/* ============================================================
   Presenter's Arena - PowerPoint Online Tools
   Shared CSS for all 4 tools
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* ---------- Design Tokens ---------- */
:root {
    --pa-purple: #622384;
    --pa-purple-dark: #4a1a64;
    --pa-purple-light: #7b3fa0;
    --pa-green: #3a863d;
    --pa-green-dark: #2e6e31;
    --pa-green-bg: #eef8ee;
    --pa-green-border: #c2e0c2;

    --pa-text: #1a1a2e;
    --pa-text-secondary: #555;
    --pa-text-muted: #888;

    --pa-bg: #f7f7fb;
    --pa-white: #ffffff;
    --pa-border: #e2e2ea;
    --pa-border-light: #ededf3;

    --pa-radius-sm: 6px;
    --pa-radius: 10px;
    --pa-radius-lg: 16px;

    --pa-shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
    --pa-shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
    --pa-shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
    --pa-shadow-purple: 0 6px 24px rgba(98, 35, 132, 0.18);

    --pa-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --pa-container: 1140px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--pa-text);
    background: var(--pa-bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: var(--pa-purple);
    text-decoration: none;
    transition: color var(--pa-transition);
}

a:hover {
    color: var(--pa-purple-dark);
}

/* ---------- Utility ---------- */
.pa-container {
    max-width: var(--pa-container);
    margin: 0 auto;
    padding: 0 24px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

/* ============================================================
   1. HEADER  (matches presentersarena.com WordPress header)
   ============================================================ */
.pa-header {
    background: var(--pa-white);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.pa-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding: 15px 15px;
    min-height: 100px;
}

.pa-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
    margin-right: 40px;
}

.pa-logo:hover {
    opacity: 0.9;
}

.pa-logo img {
    height: 85px;
    width: auto;
}

/* Navigation - exact match to WP Newspaper theme */
.pa-nav {
    display: flex;
    align-items: center;
    gap: 0;
    margin-left: auto;
}

.pa-nav a {
    position: relative;
    padding: 0 20px;
    font-size: 14px;
    font-weight: 600;
    color: #000;
    line-height: 48px;
    text-transform: capitalize;
    transition: color var(--pa-transition);
    text-decoration: none;
    white-space: nowrap;
    font-family: 'DM Sans', sans-serif;
}

/* Dropdown chevron for items with submenus */
.pa-nav a.has-sub::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid #000;
    margin-left: 6px;
    vertical-align: middle;
    position: relative;
    top: -1px;
    transition: border-color var(--pa-transition);
}

.pa-nav a:hover {
    color: var(--pa-purple);
}

.pa-nav a:hover.has-sub::after {
    border-top-color: var(--pa-purple);
}

.pa-nav a.active {
    color: var(--pa-purple);
}

.pa-nav a.active.has-sub::after {
    border-top-color: var(--pa-purple);
}

/* Search icon - purple magnifying glass */
.pa-search {
    margin-left: 20px;
    color: var(--pa-purple);
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: opacity var(--pa-transition);
    text-decoration: none;
}

.pa-search svg {
    width: 22px;
    height: 22px;
}

.pa-search:hover {
    opacity: 0.7;
}

/* Mobile hamburger */
.pa-nav-mobile {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--pa-purple);
    padding: 4px;
    line-height: 1;
}

/* ============================================================
   2. HERO
   ============================================================ */
.pa-hero {
    background: linear-gradient(135deg, var(--pa-purple) 0%, var(--pa-purple-dark) 60%, #3a1554 100%);
    color: var(--pa-white);
    text-align: center;
    padding: 56px 24px 52px;
    position: relative;
    overflow: hidden;
}

.pa-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(123, 63, 160, 0.3) 0%, transparent 70%);
    pointer-events: none;
}

.pa-hero h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
    position: relative;
}

.pa-hero p {
    font-size: 17px;
    opacity: 0.9;
    max-width: 580px;
    margin: 0 auto;
    font-weight: 300;
    line-height: 1.6;
    position: relative;
}

/* ============================================================
   3. TOOL CONTAINER (two-column layout)
   ============================================================ */
.pa-tool-container {
    max-width: var(--pa-container);
    margin: -36px auto 48px;
    padding: 0 24px;
    position: relative;
    z-index: 10;
}

.pa-tool-card {
    background: var(--pa-white);
    border-radius: var(--pa-radius-lg);
    box-shadow: var(--pa-shadow);
    padding: 36px;
    display: block;
}

/* For tools that want an explicit left/right split at the top of the card */
.pa-tool-card .pa-tool-flex {
    display: flex;
    gap: 36px;
}

