/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    /* Color Palette */
    --bg-dark: #080b11;
    --bg-darker: #04060b;
    --bg-card: rgba(15, 23, 42, 0.45);
    --bg-card-heavy: rgba(10, 15, 30, 0.8);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(0, 242, 254, 0.3);
    
    /* Brand Colors */
    --primary: #00f2fe;
    --primary-rgb: 0, 242, 254;
    --secondary: #7f00ff;
    --secondary-rgb: 127, 0, 255;
    --accent-teal: #00f5d4;
    
    /* Text Colors */
    --text-main: #f1f5f9;
    --text-sub: #94a3b8;
    --text-muted: #64748b;
    
    /* Typography */
    --font-heading: 'Outfit', 'Noto Sans SC', sans-serif;
    --font-body: 'Inter', 'Noto Sans SC', sans-serif;
    --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
    
    /* Animations & Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
    
    /* Layout */
    --container-width: 1200px;
    --header-height: 80px;
}

/* ==========================================================================
   BASE STYLES & RESET
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 242, 254, 0.3);
}

/* Typography Overrides */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

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

ul {
    list-style: none;
}

img, svg {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.section {
    padding: 100px 0;
    position: relative;
    z-index: 10;
}

/* ==========================================================================
   AMBIENT BACKGROUNDS
   ========================================================================== */
#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.15;
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 2;
    pointer-events: none;
}

.glow-orb {
    position: fixed;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    filter: blur(120px);
    z-index: 3;
    pointer-events: none;
    opacity: 0.15;
    mix-blend-mode: screen;
}

.orb-1 {
    background: radial-gradient(circle, rgba(0, 242, 254, 0.4) 0%, transparent 70%);
    top: -10%;
    right: -10%;
    animation: floatingOrb 20s infinite alternate;
}

.orb-2 {
    background: radial-gradient(circle, rgba(127, 0, 255, 0.4) 0%, transparent 70%);
    bottom: -10%;
    left: -10%;
    animation: floatingOrb 25s infinite alternate-reverse;
}

@keyframes floatingOrb {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, -50px) scale(1.1); }
    100% { transform: translate(-30px, 30px) scale(0.9); }
}

/* ==========================================================================
   GLASSMORPHISM PANELS & GRADIENTS
   ========================================================================== */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(16px) saturate(120%);
    -webkit-backdrop-filter: blur(16px) saturate(120%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: var(--transition-smooth);
}

.glass-panel-heavy {
    background: var(--bg-card-heavy);
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    transition: var(--transition-smooth);
}

.gradient-text-blue {
    background: linear-gradient(135deg, #ffffff 30%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-purple {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    box-shadow: 0 4px 20px rgba(0, 242, 254, 0.2);
}

.btn-primary:hover {
    box-shadow: 0 6px 25px rgba(0, 242, 254, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.btn-arrow {
    width: 18px;
    height: 18px;
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

.w-full {
    width: 100%;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(8, 11, 17, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    transition: var(--transition-smooth);
}

.site-header.scrolled {
    height: 70px;
    background: rgba(4, 6, 11, 0.85);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

/* Logo Design */
.logo-link {
    display: flex;
    align-items: center;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-svg {
    width: 44px;
    height: 44px;
    filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.4));
}

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

.logo-main {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: 1px;
    line-height: 1.1;
}

.logo-sub {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-sub);
    letter-spacing: 2px;
}

/* Nav Menu */
.site-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-list {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-sub);
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: var(--transition-fast);
}

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

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

/* Language Toggle Button */
.lang-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0.4rem 1rem;
    color: var(--text-main);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-smooth);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

.lang-icon {
    width: 14px;
    height: 14px;
}

/* Mobile Nav Toggle Icon */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-main);
    position: relative;
    transition: var(--transition-fast);
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-main);
    transition: var(--transition-fast);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

/* Hamburger Transform when Open */
.nav-toggle.open .hamburger {
    background: transparent;
}
.nav-toggle.open .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}
.nav-toggle.open .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    padding-top: calc(var(--header-height) + 50px);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-container-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.badge {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 242, 254, 0.08);
    border: 1px solid rgba(0, 242, 254, 0.2);
    border-radius: 30px;
    padding: 0.4rem 1.2rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 1px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.4; }
    100% { transform: scale(1); opacity: 1; }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.hero-title-en {
    display: block;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-sub);
    letter-spacing: 1.2px;
    margin-top: 1.25rem;
    opacity: 0.85;
    line-height: 1.3;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-sub);
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* Floating interactive Console Card */
.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.interactive-card-wrapper {
    width: 100%;
    max-width: 440px;
    perspective: 1000px;
}

