/* =============================================
   Responsive Styles
   ============================================= */

/* Large Desktop */
@media (max-width: 1200px) {
    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet */
@media (max-width: 992px) {
    :root {
        --header-height: 70px;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 320px;
        height: 100vh;
        background: var(--dark);
        padding: var(--header-height) 24px 24px;
        overflow-y: auto;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        box-shadow: -8px 0 32px rgba(0,0,0,0.3);
    }

    .main-nav.open {
        right: 0;
    }

    .main-nav .nav-list {
        flex-direction: column;
        gap: 0;
    }

    .main-nav .nav-list > li > a {
        padding: 14px 16px;
        font-size: 0.9375rem;
        border-radius: 8px;
        justify-content: space-between;
    }

    .dropdown {
        position: static;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 8px;
        box-shadow: none;
        padding: 4px 8px;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        margin-bottom: 4px;
    }

    .has-dropdown.dropdown-open > .dropdown {
        display: block;
    }

    .dropdown li a {
        color: rgba(255, 255, 255, 0.7);
        font-size: 0.8125rem;
        padding: 10px 16px;
    }

    .dropdown li a:hover {
        background: rgba(255, 255, 255, 0.08);
        color: var(--accent);
    }

    .hamburger {
        display: flex;
    }

    .btn-marketplace {
        display: none;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .posts-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }

    .parallax-cta {
        height: 500px;
    }

    .slider-progress-wrap {
        right: 24px;
        bottom: 28px;
    }

    .slider-dots {
        left: 24px;
        bottom: 28px;
    }

    .hero-shapes {
        display: none;
    }

    /* Mobile nav overlay */
    .nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        opacity: 0;
        visibility: hidden;
        z-index: 998;
        transition: opacity var(--transition), visibility var(--transition);
    }

    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .hero {
        min-height: 600px;
    }

    .hero-content {
        padding: calc(var(--header-height) + 24px) 20px 120px;
    }

    .hero-title {
        font-size: clamp(2.5rem, 12vw, 4.5rem);
    }

    .hero-badge {
        font-size: 0.625rem;
        padding: 6px 16px;
        letter-spacing: 2px;
        margin-bottom: 20px;
    }

    .hero-buttons {
        gap: 10px;
    }

    .btn-hero {
        padding: 10px 20px;
        font-size: 0.6875rem;
        letter-spacing: 1.5px;
    }

    .slider-arrow {
        width: 40px;
        height: 40px;
    }

    .slider-arrow svg {
        width: 16px;
        height: 16px;
    }

    .slider-prev {
        left: 12px;
    }

    .slider-next {
        right: 12px;
    }

    .scroll-indicator {
        display: none;
    }

    .slider-progress-wrap {
        right: 16px;
        bottom: 20px;
    }

    .slider-dots {
        left: 16px;
        bottom: 20px;
    }

    .info-tabs {
        flex-wrap: wrap;
    }

    .info-tab {
        padding: 8px 20px;
        font-size: 0.75rem;
    }

    .impact-section {
        padding: 64px 0;
    }

    .impact-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .stats-section {
        padding: 48px 0;
    }

    .stat-item {
        padding: 20px 8px;
    }

    .posts-section {
        padding: 64px 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-top {
        padding: 48px 0 32px;
    }

    .footer-bottom-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .parallax-cta {
        height: 450px;
    }

    .parallax-cta-bg {
        background-attachment: scroll;
    }

    .btn-cta {
        padding: 12px 28px;
        font-size: 0.8125rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero {
        min-height: 550px;
    }

    .hero-content {
        padding: calc(var(--header-height) + 16px) 16px 100px;
    }

    .hero-subtitle {
        font-size: 0.9375rem;
    }

    .hero-subtitle br {
        display: none;
    }

    .hero-divider {
        width: 40px;
        margin: 14px auto 18px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-hero {
        width: 100%;
        max-width: 260px;
        justify-content: center;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .slider-dots {
        bottom: 16px;
        left: 12px;
    }

    .slider-progress-wrap {
        bottom: 16px;
        right: 12px;
    }

    .slider-progress-bar {
        width: 50px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .header-inner {
        padding: 0 16px;
    }

    .logo img {
        height: 36px;
    }

    .main-nav {
        width: 280px;
    }
}