:root {
    --primary: #0077B6;
    --primary-dark: #005F92;
    --primary-light: #0096C7;
    --secondary: #90E0EF;
    --secondary-light: #CAF0F8;
    --tennis-lime: #CCFF00;
    --tennis-dark-lime: #a3cc00;
    --dark: #0F172A;
    --dark-muted: #334155;
    --gray-light: #F1F5F9;
    --gray-border: #E2E8F0;
    --white: #FFFFFF;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 10px 30px rgba(0, 119, 182, 0.08);
    --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.12);
    --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: #F8FAFC;
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    line-height: 1.25;
    color: var(--dark);
}

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

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

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* NAVBAR */
.navbar-header {
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--gray-border);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--tennis-lime);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 119, 182, 0.3);
}

.logo-icon i {
    width: 26px;
    height: 26px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: -0.5px;
    color: var(--dark);
}

.brand-tag {
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 1.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--dark-muted);
}

.nav-link i {
    width: 18px;
    height: 18px;
    opacity: 0.7;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

.nav-link.active i {
    opacity: 1;
    color: var(--primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
    padding: 8px;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1rem;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.88rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
    border-radius: var(--radius-md);
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(0, 119, 182, 0.35);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 119, 182, 0.45);
}

.btn-accent {
    background-color: var(--tennis-lime);
    color: var(--dark);
    box-shadow: 0 4px 14px rgba(204, 255, 0, 0.4);
}

.btn-accent:hover {
    background-color: var(--tennis-dark-lime);
    color: var(--dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

/* HERO SECTION */
.hero-section {
    position: relative;
    padding: 80px 0 100px 0;
    background: linear-gradient(135deg, #023E8A 0%, #0077B6 50%, #0096C7 100%);
    color: var(--white);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(rgba(204, 255, 0, 0.12) 2px, transparent 2px);
    background-size: 32px 32px;
    opacity: 0.6;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--tennis-lime);
    margin-bottom: 20px;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.15;
}

.hero-title span {
    color: var(--tennis-lime);
}

.hero-sub {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 24px;
}

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

.stat-num {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--tennis-lime);
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
}

.hero-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    color: var(--dark);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.hero-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--gray-light);
    padding-bottom: 14px;
}

.hero-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-dark);
}

/* SECTION COMMONS */
.section-padding {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px auto;
}

.section-tag {
    display: inline-block;
    color: var(--primary);
    font-weight: 800;
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.section-title {
    font-size: 2.4rem;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.section-desc {
    color: #64748B;
    font-size: 1.1rem;
}

/* CARDS & GRIDS */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 32px;
    border: 1px solid var(--gray-border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.card-icon-box {
    width: 56px;
    height: 56px;
    background-color: var(--secondary-light);
    color: var(--primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.card-icon-box i {
    width: 28px;
    height: 28px;
}

.feature-card h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: #64748B;
    font-size: 0.98rem;
    margin-bottom: 20px;
}

/* RACKET CARD */
.racket-card {
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-border);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.racket-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.racket-img-wrapper {
    position: relative;
    height: 220px;
    background-color: #F1F5F9;
    overflow: hidden;
}

.racket-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.racket-card:hover .racket-img-wrapper img {
    transform: scale(1.06);
}

.racket-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background-color: var(--dark);
    color: var(--tennis-lime);
    font-size: 0.75rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 50px;
    letter-spacing: 0.5px;
}

.racket-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.racket-brand {
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.racket-title {
    font-size: 1.3rem;
    margin: 4px 0 12px 0;
}

.racket-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    background-color: var(--gray-light);
    padding: 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 18px;
    font-size: 0.85rem;
}

.spec-item {
    display: flex;
    flex-direction: column;
}

.spec-key {
    color: #64748B;
    font-size: 0.75rem;
}

.spec-val {
    font-weight: 700;
    color: var(--dark);
}

/* CALCULATOR WIDGET */
.calc-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-border);
    padding: 36px;
    box-shadow: var(--shadow-md);
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

