/* ========================================================================
   intro.html — Landing page (Claude UI inspired)
   - Warm cream background, coral accents, generous radii
   - Hero with coral gradient, CTA cards, responsive grid
   ======================================================================== */

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

body {
    font-family: var(--mk-font-sans);
    line-height: 1.6;
    color: var(--mk-color-text);
    background: var(--mk-color-bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ---------- Navbar ---------- */
.navbar {
    background: rgba(250, 249, 245, 0.92);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--mk-color-border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.875rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.nav-logo .logo-text {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    background: var(--mk-color-brand-500);
    border-radius: var(--mk-radius-md);
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--mk-color-text-on-brand);
    letter-spacing: -0.02em;
}
.nav-links {
    display: flex;
    gap: 1.75rem;
    align-items: center;
}
.nav-link {
    text-decoration: none;
    color: var(--mk-color-text-muted);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--mk-motion-duration-base) var(--mk-motion-ease-standard);
}
.nav-link:hover,
.nav-link.active { color: var(--mk-color-brand-500); }
.nav-link-cta {
    padding: 0.4375rem 0.875rem;
    border: 1px solid var(--mk-color-brand-500);
    color: var(--mk-color-brand-500);
    border-radius: var(--mk-radius-md, 10px);
    transition: background var(--mk-motion-duration-base) var(--mk-motion-ease-standard), color var(--mk-motion-duration-base) var(--mk-motion-ease-standard);
}
.nav-link-cta:hover {
    background: var(--mk-color-brand-500);
    color: #fff;
}

/* ---------- Hero ---------- */
.hero {
    background:
        radial-gradient(circle at 20% 0%, rgba(201, 100, 66, 0.08) 0%, transparent 55%),
        radial-gradient(circle at 80% 100%, rgba(217, 138, 108, 0.10) 0%, transparent 55%),
        var(--mk-color-bg);
    color: var(--mk-color-text);
    padding: clamp(80px, 8vw + 60px, 140px) 0 clamp(60px, 6vw + 40px, 100px);
    margin-top: 64px;
    border-bottom: 1px solid var(--mk-color-border);
}
.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}
.hero-title {
    font-size: clamp(2rem, 1rem + 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.025em;
    margin-bottom: 1.25rem;
    color: var(--mk-color-text);
}
.highlight {
    color: var(--mk-color-brand-500);
    text-decoration: none;
    background: linear-gradient(180deg, transparent 65%, rgba(201, 100, 66, 0.18) 65%);
    padding: 0 0.125em;
    border-radius: 4px;
}
.hero-subtitle {
    font-size: clamp(1rem, 0.875rem + 0.4vw, 1.1875rem);
    margin-bottom: 2rem;
    color: var(--mk-color-text-muted);
    max-width: 560px;
}
.hero-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn-primary {
    background: var(--mk-color-brand-500);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: var(--mk-radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: background var(--mk-motion-duration-base) var(--mk-motion-ease-standard),
                transform var(--mk-motion-duration-base) var(--mk-motion-ease-standard),
                box-shadow var(--mk-motion-duration-base) var(--mk-motion-ease-standard);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--mk-color-brand-500);
}
.btn-primary:hover {
    background: var(--mk-color-brand-600);
    border-color: var(--mk-color-brand-600);
    transform: translateY(-1px);
    box-shadow: var(--mk-shadow-md);
}
.btn-secondary {
    background: transparent;
    color: var(--mk-color-text);
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--mk-color-border-strong);
    border-radius: var(--mk-radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all var(--mk-motion-duration-base) var(--mk-motion-ease-standard);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.btn-secondary:hover {
    border-color: var(--mk-color-brand-500);
    color: var(--mk-color-brand-500);
    background: var(--mk-color-bg-subtle);
}
.btn-outline {
    background: transparent;
    color: #fff;
    padding: 0.75rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--mk-radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all var(--mk-motion-duration-base) var(--mk-motion-ease-standard);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.btn-outline:hover {
    background: #fff;
    color: var(--mk-color-brand-700);
    border-color: #fff;
}
.large {
    padding: 0.9375rem 2rem;
    font-size: 1rem;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

