/* STUDENT INSIGHT CENTER – FULL CSS */

:root {
  --bg: #030617;
  --bg-elevated: #080c23;
  --bg-soft: #0d132e;
  --accent: #00e0ff;
  --accent-soft: rgba(0, 224, 255, 0.12);
  --text: #f6f7ff;
  --muted: #9ca3c7;
  --border: #181e38;
  --warning: #ff4d5a;

  --mouse-x: 50%;
  --mouse-y: 50%;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* BG GRID + GLOW */

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(circle at var(--mouse-x) var(--mouse-y),
      rgba(0, 224, 255, 0.18),
      transparent 55%),
    linear-gradient(120deg, #020415 0%, #040719 45%, #020415 100%);
}

.bg-grid::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.23;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 90px 90px;
  mix-blend-mode: soft-light;
}

/* NAV BAR */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  padding-inline: 7vw;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to bottom,
    rgba(3, 6, 23, 0.95),
    rgba(3, 6, 23, 0.78),
    transparent
  );
  border-bottom: 1px solid rgba(0, 224, 255, 0.12);
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.nav.scrolled {
  background: rgba(3, 6, 23, 0.98);
  border-color: rgba(0, 224, 255, 0.4);
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.9);
}

.nav-inner {
  width: 100%;
  max-width: 1100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* BRAND – SIMPLE, CLEAN */

.nav-left.nav-home-link {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  text-decoration: none;
  color: var(--text);
  padding: 4px 0;
}

.nav-title {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.nav-title-small,
.nav-title-big {
  transition: color 0.2s ease, transform 0.2s ease;
}

.nav-title-small {
  font-size: 0.78rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 800;
}

.nav-title-big {
  font-size: 1rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  font-weight: 900;
}

.nav-left.nav-home-link:hover .nav-title-small,
.nav-left.nav-home-link:hover .nav-title-big {
  color: var(--accent);
  transform: translateY(-1px);
}

/* NAV LINKS */

.nav-links {
  list-style: none;
  display: flex;
  gap: 10px;
}

.nav-links a {
  padding: 8px 18px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
  border: 1px solid transparent;
  background: rgba(8, 12, 35, 0.8);
  backdrop-filter: blur(12px);
  transition:
    color 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease,
    transform 0.18s ease,
    background 0.22s ease;
}

.nav-links a:hover {
  color: var(--text);
  border-color: rgba(0, 224, 255, 0.7);
  background: rgba(0, 224, 255, 0.12);
  box-shadow: 0 0 18px rgba(0, 224, 255, 0.45);
  transform: translateY(-1px);
}

.nav-links a.active {
  color: var(--text);
  border-color: rgba(0, 224, 255, 0.9);
  background: linear-gradient(135deg, rgba(0, 224, 255, 0.5), rgba(8, 12, 35, 0.95));
  box-shadow:
    0 0 26px rgba(0, 224, 255, 0.8),
    0 0 60px rgba(0, 224, 255, 0.4);
}

/* HERO */

.hero {
  min-height: 100vh;
  padding: 110px 7vw 80px;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.3fr);
  gap: 36px;
  align-items: center;
}

.hero-text {
  max-width: 560px;
}

.hero-kicker {
  font-size: 0.8rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 800;
  margin-bottom: 10px;
}

.hero h1 {
  font-size: clamp(2.4rem, 4vw, 3.1rem);
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 900;
}

.accent {
  color: var(--accent);
}

.hero-sub {
  margin-top: 18px;
  color: var(--muted);
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  border-radius: 999px;
  border: none;
  padding: 12px 26px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 800;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  background: transparent;
  color: var(--text);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease,
    color 0.18s ease,
    border-color 0.18s ease;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    rgba(255, 255, 255, 0.45),
    transparent 30%,
    transparent 70%,
    rgba(255, 255, 255, 0.45)
  );
  transform: translateX(-130%);
  transition: transform 0.5s ease;
}

.btn:hover::before {
  transform: translateX(130%);
}

.btn.primary {
  background: var(--accent);
  color: #01121a;
  box-shadow: 0 0 30px rgba(0, 224, 255, 0.5);
}

.btn.primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 38px rgba(0, 224, 255, 0.7);
}

.btn.outline {
  border: 1px solid rgba(0, 224, 255, 0.6);
  color: var(--accent);
  background: rgba(5, 9, 27, 0.9);
}

.btn.outline:hover {
  background: rgba(0, 224, 255, 0.12);
  transform: translateY(-2px);
}

.hero-tags {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.75rem;
}

.hero-tags span {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0, 224, 255, 0.4);
  background: rgba(8, 12, 35, 0.85);
}

/* HERO PANEL */

.hero-panel {
  position: relative;
  background: radial-gradient(circle at top left, rgba(0, 224, 255, 0.18), var(--bg-elevated));
  border-radius: 22px;
  padding: 20px 20px 22px;
  border: 1px solid var(--border);
  box-shadow:
    0 18px 60px rgba(0, 0, 0, 0.85),
    0 -1px 0 rgba(255, 255, 255, 0.03);
  display: grid;
  grid-template-rows: auto auto auto;
  gap: 10px;
  overflow: hidden;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: -2px;
  background:
    linear-gradient(90deg, transparent, rgba(0, 224, 255, 0.5), transparent);
  opacity: 0;
  mix-blend-mode: screen;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.hero-panel:hover::before {
  opacity: 1;
}

.hero-logo-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-logo {
  width: 82%;
  max-width: 220px;
  filter:
    drop-shadow(0 0 26px rgba(0, 224, 255, 0.9))
    drop-shadow(0 0 60px rgba(0, 224, 255, 0.4));
}

.hero-panel-body h2 {
  font-size: 0.98rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 8px;
}

.hero-panel-body p {
  font-size: 0.86rem;
  color: var(--muted);
  margin-bottom: 10px;
}

.hero-list {
  list-style: none;
  font-size: 0.86rem;
  display: grid;
  gap: 6px;
}

/* HERO PANEL EXTRA DROPDOWN */

.hero-panel-extra {
  border-top: 1px solid rgba(0, 224, 255, 0.25);
  margin-top: 4px;
  padding-top: 8px;
  font-size: 0.82rem;
  color: var(--muted);
  max-height: 0;
  opacity: 0;
  transform: translateY(8px);
  overflow: hidden;
  transition:
    max-height 0.35s ease,
    opacity 0.35s ease,
    transform 0.35s ease;
}

.hero-panel-extra ul {
  list-style: none;
  display: grid;
  gap: 4px;
}

.hero-panel:hover .hero-panel-extra {
  max-height: 200px;
  opacity: 1;
  transform: translateY(0);
}

/* SECTION BASE */

.section {
  padding: 90px 7vw 80px;
}

.section-header {
  max-width: 800px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-header h2 {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  font-weight: 900;
}

.section-header p {
  margin-top: 10px;
  color: var(--muted);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

/* CARDS */

.card {
  background: linear-gradient(140deg, var(--bg-elevated), #050716);
  border-radius: 22px;
  padding: 20px 20px 22px;
  border: 1px solid var(--border);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.8);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease;
}

.card h3 {
  font-size: 0.96rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 8px;
}

.card p {
  font-size: 0.86rem;
  color: var(--muted);
}

.card:hover {
  border-color: rgba(0, 224, 255, 0.65);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 1);
}

/* TIMELINE */

.how {
  background: radial-gradient(circle at top, rgba(0, 224, 255, 0.07), transparent 60%);
}

.timeline {
  max-width: 850px;
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

.timeline-item {
  position: relative;
  padding: 16px 18px 18px 46px;
  border-radius: 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.8);
  overflow: hidden;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 16px;
  bottom: 16px;
  width: 1px;
  background: linear-gradient(to bottom, rgba(0, 224, 255, 0.8), transparent);
}

.badge {
  position: absolute;
  left: 6px;
  top: 14px;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
  background: #030617;
}

.timeline-body h3 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 6px;
}

.timeline-body p {
  font-size: 0.86rem;
  color: var(--muted);
}

/* CATEGORIES */

.categories {
  background: radial-gradient(circle at bottom, rgba(0, 224, 255, 0.07), transparent 60%);
}

.category {
  position: relative;
  overflow: hidden;
}

.category::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0 0, rgba(0, 224, 255, 0.2), transparent 60%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.category:hover::after {
  opacity: 1;
}

/* SUBMIT SECTION */

.submit {
  background: #020415;
}

.form-layout {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.8fr);
  gap: 22px;
  align-items: flex-start;
}

.idea-form {
  padding-top: 22px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field {
  margin-bottom: 14px;
}

.field label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

input,
select,
textarea {
  width: 100%;
  padding: 10px 11px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #020415;
  color: var(--text);
  font-family: inherit;
  font-size: 0.86rem;
  outline: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease,
    transform 0.08s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(0, 224, 255, 0.7);
  background: #040822;
  transform: translateY(-1px);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.form-actions {
  margin-top: 4px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.form-note {
  font-size: 0.8rem;
  color: var(--muted);
}

.form-aside {
  display: grid;
  gap: 18px;
}

.aside-card ul {
  list-style: none;
  margin-top: 8px;
  display: grid;
  gap: 4px;
  font-size: 0.86rem;
}

/* WARNING CARD */

.warning-card {
  border-radius: 20px;
  border: 1px solid rgba(255, 77, 90, 0.9);
  background: radial-gradient(circle at top left, rgba(255, 77, 90, 0.2), #160308);
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.95);
}

.warning-card h3 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #ffe6e9;
}

.warning-card p {
  margin-top: 6px;
  font-size: 0.84rem;
  color: #ffd5da;
}

.warning-card ul {
  list-style: none;
  margin-top: 6px;
  display: grid;
  gap: 4px;
  font-size: 0.82rem;
  color: #ffbcc4;
}

.form-message {
  margin-top: 18px;
  font-size: 0.86rem;
  color: var(--accent);
}

/* FAQ */

.faq-grid {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 10px;
}

details {
  background: var(--bg-elevated);
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 10px 14px;
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.16s ease;
}

details[open] {
  border-color: rgba(0, 224, 255, 0.7);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.95);
  transform: translateY(-2px);
}

summary {
  list-style: none;
  font-size: 0.88rem;
  font-weight: 700;
}

summary::-webkit-details-marker {
  display: none;
}

details p {
  margin-top: 6px;
  font-size: 0.84rem;
  color: var(--muted);
}

/* FOOTER */

.footer {
  padding: 40px 7vw 30px;
  border-top: 1px solid rgba(0, 224, 255, 0.16);
  background: rgba(2, 4, 21, 0.98);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: 10px;
}

.footer-main h3 {
  font-size: 0.96rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
}

.footer-main p {
  font-size: 0.84rem;
  color: var(--muted);
  margin-top: 4px;
}

.footer-meta {
  font-size: 0.78rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* REVEAL ON SCROLL */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.6s ease-out,
    transform 0.6s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */

@media (max-width: 980px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-panel {
    max-width: 420px;
    justify-self: center;
  }
  .form-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 800px) {
  .nav-links {
    display: none;
  }
  .hero,
  .section {
    padding-inline: 5vw;
  }
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 460px) {
  .hero h1 {
    font-size: 2.1rem;
    letter-spacing: 0.16em;
  }
}
