@font-face {
        font-family: 'PrometheanBoldCond';
        src: url('../fonts/prometheanboldcond.ttf') format('truetype');
        font-weight: 700;
        font-style: normal;
        font-display: swap;
      }


      /* ═══════════════════════════════════════════════════════════════
         KEST Coming Soon — Design Tokens
         Persona = dark/night  |  Buyer = light/day
      ═══════════════════════════════════════════════════════════════ */
      :root {
        /* ── PERSONA (dark / night) ─────────────────────────────── */
        --cs-bg: #0a0e1a;
        --cs-text: #f8f8f8;
        --cs-text-mid: rgba(248, 248, 248, 0.55); /* tagline, coming-soon */
        --cs-text-muted: rgba(248, 248, 248, 0.28); /* promise body */
        --cs-input-bg: rgba(248, 248, 248, 0.05);
        --cs-input-border: rgba(248, 248, 248, 0.1);
        --cs-input-focus: rgba(59, 130, 246, 0.45);
        --cs-input-fill: rgba(248, 248, 248, 0.08);
        --cs-btn-bg: linear-gradient(135deg, #1e40af, #1e3a8a);
        --cs-btn-border: rgba(59, 130, 246, 0.3);
        --cs-btn-hover: linear-gradient(135deg, #2563eb, #1e3a8a);
        --cs-btn-shadow: rgba(59, 130, 246, 0.28);
        --cs-footer-text: rgba(248, 248, 248, 0.2);
        --cs-footer-link: rgba(248, 248, 248, 0.25);
        --cs-footer-hover: rgba(59, 130, 246, 0.7);
        --cs-footer-dot: rgba(248, 248, 248, 0.15);
        --cs-logo-shadow: rgba(59, 130, 246, 0.35);
        --cs-logo-glow: rgba(59, 130, 246, 0.2);
        --cs-orbit-1: #3b82f6;
        --cs-orbit-2: #7c3aed;
        --cs-orbit-3: #d4a574;
        --cs-orbit-4: rgba(248, 248, 248, 0.45);
        --font-display: 'Inter', system-ui, -apple-system, sans-serif;
        --mode-dur: 0.55s;
        --mode-ease: cubic-bezier(0.4, 0, 0.2, 1);
      }

      /* ── BUYER (light / day) ────────────────────────────────── */
      [data-mode='buyer'] {
        --cs-bg: #e8f2fe; /* only the initial body color; sky gradient overrides visually */
        --cs-text: #1e40af; /* KEST Blue — wordmark fill too */
        --cs-text-mid: #334155; /* tagline, coming-soon */
        --cs-text-muted: #64748b; /* promise body */
        --cs-input-bg: rgba(255, 255, 255, 0.7);
        --cs-input-border: rgba(30, 58, 138, 0.2);
        --cs-input-focus: rgba(30, 58, 138, 0.4);
        --cs-input-fill: rgba(255, 255, 255, 0.9);
        --cs-btn-bg: linear-gradient(135deg, #1e3a8a, #1e40af);
        --cs-btn-border: rgba(30, 58, 138, 0.3);
        --cs-btn-hover: linear-gradient(135deg, #1e40af, #2563eb);
        --cs-btn-shadow: rgba(30, 58, 138, 0.25);
        --cs-footer-text: #64748b;
        --cs-footer-link: #475569;
        --cs-footer-hover: #1e3a8a;
        --cs-footer-dot: #cbd5e1;
        --cs-logo-shadow: rgba(30, 58, 138, 0.22);
        --cs-logo-glow: rgba(59, 130, 246, 0.25); /* Blue halo */
        --cs-orbit-1: #1e40af;
        --cs-orbit-2: #1e3a8a;
        --cs-orbit-3: #cbd5e1; /* Grey instead of orange */
        --cs-orbit-4: rgba(30, 58, 138, 0.4);
      }

      /* ═══════════════════════════════════════════════════════════════
         RESET & BASE
      ═══════════════════════════════════════════════════════════════ */
      *,
      *::before,
      *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
      }

      html,
      body {
        width: 100%;
        height: 100%;
        overflow: hidden;
      }

      body {
        font-family: var(--font-display);
        background: var(--cs-bg);
        color: var(--cs-text);
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        transition:
          background var(--mode-dur) var(--mode-ease),
          color var(--mode-dur) var(--mode-ease);
      }

