/* ============================================================
   MODULUSIQ MARKETING — Landing page styles
   Built on tokens.css (ModulusOS warm taupe palette)
   ============================================================ */

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

html, body {
    height: auto;
    overflow-x: hidden;
    font-family: var(--font-family);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height);
    color: var(--color-text-primary);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

body { scroll-behavior: smooth; }
html { scroll-behavior: smooth; }

a { color: var(--color-accent); text-decoration: none; transition: color var(--transition-normal); }
a:hover { color: var(--color-accent-hover); }
.accent { color: var(--color-accent); }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border-strong); border-radius: var(--radius-pill); }

/* ── Section frames ────────────────────────────────────── */
.section-inner { max-width: 1180px; margin: 0 auto; padding: 0 var(--space-xl); }
.section-head  { max-width: 760px; margin: 0 auto var(--space-3xl); text-align: center; }

h1, h2, h3 { font-weight: var(--font-weight-black); letter-spacing: -0.01em; line-height: 1.15; color: var(--color-text-primary); }
h1 { font-size: clamp(40px, 6vw, 72px); }
h2 { font-size: clamp(30px, 4vw, 48px); margin-bottom: var(--space-lg); }
h3 { font-size: var(--font-size-title); }

p  { color: var(--color-text-secondary); }

/* ── Buttons ───────────────────────────────────────────── */
.btn-accent, .btn-ghost {
    display: inline-flex; align-items: center; justify-content: center; gap: var(--space-sm);
    padding: 11px 22px;
    font-family: var(--font-family);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-semi);
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    border: 1px solid transparent;
    white-space: nowrap;
}
.btn-accent {
    background: var(--color-accent);
    color: var(--color-text-inverse);
    border-color: var(--color-accent);
}
.btn-accent:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-text-inverse);
    box-shadow: 0 0 0 4px var(--color-accent-ring);
    transform: translateY(-1px);
}
.btn-ghost {
    background: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-border-strong);
}
.btn-ghost:hover {
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
    background: var(--color-panel);
}
.btn-lg { padding: 14px 30px; font-size: 16px; }

/* ── Nav ───────────────────────────────────────────────── */
.nav {
    position: sticky; top: 0; z-index: var(--z-modal);
    background: rgba(246, 244, 241, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
}
.nav-inner {
    max-width: 1180px; margin: 0 auto;
    padding: 14px var(--space-xl);
    display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-img { height: 30px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: var(--space-xl); }
.nav-links a {
    color: var(--color-text-secondary);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semi);
}
.nav-links a:hover { color: var(--color-text-primary); }
.nav-links .btn-accent {
    padding: 8px 16px;
    font-size: var(--font-size-small);
    color: var(--color-text-inverse);
}
.nav-links .btn-accent:hover { color: var(--color-text-inverse); }

/* ── Hero ──────────────────────────────────────────────── */
.hero {
    background: var(--color-hero-bg);
    color: var(--color-hero-text);
    padding: var(--space-4xl) 0 var(--space-4xl);
    border-bottom: 1px solid var(--color-hero-border);
    position: relative;
    overflow: hidden;
}
/* Plan-grid substrate — fine architectural grid as the base layer */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(246, 244, 241, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(246, 244, 241, 0.035) 1px, transparent 1px),
        linear-gradient(rgba(246, 244, 241, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(246, 244, 241, 0.06) 1px, transparent 1px);
    background-size: 16px 16px, 16px 16px, 96px 96px, 96px 96px;
    background-position: 0 0, 0 0, 0 0, 0 0;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 90%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 90%);
    pointer-events: none;
    z-index: 0;
}

/* Soft accent glow + plan-element shapes (low contrast geometric overlay) */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 85% 15%, rgba(179, 69, 25, 0.10) 0%, transparent 35%),
        radial-gradient(circle at 12% 88%, rgba(179, 69, 25, 0.05) 0%, transparent 30%),
        url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1600 900' preserveAspectRatio='xMidYMid slice'>\
<g fill='none' stroke='%23f6f4f1' stroke-width='1' opacity='0.07'>\
<rect x='120' y='180' width='340' height='220'/>\
<rect x='160' y='220' width='80' height='140'/>\
<rect x='280' y='220' width='140' height='100'/>\
<line x1='120' y1='180' x2='460' y2='180'/>\
<line x1='460' y1='400' x2='620' y2='400'/>\
<rect x='1080' y='540' width='420' height='280'/>\
<rect x='1120' y='580' width='160' height='200'/>\
<rect x='1320' y='580' width='140' height='100'/>\
<line x1='1500' y1='540' x2='1500' y2='820'/>\
<rect x='760' y='80' width='200' height='140'/>\
<line x1='760' y1='150' x2='960' y2='150'/>\
<circle cx='860' cy='150' r='28'/>\
</g>\
<g fill='none' stroke='%23b34519' stroke-width='1' opacity='0.10'>\
<line x1='460' y1='180' x2='560' y2='180'/>\
<line x1='1080' y1='680' x2='1180' y2='680'/>\
</g>\
</svg>");
    background-size: cover, cover, cover;
    background-position: center;
    background-repeat: no-repeat;
    pointer-events: none;
    z-index: 0;
}
.hero-inner {
    max-width: 1180px; margin: 0 auto;
    padding: 0 var(--space-xl);
    text-align: center;
    position: relative; z-index: 1;
}
.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    margin-bottom: var(--space-xl);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semi);
    color: var(--color-hero-text-secondary);
    background: var(--color-hero-panel);
    border: 1px solid var(--color-hero-border);
    border-radius: var(--radius-pill);
}
.hero h1 {
    color: var(--color-hero-text);
    margin-bottom: var(--space-xl);
    max-width: 980px; margin-left: auto; margin-right: auto;
}
.hero-sub {
    max-width: 720px; margin: 0 auto var(--space-xxl);
    font-size: 18px;
    color: var(--color-hero-text-secondary);
    line-height: 1.55;
}
.hero-cta {
    display: flex; gap: var(--space-md);
    justify-content: center; align-items: center;
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}
.hero .btn-ghost {
    color: var(--color-hero-text);
    border-color: var(--color-hero-border);
    background: transparent;
}
.hero .btn-ghost:hover {
    background: var(--color-hero-panel);
    color: var(--color-hero-text);
    border-color: var(--color-hero-text-secondary);
}
/* ── Products ──────────────────────────────────────────── */
.products { padding: var(--space-4xl) 0; }
.product-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}
.product-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xxl);
    display: flex; flex-direction: column;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}
.product-card:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.product-card-head { margin-bottom: var(--space-lg); }
.product-eyebrow {
    font-size: var(--font-size-micro);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-sm);
}
.product-eyebrow-live { color: var(--color-success); }
.product-category {
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xxs);
}
.product-mark {
    font-size: 30px;
    font-weight: var(--font-weight-black);
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
}
.product-mark-suffix { margin-left: 2px; }
.product-headline {
    font-size: 22px;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    line-height: 1.25;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-md);
}
.product-pitch {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    font-size: var(--font-size-body);
    line-height: 1.55;
}
.product-pitch + .product-pitch { margin-top: 0; }
.product-kicker {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-semi);
    font-size: var(--font-size-body);
    line-height: 1.55;
    margin-bottom: var(--space-xl);
    flex: 1;
}
.product-cta {
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}
.product-cta .btn-accent { padding: 9px 18px; font-size: var(--font-size-small); }

/* ── Thesis ────────────────────────────────────────────── */
.thesis {
    padding: var(--space-4xl) 0;
    background: var(--color-panel);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}
.thesis-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}
.thesis-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-xxl);
}
.thesis-num {
    font-size: 13px;
    font-weight: var(--font-weight-black);
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    letter-spacing: 0.08em;
}
.thesis-card h3 {
    font-size: 18px;
    margin-bottom: var(--space-md);
    line-height: 1.3;
}
.thesis-card p {
    font-size: var(--font-size-small);
    line-height: 1.6;
}
.thesis-card p + p {
    margin-top: var(--space-md);
    font-weight: var(--font-weight-semi);
    color: var(--color-text-primary);
}

/* ── Origin (founder section) ──────────────────────────── */
.origin {
    padding: var(--space-4xl) 0;
    background: var(--color-panel);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}
.origin-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto var(--space-3xl);
}
.origin-head h2 { margin-top: var(--space-md); }
.origin-grid {
    display: grid;
    grid-template-columns: 1.1fr 1.2fr 1.1fr;
    gap: var(--space-xxl);
    align-items: center;
}
.origin-photo img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center top;
}
.origin-text p {
    font-size: 17px;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: 0;
}
.origin-text strong { color: var(--color-text-primary); font-weight: var(--font-weight-bold); }
.origin-kicker {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    text-align: center;
    margin-top: var(--space-3xl);
    padding-top: var(--space-xl);
    border-top: 2px solid var(--color-accent);
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    letter-spacing: -0.01em;
}

.audience-eyebrow {
    font-size: var(--font-size-micro);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
    display: inline-block;
}

