/* ============================================
   THE FUNDRAISER - Conference Marketing App
   Dataro Brand — 10,000-Person Conference Ready
   ============================================ */

:root {
    --dataro-purple: #6B3FA0;
    --dataro-purple-light: #9B6FD0;
    --dataro-purple-dark: #3D1F6D;
    --dataro-purple-glow: rgba(107, 63, 160, 0.4);
    --dataro-gradient: linear-gradient(135deg, #6B3FA0 0%, #9B6FD0 50%, #6B3FA0 100%);
    --dataro-gradient-bright: linear-gradient(135deg, #7B4FB8 0%, #B080E0 50%, #7B4FB8 100%);
    --gold: #FFD700;
    --gold-dark: #B8960F;
    --white: #FFFFFF;
    --off-white: #F0EDF5;
    --gray-light: #C4B8D4;
    --gray: #8A7A9E;
    --dark: #1A0E2E;
    --darker: #0D0718;
    --surface: rgba(30, 15, 55, 0.95);
    --success: #4ADE80;
    --error: #EF4444;
    --font-display: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --radius: 14px;
    --radius-sm: 10px;
    --radius-pill: 60px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--darker);
    font-family: var(--font-body);
    color: var(--white);
    user-select: none;
    -webkit-user-select: none;
}

/* ============================================
   GAME CANVAS
   ============================================ */

#screen {
    display: block;
    image-rendering: pixelated;
    margin: auto;
    width: 100vw;
    max-height: 100vh;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

.aspect-16-9 {
    height: 56.25vw;        /* 9/16 */
    max-width: 177.78vh;    /* 16/9 */
}

.aspect-4-3 {
    height: 75vw;           /* 3/4 */
    max-width: 133.3vh;     /* 4/3 */
}

/* Visible focus ring for keyboard / gamepad navigation */
.overlay-screen :focus-visible {
    outline: 3px solid var(--gold);
    outline-offset: 4px;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
}

/* ============================================
   OVERLAY SCREENS
   ============================================ */

.overlay-screen {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: safe center;
    z-index: 100;
    background: var(--darker);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 32px 0;
}

.overlay-screen.active {
    display: flex;
}

/* ============================================
   CTA BUTTONS
   ============================================ */

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 40px;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--white);
    background: var(--dataro-gradient);
    border: none;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    min-width: 220px;
    outline: none;
}

.cta-button.big {
    padding: 20px 56px;
    font-size: 1.35rem;
    min-width: 280px;
    letter-spacing: 3px;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover, .cta-button:focus-visible {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--dataro-purple-glow), 0 0 60px rgba(107, 63, 160, 0.2);
    background: var(--dataro-gradient-bright);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:active {
    transform: translateY(-1px) scale(0.98);
}

.cta-button.secondary {
    background: transparent;
    border: 2px solid var(--dataro-purple-light);
    font-size: 0.95rem;
    padding: 14px 32px;
    min-width: 220px;
}

.cta-button.secondary:hover {
    background: rgba(107, 63, 160, 0.15);
    border-color: var(--dataro-purple);
}

.btn-arrow {
    font-size: 1.4rem;
    transition: transform 0.3s ease;
}

.cta-button:hover .btn-arrow {
    transform: translateX(5px);
}

.pulse-glow {
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 4px 20px var(--dataro-purple-glow); }
    50% { box-shadow: 0 8px 50px var(--dataro-purple-glow), 0 0 100px rgba(107, 63, 160, 0.25); }
}

/* ============================================
   DATARO BADGE
   ============================================ */

.dataro-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 22px;
    background: #fff;
    border-radius: 999px;
    box-shadow: 0 4px 20px var(--dataro-purple-glow);
    margin-bottom: 20px;
}

.dataro-badge.small {
    padding: 6px 14px;
    box-shadow: 0 2px 10px rgba(107, 63, 160, 0.18);
}

.dataro-logo-img {
    display: block;
    height: 28px;
    width: auto;
}

.dataro-badge.small .dataro-logo-img {
    height: 18px;
}

/* ============================================
   SPLASH SCREEN
   ============================================ */

#splash-screen {
    background: radial-gradient(ellipse at 50% 40%, #1e0f3a 0%, var(--darker) 70%);
    position: relative;
}

.splash-glow {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(107, 63, 160, 0.15) 0%, transparent 70%);
    pointer-events: none;
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.2); }
}

.particle-field {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px; height: 4px;
    background: var(--dataro-purple-light);
    border-radius: 50%;
    opacity: 0;
    animation: floatParticle 6s ease-in-out infinite;
}

@keyframes floatParticle {
    0% { opacity: 0; transform: translateY(100vh) scale(0); }
    10% { opacity: 0.5; }
    90% { opacity: 0.5; }
    100% { opacity: 0; transform: translateY(-20vh) scale(1); }
}

