/* Custom Properties - PPA Brand Colors & New Design System */
:root {
    --ppa-orange: #F07D00;
    --ppa-orange-dark: #D86A00;
    --ppa-yellow: #FFB300;
    --ppa-blue: #00296B;
    --ppa-blue-light: #004099;
    --ppa-light: #F4F6F9;
    --ppa-dark: #0D0D1F;
    
    --text-main: #2D3748;
    --text-muted: #718096;
    --bg-white: #FFFFFF;
    
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 25px rgba(26, 26, 58, 0.15);
    --shadow-lg: 0 20px 40px rgba(26, 26, 58, 0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--ppa-blue);
    font-weight: 800;
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(135deg, var(--ppa-orange), var(--ppa-yellow));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Navbar (Deep Blue/Transparent) */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 5%;
    background: transparent;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 16px 5%;
    background: rgba(0, 41, 107, 0.85); /* 85% opacidad del ppa-blue */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.logo {
    display: flex;
    align-items: center;
    cursor: pointer;
    text-decoration: none;
}

.brand-logo {
    height: 135px; /* Logo muchísimo más grande como se solicitó */
    width: auto;
    max-width: 400px;
    object-fit: contain;
    margin: -15px 0; /* Para que no agrande tanto la barra en sí */
    transition: var(--transition);
}

.navbar.scrolled .brand-logo {
    height: 75px; /* Achicamos al hacer scroll para que no quite tanto espacio */
}

.brand-logo:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

.brand-logo-footer {
    height: 95px;
    width: auto;
    max-width: 400px;
    object-fit: contain;
    filter: drop-shadow(0 2px 10px rgba(0,0,0,0.3));
    transition: var(--transition);
}

.brand-logo-footer:hover {
    opacity: 0.9;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: white; 
    font-weight: 500;
    font-size: 16px;
    position: relative;
    padding: 5px 0;
    transition: var(--transition);
    opacity: 0.9;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--ppa-orange);
    transition: var(--transition);
    border-radius: 2px;
}

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

.nav-links a:hover {
    color: var(--ppa-orange);
    opacity: 1;
}

.nav-cta {
    background: rgba(240, 125, 0, 0.15) !important;
    border: 1px solid var(--ppa-orange);
    padding: 8px 18px !important;
    border-radius: 50px;
    color: var(--ppa-orange) !important;
}

.nav-cta:hover {
    background: var(--ppa-orange) !important;
    color: white !important;
}

/* Remove hover line from CTA button */
.nav-cta::after {
    display: none !important;
}

.navbar.scrolled .nav-cta {
    background: var(--ppa-orange) !important;
    color: white !important;
    border-color: var(--ppa-orange);
}

.navbar.scrolled .nav-cta:hover {
    background: var(--ppa-orange-dark) !important;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: white;
    cursor: pointer;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--ppa-orange) 0%, var(--ppa-orange-dark) 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    box-shadow: 0 8px 20px rgba(240, 125, 0, 0.3);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(240, 125, 0, 0.4);
}

.btn-primary i {
    margin-left: 8px;
    font-size: 14px;
    transition: transform 0.3s ease;
}

.btn-primary:hover i {
    transform: translateX(4px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    border: 1px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(5px);
    transition: var(--transition);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
}

.btn-secondary i {
    margin-right: 8px;
    font-size: 18px;
    color: #25D366;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-color: var(--ppa-blue);
    background-image: radial-gradient(circle at 80% -20%, var(--ppa-blue-light) 0%, var(--ppa-blue) 100%);
    overflow: hidden;
    padding: 120px 5% 60px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: repeating-radial-gradient(circle at right bottom, transparent, transparent 60px, rgba(240,125,0,0.04) 61px, rgba(255,255,255,0.05) 62px);
    z-index: 0;
    pointer-events: none;
}

.hero-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(240, 125, 0, 0.15);
    border: 1px solid rgba(240, 125, 0, 0.3);
    color: var(--ppa-orange);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(40px, 5vw, 64px);
    color: white;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 40px;
    max-width: 500px;
}

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

/* Hero Visuals (Images) */
.hero-visual {
    position: relative;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 650px;
    border-radius: 24px;
    z-index: 2;
}

