/* ==========================================================================
   VirtualSG — main.css
   1. Design tokens      5. Hero
   2. Reset & base       6. Products (horizontal showcase)
   3. Utilities          7. Why / How / FAQ / Contact / Footer
   4. Components         8. Animation start-states & fallbacks
   ========================================================================== */

/* ============================ 1. DESIGN TOKENS =========================== */
:root {
  /* Brand — sampled from VirtualSG_Logo.png.
     Logo ground is #30006C; --bg darkens it for body-text contrast. */
  --bg:            #16043A;   /* page ground */
  --bg-deep:       #0E0126;   /* section troughs */
  --surface:       #220A5C;   /* cards, raised panels */
  --surface-2:     #2B0F71;   /* hover / elevated */
  --violet:        #30006C;   /* exact logo ground — borders, mid-tone glows */
  --green:         #22F59B;   /* primary neon — controller outline */
  --cyan:          #00FCF0;   /* exact wordmark cyan */

  --text:          #EDE9FF;   /* body copy — never neon, for contrast */
  --muted:         #A99CD4;   /* secondary copy */
  --line:          rgba(237, 233, 255, 0.12);

  /* Per-section accents. Product panels override these two inline. */
  --accent:        var(--green);
  --accent-2:      var(--cyan);

  /* Type */
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-pixel:   "Press Start 2P", var(--font-display);

  /* Fluid type scale */
  --fs-hero:    clamp(2.6rem, 6.4vw, 5.6rem);
  --fs-h2:      clamp(2rem, 4.2vw, 3.4rem);
  --fs-h3:      clamp(1.25rem, 2vw, 1.6rem);
  --fs-lede:    clamp(1rem, 1.35vw, 1.185rem);
  --fs-body:    1rem;
  --fs-small:   0.875rem;

  /* Space */
  --shell:      min(1240px, 100% - 2.5rem);
  --section-y:  clamp(5rem, 11vw, 9.5rem);
  --radius:     18px;
  --radius-lg:  26px;

  --ease-out:   cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h:      74px;
}

/* ============================= 2. RESET & BASE =========================== */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 1rem);
}

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

img, svg { display: block; max-width: 100%; height: auto; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0;
  text-wrap: balance;
}

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

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

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--green); color: var(--bg-deep); }

/* ============================== 3. UTILITIES ============================= */
.shell { width: var(--shell); margin-inline: auto; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed; top: 0; left: 50%;
  transform: translate(-50%, -120%);
  z-index: 200;
  background: var(--green); color: var(--bg-deep);
  font-weight: 600; padding: 0.75rem 1.4rem;
  border-radius: 0 0 12px 12px;
  transition: transform 0.2s var(--ease-out);
}
.skip-link:focus { transform: translate(-50%, 0); }

.eyebrow {
  font-family: var(--font-pixel);
  font-size: clamp(0.55rem, 1.1vw, 0.66rem);
  line-height: 1.8;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.4rem;
}

.section__head { max-width: 46rem; margin-bottom: clamp(2.75rem, 5vw, 4.25rem); }
.section__title { font-size: var(--fs-h2); }
.section__lede {
  font-size: var(--fs-lede);
  color: var(--muted);
  margin-top: 1.25rem;
  max-width: 42rem;
}

/* ============================= 4. COMPONENTS ============================= */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.7rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out),
              background-color 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  --btn-bg: linear-gradient(100deg, var(--green), var(--cyan));
  --btn-fg: #0B0124;
  box-shadow: 0 8px 30px -12px rgba(34, 245, 155, 0.75);
}
.btn--primary:hover { box-shadow: 0 14px 40px -12px rgba(34, 245, 155, 0.9); }

.btn--accent {
  --btn-bg: linear-gradient(100deg, var(--accent), var(--accent-2));
  --btn-fg: #0B0124;
  box-shadow: 0 8px 30px -12px color-mix(in srgb, var(--accent) 75%, transparent);
}

