/* ============================================================
   CoreJail — Site Stylesheet
   Standalone CSS (no NuGet component library dependency)
   ============================================================ */

/* --- CSS Custom Properties (CoreJail orange theme) --- */
:root {
    /* Typography */
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Dark structure */
    --color-1: #f97316;     /* brand orange (headlines accent) */
    --color-2: #4a4a5a;     /* secondary dark */
    --color-3: #3a3a4a;     /* primary body text */
    --color-4: #6e6e82;     /* secondary text */

    /* Light surfaces */
    --color-5: #ffffff;
    --color-6: #f6f6f6;     /* light section background */
    --color-7: #fde8d3;     /* soft warm surface */
    --color-8: rgba(31, 22, 15, 0.08);

    /* Accents */
    --color-9: #fb923c;     /* soft secondary orange */
    --color-10: #f97316;    /* primary brand orange */

    /* Muted support */
    --color-11: #9a9aad;
    --color-12: #f6f6f6;

    /* Buttons */
    --btn-primary-bg: #f97316;
    --btn-primary-bg-hover: #ea6a10;
    --btn-primary-text: #ffffff;
    --btn-primary-border: #f97316;
    --btn-outline-bg: transparent;
    --btn-outline-text: #f97316;
    --btn-outline-border: #f97316;
    --btn-outline-hover-bg: rgba(249, 115, 22, 0.08);

    /* Footer */
    --footer-bg: #1a1a1a;
    --footer-text: #cccccc;
    --footer-heading: #ffffff;
    --footer-link: #aaaaaa;
    --footer-link-hover: #ffffff;
    --footer-divider: #333333;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--color-3);
    background: var(--color-5);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--color-10);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--btn-primary-bg-hover);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-3);
    letter-spacing: -0.01em;
}

ul {
    list-style: none;
}

/* --- Skip Link (a11y) --- */
.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    background: var(--color-10);
    color: #fff;
    padding: 8px 16px;
    border-radius: 4px;
    z-index: 10000;
    font-size: 0.875rem;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 8px;
}

/* --- Container --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 12px 28px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--btn-primary-bg-hover);
    color: var(--btn-primary-text);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(249, 115, 22, 0.3);
}

.btn-outline {
    background: var(--btn-outline-bg);
    color: var(--btn-outline-text);
    border: 2px solid var(--btn-outline-border);
}

.btn-outline:hover {
    background: var(--btn-outline-hover-bg);
    color: var(--btn-outline-text);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.0625rem;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #ffffff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
    height: 72px;
}

.nav > .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo img {
    height: 36px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: #4a4a5a;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--color-10);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Hamburger */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-3);
    border-radius: 2px;
    transition: all 0.3s;
}

.nav-hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.open span:nth-child(2) {
    opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
    display: none;
    background: var(--color-5);
    border-top: 1px solid var(--color-8);
    padding: 16px 24px 24px;
}

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

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mobile-menu a {
    color: #4a4a5a;
    font-size: 1rem;
    font-weight: 500;
}

.mobile-menu a:hover {
    color: var(--color-10);
}

.mobile-menu a.btn-primary {
    color: #ffffff;
}

.mobile-menu a.btn-primary:hover {
    color: #ffffff;
}

.mobile-menu a.btn-outline {
    color: var(--color-10);
}

.mobile-menu a.btn-outline:hover {
    color: var(--color-10);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    padding: 160px 0 100px;
    background: var(--color-12);
}

.hero .container {
    text-align: center;
    max-width: 820px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.1875rem;
    color: var(--color-4);
    margin-bottom: 36px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

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

/* ============================================================
   SECTIONS (generic)
   ============================================================ */
.section {
    padding: 96px 0;
}

.section-alt {
    background: var(--color-6);
}

.section-dark {
    background: var(--color-3);
    color: var(--color-5);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-header .label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-10);
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.0625rem;
    color: var(--color-4);
    line-height: 1.7;
}

/* --- Section Divider --- */
.section-divider {
    border: none;
    border-top: 1px solid #e1e1e1;
    margin: 0;
}

/* ============================================================
   PROBLEM ITEMS
   ============================================================ */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}

