/* =========================================================
   Lirea House — dark, futuristic, cinematic theme
   ========================================================= */

:root {
  --bg:        #0A0A0F;
  --bg-soft:   #101018;
  --surface:   rgba(255, 255, 255, 0.03);
  --surface-2: rgba(255, 255, 255, 0.05);
  --border:    rgba(255, 255, 255, 0.09);
  --border-lit:rgba(179, 136, 255, 0.35);

  --text:      #EDEDF2;
  --text-mut:  #A2A2B4;
  --text-dim:  #6E6E82;

  --violet:    #8B5CFF;
  --violet-hi: #B388FF;
  --cyan:      #22E3FF;
  --cyan-hi:   #7FF3FF;

  --grad:      linear-gradient(120deg, var(--violet-hi) 0%, var(--cyan) 100%);
  --grad-soft: linear-gradient(120deg, rgba(139,92,255,0.16), rgba(34,227,255,0.16));

  --glow-violet: 0 0 40px rgba(139, 92, 255, 0.45);
  --glow-cyan:   0 0 40px rgba(34, 227, 255, 0.35);

  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  --maxw: 1180px;
  --radius: 18px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset / base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scrollbar-color: #3b3358 transparent; scrollbar-width: thin; }

/* Subtle, on-theme scrollbar (WebKit/Chromium) */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #08080d; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(139, 92, 255, 0.45), rgba(34, 227, 255, 0.28));
  border: 3px solid #08080d; border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(139, 92, 255, 0.7), rgba(34, 227, 255, 0.45));
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-head); font-weight: 600; line-height: 1.08; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.2rem, 4vw, 2.5rem); }

.grad-text {
  /* palindrome gradient (violet→cyan→violet) tiled 2×; shifting the position by
     exactly one full tile (200%) loops seamlessly with no snap */
  background: linear-gradient(120deg, var(--violet-hi) 0%, var(--cyan) 50%, var(--violet-hi) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 9s linear infinite;
}
@keyframes shimmer { from { background-position: 0% center; } to { background-position: 200% center; } }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--violet); color: #fff; padding: .6rem 1rem; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }

/* ---------- Ambient aurora background ---------- */
.aurora {
  position: fixed; inset: 0; z-index: -2; overflow: hidden;
  background:
    radial-gradient(1200px 700px at 70% -10%, rgba(139,92,255,0.10), transparent 60%),
    radial-gradient(900px 600px at 10% 110%, rgba(34,227,255,0.08), transparent 60%),
    var(--bg);
}
.aurora__blob {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55;
  will-change: transform;
}
.aurora__blob--violet {
  width: 46vw; height: 46vw; top: -8%; left: 55%;
  background: radial-gradient(circle at 30% 30%, #8B5CFF, transparent 70%);
  animation: drift1 22s var(--ease) infinite alternate;
}
.aurora__blob--cyan {
  width: 40vw; height: 40vw; bottom: -12%; left: -8%;
  background: radial-gradient(circle at 60% 40%, #22E3FF, transparent 70%);
  animation: drift2 26s var(--ease) infinite alternate;
}
.aurora__blob--deep {
  width: 34vw; height: 34vw; top: 40%; left: 30%;
  background: radial-gradient(circle at 50% 50%, #5B2CCF, transparent 70%);
  opacity: .35;
  animation: drift3 30s var(--ease) infinite alternate;
}
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 40%, transparent 100%);
}
@keyframes drift1 { from { transform: translate(0,0) scale(1);} to { transform: translate(-6%, 6%) scale(1.12);} }
@keyframes drift2 { from { transform: translate(0,0) scale(1);} to { transform: translate(8%, -4%) scale(1.1);} }
@keyframes drift3 { from { transform: translate(0,0) scale(1);} to { transform: translate(-5%, -6%) scale(1.08);} }

