/* ============================================
   KOLPA EDITORES - GLOBAL (mobile-first, pro, rápido)
   Nota: Compatible con todos los navegadores
   ============================================ */

:root {
    /* Colores principales */
    --bg: #07070a;
    --card: rgba(255, 255, 255, 0.06);
    --text: rgba(255, 255, 255, 0.92);
    --muted: rgba(255, 255, 255, 0.72);

    /* Marca */
    --brand: #c41e3a;
    --brand2: #8b0000;
    --ok: #22c55e;

    /* Efectos */
    --radius: 18px;
    --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
    --shadow2: 0 12px 30px rgba(0, 0, 0, 0.28);
    --max: 1200px;

    /* Colores claros para modo claro */
    --bg-light: #ffffff;
    --text-light: #343A40;
    --muted-light: #6C757D;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
    background: radial-gradient(1200px 800px at 20% -10%, rgba(196, 30, 58, 0.22), transparent 60%),
                radial-gradient(900px 600px at 90% 0%, rgba(139, 0, 0, 0.18), transparent 55%),
                #06070a;
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.7;
    font-size: 16px;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 700;
    line-height: 1.3;
    color: #ffffff;
    margin: 0 0 1rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    margin: 0 0 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
}

::-webkit-scrollbar-thumb {
    background: var(--brand);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--brand2);
}

::selection {
    background: var(--brand);
    color: #ffffff;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
}

/* ============================================
   PRELOADER
   ============================================ */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #1A1A1A;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

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

.preloader-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 100%);
    color: #ffffff;
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 3rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    margin: 0 auto 1.5rem;
    animation: pulse 1.5s ease-in-out infinite;
}

.preloader-text {
    color: #ffffff;
    font-size: 0.875rem;
    letter-spacing: 4px;
    text-transform: uppercase;
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1); 
        box-shadow: 0 0 0 0 rgba(196, 30, 58, 0.4); 
    }
    50% { 
        transform: scale(1.05); 
        box-shadow: 0 0 30px 10px rgba(196, 30, 58, 0); 
    }
}

/* ============================================
   WHATSAPP FLOTANTE
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    z-index: 300;
    animation: float 3s ease-in-out infinite;
}

.whatsapp-float:hover {
    background: #128C7E;
    transform: scale(1.1);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    background: transparent;
    z-index: 200;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(26, 26, 26, 0.98);
    padding: 1rem 0;
    box-shadow: var(--shadow2);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo img {
    height: 50px;
    width: auto;
    transition: all 0.3s ease;
}

.header.scrolled .logo img {
    height: 40px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand);
    transition: all 0.3s ease;
}

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

.nav-link:hover,
.nav-link.active {
    color: #DC143C;
}

.nav-link i {
    font-size: 0.7rem;
    margin-left: 4px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.current-date {
    color: #ffffff;
    font-size: 0.85rem;
    opacity: 0.9;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: #ffffff;
    transition: all 0.3s ease;
}

.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);
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 100%);
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(196, 30, 58, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(196, 30, 58, 0.5);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--brand);
    color: var(--brand);
}

.btn-light {
    background: #ffffff;
    color: var(--brand);
}

.btn-light:hover {
    background: #f8f9fa;
    transform: translateY(-3px);
}

.btn-whatsapp {
    background: #25D366;
    color: #ffffff;
}

.btn-whatsapp:hover {
    background: #128C7E;
    transform: translateY(-3px);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(196, 30, 58, 0.2) 0%, rgba(139, 0, 0, 0.2) 100%);
    color: var(--brand);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(196, 30, 58, 0.3);
}

.section-tag.light {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.2);
}

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

.title-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.title-decoration span {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--brand), transparent);
}

.title-decoration i {
    color: var(--brand);
    font-size: 1.25rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: #1A1A1A;
    color: #CED4DA;
}

.footer-top {
    padding: 6rem 0 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
}

.footer-logo {
    height: 60px;
    margin-bottom: 1.5rem;
}

.footer-about p {
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--brand);
}

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--brand);
    padding-left: 0.5rem;
}

.footer-links i {
    font-size: 0.7rem;
    color: var(--brand);
}

.visitor-counter {
    margin-top: 2rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.visitor-counter i {
    color: var(--brand);
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    transition: all 0.3s ease;
}

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-contact i {
    color: var(--brand);
}

.footer-bottom {
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.footer-bottom a {
    color: var(--brand);
}

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

/* ============================================
   ANIMACIONES AOS
   ============================================ */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
    transition-duration: 0.6s;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 12px rgba(196, 30, 58, 0.4);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(196, 30, 58, 0.5);
}

/* ============================================
   NOTIFICATIONS
   ============================================ */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    padding: 15px 20px;
    background: #1a1a1a;
    color: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 10000;
    transform: translateX(120%);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    border-left: 4px solid #25D366;
}

.notification-error {
    border-left: 4px solid var(--brand);
}

.notification-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.notification-close:hover {
    opacity: 1;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: #1A1A1A;
        padding: 100px 2rem 2rem;
        transition: all 0.3s ease;
        box-shadow: var(--shadow);
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
    }

    .nav-link {
        display: block;
        padding: 1.5rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        width: 100%;
    }

    .menu-toggle {
        display: flex;
    }

    .current-date {
        display: none;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links a {
        justify-content: center;
    }

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

    .footer-contact p {
        justify-content: center;
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: 1rem;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .back-to-top {
        bottom: 90px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .section {
        padding: 4rem 0;
    }

    .btn {
        padding: 1rem 1.5rem;
        font-size: 0.8rem;
    }
}