/* Reset y variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --dark-gray: #1f2937;
    --light-gray: #f3f4f6;
    --white: #ffffff;
    --text-color: #374151;
    --border-radius: 12px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: var(--white);
    border-bottom: 3px solid var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow 0.3s ease, background 0.3s ease;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}

header.scrolled {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.13);
}

header nav.container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2.5rem;
}

header.scrolled nav.container {
    padding: 1.2rem 2.5rem;
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    letter-spacing: -0.5px;
    text-decoration: none;
    cursor: pointer;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #374151;
    transition: all 0.3s;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
    padding: 0.4rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

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

.nav-links a.btn-contact {
    background: var(--primary-color);
    color: var(--white) !important;
    padding: 0.7rem 1.6rem;
    border-radius: 6px;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
    letter-spacing: 0.05em;
    text-transform: uppercase !important;
    font-size: 0.9rem !important;
    font-weight: 700 !important;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}

.nav-links a.btn-contact::after {
    display: none;
}

.nav-links a.btn-contact:hover {
    background: #b91c1c;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.4);
    color: var(--white) !important;
}

/* Language Selector */
.lang-selector {
    position: relative;
    list-style: none;
}

.lang-current {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: none;
    border: 1.5px solid #d1d5db;
    border-radius: 6px;
    padding: 0.4rem 0.7rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: #374151;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.05em;
}

.lang-current:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.lang-current svg {
    transition: transform 0.2s;
}

.lang-selector.open .lang-current svg {
    transform: rotate(180deg);
}

.lang-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 0;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    list-style: none;
    min-width: 130px;
    overflow: hidden;
    z-index: 100;
}

.lang-selector.open .lang-dropdown {
    display: block;
}

.lang-dropdown a {
    display: block;
    padding: 0.6rem 1rem;
    color: #374151;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: background 0.15s;
    text-transform: none;
    letter-spacing: 0;
}

.lang-dropdown a::after {
    display: none !important;
}

.lang-dropdown a:hover {
    background: var(--light-gray);
    color: var(--primary-color);
}

.lang-dropdown a.active {
    color: var(--primary-color);
    font-weight: 700;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    position: relative;
    background: #000;
    color: var(--white);
    padding: 8rem 0 12rem;
    text-align: center;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 31, 68, 0.75) 0%, rgba(30, 58, 138, 0.65) 50%, rgba(37, 99, 235, 0.55) 100%);
    pointer-events: none;
    z-index: 1;
}

.hero-waves {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 2;
}

.waves {
    position: relative;
    width: 100%;
    height: 15vh;
    margin-bottom: -7px;
    min-height: 100px;
    max-height: 150px;
}

.parallax > use {
    animation: move-forever 25s cubic-bezier(.55,.5,.45,.5) infinite;
}

.parallax > use:nth-child(1) {
    animation-delay: -2s;
    animation-duration: 7s;
}

.parallax > use:nth-child(2) {
    animation-delay: -3s;
    animation-duration: 10s;
}

.parallax > use:nth-child(3) {
    animation-delay: -4s;
    animation-duration: 13s;
}

.parallax > use:nth-child(4) {
    animation-delay: -5s;
    animation-duration: 20s;
}

@keyframes move-forever {
    0% {
        transform: translate3d(-90px, 0, 0);
    }
    100% {
        transform: translate3d(85px, 0, 0);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.3));
}

.hero-logo {
    height: 120px;
    width: auto;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.4));
}

.hero-content h1 {
    font-size: 3.2rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out;
    font-weight: 800;
    line-height: 1.2;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    font-weight: 300;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.badge {
    background: rgba(255, 255, 255, 0.15);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    backdrop-filter: blur(15px);
    font-size: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.badge:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.badge-icon {
    font-size: 1.2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-block;
    background: var(--accent-color);
    color: var(--white);
    padding: 1.2rem 3rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s;
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(245, 158, 11, 0.4);
}

.btn-outline {
    display: inline-block;
    background: transparent;
    color: var(--white);
    padding: 1.2rem 3rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
    animation: fadeInUp 0.8s ease-out 0.8s both;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Benefits Section */
.benefits {
    padding: 6rem 0;
    background: linear-gradient(to bottom, #f9fafb, #ffffff);
    position: relative;
}

.benefits::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
}

.benefits h2 {
    text-align: center;
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 800;
    position: relative;
    display: inline-block;
    width: 100%;
}

.benefits h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 2px;
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-color);
    max-width: 600px;
    margin: 2.5rem auto 3.5rem;
    line-height: 1.6;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.benefit-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    border-color: var(--secondary-color);
}

.benefit-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: transform 0.3s ease;
}

.benefit-card:hover .benefit-icon {
    transform: scale(1.1) rotate(5deg);
}

.benefit-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
}

.benefit-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* In Action Section */
.in-action {
    padding: 0;
    background: var(--white);
    position: relative;
}

.showcase-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-template-rows: auto auto;
    gap: 0;
    min-height: 600px;
}

.showcase-item {
    position: relative;
    overflow: hidden;
    min-height: 300px;
    display: flex;
    align-items: flex-end;
}

