/* 
================================================================================
   VidSnap Pro — PureGlow UI Design System
   Brand: Pinku's Lab (@PinkusLab)
   File: style.css (Main Stylesheet)
================================================================================
*/

:root {
    /* PrismFlow SaaS Color Palette */
    --bg-primary: #FFFCFA;
    --bg-secondary: #F8F4FF;
    --bg-soft: #FFF7F1;
    --gradient-main: linear-gradient(135deg, #7657FF 0%, #C655FF 44%, #FF8D4D 100%);
    --gradient-accent: linear-gradient(135deg, #7C4DFF 0%, #FF62C7 52%, #FFB14D 100%);
    --gradient-cta: linear-gradient(135deg, #6B45FF 0%, #A44DFF 48%, #FF9A4D 100%);
    --text-primary: #121126;
    --text-secondary: #5F6173;
    --text-white: #FFFFFF;
    --border-light: #ECE7F5;
    --card-shadow: 0 24px 70px rgba(84, 54, 155, 0.12);
    --soft-shadow: 0 12px 34px rgba(39, 31, 87, 0.08);
    --glow-purple: 0 18px 42px rgba(118, 87, 255, 0.22);
    --glow-warm: 0 18px 42px rgba(255, 141, 77, 0.2);
    
    /* Social Platform Colors */
    --color-instagram: #E1306C;
    --gradient-instagram: linear-gradient(45deg, #F9CE34 0%, #EE2A7B 50%, #6228D7 100%);
    --color-facebook: #1877F2;
    --color-twitter: #0F1419;
    --color-kuaishou: #FF6E00;
    --gradient-kuaishou: linear-gradient(135deg, #FF6E00 0%, #FFB600 100%);
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Transitions & Borders */
    --radius-card: 26px;
    --radius-btn: 50px;
    --radius-input: 22px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Performance: keep below-the-fold sections cheap until they approach the viewport. */
.results-section,
.batch-section,
.how-it-works,
.download-guides,
#media-tools,
#features,
.faq-section,
.footer {
    content-visibility: auto;
    contain-intrinsic-size: 1px 720px;
}

.download-guides {
    contain-intrinsic-size: 1px 500px;
}

.faq-section {
    contain-intrinsic-size: 1px 430px;
}

.ad-container {
    content-visibility: auto;
    contain-intrinsic-size: 1px 280px;
}

.hero,
.navbar {
    content-visibility: visible;
}

/* 1. Base Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background:
        linear-gradient(180deg, #FFFCFA 0%, #FBF7FF 46%, #FFF8F0 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
}

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

button {
    font-family: var(--font-body);
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
    transition: var(--transition-smooth);
}

input {
    font-family: var(--font-body);
    outline: none;
    border: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 2. Header & Sticky Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 70px;
    background: rgba(255, 252, 250, 0.84);
    backdrop-filter: blur(24px) saturate(1.25);
    -webkit-backdrop-filter: blur(24px) saturate(1.25);
    border-bottom: 1px solid rgba(118, 87, 255, 0.1);
    display: flex;
    align-items: center;
    transition: var(--transition-smooth);
    box-shadow: 0 12px 42px rgba(84, 54, 155, 0.08);
}

.navbar.scrolled {
    background: rgba(255, 252, 250, 0.94);
    box-shadow: 0 16px 46px rgba(84, 54, 155, 0.12);
    height: 60px;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.brand {
    display: flex;
    flex-direction: column;
    padding: 8px 12px;
    border-radius: 18px;
    transition: var(--transition-smooth);
}

.brand:hover {
    background: rgba(118, 87, 255, 0.07);
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.52rem;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 4px;
}

.logo-icon {
    width: 24px;
    height: 24px;
    fill: url(#main-grad);
}

.brand-subtitle {
    font-size: 0.65rem;
    color: #7A728E;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-top: -2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(236, 231, 245, 0.95);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.95), 0 12px 32px rgba(84, 54, 155, 0.07);
}

.nav-item {
    font-size: 0.95rem;
    font-weight: 700;
    color: #4B5563;
    position: relative;
    padding: 10px 15px;
    border-radius: 999px;
    transition: var(--transition-smooth);
}

.nav-item::after {
    display: none;
}

.nav-item:hover {
    color: #111827;
    background: linear-gradient(135deg, rgba(118, 87, 255, 0.12), rgba(255, 141, 77, 0.1));
    transform: translateY(-1px);
}

/* 3. Hero Section */
.hero {
    position: relative;
    padding: 58px 0 52px;
    background:
        linear-gradient(115deg, rgba(255, 252, 250, 0.96) 0%, rgba(249, 244, 255, 0.94) 52%, rgba(255, 248, 240, 0.96) 100%);
    overflow: hidden;
    text-align: center;
}

/* Dynamic Radial Mesh Background Blobs */
.hero::before {
    content: '';
    position: absolute;
    top: 3%;
    left: 52%;
    width: 520px;
    height: 520px;
    background:
        radial-gradient(circle at 45% 40%, rgba(255, 141, 77, 0.58) 0 12%, rgba(198, 85, 255, 0.52) 30%, rgba(118, 87, 255, 0.2) 45%, rgba(118, 87, 255, 0) 70%);
    filter: blur(2px);
    z-index: 0;
    pointer-events: none;
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 2%;
    right: -4%;
    width: 760px;
    height: 300px;
    background:
        linear-gradient(135deg, rgba(118, 87, 255, 0) 0%, rgba(118, 87, 255, 0.18) 28%, rgba(198, 85, 255, 0.2) 54%, rgba(255, 141, 77, 0.18) 100%);
    transform: rotate(-8deg) skewX(-18deg);
    filter: blur(16px);
    z-index: 0;
    pointer-events: none;
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1180px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2.6rem, 6vw, 4.9rem);
    line-height: 1.04;
    margin-bottom: 18px;
    letter-spacing: 0;
    max-width: 820px;
    margin-left: auto;
    margin-right: auto;
}

.hero h1 span {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtext {
    font-size: 1.08rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 34px;
}

/* 4. Paste Box Component */
.paste-box-container {
    background: rgba(255, 255, 255, 0.92);
    border-radius: 999px;
    padding: 8px;
    border: 1px solid rgba(236, 231, 245, 0.95);
    box-shadow: 0 18px 54px rgba(84, 54, 155, 0.13);
    display: flex;
    align-items: center;
    position: relative;
    transition: var(--transition-smooth);
    max-width: 760px;
    margin: 0 auto 24px;
}

