:root {
  --bg: #05080f;
  --bg2: #0a101c;
  --card: #0f1623;
  --card2: #141c2b;
  --cyan: #22d3ee;
  --cyan2: #06b6d4;
  --teal: #2dd4bf;
  --text: #f1f5f9;
  --text2: #94a3b8;
  --muted: #64748b;
  --border: rgba(34, 211, 238, 0.12);
  --font: 'Inter', system-ui, sans-serif;
  --display: 'Space Grotesk', var(--font);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; }

/* REVEAL ANIMATIONS — from sides + fade */
.reveal, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal { transform: translateY(40px); }
.reveal-left { transform: translateX(-50px); }
.reveal-right { transform: translateX(50px); }
.reveal.visible, .reveal-left.visible, .reveal-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}
.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }
.delay-3 { transition-delay: 0.36s; }

/* Particles canvas */
#particles {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
}
body > *:not(#particles) { position: relative; z-index: 1; }
.nav { z-index: 100; }

/* Avatar — continuous float always on */
.avatar-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 18px;
  /* glow always on by default */
  filter: drop-shadow(0 14px 42px rgba(34, 211, 238, 0.42));
  animation: avatarBob 4.5s ease-in-out infinite;
  transform-origin: center bottom;
  transition: filter 0.4s ease;
}
@keyframes avatarBob {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-14px) scale(1.03); }
}
/* hover: different professional effect — slight tilt + brighter pulse */
.avatar-frame:hover .avatar-img {
  filter: drop-shadow(0 20px 56px rgba(34, 211, 238, 0.65));
  animation: avatarHover 2.8s ease-in-out infinite;
}
@keyframes avatarHover {
  0%, 100% { transform: translateY(0) scale(1.02) rotate(-1deg); }
  50% { transform: translateY(-10px) scale(1.05) rotate(1deg); }
}

/* Globe — continuous Earth rotation, cyber style */
.globe-img {
  width: min(340px, 85vw);
  height: min(340px, 85vw);
  object-fit: contain;
  animation: earthSpin 24s linear infinite;
  filter: drop-shadow(0 0 36px rgba(34, 211, 238, 0.4));
  transform-origin: center center;
}
/* no scale on hover — stays in layout next to contact */
.globe-side:hover .globe-img {
  filter: drop-shadow(0 0 40px rgba(34, 211, 238, 0.5));
}
@keyframes earthSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Hover lift on cards */
.card, .proj, .cert, .tech, .tl-card {
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.35s ease, border-color 0.3s ease, background 0.3s ease;
}
.card:hover, .proj:hover, .cert:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 40px rgba(34, 211, 238, 0.12);
}
.tech:hover { transform: translateY(-6px) scale(1.08); }
.tech:hover .tech-ico {
  transform: rotate(8deg);
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.45);
}
.btn-primary:hover { transform: translateY(-3px) scale(1.03); }
.btn-ghost:hover { transform: translateY(-2px); }

/* Soft pulse on logo dot */
.logo-dot { animation: pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 8px var(--cyan); }
  50% { box-shadow: 0 0 18px var(--cyan), 0 0 30px rgba(34,211,238,0.4); }
}

/* NAV */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1rem 0; transition: 0.3s;
}
.nav.scrolled {
  background: rgba(5, 8, 15, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1120px; margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  font-family: var(--display); font-weight: 700; font-size: 1.15rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.logo span { color: var(--cyan); }
.logo-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 12px var(--cyan);
}
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  font-size: 0.9rem; font-weight: 500; color: var(--muted); transition: 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 0.75rem; }
.lang {
  width: 42px; height: 34px; border-radius: 8px;
  border: 1.5px solid rgba(34, 211, 238, 0.4);
  background: transparent; color: var(--cyan);
  font-weight: 700; font-size: 0.8rem; cursor: pointer; transition: 0.2s;
}
.lang:hover { background: rgba(34, 211, 238, 0.1); }
.burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
}
.burger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

/* HERO */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; padding: 6rem 1.5rem 4rem;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 50% at 75% 40%, rgba(34, 211, 238, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 15% 70%, rgba(45, 212, 191, 0.06) 0%, transparent 50%),
    var(--bg);
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    radial-gradient(1.5px 1.5px at 15% 25%, rgba(255,255,255,0.4) 50%, transparent),
    radial-gradient(1px 1px at 85% 15%, rgba(34,211,238,0.6) 50%, transparent),
    radial-gradient(1.5px 1.5px at 45% 80%, rgba(255,255,255,0.3) 50%, transparent),
    radial-gradient(1px 1px at 70% 55%, rgba(45,212,191,0.5) 50%, transparent);
  opacity: 0.6;
}
.hero-grid {
  max-width: 1120px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 2rem;
  align-items: center; position: relative; z-index: 1;
}
.hero-content { position: relative; padding-left: 1.25rem; }
.hero-accent {
  position: absolute; left: 0; top: 0.2rem; bottom: 0.2rem; width: 3px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  border-radius: 2px;
}
.hero-hi {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700;
  margin-bottom: 0.25rem;
}
.hand { display: inline-block; animation: wave 1.6s ease-in-out infinite; transform-origin: 70% 70%; }
@keyframes wave {
  0%, 100% { transform: rotate(0); }
  20% { transform: rotate(18deg); }
  40% { transform: rotate(-8deg); }
  60% { transform: rotate(14deg); }
}
.hero-name {
  font-family: var(--display);
  font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 700;
  line-height: 1.1; margin-bottom: 1rem;
  background: linear-gradient(105deg, #67e8f9, #22d3ee, #2dd4bf);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-role { font-size: 1.1rem; color: var(--text2); font-weight: 500; margin-bottom: 0.4rem; }
.hero-tag { color: var(--muted); font-style: italic; margin-bottom: 1.75rem; }
.hero-cta { display: flex; gap: 0.9rem; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.85rem 1.6rem; border-radius: 10px;
  font-weight: 600; font-size: 0.95rem; cursor: pointer; transition: 0.25s; border: none;
}
.btn-primary {
  background: linear-gradient(135deg, #22d3ee, #06b6d4);
  color: #05080f; box-shadow: 0 4px 24px rgba(34, 211, 238, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(34, 211, 238, 0.4); }
.btn-ghost {
  background: transparent; border: 1.5px solid rgba(34, 211, 238, 0.35); color: var(--cyan);
}
.btn-ghost:hover { background: rgba(34, 211, 238, 0.08); border-color: var(--cyan); }

.hero-visual { display: flex; justify-content: center; align-items: center; }
.avatar-frame {
  position: relative;
  width: min(380px, 92vw);
  /* no fixed aspect crop — image defines height */
}
/* Soft ambient rings — no crop, just glow pulse behind */
.avatar-ring {
  position: absolute;
  inset: -18px;
  border-radius: 24px;
  border: 1.5px solid rgba(34, 211, 238, 0.22);
  pointer-events: none;
  animation: pulse 3.5s ease-in-out infinite;
  z-index: -1;
}
.ring-2 {
  inset: -32px;
  border-style: dashed;
  border-color: rgba(34, 211, 238, 0.12);
  animation-duration: 5s;
  animation-direction: reverse;
  border-radius: 28px;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.55; }
  50% { transform: scale(1.04); opacity: 1; }
}
.avatar-body { display: none; }
.avatar-svg { display: none; }

.scroll-hint {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
}
.scroll-hint span {
  display: block; width: 22px; height: 36px;
  border: 2px solid var(--muted); border-radius: 12px; position: relative;
}
.scroll-hint span::after {
  content: ''; position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
  width: 3px; height: 7px; background: var(--cyan); border-radius: 2px;
  animation: scroll 1.5s ease-in-out infinite;
}
@keyframes scroll {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.2; transform: translateX(-50%) translateY(10px); }
}

/* SECTIONS */
.section { padding: 5.5rem 0; }
.section-alt { background: var(--bg2); }
.label {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--cyan); margin-bottom: 0.6rem;
}
.title {
  font-family: var(--display);
  font-size: clamp(1.9rem, 4vw, 2.6rem); font-weight: 700; margin-bottom: 1.4rem;
}
.lead {
  max-width: 680px; color: var(--text2); font-size: 1.05rem;
  line-height: 1.75; margin-bottom: 2.5rem;
}

/* CARDS */
.cards {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem;
}
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.5rem 1rem; text-align: center; transition: 0.25s;
}
.card:hover {
  border-color: rgba(34, 211, 238, 0.35);
  transform: translateY(-4px);
  background: var(--card2);
}
.card-icon { font-size: 1.8rem; margin-bottom: 0.7rem; }
.card h3 { font-size: 0.92rem; font-weight: 600; }

/* TIMELINE */
.timeline {
  position: relative; max-width: 820px; margin: 2.5rem auto 0;
}
.timeline::before {
  content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  transform: translateX(-50%);
}
.tl-item {
  display: flex; align-items: flex-start; margin-bottom: 2.2rem; position: relative;
}
.tl-card {
  width: calc(50% - 28px); background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.25rem; transition: 0.25s;
}
.tl-card:hover { border-color: rgba(34, 211, 238, 0.35); }
.tl-card-r { margin-left: auto; }
.tl-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.25rem; }
.tl-org { color: var(--cyan); font-size: 0.88rem; margin-bottom: 0.4rem; }
.tl-card ul { list-style: disc; padding-left: 1.1rem; }
.tl-card li { color: var(--text2); font-size: 0.88rem; }
.tl-node {
  position: absolute; left: 50%; transform: translateX(-50%);
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--cyan); z-index: 2;
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.5);
}
.tl-date {
  width: calc(50% - 28px); font-size: 0.85rem; color: var(--muted);
  font-family: ui-monospace, monospace; padding-top: 0.25rem;
}
.tl-date:not(.tl-date-l) { margin-left: auto; padding-left: 1.4rem; }
.tl-date-l { text-align: right; padding-right: 1.4rem; }

/* TECH */
.tech-grid {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem 1.25rem;
}
.tech {
  display: flex; flex-direction: column; align-items: center; gap: 0.45rem;
  transition: 0.25s;
}
.tech:hover { transform: translateY(-3px); }
.tech-ico {
  width: 58px; height: 58px;
  background: #e2e8f0; color: #0f172a;
  clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.72rem; letter-spacing: -0.02em;
  transition: 0.25s;
}
.tech:hover .tech-ico {
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.35);
}
.tech > span:last-child {
  font-size: 0.7rem; color: var(--muted); letter-spacing: 0.03em;
}

/* PROJECTS */
.proj-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.proj {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden; transition: 0.3s;
}
.proj:hover {
  border-color: rgba(34, 211, 238, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
}
.proj-img {
  height: 160px; background: linear-gradient(145deg, #0a101c, #141c2b);
  display: flex; align-items: center; justify-content: center;
  position: relative; border-bottom: 1px solid var(--border);
}
.proj-badge {
  position: absolute; top: 12px; left: 12px;
  font-size: 0.72rem; font-family: ui-monospace, monospace;
  background: rgba(34, 211, 238, 0.15); color: var(--cyan);
  padding: 0.25rem 0.55rem; border-radius: 6px;
}
.proj-placeholder { width: 48px; height: 48px; color: var(--cyan); opacity: 0.5; }
.proj-placeholder svg { width: 100%; height: 100%; }
.proj-body { padding: 1.35rem; }
.proj-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
.proj-body p { color: var(--text2); font-size: 0.9rem; line-height: 1.55; margin-bottom: 0.9rem; }
.tags { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.tags span {
  font-size: 0.72rem; color: var(--cyan);
  background: rgba(34, 211, 238, 0.1); padding: 0.2rem 0.5rem; border-radius: 4px;
}

/* CERTS */
.cert-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.cert {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.35rem; transition: 0.25s;
}
.cert:hover { border-color: rgba(34, 211, 238, 0.35); }
.cert-year {
  display: inline-block; font-size: 0.72rem; font-family: ui-monospace, monospace;
  color: var(--cyan); background: rgba(34, 211, 238, 0.1);
  padding: 0.2rem 0.5rem; border-radius: 4px; margin-bottom: 0.6rem;
}
.cert h3 { font-size: 0.98rem; font-weight: 700; margin-bottom: 0.3rem; }
.cert-org { color: var(--cyan); font-size: 0.85rem; margin-bottom: 0.35rem; }
.cert p:last-child { color: var(--text2); font-size: 0.88rem; }

/* CONTACT */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem;
  align-items: start; margin-top: 1.5rem;
}
.form {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.7rem;
}
.form label {
  display: block; font-size: 0.85rem; color: var(--text2);
  margin-bottom: 0.35rem; margin-top: 0.9rem;
}
.form label:first-of-type { margin-top: 0; }
.form input, .form textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--border);
  border-radius: 10px; padding: 0.8rem 1rem; color: var(--text);
  font-size: 0.95rem; transition: 0.2s; font-family: inherit;
}
.form input:focus, .form textarea:focus {
  outline: none; border-color: var(--cyan);
}
.form textarea { min-height: 110px; resize: vertical; }
.form .btn { width: 100%; margin-top: 1.2rem; }

.globe-side { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; }
.earth {
  width: 240px; height: 240px; position: relative;
  display: flex; align-items: center; justify-content: center;
}
.earth-ball {
  width: 130px; height: 130px; border-radius: 50%; z-index: 2;
  background:
    radial-gradient(circle at 35% 30%, #1e3a5f, #0a1628 55%, #020617),
    radial-gradient(circle at 60% 70%, rgba(34, 197, 94, 0.35) 0%, transparent 30%);
  box-shadow: inset -12px -8px 28px rgba(0,0,0,0.5), 0 0 40px rgba(34, 211, 238, 0.2);
  position: relative;
}
.earth-ball::after {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
  background: linear-gradient(135deg, transparent 40%, rgba(34, 211, 238, 0.12));
}
.orbit {
  position: absolute; border-radius: 50%; border: 1.5px solid;
  animation: spin linear infinite;
}
.o1 { width: 165px; height: 165px; border-color: rgba(34, 211, 238, 0.35); animation-duration: 16s; }
.o2 { width: 200px; height: 200px; border-color: rgba(34, 211, 238, 0.18); border-style: dashed; animation-duration: 26s; animation-direction: reverse; }
.o3 { width: 235px; height: 235px; border-color: rgba(45, 212, 191, 0.12); animation-duration: 36s; }
@keyframes spin { to { transform: rotate(360deg); } }
.shield-icon {
  position: absolute; z-index: 3; font-size: 1.8rem;
  filter: drop-shadow(0 0 8px rgba(34, 211, 238, 0.6));
}
.contact-meta {
  text-align: left; color: var(--text2); font-size: 0.9rem; line-height: 1.7;
}
.contact-meta p { margin-bottom: 0.75rem; }
.contact-meta strong {
  color: var(--cyan); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border); padding: 2.2rem 0; text-align: center;
}
.footer p { color: var(--muted); font-size: 0.9rem; }
.footer strong { color: var(--cyan); display: block; margin: 0.3rem 0 1rem; }
.socials { display: flex; justify-content: center; gap: 0.9rem; margin-bottom: 1rem; }
.socials a {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; color: var(--muted); transition: 0.2s;
}
.socials a:hover { border-color: var(--cyan); color: var(--cyan); }
.copy { font-size: 0.8rem !important; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-content { padding-left: 0; }
  .hero-accent { display: none; }
  .hero-visual { order: -1; }
  .avatar-frame { width: min(300px, 88vw); margin: 0 auto 1.5rem; }
  .hero-cta { justify-content: center; }
  .cards { grid-template-columns: 1fr 1fr; }
  .timeline::before { left: 12px; }
  .tl-node { left: 12px; }
  .tl-card { width: calc(100% - 40px); margin-left: 40px !important; }
  .tl-date { display: none; }
  .proj-grid, .cert-grid, .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(5, 8, 15, 0.95); backdrop-filter: blur(14px);
    flex-direction: column; padding: 1.2rem; gap: 0.8rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .burger { display: flex; }
  .cards { grid-template-columns: 1fr; }
}


/* ========== PROFESSIONAL MOTION ========== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeLeft {
  from { opacity: 0; transform: translateX(-60px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeRight {
  from { opacity: 0; transform: translateX(60px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.85); }
  to { opacity: 1; transform: scale(1); }
}

/* Tech icons cascade */
.tech-grid .tech {
  opacity: 0;
  transform: scale(0.7) translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.tech-grid.visible .tech {
  opacity: 1;
  transform: scale(1) translateY(0);
}
.tech-grid.visible .tech:nth-child(1) { transition-delay: 0.05s; }
.tech-grid.visible .tech:nth-child(2) { transition-delay: 0.1s; }
.tech-grid.visible .tech:nth-child(3) { transition-delay: 0.15s; }
.tech-grid.visible .tech:nth-child(4) { transition-delay: 0.2s; }
.tech-grid.visible .tech:nth-child(5) { transition-delay: 0.25s; }
.tech-grid.visible .tech:nth-child(6) { transition-delay: 0.3s; }
.tech-grid.visible .tech:nth-child(7) { transition-delay: 0.35s; }
.tech-grid.visible .tech:nth-child(8) { transition-delay: 0.4s; }
.tech-grid.visible .tech:nth-child(9) { transition-delay: 0.45s; }
.tech-grid.visible .tech:nth-child(10) { transition-delay: 0.5s; }
.tech-grid.visible .tech:nth-child(11) { transition-delay: 0.55s; }
.tech-grid.visible .tech:nth-child(12) { transition-delay: 0.6s; }
.tech-grid.visible .tech:nth-child(13) { transition-delay: 0.65s; }
.tech-grid.visible .tech:nth-child(14) { transition-delay: 0.7s; }
.tech-grid.visible .tech:nth-child(15) { transition-delay: 0.75s; }
.tech-grid.visible .tech:nth-child(16) { transition-delay: 0.8s; }
.tech-grid.visible .tech:nth-child(17) { transition-delay: 0.85s; }
.tech-grid.visible .tech:nth-child(18) { transition-delay: 0.9s; }

.tech-ico {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease !important;
}
.tech:hover .tech-ico {
  transform: rotate(12deg) scale(1.12) !important;
  box-shadow: 0 0 28px rgba(34, 211, 238, 0.55) !important;
}

/* Cards hover glow border */
.card::before, .proj::before, .cert::before {
  content: '';
  position: absolute; inset: 0; border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent, rgba(34,211,238,0.4), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity 0.35s;
  pointer-events: none;
}
.card, .proj, .cert { position: relative; }
.card:hover::before, .proj:hover::before, .cert:hover::before { opacity: 1; }

/* Timeline alternate slide */
.tl-item:nth-child(odd) .tl-card {
  opacity: 0; transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22,1,0.36,1);
}
.tl-item:nth-child(even) .tl-card {
  opacity: 0; transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22,1,0.36,1);
}
.tl-item.visible .tl-card {
  opacity: 1; transform: translateX(0);
}
.tl-node {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.tl-item.visible .tl-node {
  transform: translateX(-50%) scale(1.3);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.8);
}

/* Globe float + rotate */
/* superseded by optimized globe */
@keyframes globeFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(5deg); }
}
.globe-side:hover .globe-img {
  animation-play-state: paused !important;
  transform: scale(1.08) !important;
  filter: drop-shadow(0 0 40px rgba(34, 211, 238, 0.5));
}

/* Hero entrance */
.hero-content.reveal-left.visible {
  animation: fadeLeft 0.9s cubic-bezier(0.22,1,0.36,1) forwards;
}
.hero-visual.reveal-right.visible {
  animation: fadeRight 0.9s cubic-bezier(0.22,1,0.36,1) 0.15s forwards;
}

/* Nav link underline animation */
.nav-links a {
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: var(--cyan);
  transition: width 0.3s ease;
}
.nav-links a:hover::after { width: 100%; }

/* Button shine */
.btn-primary {
  position: relative; overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute; top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transition: left 0.5s ease;
}
.btn-primary:hover::after { left: 120%; }

/* Social icons spin slightly */
.socials a:hover {
  transform: translateY(-3px) rotate(8deg);
  border-color: var(--cyan); color: var(--cyan);
}
.socials a { transition: transform 0.3s ease, border-color 0.2s, color 0.2s; }

/* Extra polish */
.title.visible {
  animation: titleGlow 1.2s ease forwards;
}
@keyframes titleGlow {
  0% { text-shadow: none; }
  50% { text-shadow: 0 0 30px rgba(34, 211, 238, 0.25); }
  100% { text-shadow: none; }
}
.lang:active { transform: scale(0.92); }
.avatar-frame { transition: transform 0.5s ease; }
.avatar-frame:hover { transform: scale(1.03); }



/* ========== AMPLIFIED PROFESSIONAL ANIMATIONS ========== */

/* Stronger reveal distances & smoother bounce */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-80px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(80px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger delays */
.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }
.delay-3 { transition-delay: 0.36s; }
.delay-4 { transition-delay: 0.48s; }

/* Tech icons: stronger pop + continuous subtle pulse when visible */
.tech-grid .tech {
  opacity: 0;
  transform: scale(0.55) translateY(28px) rotate(-8deg);
  transition: opacity 0.55s ease,
              transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.tech-grid.visible .tech {
  opacity: 1;
  transform: scale(1) translateY(0) rotate(0deg);
}
.tech-grid.visible .tech:nth-child(1)  { transition-delay: 0.04s; }
.tech-grid.visible .tech:nth-child(2)  { transition-delay: 0.08s; }
.tech-grid.visible .tech:nth-child(3)  { transition-delay: 0.12s; }
.tech-grid.visible .tech:nth-child(4)  { transition-delay: 0.16s; }
.tech-grid.visible .tech:nth-child(5)  { transition-delay: 0.20s; }
.tech-grid.visible .tech:nth-child(6)  { transition-delay: 0.24s; }
.tech-grid.visible .tech:nth-child(7)  { transition-delay: 0.28s; }
.tech-grid.visible .tech:nth-child(8)  { transition-delay: 0.32s; }
.tech-grid.visible .tech:nth-child(9)  { transition-delay: 0.36s; }
.tech-grid.visible .tech:nth-child(10) { transition-delay: 0.40s; }
.tech-grid.visible .tech:nth-child(11) { transition-delay: 0.44s; }
.tech-grid.visible .tech:nth-child(12) { transition-delay: 0.48s; }
.tech-grid.visible .tech:nth-child(13) { transition-delay: 0.52s; }
.tech-grid.visible .tech:nth-child(14) { transition-delay: 0.56s; }
.tech-grid.visible .tech:nth-child(15) { transition-delay: 0.60s; }
.tech-grid.visible .tech:nth-child(16) { transition-delay: 0.64s; }
.tech-grid.visible .tech:nth-child(17) { transition-delay: 0.68s; }
.tech-grid.visible .tech:nth-child(18) { transition-delay: 0.72s; }

.tech-ico {
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.35s ease !important;
}
.tech:hover .tech-ico {
  transform: rotate(18deg) scale(1.18) !important;
  box-shadow: 0 0 32px rgba(34, 211, 238, 0.65) !important;
}

/* Cards / projects / certs: lift + glow */
.card, .proj, .cert {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
              border-color 0.3s ease,
              box-shadow 0.35s ease !important;
}
.card:hover, .proj:hover, .cert:hover {
  transform: translateY(-8px) scale(1.02) !important;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35), 0 0 24px rgba(34, 211, 238, 0.18) !important;
}

/* Timeline stronger slides */
.tl-item:nth-child(odd) .tl-card {
  opacity: 0;
  transform: translateX(-55px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.tl-item:nth-child(even) .tl-card {
  opacity: 0;
  transform: translateX(55px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.tl-item.visible .tl-card {
  opacity: 1;
  transform: translateX(0);
}
.tl-item.visible .tl-node {
  transform: translateX(-50%) scale(1.45);
  box-shadow: 0 0 28px rgba(34, 211, 238, 0.95);
  animation: nodePulse 1.8s ease-in-out infinite;
}
@keyframes nodePulse {
  0%, 100% { box-shadow: 0 0 14px rgba(34, 211, 238, 0.6); }
  50% { box-shadow: 0 0 28px rgba(34, 211, 238, 1); }
}

/* Avatar floating + soft glow */
/* frame itself stays stable; image floats */
.avatar-frame:hover {
  filter: drop-shadow(0 0 32px rgba(34, 211, 238, 0.35));
}

/* Globe stays pure spin — no float/scale that breaks earth rotation */
.globe-img {
  animation: earthSpin 28s linear infinite !important;
}
/* superseded */

/* Buttons: stronger shine + press */
.btn-primary {
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease !important;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(34, 211, 238, 0.4);
}
.btn-primary::after {
  content: '';
  position: absolute; top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.55s ease;
}
.btn-primary:hover::after { left: 120%; }

/* Social icons */
.socials a {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
              border-color 0.2s, color 0.2s, box-shadow 0.3s !important;
}
.socials a:hover {
  transform: translateY(-5px) rotate(10deg) scale(1.1);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.4);
}

/* Nav underline thicker */
.nav-links a::after {
  height: 2.5px;
  background: linear-gradient(90deg, var(--cyan), #2dd4bf);
}


/* Contact links + WhatsApp */
.contact-link {
  color: var(--text2);
  text-decoration: none !important;
  display: inline-block;
  transition: color 0.25s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.contact-link:hover {
  color: var(--cyan);
  transform: scale(1.06);
  text-decoration: none !important;
}
.contact-link:active {
  transform: scale(0.98);
}
.contact-wa {
  position: relative;
  color: #25D366 !important;
  font-weight: 600;
}
.contact-wa:hover {
  color: #1ebe57 !important;
  transform: translateX(6px) scale(1.03);
  text-shadow: 0 0 12px rgba(37, 211, 102, 0.45);
}
.contact-wa::before {
  content: "💬 ";
}
.contact-meta p {
  transition: transform 0.3s ease;
}
.contact-meta p:hover {
  transform: translateX(3px);
}


/* WhatsApp — professional, matches site cyan theme */
.wa-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.4rem;
  margin-bottom: 1rem;
  padding: 0.7rem 1.1rem;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.35);
  color: var(--cyan) !important;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 0 0 rgba(34, 211, 238, 0);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.3s ease,
              background 0.3s ease,
              border-color 0.3s ease;
  animation: waGlow 3s ease-in-out infinite;
}
.wa-btn:hover {
  transform: translateY(-3px);
  background: rgba(34, 211, 238, 0.14);
  border-color: var(--cyan);
  box-shadow: 0 8px 24px rgba(34, 211, 238, 0.22);
  animation-play-state: paused;
}
.wa-icon {
  font-size: 1.2rem;
  line-height: 1;
  filter: grayscale(0.2);
}
.wa-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  font-size: 0.9rem;
}
.wa-text small {
  font-weight: 500;
  color: var(--text2);
  font-size: 0.76rem;
}
@keyframes waGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0); border-color: rgba(34, 211, 238, 0.3); }
  50% { box-shadow: 0 0 18px rgba(34, 211, 238, 0.2); border-color: rgba(34, 211, 238, 0.5); }
}

/* Extra professional motion */
.hero-cta .btn {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}
.hero-cta .btn:hover {
  transform: translateY(-3px);
}
.card-icon {
  display: inline-block;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.card:hover .card-icon {
  transform: scale(1.2) rotate(-8deg);
}
.label {
  position: relative;
}
.label.visible {
  animation: labelSlide 0.7s ease forwards;
}
@keyframes labelSlide {
  from { opacity: 0; letter-spacing: 0.35em; }
  to { opacity: 1; letter-spacing: 0.16em; }
}


/* subtle polish v2 — professional, not flashy */
.proj:hover .proj-img {
  filter: brightness(1.08);
  transition: filter 0.4s ease;
}
.proj-img { transition: filter 0.4s ease; }
.cert:hover .cert-year {
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.35);
}
.form input:focus, .form textarea:focus {
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}
.btn-ghost:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(34, 211, 238, 0.12);
}


/* Contact links — no underline, professional hover */
.contact-meta a,
.contact-link,
.wa-btn {
  position: relative;
  z-index: 5;
  pointer-events: auto;
  cursor: pointer;
}
.contact-link {
  color: var(--text2);
  text-decoration: none !important;
  display: inline-block;
  transition: color 0.25s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.contact-link:hover {
  color: var(--cyan);
  transform: scale(1.06);
  text-decoration: none !important;
}
.contact-link:active {
  transform: scale(0.98);
  color: #67e8f9;
}


/* Real tech logos */
.tech-logo {
  width: 68px;
  height: 68px;
  object-fit: contain;
  display: block;
  margin: 0 auto 0.5rem;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
              filter 0.3s ease;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.25));
}
.tech:hover .tech-logo {
  transform: scale(1.18) rotate(6deg);
  filter: drop-shadow(0 4px 14px rgba(34, 211, 238, 0.45));
}
.tech-ico { display: none; } /* hide old letter badges */


/* Contact flip card */
.flip-wrap {
  perspective: 1400px;
  width: 100%;
  min-height: 520px;
}
.flip-card {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 520px;
  transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
  transform-style: preserve-3d;
}
.flip-card.flipped {
  transform: rotateY(180deg);
}
.flip-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 1.25rem 1.5rem 1.5rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.flip-front {
  z-index: 2;
}
.flip-back {
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.flip-front .form {
  background: transparent;
  border: none;
  padding: 0;
  margin-top: 0.35rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.flip-front .form textarea {
  min-height: 90px;
  flex: 1;
}
.flip-front .form .btn {
  margin-top: auto;
}
.flip-front .form label {
  margin-top: 0.65rem;
}
.flip-front .form label:first-of-type {
  margin-top: 0;
}
.flip-front .form input,
.flip-front .form textarea {
  padding: 0.65rem 0.9rem;
}
.flip-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.3);
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  cursor: pointer;
  margin-bottom: 0.75rem;
  transition: background 0.25s, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  font-family: inherit;
}
.flip-hint:hover {
  background: rgba(34, 211, 238, 0.16);
  transform: scale(1.05);
}
.flip-arrow {
  display: inline-block;
  animation: flipArrow 2s ease-in-out infinite;
  font-size: 1rem;
}
@keyframes flipArrow {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(180deg); }
}
.flip-back .contact-meta {
  padding: 0.5rem 0.25rem;
}
.flip-back .contact-meta p {
  margin-bottom: 1rem;
}

/* Contact grid with larger globe */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  margin-top: 1.5rem;
}
.globe-side {
  display: flex;
  justify-content: center;
  align-items: center;
}
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
  .globe-img { width: min(280px, 80vw); height: min(280px, 80vw); }
}


/* Globe — GPU-accelerated continuous spin */
.globe-side {
  display: flex;
  justify-content: center;
  align-items: center;
}
.earth {
  width: min(340px, 85vw);
  height: min(340px, 85vw);
  display: flex;
  align-items: center;
  justify-content: center;
}
.globe-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: translateZ(0);
  will-change: transform;
  backface-visibility: hidden;
  animation: earthSpin 24s linear infinite;
  animation-play-state: running;
  filter: drop-shadow(0 0 28px rgba(34, 211, 238, 0.35));
  contain: layout style;
}
.globe-img.is-paused {
  animation-play-state: paused;
}
.globe-side:hover .globe-img {
  filter: drop-shadow(0 0 40px rgba(34, 211, 238, 0.5));
}
@keyframes earthSpin {
  from { transform: translateZ(0) rotate(0deg); }
  to { transform: translateZ(0) rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .globe-img { animation: none; }
}


/* Skills grid — 6 per row desktop, professional spacing */
.tech-grid {
  display: grid !important;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.4rem 1rem;
  justify-items: center;
  max-width: 900px;
  margin: 2rem auto 0;
}
.tech {
  width: 100%;
  max-width: 110px;
  text-align: center;
}
.tech > span:last-child {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.tech-logo {
  width: 68px !important;
  height: 68px !important;
}
@media (max-width: 900px) {
  .tech-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 520px) {
  .tech-grid { grid-template-columns: repeat(3, 1fr); gap: 1.1rem 0.6rem; }
  .tech-logo { width: 48px !important; height: 48px !important; }
}

/* Bigger globe — still optimized */
.earth {
  width: min(420px, 90vw) !important;
  height: min(420px, 90vw) !important;
}
.globe-img {
  width: 100% !important;
  height: 100% !important;
}
@media (max-width: 900px) {
  .earth { width: min(320px, 85vw) !important; height: min(320px, 85vw) !important; }
  .flip-wrap, .flip-card { min-height: 500px; }
}


/* Custom form validation — subtle, only when error */
.field {
  margin-bottom: 0.55rem;
}
.field-error {
  display: none;
  margin: 0.3rem 0 0;
  padding: 0;
  font-size: 0.78rem;
  color: #f0a0a0;
  background: none;
  border: none;
  line-height: 1.3;
}
.field-error:not([hidden]) {
  display: block;
  animation: errIn 0.2s ease;
}
@keyframes errIn {
  from { opacity: 0; transform: translateY(-3px); }
  to { opacity: 1; transform: translateY(0); }
}
/* Keep inputs normal look — only soft border tint on error */
.form input.is-invalid,
.form textarea.is-invalid {
  border-color: rgba(248, 113, 113, 0.45) !important;
  box-shadow: none !important;
}
.form-status {
  margin: 0.5rem 0 0.35rem;
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
}
.form-status[hidden] {
  display: none !important;
}
.form-status.is-ok {
  background: rgba(34, 211, 238, 0.1);
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.25);
}
.form-status.is-fail {
  background: transparent;
  color: #f0a0a0;
  border: 1px solid rgba(248, 113, 113, 0.25);
}
/* Always keep submit visible */
.flip-front .form .btn,
.form .btn[type="submit"] {
  display: block !important;
  visibility: visible !important;
  margin-top: 0.75rem;
}


/* Nav logo avatar */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.logo-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid rgba(34, 211, 238, 0.45);
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.25);
}
.logo-dot { display: none; }


/* Scroll hint — visible on first hero screen, not too low */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.scroll-hint {
  position: absolute;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  pointer-events: none;
}
@media (max-height: 700px) {
  .scroll-hint { bottom: 0.9rem; }
}
@media (max-width: 900px) {
  .scroll-hint { bottom: 1.2rem; }
}