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

:root {
    --primary-color: #ff5733;
    --light-bg-main: #fffcf8;
    --light-bg-about: #fffbf8;
    --navy-bg-main: linear-gradient(135deg, #001F3F 50%, #021a34 70%, #001F3F 90%);     /*요청 색상 #001F3F*/
    --navy-bg-about: linear-gradient(135deg, #003366 50%, #0c437d 70%, #003366 90%);       /*요청 색상 #003366*/
    --navy-border : #f0f0f0;
    --text-color: #333;
    --card-text-color: #cbd5e1;
    --sub-text-color: #666;
    --border-color: #fce8d7;
    --light-border: #f0f0f0;
    /*--about-section-bg: #fff8f2;*/
    --about-section-bg:#003366;
    --box-bg: #ffffff;
    --hover-shadow-color: rgba(255, 87, 51, 0.4);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.5;
}

body {
    background-color: white;
    min-height: 100vh;
    color: var(--text-color);
    word-break: keep-all;
    display: flex;
    flex-direction: column;
}


main {
    flex-grow: 1;
}

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

.fade-in-on-load {
    opacity: 0;
    animation: pageFadeIn 0.7s ease-out forwards;
}

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

.container-about {
    max-width: 900px;
    margin: 0 auto;
}

.container-product {
    max-width: 1000px;
    margin: 0 auto;
}

.container-technology {
    max-width: 1000px;
    margin: 0 auto;
}

.container-contact {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.navbar {
    background-color: white;
    border-bottom: 1px solid #eee;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--text-color);
}

.logo a { text-decoration: none; }
.logo a:link, .logo a:visited, .logo a:hover, .logo a:active {
    color: var(--text-color);
}

/* 마진 기본*/
.mg-b-20{
    margin-bottom: 20px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--sub-text-color);
    font-weight: 500;
    padding: 5px 0;
    position: relative;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}
.main-container-padding-top{
    padding-top: 60px;
    padding-bottom: 10px;
}

#page-main {
    background: white;
    animation: none;
    opacity: 1;
}

.main-header {
    text-align: center;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-image: url('/img/main_page_background.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    position: relative;
    z-index: 1;
    padding: 0 20px;
}

.main-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: -1;
}

@keyframes contentFadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.main-header .container > * {
    opacity: 0;
    animation: contentFadeUp 0.7s ease-out forwards;
}

.main-header .support-tag { animation-delay: 0.2s; }
.main-header .main-title { animation-delay: 0.4s; }
.main-header .main-subtitle { animation-delay: 0.6s; }
.main-header .button-group { animation-delay: 0.7s; }
/*.brand-story .story-quote { animation-delay: 0.7s; }*/

.support-tag span {
    margin-right: 5px;
}

.main-title {
    font-size: 3em;
    font-weight: 900;
    color: #ffffff;
    line-height: 1.2;
}

.main-title span {
    color: #ffffff;
}

.main-title span:first-child {
    color: var(--primary-color);
}

.main-subtitle {
    font-size: 1.1em;
    color: #f0f0f0;
    margin-top: 30px;
    font-weight: 400;
}

.button-group {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.btn {
    padding: 12px 25px;
    border: 2px solid var(--primary-color);
    border-radius: 5px;
    font-size: 1em;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

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

.btn-secondary {
    background-color: transparent;
    color: #ffffff;
    border-color: #ffffff;
}

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

.stats-section {
    padding: 100px 0;
    background-color: var(--navy-bg-main);
    opacity: 0;
    animation: contentFadeUp 0.7s ease-out 0.9s forwards;
}

.stats-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.stat-box {
    flex: 1;
    padding: 40px 20px;
    background-color: white;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

.stat-number {
    font-size: 3em;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-description {
    font-size: 1em;
    font-weight: 500;
    color: var(--text-color);
}

.stat-subtext {
    font-size: 0.8em;
    color: var(--sub-text-color);
    margin-top: 5px;
}

/*region index*/
/* 브랜드 스토리 섹션 */
.brand-story {
    padding: 80px 20px;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                url("/img/index/background/background_index.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-story::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 31, 63, 0.8)),
    url("/img/index/background/background_index.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -1;
}

/* 히어로 콘텐츠 */
.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
    animation: fadeInUp 1.2s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 브랜드 타이틀 */
.brand-title {
    margin-bottom: 80px;
    animation: fadeIn 1s ease;
}

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

.company-name {
    font-size: 96px;
    font-weight: 900;
    letter-spacing: 8px;
    margin-bottom: 10px;
    line-height: 1;
}

