/* ===================================================================
   REKISHII LUCY (REKIS) - PORTFOLIO DESIGN SYSTEM
   Bespoke, Crisp, Anti-AI-Slop Engineer Aesthetic
   =================================================================== */

/* --- Root & CSS Variables --- */
:root {
  /* Typefaces */
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout */
  --max-width: 1180px;

  /* Timing */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.15s var(--ease);
  --transition-base: 0.25s var(--ease);
  --transition-slow: 0.45s var(--ease);
}

/* ================= DARK THEME (DEFAULT) ================= */
[data-theme="dark"] {
  --bg-page: #080c14;
  --bg-surface: #0e1422;
  --bg-card: #12192b;
  --bg-card-hover: #162036;
  --bg-alt: #0a0f1a;
  --bg-input: #090d16;

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-faint: #475569;

  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --border-accent: #38bdf8;

  --accent-cyan: #38bdf8;
  --accent-blue: #0284c7;
  --accent-indigo: #6366f1;
  --accent-violet: #a855f7;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;

  --gradient-text: linear-gradient(135deg, #f8fafc 20%, #38bdf8 70%, #818cf8 100%);
  --gradient-btn: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);

  --grid-color: rgba(255, 255, 255, 0.025);
  --ambient-glow: rgba(56, 189, 248, 0.06);

  --shadow-subtle: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

/* ================= LIGHT THEME ================= */
[data-theme="light"] {
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-alt: #f1f5f9;
  --bg-input: #ffffff;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-faint: #94a3b8;

  --border: rgba(0, 0, 0, 0.09);
  --border-strong: rgba(0, 0, 0, 0.16);
  --border-accent: #0284c7;

  --accent-cyan: #0284c7;
  --accent-blue: #0369a1;
  --accent-indigo: #4f46e5;
  --accent-violet: #7c3aed;
  --accent-emerald: #059669;
  --accent-rose: #e11d48;
  --accent-amber: #d97706;

  --gradient-text: linear-gradient(135deg, #0f172a 20%, #0284c7 70%, #4f46e5 100%);
  --gradient-btn: linear-gradient(135deg, #0284c7 0%, #1d4ed8 100%);

  --grid-color: rgba(0, 0, 0, 0.035);
  --ambient-glow: rgba(2, 132, 199, 0.04);

  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
}

/* --- Base & Reset --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Engineering Technical Grid Overlay */
.bg-grid-overlay {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
}

.glow-1 {
  width: 500px;
  height: 500px;
  background: var(--ambient-glow);
  top: -150px;
  right: -100px;
}

.glow-2 {
  width: 450px;
  height: 450px;
  background: var(--ambient-glow);
  bottom: 10%;
  left: -150px;
}

/* Typography Helpers */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

.font-mono {
  font-family: var(--font-mono);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* Container & Sections */
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
  position: relative;
  z-index: 1;
}

.grid {
  display: grid;
  gap: 2rem;
}

.section {
  padding-block: 6rem 3rem;
}

.section__header {
  margin-bottom: 3.5rem;
}

.section__tag {
  font-size: 0.82rem;
  color: var(--accent-cyan);
  letter-spacing: 1px;
  margin-bottom: 0.6rem;
  font-weight: 600;
}

.section__title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.section__separator {
  width: 40px;
  height: 2px;
  background: var(--accent-cyan);
  margin-bottom: 1rem;
}

.section__desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 650px;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.accent-text {
  color: var(--accent-cyan);
}

/* ================= BUTTONS ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-btn);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(2, 132, 199, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(2, 132, 199, 0.4);
}

.btn--secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border);
}

.btn--secondary:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.btn--glass {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border);
}

.btn--glass:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn--text {
  color: var(--accent-cyan);
  font-weight: 600;
  padding: 0.75rem 1rem;
}

.btn--text:hover {
  text-decoration: underline;
  transform: translateX(4px);
}

.btn--sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.82rem;
}

.btn--full {
  width: 100%;
}

/* ================= HEADER / NAVBAR ================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  transition: border-color var(--transition-fast);
}

.header.navbar-scrolled {
  box-shadow: var(--shadow-subtle);
}

.nav {
  height: 4.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav__prompt {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-size: 1.1rem;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding-block: 0.35rem;
}

.nav__link:hover,
.nav__link.active-link {
  color: var(--text-main);
}

.nav__link.active-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-cyan);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--border-strong);
}

[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

/* Language Switcher Button */
.lang-toggle {
  height: 36px;
  padding: 0 0.75rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-main);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-toggle:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.lang-toggle__label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav__close,
.nav__toggle {
  display: none;
  color: var(--text-main);
}

