/* ==========================================================================
   C4 SPORTS — Design System
   Palette drawn from the brand mark's diagonal flag gradient.
   Signature device: the diagonal "flag cut" (parallelogram) from the C4 mark,
   used throughout as image frames, dividers, buttons and markers.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Anton&family=Poppins:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Space+Mono:wght@400;700&display=swap');

:root{
  /* Core palette */
  --ink:        #0b0b0d;   /* primary black */
  --ink-soft:   #151519;   /* raised black surface */
  --ink-line:   #26262c;   /* hairlines on dark */
  --paper:      #f7f5ef;   /* primary light bg */
  --paper-dim:  #eeebe1;   /* card surface on light */
  --paper-line: #ddd8ca;   /* hairlines on light */
  --ink-70:     rgba(247,245,239,.7);
  --ink-50:     rgba(247,245,239,.5);
  --dark-70:    rgba(11,11,13,.7);
  --dark-50:    rgba(11,11,13,.5);

  /* Brand gradient (flame -> signal -> violet), matches the "4" flag */
  --flame:  #ff7a3d;
  --signal: #ec4899;
  --violet: #8b5cf6;
  --grad-flag: linear-gradient(135deg, var(--violet) 0%, var(--signal) 52%, var(--flame) 100%);
  --grad-flag-rev: linear-gradient(315deg, var(--violet) 0%, var(--signal) 52%, var(--flame) 100%);

  /* Type */
  --f-display: 'Anton', 'Poppins', sans-serif;
  --f-body: 'Poppins', -apple-system, sans-serif;
  --f-mono: 'Space Mono', monospace;

  /* Spacing scale */
  --sp-1: .5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2.5rem;
  --sp-5: 4rem;
  --sp-6: 6.5rem;

  /* Shape signature: flag clip-path (diagonal cut top-left / bottom-right) */
  --clip-flag: polygon(3.5% 0%, 100% 0%, 96.5% 100%, 0% 100%);
  --clip-flag-tight: polygon(6% 0%, 100% 0%, 94% 100%, 0% 100%);
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p{ margin:0; }
button{ font-family: inherit; cursor:pointer; }
:focus-visible{ outline: 2px solid var(--signal); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

.wrap{ max-width: 1240px; margin: 0 auto; padding: 0 var(--sp-3); }
@media (max-width: 640px){ .wrap{ padding: 0 1.25rem; } }

section{ position: relative; }

/* ---------- Eyebrow / labels ---------- */
.eyebrow{
  font-family: var(--f-mono);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  display:inline-flex;
  align-items:center;
  gap:.6em;
  color: var(--signal);
  margin-bottom: var(--sp-2);
}
.eyebrow::before{
  content:"";
  width: 22px; height: 10px;
  background: var(--grad-flag);
  clip-path: var(--clip-flag);
  display:inline-block;
}
.on-dark .eyebrow{ color: #ffb199; }

/* ---------- Headings ---------- */
h1,h2,h3, .h1,.h2,.h3{
  font-family: var(--f-display);
  text-transform: uppercase;
  font-weight: 400;
  letter-spacing: .01em;
  line-height: 1.02;
}
h1, .h1{ font-size: clamp(2.6rem, 6vw, 5.4rem); }
h2, .h2{ font-size: clamp(2rem, 4.2vw, 3.4rem); }
h3, .h3{ font-size: clamp(1.25rem, 2vw, 1.6rem); }
.section-head{ max-width: 720px; margin-bottom: var(--sp-4); }
.section-head p{ font-size: 1.08rem; color: var(--dark-70); margin-top: var(--sp-2); }
.on-dark .section-head p{ color: var(--ink-70); }
.center{ text-align:center; margin-left:auto; margin-right:auto; }

