/* ============================================================
   ProjectPadi — Design System
   Palette drawn from the Nigerian hardbound final-year project:
   wine binding cloth, gold foil embossing, paper, ink.
   ============================================================ */

:root{
  --wine:       #5C1A24;
  --wine-deep:  #3E1018;
  --wine-tint:  #7A2A36;
  --gold:       #C6A15B;
  --gold-bright:#E4CB8F;
  --paper:      #FAF7F0;
  --paper-warm: #F1EADD;
  --ink:        #241B18;
  --ink-soft:   #6E5F58;
  --line:       #E2D8C6;
  --ok:         #2E7D5B;
  --font-display:'Bricolage Grotesque', 'Arial Black', sans-serif;
  --font-body:  'Instrument Sans', 'Segoe UI', sans-serif;
  --font-doc:   Georgia, 'Times New Roman', serif;
  --radius: 14px;
  --shadow: 0 18px 40px -18px rgba(62,16,24,.35);
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
:focus-visible{ outline:3px solid var(--gold); outline-offset:3px; border-radius:4px; }

.wrap{ max-width:1120px; margin:0 auto; padding:0 24px; }

/* ---------- Type ---------- */
h1,h2,h3{ font-family:var(--font-display); line-height:1.12; letter-spacing:-.01em; }
.eyebrow{
  font-size:.78rem; letter-spacing:.18em; text-transform:uppercase;
  color:var(--wine); font-weight:700; display:inline-flex; align-items:center; gap:.6rem;
}
.eyebrow::before{ content:""; width:26px; height:2px; background:var(--gold); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  font-family:var(--font-body); font-weight:700; font-size:1rem;
  padding:.85rem 1.6rem; border-radius:999px; border:2px solid transparent;
  cursor:pointer; transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary{ background:var(--wine); color:var(--gold-bright); box-shadow:var(--shadow); }
.btn-primary:hover{ transform:translateY(-2px); background:var(--wine-tint); }
.btn-ghost{ border-color:var(--wine); color:var(--wine); background:transparent; }
.btn-ghost:hover{ background:rgba(92,26,36,.06); }
.btn-gold{ background:var(--gold); color:var(--wine-deep); }
.btn-gold:hover{ background:var(--gold-bright); }
.btn[disabled]{ opacity:.45; cursor:not-allowed; transform:none; box-shadow:none; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(250,247,240,.92); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between; height:72px;
}
.logo{ display:flex; align-items:center; gap:.6rem; font-family:var(--font-display); font-weight:800; font-size:1.25rem; color:var(--wine); }
.logo-mark{
  width:34px; height:40px; border-radius:3px 8px 8px 3px;
  background:linear-gradient(135deg, var(--wine) 60%, var(--wine-tint));
  border-left:5px solid var(--gold); position:relative; flex:none;
}
.logo-mark::after{
  content:""; position:absolute; inset:9px 7px auto 7px; height:3px;
  background:var(--gold); box-shadow:0 7px 0 var(--gold), 0 14px 0 var(--gold);
  opacity:.85;
}
.main-nav{ display:flex; align-items:center; gap:1.6rem; font-weight:600; font-size:.95rem; }
.main-nav a:not(.btn):hover{ color:var(--wine); }
.nav-toggle{ display:none; background:none; border:0; font-size:1.6rem; color:var(--wine); cursor:pointer; }

/* ---------- Hero ---------- */
.hero{ padding:72px 0 88px; overflow:hidden; }
.hero .wrap{ display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
.hero h1{ font-size:clamp(2.4rem, 5vw, 3.7rem); font-weight:800; color:var(--wine-deep); margin:1rem 0 1.2rem; }
.hero h1 em{ font-style:normal; color:var(--wine); position:relative; white-space:nowrap; }
.hero h1 em::after{
  content:""; position:absolute; left:0; right:0; bottom:.06em; height:.32em;
  background:linear-gradient(90deg, var(--gold-bright), var(--gold)); z-index:-1; border-radius:2px;
}
.hero p.lead{ font-size:1.15rem; color:var(--ink-soft); max-width:52ch; margin-bottom:1.8rem; }
.hero-ctas{ display:flex; gap:.9rem; flex-wrap:wrap; margin-bottom:1.6rem; }
.hero-note{ font-size:.88rem; color:var(--ink-soft); }
.hero-note strong{ color:var(--wine); }

/* The signature: hardbound project cover */
.book-scene{ perspective:1200px; display:flex; justify-content:center; }
.book{
  width:min(330px, 80vw); aspect-ratio:210/297;
  background:
    radial-gradient(120% 90% at 20% 10%, rgba(255,255,255,.10), transparent 55%),
    linear-gradient(135deg, var(--wine) 0%, var(--wine-deep) 100%);
  border-radius:4px 12px 12px 4px;
  border-left:12px solid var(--wine-deep);
  box-shadow:var(--shadow), inset 0 0 0 1px rgba(228,203,143,.25);
  padding:2.2rem 1.6rem; color:var(--gold-bright);
  font-family:var(--font-doc); text-align:center;
  transform:rotateY(-9deg) rotateX(2deg);
  position:relative;
}
.book::before{ /* page block */
  content:""; position:absolute; right:-7px; top:8px; bottom:8px; width:7px;
  background:repeating-linear-gradient(to bottom, #fff 0 2px, #e8e2d4 2px 4px);
  border-radius:0 3px 3px 0;
}
.book .b-frame{
  border:1.5px solid var(--gold); height:100%; border-radius:2px;
  display:flex; flex-direction:column; justify-content:space-between;
  padding:1.6rem 1rem; box-shadow:inset 0 0 0 3px rgba(198,161,91,.18);
}
.book .b-title{ font-size:.86rem; letter-spacing:.06em; text-transform:uppercase; line-height:1.5; }
.book .b-mid{ font-size:.7rem; letter-spacing:.12em; text-transform:uppercase; opacity:.9; line-height:1.9; }
.book .b-foot{ font-size:.68rem; letter-spacing:.14em; text-transform:uppercase; opacity:.85; }
.book .b-rule{ width:56px; height:1.5px; background:var(--gold); margin:.7rem auto; }

/* ---------- Sections ---------- */
section{ padding:84px 0; }
section.alt{ background:var(--paper-warm); border-block:1px solid var(--line); }
.sec-head{ max-width:640px; margin-bottom:3rem; }
.sec-head h2{ font-size:clamp(1.7rem, 3.4vw, 2.4rem); color:var(--wine-deep); margin-top:.9rem; }
.sec-head p{ color:var(--ink-soft); margin-top:.8rem; }

/* How it works */
.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem; }
.step{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:1.8rem 1.5rem;
}
.step .s-num{
  font-family:var(--font-doc); font-size:.8rem; letter-spacing:.2em;
  color:var(--wine); text-transform:uppercase;
}
.step h3{ font-size:1.15rem; margin:.7rem 0 .5rem; color:var(--wine-deep); }
.step p{ font-size:.95rem; color:var(--ink-soft); }

/* Chapter spines */
.chapters{ display:grid; grid-template-columns:repeat(5,1fr); gap:1rem; }
.spine{
  background:linear-gradient(180deg, var(--wine) 0%, var(--wine-deep) 100%);
  border-radius:6px; color:var(--gold-bright); min-height:300px;
  border-top:6px solid var(--gold);
  padding:1.3rem 1rem; display:flex; flex-direction:column; gap:.6rem;
  transition:transform .18s ease;
}
.spine:hover{ transform:translateY(-6px); }
.spine .c-label{ font-family:var(--font-doc); font-size:.72rem; letter-spacing:.22em; text-transform:uppercase; opacity:.9; }
.spine h3{ font-size:1.02rem; color:#fff; }
.spine ul{ list-style:none; margin-top:.4rem; }
.spine li{ font-size:.8rem; opacity:.85; padding:.22rem 0; border-bottom:1px dashed rgba(228,203,143,.25); }
.spine li:last-child{ border-bottom:0; }

/* Referral */
.referral-band{ background:var(--wine-deep); color:var(--paper); }
.referral-band .wrap{ display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center; }
.referral-band h2{ color:var(--gold-bright); font-size:clamp(1.7rem,3.2vw,2.3rem); margin-top:.9rem; }
.referral-band .eyebrow{ color:var(--gold); }
.referral-band .eyebrow::before{ background:var(--gold); }
.referral-band p{ color:rgba(250,247,240,.8); margin-top:.9rem; max-width:48ch; }
.code-chip{
  background:rgba(228,203,143,.1); border:1.5px dashed var(--gold);
  border-radius:var(--radius); padding:1.6rem; text-align:center;
}
.code-chip .code{
  font-family:var(--font-doc); font-size:1.7rem; letter-spacing:.28em;
  color:var(--gold-bright); display:block; margin:.5rem 0 .9rem;
}
.code-chip small{ color:rgba(250,247,240,.7); }

