/* ============================================
   PremiumOil - Premium Lubricants Website
   Style matching Ravenol.de
   ============================================ */

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

:root {
    --primary: #003d7a;
    --primary-dark: #002b57;
    --primary-light: #0057b8;
    --accent: #ffcc00;
    --accent-dark: #e6b800;
    --text: #333333;
    --text-light: #666666;
    --bg-light: #f5f7fa;
    --bg-dark: #001a3a;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.15);
    --radius: 6px;
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--white);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    letter-spacing: 4px;
    color: var(--primary);
    margin-bottom: 40px;
    text-transform: uppercase;
}

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

.section-title.light {
    color: var(--white);
}

/* --- Top Bar --- */
.top-bar {
    background: var(--primary);
    color: var(--white);
    font-size: 0.75rem;
    padding: 6px 0;
    text-align: center;
    position: relative;
    z-index: 100;
}

.top-bar a {
    color: var(--accent);
    text-decoration: underline;
}

.top-bar a:hover {
    color: var(--white);
}

/* --- Header --- */
.main-header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.main-header.scrolled {
    padding: 0;
    background: rgba(0, 45, 87, 0.97);
    backdrop-filter: blur(10px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 20px;
    gap: 20px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.logo-text {
    font-family: 'Oswald', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 2px;
}

.logo-accent {
    color: var(--accent);
}

.logo-tagline {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
    text-transform: lowercase;
    font-style: italic;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 5px;
}

.main-nav a {
    color: var(--white);
    font-family: 'Oswald', sans-serif;
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 1px;
    padding: 10px 14px;
    border-radius: var(--radius);
    transition: var(--transition);
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
    transform: translateX(-50%);
}

.main-nav a:hover::after {
    width: 70%;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.search-box {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.search-box:focus-within {
    background: rgba(255, 255, 255, 0.25);
    border-color: var(--accent);
}

.search-box input {
    background: none;
    border: none;
    color: var(--white);
    padding: 6px 14px;
    font-size: 0.85rem;
    width: 140px;
    outline: none;
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.search-box button {
    background: none;
    border: none;
    color: var(--white);
    padding: 6px 12px;
    cursor: pointer;
}

.lang-switch {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.8rem;
    cursor: pointer;
}

.partner-link {
    color: var(--white);
    font-size: 0.8rem;
    font-family: 'Oswald', sans-serif;
    letter-spacing: 1px;
    padding: 6px 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* --- Hero Section --- */
.hero-section {
    position: relative;
    min-height: 550px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #001a3a 0%, #003d7a 40%, #0057b8 70%, #1a6fd1 100%);
}

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

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-gradient-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(255, 204, 0, 0.1) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 30%, rgba(0, 87, 184, 0.3) 0%, transparent 50%),
        linear-gradient(180deg, transparent 60%, rgba(0, 26, 58, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 20px 120px;
    width: 100%;
}

.hero-main {
    flex: 1;
}

.hero-badge {
    display: flex;
    align-items: center;
    gap: 20px;
}

.hero-number {
    font-family: 'Oswald', sans-serif;
    font-size: 10rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    text-shadow: 0 0 60px rgba(255, 204, 0, 0.3), 0 4px 20px rgba(0, 0, 0, 0.3);
    background: linear-gradient(180deg, #ffffff 30%, #c0d4ea 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-badge-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero-badge-text span:first-child {
    font-family: 'Oswald', sans-serif;
    font-size: 3.5rem;
    font-weight: 300;
    color: var(--white);
    letter-spacing: 8px;
}

.hero-brand {
    font-family: 'Oswald', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 4px;
}

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

.hero-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
    margin-top: 20px;
    letter-spacing: 2px;
}

.hero-ctas {
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 2;
}

.hero-cta-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-family: 'Oswald', sans-serif;
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.oil-finder-btn {
    background: var(--accent);
    color: var(--primary-dark);
    box-shadow: 0 4px 15px rgba(255, 204, 0, 0.4);
}

.oil-finder-btn:hover {
    background: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 204, 0, 0.5);
}

