/* ================================================================
   educatIA — Mobile Responsive Overhaul
   Premium, iOS-inspired mobile experience
   ================================================================ */

/* ── Logo Image in Nav ── */
.site-nav__logo-img {
    height: 28px;
    width: auto;
    display: none;
    object-fit: contain;
}

.site-nav__mobile-context,
.mobile-island {
    display: none;
}

.mobile-menu {
    display: none;
}

/* ── Mobile Breakpoint: 768px and below ── */
@media (max-width: 768px) {

    /* ===== ROOT OVERRIDES ===== */
    :root {
        --nav-height: 60px;
        --hero-title: 2rem;
        --section-title: 1.5rem;
    }

    html {
        font-size: 15px;
        -webkit-text-size-adjust: 100%;
    }

    .learning-home {
        padding-bottom: calc(96px + env(safe-area-inset-bottom, 0px));
    }

    body {
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
    }

    /* ===== NAVIGATION ===== */
    .site-nav {
        box-shadow: 0 1px 0 rgba(0,0,0,0.06);
    }

    .site-nav__inner,
    .site-nav__inner--student,
    .site-nav__inner--public {
        height: var(--nav-height);
        padding: 0 16px;
        gap: 10px;
    }

    /* Show logo image on mobile */
    .site-nav__logo-img {
        display: block !important;
        height: 30px;
    }

    .site-nav__logo,
    .site-nav__logo--apple {
        display: flex !important;
        align-items: center;
        gap: 0;
    }

    /* Hide text next to logo since image already has brand name */
    .site-nav__logo-txt {
        display: none !important;
    }

    /* Hide desktop nav elements */
    .site-nav__student-links,
    .site-nav__public-link,
    .site-nav__search--public,
    .site-nav__search--student,
    .site-nav__explorer-toggle,
    .site-nav__link--quiet,
    .site-nav__cta,
    .site-nav__actions--student .site-nav__icon-btn,
    .site-nav__actions .site-nav__icon-btn:not(.site-nav__profile-trigger),
    .site-nav__profile-menu,
    .site-nav__top {
        display: none !important;
    }

    /* Show hamburger */
    .site-nav__mobile-toggle {
        display: flex !important;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        border-radius: 10px;
        color: var(--text-primary, #1d1d1f);
        -webkit-tap-highlight-color: transparent;
        transition: background 0.15s ease;
    }

    .site-nav__mobile-toggle:active {
        background: rgba(0,0,0,0.04);
    }

    .site-nav__mobile-toggle svg {
        width: 22px;
        height: 22px;
    }

    .site-nav__actions--public,
    .site-nav__actions--student,
    .site-nav__actions {
        gap: 4px;
    }

    /* ===== MOBILE MENU — Premium Drawer ===== */
    .mobile-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        z-index: 9999;
        background: #fff;
        padding: 0;
        flex-direction: column;
        gap: 0;
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        animation: mobileMenuSlideIn 0.28s cubic-bezier(0.32, 0.72, 0, 1) forwards;
    }

    @keyframes mobileMenuSlideIn {
        from {
            opacity: 0;
            transform: translateY(-8px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .mobile-menu.active {
        display: flex !important;
    }

    /* Fix stacking context block for fixed overlay */
    body.mobile-menu-open #site-header,
    body.mobile-menu-open .site-nav {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        transform: none !important;
        position: static !important;
    }

    /* Mobile Menu Header with Logo */
    .mobile-menu__header {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 18px 20px 14px;
        border-bottom: 1px solid rgba(0,0,0,0.06);
    }

    .mobile-menu__logo {
        height: 32px;
        width: auto;
        object-fit: contain;
    }

    .mobile-menu__brand {
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--electric-blue, #0056D2);
        letter-spacing: -0.02em;
        flex: 1;
    }

    .mobile-menu__close {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: #f0f4f8;
        color: var(--text-primary, #1d1d1f);
        border: none;
        cursor: pointer;
        transition: background 0.2s ease;
    }

    .mobile-menu__close:active {
        background: #e2e8f0;
    }

    .mobile-menu__close svg {
        width: 20px;
        height: 20px;
    }

    /* Mobile User Card */
    .mobile-menu__user-card {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 16px 20px;
        margin: 8px 16px;
        border-radius: 16px;
        background: linear-gradient(135deg, #f0f4ff 0%, #f8faff 100%);
        border: 1px solid rgba(0, 86, 210, 0.08);
    }

    .mobile-menu__user-avatar {
        width: 44px;
        height: 44px;
        border-radius: 14px;
        background: linear-gradient(135deg, #0056D2 0%, #1d8cf8 100%);
        color: white;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: 700;
        flex-shrink: 0;
        overflow: hidden;
    }

    .mobile-menu__user-avatar img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

    .mobile-menu__user-info {
        min-width: 0;
    }

    .mobile-menu__user-info strong {
        display: block;
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary, #1d1d1f);
        margin-bottom: 2px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .mobile-menu__user-info span {
        display: block;
        font-size: 13px;
        color: var(--text-tertiary, #86868b);
    }

    /* Mobile Menu Section Label */
    .mobile-menu__section-label {
        font-size: 11px;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--text-tertiary, #86868b);
        padding: 18px 20px 6px;
    }

    /* Mobile Menu Links */
    .mobile-menu__link {
        display: flex;
        align-items: center;
        gap: 14px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-primary, #1d1d1f);
        padding: 13px 20px;
        border-radius: 0;
        transition: background 0.15s ease;
        -webkit-tap-highlight-color: transparent;
        text-decoration: none;
    }

