/* ===== VARIABLES ===== */
:root {
    --primary: #0d47a1;
    --primary-dark: #0a3680;
    --primary-light: #1565c0;
    --secondary: #00bcd4;
    --accent: #25d366;
    --white: #ffffff;
    --light-gray: #f5f7fa;
    --gray: #6c757d;
    --dark: #1a1a2e;
    --text: #333333;
    --text-light: #666666;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --radius: 10px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

/* ===== CONTAINER ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-whatsapp {
    background: var(--accent);
    color: var(--white);
}

.btn-whatsapp:hover {
    background: #1da851;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

.btn-outline-dark {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

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

.btn-sm {
    padding: 8px 16px;
    font-size: 0.75rem;
    margin-top: 12px;
    width: 100%;
    justify-content: center;
}

/* ===== SECTION TITLE ===== */
.section-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--secondary);
    margin: 10px auto 0;
    border-radius: 2px;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.header-top-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
}

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

.nav-list {
    display: flex;
    gap: 25px;
}

.nav-list a {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text);
    padding: 5px 0;
    position: relative;
    letter-spacing: 0.5px;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary);
    transition: var(--transition);
    border-radius: 2px;
}

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

.nav-list a:hover,
.nav-list a.active {
    color: var(--primary);
}

.header-contact {
    display: flex;
    gap: 20px;
    align-items: center;
}

.header-contact a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary);
}

.header-contact a:hover {
    color: var(--primary-dark);
}

.header-contact i {
    font-size: 1.1rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary);
    cursor: pointer;
}

/* ===== HERO ===== */
.hero {
    background: linear-gradient(135deg, rgba(13, 71, 161, 0.85), rgba(10, 54, 128, 0.9));
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero-bg-image {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-bg-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero .container {
    position: relative;
    z-index: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 2.5rem;
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-text h1 strong {
    font-weight: 900;
    font-size: 3rem;
    display: block;
}

.hero-text p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Hero Form */
.hero-form {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow-lg);
}

.hero-form h3 {
    color: var(--primary);
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

/* ===== FORMS ===== */
.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    margin-bottom: 12px;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13, 71, 161, 0.1);
}

.contact-form textarea {
    resize: vertical;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: 15px;
    cursor: pointer;
}

.char-counter {
    display: block;
    text-align: right;
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: -8px;
    margin-bottom: 12px;
}

.char-counter.warning {
    color: #e65100;
    font-weight: 600;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

/* ===== BENEFITS BAR ===== */
.benefits {
    background: var(--primary);
    padding: 25px 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    text-align: left;
}

.benefit-item i {
    font-size: 2rem;
    opacity: 0.9;
}

.benefit-item strong {
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

/* ===== SERVICES ===== */
.services {
    padding: 80px 0;
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

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

.service-card h4 {
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.service-card p {
    font-size: 0.8rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* ===== WHY FIBERGLASS ===== */
.why-fiberglass {
    padding: 80px 0;
    background: var(--white);
}

.why-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.why-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 15px;
    font-size: 1rem;
}

.why-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.why-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    background: var(--light-gray);
    border-radius: 8px;
    transition: var(--transition);
}

.why-feature-item:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateX(5px);
}

.why-feature-item:hover i {
    color: var(--white);
}

.why-feature-item i {
    font-size: 1.2rem;
    color: var(--primary);
    min-width: 25px;
}

.why-feature-item span {
    font-size: 0.85rem;
    font-weight: 500;
}

/* ===== HOW IT'S MADE ===== */
.how-made {
    padding: 80px 0;
    background: var(--primary);
    color: var(--white);
}

.how-made .section-title {
    color: var(--white);
}

.how-made .section-title::after {
    background: var(--secondary);
}

.how-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.how-step {
    text-align: center;
    padding: 25px 15px;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--secondary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 800;
    margin: 0 auto 15px;
}

.how-step h4 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--white);
}

.how-step p {
    font-size: 0.85rem;
    opacity: 0.85;
    line-height: 1.6;
}

/* ===== ADVANTAGES ===== */
.advantages {
    padding: 80px 0;
    background: var(--white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantage-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: var(--radius);
    border: 1px solid #e8e8e8;
    transition: var(--transition);
}

