/* ============================================
   PDFMend.in - Premium SaaS Design System
   © Copyright 2026 PDFMend.in. All rights reserved.
   ============================================ */

/* ---- CSS Variables ---- */
:root {
    --primary: #DC2626;
    --primary-dark: #B91C1C;
    --primary-light: #FEE2E2;
    --primary-50: #FEF2F2;
    --primary-100: #FEE2E2;
    --primary-200: #FECACA;
    --primary-500: #EF4444;
    --primary-600: #DC2626;
    --primary-700: #B91C1C;
    --primary-800: #991B1B;
    --primary-900: #7F1D1D;

    --white: #FFFFFF;
    --black: #000000;
    --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;

    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --shadow-glow: 0 0 40px rgba(220,38,38,0.15);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    --container-max: 1280px;
    --header-height: 72px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    outline: none;
    background: none;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.section {
    padding: 80px 0;
}

.section-sm {
    padding: 48px 0;
}

.section-lg {
    padding: 120px 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }
.gap-48 { gap: 48px; }

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    letter-spacing: -0.025em;
}

h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    letter-spacing: -0.02em;
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    letter-spacing: -0.015em;
}

h4 {
    font-size: 1.25rem;
}

p {
    color: var(--gray-600);
    line-height: 1.7;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.badge-primary {
    background: var(--primary-100);
    color: var(--primary-700);
}

.badge-success {
    background: #D1FAE5;
    color: #065F46;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::after {
    opacity: 1;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 1px 3px rgba(220,38,38,0.3), 0 1px 2px rgba(220,38,38,0.2);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 14px rgba(220,38,38,0.4);
    transform: translateY(-1px);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--gray-800);
    border: 1.5px solid var(--gray-200);
    box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
    border-color: var(--gray-300);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.btn-ghost {
    color: var(--gray-600);
    padding: 8px 16px;
}

.btn-ghost:hover {
    color: var(--primary);
    background: var(--primary-50);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.0625rem;
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.8125rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* ---- Header / Navigation ---- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.03em;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.logo-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent 0deg, rgba(255,255,255,0.3) 60deg, transparent 120deg);
    animation: logoShine 3s linear infinite;
}

@keyframes logoShine {
    to { transform: rotate(360deg); }
}

.logo-icon svg {
    width: 20px;
    height: 20px;
    fill: var(--white);
    position: relative;
    z-index: 1;
}

.logo-text {
    display: flex;
    align-items: baseline;
    gap: 0;
}

.logo-text .brand {
    color: var(--gray-900);
}

.logo-text .tld {
    color: var(--primary);
    font-size: 0.75em;
    font-weight: 600;
}

.nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-600);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--gray-900);
    background: var(--gray-50);
}

.nav-link.active {
    color: var(--primary);
    background: var(--primary-50);
}

.nav-cta {
    margin-left: 12px;
}

/* Mobile Menu */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
}

.mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    padding: 24px;
    z-index: 999;
    overflow-y: auto;
}

.mobile-nav.active {
    display: flex;
    flex-direction: column;
    gap: 4px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.mobile-nav .nav-link {
    padding: 14px 16px;
    font-size: 1.0625rem;
    border-radius: var(--radius-md);
}

@media (max-width: 768px) {
    .nav { display: none; }
    .nav-cta { display: none; }
    .mobile-toggle { display: flex; }
}

/* ---- Hero Section ---- */
.hero {
    padding-top: calc(var(--header-height) + 80px);
    padding-bottom: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--primary-100) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 0%, rgba(220,38,38,0.05) 0%, transparent 50%),
        linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    margin-bottom: 24px;
}

.hero h1 {
    margin-bottom: 20px;
}

.hero h1 .highlight {
    color: var(--primary);
    position: relative;
}

.hero h1 .highlight::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    right: 0;
    height: 8px;
    background: var(--primary-200);
    border-radius: 4px;
    z-index: -1;
}

