/* ============================================================
   ANDIKA JAYA AKBARUDDIN - Personal Portfolio
   style.css - Main Stylesheet
   ============================================================ */

/* -- Google Fonts ------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* -- CSS Custom Properties (Design Tokens) ------------------ */
:root {
  --bg-primary:        #0d1117;
  --bg-secondary:      #161b22;
  --bg-card:           #1c2433;
  --bg-card-hover:     #212d40;
  --border:            rgba(255, 255, 255, 0.08);
  --border-hover:      rgba(99, 179, 237, 0.4);
  --text-primary:      #f0f6fc;
  --text-secondary:    #8b949e;
  --text-muted:        #6e7681;
  --accent:            #63b3ed;
  --accent-dark:       #3a8fce;
  --accent-glow:       rgba(99, 179, 237, 0.15);
  --accent-gradient:   linear-gradient(135deg, #63b3ed 0%, #5a67d8 100%);
  --nav-bg:            rgba(13, 17, 23, 0.88);
  --shadow-card:       0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-hover:      0 8px 40px rgba(99, 179, 237, 0.18);
  --timeline-line:     rgba(99, 179, 237, 0.25);
  --timeline-dot:      #63b3ed;
  --section-padding:   6rem 0;
  --container-max:     1100px;
  --radius-sm:         8px;
  --radius-md:         14px;
  --radius-lg:         22px;
  --radius-xl:         32px;
  --font-heading:      'Outfit', sans-serif;
  --font-body:         'Inter', sans-serif;
  --transition-fast:   0.18s ease;
  --transition-base:   0.28s ease;
  --transition-slow:   0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-primary:        #f6f8fa;
  --bg-secondary:      #ffffff;
  --bg-card:           #ffffff;
  --bg-card-hover:     #f0f5ff;
  --border:            rgba(0, 0, 0, 0.08);
  --border-hover:      rgba(58, 143, 206, 0.4);
  --text-primary:      #0d1117;
  --text-secondary:    #4a5568;
  --text-muted:        #718096;
  --accent:            #3a8fce;
  --accent-dark:       #2c73a8;
  --accent-glow:       rgba(58, 143, 206, 0.1);
  --nav-bg:            rgba(246, 248, 250, 0.9);
  --shadow-card:       0 2px 16px rgba(0, 0, 0, 0.09);
  --shadow-hover:      0 8px 32px rgba(58, 143, 206, 0.16);
  --timeline-line:     rgba(58, 143, 206, 0.2);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
}

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: var(--section-padding); }
.section-header { margin-bottom: 3rem; }

.section-label {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--accent-gradient);
  border-radius: 2px;
  margin-top: 0.6rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 3rem;
}

/* -- Reveal Animation --------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* -- Buttons ------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all var(--transition-base);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 14px rgba(99, 179, 237, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(99, 179, 237, 0.45); }
.btn-outline { background: transparent; color: var(--accent); border: 1.5px solid var(--accent); }
.btn-outline:hover { background: var(--accent-glow); transform: translateY(-2px); }
.btn-wa {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37,211,102,0.3);
}
.btn-wa:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,211,102,0.4); }

/* ============================================================
   NAVIGATION
   ============================================================ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition-base), border-color var(--transition-base);
}
.nav-inner {
  max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem;
  height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.nav-logo {
  font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700;
  color: var(--text-primary); text-decoration: none; letter-spacing: -0.01em; flex-shrink: 0;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 0.25rem; list-style: none; }
.nav-links a {
  font-size: 0.88rem; font-weight: 500; color: var(--text-secondary);
  text-decoration: none; padding: 0.45rem 0.8rem; border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); background: var(--accent-glow); }
.nav-controls { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.theme-toggle {
  width: 38px; height: 38px; border-radius: 50%; border: 1.5px solid var(--border);
  background: var(--bg-card); color: var(--text-secondary); font-size: 1rem;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.lang-toggle {
  display: flex; align-items: center;
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); overflow: hidden;
}
.lang-btn {
  padding: 0.4rem 0.65rem; cursor: pointer; background: transparent;
  border: none; color: var(--text-muted); font-weight: 600; font-size: 0.78rem;
  letter-spacing: 0.04em; font-family: var(--font-body); transition: all var(--transition-fast);
}
.lang-btn.active { background: var(--accent-gradient); color: #fff; }
.lang-btn:hover:not(.active) { color: var(--accent); background: var(--accent-glow); }
.hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  padding: 6px; border: none; background: transparent; border-radius: var(--radius-sm);
}
.hamburger span {
  width: 22px; height: 2px; background: var(--text-secondary);
  border-radius: 2px; transition: all var(--transition-base); display: block;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-drawer {
  display: none; position: fixed; top: 64px; left: 0; right: 0;
  background: var(--nav-bg); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem 1.5rem; z-index: 999; flex-direction: column; gap: 0.25rem;
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  font-size: 0.95rem; font-weight: 500; color: var(--text-secondary);
  text-decoration: none; padding: 0.6rem 0.8rem; border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.nav-drawer a:hover { color: var(--accent); background: var(--accent-glow); }