      /* ═══════════════════════════════════════════════════════════════
         MODE TOGGLE BAR
      ═══════════════════════════════════════════════════════════════ */
      .mode-bar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 200;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 14px 24px;
        pointer-events: none;
      }

      .mode-toggle {
        pointer-events: auto;
        display: inline-flex;
        align-items: center;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.14);
        border-radius: 100px;
        padding: 4px;
        gap: 6px;
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.22);
        transition:
          background var(--mode-dur) var(--mode-ease),
          border-color var(--mode-dur) var(--mode-ease),
          box-shadow var(--mode-dur) var(--mode-ease);
      }

      [data-mode='buyer'] .mode-toggle {
        background: rgba(255, 255, 255, 0.72);
        border-color: rgba(30, 58, 138, 0.2);
        box-shadow:
          0 4px 20px rgba(30, 58, 138, 0.12),
          0 1px 4px rgba(0, 0, 0, 0.06);
      }

      .mode-sep {
        width: 1px;
        height: 16px;
        background: rgba(255, 255, 255, 0.15);
        margin: 0;
      }
      [data-mode='buyer'] .mode-sep {
        background: rgba(30, 58, 138, 0.15);
      }

      .mode-btn {
        font-family: var(--font-display);
        font-size: 0.72rem;
        font-weight: 600;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        padding: 6px 18px;
        border: none;
        background: transparent;
        color: rgba(255, 255, 255, 0.4);
        cursor: pointer;
        transition: all 0.22s ease;
        display: flex;
        align-items: center;
        gap: 7px;
      }

      /* Mode Button Hovers */
      [data-mode='persona'] .mode-btn:not(.active):hover {
        color: rgba(255, 255, 255, 0.8);
      }
      [data-mode='persona'] .mode-btn.active:hover {
        background: rgba(255, 255, 255, 0.25);
      }

      [data-mode='buyer'] .mode-btn:not(.active):hover {
        color: #2563eb;
      }
      [data-mode='buyer'] .mode-btn.active:hover {
        background: #2563eb;
      }

      .mode-toggle > .mode-btn:first-child {
        border-radius: 100px 0 0 100px;
      }
      .mode-toggle > .mode-btn:last-child {
        border-radius: 0 100px 100px 0;
      }

      [data-mode='buyer'] .mode-btn {
        color: rgba(30, 58, 138, 0.38);
      }

      /* Active pill — Persona mode */
      [data-mode='persona'] .mode-btn.active {
        background: rgba(255, 255, 255, 0.18);
        color: #ffffff;
        box-shadow: 0 1px 6px rgba(0, 0, 0, 0.25);
      }

      /* Active pill — Buyer mode */
      [data-mode='buyer'] .mode-btn.active {
        background: #1e40af;
        color: #ffffff;
        box-shadow: 0 2px 10px rgba(30, 58, 138, 0.35);
      }

      /* Pip dot */
      .mode-pip {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        flex-shrink: 0;
        transition:
          background 0.3s ease,
          box-shadow 0.3s ease;
      }

      /* Persona pip */
      [data-target='persona'] .mode-pip {
        background: rgba(124, 58, 237, 0.5);
      }
      [data-target='persona'].active .mode-pip {
        background: #93c5fd;
        box-shadow: 0 0 6px rgba(147, 197, 253, 0.8);
      }
      /* Buyer pip */
      [data-target='buyer'] .mode-pip {
        background: rgba(30, 64, 175, 0.35);
      }
      [data-target='buyer'].active .mode-pip {
        background: #93c5fd;
        box-shadow: 0 0 6px rgba(147, 197, 253, 0.7);
      }

      [data-mode='buyer'] [data-target='persona'] .mode-pip {
        background: rgba(30, 58, 138, 0.25);
      }
      [data-mode='buyer'] [data-target='buyer'].active .mode-pip {
        background: #ffffff;
        box-shadow: 0 0 6px rgba(255, 255, 255, 0.6);
      }

      .mode-sep {
        width: 1px;
        height: 16px;
        background: rgba(255, 255, 255, 0.14);
        flex-shrink: 0;
        transition: background var(--mode-dur) var(--mode-ease);
      }
      [data-mode='buyer'] .mode-sep {
        background: rgba(30, 58, 138, 0.18);
      }

