/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* New palette: indigo/violet/cyan/amber */
  --violet: #7c3aed;
  --cyan: #06b6d4;
  --amber: #f59e0b;
  --emerald: #10b981;
  --rose: #f43f5e;
  --indigo: #4f46e5;

  --bg: #f8f6ff;
  --bg-dark: #0c0a1a;
  --fg: #1e1b4b;
  --fg-dark: #e8e4ff;
  --muted: #6b5f8a;
  --muted-dark: #a89ec8;
  --card: #ffffff;
  --card-dark: #1a1530;
  --border: #1e1b4b;
  --border-dark: var(--cyan);
  --shadow: var(--indigo);
  --shadow-dark: var(--cyan);
}

html { scroll-behavior: auto; }

body {
  font-family: 'Quicksand', sans-serif;
  background: var(--bg);
  color: var(--fg);
  overflow-x: hidden;
  min-height: 100vh;
  transition: background-color 0.3s, color 0.3s;
}

body.dark {
  background: var(--bg-dark);
  color: var(--fg-dark);
}

/* Noise/Grain overlay */
.noise-overlay {
  position: fixed; inset: 0; z-index: 9998; pointer-events: none;
  opacity: 0.045;
  width: 100%; height: 100%;
}
.dark .noise-overlay {
  opacity: 0.07;
}

::selection { background: var(--violet); color: white; }

/* ===== PAGE ENTRANCE ANIMATIONS ===== */
@keyframes entrance-slide-left {
  from { opacity: 0; transform: translateX(-80px) rotate(-4deg); }
  to { opacity: 1; transform: translateX(0) rotate(-2deg); }
}
@keyframes entrance-pop {
  from { opacity: 0; transform: scale(0); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes entrance-drop {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes entrance-scale {
  from { opacity: 0; transform: scale(0.85); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes entrance-slide-right {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes entrance-rise {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

body.entrance [data-hero="avatar-card"] {
  animation: entrance-slide-left 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) 0.1s both;
}
body.entrance [data-hero="oi-badge"] {
  animation: entrance-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.6s both;
}
body.entrance [data-hero="dev-badge"] {
  animation: entrance-drop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s both;
}
body.entrance [data-hero="title"] {
  animation: entrance-scale 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.35s both;
}
body.entrance [data-hero="description"] {
  animation: entrance-slide-right 0.6s ease-out 0.5s both;
}
body.entrance [data-hero="description2"] {
  animation: entrance-slide-right 0.6s ease-out 0.6s both;
}
body.entrance [data-hero="buttons"] {
  animation: entrance-rise 0.5s ease-out 0.7s both;
}
body.entrance .deco-1 {
  animation: entrance-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s both;
}
body.entrance .deco-2 {
  animation: entrance-pop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) 0.45s both;
}
body.entrance .progress-bar {
  animation: entrance-rise 0.4s ease-out 0.8s both;
}
body.entrance .lang-toggle {
  animation: entrance-drop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) 0.85s both;
}
body.entrance .theme-toggle {
  animation: entrance-pop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) 0.9s both;
}

/* ===== THEME TRANSITION ===== */
.theme-transition {
  position: fixed; z-index: 90; pointer-events: none;
  top: 0; left: 0; width: 100%; height: 100%;
  clip-path: circle(0px at var(--tx, 50%) var(--ty, 50%));
  transition: clip-path 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.theme-transition.expanding {
  clip-path: circle(var(--radius, 150vmax) at var(--tx, 50%) var(--ty, 50%));
}

/* ===== PROGRESS BAR ===== */
.progress-bar {
  position: fixed; top: 0; left: 0; height: 4px; width: 0%;
  background: linear-gradient(90deg, var(--violet), var(--cyan), var(--amber));
  z-index: 9999; transition: width 0.1s linear;
}

/* ===== LANG TOGGLE ===== */
.lang-toggle {
  position: fixed; top: 1.2rem; right: 1.5rem; height: 40px;
  padding: 0 1rem; border-radius: 2rem; cursor: pointer;
  display: flex; align-items: center; gap: 0.4rem;
  transition: all 0.3s ease; z-index: 100;
  border: 3px solid var(--border); background: var(--card); color: var(--fg);
  box-shadow: 3px 3px 0 var(--shadow);
  font-family: 'Fredoka', sans-serif; font-size: 0.85rem; font-weight: 700;
}
.dark .lang-toggle {
  border-color: var(--cyan); background: var(--card-dark);
  color: var(--fg-dark); box-shadow: 3px 3px 0 var(--cyan);
}
.lang-toggle:hover { transform: translateY(-2px); }

