@layer pages {
  /* ================================================================
   HOME / PORTFOLIO COMBINED STYLES
   Combines Hero (Section 1) and Portfolio Notes (Section 3)
   into a single, cohesive cosmic design.
     ================================================================ */

  body {
    --home-type-kicker: var(--type-xs);
    --home-type-context: clamp(var(--type-sm), 0.82rem + 0.22vw, var(--type-body));
    --home-type-hero: clamp(2.25rem, 4.8vw, 4.5rem);
    --home-type-section: clamp(2rem, 4.2vw, 3.5rem);
    --home-type-lead: clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
    --home-type-copy: clamp(var(--type-body), 0.95rem + 0.18vw, var(--type-lg));
    --home-type-action: var(--type-body);
    --home-motion-enter: 560ms;
    --home-motion-exit: 420ms;
    --home-motion-fade: 400ms;
    --home-motion-ease-enter: cubic-bezier(0.16, 1, 0.3, 1);
    --home-motion-ease-exit: cubic-bezier(0.4, 0, 1, 1);
  }

  html.home-page.snap-page {
    overscroll-behavior-y: none;
  }

  /* ── Global Background Effects (Aurora, Stars, Scanline) ── */
  .home-cosmos-bg {
    position: fixed;
    inset: -15%;
    z-index: calc(var(--z-behind-deep) - 1);
    overflow: hidden;
    pointer-events: none;
    background:
      radial-gradient(circle, rgb(220 232 255 / 14%) 0 0.7px, transparent 1.2px),
      radial-gradient(circle, rgb(132 178 255 / 10%) 0 0.6px, transparent 1.1px),
      radial-gradient(circle, rgb(255 222 181 / 8%) 0 0.5px, transparent 1px),
      radial-gradient(circle at 72% 76%, rgb(21 53 92 / 32%), transparent 34%),
      radial-gradient(circle at 18% 16%, rgb(45 38 86 / 22%), transparent 31%),
      linear-gradient(145deg, #02040a 0%, #050816 46%, #02030a 100%);
    background-size:
      149px 137px,
      211px 193px,
      173px 227px,
      auto,
      auto,
      auto;
    background-position:
      17px 31px,
      83px 11px,
      41px 97px,
      center,
      center,
      center;
  }

  .home-cosmos-bg::before {
    content: "";
    position: absolute;
    inset: -25%;
    opacity: 0.26;
    background:
      radial-gradient(ellipse at 50% 50%, rgb(120 155 220 / 14%) 0%, transparent 58%),
      linear-gradient(
        118deg,
        transparent 28%,
        rgb(102 124 174 / 7%) 44%,
        rgb(192 207 238 / 8%) 50%,
        rgb(93 112 158 / 5%) 57%,
        transparent 72%
      );
    filter: blur(20px);
    transform: rotate(-8deg);
  }

  .home-cosmos-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 3;
    background:
      radial-gradient(circle at center, transparent 38%, rgb(0 0 0 / 46%) 100%),
      linear-gradient(to bottom, rgb(2 3 10 / 12%), rgb(1 2 7 / 34%));
  }

  /* Aurora (Hero & General Background) */
  .home-aurora {
    --home-aurora-depth: 0px;
    --home-aurora-perspective-x: 50%;
    --home-aurora-perspective-y: 50%;
    --home-aurora-scale: 1;
    --home-aurora-shift-x: 0px;
    --home-aurora-shift-y: 0px;
    --home-aurora-tilt-x: 0deg;
    --home-aurora-tilt-y: 0deg;
    --home-aurora-violet: #405a9f;
    --home-aurora-cyan: #2f83a7;
    --home-aurora-magenta: #714971;
    --home-aurora-amber: #9a7344;
    --home-aurora-teal: #326f72;
    --home-aurora-suncore: #ffffff;
    --home-aurora-blur-a: 64px;
    --home-aurora-blur-b: 60px;
    --home-aurora-blur-c: 68px;
    --home-aurora-blur-d: 72px;
    --home-aurora-blur-e: 72px;

    position: absolute;
    inset: 0;
    perspective: 1200px;
    perspective-origin: var(--home-aurora-perspective-x) var(--home-aurora-perspective-y);
    transform-style: preserve-3d;
    transform: translate3d(
        var(--home-aurora-shift-x),
        var(--home-aurora-shift-y),
        calc(var(--home-aurora-depth) * -1)
      )
      scale(var(--home-aurora-scale)) rotateX(var(--home-aurora-tilt-x))
      rotateY(var(--home-aurora-tilt-y));
    will-change: transform;
    transition: transform 0.15s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

  .home-aurora__plane {
    position: absolute;
    border-radius: 50%;
    opacity: 0;
    mix-blend-mode: screen;
    will-change: transform, opacity;
    transform-style: preserve-3d;
  }

