/* ================================================
   BRAND BRIEFING FORM — Premium Light Theme
   ================================================ */

/* === CSS Variables === */
:root {
    --bg-primary: #FAFAFA;
    --bg-secondary: #FFFFFF;
    --bg-card: rgba(0, 0, 0, 0.02);
    --bg-card-hover: rgba(0, 0, 0, 0.04);
    --bg-glass: rgba(255, 255, 255, 0.8);
    --border-color: rgba(0, 0, 0, 0.08);
    --border-active: rgba(147, 86, 234, 0.5);
    --text-primary: #111111;
    --text-secondary: #555555;
    --text-muted: #999999;
    --accent-purple: #7a1cfd;
    --accent-purple-light: #A76FF0;
    --accent-purple-dark: #8635ff;
    --accent-green: #5104a8;
    --accent-pink: #E0396E;
    --gradient-primary: linear-gradient(135deg, #9356EA, #7B3FD4);
    --gradient-secondary: linear-gradient(135deg, #9356EA, #A76FF0);
    --gradient-success: linear-gradient(135deg, #9356EA, #7B3FD4);
    --shadow-glow: 0 0 40px rgba(147, 86, 234, 0.1);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.06);
    --shadow-soft: 0 1px 3px rgba(0, 0, 0, 0.06);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Reset & Base === */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* === Background Effects === */
.background-effects {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.2;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: #8c3bff;
    top: -200px;
    right: -200px;
    opacity: 0.07;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: #C4A0F5;
    bottom: -150px;
    left: -150px;
    opacity: 0.06;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: #D8BFF8;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.04;
    animation-delay: -14s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -50px) scale(1.05);
    }

    66% {
        transform: translate(-20px, 30px) scale(0.95);
    }
}

/* === Container === */
.container {
    position: relative;
    z-index: 1;
    max-width: 820px;
    margin: 0 auto;
    padding: 2.5rem 2rem 4rem;
    background: #FFFFFF;
    border-radius: 20px;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

/* === Header === */
.form-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.logo-area {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.logo-icon {
    display: flex;
}

.form-header h1 {
    font-family: 'Inter', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.92rem;
    max-width: 480px;
    margin: 0 auto;
    font-weight: 400;
    line-height: 1.6;
}

.header-divider {
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 3px;
    margin: 1.25rem auto 0;
}

/* === Progress Bar === */
.progress-container {
    margin-bottom: 3rem;
}

.progress-bar {
    height: 3px;
    background: var(--border-color);
    border-radius: 3px;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 14.28%;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
    transition: var(--transition);
}

.progress-step span {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-muted);
    transition: var(--transition);
}

.progress-step small {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 500;
    transition: var(--transition);
}

.progress-step.active span {
    background: var(--accent-purple);
    border-color: var(--accent-purple);
    color: white;
}

.progress-step.active small {
    color: var(--text-primary);
}

.progress-step.completed span {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: white;
}

.progress-step.completed small {
    color: var(--text-secondary);
}

/* === Form Steps === */
.form-step {
    display: none;
    animation: fadeSlideIn 0.5s ease-out;
}

.form-step.active {
    display: block;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.step-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.step-number {
    display: none;
}

.step-header h2 {
    font-family: 'Inter', sans-serif;
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0 0 0.2rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.step-header p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 300;
}

/* === Form Grid === */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group label small {
    color: var(--text-muted);
    font-weight: 300;
}

.required {
    color: var(--accent-pink);
}

/* === Inputs === */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
textarea,
select {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
    font-weight: 300;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
    border-color: var(--accent-purple);
    background: #FFFFFF;
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

textarea {
    resize: vertical;
    min-height: 60px;
}

/* === Selection Group === */
.selection-group {
    margin-bottom: 1rem;
}

.group-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.group-label small {
    color: var(--text-muted);
    font-weight: 300;
}

/* === Tag Buttons (Adjectives) === */
.tag-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tag-btn {
    padding: 0.6rem 1.1rem;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 0.82rem;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;

