/* ==============================
   Design System Variables
   ============================== */
:root {
    /* Brand Colors */
    --color-primary: #3E6A97;
    --color-primary-dark: #2F557C;
    --color-primary-light: #5B86B3;

    --color-accent: #5F5F64;
    --color-accent-dark: #4C4C50;
    --color-accent-light: #7A7A80;

    /* Base Colors */
    --color-bg: #F7F7F7;
    --color-bg-alt: #EFEFEF;
    --color-card: #FFFFFF;

    /* Text Colors */
    --color-heading: #2F557C;
    --color-text: #3A3A3D;
    --color-muted: #6F7378;
    --color-border: #D9DDE2;

    /* Footer Palette */
    --color-footer-bg: #11161C;
    --color-footer-heading: #FFFFFF;
    --color-footer-text: rgba(255, 255, 255, 0.72);
    --color-footer-border: rgba(255, 255, 255, 0.10);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #5B86B3 0%, #2F557C 100%);
    --gradient-accent: linear-gradient(135deg, #7A7A80 0%, #4C4C50 100%);
    --gradient-surface: linear-gradient(180deg, #F7F7F7 0%, #EFEFEF 100%);

    /* Typography */
    --font-primary: 'Alexandria', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --section-padding: 7rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 6px 20px rgba(62, 106, 151, 0.12);
    --shadow-lg: 0 10px 40px rgba(95, 95, 100, 0.15);
    --shadow-primary: 0 8px 30px rgba(62, 106, 151, 0.22);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.8;
    overflow-x: hidden;
    font-weight: 400;
    word-spacing: 0.02em;
}

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

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

button {
    font: inherit;
    border: none;
    background: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

/* ==============================
   Layout
   ============================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ==============================
   Loading Screen
   ============================== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: var(--color-bg);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
}

.loading-logo {
    width: 67px;
    height: auto;
    margin-bottom: 2rem;
    animation: pulse 2s infinite;
}

.loading-bar {
    width: 235px;
    height: 3px;
    margin: 10px;
    overflow: hidden;
    background: rgba(58, 58, 61, 0.1);
    border-radius: 10px;
}

.loading-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(0.95);
    }
}

@keyframes loading {
    0% {
        width: 0%;
    }
    100% {
        width: 100%;
    }
}

/* ==============================
   Navigation
   ============================== */
.navbar {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(217, 221, 226, 0.8);
    box-shadow: 0 2px 12px rgba(62, 106, 151, 0.06);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(217, 221, 226, 1);
    box-shadow: 0 2px 20px rgba(62, 106, 151, 0.1);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 2rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-logo {
    width: 285px;
    height: auto;
}

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

.brand-name {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-heading);
}

.brand-tagline {
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--color-muted);
}

.nav-toggle {
    z-index: 1001;
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    height: 22px;
}

.nav-toggle span {
    width: 100%;
    height: 2px;
    background: var(--color-heading);
    border-radius: 10px;
    transition: var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    list-style: none;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-fast);
}

[dir='ltr'] .nav-link::after {
    left: 0;
    right: auto;
}

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

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

.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: var(--color-bg-alt);
    color: var(--color-text);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 700;
    transition: var(--transition-normal);
}

.lang-switch:hover {
    color: #ffffff;
    background: var(--gradient-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.lang-switch:hover svg {
    stroke: #ffffff;
}

.catalog-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: var(--gradient-primary);
    color: #ffffff;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 700;
    transition: var(--transition-fast);
}

.catalog-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

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

    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
        width: 280px;
        height: 100vh;
        padding: 5rem 2rem;
        background: var(--color-card);
        border-left: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        transform: translateX(100%);
        transition: transform var(--transition-normal);
    }

    [dir='rtl'] .nav-menu {
        left: 0;
        right: auto;
        border-right: 1px solid var(--color-border);
        border-left: none;
        transform: translateX(-100%);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link {
        width: 100%;
        font-size: 1.05rem;
    }
}

/* ==============================
   Buttons
   ============================== */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    overflow: hidden;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
    will-change: transform;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
}

