/*
Theme Name: Axolote Ingeniería Landing
Theme URI: https://axoloteingenieria.com
Description: Landing page profesional para Axolote Ingeniería. Especialistas en automatización industrial y equipos de laboratorio. Diseño moderno y responsive.
Author: Axolote Ingeniería
Author URI: https://axoloteingenieria.com
Version: 1.0.0
License: GPL v2 or later
Tags: business, industrial, automation, laboratory, responsive, dark, modern
Text Domain: axolote-theme
*/

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Funnel+Display:wght@300;400;500;600;700;800&display=swap');

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

:root {
    /* Colors - Axolote Brand Palette */
    --primary-color: #CADB46;
    --secondary-color: #6A3CB8;
    --accent-color: #CADB46;
    --dark-primary: #b8c83a;
    --light-primary: #d4e15a;
    --dark-bg: #1C1C2E;
    --secondary-dark: #2A2A33;
    --blue-accent: #395D7C;
    --navy-dark: #0A2245;
    --gray-light: #EBEBEC;
    --gray-medium: #A1A3B1;
    --gray-900: #1C1C2E;
    --gray-800: #2A2A33;
    --gray-700: #395D7C;
    --gray-600: #6A3CB8;
    --gray-500: #A1A3B1;
    --gray-400: #A1A3B1;
    --gray-300: #EBEBEC;
    --gray-200: #EBEBEC;
    --gray-100: #f8f8f8;
    --white: #ffffff;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Funnel Display', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --section-padding: 5rem 0;
    --container-padding: 1rem;
    --container-max-width: 1200px;
    
    /* Borders and Radius */
    --border-radius: 8px;
    --border-radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--gray-light);
    background-color: var(--dark-bg);
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    color: var(--white);
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.875rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
    color: var(--gray-light);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
    white-space: nowrap;
}

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

.etif-card {
    background: #C4D320;
    border: 2px solid #C4D320;
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    max-width: 500px;
    margin: 0 auto;
}

.etif-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.etif-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.etif-header:hover {
    opacity: 0.9;
}

.etif-logo {
    height: 60px;
    width: auto;
    flex-shrink: 0;
}

.etif-info h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: var(--font-weight-bold);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.etif-info p {
    color: var(--white);
    font-size: 1.125rem;
    margin: 0;
    font-weight: var(--font-weight-medium);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.btn-agendar {
    background-color: var(--white);
    color: var(--dark-bg);
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-semibold);
    font-size: 1.125rem;
    text-align: center;
    display: block;
    width: 100%;
    transition: var(--transition);
    box-shadow: var(--shadow);
    border: 2px solid var(--white);
}

.btn-agendar:hover {
    background-color: var(--dark-bg);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background-color: #25D366;
    color: var(--white);
    border: 2px solid #25D366;
    position: relative;
    overflow: hidden;
    font-weight: var(--font-weight-semibold);
    min-width: 200px;
}

.btn-secondary:hover {
    background-color: #128C7E;
    border-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary img {
    width: 20px;
    height: 20px;
    filter: brightness(0) invert(1);
}

.whatsapp-icon {
    font-size: 1rem;
}

.whatsapp-icon-img {
    width: 20px;
    height: 20px;
    filter: brightness(0) invert(1);
}

.whatsapp-contact-icon {
    width: 24px;
    height: 24px;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: translateY(-50%);
    transition: left 0.6s;
}

.btn-secondary:hover::before {
    left: 100%;
}

.btn-full {
    width: 100%;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 800;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--white);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 500;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(28, 28, 46, 0.98);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--secondary-dark);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.header.scrolled {
    background: rgba(28, 28, 46, 0.99);
    box-shadow: var(--shadow-md);
}

.nav {
    padding: 1rem 0;
    transition: var(--transition);
}

.nav.scrolled {
    padding: 0.75rem 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    height: 45px;
    width: auto;
    transition: var(--transition);
}

.nav.scrolled .logo {
    height: 40px;
}

.logo-placeholder {
    font-size: 2rem;
    height: 40px;
    width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.nav.scrolled .logo-placeholder {
    height: 35px;
    width: 35px;
    font-size: 1.75rem;
}

.brand-text {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    transition: var(--transition);
}

