/* ============================================
   Autosemantics English Website - Main Stylesheet
   Created: 2025-01-13
   ============================================ */

/* --------------------------------------------
   CSS Variables
   -------------------------------------------- */
:root {
    /* Colors */
    --color-primary-dark: #212020;
    --color-primary-accent: #3a8afd;
    --color-button-blue: #1A54F5;
    --color-button-hover: #0d43cc;
    --color-text-dark: #080808;
    --color-text-light: #ffffff;
    --color-text-gray: #666666;
    --color-text-light-gray: #999999;
    --color-background-light: #fafafa;
    --color-background-white: #ffffff;
    --color-border: #e9e9e9;

    /* Fonts */
    --font-primary: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Play', sans-serif;

    /* Font Sizes */
    --font-size-h1: 48px;
    --font-size-h2: 36px;
    --font-size-h3: 24px;
    --font-size-body: 16px;
    --font-size-small: 14px;

    /* Spacing */
    --spacing-section: 100px;
    --spacing-card-gap: 30px;
    --spacing-element: 20px;

    /* Header */
    --header-height: 80px;

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

    /* Border Radius */
    --radius-small: 4px;
    --radius-medium: 8px;
    --radius-large: 12px;

    /* Shadows */
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-body);
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-background-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

ul, ol {
    list-style: none;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* --------------------------------------------
   Typography
   -------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text-dark);
}

h1 {
    font-size: var(--font-size-h1);
}

h2 {
    font-size: var(--font-size-h2);
}

h3 {
    font-size: var(--font-size-h3);
}

p {
    margin-bottom: var(--spacing-element);
}

/* --------------------------------------------
   Utility Classes
   -------------------------------------------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: var(--font-size-h2);
    text-align: center;
    margin-bottom: 60px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: var(--font-size-body);
    font-weight: 600;
    border-radius: var(--radius-small);
    transition: all var(--transition-normal);
}

.btn-primary {
    background-color: var(--color-button-blue);
    color: var(--color-text-light);
}

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

/* --------------------------------------------
   Section Base Styles
   -------------------------------------------- */
section {
    padding: var(--spacing-section) 0;
}

/* --------------------------------------------
   Global Responsive Styles
   -------------------------------------------- */
@media (max-width: 768px) {
    .section-title {
        font-size: 28px;
        margin-bottom: 40px;
        letter-spacing: 1px;
    }

    .btn {
        padding: 12px 28px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .section-title {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .btn {
        padding: 10px 24px;
        font-size: 14px;
    }
}

/* --------------------------------------------
   Header Styles
   -------------------------------------------- */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background-color: var(--color-primary-dark);
    transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

#header.scrolled {
    background-color: var(--color-primary-dark);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

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

/* Navigation */
.nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-list li a {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 400;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 10px 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-list li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary-accent);
    transition: width var(--transition-normal);
}

.nav-list li a:hover {
    color: var(--color-primary-accent);
}

.nav-list li a:hover::after {
    width: 100%;
}

/* Language Link */
.lang-link {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text-light);
    padding: 8px 16px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-small);
    transition: all var(--transition-fast);
}

.lang-link:hover {
    background-color: var(--color-text-light);
    color: var(--color-primary-dark);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    padding: 8px;
    z-index: 1001;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-light);
    margin: 3px 0;
    transition: all var(--transition-fast);
}

/* Mobile Menu Button Active State */
.mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .header-inner {
        padding: 0 15px;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-primary-dark);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        z-index: 999;
    }

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

    .nav-list {
        flex-direction: column;
        gap: 30px;
    }

    .nav-list li a {
        font-size: 24px;
    }

    .lang-link {
        display: none;
    }

    .logo img {
        height: 32px;
    }
}

@media (max-width: 480px) {
    .logo img {
        height: 28px;
    }
}

/* --------------------------------------------
   Hero Styles
   -------------------------------------------- */
#hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/hero/main1.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(0, 0, 0, 0.5) 50%,
        rgba(0, 0, 0, 0.6) 100%
    );
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--color-text-light);
    max-width: 900px;
    padding: 0 20px;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 30px;
    color: var(--color-text-light);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-title span {
    display: block;
    color: var(--color-primary-accent);
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: bounce 2s infinite;
}

.scroll-indicator img {
    width: 30px;
    height: auto;
    opacity: 0.8;
    filter: brightness(0) invert(1);
}

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

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

/* Hero Responsive */
@media (max-width: 992px) {
    .hero-title {
        font-size: 44px;
    }

    .hero-subtitle {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    #hero {
        min-height: 500px;
    }

    .hero-title {
        font-size: 36px;
        margin-bottom: 20px;
    }

    .hero-subtitle {
        font-size: 15px;
        margin-bottom: 30px;
    }

    .scroll-indicator {
        bottom: 30px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 14px;
    }
}