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

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

.btn-secondary:hover {
    background: var(--color-bg-alt);
    border-color: var(--color-primary);
}

/* ==============================
   Section Headings
   ============================== */
.section-header {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.section-label {
    display: inline-block;
    margin-bottom: 1.25rem;
    padding: 0.4rem 1.25rem;
    background: var(--color-bg-alt);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.section-title {
    max-width: 700px;
    margin: 0 auto;
    color: var(--color-heading);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: 0.3px;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 1.75rem;
    }
}

/* ==============================
   Hero Section
   ============================== */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(62, 106, 151, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 30%, rgba(95, 95, 100, 0.05) 0%, transparent 50%);
}

.hero-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    opacity: 0.15;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 20s infinite;
}

.shape-1 {
    top: 5%;
    left: 5%;
    width: 500px;
    height: 500px;
    background: var(--color-primary);
    animation-delay: 0s;
}

.shape-2 {
    right: 10%;
    bottom: 15%;
    width: 350px;
    height: 350px;
    background: var(--color-accent);
    animation-delay: 5s;
}

.shape-3 {
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    background: var(--color-primary);
    opacity: 0.08;
    animation-delay: 10s;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
}

.hero-content {
    animation: slideInRight 1s ease;
}

[dir='ltr'] .hero-content {
    animation: slideInLeft 1s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    padding: 0.5rem 1.25rem;
    background: rgba(62, 106, 151, 0.08);
    color: var(--color-primary);
    border: 1px solid rgba(62, 106, 151, 0.16);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
}

.badge-icon {
    font-size: 1rem;
}

.hero-title {
    margin-bottom: 1.5rem;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.15;
}

.title-main {
    display: block;
    color: var(--color-heading);
}

.title-brand {
    display: block;
    color: var(--color-primary);
}

.title-sub {
    display: block;
    color: var(--color-muted);
    font-size: 2rem;
    font-weight: 400;
}

.hero-description {
    max-width: 520px;
    margin-bottom: 2.5rem;
    color: var(--color-text);
    font-size: 1.05rem;
    font-weight: 400;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    color: var(--color-primary);
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    margin-top: 0.25rem;
    color: var(--color-muted);
    font-size: 0.8rem;
    font-weight: 400;
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: rgba(217, 221, 226, 0.9);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-image {
    position: relative;
    animation: slideInLeft 1s ease;
}

[dir='ltr'] .hero-image {
    animation: slideInRight 1s ease;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 560px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.slider-container,
.slider-slide,
.slide-content {
    position: relative;
    width: 100%;
    height: 100%;
}

.slider-slide {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s ease;
}

.slider-slide.active {
    opacity: 1;
    pointer-events: auto;
}

.slide-content {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    background: var(--color-bg-alt);
}

.slide-img {
    width: 350px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(62, 106, 151, 0.18));
    animation: float-slide 3s ease-in-out infinite;
}

.slide-overlay {
    position: absolute;
    right: 2rem;
    bottom: 2rem;
    left: 2rem;
    padding: 1.5rem 2rem;
    background: rgba(255, 255, 255, 0.88);
    color: var(--color-text);
    border: 1px solid rgba(217, 221, 226, 0.9);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

.slide-overlay h3 {
    margin-bottom: 0.25rem;
    color: var(--color-primary);
    font-size: 1.4rem;
    font-weight: 700;
}

.slide-overlay p {
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 400;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.75);
    color: var(--color-muted);
    border: 1px solid rgba(217, 221, 226, 0.9);
    border-radius: 50%;
    cursor: pointer;
    transform: translateY(-50%);
    transition: var(--transition-fast);
}

.slider-arrow:hover {
    background: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
    transform: translateY(-50%) scale(1.05);
}

.slider-prev {
    left: 1.5rem;
}

.slider-next {
    right: 1.5rem;
}

.slider-dots {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    z-index: 10;
    display: flex;
    gap: 0.75rem;
    transform: translateX(-50%);
}

.dot {
    width: 8px;
    height: 8px;
    background: rgba(95, 95, 100, 0.25);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
}

.dot.active,
.dot:hover {
    background: var(--color-primary);
    transform: scale(1.3);
}