.name-QBX {
    background: linear-gradient(135deg, #003366, #0066cc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgb(0 6 203 / 30%);
}


.brand-tagline {
    font-size: 24px;
    color: #cbd5e1;
    letter-spacing: 4px;
    font-weight: 300;
}

/* 히어로 인용구 */
.hero-quote {
    margin-bottom: 80px;
    padding: 60px 40px;
    background: linear-gradient(
            135deg,
            rgba(203, 213, 225, 0.1),
            rgba(148, 163, 184, 0.05)
    );
    backdrop-filter: blur(10px);
    border-radius: 24px;
    border: 1px solid rgba(0, 102, 204, 0.3);
    box-shadow:
            0 20px 60px rgba(0, 0, 0, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: fadeInUp 0.7s ease 0.3s backwards;

    transform: translateZ(0);
}

.quote-container {
    position: relative;
    margin-bottom: 30px;
}


.main-quote {
    font-size: 36px;
    line-height: 1.6;
    color: #ffffff;
    font-weight: 400;
    margin: 40px 0;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.quote-source {
    font-size: 18px;
    color: #94a3b8;
    font-style: italic;
    font-weight: 300;
}

/* 여정 메시지 */
.journey-message {
    margin-bottom: 60px;
    animation: fadeInUp 1s ease 0.6s backwards;
}

.divider-line {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #4ade80, transparent);
    margin: 40px auto;
}

.journey-text {
    font-size: 28px;
    line-height: 1.8;
    color: #e2e8f0;
    font-weight: 300;
}

.journey-text strong {
    font-weight: 700;
    background: linear-gradient(135deg, #003366, #0066cc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 32px;
}

/* 스크롤 인디케이터 */
.hero-actions {
    margin-top: 80px;
    animation: fadeInUp 1s ease 0.9s backwards;
}

.scroll-indicator {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.3s ease;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

.scroll-indicator:hover {
    color: #4ade80;
}

.scroll-indicator span {
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-indicator svg {
    width: 32px;
    height: 32px;
}

/* 스크롤 스토리 섹션 */
.scroll-story {
    background: var(--navy-bg-main);
}

.scroll-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px;
    position: relative;
    overflow: hidden;
}

/* 섹션별 배경색 교차 */
.scroll-section-1 {
    background: var(--navy-bg-about);
}

.scroll-section-2 {
    background: var(--navy-bg-main);
}

.scroll-section-3 {
    background: var(--navy-bg-about);
}

.scroll-section-4 {
    background: var(--navy-bg-main);
}

/* 신선한 느낌의 배경 효과 */
.scroll-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(74, 222, 128, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.scroll-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.scroll-content {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1s ease, transform 1s ease;
}

.scroll-content.fade-in-scroll {
    opacity: 1;
    transform: translateY(0);
}

/* 아이콘 */
.scroll-icon {
    margin: 0 auto 40px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* 타이틀 */
.scroll-title {
    font-size: 42px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.4;
    margin-bottom: 40px;
    letter-spacing: -0.5px;
}

.gradient-title {
    background: linear-gradient(135deg, #4ade80 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-title-large {
    font-size: 48px;
    background: linear-gradient(135deg, #4ade80 0%, #60a5fa 50%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.vision-title {
    font-size: 28px;
    color: #94a3b8;
    margin-bottom: 20px;
}

/* 텍스트 */
.scroll-text {
    font-size: 22px;
    line-height: 1.8;
    color: var(--card-text-color);
    margin-bottom: 30px;
}

.highlight-problem {
    color: #f87171;
    font-weight: 500;
    background: rgba(248, 113, 113, 0.1);
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid #f87171;
}

/* 구분선 */
.scroll-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #4ade80, #3b82f6);
    margin: 40px auto;
    border-radius: 2px;
}

@keyframes slideIn {
    from {
        transform: scaleX(0);
        opacity: 0;
    }
    to {
        transform: scaleX(1);
        opacity: 1;
    }
}

/* 솔루션 통계 */
.solution-stats {
    margin: 50px 0;
}

.stat-change {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    padding: 40px;
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.1), rgba(59, 130, 246, 0.1));
    border-radius: 16px;
    border: 2px solid rgba(74, 222, 128, 0.3);
}

.stat-before {
    font-size: 56px;
    font-weight: 700;
    color: #f87171;
}

.stat-arrow {
    font-size: 48px;
    color: #4ade80;
}

.stat-after {
    font-size: 56px;
    font-weight: 700;
    color: #4ade80;
}

/* 비전 데코레이션 */
.vision-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(74, 222, 128, 0.15), transparent 70%);
    border-radius: 50%;
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.vision-decoration {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 60px;
}

