@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Noto+Sans+KR:wght@300;400;500;700;900&display=swap');

:root {
    /* Color Palette */
    --primary-color: #003366;
    /* Deep Navy - Trust & Professionalism */
    --secondary-color: #4A4A4A;
    /* Cool Grey - Aluminum / Industrial */
    --accent-color: #FF8C00;
    /* Industrial Orange - Safety / CTA */
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --text-main: #1A1A1A;
    --text-muted: #666666;
    --border-color: #E0E0E0;

    /* Typography */
    --font-main: 'Inter', 'Noto Sans KR', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;

    /* Transition */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
}

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

body {
    font-family: var(--font-main);
    color: var(--text-main);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
    word-break: keep-all;
}

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

ul {
    list-style: none;
}

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

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

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
}

/* Utilities */
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    word-break: keep-all;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    margin: 1rem auto 0;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    transition: var(--transition-base);
}

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

.btn-primary:hover {
    background: #002244;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.cta-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-base);
}

header.scrolled {
    padding: 10px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-img img {
    height: 50px;
    width: auto;
    display: block;
    transition: var(--transition-base);
}

@media (max-width: 768px) {
    .logo-img img {
        height: 35px;
    }
}

header.scrolled .logo-img img {
    height: 40px;
}

@media (max-width: 768px) {
    header.scrolled .logo-img img {
        height: 30px;
    }
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    gap: 15px;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-main);
}

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

/* Mobile Toggle & Menu Overlay */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition-base);
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-left: 20px;
    padding: 6px 14px;
    background: #f0f4f8;
    border-radius: 20px;
    color: var(--primary-color);
    transition: var(--transition-base);
    cursor: default;
}

.lang-switch:hover {
    background: #e1e9f0;
}

.lang-switch .fas {
    font-size: 0.9rem;
    color: var(--primary-color);
    opacity: 0.8;
}

.lang-label {
    color: var(--text-main);
    font-weight: 600;
    font-family: var(--font-main);
}

.lang-options {
    display: flex;
    gap: 8px;
    padding: 0 4px;
    border-left: 1px solid rgba(0, 0, 0, 0.1);
    margin-left: 4px;
}

.mobile-only {
    display: none;
}

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

    .mobile-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

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

    .mobile-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    #nav-overlay {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: white;
        padding: 100px 30px;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        display: flex;
        flex-direction: column;
        transition: right 0.4s ease;
        z-index: 1000;
    }

    #nav-overlay.active {
        right: 0;
    }

    .nav-menu {
        flex-direction: column;
        gap: 20px;
    }

    .nav-link {
        font-size: 1.2rem;
    }

    .desktop-only,
    .mobile-only {
        display: none;
    }

    .lang-switch {
        margin-left: auto;
        margin-right: 10px;
        font-size: 0.75rem;
        padding: 4px 10px;
        gap: 6px;
    }
}

.lang-switch span {
    cursor: pointer;
    color: var(--text-muted);
}

.lang-switch span.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: #FFFFFF;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('images/hero_main_new.png');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: contain;
    opacity: 0.2;
    z-index: 1;
}

.hero-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 100px 0;
    min-height: 70vh;
}

.hero-content {
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 2.5rem;
    color: var(--primary-color);
    word-break: keep-all;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
        margin-bottom: 1.5rem;
    }
}

.hero-slogan {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: 1px;
    margin-bottom: 2.5rem;
    line-height: 1.4;
    opacity: 0.95;
    word-break: keep-all;
}

@media (max-width: 768px) {
    .hero-slogan {
        font-size: 1.4rem;
        margin-bottom: 1.5rem;
    }
}

.hero-logo-kr {
    margin-bottom: 4rem;
    display: flex;
    justify-content: center;
}

.hero-logo-kr img {
    height: 160px;
    width: auto;
    object-fit: contain;
}

@media (max-width: 768px) {
    .hero-logo-kr img {
        height: 100px;
    }

    .hero-stack {
        padding: 60px 0;
    }

    .hero {
        min-height: 70vh;
    }

    .hero-btns {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .hero-btns .btn {
        margin-left: 0 !important;
        width: 100%;
    }
}

/* Why Bakion Section */
.why-bakion {
    padding: var(--section-padding);
    background: var(--bg-light);
}

.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.card {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition-base);
    border-bottom: 4px solid transparent;
}

