/* ══════ VARIABLES ══════ */
:root {
    --rojo: #C8102E;
    --rojo-dark: #9B0A1E;
    --negro: #1A1A1A;
    --gris-oscuro: #2D2D2D;
    --gris: #5A5A5A;
    --gris-claro: #F5F5F5;
    --blanco: #FFFFFF;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--gris-oscuro);
    background: var(--blanco);
    line-height: 1.6;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

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

/* ══════ NAV ══════ */
#navbar {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s;
}

#navbar.scrolled {
    background: rgba(26,26,26,0.95);
    backdrop-filter: blur(10px);
    padding: 12px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

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

.nav-logo img { height: 40px; }

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    font-family: 'Montserrat', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: rgba(255,255,255,0.7);
    transition: color 0.3s;
    letter-spacing: 0.3px;
}

.nav-links a:hover { color: var(--blanco); }

.nav-cta {
    background: var(--rojo) !important;
    color: var(--blanco) !important;
    padding: 10px 24px;
    border-radius: 6px;
    transition: background 0.3s, transform 0.2s !important;
}

.nav-cta:hover {
    background: var(--rojo-dark) !important;
    transform: translateY(-1px);
}

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

.nav-toggle span {
    width: 24px; height: 2px;
    background: var(--blanco);
    border-radius: 2px;
    transition: all 0.3s;
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ══════ HERO ══════ */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--negro);
}

.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
}

.hero-bg img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: right center;
    opacity: 0.4;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg,
        rgba(26,26,26,0.95) 0%,
        rgba(26,26,26,0.7) 50%,
        rgba(200,16,46,0.1) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 24px 80px;
}

.hero-tag {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--rojo);
    padding: 8px 20px;
    border: 1.5px solid rgba(200,16,46,0.4);
    border-radius: 4px;
    margin-bottom: 24px;
}

.hero-content h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    color: var(--blanco);
    line-height: 1.1;
    max-width: 700px;
    margin-bottom: 20px;
}

.hero-content h1 span { color: var(--rojo); }

.hero-content p {
    font-size: 18px;
    font-weight: 300;
    color: rgba(255,255,255,0.6);
    max-width: 520px;
    line-height: 1.8;
    margin-bottom: 36px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 700;
    padding: 14px 32px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background: var(--rojo-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(200,16,46,0.3);
}

.btn-ghost {
    background: transparent;
    color: var(--blanco);
    border: 1.5px solid rgba(255,255,255,0.25);
}

.btn-ghost:hover {
    border-color: var(--blanco);
    transform: translateY(-2px);
}

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

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.3);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ══════ SECTIONS ══════ */
.section { padding: 100px 0; }

.section-dark { background: var(--negro); }
.section-accent {
    background: linear-gradient(135deg, var(--negro) 0%, #2D1A1A 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--rojo);
    margin-bottom: 12px;
}

.section-header h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 800;
    color: var(--negro);
    margin-bottom: 12px;
}

.section-header p {
    font-size: 16px;
    color: var(--gris);
    max-width: 500px;
    margin: 0 auto;
}

.section-header-light h2 { color: var(--blanco); }
.section-header-light p { color: rgba(255,255,255,0.5); }

/* ══════ ABOUT ══════ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.about-text p {
    font-size: 16px;
    color: var(--gris);
    line-height: 1.9;
    margin-bottom: 16px;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.stat-card {
    background: var(--gris-claro);
    border-radius: 12px;
    padding: 28px;
    text-align: center;
    transition: transform 0.3s;
}

.stat-card:hover { transform: translateY(-4px); }

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 32px;
    font-weight: 900;
    color: var(--rojo);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--gris);
}

/* ══════ BRANDS ══════ */
.brands-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.brand-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 28px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
}

.brand-card:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-4px);
    border-color: rgba(200,16,46,0.3);
}

.brand-name {
    font-family: 'Montserrat', sans-serif;
    font-size: 20px;
    font-weight: 800;
    color: var(--blanco);
    margin-bottom: 8px;
}

