/* ============================================================
   RESET & VARIABEL
============================================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Warna */
  --ink: #101b33;
  --body-text: #48597a;
  --muted: #7c8ba8;
  --primary: #2957e0;
  --primary-light: #4e7ff5;
  --sky: #33c7f0;
  --white: #ffffff;
  --tint: #eef4ff;

  --glass-bg: rgba(255, 255, 255, 0.58);
  --glass-border: rgba(255, 255, 255, 0.85);

  /* Radius & transisi */
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);

  /* Font */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: linear-gradient(180deg, #ffffff 0%, #f5f9ff 45%, var(--tint) 100%);
  color: var(--body-text);
  overflow-x: hidden;
  min-height: 100vh;
  line-height: 1.5;
}

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

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font: inherit; }

section {
  padding: 130px 8vw;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}

.section-label {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(41, 87, 224, 0.08);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 10px;
}

.section-desc {
  color: var(--muted);
  font-size: 1.02rem;
  margin-top: 10px;
}

.gradient-text {
  background: linear-gradient(120deg, var(--primary), var(--sky));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============================================================
   DEKORASI LATAR BELAKANG
============================================================ */
.bg-decor {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: -1;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  animation: float 16s ease-in-out infinite;
}

.blob-1 {
  width: 460px; height: 460px;
  background: radial-gradient(circle, #8fc0ff, transparent 70%);
  top: -140px; left: -120px;
}

.blob-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--sky), transparent 70%);
  top: 35%; right: -160px;
  animation-delay: -6s;
}

.blob-3 {
  width: 360px; height: 360px;
  background: radial-gradient(circle, #a5c9ff, transparent 70%);
  bottom: -140px; left: 15%;
  animation-delay: -11s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -25px) scale(1.06); }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(41,87,224,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(41,87,224,0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, black, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, black, transparent 75%);
}

/* ============================================================
   NAVBAR
============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 22px 8vw;
  transition: all 0.3s var(--ease);
}

.navbar.scrolled {
  padding: 14px 8vw;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  box-shadow: 0 4px 24px rgba(41, 87, 224, 0.09);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--ink);
}

.nav-logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: white;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  box-shadow: 0 6px 16px rgba(41,87,224,0.35);
}

.nav-links { display: flex; gap: 36px; }

.nav-links a {
  font-weight: 500;
  font-size: 0.94rem;
  color: var(--body-text);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--primary); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}

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

/* ============================================================
   TOMBOL & PILL
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.94rem;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: white;
  box-shadow: 0 10px 26px rgba(41, 87, 224, 0.35), inset 0 1px 1px rgba(255,255,255,0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(41, 87, 224, 0.45), inset 0 1px 1px rgba(255,255,255,0.4);
}

.btn-outline {
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(10px);
  color: var(--primary);
  border: 1.5px solid rgba(41,87,224,0.25);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.95);
  transform: translateY(-3px);
  border-color: var(--primary);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--body-text);
  box-shadow: 0 4px 14px rgba(41,87,224,0.08);
}

/* ============================================================
   HERO
============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 110px;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.eyebrow {
  display: inline-block;
  font-size: 0.88rem;
  color: var(--primary);
  background: rgba(41,87,224,0.08);
  padding: 8px 18px;
  border-radius: 999px;
  margin-bottom: 22px;
  font-weight: 500;
}

.hero-title {
  font-size: clamp(2.3rem, 4.8vw, 3.4rem);
  font-weight: 700;
  margin-bottom: 10px;
}

.hero-role {
  font-size: 1.22rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 14px;
}

.hero-tagline {
  font-size: 1.04rem;
  color: var(--muted);
  max-width: 460px;
  margin-bottom: 26px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 34px;
}

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

/* Kartu API — elemen utama/signature hero */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.api-card {
  width: 100%;
  max-width: 380px;
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 34px 76px rgba(41, 87, 224, 0.28), inset 0 1px 0 rgba(255,255,255,0.8);
  overflow: hidden;
  animation: card-float 7s ease-in-out infinite;
}

@keyframes card-float {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-16px) rotate(1deg); }
}

.api-card-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(41, 87, 224, 0.1);
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-red { background: #ff9a8f; }
.dot-yellow { background: #ffd479; }
.dot-green { background: #8fe6a3; }

.api-card-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--muted);
}

.api-card-body {
  padding: 22px 20px 8px;
}

.api-line {
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
}

.api-method {
  display: inline-block;
  color: white;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  padding: 3px 10px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.72rem;
  margin-right: 9px;
  letter-spacing: 0.03em;
}

