/* =========================================================
   PROGRAM STUDI TEKNIK KOMPUTER — style.css
   Tema: papan sirkuit (PCB) — hijau tua sebagai substrat,
   emas sebagai jalur solder/tembaga.
   ========================================================= */

/* ---------- Variabel warna & tipografi ---------- */
:root {
  --pcb-dark: #0f2b22;      /* hijau PCB tua — navbar & footer */
  --pcb-darker: #0a1e17;
  --gold: #d1a237;          /* aksen "jalur solder" */
  --paper: #faf8f2;         /* latar konten */
  --ink: #16241f;           /* teks utama */
  --ink-soft: #4b5c55;      /* teks sekunder */
  --line: #dcd6c6;          /* garis tipis */

  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-body: 'Inter', sans-serif;
}

/* ---------- Reset & elemen dasar (SELECTOR: elemen) ---------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background-color: var(--paper);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
}

p {
  color: var(--ink-soft);
}

a {
  text-decoration: none;
  color: inherit;
}

/* =========================================================
   NAVBAR (SELECTOR: class, Flexbox, Box Model)
   ========================================================= */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 48px;
  background-color: var(--pcb-dark);
  border-bottom: 3px solid var(--gold);
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* SELECTOR: ID */
#beranda {
  scroll-margin-top: 40px;
}

.navbar__mark {
  font-family: var(--font-mono);
  color: var(--pcb-dark);
  background-color: var(--gold);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
}

.navbar__name {
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.3px;
}

.navbar__menu {
  display: flex;
  gap: 32px;
}

.navbar__menu a {
  color: #cfd9d3;
  font-size: 15px;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

/* HOVER / INTERAKSI */
.navbar__menu a:hover {
  color: var(--gold);
  border-bottom: 2px solid var(--gold);
}

/* =========================================================
   HERO / HEADER
   ========================================================= */
.hero {
  max-width: 760px;
  margin: 0 auto;
  padding: 96px 24px 72px;
  text-align: center;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  margin-bottom: 20px;
}

.hero__title {
  font-size: 48px;
  color: var(--ink);
  margin-bottom: 24px;
}

.hero__desc {
  font-size: 17px;
  max-width: 560px;
  margin: 0 auto 48px;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  border-top: 1px solid var(--line);
  padding-top: 32px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat__num {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--pcb-dark);
}

.stat__label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}

/* =========================================================
   PROFIL
   ========================================================= */
.profil {
  max-width: 900px;
  margin: 0 auto;
  padding: 64px 24px;
  display: flex;
  gap: 48px;
}

.profil__label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  white-space: nowrap;
  padding-top: 6px;
}

.profil__content h2 {
  font-size: 26px;
  margin-bottom: 16px;
}

.profil__content p {
  margin-bottom: 14px;
  max-width: 620px;
}

/* =========================================================
   KEUNGGULAN — CARD GRID (Flexbox, Box Model, Border-radius)
   ========================================================= */
.keunggulan {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 24px 80px;
}

.keunggulan__title {
  font-size: 26px;
  margin: 8px 0 32px 0;
}

.card-grid {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.card {
  flex: 1 1 240px;
  background-color: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px 24px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

/* HOVER / INTERAKSI */
.card:hover {
  transform: translateY(-6px);
  border-color: var(--gold);
}

.card__icon {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 4px;
  display: block;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.card p {
  font-size: 14.5px;
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  background-color: var(--pcb-darker);
  color: #cfd9d3;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
  padding: 48px;
}

.footer__col {
  flex: 1 1 220px;
}

.footer__col h4 {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  margin-bottom: 10px;
  font-weight: 500;
}

.footer__col p {
  color: #9fb0a8;
  font-size: 14px;
  margin-bottom: 6px;
}

.footer__col--end {
  display: flex;
  align-items: flex-end;
}

.footer__col--end p {
  font-family: var(--font-mono);
  font-size: 12px;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 16px;
    padding: 20px;
  }
  .navbar__menu {
    gap: 20px;
  }
  .hero__title {
    font-size: 34px;
  }
  .hero__stats {
    flex-wrap: wrap;
    gap: 28px;
  }
  .profil {
    flex-direction: column;
    gap: 16px;
  }
}