:root {
    --dewalt-yellow: #f2b600;
    --dewalt-yellow-strong: #ecb000;
    --black-main: #111111;
    --black-soft: #1c1c1c;
    --gray-dark: #2d2d2d;
    --gray-medium: #555555;
    --gray-light: #d6d6d6;
    --white: #ffffff;
    --steel: #b9b9b9;
    --bg-dark: #0e0e0e;
    --bg-panel: #171717;
    --whatsapp-green: #25D366;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--white);
    color: var(--black-main);
    line-height: 1.6;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: 1240px;
    margin: 0 auto;
}

/* HEADER */
.site-header {
    background: #0f0f0f;
    border-bottom: 3px solid var(--dewalt-yellow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 10px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    font-weight: bold;
    min-width: 0;
}

.logo-img {
    height: 38px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
}

.logo-text {
    font-size: 0.80rem;
    letter-spacing: 0.2px;
    font-weight: 700;
    white-space: nowrap;
}

.main-nav ul {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
}

.main-nav a {
    color: var(--white);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    transition: 0.3s ease;
    position: relative;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--dewalt-yellow);
}

.btn-header {
    background: var(--dewalt-yellow);
    color: var(--black-main);
    padding: 10px 14px;
    border-radius: 6px;
    font-weight: 800;
    font-size: 0.80rem;
    transition: 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.btn-header:hover {
    background: #ffd04d;
}

.whatsapp-btn i {
    color: var(--whatsapp-green);
    font-size: 1.1rem;
}

/* HERO */
.hero {
    background:
        linear-gradient(rgba(8, 8, 8, 0.82), rgba(8, 8, 8, 0.86)),
        url("/assets/img/imagen1.jpg"),
        linear-gradient(135deg, #101010 0%, #1b1b1b 45%, #242424 100%);
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    color: var(--white);
    padding: 88px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(
            135deg,
            rgba(242, 182, 0, 0.10) 0,
            rgba(242, 182, 0, 0.10) 2px,
            transparent 2px,
            transparent 20px
        );
    opacity: 0.55;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.3fr 0.9fr;
    gap: 40px;
    align-items: center;
}

.tagline {
    display: inline-block;
    background: rgba(242, 182, 0, 0.15);
    color: var(--dewalt-yellow);
    border: 1px solid rgba(242, 182, 0, 0.35);
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.8px;
}

.hero h1 {
    font-size: 2.15rem;
    line-height: 1.12;
    margin-bottom: 18px;
    text-transform: uppercase;
    max-width: 760px;
}

.hero p {
    font-size: 0.90rem;
    color: #e2e2e2;
    max-width: 680px;
    margin-bottom: 24px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    border-radius: 6px;
    font-weight: 800;
    transition: 0.3s ease;
}

.btn-primary {
    background: var(--dewalt-yellow);
    color: var(--black-main);
}

.btn-primary:hover {
    background: #ffd04d;
}

.btn-secondary {
    border: 2px solid var(--dewalt-yellow);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--dewalt-yellow);
    color: var(--black-main);
}

.btn-whatsapp-hero i {
    color: var(--whatsapp-green);
    font-size: 1.2rem;
}

.hero-box {
    display: flex;
    justify-content: center;
}

.hero-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(242, 182, 0, 0.22);
    border-left: 5px solid var(--dewalt-yellow);
    padding: 22px;
    border-radius: 10px;
    width: 100%;
    max-width: 390px;
    box-shadow: 0 10px 28px rgba(0,0,0,0.3);
    backdrop-filter: blur(4px);
}

.hero-card h3 {
    color: var(--dewalt-yellow);
    margin-bottom: 12px;
    text-transform: uppercase;
    font-size: 1rem;
}

.hero-card li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    color: #f0f0f0;
    font-size: 0.88rem;
}

/* SECCIONES */
.services-section,
.about-preview,
.cta-section {
    padding: 80px 0;
}

.services-section {
    background:
        linear-gradient(rgba(245,245,245,0.94), rgba(245,245,245,0.94)),
        url("/assets/img/imagen2.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.about-preview {
    background:
        linear-gradient(rgba(243,243,243,0.92), rgba(243,243,243,0.92)),
        url("/assets/img/imagen2.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.section-heading,
.cta-box,
.about-grid {
    position: relative;
}

