:root {
    --rgb-darkest: 1, 18, 17;
    --rgb-dark: 5, 31, 32;
    --rgb-med-dark: 11, 43, 38;
    --rgb-med: 78, 204, 163;
    --rgb-light: 142, 182, 155;
    --rgb-lightest: 218, 241, 222;
    --rgb-accent: 35, 83, 71;
    --rgb-orb-1: 56, 175, 137;
    --rgb-orb-2: 30, 95, 80;

    --color-darkest: rgb(var(--rgb-darkest));
    --color-dark: rgb(var(--rgb-dark));
    --color-med-dark: rgb(var(--rgb-med-dark));
    --color-med: rgb(var(--rgb-med));
    --color-light: rgb(var(--rgb-light));
    --color-lightest: rgb(var(--rgb-lightest));

    --font-ui: 'Inter', sans-serif;
    --font-heading: 'Playfair Display', serif;
}

[data-theme="light"] {
    color-scheme: light;
    --rgb-darkest: 248, 244, 234;
    --rgb-dark: 236, 228, 213;
    --rgb-med-dark: 185, 215, 200;
    --rgb-med: 100, 165, 140;
    --rgb-light: 30, 75, 65;
    --rgb-lightest: 8, 30, 25;

    --rgb-accent: 130, 190, 160;
    --rgb-orb-1: 42, 140, 100;
    --rgb-orb-2: 18, 95, 68;

    /* Explicit resolved tokens — evita bug de re-avaliação aninhada em alguns browsers */
    --color-darkest: rgb(248, 244, 234);
    --color-dark: rgb(236, 228, 213);
    --color-med-dark: rgb(185, 215, 200);
    --color-med: rgb(100, 165, 140);
    --color-light: rgb(30, 75, 65);
    --color-lightest: rgb(8, 30, 25);
}

[data-theme="light"] body { color-scheme: light; }
[data-theme="light"] .orb-1 { background: rgba(var(--rgb-orb-1), 0.6); }
[data-theme="light"] .orb-2 { background: rgba(var(--rgb-orb-2), 0.5); }
[data-theme="light"] .orb-3 { background: rgba(var(--rgb-orb-1), 0.38); }

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body, html {
    width: 100%;
    margin: 0;
    background-color: var(--color-darkest);
    color: var(--color-lightest);
    font-family: var(--font-ui);
    scroll-behavior: smooth; /* Native smooth scroll for anchor links */
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color-scheme: dark;
}

/* Aurora Background Effects */
.aurora-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
    background: var(--color-darkest);
    animation: breatheAurora 60s ease-in-out infinite alternate;
    transform-origin: center center;
}

@keyframes breatheAurora {
    0% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.12) rotate(1.5deg); }
    100% { transform: scale(1.15) rotate(3deg); }
}

.aurora-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.85;
    animation: floatOrb 15s infinite alternate ease-in-out;
}

.orb-1 { width: 650px; height: 650px; background: rgba(var(--rgb-orb-1), 0.45); top: -50px; left: -100px; animation-duration: 32s; }
.orb-2 { width: 850px; height: 850px; background: rgba(var(--rgb-orb-2), 0.5); bottom: -100px; right: -50px; animation-duration: 40s; animation-delay: -2s; }
.orb-3 { width: 550px; height: 550px; background: rgba(var(--rgb-light), 0.35); top: 40%; left: 30%; animation-duration: 35s; animation-delay: -5s; }

@keyframes floatOrb {
    0% { transform: scale(1) translate(0, 0) rotate(0deg); }
    33% { transform: scale(1.2) translate(180px, -120px) rotate(15deg); }
    66% { transform: scale(0.85) translate(-120px, 180px) rotate(-15deg); }
    100% { transform: scale(1.3) translate(150px, 100px) rotate(30deg); }
}

/* Optimize animation performance */
.aurora-orb {
    will-change: transform; /* always animating — permanent will-change is justified */
}

.carousel-card:hover { will-change: transform, opacity; }
.dash-card:hover     { will-change: transform; }

/* Glass Navbar */
.glass-navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed-nav);
    background: rgba(var(--rgb-darkest), 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(var(--rgb-light), 0.1);
    transition: transform var(--transition-base) ease, background var(--transition-base) ease, box-shadow var(--transition-base) ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.2rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-container .logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-lightest);
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--color-light);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s;
    display: inline-block; /* For magnetic transform */
}

