:root {
    --drt-accent: #234177; /* Signature Deep Blue */
    --drt-bright: #3b82f6; /* Vivid Blue */
    --drt-text-main: #1a1c21;
    --drt-text-dim: #4b5563;
    --drt-bg: #ffffff;
    --drt-card-bg: #f8fafc;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', 'Noto Sans KR', sans-serif;
    background-color: var(--drt-bg);
    color: var(--drt-text-main);
}

#business-areas-section {
    padding: 120px 0;
    position: relative;
    overflow: hidden;
    background-image: radial-gradient(rgba(35, 65, 119, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
}

.section-container {
    max-width: 1400px;
    width: 90%;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

/* Section Header */
.header-area {
    text-align: center;
    margin-bottom: 80px;
}

.header-label {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--drt-bright);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 25px;
    display: block;
}

.header-title {
    font-size: 5.5rem;
    font-weight: 950;
    color: var(--drt-accent);
    margin: 0;
    line-height: 1.05;
    letter-spacing: -0.03em;
}

.header-title span {
    color: var(--drt-bright);
}

.header-desc {
    font-size: 2rem;
    color: var(--drt-text-dim);
    margin-top: 40px;
    font-weight: 500;
    word-break: keep-all;
    line-height: 1.6;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

/* Business Grid */
.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.business-card {
    position: relative;
    height: 600px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.business-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 40px 80px rgba(35, 65, 119, 0.2);
}

/* Background Image Area */
.card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 1.2s ease;
    z-index: 1;
}

.business-card:hover .card-bg {
    transform: scale(1.1);
}

/* Dark Overlay */
.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.8) 100%);
    z-index: 2;
    transition: opacity 0.6s ease;
}

.business-card:hover .card-overlay {
    background: linear-gradient(to bottom, rgba(35, 65, 119, 0.4) 0%, rgba(10, 20, 40, 0.9) 100%);
}

/* Card Content */
.card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 50px;
    box-sizing: border-box;
    color: #fff;
    z-index: 3;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.card-index {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--drt-bright);
    margin-bottom: 15px;
    display: block;
    opacity: 0.8;
}

.card-title {
    font-size: 3.5rem;
    font-weight: 950;
    margin: 0 0 25px 0;
    line-height: 1.1;
    text-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.card-detail {
    font-size: 1.6rem;
    line-height: 1.6;
    color: #ffffff;
    font-weight: 500;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.6s ease;
    margin-top: 0;
}

.business-card:hover .card-detail {
    max-height: 200px;
    opacity: 1;
    margin-top: 20px;
}

.business-card:hover .card-content {
    transform: translateY(-20px);
}

/* Tech Brackets (Same as consultation section for consistency) */
.business-card::before,
.business-card::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 30px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    z-index: 4;
    transition: all 0.4s ease;
    pointer-events: none;
}

.business-card::before { top: 30px; left: 30px; border-right: none; border-bottom: none; }
.business-card::after { bottom: 30px; right: 30px; border-left: none; border-top: none; }

.business-card:hover::before,
.business-card:hover::after {
    border-color: var(--drt-bright);
    width: 45px;
    height: 45px;
}

/* Responsive */
@media (max-width: 1024px) {
    .business-grid { grid-template-columns: 1fr; }
    .business-card { height: 500px; }
    .header-title { font-size: 2.8rem; }
}

@media (max-width: 480px) {
    #business-areas-section { padding: 80px 0; }
    .header-title { font-size: 2.22rem; }
    .card-title { font-size: 1.8rem; }
    .card-content { padding: 30px; }
}

/* --- NEW: Technical Excellence Section --- */
#tech-excellence-section {
    padding: 150px 0;
    background-color: #0c121e;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.tech-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 100px;
    align-items: center;
}

.tech-visual {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 50px 100px rgba(0,0,0,0.5);
}

.tech-visual img {
    width: 100%;
    display: block;
    transition: transform 0.8s ease;
}

.tech-visual:hover img { transform: scale(1.1); } /* 1.05 -> 1.1로 더 극적인 효과 */

/* 추가: 독자 설계 시스템 이미지 호버 효과 */
.visual-item {
    overflow: hidden;
    border-radius: 12px;
}
.visual-item img {
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}
.visual-item:hover img {
    transform: scale(1.1);
}

.tech-text-area {
    position: relative;
    z-index: 5;
}

.tech-tag {
    font-size: 1.4rem;
    font-weight: 950;
    color: var(--drt-bright);
    letter-spacing: 0.3em;
    margin-bottom: 30px;
    display: block;
}

.tech-title {
    font-size: 4.2rem;
    font-weight: 950;
    line-height: 1.1;
    margin-bottom: 50px;
    letter-spacing: -0.02em;
}

.tech-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tech-item {
    margin-bottom: 40px;
    padding-left: 30px;
    border-left: 3px solid rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
}

.tech-item:hover {
    border-left-color: var(--drt-bright);
    background: rgba(59, 130, 246, 0.05);
    padding-left: 40px;
}

.tech-item h4 {
    font-size: 2.1rem;
    font-weight: 950;
    color: #fff;
    margin: 0 0 15px 0;
}

.tech-item p {
    font-size: 1.65rem; /* 1.5rem -> 1.65rem 상향 */
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin: 0;
}

/* --- NEW: Imagine to Reality Section --- */
#custom-process-section {
    padding: 150px 0;
    background: #fff;
    text-align: center;
}

.process-title-area {
    margin-bottom: 100px;
}

.process-title-area h2 {
    font-size: 4rem;
    font-weight: 950;
    color: var(--drt-accent);
}

.process-title-area p {
    font-size: 1.6rem;
    color: var(--drt-text-dim);
    margin-top: 25px;
}

.process-visual-full {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 30px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 40px 100px rgba(35, 65, 119, 0.15);
}

.process-visual-full img {
    width: 100%;
    display: block;
}

.process-overlay-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    color: #fff;
    text-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.process-overlay-text h3 {
    font-size: 4.5rem;
    font-weight: 950;
    margin: 0;
    letter-spacing: -0.02em;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-top: 80px;
    text-align: left;
}

.step-card {
    padding: 40px;
    background: var(--drt-card-bg);
    border-radius: 16px;
    border: 1px solid rgba(35, 65, 119, 0.05);
    transition: all 0.4s ease;
}

.step-card:hover {
    background: #fff;
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.05);
    border-color: var(--drt-bright);
}

.step-num {
    font-size: 1.4rem;
    font-weight: 950;
    color: var(--drt-bright);
    margin-bottom: 25px;
    display: block;
    letter-spacing: 0.1em;
}

.step-name {
    font-size: 2.1rem;
    font-weight: 950;
    margin-bottom: 20px;
    color: var(--drt-accent);
    line-height: 1.1;
    min-height: 2.2em; /* 2줄 높이 고정으로 수직 정렬 맞춤 */
    display: flex;
    align-items: flex-end; /* 제목이 1줄일 때도 아래쪽에 붙여서 본문과 간격 유지 */
}

.step-desc {
    font-size: 1.5rem; /* 본문 크기 추가 상향 */
    color: var(--drt-text-dim);
    line-height: 1.6;
    word-break: keep-all;
}

@media (max-width: 1024px) {
    .tech-grid { grid-template-columns: 1fr; gap: 50px; }
    .process-steps { grid-template-columns: 1fr 1fr; }
    .process-overlay-text h3 { font-size: 2.5rem; }
}

@media (max-width: 480px) {
    .process-steps { grid-template-columns: 1fr; }
    .tech-title { font-size: 2.2rem; }
    .process-title-area h2 { font-size: 2.5rem; }
}

/* --- Multi-Image Layout Styles --- */
.tech-visual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.visual-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tech-visual-grid img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    background: #1e293b;
}

.record-image-cluster {
    position: relative;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding-bottom: 50px;
}

.record-img-main {
    width: 75%;
    z-index: 2;
    border-radius: 8px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.15);
    border: 4px solid #fff;
}

.record-img-sub {
    width: 50%;
    position: absolute;
    bottom: 0;
    right: 0;
    z-index: 3;
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border: 4px solid #fff;
    transform: rotate(3deg);
}

/* --- New Tech Scalability Section --- */
.vision-architecture-container {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    padding: 80px 60px;
    background: #f8fafc;
    border-radius: 30px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 40px 100px rgba(0,0,0,0.05);
}

.architecture-title {
    font-size: 4rem;
    font-weight: 950;
    margin-bottom: 30px;
    color: var(--drt-accent);
}

.architecture-desc {
    font-size: 1.7rem;
    color: var(--drt-text-dim);
    max-width: 900px;
    margin: 0 auto 70px;
    line-height: 1.6;
}

.architecture-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 50px;
}

.core-module {
    background: var(--drt-accent);
    color: #fff;
    padding: 50px 40px;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(35, 65, 119, 0.2);
    text-align: center;
}

.core-module h3 { font-size: 2.8rem; margin-bottom: 15px; font-weight: 900; }
.core-module p { opacity: 0.9; font-size: 1.5rem; } /* 1.3rem -> 1.5rem 상향 */

.expansion-arrow {
    font-size: 3rem;
    color: var(--drt-bright);
    animation: pulseHorizontal 2s infinite;
}

@keyframes pulseHorizontal {
    0%, 100% { transform: translateX(0); opacity: 1; }
    50% { transform: translateX(15px); opacity: 0.5; }
}

.expansion-targets {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.target-item {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 20px;
    text-align: left;
    transition: all 0.3s ease;
}

.target-item:hover {
    border-color: var(--drt-bright);
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.target-icon { font-size: 3.5rem; }
.target-text h5 { margin: 0 0 5px 0; font-size: 1.9rem; color: var(--drt-accent); font-weight: 900; } /* 1.7rem -> 1.9rem 상향 */
.target-text p { margin: 0; font-size: 1.45rem; color: var(--drt-text-dim); } /* 1.3rem -> 1.45rem 상향 */

@media (max-width: 1024px) {
    .architecture-grid { grid-template-columns: 1fr; gap: 30px; }
    .expansion-arrow { transform: rotate(90deg); animation: pulseVertical 2s infinite; }
    .record-image-cluster { margin-bottom: 60px; }
}

/* --- NEW: Proven Track Record Section --- */
#proven-track-record {
    padding: 180px 0;
    background-color: #f7f9fc;
    position: relative;
}

.record-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

.record-image-frame {
    position: relative;
    padding: 20px;
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 40px 100px rgba(35, 65, 119, 0.1);
    transform: rotate(-2deg);
    border: 1px dashed #cbd5e1; /* 실제 사진 교체 안내를 위한 대시보드 */
}

.record-image-frame::before {
    content: '실제 기체 비행 사진으로 교체 권장';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(35, 65, 119, 0.8);
    color: #fff;
    padding: 8px 16px;
    font-size: 0.9rem;
    border-radius: 4px;
    z-index: 11;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.record-image-frame:hover::before {
    opacity: 1;
}

.record-image-frame img {
    width: 100%;
    display: block;
    border-radius: 2px;
}

.record-badge {
    position: absolute;
    top: -30px;
    right: -30px;
    background: var(--drt-accent);
    color: #fff;
    padding: 25px;
    border-radius: 50%;
    font-weight: 900;
    font-size: 1.1rem;
    text-align: center;
    line-height: 1.2;
    box-shadow: 0 20px 40px rgba(35, 65, 119, 0.3);
    z-index: 10;
}

.record-title {
    font-size: 4.5rem;
    font-weight: 950;
    color: var(--drt-accent);
    margin-bottom: 50px;
    letter-spacing: -0.02em;
}

.record-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 50px;
}

.stat-box {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    border-bottom: 4px solid var(--drt-bright);
}

.stat-box h5 {
    font-size: 1.45rem; /* 1.3rem -> 1.4rem 상향 */
    color: var(--drt-text-dim);
    margin: 0 0 15px 0;
    font-weight: 800;
    letter-spacing: 0.05em;
}

.stat-box p {
    font-size: 2.5rem; /* 2.22rem -> 2.5rem 대폭 상향 */
    font-weight: 950;
    color: var(--drt-accent);
    margin: 0;
    word-break: keep-all;
    line-height: 1.2;
}

/* --- NEW: Total Unmanned Vision Section --- */
#total-vision-section {
    padding: 180px 0;
    background: linear-gradient(135deg, #0a0f1d 0%, #1e293b 100%);
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.vision-header {
    max-width: 900px;
    margin: 0 auto 100px;
}

.vision-tag {
    color: var(--drt-bright);
    font-weight: 800;
    letter-spacing: 0.3em;
    margin-bottom: 25px;
    display: block;
}