    .mobile-menu__link:hover,
    .mobile-menu__link:active {
        background: rgba(0, 86, 210, 0.04);
        text-decoration: none;
    }

    .mobile-menu__link svg {
        width: 20px;
        height: 20px;
        color: var(--text-tertiary, #86868b);
        flex-shrink: 0;
    }

    .mobile-menu__link span {
        flex: 1;
    }

    .mobile-menu__link--cta {
        color: var(--electric-blue, #0056D2);
        font-weight: 600;
    }

    .mobile-menu__link--cta svg {
        color: var(--electric-blue, #0056D2);
    }

    .mobile-menu__link--danger {
        color: #D32F2F;
    }

    .mobile-menu__link--danger svg {
        color: #D32F2F;
    }

    .mobile-menu__divider {
        height: 1px;
        margin: 6px 20px;
        background: rgba(0,0,0,0.06);
    }

    /* ===== PHONE NAVIGATION — Floating Island ===== */
    .site-nav {
        background: rgba(255, 255, 255, 0.88);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
    }

    .site-nav__inner,
    .site-nav__inner--student,
    .site-nav__inner--public {
        height: 72px;
        padding: 0 18px;
        gap: 12px;
    }

    .site-nav__brand,
    .site-nav__brand--public {
        min-width: 0;
        flex: 1;
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .site-nav__logo,
    .site-nav__logo--apple {
        gap: 10px !important;
        flex-shrink: 0;
    }

    .site-nav__logo-img {
        height: 34px !important;
    }

    .site-nav__mobile-context {
        display: grid;
        gap: 2px;
        min-width: 0;
    }

    .site-nav__mobile-kicker {
        font-size: 10px;
        font-weight: 700;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: rgba(71, 85, 105, 0.72);
    }

    .site-nav__mobile-title {
        font-size: 13px;
        font-weight: 700;
        color: #0f172a;
        letter-spacing: -0.02em;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .site-nav__actions,
    .site-nav__actions--public,
    .site-nav__actions--student,
    .site-nav__mobile-toggle {
        display: none !important;
    }

    .mobile-island {
        position: fixed;
        left: 50%;
        bottom: calc(16px + env(safe-area-inset-bottom, 0px));
        transform: translateX(-50%);
        width: min(calc(100vw - 24px), 390px);
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 8px;
        padding: 10px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.9);
        border: 1px solid rgba(148, 163, 184, 0.18);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        box-shadow: 0 20px 44px rgba(15, 23, 42, 0.16);
        z-index: 9998;
    }

    .mobile-island__link {
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 44px;
        padding: 0 6px;
        border: none;
        border-radius: 999px;
        background: transparent;
        color: #5b6474;
        font-size: 12px;
        font-weight: 700;
        letter-spacing: -0.01em;
        text-decoration: none;
        transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
        -webkit-tap-highlight-color: transparent;
    }

    .mobile-island__link:active {
        transform: translateY(1px);
    }

    .mobile-island__link.active,
    .mobile-island__link--button:focus-visible {
        background: #0f172a;
        color: #fff;
        box-shadow: 0 12px 24px rgba(15, 23, 42, 0.22);
    }

    .mobile-menu {
        position: fixed;
        inset: 0;
        width: 100vw;
        height: 100vh;
        display: flex;
        align-items: flex-end;
        justify-content: center;
        padding: 0 12px calc(96px + env(safe-area-inset-bottom, 0px));
        background: rgba(15, 23, 42, 0.34);
        opacity: 0;
        pointer-events: none;
        overflow: hidden;
        z-index: 9999;
        animation: none;
        transition: opacity 0.18s ease;
    }

    .mobile-menu.active {
        display: flex !important;
        opacity: 1;
        pointer-events: auto;
    }

    .mobile-menu__panel {
        width: min(100%, 420px);
        max-height: min(78vh, 720px);
        overflow-y: auto;
        padding: 16px;
        border-radius: 28px;
        background: #ffffff;
        box-shadow: 0 28px 60px rgba(15, 23, 42, 0.24);
        transform: translateY(20px);
        transition: transform 0.22s cubic-bezier(0.32, 0.72, 0, 1);
    }

    .mobile-menu.active .mobile-menu__panel {
        transform: translateY(0);
    }

    .mobile-menu__header {
        padding: 4px 4px 14px;
        border-bottom: 1px solid rgba(148, 163, 184, 0.18);
        gap: 12px;
    }

    .mobile-menu__header-copy {
        min-width: 0;
        display: grid;
        gap: 4px;
    }

    .mobile-menu__eyebrow {
        font-size: 11px;
        font-weight: 700;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: rgba(71, 85, 105, 0.72);
    }

    .mobile-menu__brand {
        flex: none;
        font-size: 22px;
        font-weight: 700;
        color: #0f172a;
        letter-spacing: -0.03em;
    }

    .mobile-menu__close {
        width: auto;
        min-width: 0;
        height: 40px;
        padding: 0 14px;
        border-radius: 999px;
        background: rgba(226, 232, 240, 0.7);
        color: #0f172a;
        font-size: 13px;
        font-weight: 700;
    }

    .mobile-menu__user-card {
        margin: 16px 0 8px;
        padding: 16px;
        border-radius: 22px;
        background: linear-gradient(135deg, #f8fbff 0%, #eff5ff 100%);
        border: 1px solid rgba(0, 86, 210, 0.1);
    }

