/* 
    OLEOHIMIN - Industrial Design System
    Project: Servicio de Oleohidráulica y Mecanizado Industrial
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800&family=Roboto:wght@400;700&display=swap');

:root {
    --primary: #104496;
    --primary-dark: #0a2d64;
    --accent: #ec6508;
    --accent-dark: #cc5604;
    --dark: #121212;
    --light: #f4f4f4;
    --gray: #333333;
    --secondary-gray: #666666;
    --metallic: #e0e0e0;
    --glass: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    color: var(--dark);
    background-color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

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

ul {
    list-style: none;
}

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

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

/* NAVBAR */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
    padding: 15px 0;
}

header.scrolled {
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    padding: 10px 0;
    border-bottom: 1px solid var(--glass-border);
}

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

.logo img {
    height: 50px;
    transition: var(--transition);
}

header.scrolled .logo img {
    height: 40px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.cta-nav {
    background: var(--accent);
    color: #fff !important;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 700;
}

.cta-nav:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}

/* MOBILE NAV */
.menu-toggle {
    display: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

/* HERO SECTION */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4)), url('../img/slider.png') center/cover no-repeat;
    display: flex;
    align-items: center;
    color: #fff;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease-out;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    color: var(--metallic);
    animation: fadeInUp 1s ease-out;
}

.hero-btns {
    display: flex;
    gap: 20px;
    animation: fadeInUp 1.2s ease-out;
}

.btn {
    padding: 15px 35px;
    border-radius: 4px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: scale(1.05);
}

.btn-outline {
    border: 2px solid #fff;
    color: #fff;
}

.btn-outline:hover {
    background: #fff;
    color: var(--dark);
}

/* SECTIONS COMMON */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary);
    position: relative;
    padding-bottom: 20px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent);
}

/* ABOUT US */
.about {
    background: #fdfdfd;
}

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

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.experience-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--primary);
    color: #fff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.experience-badge span {
    display: block;
    font-size: 3rem;
    font-weight: 800;
}

/* SERVICES */
.services {
    background: #121212;
    color: #fff;
}

.services .section-title h2 {
    color: #fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: #1e1e1e;
    padding: 40px;
    border-radius: 8px;
    border-bottom: 4px solid transparent;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    border-bottom: 4px solid var(--accent);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.service-card ul {
    margin-top: 15px;
}

.service-card li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.service-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* CAPABILITIES */
.capabilities {
    background: var(--light);
}

.caps-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.cap-item {
    background: #fff;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    border-left: 5px solid var(--primary);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.cap-item i {
    color: var(--primary);
    font-size: 1.5rem;
}

/* INDUSTRIES */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.industry-card {
    height: 250px;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

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

.industry-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    color: #fff;
}

.industry-card:hover img {
    transform: scale(1.1);
}

/* CONTACT */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info h3 {
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.info-item i {
    color: var(--accent);
    font-size: 1.5rem;
}

.contact-form {
    background: #fff;
    padding: 40px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.1);
    border-radius: 8px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
}

/* FOOTER */
footer {
    background: #0a0a0a;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #222;
    color: #666;
    font-size: 0.9rem;
}

/* WHATSAPP FLOAT */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25d366;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 2rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    z-index: 1000;
    transition: var(--transition);
}

.whatsapp-float::after {
    content: '¿Dudas? Escríbenos';
    position: absolute;
    right: 70px;
    background: #fff;
    color: var(--dark);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    opacity: 0;
    transform: translateX(10px);
    pointer-events: none;
    transition: var(--transition);
}

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

.whatsapp-float:hover {
    transform: scale(1.1);
}

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

/* RESPONSIVE */
@media (max-width: 992px) {
    .nav-links { 
        display: none; 
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(18, 18, 18, 0.98);
        flex-direction: column;
        padding: 40px;
        text-align: center;
        gap: 20px;
    }
    .nav-links.active {
        display: flex;
    }
    .menu-toggle { display: block; }
    .about-wrapper, .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .industries-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero-btns {
        flex-direction: column;
    }
    .industries-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}