  @media (prefers-reduced-motion: no-preference) {
    .home-aurora__plane--a {
      opacity: 0.14;
    }
    .home-aurora__plane--b {
      opacity: 0.13;
    }
    .home-aurora__plane--c {
      opacity: 0.1;
    }
    .home-aurora__plane--d {
      opacity: 0.12;
    }
    .home-aurora__plane--e {
      opacity: 0.1;
    }
  }

  .home-aurora__plane--a {
    inset: -10% 45% 45% -15%;
    filter: blur(var(--home-aurora-blur-a));
    background: radial-gradient(
      circle at 35% 30%,
      color-mix(in srgb, var(--home-aurora-violet) 80%, transparent) 0%,
      transparent 60%
    );
    animation: auroraDriftA 26s ease-in-out infinite alternate;
  }
  .home-aurora__plane--b {
    inset: 15% -10% 15% 40%;
    filter: blur(var(--home-aurora-blur-b));
    background: radial-gradient(
      ellipse at 70% 50%,
      color-mix(in srgb, var(--home-aurora-cyan) 85%, #fff 15%) 0%,
      color-mix(in srgb, var(--home-aurora-cyan) 40%, transparent) 45%,
      transparent 70%
    );
    animation: auroraDriftB 20s ease-in-out infinite alternate;
  }
  .home-aurora__plane--c {
    inset: 40% 45% -10% -10%;
    filter: blur(var(--home-aurora-blur-c));
    background: radial-gradient(
      circle at 30% 70%,
      color-mix(in srgb, var(--home-aurora-magenta) 80%, transparent) 0%,
      transparent 58%
    );
    animation: auroraDriftC 18s ease-in-out infinite alternate;
  }
  .home-aurora__plane--d {
    inset: 10% 20% 30% 20%;
    filter: blur(var(--home-aurora-blur-d));
    background: radial-gradient(
      circle at 50% 50%,
      var(--home-aurora-suncore) 0%,
      color-mix(in srgb, var(--home-aurora-amber) 90%, #fff) 15%,
      color-mix(in srgb, var(--home-aurora-amber) 60%, transparent) 45%,
      transparent 70%
    );
    animation: auroraDriftD 24s ease-in-out infinite alternate;
  }
  .home-aurora__plane--e {
    inset: 45% 15% -15% 15%;
    filter: blur(var(--home-aurora-blur-e));
    background: radial-gradient(
      ellipse at 50% 80%,
      color-mix(in srgb, var(--home-aurora-teal) 75%, transparent) 0%,
      transparent 62%
    );
    animation: auroraDriftE 22s ease-in-out infinite alternate;
  }

  @keyframes auroraDriftA {
    0% {
      transform: translate(-4%, -3%) scale(1.02);
      opacity: 0.12;
    }
    50% {
      opacity: 0.22;
    }
    100% {
      transform: translate(5%, 4%) scale(1.06);
      opacity: 0.16;
    }
  }
  @keyframes auroraDriftB {
    0% {
      transform: translate(3%, -5%) scale(1.04);
      opacity: 0.14;
    }
    50% {
      opacity: 0.24;
    }
    100% {
      transform: translate(-6%, 3%) scale(0.98);
      opacity: 0.18;
    }
  }
  @keyframes auroraDriftC {
    0% {
      transform: translate(-2%, 6%) scale(1.05);
      opacity: 0.1;
    }
    50% {
      opacity: 0.2;
    }
    100% {
      transform: translate(4%, -4%) scale(1.01);
      opacity: 0.14;
    }
  }
  @keyframes auroraDriftD {
    0% {
      transform: translate(5%, -2%) scale(0.97);
      opacity: 0.1;
    }
    50% {
      opacity: 0.18;
    }
    100% {
      transform: translate(-3%, 5%) scale(1.03);
      opacity: 0.15;
    }
  }
  @keyframes auroraDriftE {
    0% {
      transform: translate(-3%, 3%) scale(1.01);
      opacity: 0.08;
    }
    50% {
      opacity: 0.16;
    }
    100% {
      transform: translate(2%, -5%) scale(1.05);
      opacity: 0.12;
    }
  }

  /* Stars (from Section 3) */
  .home-stars {
    --home-star-delay: 0s;
    --home-star-duration: 5.4s;
    --home-star-glow: 12px;
    --home-stars-shift-x: 0px;
    --home-stars-shift-y: 0px;

    position: absolute;
    inset: 0;
    z-index: 2;
    transform: translate3d(var(--home-stars-shift-x), var(--home-stars-shift-y), 0);
    transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
  }

  .home-star {
    position: absolute;
    width: 2px;
    height: 2px;
    border-radius: 50%;
    background: var(--clr-white);
    opacity: var(--home-star-opacity);
    box-shadow: 0 0 var(--home-star-glow) color-mix(in srgb, var(--clr-white) 66%, transparent);
  }

  @media (prefers-reduced-motion: no-preference) {
    .home-star {
      animation: s3StarTwinkle var(--home-star-duration) ease-in-out infinite;
      animation-delay: var(--home-star-delay);
    }
  }

