@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* ============================================
   DESIGN TOKENS — Sashakt Scholarship Portal
   Rebuilt with an 8-point grid & semantic tokens
   ============================================ */
:root {
  /* Navy & White Core */
  --navy-900: #0B1222;
  --navy-800: #0F172A;
  --navy-700: #1E2D4A;
  --navy-600: #1E3A8A;
  --navy-500: #1D4ED8;
  --navy-400: #3B82F6;

  --white:    #FFFFFF;
  --slate-50: #F8FAFC;
  --slate-100:#F1F5F9;
  --slate-200:#E2E8F0;
  --slate-300:#CBD5E1;
  --slate-400:#94A3B8;
  --slate-500:#64748B;
  --slate-600:#475569;
  --slate-700:#334155;

  --amber-400: #FBBF24;
  --amber-500: #F59E0B;

  --red-400:  #F87171;
  --green-500:#22C55E;

  /* Semantic */
  --bg:         var(--navy-800);
  --surface:    var(--white);
  --on-surface: var(--navy-800);
  --muted:      var(--slate-500);
  --border:     var(--slate-200);
  --accent:     var(--navy-500);
  --gold:       var(--amber-500);

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,.06), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 10px 20px rgba(0,0,0,.08), 0 4px 8px rgba(0,0,0,.04);
  --shadow-xl: 0 20px 40px rgba(0,0,0,.12), 0 8px 16px rgba(0,0,0,.06);
  --shadow-float: 0 32px 64px rgba(11,18,34,.5);

  /* Radius */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-2xl: 32px;
  --r-full: 9999px;

  /* Spacing (8-point grid) */
  --sp-1:  4px;  --sp-2:  8px;  --sp-3:  12px;
  --sp-4:  16px; --sp-5:  20px; --sp-6:  24px;
  --sp-8:  32px; --sp-10: 40px; --sp-12: 48px;
  --sp-16: 64px; --sp-20: 80px;

  --ease: cubic-bezier(.25,.8,.25,1);
  --t:    all .25s var(--ease);
}

/* ============================================
   BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--on-surface);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Grid noise texture overlay on navy sections */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: .4;
}

.container-xl {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
  position: relative;
  z-index: 1;
}

/* ============================================
   PROGRESS BAR
   ============================================ */
.sticky-progress {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: transparent;
  z-index: 9999;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--navy-500), var(--amber-400));
  width: 0%;
  transition: width .5s var(--ease);
}

/* ============================================
   HEADER
   ============================================ */
.app-header {
  position: sticky;
  top: 0; z-index: 100;
  background: rgba(11, 18, 34, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) 0;
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
}
.brand-mark img {
  height: 44px;
  width: auto;
  /* Make logo visible on dark navy header */
  filter: brightness(0) invert(1);
  opacity: .9;
}
.brand-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -.3px;
}

.header-contact {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: .85rem;
  color: var(--slate-400);
}
.header-contact a {
  color: var(--amber-400);
  font-weight: 600;
  text-decoration: none;
  transition: var(--t);
}
.header-contact a:hover { color: var(--white); }

/* Info Bar */
.info-bar {
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid rgba(255,255,255,.06);
  padding: var(--sp-2) 0;
  font-size: .8rem;
  color: var(--slate-400);
}
.info-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-4);
}

/* ============================================
   HERO
   ============================================ */
.hero-band {
  padding: var(--sp-16) 0 var(--sp-10);
  text-align: center;
  position: relative;
}

/* Soft glow behind hero */
.hero-band::before {
  content: '';
  position: absolute;
  top: -10%; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 500px;
  background: radial-gradient(ellipse at center, rgba(29, 78, 216, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 6px var(--sp-3);
  background: rgba(245,158,11,.1);
  color: var(--amber-400);
  border: 1px solid rgba(245,158,11,.2);
  border-radius: var(--r-full);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: var(--sp-5);
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -.03em;
  margin-bottom: var(--sp-4);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--slate-400);
  max-width: 560px;
  margin: 0 auto var(--sp-12);
  line-height: 1.7;
}

/* ============================================
   STREAM CARDS
   ============================================ */
.stream-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
  margin-top: var(--sp-8);
}

.stream-tile {
  background: var(--white);
  border-radius: var(--r-xl);
  padding: var(--sp-8) var(--sp-6);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  box-shadow: var(--shadow-float);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  position: relative;
  overflow: hidden;
}

.stream-tile::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1.5px solid transparent;
  background: linear-gradient(135deg, rgba(29,78,216,.15), rgba(245,158,11,.1)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .3s;
}

.stream-tile:hover {
  transform: translateY(-6px);
  box-shadow: 0 40px 80px rgba(0,0,0,.35);
}
.stream-tile:hover::after { opacity: 1; }

.tile-icon {
  width: 52px; height: 52px;
  background: var(--slate-50);
  border-radius: var(--r-md);
  display: grid; place-items: center;
  font-size: 1.5rem;
  color: var(--navy-700);
  flex-shrink: 0;
  border: 1px solid var(--slate-200);
  transition: var(--t);
}
.stream-tile:hover .tile-icon {
  background: var(--navy-800);
  border-color: var(--navy-800);
  color: var(--white);
}

.tile-badge {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--navy-500);
  background: rgba(29,78,216,.07);
  padding: 3px 10px;
  border-radius: var(--r-full);
  width: fit-content;
}

.stream-tile h2 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--navy-800);
  letter-spacing: -.02em;
  margin-top: var(--sp-1);
}

.stream-tile p {
  font-size: .9rem;
  color: var(--slate-500);
  line-height: 1.6;
  flex: 1;
}

.tile-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: .85rem;
  font-weight: 700;
  color: var(--navy-600);
  transition: var(--t);
}
.stream-tile:hover .tile-cta { color: var(--navy-500); }
.tile-cta svg { transition: transform .25s; }
.stream-tile:hover .tile-cta svg { transform: translateX(4px); }

/* ============================================
   STEPPER
   ============================================ */
.stepper-wrap {
  padding: var(--sp-8) 0;
}

.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  list-style: none;
  background: rgba(255,255,255,.05);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-full);
  padding: 6px;
  width: fit-content;
  margin: 0 auto var(--sp-8);
}

.step-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 10px var(--sp-5);
  border-radius: var(--r-full);
  transition: var(--t);
  cursor: default;
}

.step-num {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: .75rem;
  font-weight: 800;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.5);
  transition: var(--t);
  flex-shrink: 0;
}

.step-label {
  font-size: .82rem;
  font-weight: 600;
  color: rgba(255,255,255,.4);
  transition: var(--t);
  white-space: nowrap;
}

.step-item.active {
  background: var(--white);
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.step-item.active .step-num {
  background: var(--navy-800);
  color: var(--white);
}
.step-item.active .step-label { color: var(--navy-800); }

.step-item.completed .step-num {
  background: var(--amber-500);
  color: var(--navy-800);
}

.step-item.completed .step-label { color: rgba(255,255,255,.65); }

/* Active step text inside white pill */
.step-item.active .step-num {
  background: var(--navy-800);
  color: var(--white);
}
.step-item.active .step-label { color: var(--navy-800); }

/* ============================================
   FORM SHELL
   ============================================ */
.form-shell {
  background: var(--white);
  border-radius: var(--r-2xl);
  box-shadow: var(--shadow-float);
  overflow: hidden;
  margin-bottom: var(--sp-16);
}

.form-body {
  padding: var(--sp-10) var(--sp-10);
}

.section-header {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  margin-bottom: var(--sp-8);
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid var(--slate-100);
}

.section-icon {
  width: 44px; height: 44px;
  background: var(--navy-800);
  border-radius: var(--r-md);
  display: grid; place-items: center;
  color: var(--white);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.section-meta .step-tag {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--amber-500);
  display: block;
  margin-bottom: 4px;
}

