/* Brand Solutions Page — Light Theme */

:root {
  --brand-bg: #ffffff;
  --brand-bg-alt: #f8fafc;
  --brand-bg-indigo: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
  --brand-bg-sky: linear-gradient(180deg, #f0f9ff 0%, #e0f2fe 50%, #f0f9ff 100%);
  --brand-text: #1f2937;
  --brand-text-muted: #6b7280;
  --brand-text-dim: #9ca3af;
  --brand-border: #e5e7eb;
  --brand-border-light: #f3f4f6;
  --brand-indigo: #6366f1;
  --brand-violet: #8b5cf6;
  --brand-sky: #0ea5e9;
  --brand-blue: #2563eb;
  --brand-radius: 20px;
  --brand-radius-sm: 12px;
  --brand-radius-xs: 8px;
  --brand-transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --brand-font: 'pretendardRegular', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --brand-max-width: 1200px;
}

.brand-page {
  background: var(--brand-bg);
  color: var(--brand-text);
  font-family: var(--brand-font);
  min-height: 100vh;
  overflow-x: hidden;
  font-weight: 300;
}

.brand-page *, .brand-page *::before, .brand-page *::after { box-sizing: border-box; }

.brand-inner { max-width: var(--brand-max-width); margin: 0 auto; padding: 0 2rem; }
.brand-section-header { text-align: center; margin-bottom: 3.5rem; }

.brand-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.72rem; font-weight: 400; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.35rem 0.9rem; border-radius: 30px; margin-bottom: 1rem;
}
.brand-badge--indigo { color: var(--brand-indigo); background: rgba(99,102,241,0.07); border: 1px solid rgba(99,102,241,0.12); }
.brand-badge--sky { color: var(--brand-sky); background: rgba(14,165,233,0.07); border: 1px solid rgba(14,165,233,0.12); }
.brand-badge-dot { width: 6px; height: 6px; border-radius: 50%; }
.brand-badge-dot--indigo { background: var(--brand-indigo); }
.brand-badge-dot--sky { background: var(--brand-sky); }

.brand-section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-family: 'pretendardMedium', var(--brand-font);
  line-height: 1.3; color: var(--brand-text); word-break: keep-all;
}

.brand-section-sub {
  font-size: clamp(0.95rem, 1.4vw, 1.1rem); font-weight: 300;
  color: var(--brand-text-muted); line-height: 1.7; margin-top: 0.8rem;
  max-width: 680px; margin-left: auto; margin-right: auto;
}

.brand-gradient-indigo {
  background: linear-gradient(135deg, var(--brand-indigo), var(--brand-violet));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.brand-gradient-sky {
  background: linear-gradient(135deg, var(--brand-sky), var(--brand-blue));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ========================================
   HERO
======================================== */
.brand-hero {
  position: relative; min-height: 88vh;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
  background: linear-gradient(160deg, #f8fafc 0%, #eef2ff 40%, #e0e7ff 100%);
}
.brand-hero-orb { position: absolute; border-radius: 50%; pointer-events: none; }
.brand-hero-orb--1 { top: -150px; right: -150px; width: 600px; height: 600px; background: radial-gradient(circle, rgba(99,102,241,0.1) 0%, transparent 70%); }
.brand-hero-orb--2 { bottom: -200px; left: -150px; width: 500px; height: 500px; background: radial-gradient(circle, rgba(139,92,246,0.08) 0%, transparent 70%); }
.brand-hero-content { position: relative; z-index: 2; text-align: center; padding: 0 2rem; max-width: 860px; }
.brand-hero-title {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem); font-family: 'pretendardMedium', var(--brand-font);
  line-height: 1.15; color: var(--brand-text); letter-spacing: -0.01em; margin-bottom: 0.4em;
}
.brand-hero-desc {
  font-size: clamp(0.95rem, 1.6vw, 1.15rem); font-weight: 300;
  color: var(--brand-text-muted); line-height: 1.7; max-width: 560px; margin: 0 auto 2.5rem;
}

.brand-hero-nav { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.brand-hero-nav-card {
  display: inline-flex; align-items: center; gap: 0.8rem; padding: 0.9rem 1.8rem;
  background: #fff; border: 1px solid var(--brand-border); border-radius: var(--brand-radius);
  text-decoration: none; box-shadow: 0 2px 10px rgba(0,0,0,0.05); transition: var(--brand-transition);
}
.brand-hero-nav-card:hover { transform: translateY(-3px); box-shadow: 0 6px 24px rgba(0,0,0,0.08); }
.brand-hero-nav-card:first-child:hover { border-color: rgba(99,102,241,0.35); }
.brand-hero-nav-card:last-child:hover { border-color: rgba(14,165,233,0.35); }

