/* Shared light-theme product pages (My Competitors, ControlZ) */

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;

    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--gray-900);
    background: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 0;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
}

/* —— Hero —— */
.hero {
    padding: var(--space-24) var(--space-6) var(--space-20);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-align: center;
}

.hero-content {
    max-width: 850px;
    margin: 0 auto;
}

.brand-identity {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.34);
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-4);
    margin-bottom: var(--space-6);
    backdrop-filter: blur(4px);
}

.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.22);
}

.brand-text {
    text-align: left;
    line-height: 1.2;
}

.brand-text strong {
    display: block;
    color: #fff;
    font-size: 0.95rem;
}

.brand-text span {
    display: block;
    color: rgba(255, 255, 255, 0.84);
    font-size: 0.75rem;
    letter-spacing: 0.03em;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 700;
    line-height: 1.15;
    color: #fff;
    margin-bottom: var(--space-4);
}

.hero p {
    color: rgba(255, 255, 255, 0.92);
    font-size: 1.15rem;
    margin-bottom: var(--space-6);
}

.hero-version {
    display: block;
    margin-bottom: var(--space-6);
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.78);
    letter-spacing: 0.02em;
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* —— Buttons —— */
.btn {
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    border: 2px solid transparent;
    transition: all var(--transition-base);
    cursor: pointer;
}

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

.btn-secondary {
    background: transparent;
    border-color: #fff;
    color: #fff;
}

.btn-primary:hover,
.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary:hover {
    background: #fff;
    color: var(--primary);
}

/* —— Sections —— */
.section-block,
.features,
.platforms,
.screenshots,
.bridges,
.workflow,
.how-it-works {
    padding: var(--space-20) var(--space-6);
}

.features {
    background: var(--gray-50);
}

.features--alt {
    background: #fff;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

.section-header > p:not(.section-eyebrow) {
    font-size: 1.15rem;
    color: var(--gray-600);
    max-width: 760px;
    margin: 0 auto;
}

.section-header .section-eyebrow {
    color: var(--primary-dark);
    opacity: 1;
}

/* —— Feature cards —— */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
}

.feature-card {
    background: #fff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

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

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--space-4);
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.feature-card p {
    color: var(--gray-600);
    font-size: 0.98rem;
}

.feature-card code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--gray-100);
    padding: 2px 6px;
    border-radius: 4px;
}

/* —— Workflow / how-it-works —— */
.workflow-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-6);
}

.workflow-step {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
}

.workflow-step strong {
    color: var(--primary-dark);
    display: inline-block;
    margin-bottom: var(--space-2);
}

.workflow-step p {
    color: var(--gray-600);
    font-size: 0.98rem;
}

/* Numbered how-steps strip */
.how-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-6);
    counter-reset: how-step;
    list-style: none;
    margin: 0;
    padding: 0;
}

.how-steps > li,
.how-step {
    position: relative;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    padding-top: calc(var(--space-6) + 0.25rem);
    counter-increment: how-step;
}

.how-steps > li::before,
.how-step::before {
    content: counter(how-step);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    margin-bottom: var(--space-4);
    border-radius: var(--radius-full);
    background: var(--primary);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
}

.how-steps h3,
.how-step h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.how-steps p,
.how-step p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin: 0;
}

@media (max-width: 960px) {
    .how-steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .how-steps {
        grid-template-columns: 1fr;
    }
}

/* —— Release panel —— */
.release-highlights {
    padding: var(--space-12) var(--space-6);
    background: #eef2ff;
    border-bottom: 1px solid #c7d2fe;
}

.release-panel {
    max-width: 1100px;
    margin: 0 auto;
    padding: var(--space-8);
    background: #fff;
    border: 1px solid #c7d2fe;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.release-panel h2 {
    margin-bottom: var(--space-3);
    font-size: clamp(1.55rem, 3vw, 2.1rem);
    font-weight: 700;
    color: var(--gray-900);
}

.release-panel > p {
    margin-bottom: var(--space-5);
    font-size: 1rem;
    color: var(--gray-600);
}

