/*
Theme Name: NetCell MailGuard
Theme URI: https://netcell-mailguard.de
Author: NetCell IT
Author URI: https://netcell-it.de
Description: Marketing-Website fuer NetCell MailGuard — SMTP-Security-Gateway. Schwesterprodukt zu enconf, Pattern adaptiert.
Version: 0.1.0
Requires at least: 6.4
Tested up to: 6.7
Requires PHP: 8.1
License: Proprietary
Text Domain: mailguard
*/

/* === CSS Variables — Slate Base + Indigo Accent === */
:root {
    /* Slate palette (gemeinsam mit enconf) */
    --color-slate-50:  #F8FAFC;
    --color-slate-100: #F1F5F9;
    --color-slate-200: #E2E8F0;
    --color-slate-300: #CBD5E1;
    --color-slate-400: #94A3B8;
    --color-slate-500: #64748B;
    --color-slate-600: #475569;
    --color-slate-700: #334155;
    --color-slate-800: #1E293B;
    --color-slate-900: #0F172A;

    /* MailGuard-Akzent: Indigo (klar abgegrenzt vom enconf-Teal #00D4AA) */
    --color-accent:        #5B6BFF;
    --color-accent-hover:  #4F5BD9;
    --color-accent-light:  #EEF0FF;
    --color-accent-dark:   #3B47B3;

    /* Sekundaer-Akzent fuer Status (Quarantaene, Threat, Verified) */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger:  #EF4444;

    /* Typografie */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: ui-monospace, 'SF Mono', 'Cascadia Code', 'Roboto Mono', Consolas, monospace;

    /* Layout */
    --container-max: 1200px;
    --section-pad-y: 5rem;
    --section-pad-y-sm: 3rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(15,23,42,0.05);
    --shadow-md: 0 4px 6px -1px rgba(15,23,42,0.1), 0 2px 4px -2px rgba(15,23,42,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(15,23,42,0.1), 0 4px 6px -4px rgba(15,23,42,0.05);
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-slate-800);
    background: #FFF;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; }
a:hover, a:focus-visible { color: var(--color-accent-hover); text-decoration: underline; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; border-radius: 2px; }

/* === Skip-Link (WCAG 2.4.1) === */
.skip-link {
    position: absolute; left: -9999px; top: 0;
    background: var(--color-slate-900); color: #FFF;
    padding: 0.75rem 1.25rem; z-index: 9999;
    border-radius: 0 0 var(--radius-md) 0;
}
.skip-link:focus { left: 0; }

/* === Layout === */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }
section { padding: var(--section-pad-y) 0; }
@media (max-width: 991.98px) { section { padding: var(--section-pad-y-sm) 0; } }

/* === Section Header (kleines teal/uppercase Label, gemeinsam mit enconf) === */
.section-label {
    display: inline-block;
    font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 1rem;
}
.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700; line-height: 1.2;
    color: var(--color-slate-900);
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
}
.section-lead {
    font-size: 1.125rem;
    color: var(--color-slate-600);
    max-width: 720px; margin: 0 auto 2.5rem;
}

/* === Buttons === */
.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600; font-size: 0.95rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer; transition: all 0.15s ease;
    text-decoration: none;
}
.btn-primary { background: var(--color-accent); color: #FFF; }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--color-accent-hover); color: #FFF; text-decoration: none; }
.btn-outline { background: transparent; color: var(--color-accent); border-color: var(--color-accent); }
.btn-outline:hover, .btn-outline:focus-visible { background: var(--color-accent); color: #FFF; text-decoration: none; }
.btn-lg { padding: 1rem 2rem; font-size: 1rem; }

/* === Hero Code-Box (Oneliner-Copy) === */
.code-box {
    display: flex; align-items: center; justify-content: space-between;
    background: var(--color-slate-900); color: var(--color-slate-100);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    font-family: var(--font-mono); font-size: 0.9rem;
    box-shadow: var(--shadow-md);
}
.code-box code { color: var(--color-accent-light); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.code-box .copy-btn {
    background: rgba(255,255,255,0.1); color: #FFF;
    border: none; padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm); cursor: pointer;
    font-size: 0.8rem; font-weight: 500;
    transition: background 0.15s;
    margin-left: 1rem; flex-shrink: 0;
}
.code-box .copy-btn:hover { background: rgba(255,255,255,0.2); }

/* === Cards === */
.feature-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem; margin-top: 2rem;
}
.feature-card {
    background: #FFF;
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: box-shadow 0.15s, border-color 0.15s, transform 0.15s;
}
.feature-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-accent); transform: translateY(-2px); }
.feature-card .icon {
    width: 48px; height: 48px;
    background: var(--color-accent-light); color: var(--color-accent);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1rem;
}
.feature-card h3 { margin: 0 0 0.5rem; font-size: 1.125rem; color: var(--color-slate-900); }
.feature-card p { margin: 0; color: var(--color-slate-600); font-size: 0.95rem; }