.brand-nav-icon {
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.9rem; font-weight: 500; flex-shrink: 0;
}
.brand-nav-icon--indigo { background: linear-gradient(135deg, var(--brand-indigo), var(--brand-violet)); }
.brand-nav-icon--sky { background: linear-gradient(135deg, var(--brand-sky), var(--brand-blue)); }
.brand-nav-text { text-align: left; }
.brand-nav-name { font-size: 0.95rem; font-family: 'pretendardMedium', var(--brand-font); color: var(--brand-text); }
.brand-nav-tag { font-size: 0.72rem; color: var(--brand-text-dim); font-weight: 300; }

/* ========================================
   NEURALLEAP SECTION
======================================== */
.nl-section { padding: 5rem 0; background: var(--brand-bg); }

/* Problem Box */
.nl-problem-box {
  position: relative;
  background: linear-gradient(135deg, #f9fafb, rgba(238,242,255,0.4));
  border: 1px solid var(--brand-border); border-radius: var(--brand-radius);
  padding: 2.5rem 3rem; margin-bottom: 4rem; overflow: hidden;
}
.nl-problem-quote { position: absolute; top: 1rem; left: 1.5rem; font-size: 3.5rem; font-weight: 400; color: rgba(99,102,241,0.07); line-height: 1; }
.nl-problem-box h3 { position: relative; font-size: clamp(1.2rem, 2.5vw, 1.5rem); font-family: 'pretendardMedium', var(--brand-font); color: var(--brand-text); text-align: center; margin-bottom: 0.8rem; }
.nl-problem-box p { position: relative; font-size: 0.92rem; line-height: 1.8; color: var(--brand-text-muted); text-align: center; max-width: 680px; margin: 0 auto; font-weight: 300; }

/* Comparison Table */
.nl-compare { margin-bottom: 4rem; }
.nl-compare-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 0.8rem; margin-bottom: 0.5rem; }
.nl-compare-cell {
  padding: 0.9rem 1.2rem; font-size: 0.88rem; line-height: 1.5;
  border-radius: 10px; font-weight: 300;
}
.nl-compare-cell--old {
  background: #f3f4f6; border: 1px solid #e5e7eb; color: var(--brand-text-dim);
  text-decoration: line-through; text-decoration-color: #d1d5db;
}
.nl-compare-cell--new {
  background: rgba(238,242,255,0.6); border: 1px solid rgba(99,102,241,0.12);
  color: var(--brand-indigo); font-weight: 400;
}

/* Chat Simulation */
.nl-chat-wrap {
  max-width: 520px; margin: 0 auto 4rem;
  background: linear-gradient(180deg, #f9fafb, #fff);
  border: 1px solid var(--brand-border); border-radius: var(--brand-radius);
  padding: 1.5rem 1.8rem;
}
.nl-chat-header {
  display: flex; align-items: center; gap: 0.5rem;
  padding-bottom: 1rem; border-bottom: 1px solid var(--brand-border-light); margin-bottom: 1.2rem;
}
.nl-chat-header-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand-indigo); }
.nl-chat-header-name { font-size: 0.85rem; font-family: 'pretendardMedium', var(--brand-font); color: var(--brand-text); }
.nl-chat-header-status { margin-left: auto; font-size: 0.72rem; color: #22c55e; font-weight: 300; }
.nl-chat-messages { display: flex; flex-direction: column; gap: 0.9rem; }
.nl-chat-bubble {
  display: flex; gap: 0.6rem; align-items: flex-start;
  opacity: 0; transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.nl-chat-bubble.visible { opacity: 1; transform: translateY(0); }
.nl-chat-avatar {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0; margin-top: 2px;
  background: linear-gradient(135deg, var(--brand-indigo), var(--brand-violet));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.65rem; font-weight: 500;
}
.nl-chat-text {
  background: #fff; border: 1px solid var(--brand-border-light);
  border-radius: 14px; border-top-left-radius: 4px;
  padding: 0.7rem 1rem; max-width: 380px;
  font-size: 0.85rem; line-height: 1.55; color: var(--brand-text); font-weight: 300;
  box-shadow: 0 1px 4px rgba(0,0,0,0.03);
}

