/* ===================================================================
   Tatman Games — base
=================================================================== */

:root{
  --bg: #08080b;
  --bg-alt: #101014;
  --surface: #16161c;
  --surface-2: #1c1c24;
  --border: rgba(255,255,255,0.08);
  --text: #f2f1ee;
  --text-dim: #a9a8b3;
  --brand: #f0870f;
  --brand-light: #ffab53;
  --brand-dark: #b8620a;
  --gold: #f2b705;
  --gold-light: #ffd75e;
  --ink: #241203;
  --font-head: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;
  --container: 1180px;
  --division-accent: var(--brand);
}

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

html{
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul{ list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4{
  font-family: var(--font-head);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

.section-inner{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link{
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--brand);
  color: var(--ink);
  padding: 12px 18px;
  border-radius: 8px;
  z-index: 1000;
  font-weight: 600;
}
.skip-link:focus{
  left: 24px;
  top: 24px;
}

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

::-webkit-scrollbar{ width: 10px; }
::-webkit-scrollbar-track{ background: var(--bg); }
::-webkit-scrollbar-thumb{ background: var(--brand-dark); border-radius: 6px; }

/* ===================================================================
   Preloader
=================================================================== */

.preloader{
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.preloader.is-hidden{
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.preloader__logo{
  height: 72px;
  width: auto;
  object-fit: contain;
  animation: pulseLogo 1.4s ease-in-out infinite;
}
@keyframes pulseLogo{
  0%, 100%{ transform: scale(0.9); opacity: 0.6; }
  50%{ transform: scale(1.08); opacity: 1; }
}

/* ===================================================================
   Cursor glow (desktop flourish)
=================================================================== */

.cursor-glow{
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(circle, rgba(240,135,15,0.12) 0%, rgba(240,135,15,0) 70%);
  transform: translate(-50%, -50%);
  left: -9999px;
  top: -9999px;
  transition: opacity 0.3s ease;
  will-change: left, top;
}
@media (hover: none){
  .cursor-glow{ display: none; }
}

/* ===================================================================
   Header / Nav
=================================================================== */

.site-header{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  padding: 18px 0;
  transition: background 0.35s ease, padding 0.35s ease, box-shadow 0.35s ease;
}
.site-header.is-scrolled{
  background: rgba(8,8,11,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 10px 0;
  box-shadow: 0 1px 0 var(--border);
}

.nav-wrap{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.brand__mark{
  height: 34px;
  width: auto;
  object-fit: contain;
}
.brand__word em{
  color: var(--brand);
  font-style: normal;
}

.main-nav ul{
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-nav a{
  display: inline-block;
  padding: 10px 14px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
  border-radius: 999px;
  position: relative;
  transition: color 0.25s ease;
}
.main-nav a:hover,
.main-nav a.is-active{
  color: var(--text);
}
.main-nav a:not(.nav-cta)::after{
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.main-nav a:not(.nav-cta):hover::after,
.main-nav a:not(.nav-cta).is-active::after{
  transform: scaleX(1);
}
.nav-cta{
  background: var(--brand);
  color: var(--ink) !important;
  font-weight: 600;
  margin-left: 6px;
}
.nav-cta:hover{
  background: var(--brand-light);
}

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle span{
  display: block;
  height: 2px;
  margin: 0 8px;
  background: var(--text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.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); }

/* ===================================================================
   Buttons
=================================================================== */

.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  font-family: var(--font-head);
  letter-spacing: 0.02em;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn--primary{
  background: linear-gradient(135deg, var(--brand-light), var(--brand));
  color: var(--ink);
  box-shadow: 0 8px 24px -8px rgba(240,135,15,0.55);
}
.btn--primary:hover{
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -8px rgba(240,135,15,0.7);
}
.btn--ghost{
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-color: var(--border);
  backdrop-filter: blur(6px);
}
.btn--ghost:hover{
  background: rgba(255,255,255,0.09);
  transform: translateY(-2px);
}
.btn--outline{
  background: transparent;
  color: var(--division-accent);
  border-color: var(--division-accent);
  padding: 12px 24px;
}
.btn--outline:hover{
  background: var(--division-accent);
  color: #08080b;
  transform: translateY(-2px);
}

