/* =========================================================
   Gayatri Education — Design System
   Ink navy + deep saffron + steel sky, on warm grained paper.
   Signature element: the stamped "Training Passport" timeline
   used across internship + course detail pages.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --ink:        #142A45;
  --ink-70:     rgba(20,42,69,.72);
  --ink-45:     rgba(20,42,69,.45);
  --saffron:    #D9812C;
  --saffron-dk: #B5661A;
  --sky:        #3E7CB1;
  --sky-dk:     #2C5C86;
  --paper:      #FAF4E7;
  --paper-2:    #F3EBD9;
  --card:       #FFFDF8;
  --line:       rgba(20,42,69,.14);
  --terracotta: #B5482E;
  --forest:     #2F6B4F;
  --radius:     3px;
  --shadow:     0 1px 0 rgba(20,42,69,.06), 0 8px 24px -12px rgba(20,42,69,.25);
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:
    radial-gradient(rgba(20,42,69,.035) 1px, transparent 1px) 0 0/22px 22px,
    var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:600; line-height:1.12; margin:0 0 .5em; letter-spacing:-.01em; }
h1{ font-size:clamp(2.2rem,4.6vw,3.6rem); font-weight:600; }
h2{ font-size:clamp(1.6rem,3vw,2.3rem); }
h3{ font-size:1.25rem; }
p{ margin:0 0 1em; }
.eyebrow{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--saffron-dk); display:inline-flex; align-items:center; gap:.5em; margin-bottom:.9em;
}
.eyebrow::before{ content:''; width:18px; height:1px; background:var(--saffron-dk); display:inline-block; }
.muted{ color:var(--ink-70); }
.container{ max-width:1120px; margin:0 auto; padding:0 24px; }
.container-narrow{ max-width:760px; margin:0 auto; padding:0 24px; }
section{ padding:72px 0; }
.section-tight{ padding:40px 0; }
hr.rule{ border:none; border-top:1px solid var(--line); margin:0; }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; gap:.5em; font-family:var(--font-body); font-weight:600;
  font-size:.94rem; padding:.78em 1.4em; border-radius:var(--radius); border:1px solid transparent;
  cursor:pointer; text-decoration:none; transition:transform .12s ease, box-shadow .12s ease;
}
.btn:active{ transform:translateY(1px); }
.btn-primary{ background:var(--ink); color:var(--paper); box-shadow:var(--shadow); }
.btn-primary:hover{ background:#0F2038; }
.btn-saffron{ background:var(--saffron); color:#fff; }
.btn-saffron:hover{ background:var(--saffron-dk); }
.btn-outline{ background:transparent; border-color:var(--ink); color:var(--ink); }
.btn-outline:hover{ background:var(--ink); color:var(--paper); }
.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--line); }
.btn-block{ width:100%; justify-content:center; }
.btn-sm{ padding:.5em 1em; font-size:.82rem; }
.btn[disabled], .btn.is-locked{ opacity:.5; cursor:not-allowed; }

/* Top nav */
.site-header{
  position:sticky; top:0; z-index:40; background:rgba(250,244,231,.92); backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav{ display:flex; align-items:center; justify-content:space-between; padding:16px 24px; max-width:1120px; margin:0 auto; }
.brand{ display:flex; align-items:center; gap:.6em; text-decoration:none; }
.brand-mark{
  width:34px; height:34px; border-radius:50%; background:var(--ink); color:var(--paper);
  display:flex; align-items:center; justify-content:center; font-family:var(--font-display); font-weight:700;
  transform:rotate(-4deg);
}
.brand-name{ font-family:var(--font-display); font-weight:600; font-size:1.08rem; color:var(--ink); }
.brand-name span{ color:var(--saffron-dk); }
.nav-links{ display:flex; gap:28px; list-style:none; margin:0; padding:0; font-size:.92rem; font-weight:500; }
.nav-links a{ text-decoration:none; position:relative; padding-bottom:4px; }
.nav-links a::after{ content:''; position:absolute; left:0; right:0; bottom:0; height:2px; background:var(--saffron); transform:scaleX(0); transition:transform .15s ease; }
.nav-links a:hover::after, .nav-links a.active::after{ transform:scaleX(1); }
.nav-cta{ display:flex; align-items:center; gap:12px; }
.nav-toggle{ display:none; background:none; border:none; font-size:1.4rem; cursor:pointer; }
@media (max-width:860px){
  .nav-links{ display:none; }
  .nav-toggle{ display:block; }
  .nav.is-open .nav-links{
    display:flex; flex-direction:column; position:absolute; top:66px; left:0; right:0; background:var(--paper);
    padding:20px 24px; border-bottom:1px solid var(--line); gap:16px;
  }
}

