/* StudentPay public marketing + auth entry — Bootstrap-free layout, platform palette. */
:root {
  --sp-navy: #071a2b;
  --sp-purple: #7367f0;
  --sp-cyan: #00cfe8;
  --sp-green: #28c76f;
  --sp-orange: #ff9f43;
  --sp-red: #ea5455;
  --sp-canvas: #f4f6fb;
  --sp-ink: #172b4d;
  --sp-muted: #6b7280;
  --sp-line: #e6eaf2;
  --sp-card: #ffffff;
  --sp-shadow: 0 18px 48px rgba(7, 26, 43, 0.1);
  --sp-radius: 18px;
  --sp-font: "IBM Plex Sans Arabic", "Segoe UI", sans-serif;
  --sp-max: 1120px;
}

html[dir="ltr"] {
  --sp-font: Inter, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.sp-public {
  margin: 0;
  font-family: var(--sp-font);
  color: var(--sp-ink);
  background:
    radial-gradient(circle at top right, rgba(0, 207, 232, 0.14) 0, transparent 42%),
    radial-gradient(circle at 12% 0%, rgba(115, 103, 240, 0.12) 0, transparent 36%),
    linear-gradient(180deg, #eef2fa 0%, var(--sp-canvas) 28%, #fff 100%);
  min-height: 100vh;
}

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

.sp-skip {
  position: absolute;
  inset-inline-start: 1rem;
  top: -3rem;
  background: var(--sp-navy);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  z-index: 100;
}
.sp-skip:focus { top: 1rem; }

.sp-wrap {
  width: min(100% - 2rem, var(--sp-max));
  margin-inline: auto;
}

.sp-site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(244, 246, 251, 0.88);
  border-bottom: 1px solid rgba(230, 234, 242, 0.9);
}

.sp-site-header .sp-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.sp-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--sp-navy);
  font-weight: 700;
  text-decoration: none;
}
.sp-brand:hover { text-decoration: none; color: var(--sp-navy); }

.sp-brand-mark {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 10px;
  background: var(--sp-navy);
  color: #fff;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}

.sp-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  flex-wrap: wrap;
}

.sp-nav a {
  color: var(--sp-ink);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
}
.sp-nav a:hover { color: var(--sp-purple); }

.sp-header-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.sp-lang {
  display: inline-flex;
  border: 1px solid var(--sp-line);
  border-radius: 999px;
  overflow: hidden;
  background: #fff;
}
.sp-lang button {
  border: 0;
  background: transparent;
  padding: 0.35rem 0.7rem;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--sp-muted);
  cursor: pointer;
}
.sp-lang button[aria-pressed="true"] {
  background: var(--sp-navy);
  color: #fff;
}

.sp-btn {
  appearance: none;
  border: 0;
  border-radius: 12px;
  padding: 0.72rem 1.15rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.sp-btn:hover { text-decoration: none; transform: translateY(-1px); }
.sp-btn:focus-visible {
  outline: 3px solid rgba(115, 103, 240, 0.45);
  outline-offset: 2px;
}
.sp-btn-primary {
  background: var(--sp-navy);
  color: #fff;
  box-shadow: 0 10px 24px rgba(7, 26, 43, 0.18);
}
.sp-btn-primary:hover { color: #fff; background: #0c2438; }
.sp-btn-secondary {
  background: #fff;
  color: var(--sp-navy);
  border: 1px solid var(--sp-line);
}
.sp-btn-secondary:hover { color: var(--sp-navy); border-color: #cfd6e4; }
.sp-btn-ghost {
  background: transparent;
  color: var(--sp-navy);
  border: 1px solid transparent;
}
.sp-btn-block { width: 100%; }

.sp-menu-toggle {
  display: none;
  border: 1px solid var(--sp-line);
  background: #fff;
  border-radius: 10px;
  width: 2.5rem;
  height: 2.5rem;
  cursor: pointer;
}

