/* ============================================
   METIS Digital — Design system
   ============================================ */

:root {
    --c-navy: #1e3a8a;
    --c-navy-dark: #1e293b;
    --c-blue: #3b82f6;
    --c-orange: #f97316;
    --c-red: #ef4444;
    --c-white: #ffffff;
    --c-slate-50: #f8fafc;
    --c-slate-100: #f1f5f9;
    --c-slate-200: #e2e8f0;
    --c-slate-400: #94a3b8;
    --c-slate-600: #475569;
    --c-slate-900: #0f172a;

    --grad-hero: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #f97316 100%);
    --grad-accent: linear-gradient(90deg, #3b82f6, #f97316);
    --grad-cta: linear-gradient(90deg, #f97316, #ef4444);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;

    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08), 0 2px 4px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 20px 40px rgba(30, 58, 138, 0.12), 0 4px 12px rgba(30, 58, 138, 0.08);
    --shadow-glow: 0 0 60px rgba(249, 115, 22, 0.3);

    --container: 1200px;
    --gutter: 24px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--c-slate-900);
    background: var(--c-white);
    overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--c-slate-900);
}
h1 { font-size: clamp(2.25rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); margin-bottom: 0.5em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); margin-bottom: 0.4em; }
p { margin-bottom: 1em; color: var(--c-slate-600); }
p:last-child { margin-bottom: 0; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-orange);
    margin-bottom: 1rem;
}

/* ============================================
   Header
   ============================================ */
.site-header {
    position: sticky; top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--c-slate-200);
}
.site-header .container {
    display: flex; align-items: center; justify-content: space-between;
    height: 72px;
}
.brand {
    display: flex; align-items: center; gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--c-slate-900);
}
.brand-mark {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: var(--grad-accent);
    display: grid; place-items: center;
    color: white; font-weight: 800; font-size: 14px;
    box-shadow: var(--shadow-md);
}
.nav-primary { display: flex; gap: 32px; align-items: center; }
.nav-primary a {
    font-size: 0.95rem; font-weight: 500;
    color: var(--c-slate-600);
    transition: color 0.2s;
}
.nav-primary a:hover { color: var(--c-slate-900); }
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600; font-size: 0.95rem;
    transition: transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}
.btn-primary {
    background: var(--grad-cta);
    color: white;
    box-shadow: var(--shadow-md);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg), var(--shadow-glow); }
.btn-secondary {
    background: var(--c-slate-100);
    color: var(--c-slate-900);
}
.btn-secondary:hover { background: var(--c-slate-200); }
.btn-ghost {
    color: var(--c-slate-900);
    padding: 10px 0;
}
.btn-ghost::after {
    content: ' →';
    transition: transform 0.2s;
    display: inline-block;
}
.btn-ghost:hover::after { transform: translateX(4px); }
.menu-toggle { display: none; }

/* ============================================
   Hero
   ============================================ */
.hero {
    position: relative;
    overflow: hidden;
    padding: 96px 0 120px;
}
.hero::before {
    content: '';
    position: absolute;
    inset: -20%;
    background: var(--grad-hero);
    opacity: 0.08;
    filter: blur(80px);
    z-index: 0;
    animation: heroShift 18s ease-in-out infinite alternate;
}
@keyframes heroShift {
    0%   { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-5%, 5%) rotate(8deg); }
}
.hero-inner {
    position: relative; z-index: 1;
    max-width: 800px;
}
.hero h1 {
    margin-bottom: 24px;
}
.hero h1 .grad {
    background: var(--grad-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero p.lead {
    font-size: clamp(1.05rem, 1.8vw, 1.25rem);
    color: var(--c-slate-600);
    margin-bottom: 36px;
    max-width: 640px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
    margin-top: 80px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 32px;
    padding: 32px;
    background: var(--c-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--c-slate-100);
    position: relative; z-index: 1;
}
.stat .num {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    background: var(--grad-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 4px;
}
.stat .label {
    font-size: 0.875rem;
    color: var(--c-slate-600);
}

/* ============================================
   Sections
   ============================================ */
section { padding: 96px 0; }
.section-alt { background: var(--c-slate-50); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 64px; }
.section-head p { font-size: 1.125rem; }

/* ============================================
   Services grid
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.service-card {
    position: relative;
    padding: 32px;
    background: var(--c-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--c-slate-200);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s;
    overflow: hidden;
    display: flex; flex-direction: column;
}
.service-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--grad-accent);
    transform: scaleX(0); transform-origin: left;
    transition: transform 0.4s ease;
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
    width: 56px; height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--c-blue), var(--c-orange));
    display: grid; place-items: center;
    color: white;
    margin-bottom: 24px;
    font-size: 24px;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.25);
}
.service-card h3 { margin-bottom: 12px; }
.service-card p { font-size: 0.95rem; margin-bottom: 20px; flex: 1; }
.service-card .learn {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--c-orange);
    margin-top: auto;
}
.service-card .learn::after {
    content: ' →';
    transition: transform 0.2s;
    display: inline-block;
}
.service-card:hover .learn::after { transform: translateX(4px); }

/* ============================================
   Process timeline
   ============================================ */
.process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
    counter-reset: step;
}
.process-step {
    position: relative;
    padding: 24px;
}
.process-step::before {
    counter-increment: step;
    content: counter(step, decimal-leading-zero);
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--c-slate-200);
    margin-bottom: 12px;
    line-height: 1;
}
.process-step h3 { font-size: 1.125rem; margin-bottom: 8px; }
.process-step p { font-size: 0.925rem; }

