:root {
    --bg: #f5efe6;
    --paper: #fbf6ee;
    --paper-strong: #efe7da;
    --ink: #15120f;
    --muted: #5f564d;
    --line: rgba(21, 18, 15, 0.09);
    --line-strong: rgba(21, 18, 15, 0.14);
    --accent: #d4e75d;
    --dark: #171411;
    --dark-muted: rgba(255, 248, 239, 0.74);
}

body {
    background:
        radial-gradient(circle at top left, rgba(212, 231, 93, 0.22), transparent 20%),
        radial-gradient(circle at right 15%, rgba(255, 255, 255, 0.48), transparent 18%),
        linear-gradient(180deg, #faf6ef 0%, #f5efe6 100%);
    color: var(--ink);
    font-family: Georgia, "Times New Roman", serif;
    -webkit-font-smoothing: antialiased;
}

.page-shell {
    min-height: 100vh;
}

.lp-main {
    padding-bottom: 4rem;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(250, 246, 239, 0.84);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(21, 18, 15, 0.08);
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.brand-mark,
.hero-headline,
.section-title,
.form-title,
.feature-card h3,
.step-index,
.graph-header h3 {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.brand-mark {
    color: var(--ink);
    font-size: 1.08rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.icon-inline {
    display: inline-block;
    margin-right: 0.45rem;
    color: rgba(21, 18, 15, 0.52);
    font-size: 0.95em;
    vertical-align: -0.06em;
}

.hero-section,
.section-block {
    padding: 3.5rem 0;
}

.single-column {
    width: min(100%, 920px);
    margin: 0 auto;
}

.narrow-column {
    width: min(100%, 760px);
    margin: 0 auto;
}

.hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 2.25rem;
    align-items: start;
}

.hero-panel {
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(21, 18, 15, 0.08);
}

.hero-copy-column {
    min-width: 0;
}

.hero-form-column {
    position: sticky;
    top: 6.2rem;
}

.eyebrow {
    margin: 0 0 1rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.74rem;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-weight: 700;
}

.hero-headline {
    margin: 0;
    font-size: clamp(3rem, 8vw, 5.5rem);
    line-height: 0.92;
    letter-spacing: -0.07em;
    /* max-width: 8.5ch; */
}

.hero-subheadline,
.section-copy,
.form-copy,
.feature-card p,
.step-row p,
.support-line,
.insight-list li,
.chat-message p {
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.65;
}

.hero-subheadline {
    max-width: 38rem;
    margin: 1.45rem 0 0;
    font-size: 1.12rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.25rem;
    align-items: center;
    margin-top: 1.75rem;
}

.text-link {
    color: var(--ink);
    text-decoration: none;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 1rem;
    border-bottom: 1px solid rgba(21, 18, 15, 0.18);
}

.signup-card,
.stack-card,
.feature-card,
.dark-card,
.step-row,
.graph-card,
.chat-shell {
    border-radius: 1.35rem;
    border: 1px solid var(--line);
}

.signup-card {
    padding: 1.6rem;
    background: linear-gradient(180deg, rgba(252, 247, 240, 0.96), rgba(240, 232, 220, 0.98));
    box-shadow: 0 16px 32px rgba(21, 18, 15, 0.06);
}

.security-badge {
    display: flex;
    gap: 0.9rem;
    align-items: start;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(21, 18, 15, 0.08);
}

.security-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    background: var(--accent);
    color: var(--ink);
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    flex: 0 0 auto;
}

.security-icon i {
    font-size: 0.95rem;
}

.security-badge p,
.security-badge span {
    margin: 0;
    display: block;
}

.security-badge p {
    color: var(--ink);
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 0.92rem;
    font-weight: 700;
}

.security-badge span {
    margin-top: 0.2rem;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.form-title {
    margin: 0;
    font-size: 2rem;
    letter-spacing: -0.05em;
    line-height: 0.96;
}

.signup-card form {
    margin-top: 1.5rem;
}

.form-copy {
    margin: 0.85rem 0 1.35rem;
}

.success-state {
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.section-intro {
    margin-bottom: 1.2rem;
    max-width: 640px;
}

.section-title {
    margin: 0;
    font-size: clamp(2rem, 5.5vw, 3.3rem);
    line-height: 0.96;
    letter-spacing: -0.055em;

}

.section-copy {
    margin-top: 1rem;
}

.section-copy-large p {
    margin: 0;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.problem-lead {
    max-width: 34rem;
    margin-top: 0.85rem;
    font-size: 1.12rem;
}

.pain-stack {
    display: grid;
    gap: 1rem;
}

.pain-points {
    display: grid;
    gap: 0.85rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.pain-points li {
    position: relative;
    padding: 1.1rem 1.2rem 1.1rem 3.2rem;
    border-radius: 1.2rem;
    border: 1px solid var(--line);
    background: rgba(252, 247, 240, 0.78);
    color: var(--ink);
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 1.08rem;
    line-height: 1.45;
    letter-spacing: -0.02em;
}

