/**
 * Kamila Cardoso - Escola de Beleza
 * Estilos Globais + Animações
 * Paleta: nude, bege dourado, terracota, off-white, dourado (#C9A96E)
 */

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

:root {
    /* Cores principais */
    --color-gold: #C9A96E;
    --color-gold-light: #d4b87d;
    --color-gold-dark: #b8956a;
    --color-charcoal: #1a1a1a;
    --color-charcoal-light: #2d2d2d;
    --color-cream: #faf8f5;
    --color-cream-dark: #f0ebe3;
    --color-terracotta: #c4a484;
    --color-nude: #e8ddd4;
    --color-text: #3d3d3d;
    --color-text-light: #6b6b6b;
    --color-white: #ffffff;
    --color-whatsapp: #25D366;
    
    /* Tipografia */
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Jost', sans-serif;
    
    /* Espaçamentos */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.6s ease;
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.16);
    --shadow-gold: 0 8px 24px rgba(201, 169, 110, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-charcoal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

/* ========================================
   TIPOGRAFIA
======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    margin-bottom: 1em;
}

/* ========================================
   ANIMAÇÕES KEYFRAMES
======================================== */

/* Entrada da página */
@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Saída da página */
@keyframes fadeSlideOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-16px);
    }
}

/* Pulso do botão WhatsApp */
@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    50% {
        box-shadow: 0 0 0 12px rgba(37, 211, 102, 0);
    }
}

/* Brilho sutil */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Fade in simples */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========================================
   CLASSES DE ANIMAÇÃO
======================================== */

/* Animação de saída da página */
body.page-exit {
    animation: fadeSlideOut 0.4s ease forwards;
}

/* Reveal ao rolar (Intersection Observer) */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger animation para cards */
.stagger-1 { animation-delay: 0s; }
.stagger-2 { animation-delay: 0.15s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.45s; }

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

.container-sm {
    max-width: 800px;
}

/* ========================================
   HEADER / NAVBAR
======================================== */
.header {
    padding: var(--spacing-md) 0;
    background: transparent;
    position: relative;
    z-index: 100;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-gold);
    letter-spacing: 0.05em;
}

.logo-subtitle {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--color-cream);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-top: 4px;
}

/* Navbar fixo para página do curso */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(201, 169, 110, 0.2);
}

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

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

.back-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-cream);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--color-gold);
}

/* ========================================
   HERO SECTION
======================================== */
.hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
    animation: fadeSlideIn 0.8s ease forwards;
}

.hero-title {
    color: var(--color-cream);
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    color: var(--color-text-light);
    font-size: 1.1rem;
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
}

/* Linha decorativa dourada */
.gold-line {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    margin: var(--spacing-md) auto;
}

/* ========================================
   CARDS DE CURSO (INDEX)
======================================== */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-lg) 0;
}

.course-card {
    background: var(--color-cream);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    animation: fadeSlideIn 0.6s ease forwards;
    opacity: 0;
    border: 1px solid transparent;
}

.course-card.active {
    cursor: pointer;
}

.course-card.active:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-gold);
}

.course-card.inactive {
    opacity: 0.45;
    filter: grayscale(0.6);
    cursor: not-allowed;
    pointer-events: none;
}

.course-card-icon {
    font-size: 2rem;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.course-card-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-xs);
}

.course-card-description {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.course-card-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.badge-available {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-white);
}

.badge-soon {
    background: var(--color-cream-dark);
    color: var(--color-text-light);
}

.course-card-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-gold-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: gap var(--transition-fast);
}

.course-card.active:hover .course-card-cta {
    gap: 12px;
}

/* ========================================
   PÁGINA DO CURSO - SEÇÕES
======================================== */
.course-page {
    padding-top: 80px; /* Espaço para navbar fixo */
}

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

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

.section-dark {
    background: var(--color-charcoal);
}

.section-contrast {
    background: linear-gradient(135deg, var(--color-charcoal) 0%, var(--color-charcoal-light) 100%);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title h2 {
    color: var(--color-charcoal);
}

.section-dark .section-title h2,
.section-contrast .section-title h2 {
    color: var(--color-cream);
}

