/* =====================================================
   KISHORE S — PORTFOLIO  |  style.css
   Inspired by 0xecho.me — Cyberpunk Dark Glassmorphism
   ===================================================== */

/* ---- Google Fonts are loaded in HTML ---- */

:root {
  --bg:         #000000;
  --bg2:        #0a0a12;
  --glass:      rgba(12, 12, 24, 0.72);
  --glass-border: rgba(255, 255, 255, 0.08);
  --lime:       #ccff00;
  --lime-dim:   rgba(204, 255, 0, 0.12);
  --lime-glow:  rgba(204, 255, 0, 0.35);
  --purple:     #9b59b6;
  --cyan:       #00d4ff;
  --text:       #ffffff;
  --text-muted: #7a7a9a;
  --border:     rgba(255, 255, 255, 0.07);
  --mono:       'Space Mono', monospace;
  --sans:       'Space Grotesk', sans-serif;
  --display:    'Syne', sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  overflow-x: hidden;
  cursor: none;
}

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

/* ==================== CUSTOM CURSOR ==================== */
.cursor-dot {
  width: 8px; height: 8px;
  background: var(--lime);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s;
}
.cursor-ring {
  width: 32px; height: 32px;
  border: 1.5px solid var(--lime);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.18s, width 0.2s, height 0.2s, opacity 0.2s;
  opacity: 0.6;
}

/* ==================== CANVAS BACKGROUND ==================== */
#particleCanvas {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* Grid overlay */
body::before {
  content: '';
  position: fixed; 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;
  z-index: 1;
  pointer-events: none;
}

/* ==================== HUD BARS ==================== */
.hud-bar {
  position: fixed;
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--lime);
  z-index: 100;
  line-height: 1.6;
  letter-spacing: 0.05em;
  opacity: 0.8;
  pointer-events: none;
  mix-blend-mode: screen;
}
.hud-top-left    { top: 14px; left: 18px; }
.hud-top-right   { top: 14px; right: 18px; text-align: right; }
.hud-bottom-left { bottom: 14px; left: 18px; }
.hud-bottom-right{ bottom: 14px; right: 18px; }
.hud-label { opacity: 0.7; }
.hud-sep   { opacity: 0.5; }
.accent-lime { color: var(--lime); }

/* ==================== NAVBAR ==================== */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex; align-items: center; gap: 2rem;
  padding: 20px 40px;
  background: transparent;
  transition: background 0.4s, backdrop-filter 0.4s, padding 0.3s;
}
#navbar.scrolled {
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(18px);
  padding: 14px 40px;
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--lime);
  letter-spacing: 0.04em;
  margin-right: auto;
  opacity: 0.9;
}
.nav-links {
  list-style: none;
  display: flex; gap: 2rem;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--lime); }
.nav-resume {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  padding: 8px 18px;
  border: 1px solid var(--lime);
  color: var(--lime);
  transition: background 0.2s, color 0.2s;
}
.nav-resume:hover {
  background: var(--lime);
  color: #000;
}
.nav-toggle {
  display: none;
  background: none; border: none;
  color: var(--lime); font-size: 1.4rem;
  cursor: pointer;
}

/* ==================== MOBILE NAV ==================== */
.mobile-nav {
  position: fixed; top: 0; right: -100%;
  width: min(320px, 80vw);
  height: 100vh;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  border-left: 1px solid var(--border);
  z-index: 500;
  transition: right 0.35s cubic-bezier(0.77, 0, 0.18, 1);
  padding: 80px 32px 40px;
}
.mobile-nav.open { right: 0; }
.mobile-nav ul { list-style: none; }
.mobile-nav li { border-bottom: 1px solid var(--border); }
.mobile-nav a {
  display: block;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  padding: 16px 0;
  color: var(--text-muted);
  transition: color 0.2s, padding-left 0.2s;
}
.mobile-nav a:hover {
  color: var(--lime);
  padding-left: 12px;
}

/* ==================== HERO ==================== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  z-index: 10;
  padding: 100px 20px;
}
.hero-glass-card {
  position: relative;
  background: rgba(10, 10, 20, 0.65);
  backdrop-filter: blur(28px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 64px 72px;
  max-width: 780px;
  width: 100%;
  text-align: center;
  box-shadow:
    0 0 80px rgba(155, 89, 182, 0.15),
    0 0 160px rgba(0, 80, 160, 0.1),
    inset 0 0 40px rgba(0, 0, 0, 0.3);
}
.hero-handle {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--lime);
  background: rgba(204, 255, 0, 0.1);
  border: 1px solid rgba(204, 255, 0, 0.25);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
  letter-spacing: 0.05em;
}
.hero-title {
  font-family: var(--display);
  line-height: 1.08;
  margin-bottom: 22px;
}
.hero-line1 {
  display: block;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}
.hero-line2 {
  display: block;
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}
.gradient-text {
  background: linear-gradient(135deg, var(--lime) 0%, #00ffcc 50%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 36px;
  letter-spacing: 0.02em;
}
.hero-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  padding: 14px 36px;
  background: var(--lime);
  color: #000;
  font-weight: 700;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 24px var(--lime-glow);
}
.btn-outline {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  padding: 14px 36px;
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--text);
  transition: border-color 0.2s, color 0.2s;
}
.btn-outline:hover {
  border-color: var(--lime);
  color: var(--lime);
}