.brand-desc {
    font-size: 13px;
    color: rgba(255,255,255,0.45);
    line-height: 1.5;
    margin-bottom: 14px;
}

.brand-tier {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 20px;
}

.premium-tier { background: rgba(212,175,55,0.15); color: #D4AF37; }
.alt-tier { background: rgba(66,165,245,0.15); color: #42A5F5; }

/* ══════ SERVICES ══════ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    padding: 36px;
    border-radius: 12px;
    border: 1px solid #ECECEC;
    transition: all 0.3s;
}

.service-card:hover {
    border-color: rgba(200,16,46,0.2);
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
    transform: translateY(-4px);
}

.service-icon {
    width: 56px; height: 56px;
    border-radius: 12px;
    background: #FFF3F5;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--rojo);
}

.service-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--negro);
    margin-bottom: 8px;
}

.service-card p {
    font-size: 14px;
    color: var(--gris);
    line-height: 1.7;
}

/* ══════ DIFERENCIADORES ══════ */
.diff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.diff-item {
    padding: 36px;
    border-radius: 12px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    transition: all 0.3s;
}

.diff-item:hover {
    background: rgba(255,255,255,0.07);
    transform: translateY(-4px);
}

.diff-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 36px;
    font-weight: 900;
    color: var(--rojo);
    opacity: 0.4;
    margin-bottom: 12px;
    line-height: 1;
}

.diff-item h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--blanco);
    margin-bottom: 8px;
}

.diff-item p {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    line-height: 1.7;
}

/* ══════ CONTACTO ══════ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 16px; }

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--gris-claro);
    border-radius: 10px;
    transition: transform 0.2s;
}

.contact-card:hover { transform: translateX(4px); }

.contact-icon {
    flex-shrink: 0;
    width: 44px; height: 44px;
    border-radius: 10px;
    background: var(--blanco);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--rojo);
}

.contact-icon-wa { background: #25D366; color: var(--blanco); }

.contact-card h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: var(--negro);
    margin-bottom: 4px;
}

.contact-card a, .contact-card p {
    font-size: 13px;
    color: var(--gris);
    line-height: 1.5;
}

.contact-card a:hover { color: var(--rojo); }

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group-full { grid-column: 1 / -1; }

.form-group label {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 600;
    color: var(--negro);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid #E0E0E0;
    border-radius: 8px;
    font-family: 'Open Sans', sans-serif;
    font-size: 14px;
    color: var(--negro);
    transition: border-color 0.3s;
    background: var(--blanco);
}

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

.form-group textarea { resize: vertical; }

.contact-form .btn { margin-top: 8px; grid-column: 1 / -1; }

/* ══════ FOOTER ══════ */
footer {
    background: var(--negro);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-logo {
    height: 40px;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
    opacity: 0.6;
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255,255,255,0.4);
    line-height: 1.7;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.3);
    margin-bottom: 16px;
}

.footer-links a,
.footer-contact a,
.footer-contact p {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 10px;
    transition: color 0.3s;
}

.footer-links a:hover,
.footer-contact a:hover { color: var(--rojo); }

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255,255,255,0.25);
}

/* ══════ WHATSAPP FLOAT ══════ */
.wa-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    z-index: 999;
    transition: transform 0.3s, box-shadow 0.3s;
}

.wa-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(37,211,102,0.5);
}

/* ══════ ANIMATIONS ══════ */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ══════ RESPONSIVE ══════ */
@media (max-width: 968px) {
    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(26,26,26,0.98);
        padding: 24px;
        gap: 20px;
    }
    .nav-toggle { display: flex; }
    .about-grid { grid-template-columns: 1fr; }
    .brands-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: 1fr 1fr; }
    .diff-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .contact-form { grid-template-columns: 1fr; }
    .form-group-full { grid-column: auto; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 640px) {
    .section { padding: 64px 0; }
    .brands-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .diff-grid { grid-template-columns: 1fr; }
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; justify-content: center; }
}