/* ============================================================
   RITE APPLICATIONS PORTAL — STYLESHEET
   A finance launchpad: deep indigo ground, electric cyan +
   amber-gold accents, a living aurora, cursor-spotlight cards.

   1. Tokens (dark + light)
   2. Base / atmosphere (aurora, grain)
   3. Navigation
   4. Hero + metrics
   5. Application cards (spotlight)
   6. Footer
   7. Motion + reveals
   8. Responsive
============================================================ */

/* ---------- 1. TOKENS ---------- */
:root {
  /* Brand accents */
  --cyan: #22d3ee;
  --cyan-deep: #0891b2;
  --gold: #f5b544;
  --gold-deep: #d99423;

  /* Dark theme (default) */
  --ground: #0b1026;          /* deep indigo-navy */
  --ground-2: #070b1c;
  --panel: rgba(20, 28, 56, 0.55);
  --panel-solid: #121a36;
  --line: rgba(140, 160, 220, 0.16);
  --line-strong: rgba(140, 160, 220, 0.32);

  --text: #e8ecf6;
  --text-soft: #aab3d0;
  --text-dim: #6b78a0;

  --shadow: 0 24px 60px rgba(2, 6, 23, 0.55);
  --shadow-soft: 0 10px 30px rgba(2, 6, 23, 0.4);
  --ring: rgba(34, 211, 238, 0.55);

  /* Type */
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --display: "Segoe UI Semibold", "Segoe UI", system-ui, sans-serif;
  --mono: "Cascadia Code", "Consolas", ui-monospace, "SF Mono", monospace;

  --radius: 22px;
  --radius-sm: 14px;
  --maxw: 1140px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --t: 240ms var(--ease);
}

[data-theme="light"] {
  --ground: #eef1fa;
  --ground-2: #e3e8f6;
  --panel: rgba(255, 255, 255, 0.72);
  --panel-solid: #ffffff;
  --line: rgba(30, 45, 90, 0.12);
  --line-strong: rgba(30, 45, 90, 0.22);

  --text: #131a36;
  --text-soft: #4a5578;
  --text-dim: #8590b2;

  --shadow: 0 24px 60px rgba(40, 60, 120, 0.18);
  --shadow-soft: 0 10px 28px rgba(40, 60, 120, 0.12);
  --cyan: #0891b2;
  --ring: rgba(8, 145, 178, 0.45);
}

/* ---------- 2. BASE / ATMOSPHERE ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { min-height: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  color: var(--text);
  background: var(--ground);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background var(--t), color var(--t);
}

svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 3px solid var(--ring); outline-offset: 3px; border-radius: 10px; }

/* Aurora canvas pinned behind everything */
.aurora {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  display: block;
}

/* Subtle film grain so flat gradients don't band */
.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}
[data-theme="light"] .grain { opacity: 0.25; }

/* ---------- 3. NAVIGATION ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--panel);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 13px 24px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand { display: flex; align-items: center; gap: 12px; flex: 1 1 0; min-width: 0; }
.brand__logo {
  display: grid; place-items: center;
  height: 38px; padding: 5px 10px;
  border-radius: 9px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.brand__logo img { height: 22px; width: auto; display: block; }
.brand__divider { width: 1px; height: 22px; background: var(--line-strong); }
.brand__sub { font-size: 12px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: var(--text-soft); }

.search { position: relative; flex: 0 1 440px; width: 440px; margin: 0; }
.search__icon { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); width: 17px; height: 17px; color: var(--text-dim); }
.search__input {
  width: 100%;
  padding: 11px 42px;
  font-size: 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: border var(--t), box-shadow var(--t), background var(--t);
}
[data-theme="light"] .search__input { background: rgba(255, 255, 255, 0.8); }
.search__input::placeholder { color: var(--text-dim); }
.search__input:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 4px var(--ring); }
.search__kbd {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  font-family: var(--mono); font-size: 12px; color: var(--text-dim);
  padding: 2px 8px; border: 1px solid var(--line); border-radius: 7px;
}

.nav__actions { display: flex; align-items: center; justify-content: flex-end; gap: 12px; flex: 1 1 0; min-width: 0; }
.ghost-btn {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
  transition: transform var(--t), color var(--t), border-color var(--t);
}
.ghost-btn:hover { transform: translateY(-2px); color: var(--cyan); border-color: var(--line-strong); }
.ghost-btn svg { width: 19px; height: 19px; }
.i-sun { display: none; }
[data-theme="dark"] .i-sun { display: block; }
[data-theme="dark"] .i-moon { display: none; }

/* ---------- SHELL ---------- */
.shell {
  flex: 1;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(24px, 3vw, 36px) 24px 40px;
}

