/* ==========================================================================
   FABRICE SCHMIDT - LANDING PAGE
   Clean, Professional, Mittelstand-tauglich
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --primary: #2C3E50;
    --primary-light: #34495E;
    --accent: #D4A574;
    --accent-hover: #C4956A;
    --background: #FAFAFA;
    --white: #FFFFFF;
    --text: #2C3E50;
    --text-light: #5D6D7E;
    --text-muted: #7F8C8D;
    --border: #E5E8EB;

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --section-padding: 100px;
    --container-max: 1200px;

    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
    color: var(--accent);
}

ul {
    list-style: none;
}

/* --------------------------------------------------------------------------
   Container
   -------------------------------------------------------------------------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-family: var(--font-body);
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
}

strong {
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 165, 116, 0.3);
}

.btn-secondary {
    background-color: var(--primary);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: var(--primary-light);
    color: var(--white);
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Section Titles
   -------------------------------------------------------------------------- */
.section-title {
    text-align: center;
    margin-bottom: 20px;
}

.section-intro {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 60px;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-menu a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-light);
}

.nav-menu a:hover {
    color: var(--primary);
}

.nav-cta {
    background: var(--accent);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: 4px;
}

.nav-cta:hover {
    background: var(--accent-hover);
    color: var(--white) !important;
}

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

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 var(--section-padding);
    background: linear-gradient(135deg, var(--white) 0%, var(--background) 100%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.hero-title {
    margin-bottom: 8px;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    color: var(--text-light);
    margin-bottom: 24px;
}

.hero-badge {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 32px;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

/* --------------------------------------------------------------------------
   Parallele Section
   -------------------------------------------------------------------------- */
.parallele {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.parallele-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin: 60px 0;
}

.parallele-card {
    background: var(--background);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.parallele-year {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
}

.parallele-year.accent {
    color: var(--accent);
}

.parallele-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--primary);
}

.parallele-card ul {
    margin: 16px 0;
    padding-left: 0;
}

.parallele-card li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 8px;
}

.parallele-card li::before {
    content: "•";
    position: absolute;
    left: 8px;
    color: var(--accent);
}

.parallele-highlight {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin-top: 24px;
}

.parallele-stats {
    color: var(--text-light);
    font-size: 1rem;
}

.parallele-insight {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.parallele-closing {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.25rem;
}

.parallele-closing p {
    margin-bottom: 8px;
}

/* --------------------------------------------------------------------------
   Services Section
   -------------------------------------------------------------------------- */
.services {
    padding: var(--section-padding) 0;
    background: var(--background);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.service-card {
    background: var(--white);
    padding: 32px;
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background);
    border-radius: 12px;
    margin-bottom: 20px;
    color: var(--accent);
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 0;
}

.services-not {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 40px;
    background: var(--white);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.services-not h3 {
    margin-bottom: 20px;
    color: var(--text-muted);
}

.services-not li {
    margin-bottom: 12px;
    color: var(--text-muted);
}

.not-icon {
    color: #E74C3C;
    font-weight: 700;
    margin-right: 8px;
}

/* --------------------------------------------------------------------------
   Case Study Section
   -------------------------------------------------------------------------- */
.casestudy {
    padding: var(--section-padding) 0;
    background: var(--primary);
    color: var(--white);
}

.casestudy .section-title {
    color: var(--white);
}

.casestudy-content {
    max-width: 800px;
    margin: 60px auto 0;
}

.casestudy-block {
    margin-bottom: 40px;
}

.casestudy-block h3 {
    color: var(--accent);
    margin-bottom: 16px;
    font-size: 1.25rem;
}

.casestudy-block p {
    color: rgba(255, 255, 255, 0.9);
}

.casestudy-block ul {
    margin: 16px 0;
}

.casestudy-block li {
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.9);
}

.casestudy-question {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--accent);
    margin: 40px 0;
    padding: 30px;
    border: 2px dashed rgba(212, 165, 116, 0.5);
    border-radius: 8px;
}

.casestudy-question p {
    margin: 0;
}

.casestudy-agents {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 20px 0;
}

.agent {
    background: rgba(255, 255, 255, 0.1);
    padding: 12px 16px;
    border-radius: 4px;
    font-size: 0.95rem;
}

.agent span {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

.casestudy-hitl {
    text-align: center;
    font-weight: 600;
    color: var(--accent);
    margin-top: 20px;
}

.casestudy-block.result {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 8px;
}

.casestudy-results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.casestudy-results li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.check {
    color: #2ECC71;
    font-size: 1.25rem;
}

.casestudy-block.learnings {
    background: rgba(212, 165, 116, 0.15);
    padding: 30px;
    border-radius: 8px;
    border-left: 4px solid var(--accent);
}

.casestudy-block.learnings li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
}

.casestudy-block.learnings li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.casestudy .btn-secondary {
    display: flex;
    margin: 40px auto 0;
    background: var(--white);
    color: var(--primary);
}

.casestudy .btn-secondary:hover {
    background: var(--accent);
    color: var(--white);
}

/* --------------------------------------------------------------------------
   Zielgruppe Section
   -------------------------------------------------------------------------- */
.zielgruppe {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.zielgruppe-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.zielgruppe-card {
    text-align: center;
    padding: 32px 24px;
    background: var(--background);
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.zielgruppe-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.zielgruppe-icon {
    color: var(--accent);
    margin-bottom: 16px;
}

.zielgruppe-card h3 {
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.zielgruppe-card ul {
    text-align: left;
}

.zielgruppe-card li {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 8px;
    padding-left: 16px;
    position: relative;
}

.zielgruppe-card li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.phasen {
    background: var(--background);
    padding: 50px;
    border-radius: 8px;
    margin-bottom: 40px;
}

.phasen h3 {
    text-align: center;
    margin-bottom: 40px;
}

.phasen-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.phase {
    text-align: center;
}

.phase-number {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    margin: 0 auto 16px;
}

.phase h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.phase p {
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 8px;
}

.phase span {
    color: var(--text-light);
    font-size: 0.95rem;
}

.phasen-optional {
    text-align: center;
    margin-top: 30px;
    color: var(--text-light);
}

.investment {
    text-align: center;
    padding: 40px;
    background: var(--primary);
    color: var(--white);
    border-radius: 8px;
}

.investment h3 {
    color: var(--white);
    margin-bottom: 16px;
}

.investment-range {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.investment-range span {
    font-size: 1rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
}

.investment-note {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Kontakt Section
   -------------------------------------------------------------------------- */
.kontakt {
    padding: var(--section-padding) 0;
    background: var(--background);
}

.kontakt-intro {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 50px;
}

.kontakt-options {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.kontakt-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 32px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-weight: 500;
    color: var(--primary);
    transition: var(--transition);
}

.kontakt-link:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.kontakt-link svg {
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    padding: 40px 0;
    background: var(--primary);
    color: rgba(255, 255, 255, 0.7);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--white);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .zielgruppe-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .phasen-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        gap: 0;
        padding: 20px;
        border-bottom: 1px solid var(--border);
        display: none;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid var(--border);
    }

    .nav-cta {
        text-align: center;
        margin-top: 10px;
    }

    .nav-toggle {
        display: flex;
    }

    .parallele-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .casestudy-agents {
        grid-template-columns: 1fr;
    }

    .casestudy-results {
        grid-template-columns: 1fr;
    }

    .zielgruppe-grid {
        grid-template-columns: 1fr;
    }

    .phasen {
        padding: 30px 20px;
    }

    .kontakt-options {
        flex-direction: column;
        align-items: center;
    }

    .kontakt-link {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .footer .container {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Intersection Observer will add this class */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}