:root {
    --bg-dark: #050608;
    --bg-light: #f4f4f4;
    --gold: #f4c045;
    --gold-deep: #d89b1f;
    --accent: #ffffff;
    --text-light: #f5f5f5;
    --text-dark: #1b1b1b;
    --max-width: 1100px;
    --radius: 16px;
    --shadow-soft: 0 18px 45px rgba(0,0,0,0.35);
    --transition-fast: 0.25s ease;
    --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

body {
    margin: 0;
    font-family: var(--font-main);
    background: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
}

/* Hero */

.hero {
    position: relative;
    min-height: 70vh;
    background: url("../img/portada.jpg") center/cover no-repeat fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--accent);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top, rgba(0,0,0,0.2), rgba(0,0,0,0.9));
}

.hero-content {
    position: relative;
    padding: 3rem 1.5rem 4rem;
    max-width: 800px;
}

.hero-logo {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-soft);
}

.hero h1 {
    font-size: clamp(2.3rem, 4vw, 3rem);
    letter-spacing: 0.08em;
    margin: 0 0 0.75rem;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: 1rem;
    margin-bottom: 2rem;
    color: #f9f9f9;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

/* Nav */

.main-nav {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(5,6,8,0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(244,192,69,0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.nav-logo img {
    width: 34px;
    height: 34px;
    border-radius: 999px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1rem;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.3rem 0.5rem;
    border-radius: 999px;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-links a:hover {
    background: var(--gold);
    color: #000;
}

/* Mobile nav */

#menu-toggle {
    display: none;
}

.menu-icon {
    display: none;
    font-size: 1.4rem;
    color: var(--accent);
    cursor: pointer;
}

/* Layout helpers */

.section {
    padding: 4rem 1.5rem;
}

.section-light {
    background: var(--bg-light);
    color: var(--text-dark);
}

.section-dark {
    background: #070709;
}

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

.section h2 {
    font-size: clamp(1.7rem, 3vw, 2.1rem);
    margin-top: 0;
    margin-bottom: 1rem;
}

.section-intro {
    max-width: 680px;
    margin: 0 auto 2.5rem;
    color: rgba(245,245,245,0.8);
}

.section-light .section-intro {
    color: #555;
}

.two-columns {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.2fr);
    gap: 2.5rem;
    align-items: flex-start;
}

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.6rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border: 2px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold), var(--gold-deep));
    color: #000;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 22px 55px rgba(0,0,0,0.5);
}

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

.btn-outline:hover {
    background: rgba(244,192,69,0.1);
}

.full-width {
    width: 100%;
}

/* Content blocks */

.highlight-box {
    background: radial-gradient(circle at top left, rgba(244,192,69,0.12), rgba(5,6,8,0.95));
    color: var(--text-light);
    padding: 1.8rem 1.6rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(244,192,69,0.5);
}

.highlight-box h3 {
    margin-top: 0;
    margin-bottom: 1rem;
}

.highlight-box .small {
    font-size: 0.85rem;
    opacity: 0.9;
}

.check-list {
    list-style: none;
    padding: 0;
    margin-top: 1.3rem;
}

.check-list li {
    position: relative;
    padding-left: 1.7rem;
    margin-bottom: 0.7rem;
}

.check-list li::before {
    content: "✔";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--gold);
}

/* Services */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: linear-gradient(145deg, #0c0d11, #14151b);
    border-radius: var(--radius);
    padding: 1.5rem 1.4rem 1.6rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(244,192,69,0.2);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: "";
    position: absolute;
    inset: -40%;
    background: radial-gradient(circle at top left, rgba(244,192,69,0.12), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.service-card:hover::after {
    opacity: 1;
}

.service-card h3 {
    margin-top: 0;
    font-size: 1.1rem;
    margin-bottom: 0.7rem;
}

.service-card p {
    margin: 0;
    font-size: 0.94rem;
    color: rgba(245,245,245,0.9);
}

/* Redes */

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin: 1.3rem 0 0.7rem;
}

.social-btn {
    padding: 0.7rem 1.2rem;
    border-radius: 999px;
    font-size: 0.9rem;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.social-btn.fb {
    background: #1877f2;
    color: #fff;
}

.social-btn.ig {
    background: linear-gradient(135deg, #f58529, #dd2a7b, #8134af, #515bd4);
    color: #fff;
}

.social-embeds > * {
    margin-bottom: 1rem;
}

/* Gallery */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.gallery-item {
    width: 100%;
    border-radius: 12px;
    object-fit: cover;
    cursor: zoom-in;
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

.gallery-item:hover {
    transform: translateY(-4px) scale(1.02);
    filter: brightness(1.08);
    box-shadow: 0 18px 40px rgba(0,0,0,0.55);
}

/* Lightbox */

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 1rem;
    z-index: 50;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 70vh;
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    margin-bottom: 0.75rem;
}

.lightbox-caption {
    color: #f5f5f5;
    font-size: 0.9rem;
    text-align: center;
}

.lightbox-close {
    position: absolute;
    top: 1.2rem;
    right: 1.4rem;
    font-size: 2rem;
    color: #fff;
    cursor: pointer;
}

/* Video */

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    background: #000;
}

.video-wrapper iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

/* Contact */

.contact-list {
    list-style: none;
    padding: 0;
    margin-top: 1.2rem;
}

.contact-list li {
    margin-bottom: 0.6rem;
}

.contact-list a {
    color: var(--gold);
    text-decoration: none;
}

.contact-list a:hover {
    text-decoration: underline;
}

.contact-form {
    background: #101117;
    padding: 1.7rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(244,192,69,0.35);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.6rem 0.8rem;
    border-radius: 10px;
    border: 1px solid #2b2d38;
    background: #070709;
    color: var(--text-light);
    font-family: inherit;
    font-size: 0.9rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
}

/* WhatsApp float */

.whatsapp-float {
    position: fixed;
    right: 1.1rem;
    bottom: 1.1rem;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: #25d366;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    text-decoration: none;
    box-shadow: 0 12px 28px rgba(0,0,0,0.4);
    z-index: 40;
}

/* Footer */

.site-footer {
    background: #050608;
    border-top: 1px solid rgba(244,192,69,0.4);
    padding: 1.5rem 1rem 2rem;
    font-size: 0.85rem;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem;
    color: rgba(245,245,245,0.8);
}

.site-footer a {
    color: var(--gold);
    text-decoration: none;
}

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

/* Responsive */

@media (max-width: 960px) {
    .two-columns {
        grid-template-columns: 1fr;
    }

    .cards-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gallery-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .hero {
        background-attachment: scroll;
    }

    .main-nav {
        flex-wrap: wrap;
    }

    .menu-icon {
        display: block;
    }

    .nav-links {
        position: absolute;
        right: 0;
        top: 100%;
        flex-direction: column;
        background: #050608;
        width: 100%;
        padding: 0.5rem 1rem 1rem;
        border-bottom: 1px solid rgba(244,192,69,0.4);
        display: none;
    }

    #menu-toggle:checked ~ .nav-links {
        display: flex;
    }

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

    .gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }

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