/* ==========================================
   HAFNER EC - Bauunternehmen Südtirol
   Lead Landing Page Styles
   ========================================== */

/* CSS Variables */
:root {
    --primary: #E6B800;
    --primary-hover: #CCA300;
    --bg-dark: #0A0A0A;
    --bg-surface: #18181B;
    --bg-surface-light: #27272A;
    --text-primary: #FFFFFF;
    --text-secondary: #A1A1AA;
    --text-muted: #71717A;
    --border-color: rgba(255, 255, 255, 0.1);
    --font-heading: 'Chivo', sans-serif;
    --font-body: 'Manrope', sans-serif;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s 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);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Noise Overlay */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.btn i {
    font-size: 1.2em;
    transition: transform var(--transition-fast);
}

.btn:hover i {
    transform: translateX(4px);
}

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

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

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ==========================================
   NAVIGATION
   ========================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-medium), padding var(--transition-medium);
}

.nav.scrolled {
    padding: 12px 0;
    background: rgba(10, 10, 10, 0.95);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.02em;
}

.logo-sub {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 400;
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.nav-cta {
    padding: 12px 24px !important;
    background-color: var(--primary) !important;
    color: var(--text-primary) !important;
    transition: background-color var(--transition-fast), transform var(--transition-fast) !important;
}

.nav-cta:hover {
    background-color: var(--primary-hover) !important;
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 10, 10, 0.95) 0%,
        rgba(10, 10, 10, 0.7) 50%,
        rgba(10, 10, 10, 0.5) 100%
    );
}

.hero-content {
    position: relative;
    max-width: 1280px;
    margin: 0 auto;
    padding: 120px 24px 80px;
}

.hero-overline {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--primary);
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 900;
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.4s;
}

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

.hero-subtitle {
    max-width: 540px;
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.6s;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 60px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.8s;
}

.hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1s;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    color: var(--text-secondary);
    animation: bounce 2s ease infinite;
}

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

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ==========================================
   SECTIONS (General)
   ========================================== */
.section {
    padding: 120px 0;
}

.section-header {
    margin-bottom: 64px;
}

.section-overline {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--primary);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
}

/* ==========================================
   LEISTUNGEN (Services) - Bento Grid
   ========================================== */
.leistungen {
    background-color: var(--bg-dark);
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.bento-card {
    position: relative;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 40px;
    overflow: hidden;
    transition: border-color var(--transition-medium), transform var(--transition-medium);
}

.bento-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.bento-large {
    grid-column: span 2;
}

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

.bento-accent:hover {
    border-color: var(--primary-hover);
    background-color: var(--primary-hover);
}

.bento-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.05);
    line-height: 1;
}

.bento-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 24px;
}

.bento-accent .bento-icon {
    color: var(--text-primary);
}

.bento-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.bento-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.bento-accent p {
    color: rgba(255, 255, 255, 0.85);
}

.bento-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--primary);
    transition: gap var(--transition-fast);
}

.bento-accent .bento-link {
    color: var(--text-primary);
}

.bento-link:hover {
    gap: 12px;
}

/* ==========================================
   ÜBER UNS (About)
   ========================================== */
.ueber-uns {
    background-color: var(--bg-surface);
}

.ueber-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.ueber-text {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.ueber-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 40px 0;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background-color: var(--bg-surface-light);
    border: 1px solid var(--border-color);
}

.feature i {
    font-size: 1.5rem;
    color: var(--primary);
}

.feature span {
    font-weight: 500;
}

.ueber-image {
    position: relative;
}

.ueber-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    filter: grayscale(20%);
}

.ueber-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--primary);
    padding: 24px 32px;
    text-align: center;
}

.badge-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    line-height: 1;
}

.badge-text {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.1em;
}

/* ==========================================
   PROJEKTE (Projects)
   ========================================== */
.projekte {
    background-color: var(--bg-dark);
}

.projekte-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.projekt-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: border-color var(--transition-medium), transform var(--transition-medium);
}

.projekt-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.projekt-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.projekt-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.projekt-card:hover .projekt-image img {
    transform: scale(1.05);
}

