/* ============================================
   YOUNG INNOVATION TECHNOLOGY — Global Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

:root {
  --bg-deep:       #050c18;
  --bg-dark:       #080f1f;
  --bg-card:       #0d1a2e;
  --bg-card2:      #0e1f36;
  --accent-blue:   #00c8ff;
  --accent-green:  #00ff88;
  --accent-orange: #ff6b35;
  --text-primary:  #e8f4fd;
  --text-muted:    #6a8aad;
  --border:        rgba(0, 200, 255, 0.15);
  --glow-blue:     rgba(0, 200, 255, 0.25);
  --glow-green:    rgba(0, 255, 136, 0.2);
  --nav-height:    72px;
  --radius:        12px;
  --transition:    0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.7;
}

/* ── Circuit bg ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* ══════════════════════════════════════
   NAV
══════════════════════════════════════ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(5, 12, 24, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1rem, 5vw, 3rem);
  z-index: 1000;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 900;
  font-size: .9rem;
  color: var(--bg-deep);
  flex-shrink: 0;
}

.nav-logo-text {
  font-family: 'Syne', sans-serif;
  font-size: .85rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}
.nav-logo-text span { color: var(--accent-blue); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: .05em;
  position: relative;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent-blue);
  border-radius: 2px;
  transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--accent-blue); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
  color: var(--bg-deep) !important;
  padding: 8px 20px !important;
  border-radius: 6px !important;
  font-weight: 600 !important;
  transition: opacity var(--transition), transform var(--transition) !important;
}
.nav-cta:hover { opacity: .85; transform: translateY(-1px); }
.nav-cta::after { display: none !important; }

/* hamburger */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none; border: none; padding: 4px;
}
.nav-burger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ══════════════════════════════════════
   PAGE WRAPPER
══════════════════════════════════════ */
.page-wrapper {
  position: relative;
  z-index: 1;
  padding-top: var(--nav-height);
}

/* ══════════════════════════════════════
   SECTIONS
══════════════════════════════════════ */
section { padding: clamp(4rem, 8vw, 7rem) clamp(1rem, 5vw, 3rem); }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Syne', sans-serif;
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 1.2rem;
}
.section-tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-blue);
  animation: pulse 2s infinite;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.2rem;
  background: linear-gradient(135deg, var(--text-primary) 60%, var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 3rem;
}

.container { max-width: 1200px; margin: 0 auto; }

/* ══════════════════════════════════════
   HERO (index)
══════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 0 1rem;
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-blob-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,200,255,.18) 0%, transparent 70%);
  top: -100px; left: -150px;
  animation: blobFloat 8s ease-in-out infinite;
}
.hero-blob-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,255,136,.12) 0%, transparent 70%);
  bottom: 0; right: -100px;
  animation: blobFloat 10s ease-in-out infinite reverse;
}

.hero-content { position: relative; z-index: 2; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,200,255,.08);
  border: 1px solid rgba(0,200,255,.25);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: .8rem;
  color: var(--accent-blue);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  animation: fadeInDown .8s ease forwards;
}

.hero-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.2rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s .2s ease both;
}
.hero-title .word-blue { color: var(--accent-blue); }
.hero-title .word-green { color: var(--accent-green); }

.hero-desc {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  animation: fadeInUp 1s .4s ease both;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s .6s ease both;
}

/* ══════════════════════════════════════
   BUTTONS
══════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: .95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  letter-spacing: .03em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), #0088cc);
  color: #fff;
  box-shadow: 0 4px 24px rgba(0,200,255,.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,200,255,.45);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(0,200,255,.05);
}

.btn-green {
  background: linear-gradient(135deg, var(--accent-green), #00cc66);
  color: var(--bg-deep);
  box-shadow: 0 4px 24px var(--glow-green);
}
.btn-green:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,255,136,.4);
}

/* ══════════════════════════════════════
   CARDS
══════════════════════════════════════ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,200,255,.03), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.card:hover { transform: translateY(-4px); border-color: rgba(0,200,255,.35); box-shadow: 0 16px 48px rgba(0,0,0,.4), 0 0 0 1px rgba(0,200,255,.1); }
.card:hover::before { opacity: 1; }

.card-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
  background: linear-gradient(135deg, rgba(0,200,255,.15), rgba(0,255,136,.08));
  border: 1px solid rgba(0,200,255,.2);
}

.card-title {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: .6rem;
  color: var(--text-primary);
}

.card-text { font-size: .9rem; color: var(--text-muted); }

/* ══════════════════════════════════════
   GRID LAYOUTS
══════════════════════════════════════ */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

/* ══════════════════════════════════════
   STATS BAR
══════════════════════════════════════ */
.stats-bar {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 2rem clamp(1rem, 5vw, 3rem);
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  justify-content: center;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: 'Syne', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: .8rem; color: var(--text-muted); letter-spacing: .05em; text-transform: uppercase; }

/* ══════════════════════════════════════
   PAGE HERO (inner pages)
══════════════════════════════════════ */
.page-hero {
  padding: clamp(5rem, 10vw, 8rem) clamp(1rem, 5vw, 3rem) 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 200px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
}

/* ══════════════════════════════════════
   CONTACT FORM
══════════════════════════════════════ */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.form-grid .full { grid-column: 1 / -1; }

