/* ═══════════════════════════════════════════
   PDFRápido — CSS Global
   dev: MF Sanchez
   ═══════════════════════════════════════════ */

/* ── VARIABLES ── */
:root {
    --primary: #E8453C;
    --primary-dark: #C73830;
    --primary-light: #FFF0EF;
    --secondary: #1B2A4A;
    --accent-orange: #F5913E;
    --accent-orange-light: #FFF3E0;
    --accent-orange-dark: #D97A2B;
    --accent-green: #34A853;
    --accent-green-light: #E8F5E9;
    --accent-green-dark: #1E7E34;
    --accent-blue: #4285F4;
    --accent-blue-light: #EBF2FE;
    --accent-blue-dark: #2B6BD0;
    --accent-purple: #8E44AD;
    --accent-purple-light: #F3E5F5;
    --accent-purple-dark: #6C3483;
    --accent-teal: #00897B;
    --accent-teal-light: #E0F2F1;
    --accent-teal-dark: #00695C;
    --accent-indigo: #3F51B5;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    --shadow-hover: 0 14px 35px -3px rgba(0,0,0,0.12), 0 6px 12px -4px rgba(0,0,0,0.06);
}

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--gray-800);
    background: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* ── NAV ── */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    transition: box-shadow 0.3s;
}
nav.scrolled { box-shadow: var(--shadow-md); }
.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--secondary);
}
.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
}
.logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.logo-text span { color: var(--primary); }
.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}
.nav-links a {
    text-decoration: none;
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--primary); }
.nav-back {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: var(--gray-500);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-back:hover { color: var(--primary); }

/* ── HERO (index) ── */
.hero {
    padding: 140px 24px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, rgba(232,69,60,0.06) 0%, transparent 70%);
    pointer-events: none;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-light);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out;
}
.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}
.hero h1 {
    font-size: clamp(36px, 5.5vw, 60px);
    font-weight: 700;
    color: var(--secondary);
    line-height: 1.1;
    letter-spacing: -1.5px;
    max-width: 700px;
    margin: 0 auto 20px;
    animation: fadeInUp 0.6s ease-out 0.1s both;
}
.hero h1 span {
    background: linear-gradient(135deg, var(--primary), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero p {
    font-size: 18px;
    color: var(--gray-500);
    max-width: 520px;
    margin: 0 auto 40px;
    line-height: 1.6;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}
.hero-stat { text-align: center; }
.hero-stat strong {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--secondary);
    letter-spacing: -0.5px;
}
.hero-stat span {
    font-size: 13px;
    color: var(--gray-400);
    font-weight: 500;
}

/* ── MAIN CONTAINER ── */
main {
    flex: 1;
    padding: 104px 24px 60px;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}
main.wide { max-width: 1200px; }
main.narrow { max-width: 700px; }

/* ── TOOL HEADER ── */
.tool-header {
    text-align: center;
    margin-bottom: 36px;
    animation: fadeIn 0.5s ease-out;
}
.tool-header .icon-badge {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}
.tool-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--secondary);
    letter-spacing: -0.8px;
    margin-bottom: 8px;
}
.tool-header p {
    font-size: 16px;
    color: var(--gray-500);
    line-height: 1.5;
}

/* ── SECTION HEADERS (index) ── */
.tools-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 80px;
}
.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-header h2 {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}
.section-header p {
    font-size: 32px;
    font-weight: 700;
    color: var(--secondary);
    letter-spacing: -0.5px;
}

/* ── CATEGORY LABELS (index) ── */
.category-label {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 48px 0 20px;
    padding: 0 4px;
}
.category-label:first-of-type { margin-top: 0; }
.category-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.category-label h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-700);
    letter-spacing: -0.3px;
}
.category-label span {
    font-size: 13px;
    color: var(--gray-400);
    font-weight: 400;
}

