/* ===================================================
   NABU.TR — Main Stylesheet
   Theme tokens in :root — swap for instant re-theme
=================================================== */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---- TOKENS ---- */
:root {
  --bg:          #080a0f;
  --bg2:         #0d1117;
  --card:        #111620;
  --card-h:      #161d2e;
  --accent:      #00d4ff;
  --accent2:     #7c3aed;
  --glow:        rgba(0,212,255,.13);
  --glow2:       rgba(124,58,237,.13);
  --text:        #e8eaf0;
  --text2:       #8892a4;
  --muted:       #4a5568;
  --border:      rgba(255,255,255,.06);
  --border-a:    rgba(0,212,255,.28);
  --f-display:   'Bebas Neue', sans-serif;
  --f-body:      'Outfit', sans-serif;
  --f-mono:      'JetBrains Mono', monospace;
  --nav-h:       68px;
  --max-w:       1240px;
  --ease:        cubic-bezier(.4,0,.2,1);
  --t:           .3s;
}

/* ---- 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(--f-body);line-height:1.6;overflow-x:hidden}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:var(--accent);border-radius:2px}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}

/* ---- CENTERING WRAPPER ---- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
}

/* ===================================================
   ANIMATED GRID BACKGROUND
=================================================== */
.grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
/* Energy mask that moves over the grid */
.grid-mask {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle,
    rgba(0,212,255,.07) 0%,
    rgba(0,212,255,.03) 35%,
    transparent 70%);
  animation: gridFloat var(--anim-speed, 20s) ease-in-out infinite alternate;
  pointer-events: none;
}
.grid-mask-2 {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle,
    rgba(124,58,237,.06) 0%,
    rgba(124,58,237,.02) 40%,
    transparent 70%);
  animation: gridFloat2 calc(var(--anim-speed, 20s) * 1.3) ease-in-out infinite alternate;
}
@keyframes gridFloat {
  0%   { transform: translate(-10%,  20%) }
  33%  { transform: translate(60%,  -5%) }
  66%  { transform: translate(80%,  60%) }
  100% { transform: translate(10%,  80%) }
}
@keyframes gridFloat2 {
  0%   { transform: translate(90%,  10%) }
  50%  { transform: translate(20%,  70%) }
  100% { transform: translate(110%, 40%) }
}
/* Noise overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: .35;
}

/* ===================================================
   NAVIGATION
=================================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(8,10,15,.82);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: background var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.navbar.scrolled {
  background: rgba(8,10,15,.97);
  box-shadow: 0 4px 40px rgba(0,0,0,.5);
}
.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--f-mono);
  font-size: 14px; font-weight: 700;
  color: #fff;
  position: relative; overflow: hidden;
  flex-shrink: 0;
}
.logo-icon img { width: 100%; height: 100%; object-fit: cover; border-radius: 9px; }
.logo-icon::after {
  content: '';
  position: absolute; top: -60%; left: -60%;
  width: 220%; height: 220%;
  background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,.14) 50%, transparent 60%);
  animation: logoShimmer 3.5s infinite;
}
@keyframes logoShimmer {
  0%   { transform: translate(-100%,-100%) rotate(45deg) }
  100% { transform: translate(100%, 100%) rotate(45deg) }
}
.logo-name {
  font-family: var(--f-display);
  font-size: 24px;
  letter-spacing: 3px;
  color: var(--text);
  line-height: 1;
}
.logo-name span { color: var(--accent) }
/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  color: var(--text2);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .4px;
  padding: 7px 13px;
  border-radius: 6px;
  transition: all var(--t) var(--ease);
  font-family: var(--f-mono);
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active { color: var(--accent); background: var(--glow) }
.nav-links .nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff !important;
  padding: 8px 18px;
  font-weight: 600;
}
.nav-links .nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0,212,255,.3);
  background: linear-gradient(135deg, var(--accent), var(--accent2)) !important;
}
/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  z-index: 1002;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: all var(--t) var(--ease);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px) }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0) }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px) }

