:root {
    --indigo: #2C3E6B;
    --indigo-deep: #1E2B4D;
    --indigo-light: #3D5290;
    --amber: #E8A849;
    --amber-glow: #F5C76E;
    --amber-soft: rgba(232, 168, 73, 0.12);
    --coral: #E07A6B;
    --coral-soft: rgba(224, 122, 107, 0.10);
    --sage: #8BA89A;
    --sage-soft: rgba(139, 168, 154, 0.12);
    --cream: #FAF6F0;
    --cream-dark: #F0EBE3;
    --text: #1E1E2A;
    --text-mid: #4A4A5A;
    --text-soft: #7A7A8A;
    --white: #FFFFFF;
    --radius: 20px;
    --radius-sm: 12px;
    --radius-xs: 8px;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }

  body {
    font-family: 'Nunito Sans', sans-serif;
    background: var(--cream);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }

  /* === NAV === */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 18px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(250, 246, 240, 0.88);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(44, 62, 107, 0.06);
    transition: all 0.4s ease;
  }

  .nav-scrolled {
    padding: 14px 48px;
    box-shadow: 0 4px 30px rgba(30, 30, 42, 0.06);
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
  }

  .logo-mark svg { width: 38px; height: 38px; }

  .logo-text {
    font-family: 'Lora', serif;
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--indigo);
    letter-spacing: -0.03em;
  }

  .nav-right {
    display: flex;
    align-items: center;
    gap: 32px;
  }

  .nav-right a {
    text-decoration: none;
    color: var(--text-mid);
    font-size: 0.88rem;
    font-weight: 600;
    transition: color 0.25s;
  }

  .nav-right a:hover { color: var(--indigo); }

  .nav-cta {
    background: var(--indigo) !important;
    color: var(--cream) !important;
    padding: 11px 28px;
    border-radius: 100px;
    transition: all 0.3s ease !important;
    box-shadow: 0 2px 12px rgba(44, 62, 107, 0.2);
  }

  .nav-cta:hover {
    background: var(--indigo-light) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(44, 62, 107, 0.3);
  }

  /* === HERO === */
  .hero {
    min-height: 100vh;
    padding: 160px 48px 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
  }

  .hero-bg {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: drift 20s ease-in-out infinite;
  }

  .hb1 {
    width: 500px; height: 500px;
    background: var(--amber);
    top: -100px; right: -80px;
    opacity: 0.16;
  }

  .hb2 {
    width: 400px; height: 400px;
    background: var(--indigo-light);
    bottom: -50px; left: -100px;
    opacity: 0.07;
    animation-delay: -7s;
  }

  .hb3 {
    width: 300px; height: 300px;
    background: var(--coral);
    top: 35%; left: 55%;
    opacity: 0.06;
    animation-delay: -13s;
  }

  @keyframes drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -25px) scale(1.04); }
    50% { transform: translate(-20px, 20px) scale(0.97); }
    75% { transform: translate(15px, 10px) scale(1.02); }
  }

  .hero-content {
    max-width: 680px;
    text-align: center;
    position: relative;
    z-index: 2;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 9px 22px;
    background: var(--white);
    border-radius: 100px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-mid);
    box-shadow: 0 2px 16px rgba(30, 30, 42, 0.06);
    margin-bottom: 36px;
    animation: fadeUp 0.7s ease-out;
  }

  .badge-dot {
    width: 8px; height: 8px;
    background: var(--amber);
    border-radius: 50%;
    animation: glow 2.5s infinite;
  }

  @keyframes glow {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(232, 168, 73, 0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(232, 168, 73, 0); }
  }

  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }

  h1 {
    font-family: 'Lora', serif;
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 700;
    line-height: 1.14;
    letter-spacing: -0.035em;
    color: var(--indigo-deep);
    margin-bottom: 24px;
    animation: fadeUp 0.7s ease-out 0.1s both;
  }

  h1 .hl {
    position: relative;
    display: inline;
  }

  h1 .hl::after {
    content: '';
    position: absolute;
    bottom: 2px; left: -4px; right: -4px;
    height: 12px;
    background: var(--amber);
    opacity: 0.25;
    border-radius: 4px;
    z-index: -1;
  }

  .hero-sub {
    font-size: 1.12rem;
    color: var(--text-mid);
    max-width: 520px;
    margin: 0 auto 40px;
    line-height: 1.75;
    animation: fadeUp 0.7s ease-out 0.2s both;
  }

