/* ============================================================
   marketing.css
   Public-facing marketing pages: Home, Features, Demo, Contact, Blog
   Extends the design tokens already used in main.css / main-dashboard.css
   — same gradient brand identity, same button/card/shadow language —
   built out for landing-page patterns (hero, feature grid, CTA bands)
   that don't exist in the app CSS.

   Place at: assets/css/marketing.css
   Include AFTER main.css:
     <link rel="stylesheet" href="assets/css/main.css">
     <link rel="stylesheet" href="assets/css/marketing.css">
   ============================================================ */

:root {
    /* Reuse existing brand tokens exactly */
    --primary: #667eea;
    --primary-dark: #5568d3;
    --secondary: #764ba2;
    --primary-blue: #2563eb;
    --primary-blue-dark: #1e40af;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-900: #111827;

    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);

    --radius: 12px;
    --radius-lg: 16px;
    --transition: 250ms cubic-bezier(.4,0,.2,1);
}

/* ── Public header (distinct from in-app top-nav) ── */
.pub-header {
    position: sticky;
    top: 0;
    z-index: 500;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(0,0,0,.06);
}

.pub-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.pub-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--gray-900);
    text-decoration: none;
}

.pub-logo .logo-mark {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
}

.pub-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.pub-nav::-webkit-scrollbar { display: none; }

.pub-nav a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 600;
    font-size: .9rem;
    white-space: nowrap;
    padding: 8px 14px;
    border-radius: 8px;
    transition: all var(--transition);
    flex-shrink: 0;
}

.pub-nav a:hover { background: var(--gray-100); color: var(--primary); }

.pub-nav a.active {
    color: var(--primary);
    background: #f0f0ff;
}

.pub-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-ghost {
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 600;
    font-size: .9rem;
    color: var(--gray-700);
    text-decoration: none;
    transition: background var(--transition);
}

.btn-ghost:hover { background: var(--gray-100); }

.btn-gradient {
    padding: 11px 22px;
    border-radius: 8px;
    font-weight: 700;
    font-size: .9rem;
    color: white;
    text-decoration: none;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: 0 4px 15px rgba(102,126,234,.3);
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102,126,234,.4);
}

/* ── Hero ── */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 96px 24px 110px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-inner {
    max-width: 780px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.15);
    border: 1px solid rgba(255,255,255,.3);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: .85rem;
    font-weight: 600;
    margin-bottom: 24px;
    backdrop-filter: blur(6px);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,.1);
}

.hero p.lead {
    font-size: 1.2rem;
    opacity: .92;
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-hero-primary {
    background: white;
    color: var(--primary-dark);
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition);
}

.btn-hero-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-xl); }

.btn-hero-secondary {
    background: rgba(255,255,255,.12);
    border: 1.5px solid rgba(255,255,255,.5);
    color: white;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    backdrop-filter: blur(6px);
    transition: all var(--transition);
}

.btn-hero-secondary:hover { background: rgba(255,255,255,.22); }

/* decorative float shapes */
.hero::before, .hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
}
.hero::before { width: 300px; height: 300px; top: -120px; left: -80px; }
.hero::after { width: 220px; height: 220px; bottom: -100px; right: -60px; }

/* ── Section wrapper ── */
.section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px;
}

.section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 56px;
}

.section-eyebrow {
    color: var(--primary);
    font-weight: 700;
    font-size: .85rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 12px;
    display: block;
}

.section-head h2 {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 14px;
}

.section-head p {
    color: var(--gray-600);
    font-size: 1.05rem;
    line-height: 1.6;
}

/* ── Problem/solution strip ── */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.problem-card {
    background: white;
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-md);
    border-top: 3px solid var(--primary);
}

.problem-card .p-icon { font-size: 1.8rem; margin-bottom: 14px; display: block; }
.problem-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.problem-card p { color: var(--gray-600); font-size: .92rem; line-height: 1.55; }