.splash-content {
    text-align: center;
    z-index: 2;
    padding: 20px;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.splash-presents {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--gray);
    letter-spacing: 6px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.splash-title {
    margin-bottom: 20px;
    line-height: 1;
}

.splash-title .title-line-1 {
    display: block;
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 500;
    letter-spacing: 20px;
    color: var(--gray-light);
    margin-bottom: 2px;
}

.splash-title .title-line-2 {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 9vw, 7rem);
    font-weight: 900;
    letter-spacing: 6px;
    background: linear-gradient(135deg, var(--dataro-purple-light) 0%, var(--white) 35%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 20px var(--dataro-purple-glow));
    animation: titleShine 4s ease-in-out infinite;
}

@keyframes titleShine {
    0%, 100% { filter: drop-shadow(0 4px 20px var(--dataro-purple-glow)); }
    50% { filter: drop-shadow(0 6px 30px rgba(107, 63, 160, 0.6)); }
}

.splash-tagline {
    font-family: var(--font-body);
    font-size: 1.35rem;
    color: var(--gray-light);
    margin-bottom: 36px;
    font-weight: 400;
    min-height: 2em;
    transition: opacity 0.4s ease;
}

.splash-leaderboard {
    max-width: 360px;
    margin: 0 auto 28px;
    width: 100%;
}

.splash-leaderboard .leaderboard-title {
    margin-bottom: 10px;
    font-size: 1rem;
}

.splash-leaderboard .leaderboard-list {
    max-height: none;
}

.feature-pill {
    padding: 10px 22px;
    background: rgba(107, 63, 160, 0.12);
    border: 1px solid rgba(107, 63, 160, 0.25);
    border-radius: 30px;
    font-size: 0.95rem;
    color: var(--dataro-purple-light);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
}

.feature-pill:hover {
    background: rgba(107, 63, 160, 0.2);
    border-color: rgba(107, 63, 160, 0.4);
    transform: translateY(-2px);
}

.pill-icon {
    font-size: 1.1rem;
}

.splash-footer {
    margin-top: 44px;
}

.conf-badge {
    display: inline-block;
    padding: 12px 28px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.12) 0%, rgba(255, 215, 0, 0.04) 100%);
    border: 1px solid rgba(255, 215, 0, 0.25);
    border-radius: 30px;
    color: var(--gold);
    font-size: 1.05rem;
    font-weight: 600;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { border-color: rgba(255, 215, 0, 0.25); box-shadow: none; }
    50% { border-color: rgba(255, 215, 0, 0.6); box-shadow: 0 0 20px rgba(255, 215, 0, 0.1); }
}

/* Floating dollar signs */
.floating-coins {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.coin {
    position: absolute;
    font-family: var(--font-display);
    font-weight: 900;
    color: var(--gold);
    opacity: 0.08;
    animation: floatCoin 8s ease-in-out infinite;
}

.c1 { font-size: 3rem; top: 12%; left: 6%; animation-delay: 0s; animation-duration: 7s; }
.c2 { font-size: 2rem; top: 72%; left: 88%; animation-delay: 1.5s; animation-duration: 9s; }
.c3 { font-size: 4rem; top: 38%; left: 92%; animation-delay: 3s; animation-duration: 6s; }
.c4 { font-size: 2.5rem; top: 82%; left: 12%; animation-delay: 2s; animation-duration: 8s; }
.c5 { font-size: 1.8rem; top: 22%; left: 78%; animation-delay: 4s; animation-duration: 10s; }
.c6 { font-size: 3.5rem; top: 62%; left: 3%; animation-delay: 5s; animation-duration: 7.5s; }

@keyframes floatCoin {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(5deg); }
    50% { transform: translateY(-8px) rotate(-3deg); }
    75% { transform: translateY(-25px) rotate(4deg); }
}

/* ============================================
   SIGNUP SCREEN
   ============================================ */

#signup-screen {
    background: radial-gradient(ellipse at 50% 30%, #1e0f3a 0%, var(--darker) 70%);
}

.signup-content {
    width: 100%;
    max-width: 460px;
    padding: 40px 24px;
    animation: fadeInUp 0.5s ease-out;
}

.signup-header {
    text-align: center;
    margin-bottom: 32px;
}

.signup-title {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--white);
}

.signup-subtitle {
    font-size: 1.05rem;
    color: var(--gray);
    font-weight: 400;
}

.signup-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-row {
    display: flex;
    gap: 14px;
}

.form-row .form-group {
    flex: 1;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    position: relative;
}

.form-group label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--gray-light);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.required-star {
    color: var(--error);
}

