/* ===================================================================
   Zenease Design System — "Ocean & Serenity"
   CSS Custom Properties + Landing Page Utilities
   =================================================================== */

:root {
    /* ── Color Tokens ── */
    --primary:                     #162839;
    --primary-container:           #2c3e50;
    --on-primary:                  #ffffff;
    --on-primary-container:        #96a9be;
    --primary-fixed:               #d1e4fb;
    --primary-fixed-dim:           #b5c8df;
    --on-primary-fixed:            #091d2e;
    --on-primary-fixed-variant:    #36485b;
    --inverse-primary:             #b5c8df;

    --secondary:                   #006397;
    --secondary-container:         #5cb8fd;
    --on-secondary:                #ffffff;
    --on-secondary-container:      #00476e;
    --secondary-fixed:             #cce5ff;
    --secondary-fixed-dim:         #92ccff;
    --on-secondary-fixed:          #001d31;
    --on-secondary-fixed-variant:  #004b73;

    --tertiary:                    #002a3c;
    --tertiary-container:          #154056;
    --on-tertiary:                 #ffffff;
    --on-tertiary-container:       #84acc5;
    --tertiary-fixed:              #c5e7ff;
    --tertiary-fixed-dim:          #a4cce6;
    --on-tertiary-fixed:           #001e2d;
    --on-tertiary-fixed-variant:   #224b61;

    --error:                       #ba1a1a;
    --error-container:             #ffdad6;
    --on-error:                    #ffffff;
    --on-error-container:          #93000a;

    --surface:                     #f8fafa;
    --surface-dim:                 #d8dada;
    --surface-bright:              #f8fafa;
    --surface-variant:             #e1e3e3;
    --surface-tint:                #4e6073;
    --surface-container-lowest:    #ffffff;
    --surface-container-low:       #f2f4f4;
    --surface-container:           #eceeee;
    --surface-container-high:      #e6e8e8;
    --surface-container-highest:   #e1e3e3;

    --background:                  #f8fafa;
    --on-background:               #191c1d;
    --on-surface:                  #191c1d;
    --on-surface-variant:          #43474c;
    --outline:                     #74777d;
    --outline-variant:             #c4c6cd;

    --inverse-surface:             #2e3131;
    --inverse-on-surface:          #eff1f1;

    /* ── Scrim (modal/drawer overlay) ── */
    --scrim:                       #0f172a;
}

/* ── Material Symbols ── */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
}

/* ── Glassmorphic Floating Elements ── */
.glass-effect {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

/* ── Primary Gradient (--primary → --primary-container) ── */
.ocean-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

/* ── Ambient Shadow (No heavy shadows) ── */
.shadow-ambient {
    box-shadow: 0 10px 30px rgba(22, 40, 57, 0.06);
}

.shadow-ambient-lg {
    box-shadow: 0 16px 48px rgba(22, 40, 57, 0.08);
}

/* ── Typography Helpers ── */
.font-headline {
    font-family: 'Manrope', sans-serif;
}

.font-body,
.font-label {
    font-family: 'Inter', sans-serif;
}

/* ── Landing Base ── */
.landing-page {
    font-family: 'Inter', sans-serif;
    color: var(--on-surface);
    background: var(--surface-container-low);
}

/* ── No-Line Rule: section transitions via background tiers ── */
/* Never use border or <hr> for sectioning */

