/* ============================================
   zerostaff - 무인 매장 토탈 솔루션
   Main Stylesheet
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --zs-primary: #2563EB;
    --zs-primary-dark: #1D4ED8;
    --zs-primary-light: #3B82F6;
    --zs-secondary: #0F172A;
    --zs-accent: #F59E0B;
    --zs-accent-light: #FBBF24;
    --zs-text-dark: #1E293B;
    --zs-text-gray: #64748B;
    --zs-text-light: #94A3B8;
    --zs-bg-white: #FFFFFF;
    --zs-bg-light: #F8FAFC;
    --zs-bg-section: #F1F5F9;
    --zs-bg-dark: #0F172A;
    --zs-border: #E2E8F0;
    --zs-gradient-1: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
    --zs-gradient-2: linear-gradient(135deg, #0F172A 0%, #1E3A5F 100%);
    --zs-shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --zs-shadow-md: 0 4px 14px rgba(0,0,0,0.1);
    --zs-shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --zs-radius: 12px;
    --zs-radius-lg: 20px;
    --zs-transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body.zs24-body {
    font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--zs-text-dark);
    background: var(--zs-bg-white);
    line-height: 1.7;
    overflow-x: hidden;
}

.zs24-body a {
    text-decoration: none;
    color: inherit;
    transition: var(--zs-transition);
}

.zs24-body a:hover {
    color: var(--zs-primary);
}

.zs24-body img {
    max-width: 100%;
    height: auto;
}

/* ---------- Navbar ---------- */
.zs-navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    padding: 16px 0;
    transition: var(--zs-transition);
    background: transparent;
}

.zs-navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: var(--zs-shadow-sm);
    padding: 10px 0;
}

.zs-navbar .navbar-brand {
    font-size: 1.6rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
}

.zs-navbar .navbar-brand span {
    color: var(--zs-accent);
}

.zs-navbar.scrolled .navbar-brand {
    color: var(--zs-secondary);
}

.zs-navbar .nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 16px !important;
    border-radius: 8px;
    transition: var(--zs-transition);
}

.zs-navbar .nav-link:hover,
.zs-navbar .nav-link.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
}

.zs-navbar.scrolled .nav-link {
    color: var(--zs-text-dark);
}

.zs-navbar.scrolled .nav-link:hover,
.zs-navbar.scrolled .nav-link.active {
    color: var(--zs-primary);
    background: rgba(37, 99, 235, 0.08);
}

.zs-nav-auth .btn {
    font-size: 0.85rem;
    padding: 6px 14px;
    border-radius: 8px;
    font-weight: 500;
}

.zs-nav-auth .btn-zs-login {
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: transparent;
}

.zs-nav-auth .btn-zs-login:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.zs-nav-auth .btn-zs-register {
    background: var(--zs-accent);
    color: var(--zs-secondary);
    border: 1px solid var(--zs-accent);
}

.zs-nav-auth .btn-zs-register:hover {
    background: var(--zs-accent-light);
}

.zs-nav-auth .btn-zs-find {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
}

.zs-navbar.scrolled .btn-zs-login {
    color: var(--zs-text-dark);
    border-color: var(--zs-border);
}

.zs-navbar.scrolled .btn-zs-login:hover {
    background: var(--zs-bg-light);
    color: var(--zs-primary);
}

.zs-navbar.scrolled .btn-zs-find {
    color: var(--zs-text-gray);
}

/* Admin Button */
.zs-nav-auth .btn-zs-admin {
    color: #fff;
    background: var(--zs-accent);
    border: 1px solid var(--zs-accent);
    font-weight: 600;
}

.zs-nav-auth .btn-zs-admin:hover {
    background: var(--zs-accent-light);
    color: var(--zs-secondary);
}

.zs-navbar.scrolled .btn-zs-admin {
    background: var(--zs-accent);
    color: #fff;
    border-color: var(--zs-accent);
}

.zs-navbar.scrolled .btn-zs-admin:hover {
    background: var(--zs-accent-light);
    color: var(--zs-secondary);
}

/* Navbar Toggler */
.zs-navbar .navbar-toggler {
    border: none;
    padding: 4px 8px;
}

.zs-navbar .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.zs-navbar.scrolled .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2830, 41, 59, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Logged-in state */
.zs-nav-auth .zs-user-name {
    color: var(--zs-accent);
    font-weight: 600;
    font-size: 0.9rem;
}

.zs-navbar.scrolled .zs-nav-auth .zs-user-name {
    color: var(--zs-primary);
}

/* ---------- Hero Section ---------- */
.zs-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--zs-gradient-2);
    overflow: hidden;
}

.zs-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 60% 80%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.zs-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    z-index: 1;
}

.zs-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.zs-hero-badge {
    display: inline-block;
    background: rgba(245, 158, 11, 0.15);
    color: var(--zs-accent);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.zs-hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.zs-hero h1 .zs-brand-name {
    display: block;
    font-size: 4.5rem;
    background: linear-gradient(135deg, var(--zs-accent) 0%, #F97316 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 8px;
}

.zs-hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 40px;
    line-height: 1.8;
}

.zs-hero .btn-zs-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--zs-accent);
    color: var(--zs-secondary);
    padding: 14px 36px;
    border-radius: 50px;
    font-size: 1.05rem;
    font-weight: 700;
    border: none;
    transition: var(--zs-transition);
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35);
}

.zs-hero .btn-zs-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.45);
    background: var(--zs-accent-light);
}

.zs-hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.5rem;
    animation: zs-bounce 2s ease infinite;
}

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

/* ---------- Section Common ---------- */
.zs-section {
    padding: 100px 0;
}

.zs-section-title {
    text-align: center;
    margin-bottom: 60px;
}

.zs-section-title .zs-label {
    display: inline-block;
    background: rgba(37, 99, 235, 0.08);
    color: var(--zs-primary);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.zs-section-title h2 {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--zs-secondary);
    line-height: 1.4;
    letter-spacing: -0.5px;
}

.zs-section-title p {
    font-size: 1.1rem;
    color: var(--zs-text-gray);
    max-width: 650px;
    margin: 16px auto 0;
}

/* ---------- Service Section (3) ---------- */
.zs-service {
    background: var(--zs-bg-white);
}

.zs-service-flow {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}

.zs-flow-step {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--zs-bg-light);
    border: 1px solid var(--zs-border);
    padding: 16px 24px;
    border-radius: var(--zs-radius);
    transition: var(--zs-transition);
}

.zs-flow-step:hover {
    transform: translateY(-3px);
    box-shadow: var(--zs-shadow-md);
    border-color: var(--zs-primary-light);
}

.zs-flow-step .zs-flow-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--zs-gradient-1);
    color: #fff;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 700;
    flex-shrink: 0;
}

