/* ═══════════════════════════════════════════════════════════
   DESIGN SYSTEM
   ═══════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Palette */
  --bg:          #070709;
  --surface:     #0d0d12;
  --card:        #111118;
  --card-h:      #17171f;
  --border:      rgba(255,255,255,0.07);
  --border-h:    rgba(124,110,247,0.4);

  /* Accent */
  --accent:      #7c6ef7;
  --accent-d:    #6355e8;
  --teal:        #00c9a7;
  --amber:       #f59e0b;

  /* Text */
  --text:        #ededf4;
  --muted:       #7878a0;
  --subtle:      #3d3d55;

  /* Gradients */
  --grad:        linear-gradient(135deg, #7c6ef7 0%, #00c9a7 100%);

  /* Fonts */
  --head:  'Space Grotesk', system-ui, sans-serif;
  --body:  'Inter', system-ui, sans-serif;
  --mono:  'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing (8px base) */
  --s1: 0.25rem; --s2: 0.5rem;  --s3: 0.75rem; --s4: 1rem;
  --s5: 1.25rem; --s6: 1.5rem;  --s7: 1.75rem; --s8: 2rem; --s10: 2.5rem;
  --s12: 3rem;   --s16: 4rem;   --s20: 5rem;   --s24: 6rem;
  --s32: 8rem;

  /* Layout */
  --maxw: 1200px;
  --nav-h: 68px;

  /* Radius */
  --r-sm: 6px; --r-md: 12px; --r-lg: 16px;
  --r-xl: 22px; --r-2xl: 30px; --r-full: 9999px;

  /* Transitions */
  --t-fast: 140ms ease;
  --t-base: 240ms ease;
  --t-slow: 380ms ease;

  /* Shadows */
  --sh-sm:  0 2px 8px rgba(0,0,0,0.5);
  --sh-md:  0 8px 32px rgba(0,0,0,0.55);
  --sh-lg:  0 24px 80px rgba(0,0,0,0.65);
  --sh-acc: 0 8px 40px rgba(124,110,247,0.22);
  --sh-acc-h: 0 20px 70px rgba(124,110,247,0.32);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul { list-style: none; }

/* ═══════════════════════════════════════════════════════════
   GLOBAL PREMIUM LAYERS
   ═══════════════════════════════════════════════════════════ */

/* Thin gradient accent bar at very top of page */
.top-line {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  z-index: 2000;
}

/* Film grain — the most impactful single detail for premium feel */
.noise {
  position: fixed;
  inset: 0;
  z-index: 1999;
  pointer-events: none;
  opacity: 0.032;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='250' height='250'%3E%3Cfilter id='n' x='0' y='0'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='250' height='250' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 180px 180px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--s4);
  z-index: 9999;
  padding: var(--s2) var(--s4);
  background: var(--accent);
  color: #fff;
  border-radius: var(--r-sm);
  font-weight: 600;
  transition: top var(--t-fast);
}
.skip-link:focus { top: var(--s4); }

/* ═══════════════════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════════════════ */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--s6);
}

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

/* ═══════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  padding: 0.6rem 1.4rem;
  border-radius: var(--r-full);
  font-family: var(--body);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
  transition: transform var(--t-base), box-shadow var(--t-base),
              color var(--t-base), border-color var(--t-base),
              background-color var(--t-base);
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background: var(--grad);
  color: #fff;
  box-shadow: var(--sh-acc);
}
.btn--primary:hover  { transform: translateY(-2px); box-shadow: var(--sh-acc-h); }
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-h);
}
.btn--ghost:hover {
  background: rgba(124,110,247,0.09);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn--text {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 500;
  gap: var(--s2);
  padding: 0;
}
.btn--text:hover { color: var(--text); }

.btn--sm    { padding: 0.45rem 1rem; font-size: 0.8rem; }
.btn--full  { width: 100%; justify-content: center; }

/* ═══════════════════════════════════════════════════════════
   PULSE DOT
   ═══════════════════════════════════════════════════════════ */

.pulse-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  position: relative;
}
.pulse-dot::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.3;
  animation: pulse 2.2s ease-in-out infinite;
}
.pulse-dot--green          { background: #22c55e; }
.pulse-dot--green::before  { background: #22c55e; }

@keyframes pulse {
  0%,100% { transform: scale(1);   opacity: 0.3; }
  50%      { transform: scale(2);   opacity: 0; }
}

/* ═══════════════════════════════════════════════════════════
   SOCIAL BUTTONS
   ═══════════════════════════════════════════════════════════ */

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  transition: transform var(--t-base), box-shadow var(--t-base),
              background var(--t-base), border-color var(--t-base), color var(--t-base);
  flex-shrink: 0;
}
.social-btn:hover {
  background: rgba(124,110,247,0.12);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--sh-acc);
}

/* ═══════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════ */

.nav {
  position: fixed;
  top: 2px; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background var(--t-slow), backdrop-filter var(--t-slow),
              border-color var(--t-slow), box-shadow var(--t-slow);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7,7,9,0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-color: var(--border);
  box-shadow: var(--sh-sm);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--s4);
}

.nav__logo {
  font-family: var(--head);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.nav__dot { color: var(--accent); }

.nav__menu {
  display: flex;
  gap: var(--s8);
}
.nav__link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted);
  transition: color var(--t-fast);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--grad);
  border-radius: var(--r-full);
  transition: width var(--t-base);
}
.nav__link:hover,
.nav__link.active { color: var(--text); }
.nav__link:hover::after,
.nav__link.active::after { width: 100%; }

.nav__cta { display: none; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--s2);
}
.bar {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: var(--r-full);
  transition: transform var(--t-base), opacity var(--t-base);
  transform-origin: center;
}
.nav__toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════ */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.45;
  will-change: transform;
}
.orb--1 {
  width: 650px; height: 650px;
  top: -15%; left: -12%;
  background: radial-gradient(circle, rgba(124,110,247,0.45), transparent 68%);
  animation: orb1 22s ease-in-out infinite alternate;
}
.orb--2 {
  width: 550px; height: 550px;
  top: 25%; right: -8%;
  background: radial-gradient(circle, rgba(0,201,167,0.3), transparent 68%);
  animation: orb2 28s ease-in-out infinite alternate;
}
.orb--3 {
  width: 400px; height: 400px;
  bottom: -12%; left: 28%;
  background: radial-gradient(circle, rgba(124,110,247,0.22), transparent 68%);
  animation: orb3 19s ease-in-out infinite alternate;
}

@keyframes orb1 { from { transform: translate(0,0); } to { transform: translate(70px,55px); } }
@keyframes orb2 { from { transform: translate(0,0); } to { transform: translate(-55px,75px); } }
@keyframes orb3 { from { transform: translate(0,0); } to { transform: translate(35px,-55px); } }

.hero__grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(124,110,247,0.12) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 75% 75% at 50% 40%, black 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 75% 75% at 50% 40%, black 10%, transparent 70%);
}

.hero__container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s12);
  align-items: center;
  padding-block: var(--s20) var(--s24);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  padding: 5px 14px;
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.22);
  border-radius: var(--r-full);
  font-size: 0.78rem;
  font-weight: 500;
  color: #22c55e;
  margin-bottom: var(--s6);
  letter-spacing: 0.02em;
}

.hero__heading {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--s4);
}
.hero__greeting {
  font-family: var(--head);
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin-bottom: var(--s1);
}
.hero__name {
  font-family: var(--head);
  font-size: clamp(3rem, 7.5vw, 5.8rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero__subtitle {
  font-family: var(--head);
  font-size: clamp(1.05rem, 2.2vw, 1.55rem);
  font-weight: 500;
  color: var(--muted);
  margin-top: var(--s4);
  margin-bottom: var(--s3);
  min-height: 1.8em;
}
.hero__typed  { color: var(--teal); }
.hero__cursor {
  display: inline-block;
  color: var(--accent);
  animation: blink 1s step-end infinite;
  margin-left: 1px;
}
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0; } }

.hero__currently {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: var(--s6);
  font-family: var(--mono);
  letter-spacing: 0.01em;
}
.hero__currently strong { color: var(--teal); font-weight: 600; }

.hero__desc {
  max-width: 500px;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.78;
  margin-bottom: var(--s8);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s4);
  margin-bottom: var(--s8);
}

.hero__socials {
  display: flex;
  gap: var(--s3);
}

/* Code card */
.hero__visual { display: none; }

.code-card {
  background: rgba(11,11,16,0.95);
  border: 1px solid var(--border-h);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-lg), var(--sh-acc);
  backdrop-filter: blur(20px);
  width: 100%;
  max-width: 400px;
  position: relative;
}
.code-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--r-xl) + 1px);
  background: var(--grad);
  z-index: -1;
  opacity: 0.5;
  filter: blur(1px);
}

.code-card__header {
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding: var(--s3) var(--s4);
  background: rgba(255,255,255,0.025);
  border-bottom: 1px solid var(--border);
}
.code-card__dots { display: flex; gap: 6px; }
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot--red    { background: #ff5f57; }
.dot--yellow { background: #febc2e; }
.dot--green  { background: #28c840; }
.code-card__filename {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--muted);
  margin-left: auto;
}
.code-card__lang {
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--accent);
  background: rgba(124,110,247,0.12);
  padding: 2px 7px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(124,110,247,0.2);
}

.code-card__body {
  display: flex;
}
.code-nums {
  display: flex;
  flex-direction: column;
  padding: var(--s5) var(--s3);
  min-width: 32px;
  text-align: right;
  font-family: var(--mono);
  font-size: 0.74rem;
  line-height: 1.8;
  color: var(--subtle);
  border-right: 1px solid var(--border);
  user-select: none;
}
.code-content {
  padding: var(--s5) var(--s5);
  flex: 1;
  overflow-x: auto;
}
.code-block {
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.8;
  white-space: pre;
}

/* Syntax — VS Code Dark+ */
.c-kw    { color: #569cd6; }
.c-var   { color: #dcdcaa; }
.c-prop  { color: #9cdcfe; }
.c-str   { color: #ce9178; }
.c-punc  { color: #d4d4d4; }
.c-comment { color: #6a9955; }

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: var(--s8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s2);
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: scrollBounce 2.2s ease-in-out infinite;
  z-index: 1;
}
@keyframes scrollBounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(7px); }
}

/* ═══════════════════════════════════════════════════════════
   SECTION SHARED
   ═══════════════════════════════════════════════════════════ */

.section {
  padding-block: clamp(var(--s20), 8vw, var(--s32));
}

.section__header {
  text-align: center;
  margin-bottom: var(--s16);
}
.section__num {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--subtle);
  letter-spacing: 0.18em;
  margin-bottom: var(--s2);
}
.section__tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--s3);
}
.section__title {
  font-family: var(--head);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
}
.section__sub {
  margin-top: var(--s4);
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 520px;
  margin-inline: auto;
}

/* ═══════════════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════════════ */

.about { background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 50%, var(--bg) 100%); }

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s12);
  align-items: start;
}

/* Intentional initials avatar — not a placeholder */
.profile-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--s7);
  position: relative;
  overflow: hidden;
}
.profile-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
}

.profile-card__top {
  display: flex;
  align-items: center;
  gap: var(--s5);
  margin-bottom: var(--s6);
}
.avatar {
  width: 64px; height: 64px;
  border-radius: var(--r-lg);
  background: var(--grad);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.avatar__initials {
  font-family: var(--head);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.03em;
}
.profile-card__name {
  font-family: var(--head);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 2px;
}
.profile-card__role {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: var(--s3);
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  padding: 3px 10px;
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: var(--r-full);
  font-size: 0.74rem;
  color: #4ade80;
}

.profile-details {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--s6);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.profile-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px var(--s4);
  font-size: 0.82rem;
  border-bottom: 1px solid var(--border);
  gap: var(--s4);
}
.profile-detail:last-child { border-bottom: none; }
.profile-detail__key { color: var(--muted); flex-shrink: 0; }
.profile-detail__val { color: var(--text); font-weight: 500; text-align: right; }

.profile-card__resume { margin-top: 0; }

/* About content */
.about__heading {
  font-family: var(--head);
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: var(--s5);
}
.about__text {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: var(--s4);
  font-size: 0.96rem;
}
.highlights {
  display: flex;
  flex-direction: column;
  gap: var(--s3);
  margin-block: var(--s6);
}
.highlight-item {
  display: flex;
  align-items: center;
  gap: var(--s3);
  font-size: 0.88rem;
  color: var(--muted);
}
.highlight-item__icon { flex-shrink: 0; color: var(--teal); }

.about__currently-box {
  display: flex;
  gap: var(--s4);
  align-items: flex-start;
  padding: var(--s4) var(--s5);
  background: rgba(124,110,247,0.06);
  border: 1px solid rgba(124,110,247,0.15);
  border-radius: var(--r-lg);
  margin-bottom: var(--s8);
}
.about__currently-icon {
  color: var(--accent);
  margin-top: 2px;
  flex-shrink: 0;
}
.about__currently-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: var(--s1);
}
.about__currently-text {
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════
   SKILLS
   ═══════════════════════════════════════════════════════════ */

.skills__container {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
}

.skills__panel {
  padding: var(--s8) var(--s8);
}

.skills__sep {
  height: 1px;
  background: var(--border);
}

.skills__panel-head {
  display: flex;
  align-items: center;
  gap: var(--s3);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: var(--s6);
}

.skills__pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2) var(--s3);
}

.skill-pill {
  padding: var(--s2) var(--s4);
  background: rgba(255,255,255,0.045);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--r-full);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text);
  transition: all var(--t-base);
  cursor: default;
  transition: transform var(--t-base), background var(--t-base),
              border-color var(--t-base), color var(--t-base);
}
.skill-pill:hover {
  background: rgba(124,110,247,0.12);
  border-color: rgba(124,110,247,0.32);
  color: var(--accent);
  transform: translateY(-2px);
}
.skill-pill--learning {
  color: var(--amber);
  background: rgba(245,158,11,0.07);
  border-color: rgba(245,158,11,0.2);
}
.skill-pill--learning:hover {
  background: rgba(245,158,11,0.14);
  border-color: rgba(245,158,11,0.4);
  color: var(--amber);
}

.skills__note {
  display: flex;
  align-items: center;
  gap: var(--s2);
  margin-top: var(--s5);
  font-size: 0.78rem;
  color: var(--muted);
  font-style: italic;
}

/* ═══════════════════════════════════════════════════════════
   PROJECTS
   ═══════════════════════════════════════════════════════════ */

.projects__list {
  display: flex;
  flex-direction: column;
  gap: var(--s8);
  margin-bottom: var(--s12);
}

.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: transform var(--t-slow), border-color var(--t-base), box-shadow var(--t-slow);
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124,110,247,0.3);
  box-shadow: var(--sh-acc-h);
}

/* Project number watermark */
.project-num {
  position: absolute;
  top: var(--s3);
  left: var(--s4);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.05em;
  z-index: 1;
}

/* ── PROJECT PREVIEW IMAGE ── */
.project-preview-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  object-position: top;
  display: block;
}



/* Project badge */
.project-badge {
  position: absolute;
  top: var(--s3);
  right: var(--s3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--r-full);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  backdrop-filter: blur(8px);
  z-index: 1;
}
.project-badge--live   { background:rgba(34,197,94,0.14); border:1px solid rgba(34,197,94,0.28); color:#22c55e; }
.project-badge--github { background:rgba(124,110,247,0.14); border:1px solid rgba(124,110,247,0.28); color:var(--accent); }

/* Card body */
.project-card__preview { position: relative; overflow: hidden; }
.project-card__body    { padding: var(--s6); }

.project-label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: var(--s3);
}
.project-card__title {
  font-family: var(--head);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--s3);
  letter-spacing: -0.015em;
  line-height: 1.25;
}
.project-card__desc {
  font-size: 0.87rem;
  color: var(--muted);
  line-height: 1.72;
  margin-bottom: var(--s5);
}
.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  margin-bottom: var(--s6);
}
.tech-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 3px 9px;
  border-radius: var(--r-full);
  background: rgba(124,110,247,0.08);
  border: 1px solid rgba(124,110,247,0.16);
  color: var(--accent);
  font-weight: 500;
}
.project-card__actions {
  display: flex;
  gap: var(--s3);
  flex-wrap: wrap;
}

/* ── Featured card ── larger, distinguished layout on tablet+ */
.project-card--featured {
  border-color: rgba(124,110,247,0.16);
}
.project-card--featured:hover {
  border-color: rgba(124,110,247,0.4);
  box-shadow: 0 28px 90px rgba(124,110,247,0.22);
}

.projects__cta {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s4);
}
.projects__cta p { color: var(--muted); font-size: 0.92rem; }

/* ═══════════════════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════════════════ */

.contact { background: linear-gradient(180deg, var(--bg), var(--surface) 50%, var(--bg)); }

.contact__content {
  max-width: 600px;
  margin-inline: auto;
  text-align: center;
}

.contact__cta {
  font-size: 1rem;
  padding: 0.75rem 2rem;
  margin-block: var(--s6) var(--s10);
}

.contact-items { text-align: left; }

.contact__text {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: var(--s6);
  font-size: 0.93rem;
}
.contact__response {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  font-size: 0.78rem;
  color: var(--muted);
  padding: 5px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  margin-bottom: var(--s6);
}

.contact-items { display: flex; flex-direction: column; gap: var(--s3); }
.contact-item {
  display: flex;
  align-items: center;
  gap: var(--s4);
  padding: var(--s4);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: transform var(--t-base), border-color var(--t-base), background var(--t-base);
}
.contact-item:hover {
  border-color: var(--border-h);
  background: var(--card-h);
  transform: translateX(5px);
}
.contact-item__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: var(--r-md);
  background: rgba(124,110,247,0.1);
  color: var(--accent);
  flex-shrink: 0;
}
.contact-item__label  { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 2px; }
.contact-item__value  { font-size: 0.84rem; font-weight: 500; color: var(--text); }


/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */

.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding-block: var(--s10) var(--s8);
}
.footer__top {
  display: flex;
  flex-direction: column;
  gap: var(--s6);
  margin-bottom: var(--s8);
}
.footer__logo {
  font-family: var(--head);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--s2);
  display: inline-block;
}
.footer__logo span { color: var(--accent); }
.footer__tagline { font-size: 0.83rem; color: var(--muted); }
.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s4) var(--s6);
}
.footer__nav a { font-size: 0.83rem; color: var(--muted); transition: color var(--t-fast); }
.footer__nav a:hover { color: var(--accent); }
.footer__socials { display: flex; gap: var(--s3); }
.footer__divider { border: none; border-top: 1px solid var(--border); margin-bottom: var(--s6); }
.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--s2);
}
.footer__bottom p, .footer__credit { font-size: 0.8rem; color: var(--muted); }

/* ═══════════════════════════════════════════════════════════
   SCROLL REVEAL
   ═══════════════════════════════════════════════════════════ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════════
   BACK TO TOP
   ═══════════════════════════════════════════════════════════ */

.back-to-top {
  position: fixed;
  bottom: var(--s8);
  right: var(--s6);
  z-index: 900;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border-h);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  cursor: pointer;
  transition: opacity var(--t-base), transform var(--t-base),
              background var(--t-base), border-color var(--t-base),
              color var(--t-base), box-shadow var(--t-base);
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover {
  background: var(--grad);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--sh-acc);
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — TABLET ≥ 640px
   ═══════════════════════════════════════════════════════════ */

@media (min-width: 640px) {
  .about__grid        { grid-template-columns: 300px 1fr; }
  .about__visual      { position: sticky; top: calc(var(--nav-h) + var(--s6)); }
  .skills__container  { grid-template-columns: 1fr 1px 1fr; }
  .skills__sep        { width: 1px; height: auto; background: var(--border); }
  .footer__top        { flex-direction: row; justify-content: space-between; align-items: flex-start; }
  .footer__bottom     { flex-direction: row; justify-content: space-between; }
  .nav__cta           { display: inline-flex; }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — DESKTOP ≥ 1024px
   ═══════════════════════════════════════════════════════════ */

@media (min-width: 1024px) {
  .nav__toggle { display: none; }

  .hero__container {
    grid-template-columns: 1fr 390px;
    gap: var(--s20);
    padding-bottom: var(--s32);
  }
  .hero__visual { display: flex; justify-content: flex-end; }

  .about__grid { grid-template-columns: 340px 1fr; gap: var(--s16); }

  .project-card--featured {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
  }
  .project-card--featured .project-card__preview {
    border-radius: var(--r-xl) 0 0 var(--r-xl);
  }
  .project-card--featured .project-preview-img {
    height: 100%;
    min-height: 320px;
  }
  .project-card--featured .project-card__body {
    padding: var(--s8);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}

/* ═══════════════════════════════════════════════════════════
   MOBILE MENU OVERLAY  < 640px
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 639px) {
  .nav__toggle { display: flex; }
  .nav__cta    { display: none; }

  .nav__menu {
    position: fixed;
    inset: 0;
    top: var(--nav-h);
    background: #070709;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--s8);
    transform: translateX(100%);
    visibility: hidden;
    will-change: transform;
    /* delay visibility on close so it stays visible while sliding out */
    transition: transform 220ms ease, visibility 0s linear 220ms;
    z-index: 1100;
  }
  .nav__menu.open {
    transform: translateX(0);
    visibility: visible;
    /* show instantly on open, then slide in */
    transition: transform 220ms ease, visibility 0s linear 0s;
  }
  .nav__toggle {
    position: relative;
    z-index: 1101;
  }
  .nav__link {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text);
  }
}

/* ═══════════════════════════════════════════════════════════
   ACCESSIBILITY — REDUCED MOTION
   ═══════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .orb { animation: none; }
}

/* Focus ring */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* ═══════════════════════════════════════════════════════════
   NAV ACTIONS GROUP (theme toggle + hamburger)
   ═══════════════════════════════════════════════════════════ */

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--s2);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════
   LIGHT MODE — variable overrides
   ═══════════════════════════════════════════════════════════ */

[data-theme="light"] {
  --bg:       #f3f3f9;
  --surface:  #e8e8f2;
  --card:     #ffffff;
  --card-h:   #f2f2fb;
  --border:   rgba(0,0,0,0.09);
  --border-h: rgba(100,84,240,0.50);
  --text:     #14142a;
  --muted:    #515175;
  --subtle:   #a8a8c4;
  --sh-sm:    0 2px 8px rgba(70,70,140,0.11);
  --sh-md:    0 8px 32px rgba(70,70,140,0.14);
  --sh-lg:    0 24px 80px rgba(70,70,140,0.18);
  --sh-acc:   0 6px 28px rgba(100,84,240,0.24);
  --sh-acc-h: 0 18px 60px rgba(100,84,240,0.32);
}

/* hero dot grid — more visible on light bg */
[data-theme="light"] .hero__grid {
  background-image: radial-gradient(rgba(100,84,240,0.18) 1px, transparent 1px);
}

/* orbs — keep them vibrant on light bg */
[data-theme="light"] .orb { opacity: 0.35; }

/* nav glass */
[data-theme="light"] .nav.scrolled {
  background: rgba(243,243,249,0.92);
  border-color: rgba(0,0,0,0.08);
}

/* code card stays dark (it's a terminal mockup) */
[data-theme="light"] .code-card { background: #1e1e2e; }

/* skill pills */
[data-theme="light"] .skill-pill {
  background: rgba(0,0,0,0.045);
  border-color: rgba(0,0,0,0.10);
  color: var(--text);
}
[data-theme="light"] .skill-pill:hover {
  background: rgba(100,84,240,0.11);
  border-color: rgba(100,84,240,0.32);
  color: var(--accent);
}
[data-theme="light"] .skill-pill--learning {
  background: rgba(245,158,11,0.09);
  border-color: rgba(245,158,11,0.25);
  color: #b86e00;
}
[data-theme="light"] .skill-pill--learning:hover {
  background: rgba(245,158,11,0.16);
  border-color: rgba(245,158,11,0.45);
  color: #b86e00;
}

/* ghost button */
[data-theme="light"] .btn--ghost {
  border-color: rgba(100,84,240,0.40);
  color: var(--text);
}
[data-theme="light"] .btn--ghost:hover {
  background: rgba(100,84,240,0.10);
  border-color: var(--accent);
  color: var(--accent);
}

/* social buttons */
[data-theme="light"] .social-btn {
  background: var(--card);
  border-color: var(--border);
}
[data-theme="light"] .social-btn:hover {
  background: rgba(100,84,240,0.10);
  border-color: rgba(100,84,240,0.40);
  box-shadow: 0 4px 20px rgba(100,84,240,0.18);
}

/* currently-learning box */
[data-theme="light"] .about__currently-box {
  background: rgba(100,84,240,0.07);
  border-color: rgba(100,84,240,0.20);
}

/* contact response chip */
[data-theme="light"] .contact__response {
  background: rgba(0,0,0,0.04);
  border-color: var(--border);
}

/* contact item hover */
[data-theme="light"] .contact-item:hover {
  border-color: rgba(100,84,240,0.40);
  background: rgba(100,84,240,0.04);
}

/* project num text */
[data-theme="light"] .project-num { color: rgba(0,0,0,0.18); }

/* project card hover glow on light bg */
[data-theme="light"] .project-card:hover {
  box-shadow: 0 16px 56px rgba(100,84,240,0.18);
}

/* tech tags */
[data-theme="light"] .tech-tag {
  background: rgba(100,84,240,0.08);
  border-color: rgba(100,84,240,0.18);
}

/* theme toggle on light bg */
[data-theme="light"] .theme-toggle {
  border-color: rgba(0,0,0,0.12);
  color: var(--muted);
}
[data-theme="light"] .theme-toggle:hover {
  background: rgba(100,84,240,0.10);
  border-color: rgba(100,84,240,0.40);
  color: var(--accent);
}

/* mobile menu */
@media (max-width: 639px) {
  [data-theme="light"] .nav__menu { background: #f3f3f9; }
}

/* ═══════════════════════════════════════════════════════════
   THEME TRANSITION — smooth colour switch
   ═══════════════════════════════════════════════════════════ */

html.theme-transitioning,
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
  transition: background-color 260ms ease, color 260ms ease,
              border-color 260ms ease, box-shadow 260ms ease !important;
}

/* ═══════════════════════════════════════════════════════════
   THEME TOGGLE BUTTON
   ═══════════════════════════════════════════════════════════ */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--t-base), border-color var(--t-base),
              color var(--t-base), transform var(--t-fast);
}
.theme-toggle:hover {
  background: var(--card);
  border-color: var(--border-h);
  color: var(--accent);
  transform: rotate(15deg);
}

/* show moon in dark mode, sun in light mode */
.theme-toggle__icon--sun  { display: none; }
.theme-toggle__icon--moon { display: block; }

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

/* ═══════════════════════════════════════════════════════════
   ABOUT — WORK CARD
   ═══════════════════════════════════════════════════════════ */

.about__work-card {
  display: flex;
  align-items: center;
  gap: var(--s4);
  padding: var(--s4) var(--s5);
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-md);
  margin-block: var(--s6);
  flex-wrap: wrap;
}
.about__work-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  background: rgba(124,110,247,0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.about__work-info { flex: 1; min-width: 0; }
.about__work-title {
  font-family: var(--head);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.about__work-org {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 2px;
  line-height: 1.4;
}
.about__work-badge {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(0,201,167,0.1);
  border: 1px solid rgba(0,201,167,0.25);
  padding: 2px 8px;
  border-radius: var(--r-full);
  white-space: nowrap;
  flex-shrink: 0;
}