.form-group input:not([type="checkbox"]) {
    padding: 15px 18px;
    background: rgba(255, 255, 255, 0.06);
    border: 2px solid rgba(107, 63, 160, 0.25);
    border-radius: var(--radius);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 1.05rem;
    outline: none;
    transition: all 0.25s ease;
    width: 100%;
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.2);
}

.form-group input:not([type="checkbox"]):focus {
    border-color: var(--dataro-purple-light);
    background: rgba(107, 63, 160, 0.08);
    box-shadow: 0 0 20px var(--dataro-purple-glow);
}

.field-error {
    display: none;
    font-size: 0.78rem;
    color: var(--error);
    font-weight: 500;
}

.form-group.has-error input {
    border-color: var(--error);
}

.form-group.has-error .field-error {
    display: block;
}

.checkbox-group {
    margin-top: 4px;
}

.signup-form .cta-button {
    align-self: center;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--light);
    cursor: pointer;
    line-height: 1.3;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 2px;
    accent-color: var(--green);
    cursor: pointer;
}

.form-disclaimer {
    text-align: center;
    font-size: 0.78rem;
    color: var(--gray);
    margin-top: 2px;
}

.skip-btn {
    display: block;
    margin: 16px auto 0;
    padding: 8px 16px;
    background: none;
    border: none;
    color: var(--gray);
    font-family: var(--font-body);
    font-size: 0.85rem;
    cursor: pointer;
    transition: color 0.2s ease;
}

.skip-btn:hover {
    color: var(--gray-light);
}

/* ============================================
   TUTORIAL SCREEN
   ============================================ */

#tutorial-screen {
    background: radial-gradient(ellipse at 50% 40%, #1e0f3a 0%, var(--darker) 70%);
}

.tutorial-content {
    text-align: center;
    padding: 24px;
    max-width: 720px;
    animation: fadeInUp 0.5s ease-out;
}

.tutorial-title {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.tutorial-subtitle {
    font-size: 1.15rem;
    color: var(--gray-light);
    margin-bottom: 40px;
    font-weight: 500;
}

.tutorial-controls-group {
    margin-bottom: 18px;
}

.tutorial-controls-group:last-of-type {
    margin-bottom: 28px;
}

.controls-heading {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--dataro-purple-light);
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 14px;
}

.tutorial-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-y, .btn-b, .btn-a {
    background: var(--dataro-purple-light);
    color: var(--darker);
}

.control-divider {
    font-size: 1.2rem;
    color: var(--gray);
    font-weight: 300;
}

.control-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.control-item.big-control .key-visual {
    margin-bottom: 4px;
}

.key-visual {
    display: flex;
    gap: 8px;
}

.key {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    height: 48px;
    padding: 0 12px;
    background: rgba(255, 255, 255, 0.07);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-bottom-width: 4px;
    border-radius: 12px;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    transition: all 0.15s ease;
}

.key.wide {
    min-width: 80px;
    font-size: 0.85rem;
    letter-spacing: 2px;
}

.key.arrow-key {
    background: rgba(107, 63, 160, 0.12);
    border-color: rgba(107, 63, 160, 0.3);
}

.key.space-key {
    background: rgba(107, 63, 160, 0.12);
    border-color: rgba(107, 63, 160, 0.3);
}

.control-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--white);
}

/* Tutorial goal section */
.tutorial-goal {
    background: rgba(107, 63, 160, 0.08);
    border: 1px solid rgba(107, 63, 160, 0.2);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin-bottom: 36px;
    text-align: left;
}

.goal-header {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--dataro-purple-light);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 14px;
    text-align: center;
}

.goal-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.goal-item {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1rem;
    color: var(--gray-light);
}

.goal-item strong {
    color: var(--white);
}

.goal-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
    width: 28px;
    text-align: center;
}

.tutorial-hint {
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--gray);
    font-style: italic;
}

/* ============================================
   GAME OVER SCREEN
   ============================================ */

#gameover-screen {
    background: radial-gradient(ellipse at 50% 30%, #1e0f3a 0%, var(--darker) 70%);
}

.gameover-content {
    text-align: center;
    padding: 24px;
    max-width: 520px;
    width: 100%;
    animation: fadeInUp 0.6s ease-out;
}

.gameover-header {
    margin-bottom: 8px;
}

.gameover-title {
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--white) 0%, var(--dataro-purple-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.score-display {
    margin-bottom: 20px;
}

.score-label {
    font-size: 0.85rem;
    color: var(--gray);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.score-value {
    font-family: var(--font-display);
    font-size: 4.5rem;
    font-weight: 900;
    color: var(--gold);
    text-shadow: 0 0 40px rgba(255, 215, 0, 0.3);
    animation: scoreReveal 0.6s ease-out;
}