.zs-flow-step .zs-flow-text {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--zs-text-dark);
}

.zs-flow-arrow {
    display: flex;
    align-items: center;
    color: var(--zs-primary-light);
    font-size: 1.2rem;
}

.zs-service-bottom {
    text-align: center;
    margin-top: 50px;
    padding: 30px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
    border-radius: var(--zs-radius-lg);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.zs-service-bottom p {
    font-size: 1.15rem;
    color: var(--zs-text-dark);
    font-weight: 500;
    line-height: 1.8;
}

.zs-service-bottom .zs-highlight {
    color: var(--zs-primary);
    font-weight: 700;
}

/* ---------- Diagram Section (4) ---------- */
.zs-diagram {
    background: var(--zs-bg-section);
}

.zs-diagram-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.zs-diagram-cards .zs-last-row {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 66.66%;
    margin: 0 auto;
}

.zs-dg-card {
    background: var(--zs-bg-white);
    border-radius: var(--zs-radius-lg);
    padding: 40px 30px;
    text-align: center;
    border: 1px solid var(--zs-border);
    transition: var(--zs-transition);
    position: relative;
    overflow: hidden;
}

.zs-dg-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--zs-gradient-1);
    opacity: 0;
    transition: var(--zs-transition);
}

.zs-dg-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--zs-shadow-lg);
}

.zs-dg-card:hover::before {
    opacity: 1;
}

.zs-dg-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 20px;
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.zs-dg-icon.icon-reservation {
    background: rgba(37, 99, 235, 0.1);
    color: var(--zs-primary);
}

.zs-dg-icon.icon-sms {
    background: rgba(16, 185, 129, 0.1);
    color: #10B981;
}

.zs-dg-icon.icon-cctv {
    background: rgba(239, 68, 68, 0.1);
    color: #EF4444;
}

.zs-dg-icon.icon-iot {
    background: rgba(124, 58, 237, 0.1);
    color: #7C3AED;
}

.zs-dg-icon.icon-dashboard {
    background: rgba(245, 158, 11, 0.1);
    color: var(--zs-accent);
}

.zs-dg-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--zs-secondary);
    margin-bottom: 12px;
}

.zs-dg-card p {
    font-size: 0.95rem;
    color: var(--zs-text-gray);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ---------- Features Section (5) ---------- */
.zs-features {
    background: var(--zs-bg-white);
}

.zs-ft-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: var(--zs-radius-lg);
    transition: var(--zs-transition);
    border: 1px solid transparent;
}

.zs-ft-card:hover {
    background: var(--zs-bg-light);
    border-color: var(--zs-border);
    transform: translateY(-4px);
}

.zs-ft-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 24px;
    font-size: 2rem;
    background: var(--zs-gradient-1);
    color: #fff;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
}

.zs-ft-card:nth-child(2) .zs-ft-icon {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.25);
}

.zs-ft-card:nth-child(3) .zs-ft-icon {
    background: linear-gradient(135deg, #7C3AED 0%, #6D28D9 100%);
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.25);
}

.zs-ft-card:nth-child(4) .zs-ft-icon {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.25);
}

.zs-ft-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--zs-secondary);
    margin-bottom: 14px;
}

.zs-ft-card p {
    font-size: 0.95rem;
    color: var(--zs-text-gray);
    line-height: 1.7;
}

/* ---------- Footer ---------- */
.zs-footer {
    background: var(--zs-bg-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 50px 0 30px;
    font-size: 0.88rem;
    line-height: 1.8;
}

.zs-footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 24px;
}

.zs-footer-brand {
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
}

.zs-footer-brand span {
    color: var(--zs-accent);
}

.zs-footer-links a {
    color: rgba(255, 255, 255, 0.7);
    margin-right: 20px;
    font-weight: 500;
    transition: var(--zs-transition);
}

.zs-footer-links a:hover {
    color: var(--zs-accent);
}

.zs-footer-links a.zs-privacy {
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
}

.zs-footer-info {
    flex: 1;
}

.zs-footer-info p {
    margin-bottom: 4px;
}

.zs-footer-info strong {
    color: rgba(255, 255, 255, 0.85);
}

.zs-footer-bottom {
    text-align: center;
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.82rem;
}

/* ---------- Auth Pages (로그인/회원가입/아이디찾기) ---------- */
.zs-auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0F172A 0%, #1E3A5F 50%, #0F172A 100%);
    padding: 120px 0 60px;
}

.zs-auth-card {
    background: var(--zs-bg-white);
    border-radius: var(--zs-radius-lg);
    box-shadow: var(--zs-shadow-lg);
    padding: 48px 40px;
    max-width: 560px;
    width: 100%;
    margin: 0 auto;
}

.zs-auth-card.zs-auth-card-sm {
    max-width: 460px;
}

.zs-auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.zs-auth-logo {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--zs-secondary);
    margin-bottom: 16px;
    text-decoration: none;
}

.zs-auth-logo span {
    color: var(--zs-accent);
}

.zs-auth-logo:hover {
    color: var(--zs-secondary);
}

.zs-auth-header h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--zs-secondary);
    margin-bottom: 8px;
}

.zs-auth-header p {
    font-size: 0.9rem;
    color: var(--zs-text-gray);
}

/* Form Elements */
.zs-form-group {
    margin-bottom: 20px;
}

.zs-form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--zs-text-dark);
    margin-bottom: 8px;
}

.zs-form-group label i {
    width: 18px;
    text-align: center;
    color: var(--zs-primary);
    margin-right: 4px;
}

.zs-form-group label .required {
    color: #EF4444;
    font-weight: 700;
}

.zs-form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
    color: var(--zs-text-dark);
    background: var(--zs-bg-light);
    border: 1px solid var(--zs-border);
    border-radius: 10px;
    transition: var(--zs-transition);
    outline: none;
}

.zs-form-control:focus {
    border-color: var(--zs-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.zs-form-control::placeholder {
    color: var(--zs-text-light);
}

/* Input with Button (중복확인) */
.zs-input-with-btn {
    display: flex;
    gap: 8px;
}

.zs-input-with-btn .zs-form-control {
    flex: 1;
}

.btn-zs-check {
    padding: 12px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    background: var(--zs-primary);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--zs-transition);
}

.btn-zs-check:hover {
    background: var(--zs-primary-dark);
}

/* Form Messages */
.zs-form-msg {
    display: block;
    font-size: 0.8rem;
    margin-top: 6px;
    min-height: 18px;
}

.zs-form-msg.success {
    color: #10B981;
}

.zs-form-msg.error {
    color: #EF4444;
}

.zs-form-hint {
    display: block;
    font-size: 0.78rem;
    color: var(--zs-text-light);
    margin-top: 6px;
}

