:root {
    --ink: #17211b;
    --muted: #6c766f;
    --line: #d8dfda;
    --paper: #fffefb;
    --canvas: #eef1ec;
    --forest: #173f32;
    --forest-deep: #102e25;
    --forest-soft: #e2ece6;
    --gold: #d7a83e;
    --gold-soft: #f6edda;
    --red: #c33c34;
    --shadow: 0 24px 70px rgba(27, 45, 35, 0.1);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-width: 320px;
    color: var(--ink);
    background:
        radial-gradient(circle at 84% 3%, rgba(215, 168, 62, 0.11), transparent 26%),
        linear-gradient(rgba(23, 63, 50, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23, 63, 50, 0.035) 1px, transparent 1px),
        var(--canvas);
    background-size: auto, 28px 28px, 28px 28px, auto;
    font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

button,
input {
    font: inherit;
}

.expectation-shell {
    width: min(1240px, calc(100% - 48px));
    margin: 0 auto;
    padding: 58px 0 34px;
}

.expectation-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 330px;
    align-items: end;
    gap: 58px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 22px;
    padding: 10px 14px;
    color: var(--forest);
    background: var(--forest-soft);
    border: 1px solid #c9d9cf;
    border-radius: 4px 4px 12px 4px;
    font-size: 12px;
    font-weight: 750;
    text-decoration: none;
}

.back-link:hover {
    color: white;
    background: var(--forest);
    border-color: var(--forest);
}

.back-link span {
    font-size: 17px;
    line-height: 1;
}

.eyebrow,
.section-kicker {
    margin: 0 0 10px;
    color: var(--forest);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.16em;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 800px;
    margin-bottom: 14px;
    font-family: Georgia, "Songti SC", serif;
    font-size: clamp(44px, 6vw, 74px);
    font-weight: 500;
    letter-spacing: -0.045em;
    line-height: 0.98;
}

.subtitle {
    max-width: 680px;
    margin-bottom: 0;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.7;
}

.company-field {
    display: grid;
    grid-template-columns: auto minmax(220px, 380px);
    align-items: center;
    gap: 14px;
    width: fit-content;
    margin-top: 24px;
    color: var(--forest);
    font-size: 12px;
    font-weight: 750;
    letter-spacing: 0.06em;
}

.company-field > span small {
    display: block;
    margin-top: 3px;
    color: var(--muted);
    font-size: 9px;
    font-weight: 500;
    letter-spacing: normal;
}

.company-field input {
    width: 100%;
    padding: 11px 13px;
    color: var(--ink);
    background: rgba(255, 254, 251, 0.8);
    border: 1px solid #cfd7d1;
    border-radius: 4px;
    outline: none;
}

.company-field input[readonly] {
    color: var(--forest);
    background: var(--forest-soft);
}

.company-field input:focus {
    background: white;
    border-color: var(--forest);
    box-shadow: 0 0 0 3px rgba(23, 63, 50, 0.1);
}

.save-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
}

.save-bar i {
    width: 7px;
    height: 7px;
    background: var(--forest);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(23, 63, 50, 0.1);
}

#save-status {
    color: var(--muted);
    font-size: 11px;
}

#save-status.is-dirty {
    color: #a36a17;
}

#save-status.is-saved {
    color: var(--forest);
}

#save-status.is-error {
    color: var(--red);
}

.model-thesis {
    position: relative;
    overflow: hidden;
    padding: 28px 28px 30px;
    color: white;
    background: var(--forest-deep);
    border-radius: 6px 6px 28px 6px;
    box-shadow: var(--shadow);
}

.model-thesis::after {
    position: absolute;
    right: -42px;
    bottom: -52px;
    width: 150px;
    height: 150px;
    border: 28px solid rgba(215, 168, 62, 0.16);
    border-radius: 50%;
    content: "";
}

.model-thesis span {
    color: var(--gold);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.model-thesis strong {
    display: block;
    margin: 18px 0 10px;
    font-family: Georgia, "Songti SC", serif;
    font-size: 25px;
    font-weight: 500;
}

.model-thesis p {
    position: relative;
    z-index: 1;
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.67);
    font-size: 12px;
    line-height: 1.8;
}

