/* Nexus by Ashraf — Premium public site design system */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

:root{
  --bg:#060d1a;
  --bg-alt:#0a1526;
  --surface:#0d1d34;
  --surface-2:#112544;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --ink:#eef2f9;
  --ink-dim:#a9b6ca;
  --ink-faint:#71809a;
  --blue:#3d84e8;
  --blue-bright:#6fabff;
  --blue-deep:#123166;
  --max:1160px;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'IBM Plex Sans',sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(ellipse 900px 500px at 85% -5%, rgba(61,132,232,.16), transparent 60%),
    radial-gradient(ellipse 700px 500px at -10% 40%, rgba(61,132,232,.08), transparent 55%);
}
h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  font-weight:600;
  line-height:1.08;
  letter-spacing:-.01em;
  color:var(--ink);
}
p{color:var(--ink-dim)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2px solid var(--blue-bright);outline-offset:3px}

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

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(6,13,26,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.navbar{display:flex;align-items:center;justify-content:space-between;padding:16px 28px}
.logo{display:flex;align-items:center;gap:11px}
.logo img{width:38px;height:38px;border-radius:50%}
.logo .word{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:17px;letter-spacing:-.01em;color:var(--ink)}
.logo .word small{display:block;font-family:'IBM Plex Sans',sans-serif;font-weight:400;font-size:10.5px;letter-spacing:.14em;color:var(--ink-faint);margin-top:1px}
nav ul{display:flex;gap:32px;list-style:none;align-items:center}
nav a{font-size:14.5px;font-weight:500;color:var(--ink-dim);transition:color .15s}
nav a:hover,nav a.active{color:var(--ink)}
nav a.active{position:relative}
nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-19px;height:2px;background:var(--blue-bright)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--ink);border-radius:8px;padding:8px 11px;font-size:18px;cursor:pointer}

@media(max-width:820px){
  nav ul{
    position:fixed;top:69px;left:0;right:0;height:calc(100vh - 69px);
    background:var(--bg);flex-direction:column;align-items:flex-start;
    padding:30px 28px;gap:6px;
    transform:translateX(100%);transition:transform .25s ease;
    border-top:1px solid var(--line-soft);
    overflow-y:auto;
  }
  nav ul.open{transform:translateX(0)}
  nav ul li{width:100%}
  nav a{display:block;padding:14px 0;font-size:17px;border-bottom:1px solid var(--line-soft)}
  nav a.active::after{display:none}
  .nav-toggle{display:block}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;border-radius:999px;
  font-weight:600;font-size:14.5px;font-family:'IBM Plex Sans',sans-serif;
  cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease,background .15s ease,border-color .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--ink);color:#081226}
.btn-primary:hover{background:#fff}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-bright)}
.btn-outline{border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--blue-bright);background:rgba(61,132,232,.08)}

/* ---------- Section rhythm ---------- */
section{padding:100px 0}
.section-tight{padding:60px 0}
.section-head{max-width:640px;margin-bottom:52px}
.label{font-size:13px;font-weight:600;color:var(--blue-bright);margin-bottom:14px}
.section-head h2{font-size:clamp(28px,4vw,42px)}
.section-head p{margin-top:16px;font-size:17px;max-width:560px}

@media(max-width:760px){
  section{padding:64px 0}
}

/* ---------- Hero ---------- */
.hero{padding:70px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero h1{font-size:clamp(36px,5.4vw,58px);letter-spacing:-.02em;max-width:640px}
.hero .lead{font-size:18px;max-width:520px;margin-top:22px;color:var(--ink-dim)}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:44px}}

/* Node diagram — echoes the Nexus mark: a hexagon of connected nodes */
.diagram{
  position:relative;aspect-ratio:1/0.94;max-width:460px;margin:0 auto;
}
.diagram svg{width:100%;height:100%;overflow:visible}
.diagram .edge{stroke:rgba(111,171,255,.34);stroke-width:1.4;fill:none}
.diagram .node-circle{fill:#0a1a30;stroke:rgba(111,171,255,.55);stroke-width:1.4}
.diagram .core{fill:#0a1a30;stroke:var(--blue-bright);stroke-width:1.4}
.diagram-label{
  position:absolute;transform:translate(-50%,-50%);
  font-size:11.5px;font-weight:600;color:var(--ink-dim);
  text-align:center;width:88px;letter-spacing:.01em;
}
.diagram-core-label{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  text-align:center;font-family:'Space Grotesk',sans-serif;font-weight:700;
  font-size:14px;color:var(--ink);letter-spacing:-.01em;line-height:1.2;
}

