/* === Variables === */
:root {
    --blue: #20A1DB;
    --blue-dark: #1889BA;
    --blue-pale: #E8F4FA;
    --blue-glow: rgba(32, 161, 219, 0.08);
    --navy: #0F1D2F;
    --navy-mid: #1B2A3D;
    --navy-light: #2A3F58;
    --slate: #3D4F63;
    --text: #2D3748;
    --text-mid: #5A6577;
    --text-light: #8694A7;
    --cream: #FAF9F6;
    --warm: #F3F1EC;
    --border: #E2DFD9;
    --white: #FFFFFF;
    --font-display: 'Bitter', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, sans-serif;
}

/* === Reset === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { 
    font-size: 16px; 
    scroll-behavior: smooth; 
    -webkit-font-smoothing: antialiased; 
}
body { 
    font-family: var(--font-body); 
    color: var(--text); 
    background: var(--cream); 
    line-height: 1.65; 
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
strong { font-weight: 600; }

/* === Layout === */
.container { max-width: 1020px; margin: 0 auto; padding: 0 32px; }
.container-narrow { max-width: 680px; margin: 0 auto; padding: 0 32px; }
.container-wide { max-width: 1120px; margin: 0 auto; padding: 0 32px; }

/* === Header === */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}

.site-header .container-wide {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-group {
    display: flex;
    align-items: baseline;
    gap: 5px;
}

.logo-wordmark { height: 24px; width: auto; }

.logo-press {
    font-family: var(--font-body);
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--text-mid);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    position: relative;
    top: -2px;
}

.nav-cta {
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--blue);
    letter-spacing: 0.03em;
    padding: 8px 18px;
    border: 1.5px solid var(--blue);
    border-radius: 3px;
    transition: all 0.2s ease;
}

.nav-cta:hover {
    background: var(--blue);
    color: var(--white);
}

/* === Hero === */
.hero {
    padding: 140px 0 80px;
    background: var(--navy);
    position: relative;
    overflow: hidden;
}

/* Subtle dot pattern overlay */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(32, 161, 219, 0.07) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-eyebrow {
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 24px;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: 2.85rem;
    font-weight: 800;
    line-height: 1.12;
    color: var(--white);
    margin-bottom: 28px;
    letter-spacing: -0.02em;
}

.hero-lead {
    font-size: 1.05rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
}

.hero-lead strong {
    color: var(--white);
    font-weight: 600;
}

.hero-lead:last-of-type {
    margin-bottom: 36px;
}

.btn-primary {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--white);
    background: var(--blue);
    padding: 14px 32px;
    border-radius: 3px;
    letter-spacing: 0.02em;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background: var(--blue-dark);
    transform: translateY(-1px);
}

/* === Book Images === */
.hero-book,
.companion-book {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.book-image {
    width: 280px;
    height: auto;
    border-radius: 4px;
    box-shadow: 
        8px 8px 24px rgba(0, 0, 0, 0.3),
        2px 2px 6px rgba(0, 0, 0, 0.15);
}

.book-image-sm {
    width: 220px;
}

.book-disclaimer {
    font-family: var(--font-body);
    font-size: 0.68rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.02em;
}

.companion-book .book-disclaimer {
    color: var(--text-light);
}

/* === Problem Section === */
.problem {
    padding: 80px 0 72px;
    background: var(--cream);
}

.pull-quote {
    font-family: var(--font-display);
    font-size: 1.65rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--navy);
    margin-bottom: 32px;
    position: relative;
    padding-left: 24px;
    border-left: 3px solid var(--blue);
}

.pull-fade {
    color: var(--text-light);
}

.problem p {
    font-size: 1.02rem;
    line-height: 1.75;
    color: var(--text);
    margin-bottom: 20px;
}

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

/* === What It Is === */
.what-it-is {
    padding: 80px 0;
    background: var(--white);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-label {
    font-family: var(--font-body);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 16px;
}

.what-it-is h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--navy);
    margin-bottom: 48px;
    letter-spacing: -0.01em;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 48px;
}

.feature {
    padding: 28px 24px;
    background: var(--cream);
    border-radius: 4px;
    border: 1px solid var(--border);
}

.feature-num {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--blue);
    line-height: 1;
    margin-bottom: 12px;
}