.lede{ font-size: clamp(1.1rem, 1.6vw, 1.4rem); font-weight: 300; line-height: 1.55; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.6em;
  font-family: var(--f-mono);
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 1.05em 1.7em 1.05em 1.5em;
  clip-path: var(--clip-flag-tight);
  transition: transform .35s var(--ease), background .3s, color .3s;
  white-space: nowrap;
}
.btn:hover{ transform: translate(2px,-2px); }
.btn-primary{ background: var(--grad-flag); color: #fff; }
.btn-ghost{ background: transparent; color: var(--ink); border: 1px solid var(--ink); clip-path: none; padding: 1em 1.6em; }
.btn-ghost:hover{ background: var(--ink); color: var(--paper); }
.on-dark .btn-ghost{ color: var(--paper); border-color: var(--ink-line); }
.on-dark .btn-ghost:hover{ background: var(--paper); color: var(--ink); }
.btn-arrow{ font-size: 1.1em; transition: transform .3s var(--ease); }
.btn:hover .btn-arrow{ transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 100;
  padding: 1.15rem 0;
  transition: background .35s var(--ease), padding .35s var(--ease), border-color .35s;
  border-bottom: 1px solid transparent;
  pointer-events: none;
}
.site-header.is-scrolled{
  background: rgba(11,11,13,.92);
  backdrop-filter: blur(10px);
  padding: .75rem 0;
  border-color: var(--ink-line);
}
.site-header .wrap{ max-width: 1360px; display:flex; align-items:center; justify-content:space-between; gap: var(--sp-2); }
.brand{ display:flex; align-items:center; flex-shrink:0; pointer-events:auto; }
.brand img{ height: 28px; width:auto; transform: translateZ(0); backface-visibility: hidden; }
.header-cta{ display:flex; align-items:center; gap: var(--sp-3); flex-shrink:0; pointer-events:auto; }
.header-cta .btn{ padding: .75em 1.2em; font-size: .7rem; white-space:nowrap; }
.header-cta .btn-ghost{ color: var(--paper); border: 1px solid var(--ink-line); }
.header-cta .btn-ghost:hover{ background: var(--paper); color: var(--ink); }
.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:0; padding: .5rem;
}
.nav-toggle span{ width:24px; height:2px; background:#fff; transition: transform .3s, opacity .3s; }

/* Desktop nav: sits in its own fixed layer (sibling of header) to avoid
   nested position:fixed + transform compositing glitches on mobile drawer */
.main-nav{
  position: fixed; top:0; left:0; right:0; z-index: 101;
  height: 68px; display:flex; align-items:center; justify-content:center;
  pointer-events: none;
  transition: height .35s var(--ease);
}
.main-nav.is-scrolled{ height: 54px; }
.main-nav ul{ display:flex; gap: 1.35rem; flex-wrap: nowrap; pointer-events:auto; }
.main-nav a{
  font-family: var(--f-mono); font-size: .71rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-70); position:relative; padding: .3rem 0; white-space: nowrap;
}
.main-nav a::after{
  content:""; position:absolute; left:0; bottom:-2px; width:0; height:2px;
  background: var(--grad-flag); transition: width .3s var(--ease);
}
.main-nav a:hover, .main-nav a.active{ color:#fff; }
.main-nav a:hover::after, .main-nav a.active::after{ width:100%; }

