18, 59, 82, 0.13);

    --transition: 0.25s ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    min-width: 320px;
    background: var(--color-background);
    color: var(--color-text);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body,
button,
a {
    -webkit-tap-highlight-color: transparent;
}

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

button {
    cursor: pointer;
}

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

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

ul {
    list-style: none;
}

h1,
h2,
h3,
h4 {
    color: var(--color-navy-dark);
    line-height: 1.15;
    letter-spacing: -0.035em;
}

p {
    color: var(--color-muted);
}

::selection {
    color: var(--color-white);
    background: var(--color-teal-dark);
}

:focus-visible {
    outline: 3px solid var(--color-teal);
    outline-offset: 4px;
}

.container {
    width: min(var(--container-width), calc(100% - 48px));
    margin-inline: auto;
}


/* ---------- 2. TOP LINE ---------- */

.topline {
    min-height: 8px;
    background: var(--color-navy-dark);
}

.topline-inner {
    width: min(var(--container-width), calc(100% - 48px));
    min-height: 8px;
    margin-inline: auto;
}


/* ---------- 3. HEADER & NAVIGATION ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(18, 59, 82, 0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.nav-wrap {
    position: relative;
    width: min(var(--container-width), calc(100% - 48px));
    min-height: var(--header-height);
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.brand {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    gap: 11px;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    color: var(--color-white);
    background: var(--color-navy);
    border-radius: 14px;
    font-size: 25px;
    font-weight: 800;
    line-height: 1;
    box-shadow: 0 6px 15px rgba(18, 59, 82, 0.15);
}

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand-copy strong {
    color: var(--color-navy-dark);
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.09em;
}

.brand-copy small {
    margin-top: 5px;
    color: var(--color-muted);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.19em;
}

.primary-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 24px;
}

.primary-nav > a:not(.nav-cta) {
    position: relative;
    padding-block: 10px;
    color: #506875;
    font-size: 13px;
    font-weight: 700;
    transition: color var(--transition);
}

.primary-nav > a:not(.nav-cta)::after {
    position: absolute;
    right: 0;
    bottom: 3px;
    left: 0;
    height: 2px;
    background: var(--color-teal);
    content: "";
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.primary-nav > a:not(.nav-cta):hover {
    color: var(--color-navy-dark);
}

.primary-nav > a:not(.nav-cta):hover::after {
    transform: scaleX(1);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 19px;
    color: var(--color-white);
    background: var(--color-navy);
    border: 1px solid var(--color-navy);
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
    transition:
        background var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

.nav-cta:hover {
    background: var(--color-teal-dark);
    border-color: var(--color-teal-dark);
    transform: translateY(-2px);
}

/* Dropdown */

.nav-dropdown {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-drop-button {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 0;
    color: #506875;
    background: transparent;
    border: 0;
    font-size: 13px;
    font-weight: 700;
    transition: color var(--transition);
}

.nav-drop-button:hover {
    color: var(--color-teal-dark);
}

.nav-drop-button > span:last-child {
    display: inline-block;
    transition: transform var(--transition);
}

.nav-dropdown:hover .nav-drop-button > span:last-child,
.nav-dropdown:focus-within .nav-drop-button > span:last-child {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: -18px;
    z-index: 20;
    display: flex;
    flex-direction: column;
    gap: 3px;
    width: 220px;
    padding: 10px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    box-shadow: var(--shadow-hover);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition:
        opacity var(--transition),
        visibility var(--transition),
        transform var(--transition);
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    padding: 11px 12px;
    color: var(--color-text);
    border-radius: 9px;
    font-size: 12px;
    font-weight: 600;
    transition:
        color var(--transition),
        background var(--transition);
}

.dropdown-menu a:hover {
    color: var(--color-teal-dark);
    background: var(--color-soft-teal);
}

/* Language buttons */

.language-switch {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 4px;
    background: #edf2f4;
    border-radius: var(--radius-pill);
}

.lang-btn {
    min-width: 32px;
    min-height: 29px;
    padding: 4px 7px;
    color: var(--color-muted);
    background: transparent;
    border: 0;
    border-radius: var(--radius-pill);
    font-size: 10px;
    font-weight: 800;
    transition:
        color var(--transition),
        background var(--transition);
}

.lang-btn.active {
    color: var(--color-white);
    background: var(--color-navy);
}

.menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 43px;
    height: 43px;
    color: var(--color-navy);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    font-size: 23px;
}


/* ---------- 4. SHARED SECTION STYLES ---------- */

.section {
    padding: 108px 0;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 19px;
    color: var(--color-teal-dark);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.17em;
    line-height: 1.5;
}