.btn--ghost {
  --btn-fg: var(--text);
  border-color: var(--line);
  background: rgba(237, 233, 255, 0.04);
  backdrop-filter: blur(6px);
}
.btn--ghost:hover { border-color: var(--accent); background: rgba(237, 233, 255, 0.08); }

.btn--sm    { padding: 0.6rem 1.2rem; font-size: 0.8rem; }
.btn--block { width: 100%; }

/* --------------------------------- Nav ---------------------------------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background-color 0.3s var(--ease-out), backdrop-filter 0.3s var(--ease-out),
              border-color 0.3s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(14, 1, 38, 0.72);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom-color: var(--line);
}

.nav__progress {
  position: absolute; inset: auto 0 0 0;
  height: 2px; width: 100%;
  transform: scaleX(0); transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--green), var(--cyan));
}

.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; height: var(--nav-h);
}

.nav__brand { display: flex; align-items: center; gap: 0.7rem; }
.nav__brand img { width: 40px; height: 40px; border-radius: 10px; }
.nav__brandText { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; letter-spacing: -0.02em; }
.nav__brandText em {
  font-style: normal;
  background: linear-gradient(100deg, var(--green), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.nav__links { display: flex; align-items: center; gap: 2rem; }
.nav__links > a:not(.btn) {
  position: relative;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s var(--ease-out);
}
.nav__links > a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 100%; height: 1.5px; border-radius: 2px;
  background: linear-gradient(90deg, var(--green), var(--cyan));
  transform: scaleX(0); transform-origin: 0 50%;
  transition: transform 0.28s var(--ease-out);
}
.nav__links > a:not(.btn):hover { color: var(--text); }
.nav__links > a:not(.btn):hover::after,
.nav__links > a.is-active::after { transform: scaleX(1); }
.nav__links > a.is-active { color: var(--text); }

.nav__toggle {
  display: none;
  width: 46px; height: 46px;
  align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 12px;
  background: rgba(237, 233, 255, 0.04);
  color: var(--text); cursor: pointer;
}
.nav__toggleBars { display: grid; gap: 5px; width: 20px; }
.nav__toggleBars i {
  display: block; height: 2px; width: 100%; border-radius: 2px;
  background: currentColor;
  transition: transform 0.3s var(--ease-out), opacity 0.2s var(--ease-out);
}
.nav.is-open .nav__toggleBars i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.is-open .nav__toggleBars i:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggleBars i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================================ 5. HERO ================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 4rem) 0 6rem;
  overflow: hidden;
  isolation: isolate;
}

.hero__aurora { position: absolute; inset: -20%; z-index: -2; filter: blur(90px); opacity: 0.55; }
.hero__blob { position: absolute; border-radius: 50%; display: block; }
.hero__blob--a { width: 46vw; height: 46vw; left: -6%;  top: 4%;   background: var(--violet); }
.hero__blob--b { width: 38vw; height: 38vw; right: -4%; top: -6%;  background: var(--green); opacity: 0.42; }
.hero__blob--c { width: 34vw; height: 34vw; right: 16%; bottom: -14%; background: var(--cyan); opacity: 0.36; }

.hero__grid {
  position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(to right, rgba(237, 233, 255, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(237, 233, 255, 0.055) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 78%);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
}

.hero__title { font-size: var(--fs-hero); margin-bottom: 1.75rem; }
.hero__lede { font-size: var(--fs-lede); color: var(--muted); max-width: 34rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.5rem; }

.hero__art { display: grid; place-items: center; }
.hero__artInner { position: relative; width: min(440px, 78%); will-change: transform; }
.hero__artInner img {
  width: 100%; height: auto;
  border-radius: 28px;
  box-shadow: 0 40px 90px -30px rgba(34, 245, 155, 0.45);
}
.hero__ring {
  position: absolute; inset: -9%;
  border: 1px solid var(--line);
  border-radius: 34px;
  pointer-events: none;
}

.hero__cue {
  position: absolute; left: 50%; bottom: 2rem;
  transform: translateX(-50%);
  display: grid; justify-items: center; gap: 0.6rem;
  font-family: var(--font-pixel); font-size: 0.5rem;
  color: var(--muted);
}
.hero__cueLine {
  width: 1px; height: 42px;
  background: linear-gradient(to bottom, transparent, var(--green));
}

