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

:root {
  --bg:      #0d1117;
  --bg2:     #111a22;
  --card:    #16202c;
  --card2:   #1a2535;
  --border:  rgba(16,217,138,.1);
  --border2: rgba(255,255,255,.06);
  --text:    #dde8f0;
  --muted:   #6b8299;
  --accent:  #10d98a;
  --accent2: #00ffb3;
  --accent3: #059669;
  --grad:    linear-gradient(135deg, #10d98a, #00ffb3);
  --grad2:   linear-gradient(135deg, #059669, #10d98a);
  --radius:  18px;
  --glow:    0 0 40px rgba(16,217,138,.25);
  --glow-lg: 0 0 80px rgba(16,217,138,.2), 0 0 160px rgba(16,217,138,.08);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.1rem 2.5rem;
  background: rgba(13,17,23,.75);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(16,217,138,.08);
  transition: padding .3s;
}
.nav.scrolled { padding: .7rem 2.5rem; }

@keyframes logoShimmer {
  0%   { background-position: 0%   center; }
  100% { background-position: 200% center; }
}
@keyframes logoGlow {
  0%,100% { filter: drop-shadow(0 0 6px rgba(16,217,138,.4)); }
  50%     { filter: drop-shadow(0 0 18px rgba(16,217,138,.9)); }
}

.logo {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: .22em;
  text-decoration: none;
  flex-shrink: 0;
  background: linear-gradient(
    90deg,
    #059669 0%,
    #10d98a 28%,
    #c8fff0 50%,
    #10d98a 72%,
    #059669 100%
  );
  background-size: 220% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logoShimmer 3.5s linear infinite, logoGlow 4s ease-in-out infinite;
}
.logo:hover { letter-spacing: .28em; transition: letter-spacing .4s ease; }

.nav-links { display: flex; gap: 2rem; list-style: none; margin-left: auto; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--accent); }

.lang-switcher {
  position: relative;
}
.lang-toggle {
  background: rgba(16,217,138,.08);
  border: 1px solid rgba(16,217,138,.2);
  color: var(--accent);
  padding: .3rem .85rem;
  border-radius: 8px;
  font-size: .8rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: .06em;
  transition: all .2s;
  white-space: nowrap;
}
.lang-toggle:hover { background: rgba(16,217,138,.18); box-shadow: var(--glow); }
.lang-switcher.open .lang-toggle { background: rgba(16,217,138,.18); box-shadow: var(--glow); }

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #161c26;
  border: 1px solid rgba(16,217,138,.18);
  border-radius: 10px;
  padding: .35rem;
  list-style: none;
  margin: 0;
  min-width: 72px;
  box-shadow: 0 8px 32px rgba(0,0,0,.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
  z-index: 200;
}
.lang-switcher.open .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-option {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: .45rem .75rem;
  border-radius: 7px;
  cursor: pointer;
  font-size: .82rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .05em;
  transition: background .15s, color .15s;
}
.lang-option span {
  font-weight: 400;
  font-size: .78rem;
  color: var(--muted);
  opacity: .7;
}
.lang-option:hover {
  background: rgba(16,217,138,.1);
  color: var(--accent2);
}
.lang-option:hover span { color: var(--accent); opacity: 1; }
.lang-option.active {
  color: var(--accent);
}
.lang-option.active span { color: var(--accent); opacity: .75; }

.burger { display: none; background: none; border: none; color: var(--text); font-size: 1.4rem; cursor: pointer; }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 2.5rem 5rem;
  gap: 5rem;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

#constellation {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.glow { position: absolute; border-radius: 50%; filter: blur(120px); }
.glow-1 { width: 500px; height: 500px; background: #10d98a; opacity: .12; top: -80px; left: -60px; }
.glow-2 { width: 350px; height: 350px; background: #059669; opacity: .1; bottom: 0; right: 5%; }

/* pulse animation on glow blobs */
@keyframes pulse {
  0%, 100% { opacity: .12; transform: scale(1); }
  50%       { opacity: .2;  transform: scale(1.12); }
}
.glow-1 { animation: pulse 6s ease-in-out infinite; }
.glow-2 { animation: pulse 8s 2s ease-in-out infinite; }

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 580px;
  flex: 1;
}
/* subtle dark backdrop to keep text readable over the constellation */
.hero-content::before {
  content: '';
  position: absolute;
  inset: -3rem -5rem;
  background: radial-gradient(ellipse at 35% 45%, rgba(13,17,23,.65) 0%, transparent 72%);
  pointer-events: none;
  z-index: -1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(16,217,138,.1);
  border: 1px solid rgba(16,217,138,.25);
  color: var(--accent2);
  padding: .35rem 1rem;
  border-radius: 100px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

