/* /assets/css/index.css — mobile-first */

/* =========================================================
   HERO
========================================================= */
.hero { padding-top: 4px; }

.hero-top {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 8px 0 14px;
}
.hero-left { flex: 1; }

.title {
  margin: 4px 0 6px;
  font-size: clamp(22px, 6vw, 34px);
  font-weight: 900;
  letter-spacing: .2px;
  line-height: 1.2;
}

.sub {
  color: var(--muted);
  line-height: 1.6;
  font-size: 13px;
}

.hero-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.hero-right .btnx { min-height: 44px; }

/* =========================================================
   GRID / CARD
========================================================= */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  border-radius: var(--r);
  padding: 14px;
  box-shadow: var(--shadow);
}

.card-h {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.card-t {
  font-weight: 900;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* =========================================================
   METRICS
========================================================= */
.metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.metric {
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  border-radius: 12px;
  padding: 10px;
}

.mk {
  font-size: 11px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 4px;
  line-height: 1.4;
}

.mv {
  font-size: 14px;
  margin-top: 5px;
  word-break: break-all;
}

/* =========================================================
   ROWS
========================================================= */
.rows {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  border-radius: 12px;
  flex-wrap: wrap;
}

.k {
  color: var(--muted);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
}

.v {
  text-align: right;
  font-size: 13px;
  word-break: break-all;
  flex: 1;
  min-width: 0;
}

/* =========================================================
   FORM / INPUT
========================================================= */
.form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.field { margin-bottom: 0; }

.field .label {
  font-size: 12px;
  color: var(--muted);
  margin: 2px 0 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.input {
  width: 100%;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.25);
  color: var(--text);
  border-radius: 14px;
  padding: 13px 14px;
  outline: none;
  font-size: 16px !important; /* iOS 자동 확대 방지 */
  font-family: inherit;
}
.input:focus {
  border-color: rgba(124,255,209,.55);
  box-shadow: 0 0 0 3px rgba(124,255,209,.12);
}

/* =========================================================
   BUTTONS
========================================================= */
.btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}
.btns .btnx {
  min-height: 46px;
  font-size: 13px;
  padding: 10px 8px;
  touch-action: manipulation;
}

/* =========================================================
   NOTE / LOG
========================================================= */
.note {
  margin-top: 12px;
  border: 1px dashed rgba(255,255,255,.18);
  background: rgba(0,0,0,.14);
  border-radius: 14px;
  padding: 10px 12px;
  color: var(--muted);
  min-height: 42px;
  font-size: 12px;
  line-height: 1.6;
  word-break: break-all;
}

/* =========================================================
   MY PORTS TOTAL
========================================================= */
.my-ports-total {
  margin: 10px 0 12px;
  border: 1px solid rgba(124,255,209,.30);
  background: linear-gradient(180deg, rgba(124,255,209,.14), rgba(0,0,0,.18));
  border-radius: 16px;
  padding: 12px 14px;
}
.my-ports-total .t {
  font-size: 12px;
  color: rgba(234,241,255,.78);
  letter-spacing: .2px;
}
.my-ports-total .v {
  font-size: 20px;
  margin-top: 6px;
  text-align: left;
  word-break: break-all;
}
.my-ports-total .s {
  margin-top: 6px;
  font-size: 11px;
  color: var(--muted);
}

/* =========================================================
   TOOLTIP
========================================================= */
.tip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.22);
  font-size: 11px;
  cursor: help;
  position: relative;
  flex-shrink: 0;
}
.tip::after {
  content: attr(data-tip);
  position: fixed; /* fixed로 변경 — 모바일 viewport 벗어남 방지 */
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: min(280px, 90vw);
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(10,14,14,.96);
  border: 1px solid rgba(255,255,255,.18);
  color: #e9f5ef;
  font-size: 12px;
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
  transition: .12s ease;
  z-index: 200;
}
.tip:hover::after,
.tip:focus::after { opacity: 1; }

