/* ===== 현대적이고 세련된 디자인 - Inspired by Modern Web Standards ===== */
:root {
    --primary-color: #0066FF;
    --primary-dark: #0052CC;
    --secondary-color: #FF6B35;
    --dark-color: #0A0E27;
    --dark-gray: #1A1F3A;
    --medium-gray: #8B92B0;
    --light-gray: #F5F7FA;
    --light-color: #FFFFFF;
    --success-color: #00D9A3;
    --shadow-sm: 0 2px 8px rgba(10, 14, 39, 0.04);
    --shadow-md: 0 4px 16px rgba(10, 14, 39, 0.08);
    --shadow-lg: 0 12px 32px rgba(10, 14, 39, 0.12);
    --shadow-xl: 0 24px 48px rgba(10, 14, 39, 0.16);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: var(--dark-color);
    background-color: var(--light-color);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: rgba(0, 102, 255, 0.1);
    touch-action: manipulation;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ===== 반응형 이미지 & 미디어 ===== */
img,
video {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

a {
    -webkit-tap-highlight-color: rgba(0, 102, 255, 0.1);
}

/* ===== 헤더 - 미니멀 & 모던 ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(10, 14, 39, 0.06);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    border-bottom-color: rgba(10, 14, 39, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark-color);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo-icon {
    font-size: 1.75rem;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-link {
    color: var(--medium-gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition-fast);
    position: relative;
    letter-spacing: -0.01em;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--dark-color);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

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

/* ===== 히어로 섹션 - 대담하고 현대적 ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 140px 0 100px;
    overflow: hidden;
    background: linear-gradient(135deg, #F5F7FA 0%, #FFFFFF 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    opacity: 0.6;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {

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

    50% {
        transform: translate(-50px, 50px) scale(1.1);
    }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.75rem;
    color: var(--dark-color);
    letter-spacing: -0.03em;
}

.highlight {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0052CC 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--medium-gray);
    margin-bottom: 3rem;
    line-height: 1.8;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    margin-bottom: 5rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1.125rem 2.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.25);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 102, 255, 0.35);
}

.btn-secondary {
    background: white;
    color: var(--dark-color);
    border: 2px solid rgba(10, 14, 39, 0.1);
}

.btn-secondary:hover {
    background: var(--light-gray);
    border-color: rgba(10, 14, 39, 0.15);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 3rem;
    max-width: 700px;
    margin: 0 auto;
}

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

.stat-number {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.stat-label {
    color: var(--medium-gray);
    font-weight: 500;
    font-size: 0.9375rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    width: 22px;
    height: 34px;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    position: relative;
    opacity: 0.6;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 4px;
    animation: scroll 2s infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

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

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(14px);
    }
}

/* ===== 애니메이션 ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in:nth-child(2) {
    animation-delay: 0.15s;
}

.fade-in:nth-child(3) {
    animation-delay: 0.3s;
}

.fade-in:nth-child(4) {
    animation-delay: 0.45s;
}

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

/* ===== 섹션 공통 스타일 ===== */
section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1.25rem;
    color: var(--dark-color);
    letter-spacing: -0.03em;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--medium-gray);
    font-weight: 400;
    line-height: 1.8;
}

/* ===== 서비스 섹션 ===== */
.services {
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 24px;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
    border: 1px solid rgba(10, 14, 39, 0.06);
}

.service-card.visible {
    animation: fadeInUp 0.6s ease forwards;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(0, 102, 255, 0.1);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-color);
    letter-spacing: -0.02em;
}

.service-description {
    color: var(--medium-gray);
    margin-bottom: 1.75rem;
    line-height: 1.8;
    font-size: 0.9375rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.75rem 0;
    color: var(--dark-gray);
    position: relative;
    padding-left: 1.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.125rem;
}

/* ===== 장비 섹션 ===== */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.5rem;
}

.equipment-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
    border: 1px solid rgba(10, 14, 39, 0.06);
}

.equipment-card.visible {
    animation: fadeInUp 0.6s ease forwards;
}

.equipment-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.equipment-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.equipment-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: var(--transition);
}

.equipment-card:hover .equipment-img-placeholder {
    transform: scale(1.05);
}

.equipment-emoji {
    font-size: 7rem;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.2));
}

.equipment-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--secondary-color);
    color: white;
    padding: 0.625rem 1.25rem;
    border-radius: 50px;
    font-size: 0.8125rem;
    font-weight: 700;
    box-shadow: 0 8px 16px rgba(255, 107, 53, 0.3);
    letter-spacing: 0.02em;
}

.equipment-info {
    padding: 2.5rem;
}

.equipment-title {
    font-size: 1.625rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--dark-color);
    letter-spacing: -0.02em;
}

