* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #102230;
    background:
        radial-gradient(circle at top left, rgba(72, 215, 255, 0.18), transparent 34rem),
        linear-gradient(180deg, #f4fbff 0%, #ffffff 45%, #eef8fc 100%);
    line-height: 1.6;
}

body.nav-open {
    overflow: hidden;
}

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

button,
input,
textarea {
    font: inherit;
}

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.section-pad {
    padding: 78px 0;
}

.site-shell {
    overflow: hidden;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(245, 252, 255, 0.88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(15, 95, 143, 0.12);
}

.nav-wrap {
    width: min(1180px, calc(100% - 28px));
    margin: 0 auto;
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    color: white;
    background:
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.65), transparent 34%),
        linear-gradient(135deg, var(--accent), var(--primary));
    box-shadow: 0 18px 35px rgba(15, 95, 143, 0.25);
}

.brand strong {
    display: block;
    font-size: 1rem;
    color: var(--secondary);
    line-height: 1.15;
}

.brand small {
    display: block;
    color: #5b7381;
    font-size: 0.76rem;
    margin-top: 2px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 22px;
    color: #37505f;
    font-size: 0.95rem;
}

.main-nav a {
    position: relative;
}

.main-nav a:not(.nav-cta)::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -7px;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.25s ease;
}

.main-nav a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 11px 18px;
    color: white;
    background: var(--primary);
    border-radius: 999px;
    box-shadow: 0 14px 30px rgba(15, 95, 143, 0.22);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    background: white;
    border-radius: 14px;
    box-shadow: 0 12px 28px rgba(8, 37, 56, 0.12);
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 5px auto;
    background: var(--secondary);
    border-radius: 20px;
}

.hero {
    position: relative;
    min-height: 720px;
    display: flex;
    align-items: center;
}

.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 54px;
    align-items: center;
}

.hero-bg-orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(8px);
    pointer-events: none;
}

.orb-one {
    width: 360px;
    height: 360px;
    right: -120px;
    top: 120px;
    background: rgba(72, 215, 255, 0.2);
}

.orb-two {
    width: 240px;
    height: 240px;
    left: -80px;
    bottom: 60px;
    background: rgba(15, 95, 143, 0.12);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 8px 13px;
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    background: rgba(72, 215, 255, 0.12);
    border: 1px solid rgba(72, 215, 255, 0.24);
    border-radius: 999px;
}

.pulse-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 0 rgba(72, 215, 255, 0.8);
    animation: pulse 1.8s infinite;
}

.hero h1,
.section-heading h2,
.split-copy h2,
.faq-copy h2,
.cta-panel h2 {
    margin: 18px 0 18px;
    color: var(--secondary);
    line-height: 1.04;
    letter-spacing: -0.055em;
}

.hero h1 {
    max-width: 720px;
    font-size: clamp(3rem, 8vw, 6.8rem);
}

.hero-lead {
    max-width: 650px;
    margin: 0;
    color: #506a7a;
    font-size: 1.1rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 32px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 14px 22px;
    border-radius: 999px;
    font-weight: 800;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    color: white;
    background:
        radial-gradient(circle at 20% 10%, rgba(255, 255, 255, 0.34), transparent 26%),
        linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: 0 18px 34px rgba(15, 95, 143, 0.26);
}

.btn-ghost {
    color: var(--secondary);
    background: white;
    border: 1px solid rgba(15, 95, 143, 0.14);
    box-shadow: 0 14px 26px rgba(9, 44, 70, 0.08);
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    max-width: 560px;
    margin-top: 34px;
}

.hero-metrics div {
    padding: 18px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(15, 95, 143, 0.1);
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(7, 32, 51, 0.06);
}

.hero-metrics strong {
    display: block;
    color: var(--primary);
    font-size: 1.5rem;
    line-height: 1;
}

.hero-metrics span {
    display: block;
    margin-top: 7px;
    color: #5f7786;
    font-size: 0.88rem;
}

.hero-visual {
    position: relative;
}

.aircon-card {
    position: relative;
    padding: 22px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(15, 95, 143, 0.13);
    border-radius: 38px;
    box-shadow: 0 34px 90px rgba(7, 32, 51, 0.16);
}

.cool-panel {
    position: relative;
    min-height: 420px;
    overflow: hidden;
    border-radius: 30px;
    background:
        linear-gradient(135deg, rgba(72, 215, 255, 0.26), rgba(15, 95, 143, 0.1)),
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.9), transparent 36%),
        linear-gradient(180deg, #dff8ff, #ffffff);
}

.cool-panel::before {
    content: "";
    position: absolute;
    inset: 26px;
    border: 1px solid rgba(15, 95, 143, 0.1);
    border-radius: 26px;
}

