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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', Arial, sans-serif;
    background: #0a0a0a;
    color: #e0e0e0;
    line-height: 1.5;
    overflow-x: hidden;
    font-weight: 300;
}

/* Back Button */
.back {
    position: fixed;
    top: 30px;
    left: 30px;
    z-index: 100;
    font-size: 14px;
    color: #999;
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: color 0.3s;
}

.back:hover {
    color: #fff;
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 80px;
    position: relative;
}

.hero h1 {
    font-size: clamp(60px, 10vw, 140px);
    font-weight: 300;
    letter-spacing: -3px;
    margin: 0;
    line-height: 0.9;
}

.hero p {
    font-size: clamp(18px, 2vw, 24px);
    color: #666;
    margin: 40px 0;
    max-width: 600px;
    font-weight: 300;
}

.meta {
    display: flex;
    gap: 40px;
    font-size: 13px;
    color: #666;
    margin-top: 60px;
    flex-wrap: wrap;
}

.meta span {
    letter-spacing: 0.5px;
}

/* Section */
section {
    padding: 160px 80px;
    max-width: 1600px;
    margin: 0 auto;
}

h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 300;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.desc {
    font-size: 16px;
    color: #666;
    max-width: 500px;
    margin-bottom: 80px;
}

/* Visual Large */
.visual-large {
    width: 100%;
    margin: 80px 0;
}

.visual-large img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

/* Color System */
.color-system {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.color-block {
    height: 280px;
    border-radius: 8px;
    display: flex;
    align-items: flex-end;
    padding: 32px;
    transition: transform 0.3s;
}

.color-block:hover {
    transform: translateY(-8px);
}

.color-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.color-name {
    font-size: 24px;
    font-weight: 400;
    color: #fff;
}

.color-hex {
    font-size: 16px;
    font-family: 'Courier New', monospace;
    color: rgba(255,255,255,0.8);
}

.color-use {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    margin-top: 8px;
}

/* Typography Showcase */
.typography-showcase {
    margin: 80px 0;
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.type-row {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-bottom: 80px;
    border-bottom: 1px solid #1a1a1a;
}

.type-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.type-sample {
    color: #e0e0e0;
}

.type-h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 0;
}

.type-h2 {
    font-size: 48px;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 0;
}

.type-h3 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: 0;
}

.type-body {
    font-size: 18px;
    font-weight: 300;
    line-height: 1.7;
    max-width: 900px;
    margin-bottom: 0;
}

.type-caption {
    font-size: 14px;
    font-weight: 300;
    color: #999;
    line-height: 1.6;
    margin-bottom: 0;
}

.type-spec {
    font-size: 13px;
    color: #666;
    font-family: 'Courier New', monospace;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

@media (max-width: 768px) {
    .typography-showcase {
        gap: 60px;
    }

    .type-row {
        padding-bottom: 60px;
    }
    
    .type-h1 {
        font-size: 48px;
    }
    
    .type-h2 {
        font-size: 36px;
    }
    
    .type-h3 {
        font-size: 24px;
    }
}

/* Grid for Components */
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin: 80px 0;
}

.grid-item {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.grid-item img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid #1a1a1a;
}

.caption {
    font-size: 13px;
    color: #666;
    text-align: center;
}

/* Component Section */
.component-section {
    margin-bottom: 80px;
}

.component-section h3 {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 40px;
    color: #e0e0e0;
}

/* Button Grid */
.button-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 40px;
}

.component-item {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 40px;
    background: #111;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
}

.component-item.wide {
    grid-column: 1 / -1;
}

.component-item img {
    max-width: 100%;
    height: auto;
}

.comp-label {
    font-size: 13px;
    color: #666;
    text-align: center;
}

/* Navigation Showcase */
.nav-showcase {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-bottom: 40px;
}

.nav-item {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.nav-item.primary img {
    border: 2px solid #666;
    border-radius: 8px;
}

.nav-item.secondary img {
    border: 1px solid #333;
    border-radius: 8px;
    opacity: 0.9;
}

.nav-item img {
    width: 100%;
    height: auto;
}

/* Service Showcase */
.service-showcase {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.service-showcase img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid #1a1a1a;
}

@media (max-width: 768px) {
    .button-grid {
        grid-template-columns: 1fr;
    }
    
    .component-item.wide {
        grid-column: 1;
    }

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

    .nav-showcase {
        gap: 32px;
    }
}

/* Side by Side */
.side-by-side {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin: 80px 0;
}

.side-by-side img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid #1a1a1a;
}

/* Landing Grid */
.landing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    margin: 80px 0;
}

.landing-item {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.landing-item img {
    width: 100%;
    border-radius: 8px;
}

.landing-item h4 {
    font-size: 18px;
    font-weight: 400;
    margin: 0;
}

.landing-item p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

/* Mobile Showcase */
.mobile-showcase {
    display: flex;
    gap: 32px;
    justify-content: center;
    margin: 80px 0;
}

.mobile-showcase img {
    width: 280px;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* Process Text */
.process-text {
    max-width: 800px;
    margin: 60px auto 80px;
    padding: 40px;
    background: #111;
    border-radius: 8px;
    border-left: 3px solid #666;
}

.process-text h3 {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 20px;
}

.process-text p {
    font-size: 16px;
    color: #999;
    line-height: 1.7;
    margin-bottom: 16px;
}

.process-text p:last-child {
    margin-bottom: 0;
}

.process-text strong {
    color: #e0e0e0;
}

/* Extra Grid */
.extra-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin: 80px 0;
}