/* --------------------------------------------
   About Styles
   -------------------------------------------- */
#about {
    background-color: var(--color-background-white);
    padding: 100px 0;
}

.about-description {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.about-description p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--color-text-gray);
    margin-bottom: 20px;
}

.about-description p:last-child {
    margin-bottom: 0;
}

.about-description strong {
    color: var(--color-primary-accent);
    font-weight: 600;
}

/* About Cards */
.about-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.about-card {
    background-color: var(--color-background-light);
    border-radius: var(--radius-medium);
    padding: 40px 30px;
    text-align: center;
    transition: all var(--transition-normal);
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    background-color: var(--color-background-white);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.about-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 15px;
}

.about-card p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text-gray);
    margin-bottom: 0;
}

/* About Responsive */
@media (max-width: 992px) {
    .about-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .about-card {
        padding: 30px 20px;
    }
}

@media (max-width: 768px) {
    #about {
        padding: 80px 0;
    }

    .about-description p {
        font-size: 16px;
    }

    .about-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .about-card {
        padding: 35px 25px;
    }
}

@media (max-width: 480px) {
    .about-description p {
        font-size: 15px;
    }

    .card-icon {
        width: 60px;
        height: 60px;
    }

    .about-card h3 {
        font-size: 18px;
    }
}

/* --------------------------------------------
   Solutions Styles
   -------------------------------------------- */
#solutions {
    background-color: var(--color-primary-dark);
    padding: 100px 0;
    color: var(--color-text-light);
}

#solutions .section-title {
    color: var(--color-text-light);
}

/* Platform Box */
.platform-box {
    background: linear-gradient(135deg, rgba(58, 138, 253, 0.15) 0%, rgba(26, 84, 245, 0.1) 100%);
    border: 1px solid rgba(58, 138, 253, 0.3);
    border-radius: var(--radius-large);
    padding: 50px 40px;
    text-align: center;
    margin-bottom: 60px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.platform-name {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary-accent);
    margin-bottom: 15px;
}

.platform-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 10px;
}

.platform-tagline {
    font-size: 16px;
    font-style: italic;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
}

.platform-description {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin: 0 auto;
}

/* Subsection Title */
.subsection-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: 40px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* AI Capabilities */
.capabilities-section {
    margin-bottom: 60px;
}

.capabilities-cards {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.capability-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-medium);
    padding: 30px 20px;
    text-align: center;
    width: 220px;
    transition: all var(--transition-normal);
}

.capability-card:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    border-color: var(--color-primary-accent);
}

.capability-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.capability-icon img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    mix-blend-mode: screen;
}

.capability-card h5 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.capability-tagline {
    display: block;
    font-size: 13px;
    color: var(--color-primary-accent);
    font-weight: 600;
    margin-bottom: 15px;
}

.capability-card p {
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

.capability-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--color-primary-accent);
    padding: 0 5px;
}

/* Applications */
.applications-section {
    max-width: 900px;
    margin: 0 auto;
}

.applications-list {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.application-item {
    text-align: center;
    width: 200px;
}

.application-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.application-icon img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.application-item h5 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.application-item p {
    font-size: 13px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0;
}

/* Solutions Responsive */
@media (max-width: 992px) {
    .capability-card {
        width: 200px;
        padding: 25px 15px;
    }

    .capability-arrow {
        display: none;
    }

    .capabilities-cards {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    #solutions {
        padding: 80px 0;
    }

    .platform-box {
        padding: 35px 25px;
    }

    .platform-name {
        font-size: 26px;
    }

    .platform-subtitle {
        font-size: 16px;
    }

    .capabilities-cards {
        flex-direction: column;
        align-items: center;
    }

    .capability-card {
        width: 100%;
        max-width: 300px;
    }

    .applications-list {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    .application-item {
        width: 100%;
        max-width: 280px;
    }
}

@media (max-width: 480px) {
    .platform-name {
        font-size: 22px;
    }

    .platform-description {
        font-size: 14px;
    }
}

/* --------------------------------------------
   Cases Section
   -------------------------------------------- */

#cases {
    padding: 100px 0;
    background-color: #ffffff;
}

#cases .section-title {
    color: var(--color-text-dark);
}

.cases-subtitle {
    text-align: center;
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto 60px;
    line-height: 1.6;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.case-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 3 / 4;
    cursor: pointer;
}

.case-image {
    width: 100%;
    height: 100%;
    position: relative;
}

.case-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.5);
    pointer-events: none;
}

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

.case-card:hover .case-image img {
    transform: scale(1.1);
}

.case-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.6) 50%, transparent 100%);
    color: #ffffff;
    transition: all 0.3s ease;
}

