/* ========================================
   FERNANDO FERRARI - MINDFULNESS
   Modern & Sophisticated Design
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #1a4d4d;
    --color-primary-dark: #0f3333;
    --color-primary-light: #2d6a6a;
    --color-secondary: #c9a962;
    --color-secondary-light: #d4b978;
    --color-accent: #3d7a7a;
    --color-bg: #faf9f7;
    --color-bg-dark: #f0ede8;
    --color-text: #2c3e3e;
    --color-text-light: #5a6b6b;
    --color-text-muted: #8a9999;
    --color-white: #ffffff;
    --color-black: #1a1a1a;
    
    /* Typography */
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-xxl: 8rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--space-sm) 0;
    transition: var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(250, 249, 247, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
    letter-spacing: -0.02em;
    transition: var(--transition-base);
}

.navbar.scrolled .logo-text {
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.02em;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-base);
}

.navbar.scrolled .nav-link {
    color: var(--color-text);
}

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

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

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

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

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-base);
}

.navbar.scrolled .nav-toggle span {
    background: var(--color-primary);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-accent) 100%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></svg>');
    background-size: 200px;
    opacity: 0.5;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: var(--space-lg) var(--space-md);
    color: var(--color-white);
}

.hero-subtitle {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-secondary);
    margin-bottom: var(--space-sm);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    max-width: 600px;
    margin: 0 auto var(--space-md);
}

.hero-buttons {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 1rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 1rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    cursor: pointer;
}

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

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

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
}

.navbar.scrolled ~ .btn-outline {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-full {
    width: 100%;
}

/* ========================================
   SECTION STYLES
   ======================================== */
.section-tag {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-secondary);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

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

.section-header {
    margin-bottom: var(--space-lg);
}

.section-header.center {
    text-align: center;
}

.section-header.center .section-subtitle {
    margin: 0 auto;
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about {
    padding: var(--space-xxl) 0;
    background: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.about-image {
    position: relative;
}

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

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 60%;
    height: 60%;
    background: var(--color-bg-dark);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content {
    padding-left: var(--space-md);
}

.about-text {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.about-text strong {
    color: var(--color-primary);
    font-weight: 600;
}

.about-stats {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-bg-dark);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* ========================================
   BENEFITS SECTION
   ======================================== */
.benefits {
    padding: var(--space-xxl) 0;
    background: var(--color-bg-dark);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.benefit-card {
    background: var(--color-white);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

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

.benefit-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-sm);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-icon i {
    font-size: 1.5rem;
    color: var(--color-white);
}

.benefit-card h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.benefit-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ========================================
   COURSES SECTION
   ======================================== */
.courses {
    padding: var(--space-xxl) 0;
    background: var(--color-bg);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.course-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

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

.course-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

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

.course-badge {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    background: var(--color-secondary);
    color: var(--color-primary-dark);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
}

.course-content {
    padding: var(--space-md);
}

.course-content h3 {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.course-content p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.course-features {
    margin-bottom: var(--space-md);
}

.course-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: 0.375rem;
}

.course-features li i {
    color: var(--color-secondary);
    font-size: 0.75rem;
}

/* ========================================
   TESTIMONIALS SECTION
   ======================================== */
.testimonials {
    padding: var(--space-xxl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.testimonials .section-tag {
    color: var(--color-secondary);
}

.testimonials .section-title {
    color: var(--color-white);
}

.testimonials .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.testimonials-slider {
    position: relative;
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    gap: var(--space-md);
    transition: transform 0.5s ease;
}

.testimonial-card {
    flex: 0 0 calc(33.333% - 1.33rem);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.testimonial-quote {
    color: var(--color-secondary);
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-md);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--color-white);
}

.author-role {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.testimonials-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.testimonial-prev,
.testimonial-next {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.testimonial-prev:hover,
.testimonial-next:hover {
    background: var(--color-secondary);
    color: var(--color-primary-dark);
}

.testimonials-dots {
    display: flex;
    gap: 0.5rem;
}

.testimonial-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition-base);
}

.testimonial-dot.active {
    background: var(--color-secondary);
    width: 24px;
}

/* ========================================
   COMPANIES SECTION
   ======================================== */
.companies {
    padding: var(--space-xxl) 0;
    background: var(--color-bg);
}

.companies-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.company-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    min-height: 100px;
}

.company-logo:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.company-name {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-muted);
    transition: var(--transition-base);
}

.company-logo:hover .company-name {
    color: var(--color-primary);
}

.companies-cta {
    text-align: center;
    padding: var(--space-md);
    background: var(--color-bg-dark);
    border-radius: var(--radius-md);
}

.companies-cta p {
    font-size: 1.125rem;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

/* ========================================
   GALLERY SECTION
   ======================================== */
.gallery {
    padding: var(--space-xxl) 0;
    background: var(--color-bg-dark);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 280px);
    gap: var(--space-sm);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26, 77, 77, 0.9) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-md);
    opacity: 0;
    transition: var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay span {
    color: var(--color-white);
    font-weight: 500;
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact {
    padding: var(--space-xxl) 0;
    background: var(--color-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.contact-text {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.contact-icon {
    width: 56px;
    height: 56px;
    background: var(--color-bg-dark);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.contact-details {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.contact-details a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-primary);
}

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

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-white);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-group-small {
    max-width: 80px;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-bg-dark);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--color-text);
    background: var(--color-bg);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%232c3e3e" stroke-width="2"><path d="M6 9l6 6 6-6"/></svg>');
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--space-xl) 0 var(--space-md);
}

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

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    display: block;
    margin-bottom: var(--space-xs);
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-secondary);
    margin-bottom: var(--space-sm);
}

.footer-text {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 320px;
}

.footer-links h4,
.footer-social h4 {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
    color: var(--color-white);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: var(--color-secondary);
}

.social-links {
    display: flex;
    gap: var(--space-xs);
}

.social-links a {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--color-secondary);
    transform: translateY(-2px);
}

.social-links a i {
    font-size: 1.125rem;
    color: var(--color-white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-credit i {
    color: var(--color-secondary);
}

/* ========================================
   WHATSAPP FLOAT
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-md);
    right: var(--space-md);
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    animation: none;
}

.whatsapp-float i {
    font-size: 1.75rem;
    color: var(--color-white);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ========================================
   ANIMATIONS
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.8s ease forwards;
}

.fade-in.delay-1 { animation-delay: 0.2s; }
.fade-in.delay-2 { animation-delay: 0.4s; }
.fade-in.delay-3 { animation-delay: 0.6s; }

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Reveal */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: all 0.8s ease;
}

.reveal-up {
    transform: translateY(40px);
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: translate(0);
}

.reveal-up.delay-1 { transition-delay: 0.1s; }
.reveal-up.delay-2 { transition-delay: 0.2s; }
.reveal-up.delay-3 { transition-delay: 0.3s; }
.reveal-up.delay-4 { transition-delay: 0.4s; }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .about-content {
        padding-left: 0;
    }
    
    .about-image-accent {
        display: none;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonial-card {
        flex: 0 0 calc(50% - 0.5rem);
    }
    
    .companies-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 200px);
    }
    
    .gallery-item.large {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-md);
        padding: var(--space-lg);
        transition: var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        color: var(--color-text) !important;
        font-size: 1.125rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .benefits-grid,
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card {
        flex: 0 0 100%;
    }
    
    .companies-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, 200px);
    }
    
    .gallery-item.large {
        grid-column: span 1;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-group-small {
        max-width: 100%;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-text {
        max-width: 100%;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-xs);
        text-align: center;
    }
    
    .about-stats {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --space-md: 1.5rem;
        --space-lg: 3rem;
        --space-xl: 4rem;
        --space-xxl: 5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .companies-grid {
        grid-template-columns: 1fr;
    }
}