.section-heading span,
.section-mini {
    display: inline-block;
    color: var(--dewalt-yellow-strong);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.section-heading h2,
.about-preview h2,
.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 16px;
    color: var(--black-main);
    text-transform: uppercase;
    line-height: 1.15;
}

.section-heading p,
.about-preview p,
.cta-section p {
    color: var(--gray-medium);
    max-width: 860px;
    font-size: 0.95rem;
}

.services-grid {
    margin-top: 35px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.service-card {
    background: linear-gradient(180deg, #161616 0%, #232323 100%);
    color: var(--white);
    padding: 24px 20px;
    border-radius: 10px;
    border-top: 5px solid var(--dewalt-yellow);
    box-shadow: 0 8px 22px rgba(0,0,0,0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 220px;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 30px rgba(0,0,0,0.18);
}

.service-card h3 {
    color: var(--dewalt-yellow);
    margin-bottom: 14px;
    text-transform: uppercase;
    font-size: 0.98rem;
    line-height: 1.25;
}

.service-card p {
    color: #d5d5d5;
    font-size: 0.92rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 35px;
    align-items: center;
}

.stats-box {
    background: #161616;
    padding: 24px;
    border-radius: 10px;
    border-top: 5px solid var(--dewalt-yellow);
}

.stat-item {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.stat-item strong {
    display: block;
    color: var(--dewalt-yellow);
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.stat-item span {
    color: #dedede;
    font-size: 0.92rem;
}

.text-link {
    display: inline-block;
    margin-top: 18px;
    color: var(--black-main);
    font-weight: 800;
    border-bottom: 2px solid var(--dewalt-yellow);
    padding-bottom: 3px;
}

.cta-section {
    background: linear-gradient(135deg, #111111 0%, #1b1b1b 100%);
    color: var(--white);
}

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

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

.cta-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* FOOTER */
.site-footer {
    background: #0e0e0e;
    color: var(--white);
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 30px;
    padding-bottom: 30px;
}

.site-footer h3,
.site-footer h4 {
    color: var(--dewalt-yellow);
    margin-bottom: 12px;
    text-transform: uppercase;
}

.site-footer p,
.site-footer li,
.site-footer a {
    color: #d8d8d8;
    font-size: 0.92rem;
}

.site-footer li {
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center;
    padding: 18px 0;
    color: #bdbdbd;
    font-size: 0.90rem;
}

/* PÁGINAS INTERNAS */
.hero-internal {
    padding: 90px 0;
}

.hero-electrico {
    background:
        linear-gradient(rgba(8, 8, 8, 0.84), rgba(8, 8, 8, 0.88)),
        url("/assets/img/imagen1.jpg"),
        linear-gradient(135deg, #101010 0%, #1b1b1b 45%, #242424 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-mecanico {
    background:
        linear-gradient(rgba(8, 8, 8, 0.84), rgba(8, 8, 8, 0.88)),
        url("/assets/img/imagen1.jpg"),
        linear-gradient(135deg, #101010 0%, #1b1b1b 45%, #242424 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-izaje {
    background:
        linear-gradient(rgba(8, 8, 8, 0.84), rgba(8, 8, 8, 0.88)),
        url("/assets/img/imagen1.jpg"),
        linear-gradient(135deg, #101010 0%, #1b1b1b 45%, #242424 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-piping {
    background:
        linear-gradient(rgba(8, 8, 8, 0.84), rgba(8, 8, 8, 0.88)),
        url("/assets/img/imagen1.jpg"),
        linear-gradient(135deg, #101010 0%, #1b1b1b 45%, #242424 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-empresa {
    background:
        linear-gradient(rgba(8, 8, 8, 0.84), rgba(8, 8, 8, 0.88)),
        url("/assets/img/imagen1.jpg"),
        linear-gradient(135deg, #101010 0%, #1b1b1b 45%, #242424 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-contacto {
    background:
        linear-gradient(rgba(8, 8, 8, 0.84), rgba(8, 8, 8, 0.88)),
        url("/assets/img/imagen1.jpg"),
        linear-gradient(135deg, #101010 0%, #1b1b1b 45%, #242424 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.internal-section {
    padding-top: 85px;
    padding-bottom: 85px;
}

