:root {
    color-scheme: dark;
    --color-canvas: #0b0e14;
    --color-surface-1: #111620;
    --color-surface-2: #171d29;
    --color-surface-3: #202938;
    --color-border: #2b3648;
    --color-border-strong: #3b4b64;
    --color-text-primary: #f2f5f8;
    --color-text-secondary: #a8b4c4;
    --color-text-muted: #718096;
    --color-accent: #4dd7e8;
    --color-accent-soft: #163b45;
    --color-ai: #a78bfa;
    --color-ai-soft: #30264e;
    --color-success: #55d69a;
    --color-warning: #f4c96b;
    --color-danger: #ff7f8f;
    --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-md: 1rem;
    --text-lg: 1.25rem;
    --text-xl: 1.75rem;
    --text-2xl: 2.5rem;
    --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;
    --radius-sm: 0.4rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.1rem;
    --radius-pill: 999px;
    --shadow-panel: 0 18px 42px rgb(0 0 0 / 40%);
    --shadow-glow: 0 0 35px rgb(77 215 232 / 12%);
    --shadow-ai-glow: 0 0 35px rgb(167 139 250 / 12%);
    --focus-ring: 0 0 0 2px var(--color-canvas), 0 0 0 4px var(--color-accent);
    --motion-fast: 140ms;
    --motion-standard: 200ms;
    --motion-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
    --container-max: 76rem;
}

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

html {
    min-width: 18rem;
    background: var(--color-canvas);
    scroll-behavior: smooth;
}

body {
    min-width: 18rem;
    min-height: 100vh;
    margin: 0;
    color: var(--color-text-primary);
    background:
        radial-gradient(ellipse at 50% 0%, rgb(77 215 232 / 9%) 0%, transparent 42rem),
        radial-gradient(circle at 85% 30%, rgb(167 139 250 / 6%) 0%, transparent 35rem),
        var(--color-canvas);
    font-family: var(--font-sans);
    font-size: var(--text-md);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

button:focus-visible,
a:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

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

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.landing-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgb(11 14 20 / 86%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgb(43 54 72 / 60%);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-3) var(--space-6);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    color: inherit;
    text-decoration: none;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 2.2rem;
    height: 2.2rem;
    color: var(--color-canvas);
    background: linear-gradient(145deg, var(--color-accent), #8df0da);
    border-radius: 0.65rem;
    box-shadow: 0 0 1.2rem rgb(77 215 232 / 24%);
    font-size: 1.15rem;
    font-weight: 800;
}

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

.brand-name {
    font-size: 1.05rem;
    font-weight: 750;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.brand-label {
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.landing-nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav-link {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: 600;
    transition: color var(--motion-fast) var(--motion-ease);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 2.6rem;
    padding: 0 var(--space-5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--text-sm);
    font-weight: 700;
    text-align: center;
    white-space: nowrap;
    transition: background var(--motion-fast) var(--motion-ease),
                border-color var(--motion-fast) var(--motion-ease),
                color var(--motion-fast) var(--motion-ease),
                transform var(--motion-fast) var(--motion-ease),
                box-shadow var(--motion-fast) var(--motion-ease);
}

.button-primary {
    color: var(--color-canvas);
    background: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 0 18px rgb(77 215 232 / 20%);
}

.button-primary:hover {
    background: #86e7ef;
    border-color: #86e7ef;
    box-shadow: 0 0 24px rgb(77 215 232 / 35%);
    transform: translateY(-1px);
}

.button-secondary {
    color: var(--color-text-primary);
    background: var(--color-surface-2);
    border-color: var(--color-border);
}

.button-secondary:hover {
    background: var(--color-surface-3);
    border-color: var(--color-border-strong);
    color: #fff;
    transform: translateY(-1px);
}

.button-lg {
    min-height: 3.1rem;
    padding: 0 var(--space-8);
    font-size: var(--text-md);
    border-radius: var(--radius-md);
}

/* ==========================================================================
   Typography & Shared Layout
   ========================================================================== */

.landing-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-10) var(--space-6) var(--space-16);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0 0 var(--space-3);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.eyebrow-accent {
    color: var(--color-accent);
}

.eyebrow-ai {
    color: var(--color-ai);
}

.page-lede {
    max-width: 44rem;
    margin: var(--space-4) auto 0;
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    line-height: 1.6;
}

.section-heading {
    text-align: center;
    max-width: 44rem;
    margin: 0 auto var(--space-10);
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.section-lede {
    margin: var(--space-3) 0 0;
    color: var(--color-text-secondary);
    font-size: var(--text-md);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
    text-align: center;
    padding: var(--space-6) 0 var(--space-8);
}

