/*
 * Openship-aligned public landing styles for FrontDeskAI.
 * Scoped under .landing so authenticated shells are unaffected.
 * Type and radius values come from tokens.css / DESIGN.md.
 */

.landing {
    --landing-max: 1120px;
    --landing-hero-max: 860px;
    margin: calc(-1 * var(--space-7)) calc(-1 * var(--space-6)) 0;
}

@media (min-width: 960px) {
    .landing {
        margin-left: calc(-1 * var(--space-8));
        margin-right: calc(-1 * var(--space-8));
    }
}

/* ── Hero ─────────────────────────────────────────────────────── */

.landing-hero {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100dvh - 88px);
    padding: clamp(var(--space-10), 10vw, var(--space-13)) var(--space-6) clamp(var(--space-11), 12vw, 140px);
    overflow: hidden;
    text-align: center;
    background: var(--surface-page);
}

.landing-hero__grain,
.landing-hero__glow {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.landing-hero__grain {
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 180px;
    opacity: 0.022;
    mix-blend-mode: multiply;
}

:root[data-theme="dark"] .landing-hero__grain {
    opacity: 0.04;
    mix-blend-mode: screen;
}

.landing-hero__glow {
    bottom: -8%;
    top: auto;
    left: -5%;
    right: -5%;
    height: 55%;
    background:
        radial-gradient(ellipse 55% 70% at 50% 90%, rgba(0, 0, 0, 0.08) 0%, transparent 70%),
        radial-gradient(ellipse 40% 55% at 20% 85%, rgba(217, 119, 6, 0.12) 0%, transparent 65%),
        radial-gradient(ellipse 40% 55% at 80% 85%, rgba(0, 0, 0, 0.06) 0%, transparent 65%);
    filter: blur(40px);
    animation: landing-glow-breathe 18s ease-in-out infinite;
}

:root[data-theme="dark"] .landing-hero__glow {
    background:
        radial-gradient(ellipse 55% 70% at 50% 90%, rgba(255, 255, 255, 0.08) 0%, transparent 70%),
        radial-gradient(ellipse 40% 55% at 20% 85%, rgba(251, 191, 36, 0.1) 0%, transparent 65%),
        radial-gradient(ellipse 40% 55% at 80% 85%, rgba(255, 255, 255, 0.05) 0%, transparent 65%);
}

@keyframes landing-glow-breathe {
    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.85;
        transform: scale(1.04);
    }
}

.landing-hero__inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: var(--landing-hero-max);
}

.landing-brand {
    margin: 0 0 var(--space-6);
    font-family: var(--font-display);
    font-size: var(--type-brand);
    font-weight: 600;
    letter-spacing: var(--tracking-display);
    color: var(--color-text-heading);
    text-wrap: balance;
}

.landing-hero__title {
    margin: 0;
    font-family: var(--font-display);
    font-size: var(--type-display);
    font-weight: 600;
    line-height: var(--line-height-tight);
    letter-spacing: var(--tracking-display);
    color: var(--color-text-heading);
    text-wrap: balance;
}

.landing-hero__title-soft {
    display: block;
    font-weight: 300;
    font-style: normal;
    letter-spacing: -0.02em;
    color: var(--color-text-muted);
}

.landing-hero__sub {
    margin: var(--space-6) auto 0;
    max-width: 34rem;
    font-size: var(--type-body-lead);
    line-height: 1.65;
    color: var(--color-text-base);
    text-wrap: pretty;
}

.landing-hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-8);
}

.landing-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 48px;
    padding: 0 var(--space-7);
    border-radius: var(--radius-pill);
    font-family: var(--font-ui);
    font-size: var(--type-body-cta);
    font-weight: 500;
    text-decoration: none;
    transition:
        background var(--motion-fast) var(--easing-standard),
        color var(--motion-fast) var(--easing-standard),
        border-color var(--motion-fast) var(--easing-standard),
        transform var(--motion-fast) var(--easing-standard);
}