.equipment-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.spec-item {
    background: var(--light-gray);
    padding: 0.625rem 1.125rem;
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--dark-gray);
    font-weight: 600;
}

.equipment-description {
    color: var(--medium-gray);
    line-height: 1.8;
    font-size: 0.9375rem;
}

/* ===== 회사소개 섹션 ===== */
.about {
    background: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    margin-top: 3rem;
}

.about-feature {
    display: flex;
    gap: 1.75rem;
    opacity: 0;
    transform: translateX(-30px);
    padding: 2rem;
    background: white;
    border-radius: 16px;
    transition: var(--transition);
    border: 1px solid rgba(10, 14, 39, 0.06);
}

.about-feature:hover {
    transform: translateX(0);
    box-shadow: var(--shadow-md);
}

.about-feature.visible {
    animation: slideInLeft 0.6s ease forwards;
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.feature-icon {
    font-size: 2.75rem;
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--dark-color);
    letter-spacing: -0.02em;
}

.feature-content p {
    color: var(--medium-gray);
    line-height: 1.8;
    font-size: 0.9375rem;
}

.about-image {
    position: relative;
}

.about-img-placeholder {
    background: linear-gradient(135deg, var(--primary-color) 0%, #7B68EE 100%);
    height: 600px;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.floating-badge {
    position: absolute;
    background: white;
    padding: 1.25rem 1.75rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    font-weight: 700;
    color: var(--dark-color);
    font-size: 1rem;
}

.badge-1 {
    top: 12%;
    left: -20px;
    animation: float 3s ease-in-out infinite;
}

.badge-2 {
    top: 50%;
    right: -20px;
    animation: float 3s ease-in-out infinite 1s;
}

.badge-3 {
    bottom: 15%;
    left: 25%;
    animation: float 3s ease-in-out infinite 2s;
}

/* ===== 연락처 섹션 ===== */
.contact {
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 5rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.75rem;
    padding: 2.5rem;
    background: var(--light-gray);
    border-radius: 20px;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
    border: 1px solid rgba(10, 14, 39, 0.06);
}

.contact-item.visible {
    animation: fadeInUp 0.6s ease forwards;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: white;
}

.contact-icon {
    font-size: 2.75rem;
}

.contact-details h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--dark-color);
    letter-spacing: -0.01em;
}

.contact-details p {
    color: var(--dark-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.contact-time {
    color: var(--medium-gray);
    font-size: 0.875rem;
    font-weight: 500;
}

.contact-form-wrapper {
    background: white;
    padding: 3.5rem;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(10, 14, 39, 0.06);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-group label {
    font-weight: 600;
    color: var(--dark-color);
    font-size: 0.9375rem;
    letter-spacing: -0.01em;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1.125rem 1.25rem;
    border: 2px solid rgba(10, 14, 39, 0.08);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
    background: var(--light-gray);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
    background: white;
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

/* ===== 푸터 ===== */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 5rem 0 2.5rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.footer-description {
    color: var(--medium-gray);
    margin-bottom: 2rem;
    line-height: 1.8;
    font-size: 0.9375rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.25rem;
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-4px);
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.75rem;
    letter-spacing: -0.01em;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links a {
    color: var(--medium-gray);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 0.9375rem;
}

.footer-links a:hover {
    color: white;
    padding-left: 8px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--medium-gray);
    font-size: 0.9375rem;
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.footer-legal a {
    color: var(--medium-gray);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    color: white;
}

/* ===== 반응형 디자인 ===== */
@media (max-width: 968px) {
    .container {
        padding: 0 24px;
    }

    .nav {
        position: fixed;
        top: 77px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 77px);
        background: white;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
        padding: 2rem;
        overflow-y: auto;
    }

    .nav.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
    }

    .nav-link {
        display: block;
        padding: 1.25rem 0;
        font-size: 1.125rem;
        border-bottom: 1px solid var(--light-gray);
    }

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

    .hero {
        padding: 120px 0 80px;
    }

    .hero-title {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
        margin-bottom: 2.5rem;
    }

    .hero-stats {
        gap: 2rem;
        grid-template-columns: repeat(3, 1fr);
    }

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

    .service-card {
        padding: 2.5rem 2rem;
    }

    .equipment-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-img-placeholder {
        height: 500px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }

    section {
        padding: 80px 0;
    }

    .section-header {
        margin-bottom: 3.5rem;
    }

    .about-feature {
        padding: 1.5rem;
        gap: 1.5rem;
    }

    .feature-icon {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    html {
        font-size: 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.875rem;
    }

    .section-title {
        font-size: 1.875rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 1rem 2rem;
        font-size: 0.9375rem;
    }

