/* Neo Sense Halo – Neon Studio
   Ana stil dosyası
   Referans: studio-gaufrettes tarzı, koyu neon arka plan + smooth animasyonlar
*/

:root {
  --bg: #050815;
  --bg-soft: #070b1f;
  --fg: #f9fbff;
  --muted: #a4b0d5;
  --accent: #8b5bff;
  --accent-soft: #5864ff;
  --accent-pink: #ff6ac3;
  --accent-teal: #36e4ff;
  --radius-lg: 32px;
  --shadow-soft: 0 32px 80px rgba(0,0,0,0.6);
}

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

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #151b3b 0, var(--bg) 45%, #020309 100%);
  color: var(--fg);
  min-height: 100vh;
  scroll-behavior: smooth;
}

img {
  max-width: 100%;
  display: block;
}

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

.container {
  width: min(1120px, 100% - 48px);
  margin-inline: auto;
}

/* HEADER */

.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(5,8,21,0.96), rgba(5,8,21,0.85), transparent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 13px;
}

.logo-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #76f6ff, #5975ff 45%, #0f122b 100%);
  box-shadow: 0 0 20px rgba(118,246,255,0.9);
}

.main-nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
}

.main-nav a {
  position: relative;
  color: var(--muted);
  padding-block: 4px;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-teal), var(--accent-pink));
  transition: width 0.25s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--fg);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  width: 100%;
}

/* SECTIONS */

.section {
  padding: 120px 0;
  position: relative;
}

.section-intro {
  padding-top: 160px;
  padding-bottom: 120px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  align-items: center;
  gap: 40px;
}

.eyebrow {
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #6b7bbd;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 14px;
}

h1, h2, h3 {
  font-family: "Space Grotesk", system-ui, sans-serif;
  margin: 0;
}

h1 {
  font-size: clamp(36px, 4vw, 44px);
  line-height: 1.05;
  margin-bottom: 18px;
}

h1 span {
  background: linear-gradient(90deg, #a2b6ff, #ff88f0);
  -webkit-background-clip: text;
  color: transparent;
}

h2 {
  font-size: clamp(28px, 3vw, 34px);
  margin-bottom: 12px;
}

h3 {
  font-size: 20px;
}

.intro-lead {
  color: var(--muted);
  max-width: 420px;
  font-size: 15px;
  line-height: 1.7;
}

.section-lead {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  max-width: 520px;
}

.section-lead.small {
  margin-top: 12px;
  opacity: 0.9;
}

/* BUTTONS */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border-radius: 999px;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}

.btn-primary {
  background: radial-gradient(circle at 25% 10%, #b6f5ff, #7e7bff 40%, #5232ff 100%);
  color: #050815;
  box-shadow: 0 18px 40px rgba(76,102,255,0.75);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 60px rgba(76,102,255,0.95);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(143,162,220,0.45);
  color: var(--fg);
}

.btn-ghost:hover {
  background: rgba(18,27,63,0.8);
}

.full-width {
  width: 100%;
}

.intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

/* ORBIT / HERO VISUAL */

.intro-orbit {
  position: relative;
  width: min(420px, 100%);
  aspect-ratio: 1 / 1;
  margin-inline: auto;
}

.orbit {
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

.orbit.aura {
  filter: blur(40px);
  background: radial-gradient(circle at 40% 10%, rgba(108,255,255,0.25), transparent 35%),
              radial-gradient(circle at 70% 90%, rgba(255,134,214,0.22), transparent 45%);
}

.orbit.ring {
  border: 14px solid transparent;
  background:
    conic-gradient(from 210deg, #61e7ff, #8c7dff, #ff86d0, #ffb36f, #61e7ff);
  -webkit-mask:
    radial-gradient(farthest-side, transparent calc(100% - 60px), #000 0);
  mask:
    radial-gradient(farthest-side, transparent calc(100% - 60px), #000 0);
  animation: spin 18s linear infinite;
}

.orbit.core {
  inset: 18%;
  background: radial-gradient(circle at 20% 10%, #2c3e73, #050712 70%);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.02),
    0 32px 80px rgba(0,0,0,0.9),
    0 0 80px rgba(129,161,255,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-monster {
  position: absolute;
  inset: 18%;
  object-fit: contain;
  transform-origin: center bottom;
}

.bubble {
  border: none;
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: default;
  background: radial-gradient(circle at 20% 0, #b0f2ff, #2573ff 60%, #060b1a 100%);
  color: #f7fbff;
  box-shadow:
    0 0 20px rgba(120,198,255,0.9),
    0 0 60px rgba(37,115,255,0.9);
}

