/*
Theme Name: Binary Labs
Theme URI: https://binarylabs.kr
Author: Binary Labs
Author URI: https://binarylabs.kr
Description: 주식회사 바이너리 랩스 공식 기업 소개 테마. 소프트웨어 개발 전문 기업의 비전과 서비스를 소개하는 초간결 원페이지 테마입니다.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: binary-labs
Tags: one-column, custom-colors, custom-logo, featured-images, full-width-template, translation-ready
*/

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a26;
    --bg-card-hover: #222233;
    --text-primary: #e8e8f0;
    --text-secondary: #8888aa;
    --text-muted: #555570;
    --accent: #00e5a0;
    --accent-dim: rgba(0, 229, 160, 0.12);
    --accent-glow: rgba(0, 229, 160, 0.3);
    --accent-secondary: #00b8d4;
    --border: rgba(255, 255, 255, 0.06);
    --border-accent: rgba(0, 229, 160, 0.2);
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Noto Sans KR', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-secondary);
}

::selection {
    background: var(--accent);
    color: var(--bg-primary);
}

/* ============================================
   BINARY RAIN CANVAS (background effect)
   ============================================ */
#binary-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.07;
}

/* ============================================
   NOISE OVERLAY
   ============================================ */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
}

/* ============================================
   SITE HEADER / NAVIGATION
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.2rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    background: rgba(10, 10, 15, 0.75);
    border-bottom: 1px solid var(--border);
    transition: all 0.4s var(--ease-out-expo);
}

.site-header.scrolled {
    padding: 0.8rem 2.5rem;
    background: rgba(10, 10, 15, 0.92);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.site-logo .logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--bg-primary);
    letter-spacing: -0.5px;
}

.site-logo .logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.3px;
    color: var(--text-primary);
}

.site-logo .logo-text span {
    color: var(--accent);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.site-nav a {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
    position: relative;
    padding: 0.3rem 0;
    transition: color 0.3s ease;
}

.site-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--accent);
    transition: width 0.4s var(--ease-out-expo);
}

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

.site-nav a:hover::after {
    width: 100%;
}

.nav-cta {
    font-size: 0.82rem !important;
    color: var(--accent) !important;
    border: 1px solid var(--border-accent);
    padding: 0.45rem 1.2rem !important;
    border-radius: 6px;
    transition: all 0.3s ease !important;
}

.nav-cta:hover {
    background: var(--accent-dim);
    border-color: var(--accent);
}

.nav-cta::after {
    display: none !important;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 24px;
    position: relative;
    z-index: 110;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
}

.nav-toggle span:nth-child(1) { top: 2px; }
.nav-toggle span:nth-child(2) { top: 11px; }
.nav-toggle span:nth-child(3) { top: 20px; }

/* ============================================
   MAIN CONTENT WRAPPER
   ============================================ */
.site-content {
    position: relative;
    z-index: 2;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 8rem 2.5rem 6rem;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    pointer-events: none;
}

.hero-glow-1 {
    top: -100px;
    right: -100px;
    background: var(--accent);
}

.hero-glow-2 {
    bottom: -150px;
    left: -100px;
    background: var(--accent-secondary);
    opacity: 0.1;
}

.hero-inner {
    max-width: 900px;
    text-align: center;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    border-radius: 100px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s var(--ease-out-expo) both;
}

.hero-badge .pulse-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease infinite;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.035em;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s 0.1s var(--ease-out-expo) both;
}

.hero-title .accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .line {
    display: block;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s 0.2s var(--ease-out-expo) both;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    animation: fadeInUp 0.8s 0.3s var(--ease-out-expo) both;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    background: var(--accent);
    color: var(--bg-primary);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 30px var(--accent-glow);
    color: var(--bg-primary);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* ============================================
   SECTION COMMONS
   ============================================ */
section {
    padding: 6rem 2.5rem;
    position: relative;
}

.section-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 550px;
    line-height: 1.8;
}

.section-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    max-width: 1100px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-section {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.about-visual {
    position: relative;
    aspect-ratio: 1;
    max-width: 440px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-visual .orbit-ring {
    position: absolute;
    border: 1px solid var(--border);
    border-radius: 50%;
    animation: spin 30s linear infinite;
}

.about-visual .orbit-ring:nth-child(1) {
    width: 100%;
    height: 100%;
    border-color: rgba(0, 229, 160, 0.08);
}

.about-visual .orbit-ring:nth-child(2) {
    width: 72%;
    height: 72%;
    animation-direction: reverse;
    animation-duration: 22s;
    border-color: rgba(0, 184, 212, 0.08);
}

.about-visual .orbit-ring:nth-child(3) {
    width: 44%;
    height: 44%;
    animation-duration: 15s;
    border-color: rgba(0, 229, 160, 0.1);
}

.about-visual .core-icon {
    font-size: 2.5rem;
    z-index: 2;
    position: relative;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-accent);
    border-radius: 16px;
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--accent);
    box-shadow: 0 0 40px var(--accent-dim);
}

.about-visual .orbit-dot {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--accent-glow);
}

.about-text h3 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.about-text p {
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 1rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: var(--border-accent);
    background: var(--bg-card-hover);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent);
    display: block;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
    letter-spacing: 0.03em;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 2rem;
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    border-color: var(--border-accent);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1.3rem;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.7rem;
    letter-spacing: -0.01em;
}

.service-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.service-tag {
    display: inline-block;
    margin-top: 1rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 0.25rem 0.7rem;
    border-radius: 4px;
    letter-spacing: 0.04em;
}

/* ============================================
   TECH STACK SECTION
   ============================================ */
.tech-section {
    background: var(--bg-secondary);
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 2.5rem;
}

.tech-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1.1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    cursor: default;
}

.tech-chip:hover {
    border-color: var(--border-accent);
    color: var(--accent);
    background: var(--accent-dim);
    transform: translateY(-2px);
}

.tech-chip .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.6;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section .contact-box {
    margin-top: 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.8rem;
}

.contact-info-item .icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.contact-info-item .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.2rem;
}

.contact-info-item .value {
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.contact-form .form-group {
    margin-bottom: 1.2rem;
}

.contact-form label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
    font-family: var(--font-mono);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
    outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.contact-form textarea {
    min-height: 120px;
    resize: vertical;
}

.contact-form button {
    width: 100%;
}

/* ============================================
   SITE FOOTER
   ============================================ */
.site-footer {
    padding: 3rem 2.5rem;
    border-top: 1px solid var(--border);
    background: var(--bg-primary);
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-copy {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
}

.footer-legal {
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.8;
    text-align: right;
}

.footer-legal span {
    display: block;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .about-visual {
        max-width: 300px;
        margin: 0 auto;
    }

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

    .contact-section .contact-box {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .site-header {
        padding: 1rem 1.5rem;
    }

    .site-nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 15, 0.97);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        backdrop-filter: blur(20px);
    }

    .site-nav.active {
        display: flex;
    }

    .site-nav a {
        font-size: 1.2rem;
    }

    .nav-toggle {
        display: block;
    }

    .nav-toggle.active span:nth-child(1) {
        top: 11px;
        transform: rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        top: 11px;
        transform: rotate(-45deg);
    }

    section {
        padding: 4rem 1.5rem;
    }

    .hero-section {
        padding: 7rem 1.5rem 4rem;
    }

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

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.8rem;
    }

    .stat-item {
        padding: 0.8rem;
    }

    .stat-number {
        font-size: 1.3rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .footer-legal {
        text-align: center;
    }

    .contact-section .contact-box {
        padding: 2rem 1.5rem;
    }
}