.newsletter-btn {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

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

.hero-anniversary-logo {
    position: absolute;
    bottom: 80px;
    right: 100px;
    opacity: 0.8;
}

.hero-social {
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 3;
}

.hero-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    font-size: 0.85rem;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-social a:hover {
    background: var(--accent);
    color: var(--primary);
    transform: scale(1.15);
}

/* Mobile social - hidden on desktop, shown on mobile */
.hero-social-mobile {
    display: none;
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    z-index: 2;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 80px;
}

/* Particle effect */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 204, 0, 0.3);
    border-radius: 50%;
    animation: float-particle linear infinite;
}

@keyframes float-particle {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(720deg);
        opacity: 0;
    }
}

/* --- Quick Links --- */
.quick-links {
    padding: 30px 0;
    background: var(--white);
    border-bottom: 1px solid #eee;
}

.quick-links-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
}

.quick-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius);
    transition: var(--transition);
    position: relative;
}

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

.quick-link span {
    font-family: 'Oswald', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 1px;
    color: var(--text);
}

.quick-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--accent);
    transition: var(--transition);
    transform: translateX(-50%);
}

.quick-link:hover::after,
.quick-link.active::after {
    width: 100%;
}

.quick-link:hover i,
.quick-link.active i {
    color: var(--accent-dark);
    transform: scale(1.1);
}

/* --- Welcome Section --- */
.welcome-section {
    padding: 60px 0 40px;
}

.welcome-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.welcome-text p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.8;
}

/* Climate Widget */
.climate-widget {
    background: var(--primary);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.climate-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: var(--primary-dark);
    color: var(--white);
    font-family: 'Oswald', sans-serif;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.toggle-switch {
    position: relative;
    width: 44px;
    height: 22px;
    cursor: pointer;
}

.toggle-switch input {
    display: none;
}

.toggle-switch .slider {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 22px;
    transition: var(--transition);
}

.toggle-switch .slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--white);
    top: 2px;
    left: 2px;
    transition: var(--transition);
}

.toggle-switch input:checked + .slider {
    background: var(--accent);
}

.toggle-switch input:checked + .slider::before {
    transform: translateX(22px);
}

.climate-stats {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1px;
    background: rgba(255, 255, 255, 0.1);
    padding: 1px;
}

.climate-stat {
    background: var(--primary);
    padding: 20px 15px;
    text-align: center;
    color: var(--white);
}

.climate-stat.highlight {
    background: var(--accent);
    color: var(--primary-dark);
}

.climate-number {
    font-family: 'Oswald', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    display: block;
    color: var(--accent);
}

.climate-number-big {
    font-family: 'Oswald', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
}

.climate-label {
    font-size: 0.7rem;
    opacity: 0.85;
    display: block;
    margin-top: 4px;
    line-height: 1.3;
}

.climate-link {
    display: block;
    padding: 12px 20px;
    color: var(--accent);
    font-family: 'Oswald', sans-serif;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-align: right;
}

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

/* --- About Video Section --- */
.about-video-section {
    padding: 40px 0 80px;
}

.about-video-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: center;
}

.video-wrapper {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.video-placeholder {
    position: relative;
    background: #000;
}

.video-placeholder img {
    width: 100%;
    display: block;
    opacity: 0.85;
}

.video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.video-overlay:hover {
    background: rgba(0, 0, 0, 0.3);
}

.play-btn {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--accent);
    border: none;
    color: var(--primary-dark);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(255, 204, 0, 0.5);
}

.play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(255, 204, 0, 0.6);
}

.play-btn i {
    margin-left: 4px;
}

.video-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    padding: 8px 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    backdrop-filter: blur(5px);
}

.video-progress {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    overflow: hidden;
    cursor: pointer;
}

.video-progress-bar {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.3s;
}

.video-time {
    color: var(--white);
    font-size: 0.75rem;
    font-family: monospace;
    white-space: nowrap;
}

.video-btns {
    display: flex;
    gap: 8px;
}

.video-btns button {
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    font-size: 0.85rem;
    opacity: 0.8;
}