.decoration-circle {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4ade80, #3b82f6);
    animation: bounce 1.5s ease-in-out infinite;
}

.decoration-circle:nth-child(2) {
    animation-delay: 0.2s;
}

.decoration-circle:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}
/*endregion index*/


.quote-mark {
    font-size: 120px;
    font-family: Georgia, serif;
    color: #3b82f6;
    line-height: 0.8;
    opacity: 0.2;
    position: absolute;
    top: 20px;
    left: 20px;
}

blockquote {
    font-size: 24px;
    line-height: 1.6;
    color: #1e293b;
    font-weight: 500;
    margin: 40px 0 30px 0;
    position: relative;
    z-index: 1;
}

.quote-author {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid #e2e8f0;
}

.quote-author p {
    font-size: 16px;
    color: #64748b;
    font-style: italic;
}

/* 스토리 텍스트 */
.story-text h2 {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 30px;
    color: #1e293b;
}

.text-highlight {
    color: #3b82f6;
    position: relative;
}

.text-highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
}

.story-description {
    font-size: 18px;
    line-height: 1.8;
    color: var(--card-text-color);
    margin-bottom: 50px;
    /*animation: contentFadeUp 0.7s ease-out 0.9s forwards;*/
}

/* 스토리 통계 */
.story-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 25px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.stat-item strong {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: #3b82f6;
    margin-bottom: 10px;
}

.stat-item span {
    font-size: 14px;
    color: #64748b;
    font-weight: 500;
}

/* region about */
.sub-about-section {
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.3), rgba(0, 51, 102, 0.15));
    border-radius: 30px;
    margin-bottom: 100px;
}
/* Vision Section */
.about-section {
    padding: 50px 50px;
    text-align: center;
}

.section-label {
    font-size: 16px;
    font-weight: 700;
    color: #60a5fa;
    letter-spacing: 3px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.5;
}


.wwd-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.wwd-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 40px;
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.3), rgba(0, 51, 102, 0.15));
    border: 2px solid rgba(0, 102, 204, 0.3);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.wwd-item:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 102, 204, 0.5);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.2);
}

.wwd-icon {
    font-size: 48px;
    flex-shrink: 0;
}

.wwd-content h4 {
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
    line-height: 1.6;
    margin: 0;
}
/* 문제 해결 비교 섹션 */
.problem-solution-section {
    padding: 100px 0;
}

.comparison-grid {
    display: flex;
    flex-direction: column;
    gap: 60px;
    margin-top: 60px;
}

.comparison-item {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    align-items: center;
    padding: 40px;
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.2), rgba(0, 31, 63, 0.1));
    border-radius: 24px;
    border: 2px solid rgba(0, 102, 204, 0.2);
}

.problem-side,
.solution-side {
    padding: 30px;
    border-radius: 16px;
}

.problem-side {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid rgba(239, 68, 68, 0.3);
}

.solution-side {
    background: rgba(34, 197, 94, 0.1);
    border: 2px solid rgba(34, 197, 94, 0.3);
}

.side-label {
    font-size: 12px;
    font-weight: 700;
    color: #94a3b8;
    letter-spacing: 1px;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.problem-side h4 {
    font-size: 22px;
    font-weight: 700;
    color: #f87171;
    margin-bottom: 20px;
}

.solution-side h4 {
    font-size: 22px;
    font-weight: 700;
    color: #4ade80;
    margin-bottom: 20px;
}

.problem-side p,
.solution-side p {
    font-size: 16px;
    font-weight: 600;
    color: #cbd5e1;
    margin: 15px 0 10px 0;
}

.problem-side ul,
.solution-side ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.problem-side li,
.solution-side li {
    font-size: 15px;
    line-height: 1.8;
    color: #cbd5e1;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.problem-side li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #f87171;
    font-weight: 700;
}

.solution-side li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #4ade80;
    font-weight: 700;
}

.arrow-divider {
    font-size: 36px;
    color: #60a5fa;
    font-weight: 700;
}
/* endregion about */

.tab-button {
    flex: 1;
    padding: 15px;
    border: none;
    background-color: transparent;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 700;
    color: var(--sub-text-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-button.active {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 5px 15px rgba(255, 87, 51, 0.3);
}

.mission-vision-panels {
    position: relative;
    flex-grow: 1;
}

.mission-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    padding: 20px;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
    visibility: hidden;
}

