/* =========================================================
   SkironJo · welcome site
   Modern dark UI · animated background · interactive cards
   ========================================================= */

:root {
  --bg-0:        #05081a;
  --bg-1:        #0a1330;
  --bg-2:        #142254;
  --brand-1:     #1f6bff;
  --brand-2:     #66b2ff;
  --brand-3:     #b9d6ff;
  --accent:      #7d5cff;
  --text:        #eef2fb;
  --text-dim:    #9aa6c7;
  --text-mute:   #6c789c;
  --line:        rgba(158, 200, 255, 0.12);
  --line-2:      rgba(158, 200, 255, 0.22);
  --panel:       rgba(15, 24, 60, 0.55);
  --panel-2:     rgba(20, 33, 80, 0.65);
  --shadow-lg:   0 30px 90px rgba(0, 0, 0, 0.55);
  --shadow-md:   0 14px 40px rgba(5, 8, 26, 0.6);
  --ease:        cubic-bezier(.2, .8, .2, 1);
  --radius-lg:   22px;
  --radius-md:   16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg-0);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
html { scroll-behavior: smooth; }

body {
  position: relative;
  min-height: 100vh;
  background:
    radial-gradient(ellipse at top, var(--bg-2) 0%, transparent 55%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%);
}

.wrap {
  width: min(1180px, 92%);
  margin: 0 auto;
}

a { color: var(--brand-2); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--brand-3); }

h1, h2, h3 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 .5rem;
  color: #fff;
}

/* ---------- Background stack ---------- */
.bg-stack { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .5;
  will-change: transform;
  animation: drift 22s ease-in-out infinite alternate;
}
.bg-orb--a { width: 520px; height: 520px; top: -120px; left: -120px;
  background: radial-gradient(circle, var(--brand-1) 0%, transparent 70%); }
.bg-orb--b { width: 640px; height: 640px; top: 25%; right: -200px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  animation-delay: -8s; }
.bg-orb--c { width: 480px; height: 480px; bottom: -160px; left: 25%;
  background: radial-gradient(circle, #1cc6ff 0%, transparent 70%);
  animation-delay: -14s; opacity: .35; }

.bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(158, 200, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(158, 200, 255, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}

.bg-noise {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.4 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: .035;
  mix-blend-mode: overlay;
}

@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 30px) scale(1.08); }
}

/* ---------- Cursor glow (follows mouse) ---------- */
.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 480px; height: 480px;
  margin: -240px 0 0 -240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(102, 178, 255, .18) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
  transform: translate3d(50vw, 50vh, 0);
  transition: transform .12s ease-out, opacity .3s ease;
  mix-blend-mode: screen;
}
@media (hover: none) { .cursor-glow { display: none; } }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  background: rgba(5, 8, 26, 0.65);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 0;
  gap: 1rem;
}
.site-brand {
  display: inline-flex; align-items: center; gap: .55rem;
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem; font-weight: 600; letter-spacing: -.01em;
}
.site-brand img {
  height: 26px; width: 26px;
  object-fit: contain;
  display: block;
}
.site-brand strong { color: var(--brand-2); font-weight: 700; }
.site-brand:hover { color: #fff; }

.site-nav { display: flex; gap: 1.75rem; }
.site-nav a {
  color: var(--text-dim); font-weight: 500; font-size: .92rem;
  position: relative; padding: .25rem 0;
}
.site-nav a::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: -4px;
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--brand-1), var(--brand-2));
  transition: right .25s var(--ease);
}
.site-nav a:hover { color: #fff; }
.site-nav a:hover::after { right: 0; }

.site-cta {
  display: inline-flex; align-items: center; gap: .4rem;
  background: linear-gradient(135deg, var(--brand-1), #4d8eff);
  color: #fff;
  padding: .55rem 1.05rem; border-radius: 999px;
  font-weight: 600; font-size: .88rem;
  box-shadow: 0 8px 24px rgba(31, 107, 255, .35);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.site-cta:hover {
  color: #fff;
  box-shadow: 0 14px 32px rgba(31, 107, 255, .55);
}

@media (max-width: 720px) { .site-nav { display: none; } }

/* ---------- Buttons ---------- */
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .9rem 1.5rem;
  border-radius: 999px;
  font-weight: 600; font-size: .98rem;
  border: none; cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
  position: relative; z-index: 1;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand-1) 0%, #4d8eff 60%, var(--accent) 130%);
  background-size: 200% 100%;
  box-shadow: 0 12px 36px rgba(31, 107, 255, .45),
              inset 0 1px 0 rgba(255, 255, 255, .2);
}
.btn-primary:hover {
  color: #fff; background-position: 100% 0;
  box-shadow: 0 18px 50px rgba(31, 107, 255, .6);
}
.btn-ghost {
  color: #fff;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line-2);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  color: #fff;
  background: rgba(255, 255, 255, .09);
  border-color: rgba(102, 178, 255, .4);
}
.magnetic { will-change: transform; }

