/* ============================================================
   Variables & Reset
   ============================================================ */
:root {
    --color-primary: #f59e0b;
    --color-primary-dark: #d97706;
    --color-primary-light: #fbbf24;
    --color-dark: #0f0f1a;
    --color-dark-2: #1a1a2e;
    --color-dark-3: #16213e;
    --color-dark-4: #1f2937;
    --color-gray: #9ca3af;
    --color-gray-light: #d1d5db;
    --color-white: #ffffff;
    --color-black: #000000;
    --color-border: rgba(255,255,255,0.08);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --container-max: 1280px;
    --header-height: 110px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-white);
    background: var(--color-dark);
    overflow-x: hidden;
}

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

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

ul { list-style: none; }

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

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

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

.header.scrolled {
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header-top {
    background: rgba(0,0,0,0.3);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: 0.4rem 0;
    font-size: 0.8rem;
    transition: var(--transition);
}

.header.scrolled .header-top {
    padding: 0;
    opacity: 0;
    height: 0;
    overflow: hidden;
    border-bottom: none;
}

.header-top-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-contact {
    display: flex;
    gap: 1.5rem;
}

.header-contact a {
    color: var(--color-gray-light);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.header-contact a:hover { color: var(--color-primary); }
.header-contact i { font-size: 0.75rem; color: var(--color-primary); }

.header-lang {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-lang a {
    color: var(--color-gray);
    font-weight: 500;
    font-size: 0.75rem;
}

.header-lang a.active,
.header-lang a:hover {
    color: var(--color-primary);
}

.header-lang span { color: var(--color-gray); font-size: 0.7rem; }

.header-main {
    padding: 0.6rem 0;
    transition: var(--transition);
}

.header.scrolled .header-main {
    padding: 0.3rem 0;
}

.header-main-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    flex-shrink: 0;
}

.logo img {
    height: 40px;
    width: auto;
}

/* Navigation */
.nav {
    margin: 0 1.5rem;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 0.5rem 0.9rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-gray-light);
    letter-spacing: 0.01em;
    white-space: nowrap;
    transition: var(--transition);
}

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

/* Dropdown */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-dark-2);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 0.75rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    z-index: 100;
}

.nav-item:hover > .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 0.5rem 1.25rem;
    font-size: 0.82rem;
    color: var(--color-gray-light);
    transition: var(--transition);
}

.dropdown-menu a:hover {
    color: var(--color-primary);
    background: rgba(245, 158, 11, 0.08);
}

/* Mega menu */
.dropdown-menu.mega {
    left: -200px;
    min-width: 650px;
    display: flex;
    padding: 1.5rem;
    gap: 2rem;
}

.mega-col h4 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.mega-col a {
    padding: 0.35rem 0;
    font-size: 0.82rem;
}

.btn-quote {
    font-size: 0.8rem;
    padding: 0.65rem 1.5rem;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    max-width: 85vw;
    height: 100vh;
    background: var(--color-dark-2);
    z-index: 2000;
    transition: right var(--transition);
    padding: 1.5rem;
    overflow-y: auto;
    box-shadow: -10px 0 40px rgba(0,0,0,0.5);
}

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

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.mobile-close {
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-nav a {
    display: block;
    padding: 0.9rem 0;
    font-size: 1rem;
    color: var(--color-gray-light);
    border-bottom: 1px solid var(--color-border);
}

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

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(15, 15, 26, 0.35) 0%,
        rgba(15, 15, 26, 0.15) 40%,
        rgba(15, 15, 26, 0.1) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-since {
    display: inline-block;
    color: var(--color-primary);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 3rem;
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeIn 1.5s ease forwards;
    animation-delay: 3s;
}

.hero-since::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2.5rem;
    height: 2px;
    background: var(--color-primary);
}

.hero-title {
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeIn 1.5s ease forwards;
    animation-delay: 5s;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.35rem);
    color: var(--color-gray-light);
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-bottom: 2.5rem;
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeIn 1.5s ease forwards;
    animation-delay: 7s;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeIn 1.5s ease forwards;
    animation-delay: 8.5s;
}

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

.hero-scroll {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255,255,255,0.5);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    opacity: 0;
    animation: heroScrollIn 1s ease forwards;
    animation-delay: 10s;
}

.hero-scroll.visible {
    animation: heroScrollIn 1s ease forwards, bounceDown 2s infinite;
    animation-delay: 10s, 11s;
}

@keyframes heroScrollIn {
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes bounceDown {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   Sections (shared)
   ============================================================ */
.section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

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

.section-header.light .section-desc {
    color: var(--color-gray);
}

.section-tag {
    display: inline-block;
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    letter-spacing: -0.01em;
}

.section-desc {
    color: var(--color-gray);
    font-size: 1rem;
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

.section-footer {
    text-align: center;
    margin-top: 3.5rem;
}

.bg-dark {
    background: var(--color-dark-2);
}

.bg-accent {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
}

/* ============================================================
   Applications Grid
   ============================================================ */
.app-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.app-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.app-card-img {
    position: absolute;
    inset: 0;
}

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

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

.app-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.1) 50%);
    z-index: 1;
    transition: var(--transition);
}

.app-card:hover::after {
    background: linear-gradient(to top, rgba(15,15,26,0.9) 0%, rgba(15,15,26,0.3) 50%);
}

.app-card h4 {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    z-index: 2;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
    transition: var(--transition);
}

.app-card:hover h4 {
    color: var(--color-primary);
    bottom: 1.75rem;
}

/* ============================================================
   Products Grid
   ============================================================ */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.product-card {
    border-radius: 12px;
    overflow: hidden;
    background: rgba(255,255,255,0.03);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.product-card-img {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

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

.product-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 15, 26, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.product-card-overlay span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.product-card h4 {
    padding: 1.25rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-white);
}

/* ============================================================
   Services
   ============================================================ */
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    text-align: center;
    padding: 3rem 2rem;
    border-radius: 12px;
    background: var(--color-dark-2);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.3);
}

.service-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--color-primary);
    color: var(--color-dark);
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--color-gray);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ============================================================
   Highlights
   ============================================================ */
.highlight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.highlight-card {
    text-align: center;
    padding: 3rem 2rem;
}

.highlight-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.75rem;
    color: var(--color-primary);
    transition: var(--transition);
}

.highlight-card:hover .highlight-icon {
    background: var(--color-primary);
    color: var(--color-dark);
}

.highlight-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.highlight-card p {
    color: var(--color-gray);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.highlight-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.85rem;
}

.highlight-link:hover {
    gap: 0.6rem;
    color: var(--color-primary-light);
}

/* ============================================================
   Projects
   ============================================================ */
.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.project-card {
    border-radius: 12px;
    overflow: hidden;
    background: var(--color-dark-2);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.project-card-img {
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

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

.project-card-body {
    padding: 1.5rem;
}

.project-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    margin-bottom: 0.4rem;
}

.project-card-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.project-location {
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* ============================================================
   Stats
   ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-item {
    position: relative;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1;
    display: block;
}

.stat-plus {
    font-size: 2rem;
    font-weight: 700;
    vertical-align: super;
    margin-left: 2px;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.9;
    margin-top: 0.5rem;
}

/* ============================================================
   News
   ============================================================ */
.news-grid {
    display: grid;
    gap: 1rem;
}

.news-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    border-radius: 10px;
    background: var(--color-dark-2);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.news-card:hover {
    border-color: var(--color-primary);
    transform: translateX(5px);
}

.news-card-date {
    text-align: center;
    min-width: 65px;
    line-height: 1.2;
}

.news-day {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
}

.news-month {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-gray-light);
}

.news-year {
    display: block;
    font-size: 0.75rem;
    color: var(--color-gray);
}

.news-card-content h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    transition: var(--transition);
}

.news-card:hover .news-card-content h3 {
    color: var(--color-primary);
}

.news-card-content p {
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
    background: var(--color-dark-2);
    border-top: 1px solid var(--color-border);
}

.footer-main {
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
}

.footer-col ul li {
    margin-bottom: 0.6rem;
}

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

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

.footer-logo {
    margin-bottom: 1.25rem;
    filter: brightness(10);
    opacity: 0.8;
}

.footer-col-contact p {
    font-size: 0.85rem;
    color: var(--color-gray);
    margin-bottom: 0.6rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.footer-col-contact p i {
    color: var(--color-primary);
    margin-top: 3px;
    width: 14px;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    color: var(--color-gray-light);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-dark);
}

.footer-bottom {
    padding: 1.5rem 0;
    border-top: 1px solid var(--color-border);
}

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

/* ============================================================
   Back to Top
   ============================================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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

/* ============================================================
   Overlay for mobile menu
   ============================================================ */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .nav { display: none; }
    .btn-quote { display: none; }
    .hamburger { display: flex; }

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

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

    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-col-contact {
        grid-column: 1 / -1;
    }

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

    .highlight-card:last-child {
        grid-column: 1 / -1;
    }

    .dropdown-menu.mega {
        left: -350px;
    }
}

@media (max-width: 768px) {
    .header-contact {
        display: none;
    }

    .section {
        padding: 4rem 0;
    }

    .app-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }

    .product-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

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

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

    .highlight-card:last-child {
        grid-column: auto;
    }

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

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

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

    .footer-bottom-inner {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

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

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .news-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .container {
        padding: 0 1.25rem;
    }
}