.slider-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(62, 106, 151, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.4;
    transform: translateX(-50%);
}

.scroll-line {
    position: relative;
    width: 1px;
    height: 36px;
    overflow: hidden;
    background: rgba(95, 95, 100, 0.25);
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 16px;
    background: var(--color-primary);
    animation: scroll-down 2s infinite;
}

.scroll-text {
    color: var(--color-muted);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 2;
    }

    .hero-image {
        order: 1;
        height: 380px;
    }

    .hero-badge,
    .hero-stats,
    .hero-cta {
        justify-content: center;
    }

    .hero-description {
        margin-right: auto;
        margin-left: auto;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.25rem;
    }

    .title-sub {
        font-size: 1.5rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .stat-divider {
        display: none;
    }

    .hero-slider {
        height: 380px;
    }

    .slide-img {
        width: 220px;
    }

    .slide-overlay {
        right: 1rem;
        bottom: 1rem;
        left: 1rem;
        padding: 1rem 1.25rem;
    }

    .slide-overlay h3 {
        font-size: 1.1rem;
    }

    .slide-overlay p {
        font-size: 0.8rem;
    }

    .slider-arrow {
        width: 36px;
        height: 36px;
    }

    .slider-prev {
        left: 0.75rem;
    }

    .slider-next {
        right: 0.75rem;
    }
}

/* ==============================
   About Section
   ============================== */
.about {
    padding: var(--section-padding) 0;
    background: var(--color-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    align-items: start;
    gap: 4rem;
}

.about-highlight {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.75rem 2rem;
    background: var(--gradient-primary);
    color: #ffffff;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
}

.highlight-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 2rem;
    line-height: 1;
}

.highlight-content h3 {
    margin-bottom: 0.25rem;
    color: #ffffff;
    font-size: 1.15rem;
    font-weight: 700;
}

.highlight-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.85rem;
    font-weight: 600;
}

.about-description {
    margin-bottom: 2rem;
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.95;
    letter-spacing: 0.2px;
}

.production-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin: 2rem 0;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(62, 106, 151, 0.08), rgba(95, 95, 100, 0.08));
    border: 1px solid rgba(62, 106, 151, 0.18);
    border-radius: var(--radius-md);
}

.prod-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    text-align: center;
}

.prod-number {
    color: var(--color-primary);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
}

.prod-label {
    color: var(--color-muted);
    font-size: 0.75rem;
    font-weight: 400;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: #ffffff;
    border-radius: 50%;
    font-weight: 900;
}

.feature-text h4 {
    margin-bottom: 0.2rem;
    color: var(--color-heading);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.feature-text p {
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 400;
}

.about-visual {
    position: sticky;
    top: 100px;
}

.visual-card {
    padding: 2.5rem;
    background: var(--color-card);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.visual-logo {
    width: 120px;
    margin: 0 auto 2rem;
}

.visual-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.info-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 1rem;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.info-label {
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 600;
}

.info-value {
    color: var(--color-primary);
    font-size: 1rem;
    font-weight: 700;
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-visual {
        position: static;
    }
}

@media (max-width: 576px) {
    .production-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==============================
   Products Section
   ============================== */
.products {
    padding: var(--section-padding) 0;
    background: var(--color-bg-alt);
}

.product-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: var(--spacing-lg);
}

.filter-btn {
    padding: 0.6rem 1.25rem;
    background: var(--color-card);
    color: var(--color-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.filter-btn:hover {
    background: rgba(62, 106, 151, 0.08);
    color: var(--color-primary);
    border-color: rgba(62, 106, 151, 0.25);
}

.filter-btn.active {
    background: var(--gradient-primary);
    color: #ffffff;
    border-color: transparent;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.product-card {
    overflow: hidden;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    will-change: transform;
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: rgba(62, 106, 151, 0.25);
    box-shadow: 0 12px 40px rgba(62, 106, 151, 0.18);
}

.product-image {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 300px;
    overflow: hidden;
    background: var(--color-bg-alt);
}

.product-image img {
    width: 100%;
    height: 100%;
    padding: 1rem;
    object-fit: contain;
    object-position: center;
    transition: transform 0.4s ease;
}