.showcase-large {
    grid-row: 1 / 3;
    min-height: 600px;
}

.showcase-item img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.showcase-item:hover img {
    transform: scale(1.05);
}

.showcase-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.3) 50%, transparent 100%);
    z-index: 1;
    transition: opacity 0.3s ease;
}

.showcase-item:hover::before {
    opacity: 0.9;
}

.showcase-content {
    position: relative;
    z-index: 2;
    padding: 2.5rem;
    color: var(--white);
    width: 100%;
    transform: translateY(20px);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
    animation-delay: 0.2s;
}

.showcase-tag {
    display: inline-block;
    background: rgba(245, 158, 11, 0.9);
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
}

.showcase-content h3 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    line-height: 1.2;
}

.showcase-content p {
    font-size: 1.1rem;
    opacity: 0.95;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    max-width: 500px;
}

.showcase-info {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.showcase-info::before {
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.showcase-highlight {
    text-align: center;
    color: var(--white);
    padding: 2rem;
    position: relative;
    z-index: 2;
    transform: translateY(20px);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
    animation-delay: 0.4s;
}

.highlight-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    animation: float 3s ease-in-out infinite;
}

.showcase-highlight h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.highlight-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 1.5rem;
}

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

.h-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-color);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.h-label {
    font-size: 0.9rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.25rem;
}

.showcase-highlight p {
    font-size: 1rem;
    opacity: 0.9;
}

/* Products Section */
.products {
    padding: 6rem 0;
    background: var(--white);
    position: relative;
}

.products::before {
    content: '⚓';
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 8rem;
    opacity: 0.03;
    pointer-events: none;
}

.products h2 {
    text-align: center;
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 800;
    position: relative;
    display: inline-block;
    width: 100%;
}

.products h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-color);
    margin: 2.5rem auto 4rem;
    max-width: 600px;
    line-height: 1.6;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.product-card:last-child:nth-child(3n + 1) {
    grid-column: 2;
}

.product-card {
    background: var(--white);
    border: 2px solid #e5e7eb;
    border-radius: 24px;
    padding: 0;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.03), rgba(37, 99, 235, 0.03));
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.product-card:hover::after {
    opacity: 1;
}

.product-card:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 20px 40px rgba(30, 58, 138, 0.15);
    transform: translateY(-8px);
}

.product-image {
    width: 100%;
    height: 280px;
    margin-bottom: 0;
    border-radius: 0;
    overflow: hidden;
    background: linear-gradient(135deg, #f3f4f6, #e5e7eb);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.product-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.05));
    z-index: 1;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.product-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-video {
    transform: scale(1.08);
}

.product-card > h3,
.product-card > p,
.product-card > .product-specs,
.product-card > .product-price,
.product-card > .export-price,
.product-card > .shipping-note,
.product-card > .product-feature,
.product-card > button {
    padding-left: 2rem;
    padding-right: 2rem;
}

.product-card > h3 {
    padding-top: 2rem;
}

.product-card > button {
    margin: 0 2rem 2rem;
    width: calc(100% - 4rem);
}

.product-card.featured {
    border-color: var(--accent-color);
    background: linear-gradient(135deg, #fffbeb, var(--white));
}

.product-card.featured > h3 {
    text-align: center;
    font-size: 1.3rem;
    line-height: 1.35;
    padding-top: 1.5rem;
    padding-bottom: 0.25rem;
    border-bottom: 2px solid var(--accent-color);
    margin-bottom: 0.75rem;
}

.product-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.5rem 1.2rem;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: bold;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-badge.pro {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.product-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.product-model {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.product-specs {
    background: linear-gradient(135deg, #f9fafb, #f3f4f6);
    padding: 1.2rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid #e5e7eb;
}

.product-specs p {
    margin: 0.6rem 0;
    font-size: 0.95rem;
    color: #4b5563;
    display: flex;
    align-items: center;
}

.product-specs p::before {
    content: '◆';
    color: var(--secondary-color);
    margin-right: 0.5rem;
    font-size: 0.7rem;
}

.product-price {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.export-price {
    font-size: 0.9rem;
    color: #059669;
    font-weight: 600;
    margin-bottom: 1rem;
}

.shipping-note {
    font-size: 0.85rem;
    color: #6b7280;
    font-style: italic;
    margin-bottom: 1rem;
}

.product-feature {
    color: #059669;
    font-size: 0.95rem;
    margin: 0.3rem 0;
}

.btn-secondary {
    width: 100%;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--white);
    border: none;
    padding: 1rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-secondary:hover::before {
    left: 100%;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

/* Installation Section */
.installation {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.installation::before {
    content: '⚙';
    position: absolute;
    top: 50%;
    left: -5%;
    font-size: 20rem;
    opacity: 0.05;
    transform: translateY(-50%) rotate(-15deg);
}

.installation h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 1rem;
    font-weight: 800;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.installation h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--accent-color);
    margin: 1.5rem auto;
    border-radius: 2px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step {
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
    background: var(--white);
}

.step-number {
    background: linear-gradient(135deg, var(--accent-color), #d97706);
    color: var(--white);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
    transition: all 0.3s ease;
}