.eyebrow-dot {
    width: 8px;
    height: 8px;
    flex: 0 0 8px;
    background: var(--color-teal);
    border-radius: 50%;
    box-shadow: 0 0 0 5px rgba(32, 184, 173, 0.12);
}

.section h2,
.feature-copy h2,
.cta-inner h2 {
    font-size: clamp(30px, 3.6vw, 47px);
    font-weight: 750;
    line-height: 1.12;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 52px;
    padding: 0 23px;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 700;
    text-align: center;
    transition:
        color var(--transition),
        background var(--transition),
        border-color var(--transition),
        box-shadow var(--transition),
        transform var(--transition);
}

.button:hover {
    transform: translateY(-3px);
}

.button-dark {
    color: var(--color-white);
    background: var(--color-navy);
    box-shadow: 0 8px 20px rgba(9, 39, 55, 0.12);
}

.button-dark:hover {
    background: var(--color-teal-dark);
    box-shadow: 0 12px 24px rgba(21, 155, 147, 0.2);
}

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

.button-light:hover {
    color: var(--color-white);
    background: var(--color-teal-dark);
}


/* ---------- 5. HERO ---------- */

.hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: 76px 0 35px;
    background:
        radial-gradient(ellipse at 90% 15%, rgba(32, 184, 173, 0.11), transparent 33%),
        linear-gradient(145deg, #f8fbfc 0%, #f0f6f7 100%);
}

.hero-orb {
    position: absolute;
    z-index: -1;
    pointer-events: none;
    border: 1px solid rgba(32, 184, 173, 0.15);
    border-radius: 50%;
}

.orb-one {
    top: -190px;
    right: -140px;
    width: 480px;
    height: 480px;
}

.orb-two {
    top: -115px;
    right: -65px;
    width: 330px;
    height: 330px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: center;
    gap: clamp(38px, 6vw, 82px);
    width: min(var(--container-width), calc(100% - 48px));
    margin-inline: auto;
}

.hero-copy {
    min-width: 0;
    padding: 22px 0 35px;
}

.hero-copy h1 {
    max-width: 610px;
    margin-bottom: 24px;
    font-size: clamp(43px, 5.1vw, 67px);
    font-weight: 800;
    letter-spacing: -0.06em;
    line-height: 1.035;
}

.hero-lede {
    max-width: 480px;
    margin-bottom: 30px;
    font-size: 16px;
    line-height: 1.85;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--color-navy);
    font-size: 12px;
    font-weight: 700;
    transition: color var(--transition);
}

.text-link:hover {
    color: var(--color-teal-dark);
}

.play-icon {
    display: grid;
    place-items: center;
    width: 29px;
    height: 29px;
    color: var(--color-teal-dark);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    transition:
        color var(--transition),
        background var(--transition),
        transform var(--transition);
}

.text-link:hover .play-icon {
    color: var(--color-white);
    background: var(--color-teal-dark);
    transform: translateX(3px);
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 40px;
}

.avatar-stack {
    display: flex;
    align-items: center;
    padding-left: 2px;
}

.avatar-stack span {
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    margin-left: -3px;
    color: var(--color-white);
    background: var(--color-teal-dark);
    border: 3px solid #f5f9fa;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 800;
}

.avatar-stack span:nth-child(2) {
    background: var(--color-navy);
}

.avatar-stack span:nth-child(3) {
    color: var(--color-navy);
    background: #c5eee8;
}

.hero-trust strong {
    display: block;
    color: var(--color-navy);
    font-size: 12px;
    line-height: 1.5;
}

.hero-trust p {
    margin-top: 3px;
    font-size: 11px;
    line-height: 1.5;
}


/* ---------- 6. HERO ILLUSTRATION ---------- */

.hero-visual {
    position: relative;
    isolation: isolate;
    min-width: 0;
    min-height: 455px;
    overflow: hidden;
    background: linear-gradient(150deg, #d9f2ee 0%, #edf6ee 55%, #d4e8e2 100%);
    border: 1px solid rgba(18, 59, 82, 0.07);
    border-radius: 30px;
    box-shadow: 0 25px 70px rgba(18, 59, 82, 0.12);
}

.hero-visual::before {
    position: absolute;
    z-index: -1;
    right: -55px;
    bottom: -105px;
    left: -55px;
    height: 240px;
    background: #c3dfd3;
    border-radius: 50% 50% 0 0;
    content: "";
}

.visual-top {
    position: absolute;
    z-index: 5;
    top: 24px;
    right: 24px;
    left: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.visual-kicker {
    color: var(--color-navy);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.15em;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 11px;
    color: var(--color-navy);
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-pill);
    font-size: 9px;
    font-weight: 700;
}

