/* ============================================
   RESET & BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0a4b6e;
    --primary-light: #1a6b94;
    --primary-dark: #062f48;
    --accent: #2ecc71;
    --accent-light: #55e68a;
    --gray-50: #f8fafc;
    --gray-100: #f1f4f8;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0b1a2e;
    --white: #ffffff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
    --shadow-xl: 0 30px 80px rgba(0,0,0,0.15);
    --radius: 6px;
    --radius-full: 9999px;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
    position: relative;
    z-index: 2;
}

/* ============================================
   BOTONES
   ============================================ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary);
    color: var(--white);
    padding: 14px 34px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 4px 16px rgba(10, 75, 110, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(10, 75, 110, 0.35);
}

.btn-primary i {
    font-size: 1rem;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 34px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* ============================================
   HEADER
   ============================================ */
header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: all var(--transition);
}

header.scrolled {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 4px 30px rgba(0,0,0,0.06);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
}

.logo i {
    font-size: 1.8rem;
    color: var(--accent);
}

.logo-text {
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-text .light {
    font-weight: 300;
    color: var(--gray-600);
}

.nav-links {
    display: flex;
    gap: 32px;
    font-weight: 500;
    font-size: 0.95rem;
    align-items: center;
}

.nav-links a {
    color: var(--gray-700);
    transition: color var(--transition);
    position: relative;
}

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

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

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

.nav-links a i {
    margin-right: 6px;
    font-size: 0.85rem;
}

.nav-cta {
    background: var(--primary);
    color: var(--white) !important;
    padding: 8px 20px;
    border-radius: var(--radius);
    font-weight: 600;
    transition: all var(--transition);
}

.nav-cta::after {
    display: none !important;
}

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

.hamburger {
    display: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--primary);
    padding: 4px;
}

/* ============================================
   HERO
   ============================================ */
.hero {
    padding: 160px 0 90px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(135deg, rgba(10, 75, 110, 0.92) 0%, rgba(6, 47, 72, 0.85) 100%),
        url('https://images.unsplash.com/photo-1509391366360-2e959784a276?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: var(--white);
    padding: 6px 20px;
    border-radius: var(--radius);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.hero-text h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3.6rem;
    line-height: 1.15;
    font-weight: 600;
    color: var(--white);
    letter-spacing: -1px;
}

.hero-text h1 .highlight {
    color: #5fc3e8;
    position: relative;
}

.hero-desc {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.85);
    max-width: 480px;
    margin: 20px 0 32px;
    line-height: 1.8;
}

.hero-desc strong {
    color: var(--white);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 44px;
}

.hero-actions .btn-outline {
    border-color: rgba(255,255,255,0.4);
    color: var(--white);
}

.hero-actions .btn-outline:hover {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.hero-stats .number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.5px;
}

.hero-stats .label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    font-weight: 500;
}

/* Hero Visual Card */
.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius);
    padding: 44px 40px 38px;
    max-width: 420px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition);
    border: 1px solid rgba(255,255,255,0.2);
}

.hero-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 40px 80px rgba(0,0,0,0.2);
}

.hero-card-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.hero-card-icon i {
    font-size: 2.4rem;
    color: var(--white);
}

.hero-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 6px;
}

.hero-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin-bottom: 18px;
}

.hero-card-tags {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.hero-card-tags span {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-card-tags span i {
    color: var(--accent);
    font-size: 0.7rem;
}

.hero-card-rating {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

.hero-card-rating i {
    color: #f1c40f;
    font-size: 0.9rem;
}

.hero-card-rating span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
}

/* ============================================
   SECTION HEADER (compartido)
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary);
    background: rgba(10, 75, 110, 0.08);
    padding: 4px 18px;
    border-radius: var(--radius);
    margin-bottom: 12px;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.6rem;
    font-weight: 600;
    color: var(--gray-900);
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--gray-600);
    max-width: 560px;
    margin: 12px auto 0;
}

