/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: #1a1a1a;
    background-color: #ffffff;
    overflow-x: hidden;
    padding-top: 70px;
}

/* Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

/* Hero Section */
.hero {
    padding: 120px 0 100px;
    background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    z-index: 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transition: transform 0.4s ease;
}

.hero-image-wrapper:hover {
    transform: translateY(-10px);
}

.hero-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

.breadcrumb {
    font-size: 0.875rem;
    color: #666;
    margin-bottom: 30px;
}

.breadcrumb a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #E01B4A;
}

.breadcrumb span {
    margin: 0 10px;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.brand-symbol {
    color: #E01B4A;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    color: #666;
    margin-bottom: 50px;
}

.hero-meta {
    display: flex;
    gap: 50px;
}

.meta-item {
    display: flex;
    flex-direction: column;
}

.meta-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #999;
    margin-bottom: 8px;
}

.meta-value {
    font-size: 1rem;
    font-weight: 600;
    color: #1a1a1a;
}

/* Featured Image */
.featured-image {
    padding: 0;
    margin-bottom: 120px;
}

.featured-image img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* Section Spacing */
.section-spacer {
    padding: 100px 0;
}

.section-spacer img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.bg-light {
    background: #fafafa;
}

.bg-dark {
    background: #001F54;
    color: #ffffff;
}

.bg-gradient {
    background: linear-gradient(135deg, #E01B4A 0%, #F68E2D 100%);
    color: #ffffff;
}

/* Two Column Layout */
.two-column {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    align-items: start;
}

.col-left {
    position: sticky;
    top: 120px;
}

/* Typography */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 30px;
}

.section-title.centered {
    text-align: center;
    margin-bottom: 60px;
}

.section-title.white {
    color: #ffffff;
}

.intro-text {
    font-size: 1.25rem;
    line-height: 1.7;
    margin-bottom: 25px;
    color: inherit;
}

.concept-heading {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 25px;
}

.centered-text {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
    color: #666;
}

.symbol-inline {
    color: #F68E2D;
    font-weight: 700;
    font-size: 1.15em;
}

/* Symbol Grid */
.symbol-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin: 50px 0;
}

.symbol-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.symbol-large {
    font-size: 4rem;
    font-weight: 700;
    color: #F68E2D;
    margin-bottom: 20px;
}

.symbol-card h4 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.symbol-card p {
    font-size: 0.95rem;
    opacity: 0.8;
}

/* Color System */
.color-system {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
    margin-top: 60px;
}

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

.color-block {
    width: 100%;
    height: 200px;
    border-radius: 12px;
    margin-bottom: 25px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.color-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.color-hex {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    color: #999;
    margin-bottom: 10px;
}

.color-meaning {
    font-size: 0.9rem;
    color: #666;
}

/* Applications Grid */
.app-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.app-item img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.app-item:hover img {
    transform: translateY(-8px);
}

/* Outcome Section */
.outcome-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.outcome-text {
    font-size: 1.5rem;
    line-height: 1.7;
    margin-top: 30px;
}

/* Footer */
.case-footer {
    background: #1a1a1a;
    color: #ffffff;
    padding: 40px 0;
    text-align: center;
}

.case-footer p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Minimal Hero Section */
.minimal-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.minimal-hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 32px;
}

.hero-logo img {
    width: 160px;
    max-width: 40vw;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    margin-bottom: 16px;
}

.hero-title.minimal {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0;
    color: #1a1a1a;
}

.brand-symbol {
    color: #E01B4A;
}

.hero-subtitle.minimal {
    font-size: 1.25rem;
    color: #666;
    font-weight: 400;
    margin: 0;
}

.hero-meta.minimal {
    display: flex;
    gap: 18px;
    font-size: 1rem;
    color: #999;
    justify-content: center;
    align-items: center;
    font-weight: 500;
}

@media (max-width: 768px) {
    .minimal-hero {
        padding: 60px 0 40px;
    }
    .hero-logo img {
        width: 100px;
    }
    .hero-title.minimal {
        font-size: 2rem;
    }
    .hero-meta.minimal {
        font-size: 0.95rem;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container-wide {
        padding: 0 40px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .two-column {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .col-left {
        position: static;
    }

