/* 5분스피치 공개 화면 — 첫 화면·앱 내려받기·문의 폼.
   관리자(admin.css)와 색을 맞추되 여백과 글자 크기는 크게 잡는다. */

:root {
  --ink: #16233a;
  --ink-soft: #55637a;
  --ink-faint: #8794a8;
  --line: #e3e8ee;
  --accent: #0d9488;
  --accent-deep: #0b7d73;
  --accent-soft: #e6f7f4;
  --accent-line: #b9e5de;
  --bg: #ffffff;
  --bg-tint: #f4faf9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
        "Malgun Gothic", "Noto Sans KR", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* --------------------------------------------------------------- 머리 */

.top { border-bottom: 1px solid var(--line); background: #fff; position: sticky; top: 0; z-index: 5; }
.top .wrap { display: flex; align-items: center; gap: 28px; height: 64px; }
.top .brand { font-size: 18px; font-weight: 700; color: var(--ink); letter-spacing: -.02em; }
.top .brand:hover { text-decoration: none; }
.top nav { display: flex; gap: 22px; flex: 1; }
.top nav a { color: var(--ink-soft); font-size: 15px; }
.top nav a:hover { color: var(--ink); text-decoration: none; }
.top nav a.on { color: var(--accent); font-weight: 600; }
.top .cta {
  padding: 8px 16px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}
.top .cta:hover { background: var(--accent); color: #fff; text-decoration: none; }

/* --------------------------------------------------------------- 첫 화면 */

.hero { background: linear-gradient(180deg, var(--bg-tint), #fff); border-bottom: 1px solid var(--line); }
.hero-in { display: flex; align-items: center; gap: 48px; padding: 72px 24px 80px; }
.hero-txt { flex: 1 1 480px; min-width: 0; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero h1 { margin: 0 0 18px; font-size: 42px; line-height: 1.28; letter-spacing: -.03em; }
.lead { margin: 0 0 28px; color: var(--ink-soft); font-size: 17px; max-width: 33em; }

.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }

.btn-lg {
  display: inline-block;
  padding: 13px 26px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.btn-lg:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: #fff; text-decoration: none; }
.btn-lg.ghost { background: #fff; color: var(--accent); }
.btn-lg.ghost:hover { background: var(--accent-soft); color: var(--accent-deep); }

/* 시안의 삽화 자리. 외부 이미지를 쓰지 않으려고 도형으로 대신한다. */
.hero-art { flex: 0 1 300px; display: flex; justify-content: center; }
.scene {
  position: relative;
  width: 240px; height: 240px;
  border-radius: 32px;
  background: linear-gradient(150deg, var(--accent-soft), #d5f2ec);
  display: flex; align-items: center; justify-content: center;
}
.scene .mic {
  width: 54px; height: 92px;
  border-radius: 27px 27px 12px 12px;
  background: var(--accent);
  box-shadow: 0 8px 20px rgba(13, 148, 136, .28);
}
.scene .wave {
  position: absolute;
  border: 3px solid var(--accent);
  border-radius: 50%;
  opacity: .35;
}
.scene .w1 { width: 130px; height: 130px; }
.scene .w2 { width: 170px; height: 170px; opacity: .22; }
.scene .w3 { width: 210px; height: 210px; opacity: .12; }

/* --------------------------------------------------------------- 특징 */

.feats { display: flex; gap: 28px; flex-wrap: wrap; padding-top: 64px; padding-bottom: 64px; }
.feat { flex: 1 1 260px; }
.feat h2 { margin: 0 0 8px; font-size: 18px; letter-spacing: -.01em; }
.feat p { margin: 0; color: var(--ink-soft); font-size: 15px; }

.strip { background: var(--bg-tint); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.strip-in { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 40px 24px; flex-wrap: wrap; }
.strip h2 { margin: 0 0 4px; font-size: 20px; }
.strip p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* --------------------------------------------------------------- 속장 */

.page { padding: 56px 24px 80px; }
.page.narrow { max-width: 680px; }
.page h1 { margin: 0 0 8px; font-size: 30px; letter-spacing: -.02em; }
.page .sub { margin: 0 0 32px; color: var(--ink-soft); font-size: 16px; }

.dl-card { border: 1px solid var(--line); border-radius: 14px; padding: 26px 28px; margin-bottom: 36px; }
.dl-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.dl-head h2 { margin: 0; font-size: 20px; }
.dl-head p { margin: 2px 0 0; color: var(--ink-faint); font-size: 14px; }
.dl-off {
  padding: 11px 22px;
  border: 1px dashed var(--line);
  border-radius: 999px;
  color: var(--ink-faint);
  font-size: 14px;
}
.dl-note { margin: 18px 0 0; color: var(--ink-soft); font-size: 14.5px; }
.dl-meta { display: grid; grid-template-columns: 110px 1fr; margin: 18px 0 0; font-size: 14.5px; }
.dl-meta dt { color: var(--ink-faint); padding: 5px 0; }
.dl-meta dd { margin: 0; padding: 5px 0; }

.steps h2 { margin: 0 0 12px; font-size: 18px; }
.steps ol { margin: 0; padding-left: 20px; color: var(--ink-soft); font-size: 15px; }
.steps li { margin-bottom: 7px; }

/* --------------------------------------------------------------- 폼 */

.form { margin-top: 8px; }
.f { margin-bottom: 20px; }
.f2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.f label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 600; color: var(--ink-soft); }
.f .req { color: #c0392b; }

.form input[type=text], .form input[type=email], .form textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid #cfd8e0;
  border-radius: 8px;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  background: #fff;
}
.form textarea { resize: vertical; }
.form input:focus, .form textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

.note { padding: 13px 16px; border-radius: 8px; margin-bottom: 22px; font-size: 15px; border: 1px solid transparent; }
.note.ok { background: var(--accent-soft); border-color: var(--accent-line); color: #0a5f56; }
.note.bad { background: #fbecec; border-color: #eecccc; color: #a33232; }

/* --------------------------------------------------------------- 꼬리 */

.foot { border-top: 1px solid var(--line); padding: 28px 0; color: var(--ink-faint); font-size: 14px; }
.foot .sep { margin: 0 8px; }

@media (max-width: 760px) {
  .hero-in { flex-direction: column; padding: 48px 24px 56px; }
  .hero h1 { font-size: 32px; }
  .hero-art { order: -1; }
  .top nav { gap: 14px; }
  .f2 { grid-template-columns: 1fr; }
}