/* Fortress VPN — site styles (lavender) */

:root {
  --ink: #171A2E;
  --ink-2: #2C3050;
  --muted: #5F6592;

  --lav: #E4E9FE;        /* page background, matches the App Store screenshots */
  --lav-2: #D5DDFC;      /* panels, bands */
  --lav-3: #C4CFFA;      /* borders on lavender */
  --paper: #FFFFFF;

  --violet: #5B4BE6;
  --violet-dark: #4335C7;
  --violet-soft: #EDEBFF;

  --line: #D8DDF2;

  --font-display: "IBM Plex Sans Condensed", "Arial Narrow", Helvetica, sans-serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --maxw: 1080px;
  --radius: 12px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--lav);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }
a { color: var(--violet-dark); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--ink); }

:focus-visible { outline: 3px solid var(--violet); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.skip-link { position: absolute; left: -9999px; top: 0; background: var(--violet); color: #fff; padding: 10px 16px; z-index: 50; }
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- Header ---------- */

.site-header { background: var(--lav); }
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; min-height: 72px; flex-wrap: wrap; padding-top: 14px; padding-bottom: 14px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand .appicon { width: 32px; height: 32px; border-radius: 8px; display: block; box-shadow: 0 1px 3px rgba(23,26,46,.18); }
.brand .name { font-family: var(--font-display); font-weight: 600; font-size: 20px; letter-spacing: 0.02em; text-transform: uppercase; }
.brand .name span { color: var(--violet); }

.site-nav { display: flex; gap: 22px; flex-wrap: wrap; }
.site-nav a { color: var(--muted); text-decoration: none; font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.04em; }
.site-nav a:hover { color: var(--violet-dark); }

/* ---------- Signature: rampart band ---------- */
/* Crenellated band — merlons of one section biting into the next. */

.rampart { height: 16px; background-color: var(--lav); background-image: repeating-linear-gradient(90deg, var(--paper) 0 20px, transparent 20px 40px); }
.rampart.down { background-color: var(--paper); background-image: repeating-linear-gradient(90deg, var(--lav) 0 20px, transparent 20px 40px); }
.rampart.foot { background-color: var(--lav-2); background-image: repeating-linear-gradient(90deg, var(--paper) 0 20px, transparent 20px 40px); }

/* ---------- Hero ---------- */

.hero { background: var(--lav); padding: 34px 0 62px; }
.eyebrow { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--violet); margin: 0 0 18px; }
.hero h1 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(38px, 6.2vw, 64px); line-height: 1.05; letter-spacing: -0.01em;
  margin: 0 0 20px; max-width: 17ch; color: var(--ink);
}
.hero h1 em { font-style: normal; color: var(--violet); }
.hero p.lede { font-size: clamp(17px, 2.2vw, 20px); color: var(--ink-2); max-width: 58ch; margin: 0 0 30px; }

.cta-row { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--violet); color: #fff; text-decoration: none;
  font-weight: 600; font-size: 16px; padding: 14px 26px;
  border-radius: var(--radius); border: 1px solid var(--violet-dark);
  box-shadow: 0 2px 10px rgba(91,75,230,.22);
  transition: background .18s ease, transform .18s ease;
}
.btn:hover { background: var(--violet-dark); color: #fff; transform: translateY(-1px); }
.btn svg { width: 18px; height: 18px; }
.cta-note { font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); letter-spacing: 0.03em; }

/* ---------- Gate diagram ---------- */

.gate { margin-top: 46px; border: 1px solid var(--lav-3); border-radius: var(--radius); background: var(--paper); padding: 22px 22px 18px; }
.gate-head { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.gate-title { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.status {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--violet-dark); background: var(--violet-soft); border: 1px solid var(--lav-3);
  padding: 5px 12px; border-radius: 999px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--violet); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }

.gate-track { display: grid; grid-template-columns: auto 1fr auto 1fr auto; align-items: center; gap: 12px; }
.node { text-align: center; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); }
.node .glyph {
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 8px; width: 46px; height: 46px; border-radius: 10px;
  background: var(--violet-soft); border: 1px solid var(--lav-3);
}
.node .glyph svg { width: 22px; height: 22px; }
.pipe {
  height: 3px; border-radius: 2px;
  background: repeating-linear-gradient(90deg, var(--violet) 0 10px, transparent 10px 20px);
  background-size: 20px 3px; animation: flow 1.1s linear infinite;
}
.pipe.plain { background: var(--lav-3); animation: none; }
@keyframes flow { to { background-position: 20px 0; } }
.gate-foot { margin: 18px 0 0; font-family: var(--font-mono); font-size: 12px; color: var(--muted); line-height: 1.6; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- Sections ---------- */

.section { padding: 64px 0; background: var(--paper); }
.section.tint { background: var(--lav); }
.section + .section { border-top: 1px solid var(--line); }
.section h2 { font-family: var(--font-display); font-weight: 600; font-size: clamp(26px, 3.6vw, 36px); line-height: 1.15; margin: 0 0 10px; }
.section .sub { color: var(--muted); margin: 0 0 34px; max-width: 62ch; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--lav); border: 1px solid var(--lav-3); border-radius: var(--radius); padding: 22px 22px 24px; }
.section.tint .card { background: var(--paper); border-color: var(--line); }
.card h3 { font-family: var(--font-display); font-size: 19px; font-weight: 600; margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; line-height: 1.6; }
.card .tag {
  display: inline-block; margin-bottom: 12px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--violet-dark); background: var(--violet-soft); padding: 4px 9px; border-radius: 5px;
}