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

.form-label {
    display: block;
    font-weight: 700;
    font-size: 0.92rem;
    margin-bottom: 8px;
    color: var(--dark);
}

.form-control, .form-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    background-color: #FAFAFA;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    outline: none;
    border-color: var(--primary);
    background-color: var(--white);
    box-shadow: 0 0 0 4px rgba(0, 119, 182, 0.15);
}

.calc-result-box {
    background: linear-gradient(145deg, #0F172A 0%, #1E293B 100%);
    color: var(--white);
    border-radius: var(--radius-md);
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.calc-res-value {
    font-family: 'Outfit', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--tennis-lime);
    line-height: 1;
    margin: 16px 0;
}

.calc-res-detail {
    font-size: 0.95rem;
    color: #94A3B8;
    border-top: 1px solid #334155;
    padding-top: 16px;
}

/* CITY SEARCH & LISTING */
.search-bar-box {
    background-color: var(--white);
    padding: 12px;
    border-radius: 50px;
    box-shadow: var(--shadow-md);
    display: flex;
    gap: 12px;
    max-width: 680px;
    margin: 0 auto 40px auto;
    border: 1px solid var(--gray-border);
}

.search-input {
    flex-grow: 1;
    border: none;
    padding: 8px 20px;
    font-size: 1.05rem;
    font-family: inherit;
    border-radius: 50px;
}

.search-input:focus {
    outline: none;
}

.city-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.city-card {
    background-color: var(--white);
    border: 1px solid var(--gray-border);
    padding: 18px 20px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    color: var(--dark);
    transition: var(--transition);
}

.city-card:hover {
    border-color: var(--primary);
    background-color: var(--secondary-light);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.city-badge {
    background-color: var(--gray-light);
    color: var(--primary);
    font-size: 0.78rem;
    padding: 4px 8px;
    border-radius: 6px;
}

/* FOOTER */
.site-footer {
    background-color: #0B132B;
    color: #94A3B8;
    padding: 80px 0 30px 0;
    border-top: 1px solid #1E293B;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo .brand-name {
    color: var(--white);
}

.footer-desc {
    margin: 16px 0 24px 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 38px;
    height: 38px;
    background-color: #1E293B;
    color: var(--white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary);
    color: var(--tennis-lime);
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul a {
    color: #94A3B8;
    font-size: 0.92rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-col ul a:hover {
    color: var(--tennis-lime);
    padding-left: 4px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid #1E293B;
    padding-top: 30px;
    font-size: 0.88rem;
}

.footer-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--tennis-lime);
    font-weight: 700;
}

/* COOKIE BANNER (DSGVO / RGPD) */
.cookie-banner {
    position: fixed;
    bottom: -200px;
    left: 24px;
    right: 24px;
    max-width: 900px;
    margin: 0 auto;
    background-color: #0F172A;
    color: var(--white);
    border: 1px solid #334155;
    border-radius: var(--radius-md);
    padding: 20px 24px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    z-index: 9999;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.cookie-banner.show {
    bottom: 24px;
    opacity: 1;
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.cookie-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.cookie-icon {
    width: 42px;
    height: 42px;
    background-color: rgba(204, 255, 0, 0.15);
    color: var(--tennis-lime);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cookie-title {
    font-size: 1.05rem;
    color: var(--white);
    margin-bottom: 4px;
}

.cookie-text {
    font-size: 0.85rem;
    color: #94A3B8;
    line-height: 1.45;
}

.cookie-text a {
    color: var(--tennis-lime);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* ANIMATIONS */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }
    
    .calc-grid {
        grid-template-columns: 1fr;
    }

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

    .hero-title {
        font-size: 2.5rem;
    }

    .cookie-content {
        flex-direction: column;
        align-items: stretch;
    }

    .cookie-actions {
        justify-content: flex-end;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 76px;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--gray-border);
        box-shadow: var(--shadow-lg);
        display: none;
    }

    .nav-menu.open {
        display: flex;
    }

    .mobile-toggle {
        display: block;
    }

    .hero-title {
        font-size: 2.1rem;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .cookie-banner {
        left: 12px;
        right: 12px;
    }
}