.pa-tool-left {
    flex: 0 0 60%;
    min-width: 0;
}

.pa-tool-right {
    flex: 0 0 40%;
    min-width: 0;
}

.pa-tool-card.single-column {
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================================
   4. UPLOAD AREA
   ============================================================ */
.pa-upload-area {
    border: 2px dashed var(--pa-border);
    border-radius: var(--pa-radius);
    padding: 52px 28px;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--pa-transition), background var(--pa-transition), box-shadow var(--pa-transition);
    background: var(--pa-bg);
    position: relative;
}

.pa-upload-area:hover,
.pa-upload-area.dragover {
    border-color: var(--pa-purple);
    background: rgba(98, 35, 132, 0.03);
    box-shadow: 0 0 0 4px rgba(98, 35, 132, 0.06);
}

.pa-upload-area .upload-icon {
    font-size: 52px;
    margin-bottom: 14px;
    color: var(--pa-purple-light);
    display: block;
}

.pa-upload-area h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--pa-text);
}

.pa-upload-area p {
    font-size: 14px;
    color: var(--pa-text-muted);
    margin-bottom: 16px;
}

.pa-upload-area input[type="file"] {
    display: none;
}

.pa-upload-area .pa-btn-browse {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border: 2px solid var(--pa-purple);
    border-radius: var(--pa-radius-sm);
    background: transparent;
    color: var(--pa-purple);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--pa-transition), color var(--pa-transition);
}

.pa-upload-area .pa-btn-browse:hover {
    background: var(--pa-purple);
    color: var(--pa-white);
}

/* ============================================================
   5. FILE LIST
   ============================================================ */
.pa-file-list {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pa-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--pa-bg);
    border-radius: var(--pa-radius-sm);
    font-size: 14px;
    transition: background var(--pa-transition);
}

.pa-file-item:hover {
    background: var(--pa-border-light);
}

.pa-file-item .file-info {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.pa-file-item .file-icon {
    color: var(--pa-purple);
    font-size: 20px;
    flex-shrink: 0;
}

.pa-file-item .file-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pa-file-item .file-size {
    color: var(--pa-text-muted);
    font-size: 13px;
    flex-shrink: 0;
    margin-left: 8px;
}

.pa-file-item .file-remove {
    cursor: pointer;
    color: #cc3333;
    font-size: 18px;
    padding: 4px 6px;
    border: none;
    background: none;
    border-radius: 4px;
    transition: background var(--pa-transition);
    flex-shrink: 0;
}

.pa-file-item .file-remove:hover {
    background: rgba(204, 51, 51, 0.08);
}

/* ============================================================
   6. OPTIONS PANEL
   ============================================================ */
.pa-options {
    padding: 0;
}

.pa-options h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--pa-text);
}

.pa-option-group {
    margin-bottom: 18px;
}

.pa-option-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--pa-text);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.pa-option-group select,
.pa-option-group input[type="text"],
.pa-option-group input[type="number"],
.pa-option-group input[type="email"],
.pa-option-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--pa-border);
    border-radius: var(--pa-radius-sm);
    font-family: inherit;
    font-size: 14px;
    color: var(--pa-text);
    background: var(--pa-white);
    outline: none;
    transition: border-color var(--pa-transition), box-shadow var(--pa-transition);
    appearance: none;
    -webkit-appearance: none;
}

.pa-option-group select {
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23888' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 38px;
}

.pa-option-group select:focus,
.pa-option-group input[type="text"]:focus,
.pa-option-group input[type="number"]:focus,
.pa-option-group input[type="email"]:focus,
.pa-option-group textarea:focus {
    border-color: var(--pa-purple);
    box-shadow: 0 0 0 3px rgba(98, 35, 132, 0.1);
}

.pa-option-group textarea {
    min-height: 80px;
    resize: vertical;
}

/* Radio and checkbox groups */
.pa-radio-group,
.pa-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pa-radio-group label,
.pa-checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: var(--pa-radius-sm);
    border: 1px solid var(--pa-border-light);
    transition: border-color var(--pa-transition), background var(--pa-transition);
}

.pa-radio-group label:hover,
.pa-checkbox-group label:hover {
    border-color: var(--pa-purple-light);
    background: rgba(98, 35, 132, 0.02);
}

.pa-radio-group input[type="radio"],
.pa-checkbox-group input[type="checkbox"] {
    accent-color: var(--pa-purple);
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.pa-option-row {
    display: flex;
    gap: 16px;
}

.pa-option-row .pa-option-group {
    flex: 1;
}

.pa-option-hint {
    font-size: 12px;
    color: var(--pa-text-muted);
    margin-top: 4px;
}

