/* ========================================
   HOVR Airworks – Landing Page Styles
   Light Theme Redesign
   ======================================== */

/* ---------- VARIABLES ---------- */
:root {
    --color-primary: #2FA7A3;
    --color-primary-dark: #057073;
    --color-primary-light: #e6f5f4;
    --color-primary-glow: rgba(47, 167, 163, 0.15);
    --color-bg: #ffffff;
    --color-bg-alt: #f5f7f9;
    --color-bg-card: #ffffff;
    --color-bg-card-hover: #f8fafa;
    --color-bg-dark: #0f1c1c;
    --color-text: #2d3436;
    --color-text-muted: #636e72;
    --color-text-dim: #95a5a6;
    --color-heading: #0d1b1b;
    --color-border: #e0e6e8;
    --color-border-light: #eef2f3;
    --color-white: #ffffff;
    --font-family: 'Barlow', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --container-max: 1200px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

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

ul {
    list-style: none;
}

/* ---------- CONTAINER ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
    text-transform: none;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(47, 167, 163, 0.35);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.4);
}

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

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

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

.btn-full {
    width: 100%;
}

/* ---------- NAVBAR ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.4s ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

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

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

.logo-img {
    height: 44px;
    width: auto;
    transition: filter 0.3s ease;
    /* Logo hat opaken weissen Hintergrund. Die beiden data-Attribute werden
       per JS auf Page-Load mit transparenten Versionen befuellt (weiss + dunkel). */
}

.navbar:not(.scrolled) .logo-img {
    filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.4));
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.nav-link:hover {
    color: var(--color-white);
}

.navbar.scrolled .nav-link {
    color: var(--color-text-muted);
}

.navbar.scrolled .nav-link:hover {
    color: var(--color-heading);
}

.nav-link--cta {
    background: var(--color-primary);
    color: var(--color-white) !important;
    font-weight: 600;
}

.nav-link--cta:hover {
    background: var(--color-primary-dark);
    color: var(--color-white) !important;
}

.navbar.scrolled .nav-link--cta {
    color: var(--color-white) !important;
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.navbar.scrolled .nav-toggle span {
    background: var(--color-heading);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

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

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

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 60%;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(15, 28, 28, 0.3) 0%,
        rgba(15, 28, 28, 0.25) 40%,
        rgba(15, 28, 28, 0.4) 75%,
        rgba(15, 28, 28, 0.65) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 120px 24px 80px;
    max-width: 820px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 18px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 28px;
    animation: fadeInUp 0.8s ease both;
}

.hero-title {
    font-size: clamp(2.2rem, 5.5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    color: var(--color-white);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    animation: fadeInUp 0.8s ease 0.15s both;
}

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

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.75);
    max-width: 620px;
    margin: 0 auto 40px;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.45s both;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.4);
    animation: bounce 2s infinite;
    z-index: 1;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- SECTIONS ---------- */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    color: var(--color-heading);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    line-height: 1.7;
}

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

.services-category {
    margin-bottom: 48px;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.category-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    color: var(--color-primary);
}

.category-icon svg {
    width: 100%;
    height: 100%;
}

.category-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-heading);
}

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

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: block;
    color: inherit;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    color: inherit;
}

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

.service-card-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    margin-bottom: 20px;
    background: var(--color-primary-light);
    border-radius: var(--radius-sm);
    padding: 10px;
}

.service-card-icon svg {
    width: 100%;
    height: 100%;
}

.service-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 12px;
}

.service-card-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 16px;
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-primary-dark);
    font-weight: 600;
    font-size: 0.9rem;
    transition: gap var(--transition);
}

.service-card:hover .service-card-link {
    gap: 10px;
    color: var(--color-primary);
}

/* ---------- ADVANTAGES ---------- */
.section-advantages {
    background: var(--color-bg-alt);
}

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

.advantage-card {
    padding: 36px 28px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    transition: all 0.4s ease;
    position: relative;
}

.advantage-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.advantage-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--color-primary);
    opacity: 0.15;
    line-height: 1;
    margin-bottom: 16px;
    font-variant-numeric: tabular-nums;
}

.advantage-card:hover .advantage-number {
    opacity: 0.35;
}

.advantage-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 10px;
}

.advantage-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.65;
}

/* ---------- REGION ---------- */
.section-region {
    background: var(--color-bg);
}

.region-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.region-text .section-tag {
    display: block;
    text-align: left;
}

.region-text .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.region-text p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.region-text strong {
    color: var(--color-heading);
}

.region-list {
    margin-bottom: 24px;
}

.region-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text);
    font-size: 1rem;
    padding: 8px 0;
}

.region-list li svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.region-note {
    font-style: italic;
    color: var(--color-text-dim) !important;
    font-size: 0.95rem !important;
}

.region-visual {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.region-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
}

/* ---------- CONTACT ---------- */
.section-contact {
    background: var(--color-bg-alt);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.contact-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.contact-card-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    color: var(--color-primary);
}

.contact-card-icon svg {
    width: 100%;
    height: 100%;
}

.contact-card h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
}

.contact-card a,
.contact-card p {
    color: var(--color-heading);
    font-size: 1rem;
    font-weight: 500;
}

/* Form */
.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-heading);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
    background: var(--color-bg);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23636e72' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

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

.form-hint {
    text-align: center;
    color: var(--color-text-dim);
    font-size: 0.85rem;
    margin-top: 16px;
}

/* ---------- FOOTER ---------- */
.footer {
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 64px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-logo {
    height: 30px;
    filter: invert(1);
    margin-bottom: 16px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-links h4,
.footer-legal h4,
.footer-social h4 {
    color: var(--color-white);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.footer-links li,
.footer-legal li {
    margin-bottom: 10px;
}

.footer-links a,
.footer-legal a {
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.95rem;
    transition: color var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.85rem;
    text-align: center;
}

/* Footer Social */
.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.45);
    transition: all var(--transition);
}

.social-links a:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: rgba(47, 167, 163, 0.1);
}

.social-links svg {
    width: 20px;
    height: 20px;
}

/* ---------- SCROLL ANIMATIONS ---------- */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-aos].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .region-content {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 100px 32px 40px;
        gap: 4px;
        transition: right 0.4s ease;
        border-left: 1px solid var(--color-border);
    }

    .nav-menu.open {
        right: 0;
    }

    .nav-menu .nav-link {
        color: var(--color-text);
    }

    .nav-link {
        font-size: 1.1rem;
        padding: 14px 16px;
        width: 100%;
    }

    .nav-link--cta {
        text-align: center;
        margin-top: 16px;
    }

    .hero-content {
        padding: 100px 16px 60px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 320px;
    }

    .section {
        padding: 72px 0;
    }

    .section-header {
        margin-bottom: 48px;
    }

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

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

    .region-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .region-visual {
        order: -1;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 28px 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.9rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .hero-badge {
        font-size: 0.75rem;
    }
}