/* ===================================================
   MOBILE MENU — FULL SCREEN OVERLAY
=================================================== */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000; /* above sidebar, below float-btns */
  opacity: 0;
  transition: opacity .4s var(--ease);
}
.mobile-overlay.open {
  display: flex;
  opacity: 1;
}
.mobile-overlay-bg {
  position: absolute; inset: 0;
  background: rgba(8,10,15,.96);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
}
/* Decorative lines */
.mobile-overlay-bg::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  width: 1px; height: 100%;
  background: linear-gradient(to bottom, var(--accent), transparent 60%);
  opacity: .15;
}
/* Mobile overlay close button */
.mobile-close-btn {
  position: fixed;
  top: 12px;
  right: 16px;
  z-index: 10002; /* always on top */
  width: 44px; height: 44px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--t) var(--ease);
  flex-direction: column;
  gap: 0;
}
.mobile-close-btn:hover {
  border-color: var(--border-a);
  background: var(--glow);
}
.mobile-close-btn span {
  display: block;
  width: 18px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--t) var(--ease);
}
.mobile-close-btn span:nth-child(1) { transform: rotate(45deg) translateY(1px) }
.mobile-close-btn span:nth-child(2) { transform: rotate(-45deg) translateY(-1px) }

.mobile-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--nav-h) + 32px) 32px 40px;
}
.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-nav-links a {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-family: var(--f-display);
  font-size: 28px;
  letter-spacing: 2px;
  color: var(--text2);
  transition: all var(--t) var(--ease);
  overflow: hidden;
  position: relative;
}
.mobile-nav-links a .mn-num {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--accent);
  opacity: .6;
  min-width: 28px;
}
.mobile-nav-links a:hover,
.mobile-nav-links a.active {
  color: var(--accent);
  background: var(--glow);
  border-color: var(--border-a);
}
.mobile-contact-strip {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mobile-contact-strip h4 {
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.mc-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text2);
}
.mc-item .mc-icon {
  width: 34px; height: 34px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}

/* ===================================================
   SIDEBAR
=================================================== */
.sidebar {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.sb-line {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, transparent, var(--accent));
}
.sb-line.bot {
  background: linear-gradient(to top, transparent, var(--accent));
}
.sb-dots { display: flex; flex-direction: column; gap: 10px; align-items: center }
.sb-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  border: 1px solid var(--muted);
  background: transparent;
  cursor: pointer;
  transition: all var(--t) var(--ease);
  position: relative;
}
.sb-dot::after {
  content: attr(data-label);
  position: absolute;
  right: 18px; top: 50%;
  transform: translateY(-50%);
  font-size: 9px;
  font-family: var(--f-mono);
  color: var(--accent);
  white-space: nowrap;
  opacity: 0;
  transition: all var(--t) var(--ease);
  pointer-events: none;
  letter-spacing: 1px;
}
.sb-dot:hover::after,
.sb-dot.active::after { opacity: 1; right: 14px }
.sb-dot:hover, .sb-dot.active {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  transform: scale(1.4);
}
.sb-label {
  writing-mode: vertical-rl;
  font-size: 8px;
  font-family: var(--f-mono);
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: color var(--t);
  margin-top: 4px;
}
.sb-label.active { color: var(--accent) }

/* ===================================================
   SECTION COMMON
=================================================== */
section {
  position: relative;
  z-index: 1;
  padding: 110px 0 90px;
}
#hero { padding-top: 0; min-height: 100vh }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-tag::before {
  content: '';
  display: block;
  width: 18px; height: 1px;
  background: var(--accent);
}
.section-title {
  font-family: var(--f-display);
  font-size: clamp(38px, 5.5vw, 74px);
  line-height: .95;
  letter-spacing: 2px;
  color: var(--text);
  margin-bottom: 18px;
}
.section-title .outline {
  color: transparent;
  -webkit-text-stroke: 1px var(--accent);
}
.section-desc {
  font-size: 15px;
  color: var(--text2);
  max-width: 500px;
  line-height: 1.75;
}

/* ===================================================
   HERO
=================================================== */
#hero {
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-wrap {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: center;
  padding-top: var(--nav-h);
  min-height: 100vh;
}
.hero-glow-1, .hero-glow-2 {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(130px);
}
.hero-glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,212,255,.07) 0%, transparent 70%);
  top: -80px; right: -60px;
}
.hero-glow-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(124,58,237,.07) 0%, transparent 70%);
  bottom: -60px; left: -60px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--glow);
  border: 1px solid var(--border-a);
  border-radius: 20px;
  padding: 5px 13px;
  font-size: 11px;
  font-family: var(--f-mono);
  color: var(--accent);
  margin-bottom: 26px;
  animation: fadeUp .8s ease both;
}
.badge-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.4;transform:scale(1.4)}
}
.hero-title {
  font-family: var(--f-display);
  font-size: clamp(56px, 8.5vw, 112px);
  line-height: .92;
  letter-spacing: 3px;
  margin-bottom: 22px;
  animation: fadeUp .8s .1s ease both;
}
.hero-title .l1 { display: block; color: var(--text) }
.hero-title .l2 { display: block; color: transparent; -webkit-text-stroke: 1.5px var(--accent) }
.hero-title .l3 {
  display: block;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 15px;
  color: var(--text2);
  max-width: 460px;
  line-height: 1.8;
  margin-bottom: 36px;
  animation: fadeUp .8s .2s ease both;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeUp .8s .3s ease both;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-size: 13px; font-weight: 600;
  padding: 13px 26px;
  border-radius: 8px;
  font-family: var(--f-mono);
  letter-spacing: .5px;
  transition: all var(--t) var(--ease);
  position: relative; overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute; top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.1), transparent);
  transition: left .5s;
}
.btn-primary:hover::before { left: 100% }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,212,255,.32) }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent;
  color: var(--text);
  font-size: 13px; font-weight: 500;
  padding: 13px 26px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-family: var(--f-mono);
  transition: all var(--t) var(--ease);
}
.btn-secondary:hover {
  border-color: var(--border-a);
  color: var(--accent);
  background: var(--glow);
}

/* Hero stats — single row, 3 equal columns */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 52px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
  animation: fadeUp .8s .4s ease both;
}
.stat-item {
  text-align: center;
  padding: 0 24px;
  position: relative;
}
.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  left: 0; top: 10%; bottom: 10%;
  width: 1px;
  background: var(--border);
}
.stat-num {
  font-family: var(--f-display);
  font-size: 50px;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 11px;
  color: var(--muted);
  font-family: var(--f-mono);
  letter-spacing: 1px;
  margin-top: 6px;
  line-height: 1.4;
}

/* Hero right — code card */
.hero-card-wrap { animation: fadeRight 1s .3s ease both }
.hero-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px;
  position: relative; overflow: hidden;
}
.hero-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}
.card-dots {
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 18px;
}
.cd { width: 10px; height: 10px; border-radius: 50% }
.cd-r{background:#ff5f57}.cd-y{background:#febc2e}.cd-g{background:#28c840}
.code-line { font-family: var(--f-mono); font-size: 11.5px; line-height: 2 }
.ck{color:#569cd6}.cs{color:#ce9178}.cv{color:var(--accent)}.cc{color:#6a9955}.cn{color:#b5cea8}
.card-metrics {
  margin-top: 18px; padding-top: 14px;
  border-top: 1px solid var(--border);
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.metric {
  background: rgba(0,212,255,.05);
  border: 1px solid rgba(0,212,255,.1);
  border-radius: 8px;
  padding: 10px 12px;
}
.metric-lbl { font-size: 9px; font-family: var(--f-mono); color: var(--muted); margin-bottom: 4px; letter-spacing: .5px }
.metric-val { font-family: var(--f-display); font-size: 22px; color: var(--accent); line-height: 1 }