/* ---------- Screenshots ---------- */

.shots { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; max-width: 720px; }
.shot { background: var(--paper); border: 1px solid var(--lav-3); border-radius: var(--radius); padding: 16px 16px 20px; }
.shot img { display: block; width: 100%; border-radius: 10px; }
.shot figcaption { margin-top: 14px; font-size: 15px; color: var(--muted); }
.shot .cap-title { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--violet-dark); margin-bottom: 5px; }

/* ---------- Plans ---------- */

.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 26px; }
.plan { background: var(--paper); border: 1px solid var(--lav-3); border-radius: var(--radius); padding: 20px 22px; }
.plan .term { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--violet); margin-bottom: 6px; }
.plan h3 { font-family: var(--font-display); font-size: 21px; margin: 0 0 6px; font-weight: 600; }
.plan p { margin: 0; color: var(--muted); font-size: 15px; }

.disclosure { background: var(--paper); border: 1px solid var(--lav-3); border-left: 3px solid var(--violet); border-radius: var(--radius); padding: 20px 22px; }
.disclosure p { margin: 0 0 10px; font-size: 15px; color: var(--muted); }
.disclosure p:last-child { margin-bottom: 0; }

/* ---------- Contact ---------- */

.contact { background: var(--paper); border: 1px solid var(--lav-3); border-radius: var(--radius); padding: 26px 24px; }
.section:not(.tint) .contact { background: var(--lav); }
.contact .mail { font-family: var(--font-mono); font-size: clamp(16px, 3vw, 22px); font-weight: 500; word-break: break-all; margin: 0; }
.meta-list { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 10px; }
.meta-list li { display: flex; gap: 12px; flex-wrap: wrap; font-size: 15px; }
.meta-list .k { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); min-width: 150px; padding-top: 3px; }

/* ---------- Legal / text pages ---------- */

.page-head { background: var(--lav); padding: 30px 0 40px; }
.page-head h1 { font-family: var(--font-display); font-weight: 600; font-size: clamp(30px, 5vw, 46px); margin: 0 0 12px; line-height: 1.1; color: var(--ink); }
.page-head .updated { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.06em; color: var(--muted); margin: 0; }

.doc { background: var(--paper); }
.doc .wrap { max-width: 780px; padding-top: 50px; padding-bottom: 64px; }
.doc h2 { font-family: var(--font-display); font-weight: 600; font-size: 22px; margin: 40px 0 12px; line-height: 1.25; }
.doc h2:first-of-type { margin-top: 0; }
.doc h3 { font-family: var(--font-display); font-size: 18px; margin: 24px 0 8px; }
.doc p, .doc li { font-size: 16.5px; color: var(--ink-2); }
.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin-bottom: 8px; }
.doc .callout { background: var(--violet-soft); border-left: 3px solid var(--violet); padding: 16px 18px; border-radius: 8px; margin: 24px 0; }
.doc .callout p { margin: 0; }

/* ---------- Footer ---------- */

.site-footer { background: var(--lav-2); color: var(--muted); padding: 38px 0 44px; font-size: 14.5px; }
.site-footer .cols { display: flex; justify-content: space-between; gap: 28px; flex-wrap: wrap; align-items: center; }
.site-footer a { color: var(--ink-2); text-decoration: none; }
.site-footer a:hover { color: var(--violet-dark); text-decoration: underline; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; font-family: var(--font-mono); font-size: 13px; }
.legal-line { margin: 26px 0 0; padding-top: 20px; border-top: 1px solid var(--lav-3); font-size: 13.5px; line-height: 1.6; }
.legal-line p { margin: 0 0 6px; }

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .grid, .plans { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .hero { padding: 24px 0 48px; }
  .section { padding: 48px 0; }
  .grid, .plans, .shots { grid-template-columns: 1fr; }
  .shots { max-width: 340px; }
  .gate-track { grid-template-columns: 1fr; gap: 10px; }
  .pipe { height: 20px; width: 3px; margin: 0 auto; background: repeating-linear-gradient(180deg, var(--violet) 0 6px, transparent 6px 12px); animation: none; }
  .pipe.plain { width: 3px; height: 20px; }
  .meta-list .k { min-width: 0; }
  .rampart, .rampart.down, .rampart.foot { background-size: 28px 100%; }
}

/* ---------- Support form ---------- */

.form-card { background: var(--paper); border: 1px solid var(--lav-3); border-radius: var(--radius); padding: 26px 24px 28px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.wide { grid-column: 1 / -1; }
.field label { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.09em; text-transform: uppercase; color: var(--muted); }
.field label .req { color: var(--violet); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: 16px; color: var(--ink);
  background: var(--lav); border: 1px solid var(--lav-3); border-radius: 8px;
  padding: 11px 13px; width: 100%;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid var(--violet); outline-offset: 1px; border-color: var(--violet); background: var(--paper); }
.field .hint { font-size: 13px; color: var(--muted); }
.field .error { font-size: 13px; color: #B0243B; display: none; }
.field.invalid .error { display: block; }
.field.invalid input, .field.invalid textarea { border-color: #B0243B; }

.form-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 22px; }
.form-note { font-size: 14px; color: var(--muted); max-width: 46ch; }
.form-status { margin-top: 16px; font-size: 15px; color: var(--violet-dark); background: var(--violet-soft); border-radius: 8px; padding: 12px 14px; display: none; }
.form-status.show { display: block; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

@media (max-width: 620px) {
  .form-grid { grid-template-columns: 1fr; }
}