.nav.scrolled .brand-text {
    font-size: 1.125rem;
}

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

.nav-menu a {
    font-weight: var(--font-weight-semibold);
    color: var(--white);
    padding: 0.75rem 1rem;
    position: relative;
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.nav-menu a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    background-color: rgba(202, 219, 70, 0.1);
}

.nav-menu .btn-contact:focus {
    outline: 2px solid var(--white);
    outline-offset: 2px;
}

.nav-menu a:hover {
    color: var(--primary-color);
    background-color: rgba(202, 219, 70, 0.1);
    transform: translateY(-1px);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
    transform: translateX(-50%);
    border-radius: 1px;
}

.nav-menu a:hover::after {
    width: 80%;
}

.nav-menu a.active {
    color: var(--primary-color);
    background-color: rgba(202, 219, 70, 0.15);
}

.nav-menu a.active::after {
    width: 80%;
}

.nav-menu .btn-contact {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    font-weight: var(--font-weight-semibold);
    text-shadow: none;
}

.nav-menu .btn-contact::after {
    display: none;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.hamburger:hover {
    background-color: rgba(202, 219, 70, 0.1);
}

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

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dark-bg);
    z-index: -2;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25px 25px, rgba(202, 219, 70, 0.1) 2px, transparent 0),
        radial-gradient(circle at 75px 75px, rgba(106, 60, 184, 0.1) 2px, transparent 0);
    background-size: 100px 100px;
    z-index: -1;
}

.hero .container {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero-title {
    font-size: 4rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.title-line {
    display: block;
    color: var(--primary-color);
    margin: 0;
    line-height: 1.1;
}

.title-line-inline {
    color: var(--primary-color);
    margin: 0;
    line-height: 1.1;
    white-space: nowrap;
}

.title-divider {
    width: 80%;
    max-width: 400px;
    height: 2px;
    background: #C4D320;
    border-radius: 1px;
    margin: 0.5rem auto;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-light);
    margin: 0 auto 1rem auto;
    max-width: 600px;
    text-align: center;
}

.hero-slogan {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 auto 2rem auto;
    max-width: 600px;
    text-align: center;
    gap: 1rem;
}

.subtitle-line {
    font-size: 1.25rem;
    color: var(--gray-light);
    font-weight: var(--font-weight-medium);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.subtitle-divider {
    width: 60px;
    height: 3px;
    background: #C4D320;
    border-radius: 1px;
    opacity: 0.9;
}

.hero-content-centered {
    max-width: 800px;
    margin: 0 auto;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-light);
    font-weight: var(--font-weight-medium);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    width: 100%;
    max-width: 400px;
    height: 420px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

/* Trade Show Banner */
.trade-show-banner {
    background: linear-gradient(135deg, var(--secondary-color), #f97316);
    padding: 1rem 0;
    color: var(--white);
}

.banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.banner-text {
    font-weight: var(--font-weight-medium);
}

.banner-cta {
    background-color: var(--white);
    color: var(--secondary-color);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
    transition: var(--transition);
}

.banner-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Services Section */
.services {
    padding: var(--section-padding);
    background-color: var(--secondary-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    justify-items: center;
}

.service-card {
    width: 100%;
    max-width: 400px;
}

.services-grid .service-card:last-child {
    grid-column: 1 / -1;
    justify-self: center;
    max-width: 400px;
}

.service-card {
    background: var(--dark-bg);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--blue-accent);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(202, 219, 70, 0.1);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon img {
    width: 30px;
    height: 30px;
    filter: brightness(0) invert(1);
}

.service-icon span {
    font-size: 2rem;
    font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', 'Android Emoji', sans-serif;
    font-feature-settings: 'liga' off;
    font-variant-emoji: emoji;
    text-rendering: auto;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.service-card p {
    margin-bottom: 1.5rem;
    color: var(--gray-light);
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray-light);
    font-weight: var(--font-weight-medium);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: var(--font-weight-bold);
}

/* Products Section */
.products {
    padding: var(--section-padding);
    background-color: var(--blue-accent);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--secondary-dark);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--blue-accent);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