/* SCROLL INDICATOR */

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-top: 80px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #7180c0;
}

.scroll-mouse {
  width: 22px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(118,135,215,0.7);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 6px;
  overflow: hidden;
}

.scroll-dot {
  width: 4px;
  height: 8px;
  border-radius: 999px;
  background: #9db3ff;
  animation: scrollDot 1.4s ease-in-out infinite;
}

/* DEVICES SECTION */

.section-head {
  max-width: 640px;
  margin-bottom: 36px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.device-card {
  background: radial-gradient(circle at top, #151c3e, #050815 70%);
  border-radius: var(--radius-lg);
  padding: 22px 22px 20px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(135,168,255,0.24);
}

.device-card p {
  color: var(--muted);
  font-size: 14px;
}

.device-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
  background: rgba(59,87,209,0.35);
  color: #c6d5ff;
}

.pill-list {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

/* EXPERIENCE SECTION */

.section-experience {
  background: radial-gradient(circle at top left, #1a2447, #050815 55%);
}

.experience-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 40px;
  align-items: center;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 14px;
  display: grid;
  gap: 6px;
}

.check-list li span {
  margin-right: 6px;
  color: var(--accent-teal);
}

.experience-panel {
  display: grid;
  gap: 18px;
}

.mini-orbit {
  position: relative;
  width: 180px;
  aspect-ratio: 1;
}

.mini-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 10px solid transparent;
  background: conic-gradient(#61e7ff, #9f7dff, #ff86d0, #61e7ff);
  -webkit-mask:
    radial-gradient(farthest-side, transparent calc(100% - 46px), #000 0);
  mask:
    radial-gradient(farthest-side, transparent calc(100% - 46px), #000 0);
  animation: spin 14s linear infinite;
}

.mini-monster {
  position: absolute;
  inset: 16%;
  object-fit: contain;
}

.experience-card {
  background: radial-gradient(circle at top, #1a2243, #050815 65%);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  border: 1px solid rgba(133,164,255,0.3);
  box-shadow: var(--shadow-soft);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.badge {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(70,98,215,0.55);
}

/* NEO LAB */

.section-neolab {
  background: radial-gradient(circle at center, #121a3a, #050815 70%);
}

.neolab-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: flex-start;
}

.neolab-stack {
  display: grid;
  gap: 16px;
}

.stack-card {
  background: radial-gradient(circle at top, #1d244b, #040815 70%);
  border-radius: 22px;
  padding: 16px 18px;
  border: 1px solid rgba(143,172,255,0.32);
  font-size: 14px;
  color: var(--muted);
}

/* CONTACT */

.section-contact {
  background: radial-gradient(circle at top, #10152f, #050815 70%);
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 40px;
  align-items: flex-start;
}

.contact-form {
  background: rgba(7,12,34,0.96);
  border-radius: var(--radius-lg);
  padding: 20px 20px 18px;
  border: 1px solid rgba(129,160,255,0.3);
  box-shadow: var(--shadow-soft);
}

.form-row {
  margin-bottom: 14px;
}

label {
  font-size: 13px;
  color: var(--muted);
  display: grid;
  gap: 6px;
}

input,
textarea {
  font: inherit;
  color: var(--fg);
  background: #050817;
  border-radius: 999px;
  border: 1px solid rgba(138,162,235,0.55);
  padding: 8px 12px;
  outline: none;
}

textarea {
  border-radius: 18px;
  resize: vertical;
}

input:focus-visible,
textarea:focus-visible {
  border-color: var(--accent-teal);
  box-shadow: 0 0 0 1px rgba(117,235,255,0.7);
}

.form-note {
  margin-top: 8px;
  font-size: 11px;
  color: #7f8ac2;
}

/* FOOTER */

.site-footer {
  border-top: 1px solid rgba(69,90,182,0.55);
  background: #040714;
  padding: 16px 0 20px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  color: #6b76a5;
  font-size: 12px;
}

/* ANIMATIONS */

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes scrollDot {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(8px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* REVEAL STATES */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */

@media (max-width: 960px) {
  .intro-grid,
  .experience-grid,
  .neolab-inner,
  .contact-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .intro-orbit {
    order: -1;
    margin-bottom: 32px;
  }

  .header-inner {
    gap: 16px;
  }

  .main-nav {
    gap: 18px;
    font-size: 13px;
  }

  .section {
    padding: 96px 0;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 32px, 640px);
  }

  .main-nav {
    display: none;
  }

  .intro-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .card-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-intro {
    padding-top: 132px;
  }
}