.status-pill > span:first-child {
    width: 6px;
    height: 6px;
    flex: 0 0 6px;
    background: var(--color-teal-dark);
    border-radius: 50%;
}

.sun-disc {
    position: absolute;
    top: 96px;
    right: 14%;
    width: 86px;
    height: 86px;
    background: #f8d99b;
    border-radius: 50%;
    box-shadow: 0 0 0 18px rgba(248, 217, 155, 0.16);
}

.cloud {
    position: absolute;
    z-index: 1;
    width: 80px;
    height: 24px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 30px;
}

.cloud::before,
.cloud::after {
    position: absolute;
    bottom: 5px;
    background: inherit;
    border-radius: 50%;
    content: "";
}

.cloud::before {
    left: 15px;
    width: 34px;
    height: 34px;
}

.cloud::after {
    right: 12px;
    width: 25px;
    height: 25px;
}

.cloud-a {
    top: 145px;
    left: 10%;
    transform: scale(0.8);
}

.cloud-b {
    top: 190px;
    right: 7%;
    transform: scale(0.65);
}

.house-art {
    position: absolute;
    z-index: 3;
    right: 15%;
    bottom: 75px;
    left: 15%;
    height: 230px;
}

.roof {
    position: absolute;
    z-index: 2;
    top: 8px;
    right: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: #315b6c;
    clip-path: polygon(50% 0, 100% 70%, 95% 78%, 50% 18%, 5% 78%, 0 70%);
}

.house-body {
    position: absolute;
    top: 72px;
    right: 9%;
    bottom: 0;
    left: 9%;
    background: #fffdf4;
    border-radius: 4px 4px 0 0;
    box-shadow: 0 13px 22px rgba(18, 59, 82, 0.1);
}

.window {
    position: absolute;
    top: 38px;
    width: 43px;
    height: 44px;
    background: #a6d9dc;
    border: 5px solid #d6e7df;
    box-shadow: inset 0 0 0 1px rgba(18, 59, 82, 0.1);
}

.window::after {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: #fffdf4;
    content: "";
}

.window-a {
    left: 12%;
}

.window-b {
    right: 12%;
}

.door {
    position: absolute;
    right: calc(50% - 23px);
    bottom: 0;
    width: 46px;
    height: 82px;
    background: #b6d9ce;
    border: 4px solid #d6e7df;
    border-bottom: 0;
    border-radius: 5px 5px 0 0;
}

.door::after {
    position: absolute;
    top: 42px;
    right: 6px;
    width: 4px;
    height: 4px;
    background: var(--color-navy);
    border-radius: 50%;
    content: "";
}

.porch {
    position: absolute;
    right: 0;
    bottom: -7px;
    left: 0;
    height: 9px;
    background: #6c9e8d;
    border-radius: 3px;
}

.tree {
    position: absolute;
    z-index: 4;
    bottom: 72px;
    width: 53px;
    height: 112px;
}

.tree::before {
    position: absolute;
    top: 0;
    left: 50%;
    width: 43px;
    height: 63px;
    background: #3b8b76;
    border-radius: 50% 50% 45% 45%;
    content: "";
    transform: translateX(-50%);
}

.tree::after {
    position: absolute;
    bottom: 0;
    left: calc(50% - 4px);
    width: 8px;
    height: 57px;
    background: #8c765b;
    border-radius: 3px;
    content: "";
}

.tree-a {
    left: 7%;
    transform: scale(0.82);
}

.tree-b {
    right: 6%;
    transform: scale(1.05);
}

.temp-card {
    position: absolute;
    z-index: 6;
    right: 18px;
    bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: calc(100% - 36px);
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(18, 59, 82, 0.06);
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(18, 59, 82, 0.12);
    backdrop-filter: blur(8px);
}

.temp-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    color: var(--color-teal-dark);
    background: var(--color-soft-teal);
    border-radius: 12px;
    font-size: 23px;
}

.temp-card > div:nth-child(2) {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.temp-card strong {
    color: var(--color-navy);
    font-size: 21px;
    line-height: 1.2;
}

.temp-card span:not(.temp-status) {
    color: var(--color-muted);
    font-size: 9px;
    line-height: 1.5;
}

.temp-card .temp-status {
    margin-left: auto;
    color: var(--color-teal-dark);
    font-size: 10px;
}

.visual-caption {
    position: absolute;
    top: 70px;
    left: 24px;
    max-width: 160px;
    color: var(--color-navy);
    font-size: 11px;
    font-weight: 700;
}

.hero-bottom {
    display: flex;
    align-items: center;
    gap: 12px;
    width: min(var(--container-width), calc(100% - 48px));
    margin: 45px auto 0;
    color: #81949b;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.18em;
}

.scroll-line {
    display: inline-block;
    width: 35px;
    height: 1px;
    background: var(--color-teal);
}