/* === Pricing Cards === */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.pricing-card {
    background: #FFF;
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex; flex-direction: column;
}
.pricing-card.featured { border-color: var(--color-accent); border-width: 2px; box-shadow: var(--shadow-lg); position: relative; }
.pricing-card.featured::before {
    content: 'Empfohlen'; position: absolute; top: -0.75rem; left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent); color: #FFF;
    padding: 0.25rem 0.75rem; border-radius: 999px;
    font-size: 0.75rem; font-weight: 600;
}
.pricing-card h3 { margin: 0 0 0.5rem; font-size: 1.25rem; color: var(--color-slate-900); }
.pricing-card .price { font-size: 2.5rem; font-weight: 700; color: var(--color-slate-900); margin: 1rem 0; line-height: 1; }
.pricing-card .price small { font-size: 0.95rem; font-weight: 400; color: var(--color-slate-500); }
.pricing-card ul { list-style: none; padding: 0; margin: 1.5rem 0; flex-grow: 1; }
.pricing-card ul li { padding: 0.5rem 0; border-bottom: 1px solid var(--color-slate-100); color: var(--color-slate-700); }
.pricing-card ul li:last-child { border-bottom: none; }

/* === Header / Nav === */
.site-header {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-slate-200);
    position: sticky; top: 0; z-index: 100;
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 0;
}
.site-brand { display: flex; align-items: center; gap: 0.625rem; font-weight: 700; font-size: 1.125rem; color: var(--color-slate-900); text-decoration: none; }
.site-brand svg { width: 28px; height: 28px; color: var(--color-accent); }
.site-brand:hover, .site-brand:focus-visible { color: var(--color-slate-900); text-decoration: none; }

.primary-nav ul { list-style: none; display: flex; gap: 2rem; margin: 0; padding: 0; }
.primary-nav a { color: var(--color-slate-700); font-weight: 500; font-size: 0.95rem; }
.primary-nav a:hover, .primary-nav a:focus-visible, .primary-nav a[aria-current="page"] { color: var(--color-accent); text-decoration: none; }

/* Burger menu (mobile) */
.menu-toggle {
    display: none; background: none; border: 0;
    width: 40px; height: 40px; cursor: pointer;
    color: var(--color-slate-700); padding: 0;
}
.menu-toggle svg { margin: 0 auto; }
@media (max-width: 991.98px) {
    .menu-toggle { display: flex; align-items: center; justify-content: center; }
    .primary-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #FFF; border-bottom: 1px solid var(--color-slate-200); padding: 1rem 1.5rem; }
    .primary-nav[aria-expanded="true"] { display: block; }
    .primary-nav ul { flex-direction: column; gap: 1rem; }
}

/* === Footer === */
.site-footer {
    background: var(--color-slate-900); color: var(--color-slate-300);
    padding: 4rem 0 2rem; margin-top: 5rem;
}
.site-footer h4 { color: #FFF; font-size: 0.95rem; margin: 0 0 1rem; text-transform: uppercase; letter-spacing: 0.05em; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { padding: 0.375rem 0; }
.site-footer a { color: var(--color-slate-300); font-size: 0.95rem; }
.site-footer a:hover, .site-footer a:focus-visible { color: var(--color-accent-light); text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; gap: 2rem; } }
.footer-bottom { border-top: 1px solid var(--color-slate-700); padding-top: 1.5rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-size: 0.875rem; color: var(--color-slate-500); }

/* === Hero === */
.hero { padding: 6rem 0 5rem; background: linear-gradient(180deg, var(--color-accent-light) 0%, #FFF 100%); overflow: hidden; }
.hero h1 { font-size: clamp(2.25rem, 4vw, 3.5rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; margin: 0 0 1.5rem; color: var(--color-slate-900); }
.hero p.lead { font-size: 1.25rem; color: var(--color-slate-700); max-width: 720px; margin: 0 0 2.5rem; }
.hero .cta-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hero .code-box { max-width: 600px; }

/* === Hero 2-spaltig (Desktop) ===
   .hero-grid: 1fr Text, 1fr Screenshot. Auf Mobile (<992px) auf 1 Spalte
   und Screenshot drunter. Screenshot ist SVG, skaliert mit max-width:100%. */
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.hero-screenshot img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    /* Slight rotation gibt dem Bild Marketing-mäßig ein „pop" — auskommentieren wenn flach gewünscht.
       transform: perspective(900px) rotateY(-3deg); */
}
@media (max-width: 991.98px) {
    .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
    .hero-screenshot { max-width: 600px; margin: 0 auto; }
}

/* === FAQ === */
.faq-item { border-bottom: 1px solid var(--color-slate-200); padding: 1.25rem 0; }
.faq-item summary { font-weight: 600; color: var(--color-slate-900); cursor: pointer; padding-right: 2rem; position: relative; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; position: absolute; right: 0; top: 0; font-size: 1.5rem; color: var(--color-accent); transition: transform 0.15s; }
.faq-item[open] summary::after { content: '-'; }
.faq-item p { color: var(--color-slate-600); margin: 1rem 0 0; }

/* === Forms === */
.form-field { margin-bottom: 1.25rem; }
.form-field label { display: block; font-weight: 500; color: var(--color-slate-800); margin-bottom: 0.375rem; font-size: 0.95rem; }
.form-field input, .form-field textarea, .form-field select {
    width: 100%; padding: 0.75rem 1rem;
    border: 1px solid var(--color-slate-300);
    border-radius: var(--radius-md);
    font-family: inherit; font-size: 1rem;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
    outline: none; border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }