/* ============================================
   Wesley Ribeiro da Silva - Portfólio
   CSS Completo
   ============================================ */

/* ---------- VARIÁVEIS ---------- */
:root {
    --primary: #1E3A8A;
    --primary-dark: #1e40af;
    --accent: #14B8A6;
    --accent-dark: #0d9488;
    --ink: #0B1220;
    --muted: #64748B;
    --surface: #FFFFFF;
    --bg: #F5F7FB;
    --border: #E2E8F0;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: 0.3s ease;
    --transition-fast: 0.15s ease;
}

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

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

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--ink);
}

/* ---------- LOADER ---------- */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ---------- CONTAINER ---------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- NAVBAR ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    padding: 12px 0;
    box-shadow: var(--shadow);
}

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

.navbar-brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--surface);
    transition: color var(--transition);
}

.navbar.scrolled .navbar-brand {
    color: var(--ink);
}

.navbar-menu {
    display: none;
    list-style: none;
    gap: 32px;
}

.navbar-menu a {
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition);
}

.navbar.scrolled .navbar-menu a {
    color: var(--muted);
}

.navbar-menu a:hover {
    color: var(--accent);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.navbar-toggle span {
    width: 24px;
    height: 2px;
    background: var(--surface);
    border-radius: 2px;
    transition: all var(--transition);
}

.navbar.scrolled .navbar-toggle span {
    background: var(--ink);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100%;
    background: var(--ink);
    z-index: 1001;
    padding: 80px 30px 30px;
    transition: right var(--transition);
}

.mobile-menu.open {
    right: 0;
}

.mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--surface);
    font-size: 28px;
    cursor: pointer;
}

.mobile-menu ul {
    list-style: none;
}

.mobile-menu li {
    margin-bottom: 20px;
}

.mobile-menu a {
    color: var(--surface);
    font-size: 1.1rem;
    font-weight: 500;
}

.mobile-menu a:hover {
    color: var(--accent);
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.mobile-overlay.open {
    opacity: 1;
    visibility: visible;
}

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

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

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

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

.btn-accent:hover {
    background: var(--accent-dark);
    color: var(--surface);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--surface);
    color: var(--ink);
}

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

.btn-outline-dark:hover {
    background: var(--ink);
    color: var(--surface);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1.1rem;
}

/* ---------- HERO ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--ink) 0%, var(--primary-dark) 100%);
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-badge {
    display: inline-block;
    background: rgba(20, 184, 166, 0.2);
    color: var(--accent);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--surface);
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-text {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    max-width: 550px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: bounce 2s infinite;
}

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

/* ---------- MARQUEE ---------- */
.marquee {
    background: var(--ink);
    padding: 20px 0;
    overflow: hidden;
}

.marquee-content {
    display: flex;
    animation: marquee 20s linear infinite;
}

.marquee-content span {
    color: rgba(255,255,255,0.6);
    font-size: 1.1rem;
    font-weight: 600;
    white-space: nowrap;
    padding: 0 40px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
    .marquee-content { animation: none; }
}

/* ---------- SECTIONS ---------- */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    background: rgba(30, 58, 138, 0.1);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ---------- SERVICES ---------- */
.services {
    background: var(--surface);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--surface);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--muted);
    font-size: 0.95rem;
}

/* ---------- PORTFOLIO ---------- */
.portfolio {
    background: var(--bg);
}

.portfolio-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--muted);
    cursor: pointer;
    transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--surface);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.portfolio-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

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

.portfolio-card.destaque {
    grid-column: span 2;
}

.portfolio-image {
    height: 220px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--ink) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: rgba(255,255,255,0.2);
    position: relative;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.portfolio-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--accent);
    color: var(--surface);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.portfolio-content {
    padding: 24px;
}

.portfolio-category {
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.portfolio-card h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.portfolio-client {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.portfolio-card p {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.portfolio-link:hover {
    color: var(--accent);
    gap: 12px;
}

/* ---------- ABOUT ---------- */
.about {
    background: var(--surface);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.about-image-main {
    position: relative;
    width: 320px;
    height: 400px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image-main::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: calc(var(--radius-xl) + 4px);
    z-index: -1;
    opacity: 0.3;
}

.about-image-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.about-image-placeholder {
    width: 320px;
    height: 400px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--ink) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: rgba(255,255,255,0.2);
    border-radius: var(--radius-xl);
}

