/* ===========================
   Reset & Base
=========================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: #202124;
    background: #fff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ===========================
   Topbar
=========================== */
.topbar {
    background: linear-gradient(90deg, #4285F4, #34A853);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 9px 20px;
    font-size: 13px;
    font-weight: 500;
}
.topbar a {
    color: #fff;
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 2px;
    white-space: nowrap;
}

/* ===========================
   Navigation
=========================== */
.mainnav {
    position: sticky;
    top: 0;
    z-index: 200;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid #e8eaed;
}
.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: #202124;
    flex-shrink: 0;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-item {
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #5f6368;
    transition: background 0.15s, color 0.15s;
}
.nav-item:hover { background: #f1f3f4; color: #202124; }
.nav-download {
    margin-left: 8px;
    padding: 9px 20px;
    background: #4285F4;
    color: #fff;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.15s, transform 0.15s;
}
.nav-download:hover { background: #3367d6; transform: translateY(-1px); }
.nav-toggle {
    display: none;
    padding: 8px;
    border-radius: 8px;
}
.nav-toggle:hover { background: #f1f3f4; }

/* ===========================
   Shared Section Utilities
=========================== */
.section-eyebrow {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #4285F4;
    margin-bottom: 12px;
}
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px;
}
.section-header h2 {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 14px;
    color: #202124;
}
.section-header p {
    font-size: 17px;
    color: #5f6368;
    line-height: 1.7;
}
.section-header.light h2 { color: #202124; }

/* ===========================
   Hero Split (index)
=========================== */
.hero-split {
    min-height: 88vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 28px;
    gap: 60px;
    align-items: center;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #FEF7E0;
    color: #B06000;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 20px;
    margin-bottom: 20px;
    border: 1px solid #FBBC04;
}
.hero-left h1 {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.1;
    color: #202124;
    margin-bottom: 20px;
    letter-spacing: -1px;
}
.hero-lead {
    font-size: 17px;
    color: #5f6368;
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 500px;
}
.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #4285F4;
    color: #fff;
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
    box-shadow: 0 2px 8px rgba(66,133,244,0.3);
    border: none;
    cursor: pointer;
    font-family: inherit;
}
.btn-primary:hover { background: #3367d6; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(66,133,244,0.35); }
.btn-primary.small { font-size: 14px; padding: 10px 20px; }
.btn-primary.large { font-size: 18px; padding: 18px 40px; }
.btn-ghost {
    color: #5f6368;
    font-size: 15px;
    font-weight: 500;
    padding: 8px 0;
    transition: color 0.15s;
}
.btn-ghost:hover { color: #4285F4; }
.hero-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 0;
    border-top: 1px solid #e8eaed;
}
.meta-item strong { display: block; font-size: 22px; font-weight: 800; color: #202124; }
.meta-item span { font-size: 12px; color: #9aa0a6; font-weight: 500; }
.meta-sep { width: 1px; height: 36px; background: #e8eaed; }

/* Browser Mockup */
.hero-right { position: relative; }
.browser-mockup {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.12), 0 4px 16px rgba(0,0,0,0.06);
    overflow: hidden;
    border: 1px solid #e8eaed;
}
.mockup-bar {
    background: #f1f3f4;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #e8eaed;
}
.mockup-dots { display: flex; gap: 6px; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #FF5F57; }
.dot.yellow { background: #FEBC2E; }
.dot.green { background: #28C840; }
.mockup-url {
    flex: 1;
    background: #fff;
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 12px;
    color: #9aa0a6;
    display: flex;
    align-items: center;
    gap: 6px;
}
.mockup-content { padding: 24px; }
.mockup-search {
    background: #f1f3f4;
    border-radius: 24px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: #9aa0a6;
    margin-bottom: 20px;
}
.mockup-cards {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}
.mc { height: 48px; border-radius: 10px; }
.mc-blue { background: #E8F0FE; }
.mc-green { background: #E6F4EA; }
.mc-yellow { background: #FEF7E0; }
.mc-red { background: #FCE8E6; }
.mc-purple { background: #F3E8FD; }
.mc-teal { background: #E6F4F1; }
.mockup-speed { display: flex; align-items: center; gap: 12px; font-size: 12px; color: #9aa0a6; }
.speed-bar { flex: 1; height: 4px; background: #e8eaed; border-radius: 2px; overflow: hidden; }
.speed-fill { width: 82%; height: 100%; background: linear-gradient(90deg, #4285F4, #34A853); border-radius: 2px; }
.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 7px;
    background: #fff;
    border-radius: 24px;
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    border: 1px solid #e8eaed;
    white-space: nowrap;
}
.fb1 { top: -16px; right: -16px; color: #B06000; }
.fb2 { bottom: -16px; left: -16px; color: #0d652d; }