/* Pricing */
.plans{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem; align-items:stretch; }
.plan{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:2rem 1.6rem; display:flex; flex-direction:column;
}
.plan.featured{ border:2px solid var(--wine); box-shadow:var(--shadow); position:relative; }
.plan.featured::before{
  content:"Most students choose this"; position:absolute; top:-13px; left:50%; transform:translateX(-50%);
  background:var(--gold); color:var(--wine-deep); font-size:.72rem; font-weight:700;
  padding:.25rem .8rem; border-radius:999px; white-space:nowrap;
}
.plan h3{ color:var(--wine-deep); }
.plan .price{ font-family:var(--font-display); font-size:2rem; color:var(--wine); margin:.7rem 0; }
.plan .price span{ font-size:.85rem; color:var(--ink-soft); font-family:var(--font-body); font-weight:500; }
.plan ul{ list-style:none; margin:0 0 1.6rem; flex:1; }
.plan li{ padding:.42rem 0; font-size:.93rem; color:var(--ink-soft); display:flex; gap:.5rem; }
.plan li::before{ content:"✓"; color:var(--ok); font-weight:800; }

/* FAQ */
.faq{ max-width:760px; }
details{
  background:#fff; border:1px solid var(--line); border-radius:12px;
  padding:1.1rem 1.3rem; margin-bottom:.8rem;
}
details summary{ font-weight:700; cursor:pointer; color:var(--wine-deep); list-style:none; display:flex; justify-content:space-between; align-items:center; }
details summary::after{ content:"+"; font-size:1.3rem; color:var(--gold); }
details[open] summary::after{ content:"–"; }
details p{ margin-top:.7rem; color:var(--ink-soft); font-size:.95rem; }

/* Footer */
.site-footer{ background:var(--wine-deep); color:rgba(250,247,240,.75); padding:56px 0 32px; }
.site-footer .wrap{ display:flex; justify-content:space-between; gap:2rem; flex-wrap:wrap; }
.site-footer .logo{ color:var(--gold-bright); }
.site-footer nav{ display:flex; gap:1.4rem; font-size:.92rem; }
.site-footer nav a:hover{ color:var(--gold-bright); }
.foot-base{ border-top:1px solid rgba(228,203,143,.2); margin-top:2.2rem; padding-top:1.4rem; font-size:.82rem; text-align:center; width:100%; }

/* ============================================================
   Dashboard
   ============================================================ */
.dash-body{ background:var(--paper-warm); min-height:100vh; }
.dash-layout{ display:grid; grid-template-columns:250px 1fr; min-height:100vh; }

.dash-side{
  background:var(--wine-deep); color:var(--paper); padding:1.6rem 1.2rem;
  display:flex; flex-direction:column; gap:2rem; position:sticky; top:0; height:100vh;
}
.dash-side .logo{ color:var(--gold-bright); }
.dash-nav{ display:flex; flex-direction:column; gap:.3rem; }
.dash-nav a{
  padding:.72rem 1rem; border-radius:10px; font-weight:600; font-size:.95rem;
  color:rgba(250,247,240,.75); display:flex; align-items:center; gap:.7rem;
}
.dash-nav a:hover{ background:rgba(228,203,143,.1); color:#fff; }
.dash-nav a.active{ background:var(--gold); color:var(--wine-deep); }
.dash-side .side-foot{ margin-top:auto; font-size:.82rem; color:rgba(250,247,240,.55); }

.dash-main{ padding:2.2rem clamp(1.2rem, 3vw, 3rem); }
.dash-top{ display:flex; justify-content:space-between; align-items:center; gap:1rem; flex-wrap:wrap; margin-bottom:2rem; }
.dash-top h1{ font-size:clamp(1.5rem, 2.6vw, 2rem); color:var(--wine-deep); }
.dash-top p{ color:var(--ink-soft); font-size:.95rem; }
.avatar{
  width:46px; height:46px; border-radius:50%; background:var(--wine); color:var(--gold-bright);
  display:grid; place-items:center; font-weight:800; font-family:var(--font-display); flex:none;
}

.card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:1.6rem;
}
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.2rem; margin-bottom:1.4rem; }
.stat .k{ font-size:.8rem; text-transform:uppercase; letter-spacing:.12em; color:var(--ink-soft); }
.stat .v{ font-family:var(--font-display); font-size:1.9rem; color:var(--wine-deep); margin-top:.3rem; }
.stat .sub{ font-size:.84rem; color:var(--ok); font-weight:600; }