.mission-panel.active {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

.panel-text {
    padding-right: 20px;
}

.panel-text h3 {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 20px;
}

.panel-text p {
    font-size: 1.1em;
    line-height: 1.7;
    color: var(--sub-text-color);
}

.panel-text ul {
    list-style: none;
    padding-left: 0;
}

.panel-text li {
    font-size: 1.2em;
    color: var(--text-color);
    margin-bottom: 20px;
    font-weight: 500;
    position: relative;
    padding-left: 20px;
}

.panel-text li::before {
    content: '•';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary-color);
    font-size: 1.5em;
    line-height: 1.2em;
}

.panel-visual {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-placeholder {
    width: 100%;
    height: 90%;
    max-height: 350px;
    background: linear-gradient(135deg, var(--navy-bg-about) 0%, #fdece6 100%);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--border-color);
}

.visual-placeholder p {
    font-size: 1.2em;
    font-weight: 600;
    color: #b0b0b0;
}

.mission-patents {
    background-color: white;
    padding: 80px 0;
    overflow: hidden;
    border-top: 1px solid var(--navy-border);
}

.mission-patents h3 {
    text-align: center;
    font-size: 2.2em;
    font-weight: 900;
    margin-bottom: 50px;
}

.patent-carousel-wrapper {
    width: 100%;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.patent-carousel-track {
    display: flex;
    width: calc(260px * 22);
    animation: scroll-patents 80s linear infinite;
}

.patent-item {
    width: 260px;
    padding: 0 10px;
    flex-shrink: 0;
}
    .mission-report img,
    .patent-item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

.patent-placeholder {
    width: 100%;
    height: 350px;
    background-color: #f0f0f0;
    border: 1px solid var(--navy-border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #aaa;
    font-weight: 500;
}

@keyframes scroll-patents {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.mission-report {
    text-align: center;
    background-color: var(--navy-bg-about);
    padding: 80px 0;
}

.mission-report h3 {
    font-size: 2.2em;
    font-weight: 900;
    margin-bottom: 20px;
}

.mission-report p {
    font-size: 1.1em;
    color: var(--sub-text-color);
    margin-bottom: 30px;
}

.report-placeholder {
    max-width: 600px;
    /*height: 400px;*/
    margin: 0 auto;
    background-color: #e0e0e0;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    border: 1px solid #ccc;
}

#page-about {
    background: linear-gradient(135deg, #001F3F 50%, #021a34 70%, #001F3F 90%);
}

.origin-story-section {
    position: relative;
    height: 66.67vh;
    color: white;
    text-align: center;
    margin-bottom: 80px;
    overflow: hidden;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0;

    background-image: url('/img/worker_in_kitchen.jpg');
    background-size: cover;
    background-position: center center;
    background-attachment: fixed;
}

.origin-story-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: -1;
}

.origin-story-section h2 {
    font-size: 2em;
    font-style: italic;
    font-weight: 400;
    margin-bottom: 25px;
    line-height: 1.5;
    max-width: 700px;
    padding: 0 20px;
}

.origin-story-section p {
    font-size: 1.1em;
    line-height: 1.7;
    font-weight: 300;
    margin-bottom: 15px;
    max-width: 600px;
    padding: 0 20px;
}

.origin-story-section p.source {
    font-weight: 700;
    font-size: 1.2em;
    margin-bottom: 25px;
    color: #f0f0f0;
}

.origin-story-section p.origin-signature {
    font-size: 1.1em;
    font-style: italic;
    font-weight: 500;
    color: #e0e0e0;
    text-align: right;
    margin-top: 30px;
    max-width: 600px;
    padding: 0 20px;
    width: 100%;
}

.page-header {
    text-align: center;
    padding: 50px 0 80px;
}

.tag-small {
    display: inline-block;
    background-color: #ffe0d5;
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    margin-bottom: 25px;
    font-weight: 500;
}

.page-title {
    font-size: 2.5em;
    font-weight: 900;
    color: var(--text-color);
    line-height: 1.3;
}

.page-description {
    font-size: 1em;
    color: var(--sub-text-color);
    margin-top: 20px;
    font-weight: 400;
    line-height: 1.6;
}

.problem-intro {
    text-align: center;
    padding: 40px 0 50px;
}

.problem-intro h2 {
    font-size: 1.8em;
    font-weight: 700;
    margin-bottom: 10px;
}

.problem-intro p {
    font-size: 1em;
    color: var(--sub-text-color);
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    padding-bottom: 80px;
}