/* ============================================
   ABOUT (SOBRE TECNOVIDA)
   ============================================ */
.about {
    padding: 90px 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--gray-200);
}

.about-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(180deg, rgba(10, 75, 110, 0.03) 0%, rgba(46, 204, 113, 0.02) 100%);
    z-index: 0;
}

.about .container {
    position: relative;
    z-index: 2;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.about-card {
    background: var(--gray-50);
    padding: 32px 30px;
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
    transition: all var(--transition);
}

.about-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.about-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.about-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.about-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
}

.about-card p strong {
    color: var(--primary);
}

/* Valores */
.about-values {
    text-align: center;
    margin-bottom: 50px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

.about-values h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.values-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px 30px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--gray-700);
}

.value-item i {
    font-size: 1.2rem;
    color: var(--primary);
    background: rgba(10, 75, 110, 0.08);
    padding: 8px;
    border-radius: var(--radius);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Líneas de negocio */
.about-business {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.business-card {
    background: var(--white);
    padding: 30px 28px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.business-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: var(--primary);
}

.business-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}

.business-icon i {
    font-size: 1.6rem;
    color: var(--white);
}

.business-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.business-card p {
    font-size: 0.92rem;
    color: var(--gray-600);
    line-height: 1.7;
}

.business-card p strong {
    color: var(--primary);
}

/* ============================================
   CERTIFICACIONES
   ============================================ */
.certifications {
    padding: 80px 0;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    max-width: 1000px;
    margin: 0 auto;
}

.cert-item {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    background: var(--white);
    padding: 24px 28px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
}

.cert-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.cert-item i {
    font-size: 2rem;
    color: var(--primary);
    background: rgba(10, 75, 110, 0.06);
    padding: 12px;
    border-radius: var(--radius);
    flex-shrink: 0;
    width: 54px;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-item h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.cert-item p {
    font-size: 0.92rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.cert-item p strong {
    color: var(--primary);
    font-weight: 600;
}

/* ============================================
   SERVICIOS
   ============================================ */
.services {
    padding: 90px 0;
    position: relative;
    overflow: hidden;
}

.services-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.85) 100%),
        url('https://images.unsplash.com/photo-1613665813446-82a78c468a1d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    z-index: 0;
    opacity: 0.4;
}

.services .container {
    position: relative;
    z-index: 2;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 28px;
}

.service-card {
    background: var(--white);
    padding: 36px 30px 32px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.service-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(10, 75, 110, 0.08), rgba(46, 204, 113, 0.08));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    transition: all var(--transition);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
}

.service-icon i {
    font-size: 1.6rem;
    color: var(--primary);
    transition: all var(--transition);
}

.service-card:hover .service-icon i {
    color: var(--white);
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 16px;
}

.service-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--gray-700);
    background: var(--gray-50);
    padding: 12px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
}

.service-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-meta i {
    color: var(--primary);
    width: 18px;
}

/* ============================================
   PRECIOS
   ============================================ */
.pricing {
    padding: 90px 0;
    position: relative;
    overflow: hidden;
}

.pricing-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(180deg, rgba(10, 75, 110, 0.06) 0%, rgba(10, 75, 110, 0.02) 100%),
        url('https://images.unsplash.com/photo-1508514177221-188b1cf16e9d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    z-index: 0;
    opacity: 0.3;
}

.pricing .container {
    position: relative;
    z-index: 2;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    align-items: stretch;
}

.pricing-card {
    background: var(--white);
    padding: 36px 30px 32px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 8px 30px rgba(10, 75, 110, 0.1);
    position: relative;
}

.pricing-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: var(--radius) var(--radius) 0 0;
}

.pricing-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    background: rgba(10, 75, 110, 0.08);
    padding: 4px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.pricing-card.featured .pricing-badge {
    background: var(--primary);
    color: var(--white);
}

