/* ==========================================================================
   AIMU homepage v2 — "Precision Instrument"
   Calm premium dark theme for a scientific desktop GIS + AI workbench.
   Used by index.html only; other pages still use home_design.css.
   ========================================================================== */

:root {
    --ink-0: #060a13;
    --ink-1: #0a101e;
    --ink-2: #0e1626;
    --ink-3: #131c30;
    --line: rgba(148, 180, 255, 0.10);
    --line-strong: rgba(148, 180, 255, 0.22);
    --text-bright: #eef3fb;
    --text-body: #aab8cf;
    --text-dim: #6b7a93;
    --blue: #3da9fc;
    --blue-light: #79c0ff;
    --green: #3ddc97;
    --font-display: "Bricolage Grotesque", "IBM Plex Sans", sans-serif;
    --font-body: "IBM Plex Sans", sans-serif;
    --font-mono: "IBM Plex Mono", monospace;
    --maxw: 1180px;
    --radius: 14px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--ink-0);
    color: var(--text-body);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection {
    background: rgba(61, 169, 252, 0.35);
    color: #fff;
}

/* --------------------------------------------------------------------------
   Atmosphere: graticule grid + soft radial glows + grain. Static, no motion.
   -------------------------------------------------------------------------- */
.atmosphere {
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(900px 540px at 78% -10%, rgba(61, 169, 252, 0.13), transparent 60%),
        radial-gradient(700px 480px at 8% 22%, rgba(61, 220, 151, 0.05), transparent 60%),
        var(--ink-0);
}

.atmosphere::before {
    /* graticule — fine map-style grid with a stronger line every 5 cells */
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 180, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 180, 255, 0.045) 1px, transparent 1px),
        linear-gradient(rgba(148, 180, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 180, 255, 0.07) 1px, transparent 1px);
    background-size: 44px 44px, 44px 44px, 220px 220px, 220px 220px;
    mask-image: radial-gradient(ellipse 120% 90% at 50% 0%, black 30%, transparent 78%);
    -webkit-mask-image: radial-gradient(ellipse 120% 90% at 50% 0%, black 30%, transparent 78%);
}

.atmosphere::after {
    /* film grain */
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.5;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.04 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.container {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 2rem;
    background: rgba(6, 10, 19, 0.78);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
}

nav .logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
}

nav .logo-img {
    width: 34px;
    height: 34px;
}

nav .logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: 0.04em;
    color: var(--text-bright);
}

nav ul {
    display: flex;
    align-items: center;
    gap: 1.9rem;
    list-style: none;
}

nav ul a {
    color: var(--text-body);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

nav ul a:hover {
    color: var(--text-bright);
}

nav ul a.nav-early-access {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    color: var(--ink-0);
    background: var(--blue);
    padding: 0.5rem 1.05rem;
    border-radius: 999px;
    font-weight: 600;
    transition: background 0.2s, box-shadow 0.2s;
}

nav ul a.nav-early-access:hover {
    background: var(--blue-light);
    box-shadow: 0 0 22px rgba(61, 169, 252, 0.4);
    color: var(--ink-0);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    z-index: 102;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-bright);
    transition: transform 0.25s, opacity 0.25s;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(4, 7, 13, 0.7);
    z-index: 99;
}

.mobile-menu-overlay.active {
    display: block;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
    padding: 5rem 0 4rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 3.5rem;
    align-items: center;
}

.kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--green);
    border: 1px solid rgba(61, 220, 151, 0.28);
    background: rgba(61, 220, 151, 0.06);
    border-radius: 999px;
    padding: 0.42rem 0.95rem;
    margin-bottom: 1.6rem;
}

.kicker-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 0 rgba(61, 220, 151, 0.5);
    animation: kicker-pulse 2.4s ease-out infinite;
}

@keyframes kicker-pulse {
    0% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0.45); }
    70% { box-shadow: 0 0 0 9px rgba(61, 220, 151, 0); }
    100% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0); }
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 4.6vw, 3.7rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.015em;
    color: var(--text-bright);
    margin-bottom: 1.4rem;
}

.text-gradient {
    background: linear-gradient(100deg, var(--blue) 10%, var(--blue-light) 55%, #b7dcff 95%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-sub {
    font-size: 1.12rem;
    max-width: 34rem;
    margin-bottom: 2.1rem;
}

.hero-sub strong {
    color: var(--text-bright);
    font-weight: 600;
    display: block;
    margin-bottom: 0.5rem;
}

.cta-wrapper {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 0.9rem;
}

.btn-beam {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--blue);
    color: var(--ink-0);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    padding: 0.95rem 1.7rem;
    border-radius: 10px;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 6px 26px rgba(61, 169, 252, 0.28);
}

