/* ============================================================
   ingate 2026 — Sponsorship / Participation landing page
   Design system: HeroUI v3 (tokens ported from @heroui/styles 3.2.2)
   Brand: ingate navy #081F42 + teal #00C9D0 mapped onto HeroUI
          semantic tokens. Fonts: Poppins (EN) / Cairo (AR).
   ============================================================ */

/* ============================================================
   1. HEROUI v3 PRIMITIVES
   Values taken verbatim from @heroui/styles 3.2.2
   (themes/default/variables.css + themes/shared/theme.css)
   ============================================================ */
:root{
  /* -- radius scale: everything derives from --radius -- */
  --radius:0.5rem;                              /* 8px  */
  --radius-xs:calc(var(--radius) * 0.25);       /* 2px  */
  --radius-sm:calc(var(--radius) * 0.5);        /* 4px  */
  --radius-md:calc(var(--radius) * 0.75);       /* 6px  */
  --radius-lg:calc(var(--radius) * 1);          /* 8px  */
  --radius-xl:calc(var(--radius) * 1.5);        /* 12px */
  --radius-2xl:calc(var(--radius) * 2);         /* 16px */
  --radius-3xl:calc(var(--radius) * 3);         /* 24px */
  --radius-4xl:calc(var(--radius) * 4);         /* 32px */
  --radius-field:calc(var(--radius) * 1.5);     /* 12px */

  /* -- spacing / borders / focus -- */
  --spacing:0.25rem;
  --border-width:1px;
  --field-border-width:0px;      /* HeroUI fields are borderless by default */
  --ring-width:2px;
  --ring-offset-width:2px;
  --disabled-opacity:0.5;

  /* -- easing -- */
  --ease-smooth:ease;
  --ease-out:cubic-bezier(0.25,0.46,0.45,0.94);
  --ease-out-fluid:cubic-bezier(0.32,0.72,0,1);
  --ease-out-quart:cubic-bezier(0.165,0.84,0.44,1);

  /* -- HeroUI signature layered shadows -- */
  --shadow-sm:
    0px 0px 5px 0px rgb(0 0 0 / .02),
    0px 2px 10px 0px rgb(0 0 0 / .06),
    0px 0px 1px 0px rgb(0 0 0 / .3);
  --shadow-md:
    0px 0px 15px 0px rgb(0 0 0 / .03),
    0px 2px 30px 0px rgb(0 0 0 / .08),
    0px 0px 1px 0px rgb(0 0 0 / .3);
  --shadow-lg:
    0px 0px 30px 0px rgb(0 0 0 / .04),
    0px 30px 60px 0px rgb(0 0 0 / .12),
    0px 0px 1px 0px rgb(0 0 0 / .3);

  /* ==========================================================
     2. SEMANTIC TOKENS — LIGHT (ingate brand)
     ========================================================== */
  --brand-navy:#081F42;
  --brand-navy-600:#0C2C5C;
  --brand-navy-400:#14417F;
  --brand-teal:#00C9D0;
  --brand-teal-600:#00A8AE;

  --background:#F4F5F7;          /* HeroUI: page sits on soft grey, not white */
  --foreground:#12182A;
  --surface:#FFFFFF;
  --surface-foreground:var(--foreground);
  --surface-secondary:#EDEFF3;
  --surface-tertiary:#E4E7EC;
  --muted:#5B6577;
  --divider:rgba(17,17,17,.10);
  --default:#EEF0F4;
  --default-foreground:var(--foreground);

  --accent:var(--brand-teal);
  --accent-foreground:var(--brand-navy);   /* navy on teal = accessible */
  --focus:var(--brand-teal-600);
  --danger:#E4405F;
  --danger-foreground:#FFFFFF;

