/* ============================================
   네모맨 · 공간f5 웹사이트 — 공통 스타일
   ============================================ */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

/* ---- CSS Variables ---- */
:root {
    --primary: #2A4CDB;
    --primary-dark: #1E3BB8;
    --accent: #F5B301;
    --accent-dark: #E0A300;
    --ink: #14183A;
    --ink-light: #2A3050;
    --bg: #F6F6F4;
    --white: #FFFFFF;
    --light-blue: #E8EDFF;
    --light-yellow: #FFF8E1;
    --gray: #8B8FA3;
    --gray-light: #C5C8D4;
    --border: #E2E2DF;
    --success: #22C55E;
    --danger: #EF4444;
    --shadow-sm: 0 1px 3px rgba(20,24,58,0.08);
    --shadow: 0 4px 20px rgba(20,24,58,0.10);
    --shadow-lg: 0 8px 40px rgba(20,24,58,0.15);
    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

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

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

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, select, textarea {
    font-family: inherit;
    outline: none;
}

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

.section {
    padding: 80px 0;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--ink);
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.3;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    text-align: center;
    margin-bottom: 48px;
}

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

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 700;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(42,76,219,0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(42,76,219,0.4);
}

.btn-accent {
    background: var(--accent);
    color: var(--ink);
    box-shadow: 0 4px 16px rgba(245,179,1,0.3);
}

.btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}

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

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

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

.btn-white:hover {
    background: var(--light-blue);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1.1rem;
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* ---- Cards ---- */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

/* ---- Tags ---- */
.tag {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
}

.tag-primary {
    background: var(--light-blue);
    color: var(--primary);
}

.tag-accent {
    background: var(--light-yellow);
    color: var(--accent-dark);
}

/* ---- Forms ---- */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--ink);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: var(--white);
    transition: border-color 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary);
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%238B8FA3' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

/* ---- Checkbox / Radio ---- */
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.checkbox-group:hover {
    border-color: var(--primary);
    background: var(--light-blue);
}

.checkbox-group input[type="checkbox"],
.checkbox-group input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-group.checked {
    border-color: var(--primary);
    background: var(--light-blue);
}

/* ---- Header ---- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(246,246,244,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226,226,223,0.5);
    transition: all 0.3s ease;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--ink);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 900;
}

.logo span {
    color: var(--primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav a {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ink-light);
    transition: color 0.2s ease;
    position: relative;
}

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

.nav a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.phone-link {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    color: var(--primary);
    font-size: 0.95rem;
}

.phone-link svg {
    width: 18px;
    height: 18px;
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ---- Floating CTA ---- */
.floating-cta {
    position: fixed;
    right: 20px;
    bottom: 100px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.floating-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    position: relative;
}

.floating-btn:hover {
    transform: scale(1.1);
}

.floating-btn svg {
    width: 24px;
    height: 24px;
}

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

.floating-btn.accent {
    background: var(--accent);
    color: var(--ink);
}

.floating-btn.phone {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.floating-btn .tooltip {
    position: absolute;
    right: 68px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--ink);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.floating-btn:hover .tooltip {
    opacity: 1;
}

/* ---- Footer ---- */
.footer {
    background: var(--ink);
    color: var(--gray-light);
    padding: 60px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    color: var(--white);
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand .logo-icon {
    background: var(--primary);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--gray-light);
    max-width: 300px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-light);
    margin-bottom: 10px;
    transition: color 0.2s ease;
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--gray);
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .header-actions .btn {
        display: none;
    }

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

@media (max-width: 768px) {
    .section {
        padding: 56px 0;
    }

    .container {
        padding: 0 20px;
    }

    .header-inner {
        height: 64px;
    }

    .floating-cta {
        right: 12px;
        bottom: 80px;
    }

    .floating-btn {
        width: 48px;
        height: 48px;
    }

    .floating-btn svg {
        width: 20px;
        height: 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

/* ---- Mobile Menu Panel ---- */
.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    z-index: 999;
    padding: 24px;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
}

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

.mobile-menu a {
    padding: 16px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    transition: background 0.2s ease;
}

.mobile-menu a:hover {
    background: var(--light-blue);
}

.mobile-menu .btn {
    margin-top: 16px;
    justify-content: center;
}