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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    color: #0f172a;
    background:
        radial-gradient(circle at 10% 10%, rgba(103, 232, 249, 0.22), transparent 28%),
        radial-gradient(circle at 90% 5%, rgba(14, 116, 144, 0.15), transparent 30%),
        #f8fbff;
    line-height: 1.6;
}

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

button,
input,
textarea {
    font: inherit;
}

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

.section-pad {
    padding: 84px 0;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(248, 251, 255, 0.88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(8, 47, 73, 0.08);
}

.nav-wrap {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

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

.brand-mark {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    color: var(--primary);
    background: linear-gradient(135deg, #ffffff, rgba(103, 232, 249, 0.45));
    box-shadow: 0 14px 28px rgba(8, 47, 73, 0.12);
}

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

.brand strong {
    font-size: 1rem;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.brand small {
    font-size: 0.76rem;
    color: #64748b;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav a {
    padding: 10px 13px;
    border-radius: 999px;
    color: #334155;
    font-size: 0.94rem;
    transition: 0.2s ease;
}

.main-nav a:hover {
    color: var(--primary);
    background: rgba(103, 232, 249, 0.16);
}

.main-nav .nav-cta {
    color: #ffffff;
    background: var(--primary);
    box-shadow: 0 14px 28px rgba(8, 47, 73, 0.18);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 4px auto;
    background: var(--primary);
    border-radius: 99px;
}

.hero {
    position: relative;
    overflow: hidden;
    padding-top: 96px;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 24px 4% auto auto;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(103, 232, 249, 0.28), transparent 68%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 56px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary);
    font-weight: 800;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.pulse-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 0 rgba(103, 232, 249, 0.7);
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    70% {
        box-shadow: 0 0 0 12px rgba(103, 232, 249, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(103, 232, 249, 0);
    }
}

h1,
h2,
h3 {
    color: var(--primary);
    line-height: 1.08;
    letter-spacing: -0.045em;
}

h1 {
    font-size: clamp(2.65rem, 6vw, 5.35rem);
    max-width: 850px;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.35rem);
}

h3 {
    font-size: 1.28rem;
}

.hero-text {
    margin: 24px 0 30px;
    font-size: 1.12rem;
    color: #475569;
    max-width: 650px;
}

.hero-actions,
.contact-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 13px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 13px 20px;
    border-radius: 999px;
    font-weight: 800;
    transition: 0.2s ease;
}

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

.btn-primary {
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: 0 18px 36px rgba(8, 47, 73, 0.22);
}

.btn-ghost {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(8, 47, 73, 0.1);
}

.btn-light {
    color: var(--primary);
    background: #ffffff;
}

.btn-whatsapp {
    color: #052e16;
    background: #86efac;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 34px;
}

.hero-stats div {
    padding: 16px;
    border: 1px solid rgba(8, 47, 73, 0.08);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.72);
}

.hero-stats strong,
.hero-stats span {
    display: block;
}

.hero-stats strong {
    color: var(--primary);
    font-size: 1rem;
}

.hero-stats span {
    color: #64748b;
    font-size: 0.88rem;
}

.hero-visual {
    min-height: 560px;
    position: relative;
    border-radius: 44px;
    background:
        linear-gradient(145deg, rgba(8, 47, 73, 0.98), rgba(14, 116, 144, 0.9)),
        var(--primary);
    overflow: hidden;
    box-shadow: 0 32px 80px rgba(8, 47, 73, 0.3);
}

.hero-visual::before {
    content: "";
    position: absolute;
    inset: 22px;
    border-radius: 34px;
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-visual::after {
    content: "";
    position: absolute;
    left: -40px;
    bottom: -70px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(103, 232, 249, 0.18);
    filter: blur(2px);
}

.cooling-card {
    position: absolute;
    z-index: 2;
    inset: 72px 58px auto 58px;
    min-height: 330px;
    padding: 26px;
    border-radius: 34px;
    color: #ffffff;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.06));
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(16px);
}

.unit-top {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 16px;
}

.unit-top span {
    color: rgba(255, 255, 255, 0.74);
    font-weight: 700;
}

.unit-top strong {
    font-size: 2.6rem;
    letter-spacing: -0.06em;
}

.temperature-ring {
    width: 164px;
    height: 164px;
    margin: 34px auto 24px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background:
        radial-gradient(circle, rgba(8, 47, 73, 0.95) 48%, transparent 50%),
        conic-gradient(var(--accent) 0 78%, rgba(255, 255, 255, 0.18) 78% 100%);
    box-shadow: 0 0 42px rgba(103, 232, 249, 0.35);
}