.real-hero-image {
    width: 100%;
    height: auto;
    border-radius: 24px;
    display: block;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5), 0 0 50px rgba(240, 125, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: scale(1.02);
    transition: var(--transition);
}

.real-hero-image:hover {
    transform: scale(1.04);
    box-shadow: 0 40px 80px rgba(0,0,0,0.6), 0 0 70px rgba(240, 125, 0, 0.3);
}

.floating-glass {
    position: absolute;
    bottom: -30px;
    left: -40px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    z-index: 3;
    animation: float 6s ease-in-out infinite;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.glass-icon.sm {
    width: 40px;
    height: 40px;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(40, 167, 69, 0.2);
    color: #28a745;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.glass-text h4 {
    color: white;
    font-size: 15px;
    margin: 0;
}

.glass-text span {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

/* Background Shapes */
.hero-shapes {
    position: absolute;
    right: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
}

.shape-1 {
    position: absolute;
    right: 5%;
    top: 10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--ppa-orange) 0%, transparent 60%);
    opacity: 0.15;
    border-radius: 50%;
    filter: blur(60px);
}

.shape-2 {
    position: absolute;
    left: 40%;
    bottom: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--ppa-yellow) 0%, transparent 60%);
    opacity: 0.08;
    border-radius: 50%;
    filter: blur(40px);
}

/* Trust Bar (New SEO/Local focus) */
.trust-bar {
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 20px 5%;
    position: relative;
    z-index: 5;
    margin-top: -10px;
}

.trust-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    color: var(--text-muted);
    font-size: 15px;
}

.trust-item i {
    color: #28a745;
}

/* Category Cards Grid */
.category-cards-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    padding: 20px 0;
}

.category-card {
    background: white;
    padding: 30px 20px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(240, 125, 0, 0.1);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--ppa-orange);
}

.category-icon-wrapper {
    width: 70px;
    height: 70px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-fa {
    font-size: 40px;
    color: var(--ppa-orange);
    font-weight: 300; /* mimic lightweight line icons */
}

.category-card h4 {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    line-height: 1.4;
    margin: 0;
}

/* Tabbed Catalog Section */
.catalog-container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--ppa-light);
}

.catalog-tabs {
    display: flex;
    flex-wrap: wrap;
    background: #f8f9fa;
    border-bottom: 2px solid var(--ppa-light);
}

.tab-btn {
    flex: 1;
    min-width: 150px;
    padding: 20px 10px;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.tab-btn:hover {
    color: var(--ppa-blue);
    background: white;
}

.tab-btn.active {
    color: var(--ppa-orange);
    border-bottom-color: var(--ppa-orange);
    background: white;
}

.tab-pane {
    display: none;
    padding: 40px;
    animation: fadeIn 0.4s ease-out;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.pane-subtitle {
    font-size: 20px;
    color: var(--ppa-blue);
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.tech-card {
    background: #fff;
    border: 1px solid #eaeaea;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.tech-card:hover {
    box-shadow: var(--shadow-sm);
    border-color: #ddd;
}

.tech-card img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 15px;
}

.tech-card h4 {
    font-size: 15px;
    color: var(--ppa-blue);
    margin-bottom: 10px;
}

.catalog-wa-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    width: fit-content;
    margin: 12px auto 0;
    background: #25D366;
    color: white;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    transition: var(--transition);
}

.catalog-wa-btn:hover {
    background: #128C7E;
    transform: translateY(-2px);
    color: white;
}

.tech-badge {
    display: inline-block;
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
    background: #eceff1;
    color: #546e7a;
}

.tech-badge.jetflex {
    background: rgba(240, 125, 0, 0.1);
    color: var(--ppa-orange);
}

.tech-badge.industrial {
    background: rgba(42, 42, 90, 0.1);
    color: var(--ppa-blue);
}

/* Sections General */
.section {
    padding: 120px 5%;
}

.section-title {
    text-align: center;
    margin-bottom: 70px;
}

.section-title h2 {
    font-size: 44px;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--ppa-orange);
    border-radius: 2px;
}

.section-title p {
    color: var(--text-muted);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

.bg-light {
    background-color: var(--ppa-light);
}

/* Products Cards Refined (Image Cards) */
.grid-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.card.premium-card {
    background: white;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
    position: relative;
    overflow: hidden;
    z-index: 1;
    display: flex;
    flex-direction: column;
}