.projekt-info {
    padding: 24px;
}

.projekt-type {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--primary);
    margin-bottom: 8px;
    text-transform: uppercase;
}

.projekt-info h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.projekt-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.projekte-cta {
    text-align: center;
    margin-top: 48px;
}

/* ==========================================
   KONTAKT (Contact)
   ========================================== */
.kontakt {
    background-color: var(--bg-surface);
}

.kontakt-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}

.kontakt-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.kontakt-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.kontakt-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.kontakt-item i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-top: 2px;
}

.kontakt-item a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.kontakt-item a:hover {
    color: var(--primary);
}

/* Form */
.kontakt-form-wrapper {
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    padding: 48px;
}

.kontakt-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 16px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23A1A1AA' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
}

.form-group select option {
    background-color: var(--bg-surface);
    color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-checkbox {
    flex-direction: row;
    align-items: center;
    gap: 12px;
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
    cursor: pointer;
}

.form-checkbox label {
    font-size: 0.85rem;
    cursor: pointer;
}

/* Success/Error Messages */
.form-success,
.form-error {
    text-align: center;
    padding: 48px;
}

.form-success i,
.form-error i {
    font-size: 4rem;
    margin-bottom: 24px;
}

.form-success i {
    color: #22C55E;
}

.form-error i {
    color: #EF4444;
}

.form-success h3,
.form-error h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.form-success p,
.form-error p {
    color: var(--text-secondary);
}

/* Honeypot - für Bots versteckt */
.hp-field {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
    pointer-events: none;
}

/* Form Error */
.form-error {
    text-align: center;
    padding: 48px;
}

.form-error i {
    font-size: 4rem;
    color: #EF4444;
    margin-bottom: 24px;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background-color: var(--bg-dark);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 300px;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

.footer-bottom {
  padding-top: 30px;
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Footer Partners */
.footer-partners {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.partners-label {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.partners-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.partners-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

/* ==========================================
   FAQ SECTION
   ========================================== */
.faq {
  background-color: var(--bg-dark);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-color);
  margin-bottom: 16px;
  background-color: var(--bg-surface);
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.faq-item.open {
  border-color: var(--primary);
}

.faq-question {
  width: 100%;
  padding: 24px;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  color: var(--text-primary);
  font-family: var(--font-body);
}

.faq-question h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
  padding-right: 16px;
}

.faq-icon {
  font-size: 1.5rem;
  color: var(--primary);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 24px 24px;
}

.faq-answer p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================
   REGIONEN SECTION
   ========================================== */
.regionen {
  background-color: var(--bg-surface);
}

.section-header-center {
  text-align: center;
}

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

.region-item {
  padding: 32px;
  background-color: var(--bg-dark);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.region-item:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.region-item h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.region-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ==========================================
   SEO & ACCESSIBILITY EXTRAS
   ========================================== */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: var(--text-primary);
  padding: 8px 16px;
  z-index: 10000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

.bento-list {
  list-style: none;
  margin: 16px 0;
  padding: 0;
}

.bento-list li {
  padding: 4px 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.bento-list li::before {
  content: "✓ ";
  color: var(--primary);
}

.section-intro {
  max-width: 700px;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-top: 16px;
}

/* ==========================================
   RESPONSIVE EXTRAS
   ========================================== */
@media (max-width: 1024px) {
  .regionen-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .regionen-grid {
    grid-template-columns: 1fr;
  }
  
  .faq-question {
    padding: 20px;
  }
  
  .faq-question h3 {
    font-size: 1rem;
  }
  
  .footer-brand p {
    max-width: 100%;
  }
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .bento-large {
        grid-column: span 2;
    }
    
    .ueber-grid,
    .kontakt-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .ueber-image {
        order: -1;
    }
    
    .projekte-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.98);
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-cta {
        width: 100%;
        text-align: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .bento-grid {
        grid-template-columns: 1fr;
    }
    
    .bento-large {
        grid-column: span 1;
    }
    
    .ueber-features {
        grid-template-columns: 1fr;
    }
    
    .ueber-badge {
        bottom: auto;
        top: 20px;
        right: 20px;
    }
    
    .projekte-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .kontakt-form-wrapper {
        padding: 32px 24px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 80px 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}