/* Footer */
.site-footer{ border-top:1px solid var(--line); margin-top:80px; padding:48px 0 28px; font-size:.88rem; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px; }
.footer-grid h4{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-70); margin-bottom:.9em; }
.footer-grid ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:.6em; }
.footer-grid a{ text-decoration:none; color:var(--ink-70); }
.footer-grid a:hover{ color:var(--ink); }
.footer-bottom{ display:flex; justify-content:space-between; margin-top:40px; padding-top:20px; border-top:1px solid var(--line); color:var(--ink-45); font-family:var(--font-mono); font-size:.72rem; }
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr 1fr; } }

/* Hero stamp */
.stamp{
  display:inline-flex; align-items:center; gap:.5em; font-family:var(--font-mono); font-size:.7rem;
  letter-spacing:.08em; text-transform:uppercase; border:1.5px dashed var(--ink-45); color:var(--ink-70);
  padding:.5em .9em; border-radius:40px; transform:rotate(-2deg);
}

/* Cards */
.card{ background:var(--card); border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow); padding:28px; }
.grid{ display:grid; gap:24px; }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:900px){ .grid-3, .grid-4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px){ .grid-2, .grid-3, .grid-4{ grid-template-columns:1fr; } }

/* Domain / course cards */
.domain-card, .course-card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:26px;
  display:flex; flex-direction:column; gap:10px; text-decoration:none; color:var(--ink); position:relative;
  transition:box-shadow .15s ease, transform .15s ease;
}
.domain-card:hover, .course-card:hover{ box-shadow:var(--shadow); transform:translateY(-2px); }
.domain-card .code, .course-card .code{ font-family:var(--font-mono); font-size:.7rem; color:var(--saffron-dk); letter-spacing:.08em; }
.pill{ display:inline-flex; align-items:center; font-family:var(--font-mono); font-size:.68rem; letter-spacing:.06em; text-transform:uppercase; padding:.3em .7em; border-radius:20px; background:var(--paper-2); color:var(--ink-70); width:fit-content; }
.pill-free{ background:rgba(47,107,79,.12); color:var(--forest); }
.pill-locked{ background:rgba(181,72,46,.1); color:var(--terracotta); }

/* Training Passport — signature timeline element */
.passport{
  display:flex; align-items:stretch; gap:0; margin:36px 0; position:relative;
  border:1px solid var(--line); border-radius:var(--radius); background:var(--card); overflow:hidden;
}
.passport::before{
  content:''; position:absolute; inset:8px; border:1px dashed var(--ink-45); pointer-events:none; border-radius:2px;
}
.passport-stage{ flex:1; padding:26px 22px; position:relative; }
.passport-stage + .passport-stage{ border-left:1px dashed var(--line); }
.passport-stage .stage-num{
  font-family:var(--font-mono); font-size:.7rem; color:var(--ink-45); letter-spacing:.08em;
}
.passport-stage h4{ font-family:var(--font-display); font-size:1.05rem; margin:.3em 0 .35em; }
.passport-stage .stage-dur{ font-family:var(--font-mono); font-size:.72rem; color:var(--saffron-dk); text-transform:uppercase; letter-spacing:.06em; margin-bottom:.5em; display:block; }
.passport-stamp{
  position:absolute; top:14px; right:14px; width:44px; height:44px; border:2px solid var(--sky); border-radius:50%;
  display:flex; align-items:center; justify-content:center; transform:rotate(-8deg); opacity:.85;
}
.passport-stamp span{ font-family:var(--font-mono); font-size:.55rem; color:var(--sky-dk); text-align:center; line-height:1.1; }
@media (max-width:760px){
  .passport{ flex-direction:column; }
  .passport-stage + .passport-stage{ border-left:none; border-top:1px dashed var(--line); }
}