      /* ═══════════════════════════════════════════════════════════════
         AMBIENT BACKGROUND — PERSONA (night sky)
      ═══════════════════════════════════════════════════════════════ */
      #particles {
        position: fixed;
        inset: 0;
        width: 100vw;
        height: 100vh;
        z-index: 2; /* Between background/grid and content */
        pointer-events: none; /* Let clicks pass through to toggle */
        transition: opacity var(--mode-dur) var(--mode-ease);
      }
      [data-mode='buyer'] #particles {
        opacity: 0;
      }
      .ambient {
        position: fixed;
        inset: 0;
        z-index: 0;
        overflow: hidden;
        pointer-events: none;
        transition: opacity var(--mode-dur) var(--mode-ease);
      }
      [data-mode='buyer'] .ambient {
        opacity: 1;
      }

      /* Night sky gradient mesh (Persona) */
      .ambient::before {
        content: '';
        position: absolute;
        inset: 0;
        background:
          radial-gradient(ellipse 80% 60% at 20% 30%, rgba(30, 64, 175, 0.28) 0%, transparent 70%),
          radial-gradient(ellipse 60% 50% at 80% 70%, rgba(124, 58, 237, 0.18) 0%, transparent 60%),
          radial-gradient(ellipse 40% 40% at 50% 50%, rgba(180, 83, 9, 0.08) 0%, transparent 50%);
        animation: ambientShift 20s ease-in-out infinite alternate;
        transition: opacity var(--mode-dur) var(--mode-ease);
      }

      /* DAY — Blue corner lighting vignette (Buyer) */
      .ambient::after {
        content: '';
        position: absolute;
        inset: 0;
        background:
          radial-gradient(
            ellipse 75% 65% at 5% 0%,
            rgba(30, 64, 175, 0.18) 0%,
            rgba(59, 130, 246, 0.08) 35%,
            transparent 65%
          ),
          radial-gradient(
            ellipse 75% 65% at 95% 100%,
            rgba(30, 64, 175, 0.14) 0%,
            rgba(59, 130, 246, 0.06) 35%,
            transparent 65%
          ),
          linear-gradient(135deg, #eef2f7 0%, #f5f7fa 40%, #f5f7fa 60%, #eef2f7 100%);
        opacity: 0;
        transition: opacity var(--mode-dur) var(--mode-ease);
        animation: dayShift 25s ease-in-out infinite alternate;
      }

      [data-mode='buyer'] .ambient::before {
        opacity: 0;
      }
      [data-mode='buyer'] .ambient::after {
        opacity: 1;
      }

      @keyframes ambientShift {
        0% {
          transform: scale(1) translate(0, 0);
        }
        50% {
          transform: scale(1.08) translate(-2%, 3%);
        }
        100% {
          transform: scale(1.04) translate(3%, -2%);
        }
      }

      @keyframes dayShift {
        0% {
          transform: scale(1) translate(0, 0);
        }
        50% {
          transform: scale(1.04) translate(-1%, 2%);
        }
        100% {
          transform: scale(1.02) translate(2%, -1%);
        }
      }

      /* ── Floating orbs ──────────────────────────────────────── */
      .orb {
        position: absolute;
        border-radius: 50%;
        filter: blur(80px);
        opacity: 0;
        animation: orbFloat 18s ease-in-out infinite;
        transition:
          background var(--mode-dur) var(--mode-ease),
          opacity var(--mode-dur) var(--mode-ease);
      }

      /* Persona orbs (night) */
      .orb--1 {
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(30, 64, 175, 0.32), transparent 70%);
        top: 10%;
        left: -5%;
        animation-delay: 0s;
        animation-duration: 22s;
      }
      .orb--2 {
        width: 300px;
        height: 300px;
        background: radial-gradient(circle, rgba(124, 58, 237, 0.28), transparent 70%);
        bottom: 15%;
        right: -5%;
        animation-delay: -7s;
        animation-duration: 18s;
      }
      .orb--3 {
        width: 250px;
        height: 250px;
        background: radial-gradient(circle, rgba(212, 165, 116, 0.15), transparent 70%);
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        animation-delay: -12s;
        animation-duration: 25s;
      }

