/* Landing page — public intro before sign-in */
/* Tokens live in styles.css :root; aliases keep this file readable. */

body.landing-pending #landingPage,
body.landing-pending #appWorkspace {
    visibility: hidden;
}

body.landing-mode {
    padding-top: 0;
    background: var(--landing-bg);
    overflow-x: hidden;
}

body.landing-mode::before {
    background:
        radial-gradient(ellipse 80% 60% at 15% 10%, rgba(61, 155, 255, 0.18) 0%, transparent 55%),
        radial-gradient(ellipse 70% 50% at 90% 20%, rgba(29, 224, 176, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 50% 100%, rgba(61, 155, 255, 0.08) 0%, transparent 55%);
}

body.landing-mode .fixed-header,
body.landing-mode #appWorkspace {
    display: none !important;
}

body.app-mode #landingPage {
    display: none !important;
}

body.app-mode #appWorkspace {
    display: block;
}

.landing-page {
    min-height: 100vh;
    color: var(--landing-ink);
    font-family: "Inter", system-ui, sans-serif;
}

.landing-page[hidden],
.app-workspace[hidden] {
    display: none !important;
}

/* Nav */
.landing-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(18px);
    background: rgba(7, 11, 20, 0.72);
    border-bottom: 1px solid transparent;
    transition: border-color 0.25s ease, background 0.25s ease;
}

.landing-nav.is-scrolled {
    border-bottom-color: var(--landing-line);
    background: rgba(7, 11, 20, 0.9);
}

.landing-nav-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.landing-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--landing-ink);
    text-decoration: none;
    font-family: var(--landing-display);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.03em;
}

.landing-brand i {
    color: var(--landing-accent);
}

.landing-brand span {
    color: var(--landing-ink);
}

.landing-nav-links {
    display: flex;
    gap: 22px;
    margin-left: auto;
}

.landing-nav-links a {
    color: var(--landing-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.landing-nav-links a:hover {
    color: var(--landing-ink);
}

.landing-nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.landing-nav-menu {
    display: none;
    margin-left: auto;
    background: transparent;
    border: 1px solid var(--landing-line);
    color: var(--landing-ink);
    width: 42px;
    height: 42px;
    border-radius: 10px;
    cursor: pointer;
}

/* Buttons */
.landing-btn-primary,
.landing-btn-ghost {
    font: inherit;
    font-weight: 600;
    border-radius: 999px;
    padding: 10px 18px;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.landing-btn-primary {
    border: none;
    background: linear-gradient(135deg, var(--landing-accent) 0%, #2b7fff 100%);
    color: #041018;
}

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

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

.landing-btn-ghost:hover {
    border-color: rgba(61, 155, 255, 0.55);
    background: rgba(61, 155, 255, 0.08);
}

.landing-btn-lg {
    padding: 14px 24px;
    font-size: 1.02rem;
}

.landing-text-link {
    background: none;
    border: none;
    color: var(--landing-accent);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Hero — one composition */
.landing-hero {
    max-width: 1120px;
    margin: 0 auto;
    padding: clamp(48px, 10vh, 96px) 24px 72px;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(32px, 6vw, 64px);
    align-items: center;
    min-height: calc(100vh - 74px);
}

.landing-brand-mark {
    font-family: var(--landing-display);
    font-weight: 700;
    font-size: clamp(1.35rem, 2.4vw, 1.75rem);
    letter-spacing: -0.04em;
    color: var(--landing-accent);
    margin-bottom: 14px;
    opacity: 0;
    animation: landingRise 0.7s ease 0.05s forwards;
}

.landing-hero h1 {
    font-family: var(--landing-display);
    font-weight: 800;
    font-size: clamp(2.5rem, 5.6vw, 4.1rem);
    line-height: 1.02;
    letter-spacing: -0.045em;
    margin-bottom: 18px;
    opacity: 0;
    animation: landingRise 0.75s ease 0.12s forwards;
}

.landing-hero-lede {
    color: var(--landing-muted);
    font-size: 1.08rem;
    line-height: 1.65;
    max-width: 34rem;
    margin-bottom: 28px;
    opacity: 0;
    animation: landingRise 0.75s ease 0.2s forwards;
}

.landing-cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 14px;
    opacity: 0;
    animation: landingRise 0.75s ease 0.28s forwards;
}

.landing-hero-note {
    color: #7382a3;
    font-size: 0.9rem;
    opacity: 0;
    animation: landingRise 0.75s ease 0.36s forwards;
}

.landing-hero-visual {
    opacity: 0;
    animation: landingRise 0.9s ease 0.25s forwards, landingFloat 6s ease-in-out 1s infinite;
}

@keyframes landingRise {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes landingFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.landing-product-frame {
    background: linear-gradient(160deg, rgba(22, 32, 54, 0.95), rgba(12, 18, 32, 0.98));
    border: 1px solid var(--landing-line);
    border-radius: 22px;
    overflow: hidden;
    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.45),
        0 0 0 1px rgba(255, 255, 255, 0.03) inset;
}

.landing-product-chrome {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--landing-line);
    background: rgba(255, 255, 255, 0.02);
}

.landing-product-chrome span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #2a3650;
}

.landing-product-chrome span:nth-child(1) { background: #ff5f57; }
.landing-product-chrome span:nth-child(2) { background: #febc2e; }
.landing-product-chrome span:nth-child(3) { background: #28c840; }