  .home-star--1 {
    top: 8%;
    left: 12%;
    --home-star-delay: -0.2s;
    --home-star-duration: 5.8s;
  }
  .home-star--2 {
    top: 15%;
    right: 22%;
    --home-star-delay: -1.7s;
    --home-star-duration: 6.4s;
    --home-star-opacity: 0.2;
  }
  .home-star--3 {
    top: 35%;
    left: 8%;
    --home-star-delay: -3.1s;
    --home-star-duration: 4.9s;
  }
  .home-star--4 {
    top: 55%;
    right: 10%;
    --home-star-delay: -4.2s;
    --home-star-duration: 7.2s;
    --home-star-opacity: 0.18;
  }
  .home-star--5 {
    top: 72%;
    left: 18%;
    --home-star-delay: -2.6s;
    --home-star-duration: 5.2s;
  }
  .home-star--6 {
    top: 25%;
    left: 45%;
    --home-star-delay: -5.5s;
    --home-star-duration: 6.8s;
    width: 1px;
    height: 1px;
  }
  .home-star--7 {
    top: 65%;
    right: 35%;
    --home-star-delay: -0.9s;
    --home-star-duration: 4.6s;
    --home-star-glow: 18px;
    width: 3px;
    height: 3px;
  }
  .home-star--8 {
    top: 88%;
    left: 60%;
    --home-star-delay: -3.8s;
    --home-star-duration: 6s;
  }

  @keyframes s3StarTwinkle {
    0%,
    100% {
      opacity: calc(var(--home-star-opacity) * 0.75);
      transform: scale(0.88);
    }
    18% {
      opacity: 0.68;
      transform: scale(1.4);
    }
    43% {
      opacity: calc(var(--home-star-opacity) * 1.1);
      transform: scale(1);
    }
    69% {
      opacity: 0.82;
      transform: scale(1.55);
    }
    86% {
      opacity: 0.24;
      transform: scale(0.95);
    }
  }

  /* Scanline */
  .home-scanline {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
      90deg,
      transparent 0%,
      color-mix(in srgb, var(--home-accent-cyan) 15%, transparent) 20%,
      color-mix(in srgb, var(--home-accent-cyan) 30%, transparent) 50%,
      color-mix(in srgb, var(--home-accent-cyan) 15%, transparent) 80%,
      transparent 100%
    );
    opacity: 0;
    pointer-events: none;
    z-index: 4;
  }

  @media (prefers-reduced-motion: no-preference) {
    .home-scanline {
      opacity: 1;
      animation: s3ScanLine 12s cubic-bezier(0.4, 0, 0.2, 1) infinite;
      animation-delay: 2s;
    }
  }

  @keyframes s3ScanLine {
    0% {
      transform: translateY(-2vh);
      opacity: 0;
    }
    5% {
      opacity: 0.5;
    }
    50% {
      opacity: 0.2;
    }
    95% {
      opacity: 0.5;
    }
    100% {
      transform: translateY(102vh);
      opacity: 0;
    }
  }

  /* ── Hero Section ── */
  .hero {
    --home-hero-vignette-opacity: 1;
    --home-hero-content-inline: max(clamp(1.5rem, 6vw, 4rem), var(--safe-left))
      max(clamp(1.5rem, 6vw, 4rem), var(--safe-right));
    --home-hero-content-block: clamp(6rem, 15vh, 10rem)
      max(clamp(5rem, 12vh, 8rem), calc(var(--content-bottom-offset) + 2rem));
    --home-hero-title-size: var(--home-type-hero);
    --home-hero-title-line: 1.02;

    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: var(--viewport-height);
    padding: 0;
    overflow: hidden;
    font-family: var(--font-sans);
    text-align: center;
    isolation: isolate;
  }

  .hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
      ellipse 105% 92% at 45% 46%,
      transparent 0%,
      transparent 58%,
      color-mix(in srgb, var(--home-vignette) 58%, transparent) 100%
    );
    pointer-events: none;
    z-index: 2;
    -webkit-mask-image: linear-gradient(to bottom, black 82%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 82%, transparent 100%);
    opacity: var(--home-hero-vignette-opacity);
    will-change: opacity;
    transition: opacity 0.1s ease-out;
  }

  /* Keep the daylight Earth and its ocean colors unobscured. The hero
     vignette sits above the WebGL canvas and previously turned the lower,
     ocean-heavy portion of the globe almost black. */
  body.three-earth-active .hero::after {
    opacity: calc(var(--home-hero-vignette-opacity) * 0.5);
  }

  .hero__earth-credit {
    position: absolute;
    right: clamp(1rem, 2vw, 2rem);
    bottom: clamp(4.6rem, 10vh, 5.4rem);
    z-index: 6;
    color: rgb(255 255 255 / 52%);
    font-size: 0.625rem;
    letter-spacing: 0.02em;
    text-decoration: none;
    transition: color 160ms ease;
  }