      /* Buyer orbs — daytime atmosphere */
      /* Sun orb — warm gold top-right */
      [data-mode='buyer'] .orb--1 {
        background: radial-gradient(
          circle,
          rgba(251, 191, 36, 0.18),
          rgba(253, 230, 138, 0.08) 50%,
          transparent 75%
        );
        top: -8%;
        right: -5%;
        left: auto;
        width: 500px;
        height: 500px;
        animation-duration: 28s;
      }
      /* Cool azure orb — mid-left */
      [data-mode='buyer'] .orb--2 {
        background: radial-gradient(
          circle,
          rgba(96, 165, 250, 0.2),
          rgba(147, 197, 253, 0.08) 50%,
          transparent 75%
        );
        top: 20%;
        left: -10%;
        bottom: auto;
        right: auto;
        width: 380px;
        height: 380px;
        animation-delay: -5s;
        animation-duration: 22s;
      }
      /* Indigo enterprise depth — low center */
      [data-mode='buyer'] .orb--3 {
        background: radial-gradient(circle, rgba(30, 58, 138, 0.1), transparent 70%);
        top: auto;
        bottom: 5%;
        left: 38%;
        width: 320px;
        height: 320px;
        animation-delay: -15s;
        animation-duration: 30s;
      }

      @keyframes orbFloat {
        0%,
        100% {
          opacity: 0.5;
          transform: translate(0, 0) scale(1);
        }
        25% {
          opacity: 0.75;
          transform: translate(40px, -30px) scale(1.12);
        }
        50% {
          opacity: 0.55;
          transform: translate(-20px, 50px) scale(0.95);
        }
        75% {
          opacity: 0.8;
          transform: translate(30px, 20px) scale(1.08);
        }
      }

      /* ═══════════════════════════════════════════════════════════════
         ENTERPRISE GRID OVERLAY — appears in Buyer mode only
      ═══════════════════════════════════════════════════════════════ */
      .cs-grid {
        position: fixed;
        inset: 0;
        z-index: 1;
        pointer-events: none;
        opacity: 0;
        background-image:
          radial-gradient(circle at 0 0, rgba(30, 58, 138, 0.85) 1.5px, transparent 1.5px),
          radial-gradient(circle at 100% 100%, rgba(59, 130, 246, 0.65) 1px, transparent 1px),
          linear-gradient(rgba(30, 58, 138, 0.06) 1px, transparent 1px),
          linear-gradient(90deg, rgba(30, 58, 138, 0.06) 1px, transparent 1px);
        background-size:
          60px 60px,
          60px 60px,
          60px 60px,
          60px 60px;
        background-position:
          0 0,
          30px 30px,
          0 0,
          0 0;
        animation: gridMove 20s linear infinite;
        transition: opacity var(--mode-dur) var(--mode-ease);
      }
      @keyframes gridMove {
        from {
          background-position:
            0 0,
            30px 30px,
            0 0,
            0 0;
        }
        to {
          background-position:
            -60px -60px,
            -30px -30px,
            -60px -60px,
            -60px -60px;
        }
      }
      [data-mode='buyer'] .cs-grid {
        opacity: 1;
      }

      /* ── Grid-following dots (Buyer only) ────────────────────── */
      #gridDots {
        position: fixed;
        inset: 0;
        z-index: 2;
        pointer-events: none;
        opacity: 0;
        transition: opacity var(--mode-dur) var(--mode-ease);
      }
      [data-mode='buyer'] #gridDots {
        opacity: 1;
      }

      /* ═══════════════════════════════════════════════════════════════
         PARTICLE CANVAS
      ═══════════════════════════════════════════════════════════════ */
      #particles {
        position: fixed;
        inset: 0;
        z-index: 2;
        pointer-events: none;
      }

      /* ═══════════════════════════════════════════════════════════════
         NOISE TEXTURE
      ═══════════════════════════════════════════════════════════════ */
      .noise {
        position: fixed;
        inset: 0;
        z-index: 3;
        opacity: 0.025;
        pointer-events: none;
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
        background-repeat: repeat;
        background-size: 256px 256px;
      }

      /* ═══════════════════════════════════════════════════════════════
         MAIN SCENE
      ═══════════════════════════════════════════════════════════════ */
      .scene {
        position: relative;
        z-index: 10;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding: 2rem;
        padding-top: 4.5rem;
        max-width: 720px;
      }

      /* ── Brand Group (Wrapper for Logo + Wordmark) ────────────── */
      .brand-group {
        display: flex;
        flex-direction: column;
        align-items: center;
        cursor: pointer;
        z-index: 10;
        position: relative;
      }

