/* ================================================
   RhinosDev - Desenvolvimento de Software
   Tema: Azul #0066CC, Cinzas, Branco
   ================================================ */

/* ================================================
   1. BASE & RESET
   ================================================ */
:root {
    /* Cores Principais */
    --primary-blue: #0066CC;
    --primary-blue-dark: #004C99;
    --primary-blue-light: #3385DB;
    
    /* Tons de Cinza */
    --gray-900: #1a1a1a;
    --gray-800: #2d2d2d;
    --gray-700: #404040;
    --gray-600: #666666;
    --gray-500: #808080;
    --gray-400: #999999;
    --gray-300: #cccccc;
    --gray-200: #e5e5e5;
    --gray-100: #f5f5f5;
    
    /* Cores de Suporte */
    --white: #ffffff;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    
    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Bordas */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ================================================
   2. TIPOGRAFIA
   ================================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    letter-spacing: -0.015em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--spacing-md);
    max-width: 70ch;
}

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

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

/* ================================================
   3. LAYOUT UTILITIES
   ================================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-wide {
    max-width: 1400px;
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ================================================
   4. HEADER & NAVIGATION
   ================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: transform var(--transition-base);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo i {
    font-size: 1.75rem;
}

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

.nav-link {
    color: var(--gray-700);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-blue);
    background-color: var(--gray-100);
}

.nav-link.active {
    color: var(--primary-blue);
    font-weight: 600;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-700);
    cursor: pointer;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        transition: left var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
}

/* ================================================
   5. BUTTONS
   ================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
}

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

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

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

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

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-800);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

/* ================================================
   6. HERO SECTION
   ================================================ */
.hero {
    padding: calc(var(--spacing-3xl) + 70px) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, var(--primary-blue) 100%);
    opacity: 0.03;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    margin-bottom: var(--spacing-md);
}

.hero-subheadline {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ================================================
   7. CARDS & GRIDS
   ================================================ */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    align-items: stretch;
    grid-auto-rows: 1fr;
}

.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 380px;
}

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

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.card ul {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.card ul li {
    padding: var(--spacing-xs) 0;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.card ul li::before {
    content: "✓";
    color: var(--primary-blue);
    font-weight: bold;
}

/* ================================================
   8. FEATURES & SERVICES
   ================================================ */
.features-section {
    background: var(--white);
}

.feature-card {
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    height: 100%;
    display: flex;
    flex-direction: column;
    min-height: 320px;
}

.services-grid,
.tech-grid,
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    align-items: stretch;
    grid-auto-rows: 1fr;
}

.feature-card h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

/* ================================================
   9. PROJECTS SECTION
   ================================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    align-items: stretch;
    grid-auto-rows: 1fr;
}

.project-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 420px;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.project-card-header {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    color: var(--white);
}

.project-card-body {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-card-body p {
    flex-grow: 1;
}

.project-card-body ul {
    margin-bottom: var(--spacing-md);
}

.project-card-body .btn {
    margin-top: auto;
}

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

.project-card-header p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
}

/* ================================================
   10. TIMELINE & ROADMAP
   ================================================ */
.timeline {
    position: relative;
    padding: var(--spacing-xl) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--primary-blue);
    opacity: 0.3;
}

.timeline-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.timeline-marker {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    z-index: 2;
}

.timeline-content {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    flex: 1;
}

.timeline-content h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.timeline-duration {
    display: inline-block;
    background: var(--gray-100);
    color: var(--gray-700);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

.timeline-result {
    margin-top: var(--spacing-sm);
    color: var(--success);
    font-weight: 600;
}

@media (max-width: 768px) {
    .timeline::before {
        left: 25px;
    }
    
    .timeline-item {
        flex-direction: row;
        align-items: flex-start;
    }
}

/* ================================================
   11. DIAGRAMS & INFOGRAPHICS
   ================================================ */
.diagram-container {
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.infographic {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.infographic-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary-blue);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.infographic-card h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.infographic-card .value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin: var(--spacing-sm) 0;
}

/* Before/After Comparison */
.before-after {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.before-card,
.after-card {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.before-card {
    background: #fff5f5;
    border: 2px solid var(--danger);
}