.video-btns button:hover {
    opacity: 1;
}

.about-text h3 {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 25px;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border: 2px solid var(--primary);
    color: var(--primary);
    font-family: 'Oswald', sans-serif;
    font-size: 0.95rem;
    letter-spacing: 1px;
    border-radius: var(--radius);
    transition: var(--transition);
}

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

/* --- Innovations Section --- */
.innovations-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.innovations-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 20px;
}

.innovation-card {
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    box-shadow: var(--shadow);
}

.innovation-img {
    position: relative;
    height: 100%;
}

.innovation-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    min-height: 250px;
}

.innovation-card:hover .innovation-img img {
    transform: scale(1.08);
}

.innovation-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0, 61, 122, 0.85) 100%);
    display: flex;
    align-items: flex-end;
    padding: 25px;
}

.innovation-badge {
    font-family: 'Oswald', sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.innovation-card.large .innovation-badge {
    font-size: 1.6rem;
}

/* --- Products Section --- */
.products-section {
    padding: 80px 0;
}

.products-slider {
    position: relative;
    overflow: hidden;
}

.products-track {
    display: flex;
    gap: 25px;
    transition: transform 0.5s ease;
}

.product-card {
    min-width: calc(33.333% - 17px);
    background: var(--white);
    border-radius: var(--radius);
    padding: 25px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

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

.product-badge {
    font-size: 0.7rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.product-img {
    width: 100%;
    height: 200px;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 15px;
    background: var(--bg-light);
}

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

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

.product-card h4 {
    font-family: 'Oswald', sans-serif;
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 10px;
    font-weight: 600;
}

.product-card p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 15px;
}

.product-link {
    font-family: 'Oswald', sans-serif;
    font-size: 0.85rem;
    color: var(--primary);
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.product-link:hover {
    color: var(--accent-dark);
}

/* Slider Arrows */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--primary);
    color: var(--primary);
    font-size: 1rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}

.slider-arrow:hover {
    background: var(--primary);
    color: var(--white);
}

.slider-arrow.left { left: -15px; }
.slider-arrow.right { right: -15px; }

/* --- News Section --- */
.news-section {
    padding: 80px 0;
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.news-bg-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Oswald', sans-serif;
    font-size: 15rem;
    font-weight: 700;
    color: rgba(0, 61, 122, 0.04);
    letter-spacing: 20px;
    white-space: nowrap;
    pointer-events: none;
    z-index: 0;
}

.news-slider {
    position: relative;
    overflow: hidden;
}

.news-track {
    display: flex;
    gap: 25px;
    transition: transform 0.5s ease;
}

.news-card {
    min-width: calc(25% - 19px);
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.news-img {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.news-card:hover .news-img img {
    transform: scale(1.08);
}

.news-tag {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.7));
    padding: 20px 15px 10px;
}

.tag-type {
    background: var(--accent);
    color: var(--primary-dark);
    font-family: 'Oswald', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 2px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.tag-date {
    color: var(--white);
    font-size: 0.75rem;
}

.news-content {
    padding: 20px;
}

.news-content h4 {
    font-family: 'Oswald', sans-serif;
    font-size: 0.95rem;
    color: var(--primary);
    margin-bottom: 10px;
    font-weight: 600;
    line-height: 1.4;
}

.news-content p {
    font-size: 0.82rem;
    color: var(--text-light);
    line-height: 1.5;
    margin-bottom: 15px;
}

.see-more {
    font-family: 'Oswald', sans-serif;
    font-size: 0.8rem;
    color: var(--accent-dark);
    letter-spacing: 1px;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.see-more:hover {
    color: var(--primary);
}

/* --- Dates Section --- */
.dates-section {
    padding: 80px 0;
}

.dates-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.date-card {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--white);
    transition: all 0.3s ease;
}

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

.date-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    font-size: 0.7rem;
    color: var(--text-light);
    border-bottom: 1px solid #eee;
}

.date-card-header i {
    color: var(--primary);
    margin-right: 4px;
}

.date-tag {
    background: var(--primary);
    color: var(--white);
    font-family: 'Oswald', sans-serif;
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 2px;
    letter-spacing: 1px;
}

.date-card-img {
    position: relative;
    height: 180px;
    overflow: hidden;
}