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

.product-category {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.35rem 0.75rem;
    background: var(--gradient-primary);
    color: #ffffff;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

[dir='ltr'] .product-category {
    left: 0.75rem;
    right: auto;
}

.product-info {
    padding: 1.25rem 1.5rem;
}

.product-name {
    margin-bottom: 0.4rem;
    color: var(--color-heading);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.3;
}

.product-specs {
    margin-bottom: 0.75rem;
    color: var(--color-text);
    font-size: 0.85rem;
    font-weight: 600;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.feature-tag {
    padding: 0.2rem 0.6rem;
    background: var(--color-bg-alt);
    color: var(--color-muted);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
    }
}

/* ==============================
   Certificates Section
   ============================== */
.certificates {
    padding: var(--section-padding) 0;
    background: var(--color-bg);
}

.certs-section-label {
    display: inline-block;
    margin-bottom: 1.5rem;
    padding: 0.35rem 1.1rem;
    background: var(--color-bg-alt);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.iso-certs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 3rem;
}

.cert-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1rem;
    background: var(--color-card);
    border: 1px solid rgba(62, 106, 151, 0.12);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.cert-card:hover {
    transform: translateY(-4px);
    border-color: rgba(62, 106, 151, 0.28);
    box-shadow: var(--shadow-md);
}

.cert-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100px;
    margin-bottom: 1rem;
}

.cert-logo {
    width: auto;
    max-width: 100%;
    height: 80px;
    object-fit: contain;
}

.iso-card h3 {
    margin-bottom: 0.25rem;
    color: var(--color-heading);
    font-size: 0.95rem;
    font-weight: 700;
}

.iso-card p {
    margin: 0;
    color: var(--color-text);
    font-size: 0.8rem;
    font-weight: 400;
}

.iso-api-icon {
    background: rgba(62, 106, 151, 0.08);
    border-radius: var(--radius-sm);
}

.api-badge {
    color: var(--color-primary);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 3px;
}

.brands-certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.brand-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.25rem 1rem;
    text-align: center;
}

.brand-card .cert-icon {
    height: 90px;
    margin-bottom: auto;
}

.brand-logo {
    width: 250px;
    max-width: auto;
    height: 50px;
    object-fit: contain;
    object-position: center;
    filter: brightness(0.82);
    transition: filter 0.3s ease;
}

.cert-card:hover .brand-logo {
    filter: brightness(1);
}

.brand-card h3 {
    margin-top: auto;
    margin-bottom: 0.25rem;
    color: var(--color-heading);
    font-size: 0.85rem;
    font-weight: 700;
    line-height: 1.4;
}

.brand-card p {
    margin: 0;
    color: var(--color-text);
    font-size: 0.75rem;
    font-weight: 400;
    line-height: 1.4;
}

.cert-description {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cert-description p {
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.8;
}

@media (max-width: 992px) {
    .iso-certs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .iso-certs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

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

    .cert-logo {
        height: 60px;
    }
}

/* ==============================
   Contact Section
   ============================== */
.contact {
    padding: var(--section-padding) 0;
    background: var(--color-bg-alt);
}

.contact-content {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    padding: 1.75rem;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: transform 0.25s ease, border-color 0.25s ease;
    will-change: transform;
}

.info-card:hover {
    border-color: rgba(62, 106, 151, 0.25);
}

.info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
    font-size: 1.5rem;
}

.info-card h3 {
    margin-bottom: 0.4rem;
    color: var(--color-heading);
    font-size: 1.05rem;
    font-weight: 700;
}

.info-card p {
    color: var(--color-text);
    font-weight: 400;
}

.info-card a {
    color: var(--color-primary);
    font-weight: 600;
}

.info-card a:hover {
    text-decoration: underline;
}

.contact-form-wrapper {
    padding: 2.5rem;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 0.4rem;
    color: var(--color-muted);
    font-size: 0.9rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    padding: 0.85rem 1rem;
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background: rgba(62, 106, 151, 0.03);
    border-color: var(--color-primary);
}