.nav-links a:hover {
    color: var(--color-lightest);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* ── Theme Toggle: botão de ícone animado ── */
.theme-toggle {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1.5px solid rgba(var(--rgb-orb-1), 0.28);
    background: rgba(var(--rgb-orb-1), 0.08);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    flex-shrink: 0;
    outline: none;
    -webkit-tap-highlight-color: transparent;
    transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.theme-toggle:hover {
    background: rgba(var(--rgb-orb-1), 0.18);
    border-color: rgba(var(--rgb-orb-1), 0.5);
    box-shadow: 0 0 18px rgba(var(--rgb-orb-1), 0.22);
}

/* Ícones: ambos posicionados no centro */
.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
    position: absolute;
    display: block;
    stroke: rgba(var(--rgb-lightest), 0.88);
    fill: none;
    pointer-events: none;
    transition: opacity 0.15s;
}

/* Dark mode: mostra Sol */
.theme-toggle .sun-icon  { opacity: 1; }
.theme-toggle .moon-icon { opacity: 0; }

/* Light mode: mostra Lua */
[data-theme="light"] .theme-toggle .sun-icon  { opacity: 0; }
[data-theme="light"] .theme-toggle .moon-icon {
    opacity: 1;
    stroke: rgba(30, 30, 30, 0.85);
}

[data-theme="light"] .theme-toggle {
    border-color: rgba(0,0,0,0.15);
    background: rgba(0,0,0,0.06);
}

[data-theme="light"] .theme-toggle:hover {
    background: rgba(0,0,0,0.1);
    border-color: rgba(0,0,0,0.25);
    box-shadow: 0 0 14px rgba(0,0,0,0.12);
}

/* Animação de entrada do ícone */
@keyframes themeIconIn {
    from { opacity: 0; transform: scale(0.45) rotate(-30deg); }
    to   { opacity: 1; transform: scale(1)    rotate(0deg);   }
}

.theme-toggle .icon-entering {
    animation: themeIconIn 0.32s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* View Transitions — desativa o cross-fade padrão, usamos clip-path */
::view-transition-old(root),
::view-transition-new(root) {
    animation: none;
    mix-blend-mode: normal;
}
::view-transition-new(root) { z-index: 1; }
::view-transition-old(root) { z-index: 0; }

.login-btn {
    background: rgba(var(--rgb-med), 0.08);
    border: 1px solid rgba(var(--rgb-med), 0.45);
    color: var(--color-lightest);
    padding: 0.55rem 1.4rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.login-btn:hover {
    background: rgba(var(--rgb-med), 0.18);
    border-color: var(--color-med);
    box-shadow: 0 0 18px rgba(var(--rgb-med), 0.3);
    color: var(--color-lightest);
}

/* Section Containers - Free Scrolling */
main {
    position: relative;
    z-index: 2;
}

.content-section {
    width: 100%;
    min-height: 100vh;
    padding-top: 80px; /* Offset for navbar */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* ── Liquid Text Reveal ── */
.liquid-title           { opacity: 0; }   /* JS anima de 0→1 com blur threshold */
.liquid-title.lq-done  { opacity: 1; }   /* estado final após animação */

/* ── Typewriter Reveal ── */
.tw-reveal              { opacity: 0; }
.tw-reveal.tw-done      { opacity: 1; }
.tw-cursor {
    display: inline;
    color: rgba(var(--rgb-orb-1), 0.85);
    font-weight: 300;
    animation: tw-blink 0.9s step-end infinite;
    margin-left: 1px;
}
@keyframes tw-blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

/* ── Particle Button ── */
@keyframes ptcl-fly {
    0%   { transform: translate(-50%, -50%) scale(0); opacity: 1; }
    40%  { transform: translate(calc(-50% + var(--dx) * 0.55), calc(-50% + var(--dy) * 0.55)) scale(1); opacity: 1; }
    100% { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) scale(0); opacity: 0; }
}
.ptcl {
    position: fixed;
    border-radius: 50%;
    background: rgba(var(--rgb-orb-1), 0.9);
    pointer-events: none;
    z-index: 9999;
    animation: ptcl-fly 0.55s ease-out forwards;
}

