/* 
* FinanzKontrolle GmbH - Main Stylesheet
* BEM Methodology
* Author: FinanzKontrolle GmbH
*/

/* Variables */
:root {
    --color-primary: #0F1B2B;    /* Deep coal blue */
    --color-accent: #FAE044;     /* Neon yellow */
    --color-bg: #EEF2F5;         /* Soft icy blue-gray */
    --color-text: #222831;       /* Graphite */
    --color-accent-2: #EA526F;   /* Pink-red */
    --color-white: #FFFFFF;
    --color-gray: #8F9CAE;
    --color-light-gray: #DCE3EA;
    --color-dark: #051020;
    
    --font-main: 'Arial', sans-serif;
    --font-heading: 'Arial', sans-serif;
    --transition: all 0.3s ease;
    
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.2);
    
    --border-radius: 4px;
    --border-radius-lg: 8px;
}

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

html {
    font-size: 62.5%;  /* 10px = 1rem */
    scroll-behavior: smooth;
}

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

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

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

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

ul, ol {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    border: none;
    outline: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    margin-bottom: 2rem;
    color: var(--color-primary);
    font-weight: 700;
}

h1 {
    font-size: 4.8rem;
}

h2 {
    font-size: 3.6rem;
}

h3 {
    font-size: 2.8rem;
}

h4 {
    font-size: 2.4rem;
}

p {
    margin-bottom: 1.6rem;
}

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 8rem 0;
}

main {
    flex: 1 0 auto;
}

/* Components */

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem 0;
    z-index: 100;
}

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

.logo {
    display: block;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

.logo__svg {
    display: block;
}

/* Navigation */
.main-nav__list {
    display: flex;
    gap: 2rem;
}

.main-nav__link {
    padding: 1rem 1.5rem;
    display: block;
    font-weight: 500;
    position: relative;
}

.main-nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition);
    transform: translateX(-50%);
}

.main-nav__link:hover::after,
.main-nav__item--active .main-nav__link::after {
    width: 80%;
}

.header__mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    width: 30px;
    height: 24px;
    padding: 0;
    background: none;
}

.header__mobile-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero section */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    background-color: var(--color-primary);
    color: var(--color-white);
    overflow: hidden;
    margin-top: 8rem;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(15, 27, 43, 0.9), rgba(15, 27, 43, 0.6));
    z-index: 1;
}

.hero__inner {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero__title {
    font-size: 6rem;
    color: var(--color-white);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out forwards;
}

.hero__title span {
    color: var(--color-accent);
}

.hero__subtitle {
    font-size: 2.4rem;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

.hero__cta {
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
    opacity: 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1.2rem 3rem;
    border-radius: var(--border-radius);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn--primary:hover {
    background-color: var(--color-primary);
    color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-accent);
}

.btn--secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* About section */
.about {
    background-color: var(--color-white);
}

.about__inner {
    display: flex;
    align-items: center;
    gap: 6rem;
}

.about__content {
    flex: 1;
}

.about__image {
    flex: 1;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    position: relative;
}

.about__image img {
    transition: var(--transition);
}

.about__image:hover img {
    transform: scale(1.05);
}

/* Services section */
.services {
    background-color: var(--color-bg);
}

.services__title {
    text-align: center;
    margin-bottom: 6rem;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.service-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.service-card__content {
    padding: 3rem;
}

.service-card__title {
    font-size: 2.4rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 1.5rem;
}

.service-card__title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--color-accent);
}

.service-card__price {
    display: block;
    font-size: 3rem;
    color: var(--color-accent-2);
    margin: 2rem 0;
    font-weight: 700;
}

/* Stats counter */
.stats {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 6rem 0;
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-item__number {
    font-size: 5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
}

.stat-item__label {
    font-size: 1.8rem;
}

/* Testimonials */
.testimonials {
    background-color: var(--color-white);
}

.testimonials__title {
    text-align: center;
    margin-bottom: 6rem;
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.testimonial-card {
    background-color: var(--color-bg);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.testimonial-card__quote {
    font-style: italic;
    margin-bottom: 2rem;
    position: relative;
    padding-top: 3rem;
}

.testimonial-card__quote::before {
    content: '"';
    position: absolute;
    top: 0;
    left: 0;
    font-size: 6rem;
    color: var(--color-accent);
    line-height: 1;
    opacity: 0.5;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.testimonial-card__name {
    font-weight: 700;
}

.testimonial-card__company {
    color: var(--color-gray);
}

/* Contact form */
.contact {
    background-color: var(--color-bg);
}

.contact__title {
    text-align: center;
    margin-bottom: 6rem;
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-white);
    padding: 4rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 2.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 1.2rem;
    border: 1px solid var(--color-light-gray);
    border-radius: var(--border-radius);
    background-color: var(--color-white);
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(250, 224, 68, 0.2);
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
}

.form-check label {
    margin-bottom: 0;
    font-size: 1.4rem;
}

.form-actions {
    text-align: center;
    margin-top: 3rem;
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 6rem 0 2rem;
}

.footer__inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 4rem;
    margin-bottom: 5rem;
}

.footer__title {
    color: var(--color-white);
    font-size: 2rem;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

.footer__title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--color-accent);
}

.footer__text {
    color: var(--color-light-gray);
    font-size: 1.4rem;
}

.footer__address {
    font-style: normal;
    color: var(--color-light-gray);
    font-size: 1.4rem;
}