.img-card {
    padding: 0 !important;
}

.card-img-top {
    width: 100%;
    height: 220px;
    position: relative;
    overflow: hidden;
}

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

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

.badge-overlay {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--ppa-orange);
    color: white;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.card-body {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-body h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.card-body p {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 24px;
}

.btn-text {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    color: var(--ppa-orange);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.btn-text i {
    margin-left: 8px;
    transition: transform 0.3s;
}

.btn-text:hover {
    color: var(--ppa-orange-dark);
}

.btn-text:hover i {
    transform: translateX(4px);
}

.card.premium-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(240, 125, 0, 0.1);
}

/* Features Grid (Why choose us) */
.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.feature-box {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 20px;
    border: 1px solid var(--ppa-light);
    transition: var(--transition);
}

.feature-box:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.f-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: rgba(240, 125, 0, 0.1);
    color: var(--ppa-orange);
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.feature-box h4 {
    font-size: 20px;
    margin-bottom: 12px;
}

.feature-box p {
    font-size: 15px;
    color: var(--text-muted);
}

/* Gallery / Casos reales / Social Proof */
.gallery-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.gallery-item {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: transform 0.8s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-caption {
    background: white;
    padding: 20px;
    border-top: 3px solid var(--ppa-orange);
}

.gallery-caption h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.gallery-caption p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
}

/* Testimonials */
.testimonials-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
}

.stars {
    color: var(--ppa-yellow);
    font-size: 20px;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.review {
    font-size: 16px;
    font-style: italic;
    color: var(--text-main);
    margin-bottom: 24px;
    line-height: 1.6;
}

.author {
    display: flex;
    align-items: center;
    gap: 16px;
    border-top: 1px solid var(--ppa-light);
    padding-top: 20px;
}

.avatar {
    width: 48px;
    height: 48px;
    background: var(--ppa-light);
    color: var(--ppa-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.author strong {
    display: block;
    font-size: 16px;
    color: var(--ppa-blue);
}

.author span {
    font-size: 13px;
    color: var(--text-muted);
}

/* Contact Section Refined for Lead Gen */
.contact-box {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    background: white;
    border-radius: 32px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.contact-info {
    background: linear-gradient(135deg, var(--ppa-blue) 0%, var(--ppa-blue-light) 100%);
    color: white;
    padding: 60px 48px;
    position: relative;
    overflow: hidden;
}

.contact-info::before {
    content: '';
    position: absolute;
    bottom: -80px;
    right: -80px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--ppa-orange) 0%, transparent 70%);
    opacity: 0.25;
    border-radius: 50%;
}

.contact-info::after {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.contact-info h2 {
    color: white;
    font-size: 36px;
    margin-bottom: 16px;
}

.contact-info p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 40px;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: relative;
    z-index: 2;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 16px;
    color: white;
    text-decoration: none;
}

.info-item i {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--ppa-orange);
    transition: var(--transition);
}

.info-item.hover-effect:hover i {
    background: var(--ppa-orange);
    color: white;
    transform: scale(1.1);
}

.contact-form-container {
    padding: 60px 48px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: var(--ppa-blue);
}

.contact-form input, .contact-form textarea, .contact-form select {
    width: 100%;
    padding: 16px;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    font-family: 'Outfit', sans-serif;
    font-size: 15px;
    transition: var(--transition);
    background: var(--ppa-light);
    color: var(--text-main);
}

.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
    outline: none;
    border-color: var(--ppa-orange);
    background: white;
    box-shadow: 0 0 0 4px rgba(240, 125, 0, 0.1);
}

/* Input Wrappers & Icons */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    color: #A0AEC0;
    font-size: 16px;
    transition: var(--transition);
    pointer-events: none;
}

.text-area-icon {
    top: 18px;
    align-items: flex-start;
}

.contact-form input, .contact-form select {
    padding-left: 45px;
}

.contact-form textarea {
    padding-left: 45px;
}

/* Focus and Valid States */
.contact-form input:focus ~ .input-icon, 
.contact-form textarea:focus ~ .input-icon, 
.contact-form select:focus ~ .input-icon,
.input-wrapper:focus-within .input-icon {
    color: var(--ppa-orange);
}