/* ========================================
   HERO DO CURSO
======================================== */
.course-hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: linear-gradient(180deg, var(--color-charcoal) 0%, var(--color-charcoal-light) 100%);
}

.course-hero-title {
    color: var(--color-cream);
    margin-bottom: var(--spacing-sm);
}

.course-hero-subtitle {
    color: var(--color-text-light);
    font-size: 1.2rem;
    font-weight: 300;
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================
   LISTA "PARA QUEM É"
======================================== */
.target-list {
    list-style: none;
    max-width: 600px;
    margin: 0 auto;
}

.target-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-cream-dark);
    color: var(--color-text);
}

.target-list li:last-child {
    border-bottom: none;
}

.target-list-icon {
    color: var(--color-gold);
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* ========================================
   CARD DA INSTRUTORA
======================================== */
.instructor-card {
    background: var(--color-white);
    border-radius: 16px;
    padding: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.instructor-name {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-charcoal);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.instructor-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-sm);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 600;
    color: var(--color-gold);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: 8px;
}

.instructor-description {
    text-align: center;
    color: var(--color-text);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   TIMELINE / COMO FUNCIONA
======================================== */
.timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.timeline-item {
    background: var(--color-white);
    border-radius: 12px;
    padding: var(--spacing-md);
    position: relative;
    border-left: 4px solid var(--color-gold);
}

.timeline-day {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.timeline-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-charcoal);
    margin-bottom: 8px;
}

.timeline-description {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.timeline-highlight {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-cream-dark);
    border-radius: 8px;
    color: var(--color-text);
    font-weight: 500;
}

/* ========================================
   GRID DE CONTEÚDO
======================================== */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-sm);
    max-width: 900px;
    margin: 0 auto;
}

.content-item {
    background: var(--color-white);
    border-radius: 8px;
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    color: var(--color-text);
    font-size: 0.95rem;
    border: 1px solid var(--color-cream-dark);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.content-item:hover {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-sm);
}

/* ========================================
   BLOCOS INCLUSOS
======================================== */
.included-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.included-block {
    background: var(--color-white);
    border-radius: 12px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.included-block-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-gold);
}

.included-list {
    list-style: none;
}

.included-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--color-text);
    font-size: 0.95rem;
}

.included-list li::before {
    content: "✓";
    color: var(--color-gold);
    font-weight: bold;
}

/* ========================================
   DIFERENCIAIS
======================================== */
.differentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.differential-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(201, 169, 110, 0.3);
    border-radius: 12px;
    padding: var(--spacing-md);
    text-align: center;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.differential-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-gold);
}

.differential-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.differential-text {
    color: var(--color-cream);
    font-size: 1rem;
}

/* ========================================
   CTA FINAL
======================================== */
.cta-section {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.cta-title {
    color: var(--color-cream);
    margin-bottom: var(--spacing-sm);
}

.cta-text {
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   BOTÃO WHATSAPP
======================================== */
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--color-whatsapp);
    color: var(--color-white);
    padding: 18px 36px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    animation: pulse 2s infinite;
}

.btn-whatsapp:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

/* ========================================
   FOOTER
======================================== */
.footer {
    background: var(--color-charcoal);
    border-top: 1px solid rgba(201, 169, 110, 0.2);
    padding: var(--spacing-md) 0;
    text-align: center;
}

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

.footer-text span {
    color: var(--color-gold);
}

/* ========================================
   RESPONSIVO - MOBILE FIRST
======================================== */

/* Tablets (768px+) */
@media (min-width: 768px) {
    .header-content {
        flex-direction: row;
        justify-content: center;
    }
    
    .hero {
        padding: var(--spacing-xl) 0 var(--spacing-lg);
    }
    
    .courses-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .instructor-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .content-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Mobile pequeno (até 375px) */
@media (max-width: 375px) {
    :root {
        --spacing-md: 16px;
        --spacing-lg: 32px;
        --spacing-xl: 48px;
    }
    
    .course-card {
        padding: var(--spacing-md);
    }
    
    .btn-whatsapp {
        padding: 14px 24px;
        font-size: 0.9rem;
    }
}