/* ============================================
   OSPOWER Tech – Website Styles
   Build A Smart Energy World
   ============================================ */

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

:root {
    --color-bg-dark: #0a0a0f;
    --color-bg-darker: #0f0f17;
    --color-bg-black: #000000;
    --color-purple: #2C00B9;
    --color-purple-light: #4a1fda;
    --color-magenta: #d80077;
    --color-red: #EB4141;
    --color-white: #FFFFFF;
    --color-off-white: #FCFCFC;
    --color-gray: #939393;
    --color-gray-light: #999999;
    --color-gray-dark: #1a1a24;
    --color-gray-bg: #f5f5f8;
    --color-accent: #00d4ff;
    --color-glass: rgba(255, 255, 255, 0.05);
    --color-glass-border: rgba(255, 255, 255, 0.08);
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    --container-max: 1200px;
}

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

body {
    font-family: var(--font-body);
    color: var(--color-gray-dark);
    background: var(--color-white);
    overflow-x: hidden;
    line-height: 1.6;
}

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

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Preloader ===== */
#preloader {
    position: fixed;
    inset: 0;
    background: var(--color-bg-dark);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--color-magenta);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===== Header / Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.4);
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo img {
    height: 40px;
    filter: brightness(0) invert(1);
    transition: var(--transition);
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-menu a {
    color: rgba(255, 255, 255, 0.8);
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    padding: 5px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-purple-light), var(--color-magenta));
    transition: width 0.3s ease;
}

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

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

/* Language Toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    padding: 4px 10px;
    cursor: pointer;
    transition: var(--transition);
    margin-left: 8px;
}

.lang-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-magenta);
}

.lang-toggle svg {
    width: 22px;
    height: 15px;
    border-radius: 2px;
    display: block;
}

.lang-toggle .flag-ru { display: none; }

.lang-code {
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
}

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

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-white);
    transition: var(--transition);
    border-radius: 2px;
}

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

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

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

/* ===== Hero Section ===== */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 10, 15, 0.75) 0%, rgba(44, 0, 185, 0.25) 50%, rgba(216, 0, 119, 0.15) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
    animation: heroFadeIn 1.5s ease;
}

@keyframes heroFadeIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 6vw, 4.5rem);
    font-weight: 800;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 2px;
    line-height: 1.1;
    margin-bottom: 20px;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    margin-bottom: 50px;
    letter-spacing: 1px;
}

.scroll-down-btn {
    display: inline-block;
    animation: bounce 2s infinite;
}

.scroll-down-btn img {
    width: 32px;
    height: auto;
    filter: brightness(0) invert(1);
    opacity: 0.7;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-15px); }
    60% { transform: translateY(-7px); }
}

/* ===== Scenario Section ===== */
.scenario-section {
    padding: 80px 0;
    background: var(--color-bg-dark);
    position: relative;
}

.scenario-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-purple-light), var(--color-magenta), transparent);
}

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

.scenario-card {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    min-height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.scenario-card::before {
    content: '';
    position: absolute;
    inset: 0;
    transition: var(--transition);
}

.telecom-card::before {
    background: linear-gradient(135deg, rgba(44, 0, 185, 0.85), rgba(44, 0, 185, 0.55));
}

.ess-card::before {
    background: linear-gradient(135deg, rgba(216, 0, 119, 0.85), rgba(216, 0, 119, 0.55));
}

.household-card::before {
    background: linear-gradient(135deg, rgba(235, 65, 65, 0.85), rgba(235, 65, 65, 0.55));
}

.scenario-card:hover::before {
    opacity: 0.9;
}

.scenario-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.scenario-card-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 40px 30px;
    color: var(--color-white);
}

.scenario-icon {
    margin-bottom: 25px;
    display: flex;
    justify-content: center;
}

.scenario-icon img {
    width: 80px;
    height: auto;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.scenario-card-inner h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    text-transform: uppercase;
    line-height: 1.3;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.scenario-card-inner p {
    font-size: 0.95rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

.scenario-card a {
    display: block;
    width: 100%;
    height: 100%;
    color: inherit;
}

/* ===== Factory Section ===== */
.factory-section {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}

.factory-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.factory-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 10, 15, 0.88), rgba(0, 0, 0, 0.75));
}

.factory-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
}

.factory-title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.factory-stat { margin-bottom: 40px; }

.factory-stat .stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-magenta), var(--color-purple-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.factory-stat .stat-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 10px;
}

.factory-image {
    display: inline-block;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

.factory-image img {
    width: 100%;
    max-width: 500px;
}

/* ===== 6H Features Section ===== */
.features-section {
    padding: 80px 0;
    background: var(--color-bg-darker);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

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

.section-subtitle {
    font-family: var(--font-heading);
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 400;
    color: var(--color-magenta);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header.center {
    padding: 40px 0 0;
}

.section-tagline {
    color: var(--color-gray);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 10px;
}

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

.feature-item {
    text-align: center;
    padding: 35px 25px;
    border-radius: 12px;
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    transition: var(--transition);
    backdrop-filter: blur(4px);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--color-magenta);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(216, 0, 119, 0.15);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-purple), var(--color-magenta));
    padding: 15px;
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(216, 0, 119, 0.3);
}

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

.feature-item h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.feature-item p {
    font-size: 0.9rem;
    color: var(--color-gray);
    line-height: 1.6;
}

/* ===== Stats Section ===== */
.stats-section {
    padding: 80px 0;
    background: var(--color-bg-dark);
    background-image: linear-gradient(135deg, rgba(44, 0, 185, 0.08), rgba(216, 0, 119, 0.08));
    position: relative;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-purple-light), var(--color-magenta), transparent);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-block {
    padding: 25px 15px;
    border-radius: 12px;
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    transition: var(--transition);
}

.stat-block:hover {
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-5px);
}

.stat-value {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-magenta), var(--color-purple-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    margin-bottom: 15px;
}

.counter-suffix {
    background: linear-gradient(135deg, var(--color-magenta), var(--color-purple-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-desc {
    font-size: 0.8rem;
    color: var(--color-gray);
    line-height: 1.5;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== Team / About Section ===== */
.team-section {
    position: relative;
    padding: 0;
    overflow: hidden;
    min-height: 520px;
    display: flex;
    align-items: flex-end;
}

.team-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.team-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(10, 10, 15, 0.92) 0%,
        rgba(10, 10, 15, 0.6) 35%,
        rgba(10, 10, 15, 0.25) 65%,
        rgba(10, 10, 15, 0.1) 100%
    );
}

.team-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 20px 70px;
    width: 100%;
}

.team-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.team-subtitle {
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.5vw, 1.15rem);
    color: rgba(255, 255, 255, 0.85);
    font-weight: 300;
    margin-bottom: 24px;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.4);
}

.team-divider {
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    margin: 0 auto 20px;
    border-radius: 2px;
}

.team-tagline {
    font-family: var(--font-heading);
    font-size: clamp(0.85rem, 1.2vw, 1rem);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
}

/* ===== All Scenario Application ===== */
.all-scenario-section {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.all-scenario-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.all-scenario-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 10, 15, 0.8), rgba(44, 0, 185, 0.35));
}

.all-scenario-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
}

.all-scenario-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 5vw, 3.5rem);
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 20px;
    letter-spacing: 2px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.all-scenario-text {
    font-size: 1.2rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
}

.btn-discover {
    display: inline-block;
    padding: 15px 45px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-purple), var(--color-magenta));
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 25px rgba(216, 0, 119, 0.4);
}

.btn-discover:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(216, 0, 119, 0.6);
}

/* ===== Product Center Section ===== */
.product-center-section {
    padding: 60px 0;
    background: var(--color-bg-darker);
    text-align: center;
}

/* ===== Product Sections ===== */
.product-section {
    padding: 80px 0;
}

.telecom-products { background: var(--color-white); }
.ess-products { background: var(--color-gray-bg); }
.household-products { background: var(--color-white); }
.power-distribution-products { background: var(--color-gray-bg); }

.product-section-header {
    text-align: center;
    margin-bottom: 50px;
}

.product-tagline {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.product-section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--color-gray-dark);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.product-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-purple), var(--color-magenta));
    border-radius: 2px;
}

.product-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.product-sub-header {
    text-align: center;
    margin: 50px 0 40px;
}

.product-sub-header h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-gray-dark);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.product-grid.three-col { grid-template-columns: repeat(3, 1fr); }
.product-grid.four-col { grid-template-columns: repeat(4, 1fr); }
.product-grid.two-col { grid-template-columns: repeat(2, 1fr); }

.product-grid.single-col {
    grid-template-columns: 360px;
    margin-bottom: 30px;
    justify-content: flex-start;
}

.product-card {
    background: var(--color-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
    text-align: center;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.12);
}

.product-image {
    position: relative;
    overflow: hidden;
    background: var(--color-gray-bg);
    aspect-ratio: 3 / 2;
}