  /* fields sit inside a white card, so they carry a light fill to stay
     legible, and go white on focus — HeroUI's borderless filled input */
  --field-background:#F1F3F6;
  --field-foreground:var(--foreground);
  --field-placeholder:#7C8698;
  --field-border:transparent;
  --field-border-hover:transparent;
  --field-hover:#E9EDF2;
  --field-focus:#FFFFFF;
  --shadow-field:var(--shadow-sm);
  --shadow-surface:var(--shadow-md);

  --container:1200px;
}

/* ==========================================================
   3. SEMANTIC TOKENS — DARK SCOPE
   HeroUI scopes themes by class. Applied to the navy sections
   so the same components work on dark ground.
   ========================================================== */
.theme-dark{
  color-scheme:dark;
  --background:var(--brand-navy);
  --foreground:#F2F5F9;
  --surface:rgba(255,255,255,.06);
  --surface-secondary:rgba(255,255,255,.09);
  --surface-tertiary:rgba(255,255,255,.12);
  --muted:rgba(233,239,247,.68);
  --divider:rgba(255,255,255,.12);
  --default:rgba(255,255,255,.08);
  --default-foreground:#F2F5F9;

  --accent:var(--brand-teal);
  --accent-foreground:var(--brand-navy);
  --focus:var(--brand-teal);
  --danger:#FF9AA6;

  --field-background:rgba(255,255,255,.06);
  --field-foreground:#FFFFFF;
  --field-placeholder:rgba(255,255,255,.38);
  --field-border:transparent;
  --field-hover:rgba(255,255,255,.09);
  --field-focus:rgba(255,255,255,.10);

  /* HeroUI dark shadows carry an inset hairline instead of a dark halo */
  --shadow-sm:
    0px 0px 5px 0px rgb(0 0 0 / .05),
    0px 2px 10px 0px rgb(0 0 0 / .2),
    inset 0px 0px 1px 0px rgb(255 255 255 / .15);
  --shadow-md:
    0px 0px 15px 0px rgb(0 0 0 / .06),
    0px 2px 30px 0px rgb(0 0 0 / .22),
    inset 0px 0px 1px 0px rgb(255 255 255 / .15);
  --shadow-lg:
    0px 0px 30px 0px rgb(0 0 0 / .07),
    0px 30px 60px 0px rgb(0 0 0 / .26),
    inset 0px 0px 1px 0px rgb(255 255 255 / .15);
  --shadow-field:none;
  --shadow-surface:var(--shadow-md);
}

/* ============================================================
   4. BASE
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  font-family:"Poppins",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;line-height:1.65;
  color:var(--foreground);background:var(--background);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
}
html[dir="rtl"] body{font-family:"Rubik","Poppins",system-ui,"Segoe UI",Tahoma,Arial,sans-serif}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font:inherit;color:inherit}
.wrap{width:min(92%,var(--container));margin-inline:auto}

/* HeroUI focus ring: 2px ring + 2px offset in the background colour */
:where(a,button,input,summary):focus-visible{
  outline:none;
  box-shadow:
    0 0 0 var(--ring-offset-width) var(--background),
    0 0 0 calc(var(--ring-offset-width) + var(--ring-width)) var(--focus);
}

/* ============================================================
   5. BUTTON  — HeroUI v3: rounded-3xl (24px), h-40, scale on press
   ============================================================ */
.btn{
  position:relative;isolation:isolate;
  display:inline-flex;align-items:center;justify-content:center;gap:calc(var(--spacing) * 2);
  height:40px;width:fit-content;padding-inline:calc(var(--spacing) * 5);
  border-radius:var(--radius-3xl);
  font-size:.875rem;font-weight:500;line-height:1;white-space:nowrap;
  transform-origin:center;
  -webkit-tap-highlight-color:transparent;
  transition:
    transform 250ms var(--ease-smooth),
    background-color 100ms var(--ease-out),
    color 100ms var(--ease-out),
    box-shadow 100ms var(--ease-out);
  will-change:transform;
}
html[dir="rtl"] .btn{font-size:.95rem}
.btn:active{transform:scale(.97)}