/* Base Reveal Animation Classes */
.fade-up    { opacity: 0; transform: translateY(40px);  transition: opacity var(--transition-slower) var(--ease-in-out), transform var(--transition-slower) var(--ease-in-out), filter var(--transition-slower) var(--ease-in-out); filter: blur(5px); }
.fade-down  { opacity: 0; transform: translateY(-40px); transition: opacity var(--transition-slower) var(--ease-in-out), transform var(--transition-slower) var(--ease-in-out), filter var(--transition-slower) var(--ease-in-out); filter: blur(5px); }
.fade-left  { opacity: 0; transform: translateX(50px);  transition: opacity var(--transition-slower) var(--ease-in-out), transform var(--transition-slower) var(--ease-in-out), filter var(--transition-slower) var(--ease-in-out); filter: blur(5px); }
.fade-right { opacity: 0; transform: translateX(-50px); transition: opacity var(--transition-slower) var(--ease-in-out), transform var(--transition-slower) var(--ease-in-out), filter var(--transition-slower) var(--ease-in-out); filter: blur(5px); }
.scale-up { transform: scale(0.95) translateY(40px); }

/* In-view state triggered by JS */
.is-visible {
    opacity: 1 !important;
    transform: translate(0) scale(1) !important;
    filter: blur(0px) !important;
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* ====== SECTION 1: HERO ====== */
.hero-content {
    display: flex;
    width: 90%;
    max-width: 1400px;
    align-items: center;
    justify-content: space-between;
}

.hero-text {
    flex: 1;
    padding-right: 4rem;
}

.main-title {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    line-height: var(--leading-tight);
    margin-bottom: var(--spacing-md);
    color: var(--color-lightest);
    font-weight: var(--weight-semibold);
}

.bio {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--color-light);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.cta-btn {
    display: flex;
    align-items: center;
    background: transparent;
    border: 1px solid var(--color-light);
    border-radius: var(--radius-full);
    padding: 0.5rem 0.5rem 0.5rem 2rem;
    color: var(--color-lightest);
    font-family: var(--font-ui);
    font-size: 1.1rem;
    cursor: pointer;
    transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.cta-btn:hover {
    background: rgba(var(--rgb-light), 0.15);
    box-shadow: 0 0 20px rgba(var(--rgb-light), 0.3);
}

.cta-btn .btn-text {
    margin-right: 1.5rem;
}

.circular-icon {
    width: 45px;
    height: 45px;
    background: var(--color-med);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.cta-btn:hover .circular-icon {
    transform: translateX(5px);
}

.cta-btn.primary-btn {
    background: rgba(var(--rgb-orb-1), 0.9);
    border-color: rgba(var(--rgb-orb-1), 0.9);
    color: #081e19;
    font-weight: 600;
    border-radius: var(--radius-lg);
    box-shadow: 0 0 28px rgba(var(--rgb-orb-1), 0.35);
}

.cta-btn.primary-btn:hover {
    background: rgba(var(--rgb-orb-1), 1);
    border-color: rgba(var(--rgb-orb-1), 1);
    box-shadow: 0 0 44px rgba(var(--rgb-orb-1), 0.55);
    color: #081e19;
}

.cta-btn.primary-btn .btn-text {
    color: #081e19;
}

.cta-btn.primary-btn .circular-icon {
    background: rgba(0, 0, 0, 0.2);
    color: #081e19;
}

.cta-btn.primary-btn:hover .circular-icon {
    transform: translateX(6px);
}

.hero-visual {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.circular-backdrop {
    position: absolute;
    width: 550px;
    height: 550px;
    background: var(--color-med-dark);
    border-radius: 50%;
    z-index: 1;
    filter: blur(50px);
    opacity: 0.6;
}

.portrait-img {
    position: relative;
    z-index: 2;
    width: 450px;
    height: 650px;
    object-fit: cover;
    border-radius: 20px;
    border: 1px solid rgba(var(--rgb-orb-1), 0.18);
    box-shadow: var(--shadow-2xl), 0 0 60px rgba(var(--rgb-orb-1), 0.12);
}


/* ====== SECTION 2: SHOWCASE ====== */
.showcase-grid {
    display: flex;
    width: 100%;
    height: 100%;
}

.sidebar-progress {
    width: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-right: 1px solid rgba(var(--rgb-lightest), 0.1);
    z-index: var(--z-elevated);
}

