:root {
    --navy: #101d2b;
    --navy-dark: #0b1520;
    --copper: #c77b4a;
    --copper-dark: #a9643a;
    --white: #fff;
    --paper: #f5f6f7;
    --text: #35414c;
    --muted: #5d6874;
    --line: #e8ebee;
    --whatsapp: #25d366;
    --whatsapp-dark: #1da851;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    margin: 0;
    color: var(--navy);
    background: var(--white);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

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

a {
    color: inherit;
}

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

.container {
    width: min(1160px, calc(100% - 40px));
    margin: 0 auto;
}

.section {
    padding: 90px 0;
}

.eyebrow {
    display: block;
    margin-bottom: 14px;
    color: var(--copper);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2.3px;
}

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 24px;
    border: 2px solid transparent;
    border-radius: 4px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
    transition: transform .18s ease, background-color .18s ease, color .18s ease;
}

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

.btn-primary {
    background: var(--copper);
    color: var(--white);
}

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

.btn-secondary {
    border-color: rgba(255, 255, 255, .55);
    color: var(--white);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, .12);
}

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

.btn-whatsapp {
    background: var(--whatsapp);
    color: var(--white);
}

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

/* ---------- Header ---------- */

.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--white);
    border-bottom: 1px solid var(--line);
}

.nav-wrapper {
    display: flex;
    min-height: 80px;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--navy);
    text-decoration: none;
}

.brand-icon {
    display: grid;
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    place-items: center;
    border-radius: 50%;
    background: var(--navy);
    object-fit: cover;
}

.brand-text {
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1.2px;
}

.brand-text small {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-size: 9px;
    letter-spacing: 1.6px;
}

.navigation {
    display: flex;
    align-items: center;
    gap: 28px;
}

.navigation a {
    color: var(--navy);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
}

.navigation a:hover {
    color: var(--copper);
}

.navigation .nav-cta {
    padding: 12px 20px;
    border-radius: 4px;
    background: var(--navy);
    color: var(--white);
}

.navigation .nav-cta:hover {
    background: var(--copper);
    color: var(--white);
}

.menu-toggle {
    display: none;
    border: 0;
    background: transparent;
    color: var(--navy);
    font-size: 26px;
    cursor: pointer;
}

/* ---------- Hero ---------- */

.hero {
    position: relative;
    display: flex;
    min-height: 680px;
    align-items: center;
    overflow: hidden;
    background:
        linear-gradient(90deg, #0a1725 0%, rgba(10, 23, 37, .96) 38%, rgba(10, 23, 37, .7) 65%, rgba(10, 23, 37, .35) 100%),
        url("../assets/hero-plumbing.jpg") center / cover no-repeat,
        linear-gradient(120deg, #0a1725, #1d3a52);
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    inset: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 85px 0;
}

.hero-label {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 25px;
    color: var(--copper);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2.3px;
}

.hero-label span {
    width: 25px;
    height: 2px;
    background: var(--copper);
}

.hero h1 {
    max-width: 760px;
    margin-bottom: 25px;
    font-size: clamp(42px, 6vw, 76px);
    line-height: 1.08;
    letter-spacing: -2px;
}

.hero h1 span {
    display: block;
    color: var(--copper);
}

.hero-content > p {
    max-width: 540px;
    margin-bottom: 35px;
    color: #d1d9e1;
    font-size: 17px;
    line-height: 1.8;
}

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

.hero-proof {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 55px;
}

.proof-number {
    color: var(--copper);
    font-size: 46px;
    font-weight: 800;
    line-height: 1;
}

.proof-number span {
    font-size: 25px;
}

.hero-proof strong,
.hero-proof small {
    display: block;
}

.hero-proof strong {
    font-size: 14px;
}

.hero-proof small {
    color: #b5c0cb;
    font-size: 11px;
}

/* ---------- Trust strip ---------- */

.trust-strip {
    background: var(--navy);
    color: var(--white);
}

.trust-items {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding: 22px 0;
    font-size: 13px;
    font-weight: 700;
    text-align: center;
}

/* ---------- Services ---------- */

.services {
    background: var(--paper);
}

.section-heading {
    max-width: 650px;
    margin: 0 auto 46px;
    text-align: center;
}

.section-heading h2,
.about-content h2,
.cta h2,
.contact-intro h2 {
    margin-bottom: 14px;
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.15;
    letter-spacing: -1px;
}

.section-heading p {
    margin-bottom: 0;
    color: var(--muted);
    line-height: 1.7;
}

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

.service-card {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--white);
    transition: transform .2s ease, box-shadow .2s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 30px rgba(16, 29, 43, .1);
}

.service-number {
    color: var(--copper);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1px;
}

.service-symbol {
    margin: 14px 0;
    color: var(--navy);
    font-size: 30px;
}