/* ===========================
   Why Chrome (story blocks)
=========================== */
.why-chrome {
    padding: 100px 28px;
    background: #f8f9fa;
}
.why-chrome .section-header { margin-bottom: 72px; }
.story-blocks {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 80px;
}
.story-block {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 60px;
    align-items: start;
}
.story-block.reverse { grid-template-columns: 1fr 200px; }
.story-block.reverse .story-visual { order: 2; }
.story-block.reverse .story-text { order: 1; }
.story-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px;
}
.story-num {
    display: inline-block;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #4285F4;
    background: #E8F0FE;
    padding: 3px 10px;
    border-radius: 12px;
    margin-bottom: 12px;
}
.story-text h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 14px;
    color: #202124;
}
.story-text > p {
    font-size: 16px;
    color: #5f6368;
    line-height: 1.8;
    margin-bottom: 20px;
}
.story-points {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.story-points li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #5f6368;
    font-weight: 500;
}
.story-points li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #4285F4;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ===========================
   Features Scroll
=========================== */
.features-section {
    padding: 100px 0;
    background: #fff;
    overflow: hidden;
}
.features-section .section-header { padding: 0 28px; }
.features-scroll {
    display: flex;
    gap: 20px;
    padding: 8px 28px 20px;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: #e8eaed transparent;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
}
.features-scroll::-webkit-scrollbar { height: 4px; }
.features-scroll::-webkit-scrollbar-track { background: transparent; }
.features-scroll::-webkit-scrollbar-thumb { background: #e8eaed; border-radius: 2px; }
.feature-tile {
    flex-shrink: 0;
    width: 280px;
    padding: 28px 24px;
    border-radius: 16px;
    border: 1.5px solid #e8eaed;
    position: relative;
    scroll-snap-align: start;
    transition: transform 0.2s, box-shadow 0.2s;
}
.feature-tile:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.08); }
.feature-tile h3 { font-size: 18px; font-weight: 700; margin: 14px 0 8px; color: #202124; }
.feature-tile p { font-size: 14px; color: #5f6368; line-height: 1.7; }
.ft-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 3px 8px;
    border-radius: 10px;
    background: #f1f3f4;
    color: #5f6368;
}
.ft-blue { border-color: #C5D8FB; background: #FAFCFF; }
.ft-green { border-color: #B7DEC2; background: #FAFFFE; }
.ft-yellow { border-color: #FDEEA0; background: #FFFDF5; }
.ft-red { border-color: #F5C6C3; background: #FFFAFA; }
.ft-purple { border-color: #D8B8F7; background: #FDFAFF; }
.ft-teal { border-color: #A8D8CC; background: #FAFFFD; }

/* ===========================
   Security Section (dark)
=========================== */
.security-section {
    background: #1a1a2e;
    padding: 100px 0;
}
.security-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
}
.security-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.sec-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 28px 24px;
    transition: background 0.2s;
}
.sec-card:hover { background: rgba(255,255,255,0.08); }
.sec-icon { margin-bottom: 16px; }
.sec-card h4 { font-size: 16px; font-weight: 700; color: #e8eaed; margin-bottom: 8px; }
.sec-card p { font-size: 14px; color: #9aa0a6; line-height: 1.7; }

/* ===========================
   Platforms Showcase
=========================== */
.platforms-section {
    padding: 100px 28px;
    background: #f8f9fa;
}
.platform-showcase {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.ps-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 24px;
    background: #fff;
    border-radius: 14px;
    border: 1.5px solid #e8eaed;
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.ps-item:hover { border-color: #4285F4; box-shadow: 0 4px 16px rgba(66,133,244,0.1); transform: translateX(4px); }
.ps-icon { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.ps-info { flex: 1; }
.ps-info strong { display: block; font-size: 17px; font-weight: 700; color: #202124; }
.ps-info span { font-size: 13px; color: #9aa0a6; }
.ps-arrow { color: #9aa0a6; transition: color 0.15s; }
.ps-item:hover .ps-arrow { color: #4285F4; }