/* ---------- 7. SERVICE STRIP ---------- */

.service-strip {
    position: relative;
    z-index: 2;
    background: var(--color-white);
    border-top: 1px solid rgba(18, 59, 82, 0.05);
    border-bottom: 1px solid var(--color-border);
}

.strip-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    width: min(var(--container-width), calc(100% - 48px));
    min-height: 92px;
    margin-inline: auto;
}

.strip-label {
    color: #82939b;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.strip-inner > span:not(.strip-label) {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: #4d6875;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.service-icon {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    color: var(--color-teal-dark);
    background: var(--color-soft-teal);
    border-radius: 10px;
    font-size: 15px;
}


/* ---------- 8. ABOUT SECTION ---------- */

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

.intro-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: clamp(40px, 7vw, 105px);
    width: min(var(--container-width), calc(100% - 48px));
    margin-inline: auto;
}

.intro-copy h2 {
    max-width: 540px;
}

.large-copy {
    margin-bottom: 27px;
    color: #607782;
    font-size: 17px;
    line-height: 1.9;
}

.underlined-link {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding-bottom: 7px;
    color: var(--color-navy);
    border-bottom: 1px solid var(--color-teal);
    font-size: 12px;
    font-weight: 800;
    transition: color var(--transition);
}

.underlined-link:hover {
    color: var(--color-teal-dark);
}

.underlined-link .arrow {
    color: var(--color-teal-dark);
    font-size: 17px;
    transition: transform var(--transition);
}

.underlined-link:hover .arrow {
    transform: translate(3px, -3px);
}


/* ---------- 9. SERVICES ---------- */

.services-section {
    background: #f4f8f9;
}

.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 35px;
    width: min(var(--container-width), calc(100% - 48px));
    margin: 0 auto 42px;
}

.section-heading h2 {
    max-width: 620px;
}

.section-heading > p {
    max-width: 320px;
    padding-bottom: 5px;
    font-size: 13px;
    line-height: 1.8;
}

.service-cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    width: min(var(--container-width), calc(100% - 48px));
    margin-inline: auto;
}

.service-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: 22px 20px 21px;
    background: var(--color-white);
    border: 1px solid #e5edef;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(18, 59, 82, 0.025);
    transition:
        transform var(--transition),
        box-shadow var(--transition),
        border-color var(--transition);
}

.service-card:hover {
    border-color: rgba(32, 184, 173, 0.5);
    box-shadow: var(--shadow-hover);
    transform: translateY(-6px);
}

.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    color: #82949b;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.round-arrow {
    display: grid;
    place-items: center;
    width: 31px;
    height: 31px;
    flex: 0 0 31px;
    color: var(--color-navy);
    background: #f0f5f6;
    border-radius: 50%;
    font-size: 15px;
    transition:
        color var(--transition),
        background var(--transition),
        transform var(--transition);
}

.service-card:hover .round-arrow {
    color: var(--color-white);
    background: var(--color-teal-dark);
    transform: rotate(45deg);
}

.card-illustration {
    position: relative;
    display: grid;
    place-items: center;
    height: 142px;
    margin: 12px 0 20px;
    overflow: hidden;
    border-radius: 14px;
}

.cooling-art {
    background: #e9f7f7;
}

.cooling-sun {
    position: absolute;
    top: 17px;
    right: 22px;
    width: 42px;
    height: 42px;
    background: #c5ece8;
    border-radius: 50%;
}

.air-lines {
    position: absolute;
    top: 47px;
    left: 20%;
    width: 60%;
    height: 38px;
    border-top: 2px solid #8ad8d0;
    border-bottom: 2px solid #8ad8d0;
    transform: skewY(-12deg);
}

.air-lines::after {
    position: absolute;
    top: 16px;
    right: 0;
    left: 0;
    border-top: 2px solid #8ad8d0;
    content: "";
}

.mini-unit {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 67px;
    height: 55px;
    color: var(--color-teal-dark);
    background: var(--color-white);
    border: 1px solid #c9e8e6;
    border-radius: 11px;
    box-shadow: 0 8px 18px rgba(18, 59, 82, 0.08);
    font-size: 29px;
}

.heating-art {
    background: #fbf1e5;
}

.heat-sun {
    position: absolute;
    top: 22px;
    right: 23px;
    width: 44px;
    height: 44px;
    background: #f7d8ae;
    border-radius: 50%;
}

.heat-lines {
    position: absolute;
    right: 30%;
    bottom: 25px;
    left: 30%;
    height: 45px;
    border: 2px solid #e9b981;
    border-top: 0;
    border-radius: 0 0 50% 50%;
}