/* Public product introduction. Scope new resets to Home roots; authentication shares LandingLayout. */
:is(.landing-header, .landing-main, .landing-footer) { line-height: 1.65; word-break: keep-all; overflow-wrap: break-word; }
:is(.landing-header, .landing-main, .landing-footer), :is(.landing-header, .landing-main, .landing-footer) *, :is(.landing-header, .landing-main, .landing-footer) *::before, :is(.landing-header, .landing-main, .landing-footer) *::after { box-sizing: border-box; }
:is(.landing-header, .landing-main, .landing-footer) h1, :is(.landing-header, .landing-main, .landing-footer) h2, :is(.landing-header, .landing-main, .landing-footer) h3, :is(.landing-header, .landing-main, .landing-footer) p, :is(.landing-header, .landing-main, .landing-footer) figure { margin: 0; }
:is(.landing-header, .landing-main, .landing-footer) h1, :is(.landing-header, .landing-main, .landing-footer) h2, :is(.landing-header, .landing-main, .landing-footer) h3 { font-family: 'Manrope', sans-serif; }
:is(.landing-header, .landing-main, .landing-footer) h2 { color: var(--primary); font-size: clamp(1.85rem, 3vw, 2.65rem); line-height: 1.2; font-weight: 800; letter-spacing: -.035em; text-wrap: balance; }
:is(.landing-header, .landing-main, .landing-footer) h3 { color: var(--primary); font-size: 1.12rem; line-height: 1.45; font-weight: 800; }
:is(.landing-header, .landing-main, .landing-footer) p { color: var(--on-surface-variant); }
:is(.landing-header, .landing-main, .landing-footer) a { text-decoration: none; }
:is(.landing-header, .landing-main, .landing-footer) a:focus-visible, :is(.landing-header, .landing-main, .landing-footer) button:focus-visible, :is(.landing-header, .landing-main, .landing-footer) summary:focus-visible { outline: 3px solid var(--secondary); outline-offset: 5px; border-radius: .5rem; }
.landing-container { width: min(calc(100% - 3rem), 72rem); margin-inline: auto; }
.landing-main { padding-top: 5rem; }
.landing-main[id], :is(.landing-header, .landing-main, .landing-footer) [id] { scroll-margin-top: 6.5rem; }
.landing-section { padding-block: 5rem; }
.landing-section-tinted { background: var(--surface-container); }
.landing-section-heading { max-width: 46rem; margin-bottom: 2.5rem; }
.landing-section-heading > p:last-child { margin-top: 1rem; font-size: 1.0625rem; }
:is(.landing-header, .landing-main, .landing-footer) .landing-kicker { color: var(--secondary); font-size: .73rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 1rem; }
:is(.landing-header, .landing-main, .landing-footer) .landing-lead { font-size: 1.0625rem; line-height: 1.75; margin-top: 1.35rem; }
.landing-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-top: 2rem; }
.landing-button { display: inline-flex; align-items: center; justify-content: center; gap: .8rem; min-height: 3.1rem; padding: .8rem 1.35rem; border-radius: .75rem; font-size: .9rem; font-weight: 700; line-height: 1.5; transition: opacity .15s; }
.landing-button:hover { opacity: .85; }
.landing-button-primary { background: linear-gradient(135deg, var(--primary), var(--primary-container)); color: var(--on-primary); }
.landing-button-secondary { color: var(--primary); background: var(--surface-container-lowest); box-shadow: 0 10px 30px rgba(22,40,57,.06); }
.landing-text-link { display: inline-flex; align-items: center; gap: .55rem; color: var(--secondary); font-size: .875rem; font-weight: 750; margin-top: 1.1rem; }
.landing-small-note { font-size: .8rem; margin-top: 1.5rem !important; line-height: 1.65; }
.landing-header { position: fixed; inset: 0 0 auto; z-index: 50; background: var(--surface-container-lowest); box-shadow: 0 10px 30px rgba(22,40,57,.06); }
.landing-nav { height: 5rem; display: flex; justify-content: space-between; align-items: center; gap: 1.25rem; position: relative; }
.landing-brand { display: inline-flex; align-items: baseline; gap: .25rem; color: var(--primary); font-family: 'Manrope', sans-serif; font-size: 1.45rem; font-weight: 800; letter-spacing: -.07em; white-space: nowrap; }
