/* Business Buddy marketing site — shared design tokens & components */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2196f3;
    --primary-dark: #1976d2;
    --primary-container: #bbdefb;
    --secondary: #1976d2;
    --secondary-container: #90caf9;
    --tertiary: #03dac5;
    --text: #1c1b1f;
    --text-light: #424242;
    --bg: #fffbfe;
    --bg-light: #e3f2fd;
    --bg-dark: #1c1b1f;
    --border: #bdbdbd;
    --on-primary: #ffffff;
    --on-primary-container: #0d47a1;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;

    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --shadow-sm: 0 1px 4px rgba(33, 150, 243, 0.08);
    --shadow-md: 0 2px 12px rgba(33, 150, 243, 0.12);
    --header-height: 4.25rem;
}

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.55;
    color: var(--text);
    background: var(--bg);
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 var(--space-5);
}

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    z-index: 10001;
    padding: var(--space-2) var(--space-4);
    background: var(--primary);
    color: var(--on-primary);
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
}

.skip-link:focus {
    top: var(--space-2);
}

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Header */
header {
    background: var(--bg);
    border-bottom: 1px solid rgba(28, 27, 31, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: var(--header-height);
    gap: var(--space-4);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--text);
    flex-shrink: 0;
}

.logo span {
    font-family: "Poppins", sans-serif;
    font-weight: 700;
    font-size: 1.35rem;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.logo img {
    height: 52px;
    width: 52px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.9375rem;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--primary);
}

.back-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    white-space: nowrap;
}

.back-link:hover {
    text-decoration: underline;
}

/* Hero */
.hero {
    background: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--on-primary);
    padding: var(--space-7) 0 var(--space-6);
    text-align: center;
}

.hero h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--space-3);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.hero p {
    font-size: 1.0625rem;
    max-width: 36rem;
    margin: 0 auto var(--space-5);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 2.75rem;
    padding: 0 var(--space-5);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--on-primary);
    color: var(--primary);
}

.btn-primary:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background: transparent;
    color: var(--on-primary);
    border: 2px solid rgba(255, 255, 255, 0.85);
}

/* Sections */
.page-section {
    padding: var(--space-7) 0;
}

.page-section--alt {
    background: var(--bg-light);
}

.section-title {
    text-align: center;
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--space-2);
    color: var(--text);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.section-lead {
    text-align: center;
    color: var(--text-light);
    margin-bottom: var(--space-5);
    font-size: 1rem;
    max-width: 40rem;
    margin-left: auto;
    margin-right: auto;
}

/* Feature cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-4);
}

.feature-card {
    background: var(--bg);
    padding: var(--space-5);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(33, 150, 243, 0.12);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-container);
}

.feature-card h3 {
    font-size: 1.0625rem;
    margin-bottom: var(--space-2);
    color: var(--text);
    font-weight: 600;
}

.feature-card p {
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--text-light);
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-4);
    max-width: 42rem;
    margin: var(--space-5) auto 0;
}

.pricing-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    text-align: center;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    position: relative;
}

.pricing-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.pricing-card.featured {
    border-color: var(--primary);
    background: linear-gradient(180deg, var(--primary-container) 0%, var(--bg) 100%);
}

.pricing-card.featured::before {
    content: "Popular";
    position: absolute;
    top: -0.65rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--on-primary);
    padding: var(--space-1) var(--space-4);
    border-radius: 999px;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.tier-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-1);
}

.tier-keywords {
    color: var(--text-light);
    margin-bottom: var(--space-4);
    font-size: 0.9375rem;
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-1);
    letter-spacing: -0.02em;
}

.pricing-card.featured .price {
    color: var(--on-primary-container);
}

.price-period {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: var(--space-4);
}

.pricing-benefits {
    list-style: none;
    text-align: left;
    font-size: 0.9375rem;
    color: var(--text-light);
}

.pricing-benefits li {
    padding: var(--space-2) 0;
    border-bottom: 1px solid rgba(28, 27, 31, 0.08);
}

.pricing-benefits li:last-child {
    border-bottom: none;
}

/* Compatibility */
.compatibility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-5);
}

.compatibility-card {
    background: var(--bg);
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(28, 27, 31, 0.08);
    text-align: center;
}

.compatibility-card h4 {
    color: var(--primary);
    margin-bottom: var(--space-2);
    font-size: 1rem;
    font-weight: 600;
}

.compatibility-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
}

/* Screenshots */
.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-5);
}

.screenshot-item {
    background: var(--bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(28, 27, 31, 0.06);
    text-align: center;
    cursor: pointer;
    transition: box-shadow 0.2s ease;
}

.screenshot-item:hover {
    box-shadow: var(--shadow-md);
}

.screenshot-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text);
    padding: var(--space-3) var(--space-2) var(--space-2);
}