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

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

.date-badge {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: var(--accent);
    color: var(--primary-dark);
    padding: 8px 15px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.date-day {
    font-family: 'Oswald', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    display: block;
    line-height: 1;
}

.date-month {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.date-desc {
    padding: 15px;
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dates-calendar {
    text-align: center;
}

.calendar-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 15px;
}

.calendar-nav button {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px 10px;
}

.calendar-nav span {
    font-family: 'Oswald', sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary);
}

.calendar-months {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.calendar-months a {
    padding: 8px 14px;
    font-family: 'Oswald', sans-serif;
    font-size: 0.85rem;
    color: var(--text-light);
    border-radius: var(--radius);
    transition: var(--transition);
}

.calendar-months a:hover,
.calendar-months a.active {
    background: var(--primary);
    color: var(--white);
}

/* --- Videos Section --- */
.videos-section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.videos-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    z-index: 0;
}

.videos-section .container {
    position: relative;
    z-index: 1;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.video-card {
    text-align: center;
    cursor: pointer;
}

.video-card-img {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 15px;
    box-shadow: var(--shadow-lg);
}

.video-card-img img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.video-play-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.video-card:hover .video-play-overlay {
    background: rgba(0, 0, 0, 0.4);
}

.play-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 204, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-size: 1.3rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(255, 204, 0, 0.4);
}

.play-circle i {
    margin-left: 3px;
}

.video-card:hover .play-circle {
    transform: scale(1.15);
    box-shadow: 0 6px 30px rgba(255, 204, 0, 0.6);
}

.video-card h4 {
    color: var(--white);
    font-family: 'Oswald', sans-serif;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 1px;
}

.show-all-link {
    display: block;
    text-align: center;
    color: var(--accent);
    font-family: 'Oswald', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-decoration: underline;
    text-underline-offset: 4px;
}

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

/* --- Partners / Payments Section --- */
.partners-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.partners-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.partner-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    transition: var(--transition);
    padding: 15px 20px;
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow);
    min-width: 100px;
}

.partner-logo:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: var(--accent-dark);
}

.partner-logo span {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.certifications {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 2px solid var(--primary);
    border-radius: 30px;
    color: var(--primary);
    font-family: 'Oswald', sans-serif;
    font-size: 0.85rem;
    letter-spacing: 1px;
    transition: var(--transition);
}

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

.cert-badge i {
    font-size: 1.1rem;
}

/* --- Footer --- */
.main-footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1.3fr;
    gap: 30px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col .footer-logo {
    margin-bottom: 15px;
}

.footer-col .footer-logo .logo-text {
    font-size: 1.5rem;
}

.footer-col p {
    font-size: 0.85rem;
    line-height: 1.7;
    margin-bottom: 8px;
}

.footer-col p i {
    color: var(--accent);
    margin-right: 8px;
    width: 16px;
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.85rem;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
    color: var(--primary-dark);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-family: 'Oswald', sans-serif;
    color: var(--white);
    font-size: 1rem;
    letter-spacing: 1px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent);
}

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

.footer-col li {
    margin-bottom: 8px;
}

.footer-col li a {
    font-size: 0.85rem;
    transition: var(--transition);
}

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

.footer-bottom {
    padding: 20px 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

.footer-links {
    display: flex;
    gap: 20px;
}

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

/* --- Cookie Banner --- */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 26, 58, 0.97);
    backdrop-filter: blur(10px);
    z-index: 9999;
    padding: 20px 0;
    transform: translateY(0);
    transition: transform 0.5s ease;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.cookie-banner.hidden {
    transform: translateY(100%);
}

.cookie-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.cookie-text h4 {
    color: var(--white);
    font-family: 'Oswald', sans-serif;
    font-size: 1rem;
    margin-bottom: 4px;
}

.cookie-text p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
}

.cookie-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.cookie-link {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
    text-decoration: underline;
}

.cookie-btn {
    padding: 8px 20px;
    border-radius: var(--radius);
    font-family: 'Oswald', sans-serif;
    font-size: 0.85rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.cookie-btn.outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
}

