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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

/* Variables */
:root {
    --primary-color: #0ea5e9;
    --secondary-color: #1e293b;
    --accent-color: #06b6d4;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --text-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --border-light: #e2e8f0;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --border-radius: 0.5rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-dark);
}

.text-blue {
    color: var(--primary-color);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header/Navigation */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.nav-logo .logo {
    height: 100px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
    max-width: 200px;
}

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

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-light) 0%, #ffffff 100%);
    padding-top: 80px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: #0284c7;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid var(--border-light);
}

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

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

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

.hero-graphic {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.hero-graphic i {
    font-size: 6rem;
    color: white;
}

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: 5rem 0;
    background: var(--bg-light);
}

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

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-description {
    color: var(--text-light);
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 5rem 0;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

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

.feature i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.about-stats {
    display: grid;
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: var(--border-radius);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-weight: 500;
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: var(--bg-light);
}

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

.contact-info {
    display: grid;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

.contact-icon i {
    color: white;
    font-size: 1.25rem;
}

.contact-details h3 {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

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

/* Form Styles */
.form {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

.form-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-input::placeholder {
    color: var(--text-light);
}

/* reCAPTCHA Styling */
.g-recaptcha {
    display: flex;
    justify-content: center;
    margin: 1rem 0;
}

/* Button Loading State */
.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loading {
    display: none;
    align-items: center;
    gap: 0.5rem;
}

.btn-loading i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Form Error States */
.form-input.error {
    border-color: #ef4444;
    background-color: #fef2f2;
}

.form-input.success {
    border-color: #10b981;
    background-color: #f0fdf4;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo .logo {
    height: 45px;
    width: auto;
    object-fit: contain;
    margin-bottom: 1rem;
    transition: var(--transition);
    max-width: 180px;
}

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

.footer-logo p {
    color: #94a3b8;
    line-height: 1.6;
}

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

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 0.5rem;
}

.footer ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: var(--transition);
}

.footer ul li a:hover {
    color: var(--primary-color);
}

.footer-contact p {
    color: #94a3b8;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact i {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 2rem;
    text-align: center;
    color: #94a3b8;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-credits {
    font-size: 0.875rem;
    opacity: 0.8;
}

.nsweb-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nsweb-link:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 6rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25d366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: var(--transition);
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
    background: #128c7e;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
}

.whatsapp-float i {
    font-size: 1.8rem;
    color: white;
}

@keyframes whatsappPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: #0284c7;
    transform: translateY(-2px);
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 3rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .nav-logo .logo {
        height: 48px;
    }

    .footer-logo .logo {
        height: 38px;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

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

    .nav-list {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero {
        padding-top: 120px;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-graphic {
        width: 250px;
        height: 250px;
    }

    .hero-graphic i {
        font-size: 4rem;
    }

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

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

    .about-features {
        grid-template-columns: 1fr;
    }

    .footer-logo {
        align-items: center;
        text-align: center;
    }

    .nav-logo .logo {
        height: 42px;
        max-width: 180px;
    }

    .footer-logo .logo {
        height: 35px;
        max-width: 160px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }

    .whatsapp-float {
        bottom: 4.5rem;
        right: 1rem;
        width: 50px;
        height: 50px;
    }

    .whatsapp-float i {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }

    .hero-title {
        font-size: 2rem;
    }

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

    .service-card {
        padding: 2rem;
    }

    .form {
        padding: 1.5rem;
    }

    .g-recaptcha {
        transform: scale(0.85);
        transform-origin: center;
    }

    .nav-logo .logo {
        height: 38px;
        max-width: 160px;
    }

    .footer-logo .logo {
        height: 32px;
        max-width: 140px;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Scroll Animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease-out;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Print Styles */
@media print {
    .header,
    .back-to-top {
        display: none;
    }
    
    .hero {
        padding-top: 0;
    }
    
    * {
        box-shadow: none !important;
    }
}