/* ------------------------------- Marquee -------------------------------- */
.marquee {
  border-block: 1px solid var(--line);
  background: var(--bg-deep);
  padding: 1.1rem 0;
  overflow: hidden;
}
.marquee__track { display: flex; width: max-content; will-change: transform; }
.marquee__set { display: flex; align-items: center; gap: 2.5rem; padding-right: 2.5rem; }
.marquee__set b {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  letter-spacing: -0.01em; white-space: nowrap;
}
.marquee__set i { color: var(--green); font-style: normal; font-size: 0.7rem; }

/* ============================== 6. PRODUCTS ============================== */
.products { padding-block: var(--section-y) 0; background: var(--bg); }
.products__head { max-width: 48rem; margin-bottom: clamp(3rem, 6vw, 5rem); }

/* Default (mobile, reduced motion, and any no-JS/no-GSAP case): stacked cards.
   The horizontal layout below is opt-in and only applied by animations.js. */
.products__track { display: grid; gap: 1.5rem; padding-bottom: var(--section-y); }

.panel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 100% at 100% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
    var(--surface);
  overflow: hidden;
}
.panel::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.panel__inner {
  display: grid;
  gap: clamp(1.75rem, 4vw, 4rem);
  padding: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}

.panel__media { position: relative; display: grid; place-items: center; }
.panel__icon {
  position: relative; z-index: 1;
  width: clamp(120px, 26vw, 220px); height: auto;
  border-radius: 26px;
}
.panel__glow {
  position: absolute; width: 78%; aspect-ratio: 1;
  border-radius: 50%;
  background: var(--accent);
  filter: blur(70px); opacity: 0.5;
}

.panel__index {
  font-family: var(--font-pixel);
  font-size: 0.6rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent);
  display: flex; align-items: center; gap: 0.8rem;
  margin-bottom: 1.25rem;
}
.panel__index span {
  padding: 0.4rem 0.55rem;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  border-radius: 7px;
}

.panel__title { font-size: clamp(2rem, 4.4vw, 3.2rem); }
.panel__tagline {
  font-size: var(--fs-lede); color: var(--muted);
  margin-top: 1rem; max-width: 34rem;
}

.panel__features { display: grid; gap: 0.9rem; margin: 2rem 0; max-width: 36rem; }
.panel__features li { position: relative; padding-left: 1.9rem; color: var(--muted); }
.panel__features li::before {
  content: ""; position: absolute; left: 0; top: 0.62em;
  width: 9px; height: 9px; border-radius: 2px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
}

.panel__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* ---- Horizontal showcase: applied by animations.js on capable viewports --- */
.products.is-horizontal .products__pin { height: 100svh; overflow: hidden; }
.products.is-horizontal .products__track {
  display: flex;
  grid-template-columns: none;
  gap: 0;
  width: max-content;
  height: 100svh;
  padding-bottom: 0;
  will-change: transform;
}
.products.is-horizontal .panel {
  width: 100vw; height: 100svh;
  display: grid; place-items: center;
  border: 0; border-radius: 0; background: transparent;
}
.products.is-horizontal .panel::before { content: none; }
.products.is-horizontal .panel__inner {
  width: var(--shell);
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  padding: 0;
}

/* Ambient wash behind the pinned showcase, tinted per active product. */
.products.is-horizontal .products__pin {
  position: relative;
  background: radial-gradient(90% 70% at 50% 50%,
              color-mix(in srgb, var(--accent) 13%, transparent), transparent 70%);
  transition: background 0.5s linear;
}

/* ================================ 7. WHY ================================= */
.why { padding-block: var(--section-y); background: var(--bg-deep); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.25rem; }
.card {
  padding: 2.1rem 1.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.35s var(--ease-out), border-color 0.35s var(--ease-out),
              background-color 0.35s var(--ease-out);
}
.card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--green) 45%, transparent); background: var(--surface-2); }
.card__icon { width: 48px; height: 48px; margin-bottom: 1.4rem; }
.card__icon [data-draw] { stroke: var(--green); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: var(--fs-h3); margin-bottom: 0.7rem; }
.card p { color: var(--muted); font-size: var(--fs-small); }