.cookie-btn.outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

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

.cookie-btn.primary:hover {
    background: var(--white);
}

.cookie-toggles {
    display: flex;
    gap: 20px;
}

.cookie-toggles label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.cookie-toggles input {
    accent-color: var(--accent);
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 90px;
    right: 30px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    border: none;
    font-size: 1rem;
    cursor: pointer;
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent);
    color: var(--primary-dark);
    transform: translateY(-3px);
}

/* --- Animations --- */
.animate-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

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

[data-animate] {
    opacity: 0;
    transition: all 0.8s ease;
}

[data-animate="fade-up"] {
    transform: translateY(40px);
}

[data-animate="fade-right"] {
    transform: translateX(-40px);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate].animated {
    opacity: 1;
    transform: translate(0, 0);
}

/* Shimmer effect for loading images */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* --- Responsive --- */

/* Tablet landscape */
@media (max-width: 1024px) {
    .container { padding: 0 15px; }
    .header-inner { padding: 8px 15px; }
    .main-nav ul { gap: 0; }
    .main-nav a { padding: 10px 8px; font-size: 0.8rem; }
    .search-box input { width: 100px; }
    .partner-link { display: none; }
    .innovations-grid { grid-template-columns: 1fr 1fr; }
    .innovation-card.large { grid-column: span 2; }
    .news-card { min-width: calc(50% - 13px); }
    .footer-grid { grid-template-columns: repeat(3, 1fr); }
    .hero-number { font-size: 7rem; }
    .hero-badge-text span:first-child { font-size: 2.5rem; }
    .hero-brand { font-size: 2.2rem; }
    .hero-anniversary-logo { display: none; }
}

/* Tablet portrait */
@media (max-width: 768px) {
    /* Header - mobile menu */
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-dark);
        padding: 10px 0;
        box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    }
    .main-nav.open { display: block; }
    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }
    .main-nav li {
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .main-nav a {
        display: block;
        padding: 14px 20px;
        font-size: 1rem;
    }
    .main-nav a::after { display: none; }
    .header-actions {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-dark);
        padding: 15px 20px;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 12px;
        border-top: 1px solid rgba(255,255,255,0.1);
        align-items: center;
    }
    .header-actions.open { display: flex; }
    .mobile-menu-btn { display: flex; }
    .search-box { width: 100%; order: 1; }
    .search-box input { width: 100%; }
    .lang-switch { order: 2; }
    .partner-link { order: 3; display: inline-block; margin-left: auto; }

    /* Hero */
    .hero-section { min-height: 420px; }
    .hero-content {
        flex-direction: column;
        padding: 50px 20px 100px;
        gap: 25px;
        align-items: flex-start;
    }
    .hero-number { font-size: 5rem; }
    .hero-badge-text span:first-child { font-size: 1.8rem; letter-spacing: 4px; }
    .hero-brand { font-size: 1.8rem; letter-spacing: 2px; }
    .hero-subtitle { font-size: 1rem; }
    .hero-ctas { flex-direction: column; width: 100%; gap: 10px; }
    .hero-cta-btn { width: 100%; justify-content: center; padding: 14px 20px; font-size: 0.95rem; }
    .hero-social {
        display: none;
    }
    .hero-social-mobile {
        display: flex;
        gap: 12px;
        justify-content: center;
        margin-top: 5px;
    }
    .hero-social-mobile a {
        width: 38px;
        height: 38px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.15);
        color: var(--white);
        font-size: 0.85rem;
        border: 1px solid rgba(255, 255, 255, 0.2);
        transition: var(--transition);
    }
    .hero-social-mobile a:hover {
        background: var(--accent);
        color: var(--primary);
    }
    .hero-anniversary-logo { display: none !important; }

    /* Quick links */
    .quick-links { padding: 20px 0; }
    .quick-links-grid {
        gap: 8px;
        flex-wrap: wrap;
        justify-content: center;
    }
    .quick-link { padding: 8px 12px; }
    .quick-link i { font-size: 1.2rem; }
    .quick-link span { font-size: 0.75rem; }