.step:hover .step-number {
    transform: scale(1.1) rotate(5deg);
}

.step h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
    font-weight: 700;
}

.step p {
    color: #4b5563;
    line-height: 1.6;
}

/* FAQ Section */
.faq {
    padding: 6rem 0;
    background: linear-gradient(to bottom, #ffffff, #f9fafb);
}

.faq h2 {
    text-align: center;
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 800;
    position: relative;
    display: inline-block;
    width: 100%;
}

.faq h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 2px;
}

.faq-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-color);
    max-width: 600px;
    margin: 2.5rem auto 3.5rem;
    line-height: 1.6;
}

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

.faq-item {
    background: var(--white);
    border: 2px solid #e5e7eb;
    border-radius: 16px;
    margin-bottom: 1.25rem;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.faq-item:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.1);
}

.faq-item.active {
    border-color: var(--secondary-color);
    box-shadow: 0 6px 24px rgba(37, 99, 235, 0.15);
}

.faq-question {
    padding: 1.75rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
    user-select: none;
}

.faq-question:hover {
    background: #f9fafb;
}

.faq-question h3 {
    font-size: 1.15rem;
    color: var(--primary-color);
    font-weight: 600;
}

.faq-toggle {
    font-size: 1.75rem;
    color: var(--secondary-color);
    transition: transform 0.3s ease;
    font-weight: 300;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f3f4f6;
    border-radius: 50%;
    flex-shrink: 0;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
    background: var(--secondary-color);
    color: var(--white);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 2rem 1.75rem;
    color: #4b5563;
    line-height: 1.7;
    font-size: 1rem;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #0a1f44 0%, var(--primary-color) 50%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(245, 158, 11, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(37, 99, 235, 0.2) 0%, transparent 50%);
}

.cta h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1;
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

.cta .btn-primary {
    position: relative;
    z-index: 1;
}

/* Footer */
footer {
    background: linear-gradient(to bottom, #111827, #1f2937);
    color: var(--white);
    padding: 4rem 0 1.5rem;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    color: var(--accent-color);
    font-size: 1.2rem;
    font-weight: 700;
}

.footer-section p {
    line-height: 1.7;
    opacity: 0.9;
}

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

.footer-section ul li {
    margin: 0.75rem 0;
    opacity: 0.8;
    transition: all 0.3s;
    padding-left: 1.2rem;
    position: relative;
}

.footer-section ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    opacity: 0;
    transition: all 0.3s;
}

.footer-section ul li:hover {
    opacity: 1;
    padding-left: 1.5rem;
}

.footer-section ul li:hover::before {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
    font-size: 0.95rem;
}

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

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .lang-selector {
        width: 100%;
        border-top: 1px solid #e5e7eb;
        padding-top: 0.75rem;
    }

    .lang-dropdown {
        position: static;
        box-shadow: none;
        border: 1px solid #e5e7eb;
        border-radius: 6px;
        margin-top: 0.4rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1.5rem;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
        border-radius: 0 0 12px 12px;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        padding: 6rem 0 10rem;
        min-height: 85vh;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.15rem;
    }

    .hero-badges {
        flex-direction: column;
        gap: 0.8rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn-primary,
    .btn-outline {
        width: 100%;
        padding: 1.1rem 2rem;
    }

    .hero-stats {
        gap: 2rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .benefits h2,
    .products h2,
    .installation h2,
    .faq h2,
    .cta h2 {
        font-size: 2rem;
    }

    .section-intro,
    .faq-intro {
        font-size: 1rem;
        margin: 1.5rem auto 2.5rem;
    }

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

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

    .showcase-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .showcase-large {
        grid-row: auto;
        min-height: 400px;
    }

    .showcase-item {
        min-height: 350px;
    }

    .showcase-content h3 {
        font-size: 1.5rem;
    }

    .showcase-content {
        padding: 2rem;
    }

    .highlight-stats {
        gap: 2rem;
    }

    .h-number {
        font-size: 2rem;
    }

    .product-card > h3,
    .product-card > p,
    .product-card > .product-specs,
    .product-card > .product-price,
    .product-card > .export-price,
    .product-card > .shipping-note,
    .product-card > .product-feature {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .product-card > button {
        margin: 0 1.5rem 1.5rem;
        width: calc(100% - 3rem);
    }

    .product-image {
        height: 240px;
    }

    .faq-question {
        padding: 1.25rem 1.5rem;
    }

    .faq-question h3 {
        font-size: 1rem;
        padding-right: 1rem;
    }

    .faq-answer p {
        padding: 0 1.5rem 1.25rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }

    .hero-icon {
        font-size: 3rem;
    }

    .product-price {
        font-size: 1.75rem;
    }
    
    .product-image {
        height: 200px;
    }

    .benefit-icon {
        font-size: 2.8rem;
    }

    .step-number {
        width: 60px;
        height: 60px;
        font-size: 1.6rem;
    }

    .badge {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }

    .benefits h2,
    .products h2,
    .installation h2,
    .faq h2,
    .cta h2 {
        font-size: 1.75rem;
    }
}