/* ===================================================
   WEBSITE MOCKUP VISUAL (hero-like tilt card)
=================================================== */
.site-mockup-wrap {
  perspective: 1000px;
  display: flex;
  justify-content: center;
  margin-top: 40px;
}
.site-mockup {
  width: 100%;
  max-width: 680px;
  transform: rotateX(12deg) rotateY(-6deg) rotateZ(1deg);
  transform-style: preserve-3d;
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 40px 100px rgba(0,0,0,.6),
    0 0 0 1px rgba(0,212,255,.15),
    0 0 60px rgba(0,212,255,.05);
  transition: transform .8s var(--ease);
  position: relative;
}
.site-mockup img { width: 100%; height: auto; display: block }
.site-mockup-placeholder {
  width: 100%;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #111620 0%, #0d1117 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: var(--text2);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 1px;
}
.site-mockup-placeholder .ph-icon { font-size: 36px; opacity: .4 }
/* Scroll-driven tilt */
.site-mockup-wrap[data-tilt] .site-mockup {
  transform: rotateX(calc(12deg - var(--tilt-y, 0deg))) rotateY(calc(-6deg + var(--tilt-x, 0deg))) rotateZ(1deg);
}

/* ===================================================
   ADS GRAPH VISUAL
=================================================== */
.ads-visual {
  position: relative;
  height: 280px;
  overflow: hidden;
  border-radius: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 24px;
}
.ads-visual::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,212,255,.04), transparent);
  pointer-events: none;
}
.ads-chart-title {
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.ads-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 200px;
  position: relative;
  overflow: hidden;
  padding-bottom: 0;
}
/* Wrapper: flex column, full height, bar grows from bottom */
.ads-bar-wrap {
  flex: 1;
  min-width: 0;
  height: 100%;               /* fill container height */
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;  /* pin bar to bottom */
  align-items: stretch;
}
/* The visible colored bar — height % works because parent has explicit height */
.ads-bar-inner {
  background: linear-gradient(to top, var(--accent), var(--accent2));
  border-radius: 4px 4px 0 0;
  width: 100%;
  min-height: 6px;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
  /* height + transition set inline by JS */
}
/* Month label — vertical, inside bar, bottom-centered */
.ads-bar-label {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  font-size: 8px;
  font-family: var(--f-mono);
  color: rgba(0,0,0,0.5);
  font-weight: 700;
  letter-spacing: 0.5px;
  padding-bottom: 4px;
  user-select: none;
  pointer-events: none;
  line-height: 1;
}
/* Scroll arrow */
.ads-arrow {
  position: absolute;
  right: 28px; top: 24px;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  animation: arrowBounce 2s ease infinite;
}
.ads-arrow span {
  display: block; width: 1px;
  background: linear-gradient(to top, var(--accent), transparent);
  transition: height 1s ease;
}
.ads-arrow-head {
  width: 0; height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 8px solid var(--accent);
}
@keyframes arrowBounce {
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-6px)}
}

/* ===================================================
   ABOUT SECTION
=================================================== */
#about { background: var(--bg2) }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 48px;
}
.about-text p { font-size: 14px; color: var(--text2); line-height: 1.8; margin-bottom: 14px }
.about-hl { display: flex; flex-direction: column; gap: 10px; margin-top: 24px }
.hl-item {
  display: flex; align-items: center; gap: 12px;
  font-size: 13px; color: var(--text2);
}
.hl-icon {
  width: 30px; height: 30px;
  background: var(--glow);
  border: 1px solid var(--border-a);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; flex-shrink: 0;
}
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 10px;
}
.tech-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 10px;
  text-align: center;
  transition: all var(--t) var(--ease);
  cursor: default;
}
.tech-item:hover {
  border-color: var(--border-a);
  background: var(--glow);
  transform: translateY(-2px);
}
.ti-icon { font-size: 22px; margin-bottom: 6px }
.ti-name { font-size: 10px; font-family: var(--f-mono); color: var(--muted); display: block }