.problem-box {
    background-color: var(--box-bg);
    border: 1px solid var(--navy-border);
    border-radius: 10px;
    padding: 30px;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.05),
    0px 0px 0px 0px rgba(255, 87, 51, 0);
    transition: all 0.3s ease-in-out;
    cursor: pointer;
}

.problem-box:hover {
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.08),
    0px 0px 0px 4px var(--hover-shadow-color);
    transform: translateY(-3px);
}


.box-icon {
    font-size: 2em;
    color: var(--primary-color);
    margin-bottom: 15px;
    background-color: #ffe0d5;
    display: inline-block;
    padding: 10px;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.box-title {
    font-size: 1.15em;
    font-weight: 700;
    margin-bottom: 8px;
}

.box-description {
    font-size: 0.9em;
    color: var(--sub-text-color);
    line-height: 1.5;
}

.highlight-section {
    background-color: var(--about-section-bg);
    text-align: center;
    padding: 100px 20px;
}

.highlight-title {
    font-size: 1.8em;
    font-weight: 700;
    margin-bottom: 15px;
}

.highlight-description {
    font-size: 1em;
    color: var(--sub-text-color);
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto;
}

#page-products {
    background: linear-gradient(135deg, #001F3F 50%, #021a34 70%, #001F3F 90%);
}

blockquote.product-section-subtitle {
    font-size: 1.1em;
    font-style: italic;
    color: var(--text-color);
    margin: 30px auto 50px;
    padding: 20px 30px 20px 60px;
    text-align: left;
    border-left: 8px solid var(--primary-color);
    background-color: var(--navy-bg-about);
    position: relative;
    max-width: 800px;
}

blockquote.product-section-subtitle::before {
    content: '“';
    font-family: Georgia, serif;
    font-size: 5em;
    color: var(--primary-color);
    opacity: 0.2;
    position: absolute;
    left: 15px;
    top: 0px;
    line-height: 1;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.benefit-item {
    background-color: var(--navy-bg-about);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--navy-border);
}

.benefit-item h3 {
    font-size: 1.2em;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.benefit-item p {
    font-size: 0.95em;
    color: var(--sub-text-color);
    line-height: 1.6;
    margin-bottom: 10px;
}

.benefit-item p strong {
    font-weight: 700;
    color: var(--text-color);
}

/*region 리모콘 product */
/* 오른쪽 고정 리모컨 스타일 */
.product-sub-nav {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;

    display: flex;
    flex-direction: column;
    gap: 8px;

    background: linear-gradient(135deg, rgba(0, 51, 102, 0.95), rgba(0, 31, 63, 0.95));
    padding: 25px 20px;
    border-radius: 20px;
    border: 2px solid rgba(0, 102, 204, 0.4);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);

    max-width: 250px;
}

.nav-title {
    font-size: 14px;
    font-weight: 700;
    color: #60a5fa;
    text-align: center;
    padding-bottom: 15px;
    margin-bottom: 10px;
    border-bottom: 2px solid rgba(0, 102, 204, 0.3);
    letter-spacing: 1px;
}

.product-nav-link {
    padding: 12px 16px;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 14px;
    border-radius: 10px;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    line-height: 1.4;
}

.product-nav-link:hover {
    background: rgba(0, 102, 204, 0.2);
    color: #ffffff;
    border-left-color: #0066cc;
    transform: translateX(-3px);
}

.product-nav-link.active {
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.4), rgba(0, 102, 204, 0.2));
    color: #ffffff;
    border-left-color: #60a5fa;
    font-weight: 600;
}

/* 반응형 - 모바일에서는 상단 고정 */
@media (max-width: 1200px) {
    .product-sub-nav {
        position: sticky;
        top: 80px;
        right: auto;
        transform: none;
        margin: 0 auto 40px;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .product-sub-nav {
        flex-direction: row;
        overflow-x: auto;
        padding: 15px;
        gap: 10px;
    }

    .nav-title {
        display: none;
    }

    .product-nav-link {
        white-space: nowrap;
        font-size: 13px;
        padding: 10px 15px;
    }
}
/*endregion 리모콘 product */


.product-detail-section {
    padding-top: 60px;
    margin-top: -60px;
    margin-bottom: 50px;
    border-bottom: 1px solid var(--navy-border);
    padding-bottom: 30px;
}

.product-detail-section:last-child {
    border-bottom: none;
}

/* 제품 그리드 */
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1400px;
    margin: 0 auto;
    align-items: start;
}

/* 왼쪽: 이미지 영역 */
.product-detail-left {
    display: flex;
    flex-direction: column;
    gap: 30px;
    height: 100%;
}

