/* ==========================================
   Solmind IT - Main Stylesheet
   /var/www/solmindit.com/public/assets/css/style.css
   ========================================== */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --sol-gold: #C8A84E;
  --sol-gold-light: #E8D5A0;
  --sol-deep: #1A1A2E;
  --sol-navy: #16213E;
  --sol-mid: #0F3460;
  --sol-accent: #E94560;
  --sol-bg: #0D0D1A;
  --sol-card: rgba(22, 33, 62, 0.55);
  --sol-card-hover: rgba(22, 33, 62, 0.85);
  --sol-text: #E8E8F0;
  --sol-text-muted: #8892A8;
  --sol-border: rgba(200, 168, 78, 0.18);
  --sol-border-strong: rgba(200, 168, 78, 0.4);
  --sol-glow: rgba(200, 168, 78, 0.12);
  --radius: 14px;
  --radius-sm: 8px;
  --max-w: 1140px;
  --shadow-soft: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-hover: 0 8px 40px rgba(200,168,78,0.15);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--sol-bg);
  color: var(--sol-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 배경 그라데이션 효과 */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(200, 168, 78, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(15, 52, 96, 0.3) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(22, 33, 62, 0.15) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}

a { color: var(--sol-gold-light); text-decoration: none; transition: color .2s; }
a:hover { color: var(--sol-gold); }

button { font-family: inherit; cursor: pointer; }

/* ========== NAV ========== */
nav.top-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(13, 13, 26, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--sol-border);
  transition: box-shadow .3s;
}
nav.top-nav.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.5); }

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
}

.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--sol-gold);
  letter-spacing: -.5px;
}
.nav-logo .dot { color: var(--sol-text-muted); }

.nav-menu { display: flex; gap: 28px; align-items: center; }
.nav-menu a {
  color: var(--sol-text-muted);
  font-size: .92rem;
  font-weight: 500;
  transition: color .2s;
}
.nav-menu a:hover { color: var(--sol-gold-light); }

.nav-auth { display: flex; gap: 12px; align-items: center; }
.nav-auth .btn-ghost {
  font-size: .88rem; padding: 8px 16px;
  color: var(--sol-text-muted);
  background: transparent; border: 1px solid var(--sol-border);
  border-radius: var(--radius-sm);
}
.nav-auth .btn-ghost:hover { color: var(--sol-gold); border-color: var(--sol-border-strong); }

.nav-auth .btn-primary {
  font-size: .88rem; padding: 8px 18px;
  color: var(--sol-deep);
  background: linear-gradient(135deg, var(--sol-gold), var(--sol-gold-light));
  border: none; border-radius: var(--radius-sm);
  font-weight: 600;
}
.nav-auth .btn-primary:hover { filter: brightness(1.1); }

.nav-mobile-toggle {
  display: none;
  background: transparent; border: none;
  color: var(--sol-text); font-size: 1.5rem;
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 120px 24px 80px;
  position: relative;
  text-align: center;
}
.hero-content { max-width: 820px; }
.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3rem, 7vw, 5.2rem);
  font-weight: 700;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--sol-gold) 0%, var(--sol-gold-light) 50%, #fff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .tagline {
  font-size: 1.2rem;
  color: var(--sol-gold-light);
  font-weight: 300;
  letter-spacing: 3px;
  margin-bottom: 36px;
  text-transform: uppercase;
}
.hero .description {
  font-size: 1.08rem;
  color: var(--sol-text-muted);
  max-width: 640px;
  margin: 0 auto 48px;
  line-height: 1.9;
}
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-hero-primary {
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--sol-gold), var(--sol-gold-light));
  color: var(--sol-deep);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  transition: transform .2s, box-shadow .2s;
}
.btn-hero-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-hero-ghost {
  padding: 14px 32px;
  background: transparent;
  color: var(--sol-gold-light);
  border: 1px solid var(--sol-border-strong);
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: .95rem;
  transition: all .2s;
}
.btn-hero-ghost:hover { background: var(--sol-glow); color: var(--sol-gold); }

/* ========== SECTION ========== */
section.page-section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 100px 24px;
  scroll-margin-top: 80px;
}
.section-head {
  margin-bottom: 56px;
  text-align: center;
}
.section-eyebrow {
  color: var(--sol-gold);
  font-size: .82rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 500;
}
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 600;
  color: var(--sol-text);
  margin-bottom: 12px;
  letter-spacing: -1px;
}
.section-subtitle {
  color: var(--sol-text-muted);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ========== CARD ========== */
.card {
  background: var(--sol-card);
  border: 1px solid var(--sol-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all .3s;
  backdrop-filter: blur(10px);
}
.card:hover {
  border-color: var(--sol-border-strong);
  background: var(--sol-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