@keyframes scoreReveal {
    from { transform: scale(0.3); opacity: 0; }
    60% { transform: scale(1.1); }
    to { transform: scale(1); opacity: 1; }
}

.score-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 20px;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
}

.stat-label {
    font-size: 0.78rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.rank-display {
    margin-bottom: 20px;
}

.rank-text {
    font-size: 1.05rem;
    color: var(--gray-light);
}

.rank-text strong {
    color: var(--gold);
    font-size: 1.2rem;
}

.gameover-message {
    padding: 16px 24px;
    background: rgba(107, 63, 160, 0.1);
    border-radius: var(--radius);
    border: 1px solid rgba(107, 63, 160, 0.2);
    margin-bottom: 24px;
}

.message-text {
    font-size: 1rem;
    color: var(--dataro-purple-light);
    font-weight: 500;
    line-height: 1.5;
}

.gameover-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
}

/* ============================================
   LEADERBOARD
   ============================================ */

.leaderboard {
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
}

.leaderboard-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--gold);
}

.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.lb-entry {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.lb-entry.highlight {
    background: rgba(107, 63, 160, 0.15);
    border-color: rgba(107, 63, 160, 0.3);
}

.lb-rank {
    font-weight: 800;
    color: var(--gold);
    width: 28px;
    font-family: var(--font-display);
    font-size: 0.95rem;
}

.lb-name {
    flex: 1;
    color: var(--white);
    font-weight: 500;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lb-org {
    flex: 1;
    color: var(--gray);
    font-size: 0.85rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lb-score {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--gray-light);
}

/* ============================================
   TOUCH CONTROLS
   ============================================ */

.touch-controls {
    position: fixed;
    bottom: 0; left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding: 20px 24px 28px;
    z-index: 50;
    pointer-events: none;
}

.touch-controls.hidden {
    display: none;
}

.touch-dpad-area,
.touch-action-area {
    display: flex;
    gap: 14px;
    pointer-events: auto;
}

.touch-btn {
    border: none;
    color: var(--white);
    font-family: var(--font-display);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}

.touch-dpad {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(107, 63, 160, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.2);
    font-size: 1.6rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.touch-dpad:active {
    background: rgba(107, 63, 160, 0.7);
    border-color: var(--dataro-purple-light);
    transform: scale(0.95);
}

.touch-action {
    border-radius: 50%;
    background: rgba(107, 63, 160, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.touch-jump-btn {
    width: 96px;
    height: 96px;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 2px;
}

.touch-action:active {
    background: rgba(107, 63, 160, 0.8);
    border-color: var(--dataro-purple-light);
    transform: scale(0.95);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 600px) {
    .splash-title .title-line-1 {
        font-size: 1.5rem;
        letter-spacing: 12px;
    }

    .splash-tagline {
        font-size: 1.05rem;
    }

    .cta-button.big {
        padding: 18px 40px;
        font-size: 1.15rem;
        min-width: 240px;
    }

    .tutorial-controls {
        gap: 16px;
    }

    .key {
        min-width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .key.wide {
        min-width: 110px;
        font-size: 0.85rem;
    }

    .score-value {
        font-size: 3.2rem;
    }

    .signup-content {
        padding: 24px 20px;
    }

    .form-row {
        flex-direction: column;
        gap: 18px;
    }

    .tutorial-title {
        font-size: 2.2rem;
    }

    .score-stats {
        gap: 32px;
    }
}

@media (min-width: 1200px) {
    .splash-title .title-line-1 {
        font-size: 2.8rem;
        letter-spacing: 24px;
    }

    .splash-title .title-line-2 {
        font-size: 8rem;
    }

    .splash-tagline {
        font-size: 1.6rem;
    }

    .feature-pill {
        font-size: 1.05rem;
        padding: 12px 26px;
    }

    .conf-badge {
        font-size: 1.15rem;
        padding: 14px 32px;
    }

    .score-value {
        font-size: 5.5rem;
    }
}

/* Conference large screens */
@media (min-width: 1600px) {
    .splash-title .title-line-2 {
        font-size: 10rem;
    }

    .splash-tagline {
        font-size: 1.8rem;
    }

    .cta-button.big {
        padding: 24px 64px;
        font-size: 1.5rem;
    }

    .splash-glow {
        width: 800px;
        height: 800px;
    }
}

/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */

.fade-out {
    animation: fadeOut 0.4s ease-out forwards;
}

@keyframes fadeOut {
    to { opacity: 0; transform: translateY(-20px); }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--dataro-purple-light);
    outline-offset: 4px;
}

input:focus-visible {
    outline: none;
}

/* Allow text selection in form inputs */
.signup-form input {
    user-select: text;
    -webkit-user-select: text;
}