.vision-header h2 {
    font-size: 4.2rem;
    font-weight: 950;
    margin-bottom: 30px;
}

.vision-header p {
    font-size: 1.85rem; /* 1.6rem -> 1.85rem 상향 */
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
    word-break: keep-all;
}

.vision-visual-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    border: 1px dashed rgba(255, 255, 255, 0.2);
    border-radius: 20px;
}

.vision-main-img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 100px 150px rgba(0,0,0,0.6);
}

.vision-platform-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 80px;
}

.platform-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 50px 40px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
    text-align: left;
}

.platform-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--drt-bright);
    transform: translateY(-10px);
}

.platform-icon {
    font-size: 2.5rem;
    margin-bottom: 25px;
    display: block;
}

.platform-card h4 {
    font-size: 1.9rem;
    font-weight: 950;
    margin-bottom: 15px;
    color: var(--drt-bright);
}

.platform-card p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 1024px) {
    .record-grid { grid-template-columns: 1fr; gap: 60px; }
    .vision-header h2 { font-size: 2.8rem; }
    .vision-platform-grid { grid-template-columns: 1fr; }
}
    

    :root {
--consult-bg: #f8fafc;     /* White Gray (Cool Slate 50) for eye comfort */
--consult-accent: #234177; /* Brand Deep Blue */
--consult-bright: #3b82f6; /* Vivid Blue */
--consult-text: #1e293b;   /* Slate 800 */
--consult-sub: #64748b;    /* Slate 500 */
--consult-border: #cbd5e1; /* Slightly darker border for contrast */
    }

    #drt-consultation-section {
background: #f8fafc; /* White Gray (Solid) */
padding: 50px 20px; /* Reduced vertical size */
font-family: 'Inter', 'Noto Sans KR', sans-serif;
color: var(--consult-text);
position: relative;
overflow: hidden;
display: flex;
justify-content: center;
align-items: center;
border: none; /* Removed border for seamless blend */
    }

    /* PREMIUM GRID PATTERN (Subtle Tech Feel) */
    #drt-consultation-section::after {
content: '';
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-image:
    linear-gradient(rgba(35, 65, 119, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 65, 119, 0.03) 1px, transparent 1px);
background-size: 40px 40px;
opacity: 0.6;
pointer-events: none;
z-index: 1;
    }

    .consult-container {
max-width: 1200px;
width: 100%;
display: flex;
justify-content: space-between;
align-items: center;
position: relative;
z-index: 5;
background: rgba(255, 255, 255, 0.9);
padding: 60px 70px;
border-radius: 4px; /* Slightly sharper for tech feel */
border: 1px solid rgba(255, 255, 255, 0.4);
backdrop-filter: blur(20px);
/* Premium Diffuse Shadow */
box-shadow:
    0 20px 40px -10px rgba(35, 65, 119, 0.1),
    0 0 20px rgba(255, 255, 255, 0.8) inset;
transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    /* TECH CORNER BRACKETS (New Design Element) */
    .consult-container::before,
    .consult-container::after {
content: '';
position: absolute;
width: 20px;
height: 20px;
border: 2px solid var(--consult-accent);
transition: all 0.3s ease;
opacity: 0.6;
    }

    /* Top-Left Bracket */
    .consult-container::before {
top: -1px;
left: -1px;
border-right: none;
border-bottom: none;
    }

    /* Bottom-Right Bracket */
    .consult-container::after {
bottom: -1px;
right: -1px;
border-left: none;
border-top: none;
    }

    /* Hover Effect: Brackets Expand */
    .consult-container:hover::before {
width: 30px;
height: 30px;
opacity: 1;
    }
    .consult-container:hover::after {
width: 30px;
height: 30px;
opacity: 1;
    }

    /* Hover Lift Effect for Container */
    .consult-container:hover {
transform: translateY(-2px);
box-shadow:
    0 30px 60px -12px rgba(35, 65, 119, 0.15),
    0 0 20px rgba(255, 255, 255, 0.8) inset;
    }

    /* Content Styling */
    .consult-text {
max-width: 600px;
    }

    .consult-label {
color: var(--consult-bright);
font-size: 0.85rem;
font-weight: 800;
letter-spacing: 0.15em;
text-transform: uppercase;
margin-bottom: 15px;
display: flex;
align-items: center;
gap: 10px;
    }