.btn-beam:hover {
    background: var(--blue-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 34px rgba(61, 169, 252, 0.42);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-bright);
    text-decoration: none;
    font-weight: 600;
    padding: 0.95rem 1.5rem;
    border: 1px solid var(--line-strong);
    border-radius: 10px;
    transition: border-color 0.2s, background 0.2s;
}

.btn-ghost:hover {
    border-color: var(--blue);
    background: rgba(61, 169, 252, 0.07);
}

.cta-microproof {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    letter-spacing: 0.02em;
}

/* Framed screenshot — desktop window chrome */
.hero-visual {
    position: relative;
}

.window-frame {
    position: relative;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    background: var(--ink-2);
    box-shadow:
        0 24px 70px rgba(2, 6, 16, 0.7),
        0 0 0 1px rgba(6, 10, 19, 0.6),
        0 0 90px rgba(61, 169, 252, 0.09);
    overflow: hidden;
    transform: perspective(1400px) rotateY(-3.5deg) rotateX(1.2deg);
    transition: transform 0.5s ease;
}

.hero-visual:hover .window-frame {
    transform: perspective(1400px) rotateY(0deg) rotateX(0deg);
}

.window-titlebar {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.6rem 0.9rem;
    background: var(--ink-3);
    border-bottom: 1px solid var(--line);
}

.window-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #2a3550;
}

.window-dot:nth-child(1) { background: #f87168; }
.window-dot:nth-child(2) { background: #f5c451; }
.window-dot:nth-child(3) { background: #3ddc97; }

.window-title {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-dim);
    margin-left: 0.5rem;
    letter-spacing: 0.03em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.window-frame img {
    display: block;
    width: 100%;
    height: auto;
}

.hero-visual-chip {
    position: absolute;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    color: var(--text-bright);
    background: rgba(10, 16, 30, 0.92);
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    padding: 0.32rem 0.8rem;
    backdrop-filter: blur(6px);
    box-shadow: 0 6px 22px rgba(2, 6, 16, 0.55);
    z-index: 2;
}

.hero-visual-chip::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--blue);
    margin-right: 0.45rem;
    vertical-align: 1px;
}

.hero-visual-chip--top-left { top: 14%; left: -1.4rem; }
.hero-visual-chip--mid-right { top: 46%; right: -1.2rem; }
.hero-visual-chip--bottom-left { bottom: 16%; left: -1rem; }

.hero-float-card {
    position: absolute;
    right: 6%;
    bottom: -1.6rem;
    display: flex;
    align-items: center;
    gap: 0.7rem;
    background: var(--ink-2);
    border: 1px solid rgba(61, 220, 151, 0.3);
    border-radius: 12px;
    padding: 0.75rem 1.05rem;
    box-shadow: 0 16px 44px rgba(2, 6, 16, 0.65);
    z-index: 3;
}

.hero-float-card__title {
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--text-bright);
    line-height: 1.3;
}

.hero-float-card__sub {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-dim);
}

.hero-visual-caption {
    margin-top: 2.6rem;
    font-size: 0.88rem;
    color: var(--text-dim);
    text-align: center;
}

.hero-visual-caption strong {
    color: var(--text-body);
}

/* --------------------------------------------------------------------------
   Metric proof bar
   -------------------------------------------------------------------------- */
.proof-bar {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: rgba(10, 16, 30, 0.55);
    margin-top: 4.5rem;
}

.proof-bar__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.proof-item {
    padding: 2rem 1.6rem;
    text-align: center;
    position: relative;
}

.proof-item + .proof-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 22%;
    bottom: 22%;
    width: 1px;
    background: var(--line);
}

.proof-item__value {
    font-family: var(--font-display);
    font-size: 2.1rem;
    font-weight: 700;
    color: var(--text-bright);
    line-height: 1.15;
}

.proof-item__value em {
    font-style: normal;
    color: var(--blue-light);
}

.proof-item__label {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-top: 0.45rem;
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.section {
    padding: 5.5rem 0;
}

.section-eyebrow {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 0.9rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.2vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.15;
    color: var(--text-bright);
    margin-bottom: 1rem;
    max-width: 36rem;
}

.section-lead {
    max-width: 42rem;
    margin-bottom: 3rem;
    font-size: 1.05rem;
}

.section-head--center {
    text-align: center;
}

.section-head--center .section-title,
.section-head--center .section-lead {
    margin-left: auto;
    margin-right: auto;
}

/* Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
    gap: 1.2rem;
}

.feature-card {
    position: relative;
    background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-1) 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.8rem 1.6rem;
    transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.feature-card:hover {
    border-color: rgba(61, 169, 252, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 18px 44px rgba(2, 6, 16, 0.5);
}

