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

:root {
  --header-h: 80px;
  --font-main: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;
  --radius: 18px;

  /* Dark theme (default) */
  --bg: #0b1120;
  --card-bg: #111a2e;
  --card-hover: #16213a;
  --text-primary: #e6edf7;
  --text-secondary: rgba(230, 237, 247, 0.65);
  --border-color: rgba(148, 163, 184, 0.15);
  --accent: #2dd4bf;
  --accent-strong: #14b8a6;
  --accent-2: #38bdf8;
  --accent-soft: rgba(45, 212, 191, 0.12);
  --on-accent: #042f2e;
  --shadow-color: rgba(0, 0, 0, 0.35);
  --overlay-bg: rgba(2, 6, 23, 0.75);
  --header-solid: rgba(11, 17, 32, 0.8);
  --grid-line: rgba(148, 163, 184, 0.05);
  --glow: rgba(45, 212, 191, 0.07);
  --popup-bg: #0f172a;
}

[data-theme="light"] {
  --bg: #f6f8fb;
  --card-bg: #ffffff;
  --card-hover: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: rgba(15, 23, 42, 0.68);
  --border-color: rgba(15, 23, 42, 0.1);
  --accent: #0d9488;
  --accent-strong: #0f766e;
  --accent-2: #0284c7;
  --accent-soft: rgba(13, 148, 136, 0.1);
  --on-accent: #ffffff;
  --shadow-color: rgba(15, 23, 42, 0.08);
  --overlay-bg: rgba(241, 245, 249, 0.8);
  --header-solid: rgba(246, 248, 251, 0.85);
  --grid-line: rgba(15, 23, 42, 0.04);
  --glow: rgba(13, 148, 136, 0.06);
  --popup-bg: #ffffff;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-main);
  color: var(--text-primary);
  background: var(--bg);
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

body.no-scroll {
  overflow: hidden;
}

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

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

/* Subtle grid background */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at top, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at top, #000 20%, transparent 75%);
}

/* Soft glow that follows the mouse */
.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

body:hover .cursor-glow {
  opacity: 1;
}

main,
.footer {
  position: relative;
  z-index: 1;
}

/* ================= Header ================= */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--header-h);
  padding: 0 5%;
  transition: background 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

header.scrolled {
  background: var(--header-solid);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border-color);
}

.logo {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.5vw, 19px);
  font-weight: 600;
  color: var(--text-primary);
  transition: opacity 0.3s ease;
}

.logo-bracket {
  color: var(--accent);
}

.logo:hover {
  opacity: 0.8;
}

nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Nav links in a floating pill */
.navlinks {
  display: flex;
  gap: 4px;
  list-style: none;
  padding: 6px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  box-shadow: 0 6px 20px var(--shadow-color);
}

.navlinks a {
  display: block;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.25s ease, background 0.25s ease;
}

.navlinks a:hover {
  color: var(--text-primary);
}

.navlinks a.active {
  color: var(--accent);
  background: var(--accent-soft);
}

/* Language switch (EN / CZ) */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 44px;
  padding: 4px;
  border-radius: 999px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  transition: border-color 0.3s ease;
}

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

.lang-switch span {
  display: grid;
  place-items: center;
  height: 100%;
  padding: 0 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.25s ease;
}

.lang-switch span.active {
  background: var(--accent);
  color: var(--on-accent);
}

/* Theme toggle */
#theme-toggle {
  display: none;
}

.theme-label {
  position: relative;
  width: 44px;
  height: 44px;
  cursor: pointer;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.theme-label:hover {
  border-color: var(--accent);
  transform: rotate(15deg);
}

.sun-icon,
.moon-icon {
  position: absolute;
  font-size: 16px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.sun-icon { color: #f59e0b; }
.moon-icon { color: var(--accent); }

[data-theme="light"] .sun-icon { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="light"] .moon-icon { opacity: 0; transform: rotate(-90deg) scale(0.5); }
[data-theme="dark"] .sun-icon { opacity: 0; transform: rotate(90deg) scale(0.5); }
[data-theme="dark"] .moon-icon { opacity: 1; transform: rotate(0) scale(1); }

/* Hamburger */
.togglebtn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  position: relative;
  z-index: 1002;
}

.togglebtn span {
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

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

/* ================= Hero ================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-h) + 30px) clamp(20px, 5vw, 40px) 80px;
}

.hero-inner {
  width: 100%;
  max-width: 1100px;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  align-items: center;
  gap: clamp(40px, 6vw, 80px);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-soft);
  border-radius: 999px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6); }
  70% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.greeting {
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 500;
  color: var(--text-secondary);
}

.hero-content h1 {
  font-size: clamp(44px, 7.5vw, 76px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 4px 0 12px;
}

.role {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 20px);
  min-height: 1.6em;
}

.prompt {
  color: var(--accent);
  margin-right: 6px;
}

.typed {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 600;
}

.typed-cursor {
  color: var(--accent);
  animation: blink 0.9s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.bio {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 24px 0 32px;
}

/* Buttons */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
  box-shadow: 0 8px 24px var(--accent-soft);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(45, 212, 191, 0.3);
}

.btn-ghost {
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  background: transparent;
}

.btn-ghost i {
  transition: transform 0.3s ease;
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-ghost:hover i {
  transform: translateX(4px);
}

.btn-icon {
  position: relative;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-primary);
  font-size: 16px;
  transition: all 0.3s ease;
}

.btn-icon:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-3px);
}

/* Tooltip */
.btn-icon::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  color: var(--text-primary);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
}

.btn-icon:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Social */
.social {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 40px;
}

.social-label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
}

.social-line {
  width: 40px;
  height: 1px;
  background: var(--border-color);
  margin-right: 4px;
}

.social a {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 17px;
  transition: all 0.3s ease;
}

.social a:hover {
  color: var(--on-accent);
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-4px);
}

/* Photo side */
.hero-visual {
  position: relative;
  justify-self: center;
  width: min(340px, 80vw);
  aspect-ratio: 1;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 32px;
  border: 2px solid var(--accent);
  transform: translate(16px, 16px);
  opacity: 0.5;
  transition: transform 0.4s ease;
}

.hero-visual:hover::before {
  transform: translate(8px, 8px);
}

.photo-frame {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 32px;
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  box-shadow: 0 30px 60px var(--shadow-color);
}

.profile-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: zoom-in;
  transition: transform 0.5s ease;
}

.photo-frame:hover .profile-img {
  transform: scale(1.04);
}

.chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  box-shadow: 0 12px 30px var(--shadow-color);
  animation: float 5s ease-in-out infinite;
}

.chip i {
  color: var(--accent);
}

.chip-1 {
  top: 12%;
  left: -18%;
}

.chip-2 {
  bottom: 8%;
  right: -14%;
  animation-delay: -2.5s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 2px solid var(--border-color);
  border-radius: 14px;
}

.scroll-hint span {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 4px;
  height: 8px;
  margin-left: -2px;
  border-radius: 2px;
  background: var(--accent);
  animation: scrollDot 1.8s ease-in-out infinite;
}

@keyframes scrollDot {
  0% { opacity: 0; transform: translateY(0); }
  40% { opacity: 1; }
  100% { opacity: 0; transform: translateY(14px); }
}

/* ================= Sections ================= */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(70px, 12vh, 110px) clamp(20px, 5vw, 40px);
}

.section-head {
  text-align: center;
  margin-bottom: clamp(36px, 5vw, 56px);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(32px, 5.5vw, 46px);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ================= About (terminal) ================= */
.terminal-container {
  position: relative;
  width: min(100%, 860px);
  margin: 0 auto;
  background: #0d1117;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 50px var(--shadow-color);
  overflow: hidden;
  transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.3s ease;
}

.terminal-container:hover {
  box-shadow: 0 20px 50px var(--shadow-color), 0 0 60px rgba(45, 212, 191, 0.12);
}

.terminal-header {
  display: flex;
  align-items: center;
  padding: 12px 18px;
  background: #161b22;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal-buttons {
  display: flex;
  gap: 8px;
}

.terminal-button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-button.close { background: #ff5f57; }
.terminal-button.minimize { background: #febc2e; }
.terminal-button.expand { background: #28c840; }

.terminal-title {
  flex: 1;
  text-align: center;
  margin-right: 52px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(230, 237, 247, 0.55);
}

.terminal-body {
  padding: clamp(18px, 3vw, 28px);
  min-height: 520px;
  font-family: var(--font-mono);
  font-size: clamp(12px, 1.5vw, 15px);
  line-height: 1.7;
}

.terminal-command {
  color: #e6edf7;
  margin-bottom: 6px;
}

.terminal-command::before {
  content: "➜  ~";
  margin-right: 10px;
  color: #2dd4bf;
  font-weight: 600;
}

.terminal-output {
  color: #8b949e;
  margin-bottom: 18px;
  white-space: pre-wrap;
}

.terminal-output .hl {
  color: #38bdf8;
}

.terminal-caret {
  display: inline-block;
  width: 8px;
  height: 1.1em;
  vertical-align: text-bottom;
  background: #2dd4bf;
  animation: blink 1s step-end infinite;
}

/* ================= Experience (timeline) ================= */
.experience-section {
  max-width: 860px;
}

.timeline {
  position: relative;
  padding-left: 36px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(var(--accent), var(--accent-2), transparent);
  opacity: 0.5;
}

.timeline-item {
  position: relative;
  margin-bottom: 24px;
}

.timeline-dot {
  position: absolute;
  left: -36px;
  top: 26px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.timeline-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 22px clamp(18px, 3vw, 28px);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.timeline-card:hover {
  transform: translateX(6px);
  border-color: var(--accent-soft);
  box-shadow: 0 12px 30px var(--shadow-color);
}

.timeline-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.timeline-top h3 {
  font-size: clamp(17px, 2.3vw, 20px);
  font-weight: 600;
}

.job-type {
  display: inline-block;
  vertical-align: middle;
  margin-left: 6px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  border-radius: 6px;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.company {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--accent);
  margin-top: 2px;
}

.timeline-top .date-range {
  flex-shrink: 0;
}

.timeline-card ul {
  margin-left: 18px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.timeline-card li {
  margin-bottom: 4px;
}

.timeline-card li::marker {
  color: var(--accent);
}

/* ================= Certifications ================= */
.subhead {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 600;
  margin: 44px 0 18px;
}

.subhead i {
  color: var(--accent);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.cert-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.cert-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  font-size: 18px;
  color: #c74634;
  background: rgba(199, 70, 52, 0.12);
}

.cert-text {
  flex: 1;
  min-width: 0;
}

.cert-text strong {
  display: block;
  font-size: 16px;
}

.cert-text small {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-secondary);
}

.cert-arrow {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.cert-card:hover .cert-arrow {
  color: var(--accent);
}

/* ================= Education ================= */
.accordion-section {
  max-width: 860px;
}

.accordion-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
  transition: all 0.35s ease;
}

.accordion-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(var(--accent), var(--accent-2));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.35s ease;
}

.accordion-card:hover {
  border-color: var(--accent-soft);
  box-shadow: 0 12px 30px var(--shadow-color);
}

.accordion-card.active::before,
.accordion-card:hover::before {
  transform: scaleY(1);
}

.accordion-card-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px clamp(18px, 3vw, 28px);
  text-align: left;
  -webkit-tap-highlight-color: transparent;
}

.institution-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.institution-logo {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 20px;
}

.institution-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
}

.institution-info h3 {
  font-size: clamp(16px, 2.3vw, 19px);
  font-weight: 600;
}

.degree-short {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-secondary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.date-range {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  color: var(--accent);
  background: var(--accent-soft);
}

.accordion-toggle {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-secondary);
  transition: transform 0.35s ease, color 0.35s ease, border-color 0.35s ease;
}

.accordion-card.active .accordion-toggle {
  transform: rotate(180deg);
  color: var(--accent);
  border-color: var(--accent);
}

.accordion-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s ease;
}

.accordion-card.active .accordion-content {
  grid-template-rows: 1fr;
}

.accordion-inner {
  overflow: hidden;
  padding: 0 clamp(18px, 3vw, 28px) 0 calc(clamp(18px, 3vw, 28px) + 64px);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.accordion-card.active .accordion-inner {
  padding-bottom: 26px;
}

.location {
  font-size: 14px;
}

.location i {
  color: var(--accent);
  margin-right: 6px;
}

.accordion-inner h4 {
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 18px 0 10px;
}

.accordion-inner ul {
  margin-left: 18px;
}

.accordion-inner li {
  margin-bottom: 6px;
}

.accordion-inner li::marker {
  color: var(--accent);
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin-left: 0 !important;
}

.pill-list li {
  margin: 0;
  padding: 5px 12px;
  font-size: 13px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--bg);
}

/* ================= Projects ================= */
/* Featured client project */
.featured-project {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
  padding: clamp(18px, 3vw, 28px);
  margin-bottom: clamp(48px, 7vw, 72px);
  border-radius: 24px;
  border: 1px solid var(--border-color);
  background:
    radial-gradient(circle at 0% 0%, var(--accent-soft), transparent 55%),
    var(--card-bg);
  box-shadow: 0 20px 50px var(--shadow-color);
}

.featured-shot {
  display: block;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: #0d1117;
  box-shadow: 0 16px 40px var(--shadow-color);
  transition: transform 0.4s ease;
}

.featured-shot:hover {
  transform: translateY(-4px) scale(1.01);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: #161b22;
}

.browser-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ff5f57;
}

.browser-bar span:nth-child(2) { background: #febc2e; }
.browser-bar span:nth-child(3) { background: #28c840; }

.browser-bar em {
  flex: 1;
  margin: 0 30px 0 12px;
  padding: 3px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  font-family: var(--font-mono);
  font-size: 12px;
  font-style: normal;
  color: rgba(230, 237, 247, 0.6);
  text-align: center;
}

.featured-shot img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
}

.featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
}

.featured-body h3 {
  font-size: clamp(26px, 3.5vw, 34px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.featured-body > p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
  margin: 18px 0 4px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-primary);
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.feature-list i {
  margin-top: 3px;
  color: var(--accent);
}

.featured-body .btn {
  margin-top: 4px;
}

.featured-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Second featured card: screenshot on the right */
.featured-project.reverse {
  grid-template-columns: 1fr 1.15fr;
  background:
    radial-gradient(circle at 100% 0%, var(--accent-soft), transparent 55%),
    var(--card-bg);
}

.featured-project.reverse .featured-shot {
  order: 2;
}

.company a {
  transition: opacity 0.25s ease;
}

.company a:hover {
  opacity: 0.8;
}

.company a i {
  font-size: 11px;
  margin-left: 2px;
}

@media (max-width: 860px) {
  .featured-project,
  .featured-project.reverse {
    grid-template-columns: 1fr;
  }

  .featured-project.reverse .featured-shot {
    order: 0;
  }
}

@media (max-width: 480px) {
  .feature-list {
    grid-template-columns: 1fr;
  }
}

.project-tabs {
  display: flex;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto clamp(36px, 5vw, 50px);
  padding: 6px;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: center;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 999px;
}

.tab-button {
  padding: 9px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.25s ease;
}

.tab-button:hover:not(.active) {
  color: var(--text-primary);
}

.tab-button.active {
  background: var(--accent);
  color: var(--on-accent);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.project-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  animation: slideUp 0.5s ease forwards;
}

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

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-soft);
  box-shadow: 0 20px 40px var(--shadow-color);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Image placeholder — swap the <div> for <img class="project-image" src="..."> */
.project-image {
  width: 100%;
  height: 170px;
  object-fit: cover;
  display: grid;
  place-items: center;
  font-size: 44px;
  color: var(--accent);
  background:
    radial-gradient(circle at 30% 20%, var(--accent-soft), transparent 60%),
    linear-gradient(135deg, var(--card-hover), var(--card-bg));
  border-bottom: 1px solid var(--border-color);
}

.project-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px;
}

.project-category {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.project-card h3 {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 10px;
}

.project-card p {
  flex: 1;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 18px 0;
}

.tags li {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  color: var(--text-secondary);
  background: var(--bg);
  border: 1px solid var(--border-color);
}

.project-links {
  display: flex;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.project-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.25s ease, gap 0.25s ease;
}

.project-links a:hover {
  color: var(--accent);
  gap: 12px;
}

/* ================= Contact CTA ================= */
.cta-box {
  text-align: center;
  padding: clamp(40px, 7vw, 70px) clamp(20px, 5vw, 60px);
  border-radius: 28px;
  border: 1px solid var(--border-color);
  background:
    radial-gradient(circle at 50% 0%, var(--accent-soft), transparent 70%),
    var(--card-bg);
}

.cta-box h2 {
  font-size: clamp(28px, 5vw, 42px);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.cta-box p {
  font-family: var(--font-body);
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 30px;
  line-height: 1.7;
}

/* ================= Footer ================= */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px clamp(20px, 5vw, 40px);
  border-top: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
}

.back-to-top {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.back-to-top:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-3px);
}

/* ================= Contact popup ================= */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.popup-overlay.active {
  opacity: 1;
  visibility: visible;
}

.contact-popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -46%);
  width: calc(100% - 32px);
  max-width: 460px;
  padding: 32px;
  background: var(--popup-bg);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  box-shadow: 0 30px 60px var(--shadow-color);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.contact-popup.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%);
}

.contact-popup h3 {
  font-size: 26px;
  font-weight: 700;
}

.contact-sub {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-secondary);
  margin: 6px 0 24px;
}

.contact-methods {
  display: grid;
  gap: 12px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  transition: all 0.3s ease;
}

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

.contact-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  font-size: 18px;
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.contact-text {
  flex: 1;
  min-width: 0;
}

.contact-text strong {
  display: block;
  font-size: 16px;
}

.contact-text small {
  display: block;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-arrow {
  color: var(--text-secondary);
  transition: transform 0.3s ease, color 0.3s ease;
}

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

.copy-email {
  width: 100%;
  margin-top: 16px;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px dashed var(--border-color);
  border-radius: 12px;
  transition: all 0.25s ease;
}

.copy-email:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.close-popup {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  font-size: 22px;
  line-height: 1;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  transition: all 0.25s ease;
}

.close-popup:hover {
  color: var(--text-primary);
  transform: rotate(90deg);
}

/* ================= Photo modal ================= */
.photo-modal-overlay,
.resume-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  justify-content: center;
  align-items: center;
  background: rgba(2, 6, 23, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.photo-modal-overlay.open,
.resume-modal-overlay.open {
  display: flex;
}

.photo-modal {
  position: relative;
  animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
  from { opacity: 0; transform: scale(0.85); }
  to { opacity: 1; transform: scale(1); }
}

.enlarged-profile-img {
  display: block;
  width: min(80vw, 420px);
  height: min(80vw, 420px);
  border-radius: 32px;
  object-fit: cover;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.close-photo-modal {
  position: absolute;
  top: -46px;
  right: 0;
  width: 40px;
  height: 40px;
  font-size: 30px;
  color: #fff;
  transition: transform 0.3s ease;
}

.close-photo-modal:hover {
  transform: rotate(90deg);
}

/* ================= Resume modal ================= */
.resume-modal {
  display: flex;
  flex-direction: column;
  width: min(92vw, 900px);
  height: min(92vh, 800px);
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  animation: zoomIn 0.25s ease;
}

.resume-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
}

.resume-title {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #111827;
}

.resume-title i {
  color: #0d9488;
  font-size: 18px;
}

.resume-title span {
  font-size: 16px;
  font-weight: 600;
}

.resume-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.download-action,
.open-action,
.close-resume-modal {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #4b5563;
  transition: all 0.2s ease;
}

.close-resume-modal {
  font-size: 24px;
  line-height: 1;
}

.download-action:hover,
.open-action:hover,
.close-resume-modal:hover {
  background: #f3f4f6;
  color: #0d9488;
}

.resume-modal-content {
  flex: 1;
}

#resume-iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: #fff;
}

/* ================= Responsive ================= */
@media (max-width: 1024px) {
  .navlinks a {
    padding: 8px 12px;
    font-size: 14px;
  }
}

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-visual {
    order: -1;
    width: min(240px, 60vw);
  }

  .bio {
    margin-left: auto;
    margin-right: auto;
  }

  .btn-group,
  .social {
    justify-content: center;
  }

  .chip {
    font-size: 12px;
    padding: 8px 12px;
  }

  .chip-1 { left: -28%; }
  .chip-2 { right: -26%; }

  .scroll-hint {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 68px;
  }

  .togglebtn {
    display: flex;
  }

  .navlinks {
    position: fixed;
    top: 0;
    right: 0;
    width: 72%;
    max-width: 320px;
    height: 100vh;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 8px;
    padding: 24px;
    border-radius: 24px 0 0 24px;
    border-right: none;
    box-shadow: -10px 0 30px var(--shadow-color);
    transform: translateX(110%);
    transition: transform 0.35s ease;
    z-index: 1000;
  }

  .navlinks.active {
    transform: translateX(0);
  }

  .navlinks a {
    font-size: 18px;
    padding: 12px 20px;
    text-align: center;
  }

  .cursor-glow {
    display: none;
  }

  .resume-modal {
    width: 100%;
    height: 100%;
    border-radius: 0;
  }

  .accordion-inner {
    padding-left: clamp(18px, 3vw, 28px);
  }
}

@media (max-width: 520px) {
  .btn-group {
    display: grid;
    grid-template-columns: 1fr auto;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }

  .btn-group .btn-ghost {
    grid-column: 1 / -1;
  }

  .social-line,
  .social-label {
    display: none;
  }

  .status-pill {
    font-size: 12px;
    text-align: left;
  }

  .timeline {
    padding-left: 28px;
  }

  .timeline-dot {
    left: -28px;
  }

  .timeline-top {
    flex-direction: column;
  }

  .chip-1 { left: -20%; top: 4%; }
  .chip-2 { right: -20%; bottom: 2%; }

  .accordion-card-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-right {
    width: 100%;
    justify-content: space-between;
    padding-left: 64px;
  }

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

  .terminal-body {
    min-height: 640px;
  }

  .footer {
    flex-direction: column;
    text-align: center;
  }

  .contact-popup {
    padding: 26px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}