.assumption-card,
.result-card,
.formula-card,
.cagr-tool-card {
    margin-top: 44px;
    overflow: hidden;
    background: var(--paper);
    border: 1px solid rgba(23, 33, 27, 0.08);
    border-radius: 6px 6px 28px 6px;
    box-shadow: var(--shadow);
}

.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
    padding: 28px 32px 24px;
    border-bottom: 1px solid var(--line);
}

.section-heading h2 {
    margin-bottom: 0;
    font-family: Georgia, "Songti SC", serif;
    font-size: 28px;
    font-weight: 500;
}

.section-heading > p {
    max-width: 500px;
    margin-bottom: 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.7;
    text-align: right;
}

.assumption-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1px;
    background: var(--line);
}

.assumption-field {
    display: grid;
    grid-column: span 2;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 15px 13px;
    min-height: 170px;
    padding: 22px;
    background: var(--paper);
}

.assumption-field:nth-child(4),
.assumption-field:nth-child(5) {
    grid-column: span 3;
}

.assumption-field.featured {
    background: #f5f8f4;
}

.field-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 31px;
    height: 31px;
    color: var(--forest);
    background: var(--gold-soft);
    border-radius: 3px 3px 9px 3px;
    font-family: Georgia, serif;
    font-size: 13px;
    font-weight: 700;
}

.field-copy {
    align-self: center;
}

.field-copy strong,
.field-copy small {
    display: block;
}

.field-copy strong {
    margin-bottom: 4px;
    font-size: 14px;
}

.field-copy small {
    color: var(--muted);
    font-size: 10px;
    font-weight: 400;
}

.model-input {
    grid-column: 1 / -1;
    width: 100%;
    min-width: 0;
    padding: 13px 11px;
    color: var(--ink);
    background: #f8faf7;
    border: 1px solid #d5ddd7;
    border-radius: 4px;
    outline: none;
    text-align: center;
    transition: border-color 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

.model-input::placeholder {
    color: #aeb6b0;
    font-size: 11px;
}

.model-input:focus {
    background: white;
    border-color: var(--forest);
    box-shadow: 0 0 0 3px rgba(23, 63, 50, 0.1);
}

.model-input.is-invalid {
    border-color: var(--red);
    box-shadow: 0 0 0 3px rgba(195, 60, 52, 0.1);
}

.field-error {
    grid-column: 1 / -1;
    margin-top: -7px;
    color: var(--red);
    font-size: 10px;
    line-height: 1.5;
}

.field-error[hidden] {
    display: none;
}

.input-with-unit {
    display: block;
    position: relative;
    grid-column: 1 / -1;
}

.input-with-unit .model-input {
    padding-right: 34px;
}

.input-with-unit i {
    position: absolute;
    top: 50%;
    right: 12px;
    color: var(--muted);
    font-size: 12px;
    font-style: normal;
    transform: translateY(-50%);
    pointer-events: none;
}

.result-card {
    color: white;
    background: var(--forest-deep);
}

.result-heading {
    border-bottom-color: rgba(255, 255, 255, 0.12);
}

.result-heading .section-kicker {
    color: var(--gold);
}

.result-heading h2 {
    color: white;
}

.result-heading > p {
    color: rgba(255, 255, 255, 0.58);
}

.result-heading > p.is-ready {
    color: var(--gold);
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.result-item {
    min-width: 0;
    min-height: 218px;
    padding: 26px 28px 30px;
    border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.result-item:last-child {
    border-right: 0;
}

.result-item > span {
    color: rgba(255, 255, 255, 0.46);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.15em;
}

.result-item p {
    margin: 23px 0 8px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 13px;
}

.result-item p b {
    font-weight: 500;
}

.result-item strong {
    display: block;
    min-height: 56px;
    color: white;
    font-family: Georgia, "Songti SC", serif;
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 500;
    line-height: 1.15;
    word-break: break-word;
}

.result-item strong[data-empty="true"] {
    color: rgba(255, 255, 255, 0.14);
}

.result-item small {
    display: block;
    margin-top: 14px;
    color: rgba(255, 255, 255, 0.45);
    font-size: 10px;
    line-height: 1.6;
}

.primary-result {
    position: relative;
    overflow: hidden;
    background: #1d493a;
}