.tech-card {
    background: rgba(10, 15, 30, 0.8);
    border: 1px solid rgba(0, 242, 254, 0.2);
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.5),
        0 0 30px rgba(0, 242, 254, 0.1);
    border-radius: 12px;
    overflow: hidden;
    transform-style: preserve-3d;
    transform: rotateX(5deg) rotateY(-5deg);
    transition: var(--transition-smooth);
}

.tech-card:hover {
    transform: rotateX(0deg) rotateY(0deg) scale(1.02);
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.6),
        0 0 40px rgba(0, 242, 254, 0.2);
    border-color: rgba(0, 242, 254, 0.4);
}

.card-header {
    background: rgba(255, 255, 255, 0.03);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.dots {
    display: flex;
    gap: 6px;
    margin-right: 1.5rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #eab308; }
.dot.green { background-color: #22c55e; }

.card-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.card-body {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.console-line {
    display: flex;
    gap: 8px;
}

.console-line .prompt {
    color: var(--primary);
    user-select: none;
}

.console-line .cmd {
    color: var(--text-main);
}

.console-line .msg {
    color: var(--text-sub);
}

.console-line.success .prompt { color: #22c55e; }
.console-line.success .msg { color: #86efac; }
.console-line.info .prompt { color: #3b82f6; }
.console-line.info .msg { color: #93c5fd; }
.console-line.warning .prompt { color: var(--accent-teal); }
.console-line.warning .msg { color: var(--accent-teal); text-shadow: 0 0 8px rgba(0, 245, 212, 0.4); }

.animate-pulse-fast {
    animation: blink 1.2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Progress bar inside console */
.progress-container {
    margin-top: 1rem;
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    height: 100%;
    border-radius: 4px;
    position: relative;
    box-shadow: 0 0 10px var(--primary);
}

.progress-value {
    position: absolute;
    right: 0;
    top: -18px;
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 700;
}

/* Scroll indicator mouse */
.scroll-indicator-wrapper {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-sub);
    font-size: 0.8rem;
    font-family: var(--font-heading);
}

.scroll-indicator:hover {
    color: var(--primary);
}

.mouse-icon {
    width: 24px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator:hover .mouse-icon {
    border-color: var(--primary);
}

.mouse-icon .wheel {
    width: 4px;
    height: 8px;
    background-color: var(--text-sub);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 1.5s infinite;
}

.scroll-indicator:hover .mouse-icon .wheel {
    background-color: var(--primary);
}

@keyframes scrollWheel {
    0% { top: 6px; opacity: 1; }
    50% { top: 14px; opacity: 0.3; }
    100% { top: 6px; opacity: 1; }
}

/* ==========================================================================
   SECTIONS STYLING
   ========================================================================== */
.section-header {
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.25rem;
    position: relative;
    display: inline-block;
    margin-bottom: 0.5rem;
}

.section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    margin: 1rem auto;
    border-radius: 2px;
}

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

.text-center .section-divider {
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-sub);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   ABOUT US SECTION
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.about-info-card {
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.about-info-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: 0 15px 30px rgba(0, 242, 254, 0.05);
}

.card-icon-box {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.card-icon-box.bg-blue {
    background: rgba(0, 242, 254, 0.1);
    color: var(--primary);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.1);
}

.card-icon-box.bg-purple {
    background: rgba(127, 0, 255, 0.1);
    color: var(--secondary);
    box-shadow: 0 0 15px rgba(127, 0, 255, 0.1);
}

.card-icon-box.bg-teal {
    background: rgba(0, 245, 212, 0.1);
    color: var(--accent-teal);
    box-shadow: 0 0 15px rgba(0, 245, 212, 0.1);
}

.icon-svg {
    width: 28px;
    height: 28px;
}

.about-info-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
}

.about-info-card p {
    font-size: 0.95rem;
    color: var(--text-sub);
}

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

.service-card {
    position: relative;
    overflow: hidden;
}

.service-glow-bg {
    position: absolute;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    filter: blur(50px);
    opacity: 0;
    transition: var(--transition-smooth);
    top: -50px;
    right: -50px;
    pointer-events: none;
}

.service-glow-bg.bg-blue { background: rgba(0, 242, 254, 0.2); }
.service-glow-bg.bg-purple { background: rgba(127, 0, 255, 0.2); }
.service-glow-bg.bg-teal { background: rgba(0, 245, 212, 0.2); }

.service-card:hover .service-glow-bg {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.service-content {
    padding: 3rem 2rem;
    z-index: 5;
    position: relative;
}

.service-icon-wrapper {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon-wrapper {
    background: rgba(255, 255, 255, 0.08);
    transform: scale(1.05);
}