.api-path { color: var(--ink); font-weight: 500; }

.api-json {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 2;
  color: var(--body-text);
  white-space: pre-wrap;
  word-break: break-word;
}

.api-json .k { color: var(--primary); }
.api-json .s { color: #0d9488; }

.api-card-footer {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 14px 20px;
  border-top: 1px solid rgba(41, 87, 224, 0.1);
  font-size: 0.8rem;
  color: var(--muted);
  font-family: var(--font-mono);
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #34c759;
  box-shadow: 0 0 0 0 rgba(52, 199, 89, 0.5);
  animation: pulse-dot 2.2s infinite;
}

@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(52, 199, 89, 0.5); }
  70% { box-shadow: 0 0 0 9px rgba(52, 199, 89, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 199, 89, 0); }
}

.scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--primary);
  animation: bob 2.2s ease-in-out infinite;
  opacity: 0.65;
}

@keyframes bob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-8px); }
}

/* ============================================================
   ABOUT
============================================================ */
.about-grid {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 60px;
  align-items: center;
}

.about-visual { display: flex; justify-content: center; }

.about-avatar {
  width: 200px; height: 200px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 4.4rem;
  font-weight: 700;
  color: white;
  box-shadow: 0 30px 66px rgba(41,87,224,0.4), inset 0 4px 20px rgba(255,255,255,0.3);
  border: 6px solid rgba(255,255,255,0.75);
}

.about-bio {
  font-size: 1.06rem;
  line-height: 1.85;
  color: var(--body-text);
  margin-bottom: 32px;
}

.stats-row {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.stat-card {
  flex: 1;
  min-width: 110px;
  text-align: center;
  padding: 20px 16px;
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 30px rgba(41,87,224,0.1);
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
}

.skills-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-badge {
  padding: 8px 16px;
  background: rgba(41,87,224,0.06);
  border: 1px solid rgba(41,87,224,0.15);
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--primary);
  font-family: var(--font-mono);
}

/* ============================================================
   PROJECTS
============================================================ */
.projects-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.project-card {
  transition: transform 0.15s ease-out;
  transform-style: preserve-3d;
  will-change: transform;
}

.project-card-inner {
  height: 100%;
  padding: 36px 30px;
  background: var(--glass-bg);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 22px 54px rgba(41,87,224,0.14), inset 0 1px 0 rgba(255,255,255,0.75);
  display: flex;
  flex-direction: column;
}

.project-icon {
  width: 54px; height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-bottom: 20px;
  box-shadow: 0 10px 24px rgba(41,87,224,0.35);
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ink);
}

.project-domain {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--primary);
  background: rgba(41,87,224,0.08);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
  width: fit-content;
}

.project-desc {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 22px;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.tag {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 5px 12px;
  background: rgba(41,87,224,0.06);
  color: var(--primary);
  border-radius: 999px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.95rem;
  transition: gap 0.2s;
}

.project-link:hover { gap: 12px; }

/* ============================================================
   CONTACT
============================================================ */
.contact-card {
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
  padding: 60px 44px;
  background: var(--glass-bg);
  backdrop-filter: blur(22px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 34px 76px rgba(41,87,224,0.16), inset 0 1px 0 rgba(255,255,255,0.75);
}

.contact-card p {
  margin: 16px 0 32px;
  color: var(--muted);
  line-height: 1.75;
}

.contact-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================================
   FOOTER
============================================================ */
.footer {
  text-align: center;
  padding: 34px;
  color: var(--muted);
  font-size: 0.87rem;
}

/* ============================================================
   REVEAL ANIMATION
============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--delay, 0s);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   FOKUS AKSESIBILITAS
============================================================ */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 900px) {
  section { padding: 90px 6vw; }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-badges, .hero-cta { justify-content: center; }
  .hero-tagline { margin-left: auto; margin-right: auto; }
  .hero-visual { order: -1; margin-bottom: 10px; }
  .api-card { max-width: 340px; }

  .about-grid { grid-template-columns: 1fr; text-align: center; }
  .stats-row { justify-content: center; }
  .skills-wrap { justify-content: center; }

  .projects-grid { grid-template-columns: 1fr; }

  .nav-links {
    position: fixed;
    top: 72px; right: 20px;
    flex-direction: column;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    padding: 22px 32px;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 50px rgba(41,87,224,0.2);
    gap: 18px;
    transform: translateY(-16px) scale(0.96);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s var(--ease);
  }
  .nav-links.active {
    transform: translateY(0) scale(1);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-toggle { display: flex; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; width: 100%; }
  .btn { justify-content: center; width: 100%; }
}

/* ============================================================
   HORMATI PREFERENSI REDUCED MOTION
============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}