  .hero__earth-credit:hover,
  .hero__earth-credit:focus-visible {
    color: rgb(255 255 255 / 82%);
  }

  .hero__fx {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
  }

  .hero__signal {
    position: absolute;
    width: 2px;
    height: 2px;
    border-radius: 50%;
    background: var(--home-accent);
    opacity: 0;
  }

  @media (prefers-reduced-motion: no-preference) {
    .hero__signal {
      opacity: 1;
      animation: signalPulse 5s ease-out infinite;
    }
  }

  .hero__signal--one {
    top: 22%;
    left: 15%;
    animation-delay: 0s;
  }
  .hero__signal--two {
    top: 68%;
    right: 18%;
    left: auto;
    animation-delay: -1.8s;
  }
  .hero__signal--three {
    top: 45%;
    left: 72%;
    animation-delay: -3.5s;
  }

  @keyframes signalPulse {
    0% {
      box-shadow:
        0 0 0 0 color-mix(in srgb, var(--home-accent) 40%, transparent),
        0 0 0 0 color-mix(in srgb, var(--home-accent) 20%, transparent);
      opacity: 0.8;
    }
    50% {
      box-shadow:
        0 0 0 18px color-mix(in srgb, var(--home-accent) 12%, transparent),
        0 0 0 36px color-mix(in srgb, var(--home-accent) 4%, transparent);
      opacity: 0.5;
    }
    100% {
      box-shadow:
        0 0 0 40px transparent,
        0 0 0 70px transparent;
      opacity: 0;
    }
  }

  .hero__content {
    position: relative;
    z-index: 3;
    width: min(100%, var(--size-1200));
    margin-inline: auto;
    padding-block: var(--home-hero-content-block);
    padding-inline: var(--home-hero-content-inline);
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero__poster {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    max-width: min(100%, 58rem);
  }

  .hero__header-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(0.25rem, 0.35vw, 0.35rem);
    margin: 0;
    pointer-events: auto;
    user-select: none;
    position: relative;
    overflow: visible;
  }

  .hero__welcome {
    display: inline-block;
    font-family: var(--font-display);
    font-size: var(--home-type-kicker);
    font-weight: 700;
    letter-spacing: 0.14em;
    line-height: 1.2;
    text-transform: uppercase;
    color: color-mix(in srgb, var(--clr-white) 90%, var(--home-accent-warm));
    text-shadow: 0 0 18px color-mix(in srgb, var(--home-accent-warm) 28%, transparent);
  }

  .hero__eyebrow {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: var(--home-type-context);
    font-weight: 500;
    letter-spacing: 0.01em;
    line-height: 1.4;
    color: color-mix(in srgb, var(--clr-white) 78%, var(--home-accent-cyan));
    text-shadow: 0 0 18px color-mix(in srgb, var(--home-accent-cyan) 22%, transparent);
  }

  .hero__title {
    margin: clamp(1.35rem, 2.3vw, 2rem) 0 0;
    width: min(100%, 17ch);
    max-width: 17ch;
    white-space: normal;
    color: color-mix(in srgb, var(--clr-white) 92%, var(--home-accent-warm));
    font-family: var(--font-display);
    font-size: var(--home-hero-title-size);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: var(--home-hero-title-line);
    text-wrap: balance;
    text-shadow:
      0 16px 64px rgb(0 0 0 / 48%),
      0 0 32px color-mix(in srgb, var(--home-accent-warm) 12%, transparent);
  }

  @supports ((-webkit-background-clip: text) or (background-clip: text)) {
    .hero__title {
      background: linear-gradient(
        125deg,
        #ffffff 0%,
        #ffffff 38%,
        var(--home-accent-warm) 68%,
        #eef6ff 100%
      );
      background-size: 260% 260%;
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      -webkit-text-fill-color: transparent;
    }
  }

  .hero__lede {
    margin: clamp(1rem, 1.5vw, 1.35rem) 0 0;
    max-width: 35rem;
    color: color-mix(in srgb, var(--clr-white) 78%, var(--home-accent) 10%);
    font-size: var(--home-type-lead);
    font-weight: 400;
    line-height: 1.62;
    text-wrap: pretty;
  }

  /* Shared Buttons */
  .home-btn-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: clamp(0.75rem, 1.2vw, 1rem);
  }

  .home-btn-group--hero {
    margin-top: clamp(1.5rem, 2.4vw, 2rem);
  }

  .home-btn {
    justify-content: center;
    min-inline-size: clamp(10.5rem, 20vw, 12.5rem);
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 0.9rem 1.5rem;
    font-size: var(--home-type-action);
    font-family: var(--font-sans);
    font-weight: 700;
    letter-spacing: 0.01em;
    line-height: 1.25;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    transition:
      color 0.3s ease,
      transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
      box-shadow 0.3s ease,
      background 0.3s ease,
      border-color 0.3s ease;
  }