.progress-step {
    font-family: var(--font-ui);
    font-size: 0.9rem;
    color: rgba(var(--rgb-lightest), 0.4);
    transition: color 0.3s;
    cursor: pointer;
}

.progress-step.active {
    color: var(--color-lightest);
    font-weight: 600;
}

.progress-line {
    width: 1px;
    height: 60px;
    background: rgba(var(--rgb-lightest), 0.2);
    margin: 15px 0;
}

.carousel-area {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    overflow: hidden;
}

.carousel-track {
    display: flex;
    gap: 3rem;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.carousel-card {
    width: 320px;
    opacity: 0.4;
    transform: scale(0.9);
    transition: opacity 0.5s ease, transform 0.5s ease;
    cursor: pointer;
}

.carousel-card.active {
    opacity: 1;
    transform: scale(1.05); /* slightly bigger when active */
}

.card-image {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-md);
    background-color: var(--color-med-dark);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-xl);
}

.mockup-pdf { background: linear-gradient(45deg, var(--color-med), var(--color-dark)); }
.mockup-flashcard { background: linear-gradient(45deg, var(--color-light), var(--color-med)); }
.mockup-dashboard { background: linear-gradient(135deg, var(--color-dark), var(--color-med-dark)); }

.card-title {
    font-size: 1.5rem;
    font-weight: 400;
    text-align: center;
    color: var(--color-lightest);
}

.right-panel {
    width: 400px;
    background: rgba(var(--rgb-med-dark), 0.5); /* Semi-transparent */
    backdrop-filter: blur(10px);
    border-left: 1px solid rgba(var(--rgb-light), 0.2);
    display: flex;
    align-items: center;
    padding: 4rem;
}

.panel-content h2 {
    font-family: var(--font-heading);
    color: var(--color-lightest);
    font-size: var(--text-2xl);
    margin-bottom: var(--spacing-md);
    font-weight: var(--weight-normal);
}

.panel-section { margin-bottom: 4rem; }
.panel-section ul { list-style: none; }
.panel-section li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 20px;
    color: var(--color-light);
}
.panel-section li::before {
    content: "▹";
    position: absolute;
    left: 0;
    color: var(--color-lightest);
}
.panel-section p {
    color: var(--color-light);
    line-height: 1.6;
}

/* ====== SECTION 3: SUBSCRIPTION HUD ====== */
#subscription {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hud-frame {
    position: absolute;
    width: 60px;
    height: 60px;
    border: 1px solid rgba(var(--rgb-light), 0.4);
    z-index: 10;
}

.top-left { top: 120px; left: 40px; border-right: none; border-bottom: none; }
.top-right { top: 120px; right: 40px; border-left: none; border-bottom: none; }
.bottom-left { bottom: 80px; left: 40px; border-right: none; border-top: none; }
.bottom-right { bottom: 80px; right: 40px; border-left: none; border-top: none; }

.tech-data {
    position: absolute;
    top: 130px;
    left: 120px;
    display: flex;
    gap: 2rem;
    font-size: 0.8rem;
    color: var(--color-light);
    letter-spacing: 1px;
    font-family: monospace;
}

.hud-title {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: var(--weight-normal);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hud-content {
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pricing-cluster {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.pricing-card {
    position: relative;
    width: 280px;
    background: rgba(var(--rgb-med-dark), 0.4);
    border: 1px solid rgba(var(--rgb-light), 0.2);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    backdrop-filter: var(--blur-lg);
    clip-path: polygon(15% 0, 100% 0, 100% 85%, 85% 100%, 0 100%, 0 15%);
    transition: transform var(--transition-base) var(--ease-in-out), background var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-10px);
    background: rgba(var(--rgb-med), 0.8);
}

.pricing-card.featured {
    transform: scale(1.1);
    background: rgba(var(--rgb-accent), 0.6);
    border-color: var(--color-light);
    z-index: var(--z-elevated);
}

.pricing-card.featured:hover {
    transform: scale(1.1) translateY(-10px);
}

.card-hex-border {
    position: absolute;
    top: 5px; left: 5px; right: 5px; bottom: 5px;
    border: 1px dashed rgba(var(--rgb-light), 0.1);
    clip-path: polygon(15% 0, 100% 0, 100% 85%, 85% 100%, 0 100%, 0 15%);
    pointer-events: none;
}