.aircon-unit {
    position: absolute;
    left: 50%;
    top: 62px;
    width: min(82%, 390px);
    height: 112px;
    transform: translateX(-50%);
    background: linear-gradient(180deg, #ffffff, #eaf8fc);
    border: 1px solid rgba(15, 95, 143, 0.13);
    border-radius: 22px;
    box-shadow: 0 30px 60px rgba(8, 42, 64, 0.16);
}

.unit-strip {
    position: absolute;
    left: 28px;
    right: 28px;
    top: 28px;
    height: 8px;
    background: linear-gradient(90deg, var(--accent), rgba(72, 215, 255, 0.1));
    border-radius: 999px;
}

.unit-display {
    position: absolute;
    right: 26px;
    bottom: 22px;
    padding: 7px 12px;
    color: var(--primary);
    font-weight: 900;
    background: rgba(72, 215, 255, 0.15);
    border-radius: 12px;
}

.unit-vents {
    position: absolute;
    left: 32px;
    right: 120px;
    bottom: 28px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.unit-vents span {
    height: 6px;
    border-radius: 999px;
    background: rgba(15, 95, 143, 0.2);
}

.air-stream {
    position: absolute;
    left: 50%;
    width: 220px;
    height: 110px;
    border-radius: 50%;
    border-bottom: 2px solid rgba(15, 95, 143, 0.18);
    border-left: 2px solid transparent;
    border-right: 2px solid transparent;
    transform: translateX(-50%);
    animation: drift 3.2s ease-in-out infinite;
}

.stream-one {
    top: 176px;
}

.stream-two {
    top: 226px;
    width: 300px;
    animation-delay: 0.4s;
}

.stream-three {
    top: 276px;
    width: 180px;
    animation-delay: 0.8s;
}

.temperature-bubble {
    position: absolute;
    right: 30px;
    bottom: 32px;
    width: 190px;
    padding: 18px;
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 24px;
    box-shadow: 0 24px 45px rgba(6, 32, 51, 0.24);
}

.temperature-bubble strong,
.temperature-bubble span {
    display: block;
}

.temperature-bubble span {
    margin-top: 4px;
    color: rgba(255, 255, 255, 0.74);
    font-size: 0.88rem;
}

.service-status {
    display: grid;
    gap: 10px;
    margin-top: 18px;
}

.service-status div {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 14px;
    color: #37505f;
    background: white;
    border-radius: 17px;
}

.status-icon {
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    color: white;
    background: var(--primary);
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 900;
}

.service-strip {
    padding: 18px 0;
    background: var(--secondary);
    color: white;
}

.strip-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    text-align: center;
}

.strip-grid span {
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.78);
}

.section-heading {
    max-width: 760px;
    margin-bottom: 36px;
}

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

.section-heading h2,
.split-copy h2,
.faq-copy h2,
.cta-panel h2 {
    font-size: clamp(2.2rem, 5vw, 4rem);
}

.section-heading p,
.split-copy p,
.faq-copy p,
.cta-panel p {
    color: #5c7482;
    font-size: 1.02rem;
}

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

.service-card,
.process-step,
.showcase-card,
.testimonial-card,
.faq-item,
.contact-card {
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(15, 95, 143, 0.1);
    box-shadow: 0 22px 54px rgba(7, 32, 51, 0.07);
}

.service-card {
    position: relative;
    overflow: hidden;
    padding: 28px;
    border-radius: 30px;
}

.service-card::after {
    content: "";
    position: absolute;
    inset: auto -40px -70px auto;
    width: 130px;
    height: 130px;
    background: rgba(72, 215, 255, 0.13);
    border-radius: 50%;
}

.card-icon {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    margin-bottom: 22px;
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 20px;
    font-size: 1.35rem;
}

.service-card h3,
.process-step h3,
.showcase-card h3 {
    margin: 0 0 10px;
    color: var(--secondary);
    font-size: 1.25rem;
}

.service-card p,
.process-step p,
.showcase-card p,
.testimonial-card p {
    margin: 0;
    color: #5d7482;
}

.service-card a {
    display: inline-flex;
    margin-top: 18px;
    color: var(--primary);
    font-weight: 900;
}

.split-section {
    background:
        linear-gradient(135deg, rgba(6, 32, 51, 0.98), rgba(15, 95, 143, 0.92)),
        radial-gradient(circle at 10% 10%, rgba(72, 215, 255, 0.3), transparent 32rem);
    color: white;
}

.split-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 46px;
    align-items: center;
}

.split-copy h2,
.split-copy p {
    color: white;
}

.split-copy p {
    color: rgba(255, 255, 255, 0.74);
}

.tech-board {
    position: relative;
    padding: 26px;
    border-radius: 34px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04));
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: 0 35px 80px rgba(0, 0, 0, 0.18);
}