  .home-btn-text,
  .home-btn-arrow {
    position: relative;
    z-index: 2;
  }

  .home-btn--primary {
    border-color: color-mix(in srgb, var(--home-accent-warm) 45%, transparent);
    background:
      radial-gradient(circle at 28% 12%, rgb(255 255 255 / 42%) 0 18%, transparent 38%),
      linear-gradient(135deg, #ffe8b8 0%, var(--home-accent-warm) 42%, #c68b38 100%);
    color: #09111f;
    box-shadow:
      0 16px 40px color-mix(in srgb, var(--home-accent-warm) 24%, transparent),
      0 0 34px color-mix(in srgb, var(--home-accent-warm) 14%, transparent),
      inset 0 1px 0 rgb(255 255 255 / 42%),
      inset 0 -10px 24px rgb(92 47 8 / 16%);
  }

  .home-btn--primary::after {
    content: "";
    position: absolute;
    inset: -48%;
    z-index: 0;
    background: radial-gradient(
      circle,
      color-mix(in srgb, var(--home-accent-warm) 35%, transparent) 0%,
      transparent 62%
    );
    opacity: 0.48;
    filter: blur(16px);
    pointer-events: none;
  }

  .home-btn--primary:hover {
    color: #09111f;
    box-shadow:
      0 20px 54px color-mix(in srgb, var(--home-accent-warm) 34%, transparent),
      0 0 44px color-mix(in srgb, var(--home-accent-warm) 24%, transparent),
      inset 0 1px 0 rgb(255 255 255 / 52%),
      inset 0 -10px 24px rgb(92 47 8 / 14%);
    transform: translateY(-2px) scale(1.02);
  }

  .home-btn--secondary {
    border-color: color-mix(in srgb, var(--clr-white) 24%, transparent);
    background:
      linear-gradient(135deg, rgb(255 255 255 / 12%), rgb(255 255 255 / 3%)),
      color-mix(in srgb, var(--home-surface) 52%, transparent);
    color: color-mix(in srgb, var(--clr-white) 82%, transparent);
    -webkit-backdrop-filter: blur(20px) saturate(1.35);
    backdrop-filter: blur(20px) saturate(1.35);
    box-shadow:
      0 12px 34px rgb(0 0 0 / 24%),
      inset 0 1px 0 rgb(255 255 255 / 18%),
      inset 0 -1px 0 rgb(255 255 255 / 6%);
  }

  .home-btn--secondary:hover {
    color: var(--clr-white);
    background:
      linear-gradient(135deg, rgb(255 255 255 / 17%), rgb(255 255 255 / 5%)),
      color-mix(in srgb, var(--home-surface) 66%, transparent);
    border-color: color-mix(in srgb, var(--home-accent) 46%, transparent);
    transform: translateY(-2px);
    box-shadow:
      0 14px 40px color-mix(in srgb, var(--home-accent) 18%, transparent),
      inset 0 1px 0 rgb(255 255 255 / 24%),
      inset 0 -1px 0 rgb(255 255 255 / 8%);
  }

  .home-btn:focus-visible {
    outline: 2px solid var(--home-accent);
    outline-offset: 4px;
    transform: translateY(-2px) scale(1.02);
  }

  .home-btn--primary:focus-visible {
    outline-color: var(--home-accent-warm);
    box-shadow:
      0 20px 54px color-mix(in srgb, var(--home-accent-warm) 34%, transparent),
      0 0 44px color-mix(in srgb, var(--home-accent-warm) 24%, transparent);
  }

  .home-btn--secondary:focus-visible {
    box-shadow:
      0 14px 40px color-mix(in srgb, var(--home-accent) 18%, transparent),
      inset 0 1px 0 rgb(255 255 255 / 24%),
      inset 0 -1px 0 rgb(255 255 255 / 8%);
  }

  /* ── Section 3 ── */
  .section.section3 {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: center;
    min-block-size: var(--section-viewport-height);
    block-size: auto;
    scroll-margin-top: calc(var(--content-top-offset) * 0.2);
    overflow: clip;
    container-type: inline-size;
    container-name: section3;
    content-visibility: auto;
    contain-intrinsic-size: 0 900px;
    isolation: isolate;
  }

  .section3__container {
    position: relative;
    z-index: var(--z-elevated);
    inline-size: min(100%, var(--size-1200));
    margin-inline: auto;
    display: grid;
    gap: clamp(2rem, 3.5vw, 3.25rem);
    box-sizing: border-box;
    padding-block: clamp(2rem, 4vh, 3rem)
      max(clamp(4.5rem, 10vh, 6rem), calc(var(--content-bottom-offset) + 1rem));
    padding-inline: max(clamp(1.2rem, 4vw, 3rem), var(--safe-left))
      max(clamp(1.2rem, 4vw, 3rem), var(--safe-right));
  }