}

.tag-btn i {
    font-size: 1rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.tag-btn:hover {
    background: #F5F0FC;
    border-color: rgba(147, 86, 234, 0.3);
    color: var(--text-primary);
    transform: translateY(-1px);

}

.tag-btn:hover i {
    color: var(--accent-purple);
}

.tag-btn.selected {
    background: #F0E6FB;
    border-color: var(--accent-purple);
    color: var(--text-primary);

}

.tag-btn.selected i {
    color: var(--accent-purple);
}

/* === Palette Cards === */
.palette-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.palette-card {
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Inter', sans-serif;

}

.palette-card:hover {
    background: #FDFBFF;
    border-color: rgba(147, 86, 234, 0.3);
    transform: translateY(-3px);

}

.palette-card.selected {
    background: #F8F2FE;
    border-color: var(--accent-purple);

}

.palette-colors {
    display: flex;
    gap: 4px;
    width: 100%;
}

.palette-colors span {
    flex: 1;
    height: 40px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.palette-card:hover .palette-colors span {
    transform: scaleY(1.1);
}

.palette-name {
    font-size: 0.78rem;
    font-weight: 300;
    color: var(--text-secondary);
    text-align: center;
}

/* === Font Cards === */
.font-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.font-card {
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    font-family: 'Inter', sans-serif;

}

.font-card:hover {
    background: #FDFBFF;
    border-color: rgba(147, 86, 234, 0.3);
    transform: translateY(-3px);

}

.font-card.selected {
    background: #F8F2FE;
    border-color: var(--accent-purple);

}

.font-preview {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    letter-spacing: 1px;
}

.font-sample {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.font-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
}

.font-desc {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* === Logo Type Cards === */
.logo-type-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.logo-type-card {
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    font-family: 'Inter', sans-serif;

}

.logo-type-card:hover {
    background: #FDFBFF;
    border-color: rgba(147, 86, 234, 0.3);
    transform: translateY(-3px);

}

.logo-type-card.selected {
    background: #F8F2FE;
    border-color: var(--accent-purple);

}

.logo-preview {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.logo-preview.wordmark span {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: 4px;
    color: var(--accent-purple);
}

.logo-preview.lettermark span {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    font-size: 2.2rem;
    color: var(--accent-purple);
}

.logo-preview.combination {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-preview.combination span {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.logo-type-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.logo-type-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.logo-type-example {
    font-size: 0.68rem;
    color: var(--text-muted);
    font-style: italic;
}

/* === Checkbox Cards === */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.checkbox-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    padding: 1rem 0.5rem;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.78rem;
    color: var(--text-secondary);
    text-align: center;

}

.checkbox-card:hover {
    background: #FDFBFF;
    border-color: rgba(147, 86, 234, 0.3);
    transform: translateY(-2px);
}

.checkbox-card:has(input:checked) {
    background: #F8F2FE;
    border-color: var(--accent-purple);
    color: var(--text-primary);
}

.checkbox-card:has(input:checked) .checkmark i {
    color: var(--accent-purple);
}

.checkbox-card input {
    display: none;
}

.checkmark {
    font-size: 1.5rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.checkmark i {
    font-size: 1.5rem;
}

/* === Tone Sliders === */
.tone-slider-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tone-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.tone-option span {
    min-width: 85px;
    text-align: center;
}

.tone-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: #E8E0F0;
    border-radius: 3px;
    outline: none;
}

.tone-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-purple);
    cursor: pointer;
    border: 3px solid white;
    transition: var(--transition);
}

.tone-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.tone-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-purple);
    cursor: pointer;
    border: 3px solid white;
}

/* === Color Input === */
.color-input-group {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.color-picker {
    width: 48px;
    height: 48px;
    padding: 2px;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);

}

.color-picker::-webkit-color-swatch-wrapper {
    padding: 3px;
}

.color-picker::-webkit-color-swatch {
    border: none;
    border-radius: 6px;
}