.tech-board::before {
    content: "";
    display: block;
    height: 190px;
    margin-bottom: 18px;
    border-radius: 24px;
    background:
        radial-gradient(circle at 50% 45%, rgba(72, 215, 255, 0.45), transparent 0 18%, rgba(255,255,255,0.08) 19% 20%, transparent 21%),
        conic-gradient(from 90deg, rgba(72, 215, 255, 0.38), rgba(255,255,255,0.04), rgba(72, 215, 255, 0.2), rgba(255,255,255,0.04), rgba(72, 215, 255, 0.38));
}

.tech-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.tech-row:last-child {
    border-bottom: 0;
}

.tech-row span {
    color: rgba(255, 255, 255, 0.68);
}

.tech-row strong {
    color: var(--accent);
}

.trust-list {
    display: grid;
    gap: 14px;
    margin-top: 24px;
}

.trust-list div {
    padding: 18px;
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 22px;
}

.trust-list strong,
.trust-list span {
    display: block;
}

.trust-list span {
    margin-top: 4px;
    color: rgba(255, 255, 255, 0.7);
}

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

.process-step {
    padding: 26px;
    border-radius: 28px;
}

.process-step span {
    display: inline-flex;
    margin-bottom: 24px;
    color: var(--primary);
    font-size: 2.4rem;
    font-weight: 900;
    letter-spacing: -0.08em;
}

.showcase-section {
    background: #f2fbff;
}

.showcase-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr;
    gap: 18px;
}

.showcase-card {
    min-height: 230px;
    padding: 26px;
    border-radius: 30px;
}

.showcase-card.large {
    grid-row: span 2;
    min-height: 478px;
}

.mini-room {
    position: relative;
    height: 300px;
    overflow: hidden;
    margin-bottom: 22px;
    border-radius: 24px;
    background:
        linear-gradient(180deg, #e7f9ff, #ffffff),
        radial-gradient(circle at 20% 20%, rgba(72, 215, 255, 0.24), transparent 15rem);
    border: 1px solid rgba(15, 95, 143, 0.1);
}

.mini-aircon {
    position: absolute;
    left: 30px;
    top: 36px;
    width: 190px;
    height: 56px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 16px 35px rgba(15, 95, 143, 0.12);
}

.mini-aircon::after {
    content: "";
    position: absolute;
    left: 22px;
    right: 22px;
    bottom: 13px;
    height: 5px;
    background: rgba(15, 95, 143, 0.16);
    border-radius: 999px;
}

.mini-window {
    position: absolute;
    right: 34px;
    top: 42px;
    width: 96px;
    height: 116px;
    background: linear-gradient(135deg, rgba(72, 215, 255, 0.24), rgba(255, 255, 255, 0.65));
    border: 8px solid white;
    border-radius: 18px;
    box-shadow: 0 20px 40px rgba(15, 95, 143, 0.12);
}

.mini-sofa {
    position: absolute;
    left: 48px;
    right: 48px;
    bottom: 38px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 28px 28px 18px 18px;
}

.mini-sofa::before {
    content: "";
    position: absolute;
    left: 30px;
    right: 30px;
    top: -34px;
    height: 52px;
    background: linear-gradient(135deg, #1d7eaf, var(--primary));
    border-radius: 26px 26px 8px 8px;
}

.cool-lines {
    position: absolute;
    left: 86px;
    top: 118px;
    width: 170px;
    height: 90px;
    border-top: 2px solid rgba(72, 215, 255, 0.65);
    border-radius: 50%;
    animation: drift 3s ease-in-out infinite;
}

.cool-lines::before,
.cool-lines::after {
    content: "";
    position: absolute;
    left: 20px;
    width: 140px;
    height: 70px;
    border-top: 2px solid rgba(72, 215, 255, 0.38);
    border-radius: 50%;
}

.cool-lines::before {
    top: 22px;
}

.cool-lines::after {
    top: 44px;
}

.showcase-icon {
    width: 64px;
    height: 64px;
    display: grid;
    place-items: center;
    margin-bottom: 24px;
    background: rgba(72, 215, 255, 0.14);
    border-radius: 22px;
    font-size: 1.65rem;
}

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

.testimonial-card {
    padding: 28px;
    border-radius: 30px;
}

.stars {
    color: var(--primary);
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.testimonial-card strong {
    display: block;
    margin-top: 20px;
    color: var(--secondary);
}

.testimonial-card span {
    display: block;
    color: #748895;
    font-size: 0.9rem;
}

.faq-section {
    background:
        radial-gradient(circle at 15% 0%, rgba(72, 215, 255, 0.14), transparent 28rem),
        #ffffff;
}