.origin-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xxl);
    box-shadow: var(--shadow-md);
}
.origin-card-head {
    font-size: var(--font-size-micro);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
}
.origin-card-body {
    font-size: var(--font-size-body);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}
.origin-card-body em {
    font-style: italic;
    color: var(--color-accent);
    font-weight: var(--font-weight-bold);
}
.origin-card-body > strong:only-child {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-bold);
}
.origin-card-body-quiet {
    color: var(--color-text-secondary) !important;
    font-size: var(--font-size-small) !important;
    border-top: 1px dashed var(--color-border);
    padding-top: var(--space-md);
    margin-top: var(--space-md);
    margin-bottom: 0 !important;
}

/* ── How it works ──────────────────────────────────────── */
.how { padding: var(--space-4xl) 0; }
.how-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    gap: var(--space-md);
    align-items: stretch;
}
.how-step {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}
.how-num {
    font-size: 13px;
    font-weight: var(--font-weight-black);
    color: var(--color-accent);
    letter-spacing: 0.08em;
    margin-bottom: var(--space-md);
}
.how-step h3 {
    font-size: var(--font-size-heading);
    margin-bottom: var(--space-sm);
}
.how-step p { font-size: var(--font-size-small); line-height: 1.55; }
.how-arrow {
    display: flex; align-items: center; justify-content: center;
    color: var(--color-accent);
    font-size: 24px;
    font-weight: var(--font-weight-black);
}

/* ── Signup (stay in the loop) ─────────────────────────── */
.signup {
    padding: var(--space-4xl) 0;
    background: var(--color-hero-bg);
    color: var(--color-hero-text);
}
.signup-inner {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
    padding: 0 var(--space-xl);
}
.signup h2 {
    font-size: clamp(26px, 3vw, 36px);
    color: var(--color-hero-text);
    margin-bottom: var(--space-md);
}
.signup-sub {
    font-size: var(--font-size-body);
    color: var(--color-hero-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.55;
}
.signup-form {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--space-md);
}
.signup-form input {
    flex: 1;
    min-width: 240px;
    padding: 12px 16px;
    font-family: var(--font-family);
    font-size: var(--font-size-body);
    background: var(--color-hero-panel);
    color: var(--color-hero-text);
    border: 1px solid var(--color-hero-border);
    border-radius: var(--radius-pill);
    outline: none;
    transition: all var(--transition-normal);
}
.signup-form input::placeholder { color: var(--color-hero-text-secondary); }
.signup-form input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-ring);
}
.signup-form .btn-accent { padding: 12px 22px; }
.signup-result {
    color: var(--color-success);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semi);
    min-height: 20px;
    margin-bottom: var(--space-md);
}
.signup-aside {
    font-size: var(--font-size-small);
    color: var(--color-hero-text-secondary);
}
.signup-aside a { color: var(--color-hero-text); border-bottom: 1px solid var(--color-hero-border); }
.signup-aside a:hover { color: var(--color-accent); border-bottom-color: var(--color-accent); }

@media (max-width: 600px) {
    .signup-form { flex-direction: column; }
    .signup-form input,
    .signup-form .btn-accent { width: 100%; }
}

/* ── Footer ────────────────────────────────────────────── */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}
.footer-inner { max-width: 1180px; margin: 0 auto; padding: 0 var(--space-xl); }
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xxl);
    margin-bottom: var(--space-xxl);
    padding-bottom: var(--space-xxl);
    border-bottom: 1px solid var(--color-border);
}
.footer-col-brand .logo-img { height: 28px; margin-bottom: var(--space-md); }
.footer-text {
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    max-width: 300px;
}
.footer-head {
    font-size: var(--font-size-micro);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}
.footer-col a {
    display: block;
    color: var(--color-text-secondary);
    font-size: var(--font-size-small);
    padding: 4px 0;
}
.footer-col a:hover { color: var(--color-accent); }
.footer-copy {
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-small);
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 960px) {
    .nav-links a:not(.btn-accent) { display: none; }
    .product-grid,
    .thesis-grid { grid-template-columns: 1fr; }
    .origin-grid { grid-template-columns: 1fr; gap: var(--space-xxl); }
    .origin-card { position: static; }
    .origin-photo { max-width: 320px; margin: 0 auto; }
    .how-grid { grid-template-columns: 1fr; }
    .how-arrow { transform: rotate(90deg); padding: var(--space-xs) 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    h1 { font-size: 36px; }
    h2 { font-size: 28px; }
}

@media (max-width: 600px) {
    .section-inner { padding: 0 var(--space-lg); }
    .hero { padding: var(--space-3xl) 0; }
    .footer-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
}