  .section3__header {
    display: grid;
    gap: clamp(0.75rem, 1.2vw, 1rem);
    text-align: center;
    max-inline-size: 52rem;
    margin-inline: auto;
    transform-style: preserve-3d;
  }

  .section3__eyebrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    margin: 0;
    color: var(--home-accent-cyan);
    font-family: var(--font-sans);
    font-size: var(--home-type-kicker);
    font-weight: 700;
    letter-spacing: var(--tracking-wide);
    line-height: var(--leading-snug);
    text-transform: uppercase;
    text-shadow: 0 0 20px color-mix(in srgb, var(--home-accent-cyan) 35%, transparent);
  }

  .section3__eyebrow::before,
  .section3__eyebrow::after {
    content: "";
    flex: 0 0 auto;
    inline-size: 2.5rem;
    block-size: 1px;
    border-radius: 999px;
    opacity: 0.7;
  }

  .section3__eyebrow::before {
    background: linear-gradient(90deg, transparent, var(--home-accent-cyan));
  }
  .section3__eyebrow::after {
    background: linear-gradient(90deg, var(--home-accent-cyan), transparent);
  }

  .section3__title {
    margin: 0;
    color: var(--clr-white);
    font-family: var(--font-display);
    max-inline-size: 16ch;
    margin-inline: auto;
    font-size: var(--home-type-section);
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.06;
    text-wrap: balance;
    text-shadow: 0 18px 60px rgb(0 0 0 / 40%);
  }

  @supports ((-webkit-background-clip: text) or (background-clip: text)) {
    .section3__title {
      background: linear-gradient(
        135deg,
        #ffffff 0%,
        #ffffff 30%,
        var(--home-accent-warm) 65%,
        var(--home-accent-violet) 100%
      );
      background-size: 300% 300%;
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      -webkit-text-fill-color: transparent;
    }
  }

  .section3__subtitle {
    margin: 0;
    max-inline-size: 42rem;
    margin-inline: auto;
    color: var(--home-text-soft);
    font-family: var(--font-sans);
    font-size: var(--home-type-copy);
    line-height: 1.62;
    text-wrap: pretty;
  }

  .section3__closing {
    text-align: center;
    max-inline-size: 40rem;
    margin-inline: auto;
  }

  .section3__closing-text {
    margin: 0;
    color: var(--home-text-soft);
    font-family: var(--font-sans);
    font-size: var(--home-type-copy);
    line-height: 1.62;
    text-wrap: pretty;
  }

  .section3__cta {
    padding-block-start: clamp(0.8rem, 1.5vw, 1.2rem);
  }

  .home-btn-glow {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(
      90deg,
      transparent,
      color-mix(in srgb, var(--home-accent-warm) 44%, transparent),
      transparent
    );
    mix-blend-mode: screen;
    transform: translateX(-100%);
    pointer-events: none;
  }

  @media (prefers-reduced-motion: no-preference) {
    .home-btn--primary:hover .home-btn-glow {
      animation: s3CtaGlow 0.6s ease-out forwards;
    }
  }

  @keyframes s3CtaGlow {
    to {
      transform: translateX(100%);
    }
  }

  .home-btn-arrow {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .home-btn--primary:hover .home-btn-arrow {
    transform: translateX(4px);
  }

  /* ── Repeating Section 3 Scroll Reveal ── */
  @media (prefers-reduced-motion: no-preference) {
    .section3__eyebrow {
      --section3-enter-delay: 0.04s;
      --section3-exit-delay: 0.12s;
    }

    .section3__title {
      --section3-enter-delay: 0.1s;
      --section3-exit-delay: 0.09s;
    }

    .section3__subtitle {
      --section3-enter-delay: 0.17s;
      --section3-exit-delay: 0.06s;
    }

    .section3__closing-text {
      --section3-enter-delay: 0.24s;
      --section3-exit-delay: 0.03s;
    }

    .section3__cta {
      --section3-enter-delay: 0.31s;
      --section3-exit-delay: 0s;
    }

    .section3__reveal {
      opacity: 0;
      transform: translate3d(0, 1rem, 0) scale(0.99);
      backface-visibility: hidden;
      transition:
        opacity var(--home-motion-fade) ease-out,
        transform var(--home-motion-enter) var(--home-motion-ease-enter);
      transition-delay: var(--section3-exit-delay);
    }

    .section3__cta {
      pointer-events: none;
    }

    .section.section3.is-visible .section3__reveal {
      opacity: 1;
      transform: translate3d(0, 0, 0) scale(1);
      transition-delay: var(--section3-enter-delay);
    }

    .section.section3.is-visible .section3__cta {
      pointer-events: auto;
    }
  }

  @keyframes homeTextExitBeforeScroll {
    from {
      opacity: 1;
      transform: translate3d(0, 0, 0) scale(1);
    }

    to {
      opacity: 0;
      transform: translate3d(0, -1.5rem, 0) scale(0.985);
    }
  }

