/* =================================
EnergiaSolar Córdoba - Custom Styles
================================= */

*, *::before, *::after {
box-sizing: border-box;
}
html {
scroll-behavior: smooth;
}
body {
line-height: 1.6;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}

:root {
--solar-orange: #F9A825;
--solar-blue: #1A202C;
--solar-green: #2E7D32;
--text-gray: #2D3748;
--bg-light: #F7FAFC;
--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
--transition-all: all 0.3s ease-in-out;
}

@keyframes fadeInUp {
from {
opacity: 0;
transform: translateY(30px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
@keyframes fadeInLeft {
from {
opacity: 0;
transform: translateX(-30px);
}
to {
opacity: 1;
transform: translateX(0);
}
}
@keyframes fadeInRight {
from {
opacity: 0;
transform: translateX(30px);
}
to {
opacity: 1;
transform: translateX(0);
}
}
@keyframes pulse {
0%, 100% {
opacity: 1;
}
50% {
opacity: 0.7;
}
}
@keyframes bounce {
0%, 20%, 53%, 80%, 100% {
transform: translate3d(0,0,0);
}
40%, 43% {
transform: translate3d(0, -8px, 0);
}
70% {
transform: translate3d(0, -4px, 0);
}
90% {
transform: translate3d(0, -2px, 0);
}
}

.animate-fade-in-up {
animation: fadeInUp 0.8s ease-out;
}
.animate-fade-in-left {
animation: fadeInLeft 0.8s ease-out;
}
.animate-fade-in-right {
animation: fadeInRight 0.8s ease-out;
}
.animate-pulse-slow {
animation: pulse 3s ease-in-out infinite;
}
.animate-bounce-gentle {
animation: bounce 2s infinite;
}

.gradient-solar {
background: linear-gradient(135deg, var(--solar-orange) 0%, #FFD54F 100%);
}
.gradient-blue {
background: linear-gradient(135deg, var(--solar-blue) 0%, #2D3748 100%);
}
.gradient-green {
background: linear-gradient(135deg, var(--solar-green) 0%, #388E3C 100%);
}

.btn-primary {
background: var(--solar-orange);
color: white;
padding: 12px 24px;
border-radius: 8px;
font-weight: 600;
text-decoration: none;
display: inline-block;
transition: var(--transition-all);
border: none;
cursor: pointer;
}
.btn-primary:hover {
background: #F57C00;
transform: translateY(-1px);
box-shadow: var(--shadow-lg);
}
.btn-secondary {
background: var(--solar-green);
color: white;
padding: 12px 24px;
border-radius: 8px;
font-weight: 600;
text-decoration: none;
display: inline-block;
transition: var(--transition-all);
border: none;
cursor: pointer;
}
.btn-secondary:hover {
background: #1B5E20;
transform: translateY(-1px);
box-shadow: var(--shadow-lg);
}
.btn-outline {
background: transparent;
color: var(--solar-orange);
padding: 12px 24px;
border: 2px solid var(--solar-orange);
border-radius: 8px;
font-weight: 600;
text-decoration: none;
display: inline-block;
transition: var(--transition-all);
cursor: pointer;
}
.btn-outline:hover {
background: var(--solar-orange);
color: white;
transform: translateY(-1px);
}

.form-group {
margin-bottom: 1.5rem;
}
.form-input {
width: 100%;
padding: 12px 16px;
border: 2px solid #E2E8F0;
border-radius: 8px;
font-size: 16px;
transition: var(--transition-all);
background: white;
}
.form-input:focus {
outline: none;
border-color: var(--solar-orange);
box-shadow: 0 0 0 3px rgba(249, 168, 37, 0.1);
}
.form-input:invalid {
border-color: #E53E3E;
}
.form-input:valid {
border-color: var(--solar-green);
}
.form-label {
display: block;
margin-bottom: 8px;
font-weight: 600;
color: var(--text-gray);
}
.form-error {
color: #E53E3E;
font-size: 14px;
margin-top: 4px;
}
.form-success {
color: var(--solar-green);
font-size: 14px;
margin-top: 4px;
}

.loading {
position: relative;
pointer-events: none;
}
.loading::after {
content: '';
position: absolute;
top: 50%;
left: 50%;
width: 20px;
height: 20px;
margin: -10px 0 0 -10px;
border: 2px solid transparent;
border-top: 2px solid currentColor;
border-radius: 50%;
animation: spin 1s linear infinite;
}
@keyframes spin {
to {
transform: rotate(360deg);
}
}