.feature-card i,
.feature-card svg {
    margin-bottom: 1.1rem;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.12rem;
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 0.6rem;
}

.feature-card p {
    font-size: 0.94rem;
    color: var(--text-body);
}

.feature-card__tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--blue-light);
    background: rgba(61, 169, 252, 0.08);
    border: 1px solid rgba(61, 169, 252, 0.22);
    border-radius: 5px;
    padding: 0.2rem 0.55rem;
    margin-top: 1.1rem;
}

/* Workflow rail */
.workflow-rail {
    counter-reset: step;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    position: relative;
}

.workflow-step {
    position: relative;
    background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-1) 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.6rem 1.3rem 1.5rem;
    transition: border-color 0.25s, transform 0.25s;
}

.workflow-step:hover {
    border-color: rgba(61, 169, 252, 0.4);
    transform: translateY(-4px);
}

.workflow-step__num {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.1em;
    color: var(--blue);
    display: block;
    margin-bottom: 0.9rem;
}

.workflow-step h3 {
    font-family: var(--font-display);
    font-size: 1.02rem;
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 0.5rem;
}

.workflow-step p {
    font-size: 0.86rem;
    color: var(--text-body);
}

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */
.faq-section {
    padding: 5.5rem 0;
}

.faq-container {
    max-width: 760px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--ink-1);
    margin-bottom: 0.8rem;
    overflow: hidden;
    transition: border-color 0.25s;
}

.faq-item.active {
    border-color: rgba(61, 169, 252, 0.4);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: none;
    border: none;
    color: var(--text-bright);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    padding: 1.15rem 1.35rem;
    cursor: pointer;
}

.faq-icon {
    flex-shrink: 0;
    color: var(--text-dim);
    transition: transform 0.3s;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: var(--blue);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.faq-item.active .faq-answer {
    max-height: 280px;
}

.faq-answer__inner {
    padding: 0 1.35rem 1.25rem;
    font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   Final CTA
   -------------------------------------------------------------------------- */
.cta-section {
    margin: 3rem 0 5rem;
}

.cta-panel {
    position: relative;
    text-align: center;
    border: 1px solid var(--line-strong);
    border-radius: 20px;
    padding: 4rem 2rem;
    background:
        radial-gradient(620px 280px at 50% -30%, rgba(61, 169, 252, 0.16), transparent 70%),
        linear-gradient(180deg, var(--ink-2) 0%, var(--ink-1) 100%);
    overflow: hidden;
}

.cta-panel h2 {
    font-family: var(--font-display);
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 1rem;
}

.cta-panel p {
    max-width: 36rem;
    margin: 0 auto 2rem;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
footer {
    border-top: 1px solid var(--line);
    padding: 3rem 0 2.5rem;
    background: rgba(6, 10, 19, 0.7);
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.footer-brand img {
    width: 28px;
    height: 28px;
}

.footer-brand span {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text-bright);
    letter-spacing: 0.04em;
}

.footer-cols {
    display: flex;
    gap: 4rem;
    flex-wrap: wrap;
}

.footer-col h4 {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 0.8rem;
}

.footer-col a {
    display: block;
    color: var(--text-body);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--text-bright);
}

.footer-meta {
    border-top: 1px solid var(--line);
    padding-top: 1.5rem;
    font-size: 0.82rem;
    color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   Load + scroll reveals
   -------------------------------------------------------------------------- */
.fade-up {
    opacity: 0;
    transform: translateY(18px);
    animation: fade-up 0.7s cubic-bezier(0.2, 0.7, 0.3, 1) forwards;
}

.fade-up.d1 { animation-delay: 0.08s; }
.fade-up.d2 { animation-delay: 0.18s; }
.fade-up.d3 { animation-delay: 0.3s; }
.fade-up.d4 { animation-delay: 0.42s; }
.fade-up.d5 { animation-delay: 0.55s; }

@keyframes fade-up {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.65s ease, transform 0.65s cubic-bezier(0.2, 0.7, 0.3, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .fade-up,
    .reveal {
        opacity: 1;
        transform: none;
        animation: none;
        transition: none;
    }

    .kicker-dot {
        animation: none;
    }

    html {
        scroll-behavior: auto;
    }
}

/* --------------------------------------------------------------------------
   Inner pages — shared components
   -------------------------------------------------------------------------- */

nav ul a[aria-current="page"] {
    color: var(--blue-light);
}

.page-hero {
    padding: 4.5rem 0 1rem;
    text-align: center;
}

.page-hero .kicker {
    margin-left: auto;
    margin-right: auto;
}

.page-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4.2vw, 3.3rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.015em;
    color: var(--text-bright);
    margin-bottom: 1.2rem;
}