/* ===================================================================
   Hero
=================================================================== */

.hero{
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 140px 24px 100px;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(240,135,15,0.16), transparent 60%),
    var(--bg);
}

.hero__canvas{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.75;
}

.hero__glow{
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  z-index: 0;
  opacity: 0.55;
  pointer-events: none;
}
.hero__glow--a{
  width: 480px;
  height: 480px;
  background: var(--brand);
  top: -140px;
  left: -120px;
  animation: floatSlow 14s ease-in-out infinite;
}
.hero__glow--b{
  width: 380px;
  height: 380px;
  background: var(--gold);
  bottom: -120px;
  right: -80px;
  opacity: 0.28;
  animation: floatSlow 18s ease-in-out infinite reverse;
}
@keyframes floatSlow{
  0%, 100%{ transform: translate(0, 0) scale(1); }
  50%{ transform: translate(40px, 30px) scale(1.08); }
}

.hero__content{
  position: relative;
  z-index: 2;
  max-width: 860px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__logo{
  height: 84px;
  width: auto;
  object-fit: contain;
  margin-bottom: 20px;
  opacity: 0;
  animation: heroPop 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) 0.15s forwards;
}

.hero__eyebrow{
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.78rem;
  color: var(--brand-light);
  margin: 0 0 18px;
  opacity: 0;
  animation: heroUp 0.8s ease 0.3s forwards;
}

.hero__title{
  font-size: clamp(2.4rem, 7vw, 5.2rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 22px;
}
.hero__title .line{
  display: block;
  opacity: 0;
  animation: heroUp 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.hero__title .line:nth-child(1){ animation-delay: 0.42s; }
.hero__title--accent{
  background: linear-gradient(100deg, var(--brand-light), var(--brand) 45%, var(--gold-light));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: heroUp 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) 0.58s forwards, shine 6s linear 1.5s infinite;
}

@keyframes heroPop{
  from{ opacity: 0; transform: scale(0.6) rotate(-8deg); }
  to{ opacity: 1; transform: scale(1) rotate(0); }
}
@keyframes heroUp{
  from{ opacity: 0; transform: translateY(26px); }
  to{ opacity: 1; transform: translateY(0); }
}
@keyframes shine{
  to{ background-position: -200% center; }
}

.hero__subtitle{
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 0 36px;
  opacity: 0;
  animation: heroUp 0.9s ease 0.7s forwards;
}

.hero__actions{
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  animation: heroUp 0.9s ease 0.85s forwards;
}

.scroll-cue{
  position: absolute;
  bottom: 34px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  opacity: 0;
  animation: heroUp 0.8s ease 1.2s forwards;
}
.scroll-cue__mouse{
  display: block;
  width: 26px;
  height: 42px;
  border: 2px solid var(--text-dim);
  border-radius: 14px;
  position: relative;
}
.scroll-cue__mouse span{
  position: absolute;
  top: 7px;
  left: 50%;
  width: 4px;
  height: 8px;
  margin-left: -2px;
  border-radius: 2px;
  background: var(--brand-light);
  animation: scrollDot 1.8s ease infinite;
}
@keyframes scrollDot{
  0%{ opacity: 1; transform: translateY(0); }
  70%{ opacity: 0; transform: translateY(14px); }
  100%{ opacity: 0; transform: translateY(0); }
}

/* ===================================================================
   Reveal on scroll
=================================================================== */

.reveal{
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.reveal.in-view{
  opacity: 1;
  transform: translateY(0);
}

/* ===================================================================
   Section headings (shared)
=================================================================== */

.section-heading{
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  text-align: center;
}
.section-lede{
  text-align: center;
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 56px;
  font-size: 1.05rem;
}

/* ===================================================================
   Pillars grid
=================================================================== */