/* Particle constellation field */
.particles {
  position: fixed; inset: 0; z-index: -1; width: 100%; height: 100%;
  pointer-events: none; opacity: .6;
  mask-image: linear-gradient(180deg, #000 0%, #000 70%, transparent 100%);
}

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .4s var(--ease), backdrop-filter .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10,10,15,0.72);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--border);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }

.logo { display: inline-flex; align-items: center; gap: .65rem; }
.logo__mark {
  width: 30px; height: 30px; flex-shrink: 0;
  filter: drop-shadow(0 0 10px rgba(139, 92, 255, 0.4));
  transition: filter .3s var(--ease), transform .3s var(--ease);
}
.logo:hover .logo__mark { filter: drop-shadow(0 0 16px rgba(34, 227, 255, 0.55)); transform: translateY(-1px); }
.logo__text {
  font-family: var(--font-head); font-weight: 600; font-size: 1.18rem;
  letter-spacing: -0.01em; color: var(--text);
}
.logo__text span {
  background: linear-gradient(120deg, var(--violet-hi), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.nav { display: flex; align-items: center; gap: 2rem; }
.nav a { color: var(--text-mut); font-size: .95rem; font-weight: 500; transition: color .25s; position: relative; }
.nav a:not(.nav__cta)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--grad); transition: width .3s var(--ease);
}
.nav a:not(.nav__cta):hover { color: var(--text); }
.nav a:not(.nav__cta):hover::after { width: 100%; }
.nav__cta {
  padding: .55rem 1.1rem; border-radius: 999px; color: var(--text) !important;
  border: 1px solid var(--border-lit); background: var(--grad-soft);
  transition: box-shadow .3s, transform .3s;
}
.nav__cta:hover { box-shadow: var(--glow-violet); transform: translateY(-1px); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none; flex-direction: column; gap: .25rem;
  padding: .5rem clamp(1.2rem, 4vw, 2.5rem) 1.25rem;
  background: rgba(10,10,15,0.95); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.mobile-nav.open { display: flex; }
.mobile-nav a { padding: .7rem 0; color: var(--text-mut); border-bottom: 1px solid var(--border); font-weight: 500; }
.mobile-nav a:last-child { border: 0; }
.mobile-nav .nav__cta { text-align: center; margin-top: .5rem; border-bottom: 1px solid var(--border-lit); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--font-head); font-weight: 500; font-size: 1rem;
  padding: .95rem 1.6rem; border-radius: 999px; cursor: pointer;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s;
  border: 1px solid transparent; white-space: nowrap;
}
.btn--primary {
  color: #08080D; background: linear-gradient(120deg, var(--violet) 0%, #1FB8D6 100%);
  box-shadow: var(--glow-violet);
  position: relative; overflow: hidden; isolation: isolate;
}
.btn--primary::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,0.28) 50%, transparent 70%);
  background-size: 220% 100%; background-position: 220% 0; transition: none;
}
.btn--primary:hover::after { animation: sheen 1.1s linear; }
@keyframes sheen { from { background-position: 220% 0; } to { background-position: -120% 0; } }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 0 55px rgba(139,92,255,0.6), 0 0 30px rgba(34,227,255,0.4); }
.btn--ghost { color: var(--text); border-color: var(--border-lit); background: var(--surface); }
.btn--ghost:hover { background: var(--surface-2); box-shadow: var(--glow-cyan); transform: translateY(-2px); }
.btn--block { width: 100%; }

/* ---------- Sections ---------- */
.section { padding: clamp(4rem, 8vw, 6.5rem) 0; position: relative; }
.section-label {
  text-transform: uppercase; letter-spacing: .28em; font-size: .78rem; font-weight: 600;
  color: var(--cyan-hi); margin-bottom: 1rem;
}
.section-title { font-size: clamp(2rem, 5vw, 3.2rem); }
.section-lede { color: var(--text-mut); max-width: 54ch; margin-top: 1.2rem; font-size: 1.08rem; }
.section-head { max-width: 720px; margin-bottom: 3rem; }