@keyframes pulse-hex-glow {
    0%, 100% { box-shadow: inset 0 0 10px rgba(var(--rgb-light), 0.15); }
    50%       { box-shadow: inset 0 0 30px rgba(var(--rgb-light), 0.45); }
}

.card-hex-border.glowing {
    border: 1px solid var(--color-light);
    animation: pulse-hex-glow 2.8s ease-in-out infinite;
}

.pricing-card h4 {
    color: var(--color-light);
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.price {
    font-size: 3.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    color: var(--color-lightest);
}

.price span { font-size: 1.5rem; vertical-align: top; }
.price .period { font-size: 1rem; color: var(--color-light); }

.features {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}
.features li {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    color: var(--color-lightest);
    opacity: 0.8;
}

.join-now-btn {
    background: transparent;
    border: 1px solid var(--color-light);
    padding: 1rem 2rem;
    color: var(--color-lightest);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.glowing-btn {
    background: rgba(var(--rgb-light), 0.1);
    box-shadow: 0 0 20px rgba(var(--rgb-light), 0.3);
}

.join-now-btn:hover {
    background: var(--color-light);
    color: var(--color-darkest);
    box-shadow: 0 0 30px rgba(var(--rgb-light), 0.6);
}

/* ====== SECTION 4: GLOBAL FOOTER ====== */
.global-footer {
    width: 100%;
    background: rgba(var(--rgb-darkest), 0.8);
    border-top: 1px solid rgba(var(--rgb-light), 0.1);
    padding: 5rem 4rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
}

.footer-container {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-column h3, .footer-column h4 {
    color: var(--color-lightest);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
}

.footer-column p {
    color: var(--color-light);
    line-height: 1.5;
    margin-bottom: 1.5rem;
    max-width: 300px;
}

.footer-column a {
    display: block;
    color: var(--color-light);
    text-decoration: none;
    margin-bottom: 0.8rem;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--color-lightest);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    margin-bottom: 0;
    background: rgba(var(--rgb-med), 0.25);
    border: 1px solid rgba(var(--rgb-light), 0.2);
    border-radius: 10px;
    color: #8eb69b;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, transform 0.15s;
}

.social-links a svg {
    flex-shrink: 0;
    display: block;
}

.social-links a:hover {
    background: rgba(var(--rgb-med), 0.5);
    border-color: rgba(var(--rgb-light), 0.4);
    transform: translateY(-2px);
}

.lang-switcher select {
    background: rgba(var(--rgb-med), 0.4);
    border: 1px solid rgba(var(--rgb-light), 0.2);
    color: var(--color-light);
    font-family: var(--font-ui);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
}
.lang-switcher select option { background: var(--color-darkest); }
.lang-switcher select:focus-visible {
    outline: 2px solid rgba(var(--rgb-orb-1), 0.7);
    outline-offset: 2px;
}

.footer-bottom {
    width: 100%;
    max-width: 1200px;
    border-top: 1px solid rgba(var(--rgb-light), 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    color: var(--color-light);
    font-size: 0.85rem;
}

.legal { display: flex; gap: 2rem; }
.legal a { color: var(--color-light); text-decoration: none; transition: color 0.3s; }
.legal a:hover { color: var(--color-lightest); }

/* Responsive Adjustments */
.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--color-lightest);
    cursor: pointer;
    padding: 0.5rem;
}

/* Tablet Landscape (1024px) */
@media (max-width: 1024px) {
    .hero-content { flex-direction: column; text-align: center; }
    .hero-text { padding-right: 0; margin-bottom: var(--spacing-xl); }
    .showcase-grid { flex-direction: column; }
    .right-panel { width: 100%; padding: var(--spacing-lg); }
    .sidebar-progress { display: none; }
    .footer-container { grid-template-columns: 1fr; }
    .nav-container { padding: var(--spacing-md) var(--spacing-lg); }
}

/* Tablet Portrait & Mobile (768px) */
@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(var(--rgb-dark), 0.98);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-lg);
        border-bottom: 1px solid rgba(var(--rgb-light), 0.1);
        backdrop-filter: var(--blur-lg);
        box-shadow: var(--shadow-lg);
        z-index: var(--z-dropdown);
    }
    .nav-links.active {
        display: flex;
    }
    [data-theme="light"] .nav-links {
        background: rgba(var(--rgb-darkest), 0.98);
    }
    .pricing-cards { flex-direction: column; }
    .pricing-card { transform: none !important; }
    .main-title { font-size: var(--text-4xl); }
    .nav-container { padding: var(--spacing-md) var(--spacing-lg); }
}