/* Forms */
label{ display:block; font-size:.86rem; font-weight:600; margin-bottom:.4em; }
.field{ margin-bottom:20px; }
.field small.hint{ display:block; margin-top:.35em; color:var(--ink-45); font-size:.78rem; }
input[type=text], input[type=email], input[type=password], input[type=tel], input[type=file], select, textarea{
  width:100%; padding:.75em .9em; border:1px solid var(--line); border-radius:var(--radius);
  background:var(--card); font-family:var(--font-body); font-size:.94rem; color:var(--ink);
}
textarea{ resize:vertical; min-height:110px; }
input:focus, select:focus, textarea:focus, a:focus-visible, button:focus-visible{
  outline:2px solid var(--sky); outline-offset:2px;
}
.form-card{ max-width:560px; margin:0 auto; }
.form-row-2{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:560px){ .form-row-2{ grid-template-columns:1fr; } }
.form-error{ color:var(--terracotta); font-size:.85rem; margin-top:.4em; }
.form-note{ font-size:.82rem; color:var(--ink-45); }

/* Status badges */
.status{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.06em; text-transform:uppercase; padding:.35em .8em; border-radius:20px; display:inline-block; }
.status-review{ background:rgba(62,124,177,.14); color:var(--sky-dk); }
.status-approved{ background:rgba(47,107,79,.14); color:var(--forest); }
.status-rejected{ background:rgba(181,72,46,.12); color:var(--terracotta); }
.status-waitlisted{ background:rgba(217,129,44,.15); color:var(--saffron-dk); }

/* App shell (intern / admin dashboards) */
.app-shell{ display:flex; min-height:calc(100vh - 66px); }
.app-sidebar{ width:230px; flex:none; border-right:1px solid var(--line); padding:28px 18px; background:var(--paper-2); }
.app-sidebar nav ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:4px; }
.app-sidebar a{ display:block; text-decoration:none; padding:.65em .8em; border-radius:var(--radius); font-size:.92rem; font-weight:500; color:var(--ink-70); }
.app-sidebar a:hover, .app-sidebar a.active{ background:var(--card); color:var(--ink); }
.app-main{ flex:1; padding:36px; }
@media (max-width:760px){ .app-shell{ flex-direction:column; } .app-sidebar{ width:100%; display:flex; overflow-x:auto; } .app-sidebar nav ul{ flex-direction:row; } }

/* Tables (admin) */
table{ width:100%; border-collapse:collapse; font-size:.9rem; background:var(--card); }
th, td{ text-align:left; padding:12px 14px; border-bottom:1px solid var(--line); }
th{ font-family:var(--font-mono); font-size:.7rem; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-70); }
.table-wrap{ border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }

/* Misc */
.divider-torn{ height:14px; background:repeating-linear-gradient(115deg, var(--paper) 0 10px, transparent 10px 20px), var(--line); margin:0; }
.center{ text-align:center; }
.flex-between{ display:flex; align-items:center; justify-content:space-between; gap:16px; }
.stack-16{ display:flex; flex-direction:column; gap:16px; }
.stack-8{ display:flex; flex-direction:column; gap:8px; }
.badge-social{ display:inline-flex; align-items:center; gap:.6em; padding:.9em 1.3em; border-radius:var(--radius); text-decoration:none; font-weight:600; color:#fff; }
.badge-whatsapp{ background:#2F6B4F; }
.badge-discord{ background:#3E4CB1; }
.alert{ padding:14px 16px; border-radius:var(--radius); border:1px solid var(--line); font-size:.88rem; }
.alert-info{ background:rgba(62,124,177,.08); border-color:rgba(62,124,177,.3); }
.alert-success{ background:rgba(47,107,79,.08); border-color:rgba(47,107,79,.3); }
.alert-error{ background:rgba(181,72,46,.08); border-color:rgba(181,72,46,.3); }