/* ── TOOL CARDS GRID (index) ── */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}
.tool-card {
    opacity: 1 !important;
    transform: none !important;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 24px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
}
.tool-card.visible {
    animation: cardReveal 0.4s ease-out forwards;
}
.tool-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--card-accent, var(--primary));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}
.tool-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.tool-card:hover::after { transform: scaleX(1); }
.tool-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    transition: transform 0.3s ease;
}
.tool-card:hover .tool-icon {
    transform: scale(1.1) rotate(-3deg);
}
.tool-card h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 6px;
}
.tool-card p {
    font-size: 12px;
    color: var(--gray-400);
    line-height: 1.4;
}

/* Card category colors */
.tool-card[data-cat="organize"] { --card-accent: var(--accent-blue); }
.tool-card[data-cat="organize"] .tool-icon { background: var(--accent-blue-light); }
.tool-card[data-cat="optimize"] { --card-accent: var(--accent-green); }
.tool-card[data-cat="optimize"] .tool-icon { background: var(--accent-green-light); }
.tool-card[data-cat="convert-to"] { --card-accent: var(--primary); }
.tool-card[data-cat="convert-to"] .tool-icon { background: var(--primary-light); }
.tool-card[data-cat="convert-from"] { --card-accent: var(--accent-orange); }
.tool-card[data-cat="convert-from"] .tool-icon { background: var(--accent-orange-light); }
.tool-card[data-cat="edit"] { --card-accent: var(--accent-purple); }
.tool-card[data-cat="edit"] .tool-icon { background: var(--accent-purple-light); }
.tool-card[data-cat="security"] { --card-accent: var(--accent-teal); }
.tool-card[data-cat="security"] .tool-icon { background: var(--accent-teal-light); }

/* ── UPLOAD ZONE ── */
.upload-zone {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    background: var(--gray-50);
    animation: fadeInUp 0.5s ease-out 0.1s both;
}
.upload-zone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(52,168,83,0.04), transparent 70%);
    pointer-events: none;
}
.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--accent-green);
    background: rgba(52,168,83,0.03);
    transform: scale(1.005);
}
.upload-zone .upload-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: transform 0.3s;
}
.upload-zone:hover .upload-icon {
    transform: translateY(-4px);
}
.upload-zone h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 8px;
}
.upload-zone h3 span {
    color: var(--accent-green);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.upload-zone > p {
    font-size: 14px;
    color: var(--gray-400);
}
.upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

/* ── FILE CARD ── */
.file-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}
.file-card .file-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.file-card .file-info { flex: 1; min-width: 0; }
.file-card .file-info h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.file-card .file-info span {
    font-size: 12px;
    color: var(--gray-400);
}
.file-remove {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    background: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}
.file-remove:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}

/* ── OPTIONS CARD ── */
.options-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}
.options-card h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 16px;
}

/* ── FORM ELEMENTS ── */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 6px;
}
.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    outline: none;
    background: #fff;
    transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus { border-color: var(--accent-blue); }
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.form-hint {
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 4px;
}

/* ── BUTTONS ── */
.btn-primary {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: var(--radius);
    color: #fff;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    letter-spacing: -0.2px;
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-primary.green { background: var(--accent-green); }
.btn-primary.green:hover { background: var(--accent-green-dark); }
.btn-primary.blue { background: var(--accent-blue); }
.btn-primary.blue:hover { background: var(--accent-blue-dark); }
.btn-primary.red { background: var(--primary); }
.btn-primary.red:hover { background: var(--primary-dark); }
.btn-primary.purple { background: var(--accent-purple); }
.btn-primary.purple:hover { background: var(--accent-purple-dark); }
.btn-primary.teal { background: var(--accent-teal); }
.btn-primary.teal:hover { background: var(--accent-teal-dark); }
.btn-primary.orange { background: var(--accent-orange); }
.btn-primary.orange:hover { background: var(--accent-orange-dark); }

.btn-download {
    padding: 14px 32px;
    border: none;
    border-radius: var(--radius);
    color: #fff;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    display: flex;
    align-items: center;
    gap: 8px;
}
.btn-download:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}

.btn-secondary {
    padding: 14px 24px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    background: #fff;
    color: var(--gray-600);
    font-family: inherit;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}
.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