    .mobile-menu__section {
        padding-top: 8px;
    }

    .mobile-menu__section-label {
        padding: 12px 4px 8px;
        color: rgba(71, 85, 105, 0.68);
    }

    .mobile-menu__links {
        display: grid;
        gap: 8px;
    }

    .mobile-menu__link {
        justify-content: space-between;
        gap: 12px;
        padding: 14px 16px;
        border-radius: 18px;
        border: 1px solid rgba(148, 163, 184, 0.18);
        background: #f8fafc;
        color: #0f172a;
        font-size: 15px;
        font-weight: 700;
        line-height: 1.3;
    }

    .mobile-menu__link::after {
        content: 'Ver';
        flex-shrink: 0;
        font-size: 10px;
        font-weight: 700;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: rgba(100, 116, 139, 0.78);
    }

    .mobile-menu__link:hover,
    .mobile-menu__link:active {
        background: #eef4ff;
        border-color: rgba(0, 86, 210, 0.18);
        color: #0056d2;
    }

    .mobile-menu__link.active {
        background: #eef4ff;
        border-color: rgba(0, 86, 210, 0.22);
        color: #0056d2;
    }

    .mobile-menu__link.active::after {
        content: 'Activo';
        color: #0056d2;
    }

    .mobile-menu__link--cta {
        background: #0f172a;
        border-color: #0f172a;
        color: #ffffff;
    }

    .mobile-menu__link--cta::after {
        content: 'Abrir';
        color: rgba(255, 255, 255, 0.76);
    }

    .mobile-menu__link--danger {
        background: #fff5f5;
        border-color: rgba(180, 35, 24, 0.12);
        color: #b42318;
    }

    .mobile-menu__link--danger::after {
        content: 'Salir';
        color: rgba(180, 35, 24, 0.74);
    }

    .mobile-menu__divider {
        display: none;
    }

    body.mobile-menu-open .mobile-island {
        opacity: 0;
        pointer-events: none;
        transform: translateX(-50%) translateY(10px);
    }

    /* ===== APP / MAIN CONTAINER ===== */
    #app {
        padding-top: var(--nav-height);
        padding-bottom: calc(104px + env(safe-area-inset-bottom, 0px));
    }

    .site-footer {
        padding-bottom: calc(104px + env(safe-area-inset-bottom, 0px));
    }

    /* ===== LANDING PAGE (lp- blocks) ===== */
    .lp-banner {
        padding: 16px 12px 12px !important;
    }
    
    .lp-banner__title {
        font-size: 2.2rem !important;
        line-height: 1.1 !important;
        margin-bottom: 16px !important;
    }
    
    .lp-banner__sub {
        font-size: 15px !important;
        line-height: 1.6 !important;
        margin-bottom: 32px !important;
    }
    
    .lp-banner__premium-btn {
        position: relative !important;
        bottom: auto !important;
        left: auto !important;
        width: 100% !important;
        justify-content: center !important;
        margin-top: 16px !important;
        padding: 16px !important;
    }
    
    .lp-banner__img {
        padding-bottom: 24px !important;
    }
    
    /* Landing Sections Spacing */
    .lp-section,
    .lp-career {
        padding: 64px 0 !important;
    }
    
    .lp-trust {
        padding: 56px 0 !important;
    }

    .lp-section__header {
        margin-bottom: 48px !important;
        padding: 0 16px !important;
    }
    
    .lp-section__header h2,
    .lp-career__features-head h2,
    .lp-career__copy h2,
    .lp-cta h2 {
        font-size: 26px !important;
        line-height: 1.2 !important;
        margin-bottom: 16px !important;
    }
    
    .lp-section__header p,
    .lp-career__copy p:not(.lp-career__eyebrow),
    .lp-cta p {
        font-size: 15px !important;
        line-height: 1.6 !important;
    }
    
    /* Enforce 1-Column Grids */
    .lp-value-grid,
    .lp-areas-grid,
    .lp-courses-grid,
    .lp-steps,
    .lp-testimonials-grid {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
        padding: 0 16px !important;
    }
    
    .lp-career__feature-grid {
        grid-template-columns: 1fr !important;
        gap: 28px !important;
    }
    
    .lp-career__spotlight {
        grid-template-columns: 1fr !important;
        gap: 40px !important;
        padding: 24px 16px 0 !important;
    }
    
    /* Card breathing room */
    .lp-value-card,
    .lp-step,
    .lp-area-card,
    .lp-testimonial-card,
    .lp-career__features {
        padding: 32px 24px !important;
        border-radius: 24px !important;
    }
    
    .lp-course-card {
        border-radius: 16px !important;
    }
    
    .lp-trust__row {
        gap: 32px 24px !important;
    }
    
    .lp-stats__grid {
        flex-direction: column !important;
        gap: 40px !important;
    }
    
    .lp-cta {
        padding: 80px 16px !important;
    }
    
    .lp-cta__actions {
        flex-direction: column !important;
        gap: 16px !important;
    }
    
    .lp-cta__actions .btn {
        width: 100% !important;
        justify-content: center !important;
        padding: 16px !important;
    }
    .landing-home__partners {
        gap: 16px;
    }

    /* ===== HERO (original v1) ===== */
    .hero {
        min-height: 70vh;
        padding: 0 16px;
    }

    .hero__content {
        padding: 0 8px;
    }

    .hero__title {
        font-size: 2rem;
        line-height: 1.1;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    .hero__actions {
        flex-direction: column;
        width: 100%;
        align-items: stretch;
    }

