/* ═══════════════════════════════════════════════════════════
   DESIGN TOKENS
═══════════════════════════════════════════════════════════ */
:root {
  --page-pad-x: 2.5rem;
  --page-pad-y: 1.5rem;

  --clr-bg-deep:       #03010a;
  --clr-bg-mid:        #0a0520;
  --clr-accent-blue:   #2563eb;
  --clr-accent-purple: #7c3aed;
  --clr-accent-violet: #a855f7;
  --clr-accent-red:    #ef4444;
  --clr-text-primary:  #f1f5f9;
  --clr-text-muted:    #475569;
  --clr-glass-bg:      rgba(255, 255, 255, 0.04);
  --clr-glass-border:  rgba(255, 255, 255, 0.08);
  --clr-glow-blue:     rgba(37, 99, 235, 0.35);
  --clr-glow-purple:   rgba(124, 58, 237, 0.35);

  --font-heading: 'Space Grotesk', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  height: 100%;
  background-color: #02000c;
  overflow: hidden;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  width: 100%;
  min-height: 100dvh;
  background-color: #02000c;
  color: var(--clr-text-primary);
  font-family: var(--font-heading);
  overflow: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ═══════════════════════════════════════════════════════════
   BACKGROUND LAYERS
═══════════════════════════════════════════════════════════ */
#particle-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  z-index: 1;   /* en altta — yıldız alanı */
  pointer-events: none;
}

#bg-gradient-overlay {
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  /* JS dinamik olarak ayarlar — başlangıçta şeffaf */
  background: transparent;
  transition: opacity 1.2s var(--ease-smooth);
}

/* ═══════════════════════════════════════════════════════════
   CURSOR GLOW
═══════════════════════════════════════════════════════════ */
#cursor-glow {
  position: fixed;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.09) 0%, transparent 70%);
  pointer-events: none;
  z-index: 5;
  will-change: transform;
  mix-blend-mode: screen;
  transition: transform 0.1s linear;
}

/* ═══════════════════════════════════════════════════════════
   TOP BAR
═══════════════════════════════════════════════════════════ */
#top-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: max(var(--page-pad-y), env(safe-area-inset-top, 0px));
  padding-right: max(var(--page-pad-x), env(safe-area-inset-right, 0px));
  padding-bottom: var(--page-pad-y);
  padding-left: max(var(--page-pad-x), env(safe-area-inset-left, 0px));
  background: linear-gradient(to bottom, rgba(3,1,10,0.85) 0%, transparent 100%);
}

#logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

#logo .dot { color: var(--clr-accent-violet); }

#header-right .mono-label {
  opacity: 0.5;
}

/* ═══════════════════════════════════════════════════════════
   SECTION NAV DOTS (right side)
═══════════════════════════════════════════════════════════ */
#section-nav {
  position: fixed;
  right: max(var(--page-pad-x), env(safe-area-inset-right, 0px));
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
}

#section-nav ul {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  align-items: center;
}

#section-nav li {
  position: relative;
  display: flex;
  align-items: center;
  cursor: pointer;
}

#section-nav li span {
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-text-muted);
  transition: all 0.4s var(--ease-expo);
}

#section-nav li.active span {
  background: var(--clr-accent-violet);
  box-shadow: 0 0 10px var(--clr-accent-violet), 0 0 20px rgba(168,85,247,0.4);
  transform: scale(1.8);
}

#section-nav li:hover span {
  background: var(--clr-accent-violet);
  transform: scale(1.4);
}

.nav-label {
  position: absolute;
  right: 1.6rem;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--clr-accent-violet);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

#section-nav li:hover .nav-label,
#section-nav li.active .nav-label {
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════
   BOTTOM HUD
═══════════════════════════════════════════════════════════ */
#bottom-hud {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--page-pad-y);
  padding-right: max(var(--page-pad-x), env(safe-area-inset-right, 0px));
  padding-bottom: max(var(--page-pad-y), env(safe-area-inset-bottom, 0px));
  padding-left: max(var(--page-pad-x), env(safe-area-inset-left, 0px));
  background: linear-gradient(to top, rgba(3,1,10,0.85) 0%, transparent 100%);
}

