/* ============================================
   UserShell — CRO Site
   Boutique. Dark. Technical without trying too hard.
   ============================================ */

/* Variables */
:root {
    --navy: #0A1628;
    --navy-light: #111D32;
    --navy-mid: #162240;
    --surface: #0D1B2E;
    --surface-raised: #132337;
    --surface-border: #1E3350;

    --accent: #90B0C8;
    --accent-dim: #7A9AB5;
    --accent-glow: rgba(144, 176, 200, 0.10);
    --accent-glass: rgba(144, 176, 200, 0.12);
    --accent-glass-border: rgba(144, 176, 200, 0.20);

    --amber: #E8A040;
    --red-soft: #E06060;

    --text-primary: #E8EDF4;
    --text-secondary: #8A9BB8;
    --text-muted: #5A6E8A;

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

    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --container-max: 1200px;
    --content-max: 780px;

    --transition: 200ms ease;
}

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

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

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--navy);
    overflow-x: hidden;
}

::selection {
    background: var(--accent);
    color: var(--navy);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* Container & Layout */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

.container.content-width {
    max-width: calc(var(--content-max) + 4rem);
}

.container.wide {
    max-width: var(--container-max);
}

/* Typography */
h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1.0625rem; font-weight: 600; }

.prose p {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.prose p strong {
    color: var(--text-primary);
    font-weight: 600;
}

.prose p em {
    color: var(--accent);
    font-style: normal;
}

.mono {
    font-family: var(--font-mono);
    font-size: 0.875em;
    color: var(--text-muted);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 22, 40, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--surface-border);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.125rem;
}

.logo-header {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.logo-text,
.logo-wordmark {
    letter-spacing: 0.15em;
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
}

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

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

.nav-actions .btn {
    font-size: 0.8125rem;
    padding: 0.5rem 1rem;
}

/* Mobile menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    padding: var(--space-lg);
    border-top: 1px solid var(--surface-border);
}

.mobile-menu.active {
    display: block;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.mobile-nav-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: var(--space-sm) 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: rgba(144, 176, 200, 0.18);
    color: var(--accent);
    border: 1px solid var(--accent-glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.btn-primary:hover {
    background: rgba(144, 176, 200, 0.28);
    border-color: var(--accent-dim);
    color: #C8DCE8;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--surface-border);
}

.btn-ghost:hover {
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-large {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* Sections */
.section {
    padding: var(--space-4xl) 0;
}

.section-dark {
    background: var(--surface);
}

.section-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-md);
}

.section-title {
    margin-bottom: var(--space-xl);
}

/* Hero */
.hero {
    padding: 10rem 0 var(--space-4xl);
    min-height: 85vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero .container {
    width: 100%;
}

.hero-layout {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.hero-content {
    max-width: 600px;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    position: relative;
    margin-left: -80px;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    opacity: 0.55;
}

.hero-title {
    margin-bottom: var(--space-xl);
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent) 0%, #B8CED8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    max-width: 640px;
}

.hero-description strong {
    color: var(--text-primary);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
    flex-wrap: wrap;
    align-items: center;
}

.hero-actions .btn {
    width: auto;
}

/* Reality Grid (Assumption vs Reality) */
.reality-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin: var(--space-2xl) 0;
}

.reality-card {
    padding: var(--space-lg);
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
}

.reality-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.reality-header {
    margin-bottom: var(--space-sm);
}

.reality-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.reality-badge.assumption {
    color: var(--text-muted);
    background: rgba(90, 110, 138, 0.15);
}

.reality-badge.reality {
    color: var(--amber);
    background: rgba(232, 160, 64, 0.12);
}

/* Callout */
.callout {
    margin-top: var(--space-2xl);
    padding: var(--space-lg);
    border-left: 2px solid var(--accent-dim);
    background: var(--accent-glass);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.callout p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin: 0;
}

/* Pillars */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.pillar-card {
    padding: var(--space-xl);
    background: var(--navy);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
}

.pillar-number {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: var(--space-md);
}

.pillar-card h3 {
    margin-bottom: var(--space-sm);
}

.pillar-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.pillar-question {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--accent-dim);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--surface-border);
}