.paste-box-container:focus-within {
    border-color: rgba(118, 87, 255, 0.5);
    box-shadow: 0 20px 60px rgba(118, 87, 255, 0.18), 0 0 0 5px rgba(255, 141, 77, 0.08);
}

.input-icon-wrapper {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
    margin-left: 8px;
}

.input-icon-wrapper svg {
    width: 26px;
    height: 26px;
    fill: currentColor;
}

.paste-input {
    flex: 1;
    height: 54px;
    padding: 0 16px;
    font-size: 1.05rem;
    color: var(--text-primary);
    font-weight: 500;
    background: transparent;
}

.paste-input::placeholder {
    color: #9CA3AF;
}

.btn-download-wrapper {
    position: relative;
}

.btn-download {
    background: var(--gradient-cta);
    color: var(--text-white);
    font-weight: 800;
    font-size: 1.05rem;
    padding: 0 32px;
    height: 54px;
    border-radius: var(--radius-btn);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 16px 36px rgba(118, 87, 255, 0.26), 0 10px 22px rgba(255, 141, 77, 0.16);
    white-space: nowrap;
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 44px rgba(118, 87, 255, 0.32), 0 12px 28px rgba(255, 141, 77, 0.22);
}

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

.hero-trust-strip {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    max-width: 760px;
    margin: 0 auto 18px;
}

.hero-trust-strip span {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 6px 11px;
    border: 1px solid rgba(108, 99, 255, 0.18);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    color: var(--text-secondary);
    font-size: 0.84rem;
    font-weight: 600;
    line-height: 1.2;
    box-shadow: 0 6px 18px rgba(26, 26, 46, 0.04);
}

/* Paste box dynamic active states (platform-specific glowing) */
.paste-box-container.instagram {
    border-color: var(--color-instagram);
    box-shadow: 0 0 30px rgba(225, 48, 108, 0.15);
}
.paste-box-container.instagram .input-icon-wrapper {
    color: var(--color-instagram);
}

.paste-box-container.facebook {
    border-color: var(--color-facebook);
    box-shadow: 0 0 30px rgba(24, 119, 242, 0.15);
}
.paste-box-container.facebook .input-icon-wrapper {
    color: var(--color-facebook);
}

.paste-box-container.twitter {
    border-color: var(--color-twitter);
    box-shadow: 0 0 30px rgba(15, 20, 25, 0.15);
}
.paste-box-container.twitter .input-icon-wrapper {
    color: var(--color-twitter);
}

.paste-box-container.kuaishou {
    border-color: var(--color-kuaishou);
    box-shadow: 0 0 30px rgba(255, 110, 0, 0.15);
}
.paste-box-container.kuaishou .input-icon-wrapper {
    color: var(--color-kuaishou);
}

/* Platform pill badges under input */
.platform-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    max-width: 600px;
    margin: 0 auto;
}

.platform-pill {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-btn);
    padding: 6px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-smooth);
}

.platform-pill svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.platform-pill:hover {
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.02);
}

/* 5. Advertisement Layout Styling */
.ad-container {
    margin: 40px auto;
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 10;
}

.ad-label {
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
    font-weight: 500;
}

.ad-unit {
    background-color: var(--bg-secondary);
    border: 1px dashed var(--border-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9CA3AF;
    font-size: 0.85rem;
    font-weight: 500;
    overflow: hidden;
}

/* 728x90 Banner */
.ad-728x90 {
    width: 728px;
    height: 90px;
    max-width: 100%;
}

/* 300x250 Square ad unit */
.ad-300x250 {
    width: 300px;
    height: 250px;
}

/* 6. Results Section (Dynamic) */
.results-section {
    padding: 20px 0 60px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.results-section.hidden {
    display: none;
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

/* Glassmorphism Results Card */
.result-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(229, 231, 235, 0.8);
    border-radius: var(--radius-card);
    padding: 24px;
    box-shadow: var(--card-shadow);
    display: flex;
    gap: 24px;
}

.result-thumbnail-wrapper {
    flex: 0 0 280px;
    height: 160px;
    border-radius: 12px;
    overflow: hidden;
    background-color: #E5E7EB;
    position: relative;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.result-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.result-thumbnail-wrapper:hover .result-thumbnail {
    transform: scale(1.05);
}

.duration-badge {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(26, 26, 46, 0.85);
    color: var(--text-white);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.duration-badge svg {
    width: 12px;
    height: 12px;
    fill: currentColor;
}

.result-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.result-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.platform-badge {
    align-self: flex-start;
    padding: 4px 12px;
    border-radius: var(--radius-btn);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-white);
}

.platform-badge.instagram { background: var(--gradient-instagram); }
.platform-badge.facebook { background: var(--color-facebook); }
.platform-badge.twitter { background: var(--color-twitter); }
.platform-badge.kuaishou { background: var(--gradient-kuaishou); }
.platform-badge.generic { background: var(--text-secondary); }

.video-title {
    font-size: 1.2rem;
    line-height: 1.4;
    font-weight: 700;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-author {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Quality Selection Grid */
.format-selection-container {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

.format-selection-container h3 {
    font-size: 1.15rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.preview-player-shell {
    width: 100%;
    max-height: min(76vh, 760px);
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
    box-shadow: var(--card-shadow);
    position: relative;
    aspect-ratio: 16 / 9;
}

.preview-player-shell.is-portrait,
.preview-player-shell-instagram {
    width: min(100%, 430px);
    aspect-ratio: 9 / 16;
}

.preview-player-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    background: #000;
    object-fit: contain;
}

.preview-player-video:fullscreen {
    width: 100vw;
    height: 100vh;
    object-fit: contain;
    background: #000;
}

.formats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.format-btn {
    background-color: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: 12px;
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.format-btn .format-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}

.format-btn.active {
    background-color: #FFFFFF;
    border-color: #7657FF;
    color: #7657FF;
    box-shadow: 0 4px 15px rgba(118, 87, 255, 0.12);
}

.format-btn.active .format-name {
    color: #7657FF;
}

.format-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.format-btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    margin-bottom: 2px;
}