/* Submit Button */
.zs-form-actions {
    margin-top: 28px;
}

.btn-zs-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    background: var(--zs-gradient-1);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--zs-transition);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-zs-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

/* Auth Links */
.zs-auth-links {
    text-align: center;
    margin-top: 24px;
    font-size: 0.9rem;
    color: var(--zs-text-gray);
}

.zs-auth-links a {
    color: var(--zs-primary);
    font-weight: 600;
}

.zs-auth-links a:hover {
    text-decoration: underline;
}

.zs-auth-links .divider {
    margin: 0 12px;
    color: var(--zs-border);
}

/* Find ID Tabs */
.zs-find-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}

.zs-tab-btn {
    flex: 1;
    padding: 12px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--zs-text-gray);
    background: var(--zs-bg-light);
    border: 1px solid var(--zs-border);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--zs-transition);
}

.zs-tab-btn.active {
    color: var(--zs-primary);
    background: rgba(37, 99, 235, 0.08);
    border-color: var(--zs-primary);
}

.zs-tab-btn:hover {
    background: rgba(37, 99, 235, 0.05);
}

/* Find Result */
.zs-find-result {
    text-align: center;
    padding: 32px 16px;
}

.zs-find-icon {
    font-size: 3rem;
    color: #10B981;
    margin-bottom: 16px;
}

.zs-find-icon.error {
    color: #EF4444;
}

.zs-find-result p {
    font-size: 1rem;
    color: var(--zs-text-gray);
    margin-bottom: 12px;
}

.zs-found-id {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--zs-primary);
    letter-spacing: 2px;
}

/* Auth Responsive */
@media (max-width: 575.98px) {
    .zs-auth-wrapper {
        padding: 100px 16px 40px;
    }

    .zs-auth-card {
        padding: 32px 24px;
    }

    .zs-input-with-btn {
        flex-direction: column;
    }

    .btn-zs-check {
        width: 100%;
    }

    .zs-find-tabs {
        flex-direction: column;
    }
}

/* ---------- Scroll Animations ---------- */
.zs-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.zs-fade-up:nth-child(2) { transition-delay: 0.1s; }
.zs-fade-up:nth-child(3) { transition-delay: 0.2s; }
.zs-fade-up:nth-child(4) { transition-delay: 0.3s; }
.zs-fade-up:nth-child(5) { transition-delay: 0.4s; }

/* ---------- Responsive ---------- */

/* Tablet */
@media (max-width: 991.98px) {
    .zs-hero h1 {
        font-size: 2.4rem;
    }

    .zs-hero h1 .zs-brand-name {
        font-size: 3.2rem;
    }

    .zs-section {
        padding: 70px 0;
    }

    .zs-section-title h2 {
        font-size: 2rem;
    }

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

    .zs-diagram-cards .zs-last-row {
        grid-template-columns: 1fr;
        max-width: 50%;
    }

    .zs-footer-top {
        flex-direction: column;
        gap: 24px;
    }

    .zs-nav-auth {
        margin-top: 12px;
    }
}

/* Mobile */
@media (max-width: 767.98px) {
    .zs-hero {
        min-height: 90vh;
        padding: 120px 0 60px;
    }

    .zs-hero h1 {
        font-size: 1.8rem;
    }

    .zs-hero h1 .zs-brand-name {
        font-size: 2.4rem;
    }

    .zs-hero-subtitle {
        font-size: 1rem;
    }

    .zs-section {
        padding: 50px 0;
    }

    .zs-section-title {
        margin-bottom: 36px;
    }

    .zs-section-title h2 {
        font-size: 1.6rem;
    }

    .zs-flow-step {
        width: 100%;
    }

    .zs-flow-arrow {
        transform: rotate(90deg);
    }

    .zs-diagram-cards {
        grid-template-columns: 1fr;
    }

    .zs-diagram-cards .zs-last-row {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .zs-dg-card {
        padding: 30px 20px;
    }

    .zs-ft-card {
        padding: 24px 16px;
    }

    .zs-footer-links a {
        display: block;
        margin-bottom: 8px;
    }

    .zs-navbar .navbar-collapse {
        background: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(12px);
        border-radius: var(--zs-radius);
        padding: 16px;
        margin-top: 12px;
    }

    .zs-navbar.scrolled .navbar-collapse {
        background: rgba(255, 255, 255, 0.98);
    }
}

/* Small Mobile */
@media (max-width: 575.98px) {
    .zs-hero h1 {
        font-size: 1.5rem;
    }

    .zs-hero h1 .zs-brand-name {
        font-size: 2rem;
    }

    .zs-hero .btn-zs-cta {
        padding: 12px 28px;
        font-size: 0.95rem;
    }

    .zs-section-title h2 {
        font-size: 1.4rem;
    }
}

/* ============================================
   Policy Pages (개인정보처리방침 / 이용약관)
   & Agree Page (약관 동의)
   ============================================ */

/* ---------- Policy Standalone Pages ---------- */
.zs-policy-wrapper {
    padding: 120px 0 60px;
    background: var(--zs-bg-light);
    min-height: 100vh;
}

.zs-policy-card {
    background: var(--zs-bg-white);
    border-radius: var(--zs-radius-lg);
    box-shadow: var(--zs-shadow-md);
    max-width: 900px;
    margin: 0 auto;
    padding: 48px 48px;
}

.zs-policy-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--zs-bg-section);
}

.zs-policy-header h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--zs-secondary);
    margin-bottom: 8px;
}

.zs-policy-header h1 i {
    color: var(--zs-primary);
    margin-right: 8px;
}

.zs-policy-date {
    font-size: 0.88rem;
    color: var(--zs-text-gray);
}

/* Policy Body */
.zs-policy-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--zs-secondary);
    margin: 32px 0 12px;
    padding-left: 12px;
    border-left: 3px solid var(--zs-primary);
}

.zs-policy-body p {
    font-size: 0.92rem;
    color: var(--zs-text-dark);
    line-height: 1.8;
    margin-bottom: 12px;
}

.zs-policy-body ol,
.zs-policy-body ul {
    padding-left: 24px;
    margin-bottom: 16px;
}

.zs-policy-body li {
    font-size: 0.9rem;
    color: var(--zs-text-dark);
    line-height: 1.8;
    margin-bottom: 6px;
}

.zs-policy-body li strong {
    color: var(--zs-secondary);
}

.zs-policy-body ul li {
    list-style-type: disc;
}

/* Policy Table */
.zs-policy-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0 24px;
    font-size: 0.88rem;
}

.zs-policy-table th,
.zs-policy-table td {
    border: 1px solid var(--zs-border);
    padding: 12px 16px;
    text-align: left;
}