/* ============================================
   CTA banner
   ============================================ */
.cta-banner {
    background: var(--c-navy-dark);
    background-image: var(--grad-hero);
    border-radius: var(--radius-xl);
    padding: 64px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}
.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(249, 115, 22, 0.4), transparent 60%);
    pointer-events: none;
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { color: white; margin-bottom: 16px; }
.cta-banner p { color: rgba(255, 255, 255, 0.85); margin-bottom: 32px; font-size: 1.125rem; }
.cta-banner .btn-primary {
    background: white;
    color: var(--c-slate-900);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--c-slate-900);
    color: var(--c-slate-400);
    padding: 80px 0 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer-grid h4 {
    color: white;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
    font-family: var(--font-sans);
    font-weight: 600;
}
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 12px; }
.footer-grid a { color: var(--c-slate-400); transition: color 0.2s; font-size: 0.925rem; }
.footer-grid a:hover { color: white; }
.footer-brand { max-width: 320px; }
.footer-brand .brand { color: white; margin-bottom: 16px; }
.footer-brand p { color: var(--c-slate-400); font-size: 0.925rem; }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 32px;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.875rem;
    flex-wrap: wrap; gap: 16px;
}

/* ============================================
   Service detail page
   ============================================ */
.page-hero {
    padding: 96px 0 64px;
    position: relative;
    overflow: hidden;
    background: var(--c-slate-50);
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--grad-hero);
    opacity: 0.04;
    z-index: 0;
}
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb {
    font-size: 0.875rem;
    color: var(--c-slate-600);
    margin-bottom: 16px;
}
.breadcrumb a { color: var(--c-orange); }

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 64px;
    align-items: start;
}
.content-main h2 { margin-top: 48px; }
.content-main h2:first-child { margin-top: 0; }
.content-main ul, .content-main ol { margin: 0 0 1.5em 1.25em; }
.content-main li { margin-bottom: 8px; color: var(--c-slate-600); }
.content-main strong { color: var(--c-slate-900); }

.sidebar-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--c-white);
    border: 1px solid var(--c-slate-200);
    position: sticky; top: 96px;
}
.sidebar-card h3 { font-size: 1.125rem; margin-bottom: 12px; }
.sidebar-card p { font-size: 0.9rem; margin-bottom: 20px; }

/* ============================================
   Forms
   ============================================ */
.form-grid {
    display: grid;
    gap: 20px;
    max-width: 640px;
}
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-slate-900);
}
.form-field input, .form-field textarea, .form-field select {
    font-family: inherit;
    font-size: 1rem;
    padding: 12px 16px;
    border: 1px solid var(--c-slate-200);
    border-radius: var(--radius-md);
    background: var(--c-white);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
    outline: none;
    border-color: var(--c-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.form-field textarea { min-height: 140px; resize: vertical; }
.form-hp { position: absolute; left: -9999px; }
.form-msg {
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    font-size: 0.925rem;
}
.form-msg.ok { background: #d1fae5; color: #065f46; }
.form-msg.err { background: #fee2e2; color: #991b1b; }

/* ============================================
   Blog
   ============================================ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}
.post-card {
    background: var(--c-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--c-slate-200);
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    display: flex; flex-direction: column;
}
.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.post-card-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.post-card .date {
    font-size: 0.8rem;
    color: var(--c-slate-400);
    margin-bottom: 8px;
}
.post-card h3 { font-size: 1.2rem; margin-bottom: 12px; }
.post-card .excerpt { font-size: 0.925rem; margin-bottom: 16px; flex: 1; }
.post-card .read-more {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-orange);
}

.article-body { max-width: 760px; margin: 0 auto; padding: 64px 0; }
.article-body h2 { margin-top: 2em; margin-bottom: 0.5em; }
.article-body h3 { margin-top: 1.5em; margin-bottom: 0.4em; }
.article-body p { font-size: 1.05rem; line-height: 1.75; margin-bottom: 1.25em; }
.article-body ul, .article-body ol { margin: 0 0 1.5em 1.25em; }
.article-body li { margin-bottom: 8px; font-size: 1.05rem; line-height: 1.7; color: var(--c-slate-600); }
.article-body img { margin: 32px 0; border-radius: var(--radius-md); }
.article-meta {
    display: flex; gap: 12px; align-items: center;
    font-size: 0.875rem; color: var(--c-slate-600);
    margin-bottom: 32px;
}

/* ============================================
   Reveal animations
   ============================================ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 900px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .content-grid { grid-template-columns: 1fr; }
    .sidebar-card { position: static; }
}
@media (max-width: 720px) {
    .menu-toggle {
        display: block;
        width: 40px; height: 40px;
        border-radius: 8px;
        background: var(--c-slate-100);
    }
    .menu-toggle::before {
        content: ''; display: block; width: 18px; height: 2px;
        background: var(--c-slate-900); margin: 0 auto;
        box-shadow: 0 -6px 0 var(--c-slate-900), 0 6px 0 var(--c-slate-900);
    }
    .nav-primary {
        display: none;
        position: absolute; top: 72px; left: 0; right: 0;
        flex-direction: column;
        background: white;
        padding: 24px var(--gutter);
        gap: 16px;
        border-bottom: 1px solid var(--c-slate-200);
    }
    .nav-primary.open { display: flex; }
    .footer-grid { grid-template-columns: 1fr; }
    section { padding: 64px 0; }
    .hero { padding: 64px 0 80px; }
    .cta-banner { padding: 40px 24px; border-radius: var(--radius-lg); }
}