#section-counter {
  font-family: var(--font-mono);
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}

#current-section {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--clr-accent-violet);
  line-height: 1;
  transition: all 0.4s var(--ease-expo);
}

.counter-divider {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
}

.counter-total {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
}

/* LIVE Ticker */
#live-ticker {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
}

#live-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(239,68,68,0.12);
  border: 1px solid rgba(239,68,68,0.35);
  border-radius: 4px;
  padding: 0.3rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--clr-accent-red);
  flex-shrink: 0;
}

.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-accent-red);
  animation: pulse-red 1.5s ease infinite;
}

@keyframes pulse-red {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(239,68,68,0.4); }
  50%       { opacity: 0.6; transform: scale(0.8); box-shadow: 0 0 0 4px rgba(239,68,68,0); }
}

#hud-skills-strip {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  max-width: min(520px, 46vw);
  text-align: right;
}

.hud-strip-line {
  display: block;
  width: 100%;
  margin: 0;
  white-space: normal;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--clr-text-muted);
  letter-spacing: 0.04em;
  line-height: 1.4;
}

.hud-strip-line + .hud-strip-line {
  margin-top: 0.2rem;
}

.hud-strip-label {
  display: inline-block;
  margin-right: 0.4rem;
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(203, 213, 225, 0.45);
}

/* ═══════════════════════════════════════════════════════════
   SCROLL CONTAINER & SECTIONS
═══════════════════════════════════════════════════════════ */
#scroll-container {
  position: relative;
  z-index: 15;
  height: 100dvh;
  overflow-y: scroll;
  scroll-snap-type: y proximity;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

#scroll-container::-webkit-scrollbar { display: none; }

.section {
  scroll-snap-align: start;
  height: 100dvh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Yetenekler: fixed globe canvas ile compositor kesişimi / sahte “kesik” çizgilerini azaltır */
#section-skills.section {
  overflow: visible;
}

.section-content {
  width: 100%;
  max-width: 1300px;
  padding: 6rem 3rem 5rem;
}

/* ═══════════════════════════════════════════════════════════
   TYPOGRAPHY UTILITIES
═══════════════════════════════════════════════════════════ */
.mono-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--clr-accent-violet);
  text-transform: uppercase;
}

.section-label {
  margin-bottom: 0.75rem;
  opacity: 0.8;
}

.section-title {
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 2.5rem;
  line-height: 1.1;
}

/* ═══════════════════════════════════════════════════════════
   GLASS CARD
═══════════════════════════════════════════════════════════ */
.glass-card {
  background: var(--clr-glass-bg);
  border: 1px solid var(--clr-glass-border);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-radius: 14px;
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(168,85,247,0.5) 30%,
    rgba(37,99,235,0.5) 70%,
    transparent 100%
  );
}

/* Yetenekler: tam ekran canvas + kara delik ile birlikte blur(20px) GPU’yu zorlar */
#section-skills .glass-card {
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
}

/* ═══════════════════════════════════════════════════════════
   GEZEGEN CANVAS — Tam ekran arka plan (globe.js tarafından
   position:fixed, z-index:-1 olarak ayarlanır)
═══════════════════════════════════════════════════════════ */
#globe-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  z-index: 2;   /* particle-canvas üzerinde, içerik altında */
  pointer-events: none;
  display: block;
}

/* WebGL: bloom + Fresnel + sprey (globe-webgl.js) — 2D tozun üstüne bindirilir */
#globe-fx-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  z-index: 4;
  pointer-events: none;
  display: block;
}

/* Floating cards katmanı */
#floating-cards-layer {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  z-index: 6;
  pointer-events: none;
}

/* Floating skill cards — floating-cards-layer içinde */
.floating-card {
  position: absolute;
  padding: 0.45rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  background: rgba(76,29,149,0.18);
  border: 1px solid rgba(168,85,247,0.28);
  border-radius: 8px;
  backdrop-filter: blur(12px);
  color: var(--clr-text-primary);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  animation: float-gentle 5s ease-in-out infinite;
}

.floating-card:nth-child(even) { animation-delay: -2.5s; }
.floating-card:nth-child(3n)   { animation-delay: -1.0s; }
.floating-card:nth-child(4n)   { animation-delay: -3.5s; }

@keyframes float-gentle {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-9px); }
}

/* ═══════════════════════════════════════════════════════════
   SECTION 01: HERO
   Gezegen sol-üstte arka planda — metin sağ tarafa yaslanmış
═══════════════════════════════════════════════════════════ */
.hero-content {
  display: flex;
  align-items: center;
  justify-content: flex-end;  /* sağ tarafa it */
  height: 100%;
  max-height: 100dvh;
}

.hero-text {
  max-width: 520px;
  background: rgba(2,0,12,0.30);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-radius: 16px;
  padding: 2rem 2.5rem;
  border: 1px solid rgba(255,255,255,0.05);
}

/* Diğer section'larda da metni gezegenden uzaklaştır */
.about-content,
.skills-content,
.experience-content,
.contact-content {
  transition: padding-left 1.8s ease, padding-right 1.8s ease;
}

/* Sol gezegen → içerik sağa */
.section[data-index="0"] .section-content,
.section[data-index="2"] .section-content {
  margin-left: auto;
  margin-right: 0;
}

/* Sağ gezegen → içerik sola */
.section[data-index="1"] .section-content,
.section[data-index="3"] .section-content {
  margin-left: 0;
  margin-right: auto;
}

.hero-label {
  margin-bottom: 1rem;
  opacity: 0;
}

.hero-name {
  font-size: clamp(4.5rem, 10vw, 9rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.9;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #c4b5fd 40%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
}

.hero-tagline {
  font-size: clamp(1.1rem, 2.2vw, 1.6rem);
  font-weight: 300;
  line-height: 1.4;
  color: rgba(241,245,249,0.65);
  margin-bottom: 2.5rem;
  opacity: 0;
}

.tagline-accent {
  color: var(--clr-accent-violet);
  font-weight: 500;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
}

.cta-primary {
  padding: 0.75rem 1.8rem;
  background: linear-gradient(135deg, var(--clr-accent-blue), var(--clr-accent-purple));
  color: #fff;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: all 0.3s var(--ease-expo);
  box-shadow: 0 0 20px var(--clr-glow-blue);
}

.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 30px var(--clr-glow-purple);
}

.cta-ghost {
  padding: 0.75rem 1.8rem;
  border: 1px solid var(--clr-glass-border);
  color: var(--clr-text-primary);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: all 0.3s var(--ease-expo);
  background: var(--clr-glass-bg);
  backdrop-filter: blur(8px);
}

.cta-ghost:hover {
  border-color: rgba(168,85,247,0.5);
  color: var(--clr-accent-violet);
  transform: translateY(-2px);
}

/* ═══════════════════════════════════════════════════════════
   SECTION 02: ABOUT
═══════════════════════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: start;
}

.about-text {
  padding: 2rem;
}

.about-lead {
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: 1rem;
  color: var(--clr-text-primary);
}

.about-text p:not(.about-lead) {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(241,245,249,0.6);
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stat-card {
  padding: 1.2rem 1.8rem;
  text-align: center;
  min-width: 130px;
}

.stat-number {
  display: block;
  font-size: 2.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--clr-accent-blue), var(--clr-accent-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.4rem;
}

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

/* ═══════════════════════════════════════════════════════════
   SECTION 03: SKILLS
═══════════════════════════════════════════════════════════ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.skill-category {
  padding: 1.8rem;
}

.skill-category h3 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent-violet);
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
}

.skill-item {
  margin-bottom: 1.1rem;
}

.skill-item span {
  display: block;
  font-size: 0.82rem;
  color: rgba(241,245,249,0.75);
  margin-bottom: 0.35rem;
}

.skill-bar {
  height: 2px;
  background: rgba(255,255,255,0.07);
  border-radius: 2px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--clr-accent-blue), var(--clr-accent-violet));
  border-radius: 2px;
  box-shadow: 0 0 8px var(--clr-glow-purple);
  transition: width 1.2s var(--ease-expo);
}

/* ═══════════════════════════════════════════════════════════
   SECTION 04: EXPERIENCE
═══════════════════════════════════════════════════════════ */
.experience-content {
  max-width: 860px;
}

.timeline {
  position: relative;
  padding-left: 1rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0.5rem; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom,
    var(--clr-accent-violet) 0%,
    rgba(168,85,247,0.1) 100%
  );
}

.timeline-item {
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: 2rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -5px;
  top: 1.5rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--clr-bg-deep);
  border: 2px solid var(--clr-text-muted);
  transition: all 0.4s var(--ease-expo);
}

.timeline-item.active .timeline-dot {
  border-color: var(--clr-accent-violet);
  background: var(--clr-accent-violet);
  box-shadow: 0 0 12px var(--clr-glow-purple);
}

.timeline-date {
  display: block;
  margin-bottom: 0.75rem;
  opacity: 0.6;
}

.timeline-content {
  padding: 1.5rem 1.8rem;
}

.timeline-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.timeline-content h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--clr-accent-violet);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  font-weight: 400;
}

.timeline-content ul {
  padding-left: 1.1rem;
  list-style: disc;
}

.timeline-content ul li {
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(241,245,249,0.65);
  margin-bottom: 0.35rem;
  padding-left: 0.3rem;
}

.timeline-content ul li::marker {
  color: rgba(168,85,247,0.5);
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.1rem;
}

.timeline-tags span {
  padding: 0.2rem 0.7rem;
  border: 1px solid var(--clr-glass-border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--clr-accent-violet);
  letter-spacing: 0.06em;
  background: rgba(168,85,247,0.06);
}

/* ═══════════════════════════════════════════════════════════
   SECTION 05: CONTACT
═══════════════════════════════════════════════════════════ */
.contact-content {
  max-width: 860px;
}

.contact-lead {
  font-size: 1rem;
  color: rgba(241,245,249,0.55);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-bottom: 3rem;
}

.contact-card {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: all 0.3s var(--ease-expo);
  cursor: pointer;
}

.contact-card:hover {
  border-color: rgba(168,85,247,0.4);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(124,58,237,0.15);
}

.contact-icon {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  color: var(--clr-accent-violet);
}

.contact-type {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
}

.contact-value {
  font-size: 0.82rem;
  color: rgba(241,245,249,0.7);
  word-break: break-all;
}

#footer-sig {
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid var(--clr-glass-border);
}

#footer-sig .mono-label {
  opacity: 0.3;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .hero-content { justify-content: center; }
  .hero-text { text-align: center; max-width: 100%; }
  .hero-cta-group { justify-content: center; }

  .section[data-index="0"] .section-content,
  .section[data-index="1"] .section-content,
  .section[data-index="2"] .section-content,
  .section[data-index="3"] .section-content {
    margin-left: auto;
    margin-right: auto;
  }

    /* Yetenekler: ağır backdrop-filter — kara delik + canvas ile birlikte kasmayı azaltır */
  #section-skills .glass-card {
    backdrop-filter: blur(10px) saturate(130%);
    -webkit-backdrop-filter: blur(10px) saturate(130%);
  }

  .skills-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-stats { flex-direction: row; flex-wrap: wrap; }

  .floating-card { display: none; }
  #hud-skills-strip { max-width: min(340px, 52vw); }
  .hud-strip-line { font-size: 0.58rem; }
}

@media (max-width: 600px) {
  :root {
    --page-pad-x: 1.5rem;
    --page-pad-y: 1rem;
  }

  .section-content { padding: 5rem 1.5rem 4rem; }
  #hud-skills-strip {
    max-width: calc(100vw - 7.5rem);
  }
  .hud-strip-line { font-size: 0.52rem; line-height: 1.35; }
  .hud-strip-label { font-size: 0.5rem; }
}