.landing-brand-dot { display: inline-block; width: .35rem; height: .35rem; border-radius: 100%; background: var(--secondary); }
.landing-desktop-links { display: none; gap: 1.25rem; }
.landing-desktop-links a, .landing-sign-in { color: var(--primary); font-size: .82rem; font-weight: 650; padding-block: .75rem; }
.landing-nav-actions { display: flex; align-items: center; gap: .85rem; }
.landing-languages { display: flex; align-items: center; gap: .35rem; }
.landing-languages button { color: var(--on-surface-variant); background: transparent; border: 0; font-size: .7rem; font-weight: 650; padding: .35rem; border-radius: .3rem; cursor: pointer; }
.landing-languages button[aria-pressed="true"] { color: var(--secondary); background: var(--secondary-fixed); }
.landing-menu-toggle { background: var(--surface-container-low); color: var(--primary); border: 0; width: 2.5rem; height: 2.5rem; border-radius: .5rem; font-size: 1.35rem; cursor: pointer; }
.landing-mobile-links { position: absolute; top: calc(100% + .5rem); left: 0; right: 0; background: var(--surface-container-lowest); box-shadow: 0 10px 30px rgba(22,40,57,.06); padding: .75rem; border-radius: .5rem; display: grid; }
.landing-mobile-links a { padding: .8rem 1rem; color: var(--primary); font-weight: 650; }
.landing-mobile-links a:hover { background: var(--surface-container-low); border-radius: .5rem; }
.landing-hero { padding-block: 3.75rem 0; background: var(--surface-container-low); }
.landing-hero-grid, .landing-detail-grid { display: grid; align-items: center; gap: 2.75rem; }
.landing-hero h1 { color: var(--primary); font-size: clamp(2.25rem, 4.25vw, 3.75rem); font-weight: 800; line-height: 1.12; letter-spacing: -.05em; text-wrap: balance; }
.landing-hero h1 span { display: block; color: var(--secondary); }
.landing-hero-note { margin-top: 1.6rem !important; font-size: .78rem; max-width: 30rem; }
.landing-hero-preview { min-width: 0; }
.landing-preview-label { display: flex; align-items: center; gap: .5rem; margin-bottom: .75rem; color: var(--primary); font-size: .72rem; font-weight: 750; }
.landing-status-dot { width: .45rem; height: .45rem; border-radius: 100%; background: var(--secondary); }
.landing-product-figure { min-width: 0; width: 100%; }
.landing-product-frame { overflow: hidden; border-radius: .5rem; background: var(--surface-container-lowest); box-shadow: 0 10px 30px rgba(22,40,57,.06); }
.landing-product-frame img { display: block; width: 100%; height: auto; }
.landing-product-figure figcaption { margin-top: .65rem; font-size: .7rem; line-height: 1.6; color: var(--on-surface-variant); }
.landing-value-strip { display: grid; gap: 1.5rem; padding-block: 2rem; margin-top: 2.5rem; }
.landing-value-strip p { display: flex; flex-direction: column; gap: .2rem; font-size: .82rem; }
.landing-value-strip strong { color: var(--primary); font-weight: 750; }
.landing-value-strip span { color: var(--on-surface-variant); }
.landing-feature-grid, .landing-three-grid { display: grid; gap: 1rem; }
.landing-feature-card, .landing-info-card { min-width: 0; background: var(--surface-container-lowest); border-radius: .5rem; padding: 1.75rem; }
.landing-feature-card { display: flex; flex-direction: column; align-items: start; box-shadow: 0 10px 30px rgba(22,40,57,.06); }
.landing-feature-card h3 { margin-block: 1.1rem .65rem; }
.landing-feature-card p, .landing-info-card p { font-size: .9rem; line-height: 1.75; }
.landing-feature-card .landing-text-link { margin-top: auto; padding-top: 1.5rem; }
.landing-feature-index { color: var(--secondary); font-size: .8rem; font-weight: 800; }
.landing-info-card h3 { margin-bottom: .75rem; }
.landing-workflow { margin: 0; padding: 0; list-style: none; display: grid; gap: 1.25rem; }
.landing-workflow li { padding: 1.65rem; border-radius: .5rem; background: var(--surface-container-lowest); }
.landing-workflow h3 { margin-block: 1.25rem .6rem; }
.landing-workflow p { font-size: .9rem; }
.landing-step-number { display: inline-flex; align-items: center; justify-content: center; width: 2.6rem; height: 2.6rem; border-radius: 100%; background: var(--secondary-fixed); color: var(--secondary); font-size: .85rem; font-weight: 800; }
