/* ==========================================================================
   Renaissance AI ($RENAI) — Landing Page
   ========================================================================== */

:root{
  --bg:            #05070d;
  --bg-alt:        #0a0e1a;
  --bg-elevated:   #0d1220;
  --ink:           #eef1f8;
  --ink-dim:       #9aa4bd;
  --ink-faint:     #6b7590;

  --gold:          #d4a24e;
  --gold-bright:   #f2c879;
  --gold-deep:     #8a6323;
  --cyan:          #4fd8ff;
  --cyan-dim:      #2b6f8a;

  --line:          rgba(212,162,78,0.18);
  --line-bright:   rgba(212,162,78,0.4);
  --glass:         rgba(13,18,32,0.6);

  --font-display:  'Cinzel', 'Georgia', serif;
  --font-body:     'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:     'Space Grotesk', 'Inter', monospace;

  --container:     1180px;
  --radius:        18px;
  --ease:          cubic-bezier(.22,1,.36,1);
}

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

html{
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }

a{ color:inherit; text-decoration:none; }

::selection{ background: var(--gold-deep); color: var(--ink); }

::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background: var(--bg); }
::-webkit-scrollbar-thumb{ background: linear-gradient(var(--gold-deep), var(--gold)); border-radius:10px; }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* Film-grain overlay for texture ------------------------------------------------ */
.grain{
  position: fixed;
  inset:0;
  z-index: 9999;
  pointer-events: none;
  opacity: .035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* Reveal-on-scroll ------------------------------------------------ */
.reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.is-visible{
  opacity: 1;
  transform: none;
}

/* Typography ------------------------------------------------ */
.eyebrow{
  display:inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 18px;
}

.section-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.9rem);
  line-height: 1.2;
  margin: 0 0 22px;
  color: var(--ink);
  letter-spacing: .01em;
}

.text-gradient{
  background: linear-gradient(100deg, var(--gold-bright) 0%, var(--gold) 40%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

p{ color: var(--ink-dim); margin: 0 0 16px; }

/* Buttons ------------------------------------------------ */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content:center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease), color .35s var(--ease);
}
.btn svg{ width:18px; height:18px; transition: transform .3s var(--ease); }

.btn--gold{
  background: linear-gradient(135deg, var(--gold-bright), var(--gold) 60%, var(--gold-deep));
  color: #1a1204;
  box-shadow: 0 8px 30px -8px rgba(212,162,78,.55);
}
.btn--gold:hover{
  transform: translateY(-2px);
  box-shadow: 0 12px 36px -8px rgba(242,200,121,.7);
}
.btn--gold:hover svg{ transform: translateX(3px); }

.btn--ghost{
  background: rgba(255,255,255,.02);
  color: var(--ink);
  border-color: rgba(255,255,255,.16);
  backdrop-filter: blur(6px);
}
.btn--ghost:hover{
  border-color: var(--gold);
  color: var(--gold-bright);
  background: rgba(212,162,78,.06);
}

.btn--sm{ padding: 9px 20px; font-size: 13.5px; }
.btn--lg{ padding: 16px 34px; font-size: 16px; }

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 500;
  padding: 20px 0;
  transition: padding .4s var(--ease), background .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.navbar.is-scrolled{
  padding: 12px 0;
  background: rgba(5,7,13,.78);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}

.navbar__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 24px;
}

.brand{ display:flex; align-items:center; gap:12px; }
.brand__logo{ width:40px; height:40px; border-radius:50%; box-shadow: 0 0 0 1px var(--line-bright), 0 0 22px rgba(212,162,78,.25); }
.brand__name{ font-family: var(--font-display); font-weight:700; font-size: 19px; letter-spacing:.02em; }
.brand__accent{ color: var(--gold-bright); }

.nav-links{ display:flex; align-items:center; gap: 34px; }
.nav-links a{
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-dim);
  position: relative;
  padding: 4px 0;
  transition: color .3s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute; left:0; bottom:-2px;
  width:0; height:1px;
  background: var(--gold-bright);
  transition: width .3s var(--ease);
}
.nav-links a:hover{ color: var(--ink); }
.nav-links a:hover::after{ width:100%; }

.navbar__cta{ display:flex; align-items:center; gap:12px; }

.nav-toggle{
  display:none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none; border: 1px solid var(--line-bright); border-radius: 10px;
  cursor: pointer;
}
.nav-toggle span{
  display:block; width: 18px; height:1.5px; margin: 0 auto;
  background: var(--ink); transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav-toggle.is-active span:nth-child(1){ transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2){ opacity: 0; }
.nav-toggle.is-active span:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position: relative;
  min-height: 100vh;
  display:flex;
  flex-direction: column;
  justify-content:center;
  padding: 160px 0 0;
  overflow:hidden;
}