.page-hero .section-lead {
    margin: 0 auto;
}

/* Alternating feature rows (features page) */
.feature-rows {
    display: flex;
    flex-direction: column;
    gap: 4.5rem;
    margin-top: 3.5rem;
}

.feature-row {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 3rem;
    align-items: center;
}

.feature-row:nth-child(even) .feature-row__text {
    order: 2;
}

.feature-row:nth-child(even) .feature-row__visual {
    order: 1;
}

.feature-row__text .feature-row__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 11px;
    background: rgba(61, 169, 252, 0.09);
    border: 1px solid rgba(61, 169, 252, 0.25);
    color: var(--blue);
    margin-bottom: 1.1rem;
}

.feature-row__text h3 {
    font-family: var(--font-display);
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 0.8rem;
}

.feature-row__text p {
    font-size: 0.98rem;
}

.feature-row__text strong {
    display: block;
    color: var(--text-body);
    font-weight: 600;
    color: #c8d4e6;
    margin-bottom: 0.4rem;
}

.feature-row__visual {
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    background: var(--ink-2);
    overflow: hidden;
    box-shadow: 0 18px 50px rgba(2, 6, 16, 0.55);
}

.feature-row__visual img {
    display: block;
    width: 100%;
    height: auto;
}

/* Technical specs */
.spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.2rem;
    margin-top: 2.5rem;
}

.spec-item {
    background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-1) 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.6rem 1.5rem;
}

.spec-item h4 {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 0.8rem;
}

.spec-item p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.spec-item strong {
    color: var(--text-bright);
    font-weight: 600;
}

/* Fit cards (early access page) */
.fit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.2rem;
    margin: 2.5rem 0;
}

.fit-card {
    border-radius: var(--radius);
    padding: 1.8rem 1.7rem;
    border: 1px solid var(--line);
    background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-1) 100%);
}

.fit-card h2 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-bright);
}

.fit-card ul {
    list-style: none;
    padding: 0;
}

.fit-card li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.7rem;
    font-size: 0.93rem;
}

.fit-card--good {
    border-color: rgba(61, 220, 151, 0.3);
}

.fit-card--good li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: 700;
}

.fit-card--caution {
    border-color: rgba(245, 196, 81, 0.28);
}

.fit-card--caution li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: #f5c451;
    font-weight: 700;
}

/* Use-case cards */
.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
    gap: 1.2rem;
}

.use-case-card {
    background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-1) 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.8rem 1.7rem;
    transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.use-case-card:hover {
    border-color: rgba(61, 169, 252, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 18px 44px rgba(2, 6, 16, 0.5);
}

.use-case-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 11px;
    background: rgba(61, 169, 252, 0.09);
    border: 1px solid rgba(61, 169, 252, 0.25);
    color: var(--blue);
    margin-bottom: 1rem;
}

.use-case-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 0.6rem;
}

.use-case-card__summary {
    font-size: 0.93rem;
    margin-bottom: 1.2rem;
}

.use-case-card dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.5rem 0.9rem;
    border-top: 1px solid var(--line);
    padding-top: 1.1rem;
}

.use-case-card dt {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--blue);
    padding-top: 0.15rem;
    white-space: nowrap;
}

.use-case-card dd {
    font-size: 0.86rem;
    color: var(--text-body);
    margin: 0;
}

/* Intent cards note (contact page) */
.intent-note {
    max-width: 760px;
    margin: 1.6rem auto 0;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.92rem;
}

.feature-card a {
    color: var(--blue-light);
    text-decoration: none;
    font-weight: 600;
}

.feature-card a:hover {
    text-decoration: underline;
}

/* Forms */
.contact-card {
    background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-1) 100%);
    border: 1px solid var(--line-strong);
    border-radius: 18px;
    padding: 2.6rem;
    max-width: 680px;
    margin: 3rem auto 0;
    box-shadow: 0 24px 60px rgba(2, 6, 16, 0.55);
}

.form-group {
    margin-bottom: 1.4rem;
}

.form-group label {
    display: block;
    color: var(--text-bright);
    margin-bottom: 0.45rem;
    font-weight: 600;
    font-size: 0.92rem;
}

.form-group label .optional {
    color: var(--text-dim);
    font-weight: 400;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--ink-0);
    border: 1px solid var(--line-strong);
    border-radius: 10px;
    color: var(--text-bright);
    font-family: var(--font-body);
    font-size: 0.97rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-dim);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(61, 169, 252, 0.15);
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--blue) 50%),
        linear-gradient(135deg, var(--blue) 50%, transparent 50%);
    background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%;
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
    padding-right: 2.5rem;
}

.form-group select option {
    background: var(--ink-1);
    color: var(--text-bright);
}

.form-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: 0.45rem;
}

.privacy-note {
    font-size: 0.82rem;
    color: var(--text-dim);
    margin-bottom: 1rem;
}

.checkbox-field {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: var(--text-body);
    margin-bottom: 1.4rem;
    cursor: pointer;
}

.checkbox-field input {
    margin-top: 0.25rem;
    accent-color: var(--blue);
}

.btn-submit {
    width: 100%;
    padding: 1rem 1.2rem;
    background: var(--blue);
    color: var(--ink-0);
    border: none;
    border-radius: 10px;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 6px 26px rgba(61, 169, 252, 0.25);
}

.btn-submit:hover {
    background: var(--blue-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 34px rgba(61, 169, 252, 0.4);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: wait;
    transform: none;
}

.form-status {
    display: none;
    margin-top: 1rem;
    padding: 0.85rem 1.1rem;
    border-radius: 10px;
    font-size: 0.95rem;
    line-height: 1.5;
    border: 1px solid transparent;
}

.form-status--pending {
    background: rgba(61, 169, 252, 0.08);
    border-color: rgba(61, 169, 252, 0.35);
    color: #9fd0ff;
}

.form-status--success {
    background: rgba(61, 220, 151, 0.1);
    border-color: rgba(61, 220, 151, 0.4);
    color: #8be8bd;
}

.form-status--error {
    background: rgba(248, 81, 73, 0.1);
    border-color: rgba(248, 81, 73, 0.45);
    color: #ffa198;
}

.funnel-note,
.post-submit {
    max-width: 680px;
    margin: 2rem auto 0;
    font-size: 0.92rem;
    color: var(--text-dim);
    text-align: center;
    line-height: 1.7;
}

.funnel-note strong,
.post-submit strong {
    color: var(--text-body);
    display: block;
    margin-bottom: 0.3rem;
}

.funnel-note a,
.post-submit a {
    color: var(--blue-light);
    text-decoration: none;
}

.funnel-note a:hover,
.post-submit a:hover {
    text-decoration: underline;
}

.post-submit p + p {
    margin-top: 1rem;
}

/* Resource Center — breadcrumb, filters, listing cards */
nav.breadcrumb {
    /* reset the top-nav element styles the bare `nav` selector applies */
    position: static;
    display: block;
    justify-content: initial;
    padding: 0;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: none;
    z-index: auto;
}

.breadcrumb {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 1.2rem;
}

.breadcrumb a {
    color: var(--blue-light);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 0.35rem;
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem 2rem;
    align-items: center;
    padding: 1.1rem 1.4rem;
    background: var(--ink-1);
    border: 1px solid var(--line);
    border-radius: 14px;
    margin-bottom: 2.4rem;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.filter-group label {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-dim);
    white-space: nowrap;
}

.filter-group select {
    padding: 0.5rem 2.2rem 0.5rem 0.8rem;
    background: var(--ink-0);
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    color: var(--text-bright);
    font-family: var(--font-body);
    font-size: 0.88rem;
    appearance: none;
    -webkit-appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--blue) 50%),
        linear-gradient(135deg, var(--blue) 50%, transparent 50%);
    background-position: calc(100% - 16px) 50%, calc(100% - 11px) 50%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    cursor: pointer;
}

.filter-group select:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(61, 169, 252, 0.15);
}

.filter-group select option {
    background: var(--ink-1);
    color: var(--text-bright);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
    gap: 1.4rem;
}

.article-card {
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-1) 100%);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 1.8rem;
    transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.article-card:hover {
    border-color: var(--line-strong);
    transform: translateY(-3px);
    box-shadow: 0 18px 44px rgba(2, 6, 16, 0.5);
}

.article-card h3 {
    font-family: var(--font-display);
    font-size: 1.18rem;
    line-height: 1.35;
    color: var(--text-bright);
    margin: 0 0 0.7rem;
}

.article-card > p {
    color: var(--text-body);
    font-size: 0.93rem;
    line-height: 1.65;
    margin: 0;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.article-meta span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.22rem 0.6rem;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
    color: var(--text-dim);
}

.article-meta .category {
    color: var(--blue-light);
    border-color: rgba(61, 169, 252, 0.4);
    background: rgba(61, 169, 252, 0.07);
}

.article-meta .level {
    color: var(--green);
    border-color: rgba(61, 220, 151, 0.35);
    background: rgba(61, 220, 151, 0.06);
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 1.3rem;
}

.article-footer .date,
.article-footer .article-tags {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--text-dim);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--blue-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
}

.read-more:hover {
    text-decoration: underline;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
    gap: 1.6rem;
    max-width: 880px;
    margin: 0 auto;
}

