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

:root {
  --red: #FF503C;
  --red-light: rgba(255,80,60,0.10);
  --red-border: rgba(255,80,60,0.25);
  --bg: #0C0C0C;
  --surface: #141414;
  --surface2: #1C1C1C;
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.16);
  --text: #F5F5F3;
  --muted: rgba(245,245,243,0.45);
  --muted2: rgba(245,245,243,0.25);
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans KR', sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { text-decoration: none; color: inherit; }

/* NAV */
nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px; height: 60px;
  background: rgba(12,12,12,0.85);
  backdrop-filter: blur(14px);
  border-bottom: 0.5px solid var(--border);
}
.nav-logo { font-size: 15px; font-weight: 700; letter-spacing: -0.02em; }
.nav-logo span { color: var(--red); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--red); color: #fff;
  font-size: 13px; font-weight: 600;
  padding: 9px 20px; border-radius: 100px;
  transition: opacity 0.15s;
}
.nav-cta:hover { opacity: 0.88; }

/* HERO */
.hero {
  padding: 100px 24px 72px;
  text-align: center;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -180px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 500px;
  background: radial-gradient(circle, rgba(255,80,60,0.13) 0%, transparent 68%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  border: 0.5px solid var(--red-border); color: var(--red);
  font-size: 12px; font-weight: 500; letter-spacing: 0.06em;
  padding: 6px 16px; border-radius: 100px;
  margin-bottom: 32px;
  animation: fadeUp 0.6s ease both;
}
.hero-badge::before {
  content: ''; width: 6px; height: 6px;
  border-radius: 50%; background: var(--red);
  animation: pulse 1.8s ease-in-out infinite;
}
.hero h1 {
  font-size: clamp(32px, 7vw, 64px); font-weight: 900;
  letter-spacing: -0.035em; line-height: 1.1; margin-bottom: 20px;
  animation: fadeUp 0.6s 0.08s ease both;
}
.hero h1 .red { color: var(--red); }
.hero p {
  font-size: clamp(15px, 2.5vw, 18px); color: var(--muted);
  line-height: 1.7; margin-bottom: 48px;
  animation: fadeUp 0.6s 0.16s ease both;
}

/* FILTER */
.filter-wrap {
  max-width: 760px; margin: 0 auto 56px;
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
  animation: fadeUp 0.6s 0.22s ease both;
}
.filter-btn {
  padding: 9px 20px; border-radius: 100px;
  border: 0.5px solid var(--border); background: transparent;
  color: var(--muted);
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 13px; font-weight: 500; cursor: pointer;
  transition: all 0.18s;
}
.filter-btn:hover { border-color: var(--border-hover); color: var(--text); }
.filter-btn.active { background: var(--red); border-color: var(--red); color: #fff; }

/* GRID */
.grid-wrap {
  max-width: 1100px; margin: 0 auto;
  padding: 0 24px 100px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* CARD */
.card {
  background: var(--surface); border: 0.5px solid var(--border);
  border-radius: 16px; overflow: hidden; cursor: pointer;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
  animation: fadeUp 0.5s ease both;
}
.card:hover { transform: translateY(-4px); border-color: var(--border-hover); box-shadow: 0 16px 48px rgba(0,0,0,0.4); }
.card.hidden { display: none; }

.card-thumb {
  width: 100%; aspect-ratio: 16/10;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.card-thumb .thumb-bg {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; padding: 20px; gap: 8px;
}
.mock-hero {
  background: rgba(255,80,60,0.08); border-radius: 8px; padding: 14px 16px;
  flex: 1; display: flex; flex-direction: column; justify-content: center;
}
.mock-line { height: 8px; border-radius: 4px; background: rgba(255,255,255,0.12); margin-bottom: 6px; }
.mock-line.red { background: rgba(255,80,60,0.5); width: 60%; }
.mock-line.short { width: 45%; }
.mock-line.med { width: 72%; }
.mock-btn-row { display: flex; gap: 6px; margin-top: 10px; }
.mock-cta { height: 20px; width: 80px; border-radius: 20px; background: var(--red); opacity: 0.85; }
.mock-section { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.mock-block { height: 32px; border-radius: 6px; background: rgba(255,255,255,0.05); border: 0.5px solid rgba(255,255,255,0.08); }


.card-body { padding: 20px 22px 22px; }
.card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.tag { font-size: 11px; font-weight: 500; padding: 4px 10px; border-radius: 100px; letter-spacing: 0.04em; }
.tag-industry { background: var(--red-light); color: var(--red); border: 0.5px solid var(--red-border); }
.tag-free { background: rgba(40,200,120,0.1); color: #3DD68C; border: 0.5px solid rgba(40,200,120,0.2); }
.tag-pro { background: rgba(180,130,255,0.1); color: #B482FF; border: 0.5px solid rgba(180,130,255,0.2); }

.card-title { font-size: 17px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 6px; line-height: 1.3; }
.card-desc { font-size: 13px; color: var(--muted); line-height: 1.65; margin-bottom: 18px; }
.card-footer { display: flex; align-items: center; justify-content: space-between; }
.card-price { font-size: 15px; font-weight: 700; color: var(--red); }
.card-price.free { color: #3DD68C; }
.card-dl-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--text); opacity: 0.7;
  padding: 8px 16px; border-radius: 100px; border: 0.5px solid var(--border);
  transition: all 0.16s; background: transparent; cursor: pointer;
  font-family: 'Noto Sans KR', sans-serif;
}
.card-dl-btn:hover { opacity: 1; border-color: var(--border-hover); background: var(--surface2); }

