:root {
    --ink: #102033;
    --muted: #5b6876;
    --navy: #06213f;
    --blue: #0b68b7;
    --cyan: #dff4ff;
    --yellow: #ffd12a;
    --green: #22c55e;
    --green-dark: #149545;
    --white: #ffffff;
    --paper: #f5f8fb;
    --line: #dce6ef;
    --shadow: 0 18px 45px rgba(16, 32, 51, 0.14);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
    padding-bottom: 74px;
}

img,
svg {
    display: block;
}

img {
    max-width: 100%;
}

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

main {
    overflow: hidden;
}

.hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    background: url("cobertura-vidros.jpg") center / cover no-repeat;
    color: var(--white);
}

.hero-shade {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(3, 18, 34, 0.92) 0%, rgba(3, 18, 34, 0.72) 46%, rgba(3, 18, 34, 0.18) 100%),
        linear-gradient(180deg, rgba(3, 18, 34, 0.15), rgba(3, 18, 34, 0.62));
}

.hero-content {
    position: relative;
    z-index: 1;
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
    padding: 62px 0 92px;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--yellow);
    font-size: 0.82rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 760px;
    margin: 0;
    font-size: 5.35rem;
    line-height: 0.98;
    font-weight: 900;
    letter-spacing: 0;
    text-transform: uppercase;
}

.hero-lead {
    max-width: 640px;
    margin: 24px 0 0;
    color: rgba(255, 255, 255, 0.92);
    font-size: 1.28rem;
    font-weight: 700;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    gap: 10px;
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 14px 20px;
    font-size: 0.95rem;
    font-weight: 900;
    text-transform: uppercase;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
    flex: 0 0 auto;
}

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

.btn-primary {
    color: var(--white);
    background: var(--green);
    box-shadow: 0 14px 28px rgba(34, 197, 94, 0.28);
}

.btn-primary:hover {
    background: var(--green-dark);
}

.btn-secondary {
    color: var(--white);
    background: rgba(255, 255, 255, 0.11);
    border-color: rgba(255, 255, 255, 0.45);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.hero-proof {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    max-width: 760px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.hero-proof li {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 8px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.94);
    font-size: 0.9rem;
    font-weight: 800;
}

.hero-proof li::before,
.quick-proof span::before {
    content: "✓";
    color: var(--yellow);
    font-weight: 900;
}

.quick-proof {
    margin-top: -46px;
    position: relative;
    z-index: 2;
    padding: 0 20px;
}

.quick-proof-inner {
    width: min(1120px, 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--line);
}

.quick-proof span {
    display: flex;
    align-items: center;
    gap: 9px;
    min-height: 76px;
    padding: 16px;
    background: var(--white);
    color: var(--navy);
    font-size: 0.92rem;
    font-weight: 900;
}

.section {
    padding: 76px 20px;
}

.section-heading {
    width: min(860px, 100%);
    margin: 0 auto 34px;
    text-align: center;
}

.section-heading.compact {
    margin-bottom: 30px;
}

.section-heading h2,
.risk-copy h2,
.final-cta h2 {
    margin: 0;
    color: var(--navy);
    font-size: 3.05rem;
    line-height: 1.05;
    font-weight: 900;
    letter-spacing: 0;
}

.section-heading p:not(.eyebrow),
.risk-copy p,
.final-cta p {
    margin: 16px 0 0;
    color: var(--muted);
    font-size: 1.05rem;
}

.services {
    background: var(--paper);
    padding-top: 90px;
}

.service-grid {
    width: min(1120px, 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.service-card,
.comparison-card,
.risk-grid article,
.process-grid article,
.faq-grid details {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: 0 10px 28px rgba(16, 32, 51, 0.08);
    overflow: hidden;
}

.service-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.service-copy {
    padding: 22px;
}

.service-copy span,
.comparison-title span {
    display: inline-flex;
    width: fit-content;
    margin-bottom: 10px;
    border-radius: 8px;
    padding: 6px 10px;
    background: var(--cyan);
    color: var(--blue);
    font-size: 0.76rem;
    font-weight: 900;
    text-transform: uppercase;
}

.service-copy h3,
.comparison-title h3,
.risk-grid h3,
.process-grid h3 {
    margin: 0;
    color: var(--navy);
    font-size: 1.28rem;
    line-height: 1.15;
    font-weight: 900;
}

.service-copy p,
.comparison-card p,
.risk-grid p,
.process-grid p,
.faq-grid p {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 0.98rem;
}

.service-copy a {
    display: inline-flex;
    margin-top: 18px;
    color: var(--green-dark);
    font-weight: 900;
    text-transform: uppercase;
    font-size: 0.84rem;
}

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

.comparison-grid {
    width: min(1120px, 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.comparison-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 20px;
}

.comparison-title span {
    margin: 0;
    flex: 0 0 auto;
}

.before-after {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.photo {
    position: relative;
    margin: 0;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #d8e2eb;
}

.photo + .photo {
    border-left: 3px solid var(--white);
}

.photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo figcaption {
    position: absolute;
    top: 12px;
    left: 12px;
    border-radius: 6px;
    padding: 6px 10px;
    color: var(--white);
    background: rgba(6, 33, 63, 0.88);
    font-size: 0.78rem;
    font-weight: 900;
    text-transform: uppercase;
}

.photo figcaption.clean {
    background: var(--green-dark);
}

.comparison-card > p {
    padding: 0 20px 22px;
}

.center-action {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.risk-section {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 36px;
    align-items: center;
    background: var(--navy);
    color: var(--white);
}