/* ── PROGRESS ── */
.progress-area {
    display: none;
    text-align: center;
    padding: 40px 0;
    animation: fadeIn 0.3s ease;
}
.progress-area.active { display: block; }
.progress-ring {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    position: relative;
}
.progress-ring svg { transform: rotate(-90deg); }
.progress-ring circle {
    fill: none;
    stroke-width: 6;
    stroke-linecap: round;
}
.progress-ring .bg { stroke: var(--gray-200); }
.progress-ring .fg { transition: stroke-dashoffset 0.4s ease; }
.progress-pct {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary);
}
.progress-label {
    font-size: 15px;
    color: var(--gray-500);
    font-weight: 500;
}
.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

/* ── RESULT CARD ── */
.result-area {
    display: none;
    animation: fadeInUp 0.5s ease-out;
}
.result-area.active { display: block; }
.result-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: 36px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}
.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-green), #81C784);
}
.result-success-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    animation: scaleIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.result-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 8px;
}
.result-card .result-desc {
    font-size: 14px;
    color: var(--gray-400);
    margin-bottom: 24px;
}
.result-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── ERROR MESSAGE ── */
.error-msg {
    background: var(--primary-light);
    border: 1px solid var(--primary);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
    color: var(--primary-dark);
    font-size: 14px;
    margin-bottom: 20px;
    display: none;
}
.error-msg.show { display: block; }

/* ── STEP VISIBILITY ── */
.step { display: none; animation: fadeInUp 0.4s ease-out; }
.step.active { display: block; }

/* ── SEO CONTENT ── */
.seo-content {
    max-width: 700px;
    margin: 60px auto 0;
    padding: 0 4px;
}
.seo-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.seo-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-700);
    margin: 28px 0 10px;
}
.seo-content p {
    font-size: 15px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 12px;
}
.seo-content ul {
    padding-left: 20px;
    margin-bottom: 12px;
}
.seo-content li {
    font-size: 15px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 4px;
}

/* ── AD PLACEHOLDER ── */
.ad-placeholder {
    background: var(--gray-50);
    border: 1px dashed var(--gray-300);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
    color: var(--gray-400);
    font-size: 13px;
    margin-top: 40px;
}

/* ── FEATURES (index) ── */
.features {
    background: var(--gray-50);
    padding: 80px 24px;
}
.features-inner {
    max-width: 1000px;
    margin: 0 auto;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-top: 48px;
}
.feature-item { text-align: center; }
.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    background: #fff;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
}
.feature-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 8px;
}
.feature-item p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ── FOOTER ── */
footer {
    background: var(--secondary);
    color: #fff;
    padding: 30px 24px;
    text-align: center;
    margin-top: auto;
}
footer p {
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}
footer a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
}
footer a:hover { color: #fff; }
.footer-inner {
    max-width: 1000px;
    margin: 0 auto;
}
.footer-top {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand { max-width: 280px; }
.footer-brand p {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    line-height: 1.6;
}
.footer-col h5 {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.4);
    margin-bottom: 16px;
}
.footer-col a {
    display: block;
    color: rgba(255,255,255,0.7);
    margin-bottom: 10px;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

/* ── ANIMATIONS ── */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes cardReveal {
    to { opacity: 1; transform: translateY(0); }
}
@keyframes scaleIn {
    from { transform: scale(0); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero { padding: 120px 20px 60px; }
    .hero-stats { gap: 28px; }
    .hero-stat strong { font-size: 22px; }
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }
    .tool-card {
    opacity: 1 !important;
    transform: none !important; padding: 18px 14px; }
    .tool-icon { width: 44px; height: 44px; border-radius: 10px; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .footer-top { flex-direction: column; }
}
@media (max-width: 640px) {
    main { padding: 100px 16px 40px; }
    .tool-header h1 { font-size: 26px; }
    .upload-zone { padding: 40px 24px; }
    .form-row { grid-template-columns: 1fr; }
    .result-card { padding: 28px 20px; }
}
@media (max-width: 480px) {
    .tools-grid { grid-template-columns: 1fr 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .hero-stats { flex-direction: column; gap: 16px; }
}

.tools-grid { display: grid !important; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)) !important; gap: 16px !important; }
.tool-card { opacity: 1 !important; transform: translateY(0) !important; }