/* ---------- Eyebrow + kicker ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .35rem .85rem;
  border-radius: 999px;
  background: rgba(102, 178, 255, .07);
  border: 1px solid rgba(102, 178, 255, .2);
  color: var(--brand-3);
  font-size: .76rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #44ff9a; box-shadow: 0 0 12px #44ff9a;
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .45; transform: scale(.8); }
}

.kicker {
  display: inline-block;
  font-size: .78rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--brand-2);
  margin-bottom: .85rem;
}

.grad {
  background: linear-gradient(120deg, var(--brand-2), var(--brand-3) 55%, #fff);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

/* ---------- Hero ---------- */
.hero {
  position: relative; z-index: 2;
  padding: 5rem 0 6rem;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 4rem;
  align-items: center;
}
@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
  .hero__cta, .hero__stats { justify-content: center; }
  .eyebrow { margin-left: auto; margin-right: auto; }
}

.hero__title {
  font-size: clamp(2.4rem, 5.4vw, 4.2rem);
  line-height: 1.05;
  margin-bottom: 1.25rem;
}

/* rotating word in hero title */
.grad-word {
  display: inline-grid;
  position: relative;
  vertical-align: baseline;
}
.grad-word > span {
  grid-area: 1 / 1;
  background: linear-gradient(120deg, var(--brand-2), var(--brand-3) 50%, #fff);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  opacity: 0;
  transform: translateY(28px);
  animation: rotateWord 9s infinite;
}
.grad-word > span:nth-child(1) { animation-delay: 0s; }
.grad-word > span:nth-child(2) { animation-delay: 3s; }
.grad-word > span:nth-child(3) { animation-delay: 6s; }
@keyframes rotateWord {
  0%   { opacity: 0; transform: translateY(28px); }
  6%   { opacity: 1; transform: translateY(0); }
  30%  { opacity: 1; transform: translateY(0); }
  36%  { opacity: 0; transform: translateY(-22px); }
  100% { opacity: 0; transform: translateY(-22px); }
}

.hero__lead {
  font-size: 1.1rem; color: var(--text-dim);
  max-width: 520px; margin: 0 0 2.25rem;
}
@media (max-width: 960px) { .hero__lead { margin-left: auto; margin-right: auto; } }

.hero__cta { display: flex; flex-wrap: wrap; gap: .85rem; margin-bottom: 3rem; }

.hero__stats {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 2.5rem;
}
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong {
  font-family: 'Space Grotesk', sans-serif;
  color: #fff; font-size: 1.4rem; font-weight: 700;
  background: linear-gradient(120deg, #fff, var(--brand-2));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero__stats span { color: var(--text-mute); font-size: .82rem; }

/* ---------- Hero visual / logo stage ---------- */
.hero__visual {
  display: flex; justify-content: center;
  perspective: 1200px;
}
.logo-stage {
  position: relative;
  width: min(360px, 80vw);
  aspect-ratio: 1;
  display: grid; place-items: center;
  transform-style: preserve-3d;
  transition: transform .3s var(--ease);
}
.logo-stage__halo {
  position: absolute; inset: 18%;
  background: radial-gradient(circle, rgba(31, 107, 255, .55) 0%, transparent 65%);
  filter: blur(36px);
  animation: pulseHalo 4s ease-in-out infinite;
}
.logo-stage__ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(102, 178, 255, .22);
  background: conic-gradient(from 0deg, transparent 0deg, rgba(102, 178, 255, .45) 90deg, transparent 180deg);
  mask: radial-gradient(circle, transparent 58%, #000 59%);
  -webkit-mask: radial-gradient(circle, transparent 58%, #000 59%);
  animation: spin 18s linear infinite;
}
.logo-stage__mark {
  position: relative; z-index: 2;
  width: 55%;
  aspect-ratio: 1;
  display: grid; place-items: center;
  transform: translateZ(40px);
  animation: float 6s ease-in-out infinite;
}
.logo-stage__mark img {
  width: 100%; height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(31, 107, 255, .55));
}

.logo-stage__chip {
  position: absolute;
  padding: .35rem .7rem;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--line-2);
  backdrop-filter: blur(10px);
  font-size: .72rem; font-weight: 600;
  color: var(--brand-3);
  letter-spacing: .03em;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  transform: translateZ(60px);
  animation: floatChip 5s ease-in-out infinite;
}
.logo-stage__chip--1 { top: 8%; left: -4%; animation-delay: 0s; }
.logo-stage__chip--2 { top: 50%; right: -8%; animation-delay: -1.6s; }
.logo-stage__chip--3 { bottom: 6%; left: 10%; animation-delay: -3.2s; }

