/* ===================================
   SERVICIOS MEMPHIS - MODERN STYLES
   =================================== */

/* CSS Variables - Color Palette based on Memphis Logo */
:root {
    /* Primary Colors - From Logo */
    --color-primary: #F7E92E;
    --color-primary-dark: #D4C526;
    --color-primary-light: #FFF566;
    
    /* Secondary Colors - Industrial/Safety */
    --color-secondary: #1E3A8A;
    --color-secondary-dark: #1E40AF;
    --color-accent: #DC2626;
    --color-accent-light: #EF4444;
    
    /* Neutral Colors */
    --color-dark: #0F172A;
    --color-dark-light: #1E293B;
    --color-gray: #64748B;
    --color-gray-light: #CBD5E1;
    --color-light: #F8FAFC;
    --color-white: #FFFFFF;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    --gradient-accent: linear-gradient(135deg, #DC2626 0%, #F59E0B 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(30, 58, 138, 0.95) 0%, rgba(15, 23, 42, 0.98) 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(247, 233, 46, 0.3);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===================================
   UTILITY CLASSES
   =================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray);
    max-width: 600px;
    margin: var(--spacing-md) auto 0;
}

/* ===================================
   BUTTONS
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    font-size: 1rem;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-dark);
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* ===================================
   NAVIGATION
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #605d5e; /* Logo background color */
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(96, 93, 94, 0.98); /* Logo color with slight transparency */
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
}

.logo-container {
    flex-shrink: 0;
}

.logo {
    height: 50px;
    width: auto;
    transition: var(--transition-normal);
}

.logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--color-white);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.nav-link:hover {
    color: var(--color-primary);
    background: rgba(247, 233, 46, 0.1);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('hero_background.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-overlay);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
}

.highlight {
    color: var(--color-primary);
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    opacity: 0.95;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--color-primary);
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--color-primary);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

/* ===================================
   SERVICES SECTION
   =================================== */

.services {
    padding: var(--spacing-xl) 0;
    background: var(--color-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    cursor: pointer;
}

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

.service-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(15, 23, 42, 0.7) 100%);
}

.service-content {
    padding: var(--spacing-md);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    transition: var(--transition-normal);
}

.service-card:hover .service-icon {
    background: var(--gradient-accent);
    transform: rotate(5deg) scale(1.1);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-gray);
    line-height: 1.7;
}

/* ===================================
   ABOUT SECTION
   =================================== */

.about {
    padding: var(--spacing-xl) 0;
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-content .section-title {
    text-align: left;
}

.about-content .section-title::after {
    left: 0;
    transform: none;
}

.about-text {
    margin: var(--spacing-md) 0;
}

.about-text p {
    margin-bottom: var(--spacing-md);
    color: var(--color-gray);
    font-size: 1.125rem;
    line-height: 1.8;
}

.about-text strong {
    color: var(--color-dark);
    font-weight: 600;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.feature-icon {
    width: 30px;
    height: 30px;
    background: var(--color-primary);
    color: var(--color-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.feature-text {
    font-weight: 500;
    color: var(--color-dark);
}

.about-images {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.about-image-main,
.about-image-secondary {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-main {
    grid-column: 1 / -1;
}

.about-image-main img,
.about-image-secondary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.about-image-main:hover img,
.about-image-secondary:hover img {
    transform: scale(1.05);
}

/* ===================================
   CERTIFICATIONS SECTION
   =================================== */

.certifications {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark);
    color: var(--color-white);
}

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

.certifications .section-subtitle {
    color: var(--color-gray-light);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.cert-card {
    background: var(--color-dark-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.cert-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(247, 233, 46, 0.2);
}

.cert-image {
    height: 250px;
    overflow: hidden;
}

.cert-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.cert-content {
    padding: var(--spacing-md);
}

.cert-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.cert-description {
    color: var(--color-gray-light);
    line-height: 1.8;
}

/* ===================================
   CONTACT SECTION
   =================================== */

.contact {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-primary);
    color: var(--color-white);
    text-align: center;
}

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

.contact .section-title::after {
    background: var(--color-primary);
}

.contact-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: var(--color-gray-light);
    line-height: 1.7;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-gray-light);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

.footer-links li {
    color: var(--color-gray-light);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-dark-light);
    color: var(--color-gray);
}

/* ===================================
   ANIMATIONS
   =================================== */

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* AOS Animation Support */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(15, 23, 42, 0.98);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-lg);
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-images {
        grid-template-columns: 1fr;
    }
    
    .about-image-main {
        grid-column: 1;
    }
    
    .cert-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo {
        margin: 0 auto var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}