.section-meta h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--navy-800);
  letter-spacing: -.03em;
}

/* ============================================
   FORM FIELDS
   ============================================ */
.field-group {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--sp-4);
}

.col-4  { grid-column: span 4; }
.col-6  { grid-column: span 6; }
.col-8  { grid-column: span 8; }
.col-12 { grid-column: span 12; }

/* Bootstrap col overrides */
.row.g-4 { --bs-gutter-x: 1.25rem; --bs-gutter-y: 1.25rem; }

label.form-label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  color: var(--slate-600);
  margin-bottom: 6px;
  letter-spacing: .01em;
}

.form-control, .form-select {
  width: 100%;
  height: 44px;
  padding: 0 var(--sp-3);
  background: var(--white);
  border: 1.5px solid var(--slate-200);
  border-radius: var(--r-sm);
  font-family: inherit;
  font-size: .92rem;
  color: var(--navy-800);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}

.form-control:focus, .form-select:focus {
  border-color: var(--navy-500);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, .12);
}

.form-control::placeholder { color: var(--slate-300); font-size: .88rem; }

/* ============================================
   CHOICE CHIPS
   ============================================ */
.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.choice-row input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
}

.choice-row label {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 var(--sp-4);
  background: var(--slate-50);
  border: 1.5px solid var(--slate-200);
  border-radius: var(--r-full);
  font-size: .85rem;
  font-weight: 600;
  color: var(--slate-600);
  cursor: pointer;
  transition: all .2s;
  user-select: none;
  white-space: nowrap;
}

.choice-row label:hover {
  border-color: var(--navy-500);
  color: var(--navy-700);
  background: rgba(29,78,216,.04);
}

.choice-row label:has(input:checked) {
  background: var(--navy-800);
  border-color: var(--navy-800);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(11,18,34,.2);
}

/* ============================================
   DOCUMENT UPLOAD
   ============================================ */
.document-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
}

.document-upload {
  border: 1.5px dashed var(--slate-200);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  text-align: center;
  cursor: pointer;
  transition: all .25s;
  background: var(--slate-50);
  position: relative;
}

.document-upload:hover {
  border-color: var(--navy-500);
  background: rgba(29,78,216,.03);
}

.doc-icon-wrap {
  width: 44px; height: 44px;
  background: var(--white);
  border: 1.5px solid var(--slate-200);
  border-radius: var(--r-md);
  display: grid; place-items: center;
  margin: 0 auto var(--sp-3);
  color: var(--slate-400);
  font-size: 1.1rem;
  transition: var(--t);
}

.document-upload:hover .doc-icon-wrap {
  border-color: var(--navy-400);
  color: var(--navy-500);
  background: rgba(29,78,216,.05);
}

.doc-name {
  font-size: .88rem;
  font-weight: 700;
  color: var(--navy-800);
  margin-bottom: 4px;
}

.doc-hint {
  font-size: .75rem;
  color: var(--slate-400);
  margin-bottom: var(--sp-3);
}

.doc-badge-required {
  font-size: .68rem;
  font-weight: 700;
  color: #B91C1C;
  background: #FEF2F2;
  border: 1px solid #FECACA;
  padding: 2px 8px;
  border-radius: var(--r-full);
}

.doc-badge-optional {
  font-size: .68rem;
  font-weight: 700;
  color: var(--slate-500);
  background: var(--slate-100);
  border: 1px solid var(--slate-200);
  padding: 2px 8px;
  border-radius: var(--r-full);
}

.btn-upload {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
  padding: 7px var(--sp-4);
  font-size: .8rem;
  font-weight: 600;
  color: var(--navy-700);
  background: var(--white);
  border: 1.5px solid var(--slate-200);
  border-radius: var(--r-full);
  cursor: pointer;
  transition: var(--t);
}
.btn-upload:hover {
  border-color: var(--navy-500);
  color: var(--navy-500);
}