@keyframes pulseHalo {
  0%, 100% { opacity: .7; transform: scale(1); }
  50%      { opacity: 1;  transform: scale(1.08); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes float {
  0%, 100% { transform: translateZ(40px) translateY(0); }
  50%      { transform: translateZ(40px) translateY(-10px); }
}
@keyframes floatChip {
  0%, 100% { transform: translateZ(60px) translateY(0); }
  50%      { transform: translateZ(60px) translateY(-6px); }
}

/* ---------- Scroll cue ---------- */
.scroll-cue {
  position: absolute; left: 50%; bottom: 1.5rem;
  width: 26px; height: 42px;
  border: 2px solid var(--line-2);
  border-radius: 14px;
  transform: translateX(-50%);
  display: grid; place-items: start center;
  padding-top: 6px;
}
.scroll-cue span {
  width: 4px; height: 8px;
  border-radius: 2px;
  background: var(--brand-2);
  animation: scrollDot 1.6s ease-in-out infinite;
}
@keyframes scrollDot {
  0%   { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* ---------- Section heads ---------- */
.section-head {
  text-align: center;
  max-width: 640px; margin: 0 auto 3rem;
}
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); margin-bottom: .75rem; }
.section-head p { color: var(--text-dim); margin: 0; }

/* ---------- Services ---------- */
.services { position: relative; z-index: 2; padding: 4rem 0 6rem; }

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  perspective: 1000px;
}

.service-card {
  position: relative;
  padding: 1.75rem 1.5rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform .35s var(--ease), border-color .25s ease, background .25s ease;
  transform-style: preserve-3d;
  overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(31, 107, 255, .14), transparent 60%);
  opacity: 0; transition: opacity .35s ease;
  pointer-events: none;
}
.service-card::after {
  content: ''; position: absolute; inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(102, 178, 255, .5), transparent 40%, rgba(125, 92, 255, .35));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .35s ease;
  pointer-events: none;
}
.service-card:hover { background: var(--panel-2); }
.service-card:hover::before,
.service-card:hover::after { opacity: 1; }

.service-card > * { position: relative; z-index: 1; }

.service-card__icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(31, 107, 255, .25), rgba(102, 178, 255, .08));
  border: 1px solid rgba(102, 178, 255, .25);
  color: var(--brand-2);
  margin-bottom: 1rem;
  transition: transform .35s var(--ease);
}
.service-card:hover .service-card__icon { transform: rotate(-6deg) scale(1.05); }
.service-card__icon svg { width: 22px; height: 22px; }

.service-card h3 { font-size: 1.15rem; margin-bottom: .45rem; }
.service-card p { color: var(--text-dim); font-size: .94rem; margin: 0 0 1rem; }

.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .35rem; }
.tags li {
  font-size: .72rem; font-weight: 500;
  padding: .2rem .55rem; border-radius: 999px;
  background: rgba(102, 178, 255, .08);
  border: 1px solid var(--line);
  color: var(--brand-3);
}

/* ---------- About ---------- */
.about { position: relative; z-index: 2; padding: 4rem 0 7rem; }
.about__inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 960px) {
  .about__inner { grid-template-columns: 1fr; }
}

.about__copy h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); margin-bottom: 1rem; }
.about__copy p  { color: var(--text-dim); margin-bottom: 1.5rem; max-width: 520px; }

.about__panel {
  display: grid; gap: .85rem;
  padding: 1.5rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-lg);
}
.kpi-card {
  display: flex; flex-direction: column;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  background: rgba(10, 19, 48, .6);
  border: 1px solid var(--line);
  transition: transform .25s var(--ease), border-color .25s ease;
}
.kpi-card:hover { transform: translateX(4px); border-color: var(--line-2); }
.kpi {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.1rem; font-weight: 700; line-height: 1;
  background: linear-gradient(120deg, var(--brand-2), #fff);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  margin-bottom: .35rem;
}
.kpi-card p { color: var(--text-dim); margin: 0; font-size: .9rem; }

/* ---------- Footer ---------- */
.site-footer {
  position: relative; z-index: 2;
  border-top: 1px solid var(--line);
  padding: 1.75rem 0;
  background: rgba(5, 8, 26, .55);
  backdrop-filter: blur(10px);
}
.site-footer__inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
}
.site-footer__brand { display: flex; align-items: center; gap: .55rem; color: var(--text-mute); font-size: .85rem; }
.site-footer__brand img { height: 22px; width: 22px; object-fit: contain; opacity: .9; }
.site-footer__links { display: flex; gap: 1.5rem; }
.site-footer__links a { color: var(--text-mute); font-size: .85rem; }
.site-footer__links a:hover { color: #fff; }

/* ---------- Scroll reveal (toggled by JS) ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: var(--d, 0s);
}
[data-reveal].in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
}