.resource-category {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-1) 100%);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 2.6rem 2rem;
    transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.resource-category:hover {
    border-color: var(--line-strong);
    transform: translateY(-3px);
    box-shadow: 0 18px 44px rgba(2, 6, 16, 0.5);
}

.resource-category .resource-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(61, 169, 252, 0.08);
    border: 1px solid rgba(61, 169, 252, 0.3);
    margin-bottom: 1.4rem;
}

.resource-category h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--text-bright);
    margin: 0 0 0.7rem;
}

.resource-category p {
    color: var(--text-body);
    font-size: 0.95rem;
    line-height: 1.65;
    margin: 0 0 1.6rem;
}

.resource-category .btn-ghost {
    margin-top: auto;
}

/* Articles — long-form content pages */
.article-content {
    max-width: 56rem;
    margin: 0 auto;
    padding: 0 1.5rem 3rem;
}

.article-header {
    text-align: center;
    padding: 3.5rem 0 2.2rem;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--line);
}

.article-header .breadcrumb {
    margin-bottom: 1.4rem;
}

.article-header h1 {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 3.4vw, 2.7rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.015em;
    color: var(--text-bright);
    margin: 0 0 1.2rem;
}

.article-header > p,
.article-header .container > p {
    color: var(--text-body);
    font-size: 1.08rem;
    max-width: 44rem;
    margin: 0 auto 1.4rem;
}

.article-header .article-meta {
    justify-content: center;
    margin-top: 1.4rem;
    margin-bottom: 0;
}

.article-body {
    font-size: 1.02rem;
    line-height: 1.8;
    color: var(--text-body);
}

.article-body h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--text-bright);
    margin: 2.8rem 0 1.1rem;
    padding-left: 0.9rem;
    border-left: 3px solid var(--blue);
}

.article-body h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--text-bright);
    margin: 2.1rem 0 0.8rem;
}

.article-body h4 {
    font-size: 1.05rem;
    color: var(--text-bright);
    margin: 1.6rem 0 0.6rem;
}

.article-body p {
    margin: 0 0 1.3rem;
}

.article-body ul,
.article-body ol {
    margin: 0 0 1.3rem;
    padding-left: 1.6rem;
}

.article-body li {
    margin-bottom: 0.55rem;
}

.article-body strong {
    color: var(--text-bright);
}

.article-body a {
    color: var(--blue-light);
    text-decoration: none;
}

.article-body a:hover {
    text-decoration: underline;
}

.article-body code {
    font-family: var(--font-mono);
    font-size: 0.88em;
    background: var(--ink-1);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 0.12rem 0.4rem;
    color: var(--blue-light);
}

.article-body pre {
    background: var(--ink-1);
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    padding: 1.3rem 1.5rem;
    overflow-x: auto;
    margin: 0 0 1.6rem;
}

.article-body pre code {
    background: none;
    border: none;
    padding: 0;
    color: var(--text-body);
    font-size: 0.86rem;
    line-height: 1.65;
}

.article-body blockquote {
    border-left: 3px solid var(--blue);
    background: rgba(61, 169, 252, 0.05);
    border-radius: 0 10px 10px 0;
    padding: 1rem 1.4rem;
    margin: 0 0 1.6rem;
    color: var(--text-body);
    font-style: italic;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 1.8rem;
    font-size: 0.92rem;
    display: block;
    overflow-x: auto;
}

.article-body th,
.article-body td {
    border: 1px solid var(--line-strong);
    padding: 0.65rem 0.9rem;
    text-align: left;
    vertical-align: top;
}

.article-body th {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--blue-light);
    background: var(--ink-1);
    white-space: nowrap;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    box-shadow: 0 14px 38px rgba(2, 6, 16, 0.45);
}

.article-image-container {
    margin: 2rem 0;
    text-align: center;
}

.concept-image {
    display: block;
    margin: 2rem auto;
}

.caption {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-top: 0.7rem;
    font-style: italic;
}

/* Info boxes */
.toc,
.feature-block,
.highlight-box,
.comparison-card,
.framework-card {
    background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-1) 100%);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 1.5rem 1.7rem;
    margin: 1.8rem 0;
}

.toc h2,
.toc h3 {
    border: none;
    padding: 0;
    margin: 0 0 0.8rem;
    font-size: 1.05rem;
}

.toc ul,
.toc ol {
    margin-bottom: 0;
}

.feature-block h3,
.comparison-card h3,
.framework-card h3 {
    margin-top: 0;
    color: var(--blue-light);
}

.highlight-box {
    border-color: rgba(61, 169, 252, 0.35);
    background: rgba(61, 169, 252, 0.06);
}

.highlight-box h4 {
    margin-top: 0;
    color: var(--blue-light);
}

.warning-box,
.important-note {
    border: 1px solid rgba(245, 158, 11, 0.35);
    border-left: 3px solid #f59e0b;
    background: rgba(245, 158, 11, 0.07);
    border-radius: 0 12px 12px 0;
    padding: 1.2rem 1.5rem;
    margin: 1.8rem 0;
}

.warning-box strong,
.important-note strong {
    color: #fbbf24;
}

.pros-cons,
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
    gap: 1.2rem;
    margin: 1.8rem 0;
}

.pros,
.cons {
    border-radius: 14px;
    padding: 1.3rem 1.5rem;
}

.pros {
    border: 1px solid rgba(61, 220, 151, 0.35);
    background: rgba(61, 220, 151, 0.06);
}

.cons {
    border: 1px solid rgba(248, 81, 73, 0.35);
    background: rgba(248, 81, 73, 0.06);
}

.pros h3, .pros h4 { color: var(--green); margin-top: 0; }
.cons h3, .cons h4 { color: #ffa198; margin-top: 0; }

.pros ul, .cons ul {
    margin-bottom: 0;
}

.checklist {
    list-style: none;
    padding-left: 0.2rem;
}

.checklist li {
    padding-left: 1.7rem;
    position: relative;
}

.checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: 700;
}

.references {
    border-top: 1px solid var(--line);
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    font-size: 0.92rem;
    color: var(--text-dim);
}

.lead {
    font-size: 1.18rem;
    color: var(--text-bright);
    line-height: 1.7;
}

.back-to-articles,
.back-to-guides {
    text-align: center;
    margin: 3rem 0 1rem;
}

.back-to-articles a,
.back-to-guides a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.6rem;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    color: var(--text-bright);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: border-color 0.2s, background 0.2s;
}

.back-to-articles a:hover,
.back-to-guides a:hover {
    border-color: var(--blue);
    background: rgba(61, 169, 252, 0.08);
}

/* End-of-article CTA */
.article-cta {
    text-align: center;
    background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-1) 100%);
    border: 1px solid rgba(61, 169, 252, 0.3);
    border-radius: 16px;
    padding: 2.2rem 1.8rem;
    margin: 3rem 0 0;
}

.article-cta h3 {
    font-family: var(--font-display);
    color: var(--text-bright);
    margin: 0 0 0.6rem;
    font-size: 1.35rem;
}

.article-cta p {
    color: var(--text-body);
    max-width: 36rem;
    margin: 0 auto 1.4rem;
}

/* Team contact — plan checklist + two-column form rows */
.feature-overview {
    background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-1) 100%);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 2rem 2.2rem;
    max-width: 800px;
    margin: 0 auto 2.6rem;
}

.feature-overview h3 {
    font-family: var(--font-display);
    color: var(--text-bright);
    text-align: center;
    margin: 0 0 1.4rem;
}

.checklist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(230px, 100%), 1fr));
    gap: 0.9rem 1.5rem;
}

.checklist-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    color: var(--text-body);
    font-size: 0.95rem;
}

.checklist-item svg,
.checklist-item i {
    color: var(--green);
    flex-shrink: 0;
    margin-top: 2px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 1.4rem;
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

/* Dashboard (account area) */
.dashboard-section {
    padding: 4.5rem 0;
    min-height: 70vh;
}

.dashboard-header {
    margin-bottom: 3rem;
    text-align: center;
}

.dashboard-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.6vw, 2.8rem);
    color: var(--text-bright);
    margin-bottom: 0.5rem;
}

.dashboard-header p {
    color: var(--text-dim);
    font-size: 1.05rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(350px, 100%), 1fr));
    gap: 1.6rem;
}

.dashboard-card {
    background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-1) 100%);
    border: 1px solid var(--line);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.dashboard-card:hover {
    border-color: var(--line-strong);
    transform: translateY(-3px);
    box-shadow: 0 18px 44px rgba(2, 6, 16, 0.5);
}

.card-header {
    padding: 1.3rem 1.5rem;
    border-bottom: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin: 0;
    color: var(--text-bright);
}

.card-content {
    padding: 1.5rem;
    flex-grow: 1;
}

.status-badge {
    font-family: var(--font-mono);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.active {
    background: rgba(61, 220, 151, 0.1);
    color: var(--green);
    border: 1px solid rgba(61, 220, 151, 0.35);
}

.status-badge.inactive {
    background: rgba(248, 81, 73, 0.12);
    color: #ffa198;
    border: 1px solid rgba(248, 81, 73, 0.35);
}

