/* ===================================
   AURIX TECHNOLOGIES - MAIN STYLESHEET
   Modern, Responsive, Performance-Optimized
   =================================== */

/* ===== CSS RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ===== CSS VARIABLES ===== */
:root {
    /* Primary Colors */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;

    /* Secondary Colors */
    --secondary-color: #0ea5e9;
    --accent-color: #f59e0b;

    /* Neutral Colors */
    --dark: #0f172a;
    --dark-gray: #1e293b;
    --medium-gray: #475569;
    --light-gray: #cbd5e1;
    --bg-light: #f8fafc;
    --white: #ffffff;

    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #64748b;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* 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);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ===== GLOBAL STYLES ===== */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

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

a:hover {
    color: var(--primary-dark);
}

/* ===== CONTAINER & LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xxl) 0;
}

.section-alt {
    background-color: var(--bg-light);
}

/* ===== HEADER ===== */
.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-base);
}

.header-top {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--spacing-xs) 0;
    font-size: 0.875rem;
}

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

.header-contact {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.header-contact a {
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-contact a:hover {
    color: var(--accent-color);
}

.header-main {
    padding: var(--spacing-sm) 0;
}

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

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

.logo img {
    height: 50px;
    width: auto;
}

/* ===== NAVIGATION ===== */
.nav {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    color: var(--text-primary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    display: block;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

/* Dropdown Menu */
.nav-menu .dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    min-width: 220px;
    padding: var(--spacing-xs);
    z-index: 100;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    padding: var(--spacing-xs) var(--spacing-sm);
    white-space: nowrap;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ===== HERO SECTION ===== */
.hero {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') bottom center no-repeat;
    background-size: cover;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.hero-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
}

.hero-image {
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.2));
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    text-align: center;
    font-size: 1rem;
    font-family: var(--font-primary);
}

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

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

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

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

.btn-accent:hover {
    background: #d97706;
    transform: translateY(-2px);
}

.btn-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ===== CARDS ===== */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    transition: var(--transition-base);
    height: 100%;
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.card-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);
    font-size: 1.5rem;
    color: var(--white);
}

.card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* ===== GRID SYSTEM ===== */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== SECTION HEADERS ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header .label {
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.875rem var(--spacing-sm);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* ===== PRICING TABLES ===== */
.pricing-card {
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: left;
    transition: var(--transition-base);
    position: relative;
}

.pricing-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-xl);
    transform: scale(1.05);
}

.pricing-card.featured {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured h3,
.pricing-card.featured p,
.pricing-card.featured .price {
    color: var(--white);
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: var(--spacing-md) 0;
}

.price-currency {
    font-size: 1.5rem;
}

.pricing-features {
    list-style: none;
    margin: var(--spacing-lg) 0;
    text-align: left;
}

.pricing-features li {
    padding: var(--spacing-xs) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

.pricing-features li:before {
    content: '✓';
    color: #10b981;
    font-weight: bold;
    font-size: 1.25rem;
}

/* ===== TECHNOLOGY ICONS ===== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.tech-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.tech-icon {
    width: 56px;
    height: 56px;
    object-fit: contain;
}

.tech-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--spacing-xxl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-about h3,
.footer-links h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-about p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    display: block;
    padding: 0.25rem 0;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: var(--spacing-xs);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

.footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.footer-social a svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.footer-social a.instagram:hover { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.footer-social a.facebook:hover { background: #1877F2; }
.footer-social a.twitter:hover { background: #000000; }
.footer-social a.linkedin:hover { background: #0A66C2; }

/* ===== WHATSAPP BUTTON ===== */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50%;
    text-align: center;
    box-shadow: var(--shadow-xl);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    cursor: pointer;
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

.whatsapp-float:hover {
    background-color: #128c7e;
    transform: scale(1.1);
    color: #fff;
}

/* ===== BREADCRUMBS ===== */
.breadcrumbs {
    padding: var(--spacing-sm) 0;
    background: var(--bg-light);
}

.breadcrumbs ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.breadcrumbs li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.breadcrumbs li:not(:last-child):after {
    content: '/';
    color: var(--text-light);
}

.breadcrumbs a {
    color: var(--text-secondary);
}

.breadcrumbs a:hover {
    color: var(--primary-color);
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .header-top .container {
        justify-content: center;
    }

    .header-contact {
        font-size: 0.75rem;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-md);
        gap: 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        padding-left: var(--spacing-md);
    }

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

    .hero-text h1 {
        font-size: 2rem;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

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

    .btn-group {
        flex-direction: column;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .section {
        padding: var(--spacing-lg) 0;
    }

    .hero-text h1 {
        font-size: 1.75rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }
}

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

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

/* ===== LOADING STATE ===== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 0.6s linear infinite;
}

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

/* ===== SCROLL PROGRESS / BACK TO TOP ===== */
.progress-wrap {
    position: fixed;
    right: 30px;
    bottom: 120px;
    height: 46px;
    width: 46px;
    cursor: pointer;
    display: block;
    border-radius: 50%;
    box-shadow: inset 0 0 0 2px rgba(37, 99, 235, 0.2);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: all 0.3s ease;
}

.progress-wrap.active-progress {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.progress-wrap::after {
    position: absolute;
    content: '↑';
    font-family: var(--font-primary);
    text-align: center;
    line-height: 46px;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    left: 0;
    top: 0;
    height: 46px;
    width: 46px;
    cursor: pointer;
    display: block;
    z-index: 1;
    transition: all 0.3s ease;
}

.progress-wrap:hover::after {
    color: var(--primary-dark);
}

.progress-wrap svg path {
    fill: none;
}

.progress-wrap svg.progress-circle path {
    stroke: var(--primary-color);
    stroke-width: 4;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.progress-wrap:hover svg.progress-circle path {
    stroke: var(--primary-dark);
}

@media (max-width: 768px) {
    .progress-wrap {
        right: 20px;
        bottom: 90px;
        height: 40px;
        width: 40px;
    }

    .progress-wrap::after {
        line-height: 40px;
        height: 40px;
        width: 40px;
        font-size: 18px;
    }
}