@media (max-width: 480px) {
    .app-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

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

/* Member header */
.header-member {
    display: flex;
    align-items: center;
    margin-left: 1rem;
}
.member-login-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background: rgba(255,255,255,0.08);
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
    transition: background 0.3s;
}
.member-login-btn:hover {
    background: rgba(255,255,255,0.15);
}
.member-dropdown {
    position: relative;
}
.member-name {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background: rgba(245,158,11,0.12);
    color: #f59e0b;
    text-decoration: none;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.3s;
}
.member-name:hover {
    background: rgba(245,158,11,0.2);
}
.member-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--color-dark-2);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    padding: 0.5rem 0;
    min-width: 160px;
    z-index: 1000;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}
.member-dropdown:hover .member-menu {
    display: block;
}
.member-menu a {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1.2rem;
    color: #ccc;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
}
.member-menu a:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
}
.member-menu .member-logout {
    color: #ef4444;
    border-top: 1px solid rgba(255,255,255,0.06);
    margin-top: 0.3rem;
    padding-top: 0.7rem;
}
.member-menu .member-logout:hover {
    background: rgba(239,68,68,0.1);
}

/* Member pages common */
.member-page-section { padding: 3rem 0 4rem; }
.member-card { background: var(--color-dark-2); border-radius: 16px; padding: 2rem; border: 1px solid rgba(255,255,255,0.06); margin-bottom: 1.5rem; transition: border-color var(--transition); }
.member-card:hover { border-color: rgba(255,255,255,0.1); }
.member-card h2 { font-size: 1.2rem; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.6rem; font-weight: 700; }
.member-card h2 i { color: var(--color-primary); font-size: 1rem; }
.member-avatar-wrap { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 1.5rem; }
.member-avatar { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; border: 3px solid var(--color-primary); box-shadow: 0 0 20px rgba(245,158,11,0.15); }
.member-avatar-placeholder { width: 80px; height: 80px; border-radius: 50%; background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(245,158,11,0.05)); display: flex; align-items: center; justify-content: center; font-size: 2rem; color: var(--color-primary); }
.member-info-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.member-info-item { display: flex; flex-direction: column; gap: 0.2rem; }
.member-info-label { font-size: 0.8rem; color: var(--color-gray-light); text-transform: uppercase; letter-spacing: 0.05em; }
.member-info-value { font-size: 1rem; font-weight: 500; }
.member-quick-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.member-quick-link { display: flex; align-items: center; gap: 0.6rem; padding: 0.9rem 1.6rem; border-radius: 12px; background: rgba(255,255,255,0.04); color: #ccc; text-decoration: none; transition: all var(--transition); border: 1px solid rgba(255,255,255,0.06); }
.member-quick-link:hover { background: rgba(245,158,11,0.1); color: var(--color-primary); border-color: rgba(245,158,11,0.25); transform: translateY(-2px); }
.member-quick-link i { font-size: 1.1rem; }
.member-card .form-group { margin-bottom: 1rem; }
.member-card .form-group label { display: block; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-gray); margin-bottom: 0.4rem; }
.member-card .form-group input,
.member-card .form-group textarea,
.member-card .form-group select { width: 100%; padding: 0.8rem 1rem; background: rgba(255,255,255,0.04); border: 1.5px solid rgba(255,255,255,0.08); border-radius: 10px; color: #fff; font-size: 0.95rem; font-family: inherit; transition: all var(--transition); outline: none; box-sizing: border-box; }
.member-card .form-group input::placeholder,
.member-card .form-group textarea::placeholder { color: rgba(255,255,255,0.2); }
.member-card .form-group input:focus,
.member-card .form-group textarea:focus { border-color: var(--color-primary); background: rgba(245,158,11,0.03); box-shadow: 0 0 0 3px rgba(245,158,11,0.08); }
.member-card .form-group textarea { min-height: 100px; resize: vertical; }
.member-tabs { display: flex; gap: 0; border-bottom: 2px solid rgba(255,255,255,0.08); margin-bottom: 2rem; }
.member-tab { padding: 0.8rem 1.5rem; cursor: pointer; color: var(--color-gray-light); border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all 0.3s; font-weight: 500; }
.member-tab:hover { color: #fff; }