/* Action Button Wrapper */
.download-action-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-final-download {
    background: var(--gradient-cta);
    color: var(--text-white);
    font-weight: 700;
    font-size: 1.1rem;
    width: 100%;
    height: 56px;
    border-radius: var(--radius-btn);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 20px rgba(0, 114, 255, 0.3);
}

.btn-final-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 114, 255, 0.4);
}

.btn-final-download svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.result-tip {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
}

/* Results section layout with side ads */
.results-ads-wrapper {
    display: flex;
    gap: 32px;
    max-width: 1300px;
    margin: 0 auto;
    align-items: flex-start;
}

.results-ads-side {
    flex: 0 0 300px;
}

.results-content-center {
    flex: 1;
}

/* 7. How It Works Section */
.how-it-works {
    padding: 58px 0;
    text-align: center;
    background: linear-gradient(180deg, rgba(255, 252, 250, 0.75), rgba(248, 244, 255, 0.88));
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 8px;
    letter-spacing: 0;
    line-height: 1.12;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 28px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.step-card {
    background: rgba(255, 255, 255, 0.82);
    border-radius: var(--radius-card);
    padding: 34px 30px;
    box-shadow: var(--soft-shadow);
    border: 1px solid rgba(236, 231, 245, 0.95);
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto;
    height: 4px;
    background: var(--gradient-cta);
}

.step-card:nth-child(2)::before {
    background: linear-gradient(135deg, #C655FF, #FF8D4D);
}

.step-card:nth-child(3)::before {
    background: linear-gradient(135deg, #FF62C7, #FFB14D);
}

.step-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--card-shadow);
}

.step-icon-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(118, 87, 255, 0.14), rgba(255, 141, 77, 0.14));
    color: #7657FF;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 1.5rem;
    transition: var(--transition-smooth);
}

.step-card:nth-child(2) .step-icon-circle {
    color: #C655FF;
}

.step-card:nth-child(3) .step-icon-circle {
    color: #FF62C7;
}

.step-card:hover .step-icon-circle {
    transform: scale(1.1);
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.step-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 8. Tabbed Platform Download Guides Section */
.download-guides {
    padding: 58px 0;
    background:
        linear-gradient(135deg, rgba(248, 244, 255, 0.95), rgba(255, 247, 241, 0.95));
    border-top: 1px solid rgba(236, 231, 245, 0.8);
    border-bottom: 1px solid rgba(236, 231, 245, 0.8);
}

.download-guides .section-subtitle {
    margin-bottom: 24px;
}

.tabs-container {
    max-width: 980px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(236, 231, 245, 0.95);
    border-radius: 26px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.tabs-nav {
    display: flex;
    gap: 8px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.72);
    border-bottom: 1px solid rgba(236, 231, 245, 0.9);
}

.tab-nav-btn {
    flex: 1;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    font-weight: 700;
    font-size: 0.9rem;
    color: #374151;
    background: transparent;
    transition: var(--transition-smooth);
    border-radius: 999px;
    border: 1px solid transparent;
}

.tab-nav-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.tab-nav-btn:hover {
    color: var(--text-primary);
}

/* Active tab-nav styling per platform */
.tab-nav-btn.active[data-tab="instagram"] {
    background: rgba(255, 255, 255, 0.98);
    color: #C2185B;
    border-color: rgba(238, 42, 123, 0.24);
}

.tab-nav-btn.active[data-tab="facebook"] {
    background: var(--bg-primary);
    color: var(--color-facebook);
    border-color: rgba(24, 119, 242, 0.24);
}

.tab-nav-btn.active[data-tab="twitter"] {
    background: var(--bg-primary);
    color: var(--color-twitter);
    border-color: rgba(15, 20, 25, 0.18);
}

.tabs-content {
    padding: 24px;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tab-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0;
}

.tab-header svg {
    width: 24px;
    height: 24px;
}

.tab-header h3 {
    font-size: 1.18rem;
    line-height: 1.25;
}

.tab-body {
    display: contents;
}

.tab-body p {
    grid-column: 1;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
    line-height: 1.55;
}

.tab-specs-grid {
    grid-column: 2;
    grid-row: 1 / span 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    background: var(--bg-secondary);
    padding: 14px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
}

.tab-spec-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.spec-label {
    font-size: 0.72rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.spec-value {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* 9. Features Section */
.features-section {
    padding: 58px 0;
    background: rgba(255, 252, 250, 0.75);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1140px;
    margin: 0 auto;
}

.feature-card {
    display: flex;
    gap: 20px;
    background: rgba(255, 255, 255, 0.86);
    border-radius: var(--radius-card);
    padding: 24px;
    border: 1px solid rgba(236, 231, 245, 0.95);
    box-shadow: var(--soft-shadow);
    transition: var(--transition-smooth);
}

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

.feature-icon-wrapper {
    flex: 0 0 52px;
    height: 52px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(118, 87, 255, 0.14), rgba(255, 141, 77, 0.14));
    color: #7657FF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.feature-info h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.feature-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 10. Accordion FAQ Section */
.faq-section {
    padding: 58px 0;
    background: linear-gradient(180deg, rgba(248, 244, 255, 0.95), rgba(255, 248, 240, 0.9));
    border-top: 1px solid rgba(236, 231, 245, 0.8);
    border-bottom: 1px solid rgba(236, 231, 245, 0.8);
}

.faq-section .section-subtitle {
    margin-bottom: 24px;
}

.faq-accordion-container {
    max-width: 980px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(236, 231, 245, 0.95);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 8px 22px rgba(26, 26, 46, 0.035);
    transition: var(--transition-smooth);
}

.faq-question-btn {
    width: 100%;
    min-height: 54px;
    padding: 13px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    gap: 16px;
    background: transparent;
}

.faq-question-btn h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.faq-item:hover .faq-question-btn h3 {
    color: #7657FF;
}

.faq-icon-arrow {
    flex: 0 0 18px;
    width: 18px;
    height: 18px;
    fill: var(--text-secondary);
    transition: var(--transition-smooth);
}

.faq-answer-wrapper {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-content {
    padding: 0 16px 15px 16px;
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.48;
}

.faq-item.active {
    box-shadow: 0 14px 34px rgba(118, 87, 255, 0.1);
    border-color: rgba(118, 87, 255, 0.35);
}

.faq-item.active .faq-icon-arrow {
    transform: rotate(180deg);
    fill: #7657FF;
}

