/*
Theme Name: 부산 집수리교육
Theme URI: https://busan.hzibs.com
Author: 행집사
Author URI: https://hzibs.com
Description: 부산 집수리교육 전문 테마 - 집수리 창업 교육 및 전문가 양성 프로그램
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: busan-jibsuri
Tags: education, corporate, modern, cosmic, responsive, custom-colors
*/

/* ========================================
   CSS VARIABLES - COSMIC COLOR SCHEME
   ======================================== */
:root {
    /* Primary Colors - Cosmic Theme */
    --primary-bg: #0f0a29;
    --secondary-bg: #1a1040;
    --tertiary-bg: #251650;

    /* Accent Colors */
    --accent-cyan: #00d4ff;
    --accent-purple: #8b5cf6;
    --accent-pink: #ff6b9d;
    --accent-orange: #ff7a00;
    --accent-gold: #ffd700;
    --accent-emerald: #10b981;

    /* Text Colors */
    --text-white: #ffffff;
    --text-light: #e0e7ff;
    --text-gray: #94a3b8;
    --text-dark: #1e293b;

    /* Deep Blue - Trust/Professional */
    --deep-blue: #1e3a5f;
    --deep-blue-light: #2d4a6f;

    /* Gradient Colors */
    --gradient-cosmic: linear-gradient(135deg, #0f0a29 0%, #1a1040 50%, #251650 100%);
    --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #8b5cf6 100%);
    --gradient-warm: linear-gradient(135deg, #ff7a00 0%, #ff6b9d 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;

    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 212, 255, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 212, 255, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 212, 255, 0.2);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.4);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Typography */
    --font-primary: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --font-display: 'Pretendard', 'Noto Sans KR', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: var(--primary-bg);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

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

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

/* ========================================
   LAYOUT CONTAINERS
   ======================================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    color: var(--text-gray);
    font-size: 1.1rem;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
    color: var(--text-white);
}

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

.btn-secondary:hover {
    background: var(--accent-cyan);
    color: var(--primary-bg);
}

.btn-cta {
    background: var(--gradient-warm);
    color: var(--text-white);
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    box-shadow: 0 10px 40px rgba(255, 122, 0, 0.3);
    animation: pulse-btn 2s infinite;
}

@keyframes pulse-btn {
    0%, 100% { box-shadow: 0 10px 40px rgba(255, 122, 0, 0.3); }
    50% { box-shadow: 0 15px 50px rgba(255, 122, 0, 0.5); }
}

.btn-cta:hover {
    transform: translateY(-5px) scale(1.02);
    animation: none;
    box-shadow: 0 20px 60px rgba(255, 122, 0, 0.5);
    color: var(--text-white);
}

/* ========================================
   CARDS
   ======================================== */
.card {
    background: linear-gradient(135deg, rgba(26, 16, 64, 0.8) 0%, rgba(15, 10, 41, 0.9) 100%);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-lg);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 0 20px var(--accent-cyan));
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--text-gray);
}

/* ========================================
   COURSE CARDS - SPECIAL STYLING
   ======================================== */
.course-card {
    background: var(--gradient-cosmic);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 2px;
    background: var(--gradient-accent);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    -webkit-mask-composite: xor;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.course-card.featured {
    transform: scale(1.05);
    z-index: 2;
}

.course-card.featured::before {
    opacity: 1;
    background: var(--gradient-warm);
}

.course-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--accent-orange);
    color: var(--text-white);
    padding: 5px 40px;
    font-size: 0.75rem;
    font-weight: 700;
    transform: rotate(45deg);
}

.course-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.course-price {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.course-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.course-features li {
    padding: var(--spacing-xs) 0;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.course-features li::before {
    content: '✓';
    color: var(--accent-emerald);
    font-weight: bold;
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 10, 41, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    transition: all var(--transition-normal);
}

.site-header.scrolled {
    background: rgba(15, 10, 41, 0.98);
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.site-logo img {
    height: 50px;
    width: auto;
}

.site-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    list-style: none;
}

.main-nav a {
    color: var(--text-light);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.1);
}

.header-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-white);
    transition: var(--transition-fast);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-cosmic);
}

.hero-stars {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.8), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.9), transparent),
        radial-gradient(2px 2px at 160px 120px, rgba(255,255,255,0.5), transparent);
    background-repeat: repeat;
    background-size: 200px 200px;
    animation: twinkle 4s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: var(--accent-cyan);
    top: -150px;
    left: -150px;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-purple);
    bottom: -100px;
    right: -100px;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(50px, -50px); }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-xl);
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-xl);
    color: var(--accent-cyan);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 10px rgba(0, 212, 255, 0.3); }
    50% { box-shadow: 0 0 30px rgba(0, 212, 255, 0.5); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-title-gradient {
    background: linear-gradient(180deg, #fff 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.5));
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat-label {
    color: var(--text-gray);
    font-size: 0.875rem;
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
    background: var(--secondary-bg);
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-col h4 {
    color: var(--text-white);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: var(--spacing-xs);
}

.footer-col a {
    color: var(--text-gray);
    transition: var(--transition-fast);
}

.footer-col a:hover {
    color: var(--accent-cyan);
    padding-left: 5px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-gray);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-copyright {
    color: var(--text-gray);
    font-size: 0.875rem;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    color: var(--accent-cyan);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--accent-cyan);
    color: var(--primary-bg);
    transform: translateY(-3px);
}

/* ========================================
   PARALLAX SLIDER
   ======================================== */
.parallax-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.slider-container {
    display: flex;
    height: 100%;
    transition: transform 0.5s ease-out;
}

.slide {
    min-width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.1);
}

.slide-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    padding: var(--spacing-xl);
}

.slider-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 20;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: 2px solid var(--accent-cyan);
    cursor: pointer;
    transition: var(--transition-fast);
}

.slider-dot.active {
    background: var(--accent-cyan);
    box-shadow: 0 0 20px var(--accent-cyan);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(0, 212, 255, 0.2);
    border: 2px solid var(--accent-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 20;
    color: var(--accent-cyan);
    font-size: 1.5rem;
    transition: var(--transition-fast);
}

.slider-arrow:hover {
    background: var(--accent-cyan);
    color: var(--primary-bg);
}

.slider-arrow.prev { left: 30px; }
.slider-arrow.next { right: 30px; }

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    .header-inner {
        padding: var(--spacing-sm);
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--secondary-bg);
        border-top: 1px solid rgba(0, 212, 255, 0.1);
        padding: var(--spacing-md);
    }

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

    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .menu-toggle {
        display: flex;
    }

    .hero-stats {
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }

    .section {
        padding: var(--spacing-xl) 0;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .course-card.featured {
        transform: none;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .slider-arrow {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-content {
        padding: var(--spacing-md);
    }

    .hero-stat-number {
        font-size: 2rem;
    }

    .hero-stats {
        gap: var(--spacing-md);
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.py-1 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-2 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-3 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-4 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }

.d-flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

.hidden { display: none !important; }
.visible { display: block !important; }

/* Animation Utilities */
.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.slide-up {
    animation: slideUp 0.6s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}