.contact-form input:not(:placeholder-shown):valid,
.contact-form textarea:not(:placeholder-shown):valid {
    border-color: #38A169;
    background-color: #F0FFF4;
}

.contact-form input:not(:placeholder-shown):valid ~ .input-icon,
.contact-form textarea:not(:placeholder-shown):valid ~ .input-icon {
    color: #38A169;
}

.full-width {
    width: 100%;
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    padding: 20px;
}

.faq-item {
    border-bottom: 1px solid var(--ppa-light);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 24px 20px;
    font-family: inherit;
    font-size: 18px;
    font-weight: 600;
    color: var(--ppa-blue);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--ppa-orange);
}

.faq-question i {
    color: var(--ppa-orange);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 20px 24px;
}

.faq-answer p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.6;
}

/* Footer Refined */
footer {
    background: linear-gradient(160deg, var(--ppa-blue) 0%, #00153D 100%);
    color: rgba(255,255,255,0.7);
    padding-top: 80px;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ppa-blue-light) 0%, var(--ppa-orange) 50%, var(--ppa-blue-light) 100%);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5% 60px;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr 1.2fr;
    gap: 40px;
}

.footer-logo {
    display: flex;
    align-items: baseline;
    margin-bottom: 20px;
    text-decoration: none;
}

.footer-brand p {
    margin-bottom: 24px;
    font-size: 15px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--ppa-orange);
    border-color: var(--ppa-orange);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: white;
    font-size: 18px;
    margin-bottom: 24px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links i {
    font-size: 12px;
    color: var(--ppa-orange);
    opacity: 0;
    transform: translateX(-5px);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--ppa-orange);
}

.footer-links a:hover i {
    opacity: 1;
    transform: translateX(0);
}

.location-text {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.location-text i {
    color: var(--ppa-orange);
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
    height: 150px;
    border: 2px solid #2d3748;
}

.schedule-box {
    margin-bottom: 20px;
}

.schedule-item {
    margin-bottom: 10px;
}

.schedule-item strong {
    display: block;
    color: white;
    font-weight: 500;
}

.support-text {
    margin-bottom: 20px;
    font-size: 14px;
}

.btn-sm {
    padding: 10px 20px !important;
    font-size: 14px !important;
}

.footer-bottom {
    text-align: center;
    padding: 24px 5%;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 14px;
    color: #718096;
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 999;
    text-decoration: none;
    outline: none;
}

.whatsapp-icon {
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    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);
    position: relative;
    z-index: 2;
}

.whatsapp-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    border: 2px solid #25D366;
    animation: pulse-border 2s linear infinite;
    z-index: -1;
}

.whatsapp-tooltip {
    background: white;
    color: var(--text-main);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateX(20px);
    transition: var(--transition);
    pointer-events: none;
}

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

.whatsapp-tooltip.auto-show,
.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

@keyframes pulse-border {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.4); opacity: 0; }
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .hero h1 { font-size: 40px; }
    .hero p { margin: 0 auto 30px; }
    .hero-buttons { justify-content: center; }
    .floating-glass { left: 50%; transform: translateX(-50%) !important; bottom: -20px; }
    
    .trust-container { justify-content: center; }
    
    .contact-box { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .navbar {
        background: var(--ppa-blue);
    }
    .nav-links {
        position: fixed;
        right: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--ppa-blue);
        width: 100%;
        height: calc(100vh - 70px);
        text-align: center;
        padding-top: 50px;
        transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        gap: 24px;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
    }
    .nav-links.active { right: 0; }
    .mobile-toggle { display: block; }
    
    .section { padding: 80px 5%; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .contact-info, .contact-form-container { padding: 40px 30px; }
    .footer-container { grid-template-columns: 1fr; }
    
    .whatsapp-tooltip { display: none; }
    .whatsapp-float { bottom: 20px; right: 20px; }
    
    .brand-logo { height: 70px; } /* En móvil no lo hacemos tan gigante */
}

/* Product Details Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 13, 31, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    width: 100%;
    max-width: 850px;
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    overflow: hidden;
    transform: translateY(30px) scale(0.98);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #f1f5f9;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 24px;
    color: #64748b;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
}

