/* ===== Design Tokens ===== */
:root {
    --color-bg: #FAF7F2;
    --color-bg-alt: #F0EDE8;
    --color-text: #4A4A5A;
    --color-heading: #1A1A2E;
    --color-accent: #1A6B5C;
    --color-accent-hover: #145549;
    --color-accent-light: rgba(26, 107, 92, 0.08);
    --color-border: #E0DCD6;
    --color-white: #FFFFFF;

    --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 48px;
    --space-xl: 80px;
    --space-2xl: 120px;

    --max-width: 1100px;
    --max-width-narrow: 780px;
    --border-radius: 4px;
}

/* ===== Reset ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 18px;
    font-weight: 400;
    line-height: 1.65;
    color: var(--color-text);
    background-color: var(--color-bg);
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-accent-hover);
}

/* ===== Typography ===== */
h1, h2, h3 {
    font-family: var(--font-serif);
    color: var(--color-heading);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 500;
}

h1 em {
    font-style: italic;
    font-weight: 500;
}

h2 {
    font-size: clamp(28px, 3.5vw, 42px);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

h3 {
    font-size: 22px;
    font-weight: 600;
    font-family: var(--font-sans);
    margin-bottom: var(--space-sm);
}

p {
    margin-bottom: var(--space-md);
}

p:last-child {
    margin-bottom: 0;
}

/* ===== Layout ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container-narrow {
    max-width: var(--max-width-narrow);
}

.section {
    padding: var(--space-2xl) 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-intro {
    font-size: 20px;
    color: var(--color-text);
    max-width: 640px;
    margin-bottom: var(--space-lg);
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-sm) 0;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.nav.scrolled {
    background-color: rgba(250, 247, 242, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 var(--color-border);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-sans);
    font-size: 18px;
    font-weight: 600;
    color: var(--color-heading);
    letter-spacing: -0.01em;
}

.nav-logo:hover {
    color: var(--color-heading);
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
}

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--color-heading);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 6px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-heading);
    transition: transform 0.3s ease;
}

/* ===== Hero ===== */
.hero {
    padding: 180px 0 var(--space-2xl);
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero-headline {
    max-width: 800px;
    margin-bottom: var(--space-lg);
}

.hero-sub {
    font-size: 20px;
    line-height: 1.6;
    max-width: 620px;
    margin-bottom: var(--space-lg);
    color: var(--color-text);
}

.hero-cta {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.hero-credential {
    font-size: 14px;
    color: #8A8A9A;
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 500;
    padding: 14px 32px;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    border: 1px solid var(--color-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-white);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

.btn-secondary:hover {
    background-color: var(--color-accent-light);
    transform: translateY(-1px);
}

.btn-large {
    font-size: 18px;
    padding: 18px 40px;
}

/* ===== Problem Grid ===== */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.problem-card {
    padding: var(--space-lg);
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
}

.problem-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-heading);
}

.problem-card p {
    font-size: 16px;
    line-height: 1.6;
}

.stat-callout {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 500;
    color: var(--color-heading);
    font-style: italic;
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

/* ===== Pricing ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.pricing-card {
    background-color: var(--color-bg-alt);
    padding: var(--space-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
}

.pricing-card-featured {
    border-color: var(--color-accent);
    background-color: var(--color-white);
    box-shadow: 0 4px 24px rgba(26, 107, 92, 0.08);
}

.pricing-label {
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.pricing-card h3 {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.pricing-price {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: 4px;
}

.pricing-price span {
    font-size: 18px;
    font-weight: 400;
    color: var(--color-text);
}

.pricing-term {
    font-size: 14px;
    color: #8A8A9A;
    margin-bottom: var(--space-md);
}

.pricing-card p {
    font-size: 16px;
    margin-bottom: var(--space-md);
}

.pricing-card ul {
    list-style: none;
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}

.pricing-card ul li {
    font-size: 15px;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
    padding-left: 20px;
    position: relative;
}

.pricing-card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-accent);
    opacity: 0.4;
}

