/**
 * DentaFIN - Modern UX Design
 * Farben aus dem Logo: Cyan/Türkis
 */

/* ===== CSS Variables - Logo-Farben ===== */
:root {
    /* Logo-Farben: Cyan/Türkis */
    --color-primary: #00B4D8;        /* Helles Cyan aus Logo */
    --color-primary-dark: #0096C7;   /* Dunkleres Cyan */
    --color-primary-light: #48CAE4;  /* Helleres Cyan */
    --color-accent: #00B4D8;         /* Cyan als Akzent */
    --color-secondary: #023E8A;      /* Dunkles Blau für Kontrast */
    
    /* Neutrale Farben */
    --color-dark: #0A0A0A;
    --color-text: #1F1F1F;
    --color-text-light: #5F5F5F;
    --color-background: #FFFFFF;
    --color-background-light: #F8FAFB;
    --color-background-gray: #E8F4F8;
    --color-border: #E0E0E0;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00B4D8 0%, #0096C7 100%);
    --gradient-hero: linear-gradient(135deg, #023E8A 0%, #00B4D8 50%, #48CAE4 100%);
    --gradient-accent: linear-gradient(90deg, #00B4D8, #48CAE4);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    
    /* Shadows - Modern & Soft */
    --shadow-sm: 0 2px 8px rgba(0, 180, 216, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 180, 216, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 180, 216, 0.16);
    --shadow-xl: 0 16px 48px rgba(0, 180, 216, 0.2);
    
    /* Border Radius - Modern */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    line-height: 1.7;
    background: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(2rem, 5vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

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

a:hover {
    color: var(--color-primary-dark);
}

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

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ===== Cookie Banner - Modern ===== */
.cookie-banner {
    position: fixed;
    bottom: var(--spacing-md);
    left: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 180, 216, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 9999;
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 600px;
    margin: 0 auto;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.cookie-banner-content {
    padding: var(--spacing-lg);
}

.cookie-banner-text h3 {
    color: var(--color-dark);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.cookie-banner-text p {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.cookie-banner-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ===== Header - Glassmorphism ===== */
.header-top {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-sm) 0;
    font-size: 0.9rem;
}

.header-contact {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.header-contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: white;
    font-weight: 500;
}

.header-contact-item:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.header-main {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(0, 180, 216, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-lg);
}

.navbar-brand img {
    height: 60px;
    width: auto;
    transition: transform var(--transition-fast);
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

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

.navbar-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.navbar-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.navbar-toggle.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.navbar-menu {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.navbar-link {
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    position: relative;
    color: var(--color-dark);
    font-size: 0.95rem;
    letter-spacing: 0.01em;
}

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
    transition: width var(--transition-fast);
}

.navbar-link:hover::after,
.navbar-link.active::after {
    width: 80%;
}

/* Mobile Nav */
@media (max-width: 768px) {
    .navbar-toggle {
        display: flex;
    }
    
    .navbar-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 320px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-2xl) var(--spacing-lg);
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-normal);
    }
    
    .navbar-menu.active {
        right: 0;
    }
    
    .navbar-link {
        width: 100%;
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--color-border);
        font-size: 1.1rem;
    }
}

/* ===== Hero - Modern Gradient ===== */
.hero {
    background: var(--gradient-hero);
    color: white;
    padding: var(--spacing-2xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(50px, 30px) scale(1.1);
    }
}

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

.hero-subtitle {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    opacity: 0.95;
}

.hero-title {
    margin-bottom: var(--spacing-md);
    color: white;
    font-weight: 800;
}

.hero-title .highlight {
    background: linear-gradient(90deg, #48CAE4, #FFFFFF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-top: var(--spacing-sm);
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Buttons - Modern & Animated ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: white;
    color: var(--color-primary);
    border-color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: var(--color-primary-dark);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

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

.btn-link {
    background: none;
    color: white;
    text-decoration: underline;
    padding: var(--spacing-sm);
}

.btn-large {
    padding: 1.125rem var(--spacing-2xl);
    font-size: 1.125rem;
}

/* ===== Sections ===== */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-subtitle {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* ===== About ===== */
.about {
    background: var(--color-background-light);
}

/* ===== Services - Modern Cards ===== */
.services {
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 180, 216, 0.1);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.1), rgba(72, 202, 228, 0.1));
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-icon img {
    max-width: 70%;
    max-height: 70%;
}

.service-title {
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 1.375rem;
}

.service-description {
    color: var(--color-text-light);
    margin-bottom: 0;
    line-height: 1.7;
}

/* ===== Benefits ===== */
.benefits {
    background: var(--color-background-gray);
}

.benefits-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.benefits-text {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.benefits-questions {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.benefits-questions h3 {
    color: white;
}

.benefits-questions ul {
    list-style: none;
    margin-left: 0;
}

.benefits-questions ul li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.95);
}

.benefits-questions ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    font-size: 1.5rem;
    font-weight: bold;
}

.benefits-grid {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.benefits-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.benefit-item {
    background: var(--color-background-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    transition: all var(--transition-fast);
}

.benefit-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
}

.benefit-item h4 {
    color: var(--color-dark);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.benefit-item p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ===== Contact - Modern Form ===== */
.contact {
    background: white;
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-background-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* ===== Modal - Modern ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: var(--spacing-md);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    max-width: 500px;
    text-align: center;
    box-shadow: var(--shadow-xl);
    animation: scaleIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto var(--spacing-md);
}

/* ===== Footer ===== */
.footer {
    background: var(--color-dark);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer-links a {
    color: white;
}

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

.footer-separator {
    color: rgba(255, 255, 255, 0.3);
}

.footer-credits {
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-credits a {
    color: var(--color-primary);
}

/* ===== Page Content ===== */
.page-header {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.breadcrumb {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.page-title {
    color: white;
}

.page-content {
    padding: var(--spacing-2xl) 0;
}

.content-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 900px;
    margin: 0 auto;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    :root {
        --spacing-2xl: 3rem;
        --spacing-xl: 2rem;
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .services-grid,
    .benefits-items {
        grid-template-columns: 1fr;
    }
}

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

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

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