.advantage-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-5px);
}

.advantage-item i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.advantage-item h4 {
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.advantage-item p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== MODELS ===== */
.models {
    padding: 80px 0;
    background: var(--light-gray);
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.model-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 25px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.model-image {
    background: var(--light-gray);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.model-image img {
    max-width: 100%;
    max-height: 180px;
    object-fit: contain;
}

.model-image i {
    font-size: 3.5rem;
    color: #29b6f6;
}

.model-card h4 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 10px;
    font-weight: 700;
}

.model-tag {
    font-size: 0.8rem;
    color: var(--white);
    background: var(--secondary);
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 10px;
    font-weight: 500;
}

.model-specs {
    text-align: left;
    list-style: none;
    padding: 0;
}

.model-specs li {
    font-size: 0.85rem;
    color: var(--text-light);
    padding: 4px 0;
    border-bottom: 1px solid #f0f0f0;
}

.model-specs li:last-child {
    border-bottom: none;
}

.model-specs li strong {
    color: var(--text);
}

/* ===== ABOUT ===== */
.about {
    padding: 80px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content-centered {
    max-width: 750px;
    margin: 0 auto;
    text-align: center;
}

.about-content-centered p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 1rem;
}

.about-values-centered {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 30px;
    text-align: left;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.about-text h2 {
    text-align: left;
}

.about-text h2::after {
    margin: 10px 0 0;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-values {
    margin-top: 20px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.value-item i {
    color: var(--accent);
    font-size: 1.2rem;
}

.value-item span {
    font-weight: 500;
    font-size: 0.95rem;
}

.about-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* ===== GALLERY ===== */
.gallery {
    padding: 80px 0;
    background: var(--light-gray);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

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

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

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

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(13, 71, 161, 0.6), transparent);
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover::after {
    opacity: 1;
}

.gallery-more {
    text-align: center;
}

/* ===== VALUES BAR ===== */
.values-bar {
    padding: 40px 0;
    background: var(--white);
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.value-bar-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.value-bar-item i {
    font-size: 2rem;
    color: var(--primary);
    margin-top: 5px;
}

.value-bar-item strong {
    display: block;
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 5px;
}

.value-bar-item p {
    font-size: 0.8rem;
    color: var(--text-light);
    margin: 0;
}

/* ===== CONTACT ===== */
.contact {
    padding: 80px 0;
    background: var(--light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    text-align: left;
}

.contact-info h2::after {
    margin: 10px 0 0;
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 30px;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-detail i {
    font-size: 1.5rem;
    color: var(--primary);
    width: 40px;
    text-align: center;
}

.contact-detail strong {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 3px;
}

.contact-detail a,
.contact-detail span {
    font-size: 0.85rem;
    color: var(--text-light);
}

.contact-detail a:hover {
    color: var(--primary);
}

.map-container {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.contact-form-section {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.contact-form-section h3 {
    color: var(--primary);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    height: 60px;
    margin-bottom: 15px;
}

.footer-slogan {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--secondary);
}

.footer-brand p {
    font-size: 0.85rem;
    opacity: 0.8;
}

.footer-links h4,
.footer-contact h4,
.footer-social h4 {
    font-size: 0.9rem;
    margin-bottom: 15px;
    color: var(--secondary);
}

.footer-links ul li {
    margin-bottom: 8px;
}

.footer-links ul li a {
    font-size: 0.85rem;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    opacity: 1;
    color: var(--secondary);
}

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    margin-bottom: 10px;
    opacity: 0.8;
}

.footer-contact ul li i {
    width: 20px;
    color: var(--secondary);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    font-size: 0.8rem;
    opacity: 0.6;
}

.footer-credit {
    margin-top: 5px;
    font-size: 0.75rem;
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 999;
    animation: pulse 2s infinite;
}

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

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ===== LIGHTBOX ===== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: var(--radius);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 2rem;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    transform: rotate(90deg);
}

/* ===== FORM SUCCESS MESSAGE ===== */
.form-success {
    display: none;
    text-align: center;
    padding: 20px;
    background: #e8f5e9;
    border-radius: var(--radius);
    color: #2e7d32;
}

.form-success.show {
    display: block;
}

.form-success i {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.form-success p {
    font-weight: 600;
}