.screenshot-item img {
    width: 100%;
    max-width: 180px;
    height: auto;
    max-height: 320px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.screenshot-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.92);
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    cursor: pointer;
    flex-direction: column;
}

.screenshot-lightbox.active {
    display: flex;
}

.screenshot-lightbox-title {
    color: var(--on-primary);
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
    pointer-events: none;
}

.screenshot-lightbox-content {
    max-width: min(95vw, 420px);
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    cursor: default;
}

/* Download */
.download {
    padding: var(--space-6) 0;
    background: var(--bg-dark);
    color: var(--on-primary);
    text-align: center;
}

.download h2 {
    font-size: clamp(1.5rem, 3vw, 1.75rem);
    margin-bottom: var(--space-2);
    font-weight: 600;
}

.download p {
    font-size: 1rem;
    margin-bottom: var(--space-5);
    opacity: 0.9;
    max-width: 32rem;
    margin-left: auto;
    margin-right: auto;
}

.store-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    min-height: 3rem;
    padding: 0 var(--space-5);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--on-primary);
    transition: background 0.2s ease, border-color 0.2s ease;
}

.store-button:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.5);
}

.store-button-label {
    font-size: 0.6875rem;
    opacity: 0.85;
    letter-spacing: 0.04em;
}

.store-button-name {
    font-size: 1.0625rem;
    font-weight: 700;
}

/* Content pages (help, policy) */
.content-page {
    padding: var(--space-6) 0 var(--space-7);
}

.content-page h1 {
    font-size: clamp(1.5rem, 3vw, 1.75rem);
    margin-bottom: var(--space-2);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.content-page .updated,
.content-intro {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: var(--space-5);
}

.content-intro {
    line-height: 1.55;
}

.content-card {
    background: var(--bg);
    padding: var(--space-5);
    margin-bottom: var(--space-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(33, 150, 243, 0.1);
}

.content-card h2,
.content-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-3);
    color: var(--text);
    font-weight: 600;
}

.content-card ul,
.content-card ol {
    padding-left: 1.25rem;
    margin: var(--space-2) 0 0;
    color: var(--text);
}

.content-card li {
    margin-bottom: var(--space-2);
    font-size: 0.9375rem;
}

.content-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
    margin: var(--space-2) 0;
}

.content-card a {
    color: var(--primary);
    font-weight: 500;
    text-decoration: none;
}

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

.content-card code {
    background: var(--bg-light);
    padding: 0.125rem 0.375rem;
    border-radius: 6px;
    font-size: 0.875em;
    color: var(--on-primary-container);
}

.contact-box {
    background: var(--bg-light);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-top: var(--space-3);
    text-align: center;
}

.contact-box a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.contact-box a:hover {
    text-decoration: underline;
}

.highlight-box {
    background: var(--primary-container);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary);
    margin: var(--space-4) 0;
}

.highlight-box p {
    color: var(--text);
    margin: var(--space-1) 0;
}

.permission-row {
    margin: var(--space-3) 0;
    padding: var(--space-4);
    background: var(--bg-light);
    border-radius: var(--radius-md);
}

.permission-name {
    font-weight: 600;
    color: var(--text);
    display: block;
}

.permission-why {
    color: var(--text-light);
    font-size: 0.9375rem;
    margin-top: var(--space-2);
}

/* Footer */
footer {
    background: var(--bg-dark);
    color: var(--on-primary);
    padding: var(--space-6) 0 var(--space-5);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-5);
    text-align: left;
}

.footer-section h3 {
    margin-bottom: var(--space-3);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--on-primary);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.875rem;
    line-height: 1.5;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    display: block;
    margin-bottom: var(--space-2);
    font-size: 0.875rem;
}

.footer-section a:hover {
    color: var(--on-primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: var(--space-4);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-compact {
    text-align: center;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.875rem;
}

.footer-compact a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
}

.footer-compact a:hover {
    color: var(--on-primary);
    text-decoration: underline;
}

.footer-compact p + p {
    margin-top: var(--space-3);
}

/* Mobile nav */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: var(--space-2);
    cursor: pointer;
    color: var(--text);
    border-radius: var(--radius-sm);
    min-width: 2.75rem;
    min-height: 2.75rem;
}

.nav-toggle-bar {
    display: block;
    width: 1.25rem;
    height: 2px;
    background: var(--text);
    margin: 5px 0;
    border-radius: 1px;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--bg);
        border-bottom: 1px solid rgba(28, 27, 31, 0.08);
        padding: var(--space-2) var(--space-5) var(--space-4);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    }

    .nav-links.is-open {
        display: flex;
    }

    .nav-links li {
        border-bottom: 1px solid rgba(28, 27, 31, 0.06);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: var(--space-3) 0;
        font-size: 1rem;
    }

    header nav {
        position: relative;
        flex-wrap: wrap;
    }

    .page-section,
    .hero {
        padding-top: var(--space-6);
        padding-bottom: var(--space-6);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }
}