/* About / Vision / CEO 텍스트 섹션 */
.prose-section {
  max-width: 780px; margin: 0 auto;
  background: var(--sol-card);
  border: 1px solid var(--sol-border);
  border-radius: var(--radius);
  padding: 48px 40px;
  backdrop-filter: blur(10px);
}
.prose-section .prose-body {
  color: var(--sol-text);
  font-size: 1.02rem;
  line-height: 2;
  white-space: pre-wrap;
}
.prose-section .prose-body strong {
  color: var(--sol-gold);
  font-weight: 600;
}

/* Services grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.service-card {
  position: relative; display: block;
  padding: 28px 24px;
  background: var(--sol-card);
  border: 1px solid var(--sol-border);
  border-radius: var(--radius);
  transition: all .3s;
  color: var(--sol-text);
  backdrop-filter: blur(8px);
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--sol-gold), transparent);
  opacity: 0; transition: opacity .3s;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--sol-border-strong);
  box-shadow: var(--shadow-hover);
}
.service-card:hover::before { opacity: 1; }

.service-icon { font-size: 2.2rem; margin-bottom: 14px; }
.service-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--sol-gold-light);
  margin-bottom: 8px;
}
.service-desc {
  color: var(--sol-text-muted);
  font-size: .92rem;
  line-height: 1.6;
}
.service-badge {
  position: absolute; top: 14px; right: 14px;
  font-size: .68rem;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 500;
}
.service-badge.active {
  background: rgba(76, 175, 80, 0.15);
  color: #7FD188;
  border: 1px solid rgba(76, 175, 80, 0.3);
}
.service-badge.preparing {
  background: rgba(255, 167, 38, 0.15);
  color: #FFB74D;
  border: 1px solid rgba(255, 167, 38, 0.3);
}

/* Board */
.board-wrapper {
  background: var(--sol-card);
  border: 1px solid var(--sol-border);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(8px);
}
.board-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--sol-border);
}
.board-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.board-table thead th {
  text-align: left;
  padding: 14px 12px;
  color: var(--sol-text-muted);
  font-weight: 500;
  font-size: .82rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--sol-border);
}
.board-table tbody tr {
  border-bottom: 1px solid rgba(200, 168, 78, 0.08);
  transition: background .2s;
}
.board-table tbody tr:hover { background: rgba(200, 168, 78, 0.04); }
.board-table tbody td { padding: 14px 12px; }
.board-table .col-title { color: var(--sol-text); }
.board-table .col-title a { color: var(--sol-text); }
.board-table .col-title a:hover { color: var(--sol-gold); }
.board-table .col-meta { color: var(--sol-text-muted); font-size: .85rem; }
.notice-badge {
  display: inline-block;
  background: var(--sol-accent);
  color: #fff;
  padding: 2px 8px; border-radius: 4px;
  font-size: .7rem; font-weight: 600;
  margin-right: 6px;
}
.comment-count {
  color: var(--sol-gold);
  font-size: .82rem;
  margin-left: 6px;
}

/* FAQ */
.faq-wrapper { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--sol-card);
  border: 1px solid var(--sol-border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  backdrop-filter: blur(8px);
  transition: border-color .2s;
}
.faq-item.open { border-color: var(--sol-border-strong); }
.faq-question {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  user-select: none;
  transition: background .2s;
}
.faq-question:hover { background: rgba(200, 168, 78, 0.04); }
.faq-question .q-text {
  font-size: 1rem; font-weight: 500; color: var(--sol-text);
  display: flex; gap: 12px; align-items: center;
}
.faq-category {
  font-size: .72rem;
  background: var(--sol-glow);
  color: var(--sol-gold);
  padding: 2px 10px;
  border-radius: 20px;
  letter-spacing: 1px;
}
.faq-icon {
  color: var(--sol-gold);
  transition: transform .3s;
  font-size: 1.2rem;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  padding: 0 24px;
}
.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px;
}
.faq-answer-body {
  color: var(--sol-text-muted);
  line-height: 1.8;
  font-size: .95rem;
  white-space: pre-wrap;
  border-top: 1px solid var(--sol-border);
  padding-top: 16px;
}

/* ========== FOOTER ========== */
footer.site-footer {
  background: var(--sol-deep);
  border-top: 1px solid var(--sol-border);
  padding: 60px 24px 30px;
  margin-top: 80px;
}
.footer-inner { max-width: var(--max-w); margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem; color: var(--sol-gold);
  margin-bottom: 10px;
}
.footer-brand p { color: var(--sol-text-muted); font-size: .92rem; max-width: 320px; }
.footer-col h4 {
  color: var(--sol-gold-light);
  font-size: .82rem; letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--sol-text-muted); font-size: .9rem; }
.footer-col a:hover { color: var(--sol-gold); }