.close-modal:hover {
    background: #e2e8f0;
    color: var(--ppa-blue);
    transform: rotate(90deg);
}

.modal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.modal-left {
    background: #f8fafc;
    padding: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.modal-image-container {
    position: relative;
    width: 100%;
    max-width: 320px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
}

#modal-main-img {
    width: 100%;
    height: auto;
    object-fit: contain;
    mix-blend-mode: multiply;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border: 1px solid #e2e8f0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #64748b;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.slider-btn:hover {
    background: var(--ppa-orange);
    color: white;
    border-color: var(--ppa-orange);
}

.prev-btn { left: -10px; }
.next-btn { right: -10px; }

.slider-dots {
    display: flex;
    gap: 8px;
}

.slider-dots .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #cbd5e1;
    cursor: pointer;
    transition: var(--transition);
}

.slider-dots .dot.active {
    width: 24px;
    background: var(--ppa-orange);
    border-radius: 4px;
}

.modal-right {
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
}

.modal-right h2 {
    font-size: 32px;
    margin-bottom: 15px;
    color: var(--ppa-blue);
}

.modal-description {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 30px;
}

.tech-specs-container h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--ppa-blue-light);
    font-weight: 600;
}

.tech-specs-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tech-specs-list li {
    display: flex;
    padding-bottom: 12px;
}

.spec-label {
    flex: 1;
    font-size: 15px;
    color: #475569;
    font-weight: 400;
}

.spec-value {
    flex: 2;
    font-size: 15px;
    color: #94a3b8;
}

/* Modal Responsive */
@media (max-width: 900px) {
    .modal-grid { grid-template-columns: 1fr; }
    .modal-left { padding: 40px 20px; }
    .modal-image-container { max-width: 200px; }
    .prev-btn { left: 10px; }
    .next-btn { right: 10px; }
    .modal-right { padding: 40px 20px; }
    .modal-right h2 { font-size: 26px; }
}

/* ==========================================================
   VARIANT SELECTOR (temporary design review toolbar)
   ========================================================== */
.variant-selector {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(0, 20, 60, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 50px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    max-width: 90vw;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(240,125,0,0.4) transparent;
}

.variant-selector::-webkit-scrollbar {
    height: 4px;
}
.variant-selector::-webkit-scrollbar-track {
    background: transparent;
}
.variant-selector::-webkit-scrollbar-thumb {
    background: rgba(240,125,0,0.4);
    border-radius: 4px;
}

.variant-label {
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.variant-btn {
    min-width: 32px;
    width: 32px;
    height: 32px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.7);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Outfit', sans-serif;
    flex-shrink: 0;
}

.variant-btn:hover {
    background: rgba(240,125,0,0.3);
    border-color: var(--ppa-orange);
    color: white;
    transform: scale(1.1);
}

.variant-btn.active {
    background: var(--ppa-orange);
    border-color: var(--ppa-orange);
    color: white;
    box-shadow: 0 0 16px rgba(240,125,0,0.5);
}

/* =====================================================
   HERO BACKGROUND VARIANTS (1-20)
   ===================================================== */

/* V1: Original — already in .hero base styles */

/* V2: Diagonal stripes */
.hero.variant-2 {
    background-color: var(--ppa-blue);
    background-image:
        repeating-linear-gradient(-45deg, transparent, transparent 40px, rgba(240,125,0,0.06) 40px, rgba(240,125,0,0.06) 42px),
        radial-gradient(circle at 80% -20%, var(--ppa-blue-light) 0%, var(--ppa-blue) 100%);
}
.hero.variant-2::before { background-image: none; }

/* V3: Mesh gradient (multi-blob) */
.hero.variant-3 {
    background-color: var(--ppa-blue);
    background-image:
        radial-gradient(ellipse at 0% 0%, rgba(240,125,0,0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 100%, rgba(255,179,0,0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(0,64,153,0.4) 0%, transparent 60%),
        radial-gradient(circle at 80% -20%, var(--ppa-blue-light) 0%, var(--ppa-blue) 100%);
}
.hero.variant-3::before { background-image: none; }