/* ---------- Hero ---------- */
.hero { min-height: min(100vh, 900px); display: flex; align-items: center; padding-top: 74px; position: relative; }
.hero__inner { padding-top: clamp(1.5rem, 4vh, 3rem); padding-bottom: 3rem; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .5rem 1rem; border-radius: 999px; font-size: .85rem; font-weight: 500;
  color: var(--text-mut); background: var(--surface); border: 1px solid var(--border);
  margin-bottom: 1.8rem;
}
.eyebrow__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: var(--glow-cyan); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity:1; transform: scale(1);} 50% { opacity:.5; transform: scale(.7);} }

.hero__title { font-size: clamp(2.7rem, 8vw, 5.6rem); font-weight: 700; max-width: 16ch; }
.hero__sub { color: var(--text-mut); font-size: clamp(1.05rem, 2vw, 1.3rem); max-width: 60ch; margin-top: 1.6rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.4rem; }

.hero__stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.hero__stats div { padding: 0 1.9rem; }
.hero__stats div + div { border-left: 1px solid var(--border); }
.hero__stats div:first-child { padding-left: 0; }
.hero__stats dt {
  font-family: var(--font-head); font-size: clamp(1.3rem, 4vw, 1.55rem); font-weight: 600; letter-spacing: -0.01em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__stats dd { margin: .4rem 0 0; color: var(--text-mut); font-size: .9rem; line-height: 1.4; }

.scroll-cue {
  position: absolute; bottom: 2.2rem; left: 50%; transform: translateX(-50%);
  width: 1px; height: 56px; overflow: hidden;
  background: linear-gradient(180deg, transparent, var(--border));
}
.scroll-cue span {
  position: absolute; top: -40%; left: 0; width: 100%; height: 40%;
  background: linear-gradient(180deg, transparent, var(--cyan));
  animation: scrollline 2.2s cubic-bezier(0.7, 0, 0.3, 1) infinite;
}
@keyframes scrollline { 0% { top: -45%; } 60%,100% { top: 105%; } }

/* ---------- About ---------- */
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.about__body p { color: var(--text-mut); margin-bottom: 1.2rem; font-size: 1.1rem; }
.about__signature { color: var(--text) !important; font-family: var(--font-head); font-weight: 500; font-size: 1.2rem !important; }

/* ---------- Cards / Services ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 1.4rem; }
.card {
  padding: 2rem 1.8rem; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  position: relative; overflow: hidden;
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad); opacity: 0; transition: opacity .4s;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(0,0,0,0.5), var(--glow-violet); }
.card:hover::before { opacity: 1; }
.card__icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  color: var(--cyan-hi); background: var(--grad-soft); border: 1px solid var(--border-lit);
  margin-bottom: 1.4rem;
}
.card__icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 1.28rem; margin-bottom: .7rem; }
.card p { color: var(--text-mut); font-size: .98rem; }

/* ---------- Edge ---------- */
.section--edge { background: linear-gradient(180deg, transparent, rgba(139,92,255,0.04), transparent); }
.edge__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.edge__cta { margin-top: 2rem; }
.edge__list { display: flex; flex-direction: column; gap: 1.2rem; }
.edge__item {
  display: flex; gap: 1.4rem; padding: 1.6rem 1.8rem; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  transition: transform .35s var(--ease), border-color .35s, background .35s;
}
.edge__item:hover { transform: translateX(6px); border-color: var(--border-lit); background: var(--surface-2); }
.edge__num { font-family: var(--font-head); font-size: 1.1rem; font-weight: 600; color: transparent; background: var(--grad); -webkit-background-clip: text; background-clip: text; flex-shrink: 0; }
.edge__item h3 { font-size: 1.2rem; margin-bottom: .4rem; }
.edge__item p { color: var(--text-mut); font-size: .98rem; }

