/* ===================================
   I.me — Business Site CSS
   =================================== */

/* ── 변수 ── */
:root {
  --accent: #6366f1;
  --accent-2: #8b5cf6;
  --accent-glow: rgba(99,102,241,.25);
  --bg: #0a0a0f;
  --bg-2: #111118;
  --bg-card: #16161f;
  --bg-card-hover: #1e1e2a;
  --border: rgba(255,255,255,.08);
  --border-hover: rgba(99,102,241,.4);
  --text: #f0f0f5;
  --text-2: #a0a0b8;
  --text-3: #6b6b88;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 32px rgba(0,0,0,.5);
  --transition: .3s cubic-bezier(.4,0,.2,1);
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans KR', sans-serif;
}

/* ── 리셋 ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}
a, button, [role="button"] { cursor: none; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: none; border: none; background: none; font-family: inherit; }
input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  width: 100%;
  outline: none;
  transition: border-color var(--transition);
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
select option { background: var(--bg-2); }

/* ── 커스텀 커서 ── */
.cursor, .cursor-follower {
  position: fixed; border-radius: 50%; pointer-events: none; z-index: 9999; transform: translate(-50%,-50%);
}
.cursor { width: 8px; height: 8px; background: var(--accent); transition: width .15s, height .15s; }
.cursor-follower { width: 32px; height: 32px; border: 1.5px solid rgba(99,102,241,.5); transition: width .2s, height .2s; }

/* ── 컨테이너 ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* ── 버튼 ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  border-radius: 50px; font-weight: 600; letter-spacing: -.01em;
  transition: all var(--transition); white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px var(--accent-glow); }
.btn--ghost { border: 1.5px solid var(--border); color: var(--text-2); }
.btn--ghost:hover { border-color: var(--accent); color: var(--text); }
.btn--sm { padding: .5rem 1.25rem; font-size: .875rem; }
.btn--lg { padding: .875rem 2rem; font-size: 1rem; }
.btn--full { width: 100%; padding: 1rem; font-size: 1rem; border-radius: var(--radius-sm); }

/* ── 섹션 공통 ── */
.section { padding: 7rem 0; }
.section--dark { background: var(--bg-2); }
.section__head { text-align: center; margin-bottom: 4rem; }
.section__label {
  font-size: .75rem; font-weight: 700; letter-spacing: .15em;
  color: var(--accent); text-transform: uppercase; margin-bottom: .75rem;
}
.section__title { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; letter-spacing: -.03em; margin-bottom: 1rem; }
.section__desc { color: var(--text-2); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }

/* ═══════════════════════════════════════
   HEADER
═══════════════════════════════════════ */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,10,15,.85); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.header__inner {
  display: flex; align-items: center; gap: 2rem;
  max-width: 1200px; margin: 0 auto; padding: 0 2rem; height: 68px;
}
.logo {
  font-size: 1.5rem; font-weight: 900; letter-spacing: -.05em; color: var(--text);
  flex-shrink: 0;
}
.logo span { color: var(--accent); }
.logo--footer { font-size: 1.75rem; }
.gnb { display: flex; align-items: center; gap: 2rem; margin-left: auto; }
.gnb a { font-size: .9rem; font-weight: 500; color: var(--text-2); transition: color var(--transition); }
.gnb a:hover { color: var(--text); }
.header__right { display: flex; align-items: center; gap: 1rem; margin-left: 1.5rem; }
.lang-switcher { display: flex; align-items: center; gap: .4rem; }
.lang-switcher span { color: var(--text-3); font-size: .8rem; }
.lang-btn {
  font-size: .8rem; font-weight: 600; color: var(--text-3);
  padding: .25rem .5rem; border-radius: 6px;
  transition: all var(--transition);
}
.lang-btn.is-active { color: var(--accent); background: rgba(99,102,241,.12); }
.lang-btn:hover:not(.is-active) { color: var(--text-2); }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: .5rem; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ═══════════════════════════════════════
   HERO
═══════════════════════════════════════ */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding: 8rem 0 5rem;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero__glow {
  position: absolute; border-radius: 50%; filter: blur(120px); opacity: .35;
}
.hero__glow--1 { width: 600px; height: 600px; background: var(--accent); top: -200px; left: -100px; }
.hero__glow--2 { width: 500px; height: 500px; background: var(--accent-2); bottom: -200px; right: -100px; }
.hero__inner { position: relative; z-index: 1; max-width: 800px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(99,102,241,.12); border: 1px solid rgba(99,102,241,.25);
  color: var(--accent); font-size: .8rem; font-weight: 600; letter-spacing: .05em;
  padding: .4rem 1rem; border-radius: 50px; margin-bottom: 2rem;
}
.hero__title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900; letter-spacing: -.04em; line-height: 1.1;
  margin-bottom: 1.5rem;
}
.hero__accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-2), #ec4899);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero__sub { font-size: 1.1rem; color: var(--text-2); line-height: 1.8; margin-bottom: 2.5rem; }
.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 4rem; }
.hero__stats {
  display: flex; gap: 3rem; flex-wrap: wrap;
  padding-top: 2rem; border-top: 1px solid var(--border);
}
.hero__stat { display: flex; flex-direction: column; gap: .25rem; }
.hero__stat strong { font-size: 1.25rem; font-weight: 800; color: var(--text); }
.hero__stat span { font-size: .85rem; color: var(--text-3); }
.hero__scroll {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  z-index: 1;
}
.hero__scroll span {
  display: block; width: 1.5px; height: 48px;
  background: linear-gradient(to bottom, transparent, var(--accent));
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine { 0%,100% { opacity: 0; transform: scaleY(0); transform-origin: top; } 50% { opacity: 1; transform: scaleY(1); } }

/* ═══════════════════════════════════════
   SERVICES
═══════════════════════════════════════ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  position: relative;
  transition: all var(--transition);
  display: flex; flex-direction: column; gap: .75rem;
}
.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(99,102,241,.15);
}
.service-card--featured {
  border-color: rgba(99,102,241,.4);
  background: linear-gradient(135deg, rgba(99,102,241,.08), rgba(139,92,246,.08));
}
.service-card--premium {
  border-color: rgba(236,72,153,.3);
  background: linear-gradient(135deg, rgba(139,92,246,.06), rgba(236,72,153,.06));
}
.service-card__badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-size: .7rem; font-weight: 700; letter-spacing: .05em;
  padding: .25rem .75rem; border-radius: 50px;
}
.service-card__icon {
  width: 48px; height: 48px;
  background: rgba(99,102,241,.1); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}
.service-card__icon svg { width: 24px; height: 24px; color: var(--accent); }
.service-card__price { font-size: 1.5rem; font-weight: 800; color: var(--accent); letter-spacing: -.03em; }
.service-card h3 { font-size: 1.1rem; font-weight: 700; }
.service-card p { font-size: .85rem; color: var(--text-3); }
.service-card__features { display: flex; flex-direction: column; gap: .5rem; flex: 1; margin-top: .5rem; }
.service-card__features li {
  font-size: .85rem; color: var(--text-2);
  padding-left: 1.25rem; position: relative;
}
.service-card__features li::before {
  content: '✓'; position: absolute; left: 0;
  color: var(--accent); font-weight: 700; font-size: .75rem;
}
.service-card__btn {
  display: block; text-align: center;
  background: rgba(99,102,241,.1); border: 1px solid rgba(99,102,241,.2);
  color: var(--accent); font-size: .875rem; font-weight: 600;
  padding: .65rem; border-radius: var(--radius-sm);
  transition: all var(--transition); margin-top: .5rem;
}
.service-card__btn:hover { background: var(--accent); color: #fff; }
.services__note { text-align: center; color: var(--text-3); font-size: .85rem; margin-top: 2.5rem; }