/* ── Feature preview grid ── */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.feature-tile {
    background: white;
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: var(--shadow-md);
    text-decoration: none;
    display: block;
    transition: all var(--transition);
    border: 1px solid var(--gray-200);
}

.feature-tile:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.feature-tile .f-icon {
    width: 48px; height: 48px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: white;
    margin-bottom: 16px;
}

.feature-tile h3 { font-size: 1.05rem; font-weight: 700; color: var(--gray-900); margin-bottom: 6px; }
.feature-tile p { color: var(--gray-600); font-size: .88rem; line-height: 1.5; margin: 0; }

/* ── How it works (numbered steps: real sequence, so numbers earn their keep) ── */
.steps-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
    counter-reset: step;
}

.step-item { text-align: center; position: relative; }

.step-num {
    width: 52px; height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 1.2rem;
    margin: 0 auto 16px;
    box-shadow: var(--shadow-md);
}

.step-item h3 { font-size: 1.05rem; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.step-item p { color: var(--gray-600); font-size: .9rem; line-height: 1.5; }

/* ── Testimonial strip ── */
.testimonial-card {
    background: linear-gradient(135deg, #f5f3ff, #ede9fe);
    border-radius: var(--radius-lg);
    padding: 44px;
    text-align: center;
    max-width: 780px;
    margin: 0 auto;
}

.testimonial-card p.quote {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--gray-900);
    line-height: 1.6;
    margin-bottom: 20px;
}

.testimonial-author { font-weight: 700; color: var(--gray-900); }
.testimonial-role { color: var(--gray-600); font-size: .88rem; }

/* ── App callout ── */
.app-callout {
    background: var(--gray-900);
    border-radius: var(--radius-lg);
    padding: 56px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
    color: white;
}

.app-callout-text h2 { font-size: 1.6rem; font-weight: 800; margin-bottom: 10px; }
.app-callout-text p { color: var(--gray-300); font-size: .98rem; max-width: 420px; }

/* ── Final CTA band ── */
.cta-band {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-lg);
    padding: 64px 40px;
    text-align: center;
    color: white;
    max-width: 1200px;
    margin: 0 24px 80px;
    margin-left: auto;
    margin-right: auto;
}

.cta-band h2 { font-size: 1.9rem; font-weight: 800; margin-bottom: 14px; }
.cta-band p { opacity: .92; margin-bottom: 30px; font-size: 1.05rem; }

/* ── Feature detail blocks (Features page) ── */
.feature-block {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 28px;
    padding: 36px 0;
    border-bottom: 1px solid var(--gray-200);
    align-items: start;
}

.feature-block:last-child { border-bottom: none; }

.feature-block-icon {
    width: 64px; height: 64px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.7rem; color: white;
    box-shadow: var(--shadow-md);
}

.feature-block h3 { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.feature-block p.desc { color: var(--gray-600); font-size: .98rem; line-height: 1.6; margin-bottom: 14px; max-width: 640px; }

.feature-block ul.highlights {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 8px 20px;
    max-width: 720px;
}

.feature-block ul.highlights li {
    color: var(--gray-700);
    font-size: .9rem;
    padding-left: 22px;
    position: relative;
}

.feature-block ul.highlights li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.feature-category-label {
    color: var(--primary);
    font-weight: 700;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    margin: 56px 0 8px;
}

.feature-category-label:first-of-type { margin-top: 0; }

@media (max-width: 640px) {
    .feature-block { grid-template-columns: 56px 1fr; gap: 18px; }
    .feature-block-icon { width: 48px; height: 48px; font-size: 1.3rem; border-radius: 10px; }
}

/* ── Blog: listing ── */
.blog-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 36px;
}

.blog-categories {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.cat-pill {
    padding: 7px 16px;
    border-radius: 20px;
    background: var(--gray-100);
    color: var(--gray-700);
    font-size: .85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
}

.cat-pill:hover { background: var(--gray-200); }
.cat-pill.active { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: white; }

