/* ============ Appilogy — Modern Dijital Tema ============ */
:root {
  --bg: #060913;
  --bg-soft: #0b1020;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --text: #e8ecf4;
  --text-dim: #93a0b8;
  --accent-1: #6366f1;
  --accent-2: #22d3ee;
  --accent-3: #a855f7;
  --gradient: linear-gradient(120deg, var(--accent-1), var(--accent-2), var(--accent-3));
  --radius: 18px;
  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

::selection { background: var(--accent-1); color: #fff; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ---------- Arka plan efektleri ---------- */
#particles {
  position: fixed;
  inset: 0;
  z-index: -2;
}

.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.22;
  z-index: -1;
  pointer-events: none;
  animation: float 14s ease-in-out infinite alternate;
}
.glow-1 { width: 520px; height: 520px; background: var(--accent-1); top: -140px; left: -120px; }
.glow-2 { width: 420px; height: 420px; background: var(--accent-3); top: 40%; right: -160px; animation-delay: -5s; }
.glow-3 { width: 380px; height: 380px; background: var(--accent-2); bottom: -140px; left: 30%; animation-delay: -9s; opacity: 0.14; }

@keyframes float {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(50px, 40px) scale(1.12); }
}

/* ---------- Navigasyon ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(6, 9, 19, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
}
.logo-mark { filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.8)); }
.logo-dot { color: var(--accent-2); }

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}
.nav-links a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -5px;
  width: 0; height: 2px;
  background: var(--gradient);
  transition: width 0.3s;
  border-radius: 2px;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:not(.nav-cta):hover::after { width: 100%; }

.nav-cta {
  padding: 9px 20px;
  border-radius: 999px;
  background: var(--gradient);
  background-size: 200% 200%;
  color: #fff !important;
  animation: gradientShift 6s ease infinite;
}

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: 120px 0 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  backdrop-filter: blur(8px);
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 28px;
}
.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #34d399;
  animation: pulse 1.8s ease infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6); }
  50% { box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 6.5vw, 4.6rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.gradient-text {
  background: var(--gradient);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientShift 6s ease infinite;
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Glitch efekti */
.glitch { position: relative; display: inline-block; }
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0;
}
.glitch::before { animation: glitchA 5s infinite steps(1); }
.glitch::after { animation: glitchB 5s infinite steps(1); }
@keyframes glitchA {
  0%, 92%, 100% { opacity: 0; transform: none; }
  93% { opacity: 0.75; transform: translate(-4px, 2px); clip-path: inset(10% 0 60% 0); }
  95% { opacity: 0.75; transform: translate(4px, -2px); clip-path: inset(50% 0 20% 0); }
}
@keyframes glitchB {
  0%, 93%, 100% { opacity: 0; transform: none; }
  94% { opacity: 0.75; transform: translate(5px, 1px); clip-path: inset(65% 0 5% 0); }
  96% { opacity: 0.75; transform: translate(-5px, -1px); clip-path: inset(0 0 75% 0); }
}

.hero-sub {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 36px;
}
.typed-wrap { color: var(--accent-2); font-weight: 600; white-space: nowrap; }
.cursor { animation: blink 0.9s steps(1) infinite; color: var(--accent-2); }
@keyframes blink { 50% { opacity: 0; } }

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform 0.25s, box-shadow 0.25s;
}
.btn-primary {
  background: var(--gradient);
  background-size: 200% 200%;
  color: #fff;
  animation: gradientShift 6s ease infinite;
  box-shadow: 0 8px 28px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 36px rgba(99, 102, 241, 0.5); }
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { transform: translateY(-3px); background: var(--surface-hover); }
.btn-arrow { transition: transform 0.25s; }
.btn:hover .btn-arrow { transform: translateX(4px); }
.btn-full { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.6; cursor: wait; transform: none; }

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label { font-size: 0.82rem; color: var(--text-dim); }
.stat-divider { width: 1px; height: 44px; background: var(--border); }

.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
}
.mouse {
  width: 26px; height: 42px;
  border: 2px solid var(--text-dim);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 7px;
  opacity: 0.6;
}
.wheel {
  width: 3px; height: 8px;
  background: var(--accent-2);
  border-radius: 3px;
  animation: wheel 1.6s ease infinite;
}
@keyframes wheel {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(12px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ---------- Bölümler ---------- */
.section { padding: 110px 0; position: relative; }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.section-tag {
  font-family: var(--font-head);
  color: var(--accent-2);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: 12px;
}
.section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4.2vw, 2.7rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.section-sub { color: var(--text-dim); margin-top: 14px; }