/* =========================================================
   PORT GRID / CARD
========================================================= */
.ports-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.port-card {
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  border-radius: 14px;
  padding: 8px;
  cursor: pointer;
  transition: .12s ease;
  touch-action: manipulation;
}
.port-card:active { transform: scale(.97); }

.port-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 11px;
}

.port-viz {
  position: relative;
  height: 80px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.10);
  background: radial-gradient(100px 60px at 40% 30%, rgba(124,255,209,.10), rgba(0,0,0,.10));
  display: flex;
  align-items: center;
  justify-content: center;
}
.port-viz img.tree-base {
  width: 70px;
  height: 70px;
  object-fit: contain;
}

.fruits {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 3px;
}
.fruits img { width: 14px; height: 14px; }

/* =========================================================
   STATE
========================================================= */
.port-card.flash { box-shadow: 0 0 0 2px rgba(255,210,120,.55); }
.port-card.mine  { box-shadow: 0 0 0 2px rgba(124,255,209,.55); }

/* =========================================================
   ONCHAIN GLOW
========================================================= */
.onchain      { color: #7cffd1; text-shadow: 0 0 10px rgba(124,255,209,.55); }
.onchain-soft { color: #7cffd1; text-shadow: 0 0 8px  rgba(124,255,209,.35); }

/* =========================================================
   FOOTER
========================================================= */
.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(0,0,0,.15), rgba(0,0,0,.05));
}
.f-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px var(--pad-x);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.f-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.f-main-logo { width: 30px; height: 30px; }
.f-title { font-weight: 700; font-size: 14px; }
.f-sub   { font-size: 11px; color: var(--muted); }
.f-link  { display: flex; align-items: center; gap: 8px; opacity: .8; font-size: 13px; }
.f-link:hover { opacity: 1; }

/* =========================================================
   소개 배너 (intro-banner) — mobile-first
========================================================= */
.intro-banner {
  margin-bottom: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(135deg, rgba(124,255,209,.07) 0%, rgba(120,180,255,.06) 60%, rgba(255,255,255,.03) 100%);
  overflow: hidden;
}

.intro-top {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px 16px 16px;
}
.intro-left { flex: 1; }
.intro-right { display: none; } /* 모바일에서 이미지 숨김 */

.intro-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .6px;
  text-transform: uppercase;
  color: var(--brand);
  background: rgba(124,255,209,.12);
  border: 1px solid rgba(124,255,209,.25);
  border-radius: 999px;
  padding: 4px 10px;
  margin-bottom: 10px;
}

.intro-title {
  margin: 0 0 10px;
  font-size: clamp(20px, 5vw, 30px);
  font-weight: 900;
  line-height: 1.25;
}

.intro-desc {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}
.intro-desc strong { color: var(--text); }
.intro-desc br { display: none; } /* 모바일에서 줄바꿈 태그 숨김 */

.intro-stats {
  display: flex;
  align-items: center;
  gap: 0;
}
.istat { text-align: center; padding: 0 12px; }
.istat:first-child { padding-left: 0; }
.istat-v { font-size: 18px; font-weight: 900; font-family: ui-monospace, monospace; }
.istat-k { font-size: 10px; color: var(--muted); margin-top: 3px; }
.istat-div { width: 1px; height: 28px; background: var(--line); }

/* 참여 방법 2가지 */
.join-ways {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0 16px 16px;
}
.join-or {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  padding: 2px 0;
}
.join-way {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  background: rgba(255,255,255,.04);
  position: relative;
}
.join-way:hover { border-color: rgba(124,255,209,.35); }
.join-way.recommended {
  border-color: rgba(124,255,209,.30);
  background: rgba(124,255,209,.05);
}
.join-badge {
  position: absolute;
  top: -11px;
  left: 14px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .4px;
  background: var(--brand);
  color: #0b0f14;
  padding: 3px 10px;
  border-radius: 999px;
}
.join-icon  { font-size: 22px; margin-bottom: 5px; }
.join-title { font-size: 14px; font-weight: 800; margin-bottom: 6px; }
.join-desc  { font-size: 12px; color: var(--muted); line-height: 1.6; margin-bottom: 12px; }
.join-btn   { width: 100%; font-size: 13px; padding: 12px 14px; border-radius: 12px; min-height: 46px; touch-action: manipulation; }