/* ===========================
   FAQ Section
=========================== */
.faq-section {
    padding: 100px 28px;
    background: #fff;
}
.faq-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 80px;
    align-items: start;
}
.faq-sidebar {
    position: sticky;
    top: 88px;
}
.faq-sidebar .section-eyebrow { margin-bottom: 10px; }
.faq-sidebar h2 { font-size: 28px; font-weight: 800; color: #202124; line-height: 1.3; margin-bottom: 14px; }
.faq-sidebar p { font-size: 14px; color: #5f6368; line-height: 1.7; margin-bottom: 24px; }
.faq-content { display: flex; flex-direction: column; gap: 2px; }
.faq-item {
    border-radius: 10px;
    overflow: hidden;
}
.faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 20px;
    background: #f8f9fa;
    text-align: left;
    font-size: 15px;
    font-weight: 600;
    color: #202124;
    transition: background 0.15s;
}
.faq-q:hover { background: #f1f3f4; }
.faq-item.open .faq-q { background: #E8F0FE; color: #1a73e8; }
.faq-chevron { flex-shrink: 0; transition: transform 0.25s; }
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background: #f8f9fa;
}
.faq-item.open .faq-a { max-height: 800px; padding: 4px 20px 20px; }
.faq-a p { font-size: 14px; color: #5f6368; line-height: 1.8; margin-bottom: 10px; }
.faq-a p:last-child { margin-bottom: 0; }
.faq-a strong { color: #202124; font-weight: 600; }

/* ===========================
   Final CTA
=========================== */
.final-cta {
    padding: 100px 28px;
    background: linear-gradient(135deg, #f0f4ff 0%, #f0fff4 100%);
}
.cta-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}
.cta-chrome-icon { margin-bottom: 24px; }
.cta-box h2 { font-size: 40px; font-weight: 900; color: #202124; margin-bottom: 12px; }
.cta-box p { font-size: 17px; color: #5f6368; margin-bottom: 32px; line-height: 1.7; }
.cta-actions { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.cta-note { font-size: 13px; color: #9aa0a6; font-weight: 500; }

/* ===========================
   Footer
=========================== */
.sitefooter {
    background: #202124;
    padding: 60px 0 0;
}
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: #e8eaed;
    margin-bottom: 40px;
}
.footer-cols {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #3c4043;
}
.footer-col h5 { font-size: 13px; font-weight: 700; color: #e8eaed; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 16px; }
.footer-col a {
    display: block;
    font-size: 14px;
    color: #9aa0a6;
    margin-bottom: 10px;
    transition: color 0.15s;
}
.footer-col a:hover { color: #4285F4; }
.footer-bottom {
    padding: 20px 0;
    font-size: 12px;
    color: #5f6368;
    text-align: center;
    line-height: 1.7;
}

/* ===========================
   Download Page — DL Hero
=========================== */
.dl-hero {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    padding: 72px 28px;
    color: #fff;
}
.dl-hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    align-items: center;
}
.dl-hero-text h1 {
    font-size: 44px;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 16px;
    color: #fff;
}
.dl-hero-text p { font-size: 17px; color: #9aa0a6; line-height: 1.7; }
.dl-hero-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.dl-stat {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 14px 20px;
    min-width: 200px;
}
.dl-stat strong { display: block; font-size: 16px; font-weight: 700; color: #e8eaed; }
.dl-stat span { font-size: 12px; color: #9aa0a6; }