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

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

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.product-info p {
    margin-bottom: 1.5rem;
    color: var(--gray-light);
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.spec {
    background-color: var(--blue-accent);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
}

.product-cta {
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.product-cta::after {
    content: '→';
    transition: var(--transition);
}

.product-cta:hover {
    color: var(--dark-blue);
}

.product-cta:hover::after {
    transform: translateX(4px);
}

/* About Section */
.about {
    padding: var(--section-padding);
    background-color: var(--secondary-dark);
}

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

.about-description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    justify-items: center;
}

.about-features .feature {
    width: 100%;
    max-width: 350px;
}

.about-features .feature:last-child {
    grid-column: 1 / -1;
    justify-self: center;
    max-width: 350px;
}

.feature {
    padding: 1.5rem;
    background: var(--dark-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-color);
}

.feature h4 {
    color: var(--white);
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.feature p {
    color: var(--gray-light);
    margin: 0;
    font-size: 0.9rem;
}

.about-image {
    display: flex;
    justify-content: center;
}

.about-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background-color: var(--dark-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--secondary-dark);
    border-radius: var(--border-radius);
    border: 1px solid var(--blue-accent);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon img {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
}

.contact-icon-emoji {
    font-size: 1.5rem;
}

.contact-details h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
    color: var(--white);
}

.contact-details a {
    color: var(--primary-color);
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--dark-blue);
}

.contact-details p {
    color: var(--gray-light);
    margin: 0;
}

/* Contact Form */
.contact-form {
    background: var(--secondary-dark);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--blue-accent);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--blue-accent);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--dark-bg);
    color: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    cursor: pointer;
}

/* Footer */
.footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    height: 40px;
    width: auto;
}

.footer-logo-placeholder {
    font-size: 2rem;
    height: 40px;
    width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-brand h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin: 0;
}

.footer-brand p {
    color: var(--gray-400);
    margin: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.link-group h4 {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.link-group ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.link-group a {
    color: var(--gray-400);
    transition: var(--transition);
}

.link-group a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 1rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-400);
    margin: 0;
    font-size: 0.875rem;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .services-grid,
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .contact-content {
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 3rem 0;
        --container-padding: 1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(28, 28, 46, 0.98);
        backdrop-filter: blur(15px);
        border-top: 1px solid var(--secondary-dark);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-xl);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 999;
        gap: 1rem;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu a {
        font-size: 1.125rem;
        padding: 1rem 1.5rem;
        border-radius: var(--border-radius);
        text-align: center;
        color: var(--white);
        background-color: rgba(202, 219, 70, 0.05);
        border: 1px solid rgba(202, 219, 70, 0.2);
    }
    
    .nav-menu a:hover {
        background-color: rgba(202, 219, 70, 0.15);
        color: var(--primary-color);
        border-color: rgba(202, 219, 70, 0.4);
    }
    
    .nav-menu a.active {
        background-color: rgba(202, 219, 70, 0.2);
        color: var(--primary-color);
        border-color: var(--primary-color);
    }
    
    .nav-menu .btn-contact {
        background: var(--primary-color);
        color: var(--white);
        font-weight: var(--font-weight-semibold);
        border: none;
        margin-top: 0.5rem;
    }
    
    .nav-menu .btn-contact:hover {
        background: var(--dark-primary);
        transform: translateY(-1px);
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        padding: 6rem 0 3rem;
        min-height: auto;
        overflow: visible !important;
    }
    
    .hero .container {
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
        text-align: center;
        margin-left: auto;
        margin-right: auto;
        width: 100%;
    }

    .title-line {
        display: block;
        width: 100%;
        text-align: center;
    }

    .title-line-inline {
        display: block;
        width: 100%;
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .etif-card {
        max-width: 100%;
        padding: 1.5rem;
    }
    
    .etif-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .etif-logo {
        height: 50px;
    }
    
    .etif-info h3 {
        font-size: 1.25rem;
    }
    
    .etif-info p {
        font-size: 1rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .banner-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .services-grid,
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-card,
    .product-card {
        margin: 0 auto;
        max-width: 400px;
    }
    
    .about-content {
        text-align: center;
    }
    
    .about-text {
        order: 2;
    }
    
    .about-image {
        order: 1;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 0.75rem;
    }
    