@media (max-width: 1180px){
  .main-nav{ position: fixed; top:0; bottom:0; right:-100%; left:auto;
    width: min(78vw, 340px); height:100vh;
    background: var(--ink); flex-direction:column; align-items:flex-start; justify-content:center;
    padding: var(--sp-5) var(--sp-4); transition: right .4s var(--ease); pointer-events:auto; }
  .main-nav.is-open{ right:0; }
  .main-nav ul{ flex-direction:column; gap: 1.4rem; }
  .main-nav a{ font-size: .95rem; }
  .header-cta .btn-ghost{ display:none; }
  .nav-toggle{ display:flex; pointer-events:auto; }
  .nav-toggle.is-open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2){ opacity:0; }
  .nav-toggle.is-open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- Hero ---------- */
.hero{
  background: var(--ink); color: var(--paper);
  padding: 9.5rem 0 var(--sp-6);
  position: relative; overflow:hidden;
}
.hero::before{
  content:""; position:absolute; inset:0;
  background-image: radial-gradient(rgba(255,255,255,.09) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
  opacity:.5;
}
.hero .wrap{ position:relative; z-index:2; }
.hero-grid{ display:grid; grid-template-columns: 1.15fr .85fr; gap: var(--sp-5); align-items:end; }
.hero h1{ margin-bottom: var(--sp-3); }
.hero h1 .grad{ background: var(--grad-flag); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero-actions{ display:flex; gap: var(--sp-3); margin-top: var(--sp-4); flex-wrap:wrap; }
.hero-art{ position:relative; aspect-ratio: 4/5; clip-path: var(--clip-flag); overflow:hidden; }
.hero-art svg{ width:100%; height:100%; display:block; }
.hero-foot{ margin-top: var(--sp-5); padding-top: var(--sp-4); border-top: 1px solid var(--ink-line);
  display:flex; justify-content:space-between; gap: var(--sp-3); flex-wrap:wrap; }
.hero-foot .lede{ max-width: 640px; color: var(--ink-70); }

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-art{ aspect-ratio: 16/10; order:-1; }
  .hero{ padding-top: 7.5rem; }
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{ background: var(--ink); color: var(--paper); padding: 8.5rem 0 var(--sp-5); position:relative; overflow:hidden; }
.page-hero::after{
  content:""; position:absolute; right:-6%; top:50%; transform:translateY(-50%);
  width: 46vw; height: 46vw; max-width:640px; max-height:640px;
  background: var(--grad-flag); opacity:.16; filter: blur(60px); clip-path: var(--clip-flag); pointer-events:none;
}
.page-hero .wrap{ position:relative; z-index:2; }
.breadcrumb{ font-family: var(--f-mono); font-size:.75rem; letter-spacing:.08em; text-transform:uppercase; color: var(--ink-50); margin-bottom: var(--sp-3); display:flex; gap:.5em; }
.breadcrumb a:hover{ color:#fff; }
.page-hero h1{ max-width: 900px; }
.page-hero .lede{ max-width: 680px; margin-top: var(--sp-3); color: var(--ink-70); }
.page-index{ font-family: var(--f-mono); color: var(--flame); font-size: .85rem; letter-spacing:.1em; }

/* ---------- Sections ---------- */
.section{ padding: var(--sp-6) 0; }
.section-tight{ padding: var(--sp-5) 0; }
.on-dark{ background: var(--ink); color: var(--paper); }
.on-dim{ background: var(--paper-dim); }

/* ---------- Stat band ---------- */
.stat-band{ background: var(--ink); color:#fff; padding: var(--sp-5) 0; }
.stat-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: var(--sp-4); }
.stat{ border-left: 1px solid var(--ink-line); padding-left: var(--sp-3); }
.stat .num{ font-family: var(--f-display); font-size: clamp(2.2rem,4vw,3.4rem); background: var(--grad-flag); -webkit-background-clip:text; background-clip:text; color:transparent; }
.stat .cap{ font-family: var(--f-mono); font-size:.76rem; letter-spacing:.08em; text-transform:uppercase; color: var(--ink-70); margin-top:.4rem; }
@media (max-width: 900px){ .stat-grid{ grid-template-columns: repeat(2,1fr); gap: var(--sp-3) var(--sp-3); } }

/* ---------- Card grids ---------- */
.grid{ display:grid; gap: var(--sp-3); }
.grid-2{ grid-template-columns: repeat(2,1fr); }
.grid-3{ grid-template-columns: repeat(3,1fr); }
.grid-4{ grid-template-columns: repeat(4,1fr); }
@media (max-width: 980px){ .grid-4{ grid-template-columns: repeat(2,1fr); } .grid-3{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px){ .grid-2,.grid-3,.grid-4{ grid-template-columns: 1fr; } }