.product-image-placeholder {
    width: 100%;
    min-height: 400px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border: 2px solid rgba(0, 102, 204, 0.3);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
}

.product-image-placeholder:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 102, 204, 0.5);
    box-shadow: 0 15px 50px rgba(0, 102, 204, 0.2);
}

.product-image-placeholder img {
    width: 100%;
    flex: 1;
    object-fit: contain;
    object-position: center;
    display: block;
    padding: 20px;
    padding-bottom: 10px;
}
.basic-image-wrapper {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.image-caption {
    font-size: 14px;
    color: #cbd5e1;
    text-align: center;
    line-height: 1.6;
    margin: 0;
    padding: 15px 20px;
    background: rgba(0, 31, 63, 0.6);
    border-top: 1px solid rgba(0, 102, 204, 0.3);
}
/* 오른쪽: 스펙 영역 */
.product-detail-right {
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.3), rgba(0, 51, 102, 0.15));
    border: 2px solid rgba(0, 102, 204, 0.3);
    border-radius: 20px;
    padding: 50px;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* 스펙 리스트 */
.product-specs {
    display: flex;
    flex-direction: column;
    gap: 35px;
}

.product-specs dt {
    font-size: 20px;
    font-weight: 700;
    color: #60a5fa;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(0, 102, 204, 0.3);
    background: linear-gradient(135deg, #0066cc, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.5px;
}

.product-specs dd {
    font-size: 16px;
    line-height: 1.8;
    color: #cbd5e1;
    margin: 0;
    padding-left: 10px;
}

/* 특징 리스트 */
.product-specs ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-specs li {
    margin-bottom: 20px;
    position: relative;
}

.product-specs li::before {
    position: absolute;
    left: 0;
    color: #60a5fa;
    font-size: 18px;
    font-weight: 700;
}

.product-specs li:last-child {
    margin-bottom: 0;
}

.product-specs strong {
    display: block;
    color: #ffffff;
    font-weight: 600;
    font-size: 17px;
    margin-bottom: 6px;
}

/* 강조 효과 */
.product-specs dd ul li strong {
    display: inline-block;
    margin-bottom: 8px;
}
.product-specs dd ul li span {
    padding-left: 3px;
    margin-top: 6px;
}

#page-technology {
    background: linear-gradient(135deg, #001F3F 50%, #021a34 70%, #001F3F 90%);
}

.tech-header {
    text-align: center;
    padding: 20px 0 60px;
}


.tech-title {
    font-size: 2.2em;
    font-weight: 900;
    color: var(--text-color);
    margin-bottom: 10px;
}

.tech-description {
    font-size: 1em;
    color: var(--sub-text-color);
    line-height: 1.6;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    padding: 0 50px;
}

.tech-box {
    text-align: left;
    min-height: auto;
    padding: 35px 25px;
}

.tech-icon {
    background-color: #ffe0d5;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.tech-name {
    font-size: 1.15em;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-color);
}

.tech-description-detail {
    font-size: 0.9em;
    color: var(--sub-text-color);
    line-height: 1.5;
}

.half-price-model {
    padding: 50px 0 100px;
    /*background-color: white;*/
}

.model-header {
    text-align: center;
    padding: 30px 0 60px;
}

.model-title {
    font-size: 2.2em;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 10px;
}

.model-description {
    font-size: 1em;
    color: var(--sub-text-color);
    line-height: 1.6;
}

.model-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: 900px;
    margin: 0 auto 80px;
}

.model-stat-box {
    background-color: var(--navy-bg-about);
    padding: 40px 20px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--navy-border);
}

.model-icon {
    font-size: 2em;
    color: var(--primary-color);
    margin-bottom: 10px;
    background-color: #ffe0d5;
    display: inline-block;
    padding: 10px;
    border-radius: 50%;
}

.model-number {
    font-size: 2.5em;
    font-weight: 900;
    margin-bottom: 5px;
}

.model-desc {
    font-size: 1em;
    font-weight: 700;
    color: var(--text-color);
}

.model-subtext {
    font-size: 0.85em;
    color: var(--sub-text-color);
    margin-top: 5px;
}

/* 4개 박스 그리드 */
.model-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.detail-item {
    padding: 40px;
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.3), rgba(0, 51, 102, 0.15));
    border: 2px solid rgba(0, 102, 204, 0.3);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.detail-item:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 102, 204, 0.5);
    box-shadow: 0 12px 40px rgba(0, 102, 204, 0.3);
}