/* ═══════════════════════════════════════
   PROCESS
═══════════════════════════════════════ */
.process__steps {
  display: flex; align-items: flex-start; gap: 1rem;
  flex-wrap: wrap; justify-content: center;
}
.process__step {
  flex: 1; min-width: 160px; max-width: 200px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem 1.5rem;
  text-align: center; transition: all var(--transition);
}
.process__step:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.process__num {
  font-size: 2rem; font-weight: 900; letter-spacing: -.05em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: .75rem;
}
.process__content h3 { font-size: 1rem; font-weight: 700; margin-bottom: .4rem; }
.process__content p { font-size: .8rem; color: var(--text-3); line-height: 1.6; }
.process__arrow {
  font-size: 1.5rem; color: var(--text-3); align-self: center;
  flex-shrink: 0; margin-top: -1rem;
}

/* ═══════════════════════════════════════
   PORTFOLIO
═══════════════════════════════════════ */
.portfolio__filter {
  display: flex; gap: .75rem; justify-content: center;
  flex-wrap: wrap; margin-bottom: 3rem;
}
.filter-btn {
  padding: .5rem 1.25rem; border-radius: 50px;
  font-size: .875rem; font-weight: 600;
  border: 1.5px solid var(--border); color: var(--text-2);
  transition: all var(--transition);
}
.filter-btn.is-active, .filter-btn:hover {
  background: var(--accent); border-color: var(--accent); color: #fff;
}
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.portfolio-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: all var(--transition);
}
.portfolio-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow); }
.portfolio-card.is-hidden { display: none; }
.portfolio-card__link { display: block; }
.portfolio-card__thumb { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.portfolio-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.portfolio-card:hover .portfolio-card__thumb img { transform: scale(1.05); }
.portfolio-card__overlay {
  position: absolute; inset: 0;
  background: rgba(99,102,241,.85);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity var(--transition);
}
.portfolio-card:hover .portfolio-card__overlay { opacity: 1; }
.portfolio-card__overlay span { color: #fff; font-weight: 700; font-size: 1rem; }
.portfolio-card__info { padding: 1.25rem 1.5rem; }
.portfolio-card__tag {
  font-size: .75rem; font-weight: 600; letter-spacing: .05em;
  color: var(--accent); background: rgba(99,102,241,.1);
  padding: .2rem .6rem; border-radius: 50px; display: inline-block; margin-bottom: .6rem;
}
.portfolio-card__info h3 { font-size: 1rem; font-weight: 700; margin-bottom: .3rem; }
.portfolio-card__info p { font-size: .85rem; color: var(--text-3); }

/* ═══════════════════════════════════════
   PRICING
═══════════════════════════════════════ */
.pricing__table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
.pricing__table { width: 100%; border-collapse: collapse; }
.pricing__table th, .pricing__table td {
  padding: 1rem 1.25rem; text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: .9rem;
}
.pricing__table th {
  background: rgba(99,102,241,.08);
  font-size: .8rem; font-weight: 700; letter-spacing: .05em;
  color: var(--text-2); text-transform: uppercase;
}
.pricing__table tbody tr:last-child td { border-bottom: none; }
.pricing__table tbody tr:hover td { background: rgba(255,255,255,.02); }
.pricing__table--featured td { background: rgba(99,102,241,.06); }
.price-col { font-weight: 700; color: var(--accent); white-space: nowrap; }
.pricing__note { text-align: center; color: var(--text-3); font-size: .85rem; margin-top: 1.5rem; }

/* ═══════════════════════════════════════
   CONTACT
═══════════════════════════════════════ */
.contact__wrap {
  display: grid; grid-template-columns: 1fr 1.6fr; gap: 4rem;
  align-items: start;
}
.contact__info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact__channel {
  display: flex; align-items: flex-start; gap: 1rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem 1.5rem;
  transition: all var(--transition);
}
.contact__channel:hover { border-color: var(--border-hover); }
.contact__channel-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: rgba(99,102,241,.1); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.contact__channel-icon svg { width: 22px; height: 22px; color: var(--accent); }
.contact__channel strong { display: block; font-weight: 700; margin-bottom: .2rem; }
.contact__channel p { font-size: .85rem; color: var(--text-3); }
.contact__form { display: flex; flex-direction: column; gap: 1.25rem; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form__group { display: flex; flex-direction: column; gap: .5rem; }
.form__group label { font-size: .875rem; font-weight: 600; color: var(--text-2); }
textarea { resize: vertical; min-height: 120px; }

