/* =============================================
   CreaDepot3D — Estilos principales
   Tema oscuro basado en identidad de marca
   ============================================= */

:root {
    --color-bg:        #000000;
    --color-bg-card:   #0d0d0d;
    --color-bg-input:  #111111;
    --color-text:      #ffffff;
    --color-text-muted:#aaaaaa;
    --color-primary:   #007bff;
    --color-accent:    #00e676;
    --color-border:    #333333;
    --color-error:     #ff5252;
    --color-success:   #00e676;
    --font-main:       'Montserrat', sans-serif;
    --header-height:   80px;
    --transition:      0.3s ease;
    --max-width:       1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-accent);
}

/* ---- Header ---- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    height: var(--header-height);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

/* Nav toggle (mobile) */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.main-nav .nav-list {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: capitalize;
    padding-bottom: 4px;
    border-bottom: 3px solid transparent;
    transition: border-color var(--transition), color var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

/* ---- Main ---- */
#main-content {
    flex: 1;
    padding-top: var(--header-height);
}

/* ---- Hero ---- */
.hero {
    position: relative;
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.85) 0%,
        rgba(0, 0, 0, 0.3) 50%,
        rgba(0, 0, 0, 0.1) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 3rem 2rem 4rem;
    max-width: 720px;
}

.hero-content-wide {
    max-width: 820px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.2vw, 1.2rem);
    font-weight: 300;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 640px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    line-height: 1.15;
    margin-bottom: 1.25rem;
}

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    padding: 0.85rem 2rem;
    font-family: var(--font-main);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: transparent;
    color: var(--color-primary);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-text);
}

.btn-outline:hover {
    background: var(--color-text);
    color: var(--color-bg);
}

.btn-submit {
    background: var(--color-primary);
    color: #fff;
    border: 2px solid var(--color-primary);
    width: 100%;
    padding: 1rem;
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 600;
}

.btn-submit:hover {
    background: transparent;
    color: var(--color-primary);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 0.9rem;
}

/* ---- Sections ---- */
.section-block {
    padding: 5rem 0;
}

.section-block:nth-child(even) {
    background: var(--color-bg-card);
}

.section-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.section-subtitle {
    color: var(--color-text-muted);
    font-weight: 300;
    margin-bottom: 3rem;
    max-width: 680px;
    line-height: 1.75;
}

/* ---- Services / Qué hacemos ---- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.services-grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
}

.service-image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-body {
    padding: 1.25rem 1.5rem 1.5rem;
}

.service-body h3 {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.service-body p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 300;
    line-height: 1.7;
}

/* ---- Nuestro Universo ---- */
.universe-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.universe-content p {
    color: var(--color-text-muted);
    font-weight: 300;
    line-height: 1.85;
    margin-bottom: 1.25rem;
}

.universe-highlight {
    font-size: 1.05rem;
    color: var(--color-text) !important;
    border-left: 3px solid var(--color-primary);
    padding-left: 1.25rem;
}

.universe-highlight strong {
    color: var(--color-accent);
}

.universe-visual {
    border: 1px solid var(--color-border);
    overflow: hidden;
    border-radius: 4px;
}

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

/* ---- Áreas de especialización ---- */
.specialties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
}

.specialty-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 1.5rem;
    transition: border-color var(--transition);
}

.section-specialties .specialty-card {
    background: var(--color-bg-card);
}

.specialty-card:hover {
    border-color: var(--color-primary);
}

.specialty-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.specialty-card ul {
    list-style: none;
}

.specialty-card li {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 300;
    padding: 0.35rem 0;
    padding-left: 1rem;
    position: relative;
}

.specialty-card li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* ---- Filosofía ---- */
.philosophy-inner {
    max-width: 800px;
    text-align: center;
}

.philosophy-inner .section-title {
    margin-bottom: 1.5rem;
}

.philosophy-inner p {
    color: var(--color-text-muted);
    font-weight: 300;
    line-height: 1.85;
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
}

/* ---- Proyectos destacados ---- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition);
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
}

.project-image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-card h3 {
    padding: 1.25rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.projects-cta {
    text-align: center;
}

/* ---- Llamado final ---- */
.section-cta-final {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.12) 0%, rgba(0, 0, 0, 0) 60%);
    border-top: 1px solid var(--color-border);
}

.cta-final-inner {
    text-align: center;
    max-width: 700px;
}

.cta-final-inner .section-title {
    margin-bottom: 1rem;
}

.cta-final-inner p {
    color: var(--color-text-muted);
    font-weight: 300;
    line-height: 1.85;
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.services-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

/* ---- Contact Page ---- */
.contact-hero {
    padding: 4rem 0 3rem;
    background: linear-gradient(180deg, rgba(0, 123, 255, 0.08) 0%, transparent 100%);
    border-bottom: 1px solid var(--color-border);
}