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
        text-align: center;
        margin-left: auto;
        margin-right: auto;
        width: 100%;
    }

    .title-line {
        display: block;
        width: 100%;
        text-align: center;
    }

    .title-line-inline {
        white-space: normal !important;
        display: block;
        width: 100%;
        text-align: center;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-slogan {
        gap: 0.75rem;
    }
    
    .subtitle-line {
        font-size: 1.125rem;
    }
    
    .subtitle-divider {
        width: 50px;
    }
    
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-cta .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .stat {
        min-width: 120px;
    }
    
    .service-card,
    .product-card {
        max-width: none;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .service-card .service-icon {
        float: left;
        margin-right: 1rem;
        margin-bottom: 0;
    }
    
    .service-card h3 {
        margin-left: 77px; /* Icon width (60px) + margin-right (1rem = 16px) + 1px extra */
        margin-top: 0.5rem;
        line-height: 1.3;
    }
    
    .service-card p {
        clear: both;
        margin-top: 1rem;
        margin-left: 77px; /* Same as h3 to align properly */
        padding-left: 0;
    }
    
    .service-features {
        clear: both;
        margin-top: 1rem;
        margin-left: 0;
        padding-left: 0;
    }
    
    .product-info {
        padding: 1.25rem;
    }
    
    .contact-item {
        padding: 1.25rem;
        display: flex;
        align-items: center;
        text-align: left;
        gap: 1rem;
        flex-direction: row;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.75rem;
    }
    
    .footer {
        padding: 2rem 0 1rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: left;
    }
    
    .product-specs {
        justify-content: center;
    }
    
    .feature {
        padding: 1.25rem;
    }
}

/* Pantallas muy estrechas como 400px */
@media (max-width: 420px) {
    :root {
        --container-padding: 0.75rem;
    }

    .hero {
        padding: 3.5rem 1rem 2rem 1rem;
        min-height: auto;
        overflow: visible !important;
        height: auto !important;
    }

    .hero .container {
        padding: 0.5rem;
        text-align: center;
        width: 100%;
        max-width: 100%;
    }

    .hero-content-centered {
        width: 100%;
        min-height: auto;
        display: block !important;
        position: relative !important;
        z-index: 10 !important;
        padding-top: 0.5rem !important;
    }

    .hero-title {
        font-size: 1.75rem !important;
        text-align: center !important;
        margin: 0 auto 1rem auto !important;
        width: 100% !important;
        line-height: 1.5 !important;
        padding: 0.5rem 0 !important;
        display: block !important;
        height: auto !important;
        overflow: visible !important;
    }

    .title-line {
        display: block !important;
        width: 100% !important;
        text-align: center !important;
        font-size: 1.75rem !important;
        line-height: 1.5 !important;
        margin: 0 0 0.5rem 0 !important;
        padding: 0.25rem 0 !important;
        visibility: visible !important;
        color: var(--primary-color) !important;
    }

    .title-divider {
        width: 60px !important;
        margin: 0.5rem auto !important;
        display: block !important;
    }

    .title-line-inline {
        display: block !important;
        width: 100% !important;
        text-align: center !important;
        font-size: 1.75rem !important;
        line-height: 1.3 !important;
        margin: 0.5rem 0 0 0 !important;
        padding: 0 !important;
        visibility: visible !important;
        color: var(--primary-color) !important;
    }

    .hero-subtitle {
        font-size: 1rem;
        text-align: center;
        margin-bottom: 1.5rem;
        padding: 0 1rem;
        line-height: 1.4;
    }

    .hero-cta {
        justify-content: center;
        padding: 0 1rem;
        margin-bottom: 1rem;
    }

    .cta-card {
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
        padding: 1.25rem;
        text-align: center;
    }

    .cta-card h3 {
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }

    .cta-card p {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .btn {
        width: 100%;
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 360px) {
    :root {
        --container-padding: 0.5rem;
    }

    .hero-title {
        font-size: 1.75rem;
        text-align: center;
        margin-left: auto;
        margin-right: auto;
        width: 100%;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .service-card {
        padding: 1.25rem;
    }

    .contact-form {
        padding: 1.25rem;
    }
}

/* Formulario de contacto simple con mailto */