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

.form-group textarea {
    resize: vertical;
}

.contact-form button {
    grid-column: 1 / -1;
    justify-self: start;
}

.btn-submit {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.9rem 2.5rem;
    background: var(--gradient-primary);
    color: #ffffff;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 700;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    will-change: transform;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.btn-submit .loading-icon {
    animation: spin 1s linear infinite;
}

.optional-label {
    color: var(--color-muted);
    font-size: 0.8rem;
    font-weight: 400;
}

.form-success {
    padding: 3rem 2rem;
    text-align: center;
    animation: fadeInUp 0.5s ease;
}

.success-icon {
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.form-success h3 {
    margin-bottom: 0.75rem;
    color: var(--color-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.form-success p {
    margin-bottom: 2rem;
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 400;
}

.btn-reset {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    background: transparent;
    color: var(--color-primary);
    border: 1px solid rgba(62, 106, 151, 0.28);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-reset:hover {
    background: rgba(62, 106, 151, 0.08);
    border-color: rgba(62, 106, 151, 0.5);
}

@media (max-width: 768px) {
    .contact-content,
    .contact-form {
        grid-template-columns: 1fr;
    }
}

/* ==============================
   Distributor Section
   ============================== */
.distributor-section {
    padding: 4rem 0;
    background: var(--color-bg);
}

.distributor-card {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 2.5rem 3rem;
    background: var(--color-card);
    border: 1px solid rgba(62, 106, 151, 0.18);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.distributor-card:hover {
    transform: translateY(-3px);
    border-color: rgba(62, 106, 151, 0.35);
    box-shadow: var(--shadow-md);
}

.distributor-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    color: #ffffff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-primary);
}

.distributor-text {
    flex: 1;
}

.distributor-text h2 {
    margin-bottom: 0.4rem;
    color: var(--color-heading);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.4;
}

.distributor-text p {
    margin: 0;
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.8;
}

.btn-distributor {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    background: var(--color-bg-alt);
    color: var(--color-primary);
    border: 1px solid rgba(62, 106, 151, 0.22);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    white-space: nowrap;
    transition: var(--transition-normal);
    will-change: transform;
}

.btn-distributor:hover {
    background: var(--gradient-primary);
    color: #ffffff;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.btn-distributor svg {
    transition: var(--transition-fast);
}

.btn-distributor:hover svg {
    stroke: #ffffff;
}

@media (max-width: 768px) {
    .distributor-card {
        flex-direction: column;
        padding: 2rem 1.5rem;
        text-align: center;
    }

    .btn-distributor {
        width: 100%;
    }
}

/* ==============================
   Footer
   ============================== */
.footer {
    padding: 0 0 2rem;
    background: var(--color-footer-bg);
    color: var(--color-footer-text);
    border-top: 3px solid var(--color-primary);
}

.footer > .container {
    padding-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-brand-lockup {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-logo {
    width: 285px;
    flex-shrink: 0;
}

.footer-desc {
    color: var(--color-footer-text);
    font-size: 0.85rem;
    font-weight: 400;
    line-height: 1.8;
}

.footer-links h4,
.footer-contact h4 {
    position: relative;
    margin-bottom: 1.25rem;
    padding-bottom: 0.6rem;
    color: var(--color-footer-heading);
    font-size: 0.95rem;
    font-weight: 700;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 999px;
}

[dir='ltr'] .footer-links h4::after,
[dir='ltr'] .footer-contact h4::after {
    left: 0;
    right: auto;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    list-style: none;
}

.footer-links a {
    color: var(--color-footer-text);
    font-size: 0.85rem;
    font-weight: 400;
    transition: color 0.25s ease, padding-right 0.25s ease, padding-left 0.25s ease;
}

.footer-links a:hover {
    padding-right: 4px;
    color: var(--color-primary-light);
}

[dir='ltr'] .footer-links a:hover {
    padding-right: 0;
    padding-left: 4px;
}

.catalog-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--color-primary-light) !important;
    font-weight: 600 !important;
}

.catalog-link svg {
    width: 14px;
    height: 14px;
}

.footer-contact p {
    margin-bottom: 0.4rem;
    color: var(--color-footer-text);
    font-size: 0.85rem;
    font-weight: 400;
}