.feature-text {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text);
}

.feature-text strong {
    color: var(--navy);
}

.what-detail {
    max-width: 640px;
}

.what-detail p {
    font-size: 1.02rem;
    line-height: 1.75;
    color: var(--text);
    margin-bottom: 16px;
}

.what-detail p:last-child {
    margin-bottom: 0;
}

/* === Companion Section === */
.companion {
    padding: 80px 0;
    background: var(--warm);
    border-bottom: 1px solid var(--border);
}

.companion-layout {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 56px;
    align-items: center;
}

.companion-text h2 {
    font-family: var(--font-display);
    font-size: 1.85rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--navy);
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

.companion-text p {
    font-size: 1.02rem;
    line-height: 1.75;
    color: var(--text);
    margin-bottom: 16px;
}

.companion-text p:last-child {
    margin-bottom: 0;
}

.companion-book {
    display: flex;
    justify-content: center;
}

/* === Differentiator === */
.different {
    padding: 72px 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
}

.different h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 36px;
    text-align: center;
}

.diff-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.diff-item {
    padding: 28px 24px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--cream);
}

.diff-item-ours {
    background: var(--navy);
    border-color: var(--navy);
}

.diff-vs {
    font-family: var(--font-body);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 12px;
}

.diff-vs-ours {
    color: var(--blue);
}

.diff-item p {
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--text);
}

.diff-item-ours p {
    color: rgba(255,255,255,0.82);
}

/* === Signup === */
.signup {
    padding: 88px 0 96px;
    background: var(--cream);
}

.signup-inner {
    text-align: center;
}

.signup h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--navy);
    margin-bottom: 16px;
}

.signup-desc {
    font-size: 1.02rem;
    color: var(--text-mid);
    line-height: 1.65;
    max-width: 480px;
    margin: 0 auto 36px;
}

.signup-form {
    max-width: 560px;
    margin: 0 auto;
}

.form-row-inline {
    display: grid;
    grid-template-columns: 1fr 1.3fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
}

.form-row-inline input,
.form-row-inline select {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text);
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 13px 16px;
    transition: border-color 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
}

.form-row-inline input::placeholder,
.form-row-inline select {
    color: var(--text-light);
}

.form-row-inline input:focus,
.form-row-inline select:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px var(--blue-glow);
}

.form-row-inline select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238694A7' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
    cursor: pointer;
}

.btn-signup {
    display: block;
    width: 100%;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
    background: var(--blue);
    border: none;
    border-radius: 3px;
    padding: 14px 24px;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.02em;
}

.btn-signup:hover { background: var(--blue-dark); }
.btn-signup:active { transform: scale(0.99); }
.btn-signup:disabled { opacity: 0.7; cursor: not-allowed; }

.form-fine {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 14px;
}

/* Success */
.signup-success { 
    padding: 20px 0; 
}

.success-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--blue-pale);
    color: var(--blue);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.signup-success p {
    font-size: 1.05rem;
    color: var(--text);
    line-height: 1.6;
}

/* === Footer === */
.site-footer {
    padding: 28px 0;
    border-top: 1px solid var(--border);
    background: var(--white);
}

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

.footer-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-icon { height: 20px; width: auto; }

.footer-left span {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--navy-mid);
}

.footer-right {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* === Responsive === */
@media (max-width: 900px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    .hero h1 { font-size: 2.3rem; }
    .hero h1 br { display: none; }
    .hero-lead { text-align: left; }
    .hero-book { order: -1; }
    .book-image { width: 220px; }
    .book-image-sm { width: 180px; }
    .features-grid { grid-template-columns: 1fr; }
    .companion-layout { 
        grid-template-columns: 1fr; 
        gap: 40px; 
    }
    .companion-book { order: -1; }
    .diff-grid { grid-template-columns: 1fr; }
    .form-row-inline { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .hero { padding: 110px 0 60px; }
    .hero h1 { font-size: 1.9rem; }
    .hero-lead { font-size: 0.95rem; }
    .what-it-is h2,
    .companion-text h2 { font-size: 1.5rem; }
    .what-it-is h2 br,
    .companion-text h2 br { display: none; }
    .pull-quote { font-size: 1.3rem; }
    .signup h2 { font-size: 1.6rem; }
    .signup h2 br { display: none; }
    .nav-cta { display: none; }
}