.pain-points li::before {
    content: "";
    position: absolute;
    top: 1.2rem;
    left: 1.2rem;
    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 0 6px rgba(212, 231, 93, 0.18);
}

.pain-close {
    padding: 1.35rem 1.4rem;
    border-radius: 1.2rem;
    background: linear-gradient(180deg, rgba(21, 18, 15, 0.96), rgba(31, 26, 22, 0.98));
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.pain-close p {
    margin: 0;
    color: #f7f1e7;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 1.15rem;
    line-height: 1.4;
    letter-spacing: -0.03em;
}

.pain-close p + p {
    margin-top: 0.45rem;
}

.pain-close p:last-child {
    color: var(--accent);
}

.stack-card {
    padding: 1.5rem 1.6rem;
    background: rgba(252, 247, 240, 0.92);
}

.insight-list {
    margin: 0;
    padding-left: 1.25rem;
}

.insight-list li + li {
    margin-top: 0.95rem;
}

.insight-list li {
    color: var(--ink);
    font-size: 1.08rem;
    line-height: 1.52;
}

.insight-list li::marker {
    color: rgba(21, 18, 15, 0.45);
}

.feature-stack {
    display: grid;
    gap: 1rem;
}

.feature-card {
    padding: 1.25rem 1.35rem;
    background: rgba(252, 247, 240, 0.72);
    border-left: 4px solid var(--accent);
}

.feature-card h3 {
    margin: 0 0 0.55rem;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 700;
}

.feature-card p {
    margin: 0;
    color: var(--ink);
}

.graph-card {
    margin-top: 1.15rem;
    padding: 1.3rem;
    background: rgba(252, 247, 240, 0.82);
}

.graph-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: start;
    margin-bottom: 1rem;
}

.graph-header h3 {
    margin: 0.2rem 0 0;
    font-size: 1.35rem;
    letter-spacing: -0.04em;
}

.graph-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    background: rgba(21, 18, 15, 0.06);
    color: var(--muted);
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.graph-canvas {
    position: relative;
    min-height: 300px;
    overflow: hidden;
    border-radius: 1rem;
    border: 1px solid rgba(21, 18, 15, 0.08);
    background:
        radial-gradient(circle at 20% 20%, rgba(217, 234, 99, 0.2), transparent 22%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.5), transparent 25%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(245, 238, 227, 0.92));
}

.graph-node {
    position: absolute;
    z-index: 2;
    padding: 0.7rem 1rem;
    border-radius: 999px;
    background: rgba(252, 247, 240, 0.96);
    border: 1px solid rgba(21, 18, 15, 0.08);
    box-shadow: 0 8px 16px rgba(21, 18, 15, 0.06);
    color: var(--ink);
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 0.92rem;
    font-weight: 600;
}

.graph-node-core {
    top: 43%;
    left: 38%;
    background: var(--accent);
}

.graph-node-a {
    top: 14%;
    left: 18%;
}

.graph-node-b {
    top: 18%;
    right: 14%;
}

.graph-node-c {
    bottom: 16%;
    left: 14%;
}

.graph-node-d {
    bottom: 18%;
    right: 10%;
}

.graph-node-e {
    top: 62%;
    right: 33%;
}

.graph-line {
    position: absolute;
    z-index: 1;
    display: block;
    height: 2px;
    background: linear-gradient(90deg, rgba(21, 18, 15, 0.1), rgba(21, 18, 15, 0.28));
    transform-origin: left center;
}

.graph-line-1 {
    top: 29%;
    left: 32%;
    width: 110px;
    transform: rotate(28deg);
}

.graph-line-2 {
    top: 31%;
    left: 50%;
    width: 140px;
    transform: rotate(-18deg);
}

.graph-line-3 {
    top: 57%;
    left: 27%;
    width: 120px;
    transform: rotate(-25deg);
}

.graph-line-4 {
    top: 58%;
    left: 51%;
    width: 138px;
    transform: rotate(21deg);
}

.graph-line-5 {
    top: 57%;
    left: 52%;
    width: 70px;
    transform: rotate(2deg);
}

.section-block-dark .eyebrow,
.section-block-dark .section-title,
.section-block-dark .section-copy {
    color: #f7f1e7;
}

.section-block-dark .section-copy {
    opacity: 0.84;
}

.dark-card {
    padding: 1.6rem 1.7rem;
    background: linear-gradient(135deg, #191613, #231d17);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 16px 30px rgba(21, 18, 15, 0.12);
}

.trust-stack {
    display: grid;
    gap: 0.9rem;
}

.trust-card {
    padding: 1.3rem 1.4rem;
    border-radius: 1.2rem;
    border: 1px solid var(--line);
    background: rgba(252, 247, 240, 0.84);
}