.pillars{
  padding: 120px 0 100px;
  background: var(--bg);
}

.pillar-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.pillar-card{
  --accent: var(--brand);
  position: relative;
  background: linear-gradient(180deg, var(--surface), var(--bg-alt));
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px 26px;
  transform-style: preserve-3d;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  will-change: transform;
}
.pillar-card::before{
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: radial-gradient(140px circle at 50% 0%, color-mix(in srgb, var(--accent) 26%, transparent), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.pillar-card:hover{
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: 0 20px 44px -20px color-mix(in srgb, var(--accent) 55%, transparent);
}
.pillar-card:hover::before{ opacity: 1; }

.pillar-card__logo{
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
}
.pillar-card__logo img{
  height: 40px;
  width: 40px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 8px;
  background: #fff;
  padding: 4px;
}
.pillar-card__logo--text-only{ min-height: 40px; align-items: center; }
.pillar-card__logo span{
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}
.pillar-card p{
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 18px;
}
.pillar-card__link{
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  gap: 6px;
  align-items: center;
  transition: gap 0.25s ease;
}
.pillar-card__link:hover{ gap: 11px; }

/* ===================================================================
   Division sections
=================================================================== */

.division{
  padding: 110px 0;
  position: relative;
}
.division::before{
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 15% 50%, color-mix(in srgb, var(--division-accent) 10%, transparent), transparent 70%);
  pointer-events: none;
}
.division--alt::before{
  background: radial-gradient(ellipse 60% 50% at 85% 50%, color-mix(in srgb, var(--division-accent) 10%, transparent), transparent 70%);
}
.division--alt{ background: var(--bg-alt); }

.division__grid{
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.division--alt .division__grid{
  grid-template-columns: 1fr 1fr;
}
.division--alt .division__visual{ order: -1; }

.division__brand{
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}
.division__logo{
  height: 46px;
  width: 46px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 10px;
  background: #fff;
  padding: 5px;
}
.division__tag{
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 1.5rem;
  color: var(--division-accent);
}
.division__copy h2{
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  margin-bottom: 18px;
}
.division__copy p{
  color: var(--text-dim);
  margin-bottom: 22px;
}
.division__features{
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
}
.division__features li{
  position: relative;
  padding-left: 26px;
  font-size: 0.96rem;
  color: var(--text);
}
.division__features li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--division-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--division-accent) 18%, transparent);
}

/* callout badge */
.callout{
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--division-accent);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 26px;
}
.callout__icon{
  color: var(--division-accent);
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 2px;
}
.callout__title{
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 4px;
  display: block;
}
.callout__body{
  font-size: 0.9rem;
  color: var(--text-dim);
}
.callout__body a{
  color: var(--division-accent);
  font-weight: 600;
}
.callout__body a:hover{ text-decoration: underline; }

/* details / summary (privacy policy, etc.) */
.details-block{
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 26px;
  background: var(--surface);
}
.details-block summary{
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}
.details-block summary::marker{ color: var(--division-accent); }
.details-block p{
  margin: 14px 0 0;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ---- media frame (real game art) ---- */

.division__visual{ display: flex; justify-content: center; }

.media-frame{
  position: relative;
  width: 100%;
  max-width: 420px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: linear-gradient(160deg, var(--surface-2), var(--bg-alt));
  padding: 10px;
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.6);
}
.media-frame__glow{
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: var(--division-accent);
  filter: blur(70px);
  opacity: 0.28;
  top: -60px;
  right: -60px;
  pointer-events: none;
}
.media-frame img{
  position: relative;
  z-index: 1;
  border-radius: 16px;
  width: 100%;
}

.media-frame--app{
  max-width: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 40px;
}
.media-frame--app img{
  border-radius: 0;
  filter: drop-shadow(0 10px 30px rgba(0,0,0,0.4));
}

/* ===================================================================
   About
=================================================================== */

.about{
  padding: 120px 0;
  background: var(--bg);
}
.about__grid{
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 70px;
  align-items: center;
}
.about__lede{
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 18px;
}
.about p{ color: var(--text-dim); }
.about a{ color: var(--brand-light); font-weight: 600; }
.about a:hover{ color: var(--brand); }