.sp-hero {
  padding: 3.5rem 0 2.5rem;
}
.sp-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}
.sp-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(115, 103, 240, 0.12);
  color: var(--sp-purple);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.sp-hero h1 {
  margin: 0 0 0.9rem;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--sp-navy);
}
.sp-hero-lead {
  margin: 0 0 1.5rem;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--sp-muted);
  max-width: 36rem;
}
.sp-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.sp-preview {
  background: #fff;
  border: 1px solid var(--sp-line);
  border-radius: 22px;
  box-shadow: var(--sp-shadow);
  padding: 1rem;
  transform: perspective(1200px) rotateY(-4deg);
  transition: transform 0.35s ease;
}
html[dir="rtl"] .sp-preview { transform: perspective(1200px) rotateY(4deg); }
.sp-preview:hover { transform: none; }
.sp-preview-bar {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}
.sp-preview-bar span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #d7dde8;
}
.sp-preview-bar span:nth-child(1) { background: #ea5455; }
.sp-preview-bar span:nth-child(2) { background: #ff9f43; }
.sp-preview-bar span:nth-child(3) { background: #28c76f; }
.sp-preview-kpis {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
}
.sp-preview-kpi {
  border: 1px solid var(--sp-line);
  border-radius: 14px;
  padding: 0.85rem;
  background: linear-gradient(180deg, #fff, #f8fafc);
}
.sp-preview-kpi span {
  display: block;
  color: var(--sp-muted);
  font-size: 0.75rem;
  margin-bottom: 0.35rem;
}
.sp-preview-kpi strong {
  color: var(--sp-navy);
  font-size: 1.05rem;
}
.sp-preview-chart {
  margin-top: 0.75rem;
  height: 88px;
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(115, 103, 240, 0.18), transparent),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 18px,
      rgba(7, 26, 43, 0.04) 18px,
      rgba(7, 26, 43, 0.04) 19px
    );
  position: relative;
  overflow: hidden;
}
.sp-preview-chart::after {
  content: "";
  position: absolute;
  inset: auto 8% 18% 8%;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--sp-cyan), var(--sp-purple));
  box-shadow: 0 0 0 8px rgba(115, 103, 240, 0.08);
}

.sp-section {
  padding: 3.25rem 0;
}
.sp-section h2 {
  margin: 0 0 0.55rem;
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  color: var(--sp-navy);
  letter-spacing: -0.02em;
}
.sp-section-lead {
  margin: 0 0 1.5rem;
  color: var(--sp-muted);
  max-width: 40rem;
  line-height: 1.65;
}
.sp-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.sp-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.sp-card {
  background: var(--sp-card);
  border: 1px solid var(--sp-line);
  border-radius: var(--sp-radius);
  padding: 1.2rem;
  box-shadow: 0 10px 28px rgba(7, 26, 43, 0.05);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.sp-card:hover {
  border-color: rgba(115, 103, 240, 0.35);
  transform: translateY(-2px);
}
.sp-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  color: var(--sp-navy);
}
.sp-card p {
  margin: 0;
  color: var(--sp-muted);
  line-height: 1.6;
  font-size: 0.95rem;
}
.sp-icon {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 0.85rem;
  background: rgba(115, 103, 240, 0.12);
  color: var(--sp-purple);
  font-weight: 700;
}
.sp-icon.cyan { background: rgba(0, 207, 232, 0.14); color: #0891b2; }
.sp-icon.green { background: rgba(40, 199, 111, 0.14); color: #027a48; }
.sp-icon.navy { background: rgba(7, 26, 43, 0.1); color: var(--sp-navy); }

.sp-steps {
  counter-reset: step;
  display: grid;
  gap: 0.85rem;
}
.sp-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: start;
  background: #fff;
  border: 1px solid var(--sp-line);
  border-radius: 16px;
  padding: 1rem 1.1rem;
}
.sp-step::before {
  counter-increment: step;
  content: counter(step);
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--sp-navy);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.9rem;
}
.sp-step h3 { margin: 0 0 0.25rem; font-size: 1rem; color: var(--sp-navy); }
.sp-step p { margin: 0; color: var(--sp-muted); line-height: 1.55; }

.sp-faq details {
  background: #fff;
  border: 1px solid var(--sp-line);
  border-radius: 14px;
  padding: 0.95rem 1.1rem;
  margin-bottom: 0.65rem;
}
.sp-faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--sp-navy);
}
.sp-faq details p {
  margin: 0.65rem 0 0;
  color: var(--sp-muted);
  line-height: 1.6;
}