  @media (prefers-reduced-motion: no-preference) {
    .section.section3.is-leaving-before-scroll .section3__reveal {
      animation: homeTextExitBeforeScroll var(--home-motion-exit) var(--home-motion-ease-exit) both;
      animation-delay: var(--section3-exit-delay);
      transition: none;
    }
  }

  /* ── Repeating Hero Scroll Reveal ── */
  @media (prefers-reduced-motion: no-preference) {
    .hero__header-group {
      --home-exit-delay: 0.12s;
    }

    .hero__title {
      --home-exit-delay: 0.08s;
    }

    .hero__lede {
      --home-exit-delay: 0.04s;
    }

    .home-btn-group--hero {
      --home-exit-delay: 0s;
    }

    html.hero-motion-ready .hero__reveal {
      opacity: 0;
      transform: translate3d(0, 0.8rem, 0);
      backface-visibility: hidden;
      transition:
        opacity var(--home-motion-fade) ease-out,
        transform var(--home-motion-enter) var(--home-motion-ease-enter);
      transition-delay: 0s;
    }
    html.hero-motion-ready .hero.is-visible .hero__reveal {
      opacity: 1;
      transform: translate3d(0, 0, 0);
    }
    .hero.is-visible .hero__header-group {
      transition-delay: 0.02s;
    }
    .hero.is-visible .hero__title {
      transition-delay: 0.1s;
    }
    .hero.is-visible .hero__lede {
      transition-delay: 0.18s;
    }
    .hero.is-visible .home-btn-group--hero {
      transition-delay: 0.26s;
    }

    .section.hero.is-leaving-before-scroll .hero__reveal {
      animation: homeTextExitBeforeScroll var(--home-motion-exit) var(--home-motion-ease-exit) both;
      animation-delay: var(--home-exit-delay);
      transition: none;
    }

    body.is-home-section-transitioning :is(.hero__reveal, .section3__reveal, .features__fallback) {
      will-change: opacity, transform;
    }
  }

  /* ── Responsive ── */
  @media (width <= 960px) {
    .hero {
      --home-hero-content-block: clamp(5rem, 12vh, 6.5rem)
        max(clamp(4.2rem, 8vh, 5.5rem), calc(var(--content-bottom-offset) + 0.75rem));
    }
    .hero__lede {
      max-width: 31rem;
    }
    .section3__header {
      max-inline-size: 100%;
    }
  }

  @media (height <= 760px) and (width >= 721px) {
    .hero {
      --home-hero-content-block: clamp(4.35rem, 10vh, 5.75rem)
        max(clamp(5.5rem, 14vh, 7rem), calc(var(--content-bottom-offset) + 3rem));
    }
    .hero__lede {
      max-width: 38rem;
      line-height: var(--leading-body);
    }
    .home-btn-group--hero {
      margin-top: 0.7rem;
    }
  }

  @media (width <= 720px) {
    .home-aurora {
      --home-aurora-blur-a: 42px;
      --home-aurora-blur-b: 40px;
      --home-aurora-blur-c: 44px;
      --home-aurora-blur-d: 46px;
      --home-aurora-blur-e: 44px;
    }
    .hero__poster {
      position: relative;
      isolation: isolate;
      max-width: none;
    }
    body.three-earth-active .hero__poster::before {
      content: "";
      position: absolute;
      z-index: -1;
      inset: -1.25rem -0.8rem -1.8rem;
      background: radial-gradient(
        ellipse 72% 64% at 50% 48%,
        rgb(3 8 18 / 52%) 0%,
        rgb(3 8 18 / 24%) 48%,
        transparent 78%
      );
      filter: blur(10px);
      pointer-events: none;
    }
  }

  @media (width <= 640px) {
    .section.section3 {
      scroll-margin-top: var(--content-top-offset);
    }
    .section3__container {
      gap: clamp(1.8rem, 5vw, 2.8rem);
      padding-block: clamp(2rem, 7vw, 3rem)
        max(clamp(4.75rem, 11vh, 5.75rem), calc(var(--content-bottom-offset) + 0.75rem));
      padding-inline: max(1rem, var(--safe-left)) max(1rem, var(--safe-right));
    }
    .section3__subtitle,
    .section3__closing-text {
      line-height: 1.58;
    }
    .section3__cta {
      flex-direction: column;
      flex-wrap: nowrap;
      align-items: stretch;
      inline-size: min(100%, 22rem);
      margin-inline: auto;
    }
    .home-btn {
      min-inline-size: 0;
      justify-content: center;
    }
    .section3__cta .home-btn {
      flex: 0 0 auto;
      inline-size: 100%;
      min-block-size: 3.35rem;
      padding: 0.9rem 1.25rem;
    }
  }

