/* ============================================
   Servicios Técnicos del Hogar - Main styles
   ============================================ */

:root {
    --color-dark: #1a2a3a;
    --color-dark-rgb: 26, 42, 58;
    --color-accent: #ff9900;
    --color-accent-hover: #e68a00;
    --color-white: #ffffff;
    --color-text: #1a1a1a;
    --color-text-muted: #444;
    --font-sans: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --header-height: 64px;
    --container-max: 1200px;
    --section-padding-y: 3.5rem;
    --section-padding-x: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-white);
}

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

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

a:hover {
    text-decoration: underline;
}

/* --------------------------------------------
   Header
   -------------------------------------------- */
.site-header {
    background: var(--color-dark);
    color: var(--color-white);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0.75rem var(--section-padding-x);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-white);
    text-decoration: none;
}

.logo:hover {
    text-decoration: none;
    opacity: 0.95;
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: #f4c430;
    flex-shrink: 0;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

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

/* Nav toggle (hamburger) - visible on tablet/mobile */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--color-white);
    cursor: pointer;
    border-radius: 4px;
}

.nav-toggle:hover,
.nav-toggle:focus {
    background: rgba(255, 255, 255, 0.1);
    outline: none;
}

.nav-toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: var(--color-white);
    font-weight: 600;
    text-decoration: none;
    padding: 0.35em 0;
}

.nav-link:hover {
    text-decoration: underline;
}

/* --------------------------------------------
   Hero
   -------------------------------------------- */
.hero {
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-dark);
    background-image: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(var(--color-dark-rgb), 0.7);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem var(--section-padding-x);
    max-width: 900px;
}

.hero-heading {
    margin: 0;
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.25;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* --------------------------------------------
   Compromiso
   -------------------------------------------- */
.compromiso {
    padding: var(--section-padding-y) var(--section-padding-x);
    background: var(--color-white);
}

.compromiso-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.compromiso-media {
    position: sticky;
    top: calc(var(--header-height) + 1rem);
}

.compromiso-illustration {
    max-width: 100%;
}

.compromiso-illustration img {
    width: 100%;
    height: auto;
    max-height: 320px;
    object-fit: contain;
    display: block;
}

.section-title {
    margin: 0 0 1.25rem;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.compromiso-title {
    text-align: left;
}

.compromiso-intro {
    margin: 0 0 1.75rem;
    color: var(--color-text-muted);
    font-size: 1rem;
}

.compromiso-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.compromiso-item {
    margin: 0;
}

.compromiso-item-title {
    margin: 0 0 0.35em;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
}

.compromiso-item p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* --------------------------------------------
   Servicios
   -------------------------------------------- */
.servicios {
    padding: var(--section-padding-y) var(--section-padding-x);
    background: var(--color-white);
}

.servicios-inner {
    max-width: var(--container-max);
    margin: 0 auto;
}

.servicios-title {
    text-align: center;
    margin-bottom: 2.5rem;
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 1px solid var(--color-accent);
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-white);
}

.servicio-card {
    padding: 1.75rem 1rem;
    text-align: center;
    border-right: 1px solid var(--color-accent);
    border-bottom: 1px solid var(--color-accent);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.servicio-card:nth-child(3n) {
    border-right: none;
}

.servicio-card:nth-child(n + 4) {
    border-bottom: none;
}

.servicio-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.servicio-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.servicio-name {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.servicios-cta-wrap {
    text-align: center;
    margin-top: 2.5rem;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
    background: var(--color-accent);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
    box-shadow: 0 2px 8px rgba(255, 153, 0, 0.35);
}

.btn-cta:hover {
    background: var(--color-accent-hover);
    text-decoration: none;
}

.btn-cta .btn-cta-check {
    font-size: 1rem;
}

.btn-cta-whatsapp {
    background: #25d366;
    box-shadow: 0 2px 8px rgba(37, 211, 102, 0.4);
}

.btn-cta-whatsapp:hover {
    background: #20bd5a;
    text-decoration: none;
}

.btn-cta-whatsapp i {
    font-size: 1.35rem;
}

/* --------------------------------------------
   Footer
   -------------------------------------------- */
.site-footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: 2.5rem var(--section-padding-x) 1rem;
}

.footer-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.footer-col p {
    margin: 0 0 0.5rem;
    font-size: 0.95rem;
}

.footer-col a {
    color: var(--color-white);
    text-decoration: none;
}

.footer-col a:hover {
    text-decoration: underline;
}

.footer-location {
    text-align: right;
}

.footer-social {
    margin-top: 1rem;
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 6px;
    font-size: 1.25rem;
    transition: background 0.2s, border-color 0.2s;
}

.footer-social a:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
    text-decoration: none;
}

.footer-bottom {
    max-width: var(--container-max);
    margin: 2rem auto 0;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom p {
    margin: 0;
}

/* ============================================
   Tablet (max 900px)
   ============================================ */
@media (max-width: 900px) {
    .compromiso-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .compromiso-media {
        position: static;
        max-width: 400px;
        margin: 0 auto;
    }

    .compromiso-illustration {
        text-align: center;
    }

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

    .servicio-card {
        border-right: 1px solid var(--color-accent);
        border-bottom: 1px solid var(--color-accent);
    }

    .servicio-card:nth-child(3n) {
        border-right: 1px solid var(--color-accent);
    }

    .servicio-card:nth-child(2n) {
        border-right: none;
    }

    .servicio-card:nth-child(n + 4) {
        border-bottom: none;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-location {
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }
}

/* ============================================
   Mobile: hamburger menu + single column
   ============================================ */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        z-index: 99;
        background: var(--color-dark);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
        visibility: hidden;
        opacity: 0;
        transform: translateY(-10px);
        transition: visibility 0.2s, opacity 0.2s, transform 0.2s;
        pointer-events: none;
    }

    .main-nav.is-open {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .main-nav .nav-link {
        display: block;
        padding: 0.75rem 1rem;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .main-nav .nav-link:last-child {
        border-bottom: none;
    }

    .logo-text {
        white-space: normal;
        font-size: 0.95rem;
        max-width: 180px;
    }

    .hero {
        min-height: 320px;
    }

    .compromiso-media {
        max-width: 100%;
    }

    .compromiso-illustration img {
        max-height: 260px;
    }

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

    .servicio-card {
        border-right: none;
        border-bottom: 1px solid var(--color-accent);
    }

    .servicio-card:nth-child(2n) {
        border-right: none;
    }

    .servicio-card:last-child {
        border-bottom: none;
    }

    .btn-cta {
        width: 100%;
        max-width: 320px;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding-x: 1rem;
    }

    .hero-heading {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.35rem;
    }
}