.card{
  background:#fff; border: 1px solid var(--paper-line); padding: var(--sp-4);
  transition: transform .4s var(--ease), border-color .4s;
  position:relative;
}
.card:hover{ transform: translateY(-4px); border-color: var(--violet); }
.card .flag-icon{ width:44px; height:44px; margin-bottom: var(--sp-3); color: var(--violet); stroke: var(--violet); }
.flag-icon{ fill:none; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:round; }
.card h3{ margin-bottom: .6rem; text-transform:none; font-family: var(--f-body); font-weight:600; font-size:1.18rem; letter-spacing:0; }
.card p{ color: var(--dark-70); font-size:.96rem; }
.card .card-link{ display:inline-flex; align-items:center; gap:.4em; margin-top: var(--sp-2); font-family: var(--f-mono); font-size:.74rem; letter-spacing:.06em; text-transform:uppercase; color: var(--violet); }

.pillar-card{ background: var(--ink); color:#fff; padding: var(--sp-4); position:relative; overflow:hidden; border:1px solid var(--ink-line); transition: border-color .4s, transform .4s var(--ease); }
.pillar-card:hover{ transform: translateY(-4px); border-color: var(--signal); }
.pillar-card .idx{ font-family: var(--f-mono); font-size:.75rem; color: var(--flame); letter-spacing:.1em; }
.pillar-card h3{ text-transform:uppercase; font-family: var(--f-display); font-weight:400; font-size:1.4rem; margin: .8rem 0 .7rem; letter-spacing:.01em; }
.pillar-card p{ color: var(--ink-70); font-size:.95rem; }
.pillar-card .card-link{ color: #ffb199; margin-top: var(--sp-3); display:inline-flex; gap:.4em; font-family: var(--f-mono); font-size:.74rem; text-transform:uppercase; letter-spacing:.06em; align-items:center; }
.pillar-card .flag-icon{ width:40px; height:40px; color: var(--flame); stroke: var(--flame); }

/* ---------- Values / list rows ---------- */
.value-row{ display:grid; grid-template-columns: 90px 1fr; gap: var(--sp-3); padding: var(--sp-3) 0; border-top: 1px solid var(--paper-line); align-items:start; }
.value-row:last-child{ border-bottom: 1px solid var(--paper-line); }
.value-row .vname{ font-family: var(--f-mono); font-size:.78rem; letter-spacing:.08em; text-transform:uppercase; color: var(--violet); padding-top:.2rem; }
.value-row h3{ text-transform:none; font-family: var(--f-body); font-weight:600; font-size:1.15rem; margin-bottom:.35rem; }
.value-row p{ color: var(--dark-70); font-size:.96rem; max-width:620px; }
@media (max-width:640px){ .value-row{ grid-template-columns:1fr; gap:.4rem; } }

/* ---------- Checklist / service list ---------- */
.checklist{ display:grid; grid-template-columns: repeat(2,1fr); gap: .9rem 1.6rem; }
.checklist li{ display:flex; gap:.7em; font-size:.98rem; align-items:flex-start; }
.checklist li::before{
  content:""; flex:0 0 14px; width:14px; height:14px; margin-top:.3em;
  background: var(--grad-flag); clip-path: var(--clip-flag);
}
@media (max-width:640px){ .checklist{ grid-template-columns:1fr; } }

/* ---------- Image frame (flag clip) ---------- */
.img-flag{ clip-path: var(--clip-flag); overflow:hidden; position:relative; }
.img-flag img, .img-flag svg{ width:100%; height:100%; object-fit:cover; }

/* ---------- Split section ---------- */
.split{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5); align-items:center; }
@media (max-width:900px){ .split{ grid-template-columns:1fr; gap: var(--sp-4); } }
.split.reverse .split-media{ order:2; }