/* MODAL */
.modal-bg {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.75); backdrop-filter: blur(6px);
  align-items: center; justify-content: center; padding: 24px;
}
.modal-bg.open { display: flex; }

.modal {
  background: var(--surface); border: 0.5px solid var(--border-hover);
  border-radius: 20px; width: 100%; max-width: 520px;
  padding: 36px; position: relative;
  animation: modalIn 0.25s ease both;
  max-height: 90vh; overflow-y: auto;
}
.modal-close {
  position: absolute; top: 18px; right: 20px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--surface2); border: 0.5px solid var(--border);
  color: var(--muted); font-size: 18px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s;
  font-family: 'Noto Sans KR', sans-serif;
}
.modal-close:hover { background: var(--border); }

.modal-tag { margin-bottom: 16px; }
.modal-title { font-size: 22px; font-weight: 900; letter-spacing: -0.025em; line-height: 1.3; margin-bottom: 10px; }
.modal-desc { font-size: 14px; color: var(--muted); line-height: 1.75; margin-bottom: 20px; }

.modal-features {
  list-style: none; display: flex; flex-direction: column; gap: 10px;
  margin-bottom: 24px;
}
.modal-feat { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(245,245,243,0.75); }
.feat-check {
  width: 18px; height: 18px; flex-shrink: 0; border-radius: 50%;
  background: rgba(61,214,140,0.12);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; color: #3DD68C;
}

/* ── LEAD FORM ── */
.lead-form-section {
  border-top: 0.5px solid var(--border);
  padding-top: 20px;
  margin-bottom: 20px;
}
.lead-form-label {
  font-size: 13px; font-weight: 600;
  color: var(--muted); margin-bottom: 14px;
  display: flex; align-items: center; gap: 6px;
  letter-spacing: 0.02em;
}
.lead-form-label::before {
  content: '';
  display: inline-block; width: 4px; height: 14px;
  background: var(--red); border-radius: 2px;
}
.form-fields { display: flex; flex-direction: column; gap: 10px; }
.form-field {
  display: flex; flex-direction: column; gap: 5px;
}
.form-field label {
  font-size: 12px; font-weight: 500;
  color: var(--muted); letter-spacing: 0.03em;
}
.form-field input {
  background: var(--surface2);
  border: 0.5px solid var(--border);
  border-radius: 10px;
  padding: 11px 14px;
  color: var(--text);
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 14px;
  outline: none;
  transition: border-color 0.18s, background 0.18s;
  width: 100%;
}
.form-field input::placeholder { color: var(--muted2); }
.form-field input:focus {
  border-color: var(--red);
  background: rgba(255,80,60,0.04);
}
.form-field input.error { border-color: rgba(255,80,60,0.6); }

/* status messages */
.form-status {
  font-size: 13px; padding: 10px 14px;
  border-radius: 10px; margin-top: 4px;
  display: none;
}
.form-status.success {
  display: block;
  background: rgba(61,214,140,0.08);
  border: 0.5px solid rgba(61,214,140,0.2);
  color: #3DD68C;
}
.form-status.error {
  display: block;
  background: rgba(255,80,60,0.08);
  border: 0.5px solid var(--red-border);
  color: var(--red);
}

/* modal actions */
.modal-actions { display: flex; gap: 10px; }
.btn-modal-main {
  flex: 1; background: var(--red); color: #fff;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 14px; font-weight: 700;
  padding: 14px 20px; border-radius: 12px; border: none;
  cursor: pointer; transition: opacity 0.15s;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-modal-main:hover { opacity: 0.88; }
.btn-modal-main:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-modal-sub {
  padding: 14px 20px; border-radius: 12px;
  border: 0.5px solid var(--border-hover); background: transparent;
  color: var(--muted);
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 14px; font-weight: 500; cursor: pointer;
  transition: all 0.15s; white-space: nowrap;
}
.btn-modal-sub:hover { background: var(--surface2); color: var(--text); }

.spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  animation: spin 0.7s linear infinite;
  display: none;
}
.btn-modal-main.loading .spinner { display: block; }
.btn-modal-main.loading .btn-text { display: none; }

/* BANNER */
.banner {
  margin: 0 auto; margin-bottom: 50px; max-width: 1100px;
  background: var(--red-light); border: 0.5px solid var(--red-border);
  border-radius: 16px; padding: 32px 40px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.banner-text h3 { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 6px; }
.banner-text p { font-size: 14px; color: var(--muted); line-height: 1.6; }
.btn-banner {
  background: var(--red); color: #fff;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 14px; font-weight: 700;
  padding: 14px 28px; border-radius: 100px; border: none;
  cursor: pointer; white-space: nowrap; transition: opacity 0.15s;
}
.btn-banner:hover { opacity: 0.88; }

/* FOOTER */
footer { border-top: 0.5px solid var(--border); padding: 32px 24px; text-align: center; font-size: 12px; color: var(--muted2); }

/* ANIMATIONS */
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
@keyframes modalIn { from { opacity: 0; transform: scale(0.95) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 600px) {
  nav { padding: 0 20px; }
  .grid-wrap { grid-template-columns: 1fr; }
  .banner { flex-direction: column; text-align: center; }
  .modal { padding: 28px 22px; }
  .modal-actions { flex-direction: column; }
}