      /* ── Logo Container ─────────────────────────────────────────── */
      .logo-container {
        position: relative;
        width: 180px;
        height: 180px;
        margin-bottom: 2rem;
        animation: logoEnter 1.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
        opacity: 0;
      }

      @keyframes logoEnter {
        0% {
          opacity: 0;
          transform: scale(0.6) rotate(-8deg);
          filter: blur(12px);
        }
        60% {
          opacity: 1;
          transform: scale(1.04) rotate(1deg);
          filter: blur(0);
        }
        100% {
          opacity: 1;
          transform: scale(1) rotate(0deg);
          filter: blur(0);
        }
      }

      /* Glow halo */
      .logo-glow {
        position: absolute;
        inset: -30%;
        border-radius: 50%;
        background: radial-gradient(circle, var(--cs-logo-glow) 0%, transparent 70%);
        animation: glowPulse 4s ease-in-out infinite;
        transition: background var(--mode-dur) var(--mode-ease);
      }

      @keyframes glowPulse {
        0%,
        100% {
          transform: scale(1);
          opacity: 0.6;
        }
        50% {
          transform: scale(1.25);
          opacity: 1;
        }
      }

      /* Orbit ring */
      .orbit {
        position: absolute;
        inset: -20%;
        animation: orbitSpin 30s linear infinite;
      }
      .orbit-dot {
        position: absolute;
        width: 4px;
        height: 4px;
        border-radius: 50%;
        transition:
          background 0.5s ease,
          box-shadow 0.5s ease;
      }
      .orbit-dot:nth-child(1) {
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        background: var(--cs-orbit-1);
        box-shadow: 0 0 8px var(--cs-orbit-1);
      }
      .orbit-dot:nth-child(2) {
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        background: var(--cs-orbit-2);
        box-shadow: 0 0 8px var(--cs-orbit-2);
      }
      .orbit-dot:nth-child(3) {
        top: 50%;
        right: 0;
        transform: translateY(-50%);
        background: var(--cs-orbit-3);
        box-shadow: 0 0 8px var(--cs-orbit-3);
      }
      .orbit-dot:nth-child(4) {
        top: 50%;
        left: 0;
        transform: translateY(-50%);
        background: var(--cs-orbit-4);
        box-shadow: 0 0 6px var(--cs-orbit-4);
      }
      @keyframes orbitSpin {
        from {
          transform: rotate(0deg);
        }
        to {
          transform: rotate(360deg);
        }
      }

      .logo-inner-wrap {
        display: block;
        width: 100%;
        height: 100%;
        transition: transform 1s ease-out;
      }
      [data-mode='persona'] .logo-inner-wrap {
        transform: scale(1.3);
      }
      [data-mode='buyer'] .logo-inner-wrap {
        transform: scale(1.025);
      }

      /* Logo image */
      #logoImg {
        width: 100%;
        height: 100%;
        position: relative;
        z-index: 2;
        display: block;
        object-fit: contain;
        transition:
          filter var(--mode-dur) var(--mode-ease),
          opacity 0.3s ease;
        animation: glowPulseImg 4s ease-in-out infinite;
      }
      #logoImg.logo-img--swapping {
        opacity: 0;
      }

      /* Logo Hover Entrance (Transition) */
      .brand-group:hover .logo-inner-wrap {
        transform: scale(1.38) rotate(-3deg);
      }
      [data-mode='buyer'] .brand-group:hover .logo-inner-wrap {
        transform: scale(1.08) rotate(-3deg);
      }

      /* Logo Hover Loop (Animation) */
      .brand-group:hover #logoImg {
        animation: bobLogoPersona 3s ease-in-out infinite;
      }
      [data-mode='buyer'] .brand-group:hover #logoImg {
        animation: bobLogoBuyer 3s ease-in-out infinite;
      }

      @keyframes bobLogoPersona {
        0%,
        100% {
          transform: scale(1) rotate(0deg);
          filter: drop-shadow(0 0 10px var(--cs-logo-glow))
            drop-shadow(0 0 20px var(--cs-logo-glow));
        }
        50% {
          transform: scale(0.97) rotate(2deg);
          filter: drop-shadow(0 0 25px var(--cs-logo-glow))
            drop-shadow(0 0 45px var(--cs-logo-glow));
        }
      }
      @keyframes bobLogoBuyer {
        0%,
        100% {
          transform: scale(1) rotate(0deg);
          filter: brightness(1.6) saturate(1.1);
        }
        50% {
          transform: scale(0.97) rotate(2deg);
          filter: brightness(1.7) saturate(1.2);
        }
      }

      @keyframes glowPulseImg {
        0%,
        100% {
          filter: drop-shadow(0 0 10px var(--cs-logo-glow))
            drop-shadow(0 0 20px var(--cs-logo-glow));
        }
        50% {
          filter: drop-shadow(0 0 25px var(--cs-logo-glow))
            drop-shadow(0 0 45px var(--cs-logo-glow));
        }
      }

      /* ── Wordmark SVG ─────────────────────────────────────────── */
      .wordmark-svg-wrap {
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 0.9rem;
        animation: wordmarkEnter 1.5s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
        opacity: 0;
      }
      .wordmark-svg {
        height: 3.8rem;
        width: auto;
        filter: drop-shadow(0 0 20px rgba(248, 248, 248, 0.07));
        transition:
          filter var(--mode-dur) var(--mode-ease),
            opacity 0.3s ease;
          transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      }
        #logoImg.logo-img--swapping {
          opacity: 0;
        }

      /* Wordmark Wrap (Entrance Transition) */
      .wordmark-hover-wrap {
        display: block;
        transition: f ease-out;
      }
      .brand-group:hover .wordmark-hover-wrap {
        transform: scale(1.05) rotate(-2deg);
      }

      /* Wordmark SVG (Hover Loop Animation) */
      .brand-group:hover .wordmark-svg {
        animation: bobWordmark 3s ease-in-out infinite;
      }
      @keyframes bobWordmark {
        0%,
        100% {
          transform: scale(1) rotate(0deg);
        }
        50% {
          transform: scale(0.97) rotate(1.5deg);
        }
      }

      [data-mode='buyer'] .wordmark-svg {
        filter: drop-shadow(0 2px 12px rgba(30, 58, 138, 0.1));
      }
      @keyframes wordmarkEnter {
        0% {
          opacity: 0;
          transform: translateY(20px) scale(0.9);
          filter: blur(6px);
        }
        100% {
          opacity: 1;
          transform: translateY(0) scale(1);
          filter: blur(0);
        }
      }

      /* Wordmark text fill — Persona: white, Buyer: KEST Blue */
      .wm-text {
        fill: #f8f8f8;
        font-family:
          'PrometheanBoldCond', PrometheanBoldCondensed, 'Promethean Bold Condensed', Impact,
          sans-serif;
        font-size: 900px;
        transition: fill var(--mode-dur) var(--mode-ease);
      }
      [data-mode='buyer'] .wm-text {
        fill: #1e40af;
      }

      /* Wordmark Hover Colors */
      [data-mode='buyer'] .brand-group:hover .wm-text {
        fill: #2563eb;
      }

      /* ── Tagline ────────────────────────────────────────────────── */
      .tagline {
        font-size: 0.78rem;
        font-weight: 500;
        letter-spacing: 0.28em;
        text-transform: uppercase;
        color: var(--cs-text-mid);
        margin-bottom: 2rem;
        animation: fadeUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.55s forwards;
        opacity: 0;
        transition: color var(--mode-dur) var(--mode-ease);
      }

      @keyframes fadeUp {
        0% {
          opacity: 0;
          transform: translateY(16px);
        }
        100% {
          opacity: 1;
          transform: translateY(0);
        }
      }