/* PDU cards: half height images */
.product-card.power-card .product-image {
    aspect-ratio: 3 / 1;
}

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

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

.product-card h4 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-gray-dark);
    text-transform: uppercase;
    padding: 20px 15px;
    letter-spacing: 0.5px;
}

.product-desc {
    padding: 0 15px 20px;
    font-size: 0.9rem;
    color: var(--color-gray);
}

/* ===== Coming Soon Badge ===== */
.coming-soon-card {
    position: relative;
}

.coming-soon-badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 0.7rem;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 4px;
    margin: 6px 15px 15px;
}

.coming-soon-card .product-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.3);
    border-radius: inherit;
    pointer-events: none;
}

/* ===== Mission / Contact Section ===== */
.contact-section {
    padding: 80px 0;
    background: var(--color-bg-dark);
    color: var(--color-white);
    position: relative;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-purple-light), var(--color-magenta), transparent);
}

.contact-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.contact-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    margin-bottom: 50px;
    letter-spacing: 1px;
    position: relative;
    padding-bottom: 20px;
}

.contact-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-purple), var(--color-magenta));
    border-radius: 2px;
}

.mission-block {
    margin-bottom: 50px;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 30px;
}

.mission-card {
    padding: 30px 25px;
    border-radius: 12px;
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    text-align: center;
    transition: var(--transition);
}

.mission-card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--color-magenta);
    transform: translateY(-5px);
}

.mission-card .mission-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-purple), var(--color-magenta));
    color: var(--color-white);
    padding: 12px;
}

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

.mission-card h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.mission-card p {
    font-size: 0.85rem;
    color: var(--color-gray);
    line-height: 1.6;
}

.mission-tagline {
    text-align: center;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-white);
    line-height: 1.6;
    padding: 25px 30px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(44, 0, 185, 0.15), rgba(216, 0, 119, 0.15));
    border: 1px solid rgba(216, 0, 119, 0.2);
}

.mission-tagline .accent {
    background: linear-gradient(135deg, var(--color-magenta), var(--color-purple-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
    font-weight: 300;
}

.contact-details {
    background: var(--color-glass);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid var(--color-glass-border);
}

.contact-item {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

.contact-item:last-child { margin-bottom: 0; }

.contact-label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-magenta);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.contact-value {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.5;
}

.contact-value a {
    color: rgba(255, 255, 255, 0.85);
}

.contact-value a:hover {
    color: var(--color-magenta);
}

/* ===== Footer ===== */
.footer {
    background: var(--color-bg-darker);
    padding: 50px 0 30px;
    color: rgba(255, 255, 255, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-logo { margin-bottom: 25px; }

.footer-logo img {
    margin: 0 auto;
    height: 36px;
    filter: brightness(0) invert(1);
    opacity: 0.7;
}

.footer-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 25px;
    margin-bottom: 25px;
}

.footer-nav a {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-nav a:hover { color: var(--color-magenta); }

.footer-copyright {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* ===== Back to Top ===== */
.to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--color-purple), var(--color-magenta));
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

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

.to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(216, 0, 119, 0.4);
}

/* ===== Animations on Scroll ===== */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== All Scenario Page ===== */
.all-scenario-page {
    margin-top: 70px;
    padding: 0;
}

.all-scenario-page img {
    width: 100%;
    height: auto;
    display: block;
}

.all-scenario-page-banner {
    position: relative;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.all-scenario-page-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.all-scenario-page-banner .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 10, 15, 0.7), rgba(44, 0, 185, 0.3));
}

.all-scenario-page-banner .title {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
}

.all-scenario-page-banner .title h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.all-scenario-page-content {
    padding: 40px 0 60px;
    background: var(--color-bg-dark);
}

.all-scenario-page-content img {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* ===== Subpage Styles ===== */
.subpage-banner {
    position: relative;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 70px;
}

.subpage-banner-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
}

.subpage-banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 10, 15, 0.8), rgba(44, 0, 185, 0.4));
}

.subpage-banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
}

.subpage-banner-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.subpage-banner-tagline {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 10px;
}

.breadcrumb {
    padding: 20px 0;
    background: var(--color-bg-darker);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--color-gray);
}

.breadcrumb-list a { color: var(--color-magenta); }
.breadcrumb-list a:hover { color: var(--color-purple-light); }

