/* ============================================================
   FUENTES Y VARIABLES - Basado en el logo oficial GSB
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Montserrat:wght@400;500;600;700;800;900&display=swap');

:root {
    --color-primary: #1A1A1A;      /* Negro del logo */
    --color-secondary: #C41E3A;     /* Rojo Escarlata */
    --color-white: #FFFFFF;
    --color-dark: #000000;
    --color-secondary-dark: #A01830; /* Rojo más oscuro para hover */
    --color-gray: #6B7A8F;
    --color-gray-light: #F8F8F8;
    --color-gray-200: #E8E8E8;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.10);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.14);

    --border-radius: 12px;
    --border-radius-lg: 20px;

    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);

    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    color: var(--color-dark);
    background: var(--color-white);
    line-height: 1.7;
    overflow-x: hidden;
}

::selection {
    background: var(--color-secondary);
    color: var(--color-white);
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-dark {
    background: var(--color-dark);
    color: var(--color-white);
}

.section-light {
    background: var(--color-gray-light);
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
}

.section-title .highlight {
    color: var(--color-secondary);
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--color-gray);
    max-width: 680px;
    margin: 0 auto 48px;
    text-align: center;
    line-height: 1.8;
}

.section-dark .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

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

.badge {
    display: inline-block;
    background: rgba(196, 30, 58, 0.10);
    color: var(--color-secondary);
    padding: 4px 16px;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

/* ============================================================
   BOTONES
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-sm {
    padding: 10px 24px;
    font-size: 0.85rem;
}

.btn-primary {
    background: var(--color-secondary);
    color: var(--color-white);
    box-shadow: 0 4px 24px rgba(196, 30, 58, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 40px rgba(196, 30, 58, 0.45);
    background: var(--color-secondary-dark);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
    transform: translateY(-3px);
}

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

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 12px 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.08);
    padding: 8px 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.logo-img {
    height: 48px;
    width: auto;
    display: block;
    transition: var(--transition);
}

.nav-links {
    display: flex;
    gap: 36px;
    align-items: center;
}

.nav-links a {
    color: #1a1a1a;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.8rem;
    transition: var(--transition);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.menu-toggle span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: var(--color-dark);
    border-radius: 2px;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    padding: 100px 40px 40px;
    flex-direction: column;
    gap: 20px;
    z-index: 999;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.mobile-menu.open {
    transform: translateX(0);
    display: flex;
}

.mobile-menu a {
    color: var(--color-dark);
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 600;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mobile-menu a:hover {
    color: var(--color-secondary);
    padding-left: 12px;
}

/* ============================================================
   WHATSAPP FLOAT
   ============================================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--color-primary);
    overflow: hidden;
    padding-top: 100px;
}

.hero-glow {
    position: absolute;
    top: -30%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(196, 30, 58, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 80vh;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1;
}

.slide-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 20px;
    color: var(--color-white);
    text-align: center;
}

.slide-content .badge {
    display: inline-block;
    background: rgba(196, 30, 58, 0.15);
    color: var(--color-secondary);
    padding: 6px 18px;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.slide-content h1 {
    font-family: var(--font-primary);
    font-size: clamp(2.8rem, 5vw, 4.2rem);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: var(--color-white);
    margin-bottom: 24px;
}

.slide-content h1 .highlight {
    color: var(--color-secondary);
}

.slide-content p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 520px;
    line-height: 1.8;
    margin: 0 auto 36px;
}

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

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    z-index: 3;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}

.slider-btn {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.slider-btn:hover {
    background: var(--color-secondary);
    color: var(--color-white);
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.slider-dots button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dots button.active {
    background: var(--color-secondary);
    transform: scale(1.2);
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.about-card {
    background: var(--color-white);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.06);
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-secondary);
}

.about-card .card-icon {
    font-size: 2.8rem;
    color: var(--color-secondary);
    margin-bottom: 16px;
}

.about-card h3 {
    font-family: var(--font-primary);
    font-weight: 700;
    margin-bottom: 12px;
}

.about-card p {
    color: var(--color-gray);
    line-height: 1.7;
}

/* ============================================================
   SERVICIOS
   ============================================================ */
.services-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.service-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.service-block:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-block.reverse {
    direction: rtl;
}

.service-block.reverse .service-content {
    direction: ltr;
}

.service-image {
    min-height: 320px;
    background-size: cover;
    background-position: center;
    transition: var(--transition);
}

.service-block:hover .service-image {
    transform: scale(1.02);
}

.service-content {
    padding: 48px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.service-content h3 {
    font-family: var(--font-primary);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.service-content p {
    color: var(--color-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.service-content ul {
    margin-bottom: 24px;
}

.service-content ul li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 0;
    color: var(--color-gray);
    font-weight: 500;
}

.service-content ul li i {
    color: var(--color-secondary);
    font-size: 1.2rem;
    width: 24px;
}

/* ============================================================
   TESTIMONIOS
   ============================================================ */
.testimonios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonio-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-lg);
    padding: 32px 28px;
    text-align: center;
    transition: var(--transition);
}

.testimonio-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-secondary);
    background: rgba(255, 255, 255, 0.06);
}

.testimonio-card .testimonio-estrellas {
    color: var(--color-secondary);
    font-size: 1.2rem;
    letter-spacing: 4px;
    margin-bottom: 16px;
}

.testimonio-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.testimonio-card .testimonio-autor strong {
    color: var(--color-white);
    font-family: var(--font-primary);
    font-weight: 700;
}

.testimonio-card .testimonio-autor span {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--color-white);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.info-item .icon-circle {
    width: 48px;
    height: 48px;
    background: var(--color-gray-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-item h4 {
    color: var(--color-primary);
    margin-bottom: 2px;
}

.info-item p {
    color: var(--color-gray);
    margin: 0;
}

.map-container {
    margin-top: 20px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* ============================================================
   CTA
   ============================================================ */
.cta-section {
    background: var(--color-dark);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: -40%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(196, 30, 58, 0.04) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    font-family: var(--font-primary);
    font-size: clamp(2.4rem, 4vw, 3.4rem);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 16px;
}

.cta-section h2 .highlight {
    color: var(--color-secondary);
}

.cta-section p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 560px;
    margin: 0 auto 36px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: var(--color-primary);
    color: rgba(255, 255, 255, 0.5);
    padding: 72px 0 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    margin-top: 8px;
    margin-bottom: 16px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-white);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-3px);
}

.footer-links-col h4 {
    font-family: var(--font-primary);
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: 16px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links-col a {
    display: block;
    padding: 6px 0;
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-links-col a:hover {
    color: var(--color-secondary);
    padding-left: 6px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
}

/* ============================================================
   ANIMACIONES
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px) scale(0.98);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }

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

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

    .service-block {
        grid-template-columns: 1fr;
    }

    .service-block.reverse {
        direction: ltr;
    }

    .service-image {
        min-height: 250px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }

    .slide-content h1 {
        font-size: 2.4rem;
    }

    .section {
        padding: 60px 0;
    }

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

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

    .logo-img {
        height: 40px;
    }

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

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

    .slider-nav {
        display: none;
    }
}

@media (max-width: 480px) {
    .slide-content h1 {
        font-size: 2rem;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .service-content {
        padding: 32px 24px;
    }

    .service-content h3 {
        font-size: 1.3rem;
    }
}