/* V4: Dot grid */
.hero.variant-4 {
    background-color: var(--ppa-blue);
    background-image:
        radial-gradient(circle, rgba(240,125,0,0.12) 1.5px, transparent 1.5px),
        radial-gradient(circle at 80% -20%, var(--ppa-blue-light) 0%, var(--ppa-blue) 100%);
    background-size: 30px 30px, 100% 100%;
}
.hero.variant-4::before { background-image: none; }

/* V5: Tech circuit grid */
.hero.variant-5 {
    background-color: var(--ppa-blue);
    background-image:
        linear-gradient(rgba(240,125,0,0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(240,125,0,0.07) 1px, transparent 1px),
        radial-gradient(circle at 30% 70%, rgba(240,125,0,0.12) 0%, transparent 40%),
        radial-gradient(circle at 80% -20%, var(--ppa-blue-light) 0%, var(--ppa-blue) 100%);
    background-size: 60px 60px, 60px 60px, 100% 100%, 100% 100%;
}
.hero.variant-5::before { background-image: none; }

/* V6: Clean minimal */
.hero.variant-6 {
    background-color: var(--ppa-blue);
    background-image: linear-gradient(160deg, #001845 0%, var(--ppa-blue) 40%, var(--ppa-blue-light) 100%);
}
.hero.variant-6::before { background-image: none; }
.hero.variant-6 .hero-shapes .shape-1,
.hero.variant-6 .hero-shapes .shape-2 { opacity: 0.06; }

/* V7: Aurora boreal */
.hero.variant-7 {
    background-color: #001233;
    background-image:
        radial-gradient(ellipse at 20% 80%, rgba(240,125,0,0.25) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0,100,200,0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 0%, rgba(255,179,0,0.15) 0%, transparent 60%),
        linear-gradient(180deg, #001233 0%, var(--ppa-blue) 100%);
}
.hero.variant-7::before { background-image: none; }

/* V8: Hexágonos (honeycomb) */
.hero.variant-8 {
    background-color: var(--ppa-blue);
    background-image:
        linear-gradient(30deg, rgba(240,125,0,0.05) 12%, transparent 12.5%, transparent 87%, rgba(240,125,0,0.05) 87.5%),
        linear-gradient(150deg, rgba(240,125,0,0.05) 12%, transparent 12.5%, transparent 87%, rgba(240,125,0,0.05) 87.5%),
        linear-gradient(30deg, rgba(240,125,0,0.05) 12%, transparent 12.5%, transparent 87%, rgba(240,125,0,0.05) 87.5%),
        linear-gradient(150deg, rgba(240,125,0,0.05) 12%, transparent 12.5%, transparent 87%, rgba(240,125,0,0.05) 87.5%),
        linear-gradient(60deg, rgba(255,179,0,0.04) 25%, transparent 25.5%, transparent 75%, rgba(255,179,0,0.04) 75%),
        linear-gradient(60deg, rgba(255,179,0,0.04) 25%, transparent 25.5%, transparent 75%, rgba(255,179,0,0.04) 75%),
        radial-gradient(circle at 80% -20%, var(--ppa-blue-light) 0%, var(--ppa-blue) 100%);
    background-size: 80px 140px, 80px 140px, 80px 140px, 80px 140px, 80px 140px, 80px 140px, 100% 100%;
    background-position: 0 0, 0 0, 40px 70px, 40px 70px, 0 0, 40px 70px, 0 0;
}
.hero.variant-8::before { background-image: none; }

/* V9: Ondas radiales (concentric waves) */
.hero.variant-9 {
    background-color: var(--ppa-blue);
    background-image:
        repeating-radial-gradient(circle at 70% 60%, transparent, transparent 40px, rgba(240,125,0,0.04) 41px, transparent 42px),
        repeating-radial-gradient(circle at 30% 30%, transparent, transparent 60px, rgba(255,255,255,0.03) 61px, transparent 62px),
        radial-gradient(circle at 80% -20%, var(--ppa-blue-light) 0%, var(--ppa-blue) 100%);
}
.hero.variant-9::before { background-image: none; }