.case-card:hover .case-overlay {
    background: linear-gradient(to top, rgba(58, 138, 253, 0.95) 0%, rgba(58, 138, 253, 0.7) 50%, transparent 100%);
}

.case-title {
    font-family: var(--font-english);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
    color: #ffffff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8), 0 1px 3px rgba(0, 0, 0, 0.9);
}

.case-location {
    font-size: 13px;
    color: #ffffff;
    margin-bottom: 10px;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7);
}

.case-description {
    font-size: 14px;
    line-height: 1.5;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    color: #ffffff;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

.case-card:hover .case-description {
    opacity: 1;
    max-height: 100px;
    margin-top: 10px;
}

/* Cases Responsive */
@media (max-width: 992px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .case-card {
        aspect-ratio: 4 / 3;
    }
}

@media (max-width: 768px) {
    #cases {
        padding: 80px 0;
    }

    .cases-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .cases-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .case-card {
        aspect-ratio: 16 / 10;
    }

    .case-description {
        opacity: 1;
        max-height: none;
    }
}

@media (max-width: 480px) {
    .case-title {
        font-size: 20px;
    }

    .case-overlay {
        padding: 20px 15px;
    }
}

/* --------------------------------------------
   News Section
   -------------------------------------------- */

#news {
    padding: 100px 0;
    background-color: #f8f9fa;
}

#news .section-title {
    color: var(--color-text-dark);
}

.news-subtitle {
    text-align: center;
    font-size: 18px;
    color: #666;
    margin-bottom: 60px;
}

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

.news-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.news-date {
    background: var(--color-primary-dark);
    color: #ffffff;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.date-day {
    font-family: var(--font-english);
    font-size: 18px;
    font-weight: 700;
    line-height: 1;
}

.date-month {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.news-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-dark);
    line-height: 1.4;
    margin-bottom: 15px;
}

.news-excerpt {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    flex: 1;
    margin-bottom: 20px;
}

.news-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary-accent);
    text-decoration: none;
    transition: color 0.3s ease;
    align-self: flex-start;
}

.news-link:hover {
    color: var(--color-button-blue);
}

/* News Responsive */
@media (max-width: 992px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    #news {
        padding: 80px 0;
    }

    .news-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .news-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .news-title {
        font-size: 16px;
    }

    .date-day {
        font-size: 28px;
    }

    .news-content {
        padding: 20px;
    }
}

/* --------------------------------------------
   Contact Section
   -------------------------------------------- */

#contact {
    padding: 100px 0;
    background-color: #ffffff;
}

#contact .section-title {
    color: var(--color-text-dark);
}

.contact-subtitle {
    text-align: center;
    font-size: 18px;
    color: #666;
    margin-bottom: 60px;
}

/* Contact Info Centered */
.contact-info-centered {
    max-width: 800px;
    margin: 0 auto;
    background: #f8f9fa;
    padding: 50px;
    border-radius: 16px;
    text-align: center;
}

.contact-info-title {
    font-family: var(--font-english);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--color-primary-accent);
}

.contact-items-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 15px;
    text-align: left;
    padding: 20px;
    background: #ffffff;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--color-primary-dark);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon img {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
}

.contact-text strong {
    display: block;
    font-size: 13px;
    color: #666;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-text p {
    font-size: 15px;
    color: var(--color-text-dark);
    line-height: 1.5;
}

.contact-text a {
    color: var(--color-primary-accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-text a:hover {
    color: var(--color-button-blue);
}

/* Contact Responsive */
@media (max-width: 768px) {
    #contact {
        padding: 80px 0;
    }

    .contact-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .contact-info-centered {
        padding: 30px 20px;
    }

    .contact-info-title {
        font-size: 22px;
    }

    .contact-items-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .contact-icon {
        width: 40px;
        height: 40px;
    }

    .contact-icon img {
        width: 20px;
        height: 20px;
    }

    .contact-text p {
        font-size: 14px;
    }
}

/* --------------------------------------------
   Footer Section
   -------------------------------------------- */

#footer {
    background-color: var(--color-primary-dark);
    color: #ffffff;
}

.footer-main {
    padding: 60px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 60px;
}

/* Footer Brand */
.footer-brand {
    max-width: 350px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

/* Footer Links */
.footer-title {
    font-family: var(--font-english);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #ffffff;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-primary-accent);
}

/* Footer Contact */
.footer-contact ul {
    list-style: none;
}

.footer-contact li {
    margin-bottom: 15px;
}

.footer-contact strong {
    display: block;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-contact span,
.footer-contact a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
}

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

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-kr-link {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-kr-link:hover {
    color: var(--color-primary-accent);
}