/* ================= HERO SECTION ================= */
.hero {
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 6.5rem;
}

.hero__container {
  grid-template-columns: 1.35fr 1fr;
  align-items: center;
  gap: 3.5rem;
}

.hero__meta-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.3rem 0.8rem;
  border-radius: 6px;
}

.status-indicator__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.status-indicator__text {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.meta-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
}

.hero__name {
  font-size: clamp(2.75rem, 5vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
}

.hero__role-box {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.35rem);
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
}

.code-bracket {
  color: var(--text-faint);
  font-size: 0.9em;
}

.hero__dynamic-role {
  font-weight: 600;
}

.typing-cursor {
  animation: blink 0.9s infinite;
  color: var(--accent-cyan);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero__quote {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text-main);
  border-left: 3px solid var(--accent-cyan);
  padding-left: 1rem;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.hero__description {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 580px;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.25rem;
}

.hero__social-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.social-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.social-chip:hover {
  color: var(--text-main);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.discord-chip {
  position: relative;
  cursor: pointer;
}

.discord-chip:hover {
  color: #818cf8;
  border-color: #818cf8;
}

.chip-tooltip {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-cyan);
  color: #090d16;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.chip-tooltip.show {
  opacity: 1;
  visibility: visible;
}

/* Profile Showcase Card */
.profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-fast);
}

.profile-card:hover {
  border-color: var(--border-strong);
}

.profile-card__bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 1rem;
}

.card-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot--red { background: #ef4444; }
.dot--yellow { background: #f59e0b; }
.dot--green { background: #10b981; }

.card-branch {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
}

.profile-card__photo-container {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3.8;
  background: var(--bg-alt);
  overflow: hidden;
}

.profile-card__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform var(--transition-slow);
}

.profile-card:hover .profile-card__photo {
  transform: scale(1.02);
}

.profile-card__overlay-tag {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #f8fafc;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tag-status {
  color: var(--accent-emerald);
  font-size: 0.9rem;
}

.profile-card__info {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.profile-card__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.info-label {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.info-value {
  font-weight: 600;
  color: var(--text-main);
}

/* Hero Stats Strip */
.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 4.5rem;
}

.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: border-color var(--transition-fast);
}

.stat-box:hover {
  border-color: var(--border-strong);
}

.stat-box__code {
  font-size: 0.72rem;
  color: var(--accent-cyan);
  letter-spacing: 0.5px;
}

.stat-box__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

.stat-box__meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ================= ABOUT SECTION ================= */
.about__grid {
  grid-template-columns: 1.25fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.about__subtitle {
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  line-height: 1.35;
}

.about__paragraph {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.about__dev-setup {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.4rem;
  margin-top: 2rem;
}

.dev-setup__title {
  font-size: 0.88rem;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
}

.dev-setup__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.dev-setup__item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.dev-setup__key {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-faint);
}

.dev-setup__val {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Spec Card (Manifesto) */
.spec-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
}

.spec-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.85rem;
  margin-bottom: 1.5rem;
}

.spec-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.spec-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.spec-item__bullet {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  flex-shrink: 0;
}

.spec-item__title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.spec-item__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.spec-quote {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  position: relative;
}

.quote-symbol {
  font-family: serif;
  font-size: 2rem;
  color: var(--accent-cyan);
  line-height: 1;
}

.spec-quote p {
  font-size: 0.95rem;
  font-style: italic;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.quote-author {
  font-size: 0.8rem;
  color: var(--accent-cyan);
}

/* ================= ARSENAL / SKILLS SECTION ================= */
.skills__grid {
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.arsenal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.arsenal-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.primary-arsenal {
  border-color: rgba(56, 189, 248, 0.3);
}

.arsenal-card__head {
  margin-bottom: 1.5rem;
}

.arsenal-card__badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.6rem;
}

.arsenal-card__title {
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}

.arsenal-card__desc {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.tech-pills {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.tech-pill {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 0.65rem 1rem;
  border-radius: 8px;
  transition: all var(--transition-fast);
}

.tech-pill:hover {
  border-color: var(--border-accent);
  transform: translateX(4px);
}

.tech-pill.active-tech {
  border-left: 3px solid var(--accent-cyan);
}

.tech-pill__icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tech-pill__icon svg {
  width: 22px;
  height: 22px;
  display: block;
}

.tech-pill__name {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.tech-pill__role {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ================= PROJECTS SECTION ================= */
.project-filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.45rem 1rem;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-main);
  border-color: var(--border-strong);
}