.problem-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #ffffff;
    border: 1px solid #e2e2ea;
    border-radius: 12px;
    padding: 20px 24px;
}

.problem-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-10);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
}

.problem-text {
    font-size: 0.9375rem;
    color: #3e3e3e;
    line-height: 1.5;
}

/* ============================================================
   CARDS — Icon Cards (Card1 style — 3-column features)
   ============================================================ */
.cards-grid {
    display: grid;
    gap: 24px;
}

.cards-grid.cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.cards-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.cards-grid.cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

.card {
    background: var(--color-5);
    border-radius: 12px;
    padding: 32px;
    border: 1px solid #e2e2ea;
    transition: all 0.2s ease;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--color-10);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
}

.card p {
    font-size: 0.9375rem;
    color: var(--color-4);
    line-height: 1.65;
}

/* ============================================================
   CARDS — Compact icon cards (Card2 style — 4-column how-it-works)
   ============================================================ */
.card-compact {
    text-align: center;
    background: var(--color-5);
    border-radius: 12px;
    padding: 32px 24px;
    border: 1px solid #e2e2ea;
    transition: all 0.2s ease;
}

.card-compact:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.card-compact .card-icon {
    margin: 0 auto 20px;
}

.card-compact h3 {
    font-size: 1.0625rem;
    margin-bottom: 10px;
}

.card-compact p {
    font-size: 0.9375rem;
    color: var(--color-4);
    line-height: 1.6;
}

/* ============================================================
   USE CASES / CHECKLISTS
   ============================================================ */
.usecases-layout {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

.usecases-lists {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    width: 100%;
    max-width: 900px;
}

.usecase-list {
    display: contents;
}

.usecase-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #ffffff;
    border: 1px solid #e2e2ea;
    border-radius: 10px;
    padding: 18px 20px;
    font-size: 0.9375rem;
    color: #3e3e3e;
    line-height: 1.5;
    min-height: 72px;
}

.usecase-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-10);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

/* ============================================================
   PRICING CARDS
   ============================================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 820px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--color-5);
    border-radius: 12px;
    padding: 40px 32px;
    border: 1px solid #e2e2ea;
    display: flex;
    flex-direction: column;
    transition: all 0.2s ease;
}

.pricing-card.highlight {
    border-color: var(--color-10);
}

.pricing-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.pricing-plan {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-price {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-3);
    margin-bottom: 4px;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-4);
}

.pricing-extra {
    font-size: 0.875rem;
    color: var(--color-4);
    margin-bottom: 24px;
    line-height: 1.5;
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
    flex-grow: 1;
}

.pricing-feature {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9375rem;
    color: var(--color-3);
}

.pricing-feature i {
    color: #22c55e;
    margin-top: 3px;
    flex-shrink: 0;
}

.pricing-card .btn {
    width: 100%;
}

/* ============================================================
   COMPARISON TABLE
   ============================================================ */
.comparison-wrapper {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
    max-width: 820px;
    margin: 0 auto;
}

.comparison-table th {
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 16px 20px;
    text-align: center;
    border-bottom: 2px solid #e1e1e1;
    font-size: 1rem;
}

.comparison-table th:first-child {
    text-align: left;
}

.comparison-table th.highlight {
    color: var(--color-10);
}

.comparison-table td {
    padding: 14px 20px;
    text-align: center;
    border-bottom: 1px solid #f0f0f0;
}

.comparison-table td:first-child {
    text-align: left;
    color: var(--color-3);
    font-weight: 500;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.check-green {
    color: #22c55e;
    font-size: 1.125rem;
}

.check-red {
    color: #ef4444;
    font-size: 1.125rem;
}

/* ============================================================
   DEMO / CONTACT FORM SECTION
   ============================================================ */
.demo-section {
    padding: 96px 0;
    background: var(--color-6);
}

.demo-content {
    max-width: 640px;
    margin: 0 auto;
}

.demo-content h2 {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 8px;
}

.demo-content > p {
    text-align: center;
    color: var(--color-4);
    margin-bottom: 32px;
    font-size: 1.0625rem;
}

.demo-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-3);
}

.form-group input,
.form-group textarea,
.form-group select {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: var(--color-5);
    color: var(--color-3);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-10);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-message {
    text-align: center;
    font-size: 0.9375rem;
    padding: 8px;
    border-radius: 6px;
    display: none;
}