.lang-toggle {
    display: flex;
    background: var(--gray-100);
    border-radius: 20px;
    padding: 3px;
    gap: 2px;
}

.lang-toggle a {
    padding: 6px 14px;
    border-radius: 16px;
    font-size: .82rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--gray-600);
    transition: all var(--transition);
}

.lang-toggle a.active { background: white; color: var(--primary); box-shadow: var(--shadow-md); }

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.blog-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    transition: all var(--transition);
}

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

.blog-card-cover {
    height: 140px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem;
}

.blog-card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }

.blog-card .cat-label {
    color: var(--primary);
    font-weight: 700;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: 10px;
}

.blog-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; line-height: 1.4; }
.blog-card p { color: var(--gray-600); font-size: .9rem; line-height: 1.55; flex: 1; margin-bottom: 14px; }
.blog-card .blog-meta { font-size: .78rem; color: var(--gray-500); }

.blog-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-500);
    grid-column: 1 / -1;
}

/* ── Blog: single post ── */
.post-header { max-width: 760px; margin: 0 auto 40px; text-align: center; }
.post-header .cat-label { color: var(--primary); font-weight: 700; font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 14px; display: block; }
.post-header h1 { font-size: 2.1rem; font-weight: 800; color: var(--gray-900); margin-bottom: 16px; line-height: 1.25; }
.post-header .blog-meta { color: var(--gray-500); font-size: .9rem; }

.post-body {
    max-width: 720px;
    margin: 0 auto;
    color: var(--gray-700);
    font-size: 1.05rem;
    line-height: 1.8;
}

.post-body h3 { font-size: 1.3rem; font-weight: 700; color: var(--gray-900); margin: 32px 0 12px; }
.post-body p { margin-bottom: 18px; }
.post-body ul, .post-body ol { margin: 0 0 18px 24px; }

.post-cta {
    max-width: 720px;
    margin: 48px auto 0;
    background: linear-gradient(135deg, #f5f3ff, #ede9fe);
    border-radius: var(--radius);
    padding: 28px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.post-cta p { margin: 0; font-weight: 600; color: var(--gray-900); }

.related-posts { max-width: 900px; margin: 64px auto 0; }
.related-posts h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 20px; text-align: center; }

.pub-footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 60px 24px 28px;
}

.pub-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 40px;
}

.pub-footer h4 { color: white; font-size: .92rem; font-weight: 700; margin-bottom: 16px; }
.pub-footer a { color: var(--gray-300); text-decoration: none; font-size: .88rem; display: block; margin-bottom: 10px; transition: color var(--transition); }
.pub-footer a:hover { color: white; }
.pub-footer .foot-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: white; font-size: 1.15rem; margin-bottom: 14px; }
.pub-footer .foot-desc { font-size: .88rem; line-height: 1.6; color: var(--gray-500); max-width: 280px; }

.pub-footer-bottom {
    max-width: 1200px;
    margin: 40px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,.1);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: .82rem;
    color: var(--gray-500);
}

/* ── Responsive ── */
@media (max-width: 900px) {
    .hero h1 { font-size: 2.2rem; }
    .app-callout { flex-direction: column; text-align: center; }
    .pub-footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
    /* Header wraps to two rows: logo+actions on top, tabs full-width below */
    .pub-header-inner { padding: 12px 16px; gap: 10px; }
    .pub-nav {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        border-top: 1px solid var(--gray-200);
        padding-top: 8px;
    }
    .pub-nav a { padding: 8px 12px; font-size: .85rem; }
    .pub-actions { gap: 8px; }
    .btn-ghost, .btn-gradient { padding: 9px 14px; font-size: .85rem; }
}

@media (max-width: 560px) {
    .hero { padding: 64px 20px 80px; }
    .hero h1 { font-size: 1.85rem; }
    .hero p.lead { font-size: 1.02rem; }
    .section { padding: 56px 20px; }
    .cta-band { padding: 44px 24px; margin: 0 16px 56px; }
    .pub-footer-inner { grid-template-columns: 1fr; }
}