/* ==================== SECTIONS ==================== */
.section {
  position: relative;
  z-index: 10;
  padding: 120px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.section-contact { max-width: 100%; padding: 120px 40px; }

.section-header {
  margin-bottom: 64px;
}
.section-tag {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--lime);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
  opacity: 0.7;
}
.section-title {
  font-family: var(--display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.section-meta {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 16px;
  line-height: 1.8;
  opacity: 0.6;
  text-align: right;
}

/* ==================== REVEAL ANIMATIONS ==================== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
  transition-delay: var(--delay, 0s);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==================== ABOUT ==================== */
.about-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 32px;
  align-items: start;
}
.about-photo {
  position: relative;
}
.photo-corners {
  position: relative;
  display: inline-block;
}
.photo-corners::before,
.photo-corners::after {
  content: '';
  position: absolute;
  width: 24px; height: 24px;
  border-color: var(--lime);
  border-style: solid;
}
.photo-corners::before {
  top: -8px; left: -8px;
  border-width: 2px 0 0 2px;
}
.photo-corners::after {
  bottom: -8px; right: -8px;
  border-width: 0 2px 2px 0;
}
.photo-corners img {
  display: block;
  width: 100%;
  max-width: 320px;
  border-radius: 4px;
  filter: grayscale(20%) contrast(1.05);
  border: 1px solid var(--border);
}
.about-info {
  display: flex; flex-direction: column; gap: 16px;
}
.info-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 24px;
  backdrop-filter: blur(12px);
  transition: border-color 0.3s;
}
.info-card:hover { border-color: rgba(204, 255, 0, 0.2); }
.card-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--lime);
  margin-bottom: 14px;
  opacity: 0.8;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tech-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 5px 12px;
  border: 1px solid rgba(204, 255, 0, 0.3);
  color: rgba(204, 255, 0, 0.85);
  border-radius: 4px;
  background: rgba(204, 255, 0, 0.04);
  letter-spacing: 0.04em;
  transition: background 0.2s, color 0.2s;
}
.tech-tag:hover {
  background: var(--lime-dim);
  color: var(--lime);
}
.tech-tag.ai { border-color: rgba(155, 89, 182, 0.4); color: #c39bd9; background: rgba(155,89,182,0.06); }
.tech-tag.ai:hover { background: rgba(155,89,182,0.15); }
.tech-tag.small { font-size: 0.65rem; padding: 3px 9px; }
.philosophy-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ==================== SKILLS ==================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.skill-group {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  backdrop-filter: blur(12px);
  transition: border-color 0.3s, transform 0.3s;
}
.skill-group:hover {
  border-color: rgba(204, 255, 0, 0.2);
  transform: translateY(-4px);
}
.skill-group-title {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--lime);
  margin-bottom: 16px;
  opacity: 0.8;
}
.skill-pill {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 5px 14px;
  border-radius: 100px;
  border: 1px solid;
  letter-spacing: 0.04em;
  transition: background 0.2s, transform 0.2s;
  cursor: default;
}
.skill-pill:hover { transform: translateY(-2px); }
.skill-pill.lang  { border-color: rgba(0, 212, 255, 0.4); color: #80e8f7; background: rgba(0,212,255,0.05); }
.skill-pill.lang:hover { background: rgba(0,212,255,0.12); }
.skill-pill.fw    { border-color: rgba(204,255,0,0.35); color: rgba(204,255,0,0.85); background: rgba(204,255,0,0.04); }
.skill-pill.fw:hover { background: var(--lime-dim); }
.skill-pill.ai    { border-color: rgba(155,89,182,0.4); color: #c39bd9; background: rgba(155,89,182,0.05); }
.skill-pill.ai:hover { background: rgba(155,89,182,0.14); }
.skill-pill.tool  { border-color: rgba(255,140,0,0.35); color: #ffa040; background: rgba(255,140,0,0.04); }
.skill-pill.tool:hover { background: rgba(255,140,0,0.12); }
.skill-pill.db    { border-color: rgba(255,80,120,0.35); color: #ff8099; background: rgba(255,80,120,0.04); }
.skill-pill.db:hover { background: rgba(255,80,120,0.12); }
.skill-pill.soft  { border-color: rgba(255,255,255,0.2); color: var(--text-muted); background: rgba(255,255,255,0.03); }
.skill-pill.soft:hover { background: rgba(255,255,255,0.08); color: #fff; }

/* ==================== PROJECTS ==================== */
.projects-list {
  display: flex; flex-direction: column;
  border-top: 1px solid var(--border);
}
.project-row {
  display: grid;
  grid-template-columns: 48px 1fr auto auto;
  align-items: center;
  gap: 24px;
  padding: 32px 24px;
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
  cursor: pointer;
}
.project-row:hover { background: rgba(204,255,0,0.03); }
.proj-num {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--lime);
  opacity: 0.6;
  letter-spacing: 0.05em;
}
.proj-info {}
.proj-title {
  font-family: var(--display);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  transition: color 0.2s;
}
.project-row:hover .proj-title { color: var(--lime); }
.proj-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 540px;
}
.proj-tags {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  display: flex; gap: 4px; align-items: center;
  flex-wrap: wrap;
  max-width: 200px;
  opacity: 0.7;
}
.proj-links {}
.proj-link {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  padding: 10px 18px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  white-space: nowrap;
}
.proj-link:hover {
  border-color: var(--lime);
  color: var(--lime);
  box-shadow: 0 0 12px var(--lime-glow);
}

/* ==================== TIMELINE ==================== */
.timeline {
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 6px; top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--lime), transparent);
  opacity: 0.3;
}
.timeline-item {
  position: relative;
  margin-bottom: 52px;
}
.timeline-dot {
  position: absolute;
  left: -32px; top: 6px;
  width: 12px; height: 12px;
  border: 2px solid var(--lime);
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 0 10px var(--lime-glow);
}
.timeline-content {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 28px;
  backdrop-filter: blur(12px);
  transition: border-color 0.3s;
}
.timeline-content:hover { border-color: rgba(204,255,0,0.2); }
.timeline-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 8px; gap: 16px; flex-wrap: wrap;
}
.timeline-role {
  font-family: var(--display);
  font-size: 1.2rem; font-weight: 700;
}
.timeline-date {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--lime);
  letter-spacing: 0.06em;
  white-space: nowrap;
  opacity: 0.8;
}
.timeline-org {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--lime);
  margin-bottom: 12px;
  opacity: 0.6;
  letter-spacing: 0.04em;
}
.timeline-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

/* ==================== ACHIEVEMENTS ==================== */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.achievement-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
  backdrop-filter: blur(12px);
  display: flex; flex-direction: column; gap: 12px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.achievement-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(204,255,0,0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}
.achievement-card:hover {
  border-color: rgba(204,255,0,0.3);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4), 0 0 20px rgba(204,255,0,0.08);
}
.achievement-card:hover::before { opacity: 1; }
.ach-icon { font-size: 1.8rem; }
.ach-body { flex: 1; }
.ach-title {
  font-family: var(--display);
  font-size: 1.1rem; font-weight: 700;
  margin-bottom: 4px;
}
.ach-event {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--lime); opacity: 0.7;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.ach-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.65;
}
.ach-year {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  align-self: flex-end;
  opacity: 0.5;
}

/* ==================== CONTACT ==================== */
.section-contact {
  text-align: center;
}
.contact-headline {
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 16px;
}
.contact-sub {
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 56px;
  letter-spacing: 0.04em;
}
.contact-cards {
  display: flex; flex-wrap: wrap;
  gap: 16px; justify-content: center;
  margin-bottom: 40px;
}
.contact-card {
  display: flex; flex-direction: column;
  align-items: center; gap: 8px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 36px;
  min-width: 180px;
  backdrop-filter: blur(12px);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.contact-card:hover {
  border-color: var(--lime);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4), 0 0 24px var(--lime-glow);
}
.cc-icon {
  font-size: 1.5rem;
  color: var(--lime);
  font-family: var(--mono);
  font-style: normal;
}
.cc-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--lime);
  opacity: 0.7;
}
.cc-value {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}
.contact-phone {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-top: 16px;
}
.contact-phone a { color: var(--lime); }

/* ==================== FOOTER ==================== */
footer {
  position: relative; z-index: 10;
  text-align: center;
  padding: 40px 20px;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  display: flex; gap: 12px; justify-content: center; align-items: center;
  flex-wrap: wrap;
}
.footer-name { color: var(--lime); font-weight: 700; }
.footer-sep { opacity: 0.3; }

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: #000; }
::-webkit-scrollbar-thumb { background: var(--lime); border-radius: 100px; }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { display: flex; justify-content: center; }
  .photo-corners img { max-width: 280px; }
}

@media (max-width: 768px) {
  .nav-links, .nav-resume { display: none; }
  .nav-toggle { display: block; }
  #navbar { padding: 16px 20px; }

  .hero-glass-card { padding: 40px 28px; }

  .section { padding: 80px 20px; }
  .section-title { font-size: 2rem; }

  .project-row {
    grid-template-columns: 36px 1fr;
    grid-template-rows: auto auto;
  }
  .proj-tags { grid-column: 2; }
  .proj-links { grid-column: 2; }

  .timeline { padding-left: 20px; }
  .timeline-dot { left: -20px; }

  .hud-bar { display: none; }
  .cursor-dot, .cursor-ring { display: none; }
  body { cursor: auto; }
}

@media (max-width: 480px) {
  .hero-glass-card { padding: 32px 20px; }
  .hero-btns { flex-direction: column; align-items: center; }
  .btn-primary, .btn-outline { width: 100%; text-align: center; }
  .contact-card { min-width: 140px; padding: 20px 24px; }
}