.zs-policy-table th {
    background: var(--zs-bg-section);
    font-weight: 600;
    color: var(--zs-secondary);
}

.zs-policy-table td {
    color: var(--zs-text-dark);
}

/* Policy Info Box */
.zs-policy-infobox {
    background: var(--zs-bg-light);
    border: 1px solid var(--zs-border);
    border-radius: var(--zs-radius);
    padding: 20px 24px;
    margin: 16px 0;
}

.zs-policy-infobox p {
    margin-bottom: 8px;
}

.zs-policy-infobox ul {
    margin-bottom: 0;
}

.zs-policy-effective {
    font-size: 0.85rem;
    color: var(--zs-text-light);
    font-style: italic;
    margin-top: 16px;
}

/* ---------- Agree Page (약관 동의) ---------- */
.zs-agree-card {
    max-width: 760px;
}

.zs-agree-all {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.06) 0%, rgba(124, 58, 237, 0.06) 100%);
    border: 2px solid rgba(37, 99, 235, 0.15);
    border-radius: var(--zs-radius);
    padding: 20px 24px;
    margin-bottom: 24px;
}

.zs-agree-all-desc {
    font-size: 0.82rem;
    color: var(--zs-text-gray);
    margin: 6px 0 0 32px;
}

/* Custom Checkbox */
.zs-checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    font-size: 0.95rem;
    color: var(--zs-text-dark);
}

.zs-checkbox-label input[type="checkbox"] {
    display: none;
}

.zs-checkbox-custom {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border: 2px solid var(--zs-border);
    border-radius: 6px;
    transition: var(--zs-transition);
    flex-shrink: 0;
    background: #fff;
}

.zs-checkbox-label input[type="checkbox"]:checked + .zs-checkbox-custom {
    background: var(--zs-primary);
    border-color: var(--zs-primary);
}

.zs-checkbox-label input[type="checkbox"]:checked + .zs-checkbox-custom::after {
    content: '✓';
    color: #fff;
    font-size: 13px;
    font-weight: 700;
}

/* Agree Section */
.zs-agree-section {
    border: 1px solid var(--zs-border);
    border-radius: var(--zs-radius);
    margin-bottom: 16px;
    overflow: hidden;
}

.zs-agree-section-header {
    padding: 16px 20px;
    background: var(--zs-bg-light);
    border-bottom: 1px solid var(--zs-border);
}

.zs-agree-content {
    max-height: 240px;
    overflow-y: auto;
    padding: 20px 24px;
    font-size: 0.85rem;
    line-height: 1.75;
    color: var(--zs-text-dark);
}

.zs-agree-content h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--zs-secondary);
    margin: 20px 0 8px;
}

.zs-agree-content h4:first-child {
    margin-top: 0;
}

.zs-agree-content p {
    margin-bottom: 8px;
    font-size: 0.85rem;
}

.zs-agree-content ol,
.zs-agree-content ul {
    padding-left: 20px;
    margin-bottom: 12px;
}

.zs-agree-content li {
    font-size: 0.83rem;
    line-height: 1.7;
    margin-bottom: 4px;
}

/* Scrollbar in agree content */
.zs-agree-content::-webkit-scrollbar {
    width: 6px;
}

.zs-agree-content::-webkit-scrollbar-track {
    background: var(--zs-bg-light);
}

.zs-agree-content::-webkit-scrollbar-thumb {
    background: var(--zs-border);
    border-radius: 3px;
}

.zs-agree-content::-webkit-scrollbar-thumb:hover {
    background: var(--zs-text-light);
}

/* Disabled submit button */
.btn-zs-submit.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* ===========================================================
   SERVICE PAGE (page/service.php)
   =========================================================== */

/* Sub-page Hero */
.zs-hero-sub {
    min-height: 52vh;
}

.zs-hero-sub .zs-hero-content h1 {
    font-size: 2.2rem;
}

.zs-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 20px;
}

/* 6-Step Mini Flow */
.zs-svc-mini-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 48px;
}

.zs-svc-mini-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    background: #fff;
    border: 2px solid var(--zs-border);
    border-radius: 16px;
    padding: 18px 20px;
    min-width: 110px;
    transition: all 0.3s ease;
    font-size: 0.82rem;
    color: var(--zs-text);
    text-align: center;
    line-height: 1.4;
}

.zs-svc-mini-step:hover {
    border-color: var(--zs-primary);
    color: var(--zs-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(37,99,235,0.15);
}

.zs-svc-mini-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--zs-primary);
    color: #fff;
    font-weight: 800;
    font-size: 0.85rem;
}

.zs-svc-mini-arrow {
    color: var(--zs-text-light);
    font-size: 0.75rem;
}

/* Service Sections Backgrounds */
.zs-svc-section {
    padding: 100px 0;
}

.zs-svc-white {
    background: #fff;
}

.zs-svc-gray {
    background: var(--zs-bg-section);
}

.zs-svc-dark {
    background: linear-gradient(135deg, #111827 0%, #1E293B 100%);
}

/* Step Label */
.zs-svc-step-label {
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--zs-primary);
    margin-bottom: 12px;
    text-transform: uppercase;
}

/* Title */
.zs-svc-title {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--zs-text);
    margin-bottom: 18px;
    line-height: 1.35;
}

/* Description */
.zs-svc-desc {
    font-size: 1rem;
    color: var(--zs-text-light);
    line-height: 1.8;
    margin-bottom: 30px;
}

/* Visual Block */
.zs-svc-visual {
    position: relative;
    background: var(--zs-bg-section);
    border-radius: 24px;
    padding: 48px 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
    border: 1px solid var(--zs-border);
}

.zs-svc-visual-dark {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.1);
}

.zs-svc-visual-icon {
    width: 90px;
    height: 90px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: #fff;
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
}

.zs-svc-visual-badge {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--zs-text-light);
    opacity: 0.4;
}

.zs-svc-visual-items {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.zs-svc-visual-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    background: #fff;
    border-radius: 14px;
    padding: 16px 18px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--zs-text);
    min-width: 120px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: transform 0.3s ease;
}

.zs-svc-visual-dark .zs-svc-visual-item {
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.85);
    box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}

.zs-svc-visual-item:hover {
    transform: translateY(-3px);
}

.zs-svc-visual-item i {
    font-size: 1.3rem;
    color: var(--zs-primary);
}

.zs-svc-visual-dark .zs-svc-visual-item i {
    color: var(--zs-accent);
}

/* Advantages Block */
.zs-svc-advantages {
    background: #F0F7FF;
    border: 1px solid #DBEAFE;
    border-radius: 16px;
    padding: 24px;
    overflow: hidden;
}

.zs-svc-adv-dark {
    background: rgba(37,99,235,0.1);
    border-color: rgba(37,99,235,0.2);
}

.zs-svc-adv-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--zs-primary);
    margin-bottom: 16px;
}

.zs-svc-adv-dark .zs-svc-adv-header {
    color: var(--zs-accent);
}

.zs-svc-adv-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.zs-svc-adv-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--zs-text);
}

.zs-svc-adv-dark .zs-svc-adv-list li {
    color: rgba(255,255,255,0.8);
}

.zs-svc-adv-list li i {
    flex-shrink: 0;
    margin-top: 4px;
    color: var(--zs-primary);
    font-size: 0.8rem;
}

.zs-svc-adv-dark .zs-svc-adv-list li i {
    color: var(--zs-accent);
}

.zs-svc-adv-list li strong {
    color: var(--zs-primary);
    font-weight: 700;
}

.zs-svc-adv-dark .zs-svc-adv-list li strong {
    color: #93C5FD;
}

/* Service Page Responsive */
@media (max-width: 991.98px) {
    .zs-svc-section {
        padding: 72px 0;
    }

    .zs-svc-title {
        font-size: 1.55rem;
    }

    .zs-svc-visual {
        padding: 36px 24px;
    }

    .zs-svc-visual-icon {
        width: 72px;
        height: 72px;
        font-size: 1.8rem;
    }
}

@media (max-width: 767.98px) {
    .zs-hero-sub {
        min-height: 40vh;
    }

    .zs-hero-sub .zs-hero-content h1 {
        font-size: 1.6rem;
    }

    .zs-svc-mini-flow {
        gap: 8px;
    }

    .zs-svc-mini-step {
        min-width: 85px;
        padding: 12px 10px;
        font-size: 0.72rem;
    }

    .zs-svc-mini-num {
        width: 26px;
        height: 26px;
        font-size: 0.75rem;
    }

    .zs-svc-mini-arrow {
        display: none;
    }

    .zs-svc-section {
        padding: 56px 0;
    }

    .zs-svc-title {
        font-size: 1.35rem;
    }

    .zs-svc-visual-items {
        gap: 10px;
    }

    .zs-svc-visual-item {
        min-width: 100px;
        padding: 12px 14px;
        font-size: 0.78rem;
    }

    .zs-svc-advantages {
        padding: 20px 16px;
    }
}

@media (max-width: 575.98px) {
    .zs-hero-sub {
        min-height: 35vh;
    }

    .zs-svc-mini-step {
        min-width: 75px;
        padding: 10px 8px;
        font-size: 0.68rem;
        border-radius: 12px;
    }

    .zs-svc-visual {
        padding: 28px 16px;
        border-radius: 16px;
    }

    .zs-svc-visual-item {
        min-width: 90px;
        font-size: 0.72rem;
        padding: 10px 12px;
    }
}


/* ===========================================================
   PRICING PAGE (page/pricing.php)
   — 컴팩트 중앙 정렬 + 가격표 카드 + 인터랙티브 시뮬레이터
   =========================================================== */

/* Container: 너무 넓지 않게 중앙 정렬 */
.zs-prc-container {
    max-width: 780px;
    margin: 0 auto;
}

.zs-prc-section {
    background: #fff;
    padding-bottom: 40px;
}

/* Price Card */
.zs-prc-card {
    background: #fff;
    border: 1px solid var(--zs-border);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 28px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.04);
    transition: box-shadow 0.3s ease;
}

.zs-prc-card:hover {
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}

.zs-prc-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 28px;
    color: #fff;
}

.zs-prc-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.zs-prc-card-num {
    display: block;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 2px;
    opacity: 0.7;
    margin-bottom: 2px;
}

.zs-prc-card-header h3 {
    font-size: 1.15rem;
    font-weight: 800;
    margin: 0;
}

.zs-prc-card-body {
    padding: 0 28px 24px;
}

/* Price Table */
.zs-prc-table {
    width: 100%;
    border-collapse: collapse;
}

.zs-prc-table tr {
    border-bottom: 1px solid #F1F5F9;
}

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

.zs-prc-table td {
    padding: 16px 0;
    vertical-align: middle;
}

.zs-prc-item-name {
    font-size: 0.92rem;
    color: var(--zs-text);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.zs-prc-item-name i {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: #F1F5F9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--zs-primary);
    flex-shrink: 0;
}

.zs-prc-item-price {
    text-align: right;
    white-space: nowrap;
    font-size: 0.95rem;
    color: var(--zs-text);
}

.zs-prc-item-price strong {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--zs-primary);
}

.zs-prc-unit {
    font-size: 0.78rem;
    color: var(--zs-text-light);
    margin-left: 2px;
}

.zs-prc-free {
    display: inline-block;
    background: #ECFDF5;
    color: #059669;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
}

.zs-prc-badge-save {
    display: inline-block;
    background: #FEF3C7;
    color: #92400E;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 6px;
    margin-left: 8px;
}

/* Sub row (설명 행) */
.zs-prc-item-sub {
    border-bottom: 1px solid #F8FAFC !important;
}

.zs-prc-item-sub td {
    padding: 0 0 14px 38px;
    font-size: 0.8rem;
    color: var(--zs-text-light);
    line-height: 1.6;
}

/* Note box */
.zs-prc-note {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 16px;
    padding: 14px 18px;
    background: #F0F7FF;
    border: 1px solid #DBEAFE;
    border-radius: 12px;
    font-size: 0.82rem;
    color: var(--zs-text-light);
    line-height: 1.6;
}

.zs-prc-note i {
    flex-shrink: 0;
    color: var(--zs-primary);
    font-size: 0.9rem;
    margin-top: 2px;
}

/* ===== Simulator Section ===== */
.zs-prc-sim-section {
    background: var(--zs-bg-section);
    padding-bottom: 60px;
}

.zs-prc-sim-card {
    background: #fff;
    border: 1px solid var(--zs-border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.zs-prc-sim-body {
    padding: 8px 0;
}

/* Simulator Row */
.zs-prc-sim-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 16px;
    padding: 18px 28px;
    border-bottom: 1px solid #F1F5F9;
    transition: background 0.2s ease;
}

.zs-prc-sim-row:last-child {
    border-bottom: none;
}

.zs-prc-sim-row:hover {
    background: #F8FAFC;
}

.zs-prc-sim-label {
    display: flex;
    align-items: center;
    gap: 14px;
}

.zs-prc-sim-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: #fff;
    flex-shrink: 0;
}

.zs-prc-sim-label strong {
    display: block;
    font-size: 0.9rem;
    color: var(--zs-text);
    font-weight: 700;
    margin-bottom: 2px;
}

.zs-prc-sim-label span {
    font-size: 0.76rem;
    color: var(--zs-text-light);
}

/* Qty controls */
.zs-prc-sim-input {
    display: flex;
    align-items: center;
    gap: 6px;
}