/* ===================================================
   SERVICES
=================================================== */
.services-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 52px;
  flex-wrap: wrap;
  gap: 24px;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 18px;
}
.srv-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 30px;
  transition: all var(--t) var(--ease);
  position: relative; overflow: hidden;
  cursor: default;
}
.srv-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0; transition: opacity var(--t);
}
.srv-card:hover {
  border-color: rgba(0,212,255,.18);
  background: var(--card-h);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,.3), 0 0 30px rgba(0,212,255,.04);
}
.srv-card:hover::before { opacity: 1 }
.srv-card.featured {
  border-color: rgba(0,212,255,.2);
  background: linear-gradient(135deg, var(--card) 0%, rgba(0,212,255,.025) 100%);
}
.srv-card.featured::after {
  content: 'POPÜLER';
  position: absolute; top: 14px; right: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; font-size: 8px;
  font-family: var(--f-mono); font-weight: 600; letter-spacing: 1px;
  padding: 3px 7px; border-radius: 4px;
}
.srv-icon {
  width: 50px; height: 50px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 22px;
  transition: transform var(--t) var(--ease);
}
.srv-card:hover .srv-icon { transform: scale(1.1) rotate(-5deg) }
.ic-cyan  { background: rgba(0,212,255,.1);  border: 1px solid rgba(0,212,255,.2) }
.ic-purple{ background: rgba(124,58,237,.1); border: 1px solid rgba(124,58,237,.2)}
.ic-green { background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.2)}
.ic-orange{ background: rgba(245,158,11,.1); border: 1px solid rgba(245,158,11,.2)}
.ic-pink  { background: rgba(236,72,153,.1); border: 1px solid rgba(236,72,153,.2)}
.ic-blue  { background: rgba(59,130,246,.1); border: 1px solid rgba(59,130,246,.2)}
.srv-title { font-family: var(--f-display); font-size: 20px; letter-spacing: 1px; color: var(--text); margin-bottom: 9px }
.srv-desc { font-size: 12.5px; color: var(--text2); line-height: 1.7; margin-bottom: 18px }
.srv-feats { list-style: none; display: flex; flex-direction: column; gap: 6px }
.srv-feats li {
  display: flex; align-items: center; gap: 7px;
  font-size: 11.5px; color: var(--muted);
  font-family: var(--f-mono);
}
.srv-feats li::before { content: '→'; color: var(--accent); font-size: 10px }

/* ===================================================
   PROCESS
=================================================== */
#process { background: var(--bg2) }
.process-tl {
  margin-top: 52px;
  position: relative;
}
.process-tl::before {
  content: '';
  position: absolute;
  left: 28px; top: 0; bottom: 0; width: 1px;
  background: linear-gradient(to bottom, var(--accent), var(--accent2), transparent);
}
.ps {
  display: flex; gap: 36px;
  padding-bottom: 44px;
  opacity: 0; transform: translateX(-20px);
  transition: opacity .6s ease, transform .6s ease;
}
.ps.visible { opacity: 1; transform: translateX(0) }
.ps-num {
  width: 56px; height: 56px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--f-display); font-size: 19px; color: var(--accent);
  flex-shrink: 0; position: relative; z-index: 2;
  transition: all var(--t) var(--ease);
}
.ps:hover .ps-num {
  background: var(--glow);
  border-color: var(--border-a);
  box-shadow: 0 0 18px rgba(0,212,255,.2);
}
.ps-body { padding-top: 10px; flex: 1 }
.ps-title { font-family: var(--f-display); font-size: 22px; letter-spacing: 1px; color: var(--text); margin-bottom: 7px }
.ps-desc { font-size: 13.5px; color: var(--text2); line-height: 1.7; max-width: 520px }