.faq-item.active .faq-question-btn h3 {
    color: #7657FF;
}

/* 11. Toast Notifications */
.toast-container {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 400px;
    padding: 0 16px;
    pointer-events: none;
}

.toast {
    background-color: var(--bg-primary);
    border-left: 4px solid var(--text-secondary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
    pointer-events: auto;
    opacity: 0;
    transform: translateY(-20px);
    transition: var(--transition-smooth);
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.toast.success { border-left-color: #10B981; }
.toast.success .toast-icon { fill: #10B981; }

.toast.error { border-left-color: #EF4444; }
.toast.error .toast-icon { fill: #EF4444; }

.toast.warning { border-left-color: #F59E0B; }
.toast.warning .toast-icon { fill: #F59E0B; }

/* 12. Footer Section */
.footer {
    background:
        linear-gradient(180deg, rgba(255, 252, 250, 0.96), rgba(248, 244, 255, 0.98));
    color: var(--text-secondary);
    padding: 48px 0 32px;
    border-top: 1px solid rgba(236, 231, 245, 0.95);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(236, 231, 245, 0.95);
    padding-bottom: 24px;
    margin-bottom: 28px;
}

.footer-logo-link {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.6rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.footer-logo-text span {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-brand-subtitle {
    font-size: 0.75rem;
    color: #7A728E;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-top: 2px;
}

.social-links {
    display: flex;
    align-items: center;
    gap: 16px;
}

.social-icon-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.78);
    color: #7657FF;
    border: 1px solid rgba(236, 231, 245, 0.95);
    box-shadow: var(--soft-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.social-icon-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.social-icon-btn:hover {
    background: var(--gradient-cta);
    color: var(--text-white);
    transform: translateY(-2px);
}

.footer-middle {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-col-title {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-list a {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.footer-links-list a:hover {
    color: #7657FF;
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(236, 231, 245, 0.95);
    padding-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-align: center;
    font-size: 0.8rem;
    color: #7A728E;
}

.footer-bottom-copyright {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.footer-disclaimer {
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 13. Mobile Sticky Bottom Ad placement (#10) */
.mobile-sticky-ad-wrapper {
    display: none;
}

/* Responsive Overrides */
@media (max-width: 1024px) {
    .results-ads-wrapper {
        flex-direction: column;
        align-items: center;
    }
    .results-ads-side {
        display: none; /* Hide side ads on tablets and mobiles, we rely on vertical ones */
    }
    .formats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    /* Base Settings */
    html {
        font-size: 15px;
    }
    
    /* Header and Nav */
    .nav-links {
        display: none; /* Mobile hides nav items, standard for mobile downloader landing pages */
    }
    
    /* Hero */
    .hero {
        padding: 50px 0 40px;
    }
    .hero h1 {
        font-size: 2.2rem;
    }
    .hero-subtext {
        font-size: 1rem;
        margin-bottom: 28px;
    }
    .hero-trust-strip {
        gap: 6px;
        margin-bottom: 18px;
    }
    .hero-trust-strip span {
        min-height: 28px;
        padding: 5px 9px;
        font-size: 0.78rem;
    }
    
    /* Paste box on mobile */
    .paste-box-container {
        flex-direction: column;
        padding: 8px;
        background-color: var(--bg-primary);
        gap: 8px;
    }
    .input-icon-wrapper {
        display: none; /* Hide icon inside text field on mobile to save space */
    }
    .paste-input {
        width: 100%;
        height: 48px;
        padding: 0 8px;
        text-align: center;
    }
    .btn-download-wrapper {
        width: 100%;
    }
    .btn-download {
        width: 100%;
        justify-content: center;
        height: 48px;
    }
    
    /* Dynamic Results */
    .result-card {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
    }
    .result-thumbnail-wrapper {
        flex: auto;
        width: 100%;
        height: 180px;
    }
    .formats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Grids & Columns */
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .step-card {
        padding: 32px 24px;
    }
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .footer-middle {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    /* Guides Tabs */
    .download-guides,
    .faq-section {
        padding: 44px 0;
    }
    .tabs-nav {
        flex-wrap: wrap;
    }
    .tab-nav-btn {
        flex: 1 1 calc(50% - 8px);
        height: 42px;
        font-size: 0.85rem;
    }
    .tabs-content {
        padding: 18px;
    }
    .tab-panel.active {
        display: block;
    }
    .tab-body {
        display: block;
    }
    .tab-header {
        margin-bottom: 10px;
    }
    .tab-body p {
        margin-bottom: 14px;
    }
    .tab-specs-grid {
        grid-template-columns: 1fr;
    }
    
    /* FAQ spacing */
    .faq-accordion-container {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .faq-question-btn {
        min-height: 50px;
        padding: 12px 14px;
    }
    .faq-answer-content {
        padding: 0 14px 14px 14px;
    }
    
    /* Mobile Sticky Bottom Ad Unit (#10) */
    .mobile-sticky-ad-wrapper {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        z-index: 2000;
        background-color: var(--bg-primary);
        box-shadow: 0 -4px 15px rgba(0,0,0,0.1);
        border-top: 1px solid var(--border-light);
        padding: 4px 8px 4px;
        transform: translateY(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .mobile-sticky-ad-wrapper.active {
        transform: translateY(0);
    }
    
    .mobile-sticky-ad-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        position: relative;
    }
    
    .mobile-sticky-ad-close {
        position: absolute;
        top: -12px;
        right: 8px;
        background-color: var(--bg-primary);
        border: 1px solid var(--border-light);
        color: var(--text-secondary);
        width: 24px;
        height: 24px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 700;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        cursor: pointer;
    }
}

/* PrismFlow final visual layer: keeps older inline-heavy pages aligned with the premium theme. */
.hero-card-container {
    position: relative;
    max-width: 980px;
    margin: 0 auto;
    padding: clamp(34px, 5vw, 62px) clamp(18px, 5vw, 58px);
    border-radius: 34px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.78), rgba(255, 247, 241, 0.64)),
        radial-gradient(circle at 78% 8%, rgba(255, 141, 77, 0.24), transparent 34%),
        radial-gradient(circle at 22% 18%, rgba(118, 87, 255, 0.14), transparent 32%);
    border: 1px solid rgba(236, 231, 245, 0.95);
    box-shadow: 0 34px 90px rgba(84, 54, 155, 0.14);
    overflow: hidden;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.hero-card-container::before {
    content: 'AI-Powered. Permission-First.';
    display: inline-flex;
    margin-bottom: 18px;
    padding: 7px 13px;
    border-radius: 999px;
    color: #7657FF;
    background: rgba(118, 87, 255, 0.08);
    border: 1px solid rgba(118, 87, 255, 0.14);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.hero-card-container::after {
    content: '';
    position: absolute;
    width: 260px;
    height: 260px;
    right: -70px;
    top: -80px;
    border-radius: 50%;
    background:
        radial-gradient(circle at 42% 38%, rgba(255, 177, 77, 0.75), rgba(255, 98, 199, 0.58) 42%, rgba(118, 87, 255, 0.42) 68%, transparent 70%);
    opacity: 0.58;
    pointer-events: none;
}