.card {
background: white;
border-radius: 12px;
box-shadow: var(--shadow-sm);
transition: var(--transition-all);
overflow: hidden;
}
.card:hover {
box-shadow: var(--shadow-lg);
transform: translateY(-2px);
}
.card-image {
width: 100%;
height: 200px;
object-fit: cover;
}
.card-content {
padding: 1.5rem;
}
.card-title {
font-size: 1.25rem;
font-weight: 700;
color: var(--solar-blue);
margin-bottom: 0.5rem;
}
.card-description {
color: #718096;
line-height: 1.6;
}

.badge {
display: inline-block;
padding: 4px 12px;
border-radius: 20px;
font-size: 12px;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.5px;
}
.badge-primary {
background: var(--solar-orange);
color: white;
}
.badge-secondary {
background: var(--solar-green);
color: white;
}
.badge-outline {
background: transparent;
border: 1px solid var(--solar-orange);
color: var(--solar-orange);
}

.nav-link {
position: relative;
transition: var(--transition-all);
}
.nav-link::after {
content: '';
position: absolute;
bottom: -4px;
left: 0;
width: 0;
height: 2px;
background: var(--solar-orange);
transition: width 0.3s ease;
}
.nav-link:hover::after,
.nav-link.active::after {
width: 100%;
}

.hero-pattern {
background-image:
radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.parallax {
transform: translateZ(0);
will-change: transform;
}

::-webkit-scrollbar {
width: 8px;
}
::-webkit-scrollbar-track {
background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
background: var(--solar-orange);
border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
background: #F57C00;
}

::selection {
background: var(--solar-orange);
color: white;
}
::-moz-selection {
background: var(--solar-orange);
color: white;
}

.focus-visible:focus {
outline: 2px solid var(--solar-orange);
outline-offset: 2px;
}

.skip-to-content {
position: absolute;
top: -40px;
left: 6px;
background: var(--solar-blue);
color: white;
padding: 8px;
text-decoration: none;
border-radius: 4px;
z-index: 1000;
}
.skip-to-content:focus {
top: 6px;
}

@media print {
.no-print {
display: none !important;
}
body {
font-size: 12pt;
line-height: 1.4;
}
h1, h2, h3 {
page-break-after: avoid;
}
img {
max-width: 100% !important;
}
@page {
margin: 2cm;
}
}

@media (max-width: 768px) {
.mobile-center {
text-align: center;
}
.mobile-full {
width: 100%;
}
.mobile-hidden {
display: none;
}
.mobile-stack > * {
display: block;
width: 100%;
margin-bottom: 1rem;
}
}

@media (prefers-contrast: high) {
.card {
border: 2px solid var(--text-gray);
}
.btn-primary,
.btn-secondary {
border: 2px solid transparent;
}
.btn-primary:hover,
.btn-secondary:hover {
border-color: white;
}
}

@media (prefers-reduced-motion: reduce) {
*,
*::before,
*::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
scroll-behavior: auto !important;
}
}

@media (prefers-color-scheme: dark) {

}

.text-shadow {
text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.text-shadow-lg {
text-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}
.backdrop-blur {
backdrop-filter: blur(8px);
-webkit-backdrop-filter: blur(8px);
}
.glass-effect {
background: rgba(255, 255, 255, 0.1);
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
border: 1px solid rgba(255, 255, 255, 0.2);
}

.interactive {
cursor: pointer;
transition: var(--transition-all);
}
.interactive:hover {
transform: scale(1.02);
}
.interactive:active {
transform: scale(0.98);
}

.solar-panel-glow {
position: relative;
overflow: hidden;
}
.solar-panel-glow::before {
content: '';
position: absolute;
top: -50%;
left: -50%;
width: 200%;
height: 200%;
background: linear-gradient(45deg, transparent, rgba(249, 168, 37, 0.1), transparent);
transform: rotate(45deg);
animation: shine 3s infinite;
}
@keyframes shine {
0% {
transform: rotate(45deg) translateX(-100%);
}
50% {
transform: rotate(45deg) translateX(100%);
}
100% {
transform: rotate(45deg) translateX(100%);
}
}

.energy-flow {
position: relative;
overflow: hidden;
}
.energy-flow::after {
content: '';
position: absolute;
top: 0;
left: -100%;
width: 100%;
height: 100%;
background: linear-gradient(90deg, transparent, rgba(249, 168, 37, 0.3), transparent);
animation: flow 2s infinite linear;
}
@keyframes flow {
0% {
left: -100%;
}
100% {
left: 100%;
}
}

.whatsapp-float {
position: fixed;
bottom: 20px;
right: 20px;
z-index: 1000;
width: 60px;
height: 60px;
background: #25D366;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
box-shadow: var(--shadow-lg);
transition: var(--transition-all);
text-decoration: none;
}
.whatsapp-float:hover {
transform: scale(1.1);
box-shadow: var(--shadow-xl);
}
.whatsapp-float svg {
width: 30px;
height: 30px;
color: white;
}

.project-filter-enter {
animation: fadeInUp 0.5s ease-out;
}
.project-filter-exit {
animation: fadeOut 0.3s ease-in;
}
@keyframes fadeOut {
from {
opacity: 1;
transform: translateY(0);
}
to {
opacity: 0;
transform: translateY(-20px);
}
}

.blog-card {
transition: var(--transition-all);
transform-origin: center bottom;
}
.blog-card:hover {
transform: translateY(-4px);
box-shadow: var(--shadow-xl);
}
.blog-card:hover .blog-card-image {
transform: scale(1.05);
}
.blog-card-image {
transition: transform 0.3s ease;
}

.testimonial {
position: relative;
padding: 2rem;
background: white;
border-radius: 12px;
box-shadow: var(--shadow-md);
}
.testimonial::before {
content: '"';
position: absolute;
top: -10px;
left: 20px;
font-size: 4rem;
color: var(--solar-orange);
line-height: 1;
font-family: serif;
}

.stat-counter {
font-weight: 700;
color: var(--solar-orange);
}

.modal-overlay {
background: rgba(0, 0, 0, 0.7);
backdrop-filter: blur(4px);
-webkit-backdrop-filter: blur(4px);
}
.modal-content {
transform: scale(0.9);
opacity: 0;
transition: var(--transition-all);
}
.modal-content.show {
transform: scale(1);
opacity: 1;
}

.faq-content {
max-height: 0;
overflow: hidden;
transition: max-height 0.3s ease;
}
.faq-content.open {
max-height: 200px;
}
.faq-button svg {
transition: transform 0.3s ease;
}
.faq-button.open svg {
transform: rotate(180deg);
}

.progress-bar {
height: 4px;
background: var(--bg-light);
border-radius: 2px;
overflow: hidden;
}
.progress-fill {
height: 100%;
background: var(--solar-orange);
width: 0%;
transition: width 0.3s ease;
}

.toast {
position: fixed;
top: 20px;
right: 20px;
z-index: 1000;
background: white;
padding: 1rem 1.5rem;
border-radius: 8px;
box-shadow: var(--shadow-lg);
border-left: 4px solid var(--solar-green);
transform: translateX(100%);
transition: transform 0.3s ease;
}
.toast.show {
transform: translateX(0);
}
.toast.error {
border-left-color: #E53E3E;
}
.toast.warning {
border-left-color: #D69E2E;
}

.lazy-loading {
background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
background-size: 200% 100%;
animation: loading 1.5s infinite;
}
@keyframes loading {
0% {
background-position: 200% 0;
}
100% {
background-position: -200% 0;
}
}

.sticky-top {
position: sticky;
top: 0;
z-index: 50;
}

.back-to-top {
position: fixed;
bottom: 80px;
right: 20px;
width: 50px;
height: 50px;
background: var(--solar-blue);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
opacity: 0;
visibility: hidden;
transition: var(--transition-all);
z-index: 999;
}
.back-to-top.show {
opacity: 1;
visibility: visible;
}
.back-to-top:hover {
background: var(--solar-orange);
transform: translateY(-2px);
}

.list-check li {
position: relative;
padding-left: 2rem;
}
.list-check li::before {
content: '✓';
position: absolute;
left: 0;
color: var(--solar-green);
font-weight: bold;
}
.list-arrow li {
position: relative;
padding-left: 1.5rem;
}
.list-arrow li::before {
content: '→';
position: absolute;
left: 0;
color: var(--solar-orange);
font-weight: bold;
}

.section-divider {
height: 1px;
background: linear-gradient(to right, transparent, var(--solar-orange), transparent);
margin: 2rem 0;
}

.container-narrow {
max-width: 800px;
margin: 0 auto;
padding: 0 1rem;
}
.container-wide {
max-width: 1400px;
margin: 0 auto;
padding: 0 1rem;
}

@media (max-width: 640px) {
h1 {
font-size: 2rem;
}
h2 {
font-size: 1.5rem;
}
h3 {
font-size: 1.25rem;
}
}

.will-change-transform {
will-change: transform;
}
.will-change-opacity {
will-change: opacity;
}
.will-change-auto {
will-change: auto;
}