/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: #202124;
    background: #fff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ── Container ── */
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: 100px;
    font-weight: 500;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.01em;
}
.btn-primary {
    background: #3f51b5;
    color: #fff;
    box-shadow: 0 1px 3px rgba(63,81,181,0.3);
}
.btn-primary:hover {
    background: #3949a3;
    box-shadow: 0 2px 8px rgba(63,81,181,0.35);
}
.btn-secondary {
    background: #fff;
    color: #3f51b5;
    border: 1px solid #dadce0;
}
.btn-secondary:hover { background: #f8f9fa; border-color: #3f51b5; }
.btn-white {
    background: #fff;
    color: #3f51b5;
}
.btn-white:hover { background: #e8eaf6; }
.btn-nav {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.7);
    padding: 8px 20px;
    font-size: 13px;
    font-weight: 600;
}
.btn-nav:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
.btn-lg { padding: 14px 32px; font-size: 15px; }

/* ── Navbar ── */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: #3f51b5;
    transition: box-shadow 0.3s ease;
}
.navbar.scrolled { box-shadow: 0 2px 12px rgba(0,0,0,0.15); }
.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.logo-img { height: 34px; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    transition: color 0.15s;
    letter-spacing: 0.01em;
}
.nav-links a:hover { color: #fff; }
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: #fff;
    padding: 4px;
}
.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 8px 24px 20px;
    background: #3949a3;
}
.mobile-menu a {
    padding: 12px 0;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu.open { display: flex; }

/* ── Hero ── */
.hero {
    padding: 160px 0 100px;
    text-align: center;
    background: #fff;
}
.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 100px;
    background: #e8eaf6;
    color: #3f51b5;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}
.hero h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.15;
    color: #202124;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}
.hero-subtitle {
    font-size: 18px;
    color: #5f6368;
    max-width: 540px;
    margin: 0 auto 40px;
    line-height: 1.7;
}
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── Trusted ── */
.trusted {
    padding: 32px 0;
    text-align: center;
    border-top: 1px solid #f1f3f4;
    border-bottom: 1px solid #f1f3f4;
}
.trusted p {
    font-size: 13px;
    color: #80868b;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* ── Sections ── */
.section { padding: 96px 0; }
.section-tinted { background: #f8f9fa; }
.section-label {
    font-size: 13px;
    font-weight: 600;
    color: #3f51b5;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
    text-align: center;
}
.section-title {
    font-size: 40px;
    font-weight: 700;
    color: #202124;
    margin-bottom: 16px;
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-align: center;
}
.section-desc {
    font-size: 17px;
    color: #5f6368;
    max-width: 560px;
    margin: 0 auto 56px;
    line-height: 1.7;
    text-align: center;
}

/* ── Features Grid ── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.feature-card {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 16px;
    padding: 28px 24px;
    transition: all 0.25s ease;
}
.feature-card:hover {
    border-color: #3f51b5;
    box-shadow: 0 4px 24px rgba(63,81,181,0.08);
    transform: translateY(-2px);
}
.feature-icon-wrap {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e8eaf6;
    border-radius: 12px;
    margin-bottom: 20px;
}
.feature-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #202124;
}
.feature-card p {
    font-size: 14px;
    color: #5f6368;
    line-height: 1.6;
}

/* ── Download ── */
.download-section { max-width: 600px; }
.download-text .section-title { text-align: left; }
.download-text .section-label { text-align: left; }
.download-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.store-badge { transition: opacity 0.2s; }
.store-badge:hover { opacity: 0.8; }
.store-badge img { height: 48px; border-radius: 8px; }
.download-note { margin-top: 20px; font-size: 13px; color: #80868b; }

/* ── CTA ── */
.cta-section { padding-bottom: 96px; }
.cta-box {
    text-align: center;
    background: #3f51b5;
    border-radius: 24px;
    padding: 72px 48px;
    color: #fff;
}
.cta-box h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}
.cta-box p {
    font-size: 17px;
    opacity: 0.85;
    margin-bottom: 32px;
    line-height: 1.6;
}