/* ---------- Demo mockup ---------- */
.demo-mockup {
    background: var(--mk-color-bg-subtle);
    border: 1px solid var(--mk-color-border);
    border-radius: var(--mk-radius-xl);
    box-shadow: var(--mk-shadow-lg);
    overflow: hidden;
    max-width: 520px;
    width: 100%;
}
.mockup-header {
    background: var(--mk-color-bg);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.875rem;
    border-bottom: 1px solid var(--mk-color-border);
}
.mockup-dots { display: flex; gap: 0.375rem; }
.mockup-dots span {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--mk-color-border);
}
.mockup-dots span:first-child { background: #ef4444; }
.mockup-dots span:nth-child(2) { background: #eab308; }
.mockup-dots span:last-child { background: #10b981; }
.mockup-title {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--mk-color-text-muted);
}
.mockup-content { padding: 1rem; }
.mockup-content img {
    width: 100%;
    height: auto;
    border-radius: var(--mk-radius-md);
}

/* ---------- Sections ---------- */
.problems {
    padding: clamp(64px, 8vw, 96px) 0;
    background: var(--mk-color-bg-subtle);
}
.solution,
.results {
    padding: clamp(64px, 8vw, 96px) 0;
    background: var(--mk-color-bg);
}
.section-title {
    text-align: center;
    font-size: clamp(1.75rem, 1.2rem + 1.6vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--mk-color-text);
    letter-spacing: -0.02em;
}
.section-subtitle {
    text-align: center;
    max-width: 640px;
    margin: -1.75rem auto 3rem;
    color: var(--mk-color-text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

/* ---------- Problem cards ---------- */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}
.problem-card {
    background: var(--mk-color-bg);
    padding: 1.75rem;
    border-radius: var(--mk-radius-xl);
    text-align: center;
    border: 1px solid var(--mk-color-border);
    transition: transform var(--mk-motion-duration-slow) var(--mk-motion-ease-standard),
                box-shadow var(--mk-motion-duration-slow) var(--mk-motion-ease-standard),
                border-color var(--mk-motion-duration-slow) var(--mk-motion-ease-standard);
}
.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--mk-shadow-md);
    border-color: var(--mk-color-brand-400);
}
.problem-icon {
    font-size: 2.5rem;
    margin-bottom: 0.875rem;
}
.problem-card h3 {
    font-size: 1.1875rem;
    font-weight: 600;
    margin-bottom: 0.625rem;
    color: var(--mk-color-text);
    letter-spacing: -0.01em;
}
.problem-card p {
    color: var(--mk-color-text-muted);
    line-height: 1.6;
    font-size: 0.9375rem;
    margin-bottom: 1.25rem;
}
.problem-card .btn-secondary {
    padding: 0.5rem 1.125rem;
    font-size: 0.875rem;
}

/* ---------- Solution ---------- */
.solution-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}
.solution-text h3 {
    font-size: clamp(1.5rem, 1rem + 1.4vw, 2rem);
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--mk-color-text);
    letter-spacing: -0.02em;
}
.solution-text p {
    font-size: 1.0625rem;
    color: var(--mk-color-text-muted);
    margin-bottom: 1.75rem;
    line-height: 1.7;
}
.solution-features { list-style: none; }
.solution-features li {
    padding: 0.5rem 0 0.5rem 1.75rem;
    font-size: 1rem;
    color: var(--mk-color-text);
    position: relative;
}
.solution-features li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.875rem;
    width: 0.875rem;
    height: 0.875rem;
    border-radius: 50%;
    background: var(--mk-color-brand-500);
    box-shadow: 0 0 0 3px rgba(201, 100, 66, 0.16);
}