    .hero__actions .btn {
        width: 100%;
        max-width: none;
    }

    /* ===== AUTH PAGES ===== */
    .auth-page {
        grid-template-columns: 1fr;
        min-height: 100vh;
    }

    .auth-page__image-side {
        display: none;
    }

    .auth-page__form-side {
        padding: 24px 20px;
        align-items: flex-start;
        padding-top: 32px;
    }

    .auth-page__form-container {
        max-width: 100%;
    }

    .auth-page__title {
        font-size: 1.75rem;
    }

    .auth-page__subtitle {
        font-size: 15px;
    }

    /* Social auth buttons */
    .auth-social {
        padding: 12px 16px;
        font-size: 15px;
        border-radius: 12px;
    }

    /* Form elements */
    .form-input,
    .form-select,
    .form-textarea {
        height: 48px;
        font-size: 16px; /* prevents zoom on iOS */
        border-radius: 12px;
        padding: 0 14px;
    }

    .form-textarea {
        min-height: 100px;
        padding: 14px;
    }

    .form-label {
        font-size: 14px;
        margin-bottom: 6px;
    }

    /* ===== LEARNING DASHBOARD ===== */
    .learning-dashboard {
        padding-top: var(--nav-height);
    }

    .learning-dashboard__inner {
        padding: 16px 16px 32px;
    }

    .learning-dashboard__header {
        flex-direction: column;
        gap: 12px;
    }

    .learning-dashboard__avatar {
        width: 48px;
        height: 48px;
        font-size: 22px;
    }

    .learning-dashboard__welcome h1 {
        font-size: 1.6rem;
        line-height: 1.1;
    }

    .learning-dashboard__welcome p {
        font-size: 14px;
    }

    .learning-dashboard__stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .learning-stat-card {
        padding: 14px 16px;
        border-radius: 14px;
    }

    .learning-stat-card__value {
        font-size: 1.5rem;
    }

    .learning-stat-card__label {
        font-size: 12px;
    }

    .learning-dashboard__grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .learning-dashboard__overview {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .learning-dashboard__coach {
        grid-column: 1;
        position: static;
    }

    .learning-panel {
        padding: 16px;
        border-radius: 16px;
    }

    .learning-panel__header h2 {
        font-size: 1.05rem;
    }

    .learning-tabs {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding-bottom: 4px;
    }

    .learning-tabs::-webkit-scrollbar {
        display: none;
    }

    .learning-tab {
        flex: 0 0 auto;
        min-width: fit-content;
        font-size: 13px;
        padding: 8px 14px;
    }

    /* Course rows in dashboard */
    .learning-course-row {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 18px 0;
    }

    .learning-course-row__details h3 {
        font-size: 1rem;
    }

    .learning-course-row__button {
        min-width: 100%;
    }

    .learning-course-row__more {
        justify-self: center;
    }

    .learning-course-row__activity {
        padding: 14px;
        border-radius: 12px;
    }

    /* Coach panel */
    .learning-coach-strip {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .learning-coach-strip__actions {
        width: 100%;
    }

    .learning-coach-strip__actions .btn {
        flex: 1;
    }

    .learning-coach-panel__hero h3 {
        font-size: 1.2rem;
    }

    .learning-coach-panel__messages {
        max-height: 200px;
    }

    .learning-coach-panel__composer {
        padding: 6px 8px;
    }

    .learning-coach-panel__composer input {
        font-size: 15px;
        padding: 10px 14px;
    }

    /* Goals panel */
    .learning-goal {
        grid-template-columns: 22px minmax(0, 1fr) auto;
        gap: 10px;
    }

    /* Calendar panel */
    .learning-calendar__day {
        min-height: 28px;
        font-size: 12px;
    }

    .learning-plan-days {
        gap: 6px;
        flex-wrap: wrap;
    }

    /* ===== TEACHER DASHBOARD ===== */
    .teacher-dashboard__header {
        flex-direction: column;
    }

    .teacher-dashboard__header-actions {
        width: 100%;
        margin-left: 0;
        display: grid;
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .teacher-dashboard__header-actions .btn {
        width: 100%;
    }

    /* ===== EXPLORE PAGE ===== */
    .student-content-page {
        padding-top: var(--nav-height);
    }

    .student-content-page__inner {
        padding: 20px 16px 40px;
    }

    .explore-context__head {
        flex-direction: column;
        gap: 16px;
    }

    .explore-context__title {
        font-size: 1.8rem;
    }

    .explore-context__description {
        font-size: 15px;
    }

    .explore-search-panel {
        padding: 16px;
        border-radius: 20px;
    }

    .explore-search {
        padding: 10px 14px;
    }

    .explore-search input {
        font-size: 15px;
    }

    .explore-chip-row {
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 6px;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .explore-chip-row::-webkit-scrollbar {
        display: none;
    }

    .explore-chip {
        flex: 0 0 auto;
        font-size: 13px;
        padding: 8px 14px;
    }

    .explore-card-grid,
    .explore-card-grid--published {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .explore-card {
        border-radius: 18px;
    }

    .explore-card__media {
        min-height: 140px;
        padding: 16px;
    }

    .explore-card__body {
        padding: 16px;
    }

    .explore-card__title {
        font-size: 18px;
    }

    .explore-card__subtitle {
        min-height: 0;
        font-size: 14px;
    }

    /* Spotlight section */
    .explore-spotlight {
        border-radius: 20px;
        margin: 8px 0 24px;
    }