      /* ── Audience badge ─────────────────────────────────────────── */
      .audience-badge {
        display: inline-flex;
        align-items: center;
        gap: 7px;
        font-size: 0.625rem;
        font-weight: 700;
        letter-spacing: 0.14em;
        text-transform: uppercase;
        padding: 5px 16px;
        border-radius: 100px;
        margin-bottom: 3rem;
        animation: wordmarkEnter 1.5s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
        opacity: 0;
        transition:
          background var(--mode-dur) var(--mode-ease),
          border-color var(--mode-dur) var(--mode-ease),
          color var(--mode-dur) var(--mode-ease);
      }
      /* Persona badge — subtle purple */
      [data-mode='persona'] .audience-badge {
        background: rgba(124, 58, 237, 0.12);
        border: 1px solid rgba(124, 58, 237, 0.22);
        color: #93c5fd;
      }
      /* Buyer badge — KEST Blue, crisp */
      [data-mode='buyer'] .audience-badge {
        background: rgba(30, 58, 138, 0.08);
        border: 1px solid rgba(30, 58, 138, 0.22);
        color: #1e3a8a;
      }
      .badge-dot {
        width: 5px;
        height: 5px;
        border-radius: 50%;
        background: currentColor;
        animation: pulseDot 2.5s ease-in-out infinite;
      }
      @keyframes pulseDot {
        0%,
        100% {
          opacity: 1;
          transform: scale(1);
        }
        50% {
          opacity: 0.35;
          transform: scale(0.65);
        }
      }

      /* ── Divider ──────────────────────────────────────────────── */
      .divider {
        width: 60px;
        height: 1.5px;
        margin-bottom: 2.5rem;
        animation:
          dividerGrow 1.5s cubic-bezier(0.16, 1, 0.3, 1) 1s forwards,
          shimmer 7.5s ease-in-out 2.5s infinite;
        opacity: 0;
        transform: scaleX(0);
        transform-origin: center;
        background-size: 200% 100%;
        transition: background var(--mode-dur) var(--mode-ease);
      }

      /* PERSONA divider */
      [data-mode='persona'] .divider {
        background-image: linear-gradient(
          90deg,
          transparent 0%,
          rgba(59, 130, 246, 0.5) 20%,
          #7c3aed 40%,
          rgba(255, 255, 255, 0.9) 50%,
          #7c3aed 60%,
          rgba(212, 165, 116, 0.5) 80%,
          transparent 100%
        );
      }

      /* BUYER divider */
      [data-mode='buyer'] .divider {
        background-image: linear-gradient(
          90deg,
          transparent 0%,
          rgba(30, 58, 138, 0.3) 20%,
          #94a3b8 40%,
          rgba(16, 46, 138, 1) 50%,
          #94a3b8 60%,
          rgba(30, 58, 138, 0.3) 80%,
          transparent 100%
        );
      }

      @keyframes dividerGrow {
        0% {
          opacity: 0;
          transform: scaleX(0);
          width: 0;
        }
        100% {
          opacity: 1;
          transform: scaleX(1);
          width: 120px;
        }
      }

      /* ── Coming Soon ─────────────────────────────────────────── */
      .coming-soon {
        font-size: 1.05rem;
        font-weight: 300;
        letter-spacing: 0.42em;
        text-transform: uppercase;
        margin-bottom: 1.5rem;
        animation: fadeUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 1.3s forwards;
        opacity: 0;
      }

      /* PERSONA shimmer */
      [data-mode='persona'] .coming-soon span {
        display: inline-block;
        background: linear-gradient(
          90deg,
          rgba(248, 248, 248, 0.5) 0%,
          rgba(248, 248, 248, 0.5) 40%,
          rgba(59, 130, 246, 1) 50%,
          rgba(248, 248, 248, 0.5) 60%,
          rgba(248, 248, 248, 0.5) 100%
        );
        background-size: 200% 100%;
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        animation: shimmer 7.5s ease-in-out 2.5s infinite;
      }

      /* BUYER shimmer — Blue flash on slate gray */
      [data-mode='buyer'] .coming-soon span {
        display: inline-block;
        background: linear-gradient(
          90deg,
          #1e3a8a 0%,
          #1e3a8a 40%,
          #ffffff 48%,
          rgba(59, 130, 246, 1) 50%,
          #1e3a8a 55%,
          #1e3a8a 100%
        );
        background-size: 200% 100%;
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        animation: shimmer 7.5s ease-in-out 2.5s infinite;
      }

      @keyframes shimmer {
        0%,
        100% {
          background-position: 100% 0;
        }
        50% {
          background-position: -100% 0;
        }
      }

      /* ── Promise ─────────────────────────────────────────────── */
      .promise {
        font-size: 0.88rem;
        font-weight: 400;
        color: var(--cs-text-muted);
        line-height: 1.75;
        max-width: 480px;
        animation: fadeUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 1.6s forwards;
        opacity: 0;
        margin-bottom: 2.5rem;
        transition: color var(--mode-dur) var(--mode-ease);
      }
      [data-mode='persona'] .promise em {
        font-style: normal;
        color: rgba(59, 130, 246, 0.75);
      }
      [data-mode='buyer'] .promise em {
        font-style: normal;
        color: #1e40af;
        font-weight: 500;
      }