/* ===================================================
   WHY
=================================================== */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-top: 48px;
}
.why-points { display: flex; flex-direction: column; gap: 16px }
.why-pt {
  display: flex; gap: 18px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 18px;
  transition: all var(--t) var(--ease);
}
.why-pt:hover { border-color: var(--border-a); background: var(--card-h) }
.why-pt-icon { font-size: 22px; padding-top: 2px; flex-shrink: 0 }
.why-pt h4 { font-family: var(--f-display); font-size: 17px; letter-spacing: .5px; color: var(--text); margin-bottom: 5px }
.why-pt p { font-size: 13px; color: var(--text2); line-height: 1.6 }
/* Bar chart */
.why-visual {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 18px; padding: 32px; position: relative; overflow: hidden;
}
.why-visual::after {
  content: '';
  position: absolute; bottom: 0; right: 0;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(124,58,237,.1) 0%, transparent 70%);
  pointer-events: none;
}
.chart-hd { font-family: var(--f-mono); font-size: 10px; color: var(--muted); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 22px }
.bar-chart { display: flex; flex-direction: column; gap: 13px }
.bar-row { display: flex; align-items: center; gap: 12px }
.bar-lbl { font-size: 10px; font-family: var(--f-mono); color: var(--muted); width: 120px; flex-shrink: 0; text-align: right }
.bar-track { flex: 1; height: 7px; background: rgba(255,255,255,.04); border-radius: 4px; overflow: hidden }
.bar-fill {
  height: 100%; border-radius: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  width: 0%;
  transition: width 1.6s var(--ease);
}
.bar-fill.go { width: var(--tw) }
.bar-val { font-size: 10px; font-family: var(--f-mono); color: var(--accent); width: 38px }

/* ===================================================
   PROJECTS
=================================================== */
#projects { background: var(--bg2) }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
  margin-top: 52px;
}
.proj-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: all var(--t) var(--ease);
  cursor: default;
}
.proj-card:hover {
  border-color: var(--border-a);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0,0,0,.3);
}
.proj-img {
  aspect-ratio: 16/9;
  background: var(--bg);
  overflow: hidden;
  position: relative;
}
.proj-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease) }
.proj-card:hover .proj-img img { transform: scale(1.05) }
.proj-img-ph {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px; opacity: .3;
  background: linear-gradient(135deg, #111620, #0d1117);
}
.proj-body { padding: 20px }
.proj-cat { font-size: 10px; font-family: var(--f-mono); color: var(--accent); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 6px }
.proj-title { font-family: var(--f-display); font-size: 18px; letter-spacing: 1px; color: var(--text); margin-bottom: 8px }
.proj-desc { font-size: 12px; color: var(--text2); line-height: 1.6 }
.proj-empty {
  grid-column: 1/-1;
  text-align: center;
  padding: 60px;
  color: var(--muted);
  font-family: var(--f-mono);
  font-size: 13px;
  border: 1px dashed var(--border);
  border-radius: 14px;
}