    /* Welcome */
    .welcome-section { padding: 40px 0 30px; }
    .welcome-grid { grid-template-columns: 1fr; gap: 25px; }
    .section-title { font-size: 1.8rem; letter-spacing: 2px; margin-bottom: 20px; }

    /* Climate widget */
    .climate-stats { grid-template-columns: 1fr 1fr 1fr; }
    .climate-number { font-size: 1.5rem; }
    .climate-number-big { font-size: 1.2rem; }

    /* About video */
    .about-video-section { padding: 30px 0 50px; }
    .about-video-grid { grid-template-columns: 1fr; gap: 30px; }
    .about-text h3 { font-size: 1.8rem; }

    /* Innovations */
    .innovations-section { padding: 50px 0; }
    .innovations-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .innovation-card.large { grid-column: span 2; }
    .innovation-img img { min-height: 180px; }
    .innovation-badge { font-size: 1rem; }

    /* Products */
    .products-section { padding: 50px 0; }
    .products-track {
        flex-direction: column;
        gap: 20px;
    }
    .product-card {
        min-width: 100%;
        width: 100%;
    }
    .slider-arrow { display: none; }

    /* News */
    .news-section { padding: 50px 0; }
    .news-bg-text { font-size: 6rem; }
    .news-track {
        flex-direction: column;
        gap: 20px;
    }
    .news-card {
        min-width: 100%;
        width: 100%;
    }

    /* Dates */
    .dates-section { padding: 50px 0; }
    .dates-grid { grid-template-columns: 1fr; gap: 20px; }
    .date-card-img { height: 200px; }
    .calendar-months { gap: 5px; }
    .calendar-months a { padding: 6px 10px; font-size: 0.8rem; }

    /* Videos */
    .videos-section { padding: 50px 0; }
    .videos-grid { grid-template-columns: 1fr; gap: 25px; }
    .video-card-img img { height: 200px; }

    /* Partners */
    .partners-section { padding: 50px 0; }
    .partners-grid { gap: 12px; }
    .partner-logo { min-width: 90px; padding: 12px 15px; }
    .certifications { gap: 10px; }
    .cert-badge { padding: 8px 14px; font-size: 0.75rem; }

    /* Footer */
    .main-footer { padding: 40px 0 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 25px; }
    .footer-bottom-inner { flex-direction: column; gap: 10px; text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; gap: 12px; }

    /* Cookie */
    .cookie-banner { padding: 15px 0; }
    .cookie-content { flex-direction: column; gap: 12px; align-items: flex-start; }
    .cookie-actions { margin-left: 0; flex-wrap: wrap; }
    .cookie-toggles { gap: 15px; }

    /* Back to top */
    .back-to-top { bottom: 80px; right: 15px; width: 40px; height: 40px; }
}

/* Mobile */
@media (max-width: 480px) {
    .container { padding: 0 12px; }

    /* Header */
    .logo-text { font-size: 1.4rem; }
    .logo-tagline { font-size: 0.55rem; }

    /* Hero */
    .hero-section { min-height: 350px; }
    .hero-content { padding: 40px 12px 90px; gap: 20px; }
    .hero-number { font-size: 3.5rem; }
    .hero-badge { gap: 12px; }
    .hero-badge-text span:first-child { font-size: 1.3rem; letter-spacing: 3px; }
    .hero-brand { font-size: 1.3rem; }
    .hero-subtitle { font-size: 0.85rem; margin-top: 12px; }
    .hero-ctas { flex-direction: column; width: 100%; gap: 8px; }
    .hero-cta-btn { width: 100%; justify-content: center; padding: 12px 16px; font-size: 0.9rem; }
    .hero-wave svg { height: 50px; }

    /* Quick links */
    .quick-links-grid { gap: 5px; }
    .quick-link { padding: 6px 8px; flex-direction: column; }
    .quick-link i { font-size: 1rem; }
    .quick-link span { font-size: 0.65rem; }

    /* Sections padding */
    .welcome-section { padding: 30px 0 20px; }
    .section-title { font-size: 1.5rem; letter-spacing: 1px; margin-bottom: 15px; }