.member-tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.member-tab-content { display: none; }
.member-tab-content.active { display: block; }
.inquiry-status-badge { display: inline-block; padding: 0.25rem 0.75rem; border-radius: 20px; font-size: 0.8rem; font-weight: 600; }
.inquiry-status-badge.pending { background: rgba(245,158,11,0.15); color: #f59e0b; }
.inquiry-status-badge.replied { background: rgba(34,197,94,0.15); color: #22c55e; }
.inquiry-status-badge.closed { background: rgba(156,163,175,0.15); color: #9ca3af; }
.inquiry-list-item { background: rgba(255,255,255,0.03); border-radius: 10px; padding: 1.2rem 1.5rem; margin-bottom: 1rem; border: 1px solid rgba(255,255,255,0.06); cursor: pointer; transition: border-color 0.3s; }
.inquiry-list-item:hover { border-color: rgba(245,158,11,0.3); }
.inquiry-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.inquiry-subject { font-weight: 600; }
.inquiry-date { color: var(--color-gray-light); font-size: 0.85rem; }
.inquiry-detail { display: none; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.06); }
.inquiry-detail.open { display: block; }
.inquiry-items-table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.inquiry-items-table th { text-align: left; padding: 0.5rem; color: var(--color-gray-light); font-size: 0.85rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
.inquiry-items-table td { padding: 0.5rem; border-bottom: 1px solid rgba(255,255,255,0.04); }
.inquiry-admin-note { background: rgba(34,197,94,0.08); border-radius: 8px; padding: 1rem; margin-top: 0.5rem; }
.inquiry-admin-note strong { color: #22c55e; }
.create-inquiry-section { margin-top: 2rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.06); }
.product-selector { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.8rem; max-height: 300px; overflow-y: auto; padding: 1rem; background: rgba(255,255,255,0.03); border-radius: 8px; margin: 1rem 0; }
.product-selector-item { display: flex; align-items: center; gap: 0.6rem; padding: 0.5rem; border-radius: 6px; cursor: pointer; transition: background 0.2s; }
.product-selector-item:hover { background: rgba(255,255,255,0.06); }
.product-selector-item.selected { background: rgba(245,158,11,0.12); }
.product-selector-item input[type="checkbox"] { accent-color: var(--color-primary); }
.product-selector-item img { width: 40px; height: 40px; object-fit: cover; border-radius: 4px; }
.selected-items-table { width: 100%; margin: 1rem 0; border-collapse: collapse; }
.selected-items-table th { text-align: left; padding: 0.5rem; color: var(--color-gray-light); font-size: 0.85rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
.selected-items-table td { padding: 0.5rem; border-bottom: 1px solid rgba(255,255,255,0.04); }
.selected-items-table input { width: 60px; padding: 0.4rem 0.6rem; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: 6px; color: #fff; font-size: 0.9rem; }
.selected-items-table input:focus { outline: none; border-color: var(--color-primary); }
.btn-member { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.65rem 1.4rem; border-radius: 10px; font-weight: 600; font-size: 0.9rem; cursor: pointer; border: none; transition: all var(--transition); font-family: inherit; }
.btn-member-primary { background: var(--color-primary); color: #000; }
.btn-member-primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(245,158,11,0.25); }
.btn-member-outline { background: transparent; color: var(--color-gray-light); border: 1px solid rgba(255,255,255,0.15); }
.btn-member-outline:hover { border-color: rgba(255,255,255,0.3); color: #fff; background: rgba(255,255,255,0.04); }
.btn-member-danger { background: rgba(239,68,68,0.1); color: #f87171; border: 1px solid rgba(239,68,68,0.15); }
.btn-member-danger:hover { background: rgba(239,68,68,0.2); border-color: rgba(239,68,68,0.3); }
.btn-member-sm { padding: 0.4rem 0.9rem; font-size: 0.8rem; }
.msg-toast { position: fixed; top: 2rem; right: 2rem; padding: 0.85rem 1.5rem; border-radius: 12px; font-size: 0.9rem; font-weight: 500; z-index: 9999; animation: slideIn 0.3s ease; display: flex; align-items: center; gap: 0.6rem; backdrop-filter: blur(12px); }
.msg-toast.success { background: rgba(34,197,94,0.12); color: #4ade80; border: 1px solid rgba(34,197,94,0.2); }
.msg-toast.error { background: rgba(239,68,68,0.12); color: #f87171; border: 1px solid rgba(239,68,68,0.2); }
@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@media (max-width: 768px) {
    .header-member { margin-left: 0; }
    .member-info-list { grid-template-columns: 1fr; }
    .member-avatar-wrap { flex-direction: column; text-align: center; }
    .member-quick-links { flex-direction: column; }
    .product-selector { grid-template-columns: 1fr; }
}