.pricing-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.pricing-price {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 20px;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--gray-600);
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 28px;
    flex: 1;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li i {
    color: var(--accent);
    font-size: 0.8rem;
    width: 18px;
}

.pricing-card .btn-primary {
    width: 100%;
    justify-content: center;
}

/* ============================================
   PAQUETE SOLAR
   ============================================ */
.solar-package {
    padding: 90px 0;
    position: relative;
    overflow: hidden;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.solar-package-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(135deg, rgba(10, 75, 110, 0.04) 0%, rgba(46, 204, 113, 0.03) 100%);
    z-index: 0;
}

.solar-package .container {
    position: relative;
    z-index: 2;
}

.package-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: stretch;
}

.package-card {
    background: var(--white);
    padding: 40px 36px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.package-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.package-card .package-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.package-card .package-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.package-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.package-card > p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 20px;
}

/* Badge GRATIS */
.package-badge-free {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.12), rgba(46, 204, 113, 0.05));
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    padding: 14px 18px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 12px;
}

.package-badge-free i {
    color: var(--accent);
    font-size: 1.1rem;
}

.package-badge-free span {
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.95rem;
}

.package-badge-free strong {
    background: var(--accent);
    color: var(--white);
    padding: 2px 14px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-left: auto;
}

/* Lista de características (diseño) */
.package-features {
    list-style: none;
    margin-bottom: 24px;
    flex: 1;
}

.package-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    font-size: 0.92rem;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
}

.package-features li:last-child {
    border-bottom: none;
}

.package-features li i {
    color: var(--accent);
    font-size: 0.8rem;
    width: 18px;
}

/* Lista de inclusiones (paquete) */
.package-includes-list {
    list-style: none;
    margin-bottom: 24px;
    flex: 1;
}

.package-includes-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-100);
}

.package-includes-list li:last-child {
    border-bottom: none;
}

.package-includes-list li i {
    font-size: 1.2rem;
    color: var(--primary);
    background: rgba(10, 75, 110, 0.08);
    padding: 8px;
    border-radius: var(--radius);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.package-includes-list li div {
    flex: 1;
}

.package-includes-list li strong {
    display: block;
    font-size: 0.95rem;
    color: var(--gray-900);
}

.package-includes-list li span {
    font-size: 0.85rem;
    color: var(--gray-600);
}

/* CTA del paquete */
.package-cta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
    margin-top: auto;
}

.package-cta span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--primary);
}

.package-cta span i {
    color: var(--accent);
}

.package-card .btn-primary {
    width: 100%;
    justify-content: center;
    margin-top: auto;
}

.package-card .btn-outline {
    padding: 10px 24px;
    font-size: 0.9rem;
}

/* ============================================
   TESTIMONIOS
   ============================================ */
.testimonials {
    padding: 90px 0;
    position: relative;
    overflow: hidden;
}

.testimonials-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.85) 100%),
        url('https://images.unsplash.com/photo-1497366216548-37526070297c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    z-index: 0;
    opacity: 0.3;
}

.testimonials .container {
    position: relative;
    z-index: 2;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.testimonial-card {
    background: var(--white);
    padding: 34px 30px 30px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.testimonial-card .stars {
    color: #f1c40f;
    font-size: 0.9rem;
    margin-bottom: 14px;
    letter-spacing: 2px;
}

.testimonial-text {
    font-style: italic;
    color: var(--gray-700);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.testimonial-author .avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.testimonial-author .name {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 0.95rem;
}

.testimonial-author .role {
    font-size: 0.8rem;
    color: var(--gray-600);
}

/* ============================================
   FAQ
   ============================================ */
.faq {
    padding: 90px 0;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item:hover {
    border-color: var(--primary);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    text-align: left;
    gap: 16px;
    transition: all var(--transition);
}

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

.faq-question i {
    font-size: 0.9rem;
    color: var(--gray-400);
    transition: all var(--transition);
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--primary);
}

