/* ============================================================
   challenge.css  — hanya dimuat di challenge.php
   Tema: Clean Split-Screen + Card Grid Modern
   ============================================================ */

/* ── Reset lokal ─────────────────────────────────────────── */
.cph * { box-sizing: border-box; }

/* ═══════════════════════════════════════════════════════════
   HERO — centered overlay layout
   Gambar sebagai background, konten di tengah, kompak
═══════════════════════════════════════════════════════════ */
.cph-hero {
  margin-top: var(--navbar-h);
  position: relative;
  overflow: hidden;
  background: var(--navy-dark);
  /* tinggi proporsional, tidak memenuhi seluruh layar */
  min-height: 520px;
  display: flex;
  align-items: center;
}

/* background image, di-dim */
.cph-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: .22;
  pointer-events: none;
}

/* gradient overlay atas-bawah supaya teks tetap terbaca */
.cph-hero-img-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg,  rgba(8,16,42,.92) 0%, rgba(8,16,42,.70) 55%, rgba(8,16,42,.40) 100%),
    linear-gradient(180deg, transparent 50%, rgba(8,16,42,.5) 100%);
  pointer-events: none;
}

/* konten — centered, max-width agar tidak mepet tepi */
.cph-hero-body {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 760px;         /* batas lebar konten */
  margin: 0 auto;           /* tengah horizontal */
  padding: 72px 24px;
  text-align: center;       /* teks rata tengah */
}

.cph-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(14,165,165,.15);
  border: 1px solid rgba(14,165,165,.35);
  color: #5eead4;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.cph-hero-body h1 {
  color: #fff;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.025em;
  margin-bottom: 18px;
}

.cph-hero-body h1 em {
  font-style: normal;
  color: #5eead4;
}

.cph-hero-body > p {
  color: rgba(255,255,255,.72);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto 36px;
}

.cph-hero-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;  /* tombol di tengah */
  margin-bottom: 48px;
}

.cph-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  background: var(--teal);
  color: #fff;
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 700;
  transition: all .2s;
  border: 2px solid var(--teal);
}
.cph-btn-primary:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(14,165,165,.38);
}

.cph-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  background: transparent;
  color: rgba(255,255,255,.88);
  border: 2px solid rgba(255,255,255,.25);
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 600;
  transition: all .2s;
}
.cph-btn-outline:hover {
  border-color: #5eead4;
  color: #5eead4;
  transform: translateY(-2px);
}

/* ── stat bar di bawah tombol ────────────────────────────── */
.cph-stats {
  display: inline-flex;          /* inline agar bisa di-center */
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255,255,255,.05);
  backdrop-filter: blur(8px);
}

.cph-stat {
  padding: 16px 28px;
  text-align: center;
}

.cph-stat + .cph-stat {
  border-left: 1px solid rgba(255,255,255,.1);
}

.cph-stat-n {
  display: block;
  font-size: 1.65rem;
  font-weight: 900;
  color: #5eead4;
  line-height: 1;
  letter-spacing: -.02em;
}

.cph-stat-l {
  display: block;
  font-size: .68rem;
  font-weight: 600;
  color: rgba(255,255,255,.45);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-top: 5px;
}

/* elemen kiri/kanan hero tidak dipakai lagi — sembunyikan kalau ada sisa */
.cph-hero-left,
.cph-hero-right,
.cph-img-badge { display: none; }

/* ═══════════════════════════════════════════════════════════
   CARA KERJA — numbered steps, horizontal
═══════════════════════════════════════════════════════════ */
.cph-how {
  padding: 88px 0;
  background: #f8fafc;
}

.cph-section-head {
  text-align: center;
  margin-bottom: 60px;
}

.cph-eyebrow {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-pale);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.cph-section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 12px;
  letter-spacing: -.02em;
}

.cph-section-head p {
  color: var(--gray-400);
  font-size: .98rem;
  max-width: 500px;
  margin: 0 auto;
}

/* steps row */
.cph-steps {
  display: grid;
  grid-template-columns: 1fr 32px 1fr 32px 1fr;
  align-items: start;
  gap: 0;
  max-width: 840px;
  margin: 0 auto;
}

.cph-step {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: 18px;
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: transform .22s, box-shadow .22s;
}

.cph-step:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 36px rgba(13,27,62,.1);
}

.cph-step-n {
  position: absolute;
  top: 14px;
  right: 18px;
  font-size: 2.6rem;
  font-weight: 900;
  color: rgba(13,27,62,.035);
  line-height: 1;
  pointer-events: none;
}

.cph-step-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--teal-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  color: var(--teal);
}

.cph-step:nth-child(3) .cph-step-icon { background: #eff6ff; color: var(--blue); }
.cph-step:nth-child(5) .cph-step-icon { background: var(--emerald-light); color: var(--emerald); }

.cph-step h3 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.cph-step p  { font-size: .84rem; color: var(--gray-400); line-height: 1.55; margin: 0; }

.cph-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 52px;
  color: var(--gray-300);
}

/* ═══════════════════════════════════════════════════════════
   CHALLENGE CARDS — flat card grid
═══════════════════════════════════════════════════════════ */
.cph-cards {
  padding: 88px 0;
  background: #fff;
}

.cph-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cph-card {
  border-radius: 20px;
  overflow: hidden;
  border: 1.5px solid var(--gray-100);
  background: #fff;
  display: flex;
  flex-direction: column;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}

.cph-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 52px rgba(13,27,62,.11);
}

/* colour accent per card */
.cph-card--academic { border-top: 4px solid var(--emerald); }
.cph-card--tka      { border-top: 4px solid var(--blue); }
.cph-card--lab      { border-top: 4px solid var(--violet); }

.cph-card--academic:hover { border-color: var(--emerald-border); border-top-color: var(--emerald); }
.cph-card--tka:hover      { border-color: #93c5fd; border-top-color: var(--blue); }
.cph-card--lab:hover      { border-color: var(--violet-border); border-top-color: var(--violet); }

/* card header strip */
.cph-card-strip {
  padding: 28px 28px 22px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cph-card-ico {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cph-card--academic .cph-card-ico { background: var(--emerald-light); color: var(--emerald); }
.cph-card--tka      .cph-card-ico { background: var(--blue-light);    color: var(--blue); }
.cph-card--lab      .cph-card-ico { background: var(--violet-light);  color: var(--violet); }

.cph-card-strip h3 { font-size: 1.15rem; font-weight: 700; color: var(--navy); margin: 0; }
.cph-card-tag { font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--gray-400); margin: 0; }

/* card body */
.cph-card-body {
  padding: 22px 28px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.cph-card-body > p {
  font-size: .875rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin: 0;
}

.cph-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.cph-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .875rem;
  font-weight: 500;
  color: var(--gray-700);
}

.cph-list li svg { flex-shrink: 0; }
.cph-card--academic .cph-list li svg { color: var(--emerald); }
.cph-card--tka      .cph-list li svg { color: var(--blue); }
.cph-card--lab      .cph-list li svg { color: var(--violet); }

/* mini stat row inside card */
.cph-mini-stats {
  display: flex;
  border: 1px solid var(--gray-100);
  border-radius: 10px;
  overflow: hidden;
  background: var(--gray-50);
}

.cph-ms {
  flex: 1;
  padding: 12px 8px;
  text-align: center;
}

.cph-ms + .cph-ms { border-left: 1px solid var(--gray-100); }
.cph-ms-n { display: block; font-size: 1.3rem; font-weight: 900; color: var(--navy); line-height: 1; }
.cph-ms-l { display: block; font-size: .65rem; color: var(--gray-400); text-transform: uppercase; letter-spacing: .08em; margin-top: 3px; }

/* card footer */
.cph-card-foot {
  padding: 0 28px 28px;
}

.cph-cta-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 13px 20px;
  border-radius: 10px;
  font-size: .875rem;
  font-weight: 700;
  color: #fff;
  border: none;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s;
}

.cph-cta-btn:hover { transform: translateY(-2px); }

.cph-card--academic .cph-cta-btn { background: linear-gradient(135deg, var(--emerald) 0%, #059669 100%); }
.cph-card--tka      .cph-cta-btn { background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%); }
.cph-card--lab      .cph-cta-btn { background: linear-gradient(135deg, var(--violet) 0%, #6d28d9 100%); }

.cph-card--academic .cph-cta-btn:hover { box-shadow: 0 8px 24px rgba(16,185,129,.3); }
.cph-card--tka      .cph-cta-btn:hover { box-shadow: 0 8px 24px rgba(37,99,235,.3); }
.cph-card--lab      .cph-cta-btn:hover { box-shadow: 0 8px 24px rgba(124,58,237,.3); }

.cph-cta-btn-arrow {
  width: 28px;
  height: 28px;
  background: rgba(255,255,255,.2);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background .2s;
}

.cph-cta-btn:hover .cph-cta-btn-arrow { background: rgba(255,255,255,.3); }

/* ═══════════════════════════════════════════════════════════
   MANFAAT — 4-column icon grid
═══════════════════════════════════════════════════════════ */
.cph-benefits {
  padding: 88px 0;
  background: #f8fafc;
}

.cph-benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.cph-benefit-card {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: 18px;
  padding: 32px 22px 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform .22s, box-shadow .22s, border-color .22s;
}

.cph-benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 36px rgba(13,27,62,.09);
  border-color: var(--teal-light);
}

.cph-benefit-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--blue));
  opacity: 0;
  transition: opacity .22s;
}

.cph-benefit-card:hover::before { opacity: 1; }

.cph-benefit-ico {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.cph-benefit-card:nth-child(1) .cph-benefit-ico { background: var(--teal-pale); color: var(--teal); }
.cph-benefit-card:nth-child(2) .cph-benefit-ico { background: var(--blue-light); color: var(--blue); }
.cph-benefit-card:nth-child(3) .cph-benefit-ico { background: var(--emerald-light); color: var(--emerald); }
.cph-benefit-card:nth-child(4) .cph-benefit-ico { background: var(--violet-light); color: var(--violet); }

.cph-benefit-num {
  position: absolute;
  bottom: -10px; right: 14px;
  font-size: 4.5rem;
  font-weight: 900;
  color: rgba(13,27,62,.03);
  line-height: 1;
  pointer-events: none;
}

.cph-benefit-card h3 { font-size: .98rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.cph-benefit-card p  { font-size: .83rem; color: var(--gray-400); line-height: 1.55; margin: 0; }

/* ═══════════════════════════════════════════════════════════
   CTA BOTTOM BANNER
═══════════════════════════════════════════════════════════ */
.cph-cta {
  padding: 0 0 88px;
  background: #f8fafc;
}

.cph-cta-banner {
  background: var(--navy);
  border-radius: 24px;
  padding: 64px 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  position: relative;
  overflow: hidden;
}

.cph-cta-banner::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14,165,165,.2) 0%, transparent 65%);
  pointer-events: none;
}

.cph-cta-banner::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,.12) 0%, transparent 65%);
  pointer-events: none;
}

.cph-cta-left { max-width: 560px; position: relative; z-index: 1; }

.cph-cta-left h2 {
  color: #fff;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.02em;
  margin-bottom: 12px;
}

.cph-cta-left h2 em {
  font-style: normal;
  color: #5eead4;
}

.cph-cta-left p {
  color: rgba(255,255,255,.65);
  font-size: .95rem;
  line-height: 1.65;
  margin: 0;
}

.cph-cta-right {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.cph-cta-right .cph-btn-primary {
  white-space: nowrap;
}

.cph-cta-right .cph-btn-outline {
  white-space: nowrap;
  justify-content: center;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .cph-hero-body { max-width: 680px; }
}

@media (max-width: 900px) {
  .cph-hero { min-height: 460px; }
  .cph-hero-body { padding: 60px 24px; }
}

@media (max-width: 600px) {
  .cph-hero { min-height: 420px; }
  .cph-hero-body { padding: 52px 20px; }

  .cph-hero-body h1 { font-size: clamp(1.8rem, 7vw, 2.4rem); }

  .cph-hero-btns { flex-direction: column; align-items: center; }
  .cph-btn-primary, .cph-btn-outline { width: 100%; max-width: 320px; justify-content: center; }

  .cph-stats { flex-direction: column; width: 100%; max-width: 280px; margin: 0 auto; }
  .cph-stat + .cph-stat { border-left: none; border-top: 1px solid rgba(255,255,255,.1); }

  /* steps become single column */
  .cph-steps {
    grid-template-columns: 1fr;
    gap: 12px;
    max-width: 360px;
  }
  .cph-arrow { display: none; }

  /* cards 1 col */
  .cph-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }

  /* benefits 2 col → 1 col */
  .cph-benefit-grid { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }

  /* cta stacks */
  .cph-cta-banner { padding: 40px 24px; border-radius: 18px; }
  .cph-cta-right .cph-btn-primary,
  .cph-cta-right .cph-btn-outline { width: 100%; justify-content: center; }
}