  .hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    animation: fadeUp 0.7s ease-out 0.3s both;
  }

  .hero-form {
    display: flex;
    gap: 10px;
    width: 100%;
    max-width: 440px;
  }

  .hero-form input {
    flex: 1;
    padding: 16px 24px;
    border: 2px solid rgba(44, 62, 107, 0.1);
    border-radius: 100px;
    font-family: 'Nunito Sans', sans-serif;
    font-size: 0.95rem;
    background: var(--white);
    outline: none;
    transition: all 0.3s;
    color: var(--text);
  }

  .hero-form input:focus {
    border-color: var(--indigo);
    box-shadow: 0 0 0 4px rgba(44, 62, 107, 0.08);
  }

  .hero-form input::placeholder { color: var(--text-soft); }

  .btn-primary {
    padding: 16px 34px;
    background: var(--indigo);
    color: var(--cream);
    border: none;
    border-radius: 100px;
    font-family: 'Nunito Sans', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-shadow: 0 4px 16px rgba(44, 62, 107, 0.25);
  }

  .btn-primary:hover {
    background: var(--indigo-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(44, 62, 107, 0.3);
  }

  .hero-note {
    font-size: 0.83rem;
    color: var(--text-soft);
    line-height: 1.6;
  }

  .hero-note svg {
    width: 14px; height: 14px;
    vertical-align: -2px;
    margin-right: 4px;
    color: var(--sage);
  }

  /* === EMPATHY === */
  .empathy {
    padding: 60px 48px 100px;
  }

  .empathy-inner {
    max-width: 640px;
    margin: 0 auto;
  }

  .empathy-line {
    display: block;
    width: 48px;
    height: 3px;
    background: var(--amber);
    border-radius: 2px;
    margin: 0 auto 40px;
  }

  .empathy-lead {
    font-family: 'Lora', serif;
    font-size: clamp(1.4rem, 2.8vw, 1.9rem);
    font-weight: 500;
    font-style: italic;
    line-height: 1.5;
    color: var(--indigo);
    text-align: center;
    margin-bottom: 48px;
  }

  .empathy-body {
    font-size: 1.02rem;
    color: var(--text-mid);
    line-height: 1.85;
  }

  .empathy-body p { margin-bottom: 20px; }
  .empathy-body p:last-child { margin-bottom: 0; }

  .empathy-body strong {
    color: var(--indigo);
    font-weight: 700;
  }

  .empathy-body .shift {
    padding: 24px 0;
    font-size: 1rem;
    line-height: 2;
    color: var(--text);
  }

  .empathy-body .landing {
    background: var(--white);
    border-radius: var(--radius-sm);
    padding: 28px 32px;
    margin-top: 28px;
    border-left: 3px solid var(--amber);
  }

  .empathy-body .landing strong { color: var(--text); }

  .scroll-hint {
    text-align: center;
    padding: 48px 0 0;
  }

  .scroll-hint span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-soft);
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }

  .scroll-hint svg {
    width: 16px; height: 16px;
    animation: bob 2s ease-in-out infinite;
  }

  @keyframes bob {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(5px); }
  }

  /* === PREVIEW === */
  .preview {
    padding: 80px 48px 110px;
    background: var(--white);
    position: relative;
  }

  .preview::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(44, 62, 107, 0.08), transparent);
  }

  .preview-head {
    text-align: center;
    margin-bottom: 48px;
  }

  .eyebrow {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--amber);
    margin-bottom: 14px;
  }

  .preview-head h2 {
    font-family: 'Lora', serif;
    font-size: clamp(1.7rem, 3.2vw, 2.4rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
    color: var(--indigo-deep);
    margin-bottom: 12px;
  }

  .preview-head p {
    color: var(--text-mid);
    max-width: 460px;
    margin: 0 auto;
    font-size: 0.98rem;
    line-height: 1.7;
  }

  .email-wrap {
    max-width: 560px;
    margin: 0 auto;
    position: relative;
  }

  .email-wrap::before {
    content: '';
    position: absolute;
    top: 16px; left: 16px; right: -16px; bottom: -16px;
    background: var(--indigo);
    opacity: 0.04;
    border-radius: 22px;
  }

  .email {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 8px 40px rgba(30, 30, 42, 0.08), 0 1px 3px rgba(30, 30, 42, 0.04);
    overflow: hidden;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(44, 62, 107, 0.06);
  }

