/* ==========================================================================
   CS Brewed — Stylesheet
   Modern, Light Theme for Indie iOS & macOS Studio
   ========================================================================== */

:root {
    --font-sans: 'Nunito', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    /* Color Palette */
    --bg-page: #F8FAFC;
    --bg-surface: #FFFFFF;
    --bg-surface-elevated: #FFFFFF;
    --bg-subtle: #F1F5F9;

    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #64748B;
    --text-inverted: #FFFFFF;

    --accent: #258BD6;
    --accent-hover: #1670B3;
    --accent-light: #F0F9FF;
    --accent-border: #BAE6FD;

    --border-light: #E2E8F0;
    --border-card: rgba(226, 232, 240, 0.9);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --shadow-lg: 0 12px 28px -4px rgba(15, 23, 42, 0.08), 0 4px 8px -4px rgba(15, 23, 42, 0.04);
    --shadow-card-hover: 0 20px 35px -8px rgba(74, 171, 240, 0.18), 0 6px 12px -4px rgba(15, 23, 42, 0.06);

    /* Layout */
    --max-width: 1140px;
    --header-height: 72px;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

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

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.15s ease, opacity 0.15s ease;
}

a:hover {
    color: var(--accent-hover);
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(248, 250, 252, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-light);
    transition: background 0.2s ease;
}

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

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.brand-logo {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    line-height: 1.2;
}

.brand-tagline {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
}

.nav-link:hover {
    color: var(--accent);
    background: var(--accent-light);
}

.nav-btn {
    font-size: 0.9rem;
    font-weight: 700;
    padding: 8px 18px;
    background: var(--text-primary);
    color: var(--text-inverted);
    border-radius: var(--radius-full);
    transition: transform 0.15s ease, background 0.15s ease;
}

.nav-btn:hover {
    background: #1e293b;
    color: var(--text-inverted);
    transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    padding: 70px 24px 60px;
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.hero-content {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pill-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    font-size: 0.85rem;
    font-weight: 700;
    background: var(--accent-light);
    color: var(--accent);
    border: 1px solid var(--accent-border);
    border-radius: var(--radius-full);
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}

.hero-title {
    font-size: 3.25rem;
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.hero-lead {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 36px;
    font-weight: 500;
}

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

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1rem;
    padding: 13px 26px;
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    line-height: 1.2;
}

.btn-primary {
    background: linear-gradient(135deg, #4AABF0 0%, #1A7FCC 100%);
    color: var(--text-inverted);
    box-shadow: 0 4px 14px rgba(74, 171, 240, 0.4);
}

.btn-primary:hover {
    color: var(--text-inverted);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(74, 171, 240, 0.55);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

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

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-light);
}

.btn-outline:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-light);
    transform: translateY(-1px);
}

.btn-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Sections Common Header
   -------------------------------------------------------------------------- */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
}

.section-eyebrow {
    display: block;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 8px;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Products Section & Cards
   -------------------------------------------------------------------------- */
.products-section {
    padding: 60px 24px 80px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.product-cards {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.product-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 32px;
    padding: 44px;
    align-items: center;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-3px);
}

.product-card-body {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.product-badge-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    letter-spacing: 0.02em;
}

.badge-platform {
    background: #EFF6FF;
    color: #1D4ED8;
    border: 1px solid #DBEAFE;
}

.badge-category {
    background: #F1F5F9;
    color: #475569;
    border: 1px solid #E2E8F0;
}

.badge-price {
    background: #F0FDF4;
    color: #15803D;
    border: 1px solid #DCFCE7;
}

.product-title-row {
    display: flex;
    align-items: center;
    gap: 18px;
}

.product-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
    background-color: var(--bg-subtle);
}

.product-name {
    font-size: 1.65rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    line-height: 1.2;
}

.product-tagline {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-top: 2px;
}

.product-description {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 4px 0;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.feature-check {
    width: 18px;
    height: 18px;
    color: #10B981;
    flex-shrink: 0;
    margin-top: 3px;
}

.product-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 8px;
}

/* Device Preview & Screenshot Slider */
.product-card-preview {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.screenshot-slider {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 300px;
    position: relative;
}

.screenshot-slider.mac-slider {
    max-width: 375px;
}

.device-frame {
    background: #F1F5F9;
    border: 1px solid var(--border-light);
    border-radius: 28px;
    padding: 10px;
    box-shadow: var(--shadow-md);
    width: 100%;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.device-frame:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.device-frame.mac-frame {
    border-radius: 16px;
    padding: 8px;
}

