/**
 * Aurora Vienna Landing Page Styles
 * Professional, modern design for real estate investment
 */

/* ========================================
   CSS Variables (Corporate Design)
   ======================================== */
:root {
    /* Primary Colors - Anpassbar an Corporate Design */
    --aurora-primary: #1a4f8b;
    --aurora-primary-dark: #123963;
    --aurora-primary-light: #2563a8;

    --aurora-secondary: #d4af37;
    --aurora-secondary-dark: #b8961f;

    /* Neutral Colors */
    --aurora-dark: #1a1a1a;
    --aurora-gray-dark: #333333;
    --aurora-gray: #6b7280;
    --aurora-gray-light: #e5e7eb;
    --aurora-white: #ffffff;

    /* Accent Colors */
    --aurora-success: #10b981;
    --aurora-error: #ef4444;

    /* Typography */
    --aurora-font-primary: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --aurora-font-heading: 'Georgia', serif;

    /* Spacing */
    --aurora-container-width: 1200px;
    --aurora-section-padding: 80px 0;
    --aurora-section-padding-mobile: 50px 0;

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

    /* Shadows */
    --aurora-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --aurora-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --aurora-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: var(--aurora-font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--aurora-dark);
    overflow-x: hidden;
}

.aurora-container {
    max-width: var(--aurora-container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Typography
   ======================================== */
.aurora-section-title {
    font-family: var(--aurora-font-heading);
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--aurora-dark);
    margin-bottom: 1rem;
    text-align: center;
}

.aurora-section-subtitle {
    font-size: 1.125rem;
    color: var(--aurora-gray);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.aurora-section-header {
    margin-bottom: 3rem;
}

/* ========================================
   Buttons
   ======================================== */
.aurora-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--aurora-transition);
    white-space: nowrap;
}

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

.aurora-btn--primary:hover {
    background: var(--aurora-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--aurora-shadow-lg);
}

.aurora-btn--secondary {
    background: transparent;
    color: var(--aurora-white);
    border-color: var(--aurora-white);
}

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

.aurora-btn--full {
    width: 100%;
}

.aurora-btn__loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* ========================================
   Hero Section
   ======================================== */
.aurora-hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--aurora-primary) 0%, var(--aurora-primary-dark) 100%);
    background-image:
        linear-gradient(135deg, rgba(26, 79, 139, 0.9) 0%, rgba(18, 57, 99, 0.95) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><rect fill="%231a4f8b" width="1200" height="800"/><g fill-opacity="0.1"><circle fill="%23fff" cx="200" cy="150" r="100"/><circle fill="%23fff" cx="800" cy="600" r="150"/><circle fill="%23fff" cx="1000" cy="200" r="80"/></g></svg>');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--aurora-white);
    overflow: hidden;
}

.aurora-hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.4) 100%);
}

.aurora-hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

.aurora-hero__logo {
    margin-bottom: 2rem;
    animation: fadeIn 1.2s ease-out;
}

.aurora-hero__logo img {
    max-width: 250px;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    transition: transform 0.3s ease;
}

.aurora-hero__logo img:hover {
    transform: scale(1.05);
}

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

.aurora-hero__title {
    font-family: var(--aurora-font-heading);
    font-size: clamp(2.5rem, 7vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.aurora-hero__subtitle {
    font-size: clamp(1.125rem, 3vw, 1.5rem);
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
    line-height: 1.6;
}

.aurora-hero__cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.aurora-hero__scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.aurora-hero__scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid var(--aurora-white);
    border-radius: 12px;
    position: relative;
}

.aurora-hero__scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--aurora-white);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 20% { transform: translateX(-50%) translateY(0); opacity: 1; }
    100% { transform: translateX(-50%) translateY(16px); opacity: 0; }
}

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

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

.aurora-services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.aurora-service-card {
    background: var(--aurora-white);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    border: 1px solid var(--aurora-gray-light);
    transition: var(--aurora-transition);
    text-align: center;
}

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

.aurora-service-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--aurora-primary) 0%, var(--aurora-primary-light) 100%);
    border-radius: 50%;
    color: var(--aurora-white);
}

.aurora-service-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--aurora-dark);
}

.aurora-service-card__description {
    color: var(--aurora-gray);
    line-height: 1.7;
}