  .email-bar {
    padding: 18px 24px;
    background: var(--indigo);
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .email-bar-icon {
    width: 28px; height: 28px;
    background: rgba(255,255,255,0.15);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .email-bar-icon svg { width: 16px; height: 16px; }

  .email-bar h4 {
    font-family: 'Lora', serif;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--cream);
  }

  .email-bar .date {
    font-size: 0.73rem;
    color: rgba(250, 246, 240, 0.55);
    margin-left: auto;
  }

  .email-body { padding: 28px 24px; }

  .email-greeting {
    font-family: 'Lora', serif;
    font-size: 1.12rem;
    font-weight: 500;
    color: var(--indigo-deep);
    margin-bottom: 6px;
  }

  .email-intro {
    font-size: 0.85rem;
    color: var(--text-mid);
    margin-bottom: 22px;
    line-height: 1.6;
  }

  .bi {
    display: flex;
    gap: 12px;
    padding: 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    align-items: flex-start;
  }

  .bi-trending { background: var(--amber-soft); }
  .bi-platform { background: rgba(44, 62, 107, 0.045); }
  .bi-emotional { background: var(--coral-soft); }
  .bi-talk { background: var(--sage-soft); }

  .bi-icon {
    width: 34px; height: 34px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
  }

  .bi-trending .bi-icon { background: rgba(232, 168, 73, 0.2); }
  .bi-platform .bi-icon { background: rgba(44, 62, 107, 0.08); }
  .bi-emotional .bi-icon { background: rgba(224, 122, 107, 0.15); }
  .bi-talk .bi-icon { background: rgba(139, 168, 154, 0.2); }

  .bi-text h5 {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2px;
  }

  .bi-text p {
    font-size: 0.8rem;
    color: var(--text-mid);
    line-height: 1.55;
  }

  .email-foot {
    padding: 16px 24px;
    border-top: 1px solid rgba(44, 62, 107, 0.06);
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-soft);
  }

  /* === SIGNUP === */
  .signup {
    padding: 100px 48px 120px;
    position: relative;
  }

  .signup .hero-bg { opacity: 0.1; }

  .signup-card {
    max-width: 540px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 24px;
    padding: 48px 40px;
    box-shadow: 0 12px 60px rgba(30, 30, 42, 0.1), 0 2px 6px rgba(30, 30, 42, 0.04);
    border: 1px solid rgba(44, 62, 107, 0.04);
    position: relative;
    z-index: 2;
  }

  .signup-card h2 {
    font-family: 'Lora', serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--indigo-deep);
    text-align: left;
    margin-bottom: 6px;
    letter-spacing: -0.02em;
  }

  .signup-card .sub {
    color: var(--text-mid);
    font-size: 0.9rem;
    margin-bottom: 32px;
    line-height: 1.6;
  }

  .fg { margin-bottom: 16px; }

  .fg label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text);
    letter-spacing: 0.02em;
  }

  .fg label .opt { font-weight: 400; color: var(--text-soft); }

  .fg input, .fg select, .fg textarea {
    width: 100%;
    padding: 13px 16px;
    border: 2px solid rgba(44, 62, 107, 0.09);
    border-radius: var(--radius-xs);
    font-family: 'Nunito Sans', sans-serif;
    font-size: 0.9rem;
    background: var(--cream);
    outline: none;
    transition: all 0.3s;
    color: var(--text);
  }

  .fg input:focus, .fg select:focus, .fg textarea:focus {
    border-color: var(--indigo);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(44, 62, 107, 0.06);
  }

  .fg textarea { resize: vertical; min-height: 72px; }

  .fr {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .child-block {
    background: var(--cream);
    border-radius: var(--radius-sm);
    padding: 22px;
    margin-bottom: 14px;
    border: 1px solid rgba(44, 62, 107, 0.04);
  }

  .child-block-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
  }

  .child-block-head h4 {
    font-family: 'Lora', serif;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--indigo);
  }

  .btn-rm {
    background: none;
    border: none;
    font-size: 0.76rem;
    color: var(--text-soft);
    cursor: pointer;
    padding: 3px 8px;
    border-radius: 6px;
    transition: all 0.2s;
  }

  .btn-rm:hover { background: var(--coral-soft); color: var(--coral); }

  .btn-add {
    width: 100%;
    padding: 12px;
    background: none;
    border: 2px dashed rgba(44, 62, 107, 0.12);
    border-radius: var(--radius-xs);
    font-family: 'Nunito Sans', sans-serif;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--text-soft);
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 22px;
  }