.mode-toggle-btn,
.btn-batch-cta,
.btn-final-download,
.btn-submit,
.mobile-nav-cta,
.nav-cta-btn {
    border-radius: 999px !important;
}

.mode-toggle-btn.active,
.btn-batch-cta.primary,
.btn-final-download {
    background: var(--gradient-cta) !important;
    color: var(--text-white) !important;
    box-shadow: var(--glow-purple) !important;
}

.mode-toggle-btn,
.btn-batch-cta.secondary,
.secondary-btn {
    background: rgba(255, 255, 255, 0.74) !important;
    border: 1px solid rgba(236, 231, 245, 0.95) !important;
    color: var(--text-primary) !important;
    box-shadow: var(--soft-shadow);
}

.trust-badge,
.platform-pill {
    background: rgba(255, 255, 255, 0.82) !important;
    border: 1px solid rgba(236, 231, 245, 0.95) !important;
    border-radius: 999px !important;
    box-shadow: 0 12px 30px rgba(84, 54, 155, 0.07);
}

.input-warning-text {
    color: #7A728E !important;
}

.input-warning-text a {
    color: #C655FF !important;
}

.results-section,
.batch-section {
    background: linear-gradient(180deg, rgba(255, 252, 250, 0.76), rgba(248, 244, 255, 0.8));
}

.result-card,
.preview-card,
.format-card,
.download-ready-card,
.batch-card,
.batch-queue-container,
.batch-action-bar,
.estimator-card,
.tool-card,
.guide-card,
.article-card,
.summary-box,
.toc-card,
.brand-hero-card,
.legal-sidebar .toc-card,
.estimator-table-wrapper {
    background: rgba(255, 255, 255, 0.86) !important;
    border: 1px solid rgba(236, 231, 245, 0.95) !important;
    border-radius: 24px !important;
    box-shadow: var(--soft-shadow) !important;
}

.batch-action-bar {
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.estimator-table,
.content-card table {
    border-collapse: separate;
    border-spacing: 0;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: var(--soft-shadow);
}

.estimator-table th,
.estimator-table td,
.content-card th,
.content-card td {
    border-color: rgba(236, 231, 245, 0.95) !important;
}

.content-card section,
.content-card .legal-content > div,
.content-card .article-grid > *,
.content-card .features-grid > *,
.content-card .steps-grid > * {
    border-radius: 22px;
}

@media (max-width: 768px) {
    .hero-card-container {
        border-radius: 26px;
        padding: 30px 16px;
    }

    .paste-box-container {
        border-radius: 24px;
    }

    .hero-card-container::after {
        width: 180px;
        height: 180px;
        right: -72px;
        top: -58px;
    }
}

/* ============================================================================
   Batch Downloader & ZIP Integration Styles
============================================================================ */

/* Segment Downloader Mode Switcher Tabs */
.downloader-mode-toggle {
    display: inline-flex;
    background: rgba(118, 87, 255, 0.09);
    border: 1px solid rgba(118, 87, 255, 0.14);
    border-radius: 30px;
    padding: 4px;
    margin-bottom: 24px;
    position: relative;
    z-index: 10;
    backdrop-filter: blur(8px);
}

.mode-toggle-btn {
    padding: 8px 24px;
    border-radius: 24px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.mode-toggle-btn:hover {
    color: var(--text-primary);
}

.mode-toggle-btn.active {
    background: var(--gradient-main);
    color: var(--text-white);
    box-shadow: 0 4px 15px rgba(118, 87, 255, 0.26);
}

/* Textarea Layout Adaptations */
.paste-textarea {
    flex: 1;
    height: 120px;
    padding: 10px 16px;
    font-size: 1.02rem;
    color: var(--text-primary);
    font-weight: 500;
    background: transparent;
    border: none;
    outline: none;
    resize: none;
    font-family: var(--font-body);
    line-height: 1.6;
}

.paste-textarea::placeholder {
    color: #9CA3AF;
}

.paste-box-container.batch-active {
    align-items: flex-start;
}

.paste-box-container.batch-active .input-icon-wrapper {
    margin-top: 14px;
}

.paste-box-container.batch-active .btn-download-wrapper {
    margin-top: 12px;
    align-self: flex-end;
    margin-bottom: 4px;
}

.hidden {
    display: none !important;
}

/* Batch Section Queue List */
.batch-section {
    padding: 60px 0 80px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.batch-header {
    text-align: center;
    margin-bottom: 40px;
}

.batch-queue-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

/* Batch Video Card Styling */
.batch-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.batch-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(118, 87, 255, 0.10);
    border-color: rgba(118, 87, 255, 0.22);
}

/* Left Checkbox and Index badge */
.batch-card-checkbox-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
}

.batch-card-checkbox {
    width: 20px;
    height: 20px;
    accent-color: #7657FF;
    cursor: pointer;
}

/* Thumbnail and Duration badge */
.batch-card-thumb-wrapper {
    position: relative;
    width: 110px;
    height: 70px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    background: #EAEAEA;
}

.batch-card-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.batch-card-duration {
    position: absolute;
    bottom: 6px;
    right: 6px;
    background: rgba(0, 0, 0, 0.75);
    color: #FFF;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 3px;
}

.batch-card-duration svg {
    width: 10px;
    height: 10px;
}

/* Middle metadata */
.batch-card-info {
    flex: 1;
    min-width: 0;
}

.batch-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.batch-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
}

.batch-card-author {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Right Controls (Quality Selector and download/delete) */
.batch-card-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.batch-quality-select {
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid var(--border-light);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.batch-quality-select:focus {
    border-color: #7657FF;
}

