/*
  ================================================================
  COLOR PALETTE

  Swap these to re-skin. Also find-replace the Tailwind
  color names in index.html (indigo → violet, etc).
  ================================================================
*/

:root {
  --color-primary: #6366f1;
  --color-primary-dark: #4338ca;
  --color-accent: #06b6d4;
  --color-accent-light: #22d3ee;
  --glow-size: 600px;
}


/* ---------- Custom cursor glow ---------- */

.cursor-spotlight {
  position: fixed;
  width: var(--glow-size);
  height: var(--glow-size);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.4s ease;
  background: radial-gradient(
    circle,
    rgba(99, 102, 241, 0.06) 0%,
    transparent 70%
  );
  transform: translate(-50%, -50%);
}

.cursor-spotlight.visible {
  opacity: 1;
}

.dark .cursor-spotlight {
  background: radial-gradient(
    circle,
    rgba(99, 102, 241, 0.08) 0%,
    transparent 70%
  );
}


/* ---------- Hero gradient ---------- */

.hero-background {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 30%, #3730a3 60%, #155e75 100%);
}


/* ---------- Hero text animations ---------- */

.hero-title {
  background: linear-gradient(135deg, #ffffff 0%, #c7d2fe 50%, #22d3ee 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 6s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

.intro-line {
  opacity: 0;
  transform: translateY(30px);
  animation: hero-enter 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.intro-line:nth-child(1) { animation-delay: 0.15s; }
.intro-line:nth-child(2) { animation-delay: 0.35s; }
.intro-line:nth-child(3) { animation-delay: 0.55s; }
.intro-line:nth-child(4) { animation-delay: 0.75s; }

@keyframes hero-enter {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ---------- Typing cursor ---------- */

.typewriter::after {
  content: '|';
  animation: blink 0.75s step-end infinite;
  margin-left: 2px;
  font-weight: 400;
  color: var(--color-accent-light);
}

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


/* ---------- Status badge ---------- */

.availability-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34d399;
  display: inline-block;
  position: relative;
}

.availability-dot::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: #34d399;
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0%   { opacity: 0.6; transform: scale(1); }
  100% { opacity: 0;   transform: scale(2.2); }
}


/* ---------- Hero particles (canvas) ---------- */

#hero-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}


/* ---------- Hero blobs (parallax targets) ---------- */

.ambient-orb {
  transition: transform 0.15s ease-out;
  will-change: transform;
}


/* ---------- Scroll-reveal base ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal].in-view {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="left"] {
  transform: translateX(-30px);
}
[data-reveal="left"].in-view {
  transform: translateX(0);
}

[data-reveal="right"] {
  transform: translateX(30px);
}
[data-reveal="right"].in-view {
  transform: translateX(0);
}

[data-reveal="scale"] {
  transform: scale(0.92);
}
[data-reveal="scale"].in-view {
  transform: scale(1);
}


/* ---------- 3D card tilt ---------- */

.project-card {
  transform-style: preserve-3d;
  perspective: 800px;
  will-change: transform;
}

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

.project-card .card-glare {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: radial-gradient(
    circle at var(--shine-x, 50%) var(--shine-y, 50%),
    rgba(255, 255, 255, 0.12) 0%,
    transparent 60%
  );
  z-index: 2;
}

.project-card:hover .card-glare {
  opacity: 1;
}


/* ---------- Project card image ---------- */

.project-thumbnail {
  overflow: hidden;
}

.project-thumbnail img {
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-thumbnail img {
  transform: scale(1.06);
}


/* ---------- Skill pill interactions ---------- */

.skill-tag-hoverable {
  cursor: default;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.skill-tag-hoverable:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.15);
}

.dark .skill-tag-hoverable:hover {
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.2);
}

.skill-tag-reveal {
  opacity: 0;
  transform: translateY(10px);
}

.skill-tag-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.35s ease, transform 0.35s ease;
}


.skill-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.skill-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.1);
}

.dark .skill-card:hover {
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
}

.skill-card img {
  transition: transform 0.3s ease;
}

.skill-card:hover img {
  transform: scale(1.15) rotate(-5deg);
}


/* ---------- Code block ---------- */

.code-snippet {
  font-family: 'Courier New', Courier, monospace;
  tab-size: 2;
}

.code-snippet code {
  display: block;
  white-space: pre;
}


/* ---------- Social icon hover ---------- */

.social-link {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              color 0.2s ease;
}

.social-link:hover {
  transform: translateY(-3px) scale(1.15);
}


/* ---------- Section heading decorator ---------- */

.section-label {
  position: relative;
  display: inline-block;
}

.section-label::before {
  content: attr(data-decorator);
  position: absolute;
  top: -1.3em;
  left: 0;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.35;
  font-family: 'Courier New', Courier, monospace;
}


/* ---------- About photo ---------- */

.profile-photo {
  position: relative;
  z-index: 1;
}

.profile-photo::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 1rem;
  padding: 4px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  z-index: -1;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.profile-photo:hover::before {
  opacity: 1;
}


/* ---------- CTA button gradient sweep ---------- */

.cta-button {
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.15) 50%,
    transparent 100%
  );
  transition: left 0.5s ease;
  z-index: -1;
}

.cta-button:hover::before {
  left: 100%;
}


/* ---------- Theme toggle spin ---------- */

.darkmode-toggle {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
              background-color 0.2s ease, border-color 0.2s ease;
}

.darkmode-toggle:active {
  transform: rotate(180deg) scale(0.9);
}


/* ---------- Section dot nav ---------- */

.side-nav {
  position: fixed;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.side-nav a {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.35);
  transition: background-color 0.3s ease, transform 0.3s ease;
  display: block;
}

.side-nav a.active {
  background: var(--color-primary);
  transform: scale(1.35);
}

.side-nav a:hover {
  background: var(--color-accent);
}

@media (max-width: 768px) {
  .side-nav { display: none; }
}


/* ---------- Keyframes ---------- */

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

.scroll-indicator {
  animation: float 2.4s ease-in-out infinite;
}

@keyframes check-pop {
  0%   { transform: scale(0.3); opacity: 0; }
  60%  { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1);   opacity: 1; }
}

.success-pop {
  animation: check-pop 0.45s ease-out forwards;
}


/* ---------- Scroll snap (section-per-section) ---------- */

@media (min-width: 768px) {
  html {
    scroll-snap-type: y mandatory;
  }

  .page-section {
    scroll-snap-align: start;
    min-height: 100vh;
  }

  .page-section:not(#hero) {
    display: flex;
    align-items: center;
  }

  .page-section:not(#hero) > div {
    width: 100%;
    max-height: 100vh;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-top: 2rem;
    padding-bottom: 2rem;
  }

  .page-section:not(#hero) > div::-webkit-scrollbar {
    display: none;
  }
}


/* ---------- Floating 3D tech icons ---------- */

.tech-icons {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
  display: none;
}

@media (min-width: 768px) {
  .tech-icons {
    display: block;
  }
}

.tech-icon {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--size);
  height: var(--size);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  animation: float-3d var(--dur, 7s) ease-in-out var(--delay, 0s) infinite;
  transform-style: preserve-3d;
}

.tech-icon img {
  width: 100%;
  height: 100%;
  filter: brightness(0) invert(1);
  opacity: 0.7;
  object-fit: contain;
}

@keyframes float-3d {
  0%, 100% {
    transform: translateY(0) rotateX(0deg) rotateY(0deg);
  }
  25% {
    transform: translateY(var(--float-y, -20px)) rotateX(10deg) rotateY(-15deg);
  }
  50% {
    transform: translateY(calc(var(--float-y, -20px) * 0.4)) rotateX(-5deg) rotateY(10deg);
  }
  75% {
    transform: translateY(calc(var(--float-y, -20px) * 0.8)) rotateX(8deg) rotateY(-8deg);
  }
}


/* ---------- Floating navigation header ---------- */

.floating-header {
  position: fixed;
  top: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
}

.floating-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem 0.6rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);
}

.dark .floating-nav {
  background: rgba(15, 23, 42, 0.88);
  border-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.nav-link {
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #64748b;
  transition: background-color 0.2s ease, color 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.dark .nav-link {
  color: #94a3b8;
}

.nav-link:hover,
.nav-link.active {
  background: rgba(99, 102, 241, 0.1);
  color: #6366f1;
}

.dark .nav-link:hover,
.dark .nav-link.active {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
}

@media (max-width: 480px) {
  .floating-header { display: none; }
}


/* ---------- About section — modern additions ---------- */

.about-currently-card {
  width: 100%;
  padding: 0.875rem 1rem;
  border-radius: 0.75rem;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.dark .about-currently-card {
  background: #1e293b;
  border-color: #334155;
}

.about-interest-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: default;
}

.dark .about-interest-tag {
  background: #1e293b;
  color: #94a3b8;
  border-color: #334155;
}

.about-interest-tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.about-timeline {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  padding-left: 0.875rem;
  border-left: 2px solid #e2e8f0;
}

.dark .about-timeline {
  border-color: #334155;
}

.about-timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  position: relative;
}

.about-timeline-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
  margin-left: -1.3rem;
  border: 2px solid white;
  box-shadow: 0 0 0 2px var(--color-primary);
}

.dark .about-timeline-dot {
  border-color: #0f172a;
}

.about-timeline-dot--accent {
  background: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.about-timeline-dot--emerald {
  background: #34d399;
  box-shadow: 0 0 0 2px #34d399;
}


/* ---------- Contact email card ---------- */

.contact-email-card {
  display: inline-block;
  padding: 0.875rem 1.5rem;
  border-radius: 0.875rem;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.dark .contact-email-card {
  background: #1e293b;
  border-color: #334155;
}

.contact-email-address {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.contact-email-address:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.dark .contact-email-address {
  color: #a5b4fc;
}

.dark .contact-email-address:hover {
  color: #ffffff;
}

.contact-handle {
  font-size: 0.65rem;
  color: #94a3b8;
  font-family: 'Courier New', Courier, monospace;
  margin-top: 0.15rem;
}

.dark .contact-handle {
  color: #64748b;
}


/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .intro-line {
    opacity: 1;
    transform: none;
  }

  .skill-tag-reveal {
    opacity: 1;
    transform: none;
  }

  .cursor-spotlight { display: none; }
  .hero-title { animation: none; }
}


/* ---------- Hero section layout ---------- */

.hero-section {
  position: relative;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: white;
}


/* ---------- Hero ambient orbs ---------- */

.hero-orb-left {
  position: absolute;
  top: 25%;
  left: -6rem;
  width: 20rem;
  height: 20rem;
  background: rgba(99, 102, 241, 0.20);
  border-radius: 50%;
  filter: blur(48px);
  pointer-events: none;
}

.hero-orb-right {
  position: absolute;
  bottom: 33%;
  right: -6rem;
  width: 18rem;
  height: 18rem;
  background: rgba(6, 182, 212, 0.15);
  border-radius: 50%;
  filter: blur(48px);
  pointer-events: none;
}


/* ---------- Scroll indicator position ---------- */

/* animation already declared above; add positioning here */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  z-index: 10;
}


/* ---------- Hero wave ---------- */

.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  line-height: 0;
}


/* ---------- Section mobile padding ---------- */

@media (max-width: 767px) {
  .page-section {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
}


/* ---------- Alternate section background ---------- */

.alt-section {
  background: #f8fafc;
}

.dark .alt-section {
  background: rgba(30, 41, 59, 0.40);
}


/* ---------- Code window wrapper ---------- */

.code-window {
  margin-top: 2rem;
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid #e2e8f0;
}

.dark .code-window {
  border-color: #334155;
}


/* ---------- Code snippet colours + layout ---------- */

/* (font-family / tab-size already set above) */
.code-snippet {
  padding: 1rem;
  font-size: 0.75rem;
  line-height: 1.625;
  background: #f8fafc;
  color: #334155;
  overflow-x: auto;
}

.dark .code-snippet {
  background: #0f172a;
  color: #cbd5e1;
}


/* ---------- Skill card padding ---------- */

/* transition / hover already declared above */
.skill-card {
  padding: 1rem;
}


/* ---------- Pill group card padding ---------- */

.pill-group-card {
  padding: 1.25rem;
}