/* ---------- 4. HERO + METRICS ---------- */
.hero { max-width: 720px; }
.hero__title {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(28px, 4.4vw, 46px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -1.2px;
}
.grad {
  background: linear-gradient(100deg, var(--cyan) 10%, #7dd3fc 40%, var(--gold) 90%);
  background-size: 220% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: shimmer 7s linear infinite;
}
/* ---------- 5. APPLICATION CARDS ---------- */
.apps { margin-top: clamp(20px, 3vw, 32px); }
.apps__head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 16px; }
.apps__title { margin: 0; font-family: var(--display); font-size: 24px; font-weight: 800; letter-spacing: -.4px; }
.apps__hint { font-size: 13px; color: var(--text-dim); }

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

.card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 28px;
  min-height: 240px;
  background: var(--panel);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transform: perspective(900px) rotateX(0) rotateY(0) translateZ(0);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  will-change: transform;
}
.card:hover { border-color: var(--line-strong); box-shadow: var(--shadow); }

/* cursor-following spotlight */
.spotlight::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%),
              rgba(34, 211, 238, 0.16), transparent 60%);
  transition: opacity var(--t);
}
.card:hover.spotlight::after { opacity: 1; }
#card-invoice.spotlight::after { background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(245, 181, 68, 0.18), transparent 60%); }

/* diagonal sheen sweep on hover */
.card__sheen {
  position: absolute; top: 0; left: -120%;
  width: 70%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.10), transparent);
  transform: skewX(-18deg);
  transition: left 700ms var(--ease);
}
.card:hover .card__sheen { left: 140%; }

.card > *:not(.card__sheen):not(.spotlight) { position: relative; z-index: 1; }

.card__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; }
.card__index { font-family: var(--mono); font-size: 13px; letter-spacing: 1px; color: var(--text-dim); }
.card__status {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 11px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase;
  color: var(--cyan);
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.card__status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }

.card__icon {
  width: 60px; height: 60px;
  display: grid; place-items: center;
  border-radius: 17px;
  color: #04121a;
  margin-bottom: 20px;
  transition: transform var(--t);
}
.card:hover .card__icon { transform: translateY(-3px) scale(1.06); }
.card__icon svg { width: 28px; height: 28px; stroke-width: 2.2; }
.card__icon--cyan { background: linear-gradient(140deg, #67e8f9, var(--cyan-deep)); box-shadow: 0 12px 28px rgba(34, 211, 238, 0.3); }
.card__icon--gold { background: linear-gradient(140deg, #fcd34d, var(--gold-deep)); box-shadow: 0 12px 28px rgba(245, 181, 68, 0.3); }

.card__title { margin: 0 0 8px; font-family: var(--display); font-size: 22px; font-weight: 800; letter-spacing: -.4px; }
.card__desc { margin: 0 0 auto; font-size: 14.5px; line-height: 1.6; color: var(--text-soft); }
.card__cta {
  display: inline-flex; align-items: center; gap: 9px;
  margin-top: 26px;
  font-size: 14px; font-weight: 700;
  color: var(--text);
  transition: gap var(--t), color var(--t);
}
.card__cta svg { width: 18px; height: 18px; transition: transform var(--t); }
.card:hover .card__cta { gap: 14px; color: var(--cyan); }
#card-invoice:hover .card__cta { color: var(--gold); }
.card:hover .card__cta svg { transform: translateX(4px); }

.apps__empty {
  margin: 28px 0; padding: 44px;
  text-align: center; color: var(--text-dim);
  border: 1px dashed var(--line); border-radius: var(--radius);
}

/* ---------- 6. FOOTER ---------- */
.foot {
  margin-top: auto;
  padding: 26px 24px;
  text-align: center;
  border-top: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.foot__text { margin: 0 0 4px; font-size: 14px; color: var(--text-soft); }
.foot__text strong {
  background: linear-gradient(100deg, var(--cyan), var(--gold));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.foot__copy { margin: 0; font-size: 12px; color: var(--text-dim); }

/* ---------- 7. MOTION + REVEALS ---------- */
@keyframes shimmer { to { background-position: 220% center; } }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 600ms var(--ease), transform 600ms var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: 1ms !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 8. RESPONSIVE ---------- */
@media (max-width: 760px) {
  .nav__inner { flex-wrap: wrap; padding: 12px 16px; }
  .brand, .nav__actions { flex: 0 0 auto; }
  .search { order: 3; flex: 1 1 100%; width: auto; max-width: none; margin: 4px 0 0; }
  .nav__actions { margin-left: auto; }
  .shell { padding: 48px 16px 56px; }
  .grid { grid-template-columns: 1fr; }
}
@media (max-width: 440px) {
  .brand__sub { display: none; }
}