/* ── Footer ── */
.footer {
    background: #202124;
    color: #9aa0a6;
    padding: 64px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}
.footer-logo {
    height: 30px;
    margin-bottom: 16px;
    filter: brightness(10);
}
.footer-brand p { font-size: 14px; line-height: 1.6; color: #9aa0a6; }
.footer-company { margin-top: 8px; font-size: 12px; color: #5f6368; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links h4 {
    font-size: 13px;
    font-weight: 600;
    color: #e8eaed;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.footer-links a { font-size: 13px; color: #9aa0a6; transition: color 0.15s; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
    margin-top: 48px;
    padding: 20px 0;
    border-top: 1px solid #3c4043;
    text-align: center;
    font-size: 12px;
    color: #5f6368;
}

/* ── Privacy / Contact pages ── */
.page-content {
    padding: 100px 0 60px;
    min-height: calc(100vh - 200px);
    background: #f8f9fa;
}
.page-card {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 16px;
    padding: 48px;
    max-width: 800px;
    margin: 0 auto;
}
.page-card h1 { font-size: 28px; font-weight: 700; color: #202124; margin-bottom: 8px; }
.page-card .subtitle { font-size: 14px; color: #5f6368; margin-bottom: 32px; }
.page-card h2 { font-size: 20px; font-weight: 600; color: #202124; margin: 32px 0 12px; }
.page-card h3 { font-size: 16px; font-weight: 600; color: #202124; margin: 16px 0 8px; }
.page-card p { font-size: 14px; color: #5f6368; margin-bottom: 12px; line-height: 1.7; }
.page-card ul { margin: 0 0 16px 24px; }
.page-card li { font-size: 14px; color: #5f6368; margin-bottom: 4px; line-height: 1.6; }
.page-card .note {
    background: #e8eaf6;
    border-left: 4px solid #3f51b5;
    padding: 14px 18px;
    border-radius: 8px;
    font-size: 14px;
    color: #3f51b5;
    margin: 16px 0;
}
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 24px 0; }
.contact-item {
    text-align: center;
    padding: 28px 16px;
    border: 1px solid #e8eaed;
    border-radius: 16px;
    background: #fff;
    transition: box-shadow 0.2s;
}
.contact-item:hover { box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.contact-item .icon { font-size: 28px; margin-bottom: 12px; }
.contact-item .label { font-size: 13px; font-weight: 600; color: #202124; }
.contact-item .info { font-size: 13px; color: #5f6368; margin-top: 4px; }
.company-box {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    border: 1px solid #e8eaed;
    border-radius: 16px;
    background: #fff;
    margin-top: 24px;
}
.company-box .icon { font-size: 24px; }
.company-box .name { font-weight: 600; color: #202124; font-size: 14px; }
.company-box .desc { font-size: 13px; color: #5f6368; }
.help-section {
    padding: 20px;
    border: 1px solid #e8eaed;
    border-radius: 12px;
    margin-bottom: 12px;
    transition: border-color 0.2s;
}
.help-section:hover { border-color: #3f51b5; }
.help-section h3 { margin-top: 0; }
.help-cta {
    background: #e8eaf6;
    border-radius: 12px;
    padding: 20px 24px;
    margin-top: 24px;
    font-size: 14px;
    color: #3f51b5;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .hero { padding: 120px 0 72px; }
    .hero h1 { font-size: 36px; }
    .hero-subtitle { font-size: 16px; }
    .features-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .page-card { padding: 28px; }
    .contact-grid { grid-template-columns: 1fr; }
    .section { padding: 64px 0; }
    .section-title { font-size: 28px; }
    .cta-box { padding: 48px 24px; border-radius: 16px; }
    .cta-box h2 { font-size: 24px; }
    .download-section { max-width: 100%; }
}