.hero-title {
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.03em;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 20px rgba(16,217,138,.4));
}

.hero-sub {
  color: #95afc0;
  font-size: 1.08rem;
  line-height: 1.75;
  max-width: 480px;
  margin-bottom: 2.5rem;
}

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

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  padding: .9rem 2rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: .95rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all .25s;
  font-family: inherit;
}
.btn-primary {
  background: var(--grad);
  color: #021a10;
  box-shadow: 0 0 30px rgba(16,217,138,.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 60px rgba(16,217,138,.5);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border2);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ── HERO VISUAL ── */
.hero-visual { position: relative; z-index: 1; flex-shrink: 0; }

.device-frame {
  width: 320px;
  background: var(--card);
  border: 1px solid rgba(16,217,138,.15);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--glow-lg), 0 30px 60px rgba(0,0,0,.5);
}

/* inner glow ring */
.device-frame::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 21px;
  background: linear-gradient(135deg, rgba(16,217,138,.3), transparent 60%);
  z-index: -1;
}

.device-screen {
  padding: 1.75rem;
  background: #0a0f14;
  font-family: 'Courier New', monospace;
  font-size: .82rem;
  line-height: 2;
}

.cl-green  { color: #10d98a; }
.cl-teal   { color: #00ffb3; }
.cl-blue   { color: #79c0ff; }
.cl-white  { color: #cdd9e5; }
.cl-gray   { color: #3d5166; }
.cl-orange { color: #ffa657; }

/* ── SECTIONS ── */
.section { padding: 6rem 0; }
.section--dark { background: var(--bg2); }

.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 2.5rem; }

.section-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .75rem;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -.025em;
  margin-bottom: 3rem;
}

/* ── SERVICES ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
  transition: transform .35s, box-shadow .35s, border-color .35s;
  cursor: default;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(16,217,138,.25);
  box-shadow: 0 20px 60px rgba(0,0,0,.4), 0 0 40px rgba(16,217,138,.08);
}

/* visual area on top of each card */
.service-visual {
  height: 160px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sv-mobile  { background: linear-gradient(135deg, #0d1e16 0%, #102d20 100%); }
.sv-desktop { background: linear-gradient(135deg, #0d1820 0%, #102035 100%); }
.sv-web     { background: linear-gradient(135deg, #141020 0%, #1c1535 100%); }

/* floating glow dot behind icon */
.service-visual::before {
  content: '';
  position: absolute;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: var(--accent);
  opacity: .08;
  filter: blur(30px);
  animation: pulse 4s ease-in-out infinite;
}

.service-visual svg {
  width: 64px; height: 64px;
  position: relative; z-index: 1;
  filter: drop-shadow(0 0 16px rgba(16,217,138,.5));
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
.service-card:nth-child(2) .service-visual svg { animation-delay: 1.3s; }
.service-card:nth-child(3) .service-visual svg { animation-delay: 2.6s; }

.service-body { padding: 1.5rem 1.75rem 1.75rem; }
.service-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: .5rem; }
.service-body p  { color: var(--muted); font-size: .9rem; line-height: 1.6; }

/* ── PORTFOLIO ── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.portfolio-card {
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.portfolio-card:hover {
  transform: translateY(-5px);
  border-color: rgba(16,217,138,.2);
  box-shadow: 0 20px 50px rgba(0,0,0,.4), 0 0 30px rgba(16,217,138,.07);
}

.portfolio-thumb { height: 200px; position: relative; }
.thumb-1 { background: linear-gradient(135deg, #061a10, #0e3d24, #10d98a40); }
.thumb-2 { background: linear-gradient(135deg, #061218, #0e3040, #00b4d840); }
.thumb-3 { background: linear-gradient(135deg, #100614, #2a0e40, #8b5cf640); }

/* thumb mock screens */
.thumb-mockup {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.thumb-mockup svg {
  width: 80px; height: 80px;
  opacity: .35;
}

.thumb-overlay {
  position: absolute; inset: 0;
  display: flex; align-items: flex-end;
  padding: 1rem 1.25rem;
  background: linear-gradient(to top, rgba(0,0,0,.65), transparent);
}

.portfolio-type {
  background: rgba(16,217,138,.15);
  border: 1px solid rgba(16,217,138,.3);
  color: var(--accent2);
  padding: .22rem .7rem;
  border-radius: 6px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
}

.portfolio-info { padding: 1.25rem 1.5rem; }
.portfolio-info h4 { font-size: 1rem; font-weight: 700; margin-bottom: .35rem; }
.portfolio-info p  { color: var(--muted); font-size: .85rem; }

/* ── ABOUT ── */
.about-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
}
.about-text p { color: var(--muted); margin-bottom: 1rem; max-width: 500px; }

.about-stats { display: flex; flex-direction: column; gap: 2rem; }

.stat { text-align: center; display: flex; flex-direction: column; gap: .3rem; }
.stat-num {
  font-size: 3rem; font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 12px rgba(16,217,138,.4));
  line-height: 1;
}
.stat-label { font-size: .78rem; color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: .1em; }

/* ── CONTACT ── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-info p { color: var(--muted); margin-bottom: 2rem; }

.contact-links { display: flex; flex-direction: column; gap: 1rem; }
.contact-link {
  display: flex; align-items: center; gap: .75rem;
  color: var(--text); text-decoration: none; font-weight: 500;
  transition: color .2s;
}
.contact-link:hover { color: var(--accent); }
.contact-link-icon {
  width: 38px; height: 38px;
  background: rgba(16,217,138,.1);
  border: 1px solid rgba(16,217,138,.15);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}

.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }

/* ── Service type selector ── */
.service-select {
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem 1.2rem;
}
.service-select__label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .85rem;
}
.service-select__chips {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
}
.svc-chip {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--muted);
  padding: .5rem 1.1rem;
  border-radius: 100px;
  font-size: .85rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all .2s;
}
.svc-chip:hover {
  border-color: rgba(16,217,138,.35);
  color: var(--text);
}
.svc-chip.active {
  background: rgba(16,217,138,.12);
  border-color: var(--accent);
  color: var(--accent2);
  box-shadow: 0 0 14px rgba(16,217,138,.15);
}
.form-group { position: relative; }
.form-input {
  width: 100%;
  background: var(--card2);
  border: 1px solid var(--border2);
  border-radius: 12px;
  padding: 1.8rem 1.2rem .8rem;
  color: var(--text);
  font-family: inherit; font-size: .95rem;
  outline: none; resize: none;
  transition: border-color .2s, box-shadow .2s;
}
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(16,217,138,.1); }
.form-label {
  position: absolute; left: 1.2rem;
  top: 50%; transform: translateY(-50%);
  font-size: .95rem; color: var(--muted);
  pointer-events: none; transition: all .2s;
}
.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label {
  top: .55rem; transform: translateY(0); font-size: .7rem; color: var(--accent);
}
.form-textarea + .form-label {
  top: 1.15rem; transform: none;
}
.form-textarea:focus + .form-label,
.form-textarea:not(:placeholder-shown) + .form-label {
  top: .55rem; transform: none; font-size: .7rem; color: var(--accent);
}
.form-textarea { min-height: 120px; }

/* ── PORTFOLIO TEASER ── */
.portfolio-teaser { text-align: center; }
.portfolio-teaser__sub {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 480px;
  margin: 0 auto 2rem;
}

/* ── FOOTER ── */
.footer { border-top: 1px solid var(--border2); padding: 1.5rem 0; }
.footer-inner {
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.footer-copy { color: var(--muted); font-size: .85rem; }

/* ── MOBILE ── */
@media (max-width: 900px) {
  .hero { flex-direction: column; text-align: center; padding-top: 8rem; gap: 3rem; }
  .hero-sub { margin: 0 auto 2.5rem; }
  .hero-cta { justify-content: center; }
  .hero-visual { width: 100%; display: flex; justify-content: center; }
  .device-frame { width: 100%; max-width: 320px; }
  .about-layout { grid-template-columns: 1fr; }
  .about-stats { flex-direction: row; justify-content: center; }
  .contact-layout { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .burger { display: block; margin-left: auto; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid rgba(16,217,138,.08);
    padding: 1rem 2.5rem 1.5rem; gap: 1rem;
  }
}
@media (max-width: 500px) {
  .container { padding: 0 1.25rem; }
  .nav { padding: 1rem 1.25rem; }
  .section { padding: 4rem 0; }
  .hero { padding: 7rem 1.25rem 3rem; }
}

/* ── SCROLL REVEAL ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-content > * { animation: fadeUp .7s ease both; }
.badge        { animation-delay: .1s; }
.hero-title   { animation-delay: .2s; }
.hero-sub     { animation-delay: .3s; }
.hero-cta     { animation-delay: .4s; }
.hero-visual  { animation: fadeUp .8s .45s ease both; }

/* ── GLOW RING on accent elements ── */
@keyframes glowRing {
  0%,100% { box-shadow: 0 0 20px rgba(16,217,138,.2); }
  50%     { box-shadow: 0 0 40px rgba(16,217,138,.45); }
}
.btn-primary { animation: glowRing 3s ease-in-out infinite; }