/* ================================ HOW =================================== */
.how { padding-block: var(--section-y); }

.steps { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.steps__rail {
  position: absolute; left: 0; right: 0; top: 27px;
  height: 2px; background: var(--line);
}
.steps__rail i {
  display: block; height: 100%; width: 100%;
  transform: scaleX(0); transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--green), var(--cyan));
}
.step { position: relative; padding-top: 4.5rem; }
.step__num {
  position: absolute; top: 0; left: 0;
  display: grid; place-items: center;
  width: 54px; height: 54px;
  border: 1px solid var(--line); border-radius: 50%;
  background: var(--bg);
  font-family: var(--font-pixel); font-size: 0.75rem;
  color: var(--green);
}
.step h3 { font-size: var(--fs-h3); margin-bottom: 0.7rem; }
.step p { color: var(--muted); font-size: var(--fs-small); max-width: 24rem; }

/* ================================ FAQ =================================== */
.faq { padding-block: var(--section-y); background: var(--bg-deep); }
.faq__inner { max-width: 56rem; }

.accordion { display: grid; gap: 0.85rem; }
.acc {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.3s var(--ease-out);
}
.acc.is-open { border-color: color-mix(in srgb, var(--green) 45%, transparent); }
.acc h3 { margin: 0; }

.acc__trigger {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: 1.4rem 1.6rem;
  border: 0; background: transparent;
  color: var(--text);
  font-family: var(--font-display); font-size: 1.02rem; font-weight: 600;
  letter-spacing: -0.01em; text-align: left;
  cursor: pointer;
}
.acc__icon {
  position: relative; flex: 0 0 auto;
  width: 18px; height: 18px;
}
.acc__icon::before, .acc__icon::after {
  content: ""; position: absolute; inset: 50% 0 auto 0;
  height: 2px; border-radius: 2px; background: var(--green);
  transition: transform 0.3s var(--ease-out);
}
.acc__icon::after { transform: rotate(90deg); }
.acc.is-open .acc__icon::after { transform: rotate(0deg); }

.acc__panel { overflow: hidden; }
.acc__panel p { padding: 0 1.6rem 1.5rem; color: var(--muted); font-size: var(--fs-small); }

/* ============================== CONTACT ================================= */
.contact { padding-block: var(--section-y); }
.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.contact__points { display: grid; gap: 0.85rem; margin-top: 2.5rem; }
.contact__points li {
  position: relative; padding-left: 1.9rem;
  color: var(--muted); font-size: var(--fs-small);
}
.contact__points li::before {
  content: ""; position: absolute; left: 0; top: 0.45em;
  width: 10px; height: 6px;
  border-left: 2px solid var(--green); border-bottom: 2px solid var(--green);
  transform: rotate(-45deg);
}

/* -------------------------------- Form ---------------------------------- */
.form {
  display: grid; gap: 1.15rem;
  padding: clamp(1.6rem, 3vw, 2.4rem);
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--surface);
}
.field { display: grid; gap: 0.45rem; }
.field label { font-size: 0.8rem; font-weight: 600; color: var(--muted); }

.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line); border-radius: 12px;
  background: rgba(14, 1, 38, 0.55);
  color: var(--text);
  font-family: var(--font-body); font-size: var(--fs-small);
  transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(34, 245, 155, 0.16);
}
.field.has-error input, .field.has-error textarea { border-color: #FF6B7A; }
.field__error { color: #FF8E99; font-size: 0.78rem; }

/* Honeypot — visually gone, still reachable by bots parsing the DOM. */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form__status { font-size: var(--fs-small); min-height: 1.4em; }
.form__status.is-ok    { color: var(--green); }
.form__status.is-error { color: #FF8E99; }

