/* ============================
   DESIGN TOKENS
   ============================ */
:root {
  --bg: #0A0A0A;
  --bg-secondary: #111111;
  --accent: #00E5FF;
  --sub-accent: #3B82F6;
  --text: #FFFFFF;
  --text-secondary: #A1A1AA;
  --font-heading: 'Clash Display', 'Satoshi', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --container-max: 1200px;
  --section-padding: 120px 0;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ============================
   PAGE LOADER
   ============================ */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__content {
  text-align: center;
}

.loader__text {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 500;
  color: var(--text);
  display: block;
  opacity: 0;
  transition: opacity 0.4s ease;
  letter-spacing: -0.02em;
}

.loader__text.visible {
  opacity: 1;
}

.loader__underline {
  width: 120px;
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
  margin: 16px auto 0;
  border-radius: 2px;
  overflow: hidden;
}

.loader__underline-fill {
  width: 0%;
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.6s ease;
}

/* ============================
   NAVBAR
   ============================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: 72px;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  position: fixed;
}

.navbar.scrolled::before {
  content: '';
  position: absolute;
  inset: 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: -1;
}

.navbar__logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.navbar__logo img {
  width: 40px;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.navbar__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition);
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width var(--transition);
}

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

.navbar__links a:hover::after {
  width: 100%;
}

.navbar__cta {
  padding: 8px 20px;
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 6px;
  color: var(--accent) !important;
  transition: all var(--transition) !important;
}

.navbar__cta:hover {
  background: rgba(0, 229, 255, 0.08);
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.15);
}

.navbar__cta::after {
  display: none !important;
}

.navbar__mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.navbar__mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================
   SECTION COMMON
   ============================ */
.section {
  padding: var(--section-padding);
  position: relative;
  z-index: 1;
}

.section__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 32px;
}

.section__container--narrow {
  max-width: 780px;
}

.section__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.section__heading {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 40px;
  position: relative;
}

.section__heading::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--accent);
  margin-top: 16px;
  border-radius: 2px;
}

/* Split-color text */
.text-white {
  color: var(--text);
}

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

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

/* ============================
   HERO SECTION
   ============================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 75% 40%, rgba(0,229,255,0.08), transparent 50%),
    radial-gradient(circle at 20% 70%, rgba(59,130,246,0.05), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* noise texture overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

.hero__particles {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__container {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 80px;
  align-items: center;
}

.hero__text {
  opacity: 0;
  transform: translateY(30px);
}

.hero__text.animate-in {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.hero__heading {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 16px;
}

.hero__heading .text-cyan {
  display: block;
  text-shadow: 0 0 40px rgba(0, 229, 255, 0.05);
}

.hero__subtitle-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  height: 28px;
}

.hero__subtitle-prefix {
  font-weight: 500;
}

.hero__subtitle-separator {
  color: rgba(255, 255, 255, 0.2);
}

.hero__rotating-text {
  color: var(--accent);
  font-weight: 600;
  display: inline-block;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.hero__rotating-text.fade-out {
  opacity: 0;
  transform: translateY(10px);
}

.hero__description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 32px;
}

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

/* Download resume circle button */
.btn-download {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.btn-download:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 0 25px rgba(0, 229, 255, 0.2);
}

.btn-download:active {
  transform: scale(0.96);
}

.btn-download svg {
  pointer-events: none;
}

.hero__image {
  display: flex;
  justify-content: center;
  opacity: 0;
  transform: translateY(30px);
}

.hero__image.animate-in {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}

/* -- Portrait integration -- */
.hero__portrait {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  will-change: transform;
}

/* Accent pulse ring on hover */
.hero__portrait::after {
  content: '';
  position: absolute;
  width: 324px;
  height: 424px;
  border-radius: 18px;
  border: 1px solid rgba(0, 229, 255, 0.4);
  z-index: 2;
  opacity: 0;
  pointer-events: none;
  transition: none;
}

.hero__portrait.portrait-hovered::after {
  animation: accentPulse 1.5s ease-out forwards;
}

@keyframes accentPulse {
  0%   { opacity: 0; transform: scale(1); }
  30%  { opacity: 0.4; }
  100% { opacity: 0; transform: scale(1.04); }
}

/* 1) Cyan rim glow — environmental lighting */
.hero__portrait-glow {
  position: absolute;
  width: 340px;
  height: 440px;
  border-radius: 50%;
  background: radial-gradient(
    ellipse at 35% 50%,
    rgba(0, 229, 255, 0.18) 0%,
    rgba(0, 229, 255, 0.06) 40%,
    transparent 70%
  );
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
  transform: translateX(-10px);
}

/* Portrait frame — holds image + overlays */
.hero__portrait-frame {
  position: relative;
  width: 320px;
  height: 420px;
  border-radius: 16px;
  overflow: hidden;
  z-index: 1;
  animation: float 4s ease-in-out infinite;
  will-change: transform;
}

.hero__portrait-frame.tilt-active {
  animation: none;
}

/* 6) Image with color balance — slightly cooler, more contrast */
.hero__portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: saturate(0.92) contrast(1.08) brightness(0.97);
}

/* 2) Bottom fade blend — dissolves into bg */
.hero__portrait-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 18%;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(10, 10, 10, 0.4) 40%,
    rgba(10, 10, 10, 0.85) 75%,
    #0A0A0A 100%
  );
  pointer-events: none;
  z-index: 2;
}

/* 4) Ultra subtle glass reflection */
.hero__portrait-glass {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.07) 0%,
    rgba(255, 255, 255, 0.02) 30%,
    transparent 60%
  );
  pointer-events: none;
  z-index: 3;
}

/* 5) One-time light sweep on load */
.hero__portrait-sweep {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 0%,
    transparent 35%,
    rgba(255, 255, 255, 0.08) 45%,
    rgba(255, 255, 255, 0.03) 55%,
    transparent 65%,
    transparent 100%
  );
  transform: translateX(-110%);
  pointer-events: none;
  z-index: 4;
  animation: sweepOnce 1.1s ease-out 3.2s forwards;
}

@keyframes sweepOnce {
  0%   { transform: translateX(-110%); }
  100% { transform: translateX(110%); opacity: 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
}

/* ============================
   BUTTONS
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn--outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.2);
}

.btn--primary {
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
}

.btn--primary:hover {
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.35);
  transform: translateY(-1px);
}

/* ============================
   ABOUT SECTION
   ============================ */
.about__text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about__text:last-child {
  margin-bottom: 0;
}

/* ============================
   SKILLS SECTION
   ============================ */
.skills {
  background: var(--bg-secondary);
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
}

.skills__category-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

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

.skill-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all 0.25s ease;
  --brand: var(--accent);
}

.skill-item i,
.skill-item .skill-svg {
  font-size: 1.3rem;
  color: var(--text);
  width: 22px;
  text-align: center;
  transition: color 0.25s ease;
}

.skill-item .skill-svg {
  width: 22px;
  height: 22px;
  fill: var(--text);
  transition: fill 0.25s ease;
}

.skill-item:hover {
  border-color: color-mix(in srgb, var(--brand) 30%, transparent);
  background: color-mix(in srgb, var(--brand) 8%, transparent);
  color: var(--text);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--brand) 12%, transparent);
}

.skill-item:hover i {
  color: var(--brand);
}

.skill-item:hover .skill-svg {
  fill: var(--brand);
}

/* Skills assemble animation */
.skill-item.scatter {
  opacity: 0;
  transform: translate(var(--scatter-x), var(--scatter-y));
  transition: none;
}

.skill-item.assemble {
  opacity: 1;
  transform: translate(0, 0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* ============================
   PROJECTS SECTION
   ============================ */
.project {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.project-separator {
  width: 100%;
  height: 1px;
  margin: 80px 0;
  position: relative;
  opacity: 0.6;
}

.project-separator::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.08) 20%,
    rgba(0, 229, 255, 0.35) 50%,
    rgba(255, 255, 255, 0.08) 80%,
    transparent 100%
  );
}

.project:last-child {
  margin-bottom: 0;
}

.project--reversed {
  direction: rtl;
}

.project--reversed > * {
  direction: ltr;
}

/* -- Project preview container -- */
.project__preview {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #0E0E0E;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 0 80px rgba(0, 229, 255, 0.04);
  transition: transform 0.2s ease-out, box-shadow 0.3s ease;
  will-change: transform;
}

.project__preview:hover {
  box-shadow: 0 0 120px rgba(0, 229, 255, 0.08);
}

.project__preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.96) contrast(1.04);
}

/* Vignette overlay */
.project__preview-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 60%, rgba(0, 0, 0, 0.3) 100%);
  pointer-events: none;
  z-index: 1;
}

/* Glass hover overlay */
.project__preview-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  background: rgba(10, 10, 10, 0);
  opacity: 0;
  transition: opacity 0.25s ease, backdrop-filter 0.25s ease, background 0.25s ease;
}

.project__preview:hover .project__preview-overlay,
.project__preview.overlay-active .project__preview-overlay {
  opacity: 1;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(10, 10, 10, 0.55);
}

/* Terminal top bar */
.project__preview-terminal {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 36px;
  padding: 0 14px;
  background: rgba(20, 20, 20, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  flex-shrink: 0;
}

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

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

.dot--red { background: #FF5F56; }
.dot--yellow { background: #FFBD2E; }
.dot--green { background: #27C93F; }

.project__preview-cmd {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

/* Action buttons */
.project__preview-actions {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease 0.1s, transform 0.3s ease 0.1s;
}

.project__preview:hover .project__preview-actions,
.project__preview.overlay-active .project__preview-actions {
  opacity: 1;
  transform: translateY(0);
}

/* Small button variant */
.btn--sm {
  padding: 9px 22px;
  font-size: 0.82rem;
}

/* Disabled live site button */
.btn--live[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.7;
  position: relative;
}

.btn--live[aria-disabled="true"]:hover {
  box-shadow: none;
  transform: none;
}

/* Custom tooltip */
.btn-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(5px);
  background: rgba(20, 20, 20, 0.95);
  color: #A1A1AA;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 400;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 10;
}

.btn-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: rgba(20, 20, 20, 0.95);
}

.btn-tooltip.tooltip-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.project__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--text);
}

.project__title::before {
  content: '— ';
  color: var(--accent);
}

.project__description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.project__features {
  margin-bottom: 20px;
}

.project__features li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}

.project__features li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

.project__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ============================
   EDUCATION SECTION
   ============================ */
.education__item {
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.education__item:first-of-type {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.education__degree {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.education__school {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.education__year {
  font-size: 0.85rem;
  color: var(--text-secondary);
  opacity: 0.6;
}

/* ============================
   CURRENT FOCUS / TIMELINE
   ============================ */
.focus__intro {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 48px;
  max-width: 600px;
}

.timeline {
  position: relative;
}

/* Cinematic edge fades */
.timeline::before,
.timeline::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.timeline::before {
  left: 0;
  background: linear-gradient(to right, #0A0A0A 0%, rgba(10,10,10,0.8) 40%, transparent 100%);
}

.timeline::after {
  right: 0;
  background: linear-gradient(to left, #0A0A0A 0%, rgba(10,10,10,0.8) 40%, transparent 100%);
}

.timeline__track {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 16px 0 24px;
  position: relative;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.timeline__track::-webkit-scrollbar {
  display: none;
}

/* Thin horizontal line running through dots */
.timeline__track::before {
  content: '';
  position: absolute;
  top: 22px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06) 5%, rgba(255,255,255,0.06) 95%, transparent);
  z-index: 0;
}

.timeline__item {
  flex: 0 0 220px;
  scroll-snap-align: start;
  padding-top: 40px;
  position: relative;
  transition: transform 0.25s ease;
}

.timeline__item:hover {
  transform: translateY(-2px);
}

/* Dot indicators */
.timeline__dot {
  position: absolute;
  top: 16px;
  left: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  z-index: 1;
}

/* Completed — muted */
.timeline__item--completed .timeline__dot {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Active — glowing cyan */
.timeline__item--active .timeline__dot {
  background: var(--accent);
  border: 1px solid var(--accent);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.1), 0 0 30px rgba(0, 229, 255, 0.15);
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 12px rgba(0,229,255,0.5), 0 0 30px rgba(0,229,255,0.15); }
  50%      { box-shadow: 0 0 16px rgba(0,229,255,0.7), 0 0 40px rgba(0,229,255,0.25); }
}

/* In progress — semi accent */
.timeline__item--progress .timeline__dot {
  background: rgba(0, 229, 255, 0.3);
  border: 1px solid rgba(0, 229, 255, 0.2);
}

/* Content */
.timeline__content {
  padding: 0 20px 0 24px;
}

.timeline__title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
  position: relative;
  display: inline-block;
}

.timeline__title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--text-secondary);
  transition: width 0.3s ease;
}

.timeline__item:hover .timeline__title::after {
  width: 100%;
}

.timeline__status {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.25);
  margin-bottom: 8px;
}

.timeline__desc {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.3);
  line-height: 1.5;
}

/* Active item emphasis */
.timeline__item--active {
  flex: 0 0 240px;
}

.timeline__item--active .timeline__title {
  color: var(--text);
  font-size: 1rem;
}

.timeline__item--active .timeline__title::after {
  width: 100%;
  background: var(--accent);
  height: 2px;
}

.timeline__item--active .timeline__status {
  color: var(--accent);
}

.timeline__item--active .timeline__desc {
  color: var(--text-secondary);
}

.timeline__item--active:hover {
  transform: translateY(-2px) scale(1.02);
}

/* In-progress item */
.timeline__item--progress .timeline__title {
  color: rgba(255, 255, 255, 0.7);
}

.timeline__item--progress .timeline__status {
  color: rgba(0, 229, 255, 0.5);
}

.timeline__item--progress .timeline__desc {
  color: rgba(255, 255, 255, 0.35);
}

/* ============================
   CONTACT SECTION
   ============================ */
.contact {
  background: var(--bg-secondary);
}

.contact__inner {
  text-align: center;
}

.contact__inner .section__heading::after {
  margin-left: auto;
  margin-right: auto;
}

.contact__text {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact__buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================
   FOOTER
   ============================ */
.footer {
  padding: 32px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  opacity: 0.5;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

/* ============================
   SCROLL ANIMATIONS
   ============================ */
.anim-fade {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.anim-fade.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

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

  .hero__buttons {
    justify-content: center;
  }

  .hero__subtitle-wrapper {
    justify-content: center;
  }

  .hero__portrait-frame {
    width: 260px;
    height: 340px;
  }

  .hero__portrait-glow {
    width: 280px;
    height: 360px;
  }

  .skills__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .project {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .project--reversed {
    direction: ltr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 80px 0;
  }
  /* Scroll lock when menu open */
  body.menu-open {
    overflow: hidden;
  }

  .navbar {
    padding: 0 24px;
    z-index: 200;
  }

  .navbar__links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 36px;
    z-index: 199;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
  }

  .navbar__links.open {
    opacity: 1;
    visibility: visible;
  }

  .navbar__links a {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s ease;
  }

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

  .navbar__cta {
    margin-top: 8px;
  }

  .navbar__mobile-toggle {
    display: flex;
    z-index: 2010;
  }

  /* Hamburger → X animation */
  .navbar__mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .navbar__mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .navbar__mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero__heading {
    font-size: clamp(2.4rem, 8vw, 3.5rem);
  }

  .hero__portrait-frame {
    width: 220px;
    height: 290px;
  }

  .hero__portrait-glow {
    width: 240px;
    height: 310px;
  }

  /* Download button smaller on mobile */
  .btn-download {
    width: 44px;
    height: 44px;
  }

  .section__container {
    padding: 0 20px;
  }

  .contact__buttons {
    flex-direction: column;
    align-items: center;
  }

  /* Timeline vertical on mobile */
  .timeline::before,
  .timeline::after {
    display: none;
  }

  .timeline__track {
    flex-direction: column;
    overflow-x: visible;
    overflow-y: auto;
    scroll-snap-type: none;
    padding: 0 0 0 24px;
    max-height: 520px;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 40px, #000 calc(100% - 40px), transparent 100%);
    mask-image: linear-gradient(to bottom, transparent 0%, #000 40px, #000 calc(100% - 40px), transparent 100%);
  }

  .timeline__track::before {
    top: 0;
    bottom: 0;
    left: 6px;
    right: auto;
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg, transparent, rgba(255,255,255,0.06) 5%, rgba(255,255,255,0.06) 95%, transparent);
  }

  .timeline__item {
    flex: none;
    padding-top: 0;
    padding-left: 16px;
    padding-bottom: 32px;
  }

  .timeline__dot {
    top: 3px;
    left: -20px;
    width: 10px;
    height: 10px;
  }

  .timeline__item--active {
    flex: none;
  }

  /* Accent pulse ring smaller on mobile */
  .hero__portrait::after {
    width: 224px;
    height: 294px;
  }
}