.service-card h3 {
    margin-bottom: 10px;
    font-size: 20px;
}

.service-card p {
    margin-bottom: 18px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.65;
}

.service-card > a {
    color: var(--copper);
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
}

.service-card > a:hover {
    text-decoration: underline;
}

/* ---------- About ---------- */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 64px;
}

.about-visual {
    position: relative;
    min-height: 420px;
    border-radius: 6px;
    background: linear-gradient(135deg, #1d3a52, var(--navy));
}

.about-visual img {
    width: 100%;
    height: 100%;
    min-height: 420px;
    border-radius: 6px;
    object-fit: contain;
    object-position: center;
    background: #14233a;
}

.experience-card {
    position: absolute;
    right: -20px;
    bottom: -20px;
    padding: 22px 26px;
    border-radius: 6px;
    background: var(--copper);
    color: var(--white);
    box-shadow: 0 14px 30px rgba(16, 29, 43, .2);
}

.experience-card strong {
    display: block;
    font-size: 40px;
    line-height: 1;
}

.experience-card span {
    font-size: 12px;
    font-weight: 700;
}

.about-content p {
    margin-bottom: 16px;
    color: var(--muted);
    line-height: 1.75;
}

.about-points {
    display: grid;
    gap: 10px;
    margin: 24px 0 30px;
    color: var(--text);
    font-size: 14px;
    font-weight: 700;
}

/* ---------- CTA ---------- */

.cta {
    padding: 60px 0;
    background: var(--navy);
    color: var(--white);
}

.cta-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.cta h2 {
    margin-bottom: 8px;
}

.cta p {
    margin-bottom: 0;
    color: #c8d1d9;
}

/* ---------- Contact ---------- */

.contact {
    background: var(--paper);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 64px;
}

.contact-intro > p {
    margin-bottom: 30px;
    color: var(--muted);
    line-height: 1.7;
}

.contact-detail {
    margin-bottom: 22px;
}

.contact-detail small {
    display: block;
    margin-bottom: 6px;
    color: var(--copper);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2px;
}

.contact-detail a,
.contact-detail strong {
    font-size: 22px;
    font-weight: 800;
    text-decoration: none;
}

.contact-detail a:hover {
    color: var(--copper);
}

.contact-panel {
    padding: 36px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--white);
}

.contact-panel h3 {
    margin-bottom: 8px;
    font-size: 24px;
}

.contact-panel > p {
    margin-bottom: 22px;
    color: var(--muted);
    font-size: 14px;
}

.contact-panel label {
    display: block;
    margin: 16px 0 6px;
    font-size: 12px;
    font-weight: 800;
}

.contact-panel input,
.contact-panel textarea {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid #d5dbe1;
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
}

.contact-panel input:focus,
.contact-panel textarea:focus {
    border-color: var(--copper);
    outline: 2px solid rgba(199, 123, 74, .25);
}

.contact-panel textarea {
    resize: vertical;
}

.contact-panel .btn {
    width: 100%;
    margin-top: 22px;
}

.form-status {
    margin: 12px 0 0;
    font-size: 13px;
    font-weight: 700;
    text-align: center;
}

.form-status.success {
    color: #1a7f45;
}

.form-status.error {
    color: #b3261e;
}

/* ---------- Footer ---------- */

.footer {
    padding: 30px 0;
    background: var(--navy-dark);
    color: #c8d1d9;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.footer-inner p {
    margin: 0;
    font-size: 12px;
}

.footer .brand,
.footer .brand-text {
    color: var(--white);
}

.footer .brand-text small {
    color: #9aa7b3;
}

/* ---------- Responsive ---------- */

@media (max-width: 1000px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .experience-card {
        right: 16px;
        bottom: -20px;
    }
}

@media (max-width: 760px) {
    .section {
        padding: 65px 0;
    }

    .menu-toggle {
        display: block;
    }

    .navigation {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 20px 18px;
        border-bottom: 1px solid var(--line);
        background: var(--white);
    }

    .navigation.active {
        display: flex;
    }

    .navigation a {
        padding: 13px 0;
    }

    .navigation .nav-cta {
        margin-top: 8px;
        text-align: center;
    }

    .hero {
        min-height: 590px;
    }

    .hero-content {
        padding: 65px 0;
    }

    .hero-content > p {
        font-size: 15px;
    }

    .hero-proof {
        margin-top: 40px;
    }

    .trust-items {
        grid-template-columns: 1fr 1fr;
    }

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

    .contact-panel {
        padding: 26px;
    }
}

@media (max-width: 560px) {
    .service-grid {
        grid-template-columns: 1fr;
    }

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

    .about-visual,
    .about-visual img {
        min-height: 300px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .btn,
    .service-card {
        transition: none;
    }
}

.whatsapp-float {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #25d366;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
    z-index: 1000;
    transition: transform 0.2s ease;
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
    transform: scale(1.08);
}