:root {
    /* Orchestra Ads Theme Colors - Light Mode */
    --bg-color: #ffffff;
    /* White */
    --bg-surface: #fafafa;
    /* Neutral 50 */
    --text-primary: #0a0a0a;
    /* Neutral 950 */
    --text-secondary: #525252;
    /* Neutral 600 */

    /* Gold Accents */
    --gold-300: #FFD700;
    --gold-400: #E6C200;
    --gold-500: #B39700;

    --accent-color: var(--gold-400);
    /* Slightly darker gold for contrast on white */
    --accent-gradient: linear-gradient(135deg, #FFD700 0%, #E6C200 50%, #B39700 100%);
    --metallic-gray: linear-gradient(135deg, #F3F4F6 0%, #D1D5DB 50%, #9CA3AF 100%);

    --input-bg: rgba(0, 0, 0, 0.02);
    --input-border: #e5e5e5;
    /* Neutral 200 */
    --input-focus: var(--gold-400);
    --error-color: #ef4444;

    --font-family: 'Inter', sans-serif;
    --transition-speed: 0.3s;
    /* Speeded up by another 50% (was 0.6s) */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Logo Styles */
.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-image {
    height: 40px;
    /* Adjust height as needed */
    width: auto;
    display: block;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Background Orbs / Glows - Adjusted for Light Mode */
body::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
    filter: blur(80px);
    z-index: -1;
    pointer-events: none;
}

body::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.03) 0%, transparent 70%);
    filter: blur(80px);
    z-index: -1;
    pointer-events: none;
}

/* Header */
.site-header {
    position: fixed;
    top: 30px;
    left: 30px;
    z-index: 100;
}

/* Progress Bar */
.progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: rgba(0, 0, 0, 0.05);
    z-index: 90;
}

.progress-bar {
    height: 100%;
    background: var(--accent-gradient);
    width: 0%;
    transition: width 0.8s var(--ease-out-expo);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.4);
}

/* Form Container */
.form-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
}

/* Steps / Slides */
.step {
    width: 100%;
    opacity: 0;
    transition: all var(--transition-speed) var(--ease-out-expo);
    display: none;
}

.step.active {
    opacity: 1;
    transform: translateY(0);
    display: block;
}

/* Animations */
.step.fade-out-up {
    opacity: 0;
    transform: translateY(-20px);
    filter: blur(10px);
    display: block;
}

.step.fade-out-down {
    opacity: 0;
    transform: translateY(20px);
    filter: blur(10px);
    display: block;
}

.step.fade-in-up {
    animation: fadeInUp var(--transition-speed) var(--ease-out-expo) forwards;
}

.step.fade-in-down {
    animation: fadeInDown var(--transition-speed) var(--ease-out-expo) forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
        filter: blur(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
        filter: blur(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

/* Typography */
.question-number {
    color: var(--gold-500);
    /* Darker gold for light mode */
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    display: block;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

h1,
h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    background: none;
    -webkit-text-fill-color: initial;
}

p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-weight: 400;
    line-height: 1.6;
}

/* Inputs */
.input-group {
    margin-bottom: 3rem;
    position: relative;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"] {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--input-border);
    color: var(--text-primary);
    font-size: 2rem;
    padding: 15px 0;
    outline: none;
    font-family: var(--font-family);
    font-weight: 300;
    transition: all 0.4s ease;
}

input:focus {
    border-color: var(--gold-400);
    box-shadow: 0 10px 30px -10px rgba(255, 215, 0, 0.15);
}

input::placeholder {
    color: rgba(0, 0, 0, 0.2);
}

/* Multiple Choice Options */
.options-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-item {
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 16px 24px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.option-item:hover {
    background: rgba(0, 0, 0, 0.04);
    border-color: var(--gold-400);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.option-item .key-hint {
    font-size: 0.75rem;
    background: rgba(0, 0, 0, 0.05);
    padding: 4px 8px;
    border-radius: 6px;
    margin-right: 16px;
    color: var(--text-secondary);
    font-weight: 600;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.option-item.selected {
    background: rgba(255, 215, 0, 0.15);
    border-color: var(--gold-400);
    color: black;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.15);
}

.option-item.selected .key-hint {
    background: var(--gold-400);
    color: black;
    border-color: var(--gold-400);
}

/* Buttons */
.btn-group {
    display: flex;
    gap: 1rem;
    margin-top: 3rem;
}

button {
    padding: 16px 40px;
    font-size: 1rem;
    border-radius: 9999px;
    border: none;
    cursor: pointer;
    font-family: var(--font-family);
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: #0a0a0a;
    /* Black button on light mode */
    color: white;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: rgba(0, 0, 0, 0.05);
    color: black;
    border-color: black;
}

/* Back Button */
.back-button-container {
    position: fixed;
    bottom: 40px;
    left: 40px;
    z-index: 95;
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}

.back-button-container.visible {
    opacity: 1;
    pointer-events: auto;
}

.btn-back {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    transition: all 0.3s;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.btn-back:hover {
    color: black;
    transform: translateX(-5px);
}

.back-text {
    display: none;
}

@media (min-width: 768px) {
    .back-text {
        display: inline;
    }
}

/* Error Message */
.error-message {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 1rem;
    display: none;
    animation: fadeIn 0.3s ease;
}

.error-message.visible {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Branding Footer */
.branding-footer {
    position: fixed;
    bottom: 30px;
    right: 30px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    pointer-events: none;
    letter-spacing: 0.05em;
}

.branding-footer strong {
    color: black;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 600px) {

    h1,
    h2 {
        font-size: 1.75rem;
    }

    input {
        font-size: 1.5rem;
    }

    .form-container {
        padding: 24px;
    }

    .option-item {
        padding: 14px 20px;
        font-size: 1rem;
    }

    .site-header {
        top: 20px;
        left: 20px;
    }
}

/* Logo Styles */
.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 32px;
    width: 32px;
    /* No background for Orchestra logo, just the image/svg if we had one,
       but here we will style a simple circle or use the text as requested */
    border-radius: 50%;
    background: var(--accent-gradient);
}

.logo-icon-inner {
    height: 100%;
    width: 100%;
    /* Placeholder for icon */
}

.logo-text {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    /* Larger logo text */
    letter-spacing: -0.02em;
    color: black;
    /* Black logo text */
}