/* ===================================================
   CONTACT
=================================================== */
#contact { background: var(--bg) }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  margin-top: 48px;
}
.contact-info h3 {
  font-family: var(--f-display); font-size: 26px; letter-spacing: 1px;
  color: var(--text); margin-bottom: 10px;
}
.contact-info > p { font-size: 13.5px; color: var(--text2); line-height: 1.7; margin-bottom: 28px; max-width: 340px }
.contact-items { display: flex; flex-direction: column; gap: 10px }
.c-item {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--text2); font-size: 13.5px;
  padding: 12px 14px;
  border-radius: 10px; border: 1px solid transparent;
  transition: all var(--t) var(--ease);
}
.c-item:hover { color: var(--accent); background: var(--glow); border-color: var(--border-a) }
.c-icon {
  width: 38px; height: 38px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; flex-shrink: 0;
  transition: all var(--t);
}
.c-item:hover .c-icon { background: var(--glow); border-color: var(--border-a) }
/* Form */
.contact-form-wrap {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 18px; padding: 34px; position: relative;
}
.contact-form-wrap::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 18px 18px 0 0;
}
.fg { margin-bottom: 16px }
.fg label {
  display: block;
  font-size: 10px; font-family: var(--f-mono); color: var(--muted);
  letter-spacing: 1px; text-transform: uppercase; margin-bottom: 7px;
}
.fg input, .fg textarea, .fg select {
  width: 100%;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 11px 14px;
  color: var(--text); font-family: var(--f-body); font-size: 13.5px;
  outline: none; transition: all var(--t) var(--ease);
  appearance: none;
}
.fg input:focus, .fg textarea:focus, .fg select:focus {
  border-color: var(--border-a);
  background: rgba(0,212,255,.025);
  box-shadow: 0 0 0 3px rgba(0,212,255,.07);
}
.fg input::placeholder, .fg textarea::placeholder { color: var(--muted) }
.fg textarea { resize: none; height: 100px }
.fg-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px }
.btn-send {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; border: none;
  padding: 13px; border-radius: 8px;
  font-size: 13px; font-weight: 600;
  font-family: var(--f-mono); letter-spacing: 1px;
  cursor: pointer; transition: all var(--t) var(--ease);
  margin-top: 4px; position: relative; overflow: hidden;
}
.btn-send:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,212,255,.28) }
.form-msg-ok {
  text-align: center; padding: 40px 0;
}
.form-msg-ok .ok-icon { font-size: 46px; margin-bottom: 14px }
.form-msg-ok h4 { font-family: var(--f-display); font-size: 22px; color: var(--accent); letter-spacing: 1px; margin-bottom: 6px }
.form-msg-ok p { color: var(--text2); font-size: 13px }
.form-err {
  background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.3);
  border-radius: 8px; padding: 11px 14px;
  font-size: 12.5px; color: #f87171; margin-bottom: 14px;
}

/* ===================================================
   FOOTER
=================================================== */
footer {
  position: relative; z-index: 1000; /* above float-btns (999) */
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.footer-main {
  padding: 48px 0 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.footer-brand-col {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 48px;
  border-right: 1px solid var(--border);
  gap: 14px;
}
.footer-logo-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--f-mono); font-size: 15px; font-weight: 700; color: #fff;
  flex-shrink: 0;
  position: relative; overflow: hidden;
}
.footer-logo-icon img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px }
.footer-brand-name {
  font-family: var(--f-display);
  font-size: 32px; letter-spacing: 4px; color: var(--text); line-height: 1;
}
.footer-brand-name span { color: var(--accent) }
.footer-brand-sub {
  font-family: var(--f-mono);
  font-size: 9px; color: var(--muted); letter-spacing: 3px;
  text-transform: uppercase; margin-top: 4px;
}
.footer-links-col {
  padding-left: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}
.footer-links-col a {
  font-family: var(--f-mono);
  font-size: 12px; color: var(--muted);
  letter-spacing: .5px;
  transition: color var(--t);
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 0;
}
.footer-links-col a::before { content: '→'; color: var(--accent); opacity: 0; transition: opacity var(--t) }
.footer-links-col a:hover { color: var(--accent) }
.footer-links-col a:hover::before { opacity: 1 }
.footer-copy {
  padding: 18px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 11px; font-family: var(--f-mono); color: var(--muted);
}
.footer-copy span { color: var(--accent) }

