/*
Theme Name: SafeW Space
Theme URI: https://safewspace.info/
Description: SafeW 私密聊天空间单页主题：深紫罗兰星空底、玻璃拟态卡片、柔和辉光，突出私密聊天与加密通信。
Version: 1.0.0
Author: SafeW
Text Domain: safew-space
Requires at least: 6.0
Tested up to: 6.8
*/

:root {
  --bg: #120a2a;
  --bg-soft: #1b1038;
  --ink: #efeaff;
  --muted: #b6a9dd;
  --violet: #8b5cf6;
  --violet-deep: #6d28d9;
  --pink: #f472b6;
  --line: rgba(167, 139, 250, 0.22);
  --glass: rgba(255, 255, 255, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(900px 620px at 12% -6%, rgba(139, 92, 246, 0.34), transparent 62%),
    radial-gradient(760px 520px at 96% 8%, rgba(244, 114, 182, 0.22), transparent 60%),
    radial-gradient(900px 700px at 50% 108%, rgba(109, 40, 217, 0.28), transparent 64%),
    var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

a { color: #c4b5fd; text-decoration: none; }
a:hover { color: #f0abfc; }

.wrap { width: min(1140px, calc(100% - 44px)); margin: 0 auto; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(18, 10, 42, 0.82);
  border-bottom: 1px solid var(--line);
}

.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 68px;
}

.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: .4px; }

.brand .dot {
  width: 34px; height: 34px; border-radius: 12px;
  background: linear-gradient(140deg, var(--violet), var(--pink));
  box-shadow: 0 10px 26px rgba(139, 92, 246, .45);
  display: grid; place-items: center;
  font-size: 15px; color: #fff;
}

.nav { display: flex; gap: 22px; font-size: 15px; color: var(--muted); }
.nav a { color: var(--muted); }
.nav a:hover { color: #fff; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px;
  font-weight: 600; font-size: 15px;
  background: linear-gradient(120deg, var(--violet), var(--pink));
  color: #fff;
  box-shadow: 0 14px 34px rgba(139, 92, 246, .38);
}
.btn:hover { color: #fff; filter: brightness(1.06); }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--ink); box-shadow: none; }

section { padding: 72px 0; }

.hero { padding: 78px 0 60px; }

.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 46px; align-items: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 15px; border-radius: 999px;
  background: var(--glass); border: 1px solid var(--line);
  font-size: 13px; letter-spacing: .6px; color: #d8ceff;
}

h1 {
  font-size: clamp(32px, 4.6vw, 52px);
  line-height: 1.28;
  margin: 22px 0 18px;
  letter-spacing: -.5px;
}

h1 em { font-style: normal; background: linear-gradient(100deg, #c4b5fd, #f9a8d4); -webkit-background-clip: text; background-clip: text; color: transparent; }

h2 { font-size: clamp(24px, 3vw, 34px); line-height: 1.4; margin: 0 0 16px; letter-spacing: -.3px; }
h3 { font-size: 19px; margin: 0 0 10px; }
p { color: var(--muted); margin: 0 0 16px; }
.lead { font-size: 17.5px; color: #ddd4ff; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

.figure {
  border-radius: 26px; overflow: hidden;
  border: 1px solid var(--line);
  background: var(--glass);
  box-shadow: 0 30px 70px rgba(9, 4, 24, .6);
}
.figure img { display: block; width: 100%; height: auto; }
.figure figcaption { padding: 12px 18px; font-size: 13.5px; color: var(--muted); border-top: 1px solid var(--line); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; align-items: center; }

.card {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 26px 24px;
  backdrop-filter: blur(10px);
}
.card .ico {
  width: 42px; height: 42px; border-radius: 13px; margin-bottom: 14px;
  background: linear-gradient(135deg, rgba(139, 92, 246, .9), rgba(244, 114, 182, .75));
  display: grid; place-items: center; font-size: 19px;
}
.card p:last-child { margin-bottom: 0; }

.section-head { max-width: 720px; margin-bottom: 34px; }

.band {
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.steps { counter-reset: step; display: grid; gap: 16px; }
.step {
  display: grid; grid-template-columns: 46px 1fr; gap: 16px;
  padding: 20px 22px; border-radius: 18px;
  background: var(--glass); border: 1px solid var(--line);
}
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-weight: 700; color: #d8b4fe; font-size: 18px;
}

.table-wrap { overflow-x: auto; border-radius: 18px; border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; background: var(--glass); font-size: 15.5px; }
th, td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--line); }
th { background: rgba(139, 92, 246, .16); color: #ede9fe; font-weight: 600; }
td { color: var(--muted); }
tr:last-child td { border-bottom: 0; }

.faq { display: grid; gap: 14px; }
details {
  border: 1px solid var(--line); border-radius: 16px;
  background: var(--glass); padding: 18px 22px;
}
details[open] { border-color: rgba(196, 181, 253, .45); }
summary { cursor: pointer; font-weight: 600; color: var(--ink); }
summary::marker { color: #a78bfa; }
details p { margin: 12px 0 0; }

.quote {
  border-left: 3px solid var(--violet);
  padding: 4px 0 4px 22px;
  font-size: 18px; color: #e6def9;
}

footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 56px;
  color: var(--muted);
  font-size: 14.5px;
}
.foot-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .hero-grid, .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .nav { display: none; }
  section { padding: 56px 0; }
}