.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 24px 20px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ============================================
   CONTACTO
   ============================================ */
.contact {
    padding: 90px 0;
    position: relative;
    overflow: hidden;
}

.contact-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.85) 100%),
        url('https://images.unsplash.com/photo-1497366811353-6870744d04b2?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    z-index: 0;
    opacity: 0.3;
}

.contact .container {
    position: relative;
    z-index: 2;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: 28px;
    font-size: 0.95rem;
}

.contact-info .detail {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
    font-size: 0.95rem;
    color: var(--gray-700);
}

.contact-info .detail i {
    width: 40px;
    height: 40px;
    background: rgba(10, 75, 110, 0.06);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-social {
    display: flex;
    gap: 14px;
    margin-top: 28px;
}

.contact-social a {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-700);
    font-size: 1.1rem;
    transition: all var(--transition);
}

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

/* Formulario */
.contact-form {
    background: var(--white);
    padding: 40px 38px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.contact-form .form-group {
    margin-bottom: 6px;
}

.contact-form label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--gray-700);
    display: block;
    margin-bottom: 4px;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 0.95rem;
    background: var(--gray-50);
    transition: all var(--transition);
    font-family: 'Inter', sans-serif;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(10, 75, 110, 0.08);
    background: var(--white);
}

.contact-form textarea {
    resize: vertical;
    min-height: 110px;
}

.contact-form .btn-primary {
    width: 100%;
    justify-content: center;
    margin-top: 6px;
}

#formFeedback {
    margin-top: 14px;
    font-weight: 500;
    text-align: center;
    font-size: 0.95rem;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 50px 0 0;
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

footer .logo {
    color: var(--white);
}

footer .logo i {
    color: var(--accent);
}

footer .logo-text .light {
    color: var(--gray-400);
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--gray-400);
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--gray-300);
    transition: color var(--transition);
}

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

.footer-social {
    display: flex;
    gap: 14px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: all var(--transition);
    font-size: 0.95rem;
}

.footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 18px 0;
    margin-top: 34px;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--gray-500);
    text-align: center;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 2.8rem;
    }

    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-card {
        max-width: 100%;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .about-business {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .values-grid {
        gap: 12px 20px;
    }

    .package-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .package-card {
        padding: 32px 28px;
    }

    .package-badge-free {
        flex-wrap: wrap;
    }

    .package-badge-free strong {
        margin-left: 0;
    }

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

    .section-title {
        font-size: 2.2rem;
    }

    .pricing-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .cert-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        gap: 14px;
        background: var(--white);
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        padding: 24px 28px;
        box-shadow: var(--shadow-md);
        border-radius: 0 0 var(--radius) var(--radius);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-cta {
        background: var(--primary);
        color: var(--white) !important;
        padding: 12px 20px;
        text-align: center;
    }

    .hamburger {
        display: block;
    }

    .hero {
        padding: 130px 0 60px;
        min-height: auto;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
        justify-content: center;
    }

    .hero-stats .number {
        font-size: 1.6rem;
    }

    .hero-card {
        padding: 30px 24px;
    }

    .about {
        padding: 60px 0;
    }

    .about-card {
        padding: 24px 20px;
    }

    .business-card {
        padding: 24px 20px;
    }

    .values-grid {
        gap: 10px 16px;
    }

    .value-item {
        font-size: 0.85rem;
    }

    .value-item i {
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }

    .solar-package {
        padding: 60px 0;
    }

    .package-card {
        padding: 24px 20px;
    }

    .package-includes-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .package-includes-list li i {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    .package-cta {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .package-cta span {
        justify-content: center;
    }

    .contact-form {
        padding: 24px 20px;
    }

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

    footer .container {
        flex-direction: column;
        text-align: center;
    }

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

    .section-title {
        font-size: 1.8rem;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .services-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .cert-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .cert-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .testimonial-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
}

/* ============================================
   ANIMACIÓN SCROLL (JS)
   ============================================ */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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