.zs-prc-qty-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--zs-border);
    border-radius: 8px;
    background: #fff;
    color: var(--zs-text);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    line-height: 1;
}

.zs-prc-qty-btn:hover {
    background: var(--zs-primary);
    border-color: var(--zs-primary);
    color: #fff;
}

.zs-prc-sim-input input[type="number"] {
    width: 44px;
    height: 32px;
    text-align: center;
    border: 1px solid var(--zs-border);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--zs-text);
    background: #F8FAFC;
    -moz-appearance: textfield;
    appearance: textfield;
}

.zs-prc-sim-input input[type="number"]::-webkit-outer-spin-button,
.zs-prc-sim-input input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    appearance: none;
}

.zs-prc-qty-unit {
    font-size: 0.78rem;
    color: var(--zs-text-light);
    min-width: 16px;
}

/* Toggle switch */
.zs-prc-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.zs-prc-toggle input {
    display: none;
}

.zs-prc-toggle-slider {
    width: 42px;
    height: 24px;
    border-radius: 12px;
    background: #CBD5E1;
    position: relative;
    transition: background 0.3s ease;
    flex-shrink: 0;
}

.zs-prc-toggle-slider::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
}

.zs-prc-toggle input:checked + .zs-prc-toggle-slider {
    background: var(--zs-primary);
}

.zs-prc-toggle input:checked + .zs-prc-toggle-slider::before {
    transform: translateX(18px);
}

.zs-prc-toggle-text {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--zs-text-light);
}

/* Select dropdown */
.zs-prc-sim-input select {
    height: 36px;
    padding: 0 32px 0 12px;
    border: 1px solid var(--zs-border);
    border-radius: 10px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--zs-text);
    background: #F8FAFC url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%2394A3B8'/%3E%3C/svg%3E") no-repeat right 10px center;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
    transition: border-color 0.2s;
}

.zs-prc-sim-input select:focus {
    outline: none;
    border-color: var(--zs-primary);
}

/* Auto text */
.zs-prc-sim-auto {
    font-size: 0.78rem;
    color: var(--zs-text-light);
    font-style: italic;
}

/* Subtotal */
.zs-prc-sim-subtotal {
    font-size: 0.92rem;
    font-weight: 800;
    color: var(--zs-primary);
    text-align: right;
    min-width: 80px;
}

/* Result Block */
.zs-prc-sim-result {
    background: linear-gradient(135deg, #0F172A, #1E293B);
    padding: 32px 28px;
}

.zs-prc-sim-result-inner {
    margin-bottom: 24px;
}

.zs-prc-sim-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.zs-prc-sim-result-row span {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    display: flex;
    align-items: center;
    gap: 8px;
}

.zs-prc-sim-result-row span i {
    font-size: 0.8rem;
}

.zs-prc-sim-result-row strong {
    font-size: 1.1rem;
    font-weight: 800;
    color: #fff;
}

.zs-prc-sim-result-divider {
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin: 12px 0;
}

.zs-prc-sim-result-total {
    text-align: center;
    padding: 16px 0 0;
}

.zs-prc-sim-result-total span {
    display: block;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.5);
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 8px;
}

.zs-prc-sim-result-total strong {
    display: block;
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--zs-accent);
    line-height: 1;
    margin-bottom: 8px;
}

.zs-prc-sim-result-total small {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.4);
}

.zs-prc-sim-result-actions {
    max-width: 320px;
    margin: 0 auto;
}

/* Footer Info */
.zs-prc-footer-info {
    background: #fff;
    border: 1px solid var(--zs-border);
    border-radius: 20px;
    padding: 32px 36px;
}

.zs-prc-footer-info h4 {
    font-size: 1rem;
    font-weight: 800;
    color: var(--zs-text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.zs-prc-footer-info h4 i {
    color: var(--zs-accent);
}

.zs-prc-footer-info ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.zs-prc-footer-info li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 10px;
    font-size: 0.88rem;
    color: var(--zs-text-light);
    line-height: 1.65;
}

.zs-prc-footer-info li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--zs-primary);
    font-weight: 700;
}

.zs-prc-footer-info li strong {
    color: var(--zs-text);
}

/* Pricing Page Responsive */
@media (max-width: 767.98px) {
    .zs-prc-container {
        max-width: 100%;
    }

    .zs-prc-card-header {
        padding: 20px 20px;
    }

    .zs-prc-card-body {
        padding: 0 20px 20px;
    }

    .zs-prc-card-header h3 {
        font-size: 1.02rem;
    }

    .zs-prc-sim-row {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 16px 20px;
    }

    .zs-prc-sim-subtotal {
        text-align: left;
        padding-left: 50px;
    }

    .zs-prc-sim-result {
        padding: 24px 20px;
    }

    .zs-prc-sim-result-total strong {
        font-size: 1.8rem;
    }

    .zs-prc-footer-info {
        padding: 24px 20px;
    }

    .zs-prc-item-name {
        font-size: 0.85rem;
    }

    .zs-prc-item-sub td {
        padding-left: 0;
    }
}

@media (max-width: 575.98px) {
    .zs-prc-card-header {
        padding: 16px 16px;
        gap: 12px;
    }

    .zs-prc-card-icon {
        width: 38px;
        height: 38px;
        font-size: 1rem;
    }

    .zs-prc-card-header h3 {
        font-size: 0.92rem;
    }

    .zs-prc-card-body {
        padding: 0 16px 16px;
    }

    .zs-prc-table td {
        padding: 12px 0;
    }

    .zs-prc-item-price strong {
        font-size: 0.95rem;
    }

    .zs-prc-sim-row {
        padding: 14px 16px;
    }

    .zs-prc-sim-icon {
        width: 30px;
        height: 30px;
        font-size: 0.78rem;
        border-radius: 8px;
    }

    .zs-prc-sim-label strong {
        font-size: 0.82rem;
    }

    .zs-prc-sim-subtotal {
        padding-left: 44px;
        font-size: 0.85rem;
    }
}


/* ===========================================================
   INSTALL PAGE (page/install.php)
   — 수직 타임라인 + 체크리스트 디자인
   =========================================================== */

/* Overview Cards Row */
.zs-inst-overview {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-top: 48px;
    flex-wrap: wrap;
}

.zs-inst-ov-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--zs-border);
    border-radius: 20px;
    padding: 36px 28px 28px;
    text-align: center;
    min-width: 180px;
    max-width: 220px;
    flex: 1;
    transition: all 0.3s ease;
}

.zs-inst-ov-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.1);
    border-color: var(--zs-primary);
}

.zs-inst-ov-num {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--zs-text);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 4px 14px;
    border-radius: 20px;
    letter-spacing: 1px;
}