.temperature-ring span {
    font-size: 1.1rem;
    font-weight: 900;
}

.unit-bars {
    height: 70px;
    display: flex;
    align-items: end;
    justify-content: center;
    gap: 12px;
}

.unit-bars span {
    width: 24px;
    border-radius: 999px 999px 8px 8px;
    background: linear-gradient(180deg, var(--accent), rgba(255, 255, 255, 0.18));
}

.floating-panel {
    position: absolute;
    z-index: 4;
    width: 220px;
    padding: 16px;
    border-radius: 22px;
    color: #ffffff;
    background: rgba(2, 6, 23, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(18px);
    box-shadow: 0 18px 40px rgba(2, 6, 23, 0.18);
}

.floating-panel strong,
.floating-panel span {
    display: block;
}

.floating-panel strong {
    margin-bottom: 4px;
}

.floating-panel span {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.88rem;
}

.panel-one {
    right: 24px;
    bottom: 118px;
}

.panel-two {
    left: 24px;
    bottom: 38px;
}

.frost-orb {
    position: absolute;
    border-radius: 50%;
    background: rgba(103, 232, 249, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.16);
}

.orb-one {
    width: 90px;
    height: 90px;
    top: 38px;
    right: 42px;
}

.orb-two {
    width: 56px;
    height: 56px;
    left: 60px;
    top: 120px;
}

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

.section-heading p {
    margin-top: 14px;
    color: #64748b;
    font-size: 1.05rem;
}

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

.service-card,
.process-step,
.testimonial-card,
.showcase-card,
.checklist-card {
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(8, 47, 73, 0.08);
    border-radius: 28px;
    box-shadow: 0 18px 42px rgba(8, 47, 73, 0.07);
}

.service-card {
    padding: 26px;
    transition: 0.2s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 52px rgba(8, 47, 73, 0.12);
}

.icon-box {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    margin-bottom: 18px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(103, 232, 249, 0.28), rgba(14, 116, 144, 0.12));
    font-size: 1.45rem;
}

.service-card p,
.process-step p,
.testimonial-card p,
.showcase-card p,
.trust-copy p,
.contact-card p {
    color: #64748b;
    margin-top: 10px;
}

.trust {
    position: relative;
}

.trust-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
    gap: 44px;
}

.trust-visual {
    min-height: 430px;
    display: grid;
    place-items: center;
    border-radius: 40px;
    background:
        linear-gradient(135deg, rgba(8, 47, 73, 0.95), rgba(14, 116, 144, 0.82)),
        var(--primary);
    box-shadow: 0 26px 70px rgba(8, 47, 73, 0.22);
}

.checklist-card {
    width: min(360px, 86%);
    padding: 28px;
}

.checklist-card h3 {
    margin-bottom: 18px;
}

.checklist-card li {
    list-style: none;
    position: relative;
    padding: 12px 0 12px 34px;
    color: #334155;
    border-bottom: 1px solid rgba(8, 47, 73, 0.08);
}

.checklist-card li:last-child {
    border-bottom: 0;
}

.checklist-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 12px;
    width: 22px;
    height: 22px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: var(--primary);
    background: rgba(103, 232, 249, 0.28);
    font-weight: 900;
    font-size: 0.8rem;
}

.trust-points {
    display: grid;
    gap: 13px;
    margin-top: 26px;
}

.trust-points div {
    padding: 18px;
    border-radius: 22px;
    background: #ffffff;
    border-left: 5px solid var(--accent);
    box-shadow: 0 14px 34px rgba(8, 47, 73, 0.06);
}

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

.trust-points strong {
    color: var(--primary);
}

.trust-points span {
    color: #64748b;
}

.process {
    background:
        linear-gradient(180deg, rgba(236, 254, 255, 0.5), rgba(248, 251, 255, 0.2));
}

.process-step {
    position: relative;
    padding: 28px;
    overflow: hidden;
}

.process-step::after {
    content: "";
    position: absolute;
    width: 130px;
    height: 130px;
    right: -70px;
    top: -70px;
    border-radius: 50%;
    background: rgba(103, 232, 249, 0.18);
}

.process-step span {
    display: inline-flex;
    margin-bottom: 30px;
    color: var(--secondary);
    font-weight: 900;
    font-size: 0.9rem;
}

.showcase-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr 1fr;
    gap: 18px;
}