    /* Climate */
    .climate-header { padding: 10px 12px; font-size: 0.7rem; }
    .climate-stats { grid-template-columns: 1fr 1fr; }
    .climate-stat { padding: 12px 10px; }
    .climate-stat.highlight { grid-column: span 2; }
    .climate-number { font-size: 1.3rem; }
    .climate-number-big { font-size: 1.1rem; }
    .climate-label { font-size: 0.6rem; }

    /* About video */
    .about-video-section { padding: 20px 0 40px; }
    .about-text h3 { font-size: 1.5rem; margin-bottom: 12px; }
    .about-text p { font-size: 0.9rem; }
    .play-btn { width: 55px; height: 55px; font-size: 1.2rem; }
    .video-time { font-size: 0.65rem; }

    /* Innovations */
    .innovations-section { padding: 40px 0; }
    .innovations-grid { grid-template-columns: 1fr; gap: 10px; }
    .innovation-card.large { grid-column: span 1; }
    .innovation-img img { min-height: 160px; }

    /* Products */
    .products-section { padding: 40px 0; }
    .product-card { min-width: 100%; padding: 15px; }
    .product-img { height: 160px; }
    .product-card h4 { font-size: 0.9rem; }
    .product-card p { font-size: 0.8rem; }

    /* News */
    .news-section { padding: 40px 0; }
    .news-bg-text { font-size: 4rem; letter-spacing: 10px; }
    .news-card { min-width: 100%; }
    .news-img { height: 160px; }
    .news-content { padding: 15px; }
    .news-content h4 { font-size: 0.85rem; }
    .news-content p { font-size: 0.75rem; }

    /* Dates */
    .dates-section { padding: 40px 0; }
    .date-card-header { padding: 8px 10px; font-size: 0.6rem; }
    .date-card-img { height: 160px; }
    .date-badge { padding: 6px 10px; }
    .date-day { font-size: 1.5rem; }
    .date-month { font-size: 0.55rem; }
    .date-desc { padding: 10px; font-size: 0.7rem; }

    /* Videos */
    .videos-section { padding: 40px 0; }
    .video-card-img img { height: 180px; }
    .play-circle { width: 50px; height: 50px; font-size: 1rem; }
    .video-card h4 { font-size: 0.85rem; }

    /* Partners */
    .partners-section { padding: 40px 0; }
    .partners-grid { gap: 8px; justify-content: center; }
    .partner-logo { min-width: 70px; padding: 10px 10px; }
    .partner-logo i { font-size: 1.3rem !important; }
    .partner-logo span { font-size: 0.65rem; }
    .certifications { gap: 6px; }
    .cert-badge { padding: 6px 10px; font-size: 0.7rem; gap: 5px; }
    .cert-badge i { font-size: 0.9rem; }

    /* Footer */
    .main-footer { padding: 30px 0 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px 15px; }
    .footer-col:first-child { grid-column: span 2; }
    .footer-col:last-child { grid-column: span 2; }
    .footer-col h4 { margin-bottom: 12px; font-size: 0.9rem; }
    .footer-col li a { font-size: 0.8rem; }
    .footer-col p { font-size: 0.8rem; }
    .footer-social a { width: 32px; height: 32px; font-size: 0.75rem; }
    .footer-bottom { padding: 15px 0; }
    .footer-bottom-inner { font-size: 0.7rem; }
    .footer-links { gap: 8px; font-size: 0.7rem; }

    /* Cookie */
    .cookie-text h4 { font-size: 0.9rem; }
    .cookie-text p { font-size: 0.7rem; }
    .cookie-btn { padding: 7px 14px; font-size: 0.75rem; }
    .cookie-link { font-size: 0.7rem; }
    .cookie-toggles { gap: 10px; }
    .cookie-toggles label { font-size: 0.7rem; }
}

/* Small mobile */
@media (max-width: 360px) {
    .hero-number { font-size: 3rem; }
    .hero-badge-text span:first-child { font-size: 1.1rem; }
    .hero-brand { font-size: 1.1rem; }
    .section-title { font-size: 1.3rem; }
    .product-card { min-width: 100%; }
    .news-card { min-width: 100%; }
    .quick-link span { font-size: 0.6rem; }
}