.zs-inst-ov-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #fff;
    margin: 0 auto 16px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.zs-inst-ov-card h4 {
    font-size: 0.92rem;
    font-weight: 800;
    color: var(--zs-text);
    margin-bottom: 6px;
    line-height: 1.4;
}

.zs-inst-ov-card p {
    font-size: 0.78rem;
    color: var(--zs-text-light);
    margin: 0;
    line-height: 1.5;
}

.zs-inst-ov-connector {
    color: var(--zs-text-light);
    font-size: 0.85rem;
    padding: 0 12px;
    opacity: 0.4;
}

/* Timeline Section */
.zs-inst-timeline-section {
    background: var(--zs-bg-section);
    padding: 80px 0 60px;
}

/* Timeline Container */
.zs-inst-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 48px;
}

/* Vertical line */
.zs-inst-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #03C75A, #2563EB, #F59E0B, #7C3AED);
    border-radius: 3px;
}

/* Timeline Item */
.zs-inst-tl-item {
    position: relative;
    margin-bottom: 48px;
}

/* Dot on the timeline */
.zs-inst-tl-dot {
    position: absolute;
    left: -41px;
    top: 28px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    z-index: 2;
}

/* Card */
.zs-inst-tl-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
    border: 1px solid var(--zs-border);
    transition: all 0.3s ease;
}

.zs-inst-tl-card:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.1);
    transform: translateY(-3px);
}

/* Card Header */
.zs-inst-tl-header {
    padding: 28px 32px 24px;
    color: #fff;
}

.zs-inst-tl-step {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 3px;
    opacity: 0.7;
    margin-bottom: 8px;
}

.zs-inst-tl-header h3 {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.zs-inst-tl-header h3 i {
    font-size: 1.1rem;
    opacity: 0.8;
}

.zs-inst-tl-header p {
    font-size: 0.9rem;
    opacity: 0.85;
    margin: 0;
    line-height: 1.6;
}

/* Card Body */
.zs-inst-tl-body {
    padding: 28px 32px 32px;
}

/* Checklist */
.zs-inst-checklist {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.zs-inst-checklist li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.zs-inst-check-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: #03C75A;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    margin-top: 2px;
}

.zs-inst-check-content strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--zs-text);
    margin-bottom: 4px;
}

.zs-inst-check-content span {
    font-size: 0.85rem;
    color: var(--zs-text-light);
    line-height: 1.6;
}

/* Notice box */
.zs-inst-notice {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 20px;
    padding: 16px 20px;
    background: #FFF7ED;
    border: 1px solid #FDBA74;
    border-radius: 12px;
    font-size: 0.85rem;
    color: #92400E;
    line-height: 1.6;
}

.zs-inst-notice i {
    flex-shrink: 0;
    font-size: 1rem;
    margin-top: 2px;
    color: #F59E0B;
}

/* Timeline End Marker */
.zs-inst-tl-end {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 0 0;
    position: relative;
}

.zs-inst-tl-end-dot {
    position: absolute;
    left: -48px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10B981, #059669);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    box-shadow: 0 0 0 6px rgba(16,185,129,0.2);
}

.zs-inst-tl-end span {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--zs-primary);
}

/* Bottom Highlights */
.zs-inst-highlights {
    display: flex;
    gap: 32px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.zs-inst-hl-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.zs-inst-hl-item i {
    font-size: 1.3rem;
    color: var(--zs-accent);
}

.zs-inst-hl-item strong {
    display: block;
    font-size: 1.2rem;
    font-weight: 800;
    color: #fff;
}

.zs-inst-hl-item span {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.5);
}

/* CTA Box */
.zs-inst-cta-box {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 24px;
    padding: 40px 32px;
    text-align: center;
}

.zs-inst-cta-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--zs-accent), #D97706);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    margin: 0 auto 20px;
    box-shadow: 0 8px 24px rgba(245,158,11,0.3);
}

.zs-inst-cta-box h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
}

.zs-inst-cta-box p {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.6);
    margin-bottom: 24px;
    line-height: 1.6;
}

/* Install Page Responsive */
@media (max-width: 991.98px) {
    .zs-inst-ov-card {
        min-width: 150px;
        padding: 30px 20px 22px;
    }

    .zs-inst-ov-card h4 {
        font-size: 0.82rem;
    }

    .zs-inst-tl-header h3 {
        font-size: 1.2rem;
    }
}

@media (max-width: 767.98px) {
    .zs-inst-overview {
        gap: 16px;
    }

    .zs-inst-ov-connector {
        display: none;
    }

    .zs-inst-ov-card {
        min-width: 130px;
        max-width: 160px;
        padding: 28px 14px 18px;
    }

    .zs-inst-ov-icon {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
        border-radius: 12px;
    }

    .zs-inst-timeline {
        padding-left: 40px;
    }

    .zs-inst-timeline::before {
        left: 11px;
    }

    .zs-inst-tl-dot {
        left: -36px;
        width: 14px;
        height: 14px;
    }

    .zs-inst-tl-header {
        padding: 22px 20px 18px;
    }

    .zs-inst-tl-header h3 {
        font-size: 1.1rem;
    }

    .zs-inst-tl-body {
        padding: 22px 20px 24px;
    }

    .zs-inst-tl-end-dot {
        left: -43px;
        width: 26px;
        height: 26px;
        font-size: 0.75rem;
    }

    .zs-inst-highlights {
        gap: 20px;
    }

    .zs-inst-cta-box {
        padding: 28px 20px;
        margin-top: 24px;
    }
}

@media (max-width: 575.98px) {
    .zs-inst-overview {
        gap: 12px;
    }

    .zs-inst-ov-card {
        min-width: 110px;
        max-width: 140px;
        padding: 24px 10px 14px;
    }

    .zs-inst-ov-card h4 {
        font-size: 0.75rem;
    }

    .zs-inst-ov-card p {
        font-size: 0.68rem;
    }

    .zs-inst-timeline {
        padding-left: 32px;
    }

    .zs-inst-timeline::before {
        left: 8px;
        width: 2px;
    }

    .zs-inst-tl-dot {
        left: -29px;
        width: 12px;
        height: 12px;
    }

    .zs-inst-tl-card {
        border-radius: 14px;
    }

    .zs-inst-tl-header {
        padding: 18px 16px 14px;
    }

    .zs-inst-tl-header h3 {
        font-size: 0.98rem;
        gap: 6px;
    }

    .zs-inst-tl-header h3 i {
        font-size: 0.9rem;
    }

    .zs-inst-tl-header p {
        font-size: 0.82rem;
    }

    .zs-inst-tl-body {
        padding: 18px 16px 20px;
    }

    .zs-inst-checklist {
        gap: 16px;
    }

    .zs-inst-check-icon {
        width: 26px;
        height: 26px;
        border-radius: 8px;
        font-size: 0.65rem;
    }