.service-icon {
    width: 28px;
    height: 28px;
}

.service-icon.text-blue { color: var(--primary); }
.service-icon.text-purple { color: var(--secondary); }
.service-icon.text-teal { color: var(--accent-teal); }

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 1rem;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-sub);
}

/* ==========================================================================
   PRODUCT SHOWCASE & TEASER (COMING SOON)
   ========================================================================== */
.products-showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
    position: relative;
    z-index: 10;
}

.product-card {
    padding: 3rem 2.5rem;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: var(--transition-smooth);
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 25px rgba(0, 242, 254, 0.05);
}

.product-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    letter-spacing: 1px;
}

.product-badge.bg-blue {
    background: rgba(0, 242, 254, 0.08);
    border: 1px solid rgba(0, 242, 254, 0.2);
    color: var(--primary);
}

.product-badge.bg-purple {
    background: rgba(127, 0, 255, 0.08);
    border: 1px solid rgba(127, 0, 255, 0.2);
    color: #a855f7;
}

.product-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.product-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

.product-icon.bg-blue {
    background: linear-gradient(135deg, var(--primary) 0%, #0284c7 100%);
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.15);
}

.product-icon.bg-purple {
    background: linear-gradient(135deg, var(--secondary) 0%, #701a75 100%);
    box-shadow: 0 4px 15px rgba(127, 0, 255, 0.15);
}

.product-title-group {
    display: flex;
    flex-direction: column;
}

.product-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.product-tagline {
    font-size: 0.85rem;
    color: var(--text-sub);
    font-weight: 500;
    margin-top: 2px;
}

.product-desc {
    font-size: 0.95rem;
    color: var(--text-sub);
    line-height: 1.7;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.product-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-sub);
}

.feat-icon {
    width: 16px;
    height: 16px;
    color: var(--primary);
    margin-top: 3px;
    flex-shrink: 0;
}

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

.teaser-container {
    padding: 5rem 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
}

.teaser-decor-circle {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: blur(40px);
    pointer-events: none;
}

.teaser-content-box {
    position: relative;
    z-index: 5;
    max-width: 750px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 245, 212, 0.06);
    border: 1px solid rgba(0, 245, 212, 0.15);
    border-radius: 20px;
    padding: 0.3rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
}

.ping-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-teal);
    border-radius: 50%;
    position: relative;
}

.ping-dot::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: var(--accent-teal);
    border-radius: 50%;
    top: 0;
    left: 0;
    animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
    75%, 100% { transform: scale(3.5); opacity: 0; }
}

.status-text {
    color: var(--accent-teal);
    letter-spacing: 1px;
}

.teaser-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(135deg, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.teaser-desc {
    font-size: 1.05rem;
    color: var(--text-sub);
    line-height: 1.6;
}

/* Countdown Widgets */
.countdown-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin: 1.5rem 0;
    user-select: none;
}

.countdown-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 90px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 0.5rem;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(255,255,255,0.03);
}

.countdown-number {
    font-size: 2.25rem;
    font-weight: 800;
    font-family: var(--font-heading);
    color: var(--text-main);
    line-height: 1;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

.countdown-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.countdown-separator {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 20px;
    animation: blink 1.5s infinite;
}

/* Subscription Form inside Teaser */
.subscription-form-wrapper {
    width: 100%;
    max-width: 500px;
    margin-top: 1rem;
}

.subscribe-form {
    display: flex;
    background: rgba(4, 6, 11, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 4px;
    transition: var(--transition-smooth);
}

.subscribe-form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
}

.form-input {
    background: transparent;
    border: none;
    padding: 0.8rem 1rem;
    flex-grow: 1;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 0.95rem;
}

.form-input:focus {
    outline: none;
}

.form-btn {
    padding: 0.6rem 1.5rem !important;
    font-size: 0.9rem !important;
}

.subscription-tip {
    font-size: 0.85rem;
    margin-top: 8px;
    height: 18px;
}

.subscription-tip.success { color: #86efac; }
.subscription-tip.error { color: #fca5a5; }

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
}

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

.contact-info-card {
    padding: 2rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-info-card.interactive-hover-card:hover {
    border-color: var(--primary);
    box-shadow: 0 15px 30px rgba(0, 242, 254, 0.08);
    transform: translateY(-4px);
}

.contact-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
}

.contact-icon.bg-blue {
    background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.2);
}

.contact-icon.bg-purple {
    background: linear-gradient(135deg, var(--secondary) 0%, #a855f7 100%);
    box-shadow: 0 4px 15px rgba(127, 0, 255, 0.2);
}