.after-card {
    background: #f0fff4;
    border: 2px solid var(--success);
}

.before-card h4 {
    color: var(--danger);
}

.after-card h4 {
    color: var(--success);
}

/* ================================================
   12. FAQ SECTION
   ================================================ */
.faq-section {
    background: var(--gray-100);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 1.125rem;
    display: flex;
    align-items: flex-start;
}

.faq-question::before {
    content: "";
    color: var(--primary-blue);
    font-weight: 800;
    flex-shrink: 0;
}

button.faq-question > span {
  text-align: left;
  flex-grow: 1;
}

.faq-answer {
    color: var(--gray-700);
    line-height: 1.7;
    padding-left: calc(var(--spacing-sm) + 1.5rem);
}

/* ================================================
   13. FORM & CONTACT SECTION
   ================================================ */
.contact-section {
    background: var(--white);
}

.pipedriveWebForms {
    width: 100%;
}

/* ================================================
   14. FOOTER
   ================================================ */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.footer-section p,
.footer-section a {
    color: var(--gray-400);
    margin-bottom: var(--spacing-xs);
    display: float;
}

.footer-section a:hover {
    color: var(--primary-blue-light);
}

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

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-icon {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: all var(--transition-base);
}

.social-icon:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* ================================================
   15. METRICS & RESULTS
   ================================================ */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.metric-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

.metric-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    color: var(--gray-600);
    font-weight: 500;
}

/* ================================================
   16. TECH STACK BADGES
   ================================================ */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.tech-badge {
    background: var(--gray-100);
    color: var(--gray-800);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid var(--gray-300);
    transition: all var(--transition-fast);
}

.tech-badge:hover {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

/* ================================================
   17. BREADCRUMBS
   ================================================ */
.breadcrumbs {
    padding: var(--spacing-sm) 0;
    margin-top: 70px;
}

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

.breadcrumbs-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--gray-600);
    font-size: 0.875rem;
}

.breadcrumbs-list li:not(:last-child)::after {
    content: "/";
    color: var(--gray-400);
}

.breadcrumbs-list a {
    color: var(--gray-600);
}

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

/* ================================================
   18. UTILITY CLASSES
   ================================================ */
.text-center {
    text-align: center;
}

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

.bg-gray {
    background-color: var(--gray-100);
}

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

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

/* ================================================
   19. ANIMATIONS
   ================================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

/* ================================================
   20. RESPONSIVE UTILITIES
   ================================================ */
@media (max-width: 768px) {
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================================
   21. PERFORMANCE & ACCESSIBILITY
   ================================================ */
/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus styles for accessibility */
*:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Skip to main content for screen readers */
.skip-to-main {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-blue);
    color: var(--white);
    padding: var(--spacing-sm);
    text-decoration: none;
    z-index: 9999;
}

.skip-to-main:focus {
    top: 0;
}

/* ================================================
   FAQ EXPANDABLE / ACCORDION
   ================================================ */
.faq-section {
    background: var(--gray-50);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-blue);
}

.faq-item.active {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    /* align-items: center; */
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    cursor: pointer;
    /* text-align: left; */
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    transition: all var(--transition-base);
}

.faq-question:hover {
    color: var(--primary-blue);
}

.faq-question i {
    font-size: 0.875rem;
    color: var(--primary-blue);
    transition: transform var(--transition-base);
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-md) var(--spacing-lg);
    color: var(--gray-700);
    line-height: 1.6;
    font-size: 0.95rem;
}

.faq-answer strong {
    color: var(--primary-blue);
    font-weight: 600;
}

/* Responsivo FAQ */
@media (max-width: 768px) {
    .faq-question {
        font-size: 1rem;
        padding: var(--spacing-md);
    }
    
    .faq-answer p {
        padding: 0 var(--spacing-md) var(--spacing-md) var(--spacing-md);
        font-size: 0.95rem;
    }
}

/* ================================================
   CONTACT SECTION - TWO COLUMNS
   ================================================ */
.contact-section {
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: minmax(280px, 3fr) 1.5fr;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
    align-items: start;
    max-width: 1400px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-card {
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    text-align: center;
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.info-card i {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.info-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.info-card p {
    color: var(--gray-700);
    margin: 0;
}

.info-card a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.info-card a:hover {
    color: var(--primary-blue-dark);
    text-decoration: underline;
}

/* ================================================
   SCROLL TO TOP BUTTON
   ================================================ */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

@media (max-width: 768px) {
    .scroll-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}