/* ===== THEME TOGGLE ===== */
.theme-toggle {
  position: fixed; bottom: 2rem; right: 2rem; width: 50px; height: 50px;
  border-radius: 50%; cursor: pointer; display: flex; align-items: center;
  justify-content: center; transition: all 0.3s ease; z-index: 100;
  border: 3px solid var(--border); background: var(--amber); color: var(--fg);
  box-shadow: 3px 3px 0 var(--shadow);
}
.dark .theme-toggle {
  border-color: var(--cyan); background: var(--bg-dark);
  color: var(--cyan); box-shadow: 3px 3px 0 var(--cyan);
}
.theme-toggle:hover { transform: translateY(-2px); }

/* ===== BLOBS ===== */
.blobs-container {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  overflow: hidden; opacity: 0.25;
}
.dark .blobs-container { opacity: 0.15; }
.blob { position: absolute; border-radius: 9999px; filter: blur(80px); mix-blend-mode: multiply; }
.dark .blob { mix-blend-mode: screen; }
.blob-violet { top: -10%; left: -5%; width: 400px; height: 400px; background: var(--violet); animation: pulse 5s ease-in-out infinite; }
.blob-cyan { top: 30%; right: -8%; width: 300px; height: 300px; background: var(--cyan); opacity: 0.6; }
.blob-amber { bottom: -10%; left: 25%; width: 450px; height: 450px; background: var(--amber); opacity: 0.4; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* ===== CARTOON SHADOWS ===== */
.shadow-cartoon { box-shadow: 5px 5px 0 var(--shadow); transition: box-shadow 0.2s, transform 0.2s; }
.dark .shadow-cartoon { box-shadow: 5px 5px 0 var(--shadow-dark); }
.shadow-cartoon:hover { box-shadow: 7px 7px 0 var(--shadow); transform: translateY(-3px); }
.dark .shadow-cartoon:hover { box-shadow: 7px 7px 0 var(--shadow-dark); }
.shadow-cartoon-sm { box-shadow: 3px 3px 0 var(--shadow); }
.dark .shadow-cartoon-sm { box-shadow: 3px 3px 0 var(--shadow-dark); }

/* ===== CONTENT WRAPPER ===== */
.content-wrapper {
  position: relative; z-index: 10; max-width: 72rem; margin: 0 auto;
  padding: 0 1.5rem; display: flex; flex-direction: column; gap: 7rem; padding-bottom: 4rem;
}
@media (min-width: 1024px) { .content-wrapper { padding: 0 2.5rem; } }

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 90vh; display: flex; flex-direction: column;
  justify-content: center; padding-top: 4rem; padding-bottom: 2rem;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1.3fr; gap: 4rem;
  align-items: center; width: 100%;
}

/* Avatar */
.avatar-section { display: flex; justify-content: center; }
.avatar-wrapper { position: relative; display: inline-block; }

.avatar-card {
  width: 18rem; height: 24rem; border-radius: 2rem; overflow: hidden;
  border: 5px solid var(--border); background: white; transform: rotate(-2deg);
}
.dark .avatar-card { border-color: var(--cyan); background: var(--card-dark); }
.avatar-card:hover .avatar-image { transform: scale(1.08); }
.avatar-image { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.avatar-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: #f0ecff; }

/* Decorative circles */
.deco-circle { position: absolute; border-radius: 50%; z-index: -1; border: 3px solid var(--border); }
.dark .deco-circle { border-color: var(--cyan); }
.deco-1 { width: 5rem; height: 5rem; background: var(--amber); top: -1.5rem; left: -2rem; animation: float1 4s ease-in-out infinite; }
.deco-2 { width: 3rem; height: 3rem; background: var(--cyan); bottom: -1rem; right: -1.5rem; animation: float2 3s ease-in-out infinite; }
@keyframes float1 { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes float2 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(6px, -8px); } }

/* Status badge */
.status-badge {
  position: absolute; bottom: -0.75rem; right: -2rem;
  background: var(--emerald); color: white;
  padding: 0.4rem 1rem; border: 2px solid var(--border);
  border-radius: 2rem; font-family: 'Fredoka', sans-serif;
  font-weight: 600; font-size: 0.8rem; z-index: 20; white-space: nowrap;
}
.dark .status-badge { border-color: var(--cyan); }
.status-dot {
  display: inline-block; width: 8px; height: 8px;
  background: white; border-radius: 50; margin-right: 4px;
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

/* Terminal badge */
.terminal-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 1.2rem; background: #1e1b4b; color: var(--cyan);
  border: 2px solid var(--border); border-radius: 0.75rem;
  font-family: 'Courier New', monospace; font-size: 0.85rem;
  font-weight: 700; margin-bottom: 1.5rem; min-width: 22rem; min-height: 2.5rem;
}
.dark .terminal-badge { background: #0d0a1a; border-color: var(--cyan); }
.terminal-prompt { color: var(--emerald); }
.cursor { animation: cursor-blink 1s step-end infinite; color: var(--cyan); }
@keyframes cursor-blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* Title */
.hero-title {
  font-family: 'Fredoka', sans-serif; font-size: 4.5rem; font-weight: 700;
  color: var(--fg); line-height: 0.95; margin-bottom: 1.2rem;
}
.dark .hero-title { color: var(--fg-dark); }
.hero-name { display: block; color: var(--violet); position: relative; }
.dark .hero-name { color: var(--cyan); }
.name-underline { position: absolute; width: 105%; height: 0.8rem; bottom: -0.3rem; left: -2%; color: var(--amber); }

/* Role tags */
.role-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.2rem; }
.role-tag {
  padding: 0.3rem 1rem; border-radius: 2rem; font-family: 'Fredoka', sans-serif;
  font-size: 0.85rem; font-weight: 600; border: 2px solid var(--border);
  background: rgba(124, 58, 237, 0.1); color: var(--violet);
}
.dark .role-tag { border-color: var(--cyan); background: rgba(6, 182, 212, 0.1); color: var(--cyan); }

/* Description */
.hero-description {
  font-size: 1.15rem; font-weight: 600; max-width: 30rem;
  color: var(--muted); line-height: 1.7; margin-bottom: 2rem;
}
.dark .hero-description { color: var(--muted-dark); }
.hero-description strong { color: var(--violet); }
.dark .hero-description strong { color: var(--cyan); }

/* Buttons */
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem 2rem; border-radius: 1rem; font-family: 'Fredoka', sans-serif;
  font-size: 1.1rem; font-weight: 700; text-decoration: none; cursor: pointer;
  border: 3px solid var(--border); transition: all 0.2s ease;
}
.dark .btn { border-color: var(--cyan); }
.btn:hover { transform: translateY(-4px); }
.btn:active { transform: scale(0.96); }
.btn-primary { background: var(--violet); color: white; }
.dark .btn-primary { background: var(--cyan); color: var(--bg-dark); }
.btn-secondary { background: transparent; color: var(--fg); }
.dark .btn-secondary { color: var(--fg-dark); }
.btn-secondary:hover { background: var(--amber); color: var(--fg); border-color: var(--border); }

/* ============================================
   SCROLL ANIMATION STATES
   ============================================ */
[data-scroll="slide-left"] { opacity: 0; transform: translateX(-50px); transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.6s ease; }
[data-scroll="slide-left"].scroll-visible { opacity: 1; transform: translateX(0); }
[data-scroll="fade"] { opacity: 0; transition: opacity 0.6s ease; }
[data-scroll="fade"].scroll-visible { opacity: 1; }
[data-scroll="scale"] { opacity: 0; transform: scale(0); transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease; }
[data-scroll="scale"].scroll-visible { opacity: 1; transform: scale(1); }
[data-scroll="slide-up"] { opacity: 0; transform: translateY(60px); transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.4s ease; }
[data-scroll="slide-up"].scroll-visible { opacity: 1; transform: translateY(0); }
[data-scroll="stagger"] { opacity: 0; transform: translateY(80px) rotate(3deg) scale(0.9); transition: transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.5s ease; }
[data-scroll="stagger"].scroll-visible { opacity: 1; transform: translateY(0) rotate(0deg) scale(1); }
[data-scroll="scale-in"] { opacity: 0; transform: scale(0.92); transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.5s ease; }
[data-scroll="scale-in"].scroll-visible { opacity: 1; transform: scale(1); }

/* ============================================
   SECTIONS
   ============================================ */
.section-title {
  font-family: 'Fredoka', sans-serif; font-size: 2.2rem; font-weight: 700;
  color: var(--fg); margin-bottom: 2rem; letter-spacing: 0.04em;
}
.dark .section-title { color: var(--fg-dark); }
.subsection-title {
  font-family: 'Fredoka', sans-serif; font-size: 1.2rem; font-weight: 600;
  color: var(--muted); margin-bottom: 1rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.dark .subsection-title { color: var(--muted-dark); }

/* ============================================
   ABOUT
   ============================================ */
.about-card {
  padding: 2rem; border-radius: 1.5rem; border: 3px solid var(--border);
  background: var(--card); margin-bottom: 2.5rem;
}
.dark .about-card { border-color: var(--cyan); background: var(--card-dark); }
.about-content {
  display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center;
}
.about-text {
  font-size: 1.1rem; line-height: 1.8; color: var(--muted); font-weight: 500;
}
.dark .about-text { color: var(--muted-dark); }
.about-text strong { color: var(--violet); font-weight: 700; }
.dark .about-text strong { color: var(--cyan); }
.about-text em { font-style: normal; background: rgba(124, 58, 237, 0.1); padding: 0.1rem 0.4rem; border-radius: 0.3rem; }
.dark .about-text em { background: rgba(6, 182, 212, 0.1); }

/* About stats */
.about-stats {
  display: flex; flex-direction: column; gap: 1rem;
  border-left: 3px solid var(--border); padding-left: 1.5rem;
}
.dark .about-stats { border-color: var(--cyan); }
.about-stat { text-align: center; }
.about-stat-number {
  display: block; font-family: 'Fredoka', sans-serif; font-size: 1.8rem;
  font-weight: 700; color: var(--violet); line-height: 1;
}
.dark .about-stat-number { color: var(--cyan); }
.about-stat-label {
  font-family: 'Fredoka', sans-serif; font-size: 0.7rem; font-weight: 600;
  color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em;
}
.dark .about-stat-label { color: var(--muted-dark); }

/* Skills as flow/pills */
.skills-flow {
  display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center;
  max-width: 50rem; margin: 0 auto;
}
.skill-pill {
  padding: 0.5rem 1.2rem; border-radius: 2rem; font-family: 'Fredoka', sans-serif;
  font-size: 0.95rem; font-weight: 600; border: 2px solid var(--border);
  background: var(--card); color: var(--fg); transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  user-select: none;
}
.dark .skill-pill { border-color: var(--cyan); background: var(--card-dark); color: var(--fg-dark); }
.skill-pill:hover { transform: translateY(-3px) rotate(-2deg); background: var(--violet); color: white; border-color: var(--violet); }
.dark .skill-pill:hover { background: var(--cyan); color: var(--bg-dark); border-color: var(--cyan); }

/* ============================================
   AVATAR DEPTH PARALLAX
   ============================================ */
[data-depth-scene] { perspective: 800px; }
[data-depth] { will-change: transform; transition: transform 0.15s ease-out; }

/* ============================================
   3D TILT
   ============================================ */
[data-tilt] {
  transform-style: preserve-3d;
  will-change: transform;
}
[data-tilt] .project-name,
[data-tilt] .exp-company,
[data-tilt] .edu-school,
[data-tilt] .edu-emoji {
  transform: translateZ(30px);
}

/* ============================================
   EXPERIENCE
   ============================================ */
.exp-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; max-width: 50rem; margin: 0 auto; }
@media (min-width: 768px) { .exp-grid { grid-template-columns: repeat(2, 1fr); } }

.exp-card {
  padding: 1.5rem; border-radius: 1.5rem; border: 3px solid var(--border);
  background: var(--card); display: flex; flex-direction: column; gap: 0.5rem;
  transition: transform 0.3s ease; position: relative; overflow: hidden;
}
.dark .exp-card { border-color: var(--cyan); background: var(--card-dark); }
.exp-card:hover { transform: translateY(-6px); }
.exp-period {
  font-family: 'Fredoka', sans-serif; font-size: 0.8rem; font-weight: 700;
  color: var(--amber); letter-spacing: 0.05em;
}
.exp-company {
  font-family: 'Fredoka', sans-serif; font-size: 1.3rem; font-weight: 700; color: var(--fg);
}
.dark .exp-company { color: var(--fg-dark); }
.exp-role {
  font-family: 'Fredoka', sans-serif; font-size: 0.9rem; font-weight: 600;
  color: var(--violet); margin-bottom: 0.25rem;
}
.dark .exp-role { color: var(--cyan); }
.exp-desc { font-size: 0.9rem; line-height: 1.6; color: var(--muted); font-weight: 500; }
.dark .exp-desc { color: var(--muted-dark); }

/* ============================================
   PROJECTS (stacked rows)
   ============================================ */
.projects-stack { display: flex; flex-direction: column; gap: 1.5rem; max-width: 50rem; margin: 0 auto; }

.project-row {
  padding: 2rem; border-radius: 1.5rem; border: 3px solid var(--border);
  background: var(--card); transition: transform 0.3s ease;
}
.dark .project-row { border-color: var(--cyan); background: var(--card-dark); }
.project-row:hover { transform: translateY(-6px); }

.project-top { display: flex; align-items: center; gap: 1rem; margin-bottom: 0.5rem; }
.project-number {
  font-family: 'Fredoka', sans-serif; font-size: 2rem; font-weight: 700;
  color: var(--violet); opacity: 0.3; line-height: 1;
}
.dark .project-number { color: var(--cyan); }
.project-status-badge {
  font-family: 'Fredoka', sans-serif; font-size: 0.7rem; font-weight: 700;
  padding: 0.2rem 0.75rem; border-radius: 2rem;
  background: rgba(16, 185, 129, 0.15); color: var(--emerald);
  border: 2px solid var(--emerald);
}
.completed-badge { background: rgba(124, 58, 237, 0.1); color: var(--violet); border-color: var(--violet); }
.dark .completed-badge { color: var(--cyan); border-color: var(--cyan); background: rgba(6, 182, 212, 0.1); }
.pulse-anim { animation: status-pulse 2s ease-in-out infinite; }
@keyframes status-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

.project-name {
  font-family: 'Fredoka', sans-serif; font-size: 1.5rem; font-weight: 700;
  color: var(--fg); margin-bottom: 0.2rem;
}
.dark .project-name { color: var(--fg-dark); }
.project-tagline {
  font-family: 'Fredoka', sans-serif; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.12em; color: var(--rose); display: block; margin-bottom: 0.75rem;
}
.project-desc { font-size: 0.95rem; line-height: 1.6; color: var(--muted); font-weight: 500; margin-bottom: 1rem; }
.dark .project-desc { color: var(--muted-dark); }
.project-tech { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.project-tech span {
  padding: 0.2rem 0.7rem; border-radius: 0.4rem; font-family: 'Fredoka', sans-serif;
  font-size: 0.75rem; font-weight: 600; border: 2px solid var(--border);
  background: rgba(124, 58, 237, 0.08); color: var(--fg);
}
.dark .project-tech span { border-color: var(--cyan); background: rgba(6, 182, 212, 0.08); color: var(--fg-dark); }

.project-link {
  display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 1.2rem;
  padding: 0.5rem 1.2rem; border-radius: 0.75rem; font-family: 'Fredoka', sans-serif;
  font-size: 0.85rem; font-weight: 700; text-decoration: none;
  border: 2px solid var(--border); background: var(--violet); color: white;
  transition: transform 0.2s ease, background 0.2s ease;
}
.dark .project-link { border-color: var(--cyan); background: var(--cyan); color: var(--bg-dark); }
.project-link:hover { transform: translateY(-3px); background: var(--indigo); }
.dark .project-link:hover { background: #22d3ee; }
.project-link-private {
  background: var(--muted); cursor: default; opacity: 0.6;
}
.dark .project-link-private { background: var(--muted-dark); color: var(--bg-dark); }
.project-link-private:hover { transform: none; background: var(--muted); }
.dark .project-link-private:hover { background: var(--muted-dark); }

/* ============================================
   PROJECT PREVIEW (Interactive Browser Mockup)
   ============================================ */
.project-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.project-preview {
  opacity: 0;
  transform: translateX(30px) scale(0.95);
  transition: opacity 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.project-row:hover .project-preview {
  opacity: 1;
  transform: translateX(0) scale(1);
}

.preview-browser {
  border-radius: 0.75rem;
  overflow: hidden;
  border: 2px solid var(--border);
  background: #1a1a2e;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}
.dark .preview-browser {
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: 0 8px 32px rgba(6, 182, 212, 0.08);
}

.preview-browser-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  background: #2a2a3e;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.dark .preview-browser-bar {
  background: #0d0a1a;
}

.preview-dots {
  display: flex;
  gap: 5px;
}
.preview-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.preview-url {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.6rem;
  border-radius: 0.3rem;
  background: rgba(255, 255, 255, 0.06);
  font-family: 'Courier New', monospace;
  font-size: 0.6rem;
  color: rgba(255, 255, 255, 0.5);
}
.preview-url svg {
  color: var(--emerald);
  flex-shrink: 0;
}

.preview-content {
  height: 180px;
  position: relative;
  overflow: hidden;
}

/* --- Image Preview (real screenshots) --- */
.preview-img-wrapper {
  display: flex;
  align-items: flex-start;
}
.preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.project-row:hover .preview-img {
  transform: scale(1.05);
}

/* --- Terminal Preview (Hospital Automation) --- */
.preview-terminal {
  background: #0a0a0f;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.6rem;
  color: rgba(255, 255, 255, 0.7);
}
.preview-terminal-line {
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.project-row:hover .preview-terminal-line:nth-child(1) {
  opacity: 1; transform: translateY(0); transition-delay: 0.15s;
}
.project-row:hover .preview-terminal-line:nth-child(2) {
  opacity: 1; transform: translateY(0); transition-delay: 0.5s;
}
.project-row:hover .preview-terminal-line:nth-child(3) {
  opacity: 1; transform: translateY(0); transition-delay: 0.85s;
}
.project-row:hover .preview-terminal-line:nth-child(4) {
  opacity: 1; transform: translateY(0); transition-delay: 1.2s;
}
.project-row:hover .preview-terminal-line:nth-child(5) {
  opacity: 1; transform: translateY(0); transition-delay: 1.5s;
}
.preview-term-prompt {
  color: var(--emerald);
  font-weight: bold;
}
.preview-term-output {
  color: rgba(255, 255, 255, 0.4);
}
.preview-term-success {
  color: var(--emerald);
}
.preview-term-cursor {
  color: var(--cyan);
  animation: cursor-blink 1s step-end infinite;
}

/* Preview responsive */
@media (max-width: 768px) {
  .project-row {
    grid-template-columns: 1fr;
  }
  .project-preview {
    opacity: 1;
    transform: none;
  }
}

/* ============================================
   EDUCATION
   ============================================ */
.edu-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; max-width: 42rem; margin: 0 auto; }
@media (max-width: 600px) { .edu-row { grid-template-columns: 1fr; } }

.edu-card {
  padding: 2rem; border-radius: 1.5rem; border: 3px solid var(--border);
  background: var(--card); display: flex; flex-direction: column;
  align-items: center; gap: 0.5rem; text-align: center; transition: transform 0.3s ease;
  position: relative; overflow: hidden;
}
.dark .edu-card { border-color: var(--cyan); background: var(--card-dark); }
.edu-card:hover { transform: translateY(-4px); }
.edu-emoji { font-size: 2.5rem; }
.edu-school { font-family: 'Fredoka', sans-serif; font-weight: 700; font-size: 1.4rem; color: var(--violet); }
.dark .edu-school { color: var(--cyan); }
.edu-course { font-family: 'Fredoka', sans-serif; font-weight: 600; font-size: 0.95rem; color: var(--fg); }
.dark .edu-course { color: var(--fg-dark); }
.edu-year { font-size: 0.85rem; color: var(--muted); font-weight: 600; }
.dark .edu-year { color: var(--muted-dark); }
.edu-badge {
  font-family: 'Fredoka', sans-serif; font-size: 0.7rem; font-weight: 700;
  padding: 0.2rem 0.75rem; border-radius: 2rem; border: 2px solid;
}
.edu-active { background: rgba(245, 158, 11, 0.15); color: var(--amber); border-color: var(--amber); }
.edu-done { background: rgba(16, 185, 129, 0.15); color: var(--emerald); border-color: var(--emerald); }

/* Card glow overlay */
.card-glow {
  position: absolute; inset: 0; pointer-events: none; opacity: 0;
  transition: opacity 0.3s ease; border-radius: inherit;
  background: radial-gradient(circle 150px at var(--glow-x, 50%) var(--glow-y, 50%),
    rgba(124, 58, 237, 0.15), transparent 70%);
}
.dark .card-glow {
  background: radial-gradient(circle 150px at var(--glow-x, 50%) var(--glow-y, 50%),
    rgba(6, 182, 212, 0.15), transparent 70%);
}
[data-tilt]:hover .card-glow { opacity: 1; }

/* ============================================
   CONTACT
   ============================================ */
.contact-card {
  background: var(--violet); border-radius: 2rem; padding: 3rem;
  border: 4px solid var(--border); text-align: center;
}
.dark .contact-card { background: var(--indigo); border-color: var(--cyan); }
.contact-title {
  font-family: 'Fredoka', sans-serif; font-size: 2rem; font-weight: 700;
  color: white; margin-bottom: 0.75rem;
}
.contact-desc {
  font-size: 1.05rem; line-height: 1.6; color: rgba(255,255,255,0.8);
  margin-bottom: 2rem; max-width: 28rem; margin-left: auto; margin-right: auto; font-weight: 500;
}
.contact-links { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; }
.contact-links .btn { font-size: 0.95rem; }
.btn-contact-primary { background: white; color: var(--violet); border-color: white; }
.dark .btn-contact-primary { background: white; color: var(--indigo); border-color: white; }
.btn-contact-outline { background: transparent; color: white; border-color: rgba(255,255,255,0.5); }
.btn-contact-outline:hover { background: white; color: var(--violet); border-color: white; }
.dark .btn-contact-outline:hover { color: var(--indigo); }
.contact-btn:hover { animation: btn-wiggle 0.3s ease; }
@keyframes btn-wiggle { 0% { transform: translateY(-4px) rotate(0deg); } 25% { transform: translateY(-4px) rotate(2deg); } 50% { transform: translateY(-4px) rotate(-2deg); } 75% { transform: translateY(-4px) rotate(2deg); } 100% { transform: translateY(-4px) rotate(0deg); } }

/* ===== FOOTER ===== */
.footer {
  width: 100%; text-align: center; padding: 2rem 1rem;
  font-size: 0.85rem; font-weight: 700; font-family: 'Fredoka', sans-serif;
  color: var(--fg); position: relative; z-index: 10;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}
.footer > span { opacity: 0.4; }
.dark .footer { color: var(--fg-dark); }
.powered-by {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(255,255,255,0.7); backdrop-filter: blur(12px);
  padding: 0.5rem 1.2rem; border-radius: 999px;
  font-size: 0.8rem; font-weight: 600; color: #666;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  opacity: 0.85; transition: opacity 0.3s ease;
}
.powered-by:hover { opacity: 1; }
.dark .powered-by {
  background: rgba(30,30,40,0.7); color: #aaa;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.powered-by-logo { height: 48px; width: auto; }

/* ============================================
   TOAST
   ============================================ */
.toast {
  position: fixed; bottom: 2rem; left: 50%; z-index: 9999;
  transform: translateX(-50%) translateY(20px);
  padding: 0.75rem 1.5rem; border-radius: 1rem;
  font-family: 'Fredoka', sans-serif; font-size: 0.9rem; font-weight: 700;
  background: var(--violet); color: white;
  border: 3px solid var(--border);
  box-shadow: 5px 5px 0 var(--shadow);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.dark .toast { background: var(--cyan); color: var(--bg-dark); border-color: var(--cyan); box-shadow: 5px 5px 0 var(--shadow-dark); }
.toast.visible { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }

/* ============================================
   COMMAND PALETTE
   ============================================ */
.cmd-backdrop {
  position: fixed; inset: 0; z-index: 9998;
  background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(4px);
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease;
}
.cmd-backdrop.active { opacity: 1; pointer-events: auto; }

.cmd-palette {
  position: fixed; top: 20%; left: 50%; z-index: 9999;
  transform: translateX(-50%) scale(0.96);
  width: min(540px, 90vw);
  background: var(--card); border: 3px solid var(--border);
  border-radius: 1.25rem; overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.dark .cmd-palette { background: var(--card-dark); border-color: var(--cyan); }
.cmd-palette.active { opacity: 1; pointer-events: auto; transform: translateX(-50%) scale(1); }

.cmd-input-wrapper {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 1rem 1.25rem; border-bottom: 2px solid var(--border);
}
.dark .cmd-input-wrapper { border-color: rgba(6, 182, 212, 0.3); }
.cmd-search-icon { color: var(--muted); flex-shrink: 0; }
.dark .cmd-search-icon { color: var(--muted-dark); }

.cmd-input {
  flex: 1; border: none; outline: none; background: transparent;
  font-family: 'Quicksand', sans-serif; font-size: 1.05rem; font-weight: 600;
  color: var(--fg);
}
.dark .cmd-input { color: var(--fg-dark); }
.cmd-input::placeholder { color: var(--muted); }
.dark .cmd-input::placeholder { color: var(--muted-dark); }

.cmd-kbd {
  font-family: 'Fredoka', sans-serif; font-size: 0.65rem; font-weight: 700;
  padding: 0.2rem 0.5rem; border-radius: 0.4rem;
  background: rgba(124, 58, 237, 0.1); color: var(--muted);
  border: 1.5px solid var(--muted);
}
.dark .cmd-kbd { background: rgba(6, 182, 212, 0.1); border-color: var(--muted-dark); color: var(--muted-dark); }

.cmd-results {
  max-height: 320px; overflow-y: auto; padding: 0.5rem;
}
.cmd-results::-webkit-scrollbar { width: 4px; }
.cmd-results::-webkit-scrollbar-thumb { background: var(--muted); border-radius: 4px; }

.cmd-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.7rem 1rem; border-radius: 0.75rem; cursor: pointer;
  transition: background 0.15s ease;
}
.cmd-item:hover, .cmd-item.active {
  background: rgba(124, 58, 237, 0.1);
}
.dark .cmd-item:hover, .dark .cmd-item.active {
  background: rgba(6, 182, 212, 0.1);
}
.cmd-item-icon {
  width: 32px; height: 32px; border-radius: 0.5rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
  background: rgba(124, 58, 237, 0.1); color: var(--violet);
}
.dark .cmd-item-icon { background: rgba(6, 182, 212, 0.1); color: var(--cyan); }
.cmd-item-text { display: flex; flex-direction: column; }
.cmd-item-label {
  font-family: 'Fredoka', sans-serif; font-size: 0.9rem; font-weight: 600;
  color: var(--fg);
}
.dark .cmd-item-label { color: var(--fg-dark); }
.cmd-item-hint {
  font-size: 0.75rem; color: var(--muted); font-weight: 500;
}
.dark .cmd-item-hint { color: var(--muted-dark); }

.cmd-empty {
  text-align: center; padding: 2rem 1rem; color: var(--muted);
  font-family: 'Fredoka', sans-serif; font-weight: 600;
}
.dark .cmd-empty { color: var(--muted-dark); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 2rem; }
  .hero-content { display: flex; flex-direction: column; align-items: center; }
  .hero-title { font-size: 2.8rem; }
  .hero-description { text-align: center; }
  .role-tags { flex-direction: column; align-items: center; }
  .hero-buttons { justify-content: center; }
  .avatar-card { width: 14rem; height: 18rem; }
  .terminal-badge { min-width: auto; font-size: 0.75rem; }
  .about-content { grid-template-columns: 1fr; }
  .about-stats { flex-direction: row; justify-content: center; border-left: none; border-top: 3px solid var(--border); padding-left: 0; padding-top: 1rem; }
  .dark .about-stats { border-color: var(--cyan); }
  .contact-links { flex-direction: column; align-items: center; }
  .exp-grid { grid-template-columns: 1fr; }
  .contact-card { padding: 2rem; }
  .theme-toggle { width: 42px; height: 42px; bottom: 1.2rem; right: 1.2rem; }
  .lang-toggle { top: 0.8rem; right: 1rem; height: 36px; font-size: 0.8rem; padding: 0 0.8rem; }
}

@media (min-width: 769px) and (max-width: 1023px) {
  .hero-title { font-size: 3.5rem; }
  .avatar-card { width: 16rem; height: 22rem; }
}

@media (min-width: 1024px) {
  .avatar-card { width: 20rem; height: 26rem; }
}