    .color-system {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

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

    .hero {
        padding: 80px 0 60px;
    }

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

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

    .hero-meta {
        gap: 30px;
    }

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

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

    .intro-text {
        font-size: 1.125rem;
    }

    .symbol-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .app-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .outcome-text {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .hero-meta {
        flex-direction: column;
        gap: 20px;
    }
}

/* Hero Section */
.hero {
    height: 90vh;
    background: linear-gradient(135deg, #E01B4A 0%, #F68E2D 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background-image: 
        linear-gradient(45deg, rgba(255,255,255,0.1) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255,255,255,0.1) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.1) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.1) 75%);
    background-size: 100px 100px;
    animation: movePattern 20s linear infinite;
    opacity: 0.3;
}

@keyframes movePattern {
    0% { transform: translate(0, 0); }
    100% { transform: translate(100px, 100px); }
}

.hero-content {
    text-align: center;
    color: #ffffff;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero .subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Project Info */
.project-info {
    background-color: #ffffff;
    padding: 80px 0;
    border-bottom: 1px solid #e0e0e0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
}

.info-item h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #999;
    margin-bottom: 10px;
}

.info-item p {
    font-size: 1.25rem;
    font-weight: 500;
    color: #1a1a1a;
}

/* Content Sections */
.content-section {
    padding: 100px 0;
    background-color: #ffffff;
}

.content-section.dark-bg {
    background-color: #001F54;
    color: #ffffff;
}

.section-header {
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 700;
    color: #1a1a1a;
    position: relative;
    display: inline-block;
}

.dark-bg .section-header h2 {
    color: #ffffff;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #F68E2D, #E01B4A);
}

.content-text {
    max-width: 800px;
}

.content-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 25px;
    color: inherit;
}

.large-text {
    font-size: 1.5rem !important;
    line-height: 1.6 !important;
    font-weight: 400;
    margin-bottom: 40px !important;
}

.highlight {
    color: #F68E2D;
    font-weight: 700;
    font-size: 1.2em;
}

.dark-bg .highlight {
    color: #F68E2D;
}

/* Concept Grid */
.concept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin: 50px 0;
}

.concept-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.concept-card:hover {
    transform: translateY(-5px);
    border-color: #F68E2D;
}

.concept-card .symbol {
    font-size: 4rem;
    font-weight: 700;
    color: #F68E2D;
    margin-bottom: 20px;
}

.concept-card h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #ffffff;
}

.concept-card p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Color Palette */
.color-palette {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin: 50px 0;
}

.color-card {
    text-align: center;
}

.color-swatch {
    width: 100%;
    height: 180px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.color-card:hover .color-swatch {
    transform: scale(1.05);
}

.color-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #1a1a1a;
}

.color-code {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    color: #666;
    margin-bottom: 12px;
}

.color-desc {
    font-size: 0.95rem;
    color: #888;
    line-height: 1.5;
}

/* Image Sections */
.image-section {
    padding: 80px 0;
    background-color: #f8f8f8;
}

.image-section img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.image-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.image-grid img:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

/* Outcome Section */
.outcome-section {
    background: linear-gradient(135deg, #f8f8f8 0%, #ffffff 100%);
}

/* Footer */
footer {
    background-color: #1a1a1a;
    color: #ffffff;
    padding: 60px 0;
    text-align: center;
}

footer p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }

    .hero h1 {
        font-size: 4.5rem;
    }

    .section-header h2 {
        font-size: 2.5rem;
    }
}

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

    .hero {
        height: 70vh;
    }

    .hero h1 {
        font-size: 3rem;
    }

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

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

    .section-header h2 {
        font-size: 2rem;
    }

    .large-text {
        font-size: 1.25rem !important;
    }

    .content-text p {
        font-size: 1rem;
    }

    .image-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .info-grid {
        gap: 40px;
    }

    .project-info {
        padding: 50px 0;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }
}