.footer__address p {
    margin-bottom: 1rem;
}

.footer__address a {
    color: var(--color-light-gray);
}

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

.footer__links li {
    margin-bottom: 1rem;
}

.footer__links a {
    color: var(--color-light-gray);
    font-size: 1.4rem;
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--color-accent);
    padding-left: 5px;
}

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

.footer__copyright {
    color: var(--color-gray);
    font-size: 1.4rem;
}

/* Cookie popup */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    left: 0;
    right: 0;
    z-index: 1000;
    width: 100%;
    max-width: 90%;
    margin: 0 auto;
    animation: fadeInUp 0.5s ease-out forwards;
}

.cookie-popup__container {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.cookie-popup p {
    margin-bottom: 0;
}

.cookie-popup__link {
    margin-left: 2rem;
    color: var(--color-gray);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInRight {
    from {
        transform: translateX(50px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-50px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes scaleUp {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.animate-fadeIn {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-slideInLeft {
    animation: slideInLeft 0.8s ease-out forwards;
}

.animate-slideInRight {
    animation: slideInRight 0.8s ease-out forwards;
}

.animate-scaleUp {
    animation: scaleUp 0.8s ease-out forwards;
}

/* Media Queries */
@media (max-width: 1200px) {
    html {
        font-size: 60%;
    }
    
    .stats__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    html {
        font-size: 58%;
    }
    
    .about__inner {
        flex-direction: column;
    }
    
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero__title {
        font-size: 5rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 56%;
    }
    
    .header__mobile-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100vh;
        background-color: var(--color-white);
        box-shadow: var(--shadow-md);
        padding: 8rem 2rem 2rem;
        transition: var(--transition);
        z-index: 99;
    }
    
    /* Activate mobile menu with PHP GET parameter */
    body:has(nav.main-nav.active) .main-nav {
        right: 0;
    }
    
    .main-nav__list {
        flex-direction: column;
        gap: 0;
    }
    
    .main-nav__link {
        padding: 1.5rem 0;
        border-bottom: 1px solid var(--color-light-gray);
    }
    
    .main-nav__link::after {
        display: none;
    }
    
    .services__grid,
    .testimonials__grid {
        grid-template-columns: 1fr;
    }
    
    .stats__grid {
        grid-template-columns: 1fr;
    }
    
    .hero__title {
        font-size: 4rem;
    }
    
    .hero__subtitle {
        font-size: 2rem;
    }
    
    .contact-form {
        padding: 3rem 2rem;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 54%;
    }
    
    .section {
        padding: 6rem 0;
    }
    
    h1 {
        font-size: 3.6rem;
    }
    
    h2 {
        font-size: 3rem;
    }
    
    .hero__title {
        font-size: 3.4rem;
    }
    
    .cookie-popup__container {
        flex-direction: column;
    }
    
    .cookie-popup form {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }
    
    .cookie-popup__link {
        margin-left: 0;
    }
}

/* Blog Preview Section */
.blog-preview {
    background-color: var(--color-white);
    position: relative;
    overflow: hidden;
    background-image: radial-gradient(var(--color-light-gray) 1px, transparent 1px);
    background-size: 20px 20px;
    padding: 10rem 0;
}

.blog-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to right, rgba(15, 27, 43, 0.03), rgba(15, 27, 43, 0));
    z-index: 0;
}

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

.blog-preview h2 {
    margin-bottom: 5rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    font-weight: 800;
    color: var(--color-primary);
}

.blog-preview h2::after {
    content: '';
    position: absolute;
    bottom: -1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.blog-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-light-gray);
    position: relative;
}

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

.blog-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--color-accent), var(--color-primary));
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.blog-card:hover::before {
    opacity: 1;
}

.blog-card__image {
    position: relative;
    overflow: hidden;
    height: 220px;
}

.blog-card__image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(5, 16, 32, 0), rgba(5, 16, 32, 0.2));
    z-index: 1;
}

.blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card:hover .blog-card__image img {
    transform: scale(1.05);
}

.blog-card__content {
    padding: 2.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    background-color: var(--color-white);
    z-index: 2;
}

.blog-card__date {
    font-size: 1.4rem;
    color: var(--color-gray);
    margin-bottom: 1rem;
    font-weight: 500;
    display: inline-block;
    padding: 0.5rem 0;
    position: relative;
}

.blog-card__date::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 30px;
    height: 1px;
    background-color: var(--color-accent);
}

.blog-card__title {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    color: var(--color-primary);
    transition: var(--transition);
    font-weight: 700;
}

.blog-card:hover .blog-card__title {
    color: var(--color-accent);
}

.blog-card__excerpt {
    color: var(--color-gray);
    margin-bottom: 2rem;
    flex-grow: 1;
    line-height: 1.7;
}

.blog-card__link {
    align-self: flex-start;
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 1.4rem;
    display: inline-flex;
    align-items: center;
    margin-top: auto;
    position: relative;
    padding-bottom: 0.5rem;
    letter-spacing: 1px;
}

.blog-card__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.blog-card__link:hover {
    color: var(--color-accent);
}

.blog-card__link:hover::after {
    width: 100%;
}

/* Media Queries for Blog Section */
@media (max-width: 992px) {
    .blog-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 576px) {
    .blog-card__image {
        height: 180px;
    }
    
    .blog-card__content {
        padding: 2rem;
    }
    
    .blog-card__title {
        font-size: 1.8rem;
    }
}