.contact-card-content {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.contact-card-content h4 {
    font-size: 1.1rem;
    color: var(--text-main);
}

.contact-val {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-sub);
}

.contact-val-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.contact-action-hint {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    margin-top: 4px;
    opacity: 0.8;
}

.contact-info-card:hover .contact-action-hint {
    opacity: 1;
    transform: translateX(4px);
}

/* Contact Message Form */
.contact-form-card {
    padding: 3rem 2.5rem;
}

.contact-form-card h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.form-desc {
    color: var(--text-sub);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-sub);
}

.form-control {
    background: rgba(4, 6, 11, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.8rem 1rem;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.15);
    background: rgba(4, 6, 11, 0.6);
}

.form-feedback {
    font-size: 0.9rem;
    margin-top: 1rem;
    height: 20px;
    text-align: center;
}
.form-feedback.success { color: #86efac; }
.form-feedback.error { color: #fca5a5; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 0 0;
    position: relative;
    z-index: 10;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    padding-bottom: 4rem;
}

.footer-brand-box {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 450px;
}

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

.footer-logo .logo-main {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.footer-logo .logo-sub {
    font-size: 0.75rem;
    color: var(--text-sub);
    letter-spacing: 3px;
}

.footer-about-text {
    font-size: 0.95rem;
    color: var(--text-sub);
}

.footer-links-box {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-links-box h4 {
    font-size: 1.1rem;
    color: var(--text-main);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a {
    color: var(--text-sub);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright, .icp-info, .icp-info a {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.icp-info a:hover {
    color: var(--text-sub);
}

.footer-separator {
    margin: 0 10px;
    color: var(--text-muted);
    opacity: 0.5;
}

.gongan-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    vertical-align: middle;
}

.gongan-icon {
    width: 16px;
    height: 16px;
}

/* ==========================================================================
   BACK TO TOP BUTTON
   ========================================================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

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

.back-to-top:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
    transform: translateY(-4px);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Entrance Animations */
.fade-in {
    animation: fadeIn 1s forwards ease;
}

.fade-in-up {
    opacity: 0;
    animation: fadeInUp 1s forwards cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-up-delay-1 {
    opacity: 0;
    animation: fadeInUp 1.2s forwards cubic-bezier(0.16, 1, 0.3, 1);
    animation-delay: 0.2s;
}

.fade-in-up-delay-2 {
    opacity: 0;
    animation: fadeInUp 1.2s forwards cubic-bezier(0.16, 1, 0.3, 1);
    animation-delay: 0.4s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
    :root {
        --header-height: 70px;
    }
    
    .hero-container-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-subtitle {
        margin: 0 auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .about-grid, .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .teaser-container {
        padding: 4rem 2rem;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .about-grid, .services-grid, .products-showcase-grid {
        grid-template-columns: 1fr;
    }
    
    /* Navigation drawer for mobile */
    .nav-toggle {
        display: block;
    }
    
    .site-nav {
        position: fixed;
        top: var(--header-height);
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: calc(100vh - var(--header-height));
        background: rgba(4, 6, 11, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-left: 1px solid var(--border-color);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: 3rem 2rem;
        gap: 3rem;
        transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 90;
    }
    
    .site-nav.open {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 2rem;
    }
    
    .nav-link {
        font-size: 1.15rem;
        display: block;
        width: 100%;
    }
    
    .lang-toggle-wrapper {
        border-top: 1px solid var(--border-color);
        padding-top: 2rem;
    }
    
    .lang-btn {
        width: 100%;
        justify-content: center;
    }
    
    .countdown-container {
        gap: 0.75rem;
    }
    
    .countdown-unit {
        min-width: 70px;
        padding: 0.75rem 0.25rem;
    }
    
    .countdown-number {
        font-size: 1.75rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .countdown-container {
        flex-wrap: wrap;
    }
    
    .countdown-separator {
        display: none;
    }
    
    .countdown-unit {
        min-width: calc(50% - 0.5rem);
    }
    
    .subscribe-form {
        flex-direction: column;
        background: transparent;
        border: none;
        gap: 12px;
        padding: 0;
    }
    
    .form-input {
        background: rgba(4, 6, 11, 0.5);
        border: 1px solid var(--border-color);
        border-radius: 8px;
        width: 100%;
    }
    
    .subscribe-form:focus-within {
        box-shadow: none;
    }
    
    .subscribe-form .form-input:focus {
        border-color: var(--primary);
    }
    
    .contact-form-card {
        padding: 2rem 1.5rem;
    }
    
    .product-card {
        padding: 2.25rem 1.5rem;
    }
    
    .hero-title-en {
        font-size: 0.95rem;
        letter-spacing: 1px;
    }
}