/* ===================================================
   FLOATING BUTTONS
=================================================== */
.float-btns {
  position: fixed; bottom: 26px; left: 22px;
  display: flex; flex-direction: column;
  gap: var(--fb-gap, 11px);
  z-index: 999; /* below mobile overlay */
}
.float-btn {
  width: var(--fb-size, 50px); height: var(--fb-size, 50px);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none;
  transition: all var(--t) var(--ease);
  position: relative;
  box-shadow: 0 4px 18px rgba(0,0,0,.4);
  flex-shrink: 0;
}
.float-btn::before {
  content: attr(data-tip);
  position: absolute; left: calc(var(--fb-size,50px) + 12px); top: 50%; transform: translateY(-50%);
  background: var(--card); border: 1px solid var(--border);
  color: var(--text); font-size: 11px; font-family: var(--f-mono);
  padding: 5px 11px; border-radius: 6px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: all var(--t);
}
.float-btn:hover::before { opacity: 1 }
.float-btn:hover { transform: scale(1.1) }
/* Brand colors */
.fb-wa        { background: #25d366 }
.fb-ph        { background: linear-gradient(135deg, var(--accent), var(--accent2)) }
.fb-instagram { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888) }
.fb-facebook  { background: #1877f2 }
.fb-tiktok    { background: #010101 }
.fb-youtube   { background: #ff0000 }
.float-btn svg { width: calc(var(--fb-size,50px) * 0.44); height: calc(var(--fb-size,50px) * 0.44); fill: #fff }
/* Pulse ring only for primary btns */
.fb-wa::after, .fb-ph::after {
  content: ''; position: absolute; inset: -4px;
  border-radius: 50%; border: 2px solid;
  animation: fPulse 2s ease infinite;
}
.fb-wa::after { border-color: #25d366 }
.fb-ph::after { border-color: var(--accent) }
@keyframes fPulse {
  0%{opacity:.7;transform:scale(1)}
  100%{opacity:0;transform:scale(1.6)}
}

/* ===================================================
   SCROLL ANIMATIONS
=================================================== */
@keyframes fadeUp   { from{opacity:0;transform:translateY(28px)}  to{opacity:1;transform:none} }
@keyframes fadeRight{ from{opacity:0;transform:translateX(36px)}  to{opacity:1;transform:none} }
.reveal { opacity:0; transform:translateY(26px); transition: opacity .7s ease, transform .7s ease }
.reveal.visible { opacity:1; transform:none }
.reveal-d1{transition-delay:.1s}.reveal-d2{transition-delay:.2s}.reveal-d3{transition-delay:.3s}

/* ===================================================
   RESPONSIVE
=================================================== */
@media (max-width: 1100px) {
  .container { padding: 0 32px }
  .hero-wrap  { grid-template-columns: 1fr }
  .hero-card-wrap { display: none }
  .services-grid { grid-template-columns: repeat(2,1fr) }
  .sidebar { right: 10px }
  .projects-grid { grid-template-columns: repeat(2,1fr) }
}
@media (max-width: 768px) {
  :root { --nav-h: 60px }
  .container { padding: 0 20px }
  section { padding: 70px 0 60px }
  #hero { min-height: 100vh; padding-top: 0 }
  .nav-links { display: none }
  .hamburger { display: flex }
  .hero-wrap { grid-template-columns: 1fr; gap: 0 }
  .hero-stats { grid-template-columns: repeat(3,1fr) }
  .stat-num { font-size: 36px }
  .stat-label { font-size: 9px }
  .about-grid, .why-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px }
  .services-grid, .projects-grid { grid-template-columns: 1fr }
  .services-header { flex-direction: column; align-items: flex-start }
  .fg-row { grid-template-columns: 1fr }
  .sidebar { display: none }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 0 }
  .footer-brand-col { padding-right: 20px; justify-content: flex-start }
  .footer-brand-name { font-size: 22px; letter-spacing: 2px }
  .footer-links-col { padding-left: 20px; flex-direction: column; gap: 6px }
  .footer-links-col a { font-size: 11px }
  .float-btns { bottom: 18px; left: 14px }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column }
  .btn-primary, .btn-secondary { justify-content: center }
  .hero-stats { gap: 0 }
}