.thermo {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 65px;
    height: 65px;
    color: #c77c3c;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 50%;
    font-size: 32px;
}

.install-art {
    background: #edf1fb;
}

.install-ring {
    position: absolute;
    width: 100px;
    height: 100px;
    border: 2px dashed #9aabd8;
    border-radius: 50%;
}

.install-house {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 65px;
    height: 65px;
    color: #637ab6;
    background: var(--color-white);
    border-radius: 17px;
    font-size: 40px;
}

.install-spark {
    position: absolute;
    top: 23px;
    right: 26%;
    color: #637ab6;
    font-size: 22px;
}

.care-art {
    background: #eaf5ee;
}

.care-circle {
    position: relative;
    display: grid;
    place-items: center;
    width: 78px;
    height: 78px;
    border: 2px solid #a7d6b9;
    border-radius: 50%;
}

.care-circle::before {
    position: absolute;
    width: 54px;
    height: 54px;
    border: 2px solid #c4e6ce;
    border-radius: 50%;
    content: "";
}

.care-circle::after {
    position: absolute;
    width: 23px;
    height: 12px;
    border-bottom: 3px solid #4b9e70;
    border-left: 3px solid #4b9e70;
    content: "";
    transform: translateY(-4px) rotate(-45deg);
}

.care-dots {
    position: absolute;
    top: 20px;
    right: 25%;
    color: #4b9e70;
    font-size: 19px;
}

.service-card h3 {
    margin-bottom: 12px;
    font-size: 19px;
    letter-spacing: -0.025em;
}

.service-card > p {
    flex: 1;
    margin-bottom: 23px;
    font-size: 12px;
    line-height: 1.85;
}

.card-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding-top: 14px;
    color: var(--color-navy);
    border-top: 1px solid var(--color-border);
    font-size: 11px;
    font-weight: 800;
    transition: color var(--transition);
}

.card-link span:last-child {
    color: var(--color-teal-dark);
    font-size: 17px;
    transition: transform var(--transition);
}

.card-link:hover {
    color: var(--color-teal-dark);
}

.card-link:hover span:last-child {
    transform: translateX(4px);
}


/* ---------- 10. WHY AIRWISE FEATURE BAND ---------- */

.feature-band {
    position: relative;
    overflow: hidden;
    padding: 90px 0;
    background: var(--color-navy-dark);
}

.feature-band::before {
    position: absolute;
    top: -260px;
    left: -180px;
    width: 560px;
    height: 560px;
    border: 1px solid rgba(32, 184, 173, 0.16);
    border-radius: 50%;
    content: "";
}

.feature-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(45px, 8vw, 115px);
    width: min(var(--container-width), calc(100% - 48px));
    margin-inline: auto;
}

.feature-visual {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 390px;
    overflow: hidden;
    background: linear-gradient(140deg, #164b60, #0c3348);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 28px;
}

.feature-shape {
    position: absolute;
    border: 1px solid rgba(32, 184, 173, 0.28);
    border-radius: 50%;
}

.shape-one {
    width: 290px;
    height: 290px;
}

.shape-two {
    width: 220px;
    height: 220px;
}

.feature-big {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 185px;
    height: 185px;
    color: var(--color-navy-dark);
    background: linear-gradient(145deg, #baf0e7, #54cbbd);
    border-radius: 50%;
    box-shadow: 0 0 0 18px rgba(32, 184, 173, 0.08);
}

.feature-big > span {
    font-size: 55px;
    font-weight: 800;
    letter-spacing: -0.08em;
    line-height: 1;
}

.feature-big small {
    margin-top: 11px;
    font-size: 8px;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.feature-note {
    position: absolute;
    right: 18px;
    bottom: 26px;
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: calc(100% - 36px);
    padding: 13px 16px;
    color: var(--color-navy);
    background: var(--color-white);
    border-radius: 13px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    font-size: 11px;
    font-weight: 700;
}

.feature-note > span:first-child {
    display: grid;
    place-items: center;
    width: 25px;
    height: 25px;
    flex: 0 0 25px;
    color: var(--color-teal-dark);
    background: var(--color-soft-teal);
    border-radius: 50%;
}

.feature-squiggle {
    position: absolute;
    top: 25px;
    left: 30px;
    color: #71d8ce;
    font-size: 42px;
    transform: rotate(-20deg);
}

.feature-copy {
    min-width: 0;
}

.feature-copy .eyebrow {
    color: #69d9ce;
}

.feature-copy h2 {
    margin-bottom: 22px;
    color: var(--color-white);
}

.feature-copy > p:not(.eyebrow) {
    margin-bottom: 26px;
    color: #b8cbd2;
    font-size: 14px;
    line-height: 1.9;
}