.faq-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 44px;
    align-items: start;
}

.faq-list {
    display: grid;
    gap: 14px;
}

.faq-item {
    overflow: hidden;
    border-radius: 24px;
}

.faq-item button {
    width: 100%;
    padding: 22px 24px;
    border: 0;
    color: var(--secondary);
    background: white;
    text-align: left;
    font-weight: 900;
    cursor: pointer;
}

.faq-item button::after {
    content: "+";
    float: right;
    color: var(--primary);
    font-size: 1.3rem;
}

.faq-item.active button::after {
    content: "−";
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.28s ease;
}

.faq-answer p {
    margin: 0;
    padding: 0 24px 22px;
    color: #5d7482;
}

.final-cta {
    background: linear-gradient(135deg, var(--secondary), var(--primary));
}

.cta-panel {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 34px;
    align-items: center;
    padding: 38px;
    color: white;
    background:
        radial-gradient(circle at top right, rgba(72, 215, 255, 0.26), transparent 22rem),
        rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 38px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.18);
}

.cta-panel h2,
.cta-panel p {
    color: white;
}

.cta-panel p {
    color: rgba(255, 255, 255, 0.76);
}

.contact-card {
    padding: 22px;
    border-radius: 28px;
}

.contact-line {
    display: block;
    padding: 16px 0;
    border-bottom: 1px solid rgba(15, 95, 143, 0.1);
}

.contact-line span,
.contact-line strong {
    display: block;
}

.contact-line span {
    color: #6c7f8b;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 800;
}

.contact-line strong {
    margin-top: 2px;
    color: var(--secondary);
}

.full-btn {
    width: 100%;
    margin-top: 18px;
}

.site-footer {
    padding: 34px 0;
    color: rgba(255, 255, 255, 0.74);
    background: #061723;
}

.footer-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-footer strong {
    color: white;
}

.site-footer p {
    margin: 6px 0 0;
}

.site-footer a {
    margin-left: 18px;
}

.floating-whatsapp {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 60;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 14px 20px;
    color: white;
    background: #21a65b;
    border-radius: 999px;
    font-weight: 900;
    box-shadow: 0 18px 34px rgba(16, 122, 69, 0.32);
    transition: transform 0.2s ease;
}

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

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

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

@keyframes pulse {
    70% {
        box-shadow: 0 0 0 12px rgba(72, 215, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(72, 215, 255, 0);
    }
}

@keyframes drift {
    0%,
    100% {
        transform: translateX(-50%) translateY(0);
        opacity: 0.58;
    }
    50% {
        transform: translateX(-50%) translateY(10px);
        opacity: 1;
    }
}

@media (max-width: 980px) {
    .nav-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        inset: 78px 14px auto 14px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        padding: 18px;
        background: white;
        border: 1px solid rgba(15, 95, 143, 0.12);
        border-radius: 26px;
        box-shadow: 0 28px 70px rgba(7, 32, 51, 0.16);
    }

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

    .main-nav a {
        padding: 13px 14px;
        border-radius: 16px;
    }

    .nav-cta {
        text-align: center;
    }

    .hero {
        min-height: auto;
        padding-top: 54px;
    }

    .hero-grid,
    .split-grid,
    .faq-grid,
    .cta-panel {
        grid-template-columns: 1fr;
    }

    .cards-grid,
    .process-grid,
    .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .showcase-card.large {
        grid-column: 1 / -1;
    }

    .strip-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .cta-panel {
        padding: 28px;
    }
}

@media (max-width: 680px) {
    .section-pad {
        padding: 58px 0;
    }

    .nav-wrap {
        min-height: 70px;
    }

    .brand small {
        display: none;
    }

    .hero h1 {
        font-size: clamp(2.55rem, 15vw, 4.1rem);
    }

    .hero-actions,
    .hero-metrics {
        grid-template-columns: 1fr;
    }

    .hero-actions .btn,
    .hero-metrics,
    .full-btn {
        width: 100%;
    }

    .hero-metrics {
        display: grid;
    }

    .cool-panel {
        min-height: 360px;
    }

    .temperature-bubble {
        left: 22px;
        right: 22px;
        width: auto;
    }

    .cards-grid,
    .process-grid,
    .testimonial-grid,
    .showcase-grid,
    .strip-grid {
        grid-template-columns: 1fr;
    }

    .showcase-card.large {
        min-height: auto;
    }

    .mini-room {
        height: 250px;
    }

    .footer-grid {
        display: grid;
    }

    .site-footer a {
        display: inline-block;
        margin: 10px 16px 0 0;
    }

    .floating-whatsapp {
        left: 18px;
        right: 18px;
    }
}