.primary-result::after {
    position: absolute;
    right: -50px;
    bottom: -75px;
    width: 190px;
    height: 190px;
    border: 34px solid rgba(215, 168, 62, 0.12);
    border-radius: 50%;
    content: "";
}

.primary-result > span,
.primary-result strong {
    position: relative;
    z-index: 1;
    color: var(--gold);
}

.formula-flow {
    margin: 0;
    padding: 0;
    list-style: none;
}

.formula-flow li {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr);
    align-items: center;
    min-height: 130px;
    border-bottom: 1px solid var(--line);
}

.formula-flow li:last-child {
    border-bottom: 0;
}

.formula-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: stretch;
    color: var(--forest);
    background: var(--forest-soft);
    font-family: Georgia, serif;
    font-size: 19px;
}

.formula-flow li > div {
    padding: 24px 30px;
}

.formula-flow h3 {
    margin-bottom: 12px;
    font-size: 15px;
}

.formula-flow p {
    margin-bottom: 0;
    color: var(--forest);
    font-family: Georgia, "Songti SC", serif;
    font-size: clamp(16px, 2vw, 21px);
    line-height: 1.7;
}

.formula-flow sup {
    font-size: 0.62em;
}

.cagr-tool-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    min-height: 250px;
}

.cagr-input-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--line);
    border-right: 1px solid var(--line);
}

.cagr-field {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-content: center;
    gap: 15px 13px;
    padding: 26px 22px;
    background: var(--paper);
}

.cagr-field:nth-child(2) {
    background: #f5f8f4;
}

.cagr-result-panel {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 34px;
    color: white;
    background: var(--forest);
}

.cagr-result-panel::after {
    position: absolute;
    right: -64px;
    bottom: -84px;
    width: 200px;
    height: 200px;
    border: 36px solid rgba(215, 168, 62, 0.13);
    border-radius: 50%;
    content: "";
}

.cagr-result-panel p,
.cagr-result-panel span,
.cagr-result-panel strong,
.cagr-result-panel small {
    position: relative;
    z-index: 1;
}

.cagr-result-panel p {
    margin-bottom: 25px;
    color: var(--gold);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.cagr-result-panel span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
}

.cagr-result-panel strong {
    display: block;
    min-height: 61px;
    margin: 8px 0 16px;
    color: var(--gold);
    font-family: Georgia, "Songti SC", serif;
    font-size: clamp(38px, 4vw, 52px);
    font-weight: 500;
    line-height: 1.15;
}

.cagr-result-panel strong[data-empty="true"] {
    color: rgba(255, 255, 255, 0.15);
}

.cagr-result-panel small {
    color: rgba(255, 255, 255, 0.48);
    font-family: Georgia, "Songti SC", serif;
    font-size: 12px;
}

.expectation-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 22px 4px 0;
    color: #7c8780;
    font-size: 10px;
    letter-spacing: 0.08em;
}

@media (max-width: 960px) {
    .expectation-header {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .model-thesis {
        max-width: 580px;
    }

    .assumption-field {
        grid-column: span 3;
    }

    .assumption-field:nth-child(5) {
        grid-column: span 6;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .section-heading > p {
        text-align: left;
    }

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

    .cagr-input-grid {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }
}

@media (max-width: 680px) {
    .expectation-shell {
        width: min(100% - 24px, 1240px);
        padding-top: 30px;
    }

    .company-field {
        grid-template-columns: 1fr;
        width: 100%;
        gap: 8px;
    }

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

    .assumption-field,
    .assumption-field:nth-child(4),
    .assumption-field:nth-child(5) {
        grid-column: auto;
    }

    .section-heading {
        padding: 24px 20px 21px;
    }

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

    .result-item {
        min-height: 180px;
        border-right: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }

    .result-item:last-child {
        border-bottom: 0;
    }

    .formula-flow li {
        grid-template-columns: 54px minmax(0, 1fr);
    }

    .formula-flow li > div {
        padding: 22px 18px;
    }

    .cagr-input-grid {
        grid-template-columns: 1fr;
    }

    .cagr-field {
        min-height: 170px;
    }

    .cagr-result-panel {
        min-height: 230px;
        padding: 28px;
    }

    .expectation-footer {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}