/* ============================================
   OC Constructora - Minimalist Website Styles
   ============================================ */

/* ===== CSS Variables ===== */
:root {
    --primary-color: #467c8f;
    --primary-dark: #36626f;
    --secondary-color: #e8eef0;
    --text-dark: #1a1a1a;
    --text-light: #6b7280;
    --white: #ffffff;
    --gray-light: #f9fafb;
    --gray-medium: #e5e7eb;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

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

.logo img {
    height: 80px;
    width: auto;
}

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

.nav-menu a {
    font-weight: 500;
    color: var(--text-dark);
    padding: 0.5rem 0;
    position: relative;
}

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

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
}

.btn-contact {
    background: var(--primary-color);
    color: var(--white) !important;
    padding: 0.6rem 1.5rem !important;
    border-radius: 6px;
    font-weight: 600;
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

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

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=1920&h=1080&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(70, 124, 143, 0.8) 0%, rgba(54, 98, 111, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* ===== Buttons ===== */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

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

.btn-secondary:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* ===== Values Section ===== */
.values {
    padding: 5rem 0;
    background: var(--white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

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

.value-card {
    text-align: center;
    padding: 2rem;
    background: var(--gray-light);
    border-radius: 12px;
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.value-icon {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.value-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.value-card p {
    color: var(--text-light);
    line-height: 1.7;
}

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

.cta-content {
    text-align: center;
}

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

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* ===== Page Header ===== */
.page-header {
    margin-top: 80px;
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.95;
}

/* ===== About Content ===== */
.about-content {
    padding: 5rem 0;
    background: var(--white);
}

.about-text {
    max-width: 800px;
    margin: 0 auto;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.values-list {
    margin-top: 3rem;
    display: grid;
    gap: 2rem;
}

.value-item {
    padding: 2rem;
    background: var(--gray-light);
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
}

.value-item h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.value-item p {
    color: var(--text-light);
}

/* ===== Carousel ===== */
.team-section,
.projects-section {
    padding: 5rem 0;
    background: var(--gray-light);
}

.carousel-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 12px;
}

.carousel-container.large {
    max-width: 1100px;
}

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

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

.carousel-slide img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 12px;
}

.carousel-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white);
    padding: 2rem;
    border-radius: 0 0 12px 12px;
}

.carousel-caption h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.carousel-caption p {
    font-size: 1rem;
    opacity: 0.9;
}

.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%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

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

.carousel-btn.prev {
    left: 20px;
}

.carousel-btn.next {
    right: 20px;
}

.carousel-btn svg {
    color: var(--primary-color);
}

.carousel-dots {
    text-align: center;
    padding: 1.5rem 0 0;
}

.dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-medium);
    margin: 0 5px;
    cursor: pointer;
    transition: var(--transition);
}

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

/* ===== Projects Intro ===== */
.projects-intro {
    padding: 3rem 0;
    background: var(--white);
    text-align: center;
}

.intro-content {
    max-width: 800px;
    margin: 0 auto 2rem;
}

.intro-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
}

.project-categories {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.category-badge {
    padding: 0.6rem 1.5rem;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.95rem;
}

/* ===== Clients Section ===== */
.clients-intro {
    padding: 3rem 0;
    background: var(--white);
    text-align: center;
}

.clients-section {
    padding: 3rem 0 5rem;
    background: var(--white);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.client-logo {
    background: var(--gray-light);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.client-logo:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.logo-placeholder {
    text-align: center;
    color: var(--text-light);
}

.logo-placeholder svg {
    margin: 0 auto 1rem;
    opacity: 0.3;
}

.logo-placeholder span {
    font-size: 0.9rem;
    font-weight: 500;
}

.clients-note {
    text-align: center;
    margin-top: 3rem;
}

.clients-note p {
    color: var(--text-light);
    font-style: italic;
}

/* ===== Footer ===== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-logo img {
    height: 70px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer p {
    opacity: 0.8;
    font-size: 0.95rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    /* Navigation */
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transition: var(--transition);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

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

    .nav-menu a {
        width: 100%;
        padding: 1rem;
        border-bottom: 1px solid var(--gray-medium);
    }

    .btn-contact {
        width: 100%;
        text-align: center;
    }

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

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

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

    .page-header h1 {
        font-size: 2.2rem;
    }

    .about-text h2 {
        font-size: 2rem;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    /* Carousel */
    .carousel-slide img {
        height: 350px;
    }

    .carousel-caption h3 {
        font-size: 1.4rem;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
    }

    .carousel-btn.prev {
        left: 10px;
    }

    .carousel-btn.next {
        right: 10px;
    }

    /* Clients Grid */
    .clients-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .carousel-slide img {
        height: 250px;
    }

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