.hero-subtitle {
    font-size: clamp(1.0625rem, 2vw, 1.25rem);
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    margin-top: 64px;
    padding-top: 48px;
    border-top: 1px solid var(--gray-200);
}

.hero-stat {
    text-align: center;
}

.hero-stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.02em;
}

.hero-stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 4px;
}

@media (max-width: 640px) {
    .hero-stats {
        gap: 24px;
    }
    .hero-stat-value {
        font-size: 1.375rem;
    }
}

/* ---- Tool Cards Grid ---- */
.tools-section {
    background: var(--white);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 56px;
}

.section-header h2 {
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1.0625rem;
}

/* Tool Categories Tabs */
.tool-categories {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.category-tab {
    padding: 8px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-500);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    cursor: pointer;
    background: var(--white);
}

.category-tab:hover {
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.category-tab.active {
    color: var(--primary);
    background: var(--primary-50);
    border-color: var(--primary);
}

/* Tool Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.tool-card {
    background: var(--white);
    border: 1.5px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: block;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.tool-card:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.tool-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 1.375rem;
}

.tool-card-icon.convert { background: #EEF2FF; color: #4F46E5; }
.tool-card-icon.edit { background: #FEF3C7; color: #D97706; }
.tool-card-icon.organize { background: #D1FAE5; color: #059669; }
.tool-card-icon.optimize { background: #FCE7F3; color: #DB2777; }
.tool-card-icon.secure { background: #DBEAFE; color: #2563EB; }
.tool-card-icon.extract { background: #E0E7FF; color: #4338CA; }

.tool-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 6px;
}

.tool-card p {
    font-size: 0.8125rem;
    color: var(--gray-500);
    line-height: 1.5;
}

.tool-card-arrow {
    position: absolute;
    top: 28px;
    right: 24px;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    color: var(--gray-400);
}

.tool-card:hover .tool-card-arrow {
    background: var(--primary);
    color: var(--white);
    transform: translateX(2px);
}

/* ---- Features / Trust Section ---- */
.features-section {
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    border: 1px solid var(--gray-100);
    transition: all var(--transition-base);
}

.feature-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-lg);
    background: var(--primary-50);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.9375rem;
}

/* ---- How It Works ---- */
.steps-section {
    background: var(--white);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 16.67%;
    right: 16.67%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-200), var(--primary), var(--primary-200));
    z-index: 0;
}

.step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--white);
    border: 3px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    box-shadow: 0 0 0 8px var(--primary-50);
}

.step h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.step p {
    font-size: 0.9375rem;
    max-width: 280px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .steps-grid::before {
        display: none;
    }
}

/* ---- Testimonials ---- */
.testimonials-section {
    background: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--gray-100);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    color: #FBBF24;
    font-size: 1.125rem;
}

.testimonial-text {
    font-size: 0.9375rem;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--primary);
    font-size: 1rem;
}

.testimonial-name {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--gray-900);
}

.testimonial-role {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

/* ---- FAQ Section ---- */
.faq-section {
    background: var(--white);
}

.faq-list {
    max-width: 768px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--gray-100);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 24px 0;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--gray-900);
    text-align: left;
    transition: color var(--transition-fast);
    cursor: pointer;
    background: none;
    border: none;
}

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

.faq-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    transition: transform var(--transition-base);
    color: var(--gray-400);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-answer-inner {
    padding-bottom: 24px;
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.7;
}

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

/* ---- CTA Section ---- */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-800) 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 40%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 16px;
}

.cta-section p {
    color: rgba(255,255,255,0.85);
    font-size: 1.125rem;
    max-width: 500px;
    margin: 0 auto 32px;
}

.btn-white {
    background: var(--white);
    color: var(--primary);
    font-weight: 700;
    box-shadow: var(--shadow-lg);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* ---- Footer ---- */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-top: 16px;
    color: var(--gray-400);
}

.footer h5 {
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    font-size: 0.8125rem;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

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

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ---- Ad Containers ---- */
.ad-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 0;
    min-height: 60px;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
}