/* ============================================================
   HERO
   ============================================================ */
#hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding-top: 64px;
}
#hero::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
                    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px; opacity: 0.4; pointer-events: none;
}
#hero::after {
  content: ''; position: absolute; top: 20%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(99,179,237,0.12) 0%, transparent 65%);
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 1;
  max-width: var(--container-max); margin: 0 auto; padding: 4rem 1.5rem;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--accent-glow); border: 1px solid var(--border-hover);
  border-radius: 100px; padding: 0.3rem 0.9rem;
  font-size: 0.82rem; font-weight: 600; color: var(--accent);
  margin-bottom: 1.5rem; letter-spacing: 0.04em;
}
.hero-eyebrow::before {
  content: ''; width: 6px; height: 6px; background: var(--accent);
  border-radius: 50%; animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}
.hero-name {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 800; line-height: 1.08; letter-spacing: -0.03em;
  color: var(--text-primary); margin-bottom: 0.5rem;
}
.hero-name .accent-word {
  background: var(--accent-gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.25rem); color: var(--text-secondary);
  font-weight: 400; margin-bottom: 1.8rem; max-width: 520px;
}
.hero-desc {
  font-size: 1.05rem; color: var(--text-secondary);
  line-height: 1.8; max-width: 600px; margin-bottom: 2.5rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-scroll {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
  color: var(--text-muted); font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  animation: bob 2.5s ease-in-out infinite;
}
.hero-scroll::after {
  content: ''; width: 1px; height: 36px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
@keyframes bob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ============================================================
   ABOUT
   ============================================================ */
#tentang { background: var(--bg-secondary); }
.about-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 4rem; align-items: center; }
.about-avatar-wrap { position: relative; display: flex; justify-content: center; }
.about-avatar {
  width: 200px; height: 200px; border-radius: var(--radius-xl);
  background: var(--accent-gradient);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-size: 4rem; font-weight: 800; color: #fff;
  box-shadow: 0 20px 60px rgba(99, 179, 237, 0.3);
  position: relative; z-index: 1;
}
.about-avatar-ring {
  position: absolute; width: 240px; height: 240px;
  border-radius: var(--radius-xl); border: 2px dashed rgba(99,179,237,0.25);
  animation: spin-slow 20s linear infinite;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
@keyframes spin-slow {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}
.about-text p { color: var(--text-secondary); font-size: 1.02rem; line-height: 1.85; margin-bottom: 1.2rem; }
.about-badges { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; }
.badge {
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-secondary); font-size: 0.8rem; font-weight: 500;
  padding: 0.35rem 0.75rem; border-radius: 100px; transition: all var(--transition-fast);
}
.badge:hover { border-color: var(--accent); color: var(--accent); }

/* ============================================================
   SKILLS
   ============================================================ */
#keahlian { background: var(--bg-primary); }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.25rem; }
.skill-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 1.6rem;
  transition: all var(--transition-base); cursor: default;
  position: relative; overflow: hidden;
}
.skill-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 2px; background: var(--accent-gradient);
  transform: scaleX(0); transform-origin: left; transition: transform var(--transition-base);
}
.skill-card:hover { border-color: var(--border-hover); background: var(--bg-card-hover); transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.skill-card:hover::before { transform: scaleX(1); }
.skill-icon { font-size: 2rem; margin-bottom: 0.9rem; display: block; line-height: 1; }
.skill-card h3 { font-family: var(--font-heading); font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.4rem; }
.skill-card p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.65; }