    /* Pulsing Dot Indicator */
    .consult-label::before {
content: '';
width: 6px;
height: 6px;
background-color: var(--consult-bright);
border-radius: 50%;
box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
animation: consult-pulse 2s infinite ease-in-out;
    }

    @keyframes consult-pulse {
0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(59, 130, 246, 0); }
100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
    }

    .consult-title {
font-size: 2.4rem;
font-weight: 800;
line-height: 1.25;
margin-bottom: 15px;
color: var(--consult-text);
letter-spacing: -0.02em;
word-break: keep-all; /* Prevent awkward word breaking (Korean) */
    }

    .consult-desc {
font-size: 1.15rem;
color: var(--consult-sub);
line-height: 1.6;
font-weight: 500;
word-break: keep-all; /* Prevent awkward word breaking (Korean) */
    }

    /* Button Area */
    .consult-action {
flex-shrink: 0;
    }

    .consult-btn {
position: relative;
display: inline-flex;
align-items: center;
justify-content: center;
padding: 22px 55px;
font-size: 1.1rem;
font-weight: 700;
color: #ffffff !important; /* Force White Text */
text-decoration: none;
/* Gradient Background */
background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
border-radius: 12px;
transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
overflow: hidden;
box-shadow: 0 10px 20px -5px rgba(30, 41, 59, 0.3);
z-index: 10;
white-space: nowrap; /* Keep button text on one line */
    }

    /* Shimmer Effect on Button */
    .consult-btn::before {
content: '';
position: absolute;
top: 0;
left: -100%;
width: 200%;
height: 100%;
background: linear-gradient(
    115deg,
    transparent 0%,
    transparent 40%,
    rgba(255, 255, 255, 0.1) 45%,
    rgba(255, 255, 255, 0.2) 50%,
    rgba(255, 255, 255, 0.1) 55%,
    transparent 60%,
    transparent 100%
);
transition: transform 0.6s ease;
transform: translateX(0);
z-index: 1;
    }

    .consult-btn:hover {
transform: translateY(-3px);
box-shadow: 0 20px 30px -10px rgba(30, 41, 59, 0.5);
background: linear-gradient(135deg, #334155 0%, #1e293b 100%);
    }

    .consult-btn:hover::before {
transform: translateX(50%);
    }

    .consult-btn span {
position: relative;
z-index: 2;
    }

    .consult-btn svg {
margin-left: 10px;
width: 20px;
height: 20px;
fill: #ffffff;
transition: transform 0.3s ease;
position: relative;
z-index: 2;
    }

    .consult-btn:hover svg {
transform: translateX(5px);
    }

    /* RESPONSIVE DESIGN */
    @media (max-width: 1024px) {
.consult-container {
    flex-direction: column;
    text-align: center;
    padding: 50px 30px;
    gap: 40px;
}

.consult-label {
    justify-content: center;
}

.consult-text {
    max-width: 100%;
}

.consult-title {
    font-size: 2rem;
}

.consult-action {
    width: 100%;
    display: flex;
    justify-content: center;
}

.consult-btn {
    width: 100%;
    max-width: 400px;
    padding: 20px 30px;
}
    }

    @media (max-width: 480px) {
#drt-consultation-section {
    padding: 60px 20px;
}

.consult-container {
    padding: 40px 20px;
}

.consult-title {
    font-size: 1.55rem; /* Adjusted for safe wrapping on small screens */
}

.consult-desc {
    font-size: 1rem;
}
    }


			
/* [RESET] */
html, body {
    margin: 0 !important;
    padding: 0 !important;
    background-color: #0d0d0f;
}

:root {
    --footer-bg: #0d0d0f;
    --accent-blue: #234177; /* Official Brand Color: Deep Blue */
    --accent-bright: #4a7edb; /* Shimmer/Glow Variant */
    --accent-glow: rgba(35, 65, 119, 0.4);
    --text-main: #ffffff;
    --text-dim: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.03);
}

#drt-premium-footer {
    background-color: var(--footer-bg);
    color: var(--text-main);
    padding: 45px 20px 35px; /* Slightly reduced vertical size */
    font-family: 'Inter', 'Noto Sans KR', sans-serif;
    position: relative;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
    border-top: 1px solid var(--border-color);
}