.form-group { display: flex; flex-direction: column; gap: .5rem; }

.form-label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.form-input, .form-select, .form-textarea {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 13px 16px;
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: .95rem;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-blue);
  background: rgba(0,200,255,.04);
  box-shadow: 0 0 0 3px rgba(0,200,255,.1);
}
.form-select option { background: var(--bg-dark); }
.form-textarea { resize: vertical; min-height: 130px; }

.form-status {
  margin-top: 1rem;
  padding: 12px 18px;
  border-radius: 8px;
  font-size: .9rem;
  display: none;
}
.form-status.success {
  display: block;
  background: rgba(0,255,136,.1);
  border: 1px solid rgba(0,255,136,.3);
  color: var(--accent-green);
}
.form-status.error {
  display: block;
  background: rgba(255,107,53,.1);
  border: 1px solid rgba(255,107,53,.3);
  color: var(--accent-orange);
}

/* ══════════════════════════════════════
   INFO CARD
══════════════════════════════════════ */
.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  height: fit-content;
}
.info-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.info-row:last-child { border-bottom: none; }
.info-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: rgba(0,200,255,.1);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.info-label { font-size: .78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 2px; }
.info-value { font-size: .95rem; font-weight: 500; }
.info-value a { color: var(--accent-blue); text-decoration: none; }
.info-value a:hover { text-decoration: underline; }

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 3rem clamp(1rem, 5vw, 3rem) 1.5rem;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2.5rem;
  max-width: 1200px;
  margin: 0 auto 2.5rem;
}
.footer-brand p { font-size: .88rem; color: var(--text-muted); margin-top: .8rem; max-width: 260px; }
.footer-col h4 {
  font-family: 'Syne', sans-serif;
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; }
.footer-col ul li + li { margin-top: .6rem; }
.footer-col a { text-decoration: none; font-size: .88rem; color: var(--text-muted); transition: color var(--transition); }
.footer-col a:hover { color: var(--text-primary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .8rem;
  max-width: 1200px;
  margin: 0 auto;
  font-size: .8rem;
  color: var(--text-muted);
}

/* ══════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -20px) scale(1.05); }
  66%       { transform: translate(-15px, 15px) scale(.95); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .3; }
}
@keyframes shimmer {
  from { background-position: -200% center; }
  to   { background-position: 200% center; }
}
@keyframes slideIn {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════════════
   MOBILE NAV
══════════════════════════════════════ */
@media (max-width: 768px) {
  .nav-burger { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-height); left: 0; right: 0;
    background: rgba(5,12,24,.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease, padding .3s ease;
  }
  .nav-links.open { max-height: 400px; padding: 1rem 0; }
  .nav-links li { width: 100%; text-align: center; }
  .nav-links a { display: block; padding: 14px 24px; font-size: 1rem; }

  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2rem; }
  .stats-bar { gap: 1rem; }
}

/* ══════════════════════════════════════
   ABOUT PAGE
══════════════════════════════════════ */
.team-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
}
.team-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
  display: flex; align-items: center; justify-content: center;
  font-family: 'Syne', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--bg-deep);
  border: 3px solid var(--bg-deep);
  box-shadow: 0 0 0 2px var(--accent-blue);
}
.team-name { font-family: 'Syne', sans-serif; font-size: .95rem; font-weight: 600; margin-bottom: .3rem; }
.team-role { font-size: .82rem; color: var(--accent-blue); }

.value-item {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  padding: 1.5rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,.02);
  border: 1px solid var(--border);
  transition: background var(--transition);
}
.value-item:hover { background: rgba(0,200,255,.04); }
.value-emoji { font-size: 1.8rem; flex-shrink: 0; margin-top: 2px; }
.value-title { font-weight: 600; margin-bottom: .3rem; color: var(--text-primary); }
.value-text { font-size: .9rem; color: var(--text-muted); }

/* ══════════════════════════════════════
   SERVICES PAGE
══════════════════════════════════════ */
.service-big-card {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: center;
  padding: 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 2rem;
  transition: all var(--transition);
}
.service-big-card:nth-child(even) { direction: rtl; }
.service-big-card:nth-child(even) > * { direction: ltr; }
.service-big-card:hover { border-color: rgba(0,200,255,.35); transform: translateY(-2px); }

.service-big-icon {
  font-size: 5rem;
  text-align: center;
  line-height: 1;
}

.service-tag {
  display: inline-block;
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-green);
  border: 1px solid rgba(0,255,136,.3);
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: .8rem;
}

.service-big-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: .8rem;
}
.service-features { list-style: none; display: flex; flex-direction: column; gap: .5rem; margin-top: 1rem; }
.service-features li {
  display: flex; align-items: center; gap: .6rem;
  font-size: .9rem; color: var(--text-muted);
}
.service-features li::before {
  content: '→';
  color: var(--accent-blue);
  font-size: .8rem;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .service-big-card { grid-template-columns: 1fr; direction: ltr !important; }
  .service-big-icon { font-size: 3rem; }
}

/* ══════════════════════════════════════
   MAP EMBED
══════════════════════════════════════ */
.map-container {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  height: 300px;
}
.map-container iframe { width: 100%; height: 100%; border: none; }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .82rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--accent-blue); text-decoration: none; }
.breadcrumb span { color: var(--text-muted); }

/* ══════════════════════════════════════
   LOGO IMAGE
══════════════════════════════════════ */
.nav-logo-img {
  height: 48px;
  width: auto;
  display: block;
  transition: opacity var(--transition);
}
.nav-logo:hover .nav-logo-img { opacity: .85; }

.footer-logo-img {
  height: 52px;
  width: auto;
  display: block;
}