/* Feature Tabs (업무/일상) */
.nl-tabs { display: flex; justify-content: center; gap: 0.5rem; margin-bottom: 1.5rem; }
.nl-tab-btn {
  padding: 0.5rem 1.4rem; border-radius: 30px; border: none; cursor: pointer;
  font-size: 0.85rem; font-weight: 400; transition: var(--brand-transition);
  background: #f3f4f6; color: var(--brand-text-muted);
}
.nl-tab-btn.active--work { background: var(--brand-indigo); color: #fff; box-shadow: 0 4px 16px rgba(99,102,241,0.2); }
.nl-tab-btn.active--life { background: var(--brand-violet); color: #fff; box-shadow: 0 4px 16px rgba(139,92,246,0.2); }

.nl-feat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.6rem; margin-bottom: 4rem; }
.nl-feat-item {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 0.8rem 1.1rem; background: #fff; border: 1px solid var(--brand-border);
  border-radius: var(--brand-radius-sm); transition: var(--brand-transition);
  opacity: 0; transform: translateY(8px);
}
.nl-feat-item.visible { opacity: 1; transform: translateY(0); }
.nl-feat-item:hover { border-color: rgba(99,102,241,0.25); box-shadow: 0 3px 12px rgba(99,102,241,0.05); transform: translateY(-2px); }
.nl-feat-icon { font-size: 1.3rem; flex-shrink: 0; }
.nl-feat-label { font-size: 0.85rem; font-weight: 300; color: var(--brand-text); }

/* Differentiator Cards */
.nl-diff-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-bottom: 4rem; }
.nl-diff-card {
  position: relative; background: #fff; border: 1px solid var(--brand-border);
  border-radius: var(--brand-radius); padding: 1.8rem; overflow: hidden;
  transition: var(--brand-transition);
  opacity: 0; transform: translateY(16px);
}
.nl-diff-card.visible { opacity: 1; transform: translateY(0); }
.nl-diff-card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.06); transform: translateY(-3px); }
.nl-diff-card-line {
  position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  opacity: 0; transition: opacity 0.3s;
}
.nl-diff-card:hover .nl-diff-card-line { opacity: 1; }
.nl-diff-num {
  width: 32px; height: 32px; border-radius: var(--brand-radius-xs);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.75rem; font-weight: 500; margin-bottom: 0.8rem;
}
.nl-diff-title { font-size: 1rem; font-family: 'pretendardMedium', var(--brand-font); color: var(--brand-text); margin-bottom: 0.4rem; }
.nl-diff-desc { font-size: 0.85rem; line-height: 1.65; color: var(--brand-text-muted); font-weight: 300; }

/* CTA */
.nl-cta { text-align: center; padding: 1.5rem 0 2rem; }
.nl-cta .brand-btn-indigo {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.9rem 2.2rem; font-size: 0.95rem; font-weight: 400; color: #fff;
  background: linear-gradient(135deg, var(--brand-indigo), var(--brand-violet));
  border: none; border-radius: var(--brand-radius-sm); text-decoration: none; cursor: pointer;
  box-shadow: 0 4px 18px rgba(99,102,241,0.2); transition: var(--brand-transition);
}
.nl-cta .brand-btn-indigo:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(99,102,241,0.3); }

/* ========================================
   MONOVISION 3D SECTION
======================================== */
.mv-section { padding: 5rem 0; background: var(--brand-bg-sky); }

.mv-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 4rem; }
.mv-stat-card {
  background: #fff; border: 1px solid rgba(14,165,233,0.1); border-radius: var(--brand-radius);
  padding: 1.8rem 1.2rem; text-align: center; box-shadow: 0 2px 10px rgba(0,0,0,0.03);
  transition: var(--brand-transition); opacity: 0; transform: scale(0.95);
}
.mv-stat-card.visible { opacity: 1; transform: scale(1); }
.mv-stat-card:hover { transform: translateY(-3px); box-shadow: 0 6px 24px rgba(14,165,233,0.08); }
.mv-stat-value {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem); font-weight: 400;
  background: linear-gradient(135deg, var(--brand-sky), var(--brand-blue));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.mv-stat-label { font-size: 0.82rem; color: var(--brand-text-muted); margin-top: 0.3rem; font-weight: 300; }