.form-message.success {
    color: #166534;
    background: #dcfce7;
}

.form-message.error {
    color: #991b1b;
    background: #fee2e2;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
    padding: 80px 0;
    background: var(--color-3);
    text-align: center;
}

.cta-banner h2 {
    color: var(--color-5);
    font-size: 2.25rem;
    margin-bottom: 16px;
}

.cta-banner p {
    color: var(--color-11);
    font-size: 1.125rem;
    margin-bottom: 32px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* ============================================================
   NEWSLETTER
   ============================================================ */
.newsletter-section {
    padding: 64px 0;
    background: var(--footer-bg);
    text-align: center;
}

.newsletter-content h2 {
    color: var(--footer-heading);
    font-size: 1.75rem;
    margin-bottom: 10px;
}

.newsletter-content p {
    color: var(--footer-text);
    font-size: 1rem;
    margin-bottom: 24px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form {
    display: flex;
    gap: 12px;
    max-width: 480px;
    margin: 0 auto;
    justify-content: center;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 12px 16px;
    font-size: 0.9375rem;
    font-family: var(--font-body);
    border: 1px solid #444;
    border-radius: 8px;
    background: #2a2a2a;
    color: #ffffff;
}

.newsletter-form input[type="email"]::placeholder {
    color: #888;
}

.newsletter-form input[type="email"]:focus {
    outline: none;
    border-color: var(--color-10);
}

.newsletter-message {
    margin-top: 12px;
    font-size: 0.875rem;
    padding: 8px;
    border-radius: 6px;
}

.newsletter-message.success {
    color: #bbf7d0;
}

.newsletter-message.error {
    color: #fca5a5;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer-divider {
    height: 1px;
    background: var(--footer-divider);
}

.footer {
    background: var(--footer-bg);
    padding: 48px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    height: 32px;
    width: auto;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--footer-text);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer h5 {
    color: var(--footer-heading);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.footer ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer a {
    color: var(--footer-link);
    font-size: 0.875rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    border-top: 1px solid var(--footer-divider);
    padding-top: 24px;
    font-size: 0.8125rem;
    color: var(--footer-text);
    text-align: center;
}

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
    background: var(--color-3);
    padding: 32px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-11);
    font-weight: 500;
}

/* ============================================================
   FEATURE BLOCKS (alternating icon + text rows)
   ============================================================ */
.feature-blocks {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.feature-block {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    background: var(--color-5);
    border: 1px solid #e2e2ea;
    border-radius: 12px;
    padding: 32px;
    transition: all 0.2s ease;
}

.feature-block:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.feature-block-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--color-10);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.feature-block-content h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.feature-block-content p {
    font-size: 0.9375rem;
    color: var(--color-4);
    line-height: 1.65;
}

/* ============================================================
   FIT / QUALIFYING GRID
   ============================================================ */
.fit-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}

.fit-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--color-5);
    border: 1px solid #e2e2ea;
    border-radius: 10px;
    padding: 20px 24px;
    min-height: 72px;
}

.fit-icon {
    flex-shrink: 0;
    color: #22c55e;
    font-size: 1.25rem;
    margin-top: 2px;
}

.fit-item p {
    font-size: 0.9375rem;
    color: #3e3e3e;
    line-height: 1.5;
}

/* ============================================================
   PROBLEM X ICONS (for problem checklist variant)
   ============================================================ */
.usecase-icon.problem-x {
    background: #ef4444;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .cards-grid.cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-right {
        display: none;
    }

    .nav-hamburger {
        display: flex;
    }

    .hero {
        padding: 120px 0 64px;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section {
        padding: 64px 0;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

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

    .cards-grid.cols-2,
    .cards-grid.cols-3,
    .cards-grid.cols-4 {
        grid-template-columns: 1fr;
    }

    .usecases-lists {
        grid-template-columns: 1fr;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .feature-block {
        flex-direction: column;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .comparison-table {
        font-size: 0.8125rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 10px 12px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.875rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .pricing-price {
        font-size: 1.875rem;
    }

    .container {
        padding: 0 16px;
    }
}