/**
 * Layout Components - Header, Navigation, Footer
 */

/* =====================================================
   HEADER (Design Verde)
   ===================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--gradient-primary);
    border-bottom: none;
    padding: var(--space-md) 0;
    z-index: 1000;
    box-shadow: 0 4px 16px rgba(42, 157, 143, 0.16);
    width: 100%;
    overflow-x: hidden;
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-sm);
    width: 100%;
    overflow-x: hidden;
}

.header__brand {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-white);
    text-decoration: none;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-md);
    transition: var(--transition-fast);
}

.header__brand:hover {
    opacity: 0.9;
}

.header__icon {
    width: 20px;
    height: 20px;
    color: var(--color-white);
}

/* Logo Image in Header */
.header__logo {
    height: 32px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

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

.header__link {
    color: var(--color-white);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.header__link:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Badge Membros no Header */
.header__badge-members {
    display: inline-flex;
    align-items: center;
    font-size: 0.75rem;
    opacity: 0.85;
    transition: opacity var(--transition-fast);
}

.header__link:hover .header__badge-members {
    opacity: 1;
}

/* Header CTA - Destaque especial para "1ª Aula Grátis" */
.header__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    background: var(--color-accent);
    color: var(--color-white);
    text-decoration: none;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-full);
    box-shadow: 0 4px 16px rgba(231, 111, 81, 0.4);
    transition: all var(--transition-fast);
    animation: pulse-glow 2s ease-in-out infinite;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.header__cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s;
}

.header__cta:hover::before {
    left: 100%;
}

.header__cta:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 24px rgba(231, 111, 81, 0.5);
    animation: none;
}

.header__cta i {
    width: 16px;
    height: 16px;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(231, 111, 81, 0.4);
    }
    50% {
        box-shadow: 0 4px 24px rgba(231, 111, 81, 0.6), 0 0 12px rgba(231, 111, 81, 0.3);
    }
}

.header__toggle {
    display: none;
    min-width: 48px;
    min-height: 48px;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 12px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.header__toggle:hover,
.header__toggle:focus {
    background: rgba(255, 255, 255, 0.1);
}

.header__toggle:active {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(0.95);
}

@media (max-width: 768px) {
    .header {
        width: 100%;
        max-width: 100%;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
    }
    
    .header__content {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .header__nav {
        position: fixed;
        top: 73px;
        left: 0;
        right: 0;
        width: 100%;
        max-width: 100%;
        background: var(--color-primary-dark);
        flex-direction: column;
        gap: 0;
        padding: var(--space-lg) var(--space-md);
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        overflow-x: hidden;
        box-sizing: border-box;
    }
    
    .header__nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .header__link {
        width: 100%;
        text-align: center;
        padding: var(--space-md) var(--space-lg);
        border-radius: 0;
        box-sizing: border-box;
        justify-content: center;
    }
    
    .header__link:hover {
        background: rgba(255, 255, 255, 0.1);
    }
    
    .header__badge-members {
        font-size: 0.5rem;
        padding: 0.1rem 0.3rem;
    }
    
    .header__toggle {
        display: flex;
    }
}

/* =====================================================
   STICKY MENU / HEADER (Legacy - Manter para compatibilidade)
   ===================================================== */
.sticky-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: linear-gradient(135deg, #2A9D8F 0%, #264653 100%);
    padding: 1rem 1.5rem;
    box-shadow: 0 4px 16px rgba(42, 157, 143, 0.16);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    overflow-x: hidden;
    box-sizing: border-box;
}

.sticky-menu__brand {
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sticky-menu__nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.sticky-menu__link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    transition: all 0.2s;
}

.sticky-menu__link:hover {
    background: rgba(255,255,255,0.15);
}

.sticky-menu__link--active {
    background: rgba(255,255,255,0.2);
}

.sticky-menu__toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

@media (max-width: 768px) {
    .sticky-menu__nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        background: #264653;
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        display: none;
        overflow-x: hidden;
        box-sizing: border-box;
    }
    
    .sticky-menu__nav.active {
        display: flex;
    }
    
    .sticky-menu__link {
        width: 100%;
        text-align: center;
        padding: 1rem;
        border-radius: 0;
        box-sizing: border-box;
    }
    
    .sticky-menu__toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* =====================================================
   BACK LINK
   ===================================================== */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    margin-bottom: var(--space-lg);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: all 0.2s;
}

.back-link:hover {
    background: var(--color-white);
    transform: translateX(-4px);
}

/* =====================================================
   FOOTER (2-Column Layout)
   ===================================================== */
.footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--space-3xl) 0 var(--space-xl);
    margin-top: var(--space-3xl);
}

.footer__container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
    align-items: flex-start;
}

/* LEFT COLUMN: BRAND & TAGLINE */
.footer__left {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
}

.footer__logo {
    height: 64px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    margin-bottom: var(--space-sm);
}

.footer__brand-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin: 0;
    color: var(--color-white);
}

.footer__tagline {
    color: var(--color-gray-300);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    max-width: 220px;
    margin: 0;
}

.footer__social {
    display: flex;
    gap: var(--space-md);
}

.footer__social-link {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: var(--transition-fast);
    text-decoration: none;
}

.footer__social-link:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
}

/* RIGHT COLUMN: 2 LINK COLUMNS */
.footer__right {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3xl);
}

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

.footer__column-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    margin: 0;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

.footer__link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-gray-300);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
    padding: 0.375rem 0;
}

.footer__link:hover {
    color: var(--color-primary-light);
    padding-left: var(--space-xs);
}

.footer__link i {
    flex-shrink: 0;
}

/* FOOTER BOTTOM */
.footer__bottom {
    text-align: center;
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

.footer__copyright {
    margin: 0;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .footer__container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .footer__right {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .footer {
        padding: var(--space-2xl) 0 var(--space-lg);
    }
    
    .footer__container {
        gap: var(--space-2xl);
        margin-bottom: var(--space-2xl);
    }
    
    .footer__right {
        grid-template-columns: 1fr;
    }
    
    .footer__brand-title {
        font-size: var(--font-size-xl);
    }
    
    .footer__logo {
        height: 48px;
    }
}

/* =====================================================
   ADDITIONAL MOBILE OPTIMIZATIONS
   ===================================================== */
@media (max-width: 480px) {
    .header__content {
        padding: 0 0.5rem;
    }
    
    .header__brand {
        font-size: var(--font-size-sm);
    }
    
    .header__cta {
        padding: 0.4rem 0.75rem;
        font-size: 0.75rem;
    }
    
    .header__cta i {
        width: 12px;
        height: 12px;
    }
    
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

@media (max-width: 360px) {
    .header__brand span {
        max-width: 120px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .header__cta {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 120px;
    }
}