/* ============================================
   ONEPERCENT Website - Main Stylesheet
   ============================================ */

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

:root {
    /* Colors */
    --color-primary: #0a0e27;
    --color-secondary: #151932;
    --color-accent: #ff6b35;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-border: #2a2e4a;
    
    /* Typography */
    --font-en: 'Inter', sans-serif;
    --font-kr: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-base: 0.3s ease;
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

body {
    font-family: var(--font-kr);
    color: var(--color-text-primary);
    background: var(--color-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Canvas Background */
canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Container */
.container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    height: 100%;
    display: flex;
    align-items: center;
}

.content-wrapper {
    width: 100%;
}

/* Section Numbers */
.section-number {
    font-family: var(--font-en);
    font-size: clamp(3rem, 8vw, 8rem);
    font-weight: 800;
    color: rgba(255, 255, 255, 0.03);
    position: absolute;
    top: 5%;
    right: 5%;
    line-height: 1;
    pointer-events: none;
}

/* Animations */
[data-animate] {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.section.active [data-animate] {
    opacity: 1;
    transform: translateY(0);
}

[data-animate]:nth-child(1) { transition-delay: 0.1s; }
[data-animate]:nth-child(2) { transition-delay: 0.2s; }
[data-animate]:nth-child(3) { transition-delay: 0.3s; }
[data-animate]:nth-child(4) { transition-delay: 0.4s; }
[data-animate]:nth-child(5) { transition-delay: 0.5s; }
[data-animate]:nth-child(6) { transition-delay: 0.6s; }

/* ============================================
   SECTION 1: HERO
   ============================================ */

#section-hero {
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-label {
    font-family: var(--font-en);
    font-size: clamp(0.7rem, 1.5vw, 0.9rem);
    font-weight: 600;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: clamp(2rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-title .accent {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    font-family: var(--font-kr);
    font-size: 1rem;
    font-weight: 600;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    transition: all var(--transition-base);
    display: inline-block;
}

.btn-primary {
    background: var(--color-accent);
    color: white;
}

.btn-primary:hover {
    background: #ff8456;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    font-family: var(--font-en);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--color-text-secondary);
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { height: 0; opacity: 0; }
    50% { height: 40px; opacity: 1; }
    100% { height: 40px; opacity: 0; }
}

/* ============================================
   SECTION 2: PHILOSOPHY
   ============================================ */

#section-philosophy {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.section-title {
    font-family: var(--font-en);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.philosophy-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.philosophy-main h3 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    margin-bottom: var(--spacing-md);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.stat-item {
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    text-align: center;
    transition: all var(--transition-base);
}

.stat-item:hover {
    background: rgba(255, 107, 53, 0.1);
    border-color: var(--color-accent);
    transform: translateY(-5px);
}

.stat-number {
    font-family: var(--font-en);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
}

.stat-number span {
    font-size: 0.6em;
}

.stat-label {
    margin-top: var(--spacing-sm);
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.philosophy-text {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.philosophy-text p {
    margin-bottom: var(--spacing-md);
}

.philosophy-text strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.philosophy-text .emphasis {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 1.1em;
}

/* ============================================
   SECTION 3: SERVICE
   ============================================ */

#section-service {
    background: var(--color-primary);
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.section-subtitle strong {
    color: var(--color-accent);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-item {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

.service-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-10px);
    border-color: var(--color-accent);
}

.service-number {
    font-family: var(--font-en);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.05);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.service-item h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.service-item > p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.service-item ul {
    list-style: none;
}

.service-item li {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
}

.service-item li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* ============================================
   SECTION 4: PROCESS
   ============================================ */

#section-process {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
}

.process-timeline {
    margin-top: var(--spacing-xl);
    max-width: 900px;
}

.process-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 107, 53, 0.1);
    border: 2px solid var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-en);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-accent);
    transition: all var(--transition-base);
}

.process-item:hover .step-number {
    background: var(--color-accent);
    color: white;
    transform: scale(1.1);
}

.step-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(180deg, var(--color-accent) 0%, transparent 100%);
    margin-top: var(--spacing-sm);
}

.process-item:last-child .step-line {
    display: none;
}

.process-content h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.process-content .en {
    font-family: var(--font-en);
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-secondary);
}

.process-content p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.process-duration {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid var(--color-accent);
    border-radius: 20px;
    font-family: var(--font-en);
    font-size: 0.85rem;
    color: var(--color-accent);
}

/* ============================================
   SECTION 5: PORTFOLIO
   ============================================ */

#section-portfolio {
    background: var(--color-primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.portfolio-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    border-color: var(--color-accent);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.portfolio-thumbnail {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.portfolio-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.portfolio-thumbnail.placeholder {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
}

.portfolio-thumbnail.placeholder::before {
    content: 'VIDEO';
    font-family: var(--font-en);
    font-size: 2rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.1);
}

.portfolio-info {
    padding: var(--spacing-md);
}

.portfolio-category {
    font-family: var(--font-en);
    font-size: 0.8rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.portfolio-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.portfolio-client {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.portfolio-results {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.result-tag {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: 15px;
    color: var(--color-accent);
}

/* ============================================
   SECTION 6: CONTACT
   ============================================ */

#section-contact {
    background: linear-gradient(135deg, var(--color-primary) 0%, #1a1f3a 100%);
}

.contact-wrapper {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-content {
    margin: var(--spacing-xl) 0;
}

.contact-text {
    font-size: clamp(1.5rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-lg);
}

.contact-email {
    font-family: var(--font-en);
    font-size: clamp(1.5rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--color-accent);
    text-decoration: none;
    transition: all var(--transition-base);
    display: inline-block;
}

.contact-email:hover {
    color: #ff8456;
    transform: scale(1.05);
}

.footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.footer-logo {
    font-family: var(--font-en);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.footer-copy {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* ============================================
   FULLPAGE.JS CUSTOMIZATION
   ============================================ */

#fp-nav ul li a span,
.fp-slidesNav ul li a span {
    background: var(--color-text-secondary);
}

#fp-nav ul li a.active span,
.fp-slidesNav ul li a.active span,
#fp-nav ul li:hover a.active span,
.fp-slidesNav ul li:hover a.active span {
    background: var(--color-accent);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .section-number {
        font-size: 6rem;
        top: 3%;
        right: 3%;
    }
    
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-item {
        grid-template-columns: 80px 1fr;
    }
    
    .step-number {
        width: 60px;
        height: 60px;
        font-size: 1.2rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 8%;
    }
    
    .section-number {
        font-size: 4rem;
        top: 2%;
        right: 5%;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .process-item {
        grid-template-columns: 60px 1fr;
        gap: var(--spacing-sm);
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1rem;
    }
    
    .process-content h3 {
        font-size: 1.3rem;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .section-number {
        display: none;
    }
}