.contact-hero-inner {
    max-width: 760px;
}

.contact-hero-label {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.contact-hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    line-height: 1.15;
    margin-bottom: 1.25rem;
}

.contact-hero-text {
    color: var(--color-text-muted);
    font-weight: 300;
    line-height: 1.85;
    font-size: 1.05rem;
}

.contact-types {
    padding: 2rem 0;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
}

.contact-types-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.contact-types-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.contact-types-list li {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    padding: 0.45rem 1rem;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color var(--transition), color var(--transition);
}

.contact-types-list li:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.contact-section {
    padding: 4rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-panel-header {
    margin-bottom: 1.75rem;
}

.contact-panel-title {
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 0.65rem;
    color: var(--color-text);
}

.contact-panel-intro {
    color: var(--color-text-muted);
    font-size: 0.925rem;
    font-weight: 300;
    line-height: 1.75;
}

.contact-details {
    margin-bottom: 2rem;
    padding: 1.25rem 1.5rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.contact-details p {
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.contact-details p:last-child {
    margin-bottom: 0;
}

.contact-detail-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.contact-detail-sep {
    color: var(--color-text-muted);
    margin: 0 0.35rem;
}

.contact-details a {
    color: var(--color-text);
    font-weight: 400;
}

.contact-details a:hover {
    color: var(--color-primary);
}

.form-intro {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.form-alert {
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.form-alert-success {
    background: rgba(0, 230, 118, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.form-alert-error {
    background: rgba(255, 82, 82, 0.1);
    border: 1px solid var(--color-error);
    color: var(--color-error);
}

.contact-form .form-group {
    margin-bottom: 1.25rem;
}

.contact-form label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #555;
    font-weight: 300;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-family: var(--font-main);
    font-size: 0.95rem;
    padding: 0.85rem 1rem;
    transition: border-color var(--transition);
    outline: none;
    resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--color-primary);
}

/* WhatsApp column */
.contact-whatsapp {
    padding: 2rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.whatsapp-link {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    transition: transform var(--transition);
}

.whatsapp-link:hover {
    transform: scale(1.05);
}

.whatsapp-cta {
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.whatsapp-note {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.whatsapp-steps h3 {
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.whatsapp-steps ol {
    padding-left: 1.25rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
}

.whatsapp-steps strong {
    color: var(--color-text);
}

.contact-closing {
    padding: 3rem 0 5rem;
    border-top: 1px solid var(--color-border);
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.06) 0%, transparent 60%);
}

.contact-closing-inner {
    text-align: center;
    max-width: 560px;
}

.contact-closing-inner p {
    color: var(--color-text-muted);
    font-weight: 300;
    line-height: 1.85;
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

.contact-closing-inner strong {
    color: var(--color-text);
    font-weight: 600;
}

/* ---- Footer ---- */
.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 3rem 0 2rem;
    margin-top: auto;
    background: var(--color-bg-card);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2.5rem;
    align-items: start;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 1.75rem;
}

.footer-brand {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    max-width: 640px;
}

.footer-logo-link {
    flex-shrink: 0;
    opacity: 0.95;
    transition: opacity var(--transition);
}

.footer-logo-link:hover {
    opacity: 1;
}

.footer-logo {
    width: 64px;
    height: auto;
}

.footer-tagline {
    font-size: 0.925rem;
    font-weight: 300;
    line-height: 1.75;
    color: var(--color-text-muted);
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    text-align: right;
}

.footer-nav a {
    color: var(--color-text);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: color var(--transition);
}

.footer-nav a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-social {
    display: flex;
    gap: 1.25rem;
}

.footer-social a {
    color: var(--color-text-muted);
    transition: color var(--transition);
}

.footer-social a:hover {
    color: var(--color-primary);
}

.footer-copy {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    font-weight: 300;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .contact-whatsapp {
        order: -1;
    }

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

    .universe-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .logo-img {
        height: 48px;
    }

    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: rgba(0, 0, 0, 0.97);
        padding: calc(var(--header-height) + 2rem) 2rem 2rem;
        transition: right var(--transition);
        border-left: 1px solid var(--color-border);
    }

    .main-nav.open {
        right: 0;
    }

    .main-nav .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 1.2rem;
    }

    .hero-content {
        padding: 2rem 1.5rem 3rem;
    }

    .hero-actions {
        flex-direction: column;
    }

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

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

    .services-cta {
        flex-direction: column;
    }

    .services-cta .btn {
        width: 100%;
    }

    .footer-main {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-nav {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.65rem;
    }

    .services-grid,
    .services-grid-4,
    .projects-grid {
        grid-template-columns: 1fr;
    }

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