.showcase-card {
    min-height: 220px;
    padding: 26px;
    display: flex;
    flex-direction: column;
    justify-content: end;
    position: relative;
    overflow: hidden;
}

.showcase-card::before {
    content: "";
    position: absolute;
    inset: auto -40px -80px auto;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(103, 232, 249, 0.18);
}

.showcase-card.tall {
    grid-row: span 2;
    min-height: 458px;
    color: #ffffff;
    background: linear-gradient(145deg, var(--primary), var(--secondary));
}

.showcase-card.tall h3,
.showcase-card.tall p {
    color: #ffffff;
}

.showcase-icon {
    font-size: 2rem;
    margin-bottom: 18px;
}

.testimonials {
    background:
        radial-gradient(circle at 50% 0%, rgba(103, 232, 249, 0.18), transparent 36%),
        #f8fbff;
}

.testimonial-card {
    padding: 28px;
}

.testimonial-card p {
    font-size: 1.02rem;
}

.testimonial-card strong,
.testimonial-card span {
    display: block;
}

.testimonial-card strong {
    margin-top: 22px;
    color: var(--primary);
}

.testimonial-card span {
    color: var(--secondary);
    font-size: 0.9rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: 0.75fr 1.25fr;
    gap: 36px;
    align-items: start;
}

.faq-intro p {
    color: #64748b;
    margin-top: 14px;
}

.faq-list {
    display: grid;
    gap: 12px;
}

.faq-item {
    border-radius: 24px;
    background: #ffffff;
    border: 1px solid rgba(8, 47, 73, 0.08);
    overflow: hidden;
    box-shadow: 0 14px 34px rgba(8, 47, 73, 0.06);
}

.faq-item button {
    width: 100%;
    padding: 20px 22px;
    border: 0;
    background: transparent;
    color: var(--primary);
    text-align: left;
    font-weight: 900;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    gap: 18px;
}

.faq-item button::after {
    content: "+";
    font-size: 1.2rem;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.faq-answer p {
    color: #64748b;
    padding: 0 22px 20px;
}

.contact-card {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
    align-items: center;
    padding: 38px;
    border-radius: 36px;
    color: #ffffff;
    background:
        linear-gradient(135deg, rgba(8, 47, 73, 0.98), rgba(14, 116, 144, 0.88)),
        var(--primary);
    box-shadow: 0 28px 72px rgba(8, 47, 73, 0.24);
}

.contact-card h2,
.contact-card p,
.contact-card .eyebrow {
    color: #ffffff;
}

.contact-card p {
    opacity: 0.82;
}

.contact-actions {
    justify-content: flex-end;
}

.site-footer {
    padding: 34px 0 90px;
    color: #64748b;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    border-top: 1px solid rgba(8, 47, 73, 0.1);
    padding-top: 24px;
}

.footer-grid strong {
    display: block;
    color: var(--primary);
    margin-bottom: 6px;
}

.footer-grid span {
    display: block;
    text-align: right;
}

.floating-whatsapp {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 60;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 18px;
    border-radius: 999px;
    color: #052e16;
    background: #86efac;
    font-weight: 900;
    box-shadow: 0 18px 38px rgba(22, 163, 74, 0.26);
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: 0.6s ease;
}

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

@media (max-width: 920px) {
    .nav-toggle {
        display: block;
    }

    .main-nav {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 84px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border-radius: 24px;
        background: #ffffff;
        box-shadow: 0 24px 56px rgba(8, 47, 73, 0.16);
    }

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

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

    .hero-grid,
    .trust-grid,
    .faq-grid,
    .contact-card {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 520px;
    }

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

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

    .showcase-card.tall {
        grid-row: auto;
        min-height: 260px;
    }

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

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

    .footer-grid span {
        text-align: left;
    }
}

@media (max-width: 640px) {
    .section-pad {
        padding: 64px 0;
    }

    .brand small {
        display: none;
    }

    .hero {
        padding-top: 58px;
    }

    .hero-stats,
    .service-grid,
    .process-grid,
    .testimonial-grid,
    .showcase-grid {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 470px;
        border-radius: 30px;
    }

    .cooling-card {
        inset: 52px 22px auto 22px;
        min-height: 300px;
    }

    .unit-top strong {
        font-size: 2rem;
    }

    .floating-panel {
        width: calc(100% - 44px);
    }

    .panel-one {
        right: 22px;
        bottom: 92px;
    }

    .panel-two {
        left: 22px;
        bottom: 24px;
    }

    .contact-card {
        padding: 26px;
        border-radius: 28px;
    }

    .btn {
        width: 100%;
    }

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