    .explore-spotlight__layout {
        grid-template-columns: 1fr;
        padding: 24px 20px;
        gap: 20px;
    }

    .explore-spotlight__title {
        font-size: 1.8rem;
    }

    .explore-spotlight__cards {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .explore-spotlight-card {
        min-height: auto;
        padding: 18px;
        border-radius: 18px;
    }

    .explore-spotlight-card__title {
        font-size: 18px;
    }

    .explore-spotlight__actions {
        width: 100%;
    }

    .explore-spotlight__actions .btn {
        flex: 1;
    }

    /* Collection cards */
    .explore-collection-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .explore-collection-card {
        min-height: auto;
        padding: 20px;
        border-radius: 18px;
        gap: 16px;
    }

    .explore-collection-card__title {
        font-size: 20px;
    }

    .explore-section--muted {
        padding: 20px;
        border-radius: 20px;
    }

    .explore-meta-pill {
        font-size: 12px;
        padding: 6px 10px;
    }

    /* ===== COURSE DETAIL PAGE ===== */
    .course-detail-page {
        padding-top: var(--nav-height);
    }

    .course-detail__shell {
        padding: 14px 16px 32px;
    }

    .course-detail__breadcrumbs {
        font-size: 12px;
        gap: 6px;
    }

    .course-detail__hero {
        padding: 20px;
        border-radius: 20px;
        grid-template-columns: 1fr;
    }

    .course-detail__hero h1 {
        font-size: 1.8rem;
        line-height: 1.08;
    }

    .course-detail__hero p {
        font-size: 14px;
    }

    .course-detail__brand {
        font-size: 18px;
        padding: 0 14px;
        min-height: 40px;
        border-radius: 12px;
    }

    .course-detail__hero-graphic {
        min-height: 120px;
    }

    .course-detail__hero-actions {
        flex-direction: column;
    }

    .course-detail__hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .course-detail__stats {
        grid-template-columns: repeat(2, 1fr);
        margin: -16px 8px 0;
        border-radius: 16px;
    }

    .course-detail__stat {
        padding: 14px 16px;
    }

    .course-detail__stat strong {
        font-size: 20px;
    }

    .course-detail__stat span {
        font-size: 12px;
    }

    .course-detail__stat small {
        font-size: 11px;
    }

    .course-detail__tabs {
        gap: 12px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .course-detail__tabs::-webkit-scrollbar {
        display: none;
    }

    .course-detail__tabs a {
        white-space: nowrap;
        font-size: 14px;
    }

    .course-detail__section {
        padding: 18px;
        border-radius: 18px;
    }

    .course-detail__section h2 {
        font-size: 22px;
    }

    .course-detail__section-head {
        flex-direction: column;
        gap: 10px;
    }

    .course-detail__outcomes {
        grid-template-columns: 1fr;
    }

    .course-detail__info-grid,
    .course-detail__modules {
        grid-template-columns: 1fr;
    }

    .course-detail__module-card h3 {
        font-size: 18px;
    }

    /* Course Workspace */
    .course-workspace__hero-metrics {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .course-workspace__metric {
        padding: 14px;
        border-radius: 14px;
    }

    .course-workspace__metric strong {
        font-size: 22px;
    }

    .course-workspace__cards {
        grid-template-columns: 1fr;
    }

    .course-workspace__next {
        flex-direction: column;
        align-items: flex-start;
        padding: 18px;
    }

    .course-workspace__next h2 {
        font-size: 22px;
    }

    .course-workspace__section,
    .course-workspace__info-card {
        padding: 18px;
    }

    /* ===== LESSON WORKSPACE ===== */
    .lesson-workspace {
        padding-top: var(--nav-height);
    }

    .lesson-workspace__top {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 16px;
        padding-right: 16px;
        gap: 12px;
    }

    .lesson-workspace__progress {
        width: 100%;
        min-width: auto;
        padding: 10px 14px;
        border-radius: 16px;
    }

    .lesson-workspace__grid {
        grid-template-columns: 1fr;
        padding-left: 16px;
        padding-right: 16px;
        gap: 14px;
    }

    .lesson-rail,
    .lesson-coach__panel {
        position: static;
        max-height: none;
        border-radius: 16px;
    }

    .lesson-rail__header {
        padding: 18px;
    }

    .lesson-rail__header h2 {
        font-size: 22px;
    }

    .lesson-rail__modules {
        padding: 14px;
    }

    .lesson-rail__module {
        padding: 14px;
        border-radius: 14px;
    }

    .lesson-rail__module h3 {
        font-size: 16px;
    }

    .lesson-rail__item {
        padding: 10px;
        border-radius: 12px;
    }

    .lesson-stage__card {
        padding: 18px;
        border-radius: 16px;
    }

    .lesson-stage__header {
        flex-direction: column;
    }

    .lesson-stage__header h1 {
        font-size: 1.6rem;
        line-height: 1.1;
    }

    .lesson-stage__summary {
        font-size: 14px;
    }

    .lesson-stage__video {
        border-radius: 14px;
        margin-bottom: 18px;
    }

    .lesson-stage__body p,
    .lesson-stage__empty {
        font-size: 15px;
        line-height: 1.7;
    }

    .lesson-stage__actions {
        flex-direction: column;
    }

    .lesson-stage__actions .btn {
        width: 100%;
    }

    .lesson-stage__completion-box {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px;
        gap: 12px;
    }

    .lesson-stage__completion-box .btn {
        width: 100%;
    }

    .lesson-stage__notice {
        padding: 14px;
        border-radius: 14px;
    }