.batch-card-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.batch-card-btn:hover {
    background: #F8F4FF;
    color: var(--text-primary);
}

.batch-card-btn.download-single:hover {
    color: #C655FF;
    border-color: #C655FF;
    background: rgba(255, 141, 77, 0.08);
}

.batch-card-btn.delete-single:hover {
    color: #EF4444;
    border-color: #EF4444;
    background: rgba(239, 68, 68, 0.05);
}

.batch-card-btn svg {
    width: 18px;
    height: 18px;
}

/* Status Indicator */
.batch-card-status {
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    text-transform: capitalize;
}

.batch-card-status.queued {
    background: rgba(118, 87, 255, 0.12);
    color: #7657FF;
}

.batch-card-status.fetching {
    background: rgba(0, 114, 255, 0.1);
    color: #A44DFF;
}

.batch-card-status.ready {
    background: rgba(16, 185, 129, 0.1);
    color: #10B981;
}

.batch-card-status.downloading {
    background: rgba(245, 158, 11, 0.1);
    color: #F59E0B;
}

.batch-card-status.completed {
    background: rgba(16, 185, 129, 0.15);
    color: #10B981;
}

.batch-card-status.failed {
    background: rgba(239, 68, 68, 0.1);
    color: #EF4444;
}

/* Progress bar inside cards */
.batch-card-progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--gradient-main);
    transition: width 0.2s ease;
}

/* Sticky Action Bar at Viewport Bottom */
.batch-action-bar {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 900px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 20px 50px rgba(118, 87, 255, 0.16);
    border-radius: 24px;
    z-index: 1001;
    padding: 16px 28px;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
}

.batch-action-bar.hidden {
    display: none !important;
}

.batch-action-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.batch-info-left {
    display: flex;
    align-items: center;
    gap: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.batch-select-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
}

.batch-select-wrapper input {
    width: 18px;
    height: 18px;
    accent-color: #7657FF;
    cursor: pointer;
}

.batch-size-total {
    color: #7657FF;
}

.batch-progress-wrapper {
    flex: 1;
    max-width: 320px;
}

.batch-progress-status-container {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.batch-progress-bar-outer {
    width: 100%;
    height: 6px;
    background: rgba(0, 0, 0, 0.06);
    border-radius: 10px;
    overflow: hidden;
}

.batch-progress-bar-inner {
    height: 100%;
    background: var(--gradient-main);
    border-radius: 10px;
    transition: width 0.3s ease;
}

.batch-buttons-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-batch-cta {
    font-weight: 700;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.btn-batch-cta.primary {
    background: var(--gradient-cta);
    color: var(--text-white);
    box-shadow: 0 4px 15px rgba(0, 114, 255, 0.25);
}

.btn-batch-cta.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 114, 255, 0.35);
}

.btn-batch-cta.secondary {
    background: rgba(118, 87, 255, 0.10);
    color: #7657FF;
    border: 1px solid rgba(118, 87, 255, 0.16);
}

.btn-batch-cta.secondary:hover {
    background: rgba(118, 87, 255, 0.16);
    transform: translateY(-2px);
}

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

.btn-batch-cta:disabled {
    cursor: not-allowed;
    opacity: 0.55;
    transform: none;
    box-shadow: none;
}

.btn-batch-cta:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Media Queries for Batch layout */
@media (max-width: 991px) {
    .batch-action-bar {
        width: calc(100% - 32px);
        padding: 12px 20px;
    }
}

@media (max-width: 768px) {
    .downloader-mode-toggle {
        margin-bottom: 20px;
    }
    
    .paste-box-container.batch-active {
        flex-direction: column;
        align-items: stretch;
    }
    
    .paste-textarea {
        height: 100px;
        width: 100%;
        padding: 8px;
    }
    
    .paste-box-container.batch-active .btn-download-wrapper {
        width: 100%;
        margin-top: 8px;
    }
    
    .batch-card {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding: 16px;
    }
    
    .batch-card-checkbox-wrapper {
        position: absolute;
        top: 16px;
        left: 16px;
        z-index: 10;
        background: #FFF;
        border-radius: 4px;
        padding: 2px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
    
    .batch-card-thumb-wrapper {
        width: 100%;
        height: 160px;
        border-radius: 12px;
    }
    
    .batch-card-controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .batch-action-bar {
        bottom: 12px;
        border-radius: 16px;
    }
    
    .batch-action-content {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }
    
    .batch-info-left {
        justify-content: space-between;
    }
    
    .batch-progress-wrapper {
        max-width: 100%;
    }
    
    .batch-buttons-right {
        width: 100%;
    }
    
    .btn-batch-cta {
        flex: 1;
        justify-content: center;
        padding: 10px 16px;
        font-size: 0.88rem;
    }
}

/* Content Page Layouts & Styles */
.content-page-main {
    padding-top: 48px;
    padding-bottom: 88px;
    background:
        linear-gradient(135deg, rgba(255, 252, 250, 0.96), rgba(248, 244, 255, 0.94) 52%, rgba(255, 247, 241, 0.96));
    min-height: calc(100vh - 70px - 380px);
}

.content-container {
    max-width: 1060px;
    margin: 0 auto;
    padding: 0 24px;
}

.content-card {
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(236, 231, 245, 0.95);
    border-radius: 30px;
    padding: 50px;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.content-card h1 {
    font-size: clamp(2.1rem, 4.5vw, 3.5rem);
    line-height: 1.12;
    margin-bottom: 24px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.content-card h2 {
    font-size: 1.68rem;
    margin-top: 44px;
    margin-bottom: 20px;
    color: var(--text-primary);
    border-left: 5px solid #7657FF;
    padding-left: 16px;
}

.content-card h3 {
    font-size: 1.35rem;
    margin-top: 32px;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.content-card p {
    margin-bottom: 20px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
}

.content-card ul, .content-card ol {
    margin-bottom: 24px;
    padding-left: 28px;
    color: var(--text-secondary);
}

.content-card li {
    margin-bottom: 10px;
    line-height: 1.7;
    font-size: 1.05rem;
}

.content-card a {
    color: #7657FF;
    font-weight: 700;
    transition: var(--transition-smooth);
}

.content-card a:hover {
    color: #C655FF;
    text-decoration: underline;
}

.content-card blockquote {
    background: linear-gradient(135deg, rgba(118, 87, 255, 0.08), rgba(255, 141, 77, 0.07));
    border-left: 4px solid #7657FF;
    padding: 20px 24px;
    border-radius: 0 12px 12px 0;
    margin: 28px 0;
}

