/* ================================
   INFRAFLOW - CLOUD CONSULTING
   Modern Minimalist Design
   Blue & Teal Color Palette
   ================================ */

/* ============
   CSS VARIABLES
   ============ */

:root {
    /* Colors */
    --primary-blue: #0066cc;
    --secondary-teal: #00a8cc;
    --accent-cyan: #00d9ff;
    --dark-blue: #003d7a;
    --light-bg: #f5f8fa;
    --white: #ffffff;
    --text-dark: #1a2a3a;
    --text-light: #6b7a8a;
    --border-light: #e0e8f0;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============
   GLOBAL
   ============ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============
   TYPOGRAPHY
   ============ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -1px;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

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

.btn {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-teal) 100%);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 102, 204, 0.4);
}

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

.btn-secondary:hover {
    background: var(--light-bg);
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color 0.3s;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-teal));
    transition: width 0.3s;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

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

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: white;
        padding: var(--spacing-lg);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        gap: var(--spacing-md);
    }

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

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

.hero {
    margin-top: 70px;
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: var(--white);
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.bg-gradient {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
}

.gradient-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-teal));
    top: -200px;
    right: -200px;
}

.gradient-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--secondary-teal), var(--accent-cyan));
    bottom: -150px;
    left: -150px;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-light);
}

.metric h3 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.metric p {
    font-size: 0.9rem;
    color: var(--text-light);
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: var(--spacing-xl) var(--spacing-md);
    }

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

    .hero-metrics {
        grid-template-columns: 1fr;
    }
}

/* ============
   SECTIONS
   ============ */

section {
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: 1.1rem;
}

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

.services {
    background: var(--light-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition-slow);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--secondary-teal);
    box-shadow: 0 12px 24px rgba(0, 168, 204, 0.1);
}

.service-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

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

.service-card p {
    font-size: 0.95rem;
}

/* ============
   SOLUTIONS
   ============ */

.solutions {
    background: var(--white);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.solution-item {
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition);
    border-radius: var(--radius-lg);
}

.solution-item:hover {
    background: var(--light-bg);
}

.solution-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.solution-item h3 {
    margin-bottom: var(--spacing-md);
}

.solution-item p {
    font-size: 0.95rem;
}

/* ============
   RESULTS
   ============ */

.results {
    background: var(--light-bg);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.result-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.result-card:hover {
    border-color: var(--secondary-teal);
    box-shadow: 0 8px 20px rgba(0, 168, 204, 0.1);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-lg);
}

.result-header h3 {
    flex: 1;
}

.badge {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-teal));
    color: var(--white);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    margin-left: var(--spacing-md);
}

.result-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.result-metric h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.result-metric p {
    font-size: 0.85rem;
    margin: 0;
}

.result-description {
    font-size: 0.95rem;
    margin: 0;
}

/* ============
   CTA SECTION
   ============ */

.cta-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-teal) 100%);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.contact {
    background: var(--white);
}

.contact-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info h2 {
    margin-bottom: var(--spacing-md);
}

.contact-info > p {
    margin-bottom: var(--spacing-xl);
    font-size: 1.05rem;
}

.info-items {
    display: grid;
    gap: var(--spacing-lg);
}

.info-item {
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    display: block;
    font-weight: 600;
    color: var(--primary-blue);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-item p {
    margin: 0;
    font-size: 1rem;
}

.contact-form {
    background: var(--light-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--white);
    color: var(--text-dark);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary-teal);
    box-shadow: 0 0 0 3px rgba(0, 168, 204, 0.1);
}

.error {
    border-color: #ef4444 !important;
}

.error-message {
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
    display: block;
}

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

.footer {
    background: var(--dark-blue);
    color: white;
    padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-lg);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

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

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--accent-cyan);
}

.footer-bottom {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

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

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

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

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

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .result-metrics {
        grid-template-columns: 1fr;
    }
}