.landing-btn:active {
    transform: translateY(1px);
}

.landing-btn--primary {
    background: var(--color-accent);
    color: var(--surface-page);
    border: 1px solid transparent;
}

.landing-btn--primary:hover {
    background: var(--color-accent-strong);
}

.landing-btn--ghost {
    background: transparent;
    color: var(--color-text-strong);
    border: 1px solid var(--color-line-strong);
}

.landing-btn--ghost:hover {
    border-color: var(--color-text-muted);
    background: var(--surface-muted);
}

.landing-btn svg {
    width: 1rem;
    height: 1rem;
    transition: transform var(--motion-fast) var(--easing-standard);
}

.landing-btn--primary:hover svg {
    transform: translateX(2px);
}

/* ── Always-dark Platform band ────────────────────────────────── */

.landing-dark {
    --landing-local-bg: var(--landing-dark-bg);
    --landing-local-ink: var(--landing-dark-ink);
    --landing-local-body: var(--landing-dark-body);
    --landing-local-muted: var(--landing-dark-muted);
    --landing-local-border: var(--landing-dark-border);
    --landing-local-cell: var(--landing-dark-cell);
    position: relative;
    margin: clamp(var(--space-9), 7vw, var(--space-12)) var(--space-4) 0;
    padding: clamp(var(--space-10), 9vw, var(--space-13)) clamp(var(--space-5), 4vw, var(--space-9));
    max-width: var(--landing-max);
    margin-left: auto;
    margin-right: auto;
    border-radius: var(--radius-2xl);
    background: var(--landing-local-bg);
    color: var(--landing-local-ink);
    overflow: hidden;
    transform: scale(0.985);
    transition:
        transform 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        opacity 0.5s ease;
}

.landing-dark.is-inview {
    transform: scale(1);
}

@media (max-width: 960px) {
    .landing {
        margin-left: 0;
        margin-right: 0;
    }

    .landing-dark {
        box-sizing: border-box;
        width: auto;
        max-width: none;
        margin: var(--space-5) var(--space-4) 0;
        padding: clamp(var(--space-8), 8vw, var(--space-11)) var(--space-5);
        border-radius: var(--radius-2xl);
        transform: none;
    }
}

.landing-section-head {
    margin: 0 auto clamp(var(--space-9), 6vw, var(--space-11));
    max-width: 38rem;
    text-align: center;
}

.landing-eyebrow {
    margin: 0 0 var(--space-4);
    font-size: var(--type-eyebrow);
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--landing-local-muted, var(--color-text-muted));
}

.landing-section-title {
    margin: 0;
    font-family: var(--font-display);
    font-size: var(--type-headline);
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1.1;
    color: var(--landing-local-ink, var(--color-text-heading));
    text-wrap: balance;
}

.landing-section-sub {
    margin: var(--space-5) auto 0;
    max-width: 30rem;
    font-size: var(--type-body);
    line-height: 1.6;
    color: var(--landing-local-body, var(--color-text-base));
    text-wrap: pretty;
}

.feat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-feature);
    overflow: hidden;
}

@media (max-width: 900px) {
    .feat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 560px) {
    .feat-grid {
        grid-template-columns: 1fr;
    }
}

.feat-cell {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--space-7) var(--space-6) var(--space-8);
    background: var(--landing-local-cell);
    overflow: hidden;
    isolation: isolate;
    --mx: 50%;
    --my: 50%;
    transition: background 0.35s ease;
}

.feat-cell:hover {
    background: var(--landing-dark-cell-hover);
}

.feat-cell__orb {
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.18) 50%, transparent 100%);
    z-index: 2;
}

.feat-cell:hover .feat-cell__orb {
    opacity: 1;
}

.feat-cell__edge {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.45s ease;
    background: radial-gradient(420px circle at var(--mx) var(--my), rgba(255, 255, 255, 0.06), transparent 55%);
    z-index: 0;
}

.feat-cell:hover .feat-cell__edge {
    opacity: 1;
}

.feat-cell__top,
.feat-cell__title,
.feat-cell__desc {
    position: relative;
    z-index: 1;
}