.platform-preview { text-align: center; }
.preview-mockup {
    background: var(--mk-color-bg-subtle);
    border: 1px solid var(--mk-color-border);
    border-radius: var(--mk-radius-xl);
    box-shadow: var(--mk-shadow-lg);
    overflow: hidden;
    max-width: 440px;
    width: 100%;
    margin: 0 auto;
}
.preview-mockup .mockup-header {
    background: var(--mk-color-bg);
    padding: 0.625rem 0.875rem;
    border-bottom: 1px solid var(--mk-color-border);
}
.preview-mockup .mockup-content { padding: 0.875rem; }
.preview-mockup .mockup-content img { border-radius: var(--mk-radius-md); }

.feature-list { list-style: none; margin-bottom: 1.25rem; }
.feature-list li {
    padding: 0.25rem 0 0.25rem 1.25rem;
    color: var(--mk-color-text-muted);
    font-size: 0.9375rem;
    position: relative;
}
.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--mk-color-brand-500);
    font-weight: 700;
}
.feature-image { text-align: center; margin-top: 1rem; }
.feature-mockup {
    background: var(--mk-color-bg-subtle);
    border-radius: var(--mk-radius-md);
    padding: 0.875rem;
    border: 1px solid var(--mk-color-border);
}
.feature-mockup img {
    width: 100%;
    height: auto;
    border-radius: var(--mk-radius-sm);
}

/* ---------- Results / stats ---------- */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}
.result-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--mk-color-bg-subtle);
    border: 1px solid var(--mk-color-border);
    border-radius: var(--mk-radius-xl);
}
.result-number {
    font-size: clamp(2.25rem, 1.5rem + 2vw, 3rem);
    font-weight: 700;
    color: var(--mk-color-brand-500);
    margin-bottom: 0.375rem;
    letter-spacing: -0.02em;
    line-height: 1;
}
.result-label {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--mk-color-text);
    margin-bottom: 0.625rem;
}
.result-card p {
    color: var(--mk-color-text-muted);
    line-height: 1.6;
    font-size: 0.9375rem;
}

/* ---------- CTA ---------- */
.cta {
    background: linear-gradient(135deg, var(--mk-color-brand-500) 0%, var(--mk-color-brand-700) 100%);
    color: #fff;
    padding: clamp(64px, 8vw, 96px) 0;
}
.cta-content { text-align: center; }
.cta-content h2 {
    font-size: clamp(1.75rem, 1.2rem + 1.6vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}
.cta-content p {
    font-size: clamp(1rem, 0.875rem + 0.4vw, 1.1875rem);
    margin-bottom: 2rem;
    opacity: 0.92;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.cta .btn-primary {
    background: #fff;
    color: var(--mk-color-brand-700);
    border-color: #fff;
}
.cta .btn-primary:hover {
    background: var(--mk-color-bg-subtle);
    color: var(--mk-color-brand-700);
    border-color: var(--mk-color-bg-subtle);
}
.cta-buttons {
    display: flex;
    gap: 0.875rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- Footer (3-column SaaS standard) ---------- */
.footer {
    background: var(--mk-color-sidebar-bg);
    color: var(--mk-color-sidebar-text);
    padding: clamp(2.5rem, 5vw, 4rem) 0 1.5rem;
    margin-top: 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.7fr 1fr 1fr;
    gap: clamp(1.5rem, 3vw, 3rem);
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--mk-color-sidebar-border);
}
.footer-brand { display: flex; flex-direction: column; gap: 1rem; max-width: 360px; }
.footer-brand-mark .logo-text {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.75rem;
    background: var(--mk-color-brand-500);
    border-radius: var(--mk-radius-md);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--mk-color-text-on-brand);
    letter-spacing: -0.02em;
}
.footer-brand-desc {
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--mk-color-sidebar-text-muted);
    margin: 0;
}
.footer-logo-link {
    display: inline-block;
    line-height: 0;
    margin-top: 0.5rem;
    transition: opacity var(--mk-motion-duration-base) var(--mk-motion-ease-standard);
}
.footer-logo-link:hover { opacity: 0.85; }
.footer-logo {
    height: 28px;
    width: auto;
    background: #fff;
    padding: 5px 9px;
    border-radius: var(--mk-radius-sm, 6px);
}