.filter-btn.active {
  background: var(--text-main);
  color: var(--bg-page);
  border-color: var(--text-main);
}

.projects__grid {
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

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

.featured-internship-card {
  border-color: rgba(56, 189, 248, 0.35);
}

.featured-internship-card:hover {
  border-color: var(--accent-cyan);
}

.highlight-badge {
  background: rgba(16, 185, 129, 0.9) !important;
  color: #041217 !important;
  font-weight: 700;
  border-color: rgba(16, 185, 129, 0.4) !important;
}

.project-card__image-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--bg-alt);
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.project-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card__img {
  transform: scale(1.03);
}

.project-card__badge-strip {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  right: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.badge-tech {
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(9, 13, 22, 0.9);
  color: #38bdf8;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.badge-status {
  font-size: 0.7rem;
  font-weight: 600;
  background: rgba(9, 13, 22, 0.9);
  color: #f8fafc;
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

[data-theme="light"] .badge-tech {
  background: rgba(255, 255, 255, 0.95);
  color: #0284c7;
  border-color: rgba(2, 132, 199, 0.3);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .badge-status {
  background: rgba(255, 255, 255, 0.95);
  color: #0f172a;
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.project-card__content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-card__header-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-faint);
  margin-bottom: 0.4rem;
}

.project-card__title {
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
  letter-spacing: -0.02em;
}

.project-card__title a:hover {
  color: var(--accent-cyan);
}

.project-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.project-card__tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
}

.project-card__footer {
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.code-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.code-link:hover {
  text-decoration: underline;
  transform: translateX(4px);
}

.project-card.hide {
  display: none;
}

.project-card.fade-in {
  animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ================= TIMELINE SECTION ================= */
/* ================= EXPERIENCE SECTION (MAGANG) ================= */
.experience-showcase {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.experience-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2.25rem;
  transition: all var(--transition-base);
  position: relative;
}

.experience-card--featured {
  border-color: rgba(56, 189, 248, 0.35);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
}

[data-theme="dark"] .experience-card--featured {
  border-color: rgba(56, 189, 248, 0.35);
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.75) 0%, rgba(9, 13, 22, 0.9) 100%);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

[data-theme="light"] .experience-card--featured {
  background: #ffffff;
  border-color: rgba(2, 132, 199, 0.25);
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .experience-card--featured .pillar-item {
  background: #f8fafc;
  border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .experience-card--featured .pillar-item:hover {
  background: #ffffff;
  border-color: rgba(2, 132, 199, 0.3);
}

[data-theme="light"] .experience-card__repo-chip {
  background: #f1f5f9;
  border-color: rgba(0, 0, 0, 0.09);
}

[data-theme="light"] .experience-card__period {
  background: rgba(5, 150, 105, 0.1);
  color: #059669;
  border-color: rgba(5, 150, 105, 0.25);
}

.experience-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.35);
}

.experience-card__header {
  margin-bottom: 1.5rem;
}

.experience-card__header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
}

.experience-card__period {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
}

.experience-card__title {
  font-size: 1.38rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.experience-card__sub-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.experience-card__role-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.experience-card__repo-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  font-size: 0.8rem;
}

.experience-card__repo-chip a {
  color: var(--accent-cyan);
  text-decoration: none;
}

.experience-card__repo-chip a:hover {
  text-decoration: underline;
}

.experience-card__desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.experience-card__pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.pillar-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 1rem 1.15rem;
  border-radius: 8px;
  line-height: 1.55;
  transition: all var(--transition-fast);
}

.pillar-item:hover {
  border-color: var(--border-strong);
  background: var(--bg-card);
}

.pillar-item__code {
  color: var(--accent-cyan);
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.pillar-item strong {
  display: block;
  color: var(--text-main);
  font-size: 0.88rem;
  margin-bottom: 0.25rem;
}

.pillar-item span {
  color: var(--text-muted);
  font-size: 0.84rem;
}

.experience-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

.experience-card__tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ================= EDUCATION SECTION ================= */
.education-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.edu-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25);
}

.edu-card__header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.edu-card__logo-box {
  width: 76px;
  height: 76px;
  border-radius: 12px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform var(--transition-fast);
}

.edu-card:hover .edu-card__logo-box {
  transform: scale(1.05);
}

.edu-card__logo {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
}

.edu-card__title-box {
  flex-grow: 1;
  min-width: 0;
}

.edu-card__name {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.edu-card__location {
  display: block;
  font-size: 0.78rem;
  color: var(--text-faint);
  letter-spacing: 0.4px;
}

.edu-card__meta {
  margin-bottom: 1.15rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.edu-card__degree {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-cyan);
  line-height: 1.35;
}

.edu-card__period {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.edu-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.edu-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

/* ================= CONTACT SECTION ================= */
.contact-channels-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.channel-card {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.1rem 1.4rem;
  transition: all var(--transition-fast);
  position: relative;
  text-decoration: none;
}

.channel-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-surface);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  transform: translateY(-2px);
}

.link-channel:hover {
  border-color: var(--accent-cyan);
}

.link-channel:hover .channel-card__arrow {
  color: var(--accent-cyan);
  transform: translateX(4px);
}

.channel-card__icon-box {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.channel-card:hover .channel-card__icon-box {
  border-color: var(--border-strong);
  transform: scale(1.05);
}

.channel-card__icon-box svg {
  display: block;
}

.channel-card__body {
  flex-grow: 1;
  min-width: 0;
}

.channel-card__label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-faint);
  letter-spacing: 0.75px;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
}

.channel-card__value {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-decoration: none;
}

.channel-card__value:hover {
  color: var(--accent-cyan);
}

.channel-card__arrow {
  font-size: 1.25rem;
  color: var(--text-faint);
  transition: all var(--transition-fast);
  padding-left: 0.5rem;
  flex-shrink: 0;
}

.channel-card__copy-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.channel-card__copy-btn:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
  transform: scale(1.05);
}

[data-theme="light"] .channel-card {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .channel-card__icon-box {
  background: #f8fafc;
  border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .channel-card__copy-btn {
  background: #f8fafc;
  border-color: rgba(0, 0, 0, 0.08);
}

.copy-tooltip {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-cyan);
  color: #090d16;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  white-space: nowrap;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.3);
}

.copy-tooltip.show {
  opacity: 1;
  visibility: visible;
  top: -34px;
}

/* Fast Action CTA Banner */
.contact-cta-banner {
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 2.25rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

[data-theme="dark"] .contact-cta-banner {
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.85) 0%, rgba(9, 13, 22, 0.95) 100%);
  border-color: var(--border-strong);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
}

[data-theme="light"] .contact-cta-banner {
  background: #ffffff;
  border-color: rgba(2, 132, 199, 0.25);
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .contact-cta-banner .btn--glass {
  background: #f8fafc;
  border-color: rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .contact-cta-banner .btn--glass:hover {
  background: #ffffff;
  border-color: var(--accent-cyan);
}

.contact-cta-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-indigo), transparent);
}

.contact-cta-banner__content {
  max-width: 620px;
}

.contact-cta-banner__title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.contact-cta-banner__text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.contact-cta-banner__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ================= FOOTER ================= */
.footer {
  border-top: 1px solid var(--border);
  padding-block: 3.5rem 2rem;
  background: var(--bg-surface);
}

.footer__container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer__sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.footer__nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer__nav a:hover {
  color: var(--accent-cyan);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 1rem;
}

.back-to-top {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.back-to-top:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #090d16;
  color: #f8fafc;
  padding: 0.85rem 1.25rem;
  border-radius: 8px;
  border: 1px solid var(--accent-emerald);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  z-index: 1000;
  transform: translateY(80px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.toast__icon {
  color: var(--accent-emerald);
  font-weight: bold;
}

.toast__message {
  font-size: 0.85rem;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

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

/* Spin helper */
.spin-icon {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ================= RESPONSIVE ================= */
@media screen and (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

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

  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 768px) {
  .section {
    padding-block: 4rem 2rem;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 300px;
    height: 100vh;
    background: var(--bg-surface);
    border-left: 1px solid var(--border);
    padding: 5.5rem 1.75rem 2rem;
    transition: right var(--transition-base);
    z-index: 200;
  }

  .nav__menu.show-menu {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .nav__close,
  .nav__toggle {
    display: block;
  }

  .nav__github-btn {
    display: none;
  }

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

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

  .experience-card__pillars {
    grid-template-columns: 1fr;
  }

  .experience-card {
    padding: 1.5rem;
  }

  .contact-channels-grid {
    grid-template-columns: 1fr;
  }

  .contact-cta-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.75rem 1.5rem;
    gap: 1.5rem;
  }

  .contact-cta-banner__actions {
    width: 100%;
  }

  .contact-cta-banner__actions .btn {
    flex: 1;
    justify-content: center;
  }
}

@media screen and (max-width: 480px) {
  .hero__stats {
    grid-template-columns: 1fr;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .dev-setup__grid {
    grid-template-columns: 1fr;
  }
}