/* ============================================================
   EXPERIENCE TIMELINE
   ============================================================ */
#pengalaman { background: var(--bg-secondary); }
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before {
  content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px;
  width: 2px; background: linear-gradient(to bottom, var(--accent), var(--timeline-line));
  border-radius: 2px;
}
.timeline-item { position: relative; margin-bottom: 2.5rem; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute; left: -2.5rem; top: 6px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--timeline-dot); border: 3px solid var(--bg-secondary);
  box-shadow: 0 0 0 3px rgba(99,179,237,0.2); transition: box-shadow var(--transition-base);
}
.timeline-item:hover .timeline-dot { box-shadow: 0 0 0 6px rgba(99,179,237,0.15); }
.timeline-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 1.5rem 1.75rem;
  transition: all var(--transition-base);
}
.timeline-card:hover { border-color: var(--border-hover); transform: translateX(4px); box-shadow: var(--shadow-hover); }
.timeline-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 0.25rem; flex-wrap: wrap; }
.timeline-role { font-family: var(--font-heading); font-size: 1.05rem; font-weight: 700; color: var(--text-primary); }
.timeline-badge {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-glow);
  border: 1px solid rgba(99,179,237,0.25); padding: 0.2rem 0.6rem;
  border-radius: 100px; white-space: nowrap; flex-shrink: 0;
}
.timeline-badge.past { color: var(--text-muted); background: transparent; border-color: var(--border); }
.timeline-company { font-size: 0.88rem; font-weight: 500; color: var(--accent); margin-bottom: 0.6rem; }
.timeline-desc { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.7; }

/* ============================================================
   PROJECTS
   ============================================================ */
#proyek { background: var(--bg-primary); }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 1.5rem; }
.project-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--transition-base); display: flex; flex-direction: column;
}
.project-card:hover { border-color: var(--border-hover); transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.project-banner {
  height: 160px; display: flex; align-items: center;
  justify-content: center; font-size: 3.5rem; position: relative; overflow: hidden;
}
.project-banner-dorsa { background: linear-gradient(135deg, #1a2a1a 0%, #2d4a2d 50%, #1f3b1f 100%); }
.project-banner-vibin { background: linear-gradient(135deg, #2a1a2e 0%, #4a1e5c 50%, #3b1a48 100%); }
.project-banner::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.3), transparent);
}
.project-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.project-tag { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.5rem; }
.project-title { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.6rem; }
.project-desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; flex: 1; margin-bottom: 1.25rem; }
.project-links { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.project-link {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.82rem; font-weight: 600; color: var(--accent); text-decoration: none;
  padding: 0.4rem 0.85rem; border: 1px solid rgba(99,179,237,0.3);
  border-radius: var(--radius-sm); background: var(--accent-glow);
  transition: all var(--transition-fast);
}
.project-link:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-1px); }

/* ============================================================
   EDUCATION
   ============================================================ */
#pendidikan { background: var(--bg-secondary); }
.edu-main {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem 2.5rem; margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: 1.5rem; transition: all var(--transition-base);
}
.edu-main:hover { border-color: var(--border-hover); box-shadow: var(--shadow-hover); }
.edu-icon { font-size: 2.5rem; flex-shrink: 0; }
.edu-main .edu-degree { font-family: var(--font-heading); font-size: 1.15rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.2rem; }
.edu-main .edu-school { font-size: 1rem; font-weight: 600; color: var(--accent); margin-bottom: 0.2rem; }
.edu-main .edu-note { font-size: 0.85rem; color: var(--text-muted); }
.edu-others { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.edu-pill {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 100px; padding: 0.4rem 1rem;
  font-size: 0.83rem; color: var(--text-secondary); font-weight: 500;
  display: flex; align-items: center; gap: 0.4rem;
}

/* ============================================================
   INTERESTS
   ============================================================ */
#minat { background: var(--bg-primary); }
.interests-grid { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.interest-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.4rem 1.8rem;
  text-align: center; min-width: 140px; transition: all var(--transition-base); cursor: default;
}
.interest-item:hover { border-color: var(--border-hover); background: var(--bg-card-hover); transform: translateY(-4px) scale(1.03); box-shadow: var(--shadow-hover); }
.interest-icon { font-size: 2rem; margin-bottom: 0.6rem; display: block; }
.interest-label { font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); }

/* ============================================================
   CONTACT
   ============================================================ */
#kontak { background: var(--bg-secondary); }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.contact-info p { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 2rem; }
.contact-items { display: flex; flex-direction: column; gap: 1rem; }
.contact-item {
  display: flex; align-items: center; gap: 1rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 1rem 1.25rem;
  text-decoration: none; transition: all var(--transition-base); color: inherit;
}
.contact-item:hover { border-color: var(--border-hover); background: var(--bg-card-hover); transform: translateX(4px); box-shadow: var(--shadow-hover); }
.contact-item-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.contact-item-icon.email-icon { background: rgba(99,179,237,0.15); }
.contact-item-icon.wa-icon { background: rgba(72,187,120,0.15); }
.contact-item-icon.upwork-icon { background: rgba(20,168,0,0.13); }
.contact-item-text strong {
  display: block; font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.1rem;
}
.contact-item-text span { font-size: 0.95rem; font-weight: 500; color: var(--text-primary); }
.contact-cta {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2.5rem;
  text-align: center; position: relative; overflow: hidden;
}
.contact-cta::before {
  content: ''; position: absolute; top: -40px; right: -40px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, var(--accent-glow), transparent 65%);
  pointer-events: none;
}
.contact-cta h3 { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.75rem; }
.contact-cta p { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 2rem; line-height: 1.7; }
.contact-cta-buttons { display: flex; flex-direction: column; gap: 0.75rem; }

/* ============================================================
   FOOTER
   ============================================================ */
footer { background: var(--bg-primary); border-top: 1px solid var(--border); padding: 2rem 1.5rem; text-align: center; }
footer p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.8; }
footer span { color: var(--accent); font-weight: 600; }

/* ============================================================
   BACK TO TOP
   ============================================================ */
#back-to-top {
  position: fixed; bottom: 1.75rem; right: 1.75rem;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--accent-gradient); border: none; color: #fff;
  font-size: 1.1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(99,179,237,0.4);
  opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: all var(--transition-base); z-index: 900;
}
#back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
#back-to-top:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(99,179,237,0.5); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; text-align: center; }
  .about-badges { justify-content: center; }
  .contact-wrapper { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 640px) {
  :root { --section-padding: 4rem 0; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .edu-main { flex-direction: column; text-align: center; padding: 1.5rem; }
  .timeline { padding-left: 2rem; }
  .interests-grid { gap: 0.75rem; }
  .interest-item { min-width: 120px; padding: 1.1rem 1.2rem; }
}


/* ============================================================
   LUCIDE ICON STYLES
   Mengatur ukuran, warna, dan posisi semua Lucide line icons.
   ============================================================ */

/* -- Global icon reset ------------------------------------- */
[data-lucide] {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

/* -- Theme toggle icon ------------------------------------- */
.theme-toggle [data-lucide] {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
}

/* -- Hero button icons ------------------------------------- */
.btn [data-lucide] {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 2.2;
}

/* -- Skill card icons -------------------------------------- */
.skill-icon [data-lucide] {
  width: 32px;
  height: 32px;
  stroke: var(--accent);
  stroke-width: 1.6;
  transition: stroke var(--transition-fast);
}

.skill-card:hover .skill-icon [data-lucide] {
  stroke: var(--accent);
  filter: drop-shadow(0 0 6px rgba(99, 179, 237, 0.45));
}

/* -- Timeline dot icons ------------------------------------ */
.timeline-dot {
  /* Override: ubah dot jadi lingkaran kecil berisi icon */
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(99,179,237,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  top: 2px;
  left: -2.9rem;
}

.timeline-dot [data-lucide] {
  width: 15px;
  height: 15px;
  stroke: var(--accent);
  stroke-width: 2;
}

.timeline-item:hover .timeline-dot {
  background: var(--accent-glow);
  box-shadow: 0 0 0 6px rgba(99,179,237,0.15);
}

/* Perbaiki posisi timeline agar sejajar dengan dot baru */
.timeline {
  padding-left: 3.5rem;
}

.timeline::before {
  left: 17px;
}

/* -- Timeline company icon --------------------------------- */
.timeline-company {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.timeline-company [data-lucide] {
  width: 13px;
  height: 13px;
  stroke: var(--accent);
  stroke-width: 2;
  opacity: 0.75;
  flex-shrink: 0;
}

/* -- Project banner icon ----------------------------------- */
.project-banner-icon {
  width: 56px !important;
  height: 56px !important;
  stroke: rgba(255,255,255,0.6) !important;
  stroke-width: 1.2 !important;
  position: relative;
  z-index: 1;
}

/* -- Project tag icon -------------------------------------- */
.project-tag {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.project-tag [data-lucide] {
  width: 12px;
  height: 12px;
  stroke: var(--accent);
  stroke-width: 2;
}

/* -- Project link icon ------------------------------------- */
.project-link [data-lucide] {
  width: 13px;
  height: 13px;
  stroke: currentColor;
  stroke-width: 2.2;
}