      /* ── Email + CTA ─────────────────────────────────────────── */
      .notify-group {
        display: flex;
        align-items: center;
        animation: fadeUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 1.9s forwards;
        opacity: 0;
        margin-bottom: 3rem;
      }

      .notify-input {
        background: var(--cs-input-bg);
        border: 1px solid var(--cs-input-border);
        border-right: none;
        border-radius: 8px 0 0 8px;
        padding: 14px 20px;
        font-family: var(--font-display);
        font-size: 0.875rem;
        color: var(--cs-text);
        outline: none;
        width: 280px;
        transition:
          border-color 0.25s ease,
          background 0.25s ease,
          color var(--mode-dur) var(--mode-ease);
      }
      .notify-input::placeholder {
        color: var(--cs-text-muted);
        letter-spacing: 0.02em;
      }
      .notify-input:focus {
        border-color: var(--cs-input-focus);
        background: var(--cs-input-fill);
      }

      .notify-btn {
        background: var(--cs-btn-bg);
        border: 1px solid var(--cs-btn-border);
        border-radius: 0 8px 8px 0;
        padding: 14px 24px;
        font-family: var(--font-display);
        font-size: 0.8rem;
        font-weight: 600;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: #ffffff;
        cursor: pointer;
        transition: all 0.28s ease;
        white-space: nowrap;
      }
      .notify-btn:hover {
        background: var(--cs-btn-hover);
        box-shadow: 0 0 24px var(--cs-btn-shadow);
        transform: translateX(2px);
      }
      .notify-btn.is-disabled {
        pointer-events: none;
      }
      .notify-btn:active {
        transform: scale(0.98);
      }

      .notify-group.submitted .notify-input,
      .notify-group.submitted .notify-btn {
        pointer-events: none;
      }
      .notify-group.submitted .notify-btn {
        background: linear-gradient(135deg, #059669, #047857);
        border-color: rgba(5, 150, 105, 0.3);
      }

      /* ── Footer ─────────────────────────────────────────────── */
      .footer {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 10;
        padding: 1.5rem 2rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 1.5rem;
        font-size: 0.7rem;
        color: var(--cs-footer-text);
        letter-spacing: 0.05em;
        animation: fadeUp 1s ease 2.5s forwards;
        opacity: 0;
        transition: color var(--mode-dur) var(--mode-ease);
      }
      .footer a {
        color: var(--cs-footer-link);
        text-decoration: none;
        transition: color 0.25s ease;
      }
      .footer a:hover {
        color: var(--cs-footer-hover);
      }
      .footer-dot {
        width: 3px;
        height: 3px;
        border-radius: 50%;
        background: var(--cs-footer-dot);
        transition: background var(--mode-dur) var(--mode-ease);
      }

      /* ═══════════════════════════════════════════════════════════════
         RESPONSIVE
      ═══════════════════════════════════════════════════════════════ */
      @media (max-width: 640px) {
        .logo-container {
          width: 130px;
          height: 130px;
          margin-bottom: 1.5rem;
        }
        .wordmark-svg {
          height: 2.6rem;
        }
        .tagline {
          font-size: 0.62rem;
          letter-spacing: 0.2em;
        }
        .coming-soon {
          font-size: 0.88rem;
          letter-spacing: 0.32em;
        }
        .promise {
          font-size: 0.8rem;
          padding: 0 1rem;
        }
        .notify-input {
          width: 180px;
          padding: 12px 16px;
        }
        .notify-btn {
          padding: 12px 16px;
          font-size: 0.7rem;
        }
        .mode-btn {
          padding: 5px 12px;
          font-size: 0.6rem;
        }
      }
      @media (max-width: 380px) {
        .wordmark-svg {
          height: 2rem;
        }
        .notify-group {
          flex-direction: column;
          gap: 8px;
        }
        .notify-input {
          width: 100%;
          border-radius: 8px;
          border-right: 1px solid var(--cs-input-border);
        }
        .notify-btn {
          border-radius: 8px;
          width: 100%;
        }
      }

      ::selection {
        background: rgba(59, 130, 246, 0.3);
        color: var(--cs-text);
      }