@charset "UTF-8";

/* ==========================================================================
   Hero Banner
   ========================================================================== */
.hero {
    height: 800px;
    background: #020b14;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    color: var(--color-bg-white);
    padding-top: 80px;
}

.hero-bg-shapes {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-bg-shapes::before, .hero-bg-shapes::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.6;
    animation: pulseGlow 10s infinite alternate;
}

.hero-bg-shapes::before {
    width: 600px; height: 600px;
    background: #0A2540;
    top: -200px; left: -200px;
}

.hero-bg-shapes::after {
    width: 500px; height: 500px;
    background: #4a3410;
    bottom: -150px; right: -150px;
    animation-delay: -5s;
}

@keyframes pulseGlow {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.2) translate(50px, -50px); }
}

.hero::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    background: rgba(10, 37, 64, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 80px 60px;
    border-radius: 30px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.2);
    transform: translateY(0);
    animation: slideUpFade 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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

.hero h1 {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(to right, #ffffff, #C5A059);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.hero p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    line-height: 1.6;
}

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

/* ==========================================================================
   Company Strength
   ========================================================================== */
.strength {
    padding: 80px 0;
    background: linear-gradient(120deg, #f6f8fc 0%, #e9eef5 100%);
    position: relative;
    overflow: hidden;
}
.strength::before {
    content: '';
    position: absolute;
    top: -50%; right: -10%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(197,160,89,0.05) 0%, transparent 70%);
    border-radius: 50%;
    animation: floatShape 15s infinite alternate ease-in-out;
}
@keyframes floatShape {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-50px, 50px) scale(1.1); }
}

.strength-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.strength-item {
    padding: 40px 20px;
    background-color: var(--color-bg-light);
    border-radius: 8px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.strength-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border);
}

.strength-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background-color: rgba(197, 160, 89, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.strength-icon svg {
    width: 30px;
    height: 30px;
    fill: var(--color-secondary);
}

.strength-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--color-primary);
}

.strength-item p {
    color: var(--color-text-muted);
    font-size: 14px;
}

/* ==========================================================================
   Services
   ========================================================================== */
.services {
    padding: 100px 0;
    background: linear-gradient(to bottom, #e4e9f2, #f4f7fa);
}

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

.service-card {
    background-color: var(--color-bg-white);
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--color-secondary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    z-index: -1;
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card svg {
    width: 48px;
    height: 48px;
    fill: var(--color-primary);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 15px;
}

/* ==========================================================================
   Business Scope
   ========================================================================== */
.about-us {
    padding: 100px 0;
    background: #fafafc;
    background-image: radial-gradient(#e5e7eb 1px, transparent 1px);
    background-size: 20px 20px;
}

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

.biz-card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 30px;
    transition: var(--transition);
}

.biz-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
    border-color: var(--color-secondary);
}

.biz-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.biz-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), #1a426b);
    color: var(--color-bg-white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin-right: 15px;
    flex-shrink: 0;
}

.biz-title-area h3 {
    font-size: 18px;
    margin-top: 5px;
    color: var(--color-primary);
}

.biz-tag {
    display: inline-block;
    background-color: rgba(197, 160, 89, 0.1);
    color: var(--color-secondary);
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 4px;
}

.biz-desc {
    color: var(--color-text-muted);
    font-size: 14px;
    margin-bottom: 20px;
    min-height: 45px;
}

.biz-list {
    border-top: 1px dashed var(--color-border);
    padding-top: 15px;
}

.biz-list li {
    font-size: 14px;
    color: var(--color-text-main);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.biz-list li::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background-color: var(--color-secondary);
    border-radius: 50%;
    margin-right: 10px;
}

/* ==========================================================================
   Cases
   ========================================================================== */
.cases {
    padding: 100px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8edf3 100%);
}

.case-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 20px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 30px;
    cursor: pointer;
    font-size: 15px;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
    border-color: var(--color-primary);
}

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

.case-item {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background-color: var(--color-bg-white);
    transition: var(--transition);
}

.case-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.case-img {
    width: 100%;
    aspect-ratio: 421 / 379;
    background-color: var(--color-bg-light);
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-border);
}

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

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

.case-info {
    padding: 25px;
}

.case-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.case-info p {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* ==========================================================================
   Why Choose Us
   ========================================================================== */
.why-us {
    padding: 100px 0;
    background-color: var(--color-primary);
    color: var(--color-bg-white);
}

.why-us .section-title h2 {
    color: var(--color-bg-white);
}

.why-us .section-title p {
    color: rgba(255, 255, 255, 0.8);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    text-align: center;
}

.why-item {
    padding: 30px 15px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: var(--transition);
}

.why-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.why-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 20px;
    background-color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.why-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--color-bg-white);
}

.why-item h3 {
    font-size: 16px;
    color: var(--color-bg-white);
}

/* ==========================================================================
   Process
   ========================================================================== */
.process {
    padding: 100px 0;
    background: var(--color-primary);
    position: relative;
    overflow: hidden;
}
.process::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 30px 30px;
}

.process .section-title h2,
.why-us .section-title h2 {
    background: linear-gradient(to right, #d4af37, #fff6d9, #c5a017, #fdf5a9, #a37c00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.process .section-title p {
    color: rgba(255, 255, 255, 0.7);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 45px;
    left: 40px;
    right: 40px;
    height: 2px;
    background: rgba(255,255,255,0.1);
    z-index: 1;
}

.process-steps::after {
    content: '';
    position: absolute;
    top: 45px;
    left: 40px;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-secondary), #fff);
    z-index: 2;
    animation: scanLine 6s infinite ease-in-out;
}

@keyframes scanLine {
    0% { width: 0; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { width: calc(100% - 80px); opacity: 0; }
}

.step-item {
    text-align: center;
    position: relative;
    z-index: 3;
    flex: 1;
}

.step-number {
    width: 90px;
    height: 90px;
    margin: 0 auto 25px;
    background: #0d345a;
    border: 2px solid rgba(197, 160, 89, 0.3);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    color: var(--color-bg-white);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
    transform: rotate(45deg);
}

.step-number span {
    display: flex;
    align-items: center;
    justify-content: center;
    transform: rotate(-45deg);
    width: 100%;
    height: 100%;
}

.step-item:hover .step-number {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
    box-shadow: 0 0 20px rgba(197, 160, 89, 0.5), inset 0 0 10px rgba(197, 160, 89, 0.2);
    transform: rotate(45deg) scale(1.1);
    background: #114272;
}

.step-item h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--color-bg-white);
    transition: var(--transition);
}

.step-item:hover h3 {
    color: var(--color-secondary);
}

.step-item p {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    padding: 0 10px;
    line-height: 1.6;
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq {
    padding: 100px 0;
    background: #fafafc;
    background-image: radial-gradient(#e5e7eb 1px, transparent 1px);
    background-size: 20px 20px;
}

.faq-container {
    column-count: 2;
    column-gap: 40px;
    display: block;
}

.faq-item {
    background-color: #fff;
    border-radius: 12px;
    padding: 0 25px;
    margin-bottom: 20px;
    break-inside: avoid;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    border-color: rgba(0,0,0,0.05);
    transform: translateY(-2px);
}

.faq-question {
    padding: 20px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    margin: 0;
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: linear-gradient(135deg, var(--color-primary), #0056b3);
    color: #fff;
    font-size: 14px;
    font-weight: bold;
    margin-right: 15px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.3);
}

.faq-text {
    flex-grow: 1;
    line-height: 1.5;
    padding-right: 20px;
}

.faq-icon {
    font-size: 24px;
    font-weight: 300;
    color: #cbd5e1;
    transition: transform 0.3s ease, color 0.3s ease;
}

.faq-item.active {
    border-color: rgba(0, 102, 204, 0.2);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.08);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--color-primary);
}

.faq-answer {
    padding: 0 0 25px 47px;
    color: var(--color-text-muted);
    line-height: 1.8;
    display: none;
    font-size: 15px;
}

/* ==========================================================================
   CTA
   ========================================================================== */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--color-primary), #0d345a);
    text-align: center;
    color: var(--color-bg-white);
}

.cta h2 {
    color: var(--color-bg-white);
    font-size: 36px;
    margin-bottom: 30px;
}

/* ==========================================================================
   Responsive Updates
   ========================================================================== */
@media (max-width: 992px) {
    .hero h1 { font-size: 36px; }
    .strength-grid { grid-template-columns: repeat(2, 1fr); }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .business-grid { grid-template-columns: repeat(2, 1fr); }
    .case-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: repeat(3, 1fr); gap: 15px; }
    
    .process-steps { flex-direction: column; gap: 30px; }
    .process-steps::before {
        width: 2px;
        height: 100%;
        top: 0;
        left: 50%;
        margin-left: -1px;
    }
    .step-item { display: flex; text-align: left; align-items: flex-start; width: 100%; }
    .step-number { margin: 0 20px 0 0; width: 60px; height: 60px; font-size: 20px; flex-shrink: 0; }
    .step-content { flex-grow: 1; padding-top: 10px; }
    
    .faq-container { column-count: 1; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 28px; }
    .hero p { font-size: 16px; }
    .hero-btns { flex-direction: column; }
    .hero-btns .btn { width: 100%; }
    
    .strength-grid, .service-grid, .business-grid, .case-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    
    .process-steps::before { left: 30px; }
    .step-number { margin-left: 0; }
    
    .cta h2 { font-size: 28px; }
}

@media (max-width: 480px) {
    .why-grid { grid-template-columns: 1fr; }
}