.hero__bg{ position:absolute; inset:0; z-index:0; }
.hero__bg img{
  width:100%; height:100%; object-fit:cover; object-position: 50% 20%;
  transform: scale(1.06);
}
.hero__scrim{
  position:absolute; inset:0;
  background:
    radial-gradient(60% 55% at 50% 30%, rgba(5,7,13,.35), rgba(5,7,13,.86) 72%),
    linear-gradient(180deg, rgba(5,7,13,.55) 0%, rgba(5,7,13,.55) 30%, var(--bg) 96%);
}
.hero__particles{
  position:absolute; inset:0;
  width:100%; height:100%;
  opacity: .55;
}

.hero__content{
  position: relative;
  z-index: 2;
  text-align:center;
  max-width: 860px;
  margin: 0 auto;
  padding-bottom: 90px;
}

.pill{
  display:inline-flex;
  align-items:center;
  gap: 9px;
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--line-bright);
  background: rgba(212,162,78,.07);
  backdrop-filter: blur(8px);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--gold-bright);
  margin-bottom: 30px;
  animation: pulseGlow 3.2s ease-in-out infinite;
}
.pill__icon{ width:15px; height:15px; color: var(--gold-bright); }

@keyframes pulseGlow{
  0%, 100%{ box-shadow: 0 0 0px rgba(242,200,121,0); }
  50%{ box-shadow: 0 0 22px rgba(242,200,121,.25); }
}

.hero__title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.15;
  margin: 0 0 26px;
  letter-spacing: .01em;
}

.hero__desc{
  font-size: 17.5px;
  color: var(--ink-dim);
  max-width: 620px;
  margin: 0 auto 40px;
}

.hero__cta{
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Ticker bar ------------------------------------------------ */
.ticker{
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--line);
  background: rgba(5,7,13,.55);
  backdrop-filter: blur(10px);
  padding: 16px 0;
}
.ticker__inner{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 22px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
}
.ticker__item{ display:flex; align-items:center; gap:9px; font-size: 14px; min-width:0; }
.ticker__item em{ font-style:normal; color: var(--ink-faint); text-transform:uppercase; letter-spacing:.08em; font-size:11.5px; flex:none; }
.ticker__item code{ color: var(--gold-bright); font-family: var(--font-mono); min-width:0; }
.ticker__sep{ color: var(--line-bright); }
.ticker__copy{
  display:inline-flex; align-items:center; justify-content:center;
  width:24px; height:24px; padding:0;
  background:none; border:1px solid var(--line-bright); border-radius:6px;
  color: var(--ink-faint); cursor:pointer;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.ticker__copy svg{ width:13px; height:13px; }
.ticker__copy:hover{ color: var(--gold-bright); border-color: var(--gold); }
.ticker__copy.is-copied{ color: var(--cyan); border-color: var(--cyan-dim); }

/* ==========================================================================
   About
   ========================================================================== */
.about{ padding: 130px 0; background: var(--bg); position:relative; }
.about__grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 70px;
  align-items:center;
}
.about__copy p{ font-size: 16.5px; }
.about__copy p:last-child{ margin-bottom:0; }

.frame{
  position:relative;
  border-radius: var(--radius);
  overflow:hidden;
  border: 1px solid var(--line-bright);
  box-shadow: 0 30px 70px -30px rgba(0,0,0,.7);
}
.frame img{ width:100%; height:100%; object-fit:cover; aspect-ratio: 4/5; }
.frame__glow{
  position:absolute; inset:-1px;
  border-radius: inherit;
  box-shadow: inset 0 0 60px rgba(212,162,78,.15);
  pointer-events:none;
}
.frame__glow--cyan{ box-shadow: inset 0 0 60px rgba(79,216,255,.18); }

.frame--float{ animation: floatY 7s ease-in-out infinite; }
.frame--delay{ animation-delay: -3.2s; }
@keyframes floatY{
  0%, 100%{ transform: translateY(0); }
  50%{ transform: translateY(-14px); }
}

/* ==========================================================================
   Capabilities
   ========================================================================== */
.capabilities{ position:relative; padding: 130px 0; background: var(--bg-alt); overflow:hidden; }
.capabilities__bg{ position:absolute; inset:0; opacity:.08; filter: saturate(0.7); }
.capabilities__bg img{ width:100%; height:100%; object-fit:cover; }
.capabilities::before{
  content:"";
  position:absolute; inset:0;
  background: radial-gradient(60% 50% at 50% 0%, rgba(79,216,255,.06), transparent 70%);
}

.section-head{ text-align:center; max-width: 680px; margin: 0 auto 64px; position:relative; z-index:1; }
.section-head .section-title{ margin-bottom:0; }

.cards{
  position: relative;
  z-index: 1;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.card{
  padding: 38px 30px;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease), box-shadow .4s var(--ease);
}
.card:hover{
  transform: translateY(-8px);
  border-color: var(--line-bright);
  background: linear-gradient(180deg, rgba(212,162,78,.06), rgba(255,255,255,0));
  box-shadow: 0 26px 60px -30px rgba(212,162,78,.35);
}

.card__icon{
  width: 62px; height:62px;
  display:flex; align-items:center; justify-content:center;
  border-radius: 16px;
  margin-bottom: 24px;
  color: var(--gold-bright);
  background: rgba(212,162,78,.08);
  border: 1px solid var(--line-bright);
  transition: color .4s var(--ease), background .4s var(--ease), transform .4s var(--ease);
}
.card__icon svg{ width: 30px; height:30px; }
.card:hover .card__icon{ color: var(--cyan); background: rgba(79,216,255,.08); border-color: rgba(79,216,255,.35); transform: rotate(-6deg) scale(1.05); }

.card h3{
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0 0 12px;
  color: var(--ink);
  letter-spacing: .01em;
}
.card p{ font-size: 15px; margin:0; }

/* ==========================================================================
   Tokenomics
   ========================================================================== */
.tokenomics{ padding: 130px 0; background: var(--bg); }
.tokenomics__grid{
  display:grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 70px;
  align-items:center;
}
.tokenomics__lead{ font-size: 17px; color: var(--ink); margin-bottom: 34px; }

.feature-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:28px; }
.feature-list li{ display:flex; gap:20px; align-items:flex-start; }
.feature-list__mark{
  flex: none;
  width: 46px; height:46px;
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-display);
  font-weight:600;
  font-size: 14px;
  color: var(--gold-bright);
  border: 1px solid var(--line-bright);
  border-radius: 12px;
  background: rgba(212,162,78,.06);
}
.feature-list h4{
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16.5px;
  margin: 6px 0 6px;
  color: var(--ink);
}
.feature-list p{ margin:0; font-size: 15px; }

/* ==========================================================================
   Community / Footer
   ========================================================================== */
.community{ position:relative; padding: 150px 0 60px; overflow:hidden; }
.community__bg{ position:absolute; inset:0; z-index:0; }
.community__bg img{ width:100%; height:100%; object-fit:cover; object-position: 50% 40%; }
.community__scrim{
  position:absolute; inset:0;
  background:
    radial-gradient(55% 60% at 50% 35%, rgba(5,7,13,.4), rgba(5,7,13,.92) 75%),
    linear-gradient(180deg, var(--bg) 0%, rgba(5,7,13,.65) 22%, rgba(5,7,13,.86) 78%, var(--bg) 100%);
}

.community__content{ position:relative; z-index:1; text-align:center; max-width: 640px; margin:0 auto; }
.community__emblem{ margin: 0 auto 26px; border-radius:50%; box-shadow: 0 0 0 1px var(--line-bright), 0 0 40px rgba(212,162,78,.25); }
.community__content .section-title{ margin-bottom: 14px; }

.social-row{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:center;
  gap: 14px; margin: 38px 0 50px;
}
.social{
  display:inline-flex; align-items:center; gap:10px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid var(--line-bright);
  background: rgba(255,255,255,.02);
  font-size: 14px; font-weight:500;
  transition: transform .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease), background .3s var(--ease);
}
.social svg{ width:17px; height:17px; }
.social:hover{
  transform: translateY(-3px);
  color: var(--gold-bright);
  border-color: var(--gold);
  background: rgba(212,162,78,.08);
}

.community__divider{
  height:1px;
  max-width: 240px;
  margin: 0 auto 30px;
  background: linear-gradient(90deg, transparent, var(--line-bright), transparent);
}

.copyright{ font-size: 13px; color: var(--ink-faint); margin:0; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px){
  .about__grid,
  .tokenomics__grid{ grid-template-columns: 1fr; gap: 50px; }
  .about__visual{ order:-1; }
  .frame img{ aspect-ratio: 16/10; }
  .cards{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px){
  .nav-links, .navbar__cta{ display:none; }
  .nav-toggle{ display:flex; }

  .navbar.is-open .nav-links{
    display:flex;
    position:absolute;
    top: 100%; left:0; right:0;
    flex-direction:column;
    align-items:flex-start;
    gap: 4px;
    padding: 18px 28px 22px;
    background: rgba(5,7,13,.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
  }
  .navbar.is-open .nav-links a{ padding: 12px 0; width:100%; }
  .navbar.is-open .navbar__cta{
    display:flex;
    position:absolute;
    top: calc(100% + 214px);
    left:0; right:0;
    justify-content:center;
    gap: 12px;
    padding: 0 28px 22px;
    background: rgba(5,7,13,.97);
    backdrop-filter: blur(16px);
  }
}

@media (max-width: 640px){
  .container{ padding: 0 20px; }
  .hero{ padding-top: 130px; }
  .hero__content{ padding-bottom: 60px; }
  .hero__cta{ flex-direction:column; align-items:stretch; }
  .hero__cta .btn{ width:100%; }
  .ticker__inner{ gap: 14px; }
  .ticker__sep{ display:none; }
  .ticker__item code{ overflow:hidden; text-overflow:ellipsis; white-space:nowrap; max-width: 46vw; }
  .about, .capabilities, .tokenomics{ padding: 90px 0; }
  .community{ padding: 110px 0 40px; }
  .cards{ grid-template-columns: 1fr; }
  .social-row{ gap:10px; }
  .social span{ display:none; }
  .social{ padding: 13px; }
  .social svg{ width:19px; height:19px; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}