  .btn-add:hover { border-color: var(--indigo); color: var(--indigo); }

  .chips { display: flex; flex-wrap: wrap; gap: 7px; }

  .chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 14px;
    background: var(--cream);
    border: 2px solid transparent;
    border-radius: 100px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-mid);
    cursor: pointer;
    transition: all 0.25s;
    user-select: none;
  }

  .chip:hover { border-color: var(--indigo); }

  .chip.on {
    background: rgba(44, 62, 107, 0.08);
    border-color: var(--indigo);
    color: var(--indigo);
    font-weight: 700;
  }

  .chip input { display: none; }

  .btn-go {
    width: 100%;
    padding: 17px;
    background: var(--indigo);
    color: var(--cream);
    border: none;
    border-radius: 100px;
    font-family: 'Nunito Sans', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 8px;
    box-shadow: 0 4px 20px rgba(44, 62, 107, 0.25);
  }

  .btn-go:hover {
    background: var(--indigo-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(44, 62, 107, 0.3);
  }

  .footnote {
    text-align: center;
    font-size: 0.76rem;
    color: var(--text-soft);
    margin-top: 14px;
  }

  .success {
    display: none;
    text-align: center;
    padding: 28px 0;
  }

  .success.show { display: block; animation: fadeUp 0.5s ease-out; }

  .success-icon {
    width: 76px; height: 76px;
    border-radius: 50%;
    background: var(--sage);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: 0 0 0 12px var(--sage-soft);
  }

  .success-icon svg { width: 34px; height: 34px; color: var(--white); }

  .success h3 {
    font-family: 'Lora', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--indigo-deep);
    margin-bottom: 12px;
  }

  .success p {
    font-size: 0.92rem;
    color: var(--text-mid);
    line-height: 1.7;
    max-width: 360px;
    margin: 0 auto;
  }

  /* === FAQ === */
  .faq {
    padding: 80px 48px 100px;
    background: var(--white);
  }

  .faq-head {
    text-align: center;
    margin-bottom: 48px;
  }

  .faq-head h2 {
    font-family: 'Lora', serif;
    font-size: clamp(1.5rem, 2.8vw, 2rem);
    font-weight: 700;
    color: var(--indigo-deep);
  }

  .faq-list {
    max-width: 600px;
    margin: 0 auto;
  }

  .fq {
    border-bottom: 1px solid rgba(44, 62, 107, 0.07);
    padding: 20px 0;
    cursor: pointer;
  }

  .fq-q {
    font-family: 'Lora', serif;
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--indigo-deep);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    user-select: none;
  }

  .fq-dot {
    width: 26px; height: 26px;
    border-radius: 50%;
    background: var(--amber-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s;
  }

  .fq-dot svg {
    width: 12px; height: 12px;
    color: var(--amber);
    transition: transform 0.3s;
  }

  .fq.open .fq-dot { background: var(--amber); }
  .fq.open .fq-dot svg { color: var(--white); transform: rotate(45deg); }

  .fq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
  }

  .fq.open .fq-a { max-height: 200px; padding-top: 12px; }

  .fq-a p {
    font-size: 0.88rem;
    color: var(--text-mid);
    line-height: 1.7;
  }

  /* === FOOTER === */
  footer {
    padding: 44px 48px;
    border-top: 1px solid rgba(44, 62, 107, 0.06);
    text-align: center;
  }

  .f-logo {
    font-family: 'Lora', serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--indigo);
    margin-bottom: 12px;
  }

  .f-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
  }

  .f-links a {
    text-decoration: none;
    font-size: 0.82rem;
    color: var(--text-soft);
    transition: color 0.2s;
  }

  .f-links a:hover { color: var(--indigo); }

  .f-copy {
    font-size: 0.76rem;
    color: var(--text-soft);
  }

  /* === RESPONSIVE === */
  @media (max-width: 768px) {
    nav { padding: 14px 20px; }
    .nav-right a:not(.nav-cta) { display: none; }
    .hero { padding: 130px 24px 70px; }
    .hero-form { flex-direction: column; }
    .hero-form input, .btn-primary { width: 100%; }
    .empathy, .preview, .signup, .faq { padding-left: 24px; padding-right: 24px; }
    .signup-card { padding: 36px 24px; }
    .fr { grid-template-columns: 1fr; }
  }

  /* === REVEALS === */
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .reveal.vis { opacity: 1; transform: translateY(0); }