.detail-icon {
    font-size: 48px;
    margin-bottom: 20px;
    text-align: center;
}

.detail-content {
    text-align: left;
}

.detail-title {
    font-size: 28px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 25px;
    text-align: center;
    background: linear-gradient(135deg, #0066cc, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.detail-text {
    color: #e2e8f0;
    font-size: 16px;
    line-height: 1.8;
}

.detail-text p {
    margin-bottom: 12px;
}

.detail-text strong {
    color: #ffffff;
    font-weight: 600;
    display: block;
    margin-top: 15px;
}

.detail-text strong:first-child {
    margin-top: 0;
}

.detail-indent {
    padding-left: 20px;
    color: #cbd5e1;
    margin-bottom: 8px !important;
    margin-top: 5px !important;
}

.model-cta {
    background-color: var(--about-section-bg);
    text-align: center;
    padding: 80px 20px;
    max-width: 800px;
    margin: 0 auto;
    border-radius: 10px;
}

.model-cta-icon {
    font-size: 3em;
    line-height: 1;
    margin-bottom: 20px;
}

.model-cta-title {
    font-size: 2em;
    font-weight: 700;
    margin-bottom: 15px;
}

.model-cta-subtitle {
    font-size: 1em;
    color: var(--sub-text-color);
    margin-bottom: 30px;
}

.btn-cta {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    border: 2px solid var(--primary-color);
    padding: 15px 30px;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: 700;
    text-decoration: none;
    transition: background-color 0.3s;
}

.cta-note {
    font-size: 0.9em;
    color: var(--sub-text-color);
    margin-top: 15px;
}
/* 문의하기 섹션 */
#page-contact {
    min-height: 100vh;
    background: linear-gradient(135deg, #001F3F 50%, #021a34 70%, #001F3F 90%);
    position: relative;
    overflow: hidden;
}

/* 배경 장식 효과 */
#page-contact::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

#page-contact::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 51, 102, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

/* 컨테이너 */
.container-contact {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* 헤더 */
.basic-header {
    text-align: center;
    margin-bottom: 80px;
    animation: fadeInUp 0.8s ease;
}

.basic-tag {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.3), rgba(0, 102, 204, 0.2));
    border: 1px solid rgba(0, 102, 204, 0.4);
    border-radius: 20px;
    color: #60a5fa;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.basic-title {
    font-size: 48px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 20px;
    line-height: 1.3;
}

.text-highlight {
    background: linear-gradient(135deg, #0066cc, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.basic-description {
    font-size: 18px;
    color: #94a3b8;
    line-height: 1.6;
}

/* 그리드 레이아웃 */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
}

/* 연락처 정보 */
.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: 30px;
    animation: fadeInLeft 0.8s ease 0.2s backwards;
}

.info-box {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 30px;
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.2), rgba(0, 51, 102, 0.1));
    border: 1px solid rgba(0, 102, 204, 0.3);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.info-box:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 102, 204, 0.5);
    box-shadow: 0 8px 30px rgba(0, 102, 204, 0.2);
}

.info-icon {
    font-size: 36px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #003366, #0066cc);
    border-radius: 12px;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.info-details {
    flex: 1;
}

.info-label {
    font-size: 14px;
    color: #64748b;
    font-weight: 500;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-value {
    font-size: 18px;
    color: #e2e8f0;
    font-weight: 600;
}

/* 문의 폼 */
.contact-form-wrapper {
    animation: fadeInRight 0.8s ease 0.4s backwards;
}

.contact-form {
    padding: 50px;
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.3), rgba(0, 51, 102, 0.15));
    border: 1px solid rgba(0, 102, 204, 0.3);
    border-radius: 24px;
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #cbd5e1;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(0, 31, 63, 0.5);
    border: 2px solid rgba(0, 102, 204, 0.3);
    border-radius: 12px;
    color: #ffffff;
    font-size: 16px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #64748b;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0066cc;
    background: rgba(0, 31, 63, 0.7);
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
    font-family: inherit;
}

/* 제출 버튼 */
.btn-submit {
    width: 100%;
    padding: 18px 40px;
    background: linear-gradient(135deg, #003366, #0066cc);
    border: none;
    border-radius: 12px;
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 102, 204, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-submit:hover::before {
    left: 100%;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 102, 204, 0.5);
}

.btn-submit:active {
    transform: translateY(0);
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(30px, -30px) rotate(5deg); }
}


.form-group label {
    display: none;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1em;
    color: var(--text-color);
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

