/* ============================================================
   hinic.dev – Haupt-Stylesheet
   Mobile-first, kein Framework, reines CSS3
   ============================================================ */

/* ── CSS Custom Properties ── */
:root {
    --color-bg:           #FFFFFF;
    --color-bg-section:   #F8FAFC;
    --color-dark:         #0F172A;
    --color-dark-mid:     #1E293B;
    --color-primary:      #2563EB;
    --color-primary-light:#3B82F6;
    --color-primary-hover:#1D4ED8;
    --color-accent:       #06B6D4;   /* Cyan-Akzent */
    --color-text:         #0F172A;
    --color-text-secondary: #475569;
    --color-border:       #E2E8F0;
    --color-white:        #FFFFFF;

    --gradient-primary: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
    --gradient-dark:    linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    --gradient-hero:    radial-gradient(ellipse 80% 60% at 70% -10%, rgba(37,99,235,0.35) 0%, transparent 70%),
                        radial-gradient(ellipse 50% 40% at 100% 80%, rgba(6,182,212,0.15) 0%, transparent 60%),
                        #0F172A;

    --font-family:  'Inter', system-ui, -apple-system, sans-serif;
    --font-mono:    'Courier New', 'Consolas', monospace;

    --max-width: 1100px;
    --nav-height: 64px;

    --space-xs:  0.5rem;
    --space-sm:  1rem;
    --space-md:  1.5rem;
    --space-lg:  2.5rem;
    --space-xl:  4.5rem;
    --space-2xl: 7rem;

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

    --transition: 200ms ease;

    --shadow-sm:   0 1px 3px rgba(0,0,0,0.08);
    --shadow-md:   0 4px 16px rgba(0,0,0,0.12);
    --shadow-glow: 0 0 0 1px rgba(37,99,235,0.3), 0 8px 32px rgba(37,99,235,0.2);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--color-primary-hover); }

ul, ol { list-style: none; }

h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.025em;
}

h1 { font-size: clamp(2rem, 5.5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); }
h3 { font-size: clamp(1.05rem, 2vw, 1.25rem); }

p { color: var(--color-text-secondary); line-height: 1.75; }

/* ── Layout ── */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--space-md);
}

main { flex: 1; }

.section { padding-block: var(--space-xl); }

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

/* ── Section Label (Code-Comment-Stil) ── */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.section-label::before {
    content: '//';
    color: var(--color-primary);
    font-weight: 700;
}

.section-title { margin-bottom: var(--space-sm); }

.section-text {
    max-width: 640px;
    margin-bottom: var(--space-lg);
}

/* ── Navigation ── */
.main-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #0F172A;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    height: var(--nav-height);
}

.nav-inner {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--space-md);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.01em;
}
.nav-logo:hover { color: #fff; }

.nav-logo-bracket {
    color: var(--color-primary);
    font-size: 0.9em;
}
.nav-logo-dot { color: var(--color-accent); }

.nav-menu {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: #94A3B8;
    padding: var(--space-xs) 0;
    border-bottom: 2px solid transparent;
    transition: color var(--transition), border-color var(--transition);
}

.nav-link:hover,
.nav-link--active {
    color: #fff;
    border-bottom-color: var(--color-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.nav-toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: #94A3B8;
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 0.925rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    text-decoration: none;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: 0 2px 12px rgba(37,99,235,0.35);
}

.btn-primary:hover {
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(37,99,235,0.5);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.6);
    color: #fff;
}

.btn-outline--dark {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline--dark:hover {
    background: var(--color-primary);
    color: #fff;
}

/* ── Hero ── */
.hero {
    background: var(--gradient-hero);
    padding-block: var(--space-2xl) var(--space-xl);
    position: relative;
    overflow: hidden;
}

/* Dot-Grid-Pattern */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
}

.hero .container { position: relative; z-index: 1; }

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    padding: 0.3rem 0.8rem;
    border: 1px solid rgba(6,182,212,0.3);
    border-radius: 999px;
    background: rgba(6,182,212,0.07);
}