.about-content h2 {
    font-size: 2rem;
    margin-bottom: 24px;
}

.about-text {
    color: var(--muted);
    margin-bottom: 32px;
    white-space: pre-line;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--bg);
    border-radius: var(--radius);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.stat-label {
    color: var(--muted);
    font-size: 0.85rem;
}

/* ---------- TESTIMONIALS ---------- */
.testimonials {
    background: var(--ink);
    color: var(--surface);
}

.testimonials .section-badge {
    background: rgba(20, 184, 166, 0.2);
    color: var(--accent);
}

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

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

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

.testimonials-track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial-card {
    flex: 0 0 100%;
    padding: 0 20px;
}

.testimonial-content {
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid rgba(255,255,255,0.1);
}

.testimonial-stars {
    color: #fbbf24;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--surface);
}

.testimonial-info h4 {
    color: var(--surface);
    font-size: 1rem;
    margin-bottom: 4px;
}

.testimonial-info p {
    color: var(--accent);
    font-size: 0.85rem;
}

.testimonials-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
}

.testimonials-nav button {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
    background: transparent;
    color: var(--surface);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition);
}

.testimonials-nav button:hover {
    background: var(--accent);
    border-color: var(--accent);
}

/* ---------- CTA SECTION ---------- */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    color: var(--surface);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 16px;
}

.cta-section p {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

/* ---------- CONTACT ---------- */
.contact {
    background: var(--surface);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--bg);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 0.9rem;
    color: var(--muted);
    font-weight: 500;
    margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
    font-size: 1rem;
    color: var(--ink);
}

.contact-form-wrapper {
    background: var(--bg);
    padding: 40px;
    border-radius: var(--radius-lg);
}

.contact-form h3 {
    font-size: 1.3rem;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    transition: all var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-submit {
    width: 100%;
}

.form-message {
    padding: 16px;
    border-radius: var(--radius);
    margin-top: 16px;
    font-size: 0.95rem;
}

.form-message.success {
    background: #dcfce7;
    color: #166534;
}

.form-message.error {
    background: #fef2f2;
    color: #dc2626;
}

/* ---------- ACCESS SECTION ---------- */
.access-section {
    background: var(--bg);
    padding: 60px 0;
}

.access-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.access-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    border: 2px solid transparent;
}

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

.access-card.aluno:hover {
    border-color: var(--accent);
}

.access-card.professor:hover {
    border-color: var(--primary);
}

.access-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.access-card.aluno .access-icon {
    background: rgba(20, 184, 166, 0.1);
    color: var(--accent);
}

.access-card.professor .access-icon {
    background: rgba(30, 58, 138, 0.1);
    color: var(--primary);
}

.access-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.access-card p {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

/* ---------- FOOTER ---------- */
.footer {
    background: var(--ink);
    padding: 60px 0 30px;
    color: rgba(255,255,255,0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    color: var(--surface);
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.95rem;
    max-width: 300px;
}

.footer h4 {
    color: var(--surface);
    font-size: 1rem;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
}

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

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--surface);
    font-size: 1.1rem;
    transition: all var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.footer-bottom p {
    font-size: 0.9rem;
}

.footer-admin {
    color: rgba(255,255,255,0.3);
    font-size: 0.9rem;
}

.footer-admin:hover {
    color: var(--accent);
}

/* ---------- REVEAL ANIMATIONS ---------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* ---------- RESPONSIVE ---------- */
@media (min-width: 768px) {
    .navbar-menu {
        display: flex;
    }
    
    .navbar-toggle {
        display: none;
    }
    
    .about-grid {
        grid-template-columns: 400px 1fr;
        gap: 80px;
    }
    
    .about-image-main {
        width: 100%;
        height: 480px;
    }
    
    .about-image-placeholder {
        width: 100%;
        height: 480px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr 1.2fr;
    }
    
    .testimonial-card {
        flex: 0 0 50%;
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
    
    .testimonial-card {
        flex: 0 0 50%;
    }
}

@media (max-width: 767px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .portfolio-card.destaque {
        grid-column: span 1;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand p {
        max-width: 100%;
    }
    
    .footer-bottom {
        justify-content: center;
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

/* ---------- UTILITIES ---------- */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-primary { color: var(--primary); }
.text-muted { color: var(--muted); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }