/* ========================================
   Twisted Inc. Homepage Styles
   ======================================== */

/* CSS Variables */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #121212;
    --bg-card: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent-purple: #9b59b6;
    --accent-purple-light: #b87ed8;
    --accent-glow: rgba(155, 89, 182, 0.3);
    --gradient-purple: linear-gradient(135deg, #9b59b6, #7c3aed);
    --border-color: rgba(255, 255, 255, 0.1);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --header-height: 80px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.95);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-accent {
    color: var(--accent-purple);
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
}

.btn-contact {
    padding: 10px 24px;
    background: var(--gradient-purple);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav.active {
    display: block;
}

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

.mobile-nav-link {
    font-size: 1.1rem;
    color: var(--text-secondary);
    padding: 8px 0;
}

.btn-contact-mobile {
    display: inline-block;
    margin-top: 16px;
    padding: 12px 24px;
    background: var(--gradient-purple);
    border-radius: 50px;
    text-align: center;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.stars {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(2px 2px at 20px 30px, white, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, white, transparent),
        radial-gradient(2px 2px at 160px 120px, rgba(255,255,255,0.9), transparent),
        radial-gradient(1px 1px at 230px 80px, white, transparent),
        radial-gradient(2px 2px at 300px 200px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 380px 150px, white, transparent),
        radial-gradient(2px 2px at 450px 50px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 520px 180px, white, transparent),
        radial-gradient(2px 2px at 600px 100px, rgba(255,255,255,0.9), transparent);
    background-size: 650px 250px;
    animation: starsMove 100s linear infinite;
}

@keyframes starsMove {
    from { transform: translateY(0); }
    to { transform: translateY(-500px); }
}

.nebula {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(155, 89, 182, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 30%, rgba(124, 58, 237, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 80%, rgba(139, 69, 186, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 24px;
}

.hero-title {
    font-size: clamp(4rem, 15vw, 10rem);
    font-weight: 800;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
    text-shadow: 0 0 60px rgba(155, 89, 182, 0.3);
}

.hero-title .accent {
    color: var(--accent-purple);
    text-shadow: 0 0 40px var(--accent-purple);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 300;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.scroll-arrow svg {
    opacity: 0.6;
}

/* ========================================
   Section Common
   ======================================== */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
}

/* ========================================
   About Section
   ======================================== */
.about {
    background: var(--bg-secondary);
}

.about-main {
    text-align: center;
    margin-bottom: 64px;
}

.about-quote {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 600;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.about-card-icon {
    color: var(--accent-purple);
    margin-bottom: 20px;
}

.about-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.about-card-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.values-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.value-tag {
    padding: 6px 12px;
    background: rgba(155, 89, 182, 0.15);
    border: 1px solid rgba(155, 89, 182, 0.3);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--accent-purple-light);
}

/* ========================================
   Service Section
   ======================================== */
.service {
    background: var(--bg-primary);
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.service-item {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-purple);
}

.service-item:hover {
    transform: translateX(8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.service-number {
    font-size: 4rem;
    font-weight: 800;
    color: rgba(155, 89, 182, 0.2);
    line-height: 1;
    min-width: 100px;
}

.service-icon {
    color: var(--accent-purple);
    flex-shrink: 0;
}

.service-content {
    flex: 1;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.service-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   Company Section
   ======================================== */
.company {
    background: var(--bg-secondary);
}

.company-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 64px;
    align-items: center;
}

.building-illustration {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    height: 400px;
    background: linear-gradient(to top, rgba(155, 89, 182, 0.1), transparent);
    border-radius: 20px;
    padding: 24px;
}

.building {
    width: 200px;
    height: 350px;
    background: linear-gradient(180deg, #2a2a2a 0%, #1a1a1a 100%);
    border: 1px solid var(--border-color);
    border-radius: 8px 8px 0 0;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    overflow: hidden;
}

.building-windows {
    position: absolute;
    inset: 20px 15px 60px 15px;
    background: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 20px,
            rgba(155, 89, 182, 0.3) 20px,
            rgba(155, 89, 182, 0.3) 22px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 30px,
            rgba(155, 89, 182, 0.3) 30px,
            rgba(155, 89, 182, 0.3) 32px
        );
}

.building-sign {
    background: var(--gradient-purple);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 8px;
    text-align: center;
    letter-spacing: 0.05em;
}

.company-info {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
}

.company-table {
    width: 100%;
    border-collapse: collapse;
}

.company-table tr {
    border-bottom: 1px solid var(--border-color);
}

.company-table tr:last-child {
    border-bottom: none;
}

.company-table th,
.company-table td {
    padding: 20px 0;
    text-align: left;
    vertical-align: top;
}

.company-table th {
    width: 120px;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9rem;
}

.company-table td {
    color: var(--text-primary);
    font-size: 1rem;
}

.business-list {
    list-style: none;
}

.business-list li {
    padding: 4px 0;
}

.business-list li::before {
    content: '•';
    color: var(--accent-purple);
    margin-right: 8px;
}

/* ========================================
   Recruit Section
   ======================================== */
.recruit {
    background: var(--bg-primary);
}

.recruit-content {
    text-align: center;
}

.recruit-message {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
    line-height: 1.8;
}

.recruit-banner {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    padding: 32px 48px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all var(--transition-normal);
}

.recruit-banner:hover {
    border-color: var(--accent-purple);
    box-shadow: 0 0 32px var(--accent-glow);
    transform: translateY(-4px);
}

.recruit-banner-content {
    text-align: left;
}

.recruit-banner-text {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.recruit-banner-site {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.recruit-banner-arrow {
    color: var(--accent-purple);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: flex;
    justify-content: center;
}

.contact-button {
    display: inline-flex;
    align-items: center;
    gap: 24px;
    padding: 24px 48px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 60px;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all var(--transition-normal);
}

.contact-button:hover {
    border-color: var(--accent-purple);
    box-shadow: 0 0 40px var(--accent-glow);
    transform: translateY(-4px);
}

.contact-button-icon {
    color: var(--accent-purple);
}

.contact-button-arrow {
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.contact-button:hover .contact-button-arrow {
    transform: translateX(4px);
    color: var(--accent-purple);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-primary);
    padding: 64px 0 32px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-nav-list {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-nav-list a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-nav-list a:hover {
    color: var(--text-primary);
}

.footer-link {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-link:hover {
    color: var(--text-primary);
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========================================
   Animations
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .company-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .building-illustration {
        height: 300px;
    }

    .building {
        width: 150px;
        height: 250px;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .nav,
    .btn-contact {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .section {
        padding: 80px 0;
    }

    .service-item {
        flex-direction: column;
        padding: 24px;
    }

    .service-number {
        font-size: 2.5rem;
        min-width: auto;
    }

    .recruit-banner {
        flex-direction: column;
        gap: 24px;
        padding: 24px 32px;
    }

    .recruit-banner-content {
        text-align: center;
    }

    .contact-button {
        flex-direction: column;
        gap: 16px;
        padding: 24px 32px;
    }

    .footer-nav-list {
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        letter-spacing: 0.05em;
    }

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

    .company-table th {
        display: block;
        padding-bottom: 4px;
    }

    .company-table td {
        display: block;
        padding-top: 0;
    }
}