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

:root {
  --gold: #C9A96E;
  --gold-light: #DBBF8A;
  --gold-dark: #A8874D;
  --navy: #1E3A5F;
  --navy-light: #2A4D7A;
  --navy-dark: #132843;
  --navy-deep: #0D1F33;
  --white: #FFFFFF;
  --gray-100: #F4F4F5;
  --gray-200: #E8E8EA;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --green: #25D366;
  --green-dark: #1EBE57;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, 'Pretendard', 'Noto Sans KR', system-ui, sans-serif;
  background: var(--white);
  color: #333;
  line-height: 1.75;
  padding-bottom: 70px;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }

/* ===== HEADER ===== */
.header {
  position: sticky; top: 0; z-index: 100;
  background: var(--navy);
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.logo {
  color: var(--gold); font-weight: 800; font-size: 1.1rem;
  letter-spacing: -.02em;
}
.menu-btn {
  display: block; background: none; border: none;
  color: var(--gold); font-size: 1.5rem; padding: 4px;
}
.nav {
  display: none; flex-direction: column; position: absolute;
  top: 56px; left: 0; right: 0; background: var(--navy-dark);
  padding: 8px 0; box-shadow: 0 4px 12px rgba(0,0,0,.2);
}
.nav.open { display: flex; }
.nav a {
  display: block; padding: 12px 20px; color: rgba(255,255,255,.8);
  font-size: .95rem; transition: .15s; border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav a:hover, .nav a.active {
  color: var(--gold); background: rgba(201,169,110,.08);
}
@media (min-width: 769px) {
  .menu-btn { display: none; }
  .nav {
    display: flex !important; flex-direction: row; position: static;
    background: none; padding: 0; box-shadow: none; gap: 2px;
  }
  .nav a {
    padding: 8px 12px; border-radius: 6px; font-size: .85rem; border: none;
  }
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-light) 100%);
  padding: 48px 16px 56px; text-align: center; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -30%; width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(201,169,110,.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-badge {
  display: inline-block; background: rgba(201,169,110,.15); color: var(--gold);
  padding: 6px 16px; border-radius: 20px; font-size: .8rem; font-weight: 600;
  letter-spacing: .1em; margin-bottom: 20px; border: 1px solid rgba(201,169,110,.25);
}
.hero h1 {
  font-size: clamp(1.8rem, 7vw, 2.6rem); color: var(--white); font-weight: 800;
  line-height: 1.35; margin-bottom: 16px; position: relative;
}
.hero h1 em {
  font-style: normal; color: var(--gold);
}
.hero-desc {
  color: rgba(255,255,255,.75); font-size: 1rem; line-height: 1.8;
  max-width: 520px; margin: 0 auto 28px;
}
.hero-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; border-radius: 8px; font-weight: 700; font-size: .95rem;
  transition: .2s; gap: 6px;
}
.btn:hover { transform: translateY(-1px); }
.btn-gold { background: var(--gold); color: var(--navy-dark); }
.btn-gold:hover { background: var(--gold-light); }
.btn-outline-w {
  border: 1.5px solid rgba(255,255,255,.4); color: var(--white); background: none;
}
.btn-outline-w:hover { background: rgba(255,255,255,.08); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-light); }

/* ===== IMAGE BLOCKS ===== */
.img-block {
  width: 100%; border-radius: 12px; overflow: hidden;
  position: relative; aspect-ratio: 16/9;
}
.img-block.tall { aspect-ratio: 4/3; }
.img-block.square { aspect-ratio: 1/1; }
.img-navy {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy-light));
}
.img-gold {
  background: linear-gradient(135deg, var(--navy), var(--gold-dark));
}
.img-warm {
  background: linear-gradient(135deg, #2C1810, var(--navy-dark));
}
.img-neon {
  background: linear-gradient(135deg, #1a0533, var(--navy));
}
.img-block .overlay {
  position: absolute; inset: 0; display: flex; align-items: center;
  justify-content: center; flex-direction: column; padding: 20px;
}
.img-block .icon { font-size: 3rem; margin-bottom: 8px; filter: drop-shadow(0 2px 8px rgba(0,0,0,.3)); }
.img-block .caption {
  color: rgba(255,255,255,.9); font-size: .85rem; font-weight: 600;
  text-shadow: 0 1px 4px rgba(0,0,0,.5); text-align: center;
}
.img-grid { display: grid; gap: 12px; }
.img-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.img-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }

/* ===== SECTIONS ===== */
.section { padding: 48px 16px; }
.section-navy { background: var(--navy-deep); color: var(--white); }
.section-light { background: var(--gray-100); }
.section-title {
  font-size: clamp(1.4rem, 5vw, 1.8rem); font-weight: 800; color: var(--navy-dark);
  margin-bottom: 8px; line-height: 1.35;
}
.section-navy .section-title { color: var(--white); }
.section-title em { font-style: normal; color: var(--gold); }
.section-sub {
  color: var(--gray-500); font-size: .95rem; margin-bottom: 28px; line-height: 1.6;
}
.section-navy .section-sub { color: rgba(255,255,255,.6); }
.section-label {
  display: inline-block; color: var(--gold-dark); font-size: .75rem;
  font-weight: 700; letter-spacing: .15em; text-transform: uppercase;
  margin-bottom: 8px;
}
.section-navy .section-label { color: var(--gold); }