.risk-copy {
    justify-self: end;
    width: min(500px, 100%);
}

.risk-copy h2,
.risk-copy p {
    color: var(--white);
}

.risk-copy .eyebrow {
    color: var(--yellow);
}

.risk-copy p:not(.eyebrow) {
    color: rgba(255, 255, 255, 0.82);
}

.risk-grid {
    width: min(570px, 100%);
    display: grid;
    gap: 14px;
}

.risk-grid article {
    display: grid;
    grid-template-columns: 54px 1fr;
    column-gap: 16px;
    padding: 18px;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.16);
    box-shadow: none;
}

.risk-grid span {
    grid-row: span 2;
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    border-radius: 8px;
    color: var(--navy);
    background: var(--yellow);
    font-weight: 900;
}

.risk-grid h3 {
    color: var(--white);
}

.risk-grid p {
    color: rgba(255, 255, 255, 0.74);
}

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

.process-grid {
    width: min(980px, 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.process-grid article {
    padding: 24px;
}

.process-grid strong {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    margin-bottom: 18px;
    border-radius: 8px;
    color: var(--white);
    background: var(--blue);
    font-size: 1.1rem;
}

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

.faq-grid {
    width: min(900px, 100%);
    margin: 0 auto;
    display: grid;
    gap: 12px;
}

.faq-grid details {
    padding: 18px 20px;
}

.faq-grid summary {
    cursor: pointer;
    color: var(--navy);
    font-size: 1rem;
    font-weight: 900;
}

.final-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto 54px;
    border-radius: 8px;
    padding: 34px;
    color: var(--white);
    background:
        linear-gradient(90deg, rgba(6, 33, 63, 0.94), rgba(11, 104, 183, 0.82)),
        url("placa-solar.jpg") center / cover no-repeat;
    box-shadow: var(--shadow);
}

.final-cta h2,
.final-cta p {
    color: var(--white);
}

.final-cta .eyebrow {
    color: var(--yellow);
}

.final-cta p:not(.eyebrow) {
    color: rgba(255, 255, 255, 0.86);
}

.final-cta .btn {
    flex: 0 0 auto;
}

.fixed-bottom-bar {
    position: fixed;
    inset: auto 0 0;
    z-index: 20;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 14px;
    min-height: 66px;
    padding: 10px 20px;
    color: var(--white);
    background: rgba(6, 33, 63, 0.96);
    border-top: 3px solid var(--yellow);
    box-shadow: 0 -10px 30px rgba(16, 32, 51, 0.24);
    backdrop-filter: blur(12px);
}

.bar-phone {
    color: var(--white);
    font-size: 1.05rem;
    font-weight: 900;
}

.bar-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 42px;
    border-radius: 8px;
    padding: 10px 16px;
    color: var(--white);
    background: var(--green);
    font-size: 0.9rem;
    font-weight: 900;
    text-transform: uppercase;
}

.bar-whatsapp svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

@media (max-width: 920px) {
    .hero h1 {
        font-size: 4.2rem;
    }

    .section-heading h2,
    .risk-copy h2,
    .final-cta h2 {
        font-size: 2.7rem;
    }

    .quick-proof-inner,
    .service-grid,
    .comparison-grid,
    .process-grid {
        grid-template-columns: 1fr 1fr;
    }

    .risk-section {
        grid-template-columns: 1fr;
    }

    .risk-copy,
    .risk-grid {
        justify-self: center;
        width: min(760px, 100%);
    }

    .final-cta {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    body {
        padding-bottom: 62px;
    }

    .hero {
        min-height: 88vh;
        background-position: 58% center;
    }

    .hero-shade {
        background: linear-gradient(180deg, rgba(3, 18, 34, 0.9), rgba(3, 18, 34, 0.64));
    }

    .hero-content {
        width: min(100% - 28px, 1120px);
        padding: 34px 0 78px;
    }

    .hero h1 {
        font-size: 2.7rem;
    }

    .hero-lead {
        font-size: 1.04rem;
    }

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

    .hero-proof {
        gap: 8px;
    }

    .hero-proof li {
        border-radius: 8px;
        width: 100%;
    }

    .quick-proof {
        margin-top: -34px;
        padding: 0 14px;
    }

    .quick-proof-inner,
    .service-grid,
    .comparison-grid,
    .process-grid {
        grid-template-columns: 1fr;
    }

    .quick-proof span {
        min-height: 54px;
        padding: 13px 14px;
    }

    .section {
        padding: 56px 14px;
    }

    .services {
        padding-top: 70px;
    }

    .section-heading {
        text-align: left;
    }

    .section-heading h2,
    .risk-copy h2,
    .final-cta h2 {
        font-size: 2.15rem;
    }

    .comparison-title {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .comparison-title span {
        align-self: flex-start;
    }

    .before-after {
        grid-template-columns: 1fr;
    }

    .photo + .photo {
        border-top: 3px solid var(--white);
        border-left: 0;
    }

    .risk-section {
        padding-left: 14px;
        padding-right: 14px;
    }

    .risk-grid article {
        grid-template-columns: 44px 1fr;
        column-gap: 12px;
        padding: 16px;
    }

    .risk-grid span {
        width: 44px;
        height: 44px;
    }

    .final-cta {
        width: calc(100% - 28px);
        margin-bottom: 34px;
        padding: 24px;
    }

    .fixed-bottom-bar {
        justify-content: space-between;
        gap: 10px;
        min-height: 58px;
        padding: 8px 10px;
    }

    .bar-phone {
        font-size: 0.95rem;
        white-space: nowrap;
    }

    .bar-whatsapp {
        min-height: 40px;
        padding: 9px 12px;
        font-size: 0.78rem;
    }
}