/* ============================================================
   Pusat Tuisyen Bijak Minda (demo fiksyen oleh Webg)
   Mobile-first, satu fail CSS, tiada dependency luaran
   ============================================================ */

/* ---------- Font ---------- */
@font-face {
  font-family: "Nunito";
  src: url("../fonts/nunito-var.woff2") format("woff2");
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}

/* ---------- Token ---------- */
:root {
  --indigo: #4F46E5;
  --indigo-gelap: #312E81;
  --indigo-muda: #818CF8;
  --indigo-pucat: #EEF2FF;
  --kuning: #FBBF24;
  --kuning-pucat: #FEF3C7;
  --bg: #FFFFFF;
  --bg-alt: #FAF5FF;
  --teks: #1F2937;
  --teks-muda: #6B7280;
  --garis: #E9E4F5;
  --radius: 16px;
  --radius-besar: 24px;
  --bayang: 0 8px 24px rgba(79, 70, 229, 0.10);
  --bayang-kecil: 0 2px 8px rgba(79, 70, 229, 0.08);
  --ribbon-tinggi: 44px;
}

/* ---------- Reset & asas ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  font-family: "Nunito", "Segoe UI", system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--teks);
  background: var(--bg);
  padding-bottom: var(--ribbon-tinggi);
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.6em; font-weight: 800; }
h1 { font-size: clamp(1.9rem, 5.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
a { color: var(--indigo); }

.wrap {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}
.wrap-sempit { max-width: 760px; }

.seksyen { padding: 64px 0; }
.seksyen-alt { background: var(--bg-alt); }
.seksyen-sub { color: var(--teks-muda); max-width: 560px; margin-bottom: 2rem; }
.nota-kecil { color: var(--teks-muda); font-size: 0.9rem; margin-top: 1rem; }

/* ---------- Pil / badge ---------- */
.pil {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 800;
  margin-bottom: 0.9rem;
}
.pil-indigo { background: var(--indigo-pucat); color: var(--indigo); }
.pil-kuning { background: var(--kuning-pucat); color: #92400E; }

/* ---------- Butang ---------- */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 800;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-utama {
  background: var(--indigo);
  color: #fff;
  box-shadow: var(--bayang);
}
.btn-utama:hover { background: #4338CA; }

.btn-garis {
  background: #fff;
  color: var(--indigo);
  border-color: var(--indigo);
}
.btn-garis:hover { background: var(--indigo-pucat); }

.btn-kuning {
  background: var(--kuning);
  color: var(--indigo-gelap);
  box-shadow: 0 8px 24px rgba(251, 191, 36, 0.35);
}
.btn-kuning:hover { background: #F59E0B; }

.btn-garis-putih {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}
.btn-garis-putih:hover { background: rgba(255, 255, 255, 0.12); }

.btn-penuh { display: block; width: 100%; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--garis);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--indigo-gelap);
  font-weight: 800;
  font-size: 1.2rem;
}
.logo-mark { display: inline-flex; }
.logo-text em { font-style: normal; color: var(--indigo); }

.nav-links {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--garis);
  box-shadow: var(--bayang);
  padding: 12px 20px 20px;
  flex-direction: column;
  gap: 4px;
}
.nav-links.buka { display: flex; }
.nav-links a {
  text-decoration: none;
  color: var(--teks);
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 12px;
}
.nav-links a:hover { background: var(--indigo-pucat); color: var(--indigo); }
.btn-nav { margin-top: 8px; color: #fff; }
.nav-links a.btn-nav:hover { background: #4338CA; color: #fff; }

.hamburger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--indigo-pucat);
  border: none;
  border-radius: 12px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  height: 3px;
  width: 100%;
  border-radius: 3px;
  background: var(--indigo);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.hamburger.aktif span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.aktif span:nth-child(2) { opacity: 0; }
.hamburger.aktif span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--bg-alt) 0%, #fff 100%);
  padding: 56px 0 40px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}
.hero-teks .sorot {
  background: linear-gradient(transparent 62%, var(--kuning) 62%);
  border-radius: 4px;
  padding: 0 2px;
}
.hero-sub { font-size: 1.1rem; color: var(--teks-muda); max-width: 520px; }
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 1.4rem 0 0.8rem;
}
.hero-nota { font-size: 0.9rem; color: var(--teks-muda); }
.hero-seni svg { width: 100%; height: auto; display: block; }

/* ---------- Statistik ---------- */
.stat { background: var(--indigo); color: #fff; padding: 40px 0; }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-angka {
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  font-weight: 800;
  color: var(--kuning);
  margin: 0;
  line-height: 1.1;
}
.stat-label { margin: 4px 0 0; font-size: 0.92rem; color: #E0E7FF; }

/* ---------- Kad umum ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.kad {
  background: #fff;
  border: 1px solid var(--garis);
  border-radius: var(--radius-besar);
  padding: 28px 24px;
  box-shadow: var(--bayang-kecil);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.kad:hover { transform: translateY(-4px); box-shadow: var(--bayang); }

/* ---------- Subjek ---------- */
.kad-subjek p { color: var(--teks-muda); }
.ikon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--indigo-pucat);
  color: var(--indigo);
  margin-bottom: 14px;
}
.tahap {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tahap li {
  background: var(--kuning-pucat);
  color: #92400E;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 3px 12px;
  border-radius: 999px;
}

/* ---------- Jadual ---------- */
.jadual-skrol {
  overflow-x: auto;
  border: 1px solid var(--garis);
  border-radius: var(--radius);
  box-shadow: var(--bayang-kecil);
  -webkit-overflow-scrolling: touch;
}
.jadual {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  background: #fff;
  font-size: 0.95rem;
}
.jadual th, .jadual td {
  padding: 12px 16px;
  text-align: left;
  white-space: nowrap;
}
.jadual thead th {
  background: var(--indigo);
  color: #fff;
  font-weight: 800;
  position: sticky;
  top: 0;
}
.jadual tbody tr:nth-child(even) { background: var(--bg-alt); }
.jadual tbody tr:hover { background: var(--indigo-pucat); }

/* ---------- Yuran ---------- */
.kad-harga { display: flex; flex-direction: column; text-align: center; }
.harga {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--indigo);
  margin: 0.2em 0;
  line-height: 1;
}
.harga span { font-size: 1rem; color: var(--teks-muda); font-weight: 700; }
.jimat { color: #92400E; background: var(--kuning-pucat); align-self: center; padding: 2px 14px; border-radius: 999px; font-size: 0.85rem; font-weight: 800; }
.senarai-semak {
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.5rem;
  text-align: left;
  flex-grow: 1;
}
.senarai-semak li {
  padding: 6px 0 6px 30px;
  position: relative;
  color: var(--teks-muda);
}
.senarai-semak li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--indigo-pucat) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%234F46E5" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"><path d="M5 13l4 4 10-10"/></svg>') center / 10px no-repeat;
}
.kad-popular {
  border: 2px solid var(--indigo);
  position: relative;
  box-shadow: var(--bayang);
}
.lencana-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--kuning);
  color: var(--indigo-gelap);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  padding: 4px 18px;
  border-radius: 999px;
  margin: 0;
}

/* ---------- Guru ---------- */
.kad-guru { text-align: center; }
.kad-guru .avatar { display: inline-flex; margin-bottom: 12px; }
.kad-guru p { color: var(--teks-muda); font-size: 0.95rem; }
.guru-subjek {
  color: var(--indigo) !important;
  font-weight: 800;
  font-size: 0.9rem !important;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.6rem;
}

/* ---------- Testimoni ---------- */
.kad-testi { margin: 0; display: flex; flex-direction: column; }
.bintang { color: var(--kuning); font-size: 1.1rem; letter-spacing: 2px; margin-bottom: 0.6rem; }
.kad-testi > p:not(.bintang) { flex-grow: 1; }
.kad-testi footer strong { display: block; color: var(--teks); }
.kad-testi footer span { color: var(--teks-muda); font-size: 0.85rem; }

/* ---------- FAQ ---------- */
.faq-senarai { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--garis);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--bayang-kecil);
}
.faq-soalan {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--teks);
  text-align: left;
  cursor: pointer;
}
.faq-soalan:hover { color: var(--indigo); }
.faq-ikon {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--indigo-pucat);
  color: var(--indigo);
  font-size: 1.2rem;
  font-weight: 800;
  transition: transform 0.2s ease;
}
.faq-soalan[aria-expanded="true"] .faq-ikon { transform: rotate(45deg); background: var(--kuning); color: var(--indigo-gelap); }
.faq-jawapan { padding: 0 20px 18px; color: var(--teks-muda); }
.faq-jawapan p { margin: 0; }

/* ---------- CTA akhir ---------- */
.cta-akhir { padding-top: 0; }
.kad-cta {
  background: linear-gradient(135deg, var(--indigo) 0%, var(--indigo-gelap) 100%);
  color: #fff;
  border-radius: var(--radius-besar);
  padding: 48px 28px;
  text-align: center;
  box-shadow: var(--bayang);
}
.kad-cta p { color: #E0E7FF; max-width: 480px; margin-left: auto; margin-right: auto; }
.cta-tengah { justify-content: center; }

/* ---------- Footer ---------- */
.footer {
  background: var(--indigo-gelap);
  color: #C7D2FE;
  padding: 48px 0 24px;
  font-size: 0.95rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.footer-logo { font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: 0.5rem; }
.footer-logo em { font-style: normal; color: var(--kuning); }
.footer-tajuk { font-weight: 800; color: #fff; margin-bottom: 0.5rem; }
.footer-pautan { list-style: none; padding: 0; margin: 0; }
.footer-pautan a { color: #C7D2FE; text-decoration: none; display: inline-block; padding: 3px 0; }
.footer-pautan a:hover { color: var(--kuning); }
.footer-bawah {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.85rem;
}
.footer-bawah p { margin: 0; }

/* ---------- Ribbon demo Webg ---------- */
.ribbon-demo {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 60;
  min-height: var(--ribbon-tinggi);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--indigo-gelap);
  border-top: 2px solid var(--kuning);
  padding: 8px 16px;
  text-align: center;
}
.ribbon-demo p { margin: 0; color: #E0E7FF; font-size: 0.9rem; font-weight: 700; }
.ribbon-demo a { color: var(--kuning); font-weight: 800; }

/* ============================================================
   Tablet & desktop
   ============================================================ */
@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1.4fr; }
}

@media (min-width: 900px) {
  .seksyen { padding: 88px 0; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-yuran { align-items: stretch; }

  .hero { padding: 80px 0 64px; }
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; gap: 48px; }

  .hamburger { display: none; }
  .nav-links {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
  }
  .btn-nav { margin-top: 0; margin-left: 8px; padding: 10px 20px; }
}

/* ---------- Aksesibiliti ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}