/* V10: Diamantes (diamond pattern) */
.hero.variant-10 {
    background-color: var(--ppa-blue);
    background-image:
        linear-gradient(45deg, rgba(240,125,0,0.05) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(240,125,0,0.05) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(240,125,0,0.05) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(240,125,0,0.05) 75%),
        radial-gradient(circle at 80% -20%, var(--ppa-blue-light) 0%, var(--ppa-blue) 100%);
    background-size: 50px 50px, 50px 50px, 50px 50px, 50px 50px, 100% 100%;
    background-position: 0 0, 0 25px, 25px -25px, -25px 0, 0 0;
}
.hero.variant-10::before { background-image: none; }

/* V11: Nebulosa (deep space) */
.hero.variant-11 {
    background-color: #000d24;
    background-image:
        radial-gradient(ellipse at 15% 50%, rgba(240,125,0,0.2) 0%, transparent 40%),
        radial-gradient(ellipse at 85% 30%, rgba(0,64,153,0.35) 0%, transparent 45%),
        radial-gradient(ellipse at 50% 90%, rgba(255,179,0,0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 10%, rgba(0,41,107,0.4) 0%, transparent 50%),
        linear-gradient(180deg, #000d24 0%, #001845 50%, var(--ppa-blue) 100%);
}
.hero.variant-11::before { background-image: none; }

/* V12: Rayas horizontales finas */
.hero.variant-12 {
    background-color: var(--ppa-blue);
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(240,125,0,0.04) 3px, rgba(240,125,0,0.04) 4px),
        radial-gradient(ellipse at 70% 30%, rgba(0,64,153,0.3) 0%, transparent 60%),
        radial-gradient(circle at 80% -20%, var(--ppa-blue-light) 0%, var(--ppa-blue) 100%);
}
.hero.variant-12::before { background-image: none; }

/* V13: Topografía (contour lines) */
.hero.variant-13 {
    background-color: var(--ppa-blue);
    background-image:
        repeating-radial-gradient(circle at 20% 50%, transparent, transparent 30px, rgba(240,125,0,0.04) 31px, transparent 32px),
        repeating-radial-gradient(circle at 80% 40%, transparent, transparent 45px, rgba(255,255,255,0.03) 46px, transparent 47px),
        repeating-radial-gradient(circle at 50% 80%, transparent, transparent 55px, rgba(240,125,0,0.03) 56px, transparent 57px),
        radial-gradient(circle at 80% -20%, var(--ppa-blue-light) 0%, var(--ppa-blue) 100%);
}
.hero.variant-13::before { background-image: none; }

/* V14: Estrellas / Starfield */
.hero.variant-14 {
    background-color: #000a1f;
    background-image:
        radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 30% 65%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 55% 15%, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 70% 80%, rgba(240,125,0,0.5), transparent),
        radial-gradient(1px 1px at 85% 40%, rgba(255,255,255,0.3), transparent),
        radial-gradient(1.5px 1.5px at 20% 85%, rgba(240,125,0,0.6), transparent),
        radial-gradient(1px 1px at 45% 45%, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 92% 10%, rgba(255,179,0,0.5), transparent),
        radial-gradient(1px 1px at 60% 55%, rgba(255,255,255,0.3), transparent),
        radial-gradient(1.5px 1.5px at 5% 50%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 78% 25%, rgba(255,255,255,0.3), transparent),
        radial-gradient(1px 1px at 35% 35%, rgba(240,125,0,0.4), transparent),
        radial-gradient(ellipse at 50% 100%, rgba(0,41,107,0.5) 0%, transparent 60%),
        linear-gradient(180deg, #000a1f 0%, #001233 100%);
}
.hero.variant-14::before { background-image: none; }

/* V15: Degradé angular (conic) */
.hero.variant-15 {
    background-color: var(--ppa-blue);
    background-image:
        conic-gradient(from 180deg at 70% 50%, rgba(0,41,107,0) 0deg, rgba(240,125,0,0.1) 90deg, rgba(0,41,107,0) 180deg, rgba(0,64,153,0.15) 270deg, rgba(0,41,107,0) 360deg),
        radial-gradient(circle at 80% -20%, var(--ppa-blue-light) 0%, var(--ppa-blue) 100%);
}
.hero.variant-15::before { background-image: none; }