.extra-item {
    padding: 32px;
    background: #111;
    border-radius: 8px;
}

.extra-item h4 {
    font-size: 18px;
    font-weight: 400;
    margin-bottom: 16px;
}

.extra-item p {
    font-size: 15px;
    color: #999;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 1024px) {
    .extra-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* Two Column */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin: 80px 0;
}

.split h3 {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 20px;
}

.split p {
    color: #999;
    line-height: 1.7;
    font-size: 15px;
}

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
    margin: 120px 0;
    padding: 80px 0;
    border-top: 1px solid #1a1a1a;
    border-bottom: 1px solid #1a1a1a;
}

.stat {
    text-align: left;
}

.stat-num {
    font-size: 48px;
    font-weight: 300;
    margin-bottom: 10px;
    letter-spacing: -1px;
}

.stat-label {
    font-size: 13px;
    color: #666;
    letter-spacing: 0.5px;
}

/* Color Palette - Large Format */
.color-palette-large {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 80px 0 120px;
}

.color-swatch-large {
    height: 200px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    transition: transform 0.3s;
}

.color-swatch-large:hover {
    transform: translateY(-8px);
}

.color-label {
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    margin-bottom: 4px;
}

.color-code {
    font-size: 14px;
    font-family: 'Courier New', monospace;
    color: rgba(255,255,255,0.7);
}

/* Screens Showcase */
.screens-showcase {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 80px;
}

.screen-large {
    width: 100%;
}

.screen-large img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid #1a1a1a;
    display: block;
}

.screen-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.screen-row.triple {
    grid-template-columns: repeat(3, 1fr);
}

.screen-half,
.screen-third {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.screen-half img,
.screen-third img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid #1a1a1a;
    display: block;
}

.screen-caption {
    font-size: 13px;
    color: #666;
    text-align: center;
    margin-top: 12px;
    display: block;
}

/* Responsive Screens */
@media (max-width: 1024px) {
    .color-palette-large {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .color-swatch-large {
        height: 150px;
    }

    .screen-row {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* Full Width Image */
.full-img {
    width: 100%;
    margin: 120px 0;
}

.img-placeholder {
    width: 100%;
    height: 600px;
    background: #111;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    font-size: 14px;
}

/* Compare */
.compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin: 120px 0;
}

.compare-side h4 {
    font-size: 14px;
    font-weight: 400;
    margin-bottom: 20px;
    color: #666;
    letter-spacing: 0.5px;
}

.compare-frame {
    width: 100%;
    height: 600px;
    overflow-y: auto;
    background: #111;
    border-radius: 4px;
}

.compare-frame::-webkit-scrollbar {
    width: 4px;
}

.compare-frame::-webkit-scrollbar-thumb {
    background: #222;
    border-radius: 4px;
}

.compare-frame img {
    width: 100%;
    display: block;
}

/* Process Timeline */
.timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin: 80px 0;
}

.timeline-item {
    border-left: 1px solid #1a1a1a;
    padding-left: 20px;
}

.timeline-item h4 {
    font-size: 14px;
    font-weight: 400;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.timeline-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* Footer */
footer {
    padding: 120px 80px;
    text-align: center;
    border-top: 1px solid #1a1a1a;
    background: #0a0a0a;
}

footer h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 300;
    margin-bottom: 40px;
    letter-spacing: -1px;
}

footer p {
    margin-bottom: 10px;
    font-size: 16px;
    color: #666;
}

footer a {
    color: #e0e0e0;
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: #fff;
}

/* Autograph Styling */
.autograph-container {
    margin: 30px auto 40px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.autograph {
    max-width: 200px;
    height: auto;
    opacity: 0.9;
    filter: brightness(1.1);
    transition: opacity 0.3s ease;
}

.autograph:hover {
    opacity: 1;
}

/* Footer Buttons */
.footer-buttons {
    display: flex;
    gap: 30px;
    justify-content: center;
    margin-top: 60px;
}

.footer-buttons .button {
    background: transparent;
    color: #e0e0e0;
    border: 1px solid #333;
    border-radius: 4px;
    padding: 12px 32px;
    font-size: 14px;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-buttons .button:hover {
    background: transparent;
    border-color: #666;
    color: #fff;
}

.contact-info {
    font-size: 16px;
    color: #666;
    margin: 10px 0;
}

.contact-info a {
    color: #e0e0e0;
    text-decoration: none;
    transition: color 0.3s;
}

.contact-info a:hover {
    color: #fff;
}

.links {
    display: flex;
    gap: 30px;
    justify-content: center;
    margin-top: 60px;
}

.links a {
    font-size: 14px;
    color: #999;
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: color 0.3s;
}

.links a:hover {
    color: #fff;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero, section, footer {
        padding-left: 40px;
        padding-right: 40px;
    }

    .split, .compare {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .landing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .back {
        top: 20px;
        left: 20px;
    }

    .hero, section, footer {
        padding-left: 24px;
        padding-right: 24px;
    }

    section {
        padding-top: 100px;
        padding-bottom: 100px;
    }

    footer {
        padding: 80px 24px;
    }

    .meta {
        flex-direction: column;
        gap: 15px;
    }

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

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

    .visual-large, .img-placeholder {
        height: 400px;
    }

    .compare-frame {
        height: 500px;
    }

    .autograph {
        max-width: 150px;
    }

    .footer-buttons {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .footer-buttons .button {
        width: 200px;
    }

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