/* Deliverables */
.deliverables-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.deliverable {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
}

.deliverable-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glass);
    border: 1px solid var(--accent-glass-border);
    border-radius: var(--radius-md);
    color: var(--accent);
}

.deliverable h4 {
    margin-bottom: var(--space-xs);
}

.deliverable p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Phases (How It Works) */
.phases {
    margin-top: var(--space-2xl);
}

.phase {
    display: flex;
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.phase:last-child {
    margin-bottom: 0;
}

.phase-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.phase-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glass);
    border: 1px solid var(--accent-glass-border);
    color: var(--accent);
    font-weight: 700;
    font-size: 1rem;
    border-radius: 50%;
}

.phase-line {
    flex: 1;
    width: 2px;
    background: var(--surface-border);
    margin-top: var(--space-sm);
}

.phase-content h3 {
    font-size: 1.375rem;
    margin-bottom: var(--space-xs);
}

.phase-meta {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

.phase-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

/* Risk Block */
.risk-block {
    padding: var(--space-3xl);
    background: linear-gradient(135deg, var(--surface) 0%, var(--navy-mid) 100%);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    text-align: center;
}

.risk-block h2 {
    margin-bottom: var(--space-lg);
}

.risk-block > p {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.risk-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin: var(--space-2xl) 0;
}

.risk-stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.risk-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.02em;
}

.risk-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Pricing Bands */
.pricing-bands {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.pricing-band {
    padding: var(--space-xl);
    background: var(--navy);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
}

.band-header {
    margin-bottom: var(--space-lg);
}

.band-header h3 {
    margin-bottom: var(--space-xs);
}

.band-description {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.band-price {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--surface-border);
}

.price-range {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
}

.price-note {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.band-includes {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    flex: 1;
}

.band-includes li {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    padding-left: 1.25rem;
    position: relative;
}

.band-includes li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 0.75rem;
}

.pricing-note {
    margin-top: var(--space-xl);
}

.pricing-note p {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}

.pricing-note p strong {
    color: var(--text-secondary);
}

/* Not List */
.not-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-2xl);
}

.not-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.not-x {
    color: var(--red-soft);
    font-size: 1.125rem;
    font-weight: 600;
    flex-shrink: 0;
}

/* Intake Form */
.intake-form {
    margin-top: var(--space-2xl);
    max-width: 560px;
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.form-group label .optional {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--text-primary);
    background: var(--navy);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235A6E8A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.form-group select option {
    background: var(--navy);
    color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-divider {
    height: 1px;
    background: var(--surface-border);
    margin: var(--space-2xl) 0;
}

.form-footnote {
    margin-top: var(--space-lg);
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.6;
}

/* Form submitted state */
.form-success {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
}

.form-success h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    color: var(--accent);
}

.form-success p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

/* Footer */
.footer {
    padding: var(--space-3xl) var(--space-lg) var(--space-xl);
    border-top: 1px solid var(--surface-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-2xl);
}

.footer-tagline {
    margin-top: var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-link {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color var(--transition);
}

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

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--surface-border);
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Desktop nav visible by default, hidden on mobile */
@media (min-width: 769px) {
    .mobile-menu-btn {
        display: none !important;
    }

    .nav-links {
        display: flex !important;
    }
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --space-4xl: 4rem;
    }

    .navbar-content {
        flex-wrap: wrap;
        height: auto;
        padding-top: var(--space-sm);
        padding-bottom: var(--space-sm);
    }

    .logo {
        width: 100%;
        justify-content: center;
        margin-bottom: var(--space-xs);
    }

    .nav-actions {
        margin-left: auto;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding-top: 7rem;
        min-height: auto;
    }

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

    .hero-image {
        margin-top: var(--space-md);
        margin-bottom: calc(-1 * var(--space-xl));
        margin-left: 0;
        justify-content: center;
    }

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

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

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

    .risk-stats {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .not-list {
        grid-template-columns: 1fr;
    }

    .phase {
        gap: var(--space-md);
    }

    .deliverable {
        flex-direction: column;
        gap: var(--space-md);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-xl);
    }

    .risk-block {
        padding: var(--space-xl);
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .pillars-grid {
        grid-template-columns: 1fr;
    }

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