/* ============================================================
   7. BUTTONS
   ============================================================ */
.pa-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 28px;
    border: 2px solid transparent;
    border-radius: var(--pa-radius-sm);
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--pa-transition);
    text-decoration: none;
    line-height: 1.4;
}

.pa-btn-primary {
    background: var(--pa-purple);
    color: var(--pa-white);
    border-color: var(--pa-purple);
    width: 100%;
    margin-top: 20px;
}

.pa-btn-primary:hover {
    background: var(--pa-purple-dark);
    border-color: var(--pa-purple-dark);
    transform: translateY(-1px);
    box-shadow: var(--pa-shadow-purple);
}

.pa-btn-primary:active {
    transform: translateY(0);
    box-shadow: none;
}

.pa-btn-primary:disabled {
    background: #bbb;
    border-color: #bbb;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.pa-btn-download {
    background: var(--pa-green);
    color: var(--pa-white);
    border-color: var(--pa-green);
    width: 100%;
    margin-top: 16px;
    font-size: 16px;
    padding: 14px 28px;
}

.pa-btn-download:hover {
    background: var(--pa-green-dark);
    border-color: var(--pa-green-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(58, 134, 61, 0.25);
}

.pa-btn-download:active {
    transform: translateY(0);
}

.pa-btn-outline {
    background: transparent;
    color: var(--pa-purple);
    border-color: var(--pa-purple);
}

.pa-btn-outline:hover {
    background: var(--pa-purple);
    color: var(--pa-white);
}

.pa-btn-sm {
    padding: 8px 18px;
    font-size: 13px;
}

.pa-btn-lg {
    padding: 16px 36px;
    font-size: 16px;
}

/* ============================================================
   8. PROGRESS
   ============================================================ */
.pa-progress {
    margin-top: 24px;
    display: none;
}

.pa-progress.active {
    display: block;
}

.pa-progress-bar {
    height: 6px;
    background: var(--pa-border-light);
    border-radius: 3px;
    overflow: hidden;
}

.pa-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--pa-purple-light), var(--pa-purple));
    border-radius: 3px;
    transition: width 0.4s ease;
    width: 0%;
}

.pa-progress-text {
    font-size: 13px;
    color: var(--pa-text-muted);
    margin-top: 8px;
    text-align: center;
}

/* Spinner for indeterminate state */
.pa-progress-fill.indeterminate {
    width: 30%;
    animation: pa-progress-slide 1.5s ease-in-out infinite;
}

@keyframes pa-progress-slide {
    0% { margin-left: 0; }
    50% { margin-left: 70%; }
    100% { margin-left: 0; }
}

/* ============================================================
   9. RESULT
   ============================================================ */
.pa-result {
    margin-top: 24px;
    padding: 24px;
    background: var(--pa-green-bg);
    border-radius: var(--pa-radius);
    border: 1px solid var(--pa-green-border);
    display: none;
}

.pa-result.active {
    display: block;
    animation: pa-fadeIn 0.3s ease;
}

.pa-result-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.pa-result-header .result-icon {
    width: 28px;
    height: 28px;
    background: var(--pa-green);
    color: var(--pa-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}

.pa-result-header h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--pa-green-dark);
}

.pa-result .result-stats {
    font-size: 14px;
    color: var(--pa-text-secondary);
    margin-bottom: 14px;
    line-height: 1.7;
}

.pa-result .result-stats strong {
    color: var(--pa-green-dark);
}

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

/* ============================================================
   10. BENEFITS SECTION
   ============================================================ */
.pa-benefits {
    max-width: 800px;
    margin: 0 auto 48px;
    padding: 0 24px;
}

.pa-benefits h2 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--pa-text);
}

.pa-benefits > p {
    font-size: 15px;
    color: var(--pa-text-secondary);
    line-height: 1.75;
    margin-bottom: 28px;
}

.pa-benefits-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.pa-benefits-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    font-size: 15px;
    color: var(--pa-text-secondary);
    line-height: 1.65;
}

.pa-benefits-list li::before {
    content: '\2713';
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    background: var(--pa-green-bg);
    color: var(--pa-green);
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    margin-top: 1px;
    border: 1px solid var(--pa-green-border);
}

/* ============================================================
   11. HOW-TO STEPS
   ============================================================ */
.pa-steps {
    max-width: 800px;
    margin: 0 auto 48px;
    padding: 0 24px;
}

.pa-steps h2 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--pa-text);
    text-align: center;
}