.hero-content {
    max-width: 52rem;
    margin: 0 auto;
}

.hero-content h1 {
    margin: 0;
    font-size: clamp(2.3rem, 5vw, 3.6rem);
    font-weight: 850;
    letter-spacing: -0.035em;
    line-height: 1.15;
    background: linear-gradient(175deg, #ffffff 30%, #b8c6d8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-8);
    flex-wrap: wrap;
}

.hero-mockup {
    margin: var(--space-12) auto 0;
    max-width: 68rem;
}

/* ==========================================================================
   Mockup Frames & Screenshots
   ========================================================================== */

.mockup-window {
    background: var(--color-surface-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-panel), var(--shadow-glow);
    overflow: hidden;
    position: relative;
    transition: border-color var(--motion-standard) var(--motion-ease),
                box-shadow var(--motion-standard) var(--motion-ease);
}

.mockup-window:hover {
    border-color: var(--color-border-strong);
}

.mockup-window-ai {
    box-shadow: var(--shadow-panel), var(--shadow-ai-glow);
}

.mockup-bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    background: var(--color-surface-2);
    border-bottom: 1px solid var(--color-border);
}

.mockup-dots {
    display: flex;
    gap: 0.35rem;
}

.mockup-dots i {
    width: 0.65rem;
    height: 0.65rem;
    border-radius: var(--radius-pill);
    background: var(--color-border-strong);
    display: inline-block;
}

.mockup-dots i:nth-child(1) { background: #ff5f56; }
.mockup-dots i:nth-child(2) { background: #ffbd2e; }
.mockup-dots i:nth-child(3) { background: #27c93f; }

.mockup-url {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    background: rgb(11 14 20 / 60%);
    padding: 0.15rem var(--space-3);
    border-radius: var(--radius-sm);
    border: 1px solid rgb(43 54 72 / 40%);
}

.mockup-window img {
    width: 100%;
    height: auto;
    display: block;
}

figcaption {
    margin-top: var(--space-3);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    text-align: center;
    line-height: 1.5;
}

/* ==========================================================================
   After-sign-in Steps Strip
   ========================================================================== */

.steps-section {
    padding: var(--space-2) 0;
}

.steps-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: none;
}

.step-card {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    column-gap: var(--space-3);
    row-gap: var(--space-2);
    padding: var(--space-6);
    background: linear-gradient(150deg, rgb(23 29 41 / 85%), rgb(17 22 32 / 95%));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgb(0 0 0 / 25%);
}

.step-number {
    display: grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    color: var(--color-canvas);
    background: var(--color-accent);
    border-radius: var(--radius-pill);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 800;
}

.step-card h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 750;
    letter-spacing: -0.015em;
    color: var(--color-text-primary);
}

.step-card p {
    grid-column: 1 / -1;
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 1.55;
}

/* ==========================================================================
   Pillars / Workflow Section
   ========================================================================== */

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
}

.pillar-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-6);
    background: linear-gradient(150deg, rgb(23 29 41 / 85%), rgb(17 22 32 / 95%));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgb(0 0 0 / 25%);
    transition: transform var(--motion-fast) var(--motion-ease),
                border-color var(--motion-fast) var(--motion-ease),
                box-shadow var(--motion-fast) var(--motion-ease);
}

.pillar-card:hover {
    transform: translateY(-3px);
    border-color: var(--color-border-strong);
    box-shadow: 0 14px 32px rgb(0 0 0 / 35%);
}

.pillar-card-ai {
    border-color: rgb(167 139 250 / 28%);
    background: linear-gradient(150deg, rgb(48 38 78 / 25%), rgb(17 22 32 / 95%));
}

.pillar-icon {
    display: grid;
    place-items: center;
    width: 2.6rem;
    height: 2.6rem;
    margin-bottom: var(--space-4);
    background: var(--color-surface-3);
    color: var(--color-accent);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1.2rem;
}

.pillar-card-ai .pillar-icon {
    color: var(--color-ai);
    border-color: rgb(167 139 250 / 30%);
}

.pillar-card h3 {
    margin: 0 0 var(--space-2);
    font-size: 1.15rem;
    font-weight: 750;
    letter-spacing: -0.015em;
    color: var(--color-text-primary);
}

.pillar-card p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 1.55;
}

/* ==========================================================================
   Alternating Feature Narrative
   ========================================================================== */

.features-narrative {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
}

.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-12);
}

.feature-block.is-reversed {
    direction: rtl;
}

.feature-block.is-reversed > * {
    direction: ltr;
}

.feature-copy {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.feature-copy h3 {
    margin: 0;
    font-size: clamp(1.6rem, 2.5vw, 2.1rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.25;
}