.feat-cell__top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-7);
}

.feat-cell__ident {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.feat-cell__n {
    font-size: var(--type-number);
    font-weight: 500;
    letter-spacing: -0.03em;
    line-height: 1;
    color: rgba(255, 255, 255, 0.92);
}

.feat-cell__tag {
    font-size: var(--type-micro);
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
}

.feat-cell__title {
    margin: 0;
    font-size: var(--type-title-feature);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: rgba(255, 255, 255, 0.96);
    line-height: 1.25;
}

.feat-cell__desc {
    margin: var(--space-3) 0 0;
    font-size: var(--type-body-sm);
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.52);
}

.feat-cell__mark {
    width: 62px;
    height: 62px;
    flex-shrink: 0;
    color: rgba(255, 255, 255, 0.22);
    pointer-events: none;
    transition: color 0.35s ease;
}

.feat-cell:hover .feat-cell__mark {
    color: rgba(255, 255, 255, 0.55);
}

.feat-cell__mark svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
}

/* ── How it works ─────────────────────────────────────────────── */

.hiw-section {
    padding: clamp(var(--space-12), 12vw, 160px) var(--space-6);
}

.hiw-container {
    margin: 0 auto;
    max-width: 900px;
}

.hiw-head {
    margin: 0 auto clamp(var(--space-9), 7vw, var(--space-11));
    max-width: 40rem;
    text-align: center;
}

.hiw-head .landing-eyebrow {
    color: var(--color-text-muted);
}

.hiw-head .landing-section-title {
    font-size: var(--type-display);
    color: var(--color-text-heading);
}

.hiw-head .landing-section-sub {
    color: var(--color-text-base);
}

.hiw-flow {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    max-width: 680px;
}

.hiw-step {
    position: relative;
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: var(--space-6);
    padding-bottom: var(--space-8);
}

.hiw-step:last-child {
    padding-bottom: 0;
}

.hiw-step::before {
    content: "";
    position: absolute;
    left: 31px;
    top: 50px;
    bottom: -4px;
    width: 1px;
    background: var(--color-line-strong);
}

.hiw-step:last-child::before {
    display: none;
}

.hiw-step__rail {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.hiw-step__n {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-line-strong);
    background: var(--surface-page);
    font-size: var(--type-body-sm);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--color-text-strong);
}

.hiw-step__title {
    margin: var(--space-1) 0 0;
    font-size: var(--type-title-md);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--color-text-heading);
}

.hiw-step__desc {
    margin: var(--space-3) 0 0;
    font-size: var(--type-body-cta);
    line-height: 1.6;
    color: var(--color-text-base);
    max-width: 42rem;
}

/* ── Audience panels ──────────────────────────────────────────── */

.dm-section {
    padding: 0 var(--space-6) clamp(var(--space-11), 10vw, var(--space-13));
}

.dm-container {
    margin: 0 auto;
    max-width: var(--landing-max);
}

.dm-head {
    margin: 0 auto clamp(var(--space-9), 6vw, var(--space-10));
    max-width: 36rem;
    text-align: center;
}

.dm-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

@media (max-width: 900px) {
    .dm-grid {
        grid-template-columns: 1fr;
    }
}

.dm-panel {
    display: flex;
    flex-direction: column;
    padding: var(--space-7) var(--space-6) var(--space-7);
    border: 1px solid var(--color-line-strong);
    border-radius: var(--radius-feature);
    background: var(--surface-page);
    transition: border-color 0.25s ease;
}

.dm-panel:hover {
    border-color: var(--color-text-soft);
}

.dm-panel__top {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.dm-panel__n {
    font-size: var(--type-number-sm);
    font-weight: 500;
    letter-spacing: -0.03em;
    color: var(--color-text-heading);
}

.dm-panel__tag {
    font-size: var(--type-micro);
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.dm-panel__title {
    margin: 0;
    font-size: var(--type-title-md);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--color-text-heading);
}

.dm-panel__lead {
    margin: var(--space-3) 0 0;
    font-size: var(--type-body-sm);
    line-height: 1.6;
    color: var(--color-text-base);
}

