/* ============================================================
   BASE & RESET
   ============================================================ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
:root {
  --bg:           #080b12;
  --bg2:          #0d1117;
  --bg3:          #111827;
  --card:         rgba(255,255,255,0.03);
  --card-hover:   rgba(255,255,255,0.06);
  --border:       rgba(255,255,255,0.07);
  --border-hover: rgba(124,109,250,0.4);

  --purple:       #7c6dfa;
  --purple-dim:   rgba(124,109,250,0.13);
  --cyan:         #22d3ee;
  --cyan-dim:     rgba(34,211,238,0.11);

  --text:         #f1f5f9;
  --muted:        #94a3b8;
  --faint:        #475569;

  --r:   12px;
  --rlg: 20px;
  --rsm: 8px;

  --shadow:      0 4px 24px rgba(0,0,0,0.5);
  --glow:        0 0 50px rgba(124,109,250,0.18);
  --t:           0.25s ease;
  --ts:          0.5s ease;

  --max: 1140px;
}
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img  { max-width: 100%; height: auto; display: block; }
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }
h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.gradient-text {
  background: linear-gradient(135deg, var(--purple) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.accent { color: var(--purple); }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 2rem);
}
.section { padding: clamp(4rem, 10vw, 7rem) 0; }

.section__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 0.6rem;
}
.section__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  color: var(--text);
}
.section__sub {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 1rem;
}
.section__header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

/* ============================================================
   CARD
   ============================================================ */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: clamp(1.25rem, 3vw, 2rem);
  transition: background var(--t), border-color var(--t), transform var(--t), box-shadow var(--t);
}
.card:hover {
  background: var(--card-hover);
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--glow);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.72rem 1.4rem;
  border-radius: var(--rsm);
  font-weight: 500;
  font-size: 0.88rem;
  cursor: pointer;
  border: none;
  transition: all var(--t);
  white-space: nowrap;
  font-family: inherit;
}
.btn--primary {
  background: linear-gradient(135deg, var(--purple), #5b52f0);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124,109,250,0.32);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124,109,250,0.5);
}
.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn--ghost:hover {
  border-color: var(--purple);
  color: var(--purple);
  background: var(--purple-dim);
}
.btn--sm  { padding: 0.5rem 0.9rem; font-size: 0.8rem; }
.btn--lg  { padding: 1rem 2rem; font-size: 0.95rem; }

/* ============================================================
   TAGS
   ============================================================ */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.7rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--muted);
  transition: all var(--t);
}
.tag:hover { border-color: var(--border-hover); color: var(--text); }
.tag--primary {
  background: var(--purple-dim);
  border-color: rgba(124,109,250,0.28);
  color: #a99eff;
}
.tag--secondary {
  background: var(--cyan-dim);
  border-color: rgba(34,211,238,0.28);
  color: #67e8f9;
}
.tag--sm { padding: 0.18rem 0.55rem; font-size: 0.7rem; }

.skill-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 0.7rem; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.1rem 0;
  transition: all 0.4s ease;
}
.nav.scrolled {
  background: rgba(8,11,18,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 0;
}
.nav__container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 2rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}
.nav__links a {
  padding: 0.42rem 0.82rem;
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--muted);
  transition: all var(--t);
}
.nav__links a:hover,
.nav__links a.active {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}
.nav__cta {
  background: var(--purple-dim) !important;
  color: var(--purple) !important;
  border: 1px solid rgba(124,109,250,0.28);
}
.nav__cta:hover { background: rgba(124,109,250,0.2) !important; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 101;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 6rem 0 5rem;
}
.hero__bg { position: absolute; inset: 0; overflow: hidden; }

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
}
.blob--1 {
  width: 650px; height: 650px;
  background: radial-gradient(circle, rgba(124,109,250,0.38) 0%, transparent 70%);
  top: -220px; right: -120px;
  animation: blob1 11s ease-in-out infinite;
}
.blob--2 {
  width: 550px; height: 550px;
  background: radial-gradient(circle, rgba(34,211,238,0.22) 0%, transparent 70%);
  bottom: -120px; left: -160px;
  animation: blob2 14s ease-in-out infinite;
}
.blob--3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(245,158,11,0.1) 0%, transparent 70%);
  top: 45%; left: 42%;
  animation: blob3 9s ease-in-out infinite;
}
@keyframes blob1 {
  0%,100% { transform: translate(0,0) scale(1); }
  33%      { transform: translate(-55px,45px) scale(1.06); }
  66%      { transform: translate(40px,-30px) scale(0.94); }
}
@keyframes blob2 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(80px,-55px) scale(1.1); }
}
@keyframes blob3 {
  0%,100% { transform: translate(0,0); }
  50%      { transform: translate(-40px,40px); }
}

.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 75%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 2rem);
}
.hero__greeting {
  font-size: 1rem;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 0.4rem;
}
.hero__name {
  font-size: clamp(3.5rem, 11vw, 7.5rem);
  font-weight: 700;
  line-height: 0.93;
  letter-spacing: -0.04em;
  margin-bottom: 1.25rem;
}
.hero__role {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--muted);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.hero__role-sep { color: var(--border); }
.hero__typed { color: var(--cyan); min-width: 220px; }
.hero__typed::after {
  content: '|';
  animation: blink 0.8s step-end infinite;
  color: var(--cyan);
}
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0; } }

.hero__tagline {
  max-width: 560px;
  font-size: clamp(0.92rem, 2vw, 1.03rem);
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 2rem;
}
.hero__actions {
  display: flex;
  gap: 0.9rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}
.hero__stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; }
.stat__row { display: flex; align-items: baseline; gap: 0.1rem; }
.stat__num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}
.stat__unit { color: var(--purple); font-size: 1.4rem; font-family: 'Space Grotesk', sans-serif; font-weight: 700; }
.stat__label { font-size: 0.76rem; color: var(--faint); margin-top: 0.2rem; }
.stat__divider { width: 1px; height: 38px; background: var(--border); }

.hero__scroll {
  position: absolute;
  bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  animation: fadeUp 1s ease 1.8s both;
}
.scroll-line {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, var(--faint), transparent);
  animation: scrollPulse 2.2s ease infinite;
}
@keyframes scrollPulse {
  0%   { transform: scaleY(0); transform-origin: top; }
  45%  { transform: scaleY(1); transform-origin: top; }
  55%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
@keyframes fadeUp { from { opacity:0; transform: translateX(-50%) translateY(10px); } to { opacity:1; transform: translateX(-50%) translateY(0); } }

/* ============================================================
   ABOUT
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.about__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  position: sticky;
  top: 6rem;
}
.about__avatar {
  position: relative;
  width: 180px; height: 180px;
}
.avatar__face {
  width: 100%; height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple-dim), var(--cyan-dim));
  border: 1px solid rgba(124,109,250,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--purple);
  letter-spacing: -0.05em;
}
.avatar__ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: linear-gradient(135deg, var(--purple), var(--cyan)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  animation: spinRing 10s linear infinite;
}
@keyframes spinRing { to { transform: rotate(360deg); } }

.avatar__badge {
  position: absolute;
  bottom: 2px; right: -12px;
  background: var(--bg3);
  border: 1px solid rgba(74,222,128,0.35);
  border-radius: 20px;
  padding: 0.28rem 0.7rem;
  font-size: 0.72rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: #4ade80;
}
.badge__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #4ade80;
  animation: dotPulse 2s ease infinite;
}
@keyframes dotPulse { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:0.5; transform:scale(1.4); } }

.about__location {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--faint);
}

.about__content .section__label { margin-bottom: 0.4rem; }
.about__content .section__title {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin-bottom: 1.2rem;
  text-align: left;
}
.about__text {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  color: var(--muted);
  line-height: 1.78;
  margin-bottom: 1.6rem;
  font-size: 0.95rem;
}
.about__qualities {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.6rem;
}
.quality {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 0.85rem 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--rsm);
  transition: border-color var(--t), background var(--t);
}
.quality:hover { border-color: var(--border-hover); background: var(--card-hover); }
.quality__icon { font-size: 1.1rem; flex-shrink: 0; }
.quality div   { display: flex; flex-direction: column; gap: 0.12rem; }
.quality strong { font-size: 0.87rem; color: var(--text); font-weight: 500; }
.quality span   { font-size: 0.77rem; color: var(--faint); font-family: 'JetBrains Mono', monospace; }
.about__cta { display: flex; gap: 0.7rem; flex-wrap: wrap; }

/* ============================================================
   SKILLS
   ============================================================ */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.1rem;
}
.skill-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.4rem;
  transition: all var(--t);
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--cyan));
  transform: scaleX(0);
  transition: transform var(--t);
}
.skill-card:hover::before  { transform: scaleX(1); }
.skill-card:hover {
  border-color: var(--border-hover);
  background: var(--card-hover);
  transform: translateY(-4px);
  box-shadow: var(--glow);
}
.skill-card__icon {
  width: 38px; height: 38px;
  border-radius: 9px;
  background: var(--purple-dim);
  border: 1px solid rgba(124,109,250,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--purple);
  margin-bottom: 0.9rem;
}
.skill-card__title { font-size: 0.88rem; font-weight: 600; color: var(--text); }

/* ============================================================
   TIMELINE
   ============================================================ */
.timeline {
  position: relative;
  padding-left: 2.2rem;
  max-width: 820px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 10px; bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, var(--purple), rgba(124,109,250,0.2), transparent);
}
.timeline__item { position: relative; margin-bottom: 1.75rem; }
.timeline__item:last-child { margin-bottom: 0; }
.timeline__dot {
  position: absolute;
  left: -1.9rem; top: 1.5rem;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg2);
  border: 2px solid var(--border);
}
.timeline__dot--active {
  border-color: var(--purple);
  background: var(--purple-dim);
  box-shadow: 0 0 14px rgba(124,109,250,0.55);
}
.timeline__meta {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.45rem;
  flex-wrap: wrap;
}
.timeline__date { font-family: 'JetBrains Mono', monospace; font-size: 0.76rem; color: var(--faint); }
.timeline__badge {
  font-size: 0.68rem;
  padding: 0.12rem 0.55rem;
  border-radius: 20px;
  background: var(--purple-dim);
  color: #a99eff;
  border: 1px solid rgba(124,109,250,0.22);
}
.timeline__badge--muted { background: rgba(255,255,255,0.05); color: var(--muted); border-color: var(--border); }
.timeline__badge--edu  { background: var(--cyan-dim); color: #67e8f9; border-color: rgba(34,211,238,0.22); }
.timeline__role   { font-size: 1.1rem; color: var(--text); margin-bottom: 0.22rem; }
.timeline__company { font-size: 0.83rem; color: var(--purple); margin-bottom: 0.7rem; font-weight: 500; }
.timeline__list {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.9rem;
  padding-left: 0.9rem;
}
.timeline__list li {
  font-size: 0.86rem;
  color: var(--muted);
  position: relative;
}
.timeline__list li::before {
  content: '→';
  position: absolute;
  left: -0.9rem;
  color: var(--purple);
  font-size: 0.78rem;
}
.timeline__tags { display: flex; flex-wrap: wrap; gap: 0.38rem; }

/* ============================================================
   PROJECTS — FEATURED
   ============================================================ */
.project-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--rlg);
  padding: clamp(1.75rem, 4vw, 2.75rem);
  margin-bottom: clamp(2rem, 5vw, 2.75rem);
  position: relative;
  overflow: hidden;
  transition: border-color var(--t);
}
.project-featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--purple), var(--cyan), transparent);
}
.project-featured:hover { border-color: rgba(124,109,250,0.25); }

.project-featured__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 0.7rem;
}
.project-featured__title { font-size: clamp(1.35rem, 3vw, 1.9rem); margin-bottom: 0.9rem; }
.project-featured__desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.72;
  margin-bottom: 1.2rem;
}
.project-featured__features {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1.4rem;
}
.feat { display: flex; align-items: flex-start; gap: 0.7rem; font-size: 0.84rem; color: var(--muted); }
.feat__dot { width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); margin-top: 0.45rem; flex-shrink: 0; }
.project-featured__stack { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 1.4rem; }
.project-featured__actions { display: flex; gap: 0.7rem; flex-wrap: wrap; }

.project-featured__visual { display: flex; justify-content: center; align-items: center; }
.screenshot-stack { position: relative; width: 100%; max-width: 440px; }
.screenshot {
  border-radius: var(--r);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform var(--ts), box-shadow var(--ts), opacity var(--ts);
}
.screenshot img { width: 100%; object-fit: cover; }
.screenshot--back  { transform: rotate(-3.5deg) translateY(12px); opacity: 0.65; }
.screenshot--front {
  position: absolute;
  top: 0; left: 7%;
  width: 93%; z-index: 1;
  transform: rotate(1.2deg);
}
.screenshot-stack:hover .screenshot--back  { transform: rotate(-5deg) translateY(18px); opacity: 0.8; }
.screenshot-stack:hover .screenshot--front { transform: rotate(0deg) translateY(-6px); box-shadow: 0 24px 60px rgba(0,0,0,0.55); }

/* ============================================================
   PROJECTS — GRID
   ============================================================ */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.1rem;
}
.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.4rem;
  transition: all var(--t);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.project-card:hover {
  border-color: var(--border-hover);
  background: var(--card-hover);
  transform: translateY(-4px);
  box-shadow: var(--glow);
}
.project-card__header { display: flex; align-items: center; justify-content: space-between; }
.project-card__icon {
  width: 42px; height: 42px;
  border-radius: 9px;
  background: var(--purple-dim);
  border: 1px solid rgba(124,109,250,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--purple);
}
.project-card__type {
  font-size: 0.7rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.project-card__title { font-size: 0.97rem; color: var(--text); line-height: 1.3; }
.project-card__desc  { font-size: 0.83rem; color: var(--muted); line-height: 1.65; flex: 1; }
.project-card__stack { display: flex; flex-wrap: wrap; gap: 0.38rem; }

/* ============================================================
   CERTIFICATIONS
   ============================================================ */
.certs__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.1rem;
  max-width: 720px;
  margin: 0 auto;
}
.cert-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all var(--t);
  position: relative;
  overflow: hidden;
}
.cert-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, #0078d4, #50e6ff);
  transform: scaleX(0);
  transition: transform var(--t);
}
.cert-card:hover::before { transform: scaleX(1); }
.cert-card:hover {
  border-color: rgba(0,120,212,0.35);
  background: var(--card-hover);
  transform: translateY(-4px);
  box-shadow: 0 0 40px rgba(0,120,212,0.15);
}
.cert-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cert-card__icon {
  width: 42px; height: 42px;
  border-radius: 9px;
  background: rgba(0,120,212,0.12);
  border: 1px solid rgba(0,120,212,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #50b3ff;
}
.cert-card__verified {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.7rem;
  font-family: 'JetBrains Mono', monospace;
  color: #4ade80;
  background: rgba(74,222,128,0.08);
  border: 1px solid rgba(74,222,128,0.22);
  border-radius: 20px;
  padding: 0.22rem 0.6rem;
}
.cert-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.cert-card__issuer {
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  color: #50b3ff;
  letter-spacing: 0.05em;
}
.cert-card__name {
  font-size: 1.05rem;
  color: var(--text);
  font-weight: 600;
  line-height: 1.25;
}
.cert-card__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-size: 0.72rem;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  background: rgba(0,120,212,0.12);
  border: 1px solid rgba(0,120,212,0.28);
  color: #50b3ff;
  width: fit-content;
}
.cert-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}
.cert-card__meta {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
}
.cert-card__date {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.76rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--faint);
}
.cert-card__id {
  font-size: 0.68rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--faint);
  letter-spacing: 0.03em;
}
.cert-card__link {
  flex-shrink: 0;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: linear-gradient(to bottom, var(--bg), var(--bg2)); }
.contact__inner { text-align: center; max-width: 580px; margin: 0 auto; }
.contact__inner .section__label { margin-bottom: 0.7rem; }
.contact__title { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 0.9rem; }
.contact__sub   { color: var(--muted); font-size: 0.97rem; line-height: 1.72; margin-bottom: 2rem; }
.contact__links { display: flex; justify-content: center; gap: 1.5rem; margin-top: 1.75rem; flex-wrap: wrap; }
.contact__link {
  display: flex; align-items: center; gap: 0.45rem;
  font-size: 0.86rem; color: var(--muted);
  transition: color var(--t), border-bottom-color var(--t);
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
}
.contact__link:hover { color: var(--purple); border-bottom-color: var(--purple); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { padding: 1.4rem 0; border-top: 1px solid var(--border); }
.footer__text { text-align: center; font-size: 0.78rem; color: var(--faint); }

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.skills__grid  .reveal:nth-child(2) { transition-delay: 0.08s; }
.skills__grid  .reveal:nth-child(3) { transition-delay: 0.16s; }
.skills__grid  .reveal:nth-child(4) { transition-delay: 0.24s; }
.skills__grid  .reveal:nth-child(5) { transition-delay: 0.32s; }
.skills__grid  .reveal:nth-child(6) { transition-delay: 0.40s; }
.projects__grid .reveal:nth-child(2) { transition-delay: 0.12s; }
.timeline .reveal:nth-child(2) { transition-delay: 0.1s; }
.timeline .reveal:nth-child(3) { transition-delay: 0.2s; }

/* ============================================================
   AVATAR PHOTO SUPPORT
   ============================================================ */
.avatar__face {
  position: relative !important;
  overflow: hidden;
}
.avatar__img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.avatar__initials {
  position: absolute;
  inset: 0;
  display: none; /* fallback: shown via JS onerror */
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--purple);
  letter-spacing: -0.05em;
}

/* ============================================================
   LANGUAGE TOGGLE
   ============================================================ */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.38rem 0.72rem;
  border-radius: 6px;
  background: var(--card);
  border: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.76rem;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--t);
  white-space: nowrap;
}
.lang-toggle:hover {
  border-color: var(--purple);
  color: var(--purple);
  background: var(--purple-dim);
}

/* ============================================================
   PROJECT FEATURED — REVERSED LAYOUT
   ============================================================ */
.project-featured--rev .project-featured__visual { order: -1; }
@media (max-width: 900px) {
  .project-featured--rev .project-featured__visual { order: -1; }
}

/* ============================================================
   AVIS BROWSER MOCKUP
   ============================================================ */
.avis-mockup { width: 100%; display: flex; justify-content: center; }
.mock-browser {
  width: 100%;
  max-width: 440px;
  border-radius: var(--r);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: #0f1420;
  font-size: 0.78rem;
}
.mock-browser__bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.9rem;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--border);
}
.mock-dots { display: flex; gap: 5px; }
.mock-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.mock-dots span:nth-child(1) { background: #ff5f57; }
.mock-dots span:nth-child(2) { background: #ffbd2e; }
.mock-dots span:nth-child(3) { background: #28c840; }
.mock-url {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border-radius: 4px;
  padding: 0.22rem 0.6rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--faint);
  text-align: center;
}
.mock-browser__body { display: flex; min-height: 200px; }
.mock-sidebar {
  width: 110px;
  flex-shrink: 0;
  background: rgba(200,16,46,0.08);
  border-right: 1px solid rgba(200,16,46,0.15);
  padding: 0.75rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.mock-logo { padding: 0.3rem 0.4rem 0.7rem; }
.mock-nav-item {
  padding: 0.35rem 0.5rem;
  border-radius: 5px;
  font-size: 0.7rem;
  color: var(--faint);
  cursor: default;
}
.mock-active {
  background: rgba(200,16,46,0.18);
  color: #e84040;
  font-weight: 500;
}
.mock-main { flex: 1; padding: 0.75rem; }
.mock-stats { display: flex; gap: 0.5rem; margin-bottom: 0.75rem; }
.mock-stat { flex: 1; text-align: center; padding: 0.4rem; background: var(--card); border-radius: 5px; border: 1px solid var(--border); }
.mock-stat__num { font-family: 'Space Grotesk', sans-serif; font-size: 1.1rem; font-weight: 700; }
.mock-stat__lbl { font-size: 0.6rem; color: var(--faint); margin-top: 0.1rem; }
.mock-rows { display: flex; flex-direction: column; gap: 0.35rem; }
.mock-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.32rem 0.5rem;
  background: var(--card);
  border-radius: 4px;
  border: 1px solid var(--border);
  font-size: 0.7rem;
  color: var(--muted);
}
.mock-urgent { color: #f87171; font-weight: 500; }
.mock-award  { font-size: 0.85rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .about__grid {
    grid-template-columns: 1fr;
  }
  .about__visual {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    position: static;
  }
  .about__avatar { width: 110px; height: 110px; }
  .avatar__face  { font-size: 1.6rem; }

  .project-featured {
    grid-template-columns: 1fr;
  }
  .project-featured__visual { order: -1; }
  .screenshot-stack { max-width: 100%; }
}

@media (max-width: 680px) {
  .nav__links {
    position: fixed;
    inset: 0;
    background: rgba(8,11,18,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 99;
  }
  .nav__links.open { opacity: 1; pointer-events: all; }
  .nav__links a { font-size: 1.4rem; padding: 0.8rem 1.75rem; }
  .nav__toggle { display: flex; }
  .hero__stats { gap: 1.2rem; }
  .stat__num   { font-size: 1.75rem; }
}

@media (max-width: 480px) {
  .hero__role { flex-direction: column; align-items: flex-start; gap: 0.2rem; }
  .hero__role-sep { display: none; }
  .hero__typed::after { display: none; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { text-align: center; justify-content: center; }
  .screenshot--front { position: relative; left: 0; width: 100%; transform: none; }
  .screenshot--back  { display: none; }
}