/* Footer Responsive */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .footer-main {
        padding: 50px 0 30px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-bottom .container {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .footer-logo {
        height: 32px;
    }

    .footer-desc {
        font-size: 13px;
    }
}

/* --------------------------------------------
   Scroll Animations
   -------------------------------------------- */

.animate-ready {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animation for cards */
.about-cards .animate-ready:nth-child(1) { transition-delay: 0s; }
.about-cards .animate-ready:nth-child(2) { transition-delay: 0.1s; }
.about-cards .animate-ready:nth-child(3) { transition-delay: 0.2s; }

.capabilities-cards .animate-ready:nth-child(1) { transition-delay: 0s; }
.capabilities-cards .animate-ready:nth-child(3) { transition-delay: 0.15s; }
.capabilities-cards .animate-ready:nth-child(5) { transition-delay: 0.3s; }
.capabilities-cards .animate-ready:nth-child(7) { transition-delay: 0.45s; }

.cases-grid .animate-ready:nth-child(1) { transition-delay: 0s; }
.cases-grid .animate-ready:nth-child(2) { transition-delay: 0.1s; }
.cases-grid .animate-ready:nth-child(3) { transition-delay: 0.2s; }
.cases-grid .animate-ready:nth-child(4) { transition-delay: 0.3s; }

.news-grid .animate-ready:nth-child(1) { transition-delay: 0s; }
.news-grid .animate-ready:nth-child(2) { transition-delay: 0.1s; }
.news-grid .animate-ready:nth-child(3) { transition-delay: 0.2s; }

.contact-items-grid .animate-ready:nth-child(1) { transition-delay: 0s; }
.contact-items-grid .animate-ready:nth-child(2) { transition-delay: 0.1s; }
.contact-items-grid .animate-ready:nth-child(3) { transition-delay: 0.2s; }
.contact-items-grid .animate-ready:nth-child(4) { transition-delay: 0.3s; }

/* --------------------------------------------
   Active Navigation
   -------------------------------------------- */

.nav-list a.active {
    color: var(--color-primary-accent);
}

.nav-list a.active::after {
    width: 100%;
}

/* --------------------------------------------
   News Page Styles
   -------------------------------------------- */

.news-page-section {
    padding-top: 120px;
    padding-bottom: 80px;
    min-height: 100vh;
    background-color: var(--color-bg-dark);
}

.back-to-home {
    display: inline-block;
    color: var(--color-primary-accent);
    font-size: 14px;
    text-decoration: none;
    margin-bottom: 30px;
    transition: all var(--transition-fast);
}

.back-to-home:hover {
    color: #ffffff;
}

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

.page-title {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 18px;
    color: var(--color-primary-accent);
}

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

.news-more {
    text-align: center;
    margin-top: 40px;
}

.btn-secondary {
    display: inline-block;
    padding: 14px 36px;
    background-color: var(--color-primary-accent);
    color: var(--color-text-dark);
    border: 2px solid var(--color-primary-accent);
    border-radius: var(--radius-small);
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.btn-secondary:hover {
    background-color: transparent;
    color: var(--color-primary-accent);
}

/* News Page Responsive */
@media (max-width: 992px) {
    .news-grid-all {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .news-page-section {
        padding-top: 100px;
    }

    .page-title {
        font-size: 36px;
    }

    .news-grid-all {
        grid-template-columns: 1fr;
    }
}

/* --------------------------------------------
   News Popup Modal
   -------------------------------------------- */

.news-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 20px;
}

.news-popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.news-popup {
    background-color: var(--color-bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-medium);
    max-width: 800px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(30px);
    transition: transform 0.3s ease;
}

.news-popup-overlay.active .news-popup {
    transform: translateY(0);
}

.news-popup-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 32px;
    cursor: pointer;
    transition: color var(--transition-fast);
    line-height: 1;
    z-index: 10;
}

.news-popup-close:hover {
    color: var(--color-text-light);
}

.news-popup-content {
    padding: 50px;
}

.news-popup-date {
    display: inline-block;
    font-size: 14px;
    color: var(--color-primary-accent);
    margin-bottom: 15px;
}

.news-popup-title {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-light);
    margin-bottom: 30px;
    line-height: 1.4;
}

.news-popup-body {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
    line-height: 1.8;
}

.news-popup-body p {
    margin-bottom: 20px;
}

.news-popup-body p:last-child {
    margin-bottom: 0;
}

/* Popup Responsive */
@media (max-width: 768px) {
    .news-popup-content {
        padding: 40px 25px;
    }

    .news-popup-title {
        font-size: 22px;
    }

    .news-popup-body {
        font-size: 15px;
    }

    .news-popup-close {
        top: 15px;
        right: 15px;
    }
}

/* Error Message */
.news-error {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 16px;
    padding: 40px;
}