.landing-product-chrome em {
    margin-left: auto;
    font-style: normal;
    color: var(--landing-muted);
    font-size: 0.82rem;
    font-weight: 500;
}

.landing-product-body {
    padding: 22px;
}

.landing-trade-sides {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 12px;
    align-items: center;
    margin-bottom: 18px;
}

.landing-trade-col {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 14px;
    border-radius: 14px;
    background: rgba(61, 155, 255, 0.06);
    border: 1px solid rgba(61, 155, 255, 0.14);
}

.landing-trade-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #7382a3;
}

.landing-trade-col strong {
    font-family: var(--landing-display);
    font-size: 1.05rem;
    letter-spacing: -0.02em;
}

.landing-trade-col > span:not(.landing-trade-label) {
    color: var(--landing-muted);
    font-size: 0.88rem;
}

.landing-rating {
    margin-top: 8px;
    font-family: var(--landing-display);
    font-size: 1.4rem;
    color: var(--landing-accent-2);
}

.landing-rating.soft {
    color: #ff9d6a;
}

.landing-trade-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(61, 155, 255, 0.12);
    color: var(--landing-accent);
}

.landing-trade-verdict {
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(255, 120, 80, 0.08);
    border: 1px solid rgba(255, 120, 80, 0.22);
    margin-bottom: 14px;
}

.landing-pill {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 4px 8px;
    border-radius: 999px;
    margin-bottom: 8px;
}

.landing-pill.unfavorable {
    background: rgba(255, 120, 80, 0.18);
    color: #ffb08a;
}

.landing-trade-verdict p {
    color: #d7deed;
    font-size: 0.92rem;
    line-height: 1.5;
}

.landing-ai-line {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--landing-muted);
    font-size: 0.88rem;
}

.landing-ai-line i {
    color: var(--landing-accent);
}

/* Sections */
.landing-section {
    max-width: 1120px;
    margin: 0 auto;
    padding: 88px 24px;
}

.landing-section-alt {
    position: relative;
}

.landing-section-alt::before {
    content: "";
    position: absolute;
    inset: 0 -100vw;
    background: linear-gradient(180deg, rgba(61, 155, 255, 0.05), transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.landing-section-head {
    max-width: 560px;
    margin-bottom: 40px;
}

.landing-section-head h2 {
    font-family: var(--landing-display);
    font-size: clamp(1.9rem, 3.5vw, 2.6rem);
    letter-spacing: -0.035em;
    margin-bottom: 12px;
}

.landing-section-head p {
    color: var(--landing-muted);
    font-size: 1.05rem;
    line-height: 1.6;
}

.landing-feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 36px;
}

.landing-feature-grid article h3 {
    font-family: var(--landing-display);
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    margin: 8px 0 8px;
}

.landing-feature-grid article p {
    color: var(--landing-muted);
    line-height: 1.55;
}

.landing-feature-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--landing-accent);
}

.landing-steps {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
    counter-reset: none;
}

.landing-steps li {
    padding-right: 12px;
}

.landing-step-num {
    display: block;
    font-family: var(--landing-display);
    font-size: 2rem;
    font-weight: 700;
    color: rgba(61, 155, 255, 0.45);
    letter-spacing: -0.04em;
    margin-bottom: 12px;
}

.landing-steps h3 {
    font-family: var(--landing-display);
    font-size: 1.2rem;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.landing-steps p {
    color: var(--landing-muted);
    line-height: 1.55;
}

.landing-final-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
}

.landing-final-cta > p {
    color: var(--landing-muted);
}

/* Footer */
.landing-footer {
    border-top: 1px solid var(--landing-line);
    padding: 40px 24px 56px;
}

.landing-footer-inner {
    max-width: 1120px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 24px;
    align-items: start;
}

.landing-footer-brand {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.landing-footer-brand i {
    color: var(--landing-accent);
    margin-top: 4px;
}

.landing-footer-brand strong {
    font-family: var(--landing-display);
    display: block;
    margin-bottom: 4px;
}

.landing-footer-brand p {
    color: var(--landing-muted);
    font-size: 0.95rem;
}

.landing-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    justify-content: flex-end;
}

.landing-footer-links button {
    background: none;
    border: none;
    color: var(--landing-muted);
    font: inherit;
    cursor: pointer;
    padding: 0;
}

.landing-footer-links button:hover {
    color: var(--landing-ink);
}

.landing-footer-copy {
    grid-column: 1 / -1;
    color: #62708f;
    font-size: 0.88rem;
    margin-top: 8px;
}

/* Mobile */
@media (max-width: 900px) {
    .landing-hero {
        grid-template-columns: 1fr;
        min-height: auto;
        padding-top: 40px;
    }

    .landing-hero-visual {
        order: -1;
        max-width: 480px;
    }

    .landing-feature-grid,
    .landing-steps {
        grid-template-columns: 1fr;
    }

    .landing-nav-links,
    .landing-nav-actions {
        display: none;
    }

    .landing-nav.is-open .landing-nav-links,
    .landing-nav.is-open .landing-nav-actions {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        margin-left: 0;
    }

    .landing-nav.is-open .landing-nav-inner {
        flex-wrap: wrap;
    }

    .landing-nav-menu {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .landing-footer-inner {
        grid-template-columns: 1fr;
    }

    .landing-footer-links {
        justify-content: flex-start;
    }
}