.card.wallet{ background:linear-gradient(135deg, var(--wine), var(--wine-deep)); border:0; color:var(--paper); }
.card.wallet .k{ color:rgba(250,247,240,.7); }
.card.wallet .v{ color:var(--gold-bright); }
.card.wallet .btn{ margin-top:.8rem; padding:.5rem 1.1rem; font-size:.85rem; }

.referral-card{ display:flex; flex-direction:column; gap:.5rem; }
.ref-code-row{
  display:flex; align-items:center; gap:.7rem; background:var(--paper);
  border:1.5px dashed var(--gold); border-radius:10px; padding:.7rem .9rem; margin-top:.4rem;
}
.ref-code-row code{ font-family:var(--font-doc); font-size:1.15rem; letter-spacing:.2em; color:var(--wine); flex:1; }
.copy-btn{
  background:var(--wine); color:var(--gold-bright); border:0; border-radius:8px;
  font-weight:700; font-size:.8rem; padding:.5rem .9rem; cursor:pointer;
}
.copy-btn:hover{ background:var(--wine-tint); }
.ref-meta{ font-size:.83rem; color:var(--ink-soft); }

/* Project card + chapter spines progress */
.project-card{ margin-bottom:1.4rem; }
.project-card .p-head{ display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap; align-items:flex-start; margin-bottom:1.4rem; }
.project-card h2{ font-size:1.2rem; color:var(--wine-deep); max-width:56ch; }
.project-card .p-meta{ font-size:.85rem; color:var(--ink-soft); margin-top:.35rem; }
.badge{ font-size:.72rem; font-weight:700; text-transform:uppercase; letter-spacing:.1em; padding:.3rem .7rem; border-radius:999px; }
.badge.progress{ background:rgba(198,161,91,.18); color:#8a6a2d; }

.spine-track{ display:grid; grid-template-columns:repeat(5,1fr); gap:.7rem; margin-bottom:1.4rem; }
.spine-mini{
  border-radius:6px; border-top:5px solid var(--gold); padding:.9rem .8rem;
  font-size:.78rem; min-height:112px; display:flex; flex-direction:column; gap:.3rem;
  background:var(--paper); border:1px solid var(--line); border-top:5px solid var(--line);
  color:var(--ink-soft);
}
.spine-mini .c{ font-family:var(--font-doc); letter-spacing:.16em; text-transform:uppercase; font-size:.64rem; }
.spine-mini strong{ font-size:.85rem; color:inherit; }
.spine-mini .state{ margin-top:auto; font-weight:700; font-size:.72rem; }
.spine-mini.done{ background:linear-gradient(180deg, var(--wine), var(--wine-deep)); border-color:var(--wine-deep); border-top-color:var(--gold); color:var(--gold-bright); }
.spine-mini.done strong{ color:#fff; }
.spine-mini.done .state{ color:var(--gold-bright); }
.spine-mini.current{ background:#fff; border:1.5px solid var(--wine); border-top:5px solid var(--gold); color:var(--ink); }
.spine-mini.current .state{ color:var(--wine); }
.p-actions{ display:flex; gap:.8rem; flex-wrap:wrap; }

/* Activity */
.activity li{ list-style:none; display:flex; gap:.9rem; padding:.8rem 0; border-bottom:1px solid var(--line); font-size:.92rem; }
.activity li:last-child{ border-bottom:0; }
.activity .dot{ width:9px; height:9px; border-radius:50%; background:var(--gold); margin-top:.5rem; flex:none; }
.activity time{ margin-left:auto; color:var(--ink-soft); font-size:.8rem; white-space:nowrap; }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero .wrap, .referral-band .wrap{ grid-template-columns:1fr; }
  .book-scene{ order:-1; }
  .steps, .plans, .grid-3{ grid-template-columns:1fr; }
  .chapters{ grid-template-columns:repeat(2,1fr); }
  .dash-layout{ grid-template-columns:1fr; }
  .dash-side{ position:static; height:auto; flex-direction:row; align-items:center; flex-wrap:wrap; gap:1rem; }
  .dash-nav{ flex-direction:row; flex-wrap:wrap; }
  .dash-side .side-foot{ display:none; }
  .spine-track{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width: 700px){
  .main-nav{
    display:none; position:absolute; top:72px; left:0; right:0;
    background:var(--paper); border-bottom:1px solid var(--line);
    flex-direction:column; padding:1.2rem 24px; align-items:flex-start;
  }
  .main-nav.open{ display:flex; }
  .nav-toggle{ display:block; }
  .chapters{ grid-template-columns:1fr; }
  .spine{ min-height:auto; }
}
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; }
  html{ scroll-behavior:auto; }
}