.mv-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-bottom: 4rem; }
.mv-compare-old { background: rgba(255,255,255,0.5); border: 1px solid #e5e7eb; border-radius: var(--brand-radius); padding: 1.8rem; }
.mv-compare-new { background: #fff; border: 2px solid rgba(14,165,233,0.25); border-radius: var(--brand-radius); padding: 1.8rem; box-shadow: 0 6px 24px rgba(14,165,233,0.06); }
.mv-compare-badge { display: inline-flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem; }
.mv-compare-icon { width: 30px; height: 30px; border-radius: var(--brand-radius-xs); display: flex; align-items: center; justify-content: center; font-size: 0.7rem; font-weight: 500; }
.mv-compare-icon--old { background: #e5e7eb; color: var(--brand-text-muted); }
.mv-compare-icon--new { background: linear-gradient(135deg, var(--brand-sky), var(--brand-blue)); color: #fff; }
.mv-compare-badge span:last-child { font-weight: 400; }
.mv-compare-old .mv-compare-badge span:last-child { color: var(--brand-text-dim); }
.mv-compare-new .mv-compare-badge span:last-child { color: var(--brand-sky); }
.mv-compare-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.7rem; }
.mv-compare-list li { display: flex; align-items: flex-start; gap: 0.5rem; font-size: 0.88rem; line-height: 1.5; font-weight: 300; }
.mv-compare-old .mv-compare-list li { color: var(--brand-text-dim); }
.mv-compare-new .mv-compare-list li { color: var(--brand-text); }
.mv-compare-x { color: #d1d5db; }
.mv-compare-check { color: var(--brand-sky); }

.mv-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 3rem; }
.mv-feature-card {
  background: #fff; border: 1px solid rgba(14,165,233,0.1); border-radius: var(--brand-radius);
  padding: 1.8rem; transition: var(--brand-transition); opacity: 0; transform: translateY(16px);
}
.mv-feature-card.visible { opacity: 1; transform: translateY(0); }
.mv-feature-card:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(14,165,233,0.06); }
.mv-feature-num {
  width: 32px; height: 32px; border-radius: var(--brand-radius-xs);
  background: linear-gradient(135deg, var(--brand-sky), var(--brand-blue));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.75rem; font-weight: 500; margin-bottom: 0.8rem;
}
.mv-feature-title { font-size: 0.98rem; font-family: 'pretendardMedium', var(--brand-font); color: var(--brand-text); margin-bottom: 0.4rem; word-break: keep-all; }
.mv-feature-desc { font-size: 0.85rem; line-height: 1.6; color: var(--brand-text-muted); word-break: keep-all; font-weight: 300; }

.mv-cta { text-align: center; padding-top: 1.5rem; }
.mv-cta .brand-btn-sky {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.9rem 2.2rem; font-size: 0.95rem; font-weight: 400; color: #fff;
  background: linear-gradient(135deg, var(--brand-sky), var(--brand-blue));
  border: none; border-radius: var(--brand-radius-sm); text-decoration: none; cursor: pointer;
  box-shadow: 0 4px 18px rgba(14,165,233,0.2); transition: var(--brand-transition);
}
.mv-cta .brand-btn-sky:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(14,165,233,0.3); }

/* Animation handled by individual element base styles (opacity:0) + .visible class */

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 1024px) {
  .nl-compare-row { grid-template-columns: 1fr; gap: 0.4rem; }
  .nl-diff-grid { grid-template-columns: 1fr; }
  .nl-detail-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .nl-detail-text .brand-section-title { text-align: center; }
  .nl-detail-text .brand-badge { display: block; text-align: center; }
  .nl-detail-desc { text-align: center; }
  .mv-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .brand-inner { padding: 0 1.5rem; }
  .nl-section, .mv-section { padding: 3.5rem 0; }
  .brand-section-header { margin-bottom: 2rem; }
  .nl-feat-grid { grid-template-columns: 1fr; }
  .nl-detail-card-stack { height: 260px; }
  .nl-float-card { max-width: 220px; padding: 0.9rem 1.2rem; }
  .nl-float-2 { left: 10%; }
  .nl-float-3 { left: 5%; }
  .nl-mode-item { flex-direction: column; gap: 0.5rem; }
  .mv-stats { grid-template-columns: repeat(2, 1fr); gap: 0.6rem; }
  .mv-compare { grid-template-columns: 1fr; }
  .mv-features { grid-template-columns: 1fr; gap: 0.8rem; }
  .brand-hero { min-height: 78vh; }
  .brand-hero-nav { flex-direction: column; align-items: center; }
  .brand-hero-nav-card { width: 100%; max-width: 300px; }
  .nl-problem-box { padding: 1.8rem 1.4rem; }
  .nl-problem-quote { font-size: 2.5rem; top: 0.8rem; left: 1rem; }
}

@media (max-width: 480px) {
  .brand-hero { min-height: 68vh; }
  .brand-section-title { font-size: 1.35rem; }
  .mv-stat-card { padding: 1.3rem 0.8rem; }
  .nl-diff-grid { grid-template-columns: 1fr; }
}