.pa-steps-list {
    position: relative;
    padding-left: 48px;
}

/* Vertical connector line */
.pa-steps-list::before {
    content: '';
    position: absolute;
    left: 18px;
    top: 36px;
    bottom: 36px;
    width: 2px;
    background: var(--pa-border);
}

.pa-step {
    position: relative;
    margin-bottom: 32px;
}

.pa-step:last-child {
    margin-bottom: 0;
}

.pa-step-number {
    position: absolute;
    left: -48px;
    top: 0;
    width: 38px;
    height: 38px;
    background: var(--pa-purple);
    color: var(--pa-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    z-index: 1;
    box-shadow: 0 2px 8px rgba(98, 35, 132, 0.2);
}

.pa-step h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--pa-text);
    padding-top: 6px;
}

.pa-step p {
    font-size: 15px;
    color: var(--pa-text-secondary);
    line-height: 1.65;
}

/* ============================================================
   12. FAQ SECTION
   ============================================================ */
.pa-faq {
    max-width: 800px;
    margin: 0 auto 48px;
    padding: 0 24px;
}

.pa-faq h2 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--pa-text);
    text-align: center;
}

.pa-faq-item {
    border: 1px solid var(--pa-border-light);
    border-radius: var(--pa-radius);
    margin-bottom: 10px;
    overflow: hidden;
    background: var(--pa-white);
    transition: box-shadow var(--pa-transition);
}

.pa-faq-item:hover {
    box-shadow: var(--pa-shadow-sm);
}

.pa-faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    color: var(--pa-text);
    gap: 16px;
    transition: color var(--pa-transition);
}

.pa-faq-question:hover {
    color: var(--pa-purple);
}

.pa-faq-question .q-prefix {
    color: var(--pa-purple);
    font-weight: 700;
    margin-right: 6px;
}

.pa-faq-question .faq-toggle {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pa-text-muted);
    transition: transform var(--pa-transition);
    font-size: 18px;
}

.pa-faq-item.open .pa-faq-question .faq-toggle {
    transform: rotate(180deg);
}

.pa-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
}

.pa-faq-item.open .pa-faq-answer {
    max-height: 500px;
}

.pa-faq-answer-inner {
    padding: 0 22px 20px;
    font-size: 14px;
    color: var(--pa-text-secondary);
    line-height: 1.75;
}

/* ============================================================
   13. FEATURE HIGHLIGHTS GRID
   ============================================================ */
.pa-features-grid {
    max-width: var(--pa-container);
    margin: 0 auto 56px;
    padding: 0 24px;
}

.pa-features-grid h2 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--pa-text);
    text-align: center;
}

.pa-features-grid-inner {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.pa-feature-card {
    background: var(--pa-white);
    border-radius: var(--pa-radius);
    padding: 28px;
    border: 1px solid var(--pa-border-light);
    transition: box-shadow var(--pa-transition), transform var(--pa-transition);
}

.pa-feature-card:hover {
    box-shadow: var(--pa-shadow);
    transform: translateY(-3px);
}

.pa-feature-card .feature-icon {
    font-size: 36px;
    margin-bottom: 14px;
    display: block;
    color: var(--pa-purple);
}

.pa-feature-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--pa-text);
}

.pa-feature-card p {
    font-size: 14px;
    color: var(--pa-text-secondary);
    line-height: 1.65;
}

/* ============================================================
   14. TOOLS GRID (Landing Page)
   ============================================================ */
.pa-tools-grid {
    max-width: 960px;
    margin: 48px auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.pa-tool-tile {
    background: var(--pa-white);
    border-radius: var(--pa-radius-lg);
    box-shadow: var(--pa-shadow-sm);
    padding: 36px 28px;
    text-align: center;
    transition: transform var(--pa-transition), box-shadow var(--pa-transition);
    cursor: pointer;
    text-decoration: none;
    color: var(--pa-text);
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid var(--pa-border-light);
}

.pa-tool-tile:hover {
    transform: translateY(-6px);
    box-shadow: var(--pa-shadow-purple);
    color: var(--pa-text);
    border-color: rgba(98, 35, 132, 0.15);
}

.pa-tool-tile .tile-icon {
    font-size: 52px;
    margin-bottom: 18px;
    transition: transform var(--pa-transition);
}

.pa-tool-tile:hover .tile-icon {
    transform: scale(1.08);
}

.pa-tool-tile h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--pa-text);
}

.pa-tool-tile p {
    font-size: 14px;
    color: var(--pa-text-secondary);
    line-height: 1.6;
}

/* ============================================================
   15. FOOTER
   ============================================================ */
.pa-footer {
    background: #1a1a2e;
    color: #aab;
    padding: 48px 24px 32px;
    margin-top: 48px;
}