    .zs-inst-check-content strong {
        font-size: 0.88rem;
    }

    .zs-inst-check-content span {
        font-size: 0.8rem;
    }

    .zs-inst-tl-end-dot {
        left: -35px;
    }
}


/* ===========================================================
   PHILOSOPHY PAGE (page/philosophy.php)
   =========================================================== */

/* 5-Value Mini Flow */
.zs-phil-mini-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 48px;
}

.zs-phil-mini-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--zs-text);
    transition: all 0.3s ease;
}

.zs-phil-mini-item:hover {
    transform: translateY(-6px);
    color: var(--zs-primary);
}

.zs-phil-mini-icon {
    width: 64px;
    height: 64px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.zs-phil-mini-item:hover .zs-phil-mini-icon {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(0,0,0,0.2);
}

.zs-phil-mini-item span {
    font-size: 0.9rem;
    font-weight: 700;
}

/* Philosophy Sections */
.zs-phil-section {
    padding: 100px 0;
}

.zs-phil-white {
    background: #fff;
}

.zs-phil-gray {
    background: var(--zs-bg-section);
}

.zs-phil-dark {
    background: linear-gradient(135deg, #111827 0%, #1E293B 100%);
}

/* Visual Block */
.zs-phil-visual {
    position: relative;
    background: var(--zs-bg-section);
    border-radius: 28px;
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    border: 1px solid var(--zs-border);
    text-align: center;
    overflow: hidden;
}

.zs-phil-visual-dark {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.1);
}

.zs-phil-visual-icon {
    width: 100px;
    height: 100px;
    border-radius: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.6rem;
    color: #fff;
    box-shadow: 0 16px 40px rgba(0,0,0,0.15);
    position: relative;
    z-index: 1;
}

.zs-phil-visual-num {
    font-size: 7rem;
    font-weight: 900;
    color: rgba(0,0,0,0.03);
    line-height: 1;
    position: absolute;
    bottom: 10px;
    right: 20px;
}

.zs-phil-visual-dark .zs-phil-visual-num {
    color: rgba(255,255,255,0.04);
}

.zs-phil-visual-keyword {
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: rgba(0,0,0,0.08);
}

.zs-phil-visual-dark .zs-phil-visual-keyword {
    color: rgba(255,255,255,0.06);
}

/* Value Label */
.zs-phil-value-label {
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 3px;
    margin-bottom: 12px;
    text-transform: uppercase;
}

/* Title */
.zs-phil-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--zs-text);
    margin-bottom: 0;
    line-height: 1.35;
}

.zs-phil-title-en {
    font-size: 1rem;
    font-weight: 500;
    color: var(--zs-text-light);
    margin-left: 8px;
}

/* Divider */
.zs-phil-divider {
    height: 3px;
    width: 60px;
    border-radius: 3px;
    margin: 20px 0 24px;
}

/* Description */
.zs-phil-desc {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--zs-text);
    line-height: 1.7;
    margin-bottom: 12px;
}

.zs-phil-detail {
    font-size: 0.98rem;
    color: var(--zs-text-light);
    line-height: 1.85;
    margin-bottom: 28px;
}

/* Quote */
.zs-phil-quote {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: #F0F7FF;
    border-left: 4px solid var(--zs-primary);
    border-radius: 0 12px 12px 0;
    padding: 20px 24px;
    font-size: 0.95rem;
    font-style: italic;
    color: var(--zs-text);
    line-height: 1.65;
}

.zs-phil-quote i {
    color: var(--zs-primary);
    font-size: 1.1rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.zs-phil-quote-dark {
    background: rgba(37,99,235,0.1);
    border-left-color: var(--zs-accent);
    color: rgba(255,255,255,0.85);
}

.zs-phil-quote-dark i {
    color: var(--zs-accent);
}

/* Summary Cards */
.zs-phil-sum-card {
    background: #fff;
    border: 1px solid var(--zs-border);
    border-radius: 20px;
    padding: 28px 16px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    height: 100%;
}

.zs-phil-sum-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
    border-color: var(--zs-primary);
}

.zs-phil-sum-icon {
    font-size: 1.8rem;
    margin-bottom: 4px;
}

.zs-phil-sum-card strong {
    font-size: 1rem;
    color: var(--zs-text);
}

.zs-phil-sum-card span {
    font-size: 0.82rem;
    color: var(--zs-text-light);
}

/* Philosophy Page Responsive */
@media (max-width: 991.98px) {
    .zs-phil-section {
        padding: 72px 0;
    }

    .zs-phil-title {
        font-size: 1.65rem;
    }

    .zs-phil-visual {
        padding: 44px 28px;
    }

    .zs-phil-visual-icon {
        width: 80px;
        height: 80px;
        font-size: 2.1rem;
    }
}

@media (max-width: 767.98px) {
    .zs-phil-mini-flow {
        gap: 16px;
    }

    .zs-phil-mini-icon {
        width: 52px;
        height: 52px;
        font-size: 1.2rem;
        border-radius: 16px;
    }

    .zs-phil-mini-item span {
        font-size: 0.78rem;
    }

    .zs-phil-section {
        padding: 56px 0;
    }

    .zs-phil-title {
        font-size: 1.4rem;
    }

    .zs-phil-title-en {
        display: block;
        margin-left: 0;
        margin-top: 4px;
        font-size: 0.88rem;
    }

    .zs-phil-visual {
        padding: 36px 20px;
        border-radius: 20px;
    }

    .zs-phil-visual-num {
        font-size: 5rem;
    }

    .zs-phil-desc {
        font-size: 1.05rem;
    }

    .zs-phil-quote {
        padding: 16px 18px;
        font-size: 0.88rem;
    }
}

@media (max-width: 575.98px) {
    .zs-phil-mini-flow {
        gap: 12px;
    }

    .zs-phil-mini-icon {
        width: 44px;
        height: 44px;
        font-size: 1rem;
        border-radius: 14px;
    }

    .zs-phil-visual-icon {
        width: 68px;
        height: 68px;
        font-size: 1.8rem;
    }

    .zs-phil-sum-card {
        padding: 20px 12px;
    }
}


/* Agree Page Responsive */
@media (max-width: 767.98px) {
    .zs-policy-card {
        padding: 28px 20px;
    }

    .zs-policy-header h1 {
        font-size: 1.4rem;
    }

    .zs-agree-content {
        max-height: 180px;
        padding: 16px;
    }
}

@media (max-width: 575.98px) {
    .zs-policy-wrapper {
        padding: 100px 12px 40px;
    }

    .zs-policy-card {
        padding: 24px 16px;
    }

    .zs-agree-all {
        padding: 16px;
    }
}