.mobile-br {
    display: none;
}

.card:hover {
    transform: translateY(-10px);
    border-bottom-color: var(--primary-color);
}

.card-header {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.5rem;
}

.card-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.card h3 {
    font-size: 1.25rem;
    margin: 0;
}

@media (max-width: 768px) {
    .card-header {
        flex-direction: row;
        align-items: center;
        gap: 15px;
        margin-bottom: 1rem;
    }

    .card-icon {
        font-size: 1.8rem;
        margin-bottom: 0;
    }

    .card h3 {
        font-size: 1.15rem;
    }
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.card-img {
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-radius: 4px;
    background: #f0f0f0;
}

/* Load Calculator */
.load-calculator {
    margin-top: 60px;
    background: white;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.calc-title {
    text-align: center;
    margin-bottom: 5px;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.calc-subtitle {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    text-align: center;
    font-size: 0.95rem;
    color: var(--secondary-color);
    margin-bottom: 40px;
    font-weight: 600;
    animation: labelFocus 3s infinite ease-in-out;
}

.guide-icon {
    font-size: 1.1rem;
    color: var(--accent-color);
    animation: guideBounce 1s infinite alternate ease-in-out;
}

@keyframes guideBounce {
    from {
        transform: translateY(0);
    }

    to {
        transform: translateY(-5px);
    }
}

@keyframes guidePulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.8;
        transform: scale(1.02);
    }
}

@keyframes labelFocus {

    0%,
    100% {
        transform: scale(1);
        color: var(--secondary-color);
        text-shadow: none;
    }

    50% {
        transform: scale(1.15);
        color: #e67e22;
        /* 강조를 위한 밝은 오렌지 톤 */
        text-shadow: 0 0 15px rgba(230, 126, 34, 0.2);
    }
}

.calc-container {
    display: flex;
    gap: 60px;
    align-items: center;
}

.calc-left {
    flex: 1;
}

.calc-right {
    flex: 1;
    display: flex;
    justify-content: center;
}

.calc-group {
    margin-bottom: 35px;
}

.calc-group label {
    display: block;
    margin-bottom: 15px;
    font-weight: 600;
    color: var(--secondary-color);
}

.size-selector {
    display: flex;
    gap: 15px;
}

.size-btn {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-base);
}

.size-btn.active {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
}

.slider-wrapper {
    position: relative;
    padding-top: 10px;
}

#wheel-count {
    width: 100%;
    margin-bottom: 20px;
}

.slider-values {
    display: flex;
    justify-content: space-between;
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 0 5px;
}

.graph-container {
    display: flex;
    align-items: flex-end;
    gap: 30px;
    height: 250px;
}

.bar-bg {
    width: 60px;
    height: 100%;
    background: #eee;
    border-radius: 30px;
    position: relative;
    overflow: hidden;
}

.calc-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    background-image:
        linear-gradient(rgba(0, 51, 102, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 51, 102, 0.3) 1px, transparent 1px);
    background-size: 10px 10px;
    pointer-events: none;
}

.bar-inner {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 30%;
    /* Initial value */
    background: #3498db;
    transition: height 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275), background 0.6s ease;
    z-index: 1;
}

.result-display {
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.wheel-map-container {
    margin-top: 20px;
    border: 1px dashed var(--border-color);
    padding: 15px;
    border-radius: 8px;
    background: #fafafa;
}

.map-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 10px;
    text-align: center;
    font-weight: 600;
}

.cart-outline {
    width: 120px;
    height: 70px;
    border: 2px solid var(--secondary-color);
    border-radius: 4px;
    margin: 0 auto;
    position: relative;
    background: white;
}

.wheel {
    position: absolute;
    width: 10px;
    height: 10px;
}

.wheel::after {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    background: #ccc;
    border-radius: 50%;
    transition: background 0.3s ease, opacity 0.3s ease;
}

.wheel.mid,
.wheel.extra,
.wheel.center {
    opacity: 0;
    transform: scale(0);
}

.wheel.active {
    opacity: 1;
    transform: scale(1);
}

.wheel.active::after {
    background: #E53935;
    /* Professional Polyurethane Red */
    animation: wheelDrop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes wheelDrop {
    0% {
        opacity: 0;
        transform: translateY(-30px) scale(0.5);
    }

    60% {
        opacity: 1;
        transform: translateY(2px) scale(1.1);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Wheel Positions */
.w-1 {
    top: 5px;
    left: 5px;
}