.release-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
    margin: 0;
    padding: 0;
    list-style: none;
}

.release-list li {
    padding: var(--space-4);
    color: var(--gray-700);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary);
}

/* —— Screenshots —— */
.screenshots {
    background: #fff;
}

.screenshots-intro {
    max-width: 720px;
    margin: 0 auto var(--space-6);
    text-align: center;
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.55;
}

.screenshots-intro a {
    color: var(--primary-dark);
    font-weight: 600;
}

.screenshots-intro code,
.screenshot-info code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--gray-100);
    padding: 2px 6px;
    border-radius: 4px;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

@media (min-width: 960px) {
    .screenshot-card:has(.screenshot-strip) {
        grid-column: 1 / -1;
    }
}

.screenshot-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.screenshot-media {
    width: 100%;
    line-height: 0;
    background: radial-gradient(ellipse at 50% 42%, #3a3f55 0%, #1a1c26 68%, #12131a 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-6);
}

/* Soft stage for PNGs that already include a device bezel */
.screenshot-media--baked {
    padding: var(--space-6) var(--space-4);
}

.screenshot-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* CasaRay-style CSS device frames (for raw UI captures) */
.device-frame {
    display: block;
    max-width: 100%;
    margin-inline: auto;
    background: #0a0c10;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow:
        0 28px 70px rgba(0, 0, 0, 0.35),
        inset 0 0 0 1px rgba(255, 255, 255, 0.04);
    overflow: hidden;
    line-height: 0;
}

.device-frame img {
    display: block;
    width: 100%;
    height: auto;
}

.device-frame--phone {
    width: min(100%, 260px);
    padding: 5px;
    border-radius: 42px;
}

.device-frame--phone img {
    border-radius: 37px;
}

.device-frame--tablet {
    width: min(100%, 640px);
    padding: 10px;
    border-radius: 22px;
}

.device-frame--tablet img {
    border-radius: 14px;
}

.device-frame--browser {
    width: min(100%, 720px);
    padding: 0;
    border-radius: 14px;
    background: #1c1e26;
}

.device-frame--browser .device-frame__chrome {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: linear-gradient(180deg, #2a2d38 0%, #1e2129 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.device-frame--browser .device-frame__chrome span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #4b5563;
}

.device-frame--browser .device-frame__chrome span:nth-child(1) {
    background: #ef4444;
}

.device-frame--browser .device-frame__chrome span:nth-child(2) {
    background: #f59e0b;
}

.device-frame--browser .device-frame__chrome span:nth-child(3) {
    background: #22c55e;
}

.device-frame--browser img {
    border-radius: 0;
}

.device-frame--empty {
    aspect-ratio: 390 / 844;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #111318;
}

.device-frame--empty.device-frame--tablet {
    aspect-ratio: 4 / 3;
}

.device-frame--empty::after {
    content: attr(data-label);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.35);
    line-height: 1.3;
    text-align: center;
    padding: var(--space-4);
}

.screenshot-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-6);
    align-items: end;
    justify-items: center;
    min-height: 0;
    padding: var(--space-10) var(--space-6);
}

.screenshot-strip .screenshot-img-portrait {
    width: 100%;
    max-width: 320px;
    height: auto;
    display: block;
    object-fit: contain;
    object-position: center center;
    background: transparent;
    margin-inline: auto;
}

.screenshot-strip .device-frame--phone {
    width: min(100%, 240px);
}

.screenshot-info {
    padding: var(--space-6);
    background: #fff;
}

.screenshot-info h3 {
    margin-bottom: var(--space-2);
    color: var(--gray-900);
    font-size: 1.25rem;
    font-weight: 700;
}

.screenshot-info p {
    color: var(--gray-600);
    font-size: 0.9375rem;
}

.screenshot-platform {
    display: block;
    margin-top: var(--space-2);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--primary-dark);
    letter-spacing: 0.02em;
}

/* —— Platforms —— */
.platforms {
    background: #fff;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-12);
    align-items: stretch;
}