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

    .service-card {
        padding: 2rem 1.75rem;
    }

    .service-icon {
        font-size: 3rem;
    }

    .service-title {
        font-size: 1.375rem;
    }

    .equipment-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .equipment-image {
        height: 240px;
    }

    .equipment-emoji {
        font-size: 6rem;
    }

    .equipment-info {
        padding: 2rem;
    }

    .equipment-title {
        font-size: 1.5rem;
    }

    .about-feature {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1.5rem;
        gap: 1rem;
    }

    .feature-icon {
        font-size: 3rem;
    }

    .feature-content h3 {
        font-size: 1.25rem;
    }

    .about-img-placeholder {
        height: 350px;
    }

    .floating-badge {
        font-size: 0.875rem;
        padding: 1rem 1.25rem;
    }

    .contact-item {
        padding: 2rem;
        gap: 1.5rem;
    }

    .contact-icon {
        font-size: 2.5rem;
    }

    .contact-form-wrapper {
        padding: 2rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 1rem;
        font-size: 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    section {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 3rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    html {
        font-size: 14px;
    }

    .header-content {
        padding: 1rem 0;
    }

    .logo {
        font-size: 1.125rem;
    }

    .logo-icon {
        font-size: 1.5rem;
    }

    .hero {
        padding: 100px 0 50px;
        min-height: auto;
    }

    .hero-title {
        font-size: 1.75rem;
        margin-bottom: 1.25rem;
    }

    .hero-subtitle {
        font-size: 0.9375rem;
        margin-bottom: 2rem;
    }

    .hero-buttons {
        margin-bottom: 3rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 300px;
    }

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

    .section-title {
        font-size: 1.625rem;
    }

    .section-subtitle {
        font-size: 0.9375rem;
    }

    .services-grid,
    .equipment-grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: 2rem 1.5rem;
    }

    .service-title {
        font-size: 1.25rem;
    }

    .service-description {
        font-size: 0.9375rem;
    }

    .equipment-image {
        height: 220px;
    }

    .equipment-emoji {
        font-size: 5rem;
    }

    .equipment-badge {
        top: 1rem;
        right: 1rem;
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }

    .equipment-info {
        padding: 1.75rem;
    }

    .equipment-title {
        font-size: 1.375rem;
    }

    .equipment-specs {
        gap: 0.5rem;
    }

    .spec-item {
        padding: 0.5rem 0.875rem;
        font-size: 0.8125rem;
    }

    .about-feature {
        padding: 1.75rem 1.25rem;
    }

    .feature-content h3 {
        font-size: 1.125rem;
    }

    .feature-content p {
        font-size: 0.9375rem;
    }

    .about-img-placeholder {
        height: 280px;
    }

    .floating-badge {
        font-size: 0.8125rem;
        padding: 0.875rem 1rem;
    }

    .badge-1 {
        left: -10px;
    }

    .badge-2 {
        right: -10px;
    }

    .badge-3 {
        left: 10%;
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
        padding: 1.75rem;
    }

    .contact-details h3 {
        font-size: 1.125rem;
    }

    .contact-details p {
        font-size: 1rem;
    }

    .contact-form-wrapper {
        padding: 1.75rem;
    }

    .form-group {
        gap: 0.625rem;
    }

    .form-group label {
        font-size: 0.875rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.875rem;
        font-size: 0.9375rem;
    }

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

    .footer-logo {
        font-size: 1.25rem;
    }

    .footer-description {
        font-size: 0.875rem;
    }

    .social-link {
        width: 40px;
        height: 40px;
        font-size: 1.125rem;
    }

    .footer-title {
        font-size: 1rem;
    }

    .footer-links a {
        font-size: 0.875rem;
    }

    .footer-bottom {
        font-size: 0.875rem;
    }

    section {
        padding: 50px 0;
    }

    .scroll-indicator {
        bottom: 2rem;
    }
}

@media (max-width: 360px) {
    .container {
        padding: 0 12px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.875rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .service-card,
    .equipment-info,
    .contact-item {
        padding: 1.5rem 1rem;
    }
}

/* ===== 터치 디바이스 최적화 ===== */
@media (hover: none) and (pointer: coarse) {

    .btn,
    .nav-link,
    .social-link,
    .footer-links a {
        min-height: 44px;
        min-width: 44px;
    }

    .mobile-menu-btn {
        min-height: 44px;
        min-width: 44px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px;
        /* iOS zoom 방지 */
    }
}

/* ===== 가로모드 모바일 최적화 ===== */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }

    section {
        padding: 60px 0;
    }

    .scroll-indicator {
        display: none;
    }
}