.w-2 {
    top: 5px;
    right: 5px;
}

.w-3 {
    bottom: 5px;
    left: 5px;
}

.w-4 {
    bottom: 5px;
    right: 5px;
}

.w-5 {
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
}

.w-6 {
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
}

.w-7 {
    top: 50%;
    left: 5px;
    transform: translateY(-50%);
}

.w-8 {
    top: 50%;
    right: 5px;
    transform: translateY(-50%);
}

.w-9 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.w-5.active,
.w-6.active {
    transform: translateX(-50%) scale(1);
}

.w-7.active,
.w-8.active {
    transform: translateY(-50%) scale(1);
}

.w-9.active {
    transform: translate(-50%, -50%) scale(1);
}

.result-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.result-value {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.result-value small {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .calc-container {
        flex-direction: column;
        gap: 40px;
    }

    .load-calculator {
        padding: 30px 20px;
    }

    .graph-container {
        height: 200px;
    }

    .result-value {
        font-size: 2.5rem;
    }
}

.calc-footer {
    margin-top: 50px;
    display: flex;
    justify-content: center;
    gap: 20px;
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
}

.btn-calc-quote {
    padding: 18px 50px;
    font-size: 1.3rem;
    font-weight: 700;
}

.btn-custom-quote {
    background: #ff8c00;
    /* Requested orange color */
    color: white;
    padding: 18px 50px;
    font-size: 1.3rem;
    font-weight: 700;
}

.btn-custom-quote:hover {
    background: #e67e00;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 140, 0, 0.3);
}

@media (max-width: 768px) {
    .calc-footer {
        flex-direction: column;
        gap: 15px;
    }

    .btn-calc-quote,
    .btn-custom-quote {
        width: 100%;
        padding: 15px 30px;
        font-size: 1.1rem;
    }
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition-base);
}

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

/* Product Section */
.products {
    padding: var(--section-padding);
}

.product-category {
    margin-bottom: 80px;
}

@media (max-width: 768px) {
    .product-category {
        margin-bottom: 50px;
    }
}

.category-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 15px;
    margin-bottom: 25px;
}

.product-category>p {
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.25rem;
    /* 20px */
    line-height: 1.7;
    margin-bottom: 40px;
}

.category-header h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

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

@media (max-width: 768px) {

    .product-grid,
    .product-grid.grid-2-col {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .category-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 10px;
    }

    .product-category>p {
        text-align: center;
        font-size: 1rem;
    }

    .intro-content {
        width: 100%;
        max-width: none;
    }

    .intro-text {
        text-align: center !important;
        width: 100% !important;
        max-width: none !important;
    }

    .cta-btns {
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }

    .cta-btns .btn {
        flex: 1 1 160px;
        padding: 12px 5px;
        font-size: 0.9rem;
    }

    .cta-btns .btn:last-child {
        flex: 0 0 100%;
        font-size: 1.1rem;
    }

    .mobile-br {
        display: block;
    }
}

.product-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    background: var(--bg-light);
}

.product-img-wrapper {
    aspect-ratio: 4/3;
    overflow: hidden;
}

.product-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

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

.product-info {
    padding: 25px;
}

.product-info h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.product-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-color);
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 20px;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

/* Tech Detail Section */
.tech-detail {
    padding: var(--section-padding);
    background: var(--primary-color);
    color: white;
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.tech-text h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    word-break: keep-all;
}

@media (max-width: 768px) {
    .tech-text h2 {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }
}

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

.tech-text ul {
    margin-top: 20px;
}

.tech-text ul li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 12px;
}

.tech-text ul li i {
    color: var(--accent-color);
    margin-right: 12px;
    margin-top: 5px;
    flex-shrink: 0;
}

.tech-image img {
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Footer & Company Info */
footer {
    padding: 80px 0 40px;
    background: #111;
    color: #AAA;
}

/* Responsive Utilities */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }

    .hero-image {
        position: relative;
        width: 100%;
        height: 400px;
    }

    .hero {
        flex-direction: column;
        height: auto;
        text-align: center;
    }

    .hero-content {
        padding: 60px 0;
    }

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

/* Intro Styles */
.about-intro {
    padding: 80px 0;
    border-bottom: 1px solid #333;
    margin-bottom: 60px;
}

@media (max-width: 768px) {
    .about-intro {
        padding: 50px 0;
        margin-bottom: 40px;
    }
}