.btn-teal{background:var(--accent);color:var(--accent-foreground)}
.btn-teal:hover{background:#25D8DE}

.btn-ghost{
  background:transparent;color:var(--foreground);
  box-shadow:inset 0 0 0 var(--border-width) var(--divider);
}
.theme-dark .btn-ghost{color:#fff;box-shadow:inset 0 0 0 var(--border-width) rgba(255,255,255,.28)}
.btn-ghost:hover{background:var(--default)}
.theme-dark .btn-ghost:hover{background:rgba(255,255,255,.10)}

.btn-sm{height:36px;padding-inline:calc(var(--spacing) * 3)}
.btn-sm:active{transform:scale(.98)}
.btn-lg{height:44px;font-size:1rem;padding-inline:calc(var(--spacing) * 7)}
.btn-lg:active{transform:scale(.96)}
.btn[disabled]{opacity:var(--disabled-opacity);pointer-events:none;transform:none}

/* ============================================================
   6. NAV
   ============================================================ */
.nav{
  position:fixed;inset-block-start:0;inset-inline:0;z-index:900;
  padding:calc(var(--spacing) * 4) 0;
  transition:background 300ms var(--ease-out-fluid),padding 300ms var(--ease-out-fluid),box-shadow 300ms var(--ease-out-fluid);
}
.nav.is-stuck{
  background:rgba(8,31,66,.92);
  -webkit-backdrop-filter:blur(14px) saturate(160%);backdrop-filter:blur(14px) saturate(160%);
  padding:calc(var(--spacing) * 2.5) 0;
  box-shadow:var(--shadow-md);
}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:calc(var(--spacing) * 5)}
.nav-brand img{width:104px;height:auto;filter:brightness(0) invert(1)}

html[dir="rtl"] .nav-link{font-size:.95rem}

.nav-right{display:flex;align-items:center;gap:calc(var(--spacing) * 3)}
.lang-btn{
  display:inline-flex;align-items:center;height:36px;padding-inline:calc(var(--spacing) * 3);
  border-radius:var(--radius-2xl);color:#fff;font-size:.875rem;font-weight:500;
  transition:background-color 100ms var(--ease-out);
}
html[dir="rtl"] .lang-btn{font-size:.95rem}
.lang-btn:hover{background:rgba(255,255,255,.12)}

/* ============================================================
   7. HERO
   ============================================================ */
.hero{
  position:relative;min-height:min(100svh,880px);display:flex;align-items:center;
  padding:calc(var(--spacing) * 38) 0 calc(var(--spacing) * 22);
  color:var(--foreground);overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(1100px 620px at 78% 18%, rgba(0,201,208,.20), transparent 62%),
    radial-gradient(760px 520px at 8% 88%, rgba(0,201,208,.10), transparent 60%),
    linear-gradient(160deg,#0A2551 0%,var(--brand-navy) 45%,#061733 100%);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:74px 74px;
  -webkit-mask-image:radial-gradient(circle at 50% 42%,#000 12%,transparent 74%);
  mask-image:radial-gradient(circle at 50% 42%,#000 12%,transparent 74%);
}
.hero-in{position:relative;z-index:1;}

/* HeroUI Chip — rounded-2xl (16px) */

.hero-title{
  font-size:clamp(34px,5.6vw,68px);line-height:1.1;font-weight:600;letter-spacing:-.02em;
  max-width:15ch;margin-bottom:calc(var(--spacing) * 6);color:#fff;
}
html[dir="rtl"] .hero-title{letter-spacing:normal;line-height:1.3;max-width:18ch}
.hero-sub{
  font-size:clamp(15.5px,1.5vw,18px);color:var(--muted);
  max-width:62ch;margin-bottom:calc(var(--spacing) * 8);
}