    .lesson-stage__transcript {
        padding: 16px;
    }

    /* Lesson Coach */
    .lesson-coach__panel {
        border-radius: 16px;
    }

    .lesson-coach__intro h3 {
        font-size: 18px;
    }

    .lesson-coach__quick-actions {
        padding: 0 14px 14px;
    }

    .lesson-coach__quick-btn {
        padding: 12px;
        border-radius: 12px;
        font-size: 14px;
    }

    .lesson-coach__messages {
        padding: 0 14px 14px;
        max-height: 200px;
    }

    .lesson-coach__composer {
        padding: 14px;
    }

    .lesson-coach__composer input {
        padding: 12px 14px;
        border-radius: 12px;
        font-size: 15px;
    }

    .lesson-coach__composer button {
        width: 42px;
        height: 42px;
        border-radius: 12px;
    }

    /* ===== PROFILE PAGE ===== */
    .profile-page {
        padding-top: var(--nav-height);
    }

    .profile-page__inner {
        padding: 16px 16px 32px;
        gap: 16px;
    }

    .profile-hero {
        padding: 18px;
        border-radius: 18px;
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .profile-hero__identity {
        flex-direction: column;
        align-items: flex-start;
    }

    .profile-hero__avatar {
        width: 56px;
        height: 56px;
        border-radius: 16px;
        font-size: 22px;
    }

    .profile-hero h1 {
        font-size: 1.6rem;
    }

    .profile-hero p {
        font-size: 14px;
    }

    .profile-hero__actions {
        flex-direction: column;
        width: 100%;
    }

    .profile-hero__actions .btn {
        width: 100%;
    }

    .profile-hero__stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .profile-stat {
        padding: 14px;
        border-radius: 14px;
        text-align: center;
    }

    .profile-stat strong {
        font-size: 22px;
    }

    .profile-stat span {
        font-size: 11px;
    }

    .profile-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .profile-card {
        padding: 18px;
        border-radius: 18px;
    }

    .profile-editor-grid--2 {
        grid-template-columns: 1fr;
    }

    .profile-skill-adder,
    .profile-savebar,
    .profile-repeater__toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .profile-card__header h2 {
        font-size: 18px;
    }

    .profile-detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    /* ===== SETTINGS PAGE ===== */
    .settings-section__title {
        font-size: 1rem;
    }

    .settings-item {
        flex-direction: row;
        padding: 14px 0;
    }

    .settings-item__label {
        font-size: 15px;
    }

    .settings-item__desc {
        font-size: 13px;
    }

    /* ===== GRADES PAGE ===== */
    .grade-summary {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .grade-summary__card {
        padding: 18px;
        border-radius: 14px;
    }

    .grade-summary__value {
        font-size: 1.6rem;
    }

    /* Data Table responsive */
    .data-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: 12px;
    }

    .data-table thead th,
    .data-table tbody td {
        padding: 10px 12px;
        font-size: 13px;
        white-space: nowrap;
    }

    /* ===== NOTIFICATIONS ===== */
    .notification-item {
        padding: 14px 16px;
    }

    .notification-item__icon {
        width: 36px;
        height: 36px;
    }

    .notification-item__title {
        font-size: 15px;
    }

    .notification-item__body {
        font-size: 13px;
    }

    .notification-item__top,
    .notifications-hero,
    .notifications-filter-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .notification-item__actions {
        min-width: 0;
        width: 100%;
        justify-content: flex-start;
    }

    .notifications-summary {
        grid-template-columns: 1fr;
    }

    .notifications-list {
        border-radius: 18px;
    }

    /* ===== SIDEBAR ===== */
    .layout-with-sidebar {
        padding-top: var(--nav-height);
    }

    .sidebar {
        top: 0;
        width: 280px;
        z-index: 9998;
        transform: translateX(-100%);
        transition: transform 0.25s cubic-bezier(0.32, 0.72, 0, 1);
        padding-top: calc(var(--nav-height) + 16px);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: 24px 0 48px rgba(0,0,0,0.1);
    }

    .main-content {
        margin-left: 0;
        padding: 18px 16px;
    }

    /* ===== FOOTER ===== */
    .site-footer {
        padding: 48px 0 24px;
    }

    .site-footer .container {
        padding: 0 16px;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 28px;
        margin-bottom: 32px;
    }

    .footer__brand {
        grid-column: 1;
        max-width: none;
    }

    .footer__desc {
        max-width: none;
    }

    .footer__column-title {
        font-size: 15px;
        margin-bottom: 12px;
    }

    .footer__link {
        padding: 5px 0;
        font-size: 14px;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 14px;
        text-align: center;
    }

    .footer__bottom-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }

    .footer__meta {
        gap: 6px;
    }

    .footer__meta span {
        font-size: 12px;
    }

    /* ===== BUTTONS — Mobile Touch Targets ===== */
    .btn {
        min-height: 44px;
        font-size: 15px;
        padding: 10px 20px;
    }

    .btn--sm {
        min-height: 36px;
        padding: 6px 14px;
        font-size: 13px;
    }

    .btn--lg {
        min-height: 50px;
        padding: 12px 28px;
        font-size: 16px;
    }

    /* ===== MODALS ===== */
    .mo,
    .landing-register-modal {
        padding: 12px;
    }

    .modal,
    .landing-register-modal__dialog {
        max-width: 100%;
        max-height: 90vh;
        padding: 24px 20px;
        border-radius: 20px;
    }