.dm-panel__points {
    list-style: none;
    margin: var(--space-5) 0 0;
    padding: 0;
    display: grid;
    gap: var(--space-2);
}

.dm-panel__points li {
    position: relative;
    padding-left: var(--space-4);
    font-size: var(--type-body-sm);
    line-height: 1.45;
    color: var(--color-text-strong);
}

.dm-panel__points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-text-muted);
}

/* ── Final CTA ────────────────────────────────────────────────── */

.fcta-outer {
    padding: 0 var(--space-4) clamp(var(--space-10), 8vw, var(--space-12));
}

.fcta-band {
    max-width: var(--landing-max);
    margin: 0 auto;
    padding: clamp(var(--space-10), 9vw, var(--space-12)) clamp(var(--space-6), 4vw, var(--space-9));
    border-radius: var(--radius-2xl);
    background: var(--landing-dark-bg);
    color: #fff;
    text-align: center;
}

@media (max-width: 720px) {
    .fcta-band {
        border-radius: 0;
        margin: 0 calc(-1 * var(--space-6));
    }
}

.fcta-title {
    margin: 0;
    font-family: var(--font-display);
    font-size: var(--type-headline);
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1.1;
    color: rgba(255, 255, 255, 0.98);
    text-wrap: balance;
}

.fcta-sub {
    margin: var(--space-4) auto 0;
    max-width: 28rem;
    font-size: var(--type-body-lead);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.58);
}

.fcta-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-7);
}

.fcta-band .landing-btn--primary {
    background: #fff;
    color: #000;
}

.fcta-band .landing-btn--primary:hover {
    background: rgba(255, 255, 255, 0.9);
}

.fcta-band .landing-btn--ghost {
    color: rgba(255, 255, 255, 0.85);
    border-color: rgba(255, 255, 255, 0.2);
}

.fcta-band .landing-btn--ghost:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.35);
}

.fcta-trust {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3) var(--space-6);
    list-style: none;
    margin: var(--space-7) 0 0;
    padding: 0;
    font-size: var(--type-body-sm);
    color: rgba(255, 255, 255, 0.45);
}

/* ── Authenticated home (product density) ─────────────────────── */

.home-welcome {
    display: grid;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.home-welcome__title {
    margin: 0;
    font-family: var(--font-display);
    font-size: var(--type-page-title);
    font-weight: 600;
    letter-spacing: var(--tracking-headline);
    color: var(--color-text-heading);
}

.home-welcome__body {
    margin: 0;
    max-width: 40rem;
    color: var(--color-text-base);
    font-size: var(--type-body);
    line-height: var(--line-height-body);
}

.home-welcome__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.workspace-list {
    display: grid;
    gap: 0;
    border-top: 1px solid var(--color-line-subtle);
}

.workspace-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) 0;
    border-bottom: 1px solid var(--color-line-subtle);
}

.workspace-row__meta {
    display: grid;
    gap: var(--space-1);
    min-width: 0;
}

.workspace-row__name {
    margin: 0;
    font-size: var(--type-title-sm);
    font-weight: 600;
    color: var(--color-text-heading);
}

.workspace-row__role {
    margin: 0;
    font-size: var(--type-body-sm);
    color: var(--color-text-muted);
}

.workspace-row__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* ── Motion ───────────────────────────────────────────────────── */

.landing-reveal {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .landing-reveal {
        opacity: 0;
        transform: translateY(16px);
        transition:
            opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
            transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .landing-reveal.is-visible {
        opacity: 1;
        transform: none;
    }

    .landing-reveal--delay-1 {
        transition-delay: 0.08s;
    }

    .landing-reveal--delay-2 {
        transition-delay: 0.16s;
    }

    .landing-reveal--delay-3 {
        transition-delay: 0.24s;
    }
}

@media (prefers-reduced-motion: reduce) {
    .landing-hero__glow,
    .landing-dark {
        animation: none;
        transition: none;
        transform: none;
    }
}