/* ------------------------------------- */
/* LIGHT THEME GLOBALS - INDEX.HTML      */
/* ------------------------------------- */
[data-theme="light"] .aurora-orb {
    opacity: 0.9;
    filter: blur(40px);
}

[data-theme="light"] .pricing-card {
    background: rgba(var(--rgb-darkest), 0.5);
    border-color: rgba(var(--rgb-lightest), 0.1);
}
[data-theme="light"] .pricing-card.popular {
    background: rgba(var(--rgb-dark), 0.8);
    border-color: var(--color-med);
}
[data-theme="light"] .pricing-card h3,
[data-theme="light"] .pricing-card .price,
[data-theme="light"] .pricing-card .feature-list li {
    color: var(--color-lightest);
}
[data-theme="light"] .feature-list li svg {
    color: var(--color-med);
}
[data-theme="light"] .hero-title,
[data-theme="light"] .hero-subtitle,
[data-theme="light"] .section-title {
    color: var(--color-lightest);
}
[data-theme="light"] .glass-navbar {
    background: rgba(var(--rgb-darkest), 0.9) !important;
    border-bottom: 1px solid rgba(var(--rgb-lightest), 0.1);
}
[data-theme="light"] .nav-container .logo { color: rgb(8, 30, 25); }
[data-theme="light"] .nav-links a { color: rgb(30, 75, 65); }
[data-theme="light"] .nav-links a:hover { color: rgb(8, 30, 25); }
[data-theme="light"] .hamburger { color: rgb(8, 30, 25); }

[data-theme="light"] .footer-column h3,
[data-theme="light"] .footer-column h4,
[data-theme="light"] .footer-logo { color: rgb(8, 30, 25); }
[data-theme="light"] .footer-column p,
[data-theme="light"] .footer-column a,
[data-theme="light"] .footer-bottom,
[data-theme="light"] .legal a { color: rgb(30, 75, 65); }
[data-theme="light"] .footer-column a:hover,
[data-theme="light"] .legal a:hover { color: rgb(8, 30, 25); }

/* ==========================================================================
   GLOBAL MOUSE TORCH / GLOW EFFECT
   ========================================================================== */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: var(--z-torch);
    background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.05), transparent 40%);
    mix-blend-mode: screen;
}

[data-theme="light"] body::after {
    background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(0,0,0,0.06), transparent 40%);
    mix-blend-mode: overlay;
}

/* ── Typography polish ───────────────────────────── */
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }

/* ── Tabular numbers for counters ────────────────── */
.xp-value, .streak-count, .score-value, .kpi-value,
.sim-timer, #dash-flashcard-count, .level-num,
.fc-count, .pts-total, .sim-score, .quiz-score {
    font-variant-numeric: tabular-nums;
}

/* ── Press feedback ──────────────────────────────── */
.cta-btn:active, .hub-btn:active, .submit-btn:active,
.btn-daily:active, .join-now-btn:active, .dash-card:active,
.folder-card:active {
    transform: scale(0.97);
    transition: transform 100ms ease-out;
}

/* ── Touch targets ───────────────────────────────── */
button, a, [role="button"], input, select, label,
.theme-toggle, .card-btn, .nav-links a {
    touch-action: manipulation;
}

/* ── Image outlines (subtle dark-mode definition) ── */
img:not([role="presentation"]):not([aria-hidden="true"]) {
    outline: 1px solid rgba(var(--rgb-light), 0.07);
    outline-offset: 0;
}
[data-theme="light"] img:not([role="presentation"]):not([aria-hidden="true"]) {
    outline: none;
}

@media (prefers-reduced-motion: reduce) {
    .aurora-orb, .aurora-bg { animation: none !important; }
    .fade-up, .fade-down, .fade-left, .fade-right,
    .anim-left, .anim-right, .anim-top, .anim-bottom, .anim-center {
        transition: none !important;
        opacity: 1 !important;
        transform: none !important;
        filter: none !important;
    }
    .animate-on-scroll { transition: none !important; }
    html { scroll-behavior: auto; }
}