.pricing-card .btn {
    width: 100%;
    margin-top: auto;
}

.pricing-context {
    font-size: 15px;
    color: #8A8A9A;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

/* ===== Steps ===== */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.step-number {
    font-family: var(--font-serif);
    font-size: 64px;
    font-weight: 600;
    color: var(--color-accent);
    opacity: 0.15;
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.step h3 {
    font-size: 22px;
    margin-bottom: var(--space-sm);
}

.step p {
    font-size: 16px;
}

/* ===== About / Founders ===== */
.founders-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.founder-card {
    padding: var(--space-lg);
    background-color: var(--color-bg-alt);
    border-radius: var(--border-radius);
}

.founder-card h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 4px;
}

.founder-role {
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-accent);
    margin-bottom: var(--space-md) !important;
}

.founder-card > p:last-child {
    font-size: 16px;
    line-height: 1.65;
}

.founder-photo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: var(--space-md);
}

.photo-placeholder-small {
    aspect-ratio: 1;
    max-width: 160px;
    margin-bottom: var(--space-md);
}

.founders-together {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 500;
    font-style: italic;
    color: var(--color-heading);
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-lg);
    line-height: 1.5;
}

.about-differentiators {
    margin-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.differentiator {
    padding: var(--space-md);
    border-left: 3px solid var(--color-accent);
    background-color: var(--color-bg-alt);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.differentiator h4 {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: var(--space-xs);
}

.differentiator p {
    font-size: 15px;
    margin-bottom: 0;
}

.photo-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    background-color: var(--color-bg-alt);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    border: 1px dashed var(--color-border);
}

.photo-placeholder span {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-heading);
}

.photo-note {
    font-size: 13px !important;
    font-weight: 400 !important;
    color: #8A8A9A !important;
}

/* ===== Proof / Stats ===== */
.proof-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    text-align: center;
}

.proof-stat {
    font-family: var(--font-serif);
    font-size: 56px;
    font-weight: 600;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.proof-item p {
    font-size: 16px;
    margin-bottom: var(--space-xs);
}

.proof-item cite {
    font-size: 13px;
    color: #8A8A9A;
    font-style: normal;
}

/* ===== Fit Section ===== */
.fit-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.fit-card {
    padding: var(--space-lg);
    border-radius: var(--border-radius);
}

.fit-card h3 {
    font-family: var(--font-serif);
    font-size: 22px;
    margin-bottom: var(--space-md);
}

.fit-card ul {
    list-style: none;
}

.fit-card ul li {
    padding: 10px 0;
    padding-left: 24px;
    position: relative;
    font-size: 16px;
    border-bottom: 1px solid var(--color-border);
}

.fit-yes {
    background-color: rgba(26, 107, 92, 0.04);
    border: 1px solid rgba(26, 107, 92, 0.15);
}

.fit-yes li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 600;
}

.fit-no {
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
}

.fit-no li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: #8A8A9A;
}

/* ===== Thinking ===== */
.thinking-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.thinking-card {
    padding: var(--space-lg);
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: border-color 0.2s ease;
}

.thinking-card:hover {
    border-color: var(--color-accent);
}

.thinking-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.thinking-card h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: var(--space-sm);
}

.thinking-card p {
    font-size: 15px;
    color: var(--color-text);
}

.thinking-link {
    font-size: 14px;
    color: #8A8A9A;
    font-style: italic;
}

.thinking-card-link {
    text-decoration: none;
    color: inherit;
    display: flex;
}

.thinking-card-link .thinking-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.thinking-card-link .thinking-card p {
    flex-grow: 1;
}


.thinking-card-link:hover {
    color: inherit;
}

/* ===== Assessment / Quiz ===== */
.assessment-section {
    text-align: center;
}

.assessment-section h2 {
    margin-bottom: var(--space-md);
}

.assessment-section p {
    font-size: 18px;
    margin-bottom: var(--space-md);
}