.platform-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.platform-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.platform-card h3 {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--gray-900);
}

.platform-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--primary-dark);
    background: rgba(99, 102, 241, 0.12);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
}

.platform-card ul {
    margin: 0;
    padding-left: 1.15rem;
    color: var(--gray-600);
    font-size: 0.98rem;
    line-height: 1.55;
}

.platform-card li {
    margin-bottom: var(--space-3);
}

.platform-card li:last-child {
    margin-bottom: 0;
}

.platform-footnote {
    max-width: 820px;
    margin: var(--space-10) auto 0;
    padding: var(--space-5) var(--space-6);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary);
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.55;
}

.platform-footnote strong {
    color: var(--gray-800);
}

/* —— Bridges —— */
.bridges {
    background: var(--gray-50);
}

.bridges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.bridge-card {
    background: #fff;
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.bridge-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.25rem;
    height: 3.25rem;
    margin: 0 auto var(--space-4);
    color: var(--primary);
    font-size: 2.5rem;
    line-height: 1;
}

.bridge-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* Left-align bridge-style icons inside feature cards (Local API, etc.) */
.feature-card .bridge-icon {
    margin-left: 0;
    margin-right: auto;
}

.bridge-card h3 {
    margin-bottom: var(--space-2);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--gray-900);
}

.bridge-card p {
    font-size: 0.9375rem;
    color: var(--gray-600);
}

.bridge-card code {
    font-family: var(--font-mono);
    font-size: 0.8em;
}

.bridge-card a {
    color: var(--primary-dark);
    font-weight: 600;
}

/* Light-section buttons (HS4 plugin download, etc.) */
.features .btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.features .btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
}

.features .btn-secondary {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.features .btn-secondary:hover {
    background: var(--primary);
    color: #fff;
}

.features .platform-footnote {
    background: #fff;
}

.platform-footnote a {
    color: var(--primary-dark);
    font-weight: 600;
}

.platform-footnote code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--gray-100);
    padding: 2px 6px;
    border-radius: 4px;
}

.hs4-version-archive {
    max-width: 820px;
    margin: 1.25rem auto 0;
    padding: 0.85rem 1.1rem;
    background: #fff;
    border: 1px solid var(--gray-200, #e5e7eb);
    border-radius: 10px;
    font-size: 0.9375rem;
    color: var(--gray-600, #4b5563);
    text-align: left;
}

.hs4-version-archive summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--gray-800, #1f2937);
}

.hs4-version-archive p {
    margin: 0.75rem 0 0.5rem;
    line-height: 1.5;
}

.hs4-version-archive ul {
    margin: 0;
    padding-left: 1.25rem;
}

.hs4-version-archive li {
    margin: 0.35rem 0;
}

.hs4-version-archive a {
    font-weight: 600;
    color: var(--primary-dark, #1d4ed8);
}

.hs4-version-current {
    color: var(--gray-500, #6b7280);
    font-size: 0.875em;
}

/* —— CTA —— */
.cta {
    padding: var(--space-16) var(--space-6);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: #fff;
    text-align: center;
}

.cta h2 {
    color: #fff;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.15rem;
    margin-bottom: var(--space-6);
}

/* —— Motion —— */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* —— Responsive —— */
@media (max-width: 960px) {
    .platform-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: var(--space-16) var(--space-4) var(--space-12);
    }

    .hero-buttons {
        flex-direction: column;
    }

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

    .features-grid,
    .screenshots-grid,
    .bridges-grid {
        grid-template-columns: 1fr;
    }

    .screenshot-strip {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        padding: var(--space-8) var(--space-4);
    }

    .screenshot-strip .screenshot-img-portrait {
        max-height: min(58vh, 520px);
        width: auto;
        max-width: 100%;
        margin-inline: auto;
    }

    .screenshot-strip .device-frame--phone {
        width: min(100%, 280px);
    }

    .screenshot-media {
        padding: var(--space-6) var(--space-4);
    }
}