.color-input-group input[type="text"] {
    flex: 1;
}

/* === Upload Area === */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-secondary);
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--accent-purple);
    background: #FDFBFF;
}

.upload-icon {
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.upload-area p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.upload-link {
    color: var(--accent-purple);
    font-weight: 600;
    text-decoration: underline;
}

.upload-area small {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-top: 1rem;
}

.preview-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 1;
    border: 1.5px solid var(--border-color);

}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    border: none;
    color: white;
    font-size: 0.7rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.preview-remove:hover {
    background: var(--accent-pink);
}

/* === Summary === */
.summary-container {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.summary-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    transition: var(--transition);

}

.summary-card:hover {
    background: #FDFBFF;
    border-color: rgba(147, 86, 234, 0.15);

}

.summary-card h3 {
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-purple);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.summary-card h3 i {
    font-size: 1.1rem;
}

.summary-card .summary-row {
    display: flex;
    padding: 0.35rem 0;
    font-size: 0.82rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.summary-card .summary-row:last-child {
    border-bottom: none;
}

.summary-label {
    color: var(--text-muted);
    min-width: 140px;
    font-weight: 500;
}

.summary-value {
    color: var(--text-primary);
    flex: 1;
}

.summary-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.summary-tag {
    padding: 0.2rem 0.6rem;
    background: #F0E6FB;
    border-radius: 50px;
    font-size: 0.72rem;
    color: var(--accent-purple);
    font-weight: 500;
}

.summary-palette-preview {
    display: flex;
    gap: 3px;
}

.summary-palette-preview span {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

/* === Buttons === */
.form-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--accent-purple);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-purple-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1.5px solid var(--border-color);

}

.btn-secondary:hover {
    background: #F5F0FC;
    color: var(--text-primary);
    border-color: rgba(147, 86, 234, 0.2);
}

.btn-success {
    background: var(--accent-purple);
    color: white;
}

.btn-success:hover {
    background: var(--accent-purple-dark);
    transform: translateY(-2px);
}

/* === Success Screen === */
.success-screen {
    text-align: center;
    padding: 4rem 2rem;
    animation: fadeSlideIn 0.6s ease-out;
}

.success-icon {
    margin-bottom: 2rem;
    animation: successPulse 2s infinite;
}

@keyframes successPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.success-screen h2 {
    font-family: 'Inter', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.success-screen p {
    color: var(--text-secondary);
    max-width: 450px;
    margin: 0 auto 2rem;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* === Form Validation Styling === */
.form-group.error input,
.form-group.error textarea {
    border-color: var(--accent-pink);
    background: #FFF5F8;
}

.form-group .error-message {
    font-size: 0.75rem;
    color: var(--accent-pink);
    display: none;
}

.form-group.error .error-message {
    display: block;
}

/* === Responsive === */
@media (max-width: 768px) {
    .container {
        padding: 1.25rem 1rem 3rem;
    }

    .form-header h1 {
        font-size: 1.6rem;
    }

    .progress-steps {
        gap: 0;
    }

    .progress-step small {
        display: none;
    }

    .progress-step span {
        width: 28px;
        height: 28px;
        font-size: 0.7rem;
    }

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

    .palette-grid,
    .font-grid,
    .logo-type-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .preview-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .step-header h2 {
        font-size: 1.3rem;
    }

    .tone-option span {
        min-width: 70px;
        font-size: 0.75rem;
    }

    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.85rem;
    }

    .summary-card .summary-row {
        flex-direction: column;
        gap: 0.2rem;
    }

    .summary-label {
        min-width: unset;
    }
}

@media (max-width: 480px) {

    .palette-grid,
    .font-grid,
    .logo-type-grid {
        grid-template-columns: 1fr;
    }

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

    .form-navigation {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .form-navigation .btn {
        flex: 1;
        justify-content: center;
    }
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: #D0C0E8;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-purple);
}

/* === Spinner === */
.spin {
    display: inline-block;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}