.breadcrumb-sep { color: rgba(255, 255, 255, 0.3); }

.breadcrumb-current {
    color: var(--color-white);
    font-weight: 500;
}

.subpage-section {
    padding: 60px 0 80px;
    background: var(--color-bg-dark);
}

.subpage-group {
    margin-bottom: 60px;
}

.subpage-group:last-child { margin-bottom: 0; }

.subpage-group-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}

.subpage-group-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-purple), var(--color-magenta));
    border-radius: 2px;
}

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

.subpage-card {
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.subpage-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-magenta);
    box-shadow: 0 10px 35px rgba(216, 0, 119, 0.2);
}

.subpage-card-image {
    aspect-ratio: 3 / 2;
    background: rgba(255, 255, 255, 0.03);
    overflow: hidden;
}

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

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

.subpage-card-body { padding: 25px 20px; }

.subpage-card-name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.subpage-card-desc {
    font-size: 0.85rem;
    color: var(--color-gray);
    line-height: 1.5;
    margin-bottom: 20px;
}

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

.btn-view-pdf {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-purple), var(--color-magenta));
    border-radius: 6px;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(216, 0, 119, 0.3);
}

.btn-view-pdf:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(216, 0, 119, 0.5);
}

.btn-view-pdf svg { width: 16px; height: 16px; }

.btn-download-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    color: var(--color-gray);
    transition: var(--transition);
}

.btn-download-sm:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-magenta);
    color: var(--color-magenta);
}

.btn-download-sm svg { width: 16px; height: 16px; }

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    transition: var(--transition);
}

.btn-download:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-magenta);
}

.btn-download svg { width: 16px; height: 16px; }

/* ===== PDF Embed ===== */
.pdf-embed-wrapper {
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: 12px;
    overflow: hidden;
}

.scenario-image-wrapper {
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: 12px;
    overflow: hidden;
    padding: 15px;
}

.scenario-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.pdf-embed {
    width: 100%;
    height: 800px;
    display: block;
    border: none;
}

.pdf-embed-toolbar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.03);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* ===== Product PDF Viewer Page ===== */
.pdf-viewer-page {
    margin-top: 70px;
    padding: 40px 0 60px;
    background: var(--color-bg-dark);
    min-height: calc(100vh - 70px);
}

.pdf-viewer-header {
    text-align: center;
    margin-bottom: 30px;
}

.pdf-viewer-title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.pdf-viewer-subtitle {
    color: var(--color-gray-light);
    font-size: 1rem;
    margin-bottom: 0;
}

.pdf-frame-wrapper {
    margin: 30px 0;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-glass-border);
    padding: 10px;
}

.pdf-frame-wrapper iframe {
    display: block;
    width: 100%;
    height: 700px;
    border-radius: 6px;
    background: #fff;
}

.pdf-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
}

.btn-secondary {
    background: var(--color-glass) !important;
    border: 1px solid var(--color-glass-border) !important;
    box-shadow: none !important;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 4px 15px rgba(74, 31, 218, 0.3) !important;
}

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

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

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

    .product-grid,
    .product-grid.three-col,
    .product-grid.four-col,
    .product-grid.two-col {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .subpage-banner { height: 260px; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        gap: 0;
        padding: 80px 0 0 0;
        transition: right 0.4s ease;
        z-index: 999;
    }

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

    .nav-menu li { width: 100%; }

    .nav-menu a {
        display: block;
        padding: 18px 30px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .lang-toggle {
        position: absolute;
        top: 20px;
        right: 70px;
    }

    .menu-toggle {
        display: flex;
        z-index: 1001;
    }

    .scenario-grid { grid-template-columns: 1fr; }
    .scenario-card { min-height: 280px; }

    .features-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .mission-grid { grid-template-columns: 1fr; }

    .product-grid,
    .product-grid.three-col,
    .product-grid.four-col,
    .product-grid.two-col {
        grid-template-columns: 1fr;
    }

    .contact-content { grid-template-columns: 1fr; gap: 30px; }

    .factory-bg, .all-scenario-bg, .team-bg { background-attachment: scroll; }

    .footer-nav { gap: 15px; }

    .factory-section, .all-scenario-section { padding: 60px 0; }

    .features-section, .stats-section, .product-section, .contact-section { padding: 50px 0; }

    .subpage-grid { grid-template-columns: 1fr; }
    .subpage-banner { height: 200px; }
    .subpage-section { padding: 40px 0 60px; }

    .pdf-embed { height: 500px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .hero-title { letter-spacing: 1px; }
    .btn-discover { padding: 12px 35px; }
}