/* ===========================
   Windows Spotlight
=========================== */
.win-spotlight {
    padding: 80px 28px;
    background: #fff;
}
.win-inner { max-width: 1000px; margin: 0 auto; }
.win-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    color: #0078D4;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: #E8F4FD;
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 20px;
    border: 1px solid #C5DFF9;
}
.win-card {
    background: linear-gradient(135deg, #f0f8ff 0%, #e8f4fd 100%);
    border: 2px solid #4285F4;
    border-radius: 20px;
    padding: 36px;
    display: flex;
    align-items: center;
    gap: 32px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.win-card-left { display: flex; align-items: center; gap: 24px; flex: 1; min-width: 300px; }
.win-info h2 { font-size: 26px; font-weight: 800; color: #202124; margin-bottom: 4px; }
.win-version { font-size: 13px; color: #5f6368; margin-bottom: 14px; }
.win-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.wtag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    font-weight: 600;
    color: #0d652d;
    background: #E6F4EA;
    padding: 4px 10px;
    border-radius: 12px;
}
.win-card-right { text-align: center; flex-shrink: 0; }
.btn-dl-win {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #4285F4;
    color: #fff;
    padding: 16px 36px;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 700;
    transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
    box-shadow: 0 4px 16px rgba(66,133,244,0.35);
    white-space: nowrap;
    font-family: inherit;
}
.btn-dl-win:hover { background: #3367d6; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(66,133,244,0.4); }
.btn-dl-win:disabled { background: #9aa0a6; cursor: not-allowed; transform: none; box-shadow: none; }
.dl-file-info { font-size: 12px; color: #5f6368; margin-top: 8px; }
.dl-tos { font-size: 11px; color: #9aa0a6; margin-top: 6px; }
.dl-tos a { color: #4285F4; text-decoration: underline; text-underline-offset: 2px; }

/* Windows Steps */
.win-steps { margin-bottom: 40px; }
.win-steps h3 { font-size: 20px; font-weight: 700; color: #202124; margin-bottom: 28px; }
.steps-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
}
.step-node { text-align: center; padding: 0 12px; position: relative; }
.sn-circle {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: #4285F4;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    position: relative;
    z-index: 2;
}
.sn-line {
    position: absolute;
    top: 26px;
    left: calc(50% + 26px);
    width: calc(100% - 52px);
    height: 2px;
    background: linear-gradient(90deg, #4285F4, #e8eaed);
}
.step-node:last-child .sn-line { display: none; }
.step-node h4 { font-size: 14px; font-weight: 700; color: #202124; margin-bottom: 6px; }
.step-node p { font-size: 12px; color: #5f6368; line-height: 1.6; }

/* System Requirements */
.sysreq-box {
    border: 1px solid #e8eaed;
    border-radius: 14px;
    overflow: hidden;
}
.sysreq-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: #f8f9fa;
    font-size: 14px;
    font-weight: 600;
    color: #5f6368;
    text-align: left;
    transition: background 0.15s;
    font-family: inherit;
}
.sysreq-toggle:hover { background: #f1f3f4; }
.toggle-arrow { margin-left: auto; transition: transform 0.2s; }
.sysreq-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.sysreq-content.open { max-height: 400px; }
.sysreq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: #e8eaed;
    border-top: 1px solid #e8eaed;
}
.sr-item { background: #fff; padding: 14px 20px; }
.sr-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: #9aa0a6; margin-bottom: 4px; }
.sr-value { font-size: 14px; color: #202124; line-height: 1.5; }

/* ===========================
   All Platforms Section
=========================== */
.all-platforms {
    padding: 80px 28px;
    background: #f8f9fa;
}
.ap-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 40px;
}
.ap-header .section-eyebrow { margin-bottom: 8px; }
.ap-header h2 { font-size: 32px; font-weight: 800; color: #202124; margin-bottom: 10px; }
.ap-header p { font-size: 16px; color: #5f6368; }
.platform-switcher {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.ps-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    color: #5f6368;
    background: #fff;
    border: 1.5px solid #e8eaed;
    transition: all 0.15s;
    font-family: inherit;
}
.ps-tab:hover { border-color: #4285F4; color: #4285F4; }
.ps-tab.active { background: #4285F4; border-color: #4285F4; color: #fff; }
.platform-panels { max-width: 860px; margin: 0 auto; }
.pp { display: none; }
.pp.active { display: block; }
.pp-card {
    display: flex;
    gap: 28px;
    background: #fff;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.pp-card-icon { flex-shrink: 0; }
.pp-card-body { flex: 1; min-width: 0; }
.pp-card-body h3 { font-size: 22px; font-weight: 800; color: #202124; margin-bottom: 4px; }
.pp-sub { font-size: 13px; color: #9aa0a6; margin-bottom: 18px; }
.pp-features { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.pp-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #5f6368;
}
.pp-features li::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #34A853;
    flex-shrink: 0;
}
.btn-dl-platform {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #4285F4;
    color: #fff;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.15s;
    box-shadow: 0 2px 8px rgba(66,133,244,0.25);
    font-family: inherit;
}
.btn-dl-platform:hover { background: #3367d6; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(66,133,244,0.35); }
.btn-dl-platform:disabled { background: #9aa0a6; transform: none; box-shadow: none; cursor: not-allowed; }
.btn-dl-platform.secondary { background: #f1f3f4; color: #202124; box-shadow: none; }
.btn-dl-platform.secondary:hover { background: #e8eaed; transform: none; box-shadow: none; }
.pp-note { font-size: 12px; color: #9aa0a6; margin-top: 8px; }
.pp-sysreq {
    background: #fff;
    border-radius: 12px;
    padding: 16px 20px;
    font-size: 13px;
    color: #5f6368;
    line-height: 1.6;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.pp-sysreq strong { color: #202124; }