/* V16: Bloques / Squares */
.hero.variant-16 {
    background-color: var(--ppa-blue);
    background-image:
        linear-gradient(45deg, rgba(240,125,0,0.04) 25%, transparent 25%, transparent 75%, rgba(240,125,0,0.04) 75%),
        linear-gradient(45deg, rgba(240,125,0,0.04) 25%, transparent 25%, transparent 75%, rgba(240,125,0,0.04) 75%),
        radial-gradient(circle at 80% -20%, var(--ppa-blue-light) 0%, var(--ppa-blue) 100%);
    background-size: 40px 40px, 40px 40px, 100% 100%;
    background-position: 0 0, 20px 20px, 0 0;
}
.hero.variant-16::before { background-image: none; }

/* V17: Zig-zag */
.hero.variant-17 {
    background-color: var(--ppa-blue);
    background-image:
        linear-gradient(135deg, rgba(240,125,0,0.06) 25%, transparent 25%),
        linear-gradient(225deg, rgba(240,125,0,0.06) 25%, transparent 25%),
        linear-gradient(315deg, rgba(240,125,0,0.06) 25%, transparent 25%),
        linear-gradient(45deg, rgba(240,125,0,0.06) 25%, transparent 25%),
        radial-gradient(circle at 80% -20%, var(--ppa-blue-light) 0%, var(--ppa-blue) 100%);
    background-size: 40px 40px, 40px 40px, 40px 40px, 40px 40px, 100% 100%;
}
.hero.variant-17::before { background-image: none; }

/* V18: Cruces (plus signs) */
.hero.variant-18 {
    background-color: var(--ppa-blue);
    background-image:
        linear-gradient(rgba(240,125,0,0.06) 2px, transparent 2px),
        linear-gradient(90deg, rgba(240,125,0,0.06) 2px, transparent 2px),
        linear-gradient(rgba(240,125,0,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(240,125,0,0.03) 1px, transparent 1px),
        radial-gradient(circle at 80% -20%, var(--ppa-blue-light) 0%, var(--ppa-blue) 100%);
    background-size: 80px 80px, 80px 80px, 20px 20px, 20px 20px, 100% 100%;
}
.hero.variant-18::before { background-image: none; }

/* V19: Bokeh circles */
.hero.variant-19 {
    background-color: var(--ppa-blue);
    background-image:
        radial-gradient(circle 80px at 15% 30%, rgba(240,125,0,0.08) 0%, transparent 100%),
        radial-gradient(circle 120px at 75% 70%, rgba(255,179,0,0.06) 0%, transparent 100%),
        radial-gradient(circle 60px at 60% 20%, rgba(0,100,200,0.1) 0%, transparent 100%),
        radial-gradient(circle 90px at 30% 80%, rgba(240,125,0,0.07) 0%, transparent 100%),
        radial-gradient(circle 50px at 90% 15%, rgba(255,179,0,0.08) 0%, transparent 100%),
        radial-gradient(circle 70px at 45% 55%, rgba(0,64,153,0.12) 0%, transparent 100%),
        radial-gradient(circle 100px at 10% 65%, rgba(255,255,255,0.04) 0%, transparent 100%),
        radial-gradient(circle 40px at 85% 50%, rgba(240,125,0,0.06) 0%, transparent 100%),
        radial-gradient(circle at 80% -20%, var(--ppa-blue-light) 0%, var(--ppa-blue) 100%);
}
.hero.variant-19::before { background-image: none; }

/* V20: Oscuro profundo (extra dark) */
.hero.variant-20 {
    background-color: #050a18;
    background-image:
        radial-gradient(ellipse at 50% 50%, rgba(0,41,107,0.3) 0%, transparent 70%),
        radial-gradient(ellipse at 80% 20%, rgba(240,125,0,0.08) 0%, transparent 40%),
        linear-gradient(180deg, #050a18 0%, #0a1530 50%, #0f1f45 100%);
}
.hero.variant-20::before { background-image: none; }
.hero.variant-20 .hero-shapes .shape-1 { opacity: 0.08; }
.hero.variant-20 .hero-shapes .shape-2 { opacity: 0.04; }

/* Responsive */
@media (max-width: 600px) {
    .variant-selector {
        bottom: 16px;
        padding: 8px 12px;
        gap: 5px;
        border-radius: 20px;
    }
    .variant-btn {
        min-width: 28px;
        width: 28px;
        height: 28px;
        font-size: 10px;
    }
    .variant-label {
        font-size: 11px;
    }
}