/* ---------- Hakkımda ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: start;
}
.about-text p { color: var(--text-dim); margin-bottom: 18px; font-size: 1.02rem; }

.terminal {
  margin-top: 26px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(3, 6, 14, 0.85);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  font-family: "Consolas", "SFMono-Regular", monospace;
  font-size: 0.88rem;
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid var(--border);
}
.t-dot { width: 11px; height: 11px; border-radius: 50%; }
.t-dot.red { background: #ff5f57; }
.t-dot.yellow { background: #febc2e; }
.t-dot.green { background: #28c840; }
.terminal-title { margin-left: 10px; color: var(--text-dim); font-size: 0.78rem; }
.terminal-body { padding: 16px 18px; }
.terminal-body p { margin: 4px 0; color: var(--text); }
.t-prompt { color: #34d399; margin-right: 8px; }
.t-out { color: var(--text-dim); padding-left: 18px; }
.t-blink { animation: blink 1s steps(1) infinite; color: var(--accent-2); }

.skills {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  backdrop-filter: blur(10px);
}
.skills h3 { font-family: var(--font-head); margin-bottom: 22px; font-size: 1.15rem; }
.skill { margin-bottom: 18px; }
.skill-top {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 7px;
}
.skill-bar {
  height: 7px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 999px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--gradient);
  background-size: 200% 100%;
  animation: gradientShift 4s linear infinite;
  transition: width 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.in-view .skill-fill { width: var(--w); }

.tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.tags span {
  padding: 6px 14px;
  font-size: 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.25s, color 0.25s, box-shadow 0.25s;
}
.tags span:hover {
  border-color: var(--accent-2);
  color: var(--accent-2);
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.25);
}

/* ---------- Kartlar ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  backdrop-filter: blur(10px);
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(500px circle at var(--mx, 50%) var(--my, 50%), rgba(99, 102, 241, 0.14), transparent 45%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.card:hover { transform: translateY(-7px); border-color: rgba(99, 102, 241, 0.5); box-shadow: 0 22px 44px rgba(0, 0, 0, 0.35); }
.card:hover::before { opacity: 1; }
.card-icon {
  font-size: 2.1rem;
  margin-bottom: 16px;
  display: inline-block;
  filter: drop-shadow(0 0 12px rgba(99, 102, 241, 0.45));
}
.card h3 { font-family: var(--font-head); font-size: 1.18rem; margin-bottom: 10px; }
.card p { color: var(--text-dim); font-size: 0.94rem; margin-bottom: 16px; }
.card-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.card-tags span {
  font-size: 0.74rem;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.14);
  color: #a5b4fc;
}
.card-special { border-style: dashed; border-color: rgba(34, 211, 238, 0.4); }
.card-link {
  color: var(--accent-2);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
}
.card-link:hover { text-decoration: underline; }

/* ---------- Süreç ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  backdrop-filter: blur(10px);
  transition: transform 0.3s, border-color 0.3s;
}
.step:hover { transform: translateY(-6px); border-color: rgba(168, 85, 247, 0.5); }
.step-num {
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.85;
  margin-bottom: 12px;
}
.step h3 { font-family: var(--font-head); font-size: 1.1rem; margin-bottom: 8px; }
.step p { color: var(--text-dim); font-size: 0.9rem; }

/* ---------- İletişim ---------- */
.contact-wrap { max-width: 720px; margin: 0 auto; }
.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 6px);
  padding: 40px;
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-dim);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(3, 6, 14, 0.6);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.25s, box-shadow 0.25s;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(147, 160, 184, 0.55); }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-1);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.18);
}

.form-status {
  margin-top: 16px;
  text-align: center;
  font-size: 0.92rem;
  min-height: 1.4em;
}
.form-status.ok { color: #34d399; }
.form-status.err { color: #f87171; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 34px 0;
  background: rgba(3, 6, 14, 0.6);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-brand { font-family: var(--font-head); font-weight: 700; font-size: 1.1rem; }
.footer-note { color: var(--text-dim); font-size: 0.85rem; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.in-view { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .nav-links {
    position: fixed;
    top: 62px; left: 0; right: 0;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 28px 0;
    background: rgba(6, 9, 19, 0.97);
    border-bottom: 1px solid var(--border);
    transform: translateY(-130%);
    transition: transform 0.35s ease;
    z-index: 99;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-toggle { display: block; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 22px; }
  .stat-divider { display: none; }
  .section { padding: 80px 0; }
  .typed-wrap { white-space: normal; }
}