.assessment-section .btn {
    margin-bottom: var(--space-sm);
}

.assessment-note {
    font-size: 14px;
    color: #8A8A9A;
}

.quiz-container {
    max-width: 640px;
    margin: 0 auto;
}

.quiz-progress {
    height: 4px;
    background-color: var(--color-border);
    border-radius: 2px;
    margin-bottom: var(--space-lg);
    overflow: hidden;
}

.quiz-progress-bar {
    height: 100%;
    background-color: var(--color-accent);
    border-radius: 2px;
    transition: width 0.4s ease;
    width: 0%;
}

.quiz-question {
    font-family: var(--font-serif);
    font-size: clamp(22px, 3vw, 28px);
    font-weight: 500;
    color: var(--color-heading);
    line-height: 1.3;
    margin-bottom: var(--space-lg);
    text-align: center;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.quiz-option {
    padding: var(--space-md) var(--space-lg);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-sans);
    font-size: 16px;
    color: var(--color-heading);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    line-height: 1.5;
}

.quiz-option:hover {
    border-color: var(--color-accent);
    background-color: var(--color-accent-light);
}

.quiz-option.selected {
    border-color: var(--color-accent);
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* Results */
.quiz-results {
    text-align: center;
}

.quiz-score-display {
    margin-bottom: var(--space-lg);
}

.quiz-score-number {
    font-family: var(--font-serif);
    font-size: 72px;
    font-weight: 600;
    color: var(--color-accent);
    line-height: 1;
}

.quiz-score-label {
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-top: var(--space-xs);
}

.quiz-results h2 {
    margin-bottom: var(--space-md);
}

.quiz-results > p {
    font-size: 18px;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-lg);
}

.quiz-breakdown {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    text-align: left;
}

.breakdown-item {
    padding: var(--space-md);
    background-color: var(--color-bg-alt);
    border-radius: var(--border-radius);
}

.breakdown-item h4 {
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #8A8A9A;
    margin-bottom: var(--space-xs);
}

.breakdown-score {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 600;
    line-height: 1;
    margin-bottom: 4px;
}

.breakdown-score.score-high { color: var(--color-accent); }
.breakdown-score.score-mid { color: #B8860B; }
.breakdown-score.score-low { color: #C0392B; }

.breakdown-item p {
    font-size: 13px;
    color: #8A8A9A;
    margin-bottom: 0;
}

.quiz-results .btn {
    margin-bottom: var(--space-sm);
}

@media (max-width: 768px) {
    .quiz-breakdown {
        grid-template-columns: 1fr;
    }

    .quiz-score-number {
        font-size: 56px;
    }
}

/* ===== Final CTA ===== */
.final-cta {
    text-align: center;
}

.final-cta h2 {
    margin-bottom: var(--space-md);
}

.final-cta > p {
    font-size: 18px;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-lg);
}

.final-cta .btn {
    margin-bottom: var(--space-lg);
}

.contact-details {
    font-size: 15px;
    color: #8A8A9A;
}

.contact-details a {
    color: var(--color-accent);
}

/* ===== Footer ===== */
.footer {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 600;
    color: var(--color-heading);
}

.footer-brand p {
    font-size: 14px;
    color: #8A8A9A;
    margin-top: 4px;
}

.footer-legal p {
    font-size: 13px;
    color: #8A8A9A;
    text-align: right;
    margin-bottom: 4px;
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Mobile ===== */
@media (max-width: 768px) {
    body {
        font-size: 16px;
    }

    .section {
        padding: var(--space-xl) 0;
    }

    .hero {
        padding: 140px 0 var(--space-xl);
        min-height: auto;
    }

    .hero-sub {
        font-size: 18px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--color-bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--space-lg);
        z-index: 99;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        font-size: 24px;
    }

    .nav-toggle {
        display: flex;
        z-index: 101;
    }

    .problem-grid,
    .pricing-grid,
    .steps,
    .proof-grid,
    .fit-grid,
    .thinking-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-inner {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .footer-legal p {
        text-align: center;
    }

    .step-number {
        font-size: 48px;
    }

    .proof-stat {
        font-size: 44px;
    }

    .pricing-price {
        font-size: 28px;
    }
}