/**
 * IntelliVet.cloud - Landingpage Styles
 * Praxissoftware für Tierosteopathen
 */

/* === CSS Variables - Farben aus dem Logo === */
:root {
    --color-primary: #1B5E7A;        /* Blau vom Logo */
    --color-primary-dark: #134B63;
    --color-primary-light: #2980B9;
    --color-accent: #4CAF50;          /* Grün vom Logo */
    --color-accent-dark: #3D8B40;
    --color-background: #F5F9FC;
    --color-white: #FFFFFF;
    --color-text: #2C3E50;
    --color-text-light: #5D6D7E;
    --color-border: #D5E8F2;
    --shadow-sm: 0 2px 4px rgba(85, 107, 85, 0.1);
    --shadow-md: 0 4px 12px rgba(85, 107, 85, 0.15);
    --shadow-lg: 0 8px 24px rgba(85, 107, 85, 0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --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: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-background);
}

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

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

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

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

/* === Layout === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: 4rem 0;
}

/* === Header & Navigation === */
.header {
    background: var(--color-white);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 120px;
    width: auto;
}

@media (min-width: 768px) {
    .logo img {
        height: 160px;
    }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--color-text);
    padding: 0.5rem 0;
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

/* Mobile Navigation */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--color-text);
}

.mobile-menu-btn svg {
    width: 24px;
    height: 24px;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 130px;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    z-index: 999;
    padding: 1rem;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-nav-links a {
    display: block;
    padding: 1rem;
    text-align: center;
    color: var(--color-text);
    border-radius: var(--radius-sm);
}

.mobile-nav-links a:hover {
    background: var(--color-background);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    text-decoration: none;
}

.btn svg {
    width: 18px;
    height: 18px;
}

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

/* Navigation Login Button - besser lesbar */
.nav-links .btn-primary {
    padding: 0.75rem 2rem;
    font-size: 1rem;
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
    font-weight: 600;
}

.nav-links .btn-primary:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

/* === Hero Section === */
.hero {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-background) 100%);
    padding: 12rem 0 4rem;
    min-height: auto;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 1.5rem;
    align-items: center;
}

.hero-content {
    max-width: 100%;
}

.hero h1 {
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.hero h1 .highlight {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.hero-trust {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.trust-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo {
    max-width: 380px;
    width: 100%;
    filter: drop-shadow(0 15px 35px rgba(27, 94, 122, 0.2));
}

/* === Section Headers === */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin-bottom: 0;
}

/* === Features Section === */
.features {
    background: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--color-background);
    padding: 2rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-border);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-white);
}

.feature-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
    line-height: 1.6;
}

/* === Benefits Section === */
.benefits {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-dark) 100%);
    color: var(--color-white);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefits-text h2 {
    color: var(--color-white);
    margin-bottom: 1rem;
}

.benefits-text > p {
    opacity: 0.9;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.benefits-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.benefits-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.benefits-list li svg {
    width: 22px;
    height: 22px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.benefits-list li span {
    font-size: 1.05rem;
}

.benefits-visual {
    display: flex;
    justify-content: center;
}

.benefit-card-stack {
    position: relative;
    width: 280px;
    height: 200px;
}

.benefit-preview-card {
    position: absolute;
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    width: 260px;
    box-shadow: var(--shadow-lg);
}

.benefit-preview-card:first-child {
    top: 0;
    left: 0;
    z-index: 2;
}

.benefit-preview-card.offset {
    top: 60px;
    left: 40px;
    z-index: 1;
    opacity: 0.9;
}

.preview-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
    font-weight: 600;
}

.preview-header svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

.preview-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.preview-line {
    height: 10px;
    background: var(--color-border);
    border-radius: 5px;
}

.preview-line.short {
    width: 60%;
}

/* === Pricing Section === */
.pricing {
    background: var(--color-background);
}

.pricing-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.pricing-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
    width: 100%;
    max-width: 400px;
}

.pricing-card.featured {
    border-color: var(--color-primary);
    transform: scale(1.02);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.4rem 1.25rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-card:hover {
    box-shadow: var(--shadow-lg);
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.pricing-description {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.pricing-price {
    margin-bottom: 2rem;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.pricing-price .currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

.pricing-price .amount {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.pricing-price .period {
    color: var(--color-text-light);
    font-size: 1rem;
    margin-left: 0.25rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.pricing-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.pricing-note svg {
    width: 18px;
    height: 18px;
}

.pricing-note p {
    margin: 0;
}

/* === CTA Section === */
.cta {
    background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    text-align: center;
    padding: 3.5rem 0;
}

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* === Footer === */
.footer {
    background: var(--color-text);
    color: var(--color-white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-brand {
    flex: 1 1 100%;
    max-width: 350px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    flex: 1;
    justify-content: flex-end;
}

.footer-brand .logo {
    display: inline-block;
    margin-bottom: 1rem;
}

.footer-brand .logo.footer-logo img {
    height: 100px;
    filter: brightness(0) invert(1);
}

.footer-brand > p {
    opacity: 0.8;
    margin-bottom: 0;
    line-height: 1.6;
}

.footer-column h4 {
    color: var(--color-white);
    margin-bottom: 1.25rem;
    font-size: 1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.75);
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    opacity: 0.7;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.9);
}

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

/* === Responsive Design === */
@media (max-width: 1024px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.875rem; }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-trust {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .hero-logo {
        max-width: 280px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .benefits-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .benefits-list {
        align-items: center;
    }

    .benefits-visual {
        order: -1;
    }

    .footer-brand {
        max-width: 100%;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
        width: 100%;
    }
}

@media (max-width: 768px) {
    section {
        padding: 3.5rem 0;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

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

    .pricing-card.featured {
        transform: none;
    }

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

    .footer-links {
        gap: 2rem;
    }

    .footer-column {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }

    .hero {
        padding: 9rem 0 2.5rem;
        min-height: auto;
    }

    .hero-logo {
        max-width: 200px;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .hero-trust {
        flex-direction: column;
        gap: 0.75rem;
    }

    .benefit-card-stack {
        transform: scale(0.85);
    }

    .pricing-card {
        padding: 1.75rem;
    }

    .cta {
        padding: 3rem 0;
    }
}

/* === Utility Classes === */
.text-center { text-align: center; }

/* === Print Styles === */
@media print {
    .header, .footer, .cta, .mobile-nav {
        display: none;
    }

    section {
        padding: 2rem 0;
    }

    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
}