.trust-card h3 {
    margin: 0 0 0.45rem;
    color: var(--ink);
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 1rem;
    letter-spacing: -0.02em;
}

.trust-card p {
    margin: 0;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.58;
}

.insight-list-light li,
.support-line {
    color: var(--dark-muted);
}

.insight-list-light li::marker {
    color: rgba(255, 255, 255, 0.42);
}

.support-line {
    margin: 1.25rem 0 0;
    font-style: italic;
}

.steps-stack {
    display: grid;
    gap: 0.9rem;
}

.step-row {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 1rem;
    align-items: start;
    padding: 1rem 1.15rem;
    background: rgba(252, 247, 240, 0.78);
}

.step-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 999px;
    background: var(--accent);
    color: var(--ink);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.06em;
}

.step-index i {
    font-size: 1rem;
}

.step-row p {
    margin: 0.3rem 0 0;
    color: var(--ink);
}

.chat-shell {
    overflow: hidden;
    background: linear-gradient(180deg, rgba(252, 247, 240, 0.98), rgba(243, 236, 225, 0.98));
    box-shadow: 0 12px 24px rgba(21, 18, 15, 0.06);
}

.chat-topbar {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.9rem 1.15rem;
    border-bottom: 1px solid rgba(21, 18, 15, 0.08);
    background: rgba(255, 255, 255, 0.42);
}

.chat-topbar p {
    margin: 0 0 0 0.35rem;
    color: var(--muted);
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
}

.chat-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: rgba(21, 18, 15, 0.18);
}

.chat-body {
    display: grid;
    gap: 1rem;
    padding: 1rem;
}

.chat-message {
    max-width: 88%;
    padding: 0.95rem 1rem;
    border-radius: 1.1rem;
}

.chat-message span {
    display: inline-block;
    margin-bottom: 0.45rem;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.chat-message-user .icon-inline,
.chat-message-assistant .icon-inline {
    margin-right: 0.35rem;
}

.chat-message-user .icon-inline {
    color: rgba(255, 255, 255, 0.72);
}

.chat-message-assistant .icon-inline {
    color: rgba(21, 18, 15, 0.46);
}

.chat-message p {
    margin: 0;
    font-size: 1.08rem;
    line-height: 1.6;
}

.chat-message-user {
    margin-left: auto;
    background: var(--ink);
    color: #fff;
    border-bottom-right-radius: 0.3rem;
}

.chat-message-user span,
.chat-message-user p {
    color: #fff;
}

.chat-message-assistant {
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid rgba(21, 18, 15, 0.08);
    color: var(--ink);
    border-bottom-left-radius: 0.3rem;
}

.chat-message-assistant span {
    color: var(--muted);
}

.chat-message-assistant p {
    color: var(--ink);
}

.btn-dark {
    background: var(--ink);
    border-color: var(--ink);
    box-shadow: 0 14px 32px rgba(21, 18, 15, 0.14);
}

.btn-dark:hover,
.btn-dark:focus {
    background: #000;
    border-color: #000;
}

.form-control,
.form-select {
    border-radius: 0.8rem;
    border-color: var(--line-strong);
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
    background: rgba(255, 255, 255, 0.88);
    color: var(--ink);
}

.form-select {
    min-height: 3.5rem;
}

.form-select option {
    color: var(--ink);
    background: #fff;
}

.form-label {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 0.88rem;
    font-weight: 600;
}

@media (max-width: 767.98px) {
    .hero-section,
    .section-block {
        padding: 2.5rem 0;
    }

    .site-nav {
        padding-top: 0.9rem;
        padding-bottom: 0.9rem;
    }

    .hero-headline {
        font-size: 3rem;
    }

    .hero-layout {
        grid-template-columns: 1fr;
    }

    .hero-panel {
        margin-bottom: 0;
    }

    .hero-form-column {
        position: static;
        top: auto;
    }

    .section-copy-large p:first-child {
        max-width: none;
        font-size: 2.6rem;
    }

    .graph-header {
        flex-direction: column;
    }

    .graph-canvas {
        min-height: 420px;
    }

    .graph-node-core {
        left: 28%;
    }

    .step-row {
        grid-template-columns: 1fr;
    }

    .chat-message {
        max-width: 100%;
    }
}

@media (min-width: 992px) {
    .section-block {
        padding: 4rem 0;
    }

    .pain-stack {
        grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
        align-items: start;
    }

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

    .graph-card {
        margin-top: 1.5rem;
    }

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

    .steps-stack {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .step-row {
        grid-template-columns: 1fr;
        gap: 0.9rem;
        min-height: 100%;
    }

    .step-row p {
        margin-top: 0;
    }

    .chat-shell {
        max-width: 760px;
    }
}