/* Linux specific */
.linux-dl-group { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
.linux-pkg {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: #f8f9fa;
    border-radius: 10px;
    padding: 14px 16px;
    flex-wrap: wrap;
}
.lpkg-info strong { display: block; font-size: 14px; color: #202124; font-weight: 700; }
.lpkg-info span { font-size: 12px; color: #9aa0a6; }
.code-snippet {
    background: #1a1a2e;
    border-radius: 10px;
    overflow: hidden;
}
.cs-tab-bar {
    display: flex;
    gap: 2px;
    padding: 10px 12px 0;
}
.cs-tab {
    font-size: 12px;
    font-weight: 600;
    color: #9aa0a6;
    padding: 6px 14px;
    border-radius: 6px 6px 0 0;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.cs-tab:hover { background: rgba(255,255,255,0.06); }
.cs-tab.active { background: rgba(255,255,255,0.1); color: #e8eaed; }
.cs-code { padding: 14px 16px; }
.cs-code code {
    font-family: 'Courier New', 'Cascadia Code', monospace;
    font-size: 13px;
    color: #34A853;
    display: block;
    overflow-x: auto;
}
.cs-code.hidden { display: none; }

/* ===========================
   DL FAQ Section
=========================== */
.dl-faq-section {
    padding: 80px 28px;
    background: #fff;
}
.dl-faq-inner {
    max-width: 860px;
    margin: 0 auto;
}
.dl-faq-inner .section-eyebrow { margin-bottom: 8px; }
.dl-faq-inner h2 { font-size: 32px; font-weight: 800; color: #202124; margin-bottom: 36px; }
.dl-faq-grid { display: flex; flex-direction: column; gap: 2px; }

/* ===========================
   Responsive
=========================== */
@media (max-width: 960px) {
    .hero-split {
        grid-template-columns: 1fr;
        gap: 48px;
        padding: 60px 24px;
        min-height: auto;
    }
    .hero-left h1 { font-size: 40px; }
    .hero-right { display: none; }
    .section-header h2 { font-size: 28px; }
    .story-block, .story-block.reverse {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .story-block.reverse .story-visual { order: unset; }
    .story-block.reverse .story-text { order: unset; }
    .story-visual { display: none; }
    .security-grid { grid-template-columns: repeat(2, 1fr); }
    .faq-wrapper { grid-template-columns: 1fr; gap: 40px; }
    .faq-sidebar { position: static; }
    .footer-cols { grid-template-columns: repeat(2, 1fr); }
    .dl-hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .dl-hero-text h1 { font-size: 32px; }
    .dl-hero-stats { flex-direction: row; flex-wrap: wrap; }
    .steps-track { grid-template-columns: 1fr 1fr; }
    .sn-line { display: none; }
}

@media (max-width: 640px) {
    .topbar { font-size: 11px; gap: 6px; }
    .nav-links { display: none; }
    .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid #e8eaed;
        padding: 12px;
        z-index: 300;
        gap: 4px;
        box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    }
    .nav-toggle { display: flex; }
    .hero-left h1 { font-size: 32px; }
    .section-header h2 { font-size: 24px; }
    .security-grid { grid-template-columns: 1fr; }
    .win-card { flex-direction: column; }
    .win-card-left { flex-direction: column; align-items: flex-start; }
    .steps-track { grid-template-columns: 1fr; }
    .sysreq-grid { grid-template-columns: 1fr; }
    .footer-cols { grid-template-columns: 1fr 1fr; gap: 24px; }
    .features-scroll { padding: 8px 16px 16px; }
    .feature-tile { width: 240px; }
    .cta-box h2 { font-size: 28px; }
    .btn-primary.large { font-size: 16px; padding: 14px 28px; }
}