.footer-col h4 {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--mk-color-sidebar-text-strong);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0 0 1rem;
}
.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}
.footer-col a {
    color: var(--mk-color-sidebar-text);
    text-decoration: none;
    font-size: 0.9375rem;
    line-height: 1.4;
    transition: color var(--mk-motion-duration-fast) var(--mk-motion-ease-standard);
}
.footer-col a:hover { color: var(--mk-color-brand-400); }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1.5rem;
    flex-wrap: wrap;
}
.footer-copy {
    color: var(--mk-color-sidebar-text-muted);
    font-size: 0.8125rem;
    margin: 0;
}
.footer-bottom-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.footer-bottom-links a {
    color: var(--mk-color-sidebar-text-muted);
    text-decoration: none;
    font-size: 0.8125rem;
    transition: color var(--mk-motion-duration-fast) var(--mk-motion-ease-standard);
}
.footer-bottom-links a:hover { color: var(--mk-color-brand-400); }

/* ---------- WHAT WE DO ---------- */
.what-we-do {
    padding: clamp(64px, 8vw, 96px) 0;
    background: var(--mk-color-bg);
}
.section-badge {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
}
.section-badge span {
    display: inline-block;
    padding: 0.4375rem 1.125rem;
    border: 1px solid var(--mk-color-border-strong);
    border-radius: var(--mk-radius-pill);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--mk-color-text-muted);
    background: var(--mk-color-bg-subtle);
    letter-spacing: 0.02em;
}
.service-items {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.service-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 3rem 0;
    border-bottom: 1px solid var(--mk-color-border);
}
.service-item:last-child { border-bottom: none; }
.service-content h3 {
    font-size: clamp(1.5rem, 1rem + 1.4vw, 2rem);
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--mk-color-text);
    letter-spacing: -0.02em;
}
.service-content p {
    font-size: 1rem;
    color: var(--mk-color-text-muted);
    line-height: 1.7;
    margin-bottom: 1.75rem;
}
.learn-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--mk-color-brand-500);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: gap var(--mk-motion-duration-base) var(--mk-motion-ease-standard),
                color var(--mk-motion-duration-base) var(--mk-motion-ease-standard);
}
.learn-more:hover {
    color: var(--mk-color-brand-700);
    gap: 0.75rem;
}
.service-image {
    border-radius: var(--mk-radius-xl);
    overflow: hidden;
    border: 1px solid var(--mk-color-border);
}
.service-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

/* ---------- Responsive ---------- */
@media (min-width: 768px) {
    .hero-container { grid-template-columns: 1.05fr 1fr; }
    .solution-content { grid-template-columns: 1fr 1fr; }
    .service-item {
        grid-template-columns: 2fr 3fr;
        align-items: center;
        gap: 3rem;
    }
}

@media (max-width: 767px) {
    .container,
    .nav-container,
    .hero-container { padding-left: 1.25rem; padding-right: 1.25rem; }

    .nav-links { gap: 1rem; }
    .nav-links .nav-link:not(.btn-primary):not(.btn-secondary):not(.nav-link-cta) { display: none; }
    .nav-links .btn-primary,
    .nav-links .btn-secondary {
        padding: 0.5rem 0.875rem;
        font-size: 0.875rem;
    }
    .nav-links .nav-link-cta { padding: 0.4375rem 0.75rem; font-size: 0.875rem; }

    .hero { margin-top: 56px; }

    .hero-buttons,
    .cta-buttons { flex-direction: column; align-items: stretch; }
    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary,
    .cta-buttons .btn-primary,
    .cta-buttons .btn-outline { justify-content: center; }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    .footer-brand { grid-column: 1 / -1; max-width: none; }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}
@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; gap: 1.75rem; }
    .footer-bottom-links { gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
    .problem-card,
    .btn-primary,
    .btn-secondary,
    .btn-outline,
    .learn-more { transition: none; }
}