.content-card blockquote p {
    margin: 0;
    font-style: italic;
    color: var(--text-primary);
    font-size: 1.08rem;
}

.content-card strong {
    color: var(--text-primary);
}

/* Legal Notice box */
.legal-notice-box {
    background: linear-gradient(135deg, rgba(255, 98, 199, 0.08), rgba(255, 177, 77, 0.08));
    border: 1px solid rgba(255, 141, 77, 0.25);
    border-radius: 20px;
    padding: 24px;
    margin: 32px 0;
}

.legal-notice-box strong {
    color: #C655FF;
}

.legal-notice-box p {
    margin-bottom: 0;
    font-size: 0.98rem;
    color: var(--text-primary);
}

/* Breadcrumbs */
.breadcrumb {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
    display: flex;
    gap: 10px;
    align-items: center;
    font-weight: 500;
}

.breadcrumb a {
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.breadcrumb a:hover {
    color: #7657FF;
}

.breadcrumb-separator {
    color: var(--border-light);
    font-weight: bold;
}

/* Contact form subpage styles */
.contact-form-wrapper {
    margin-top: 36px;
    background: linear-gradient(135deg, rgba(248, 244, 255, 0.95), rgba(255, 247, 241, 0.95));
    padding: 36px;
    border-radius: 24px;
    border: 1px solid rgba(236, 231, 245, 0.95);
    box-shadow: var(--soft-shadow);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.98rem;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid rgba(236, 231, 245, 0.95);
    border-radius: var(--radius-input);
    font-family: var(--font-body);
    font-size: 1rem;
    background-color: rgba(255, 255, 255, 0.92);
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.form-control:focus {
    border-color: #7657FF;
    box-shadow: 0 0 0 4px rgba(118, 87, 255, 0.13);
    outline: none;
}

.btn-submit {
    background: var(--gradient-cta);
    color: var(--text-white);
    font-weight: 700;
    padding: 14px 32px;
    border-radius: var(--radius-btn);
    font-size: 1rem;
    box-shadow: var(--glow-purple);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 99, 255, 0.4);
}

/* Content FAQ blocks */
.content-faq-block {
    margin-top: 48px;
    border-top: 1px solid var(--border-light);
    padding-top: 40px;
}

.content-faq-item {
    margin-bottom: 32px;
}

.content-faq-question {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.content-faq-answer {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* Estimate tool style */
.estimator-table-wrapper {
    overflow-x: auto;
    margin: 28px 0;
    border: 1px solid var(--border-light);
    border-radius: 12px;
}

.estimator-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 1rem;
}

.estimator-table th {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 700;
    padding: 14px 18px;
    border-bottom: 2px solid var(--border-light);
}

.estimator-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
}

.estimator-table tr:last-child td {
    border-bottom: none;
}

@media (max-width: 768px) {
    .content-page-main {
        padding-top: 24px;
        padding-bottom: 48px;
    }
    
    .content-card {
        padding: 28px 20px;
        border-radius: 16px;
    }
    
    .content-card h1 {
        font-size: 1.9rem;
    }
    
    .content-card h2 {
        font-size: 1.4rem;
        margin-top: 32px;
    }
    
    .contact-form-wrapper {
        padding: 24px 16px;
    }
}

/* ==========================================================================
   Antigravity VidSnap Pro Additions (UI/UX, Accessibility, Mobile Accordions)
   ========================================================================== */

/* 1. Input Action Buttons (Paste/Clear) */
.input-action-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px;
    margin-right: 4px;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}
.input-action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}
.input-action-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}
.batch-input-actions-wrapper {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-right: 8px;
    margin-top: 10px;
    flex-shrink: 0;
}

/* 2. Hero Card Design Layout */
.hero-card-container {
    background: rgba(255, 255, 255, 0.84);
    border: 1px solid var(--border-light);
    border-radius: 32px;
    padding: 48px 32px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(25px);
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}
@media (max-width: 768px) {
    .hero-card-container {
        padding: 32px 16px;
        border-radius: 24px;
    }
}

/* 3. Sticky Header styles */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(24px) saturate(1.25);
    -webkit-backdrop-filter: blur(24px) saturate(1.25);
    background: rgba(255, 252, 250, 0.84);
    border-bottom: 1px solid rgba(118, 87, 255, 0.1);
}

/* 4. Hamburger & Mobile Menu Drawer */
.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1100;
    margin-left: auto;
}
.hamburger-line {
    width: 100%;
    height: 2px;
    background-color: #111827;
    transition: var(--transition-smooth);
    border-radius: 2px;
}
.hamburger-btn.active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.hamburger-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}
.hamburger-btn.active .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: rgba(255, 255, 255, 0.97);
    box-shadow: -10px 0 30px rgba(26, 26, 46, 0.14);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    padding: 100px 24px 40px;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(25px);
    border-left: 1px solid rgba(118, 87, 255, 0.14);
}
.mobile-drawer.active {
    right: 0;
}
.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.mobile-nav-item {
    font-size: 1.15rem;
    font-weight: 600;
    color: #111827;
    text-decoration: none;
    transition: var(--transition-smooth);
}
.mobile-nav-item:hover, .mobile-nav-item.active {
    color: #7657FF;
}
.mobile-nav-cta {
    display: inline-block;
    text-align: center;
    background: var(--gradient-cta);
    color: var(--text-white);
    padding: 14px 24px;
    border-radius: 999px;
    font-weight: 800;
    text-decoration: none;
    margin-top: 16px;
    box-shadow: var(--glow-purple);
}
@media (max-width: 992px) {
    .nav-links {
        display: none !important;
    }
    .hamburger-btn {
        display: flex;
    }
}

/* 5. Focus highlights & active states */
.nav-item.active, .mobile-nav-item.active {
    color: #7657FF !important;
    background: linear-gradient(135deg, rgba(118, 87, 255, 0.12), rgba(255, 141, 77, 0.1));
}
.nav-cta-btn {
    background: var(--gradient-cta);
    color: var(--text-white) !important;
    padding: 12px 26px;
    border-radius: 999px;
    font-weight: 800;
    text-decoration: none;
    box-shadow: var(--glow-purple);
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.55);
    position: relative;
    overflow: hidden;
}
.nav-cta-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.42) 45%, transparent 70%);
    transform: translateX(-130%);
    transition: transform 0.6s ease;
}
.nav-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 50px rgba(118, 87, 255, 0.3), 0 12px 28px rgba(255, 141, 77, 0.2);
}
.nav-cta-btn:hover::before {
    transform: translateX(130%);
}
body.user-is-tabbing *:focus {
    outline: 2px solid #7657FF !important;
    outline-offset: 2px;
}