.feature-copy p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.65;
}

.feature-bullets {
    margin: var(--space-2) 0 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.feature-bullets li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 1.5;
}

.feature-bullets li::before {
    content: "✓";
    display: inline-grid;
    place-items: center;
    flex: 0 0 1.25rem;
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-accent);
    background: var(--color-accent-soft);
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 800;
    margin-top: 0.1rem;
}

.feature-block.is-ai .feature-bullets li::before {
    color: var(--color-ai);
    background: var(--color-ai-soft);
}

.feature-figure {
    margin: 0;
    display: flex;
    flex-direction: column;
}

.feature-figure .mockup-window {
    max-height: 34rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--color-surface-2);
}

.feature-figure .mockup-window img {
    object-fit: contain;
    max-height: 31rem;
    width: auto;
    max-width: 100%;
}

/* ==========================================================================
   Trust & Privacy Section
   ========================================================================== */

.trust-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    padding: var(--space-10);
    background: linear-gradient(150deg, rgb(23 29 41 / 70%), rgb(17 22 32 / 90%));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 36px rgb(0 0 0 / 25%);
}

.trust-copy {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.trust-copy h2 {
    margin: 0;
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.trust-copy p {
    margin: 0;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.trust-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.trust-card {
    padding: var(--space-4);
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.trust-card strong {
    display: block;
    color: var(--color-text-primary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-1);
}

.trust-card span {
    display: block;
    color: var(--color-text-secondary);
    font-size: var(--text-xs);
    line-height: 1.45;
}

/* ==========================================================================
   CTA Banner
   ========================================================================== */

.cta-banner-section {
    position: relative;
    padding: var(--space-12) var(--space-8);
    background:
        radial-gradient(ellipse at 50% 0%, rgb(77 215 232 / 18%) 0%, transparent 35rem),
        linear-gradient(160deg, rgb(23 29 41 / 95%), rgb(11 14 20 / 98%));
    border: 1px solid rgb(77 215 232 / 30%);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgb(0 0 0 / 50%), 0 0 30px rgb(77 215 232 / 12%);
    text-align: center;
}

.cta-banner-content {
    max-width: 42rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}

.cta-banner-content h2 {
    margin: 0;
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 850;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.cta-banner-content p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
}

.cta-banner-actions {
    margin-top: var(--space-4);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.landing-footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-surface-1);
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.footer-copy {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.footer-nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.footer-link {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    transition: color var(--motion-fast) var(--motion-ease);
}

.footer-link:hover {
    color: var(--color-accent);
}

/* ==========================================================================
   Cookie Notice / Banner Dark Theme Integration
   ========================================================================== */

.cookie-notice,
.cookie-consent-banner {
    position: fixed;
    right: var(--space-6);
    bottom: var(--space-6);
    z-index: 1000;
    max-width: 38rem;
    padding: var(--space-5);
    background: rgb(17 22 32 / 96%);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    box-shadow: 0 20px 45px rgb(0 0 0 / 60%), 0 0 20px rgb(77 215 232 / 10%);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.cookie-consent-content h2 {
    margin: 0 0 var(--space-2);
    color: var(--color-text-primary);
    font-size: 1.1rem;
    font-weight: 750;
}

.cookie-consent-content p {
    margin: 0 0 var(--space-4);
    line-height: 1.5;
}

.cookie-consent-content code {
    padding: 0.1rem 0.3rem;
    color: var(--color-accent);
    background: var(--color-accent-soft);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85em;
}

.cookie-consent-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-4);
}

.cookie-consent-actions a {
    color: var(--color-accent);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.cookie-consent-actions button {
    min-height: 2.3rem;
    padding: 0 var(--space-4);
    color: var(--color-canvas);
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 700;
    font-size: var(--text-sm);
    transition: background var(--motion-fast) var(--motion-ease);
}

.cookie-consent-actions button:hover {
    background: #86e7ef;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */

@media (max-width: 1024px) {
    .pillars-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-strip {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: var(--space-3) var(--space-4);
    }

    .landing-nav {
        display: none;
    }

    .landing-main {
        gap: var(--space-12);
        padding: var(--space-6) var(--space-4) var(--space-12);
    }

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

    .steps-strip {
        grid-template-columns: 1fr;
    }

    .feature-block,
    .feature-block.is-reversed {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        direction: ltr;
    }

    .trust-section {
        grid-template-columns: 1fr;
        padding: var(--space-6);
    }

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

    .cookie-notice,
    .cookie-consent-banner {
        right: var(--space-3);
        bottom: var(--space-3);
        left: var(--space-3);
        max-width: none;
    }

    .footer-container {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }
}

@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;
    }
}