.stats{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.stat{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 20px;
  text-align: center;
}
.stat__num{
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.6rem);
  color: var(--gold);
}
.stat__label{
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 6px;
  display: block;
}

/* ===================================================================
   Contact
=================================================================== */

.contact{
  padding: 120px 0 140px;
  background: var(--bg-alt);
  position: relative;
  overflow: hidden;
}
.contact::before{
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(240,135,15,0.14), transparent 70%);
  pointer-events: none;
}

.contact__card{
  position: relative;
  max-width: 640px;
  margin: 0 auto 40px;
  background: linear-gradient(180deg, var(--surface), var(--bg-alt));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 44px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  box-shadow: 0 40px 80px -40px rgba(0,0,0,0.7);
}
.contact__item{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 8px;
}
.contact__item:last-of-type{ border-bottom: none; padding-bottom: 0; }
.contact__label{
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--text-dim);
}
.contact__value{
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--brand-light);
  transition: color 0.2s ease;
}
.contact__value--static{ color: var(--text); }
a.contact__value:hover{ color: var(--brand); }

/* contact form */
.contact-form{
  position: relative;
  max-width: 640px;
  margin: 0 auto;
  background: linear-gradient(180deg, var(--surface), var(--bg-alt));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 44px;
  box-shadow: 0 40px 80px -40px rgba(0,0,0,0.7);
}
.form-field{
  margin-bottom: 20px;
}
.form-field label{
  display: block;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}
.form-field input,
.form-field textarea{
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-field input:focus,
.form-field textarea:focus{
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 22%, transparent);
}
.form-field textarea{
  min-height: 120px;
  resize: vertical;
}
.form-note{
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 18px;
}
.thank-you{
  text-align: center;
  padding: 20px 0;
}
.thank-you h3{ margin-bottom: 10px; }
.thank-you p{ color: var(--text-dim); }

/* ===================================================================
   Footer
=================================================================== */

.site-footer{
  padding: 48px 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer__grid{
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer__links{
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}
.footer__links a{
  color: var(--text-dim);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}
.footer__links a:hover{ color: var(--brand-light); }
.footer__copy{
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0;
}

/* ===================================================================
   Back to top
=================================================================== */

.back-to-top{
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(20,20,26,0.85);
  backdrop-filter: blur(8px);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, border-color 0.3s ease;
  z-index: 400;
}
.back-to-top.is-visible{
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover{
  border-color: var(--brand);
  color: var(--brand);
}
.back-to-top svg{ width: 20px; height: 20px; }

/* ===================================================================
   Responsive
=================================================================== */

@media (max-width: 980px){
  .pillar-grid{ grid-template-columns: 1fr 1fr; }
  .about__grid{ grid-template-columns: 1fr; gap: 40px; }
  .division__grid{ grid-template-columns: 1fr; gap: 40px; }
  .division--alt .division__visual{ order: 0; }
}

@media (max-width: 760px){
  .main-nav{
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(320px, 80vw);
    background: rgba(10,10,13,0.98);
    backdrop-filter: blur(16px);
    border-left: 1px solid var(--border);
    padding: 100px 28px 40px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
  }
  .main-nav.is-open{ transform: translateX(0); }
  .main-nav ul{
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    width: 100%;
  }
  .main-nav a{ width: 100%; padding: 14px 10px; font-size: 1.05rem; }
  .nav-cta{ margin-left: 0; margin-top: 10px; text-align: center; }
  .nav-toggle{ display: flex; }

  .pillar-grid{ grid-template-columns: 1fr; }
  .stats{ grid-template-columns: 1fr 1fr; }
  .contact__card, .contact-form{ padding: 30px 22px; }
  .footer__grid{ flex-direction: column; text-align: center; justify-content: center; }
}

@media (max-width: 460px){
  .hero{ padding-top: 120px; }
  .contact__item{ flex-direction: column; align-items: flex-start; gap: 4px; }
}