.sp-contact {
  background: #fff;
  border: 1px solid var(--sp-line);
  border-radius: 20px;
  padding: 1.4rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}
.sp-contact dl { margin: 0; }
.sp-contact dt {
  font-size: 0.78rem;
  color: var(--sp-muted);
  margin-top: 0.75rem;
}
.sp-contact dd { margin: 0.2rem 0 0; font-weight: 600; color: var(--sp-navy); }

.sp-site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--sp-line);
  padding: 2rem 0 2.5rem;
  background: rgba(255, 255, 255, 0.7);
}
.sp-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.25rem;
}
.sp-site-footer h2 {
  margin: 0 0 0.6rem;
  font-size: 0.95rem;
  color: var(--sp-navy);
}
.sp-site-footer p,
.sp-site-footer a {
  color: var(--sp-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}
.sp-site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}
.sp-footer-note {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--sp-line);
  color: var(--sp-muted);
  font-size: 0.85rem;
}

/* Role selection */
.sp-role-page {
  min-height: 100vh;
  display: grid;
  align-content: start;
  padding: 1.5rem 0 3rem;
}
.sp-role-hero {
  text-align: center;
  margin: 1.5rem auto 1.75rem;
  max-width: 40rem;
}
.sp-role-hero h1 {
  margin: 0 0 0.55rem;
  color: var(--sp-navy);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
}
.sp-role-hero p {
  margin: 0;
  color: var(--sp-muted);
  line-height: 1.6;
}
.sp-role-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.sp-role-card {
  background: #fff;
  border: 1px solid var(--sp-line);
  border-radius: 20px;
  padding: 1.35rem;
  box-shadow: var(--sp-shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 100%;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.sp-role-card:hover,
.sp-role-card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(115, 103, 240, 0.4);
  box-shadow: 0 22px 40px rgba(7, 26, 43, 0.12);
}
.sp-role-card h2 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--sp-navy);
}
.sp-role-card p {
  margin: 0;
  color: var(--sp-muted);
  line-height: 1.55;
  flex: 1;
}
.sp-role-note {
  margin: 1.25rem auto 0;
  max-width: 42rem;
  text-align: center;
  color: var(--sp-muted);
  font-size: 0.9rem;
}

/* Shared auth polish helpers used by institution/parent shells */
.sp-auth-links {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-top: 1.1rem;
  font-size: 0.9rem;
}
.sp-auth-meta {
  margin-top: 0.85rem;
  color: var(--sp-muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

@media (max-width: 960px) {
  .sp-hero-grid,
  .sp-grid-3,
  .sp-role-grid,
  .sp-contact,
  .sp-footer-grid {
    grid-template-columns: 1fr;
  }
  .sp-grid-2 { grid-template-columns: 1fr; }
  .sp-preview { transform: none; }
  .sp-menu-toggle { display: inline-grid; place-items: center; }
  .sp-nav {
    display: none;
    width: 100%;
    position: absolute;
    inset-inline: 0;
    top: 4.25rem;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--sp-line);
    padding: 1rem;
    flex-direction: column;
    align-items: stretch;
  }
  .sp-site-header.is-open .sp-nav { display: flex; }
  .sp-site-header .sp-wrap { flex-wrap: wrap; }
  .sp-role-page { padding: 1rem 0 2rem; }
  .sp-role-hero { margin: 1rem auto 1.25rem; }
  .sp-role-card { padding: 1.15rem; border-radius: 16px; }
}

@media (max-width: 560px) {
  .sp-site-header .sp-wrap {
    min-height: 3.75rem;
    gap: 0.5rem;
    flex-wrap: nowrap;
  }
  .sp-brand {
    min-width: 0;
    flex: 1 1 auto;
  }
  .sp-brand > span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .sp-header-actions {
    gap: 0.35rem;
    flex: 0 0 auto;
    flex-wrap: nowrap;
  }
  .sp-header-actions .sp-btn-ghost {
    padding: 0.45rem 0.65rem;
    font-size: 0.8rem;
    max-width: 8.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .sp-lang button {
    padding: 0.3rem 0.55rem;
    font-size: 0.74rem;
  }
  .sp-role-hero h1 { font-size: clamp(1.45rem, 6vw, 1.9rem); }
  .sp-role-hero p { font-size: 0.92rem; }
}

@media (max-width: 380px) {
  .sp-header-actions .sp-btn-ghost {
    padding: 0.4rem 0.5rem;
    font-size: 0.76rem;
    max-width: 7.25rem;
  }
}