.pa-footer-inner {
    max-width: var(--pa-container);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-bottom: 36px;
}

.pa-footer-col h4 {
    color: var(--pa-white);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.pa-footer-col a {
    display: block;
    color: #aab;
    font-size: 14px;
    padding: 4px 0;
    transition: color var(--pa-transition);
    text-decoration: none;
}

.pa-footer-col a:hover {
    color: var(--pa-white);
}

.pa-footer-bottom {
    max-width: var(--pa-container);
    margin: 0 auto;
    text-align: center;
    font-size: 13px;
    color: #667;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
}

.pa-footer-bottom a {
    color: #99a;
}

.pa-footer-bottom a:hover {
    color: var(--pa-white);
}

/* Simple footer fallback (single-row links) */
.pa-footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

/* ============================================================
   INFO / CONTENT SECTION (generic)
   ============================================================ */
.pa-info {
    max-width: 800px;
    margin: 0 auto 48px;
    padding: 0 24px;
}

.pa-info h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 36px 0 14px;
    color: var(--pa-text);
}

.pa-info p,
.pa-info li {
    font-size: 15px;
    color: var(--pa-text-secondary);
    line-height: 1.75;
}

.pa-info ul {
    padding-left: 22px;
    margin: 12px 0;
}

.pa-info ul li {
    margin-bottom: 8px;
}

/* ============================================================
   ALERTS / NOTICES
   ============================================================ */
.pa-alert {
    padding: 14px 18px;
    border-radius: var(--pa-radius-sm);
    font-size: 14px;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.pa-alert-info {
    background: rgba(98, 35, 132, 0.06);
    color: var(--pa-purple-dark);
    border: 1px solid rgba(98, 35, 132, 0.12);
}

.pa-alert-error {
    background: #fdf0f0;
    color: #a33;
    border: 1px solid #f0c0c0;
}

.pa-alert-success {
    background: var(--pa-green-bg);
    color: var(--pa-green-dark);
    border: 1px solid var(--pa-green-border);
}

/* ============================================================
   LOADING / SPINNER
   ============================================================ */
.pa-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--pa-border);
    border-top-color: var(--pa-purple);
    border-radius: 50%;
    animation: pa-spin 0.7s linear infinite;
    display: inline-block;
}

@keyframes pa-spin {
    to { transform: rotate(360deg); }
}

/* ============================================================
   16. RESPONSIVE (max-width: 768px)
   ============================================================ */
@media (max-width: 768px) {
    /* Header */
    .pa-nav {
        display: none;
    }

    .pa-nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--pa-white);
        padding: 12px 20px 20px;
        border-bottom: 1px solid var(--pa-border);
        box-shadow: var(--pa-shadow);
        gap: 0;
    }

    .pa-nav.open a {
        padding: 12px 16px;
        border-radius: var(--pa-radius-sm);
    }

    .pa-nav.open a::after {
        display: none;
    }

    .pa-nav-mobile {
        display: block;
    }

    /* Hero */
    .pa-hero {
        padding: 36px 20px 32px;
    }

    .pa-hero h1 {
        font-size: 26px;
    }

    .pa-hero p {
        font-size: 15px;
    }

    /* Tool container - tighter padding on mobile */
    .pa-tool-card {
        padding: 24px;
    }
    .pa-tool-card .pa-tool-flex {
        flex-direction: column;
        gap: 28px;
    }

    .pa-tool-left,
    .pa-tool-right {
        flex: 1 1 100%;
    }

    .pa-tool-right {
        padding-top: 20px;
        border-top: 1px solid var(--pa-border-light);
    }

    .pa-tool-container {
        margin-top: -24px;
    }

    /* Upload */
    .pa-upload-area {
        padding: 36px 20px;
    }

    /* Options */
    .pa-option-row {
        flex-direction: column;
        gap: 0;
    }

    /* Grids */
    .pa-tools-grid {
        grid-template-columns: 1fr;
        margin: 32px auto;
    }

    .pa-features-grid-inner {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .pa-footer-inner {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    /* Steps */
    .pa-steps h2,
    .pa-faq h2,
    .pa-features-grid h2,
    .pa-benefits h2 {
        font-size: 22px;
    }

    /* General */
    .pa-info h2 {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .pa-header-inner {
        padding: 0 16px;
    }

    .pa-footer-inner {
        grid-template-columns: 1fr;
    }

    .pa-tool-card {
        padding: 20px 16px;
    }

    .pa-step {
        margin-bottom: 24px;
    }

    .pa-feature-card {
        padding: 22px;
    }
}