/* ========================================
   Contact Section
   ======================================== */
.aurora-contact {
    padding: var(--aurora-section-padding);
    background: linear-gradient(135deg, #f9fafb 0%, #e5e7eb 100%);
}

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

.aurora-contact__info {
    padding: 2rem 0;
}

.aurora-contact__description {
    font-size: 1.125rem;
    color: var(--aurora-gray);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.aurora-contact__details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.aurora-contact__detail {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--aurora-gray-dark);
}

.aurora-contact__detail svg {
    color: var(--aurora-primary);
    flex-shrink: 0;
}

.aurora-contact__form-wrapper {
    background: var(--aurora-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--aurora-shadow-lg);
}

/* ========================================
   Form Styles
   ======================================== */
.aurora-form__group {
    margin-bottom: 1.5rem;
}

.aurora-form__label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--aurora-dark);
}

.aurora-form__input,
.aurora-form__textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    border: 2px solid var(--aurora-gray-light);
    border-radius: 8px;
    transition: var(--aurora-transition);
    font-family: inherit;
}

.aurora-form__input:focus,
.aurora-form__textarea:focus {
    outline: none;
    border-color: var(--aurora-primary);
    box-shadow: 0 0 0 3px rgba(26, 79, 139, 0.1);
}

.aurora-form__textarea {
    resize: vertical;
    min-height: 120px;
}

.aurora-form__message {
    margin-bottom: 1rem;
    padding: 12px 16px;
    border-radius: 8px;
    font-weight: 500;
    display: none;
}

.aurora-form__message.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    color: var(--aurora-success);
    border: 1px solid var(--aurora-success);
}

.aurora-form__message.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    color: var(--aurora-error);
    border: 1px solid var(--aurora-error);
}

/* ========================================
   Testimonials Section
   ======================================== */
.aurora-testimonials {
    padding: var(--aurora-section-padding);
    background: var(--aurora-white);
}

.aurora-testimonials-slider {
    padding: 2rem 0 4rem;
}

.aurora-testimonial-card {
    background: var(--aurora-white);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--aurora-gray-light);
    box-shadow: var(--aurora-shadow-md);
    height: auto;
}

.aurora-testimonial-card__rating {
    display: flex;
    gap: 4px;
    margin-bottom: 1.5rem;
}

.aurora-star {
    color: var(--aurora-gray-light);
}

.aurora-star--filled {
    color: var(--aurora-secondary);
}

.aurora-testimonial-card__content {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--aurora-gray-dark);
    margin-bottom: 2rem;
    font-style: italic;
}

.aurora-testimonial-card__author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--aurora-gray-light);
}

.aurora-testimonial-card__avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.aurora-testimonial-card__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.aurora-testimonial-card__author-info h4 {
    font-weight: 700;
    color: var(--aurora-dark);
    margin-bottom: 0.25rem;
}

.aurora-testimonial-card__author-info p {
    color: var(--aurora-gray);
    font-size: 0.9rem;
}

/* Swiper Navigation */
.swiper-button-prev,
.swiper-button-next {
    color: var(--aurora-primary);
}

.swiper-pagination-bullet {
    background: var(--aurora-primary);
}

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

.aurora-footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.aurora-footer__links {
    display: flex;
    gap: 2rem;
}

.aurora-footer__links a {
    color: var(--aurora-white);
    text-decoration: none;
    transition: var(--aurora-transition);
}

.aurora-footer__links a:hover {
    color: var(--aurora-secondary);
}

/* ========================================
   Animations & Utilities
   ======================================== */
.aurora-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Fade in on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .aurora-services,
    .aurora-contact,
    .aurora-testimonials {
        padding: var(--aurora-section-padding-mobile);
    }

    .aurora-hero__cta {
        flex-direction: column;
        width: 100%;
    }

    .aurora-btn {
        width: 100%;
    }

    .aurora-services__grid {
        grid-template-columns: 1fr;
    }

    .aurora-contact__wrapper {
        grid-template-columns: 1fr;
    }

    .aurora-contact__form-wrapper {
        padding: 1.5rem;
    }

    .aurora-footer__content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .aurora-section-title {
        font-size: 1.75rem;
    }

    .aurora-section-subtitle {
        font-size: 1rem;
    }

    .aurora-hero__title {
        font-size: 2rem;
    }

    .aurora-hero__subtitle {
        font-size: 1rem;
    }
}