  @media (width <= 520px) {
    .hero {
      --home-hero-content-inline: max(1rem, var(--safe-left)) max(1rem, var(--safe-right));
      --home-hero-content-block: clamp(4.75rem, 13vh, 5.75rem)
        max(clamp(3.5rem, 8vh, 4.25rem), calc(var(--content-bottom-offset) + 0.5rem));
      --home-hero-title-line: 1.06;
    }
    .home-btn-group--hero {
      gap: 0.7rem;
    }
    .home-aurora__plane {
      inset: -20%;
    }

    .section3__header,
    .section3__closing {
      animation: none;
      transform: none;
    }
  }

  @media (height <= 640px) {
    .section3__container {
      padding-block-start: calc(var(--content-top-offset) + 2rem);
      padding-block-end: calc(var(--content-bottom-offset) + 3rem);
    }
  }

  /* ── Reduced Motion ── */
  @media (prefers-reduced-motion: reduce) {
    .home-stars {
      transform: none;
      transition: none;
    }
    .section3__eyebrow,
    .section3__title,
    .section3__subtitle,
    .section3__closing-text,
    .section3__cta {
      opacity: 1;
      clip-path: none;
      translate: 0 0;
      animation: none;
      filter: none;
      transform: none;
      transition: none;
    }
    .section3__header,
    .section3__closing {
      animation: none;
      transform: none;
    }
    .hero__header-group,
    .hero__title,
    .hero__lede,
    .home-btn-group--hero {
      opacity: 1;
      clip-path: none;
      filter: none;
      transform: none;
      transition: none;
    }
    .home-btn {
      transition: none;
    }
    .home-btn:focus-visible {
      transform: none;
    }
    .home-aurora__plane {
      opacity: 0.08;
      filter: none;
      animation: none;
    }
    .hero__signal,
    .home-scanline,
    .home-star {
      display: none;
    }
    .section3__title {
      animation: none;
    }
  }
  .section.features {
    position: relative;
    display: block;
    min-block-size: var(--full-section-viewport-height);
    block-size: var(--full-section-viewport-height);
    padding-block: clamp(3.7rem, 6.5vw, 5.8rem);
    padding-inline: max(clamp(0.95rem, 3vw, 2.2rem), var(--safe-left))
      max(clamp(0.95rem, 3vw, 2.2rem), var(--safe-right));
    overflow: clip;
    isolation: isolate;
  }

  .features__fallback {
    position: relative;
    z-index: var(--z-elevated);
    inline-size: min(100%, 28rem);
    margin-inline: auto;
    margin-block-start: clamp(5rem, 12vh, 7rem);
    padding: clamp(1rem, 3vw, 1.35rem);
    border: 1px solid rgb(255 255 255 / 14%);
    border-radius: var(--radius-sm);
    background: rgb(6 10 20 / 70%);
    color: var(--clr-white);
    font-family: var(--font-sans);
    backdrop-filter: blur(18px);
  }

  @media (prefers-reduced-motion: no-preference) {
    .section.features.is-leaving-before-scroll .features__fallback {
      animation: homeTextExitBeforeScroll var(--home-motion-exit) var(--home-motion-ease-exit) both;
    }
  }

  .features__fallback-title {
    margin: 0 0 0.85rem;
    font-family: var(--font-display);
    font-size: var(--type-2xl);
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-tight);
  }

  .features__fallback-list {
    display: grid;
    gap: 0.55rem;
    padding: 0;
    margin: 0;
    list-style: none;
  }

  .features__fallback a {
    display: block;
    color: color-mix(in srgb, var(--clr-white) 86%, transparent);
    font-size: var(--type-body);
    font-weight: 600;
    line-height: var(--leading-snug);
    text-decoration: none;
    outline-offset: 0.25rem;
  }

  .features__fallback a:hover {
    color: var(--clr-white);
  }

  .features__fallback a:focus-visible {
    color: var(--clr-white);
    outline: 2px solid var(--home-accent);
    outline-offset: 4px;
    border-radius: 4px;
  }

  body.three-earth-active .features__fallback:not(:focus-within) {
    position: absolute !important;
    width: var(--size-1) !important;
    height: var(--size-1) !important;
    padding: 0 !important;
    margin: calc(var(--size-1) * -1) !important;
    overflow: hidden !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
    border: 0 !important;
  }

  body.three-earth-active .features__fallback:focus-within {
    position: fixed;
    inset-block-start: calc(var(--safe-top) + 5rem);
    inset-inline-start: max(1rem, var(--safe-left));
    margin: 0;
    box-shadow: 0 24px 80px rgb(0 0 0 / 42%);
  }

  @media (width <= 560px) {
    .section.features {
      padding-inline: max(1rem, var(--safe-left)) max(1rem, var(--safe-right));
      padding-block: clamp(3.4rem, 9vw, 4.8rem);
    }

    body.three-earth-active .features__fallback:focus-within {
      inset-inline-end: max(1rem, var(--safe-right));
      inline-size: auto;
    }
  }
}