/* 참여 단계 */
.steps {
  border-top: 1px solid var(--line);
  padding: 16px 16px 18px;
  background: rgba(255,255,255,.02);
}
.steps-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}
.steps-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.step {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.step-num {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), rgba(120,180,255,.8));
  color: #0b0f14;
  font-weight: 900;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-t { font-size: 13px; font-weight: 700; margin-bottom: 3px; }
.step-d { font-size: 12px; color: var(--muted); line-height: 1.5; }
.step-d em { font-style: normal; color: var(--brand); }
.step-arrow { display: none; } /* 모바일에서 화살표 숨김 */

/* =========================================================
   태블릿 (600px+)
========================================================= */
@media (min-width: 600px) {
  .hero-top {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }

  .metrics { grid-template-columns: repeat(3, 1fr); }

  .form { grid-template-columns: 1fr 1fr; }

  .btns { grid-template-columns: repeat(3, 1fr); }

  .ports-grid { grid-template-columns: repeat(4, 1fr); gap: 10px; }

  .intro-top { flex-direction: row; padding: 24px 22px 18px; }
  .intro-right { display: block; }
  .intro-desc br { display: inline; }
  .join-ways { flex-direction: row; padding: 0 22px 20px; }
  .join-or { padding: 0 4px; }
  .steps { padding: 18px 22px 22px; }
  .steps-row { flex-direction: row; flex-wrap: wrap; }
  .step { flex: 1; min-width: 130px; }
  .step-arrow { display: block; font-size: 18px; color: var(--muted); padding-top: 3px; }

  .f-inner { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* =========================================================
   데스크톱 (980px+)
========================================================= */
@media (min-width: 980px) {
  .grid { grid-template-columns: 1.05fr .95fr; gap: 14px; }

  .btns { grid-template-columns: repeat(4, 1fr); }

  .ports-grid { grid-template-columns: repeat(5, 1fr); }

  .port-viz { height: 100px; }
  .port-viz img.tree-base { width: 90px; height: 90px; }
  .fruits img { width: 18px; height: 18px; }

  .intro-top { padding: 30px 26px 22px; }
  .intro-title { font-size: clamp(24px, 3vw, 34px); }
  .intro-desc { font-size: 14px; }
  .istat-v { font-size: 22px; }
  .join-ways { padding: 0 26px 22px; }
  .steps { padding: 20px 26px 24px; }
}

/* =========================================================
   대형 화면 (1200px+)
========================================================= */
@media (min-width: 1200px) {
  .ports-grid { grid-template-columns: repeat(6, 1fr); }
}

/* =========================================================
   초소형 모바일 (480px 이하) 추가 강화
========================================================= */
@media (max-width: 480px) {
  /* 카드 패딩·반경 축소 */
  .card { padding: 12px; border-radius: 14px; }

  /* row: k/v 수직 스택으로 전환 */
  .row {
    flex-direction: column;
    gap: 3px;
    padding: 10px;
  }
  .k { font-size: 11px; }
  .v { text-align: left; font-size: 13px; }

  /* pre 코드 블록 축소 */
  pre.note {
    font-size: 11px;
    padding: 10px;
    overflow-x: auto;
  }
  .note { font-size: 12px; padding: 10px; }

  /* 타이틀 여백 축소 */
  .card-h { margin-bottom: 10px; }
  .card-t { font-size: 13px; }

  /* 히어로 버튼 전체 너비 */
  .hero-right { flex-direction: column; width: 100%; }
  .hero-right .btnx { width: 100%; text-align: center; }
}