/* =============================== FOOTER ================================= */
.footer { border-top: 1px solid var(--line); background: var(--bg-deep); padding-top: clamp(3rem, 6vw, 4.5rem); }
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
  padding-bottom: 3rem;
}
.footer__brand img { width: 48px; height: 48px; border-radius: 12px; margin-bottom: 1rem; }
.footer__brand p { color: var(--muted); font-size: var(--fs-small); max-width: 22rem; }

.footer__col { display: grid; align-content: start; gap: 0.65rem; }
.footer__col h2 {
  font-family: var(--font-pixel); font-size: 0.56rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--green); margin-bottom: 0.5rem;
}
.footer__col a { color: var(--muted); font-size: var(--fs-small); transition: color 0.2s var(--ease-out); }
.footer__col a:hover { color: var(--text); }

.footer__base {
  border-top: 1px solid var(--line);
  padding-block: 1.75rem 2.25rem;
  display: grid; gap: 0.9rem;
  color: var(--muted); font-size: 0.78rem;
}
.footer__disclaimer { max-width: 60rem; opacity: 0.75; line-height: 1.6; }

/* ============================ 8. RESPONSIVE ============================= */
@media (max-width: 1023px) {
  .nav__toggle { display: inline-flex; }

  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    display: grid; gap: 0.25rem;
    padding: 1.25rem var(--shell-pad, 1.25rem) 2rem;
    background: rgba(14, 1, 38, 0.97);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-14px);
    opacity: 0; visibility: hidden;
    transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out), visibility 0.25s;
  }
  .nav.is-open .nav__links { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav__links > a:not(.btn) { padding: 0.8rem 0.4rem; font-size: 1rem; border-bottom: 1px solid var(--line); }
  .nav__links > a:not(.btn)::after { content: none; }
  .nav__cta { margin-top: 1rem; justify-self: start; }

  .hero { min-height: auto; padding-top: calc(var(--nav-h) + 3rem); }
  .hero__inner { grid-template-columns: 1fr; text-align: left; }
  .hero__art { order: -1; }
  .hero__artInner { width: min(300px, 62%); }
  .hero__cue { display: none; }

  .contact__grid { grid-template-columns: 1fr; }

  .steps { grid-template-columns: 1fr; gap: 2.5rem; }
  .steps__rail { left: 26px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; }
  .steps__rail i { width: 100%; height: 100%; transform: scaleY(0); transform-origin: 50% 0;
                   background: linear-gradient(180deg, var(--green), var(--cyan)); }
  .step { padding-top: 0; padding-left: 4.75rem; min-height: 54px; }

  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .btn { width: 100%; }
  .hero__actions, .panel__actions { flex-direction: column; align-items: stretch; }
}

@media (min-width: 640px) {
  .panel__inner { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); }
}

/* ================= 9. ANIMATION START-STATES & FALLBACKS ================
   Hidden start-states apply ONLY when JS is running AND GSAP loaded.
   main.js adds html.no-gsap when the CDN fails, which reverts every one of
   these rules, so content can never be permanently invisible. */

html.js:not(.no-gsap) [data-anim="fade"],
html.js:not(.no-gsap) [data-card],
html.js:not(.no-gsap) [data-step] {
  opacity: 0;
}

html.js:not(.no-gsap) .card__icon [data-draw] {
  /* DrawSVG start-state; safe no-op if the plugin never registers. */
  opacity: 0;
}

/* Prevent a flash of unsplit text before SplitText runs. */
html.js:not(.no-gsap) [data-split] { opacity: 0; }

/* -------- Reduced motion: everything visible, nothing moves -------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  html.js [data-anim="fade"],
  html.js [data-card],
  html.js [data-step],
  html.js [data-split],
  html.js .card__icon [data-draw] {
    opacity: 1 !important;
  }

  .steps__rail i { transform: none !important; }

  /* Never pin or scroll horizontally under reduced motion. */
  .products.is-horizontal .products__pin { height: auto; overflow: visible; }
  .products.is-horizontal .products__track {
    display: grid; width: auto; height: auto; gap: 1.5rem; padding-bottom: var(--section-y);
  }
  .products.is-horizontal .panel { width: auto; height: auto; display: block; }

  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}