.footer-bottom {
  border-top: 1px solid var(--sol-border);
  padding-top: 24px;
  color: var(--sol-text-muted);
  font-size: .82rem;
  line-height: 1.8;
}
.footer-bottom .biz-info {
  display: flex; flex-wrap: wrap; gap: 16px;
  margin-bottom: 8px;
}
.footer-bottom .biz-info span {
  padding-right: 16px;
  border-right: 1px solid var(--sol-border);
}
.footer-bottom .biz-info span:last-child { border-right: none; }

/* ========== BUTTONS (공통) ========== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: .9rem; font-weight: 500;
  border: none; cursor: pointer;
  transition: all .2s;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--sol-gold), var(--sol-gold-light));
  color: var(--sol-deep);
  font-weight: 600;
}
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--sol-gold-light);
  border: 1px solid var(--sol-border-strong);
}
.btn-ghost:hover { background: var(--sol-glow); color: var(--sol-gold); }
.btn-danger {
  background: rgba(233, 69, 96, 0.15);
  color: var(--sol-accent);
  border: 1px solid rgba(233, 69, 96, 0.3);
}
.btn-danger:hover { background: rgba(233, 69, 96, 0.25); }
.btn-sm { padding: 6px 14px; font-size: .82rem; }

/* ========== FORMS ========== */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: .88rem;
  color: var(--sol-gold-light);
  margin-bottom: 8px;
  letter-spacing: .5px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  background: rgba(13, 13, 26, 0.6);
  border: 1px solid var(--sol-border);
  border-radius: var(--radius-sm);
  color: var(--sol-text);
  font-size: .95rem;
  font-family: inherit;
  transition: border-color .2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--sol-gold);
  background: rgba(13, 13, 26, 0.85);
}
.form-group textarea { resize: vertical; min-height: 120px; line-height: 1.7; }
.form-hint { font-size: .82rem; color: var(--sol-text-muted); margin-top: 4px; }

/* ========== TOAST ========== */
.toast {
  position: fixed;
  bottom: 30px; left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--sol-navy);
  color: var(--sol-text);
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--sol-border-strong);
  box-shadow: var(--shadow-hover);
  z-index: 9999;
  transition: transform .3s ease;
  font-size: .92rem;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { border-color: var(--sol-accent); }

/* ========== MODAL ========== */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: none;
  align-items: center; justify-content: center;
  padding: 20px;
}
.modal-backdrop.show { display: flex; }
.modal {
  background: var(--sol-deep);
  border: 1px solid var(--sol-border-strong);
  border-radius: var(--radius);
  padding: 36px;
  max-width: 520px; width: 100%;
  max-height: 90vh; overflow-y: auto;
}
.modal h3 {
  font-family: 'Playfair Display', serif;
  color: var(--sol-gold);
  margin-bottom: 20px;
  font-size: 1.5rem;
}
.modal-close {
  float: right; background: none; border: none;
  color: var(--sol-text-muted); font-size: 1.5rem;
  cursor: pointer;
}

/* ========== LOADING ========== */
.loading {
  text-align: center;
  padding: 60px 20px;
  color: var(--sol-text-muted);
}
.spinner {
  display: inline-block;
  width: 32px; height: 32px;
  border: 2px solid var(--sol-border);
  border-top-color: var(--sol-gold);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ========== 반응형 ========== */
@media (max-width: 860px) {
  .nav-menu { display: none; }
  .nav-mobile-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  section.page-section { padding: 70px 20px; }
  .prose-section { padding: 32px 24px; }
  .board-table thead { display: none; }
  .board-table tbody tr { display: block; padding: 12px 0; }
  .board-table tbody td { display: block; padding: 4px 12px; }
  .board-table .col-title { font-size: 1rem; font-weight: 500; padding: 8px 12px; }
}

/* 모바일 네비 드로어 */
.mobile-drawer {
  position: fixed; top: 68px; left: 0; right: 0;
  background: rgba(13, 13, 26, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--sol-border);
  padding: 20px 24px;
  transform: translateY(-120%);
  transition: transform .3s ease;
  z-index: 99;
}
.mobile-drawer.show { transform: translateY(0); }
.mobile-drawer a {
  display: block;
  padding: 12px 0;
  color: var(--sol-text);
  border-bottom: 1px solid var(--sol-border);
}
.mobile-drawer a:last-child { border-bottom: none; }

/* 유틸 */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }

/* ===== 네비게이션 active 상태 ===== */
.nav-menu a.active {
  color: var(--sol-gold);
  font-weight: 600;
  position: relative;
}
.nav-menu a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -22px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--sol-gold), transparent);
}