.landing-detail-list { margin: 2rem 0 0; padding: 0; list-style: none; display: grid; gap: 1.4rem; }
.landing-detail-list h3 { margin-bottom: .4rem; }
.landing-detail-list p { font-size: .9rem; }
.landing-portal { margin-top: 4.5rem; }
.landing-check-list { margin: 1.5rem 0 0; padding: 0; list-style: none; display: grid; gap: .85rem; }
.landing-check-list li { display: flex; align-items: start; gap: .75rem; color: var(--on-surface-variant); font-size: .95rem; }
.landing-check-list li::before { content: '✓'; color: var(--secondary); font-weight: 800; }
.landing-security { background: var(--primary); }
.landing-security h2, .landing-security h3 { color: var(--on-primary); }
.landing-security .landing-kicker, .landing-security .landing-text-link { color: var(--secondary-fixed); }
.landing-security p { color: var(--primary-fixed); }
.landing-security-card { padding: 1.75rem; background: var(--primary-container); border-radius: .5rem; }
.landing-security-card p { margin-top: .75rem; font-size: .9rem; }
.landing-security-note { font-size: .8rem; max-width: 55rem; margin-top: 2rem !important; }
.landing-start-steps { margin: 0; padding: 0; list-style: none; counter-reset: start; display: grid; gap: 1.75rem; }
.landing-start-steps li { counter-increment: start; }
.landing-start-steps h3 { display: flex; gap: .7rem; margin-bottom: .65rem; }
.landing-start-steps h3::before { content: counter(start) '.'; color: var(--secondary); }
.landing-start-steps p { font-size: .9rem; }
.landing-pricing-note { display: flex; align-items: start; flex-direction: column; gap: 1.5rem; padding: 1.75rem; margin-top: 2.5rem; border-radius: .5rem; background: var(--surface-container-high); }
.landing-pricing-note p { font-size: .9rem; margin-top: .5rem; max-width: 44rem; }
.landing-pricing-note a { flex-shrink: 0; }
.landing-pricing-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; }
.landing-pricing-actions > a:not(.landing-button) { color: var(--primary); font-size: .9rem; }
.landing-faq-grid { display: grid; gap: 2rem; }
.landing-faq-list { display: grid; gap: .75rem; }
.landing-faq-item { padding: 1.25rem 1.5rem; background: var(--surface-container-lowest); border-radius: .5rem; }
.landing-faq-item summary { display: flex; justify-content: space-between; align-items: start; gap: 1.5rem; color: var(--primary); font-size: .95rem; font-weight: 750; cursor: pointer; list-style: none; }
.landing-faq-item summary::-webkit-details-marker { display: none; }
.landing-faq-item summary::after { content: '+'; color: var(--secondary); font-size: 1.2rem; line-height: 1.4; }
.landing-faq-item[open] summary::after { content: '−'; }
.landing-faq-item p { margin-top: 1rem; font-size: .9rem; }
.landing-contact { background: var(--surface-container); padding: 1.75rem; border-radius: .5rem; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; margin-top: 1.5rem; }
.landing-contact p { font-size: .875rem; margin-top: .4rem; }
.landing-contact a { overflow-wrap: anywhere; margin-top: 0; }
.landing-final-cta { background: var(--secondary-fixed); text-align: center; }
.landing-final-cta .landing-lead { max-width: 40rem; margin-inline: auto; }
.landing-final-cta .landing-actions { justify-content: center; }
.landing-footer { color: var(--on-primary); background: var(--primary); }
.landing-footer-grid { display: grid; grid-template-columns: minmax(0,1fr); gap: 2.5rem; padding-block: 3rem; }
.landing-footer .landing-brand { color: var(--on-primary); }
.landing-footer-brand > p { color: var(--primary-fixed); font-size: .8rem; max-width: 25rem; margin-top: 1rem; }
.landing-footer h2 { color: var(--on-primary); font-size: .875rem; font-weight: 750; letter-spacing: 0; line-height: 1.5; margin-bottom: 1rem; }
.landing-footer ul { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 2rem; margin: 0; padding: 0; list-style: none; }
.landing-footer li a { color: var(--primary-fixed); display: inline-block; padding-block: .4rem; font-size: .8rem; }
.landing-footer a:hover { color: var(--on-primary); }
.landing-footer-bottom { background: var(--primary-container); }
.landing-footer-bottom-content { display: flex; flex-direction: column; gap: 1rem; padding-block: 1.25rem; }
.landing-footer-bottom p, .landing-footer-bottom a { color: var(--primary-fixed); font-size: .72rem; }
.landing-footer-bottom .landing-legal-links a { font-size: .875rem; }
.landing-info-header { background: var(--surface-container-lowest); }
.landing-info-header > div, .landing-info-actions {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem;
}
.landing-info-header > div { padding-block: .85rem; }
.landing-info-actions > a { color: var(--primary); font-size: .875rem; }
.landing-info-page { background: var(--surface-container-low); min-height: 90vh; }
.landing-info-page .landing-section { padding-block: clamp(2.5rem, 6vw, 5rem); }
.landing-info-page h1 {
    color: var(--primary); font-size: clamp(2rem, 5vw, 3.6rem); font-weight: 800;
    line-height: 1.14; letter-spacing: -.04em;
}
.landing-price-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
    max-width: 50rem; gap: 1rem;
}
.landing-price-grid h2 { font-size: 1.25rem; }
.landing-price-grid .landing-price {
    color: var(--primary); font-weight: 800; font-size: clamp(1.8rem, 5vw, 2.65rem);
    line-height: 1.3; margin: .75rem 0 .25rem;
}
.landing-info-page .landing-price-tax { margin-block: 1rem 1.5rem; }
.landing-policy-nav { display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: 1.25rem; }
.landing-policy-nav a {
    padding: .55rem .85rem; color: var(--primary); background: var(--surface-container-lowest);
    border-radius: .5rem; font-size: .9rem;
}
.landing-policy-nav a[aria-current="page"] { background: var(--primary); color: var(--on-primary); }
.landing-policy-body {
    max-width: 55rem; padding: clamp(1rem, 4vw, 2.5rem);
    border-radius: .5rem; background: var(--surface-container-lowest);
}
.landing-policy-body > * + * { margin-top: 1rem; }
.landing-policy-body h2 { font-size: clamp(1.2rem, 3vw, 1.5rem); margin-top: 2.25rem; }
.landing-policy-body h3 { margin-top: 1.5rem; }
.landing-policy-original-title { font-weight: 750; }
.landing-policy-table { overflow-x: auto; }
.landing-policy-table table { width: 100%; min-width: 26rem; font-size: .875rem; }
.landing-policy-table :is(td, th) { padding: .65rem; text-align: start; vertical-align: top; }
.landing-policy-table thead, .landing-policy-table tbody tr:nth-child(even) { background: var(--surface-container-low); }
.landing-legal-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
@media (min-width: 600px) {
    .landing-value-strip, .landing-three-grid, .landing-start-steps { grid-template-columns: repeat(3,minmax(0,1fr)); }
    .landing-feature-grid, .landing-workflow { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .landing-container { width: min(calc(100% - 6rem),72rem); }
}
@media (min-width: 1024px) {
    .landing-section { padding-block: 5.5rem; }
    .landing-hero-grid { grid-template-columns: minmax(0,.95fr) minmax(0,1.05fr); gap: 3.5rem; }
    .landing-detail-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 4rem; }
    .landing-feature-grid, .landing-workflow { grid-template-columns: repeat(4,minmax(0,1fr)); }
    .landing-faq-grid { grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); gap: 5rem; }
    .landing-footer-grid { grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 4rem; }
    .landing-footer-bottom-content { flex-direction: row; align-items: center; justify-content: space-between; }
    .landing-pricing-note { flex-direction: row; align-items: center; justify-content: space-between; }
}
@media (min-width: 1180px) {
    .landing-desktop-links { display: flex; }
    .landing-menu-toggle, .landing-mobile-links { display: none; }
}
@media (prefers-reduced-motion: reduce) {
    :is(.landing-header, .landing-main, .landing-footer), :is(.landing-header, .landing-main, .landing-footer) *, :is(.landing-header, .landing-main, .landing-footer) *::before, :is(.landing-header, .landing-main, .landing-footer) *::after { transition: none !important; scroll-behavior: auto !important; }
}