/* ---------- Diagram entrance animation (single page-load sequence) ---------- */
@keyframes edgeFade{from{opacity:0}to{opacity:1}}
@keyframes nodePop{from{opacity:0;transform:scale(.4)}to{opacity:1;transform:scale(1)}}
@keyframes labelRise{from{opacity:0;transform:translate(-50%,-38%)}to{opacity:1;transform:translate(-50%,-50%)}}
@keyframes corePulse{0%{opacity:.5;transform:scale(1)}80%{opacity:0;transform:scale(1.35)}100%{opacity:0;transform:scale(1.35)}}

.diagram .edge{opacity:0;animation:edgeFade .6s ease .1s forwards}
.diagram .node-circle{opacity:0;transform-box:fill-box;transform-origin:center;animation:nodePop .5s cubic-bezier(.34,1.56,.64,1) forwards}
.diagram .node-circle:nth-of-type(1){animation-delay:.35s}
.diagram .node-circle:nth-of-type(2){animation-delay:.45s}
.diagram .node-circle:nth-of-type(3){animation-delay:.55s}
.diagram .node-circle:nth-of-type(4){animation-delay:.65s}
.diagram .node-circle:nth-of-type(5){animation-delay:.75s}
.diagram .node-circle:nth-of-type(6){animation-delay:.85s}
.diagram .core{opacity:0;transform-box:fill-box;transform-origin:center;animation:nodePop .6s cubic-bezier(.34,1.56,.64,1) .95s forwards}
.diagram .core-pulse{fill:none;stroke:var(--blue-bright);opacity:0;transform-box:fill-box;transform-origin:center;animation:corePulse 2.6s ease-out 1.9s infinite}
.diagram-label{opacity:0;animation:labelRise .55s ease forwards}
.diagram-label:nth-of-type(1){animation-delay:.55s}
.diagram-label:nth-of-type(2){animation-delay:.65s}
.diagram-label:nth-of-type(3){animation-delay:.75s}
.diagram-label:nth-of-type(4){animation-delay:.85s}
.diagram-label:nth-of-type(5){animation-delay:.95s}
.diagram-label:nth-of-type(6){animation-delay:1.05s}
.diagram-core-label{opacity:0;animation:labelRise .55s ease 1.15s forwards}

@media(prefers-reduced-motion:reduce){
  .diagram .edge,.diagram .node-circle,.diagram .core,.diagram-label,.diagram-core-label{
    animation:none!important;opacity:1!important;transform:translate(-50%,-50%)!important;
  }
  .diagram .node-circle,.diagram .core{transform:none!important}
  .diagram .core-pulse{display:none}
}

/* ---------- Icon-based contact actions (no raw email/phone shown) ---------- */
.contact-actions{display:flex;flex-direction:column;gap:12px;margin-top:6px}
.contact-link{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 18px;border-radius:999px;width:fit-content;
  border:1px solid var(--line);background:var(--surface-2);
  font-size:14.5px;font-weight:600;color:var(--ink);
  transition:border-color .15s,background .15s,transform .15s;
}
.contact-link:hover{border-color:var(--blue-bright);background:rgba(61,132,232,.1);transform:translateY(-1px)}
.contact-link svg{width:18px;height:18px;flex-shrink:0;color:var(--blue-bright)}

/* ---------- Social icon row (Instagram, YouTube, X, LinkedIn) ---------- */
.social-row{display:flex;gap:10px;flex-wrap:wrap}
.social-link{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  border:1px solid var(--line);color:var(--ink-dim);
  transition:border-color .15s,color .15s,background .15s,transform .15s;
}
.social-link:hover{border-color:var(--blue-bright);color:var(--ink);background:rgba(61,132,232,.08);transform:translateY(-1px)}
.social-link svg{width:17px;height:17px}

/* ---------- Stats ---------- */
.stats{
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  padding:38px 0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.stats .num{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:28px;color:var(--ink)}
.stats .num span{color:var(--blue-bright)}
.stats .stat-label{font-size:13.5px;color:var(--ink-faint);margin-top:6px}
@media(max-width:700px){.stats{grid-template-columns:1fr;gap:22px}}

/* ---------- Editorial service rows ---------- */
.service-row{
  display:grid;grid-template-columns:180px 1fr;gap:36px;
  padding:34px 0;border-top:1px solid var(--line-soft);
}
.service-row:last-child{border-bottom:1px solid var(--line-soft)}
.service-row h3{font-size:22px;margin-bottom:10px}
.service-row p{max-width:580px}
.service-tag{font-size:13px;color:var(--blue-bright);font-weight:600;align-self:start;padding-top:3px}
@media(max-width:700px){.service-row{grid-template-columns:1fr;gap:12px}}