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.4rem; counter-reset: step; }
.process__step {
  padding: 2rem 1.8rem; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border); position: relative;
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.process__step:hover { transform: translateY(-6px); border-color: var(--border-lit); box-shadow: var(--glow-cyan); }
.process__num {
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px;
  font-family: var(--font-head); font-weight: 600; font-size: 1.15rem; color: #0A0A0F;
  background: var(--grad); box-shadow: var(--glow-violet); margin-bottom: 1.3rem;
}
.process__step h3 { font-size: 1.25rem; margin-bottom: .6rem; }
.process__step p { color: var(--text-mut); font-size: .98rem; }

/* ---------- Contact ---------- */
.section--contact { background: linear-gradient(180deg, transparent, rgba(34,227,255,0.04)); }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 4.5rem); align-items: start; }
.contact__meta { margin-top: 2rem; display: flex; flex-direction: column; gap: .8rem; color: var(--text-mut); }
.contact__meta span { color: var(--cyan); margin-right: .5rem; }
.contact__meta a { color: var(--cyan-hi); }
.contact__meta a:hover { text-decoration: underline; }

.contact__form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem;
  padding: clamp(1.6rem, 4vw, 2.4rem); border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  backdrop-filter: blur(6px);
}
.field { display: flex; flex-direction: column; gap: .45rem; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .85rem; font-weight: 500; color: var(--text-mut); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: 1rem; color: var(--text);
  background: rgba(0,0,0,0.25); border: 1px solid var(--border); border-radius: 12px;
  padding: .8rem .95rem; transition: border-color .3s, box-shadow .3s; width: 100%;
  color-scheme: dark; /* renders native select popup + controls in dark */
}
.field textarea { resize: vertical; min-height: 96px; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-dim); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--border-lit); box-shadow: 0 0 0 3px rgba(139,92,255,0.18);
}
.field select {
  appearance: none; cursor: pointer; padding-right: 2.6rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23A2A2B4' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center;
}
.field select:hover { border-color: var(--border-lit); }
.field select option { background: #12121a; color: var(--text); }
.contact__form .btn--block { grid-column: 1 / -1; margin-top: .4rem; }
.form-status { grid-column: 1 / -1; font-size: .92rem; color: var(--cyan-hi); min-height: 1.2em; }
.form-status.error { color: #ff8095; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 3.5rem 0 2rem; background: rgba(0,0,0,0.25); }
.footer__inner { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; align-items: flex-start; }
.footer__brand { max-width: 320px; }
.footer__brand p { color: var(--text-dim); margin-top: 1rem; font-size: .95rem; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 1.4rem; }
.footer__nav a, .footer__social a { color: var(--text-mut); font-size: .95rem; transition: color .25s; }
.footer__nav a:hover, .footer__social a:hover { color: var(--cyan-hi); }
.footer__social { display: flex; gap: 1.2rem; }
.footer__base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1.6rem; border-top: 1px solid var(--border); color: var(--text-dim); font-size: .88rem; }
.footer__tag { color: var(--violet-hi); font-family: var(--font-head); }

/* ---------- Reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .45s var(--ease), transform .45s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .about__grid, .edge__grid, .contact__grid { grid-template-columns: 1fr; }
  .contact__form { grid-template-columns: 1fr; }
  .field--full { grid-column: auto; }
}
@media (max-width: 560px) {
  /* stats stack cleanly: horizontal dividers instead of vertical */
  .hero__stats { grid-template-columns: 1fr; }
  .hero__stats div { padding: 1rem 0 0; border-left: 0; }
  .hero__stats div + div { border-top: 1px solid var(--border); }
  .hero__stats div:first-child { padding-top: 0; }
  .hero__stats dd { max-width: none; }
}
@media (max-width: 560px) {
  .scroll-cue { display: none; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .btn { width: 100%; }
  .hero__actions { flex-direction: column; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}