.slider-viewport {
    overflow: hidden;
    border-radius: 20px;
    width: 100%;
    position: relative;
    touch-action: pan-y pinch-zoom;
}

.mac-frame .slider-viewport {
    border-radius: 10px;
    background: #FFFFFF;
}

.slider-track {
    display: flex;
    transition: transform 0.45s cubic-bezier(0.25, 1, 0.5, 1);
    will-change: transform;
}

.slide {
    flex: 0 0 100%;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.slide img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 18px;
    user-select: none;
    -webkit-user-drag: none;
}

.mac-frame .slide {
    height: 235px;
    background: #FFFFFF;
}

.mac-frame .slide img {
    border-radius: 8px;
    max-height: 235px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    margin: 0 auto;
}

/* Slider navigation arrows */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    color: var(--text-primary);
    font-size: 22px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease, color 0.2s ease;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    padding: 0 0 2px 0;
}

.device-frame:hover .slider-arrow,
.device-frame:focus-within .slider-arrow {
    opacity: 1;
}

.slider-arrow.prev { left: 14px; }
.slider-arrow.next { right: 14px; }

.slider-arrow:hover {
    background: #FFFFFF;
    color: var(--accent);
    transform: translateY(-50%) scale(1.1);
}

/* Slider dots indicator */
.slider-dots {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 14px;
}

.slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: #CBD5E1;
    border: none;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.25, 1, 0.5, 1);
    padding: 0;
}

.slider-dot:hover {
    background: #94A3B8;
}

.slider-dot.active {
    background: var(--accent);
    width: 22px;
}

/* --------------------------------------------------------------------------
   Values / Philosophy Section
   -------------------------------------------------------------------------- */
.values-section {
    padding: 70px 24px;
    background: #F1F5F9;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.values-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.value-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.value-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--accent-light);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.value-icon-wrapper svg {
    width: 24px;
    height: 24px;
}

.value-card h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.value-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about-section {
    padding: 80px 24px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.about-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 50px 60px;
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(180deg, #4AABF0 0%, #1A7FCC 100%);
}

.about-content {
    max-width: 760px;
}

.about-title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 18px;
}

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

.about-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 28px;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    background: #0F172A;
    color: #94A3B8;
    padding: 60px 24px 40px;
    margin-top: 40px;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #1E293B;
}

.footer-brand {
    max-width: 360px;
}

.footer-logo-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.footer-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: #FFFFFF;
}

.footer-desc {
    font-size: 0.95rem;
    line-height: 1.5;
    color: #94A3B8;
}

.footer-nav {
    display: flex;
    gap: 60px;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #FFFFFF;
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    color: #94A3B8;
    font-size: 0.95rem;
    transition: color 0.15s ease;
}

.footer-col a:hover {
    color: #FFFFFF;
}

.footer-bottom {
    max-width: var(--max-width);
    margin: 30px auto 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
    color: #64748B;
}

.footer-subtext {
    font-size: 0.75rem;
    color: #475569;
}

/* --------------------------------------------------------------------------
   Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
    .product-card {
        grid-template-columns: 1fr;
        padding: 36px 28px;
    }

    .screenshot-slider {
        max-width: 280px;
    }

    .screenshot-slider.mac-slider {
        max-width: 350px;
    }

    .slider-arrow {
        opacity: 0.85; /* Keep visible on touch / tablet */
    }

    .values-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .about-card {
        padding: 40px 32px;
    }
}

@media (max-width: 640px) {
    :root {
        --header-height: 64px;
    }

    .screenshot-slider {
        max-width: 250px;
    }

    .screenshot-slider.mac-slider {
        max-width: 310px;
    }

    .mac-frame .slide {
        height: 190px;
    }

    .mac-frame .slide img {
        max-height: 190px;
    }

    .nav-links .nav-link {
        display: none;
    }

    .hero {
        padding: 48px 16px 40px;
    }

    .hero-title {
        font-size: 2.1rem;
    }

    .hero-lead {
        font-size: 1.05rem;
    }

    .hero-actions {
        width: 100%;
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .product-card {
        padding: 24px 20px;
    }

    .product-title-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .product-actions {
        flex-direction: column;
    }

    .product-actions .btn {
        width: 100%;
        text-align: center;
    }

    .about-card {
        padding: 28px 20px;
    }

    .about-title {
        font-size: 1.8rem;
    }

    .about-links {
        flex-direction: column;
    }

    .about-links .btn {
        width: 100%;
    }

    .footer-container {
        flex-direction: column;
        gap: 30px;
    }

    .footer-nav {
        flex-direction: column;
        gap: 24px;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}