/* 6. Mobile Footer Accordion */
@media (max-width: 768px) {
    .footer-middle {
        display: flex !important;
        flex-direction: column;
        gap: 16px;
    }
    .footer-col {
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        padding-bottom: 12px;
    }
    .footer-col-title {
        margin-bottom: 0 !important;
        padding: 8px 0;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .footer-col-title::after {
        content: '+';
        font-size: 1.2rem;
        color: var(--text-secondary);
        transition: transform 0.3s ease;
    }
    .footer-links-list {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-out, margin-top 0.3s ease;
        margin-top: 0;
        gap: 8px;
    }
    .footer-col.active .footer-col-title::after {
        content: '−';
        transform: rotate(180deg);
    }
    .footer-col.active .footer-links-list {
        max-height: 500px;
        margin-top: 12px;
    }
}

/* 7. Estimator layout tweaks */
.calculator-card input[type="range"] {
    accent-color: #7657FF;
}

/* 8. How it works relative step card badges */
.step-card {
    position: relative;
}
.step-badge {
    position: absolute;
    top: -15px;
    left: -15px;
    background: var(--gradient-cta);
    color: var(--text-white);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 800;
    box-shadow: var(--glow-purple);
    z-index: 3;
}

/* Final PrismFlow lock: this stays last so every page keeps the reference-image style. */
.navbar {
    background: rgba(255, 252, 250, 0.86);
    border-bottom-color: rgba(118, 87, 255, 0.1);
}

.hero-card-container {
    max-width: 980px;
    border-radius: 34px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.8), rgba(255, 247, 241, 0.66)),
        radial-gradient(circle at 82% 8%, rgba(255, 141, 77, 0.24), transparent 34%),
        radial-gradient(circle at 18% 16%, rgba(118, 87, 255, 0.14), transparent 32%);
    border: 1px solid rgba(236, 231, 245, 0.95);
    box-shadow: 0 34px 90px rgba(84, 54, 155, 0.14);
}

.footer,
.content-page-main,
.download-guides,
.faq-section {
    border-color: rgba(236, 231, 245, 0.95);
}

.footer-col {
    border-bottom-color: rgba(236, 231, 245, 0.95) !important;
}

.calculator-card input[type="range"] {
    accent-color: #7657FF;
}

.step-badge,
.btn-download,
.btn-batch-cta.primary,
.mode-toggle-btn.active,
.btn-submit,
.nav-cta-btn,
.mobile-nav-cta {
    background: var(--gradient-cta) !important;
}

.step-card,
.feature-card,
.faq-item,
.tabs-container,
.content-card,
.paste-box-container,
.platform-pill,
.trust-badge {
    border-color: rgba(236, 231, 245, 0.95) !important;
}

.platform-pill:hover,
.format-selection-container,
.result-thumbnail-wrapper,
.mobile-sticky-ad-wrapper,
.mobile-sticky-ad-close,
.batch-card-checkbox-wrapper {
    box-shadow: var(--soft-shadow) !important;
}

.mobile-sticky-ad-wrapper,
.mobile-sticky-ad-close,
.batch-card-checkbox-wrapper {
    background: rgba(255, 255, 255, 0.94) !important;
    border-color: rgba(236, 231, 245, 0.95) !important;
}

.duration-badge {
    background: rgba(18, 17, 38, 0.78) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.batch-card-btn.download-single:hover {
    color: #C655FF !important;
    border-color: #C655FF !important;
    background: rgba(198, 85, 255, 0.08) !important;
}

.batch-card-status.fetching {
    background: rgba(164, 77, 255, 0.12) !important;
    color: #A44DFF !important;
}

/* First-fold polish: keep the premium look while fitting more of the tool above the fold. */
.hero {
    padding: 28px 0 34px !important;
}

.hero-card-container {
    max-width: 930px !important;
    padding: clamp(28px, 4vw, 46px) clamp(18px, 4vw, 46px) !important;
    border-radius: 32px !important;
}

.hero-card-container::before {
    margin-bottom: 14px !important;
    padding: 6px 12px !important;
    font-size: 0.72rem !important;
}

.hero-card-container::after {
    width: 220px !important;
    height: 220px !important;
    right: -58px !important;
    top: -68px !important;
    opacity: 0.52 !important;
}

.hero h1 {
    font-size: clamp(2.25rem, 5vw, 4.05rem) !important;
    line-height: 1.03 !important;
    margin-bottom: 14px !important;
    max-width: 780px !important;
}

.hero-subtext {
    font-size: 1rem !important;
    margin-bottom: 20px !important;
    max-width: 650px !important;
}

.tool-mode-toggle {
    margin-bottom: 16px !important;
}

.paste-box-container {
    max-width: 730px !important;
    margin-bottom: 10px !important;
}

.input-warning-text {
    margin-top: 10px !important;
    margin-bottom: 14px !important;
}

.hero-trust-strip {
    margin-top: 10px !important;
    gap: 8px !important;
}

.platform-badges {
    margin-top: 12px !important;
    gap: 10px !important;
}

@media (max-width: 768px) {
    .hero {
        padding: 28px 0 34px !important;
    }

    .hero-card-container {
        padding: 26px 16px !important;
        border-radius: 26px !important;
    }

    .hero-card-container::after {
        width: 160px !important;
        height: 160px !important;
        right: -68px !important;
        top: -44px !important;
    }

    .hero h1 {
        font-size: clamp(2rem, 11vw, 3rem) !important;
        line-height: 1.08 !important;
    }

    .hero-subtext {
        font-size: 0.98rem !important;
        margin-bottom: 22px !important;
    }
}

/* 9. Horizontal badges overflow scrolling */
@media (max-width: 480px) {
    .platform-badges {
        overflow-x: auto;
        white-space: nowrap;
        justify-content: flex-start !important;
        padding-bottom: 8px;
    }
    .platform-pill {
        flex-shrink: 0;
    }
}