* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #1a1a1a;
    background: #fff;
    line-height: 1.6;
}

/* NAV */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    border-bottom: 1px solid #eee;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1a1a1a;
    text-decoration: none;
}

.btn-nav {
    background: #1a1a1a;
    color: #fff;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

/* BUTTONS */
.btn-primary {
    display: inline-block;
    background: #2563eb;
    color: #fff;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: #1d4ed8;
}

/* HERO */
.hero {
    text-align: center;
    padding: 100px 40px 80px;
    max-width: 700px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero .subtitle {
    font-size: 1.2rem;
    color: #555;
    margin-bottom: 36px;
}

/* STORY */
.story {
    background: #f8f9fa;
    padding: 80px 40px;
    max-width: 720px;
    margin: 0 auto;
    border-radius: 16px;
    margin-bottom: 80px;
}

.story h2 {
    font-size: 1.8rem;
    margin-bottom: 24px;
}

.story p {
    color: #444;
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.signature {
    font-style: italic;
    color: #666;
    margin-top: 24px;
}

/* PERFORMANCE */
.performance {
    text-align: center;
    padding: 80px 40px;
    max-width: 900px;
    margin: 0 auto;
}

.performance h2 {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.perf-subtitle {
    color: #555;
    margin-bottom: 48px;
    font-size: 1.05rem;
}

.perf-cards {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.perf-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 28px 36px;
    border-radius: 12px;
    min-width: 140px;
}

.perf-up {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
}

.perf-down {
    background: #fff1f2;
    border: 1px solid #fecdd3;
}

.perf-current {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
}

.perf-current .perf-ticker {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.perf-current .perf-label {
    color: #3b82f6;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.perf-ticker {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.perf-change {
    font-size: 1.8rem;
    font-weight: 800;
}

.perf-up .perf-change {
    color: #16a34a;
}

.perf-down .perf-change {
    color: #dc2626;
}

.perf-label {
    font-size: 0.8rem;
    color: #888;
    margin-top: 6px;
}

/* FEATURES */
.features {
    text-align: center;
    padding: 80px 40px;
    background: #f8f9fa;
}

.features h2 {
    font-size: 1.8rem;
    margin-bottom: 48px;
}

.feature-grid {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
}

.feature-item {
    flex: 1;
    min-width: 180px;
    max-width: 220px;
    text-align: left;
}

.feature-icon {
    font-size: 1.6rem;
    display: block;
    margin-bottom: 12px;
}

.feature-item h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-item p {
    color: #555;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* SAMPLE REPORT */
.sample {
    text-align: center;
    padding: 80px 40px;
    max-width: 720px;
    margin: 0 auto;
}

.sample h2 {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.sample-subtitle {
    color: #555;
    margin-bottom: 40px;
    font-size: 1.05rem;
}

.sample-email {
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    overflow: hidden;
    text-align: left;
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.sample-header {
    background: #f3f4f6;
    padding: 16px 24px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sample-from {
    font-weight: 700;
    font-size: 0.9rem;
    color: #1a1a1a;
}

.sample-subject {
    font-size: 0.95rem;
    color: #444;
}

.sample-body {
    padding: 28px 32px;
    background: #fff;
}

.sample-body p {
    color: #333;
    font-size: 0.95rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

.sample-greeting {
    color: #666 !important;
    font-size: 0.85rem !important;
    margin-bottom: 24px !important;
}

.sample-footer {
    color: #888 !important;
    font-style: italic;
    margin-top: 8px;
    border-top: 1px solid #eee;
    padding-top: 16px;
}

/* FOUNDER */
.founder {
    text-align: center;
    padding: 60px 40px;
    max-width: 600px;
    margin: 0 auto;
}

.founder p {
    font-size: 1.1rem;
    color: #444;
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 12px;
}

/* HOW IT WORKS */
.how {
    text-align: center;
    padding: 80px 40px;
    max-width: 900px;
    margin: 0 auto;
}

.how h2 {
    font-size: 1.8rem;
    margin-bottom: 48px;
}

.steps {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 220px;
    max-width: 260px;
    text-align: left;
}

.step-num {
    display: inline-block;
    background: #2563eb;
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    text-align: center;
    line-height: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.step h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.step p {
    color: #555;
    font-size: 0.95rem;
}

/* CTA */
.cta {
    text-align: center;
    padding: 80px 40px;
    background: #1a1a1a;
    color: #fff;
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 28px;
}

/* SIGNUP FORM */
.form-page {
    max-width: 560px;
    margin: 60px auto;
    padding: 0 40px;
}

.form-page h1 {
    font-size: 2rem;
    margin-bottom: 8px;
}

.form-page .subtitle {
    color: #666;
    margin-bottom: 40px;
}

.field {
    margin-bottom: 24px;
}

.field label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.field input,
.field select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: border 0.2s;
}

.field input:focus,
.field select:focus {
    border-color: #2563eb;
}

.field small {
    display: block;
    color: #888;
    font-size: 0.85rem;
    margin-top: 6px;
}

.optional {
    font-weight: 400;
    color: #999;
}

.error {
    background: #fee2e2;
    color: #b91c1c;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 0.95rem;
}

/* CONFIRMED */
.confirmed {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 70vh;
    padding: 40px;
}

.confirmed-box {
    text-align: center;
    max-width: 500px;
}

.check {
    display: inline-block;
    background: #22c55e;
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 1.8rem;
    line-height: 60px;
    margin-bottom: 24px;
}

.confirmed-box h1 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.confirmed-box p {
    color: #555;
    margin-bottom: 16px;
}

.confirmed-box .btn-primary {
    margin-top: 16px;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 40px;
    color: #999;
    font-size: 0.85rem;
    border-top: 1px solid #eee;
    margin-top: 80px;
}