/* ================================================
   STYLE.CSS - Portfolio Rizky Pratama
   Struktur:
   1. Global & Reset
   2. Header  - Navbar & Hero
   3. Body    - About, Skills, Projects, Contact
   4. Footer
   5. Responsive (Media Queries)
================================================ */


/* ================================================
   1. GLOBAL & RESET
================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --green:      #7fff00;
  --green-dark: #5cc800;
  --black:      #0d0d0d;
  --dark:       #141414;
  --dark2:      #1c1c1c;
  --border:     #2a2a2a;
  --text:       #e0e0e0;
  --text-muted: #888;
  --font:       'Segoe UI', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--black);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
}

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

ul {
  list-style: none;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Section title */
.section-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 40px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--green);
  display: inline-block;
  color: var(--text);
}

/* Buttons */
.btn-primary {
  display: inline-block;
  background-color: var(--green);
  color: var(--black);
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  font-size: 15px;
  transition: background-color 0.2s;
}

.btn-primary:hover {
  background-color: var(--green-dark);
}

.btn-outline {
  display: inline-block;
  border: 2px solid var(--green);
  color: var(--green);
  font-weight: 600;
  padding: 10px 28px;
  border-radius: 4px;
  font-size: 15px;
  transition: all 0.2s;
}

.btn-outline:hover {
  background-color: var(--green);
  color: var(--black);
}


/* ================================================
   2. HEADER — Navbar & Hero
================================================ */

/* --- Navbar --- */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(13, 13, 13, 0.95);
  border-bottom: 1px solid var(--border);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px 20px;
}

.nav-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  gap: 32px;
}

.nav-menu a {
  color: var(--text-muted);
  font-size: 15px;
  transition: color 0.2s;
}

.nav-menu a:hover {
  color: var(--green);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text);
  transition: 0.3s;
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav-menu.open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 57px;
  left: 0;
  right: 0;
  background-color: var(--dark);
  padding: 20px;
  gap: 16px;
  border-bottom: 1px solid var(--border);
}

/* --- Hero --- */
#hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 60px 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.hero-greeting {
  color: var(--green);
  font-size: 16px;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.hero-text h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.1;
}

.hero-role {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 500px;
  margin-bottom: 32px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}


/* ================================================
   3. BODY — About, Skills, Projects, Contact
================================================ */

/* Section spacing */
#about, #skills, #projects, #contact {
  padding: 80px 0;
}

/* Alternating background */
#about   { background-color: var(--dark); }
#skills  { background-color: var(--black); }
#projects{ background-color: var(--dark); }
#contact { background-color: var(--black); }

/* --- About --- */
.about-wrapper {
  display: flex;
  gap: 48px;
  align-items: flex-start;
}

.about-img {
  flex-shrink: 0;
}

.img-placeholder {
  width: 180px;
  height: 180px;
  background-color: var(--dark2);
  border: 2px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 2px;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.about-text p strong {
  color: var(--text);
}

.about-stats {
  display: flex;
  gap: 32px;
  margin-top: 28px;
  flex-wrap: wrap;
}

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

.stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Skills --- */
.skills-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 600px;
}



.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 15px;
}

.skill-info span:first-child {
  color: var(--text);
}

.skill-info span:last-child {
  color: var(--green);
}

.skill-bar {
  height: 6px;
  background-color: var(--dark2);
  border-radius: 4px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  width: 0;
  background-color: var(--green);
  border-radius: 4px;
  transition: width 1s ease;
}

/* --- Projects --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.project-card {
  background-color: var(--dark2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
}

.project-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
}

.card-header {
  margin-bottom: 12px;
}

.card-badge {
  background-color: rgba(127, 255, 0, 0.1);
  color: var(--green);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid rgba(127, 255, 0, 0.3);
}

.project-card h3 {
  font-size: 18px;
  color: var(--text);
  margin-bottom: 8px;
}

.project-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.card-tags span {
  font-size: 12px;
  color: var(--text-muted);
  background-color: var(--dark);
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.card-links {
  display: flex;
  gap: 16px;
}

.card-links a {
  font-size: 13px;
  color: var(--green);
  font-weight: 600;
  transition: opacity 0.2s;
}

.card-links a:hover {
  opacity: 0.75;
}

/* --- Contact --- */
.contact-desc {
  color: var(--text-muted);
  margin-bottom: 32px;
}

.contact-form {
  max-width: 520px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  background-color: var(--dark2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  padding: 12px 14px;
  border-radius: 4px;
  outline: none;
  resize: vertical;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--green);
}

.form-status {
  font-size: 14px;
  min-height: 18px;
}


/* ================================================
   4. FOOTER
================================================ */

footer {
  background-color: var(--dark);
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 24px 20px;
}

footer p {
  font-size: 14px;
  color: var(--text-muted);
}


/* ================================================
   5. RESPONSIVE — Media Queries
================================================ */

/* --- Tablet (max 768px) --- */
@media (max-width: 768px) {
  /* Header */
  .nav-menu         { display: none; }
  .hamburger        { display: flex; }

  /* Body - About */
  .about-wrapper    { flex-direction: column; gap: 28px; }
  .img-placeholder  { width: 140px; height: 140px; font-size: 32px; }

  /* Body - Projects */
  .projects-grid    { grid-template-columns: 1fr; }
}

/* --- Mobile (max 480px) --- */
@media (max-width: 480px) {
  /* Header */
  .hero-btns        { flex-direction: column; }
  .btn-primary,
  .btn-outline      { text-align: center; }

  /* Body */
  .about-stats      { gap: 20px; }
  .stat-number      { font-size: 28px; }

  /* Footer */
  footer            { padding: 20px; }
}