/* ---------- Quote / philosophy strip ---------- */
.philosophy{ background: var(--ink); color:#fff; padding: var(--sp-6) 0; text-align:center; position:relative; overflow:hidden; }
.philosophy .words{ display:flex; flex-wrap:wrap; justify-content:center; gap: .4em 1em; font-family: var(--f-display); font-size: clamp(1.6rem,4.4vw,3.2rem); text-transform:uppercase; margin-top: var(--sp-3); }
.philosophy .words span{ background: var(--grad-flag); -webkit-background-clip:text; background-clip:text; color:transparent; }
.philosophy .words b{ font-weight:400; color: var(--paper); }

/* ---------- CTA band ---------- */
.cta-band{ background: var(--grad-flag); color:#fff; padding: var(--sp-5) 0; }
.cta-band .wrap{ display:flex; justify-content:space-between; align-items:center; gap: var(--sp-3); flex-wrap:wrap; }
.cta-band h2{ font-size: clamp(1.8rem,3.6vw,2.8rem); }
.cta-band .btn-primary{ background: var(--ink); }

/* ---------- Logos / served-by strip ---------- */
.served-strip{ display:flex; flex-wrap:wrap; gap: .6rem; }
.served-strip span{
  font-family: var(--f-mono); font-size:.78rem; letter-spacing:.05em; text-transform:uppercase;
  padding: .7em 1.1em; border:1px solid var(--paper-line); color: var(--dark-70);
}

/* ---------- Footer ---------- */
.site-footer{ background: var(--ink); color: var(--ink-70); padding: var(--sp-5) 0 var(--sp-3); }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: var(--sp-4); padding-bottom: var(--sp-4); border-bottom:1px solid var(--ink-line); }
.footer-brand img{ height:28px; margin-bottom: var(--sp-2); }
.footer-brand p{ max-width:320px; font-size:.92rem; }
.footer-col h4{ font-family: var(--f-mono); font-size:.74rem; letter-spacing:.08em; text-transform:uppercase; color:#fff; margin-bottom: var(--sp-2); }
.footer-col ul{ display:flex; flex-direction:column; gap:.6rem; }
.footer-col a{ font-size:.92rem; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{ display:flex; justify-content:space-between; padding-top: var(--sp-3); font-size:.8rem; flex-wrap:wrap; gap:.6rem; }
.social-row{ display:flex; gap: .9rem; }
.social-row a{ font-family: var(--f-mono); font-size:.76rem; text-transform:uppercase; letter-spacing:.06em; }
@media (max-width: 900px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .footer-grid{ grid-template-columns: 1fr; } .footer-bottom{ flex-direction:column; } }

/* ---------- Contact page ---------- */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5); }
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; } }
.field{ margin-bottom: var(--sp-3); }
.field label{ display:block; font-family: var(--f-mono); font-size:.74rem; letter-spacing:.08em; text-transform:uppercase; margin-bottom:.5rem; color: var(--dark-70); }
.field input, .field select, .field textarea{
  width:100%; padding: .9em 1em; border:1px solid var(--paper-line); background:#fff; font-family: var(--f-body); font-size:.98rem; color: var(--ink);
}
.field textarea{ resize: vertical; min-height:130px; }
.field input:focus, .field select:focus, .field textarea:focus{ border-color: var(--violet); }
.contact-info-card{ background: var(--ink); color:#fff; padding: var(--sp-4); }
.contact-info-card .row{ display:flex; gap: var(--sp-2); padding: var(--sp-2) 0; border-top:1px solid var(--ink-line); }
.contact-info-card .row:first-of-type{ border-top:none; }
.contact-info-card .label{ font-family: var(--f-mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color: var(--flame); width:110px; flex-shrink:0; }

/* ---------- Reveal animation ---------- */
.reveal{ opacity:0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible{ opacity:1; transform:none; }

/* ---------- Misc ---------- */
.divider{ height:1px; background: var(--paper-line); }
.divider.dark{ background: var(--ink-line); }
.tag-flag{ display:inline-block; width:34px; height:16px; background: var(--grad-flag); clip-path: var(--clip-flag); }