/* ---------- Gap / problem cards ---------- */
.gap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden}
.gap-card{background:var(--bg-alt);padding:32px 28px}
.gap-card .tag{font-size:12.5px;font-weight:600;color:var(--blue-bright);margin-bottom:16px}
.gap-card h3{font-size:19px;margin-bottom:10px}
.gap-card p{font-size:14.5px}
@media(max-width:820px){.gap-grid{grid-template-columns:1fr}}

/* ---------- Process steps (true sequence — numbered) ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;margin-top:8px}
.step{background:var(--bg-alt);padding:28px 24px;min-height:180px}
.step .n{font-family:'Space Grotesk',sans-serif;color:var(--blue-bright);font-size:20px;font-weight:700;margin-bottom:14px}
.step h4{font-size:16.5px;margin-bottom:8px}
.step p{font-size:13.5px}
@media(max-width:820px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}

/* ---------- Pillars / principles ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden}
.pillar{background:var(--bg-alt);padding:30px 26px}
.pillar h3{font-size:18px;margin-bottom:10px}
.pillar p{font-size:14.5px}
@media(max-width:820px){.pillars{grid-template-columns:1fr}}

.principle-list{border-top:1px solid var(--line-soft)}
.principle{display:grid;grid-template-columns:64px 1fr;gap:22px;padding:30px 0;border-bottom:1px solid var(--line-soft)}
.principle .num{font-family:'Space Grotesk',sans-serif;color:var(--blue-bright);font-weight:700;font-size:16px}
.principle h3{font-size:20px;margin-bottom:8px}
.principle p{font-size:15px;max-width:520px}
@media(max-width:600px){.principle{grid-template-columns:1fr;gap:8px}}

/* ---------- Founder ---------- */
.founder-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}
.founder-card{
  border:1px solid var(--line);border-radius:var(--radius);
  background:radial-gradient(circle at 75% 15%, rgba(61,132,232,.16), transparent 45%), var(--surface);
  padding:40px;display:flex;align-items:center;justify-content:center;min-height:300px;
}
.founder-card img{width:150px;height:150px;border-radius:50%}
.quote{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:clamp(22px,3vw,30px);line-height:1.25;letter-spacing:-.01em;margin-bottom:20px}
@media(max-width:820px){.founder-grid{grid-template-columns:1fr;gap:36px}.founder-card{padding:30px}}

/* ---------- CTA band ---------- */
.cta-band{
  border:1px solid var(--line);border-radius:24px;
  background:radial-gradient(circle at 85% 20%, rgba(61,132,232,.20), transparent 45%), var(--surface);
  padding:52px 44px;display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(24px,3vw,32px);max-width:460px}
.cta-band p{margin-top:10px;max-width:420px}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line-soft);padding:44px 0;margin-top:40px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;align-items:center}
footer .foot-brand{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-faint)}
footer .foot-brand img{width:24px;height:24px;border-radius:50%}
footer .foot-links{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
footer .foot-links .social-link{width:36px;height:36px}
footer .foot-links .social-link svg{width:15px;height:15px}

/* ---------- Forms ---------- */
.form-grid{display:grid;gap:16px;max-width:520px}
.form-grid label{font-size:13px;font-weight:600;color:var(--ink-dim);margin-bottom:6px;display:block}
.form-grid input,.form-grid textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);font-family:inherit;font-size:15px;color:var(--ink);
}
.form-grid input::placeholder,.form-grid textarea::placeholder{color:var(--ink-faint)}
.form-grid textarea{min-height:130px;resize:vertical}
.form-grid input:focus,.form-grid textarea:focus{outline:none;border-color:var(--blue)}
.form-status{font-size:14px;min-height:20px}
.form-status.ok{color:#5fd3a0}
.form-status.err{color:#ef8a72}

/* ---------- About / contact page bits ---------- */
.page-hero{padding:64px 0 20px}
.page-hero h1{font-size:clamp(30px,4.6vw,46px);max-width:700px}
.page-hero p{max-width:600px;margin-top:16px;font-size:17px}

.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:start}
.contact-info{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:var(--surface)}
.contact-info h3{font-size:13px;color:var(--blue-bright);text-transform:none;margin-top:24px;margin-bottom:6px}
.contact-info h3:first-child{margin-top:0}
.contact-info p,.contact-info a{color:var(--ink-dim);font-size:15px}
.contact-info a:hover{color:var(--ink)}
@media(max-width:840px){.contact-grid{grid-template-columns:1fr}}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}