/* ===== CONTENT TEXT ===== */
.content p {
  color: #444; font-size: .95rem; line-height: 1.85; margin-bottom: 16px;
}
.content p:last-child { margin-bottom: 0; }
.section-navy .content p { color: rgba(255,255,255,.8); }

/* ===== CARDS ===== */
.card-list { display: flex; flex-direction: column; gap: 16px; }
.card {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: 12px; padding: 24px; transition: .2s;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.08); border-color: var(--gold); }
.card-icon { font-size: 2rem; margin-bottom: 12px; }
.card h3 { color: var(--navy-dark); font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.card p { color: var(--gray-600); line-height: 1.7; font-size: .9rem; }
.card-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 600px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
  .card-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
}

/* ===== NAVY CARD ===== */
.ncard {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px; padding: 24px; transition: .2s;
}
.ncard:hover { border-color: var(--gold); background: rgba(255,255,255,.1); }
.ncard h3 { color: var(--white); font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.ncard p { color: rgba(255,255,255,.7); line-height: 1.7; font-size: .9rem; }

/* ===== STEPS ===== */
.step-list { display: flex; flex-direction: column; gap: 0; }
.step {
  display: flex; gap: 16px; padding: 20px 0;
  border-bottom: 1px solid var(--gray-200);
}
.step:last-child { border-bottom: none; }
.step-num {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  background: var(--navy); color: var(--gold); font-weight: 800; font-size: .85rem;
  display: flex; align-items: center; justify-content: center; margin-top: 2px;
}
.step h3 { color: var(--navy-dark); font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.step p { color: var(--gray-600); line-height: 1.7; font-size: .9rem; }

/* ===== REVIEW ===== */
.review {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: 12px; padding: 20px; margin-bottom: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.review-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.review-name { color: var(--navy-dark); font-weight: 700; font-size: .95rem; }
.review-meta { color: var(--gray-500); font-size: .8rem; }
.review-stars { color: var(--gold); font-size: .85rem; letter-spacing: 1px; }
.review p { color: var(--gray-600); line-height: 1.7; font-size: .9rem; }

/* ===== FAQ ===== */
.faq { border-bottom: 1px solid var(--gray-200); }
.faq:last-child { border-bottom: none; }
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 18px 0; background: none; border: none; text-align: left;
  color: var(--navy-dark); font-weight: 700; font-size: .95rem; gap: 12px;
}
.faq-q span { color: var(--gold); font-size: 1.3rem; flex-shrink: 0; transition: .2s; }
.faq.open .faq-q span { transform: rotate(45deg); }
.faq-a {
  display: none; padding: 0 0 18px; color: var(--gray-600);
  line-height: 1.7; font-size: .9rem;
}
.faq.open .faq-a { display: block; }

/* ===== CONTACT ===== */
.contact-card {
  display: block; border-radius: 12px; padding: 28px 20px;
  text-align: center; transition: .2s; margin-bottom: 12px;
}
.contact-card-gold {
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border: 2px solid var(--gold);
}
.contact-card-kakao {
  background: #FEE500; border: 2px solid #F5D800;
}
.contact-icon { font-size: 2.5rem; margin-bottom: 10px; }
.contact-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.contact-card .number { font-size: 1.5rem; font-weight: 800; margin-bottom: 10px; }
.contact-card p { line-height: 1.6; font-size: .85rem; }
.contact-card-gold h3, .contact-card-gold .number { color: var(--gold); }
.contact-card-gold p { color: rgba(255,255,255,.7); }
.contact-card-kakao h3 { color: #3C1E1E; }
.contact-card-kakao .number { color: #3C1E1E; }
.contact-card-kakao p { color: #5C3C3C; }

/* ===== BAMKEY LINK ===== */
.bamkey-link {
  display: block; margin: 32px auto 0; max-width: 720px;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  border: 1px solid rgba(201,169,110,.3); border-radius: 12px;
  padding: 24px 20px; text-align: center; transition: .2s;
}
.bamkey-link:hover { border-color: var(--gold); }
.bamkey-link .label { color: var(--gold); font-size: .8rem; font-weight: 600; margin-bottom: 6px; }
.bamkey-link .main { color: var(--white); font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.bamkey-link .sub { color: rgba(255,255,255,.5); font-size: .8rem; }
.bamkey-link .arrow { color: var(--gold); font-size: 1.2rem; margin-top: 8px; }

/* ===== FOOTER ===== */
.footer {
  background: var(--navy-deep); padding: 32px 16px; text-align: center;
}
.footer p { color: rgba(255,255,255,.4); font-size: .8rem; margin-bottom: 6px; }
.footer a { color: var(--gold); }
.footer a:hover { text-decoration: underline; }

/* ===== PHONE BAR (Green, Center, 400px) ===== */
.phone-bar {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  z-index: 200; width: 100%; max-width: 400px;
  background: var(--green); color: var(--white); font-weight: 800; font-size: 1.05rem;
  text-align: center; padding: 16px 20px; border-radius: 16px 16px 0 0;
  box-shadow: 0 -4px 20px rgba(37,211,102,.3);
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.phone-bar:hover { background: var(--green-dark); }
.phone-bar .phone-icon { font-size: 1.2rem; }

/* ===== DIVIDER ===== */
.divider { height: 8px; background: var(--gray-100); }
.divider-navy { height: 4px; background: linear-gradient(90deg, var(--gold), var(--navy), var(--gold)); opacity: .3; }

/* ===== UTILS ===== */
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-navy { color: var(--navy-dark); }