.ad-banner-inline {
    margin: 32px 0;
    text-align: center;
}

/* ---- Cookie Consent ---- */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--gray-900);
    color: var(--white);
    padding: 20px 24px;
    z-index: 10000;
    transform: translateY(100%);
    transition: transform var(--transition-slow);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.cookie-text {
    font-size: 0.875rem;
    color: var(--gray-300);
    flex: 1;
}

.cookie-text a {
    color: var(--primary-200);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: 12px;
}

/* ---- Upload Zone ---- */
.upload-zone {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-xl);
    padding: 64px 32px;
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    background: var(--gray-50);
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--primary);
    background: var(--primary-50);
    box-shadow: var(--shadow-glow);
}

.upload-zone-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--primary-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 2rem;
    transition: transform var(--transition-base);
}

.upload-zone:hover .upload-zone-icon {
    transform: scale(1.1);
}

.upload-zone h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.upload-zone p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

/* Progress Bar */
.progress-container {
    display: none;
    margin-top: 24px;
}

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

.progress-bar-wrap {
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-500));
    border-radius: var(--radius-full);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.8125rem;
    color: var(--gray-500);
    text-align: center;
}

/* ---- Recent/Popular Tools Strip ---- */
.recent-tools {
    background: var(--gray-50);
    padding: 20px 0;
    border-bottom: 1px solid var(--gray-100);
}

.recent-tools-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.recent-tools-inner::-webkit-scrollbar {
    display: none;
}

.recent-tools-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.recent-tool-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-700);
    white-space: nowrap;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.recent-tool-chip:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-50);
}

/* ---- Loading Spinner ---- */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.processing-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(8px);
    z-index: 9999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

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

.processing-overlay h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
}

.processing-overlay p {
    font-size: 0.9375rem;
    color: var(--gray-500);
}

/* ---- Download Section ---- */
.download-section {
    display: none;
    text-align: center;
    padding: 48px;
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    border: 2px solid var(--success);
}

.download-section.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.download-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: #D1FAE5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--success);
    font-size: 2rem;
}

.download-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.auto-delete-notice {
    margin-top: 16px;
    font-size: 0.75rem;
    color: var(--gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

/* ---- Blog Cards ---- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.blog-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    text-decoration: none;
    display: block;
}

.blog-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.blog-card-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-100) 0%, var(--primary-50) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 3rem;
}

.blog-card-body {
    padding: 24px;
}

.blog-card-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.blog-card h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.blog-card p {
    font-size: 0.875rem;
    color: var(--gray-500);
    line-height: 1.6;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-100);
    font-size: 0.8125rem;
    color: var(--gray-400);
}

/* ---- Page Header (inner pages) ---- */
.page-header {
    padding-top: calc(var(--header-height) + 48px);
    padding-bottom: 48px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-100);
    text-align: center;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--gray-400);
    margin-bottom: 16px;
}

.breadcrumbs a:hover {
    color: var(--primary);
}

.breadcrumbs .separator {
    color: var(--gray-300);
}

/* ---- Responsive Fine-tune ---- */
@media (max-width: 1024px) {
    .section { padding: 64px 0; }
    .section-lg { padding: 80px 0; }
}

@media (max-width: 768px) {
    .section { padding: 48px 0; }
    .hero {
        padding-top: calc(var(--header-height) + 48px);
        padding-bottom: 48px;
    }
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 12px;
    }
    .tool-card {
        padding: 20px 16px;
    }
    .features-grid {
        gap: 16px;
    }
    .upload-zone {
        padding: 40px 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    .tools-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .tool-card {
        padding: 16px 12px;
    }
    .tool-card-arrow {
        display: none;
    }
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

/* ---- Scrollbar Styling ---- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ---- Selection ---- */
::selection {
    background: var(--primary-200);
    color: var(--primary-900);
}

/* ---- Print ---- */
@media print {
    .header, .footer, .cookie-banner, .ad-banner { display: none !important; }
}