.hero-eyebrow::before {
    content: '//';
    color: var(--color-primary);
    font-weight: 700;
}

.hero-title {
    color: #fff;
    margin-bottom: var(--space-md);
    max-width: 800px;
}

/* Gradient-Akzent auf letztem Wort */
.hero-title .accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: #94A3B8;
    margin-bottom: var(--space-lg);
    max-width: 560px;
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    align-items: center;
}

/* ── Advantage Cards ── */
.advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.advantage-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
    position: relative;
    overflow: hidden;
}

/* Gradient-Linie oben */
.advantage-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.advantage-card:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
}

.advantage-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-sm);
    border: 1px solid #BFDBFE;
}

.advantage-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-primary);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.advantage-card h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.advantage-card p  { font-size: 0.9rem; }

/* ── Approach Section ── */
.approach-text {
    font-size: 1.25rem;
    font-style: italic;
    font-weight: 500;
    color: var(--color-text);
    border-left: 4px solid;
    border-image: var(--gradient-primary) 1;
    background: linear-gradient(to right, #EFF6FF, rgba(239,246,255,0));
    padding: var(--space-md) var(--space-lg);
    margin: var(--space-lg) 0;
    max-width: 680px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ── Service List ── */
.service-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.service-list h3 {
    margin-bottom: var(--space-sm);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
}

.service-list ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.service-list li {
    display: flex;
    gap: var(--space-xs);
    align-items: flex-start;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.service-list--included li::before {
    content: '';
    display: block;
    width: 18px; height: 18px; min-width: 18px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563EB' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/contain no-repeat;
    margin-top: 2px;
}

.service-list--excluded li::before {
    content: '';
    display: block;
    width: 18px; height: 18px; min-width: 18px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23CBD5E1' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='18' y1='6' x2='6' y2='18'/%3E%3Cline x1='6' y1='6' x2='18' y2='18'/%3E%3C/svg%3E") center/contain no-repeat;
    margin-top: 2px;
}

/* ── Process Steps ── */
.process-steps {
    display: flex;
    flex-direction: column;
    margin-top: var(--space-lg);
    position: relative;
}

.process-step {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: var(--space-md);
    padding-bottom: var(--space-lg);
    position: relative;
}

.process-step:last-child { padding-bottom: 0; }

.process-step::before {
    content: '';
    position: absolute;
    left: 27px;
    top: 56px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
}

.process-step:last-child::before { display: none; }

.process-number {
    width: 56px;
    height: 56px;
    min-width: 56px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    font-family: var(--font-mono);
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 16px rgba(37,99,235,0.4);
}

.process-content { padding-top: 0.75rem; }
.process-content h3 { margin-bottom: 0.4rem; }

/* ── About ── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-xl);
    align-items: start;
}

.about-photo {
    aspect-ratio: 3/4;
    border-radius: var(--radius-lg);
    background: var(--color-bg-section);
    border: 1px solid var(--color-border);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-photo-placeholder {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    text-align: center;
    padding: var(--space-md);
}

.about-photo img { width: 100%; height: 100%; object-fit: cover; }

.about-text h2  { margin-bottom: var(--space-sm); }
.about-text p   { margin-bottom: var(--space-sm); }
.about-text p:last-child { margin-bottom: 0; }

.about-collab {
    margin-top: var(--space-lg);
    padding: var(--space-md);
    background: #EFF6FF;
    border: 1px solid #BFDBFE;
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 0.9rem;
}
.about-collab a { font-weight: 600; }

/* ── Contact Form ── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

.contact-info h2 { margin-bottom: var(--space-sm); }
.contact-info p  { margin-bottom: var(--space-sm); }