    .modal__hd h2 {
        font-size: 1.1rem;
    }

    .footer-info-modal__dialog {
        border-radius: 20px;
        padding: 24px 20px;
    }

    /* ===== CARDS BASE ===== */
    .card {
        border-radius: 16px;
    }

    .card__body {
        padding: 16px;
    }

    /* Course cards */
    .course-card {
        border-radius: 14px;
    }

    .course-card__body {
        padding: 14px;
    }

    /* ===== TABS ===== */
    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .tabs::-webkit-scrollbar {
        display: none;
    }

    .tab {
        white-space: nowrap;
        padding: 10px 16px;
        font-size: 14px;
    }

    /* ===== FILTER PILLS ===== */
    .filter-pills {
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
    }

    .filter-pill {
        flex: 0 0 auto;
        font-size: 13px;
    }

    /* ===== SEARCH BAR ===== */
    .search-bar {
        border-radius: 14px;
        height: 44px;
    }

    .search-bar__input {
        font-size: 15px;
    }

    /* ===== EMPTY STATES ===== */
    .empty-state {
        padding: 48px 20px;
    }

    .empty-state__icon {
        width: 48px;
        height: 48px;
    }

    .empty-state__title {
        font-size: 1rem;
    }

    .empty-state__desc {
        font-size: 14px;
    }

    .learning-empty-state {
        padding: 32px 20px;
        border-radius: 16px;
    }

    /* ===== QUIZ ===== */
    .qp {
        padding: 18px;
        border-radius: 16px;
    }

    .qo {
        padding: 12px 14px;
        border-radius: 12px;
        font-size: 15px;
    }

    /* ===== CONTENT PAGES ===== */
    .cp {
        padding: 24px 16px 48px;
    }

    .cp h1 {
        font-size: 1.5rem;
    }

    .cp p {
        font-size: 15px;
    }

    /* ===== MANAGE PANEL (Teacher) ===== */
    .mp__hd {
        padding: 14px 16px;
        flex-wrap: wrap;
        gap: 8px;
    }

    .mp__body {
        padding: 14px 16px;
    }

    /* ===== ANTI-CHEAT BANNER ===== */
    .anti-cheat-banner {
        border-radius: 12px;
        padding: 12px;
        font-size: 13px;
    }

    /* ===== EXPLORER DROPDOWN ===== */
    .explorar-dropdown {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        bottom: 0;
        max-height: calc(100vh - var(--nav-height));
        overflow-y: auto;
        border-radius: 0;
        -webkit-overflow-scrolling: touch;
    }

    .explorar-dropdown__shell {
        padding: 16px;
    }

    .explorar-dropdown__grid {
        grid-template-columns: 1fr;
    }

    /* ===== PROGRESS BARS ===== */
    .progress-bar {
        height: 6px;
        border-radius: 3px;
    }

    .progress-bar--lg {
        height: 8px;
    }

    /* ===== RESUME CARD ===== */
    .resume-card {
        flex-direction: column;
        padding: 18px;
        border-radius: 16px;
    }

    .resume-card__image {
        width: 100%;
        height: 140px;
        border-radius: 12px;
    }

    /* ===== STATS ROW ===== */
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stats-row__item {
        padding: 14px;
        border-radius: 12px;
    }

    .stats-row__number {
        font-size: 1.25rem;
    }

    /* ===== CHAT PANEL ===== */
    .chat-panel {
        width: 100%;
        max-width: none;
    }

    /* ===== MATERIAL ITEMS ===== */
    .material-item {
        border-radius: 12px;
        padding: 12px;
    }

    /* ===== FILE UPLOAD ===== */
    .file-upload {
        padding: 24px 16px;
        border-radius: 14px;
    }

    /* ===== VERIFICATION BADGE ===== */
    .verification-badge {
        border-radius: 12px;
        padding: 12px;
    }

    /* ===== PAGE-LEVEL LAYOUT ===== */
    .page-wrap {
        padding: 20px 16px 48px;
    }

    .lsec {
        padding: 0 16px 32px;
    }

    .lgrid, .cgrid {
        grid-template-columns: 1fr;
    }

    .sg {
        grid-template-columns: 1fr;
    }

    /* Admin Dashboard */
    .admin-panel-card {
        border-radius: 16px;
    }

    .admin-users-shell {
        grid-template-columns: 1fr;
    }

    .admin-student-panel {
        position: static;
    }

    .admin-student-panel__metrics {
        grid-template-columns: 1fr 1fr;
    }

    .admin-student-panel__hero {
        flex-direction: column;
    }

    .explore-rail {
        grid-auto-columns: minmax(240px, 88vw);
    }

    /* ===== TEACHER AVATAR ===== */
    .teacher-avatar {
        width: 36px;
        height: 36px;
    }

    .teacher-avatar__svg {
        width: 30px;
        height: 30px;
    }

    /* ===== LANDING-SPECIFIC ===== */
    /* Landing Register Modal */
    .landing-register-modal__dialog {
        border-radius: 18px;
        padding: 24px 20px;
        max-width: 100%;
    }

    /* Landing home partner row */
    .landing-home__partners-row {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 6px;
    }

    /* Landing info cards */
    .landing-home__info-grid {
        grid-template-columns: 1fr;
    }

    /* ===== SMOOTH SCROLL & INTERACTIONS ===== */
    * {
        -webkit-tap-highlight-color: transparent;
    }

    input, textarea, select {
        font-size: 16px !important; /* Prevent iOS zoom */
    }

    /* Improved scrollbar hiding for horizontal scrollers */
    .explore-chip-row::-webkit-scrollbar,
    .learning-tabs::-webkit-scrollbar,
    .tabs::-webkit-scrollbar,
    .course-detail__tabs::-webkit-scrollbar,
    .filter-pills::-webkit-scrollbar {
        display: none;
    }
}

/* ===== Extra Small: 480px ===== */
@media (max-width: 480px) {
    :root {
        --nav-height: 56px;
    }

    .site-nav__logo-img {
        height: 22px;
    }

    .site-nav__logo {
        font-size: 1.05rem;
        gap: 6px;
    }

    .landing-home__hero-title {
        font-size: 1.75rem;
    }

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

    .landing-home__hero-stat {
        padding: 12px;
    }

    .landing-home__hero-stat strong {
        font-size: 1.35rem;
    }

    .learning-dashboard__stats {
        grid-template-columns: 1fr;
    }

    .learning-stat-card {
        padding: 12px 14px;
    }

    .course-detail__stats {
        grid-template-columns: 1fr;
    }

    .course-workspace__hero-metrics {
        grid-template-columns: 1fr;
    }

    .profile-hero__stats {
        grid-template-columns: 1fr;
    }

    .stats-row {
        grid-template-columns: 1fr;
    }

    .explore-card__media {
        min-height: 120px;
    }

    .explore-card__title {
        font-size: 16px;
    }

    .lesson-stage__header h1 {
        font-size: 1.35rem;
    }

    .course-detail__hero h1 {
        font-size: 1.5rem;
    }

    .mobile-menu__user-card {
        margin: 8px 12px;
        padding: 12px;
    }

    .footer__grid {
        gap: 24px;
    }

    .footer__bottom-links {
        gap: 8px;
    }

    /* Buttons full width on very small screens */
    .hero__actions .btn,
    .course-detail__hero-actions .btn,
    .learning-coach-strip__actions .btn {
        width: 100%;
    }
}

/* ===== Safe Area Insets (notch devices) ===== */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    @media (max-width: 768px) {
        .site-footer {
            padding-bottom: calc(24px + env(safe-area-inset-bottom));
        }

        .mobile-menu {
            padding-bottom: env(safe-area-inset-bottom);
        }

        .lesson-coach__composer {
            padding-bottom: calc(14px + env(safe-area-inset-bottom));
        }
    }
}

/* Enrollment course page overrides loaded after the desktop stylesheet. */
@media (max-width: 768px) {
    .course-enroll.course-detail-page {
        padding-top: 0 !important;
        overflow-x: hidden !important;
    }

    .course-enroll__band {
        min-height: 0 !important;
        padding: 0 0 74px !important;
    }

    .course-enroll__shell {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 18px !important;
        overflow: hidden !important;
    }

    .course-enroll__breadcrumbs {
        padding: 14px 0 18px !important;
        overflow-x: auto !important;
        white-space: nowrap !important;
    }

    .course-enroll__hero {
        grid-template-columns: minmax(0, 1fr) !important;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        min-height: 0 !important;
        padding-bottom: 40px !important;
        overflow: hidden !important;
    }

    .course-enroll__copy,
    .course-enroll__lead,
    .course-enroll__trial,
    .course-enroll__included,
    .course-enroll__plus {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
    }

    .course-enroll__copy {
        padding: 28px 0 48px !important;
    }

    .course-enroll__provider {
        margin-bottom: 22px !important;
    }

    .course-enroll__brand-mark {
        min-height: 40px !important;
        font-size: 21px !important;
    }

    .course-enroll__hero h1 {
        max-width: 100% !important;
        font-size: clamp(32px, 11vw, 42px) !important;
        line-height: 1.15 !important;
        overflow-wrap: anywhere !important;
        word-break: break-word !important;
    }

    .course-enroll__lead,
    .course-enroll__trial,
    .course-enroll__included,
    .course-enroll__plus {
        white-space: normal !important;
        overflow-wrap: anywhere !important;
        word-break: break-word !important;
    }

    .course-enroll__visual {
        display: none !important;
    }

    .course-enroll__ask {
        position: relative !important;
        right: auto !important;
        bottom: auto !important;
        width: 100% !important;
        align-items: flex-start !important;
        flex-direction: column !important;
        justify-self: stretch !important;
        gap: 8px !important;
        margin-top: 12px !important;
        padding: 12px !important;
        border-radius: 8px !important;
    }

    .course-enroll__ask a {
        width: 100% !important;
        justify-content: center !important;
        text-align: center !important;
    }

    .course-enroll .course-detail__stats {
        grid-template-columns: 1fr !important;
        width: 100% !important;
        margin: -48px auto 28px !important;
        border-radius: 8px !important;
    }

    .course-enroll .course-detail__stat {
        padding: 16px 18px !important;
        border-right: 0 !important;
        border-bottom: 1px solid #e2e8f0 !important;
    }

    .course-enroll .course-detail__stat:last-child {
        border-bottom: 0 !important;
    }

    .course-enroll .course-detail__tabs {
        width: 100% !important;
        margin: 0 auto 20px !important;
        gap: 22px !important;
        overflow-x: auto !important;
    }

    .course-enroll .course-detail__section {
        width: 100% !important;
        padding: 28px 0 !important;
        border-radius: 0 !important;
    }

    .course-enroll .course-detail__outcomes,
    .course-enroll .course-detail__info-grid,
    .course-enroll .course-detail__modules {
        grid-template-columns: 1fr !important;
    }
}