/* HeroUI Card — rounded-3xl (24px) */
.hero-facts{list-style:none;display:flex;flex-wrap:wrap;gap:calc(var(--spacing) * 3);margin-bottom:calc(var(--spacing) * 9)}
.hero-facts li{
  display:flex;flex-direction:column;gap:calc(var(--spacing) * .5);
  padding:calc(var(--spacing) * 3.5) calc(var(--spacing) * 5.5);
  border-radius:var(--radius-3xl);
  background:var(--surface);box-shadow:var(--shadow-surface);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.fact-k{font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-teal);font-weight:600}
html[dir="rtl"] .fact-k{letter-spacing:normal;text-transform:none;font-size:.875rem}
.fact-v{font-size:.975rem;font-weight:500;color:#fff}
.hero-cta{display:flex;flex-wrap:wrap;gap:calc(var(--spacing) * 3.5);margin-bottom:calc(var(--spacing) * 6)}

/* ============================================================
   9. SECTIONS
   ============================================================ */
.sec{padding:calc(var(--spacing) * 24) 0}

.sec-title{
  font-size:clamp(26px,3.5vw,42px);line-height:1.22;font-weight:600;letter-spacing:-.02em;
  color:var(--brand-navy);max-width:20ch;margin-bottom:calc(var(--spacing) * 12);
}
html[dir="rtl"] .sec-title{letter-spacing:normal;line-height:1.4;max-width:24ch}

/* ============================================================
   10. REGISTER / FORM
   ============================================================ */
.register{
  background:
    radial-gradient(900px 520px at 82% 4%, rgba(0,201,208,.10), transparent 60%),
    var(--background);
}
.reg-head{max-width:760px;margin-bottom:calc(var(--spacing) * 12)}
.reg-head .sec-title{margin-bottom:calc(var(--spacing) * 4);max-width:22ch}

/* HeroUI Card, large */
.form{
  background:var(--surface);
  box-shadow:var(--shadow-lg);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-radius:min(32px,var(--radius-4xl));
  padding:calc(var(--spacing) * 11) calc(var(--spacing) * 10);
}
.fs{border:none;margin-bottom:calc(var(--spacing) * 9)}
.fs:last-of-type{margin-bottom:calc(var(--spacing) * 7)}
.fs-legend{font-size:1.05rem;font-weight:600;color:var(--foreground);margin-bottom:calc(var(--spacing) * 4.5);padding:0}

/* --- selectable cards (radio) --- */

/* --- HeroUI Input: rounded-field (12px), borderless, filled --- */
.fields{display:grid;grid-template-columns:repeat(2,1fr);gap:calc(var(--spacing) * 5)}
.field{display:flex;flex-direction:column;gap:calc(var(--spacing) * 2)}
.field-full{grid-column:1 / -1}
.field label{font-size:.85rem;font-weight:500;color:var(--muted)}
.field input{
  height:48px;padding-inline:calc(var(--spacing) * 3.5);
  border-radius:var(--radius-field);
  background:var(--field-background);
  color:var(--field-foreground);
  border:var(--field-border-width) solid var(--field-border);
  box-shadow:var(--shadow-field);
  font-size:.97rem;
  transition:
    background-color 150ms var(--ease-smooth),
    box-shadow 150ms var(--ease-out);
}
.field input::placeholder{color:var(--field-placeholder)}
.field input:hover:not(:focus){background:var(--field-hover)}
/* focus ring sits directly against the field — HeroUI focus-field-ring */
.field input:focus{
  outline:none;background:var(--field-focus);
  box-shadow:0 0 0 var(--ring-width) var(--focus);
}
.field input[aria-invalid="true"]{box-shadow:0 0 0 var(--border-width) var(--danger)}
.field input[aria-invalid="true"]:focus{box-shadow:0 0 0 var(--ring-width) var(--danger)}

.err{font-size:.8rem;color:var(--danger)}

.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:calc(var(--spacing) * 4.5)}
.form-msg{font-size:.9rem;font-weight:500}
.form-msg.ok{color:var(--accent)}
.form-msg.bad{color:var(--danger)}