.footer-contact a {
    color: var(--color-primary-light);
    font-weight: 600;
    transition: color 0.25s ease;
}

.footer-contact a:hover {
    text-decoration: underline;
}

.footer-contact-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.75rem;
    color: var(--color-footer-text);
    font-size: 0.85rem;
}

.footer-contact-row svg {
    flex-shrink: 0;
    color: var(--color-primary-light);
}

.footer-contact-row a {
    color: var(--color-footer-text);
    font-weight: 400;
    transition: color 0.25s ease;
}

.footer-contact-row a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    padding-top: 2rem;
    color: rgba(255, 255, 255, 0.58);
    border-top: 1px solid var(--color-footer-border);
    font-size: 0.8rem;
    font-weight: 400;
    text-align: center;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* ==============================
   Floating WhatsApp Button
   ============================== */
.whatsapp-float {
    position: fixed;
    right: 1.5rem;
    bottom: 5.5rem;
    z-index: 998;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1.25rem;
    background: #25D366;
    color: #ffffff;
    border: none !important;
    border-radius: 50px;
    box-shadow: 0 4px 18px rgba(62, 106, 151, 0.25);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    will-change: transform;
}

[dir='ltr'] .whatsapp-float {
    left: 1.5rem;
    right: auto;
}

.whatsapp-float:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(62, 106, 151, 0.35);
}

.whatsapp-float svg,
.whatsapp-float .whatsapp-icon {
    display: block;
    width: 42px;
    height: 42px;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.whatsapp-text {
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    text-shadow: 0 0 6px rgba(0, 0, 0, 0.4);
    white-space: nowrap;
}

@media (max-width: 768px) {
    .whatsapp-float {
        right: 1rem;
        bottom: 4.5rem;
        padding: 0.6rem 1rem;
    }

    [dir='ltr'] .whatsapp-float {
        left: 1rem;
        right: auto;
    }

    .whatsapp-float svg,
    .whatsapp-float .whatsapp-icon {
        width: 36px;
        height: 36px;
    }

    .whatsapp-text {
        font-size: 0.9rem;
    }
}

/* ==============================
   Scroll to Top Button
   ============================== */
.scroll-top {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--color-card);
    color: var(--color-primary);
    border: 1px solid rgba(62, 106, 151, 0.2);
    border-radius: 50%;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

[dir='ltr'] .scroll-top {
    left: 1.5rem;
    right: auto;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--color-primary);
    color: #ffffff;
    transform: translateY(-3px);
}

/* ==============================
   Datasheet CTA
   ============================== */
.datasheet-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    margin-top: 3rem;
    padding: 2rem 2.5rem;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.datasheet-content {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.datasheet-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    background: var(--color-primary);
    color: #ffffff;
    border-radius: 50%;
}

.datasheet-text h3 {
    margin-bottom: 0.2rem;
    color: var(--color-heading);
    font-size: 1.1rem;
    font-weight: 700;
}

.datasheet-text p {
    color: var(--color-muted);
    font-size: 0.85rem;
    font-weight: 400;
}

.btn-datasheet {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    gap: 0.6rem;
    padding: 0.8rem 1.75rem;
    background: var(--gradient-primary);
    color: #ffffff;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    transition: var(--transition-fast);
}

.btn-datasheet:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

@media (max-width: 768px) {
    .datasheet-cta,
    .datasheet-content {
        flex-direction: column;
        text-align: center;
    }

    .datasheet-cta {
        padding: 1.75rem;
    }

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

/* ==============================
   Utility Classes
   ============================== */
.text-primary {
    color: var(--color-primary);
}

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

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

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

.text-muted {
    color: var(--color-muted);
}

.text-body {
    color: var(--color-text);
}

/* ==============================
   Motion Keyframes
   ============================== */
@keyframes float {
    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    75% {
        transform: translate(20px, 10px) scale(1.05);
    }
}

@keyframes float-slide {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes scroll-down {
    0% {
        top: -16px;
    }
    100% {
        top: 100%;
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}