.form-group textarea {
    resize: vertical;
}

.btn-submit {
    padding: 15px 0;
    margin-top: 10px;
    font-size: 1.1em;
}

.site-footer {
    background-color: #222;
    color: #aaa;
    padding: 60px 0 40px;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #444;
}

.footer-logo {
    font-size: 1.8em;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.footer-info {
    text-align: right;
}

.footer-info p {
    font-size: 0.9em;
    line-height: 1.7;
    margin-bottom: 5px;
    color: #bbb;
}

.footer-copyright {
    text-align: center;
    font-size: 0.85em;
    color: #888;
}

@media (max-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .model-stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-bottom: 50px;
    }

    .model-detail-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-bottom: 50px;
    }

    .model-cta {
        padding: 50px 20px;
    }

    .model-cta-title {
        font-size: 1.8em;
    }

    .btn-cta {
        width: 100%;
        padding: 15px 0;
    }

    .mission-vision-wrapper {
        height: auto;
        padding: 40px 0;
    }

    .mission-vision-sticky-container {
        position: static;
        height: auto;
        min-height: auto;
        padding: 20px;
    }

    .mission-vision-header h2 {
        font-size: 1.8em;
    }
    .mission-vision-header p {
        font-size: 1em;
    }

    .mission-panel {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 10px;
        position: static;
        opacity: 1;
        transform: none;
        visibility: visible;
        display: none;
    }

    .mission-panel.active {
        display: grid;
    }

    .panel-visual {
        order: -1;
        height: 200px;
    }

    .visual-placeholder {
        height: 100%;
    }

    .panel-text h3 {
        font-size: 1.5em;
    }
    .panel-text p, .panel-text li {
        font-size: 1em;
    }

    .footer-content {
        flex-direction: column;
        gap: 25px;
        align-items: center;
    }

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


@media (max-width: 1100px) {
    .tech-grid {
        grid-template-columns: 1fr 1fr;
        padding: 0 20px;
    }
}

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


@media (max-width: 600px) {
    .tech-grid {
        grid-template-columns: 1fr;
    }

    .tech-header {
        padding: 20px 0 40px;
    }

    .tech-title {
        font-size: 1.8em;
    }
}

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

    .summary-grid {
        flex-wrap: wrap;
    }

    .summary-item {
        flex: 0 0 45%;
        margin-bottom: 20px;
    }

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

    .benefits-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .product-header {
        padding: 30px 0 50px;
    }

    .product-title {
        font-size: 1.8em;
    }

    .product-box {
        padding: 25px;
    }

    .summary-grid {
        flex-direction: column;
        gap: 30px;
    }

    .summary-item {
        flex: none;
        width: 100%;
    }

    .product-sub-nav {
        flex-direction: column;
        top: 105px;
    }
}

@media (max-width: 768px) {
    .review-grid {
        grid-template-columns: 1fr;
    }

    .review-section {
        padding: 60px 0;
    }
}


@media (max-width: 600px) {
    .review-title {
        font-size: 1.8em;
    }

    .review-cta {
        padding: 40px 20px;
    }

    .cta-title {
        font-size: 1.5em;
    }
}

@media (max-width: 992px) {
    .main-header {
        height: auto;
        padding: 100px 20px 80px;
    }

    .main-title {
        font-size: 2.5em;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 40px 0 60px;
    }

    .page-title {
        font-size: 2em;
    }

    .problem-grid {
        grid-template-columns: 1fr;
        padding-bottom: 50px;
    }

    .problem-box {
        min-height: auto;
    }

    .highlight-section {
        padding: 60px 20px;
    }

    .highlight-title {
        font-size: 1.5em;
    }
}


@media (max-width: 600px) {
    .main-header {
        height: auto;
        padding: 60px 20px 50px;
    }

    .main-title {
        font-size: 1.8em;
    }

    .main-subtitle {
        font-size: 1em;
        margin-top: 20px;
        padding: 0 10px;
    }

    .button-group {
        flex-direction: column;
        gap: 10px;
        padding: 0 20px;
    }

    .btn-secondary {
        color: var(--primary-color);
        border-color: #ccc;
        background-color: white;
    }

    .btn {
        width: 100%;
        padding: 15px 0;
    }

    .stats-grid {
        flex-direction: column;
        gap: 20px;
        padding: 0 20px;
    }

    .stats-section {
        padding: 60px 0;
    }

    .stat-box {
        padding: 30px 15px;
    }

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

    .nav-container {
        flex-direction: column;
        gap: 10px;
    }

    .nav-links {
        gap: 15px;
        justify-content: center;
    }
}