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin: 0 0 30px;
}

.benefit-list li {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 15px 0;
    color: #e5f0f3;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 12px;
    line-height: 1.6;
}

.benefit-number {
    display: grid;
    place-items: center;
    width: 35px;
    height: 35px;
    flex: 0 0 35px;
    color: var(--color-teal-dark);
    background: var(--color-soft-teal);
    border-radius: 50%;
    font-size: 10px;
    font-weight: 800;
}


/* ---------- 11. PROCESS ---------- */

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

.process-section .section-heading {
    margin-bottom: 45px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    width: min(var(--container-width), calc(100% - 48px));
    margin-inline: auto;
}

.process-steps article {
    position: relative;
    padding: 30px;
    background: #f6f9fa;
    border: 1px solid #e7eef0;
    border-radius: 20px;
    transition:
        background var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

.process-steps article:hover {
    background: #eff9f7;
    border-color: #c5e9e4;
    transform: translateY(-4px);
}

.process-steps article .benefit-number {
    margin-bottom: 25px;
    width: 43px;
    height: 43px;
    flex-basis: 43px;
    color: var(--color-white);
    background: var(--color-navy);
}

.process-steps h3 {
    margin-bottom: 12px;
    font-size: 21px;
}

.process-steps p {
    font-size: 13px;
    line-height: 1.85;
}


/* ---------- 12. CONTACT CTA ---------- */

.cta-section {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: 85px 24px;
    background: linear-gradient(135deg, #dff5f0, #eff8f7 60%, #d9efeb);
    text-align: center;
}

.cta-decoration {
    position: absolute;
    z-index: -1;
    top: -150px;
    right: -90px;
    width: 380px;
    height: 380px;
    border: 1px solid rgba(32, 184, 173, 0.2);
    border-radius: 50%;
}

.cta-decoration::after {
    position: absolute;
    inset: 35px;
    border: 1px solid rgba(32, 184, 173, 0.2);
    border-radius: 50%;
    content: "";
}

.cta-inner {
    width: min(750px, 100%);
    margin-inline: auto;
}

.cta-inner .eyebrow {
    justify-content: center;
}

.cta-inner h2 {
    margin-bottom: 20px;
    font-size: clamp(32px, 4vw, 49px);
}

.cta-inner > p:not(.eyebrow) {
    max-width: 600px;
    margin: 0 auto 28px;
    font-size: 14px;
    line-height: 1.85;
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.cta-phone {
    color: var(--color-navy);
    font-size: 12px;
    font-weight: 800;
    transition: color var(--transition);
}

.cta-phone:hover {
    color: var(--color-teal-dark);
}


/* ---------- 13. FOOTER ---------- */

.site-footer {
    padding: 65px 0 0;
    color: #d8e5e9;
    background: #071f2d;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.4fr 0.7fr 1fr;
    gap: 55px;
    width: min(var(--container-width), calc(100% - 48px));
    margin-inline: auto;
    padding-bottom: 55px;
}

.brand-footer .brand-mark {
    color: var(--color-navy-dark);
    background: #74ded3;
    box-shadow: none;
}

.brand-footer .brand-copy strong {
    color: var(--color-white);
}

.brand-footer .brand-copy small {
    color: #9eb6c0;
}

.footer-brand > p {
    max-width: 300px;
    margin-top: 22px;
    color: #a8bec7;
    font-size: 12px;
    line-height: 1.9;
}

.footer-col {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 13px;
}

.footer-col h3 {
    margin-bottom: 7px;
    color: var(--color-white);
    font-size: 14px;
    letter-spacing: 0;
}

.footer-col > a {
    color: #a8bec7;
    font-size: 12px;
    line-height: 1.6;
    transition: color var(--transition);
}

.footer-col > a:hover {
    color: #74ded3;
}

.footer-contact p {
    max-width: 280px;
    margin-top: 3px;
    color: #819da9;
    font-size: 11px;
    line-height: 1.8;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    width: min(var(--container-width), calc(100% - 48px));
    min-height: 66px;
    margin-inline: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom span {
    color: #819da9;
    font-size: 10px;
    line-height: 1.6;
}


/* ---------- 14. TABLET ---------- */

@media (max-width: 1050px) {
    :root {
        --header-height: 76px;
    }

    .nav-wrap {
        gap: 16px;
    }

    .primary-nav {
        gap: 15px;
    }

    .primary-nav > a:not(.nav-cta),
    .nav-drop-button {
        font-size: 12px;
    }

    .nav-cta {
        min-height: 41px;
        padding-inline: 14px;
        font-size: 11px;
    }