.form-group { margin-bottom: var(--space-md); }

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.4rem;
}

.form-label .required { color: var(--color-primary); margin-left: 2px; }

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 0.95rem;
    color: var(--color-text);
    background: var(--color-white);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}

.form-textarea { min-height: 160px; resize: vertical; }
.form-honeypot { display: none !important; }

.form-message {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    margin-top: var(--space-sm);
    display: none;
}

.form-message--success {
    background: #F0FDF4;
    border: 1px solid #BBF7D0;
    color: #15803D;
}

.form-message--error {
    background: #FEF2F2;
    border: 1px solid #FECACA;
    color: #DC2626;
}

.form-message.is-visible { display: block; }

/* ── Pricing Box ── */
.pricing-box {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-top: var(--space-lg);
    text-align: center;
    max-width: 600px;
    backdrop-filter: blur(4px);
}

.pricing-box p {
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--space-md);
}

/* ── CTA Section ── */
.section--cta {
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.section--cta::before {
    content: '';
    position: absolute;
    top: -150px; right: -100px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(37,99,235,0.2) 0%, transparent 70%);
    pointer-events: none;
}

.section--cta::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
}

.section--cta .container { position: relative; z-index: 1; }

.section--cta h2 { color: #fff; }
.section--cta p  { color: #94A3B8; }

/* ── Legal Pages ── */
.legal-content {
    max-width: 760px;
    padding-block: var(--space-xl);
}

.legal-content h1    { margin-bottom: var(--space-lg); }
.legal-content h2    {
    font-size: 1.2rem;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.legal-content p,
.legal-content li {
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
}

.legal-content ul { list-style: disc; padding-left: var(--space-md); }
.legal-content a  { word-break: break-all; }

/* ── Page Header ── */
.page-header {
    padding-block: var(--space-xl) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-xl);
}

.page-header h1 { margin-bottom: var(--space-xs); }
.page-header p  { max-width: 580px; }

/* ── Footer ── */
.site-footer {
    background: #0F172A;
    margin-top: auto;
    padding-block: var(--space-lg);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    margin-bottom: var(--space-md);
}

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    display: block;
    margin-bottom: 0.25rem;
}

.footer-logo:hover { color: #fff; }
.footer-logo-dot     { color: var(--color-accent); }
.footer-logo-bracket { color: var(--color-primary); font-size: 0.9em; }

.footer-claim { font-size: 0.85rem; color: #64748B; margin: 0; }

.footer-nav ul { display: flex; gap: var(--space-md); flex-wrap: wrap; }
.footer-nav a  { font-size: 0.875rem; color: #64748B; }
.footer-nav a:hover { color: #fff; }

.footer-bottom p { font-size: 0.8rem; color: #334155; margin: 0; }

/* ── Responsive: Tablet ── */
@media (max-width: 768px) {
    .nav-toggle { display: flex; }

    .nav-menu {
        position: absolute;
        top: var(--nav-height);
        left: 0; right: 0;
        background: #0F172A;
        border-bottom: 1px solid rgba(255,255,255,0.08);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-md);
        gap: var(--space-xs);
        display: none;
        box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    }

    .nav-menu.is-open { display: flex; }

    .nav-link {
        padding: 0.65rem 0;
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .nav-link:last-child { border-bottom: none; }

    .service-grid    { grid-template-columns: 1fr; }
    .contact-grid    { grid-template-columns: 1fr; }
    .about-grid      { grid-template-columns: 1fr; }
    .about-photo     { max-width: 240px; aspect-ratio: 1/1; }
    .hero-actions    { flex-direction: column; align-items: flex-start; }
}

/* ── Responsive: Mobile ── */
@media (max-width: 480px) {
    :root {
        --space-xl:  3rem;
        --space-2xl: 4.5rem;
    }

    .footer-inner { flex-direction: column; align-items: flex-start; }
}

/* ── Accessibility ── */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: 2px;
}

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* ── Print ── */
@media print {
    .main-nav, .site-footer, .btn { display: none; }
}