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

:root {
    --color-primary: #283c70;
    --color-secondary: #3859aa;
    --color-accent: #4a6bc7;
    --color-white: #ffffff;
    --color-light: #f8f9fa;
    --color-gray: #6c757d;
    --color-dark: #212529;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: all 0.3s ease;
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 4px rgba(40, 60, 112, 0.1);
    --shadow-md: 0 4px 12px rgba(40, 60, 112, 0.15);
    --shadow-lg: 0 8px 24px rgba(40, 60, 112, 0.2);
    --shadow-colored: 0 10px 40px rgba(56, 89, 170, 0.3);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-main);
    color: var(--color-dark);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-slow);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo img {
    height: 60px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--color-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--color-secondary);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    margin-top: 80px;
    overflow: hidden;
}

/* Hero Video Background */
.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none"/><path d="M0 0L50 50M50 0L100 50M0 50L50 100M50 50L100 100" stroke="rgba(255,255,255,0.05)" stroke-width="2"/></svg>');
    opacity: 0.15;
    z-index: 2;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 500px;
    height: 500px;
    background: url('../assets/casa-mia.png') no-repeat center;
    background-size: contain;
    opacity: 0.05;
    pointer-events: none;
    z-index: 2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(40, 60, 112, 0.75) 0%, rgba(56, 89, 170, 0.75) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--color-white);
    max-width: 800px;
    padding: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.2s backwards;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-slow);
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    background: var(--color-secondary);
    color: var(--color-white);
    border-color: var(--color-secondary);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(56, 89, 170, 0.4);
}

/* Hero section buttons - transparent hover */
.hero .btn-primary:hover {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.5);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Sections */
section {
    padding: 5rem 0;
    position: relative;
    overflow-x: hidden;
}

/* Decorative Elements */
.services::before,
.sate-info::after,
.contact::before {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    pointer-events: none;
}

.services::before {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    top: -100px;
    right: -100px;
}

.sate-info::after {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent);
    bottom: -50px;
    left: -50px;
}

.contact::before {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    top: -150px;
    left: -150px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Services Section */
.services {
    background: var(--color-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.service-card {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(56, 89, 170, 0.08);
}

.service-bg-image {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 180px;
    height: 180px;
    background-size: cover;
    background-position: center;
    opacity: 0.5;
    filter: blur(0px);
    transition: var(--transition-slow);
    z-index: 0;
    border-radius: 20px;
    transform: rotate(8deg);
}

.service-card:hover .service-bg-image {
    opacity: 0.65;
    filter: blur(0px);
    transform: rotate(12deg) scale(1.08);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -100px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(56, 89, 170, 0.08) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
    border-radius: 50%;
}

.service-card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: var(--shadow-colored);
    border-color: var(--color-secondary);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover::after {
    opacity: 1;
    transform: translate(20px, -20px) scale(1.2);
}

.service-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 4rem;
    font-weight: 800;
    color: rgba(56, 89, 170, 0.06);
    line-height: 1;
    transition: var(--transition-slow);
    z-index: 1;
}

.service-card:hover .service-number {
    color: rgba(56, 89, 170, 0.12);
    transform: scale(1.1) rotate(-5deg);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    color: var(--color-white);
    position: relative;
    transition: var(--transition-slow);
    box-shadow: 0 8px 20px rgba(56, 89, 170, 0.25);
    z-index: 2;
}

.service-icon::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    border-radius: 23px;
    opacity: 0;
    transition: var(--transition);
    filter: blur(12px);
    z-index: -1;
}

.service-icon::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.2) 100%);
    border-radius: 20px;
}

.service-card:hover .service-icon {
    transform: scale(1.15) rotate(8deg);
    box-shadow: 0 12px 35px rgba(56, 89, 170, 0.4);
}

.service-card:hover .service-icon::before {
    opacity: 0.7;
}

.service-icon svg {
    width: 42px;
    height: 42px;
    position: relative;
    z-index: 1;
}

.service-icon svg {
    width: 32px;
    height: 32px;
}

.service-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-primary);
    position: relative;
    z-index: 2;
    transition: var(--transition);
}

.service-card:hover h3 {
    color: var(--color-secondary);
}

.service-card p {
    color: var(--color-gray);
    margin-bottom: 1.5rem;
    line-height: 1.7;
    position: relative;
    z-index: 2;
}

.service-list {
    list-style: none;
    padding: 0;
    position: relative;
    z-index: 2;
}

.service-list li {
    padding: 0.7rem 0;
    padding-left: 2rem;
    position: relative;
    transition: var(--transition);
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-list li::after {
    content: '✓';
    position: absolute;
    left: 4px;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.service-card:hover .service-list li {
    padding-left: 2.2rem;
}

/* SATE Info Section */
.sate-info {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
}

.sate-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.sate-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.sate-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.sate-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.benefit {
    text-align: center;
}

.benefit-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.benefit p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.sate-features {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
}

.feature-check {
    background: rgba(255, 255, 255, 0.2);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: bold;
}

/* Gallery Carousel */
.gallery {
    background: var(--color-light);
}

.carousel {
    position: relative;
    margin: 3rem 0;
}

.carousel-track-container {
    overflow: hidden;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-slide {
    min-width: 100%;
    height: 500px;
    position: relative;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.carousel-btn:hover {
    background: var(--color-white);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
    left: 1rem;
}

.carousel-btn.next {
    right: 1rem;
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-gray);
    opacity: 0.3;
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background: var(--color-primary);
    opacity: 1;
    transform: scale(1.2);
}

.gallery-cta {
    text-align: center;
    margin-top: 3rem;
}

.btn-large {
    font-size: 1.1rem;
    padding: 1.25rem 3rem;
}

/* Coverage Section */
.coverage {
    background: var(--color-white);
    text-align: center;
    position: relative;
}

.coverage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 8px 24px rgba(56, 89, 170, 0.25);
    animation: float 3s ease-in-out infinite;
}

.coverage-icon svg {
    width: 42px;
    height: 42px;
    color: var(--color-white);
}

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

.coverage h2 {
    color: var(--color-primary);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.coverage-text {
    font-size: 1.5rem;
    color: var(--color-dark);
    margin-bottom: 1rem;
}

.coverage-subtext {
    color: var(--color-gray);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.location-pin {
    width: 20px;
    height: 20px;
    color: var(--color-secondary);
}

/* Contact Section */
.contact {
    background: var(--color-light);
    position: relative;
}

.contact-info-wrapper {
    max-width: 900px;
    margin: 3rem auto 0;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.contact-info-item {
    background: var(--color-white);
    padding: 1.75rem;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(56, 89, 170, 0.08);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.contact-info-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: linear-gradient(180deg, var(--color-secondary), var(--color-accent));
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-info-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-secondary);
}

.contact-info-item:hover::before {
    transform: scaleY(1);
}

.contact-info-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(56, 89, 170, 0.2);
    transition: var(--transition);
}

.contact-info-item:hover .contact-info-icon {
    transform: rotate(5deg) scale(1.05);
    box-shadow: 0 6px 18px rgba(56, 89, 170, 0.3);
}

.contact-info-icon.whatsapp-icon {
    background: linear-gradient(135deg, #25D366, #20BA5A);
}

.contact-info-icon svg {
    width: 26px;
    height: 26px;
}

.contact-info-content {
    flex: 1;
}

.contact-info-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.contact-info-content a {
    display: block;
    color: var(--color-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    margin: 0.25rem 0;
    transition: var(--transition);
    font-weight: 500;
}

.contact-info-content a:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

.contact-info-content p {
    color: var(--color-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* Footer */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 3rem 0 1rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: url('../assets/casa-mia.png') no-repeat center;
    background-size: contain;
    opacity: 0.08;
    pointer-events: none;
    z-index: 0;
}

.footer .container {
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo img {
    height: 60px;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-logo p {
    font-weight: 600;
    font-size: 1.1rem;
}

.footer h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--color-white);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

.footer-contact p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* Section Title White */
.section-title-white {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--color-white);
    margin-bottom: 1rem;
}

.section-subtitle-white {
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.sate-info h3 {
    color: var(--color-white);
    font-size: 1.8rem;
    margin: 2rem 0 1rem;
}

/* SATE Layers */
.sate-layers {
    margin: 3rem 0;
}

.sate-layers-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.layers-diagram {
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
}

.sate-house-illustration {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.sate-house-illustration img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

.layer {
    background: rgba(255, 255, 255, 0.1);
    border-left: 4px solid var(--color-white);
    padding: 1rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.layer:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(10px);
}

.layer-number {
    width: 40px;
    height: 40px;
    background: var(--color-white);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 700;
    flex-shrink: 0;
}

.layer-content h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.layer-content p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    font-size: 0.9rem;
}

/* SATE Calculator */
.sate-calculator {
    background: rgba(255, 255, 255, 0.15);
    padding: 2.5rem;
    border-radius: 24px;
    margin-top: 3rem;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.calculator-subtitle {
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    margin-bottom: 2rem;
}

.calculator-content {
    max-width: 600px;
    margin: 0 auto;
}

.calculator-input {
    margin-bottom: 1.5rem;
    position: relative;
}

.calculator-input label {
    display: block;
    color: var(--color-white);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.calculator-input input {
    width: 100%;
    padding: 1rem;
    padding-right: 60px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    font-size: 1.1rem;
    font-family: var(--font-main);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    transition: var(--transition);
}

.calculator-input input:focus {
    outline: none;
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.15);
}

.input-unit {
    position: absolute;
    right: 1rem;
    bottom: 1rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
}

.btn-calculator {
    width: 100%;
    margin: 1rem 0;
}

.calculator-results {
    background: rgba(255, 255, 255, 0.25);
    padding: 2rem;
    border-radius: 16px;
    margin-top: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: slideInUp 0.6s ease;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

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

.result-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

.result-value {
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: 700;
}

/* Gallery Page Styles */
.obras-hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    margin-top: 80px;
}

.gallery-section {
    padding: 5rem 0;
    background: var(--color-light);
}

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--color-primary);
    background: transparent;
    color: var(--color-primary);
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: var(--transition);
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(40, 60, 112, 0.95), transparent);
    color: var(--color-white);
    padding: 2rem 1.5rem;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.gallery-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.nav-menu a.active {
    color: var(--color-secondary);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    max-width: 90%;
    max-height: 85vh;
    object-fit: contain;
    animation: fadeIn 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 3rem;
    color: var(--color-white);
    font-size: 3rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    color: var(--color-secondary);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--color-white);
    font-size: 3rem;
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 8px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.3);
}

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

.lightbox-caption {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-white);
    font-size: 1.2rem;
    text-align: center;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: 5rem 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: pulse 2s infinite;
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
    background: #20BA5A;
}

.whatsapp-float:active {
    transform: scale(0.95);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: white;
    color: #333;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    transform: translateX(10px);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid white;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}

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

@keyframes pulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 968px) {
    .services::before,
    .sate-info::after,
    .contact::before {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: var(--color-white);
        width: 100%;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .sate-content {
        grid-template-columns: 1fr;
    }

    .sate-benefits {
        grid-template-columns: 1fr;
    }

    .sate-layers-container {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .carousel-slide {
        height: 300px;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .layers-diagram {
        gap: 0.75rem;
    }

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

    .calculator-input input {
        font-size: 1rem;
    }

    .result-value {
        font-size: 1.2rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
    }

    .lightbox-prev,
    .lightbox-next {
        font-size: 2rem;
        padding: 0.5rem 1rem;
    }

    .lightbox-close {
        top: 1rem;
        right: 1rem;
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero::after {
        display: none;
    }

    .hero-video-container {
        display: none;
    }

    .btn {
        width: 100%;
    }

    .section-title {
        font-size: 2rem;
    }

    .carousel-slide {
        height: 250px;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .layer {
        padding: 1rem;
    }

    .layer-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .sate-calculator {
        padding: 1.5rem;
    }

    .lightbox-prev {
        left: 0.5rem;
    }

    .lightbox-next {
        right: 0.5rem;
    }

    .lightbox-prev,
    .lightbox-next {
        padding: 0.5rem;
        font-size: 1.5rem;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
    }

    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }

    .whatsapp-tooltip {
        display: none;
    }
}