    .hero-grid {
        gap: 35px;
    }

    .hero-copy h1 {
        font-size: clamp(42px, 5vw, 57px);
    }

    .hero-visual {
        min-height: 410px;
    }

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

    .card-illustration {
        height: 155px;
    }

    .feature-grid {
        gap: 45px;
    }

    .footer-main {
        gap: 35px;
    }
}


/* ---------- 15. SMALL TABLET / MOBILE NAV ---------- */

@media (max-width: 800px) {
    .nav-wrap {
        min-height: 74px;
    }

    .menu-toggle {
        display: inline-flex;
        flex-shrink: 0;
    }

    .primary-nav {
        position: absolute;
        top: calc(100% + 1px);
        right: 0;
        left: 0;
        display: none;
        align-items: stretch;
        gap: 0;
        max-height: calc(100vh - 90px);
        overflow-y: auto;
        padding: 15px;
        background: var(--color-white);
        border: 1px solid var(--color-border);
        border-top: 0;
        border-radius: 0 0 18px 18px;
        box-shadow: var(--shadow-hover);
    }

    .primary-nav.is-open {
        display: flex;
        flex-direction: column;
    }

    .primary-nav > a:not(.nav-cta) {
        padding: 13px 8px;
        border-bottom: 1px solid #edf1f2;
        font-size: 13px;
    }

    .primary-nav > a:not(.nav-cta)::after {
        display: none;
    }

    .nav-dropdown {
        display: block;
        border-bottom: 1px solid #edf1f2;
    }

    .nav-drop-button {
        display: flex;
        justify-content: space-between;
        width: 100%;
        padding: 14px 8px;
        font-size: 13px;
    }

    .dropdown-menu {
        position: static;
        display: none;
        width: 100%;
        padding: 0 0 8px 10px;
        background: transparent;
        border: 0;
        border-radius: 0;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .nav-dropdown:hover .dropdown-menu,
    .nav-dropdown:focus-within .dropdown-menu {
        display: flex;
        transform: none;
    }

    .dropdown-menu a {
        padding: 10px;
    }

    .language-switch {
        align-self: flex-start;
        margin: 15px 0;
    }

    .nav-cta {
        width: 100%;
        min-height: 46px;
        margin-top: 3px;
    }

    .hero {
        padding-top: 55px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-copy {
        padding: 10px 0 0;
    }

    .hero-copy h1 {
        max-width: 650px;
        font-size: clamp(43px, 7.5vw, 64px);
    }

    .hero-lede {
        max-width: 600px;
    }

    .hero-visual {
        width: 100%;
        min-height: 430px;
    }

    .hero-bottom {
        margin-top: 30px;
    }

    .strip-inner {
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 16px 24px;
        padding-block: 22px;
    }

    .strip-label {
        width: 100%;
    }

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

    .intro-copy h2 {
        max-width: 650px;
    }

    .large-copy {
        max-width: 700px;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 17px;
    }

    .section-heading > p {
        max-width: 540px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .feature-visual {
        min-height: 360px;
    }

    .feature-copy {
        max-width: 680px;
    }

    .process-steps {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .process-steps article {
        display: grid;
        grid-template-columns: 43px 1fr;
        column-gap: 17px;
        padding: 23px;
    }

    .process-steps article .benefit-number {
        grid-row: 1 / span 2;
        margin: 0;
    }

    .process-steps h3 {
        align-self: center;
        margin: 0 0 8px;
    }

    .process-steps p {
        grid-column: 2;
    }

    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 38px 30px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}


/* ---------- 16. MOBILE ---------- */

@media (max-width: 560px) {
    body {
        font-size: 15px;
    }

    .container,
    .nav-wrap,
    .hero-grid,
    .hero-bottom,
    .strip-inner,
    .intro-grid,
    .section-heading,
    .service-cards,
    .feature-grid,
    .process-steps,
    .footer-main,
    .footer-bottom {
        width: calc(100% - 36px);
    }

    .section {
        padding: 72px 0;
    }

    .brand-mark {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        font-size: 23px;
    }

    .brand-copy strong {
        font-size: 16px;
    }

    .brand-copy small {
        font-size: 8px;
    }

    .hero {
        padding-top: 38px;
    }

    .hero-copy h1 {
        font-size: clamp(39px, 10vw, 51px);
        line-height: 1.06;
    }

    .hero-copy .eyebrow {
        margin-bottom: 16px;
        font-size: 9px;
    }

    .hero-lede {
        margin-bottom: 24px;
        font-size: 14px;
        line-height: 1.8;
    }

    .hero-actions {
        align-items: flex-start;
        flex-direction: column;
        gap: 16px;
    }

    .button {
        min-height: 49px;
        padding-inline: 20px;
        font-size: 12px;
    }