.doc-filename {
  font-size: .75rem;
  font-weight: 600;
  color: var(--green-500);
  margin-top: var(--sp-2);
  display: none;
}

/* ============================================
   STEP ACTIONS
   ============================================ */
.step-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-6) var(--sp-10);
  border-top: 1px solid var(--slate-100);
  background: var(--slate-50);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  height: 44px;
  padding: 0 var(--sp-6);
  background: var(--navy-800);
  color: var(--white);
  border: none;
  border-radius: var(--r-sm);
  font-family: inherit;
  font-size: .9rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--t);
  text-decoration: none;
  letter-spacing: -.01em;
}

.btn-primary:hover {
  background: var(--navy-600);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(11,18,34,.25);
}

.btn-primary.gold-btn {
  background: linear-gradient(135deg, var(--amber-500), var(--amber-400));
  color: var(--navy-800);
}
.btn-primary.gold-btn:hover {
  filter: brightness(1.05);
  box-shadow: 0 6px 20px rgba(245,158,11,.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  height: 44px;
  padding: 0 var(--sp-5);
  background: transparent;
  color: var(--slate-500);
  border: 1.5px solid var(--slate-200);
  border-radius: var(--r-sm);
  font-family: inherit;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--t);
  text-decoration: none;
}

.btn-secondary:hover {
  border-color: var(--slate-400);
  color: var(--slate-700);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: .85rem;
  font-weight: 600;
  color: var(--slate-500);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--t);
  padding: 0;
}
/* On navy hero background */
.hero-band .btn-ghost { color: var(--slate-400); }
.hero-band .btn-ghost:hover { color: var(--white); }
/* Inside white step-actions bar */
.step-actions .btn-ghost { color: var(--slate-500); }
.step-actions .btn-ghost:hover { color: var(--navy-700); }

/* Utility */
.mt-3 { margin-top: var(--sp-3) !important; }

/* ============================================
   FOOTER
   ============================================ */
.app-footer {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: var(--sp-8) 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.footer-brand img {
  height: 32px;
  width: auto;
  /* Make logo visible on dark footer */
  filter: brightness(0) invert(1);
  opacity: .55;
}
.footer-copy {
  font-size: .78rem;
  color: var(--slate-500);
  line-height: 1.6;
}
.footer-links { display: flex; gap: var(--sp-5); }
.footer-links a {
  font-size: .8rem;
  font-weight: 500;
  color: var(--slate-500);
  text-decoration: none;
  transition: var(--t);
}
.footer-links a:hover { color: var(--white); }

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up { animation: fadeUp .6s var(--ease) both; }
.fade-up-1 { animation-delay: .05s; }
.fade-up-2 { animation-delay: .12s; }
.fade-up-3 { animation-delay: .19s; }

@keyframes shake-x {
  0%,100% { transform: translateX(0); }
  20%,60% { transform: translateX(-4px); }
  40%,80% { transform: translateX(4px); }
}
.shake { animation: shake-x .35s ease; }
.field-error {
  border-color: var(--red-400) !important;
  box-shadow: 0 0 0 3px rgba(248,113,113,.15) !important;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 960px) {
  .stream-grid { grid-template-columns: 1fr; gap: var(--sp-4); }
  .form-body { padding: var(--sp-6); }
  .step-actions { padding: var(--sp-5) var(--sp-6); }
  .stepper { flex-wrap: wrap; border-radius: var(--r-xl); padding: var(--sp-2); gap: var(--sp-1); }
  .step-item { padding: 8px var(--sp-3); }
  .step-label { display: none; }
  h1 { letter-spacing: -.02em; }
}

@media (max-width: 640px) {
  .document-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: var(--sp-4); text-align: center; }
  .footer-links { justify-content: center; }
  .col-4, .col-6, .col-8 { grid-column: span 12; }
  .step-label { display: none; }
  .info-bar-inner { flex-direction: column; gap: 4px; text-align: center; }
}