/* Top Accent Line - Cybernetic Glow (Restored Animation) */
#drt-premium-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-bright), transparent);
    opacity: 0.8;
    animation: line-pulse 4s infinite alternate;
    z-index: 10;
}

@keyframes line-pulse {
    0% { opacity: 0.3; width: 30%; left: 0; }
    50% { opacity: 1; width: 60%; left: 20%; }
    100% { opacity: 0.3; width: 30%; left: 70%; }
}

/* Subtle Background Patterns */
#drt-premium-footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.5;
    pointer-events: none;
}

.footer-container {
    max-width: 1400px;
    width: 95%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px; /* Tighter gap */
    position: relative;
    z-index: 20;
}

/* Top Section: Luxury Branding */
.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-branding .logo {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03rem;
    background: linear-gradient(135deg, #ffffff 40%, var(--accent-bright), #ffffff 80%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    animation: logo-shimmer 6s linear infinite;
}

@keyframes logo-shimmer {
    to { background-position: 200% center; }
}

.footer-branding .sub-tagline {
    font-size: 0.9rem;
    color: var(--accent-bright);
    text-transform: uppercase;
    letter-spacing: 0.4em;
    margin-top: 8px;
    font-weight: 700;
    opacity: 0.9;
}

.footer-links {
    display: flex;
    gap: 40px;
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    padding: 10px 20px;
    border-radius: 4px;
    background: transparent;
    border: 1px solid transparent;
}

.footer-links a:hover {
    color: #fff;
    background: var(--glass-bg);
    border-color: var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    transform: translateY(-3px);
}

/* Middle Section: Sophisticated Info Grid */
.footer-info {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.info-label {
    font-size: 0.9rem;
    color: var(--accent-bright);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-label::before {
    content: '';
    width: 5px;
    height: 5px;
    background-color: var(--accent-bright);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-bright);
    animation: dot-pulse 2s ease-in-out infinite;
}

@keyframes dot-pulse {
    0% { transform: scale(1); opacity: 1; box-shadow: 0 0 10px var(--accent-bright); }
    50% { transform: scale(1.5); opacity: 0.7; box-shadow: 0 0 20px var(--accent-bright); }
    100% { transform: scale(1); opacity: 1; box-shadow: 0 0 10px var(--accent-bright); }
}

.info-value {
    font-size: 1.1rem; /* Slightly balanced */
    color: var(--text-main);
    font-weight: 400;
    line-height: 1.7;
    opacity: 0.95;
}

/* Bottom Section: Clean Copyright */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
}

.copyright {
    font-size: 1rem;
    color: var(--text-dim);
    letter-spacing: 0.02em;
}

.bottom-links {
    display: flex;
    gap: 25px;
    font-size: 0.9rem;
    color: var(--text-main);
    font-weight: 600;
    opacity: 0.6;
    align-items: center;
}

.designer-credit {
    color: var(--accent-bright);
    font-weight: 700;
    letter-spacing: 0.05em;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .footer-info {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    #drt-premium-footer {
        padding: 40px 20px 100px;
    }
    .footer-top {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .footer-links {
        gap: 15px;
        flex-direction: column;
        width: 100%;
    }
    .footer-links a {
        padding: 12px;
        font-size: 1rem;
    }
    .footer-info {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    .info-label {
        justify-content: center;
    }
    .info-value {
        font-size: 1.05rem;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

/* 성과로 입증된 프로젝트: 현장 사진 격자 (이 페이지는 rem 기준 10px 이라 px 로 적는다) */
#proven-track-record .record-wall { margin-top: 72px; }
#proven-track-record .record-wall-title { margin: 0 0 20px; font-size: 22px; font-weight: 800; color: var(--drt-navy, #234177); letter-spacing: -0.01em; }
#proven-track-record .record-wall-title span { display: block; margin-top: 6px; font-size: 15px; font-weight: 500; color: #6b7280; }
#proven-track-record .record-wall-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
#proven-track-record .record-wall-grid figure { margin: 0; aspect-ratio: 1 / 1; overflow: hidden; border-radius: 10px; background: #e5e7eb; }
#proven-track-record .record-wall-grid img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s; }
#proven-track-record .record-wall-grid figure:hover img { transform: scale(1.06); }
@media (max-width: 900px) { #proven-track-record .record-wall-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; } #proven-track-record .record-wall { margin-top: 48px; } }