/* -- Education icon ---------------------------------------- */
.edu-icon [data-lucide] {
  width: 40px;
  height: 40px;
  stroke: var(--accent);
  stroke-width: 1.6;
}

.edu-pill [data-lucide] {
  width: 13px;
  height: 13px;
  stroke: var(--text-muted);
  stroke-width: 2;
}

/* -- Interest icon ----------------------------------------- */
.interest-icon [data-lucide] {
  width: 30px;
  height: 30px;
  stroke: var(--accent);
  stroke-width: 1.7;
  transition: all var(--transition-base);
}

.interest-item:hover .interest-icon [data-lucide] {
  stroke: var(--accent);
  filter: drop-shadow(0 0 8px rgba(99, 179, 237, 0.5));
  transform: scale(1.1);
}

/* -- Contact icons ----------------------------------------- */
.contact-item-icon [data-lucide] {
  width: 20px;
  height: 20px;
  stroke-width: 1.8;
}

.contact-item-icon.email-icon [data-lucide] { stroke: var(--accent); }
.contact-item-icon.wa-icon [data-lucide]    { stroke: #48bb78; }
.contact-item-icon.upwork-icon [data-lucide] { stroke: #14a800; }

.contact-item-arrow {
  width: 16px;
  height: 16px;
  stroke: var(--text-muted);
  stroke-width: 2;
  margin-left: auto;
  flex-shrink: 0;
  transition: transform var(--transition-fast), stroke var(--transition-fast);
}

.contact-item:hover .contact-item-arrow {
  transform: translateX(4px);
  stroke: var(--accent);
}

/* -- Back to top icon -------------------------------------- */
#back-to-top [data-lucide] {
  width: 18px;
  height: 18px;
  stroke: #fff;
  stroke-width: 2.5;
}


/* ============================================================
   PHOTO & LOGO IMAGE STYLES
   ============================================================ */

/* -- Nav Logo Image ---------------------------------------- */
.nav-logo-img {
  height: 36px;          /* sesuaikan tinggi logo agar pas di navbar 64px */
  width: auto;
  object-fit: contain;
  display: block;
  /* Filter untuk dark mode agar logo tetap terlihat jelas */
  filter: brightness(1);
  transition: opacity var(--transition-fast);
}

.nav-logo-img:hover {
  opacity: 0.85;
}

/* Jika logo terlalu gelap di dark mode, aktifkan baris ini: */
/* [data-theme=""] .nav-logo-img { filter: brightness(0) invert(1); } */

/* -- Profile Photo — tampil penuh sesuai proporsi asli foto ------- */
.about-photo {
  width: 260px;           /* lebar tetap; tinggi mengikuti foto asli */
  height: auto;           /* TIDAK di-crop, tampil penuh */
  object-fit: contain;    /* pastikan seluruh foto terlihat */
  border-radius: var(--radius-lg);  /* sudut sedikit rounded */
  position: relative;
  z-index: 1;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4),
              0 0 0 3px var(--bg-secondary),
              0 0 0 5px rgba(99, 179, 237, 0.25);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  display: block;
}

.about-photo:hover {
  transform: scale(1.02);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.5),
              0 0 0 3px var(--bg-secondary),
              0 0 0 6px rgba(99, 179, 237, 0.4);
}

/* Ring animasi — disesuaikan dengan foto portrait (lebih tinggi) */
.about-avatar-ring {
  position: absolute;
  width: 280px;
  height: calc(100% + 20px);   /* otomatis mengikuti tinggi foto */
  border-radius: var(--radius-lg);
  border: 2px dashed rgba(99,179,237,0.25);
  animation: spin-slow 20s linear infinite;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

/* Wrapper perlu position relative agar ring bisa absolute di dalamnya */
.about-avatar-wrap {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: flex-start;   /* rata atas agar foto portrait tidak terpotong */
}

/* About grid — rata atas agar foto panjang sejajar dengan teks */
.about-grid {
  align-items: flex-start !important;
}

/* Responsif: tablet */
@media (max-width: 900px) {
  .about-photo {
    width: 220px;
  }
  .about-avatar-ring {
    width: 240px;
  }
}

/* Responsif: mobile */
@media (max-width: 640px) {
  .about-photo {
    width: 190px;
  }
  .about-avatar-ring {
    width: 210px;
  }
  .nav-logo-img {
    height: 30px;
  }
}