/* ═══════════════════════════════════════
   FOOTER
═══════════════════════════════════════ */
.footer {
  background: var(--bg-2); border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
}
.footer__top { text-align: center; margin-bottom: 2rem; }
.footer__tagline { color: var(--text-3); font-size: .9rem; margin-top: .5rem; }
.footer__bottom {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
  padding-top: 1.5rem; border-top: 1px solid var(--border);
  font-size: .85rem; color: var(--text-3);
}
.footer__nav { display: flex; gap: 1.5rem; }
.footer__nav a { color: var(--text-3); transition: color var(--transition); }
.footer__nav a:hover { color: var(--text); }

/* ═══════════════════════════════════════
   SCROLL ANIMATION
═══════════════════════════════════════ */
[data-aos] {
  opacity: 0; transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-aos].is-visible { opacity: 1; transform: translateY(0); }

/* ═══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media (max-width: 1024px) {
  .process__arrow { display: none; }
  .process__steps { gap: 1.5rem; }
}

@media (max-width: 768px) {
  .gnb {
    position: fixed; top: 68px; left: 0; right: 0;
    background: rgba(10,10,15,.97); backdrop-filter: blur(20px);
    flex-direction: column; align-items: flex-start;
    padding: 1.5rem 2rem; gap: 1.25rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%); opacity: 0; pointer-events: none;
    transition: all var(--transition);
  }
  .gnb.is-open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .gnb a { font-size: 1.1rem; }
  .hamburger { display: flex; }
  .hero__stats { gap: 1.5rem; }
  .services__grid { grid-template-columns: 1fr 1fr; }
  .contact__wrap { grid-template-columns: 1fr; gap: 2.5rem; }
  .form__row { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .portfolio__grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .section { padding: 5rem 0; }
  .services__grid { grid-template-columns: 1fr; }
  .hero__cta { flex-direction: column; }
  .btn--lg { width: 100%; text-align: center; }

  /* 요금제 테이블 → 카드형 전환 */
  .pricing__table-wrap { border: none; background: transparent; overflow: visible; }
  .pricing__table { display: block; }
  .pricing__table thead { display: none; }
  .pricing__table tbody { display: flex; flex-direction: column; gap: 1rem; }
  .pricing__table tbody tr { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem .75rem; padding: 1.25rem; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
  .pricing__table--featured { border-color: var(--accent) !important; background: rgba(99,102,241,.08) !important; }
  .pricing__table td { padding: 0; font-size: .85rem; border: none; }
  .pricing__table td::before { display: block; font-size: .7rem; color: var(--text-3); font-weight: 600; letter-spacing: .05em; text-transform: uppercase; margin-bottom: .2rem; }
  .pricing__table td:nth-child(1) { grid-column: 1 / -1; font-size: 1rem; font-weight: 700; color: var(--text); }
  .pricing__table td:nth-child(1)::before { content: attr(data-label-service); }
  .pricing__table td:nth-child(2)::before { content: attr(data-label-target); }
  .pricing__table td:nth-child(3) { color: var(--accent); font-weight: 700; font-size: 1.1rem; }
  .pricing__table td:nth-child(3)::before { content: attr(data-label-price); color: var(--text-3); font-size: .7rem; font-weight: 600; }
  .pricing__table td:nth-child(4) { grid-column: 1 / -1; color: var(--text-2); }
  .pricing__table td:nth-child(4)::before { content: attr(data-label-include); }
  .pricing__table td:nth-child(5)::before { content: attr(data-label-period); }
}