    .hero-trust {
        align-items: flex-start;
        margin-top: 28px;
    }

    .hero-trust strong {
        font-size: 11px;
    }

    .hero-trust p {
        font-size: 10px;
    }

    .hero-visual {
        min-height: 350px;
        border-radius: 22px;
    }

    .visual-top {
        top: 16px;
        right: 14px;
        left: 14px;
        align-items: flex-start;
        flex-direction: column;
        gap: 9px;
    }

    .status-pill {
        padding: 7px 9px;
        font-size: 8px;
    }

    .visual-caption {
        top: 100px;
        left: 16px;
        max-width: 120px;
        font-size: 9px;
    }

    .sun-disc {
        top: 105px;
        right: 13%;
        width: 55px;
        height: 55px;
    }

    .cloud-a {
        top: 160px;
        left: 5%;
        transform: scale(0.6);
    }

    .cloud-b {
        top: 190px;
        right: 2%;
        transform: scale(0.5);
    }

    .house-art {
        right: 12%;
        bottom: 63px;
        left: 12%;
        height: 175px;
    }

    .roof {
        top: 0;
        height: 76px;
    }

    .house-body {
        top: 52px;
    }

    .window {
        top: 25px;
        width: 31px;
        height: 34px;
        border-width: 4px;
    }

    .door {
        right: calc(50% - 18px);
        width: 36px;
        height: 62px;
        border-width: 3px;
    }

    .door::after {
        top: 32px;
        right: 4px;
    }

    .tree {
        bottom: 60px;
        transform: scale(0.68);
    }

    .tree-b {
        transform: scale(0.8);
    }

    .temp-card {
        right: 10px;
        bottom: 12px;
        gap: 8px;
        padding: 10px;
        border-radius: 12px;
    }

    .temp-icon {
        width: 34px;
        height: 34px;
        flex-basis: 34px;
        font-size: 19px;
    }

    .temp-card strong {
        font-size: 18px;
    }

    .temp-card span:not(.temp-status) {
        max-width: 135px;
        font-size: 8px;
    }

    .hero-bottom {
        margin-top: 25px;
        font-size: 8px;
    }

    .strip-inner {
        gap: 13px 18px;
        padding-block: 20px;
    }

    .strip-inner > span:not(.strip-label) {
        gap: 7px;
        font-size: 10px;
    }

    .service-icon {
        width: 26px;
        height: 26px;
        font-size: 13px;
    }

    .section h2,
    .feature-copy h2 {
        font-size: clamp(30px, 8vw, 38px);
    }

    .large-copy {
        font-size: 15px;
        line-height: 1.85;
    }

    .section-heading {
        margin-bottom: 29px;
    }

    .section-heading > p {
        font-size: 12px;
    }

    .service-cards {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .service-card {
        padding: 20px;
    }

    .card-illustration {
        height: 145px;
        margin: 14px 0 19px;
    }

    .service-card h3 {
        font-size: 20px;
    }

    .service-card > p {
        font-size: 13px;
    }

    .feature-band {
        padding: 70px 0;
    }

    .feature-grid {
        gap: 36px;
    }

    .feature-visual {
        min-height: 300px;
        border-radius: 22px;
    }

    .shape-one {
        width: 240px;
        height: 240px;
    }

    .shape-two {
        width: 180px;
        height: 180px;
    }

    .feature-big {
        width: 150px;
        height: 150px;
    }

    .feature-big > span {
        font-size: 45px;
    }

    .feature-note {
        right: 12px;
        bottom: 13px;
        gap: 8px;
        padding: 10px 12px;
        font-size: 9px;
    }

    .feature-squiggle {
        top: 16px;
        left: 17px;
        font-size: 32px;
    }

    .feature-copy > p:not(.eyebrow) {
        font-size: 13px;
    }

    .benefit-list li {
        align-items: flex-start;
        gap: 11px;
        font-size: 11px;
    }

    .benefit-number {
        width: 31px;
        height: 31px;
        flex-basis: 31px;
    }

    .process-steps article {
        padding: 20px;
    }

    .process-steps h3 {
        font-size: 18px;
    }

    .process-steps p {
        font-size: 12px;
    }

    .cta-section {
        padding: 68px 18px;
    }

    .cta-inner h2 {
        font-size: clamp(31px, 8vw, 39px);
    }

    .cta-inner > p:not(.eyebrow) {
        font-size: 13px;
    }

    .cta-actions {
        flex-direction: column;
        gap: 17px;
    }

    .site-footer {
        padding-top: 48px;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 34px;
        padding-bottom: 40px;
    }

    .footer-brand {
        grid-column: auto;
    }

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        padding-block: 17px;
    }

    .footer-bottom span {
        font-size: 9px;
    }
}


/* ---------- 17. REDUCED MOTION ---------- */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}