.detail-grid {
    margin-top: 35px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.detail-card {
    background: #ffffff;
    border-left: 6px solid var(--dewalt-yellow);
    border-radius: 10px;
    padding: 24px;
    box-shadow: 0 10px 26px rgba(0,0,0,0.08);
}

.detail-card h3 {
    color: var(--black-main);
    text-transform: uppercase;
    margin-bottom: 14px;
    font-size: 1rem;
    line-height: 1.25;
}

.detail-card p {
    color: var(--gray-medium);
    margin-bottom: 14px;
    font-size: 0.94rem;
}

.internal-dark-band {
    background:
        linear-gradient(rgba(20,20,20,0.90), rgba(20,20,20,0.90)),
        url("/assets/img/imagen2.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.internal-dark-band h2,
.internal-dark-band p {
    color: var(--white);
}

/* CONTACTO */
.contact-grid {
    margin-top: 35px;
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 24px;
    align-items: start;
}

.contact-form-card,
.contact-info-card {
    background: #ffffff;
    border-radius: 10px;
    padding: 28px;
    box-shadow: 0 10px 26px rgba(0,0,0,0.08);
}

.contact-form-card {
    border-left: 6px solid var(--dewalt-yellow);
}

.contact-info-card {
    border-top: 5px solid var(--dewalt-yellow);
}

.contact-info-card h3 {
    margin-bottom: 14px;
    text-transform: uppercase;
    color: var(--black-main);
    font-size: 1rem;
}

.contact-info-card p {
    color: var(--gray-medium);
    margin-bottom: 20px;
    font-size: 0.94rem;
}

.info-item {
    padding: 14px 0;
    border-bottom: 1px solid #e7e7e7;
}

.info-item strong {
    display: block;
    margin-bottom: 4px;
    color: var(--black-main);
    font-size: 0.95rem;
}

.info-item span,
.info-item a {
    color: var(--gray-medium);
    font-size: 0.93rem;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.contact-form .form-group {
    margin-bottom: 18px;
}

.contact-form label {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--black-main);
    font-size: 0.92rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    border: 1px solid #d8d8d8;
    border-radius: 8px;
    padding: 14px 14px;
    font-size: 0.95rem;
    outline: none;
    transition: 0.2s ease;
    background: #ffffff;
    color: var(--black-main);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--dewalt-yellow);
    box-shadow: 0 0 0 3px rgba(242, 182, 0, 0.15);
}

.form-submit {
    border: none;
    cursor: pointer;
}

.alert {
    border-radius: 8px;
    padding: 14px 16px;
    margin-bottom: 18px;
    font-weight: 700;
}

.alert-success {
    background: #eaf8ef;
    color: #1f6b39;
    border: 1px solid #bfe2ca;
}

.alert-error {
    background: #fdeeee;
    color: #8f1f1f;
    border: 1px solid #f2c2c2;
}

/* RESPONSIVE */
@media (max-width: 1200px) {
    .header-container {
        flex-wrap: wrap;
        justify-content: center;
        padding: 14px 0;
    }

    .main-nav ul {
        justify-content: center;
    }
}

@media (max-width: 1100px) {
    .hero-content,
    .about-grid,
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

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

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

@media (max-width: 900px) {
    .detail-grid,
    .contact-grid,
    .contact-form .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 860px) {
    .header-container {
        flex-direction: column;
        justify-content: center;
        padding: 16px 0;
    }

    .logo {
        justify-content: center;
        flex-wrap: wrap;
        text-align: center;
    }

    .logo-text {
        white-space: normal;
    }

    .main-nav ul {
        justify-content: center;
    }

    .hero-content,
    .about-grid,
    .footer-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 1.85rem;
    }

    .section-heading h2,
    .about-preview h2,
    .cta-section h2 {
        font-size: 1.55rem;
    }
}

@media (max-width: 520px) {
    .container {
        width: 92%;
    }

    .btn-header,
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .hero {
        padding: 70px 0;
    }

    .hero h1 {
        font-size: 1.6rem;
    }

    .main-nav ul {
        gap: 12px;
    }

    .main-nav a {
        font-size: 0.74rem;
    }

    .logo-img {
        height: 34px;
    }

    .logo-text {
        font-size: 0.74rem;
    }

    .hero-card {
        max-width: 100%;
    }
}