.done-ico{
  width:64px;height:64px;margin:0 auto calc(var(--spacing) * 5);
  border-radius:var(--radius-3xl);
  display:grid;place-items:center;
  background:rgba(0,201,208,.16);
  box-shadow:inset 0 0 0 var(--border-width) var(--accent);
}
.done-ico svg{width:28px;height:28px;stroke:var(--accent);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

/* ============================================================
   10b. THANK-YOU PAGE
   ============================================================ */
.ty{
  min-height:calc(100svh - 260px);
  display:flex;align-items:center;
  padding:calc(var(--spacing) * 34) 0 calc(var(--spacing) * 24);
  background:
    radial-gradient(900px 520px at 78% 6%, rgba(0,201,208,.10), transparent 60%),
    var(--background);
}
.ty-card{
  max-width:640px;margin-inline:auto;text-align:center;
  padding:calc(var(--spacing) * 14) calc(var(--spacing) * 10);
  border-radius:min(32px,var(--radius-4xl));
  background:var(--surface);box-shadow:var(--shadow-lg);
}
.ty-card .done-ico{margin-bottom:calc(var(--spacing) * 7)}
.ty-title{
  font-size:clamp(26px,3.4vw,38px);line-height:1.2;font-weight:600;letter-spacing:-.02em;
  color:var(--brand-navy);margin-bottom:calc(var(--spacing) * 4);
}
html[dir="rtl"] .ty-title{letter-spacing:normal;line-height:1.4}
.ty-body{font-size:1.02rem;color:var(--muted);max-width:46ch;margin:0 auto calc(var(--spacing) * 8)}

/* ============================================================
   11. FOOTER
   ============================================================ */
.foot{background:#061733;padding:calc(var(--spacing) * 14) 0 0}
.foot-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:calc(var(--spacing) * 8);padding-bottom:calc(var(--spacing) * 9)}
.foot-logo{width:112px;filter:brightness(0) invert(1);margin-bottom:calc(var(--spacing) * 3)}
.foot-tag{font-size:.85rem;color:var(--muted)}
.foot-org{display:flex;flex-direction:column;gap:calc(var(--spacing) * 2.5)}
.foot-org-label{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
html[dir="rtl"] .foot-org-label{letter-spacing:normal;text-transform:none;font-size:.82rem}
.foot-org-logo{width:120px;filter:brightness(0) invert(1);opacity:.9}
.foot-nav{display:flex;flex-wrap:wrap;gap:calc(var(--spacing) * 6)}
.foot-nav a{font-size:.875rem;color:var(--muted);transition:color 100ms var(--ease-out)}
.foot-nav a:hover{color:var(--accent)}
.foot-btm{border-top:var(--border-width) solid var(--divider);padding:calc(var(--spacing) * 5) 0;text-align:center}
.foot-btm p{font-size:.78rem;color:rgba(255,255,255,.42)}

/* ============================================================
   12. REVEAL
   ============================================================ */
.reveal{opacity:0;transform:translateY(20px);transition:opacity 700ms var(--ease-out-fluid),transform 700ms var(--ease-out-fluid)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
}

/* ============================================================
   13. RESPONSIVE
   ============================================================ */

@media (max-width:900px){

  .form{padding:calc(var(--spacing) * 8) calc(var(--spacing) * 6)}
}
@media (max-width:680px){
  .sec{padding:calc(var(--spacing) * 17) 0}
  .hero{padding:calc(var(--spacing) * 32) 0 calc(var(--spacing) * 17)}

  .fields{grid-template-columns:1fr}
  .hero-facts{flex-direction:column;align-items:stretch}
  .hero-cta{flex-direction:column;align-items:stretch}
  .btn{width:100%}
  .nav-brand img{width:88px}
  .form-foot{flex-direction:column;align-items:stretch;text-align:center}
  .foot-in{flex-direction:column;align-items:flex-start}
}