.intro-company {
    text-align: center;
    margin-bottom: 60px;
}

@media (max-width: 768px) {
    .intro-company {
        margin-bottom: 40px;
    }
}

.company-name {
    font-size: 3.5rem;
    font-weight: 900;
    color: white;
    letter-spacing: 6px;
    margin-bottom: 20px;
}

.company-desc {
    font-size: 1.3rem;
    color: var(--accent-color);
    font-weight: 600;
    word-break: keep-all;
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
}

.intro-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: white;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px;
}

.intro-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: var(--accent-color);
    margin: 15px auto 0;
}

.intro-text {
    font-size: 1.15rem;
    color: #CCC;
    line-height: 2.1;
    text-align: left;
    word-break: keep-all;
}

.intro-text strong {
    color: white;
    font-weight: 700;
}

/* Vision & Core Values */
.vision-core-section {
    margin-top: 100px;
    padding-top: 50px;
}

.vision-box {
    text-align: center;
    margin-bottom: 120px;
    background: rgba(255, 255, 255, 0.03);
    padding: 60px 40px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

@media (max-width: 768px) {
    .vision-box {
        margin-bottom: 60px;
        padding: 40px 20px;
    }
}

.sub-label {
    display: block;
    font-size: 0.9rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 15px;
    font-weight: 700;
}

.vision-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 30px;
}

.vision-statement {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    margin-bottom: 15px;
    word-break: keep-all;
}

.vision-en {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.5);
    font-style: italic;
}

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

.values-intro {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.2rem;
    margin-bottom: 60px;
}

@media (max-width: 768px) {
    .values-intro {
        margin-bottom: 40px;
        font-size: 1.1rem;
    }
}

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

.value-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

.value-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-color);
}

.value-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 25px;
}

.value-card h4 {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 25px;
    line-height: 1.3;
}

.value-card h4 span {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
}

.value-list {
    list-style: none;
    padding: 0;
}

.value-list li {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 15px;
    position: relative;
    padding-left: 15px;
}

.value-list li::before {
    content: '•';
    color: var(--accent-color);
    position: absolute;
    left: 0;
}

.value-list li strong {
    color: white;
    display: block;
    margin-bottom: 5px;
}

@media (max-width: 992px) {
    .values-grid {
        grid-template-columns: 1fr;
    }
}

.patent-section {
    margin-top: 100px;
    padding-top: 80px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .patent-section {
        margin-top: 60px;
        padding-top: 50px;
    }
}

.patent-display {
    max-width: 1000px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.patent-display img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

/* Footer Bottom Styles */
.footer-bottom-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    margin-bottom: 80px;
    text-align: center;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.footer-col {
    width: 100%;
}

.footer-col h4 {
    color: white;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    font-weight: 800;
}

.footer-col ul li {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.footer-col p {
    font-size: 1.3rem;
    line-height: 1.8;
}

.footer-col ul li {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.footer-col p {
    font-size: 1.3rem;
    line-height: 1.8;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid #333;
    text-align: center;
    font-size: 0.85rem;
}

@media (max-width: 992px) {
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .intro-left {
        position: static;
    }

    .intro-slogan {
        font-size: 1.8rem;
    }

    .company-name {
        font-size: 2.5rem;
    }
}

/* Contact Modal Styles */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: white;
    padding: 40px;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 28px;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s;
}

.close-modal:hover {
    color: var(--primary-color);
}

.modal-title {
    text-align: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-weight: 800;
}

.contact-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-option {
    display: flex;
    align-items: center;
    padding: 20px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.2s ease;
    text-decoration: none;
    color: var(--text-main);
}

.contact-option:hover {
    border-color: var(--primary-color);
    background: #f8fbff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 51, 102, 0.1);
}

.option-icon {
    font-size: 24px;
    margin-right: 20px;
    width: 50px;
    height: 50px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
}

.modal-content .option-text {
    flex: 1;
    min-width: 0;
    /* Important for text-overflow to work */
}

.modal-content .option-text h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
    color: var(--primary-color);
    font-weight: 700;
}

.modal-content .option-text p {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 500;
    margin: 0;
}

/* Responsive Email Text */
.email-text {
    word-break: break-all;
}

@media (max-width: 480px) {
    .email-text {
        font-size: 0.85rem !important;
    }
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 0.9rem;
    z-index: 3000;
    transition: transform 0.3s ease;
    pointer-events: none;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}