/* ===== RESET & VARIABLES ===== */

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

:root {
  --bg: #111214;
  --bg2: #161719;
  --navy: #1c1d21;
  --accent: #1e6fff;
  --accent2: #00c8ff;
  --accent3: #6ee7ff;
  --text: #e4e6ed;
  --muted: #545868;
  --border: rgba(255, 255, 255, 0.07);
  --mono: 'Space Mono', ui-monospace, monospace;
  --head: 'Syne', system-ui, sans-serif;
}

/* ===== LAYOUT & TYPOGRAPHY ===== */

html {
  scroll-behavior: smooth;
  width: 100%;
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  overflow-x: hidden;
  overflow-y: auto;
  line-height: 1.6;
  width: 100%;
  max-width: 100vw;
  display: block;
}

.wrap {
  max-width: 1160px;
  width: 100%;
  margin: 0 auto;
  padding: 0 5rem;
}

section {
  padding: 7rem 0;
  width: 100%;
}

.s-label {
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 0.8rem;
}

.s-label::before {
  content: '// ';
  opacity: 0.4;
}

h2 {
  font-family: var(--head);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 3rem;
}

h2 em {
  font-style: normal;
  color: var(--accent);
}

/* ===== CUSTOM CURSOR ===== */

#cur {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--accent2);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
  transition: width 0.15s, height 0.15s, background 0.15s;
}

#ring {
  position: fixed;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(0, 200, 255, 0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, border-color 0.2s;
}

body.hov #cur {
  width: 14px;
  height: 14px;
  background: var(--accent);
}

body.hov #ring {
  width: 50px;
  height: 50px;
  border-color: var(--accent);
}

/* ===== PROGRESS BAR ===== */

#prog {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  z-index: 8999;
}

/* ===== NAVIGATION ===== */

nav {
  position: fixed;
  top: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 5rem;
  background: rgba(17, 18, 20, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 500;
}

.logo {
  font-family: var(--head);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--accent2);
}

nav ul {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--accent2);
}

/* ===== HERO SECTION ===== */

#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: visible;
  padding: 0;
  width: 100%;
  box-sizing: border-box;
}

#hero .wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100vh;
  padding-top: 5rem;
}

.hc {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 2rem;
  opacity: 0;
  animation: up 0.6s 0.2s forwards;
}

.badge::before {
  content: '// ';
  opacity: 0.4;
}

h1 {
  font-family: var(--head);
  font-weight: 800;
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
  opacity: 0;
  animation: up 0.7s 0.35s forwards;
}

h1 .blue {
  color: var(--accent);
  display: block;
}

.sub {
  margin-top: 2rem;
  max-width: 480px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.95;
  opacity: 0;
  animation: up 0.7s 0.5s forwards;
}

.sub strong {
  color: var(--text);
}

.cta {
  margin-top: 2.5rem;
  display: flex;
  gap: 1rem;
  opacity: 0;
  animation: up 0.7s 0.65s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1.7rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: none;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: all 0.25s;
  border: none;
}

.btn-p {
  background: var(--accent);
  color: #fff;
}

.btn-p:hover {
  background: var(--accent2);
  color: var(--bg);
}

.btn-g {
  background: transparent;
  color: var(--muted);
  outline: 1px solid var(--border);
}

.btn-g:hover {
  color: var(--text);
  outline-color: var(--accent);
}

/* ===== HERO BACKGROUND ===== */

.grid-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: radial-gradient(ellipse 60% 90% at 85% 50%, black 0%, transparent 75%);
  opacity: 0;
  animation: fi 1.2s 0.9s forwards;
}

.orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(70px);
}

.o1 {
  width: 550px;
  height: 550px;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  background: radial-gradient(circle, rgba(30, 111, 255, 0.13) 0%, transparent 70%);
  animation: pulse 7s ease-in-out infinite;
}

.o2 {
  width: 280px;
  height: 280px;
  right: 220px;
  top: 15%;
  background: radial-gradient(circle, rgba(0, 200, 255, 0.07) 0%, transparent 70%);
  animation: pulse 9s 2s ease-in-out infinite;
}

/* ===== HERO PHOTO ===== */

.hero-layout {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 5rem;
  display: flex;
  align-items: center;
  min-height: 100vh;
  position: relative;
}

.photo-wrap {
  position: absolute;
  right: -60px;
  bottom: 0;
  width: 520px;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  pointer-events: none;
  z-index: 3;
  transform-style: preserve-3d;
  transition: transform 0.08s ease-out;
}

.photo-glow {
  position: absolute;
  bottom: -10px;
  right: 60px;
  width: 340px;
  height: 100px;
  background: radial-gradient(ellipse, rgba(30, 111, 255, 0.4) 0%, transparent 70%);
  filter: blur(28px);
  pointer-events: none;
  z-index: 0;
}

.photo-img {
  position: relative;
  z-index: 1;
  height: 96vh;
  max-height: 900px;
  width: auto;
  object-fit: contain;
  object-position: bottom;
  filter:
    drop-shadow(-40px 0 80px rgba(0, 0, 0, 0.9))
    drop-shadow(-20px 20px 40px rgba(0, 0, 0, 0.7))
    drop-shadow(0 0 60px rgba(30, 111, 255, 0.12));
  transform-origin: bottom right;
  animation: floatIn 1s 0.4s both;
}

/* ===== ABOUT / SKILLS SECTION ===== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 2;
}

.about-text p + p {
  margin-top: 0.9rem;
}

.about-text strong {
  color: var(--text);
}

.skills {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.sk {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--border);
  font-size: 0.68rem;
  color: var(--muted);
  transition: border-color 0.2s, color 0.2s;
}

.sk:hover {
  border-color: var(--accent);
  color: var(--text);
}

.dot {
  width: 5px;
  height: 5px;
  background: var(--accent2);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ===== PROJECTS SECTION ===== */

#projects {
  background: var(--bg2);
}

.pgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 1.2rem;
}

.card {
  background: var(--navy);
  border: 1px solid var(--border);
  padding: 1.8rem;
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: border-color 0.3s, transform 0.3s;
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 111, 255, 0.07) 0%, transparent 55%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.card:hover {
  border-color: rgba(30, 111, 255, 0.5);
  transform: translateY(-5px);
}

.card:hover::after {
  opacity: 1;
}

.c-num {
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.14em;
  margin-bottom: 1.2rem;
}

.card h3 {
  font-family: var(--head);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  letter-spacing: -0.02em;
}

.card p {
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.85;
  margin-bottom: 1.3rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.3rem;
}

.tag {
  font-size: 0.58rem;
  padding: 0.22rem 0.55rem;
  background: rgba(30, 111, 255, 0.1);
  border: 1px solid rgba(30, 111, 255, 0.2);
  color: var(--accent3);
  letter-spacing: 0.07em;
}

.lks {
  display: flex;
  gap: 0.9rem;
}

.lk {
  font-size: 0.65rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color 0.2s, border-color 0.2s;
}

.lk:hover {
  color: var(--accent2);
  border-color: var(--accent2);
}

/* ===== WHO SECTION ===== */

#who {
  background: var(--bg);
}

.who-grid {
  max-width: 720px;
}

.who-meta {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.who-tag {
  font-size: 0.65rem;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--border);
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.who-bio {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 2;
  margin-bottom: 2.5rem;
}

.who-bio p + p {
  margin-top: 0.9rem;
}

.who-stats {
  display: flex;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-n {
  font-family: var(--head);
  font-weight: 800;
  font-size: 2.2rem;
  line-height: 1;
  color: var(--accent2);
  letter-spacing: -0.03em;
}

.stat-l {
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ===== CONTACT SECTION ===== */

#contact {
  text-align: center;
}

#contact .wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-desc {
  color: var(--muted);
  font-size: 0.8rem;
  max-width: 380px;
  line-height: 1.9;
  margin-bottom: 2.5rem;
}

.contact-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.c-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.75rem 1.6rem;
  border: 1px solid var(--border);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.c-wa:hover {
  border-color: #25d366;
  background: rgba(37, 211, 102, 0.08);
  color: #25d366;
}

.c-li:hover {
  border-color: #0a66c2;
  background: rgba(10, 102, 194, 0.08);
  color: #0a88ff;
}

.c-gh:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

/* ===== FOOTER ===== */

footer {
  border-top: 1px solid var(--border);
  padding: 1.8rem 5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 0.65rem;
}

/* ===== ANIMATIONS & UTILITIES ===== */

.rv {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.rv.on {
  opacity: 1;
  transform: none;
}

.d1 { transition-delay: 0.08s; }
.d2 { transition-delay: 0.18s; }
.d3 { transition-delay: 0.28s; }
.d4 { transition-delay: 0.38s; }

.bl {
  animation: blink 1.1s step-end infinite;
}

@keyframes up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}

@keyframes fi {
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: translateY(-50%) scale(1); }
  50%      { transform: translateY(-50%) scale(1.08); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

@keyframes floatIn {
  from { opacity: 0; transform: translateX(40px) translateY(20px); }
  to   { opacity: 1; transform: translateX(0) translateY(0); }
}

/* ===== RESPONSIVE (768px) ===== */

@media (hover: hover) {
  body { cursor: none; }
}

@media (max-width: 768px) {
  #cur, #ring { display: none !important; }
  nav { padding: 1rem 1.5rem; }
  nav ul { display: none; }
  #hero { padding: 0 1.5rem; }
  .wrap { padding: 0 1.5rem; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  footer { padding: 1.5rem; flex-direction: column; gap: 0.8rem; text-align: center; }
  .cta { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .btn { width: fit-content; }
}

/* ===== RESPONSIVE (900px) ===== */

@media (max-width: 900px) {
  .hero-layout {
    flex-direction: column;
    padding: 7rem 1.5rem 0;
    min-height: auto;
  }
  .photo-wrap {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    height: 60vw;
    justify-content: center;
  }
  .photo-img { height: 60vw; }
}

/* ===== LARGE SCREENS (1400px) ===== */

@media (min-width: 1400px) {
  .wrap { max-width: 1360px; }
  #hero .wrap { max-width: 1360px; }
  .hc { max-width: 1360px; }
  h1 { font-size: 9rem; }
  h2 { font-size: 4rem; }
  .card { padding: 2.2rem; }
  .card h3 { font-size: 1.4rem; }
  .card p { font-size: 0.88rem; }
  .c-num { font-size: 0.72rem; }
  .tag { font-size: 0.68rem; padding: 0.28rem 0.65rem; }
  .lk { font-size: 0.75rem; }
  .sub { font-size: 0.95rem; max-width: 580px; }
  .badge { font-size: 0.78rem; }
  .about-text { font-size: 0.95rem; }
  .sk { font-size: 0.8rem; padding: 0.65rem 1rem; }
  .who-bio { font-size: 0.95rem; }
  .who-tag { font-size: 0.75rem; }
  .stat-n { font-size: 2.8rem; }
  .stat-l { font-size: 0.75rem; }
  .contact-desc { font-size: 0.92rem; }
  .c-link { font-size: 0.78rem; padding: 0.9rem 2rem; }
  nav a { font-size: 0.8rem; }
  .pgrid { grid-template-columns: repeat(auto-fill, minmax(400px, 1fr)); }
}

/* ===== EXTRA LARGE SCREENS (1800px) ===== */

@media (min-width: 1800px) {
  .wrap { max-width: 1600px; }
  #hero .wrap { max-width: 1600px; }
  .hc { max-width: 1600px; }
  h1 { font-size: 11rem; }
  h2 { font-size: 5rem; }
  .card { padding: 2.6rem; }
  .card h3 { font-size: 1.6rem; }
  .card p { font-size: 0.95rem; line-height: 2; }
  .c-num { font-size: 0.78rem; }
  .tag { font-size: 0.72rem; }
  .lk { font-size: 0.8rem; }
  .sub { font-size: 1.05rem; max-width: 640px; }
  .about-text { font-size: 1rem; }
  .sk { font-size: 0.88rem; }
  .pgrid { grid-template-columns: repeat(auto-fill, minmax(460px, 1fr)); }
  nav { padding: 1.5rem 6rem; }
  nav a { font-size: 0.85rem; }
  .logo { font-size: 1.2rem; }
}

/* ===== CV BUTTON ===== */

.btn-cv {
  background: transparent;
  color: var(--accent2);
  outline: 1px solid rgba(0, 200, 255, 0.3);
  display: inline-flex;
  align-items: center;
}

.btn-cv:hover {
  background: rgba(0, 200, 255, 0.08);
  outline-color: var(--accent2);
  color: var(--accent2);
}