.status-badge.loading {
    background: var(--ink-0);
    color: var(--text-dim);
    border: 1px solid var(--line-strong);
}

.action-buttons {
    display: grid;
    gap: 0.9rem;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--ink-0);
    border: 1px solid var(--line);
    border-radius: 12px;
    color: var(--text-bright);
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s;
}

.action-btn:hover {
    background: rgba(61, 169, 252, 0.07);
    border-color: var(--blue);
}

.btn-icon {
    font-size: 1.4rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--line);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--text-dim);
}

.info-value {
    color: var(--text-bright);
    font-weight: 500;
    overflow-wrap: anywhere;
    text-align: right;
}

/* Subscription details injected by dashboard.js */
.subscription-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.plan-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.plan-name {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-bright);
}

.plan-badge {
    font-family: var(--font-mono);
    background: var(--blue);
    color: var(--ink-0);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    font-weight: 600;
    text-transform: uppercase;
}

.plan-badge.free {
    background: var(--ink-0);
    color: var(--text-dim);
    border: 1px solid var(--line-strong);
}

.plan-badge.pro {
    background: var(--blue);
}

.plan-badge.elit {
    background: var(--blue-light);
}

.subscription-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.meta-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.meta-label {
    color: var(--text-dim);
    font-weight: 500;
}

.meta-value {
    color: var(--text-bright);
    font-weight: 600;
}

.upgrade-section {
    margin-top: 1rem;
    padding: 1.2rem;
    background: rgba(61, 169, 252, 0.06);
    border-radius: 12px;
    border: 1px solid rgba(61, 169, 252, 0.3);
}

.upgrade-section p {
    margin: 0 0 1rem;
    color: var(--text-body);
    text-align: center;
}

.upgrade-buttons {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.upgrade-btn {
    flex: 1;
    padding: 0.6rem 1rem;
    border: none;
    border-radius: 10px;
    background: var(--blue);
    color: var(--ink-0);
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    min-width: 120px;
}

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

.error-message {
    color: #ffa198;
    text-align: center;
    padding: 1rem 0;
}

/* Billing list */
.billing-card .card-content {
    padding: 0 1.5rem;
}

#billingHistory {
    display: flex;
    flex-direction: column;
    max-height: 320px;
    overflow-y: auto;
    padding: 0.5rem 0;
}

.billing-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--line);
}

.billing-item:last-child {
    border-bottom: none;
}

.billing-details {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
    flex: 1;
}

.billing-date {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-dim);
}

.billing-description {
    font-size: 0.95rem;
    color: var(--text-bright);
    overflow-wrap: anywhere;
}

.billing-amount {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--blue-light);
    font-size: 0.95rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.no-billing {
    text-align: center;
    color: var(--text-dim);
    padding: 1.5rem 0;
}

/* Loading overlay + spinner (auth/dashboard) */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 16, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.loading-spinner {
    text-align: center;
    color: var(--blue);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(61, 169, 252, 0.3);
    border-radius: 50%;
    border-top-color: var(--blue);
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 900px) {
    .feature-row {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.6rem;
    }

    .feature-row:nth-child(even) .feature-row__text {
        order: 1;
    }

    .feature-row:nth-child(even) .feature-row__visual {
        order: 2;
    }
}

@media (max-width: 640px) {
    .contact-card {
        padding: 1.6rem 1.3rem;
    }

    .use-case-card dl {
        grid-template-columns: 1fr;
        gap: 0.2rem;
    }

    .use-case-card dd {
        margin-bottom: 0.7rem;
    }
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1020px) {
    .hero-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 3rem;
    }

    .hero-content,
    .hero-visual {
        min-width: 0;
    }

    .hero-visual {
        max-width: 640px;
        margin: 0 auto;
        width: 100%;
    }

    .window-frame {
        transform: none;
    }

    .proof-bar__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .proof-item:nth-child(3)::before {
        display: none;
    }

    .proof-item {
        border-top: 1px solid var(--line);
    }

    .proof-item:nth-child(-n+2) {
        border-top: none;
    }

    .workflow-rail {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    nav {
        padding: 0.8rem 1.2rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    nav ul {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(78vw, 320px);
        flex-direction: column;
        align-items: flex-start;
        gap: 1.6rem;
        background: var(--ink-1);
        border-left: 1px solid var(--line);
        padding: 5.5rem 2rem 2rem;
        transform: translateX(105%);
        transition: transform 0.3s ease;
        z-index: 101;
    }

    nav ul.active,
    nav ul.mobile-menu-open {
        transform: translateX(0);
    }

    .hero {
        padding-top: 3rem;
    }

    .hero-visual-chip--top-left { left: 0.5rem; }
    .hero-visual-chip--mid-right { right: 0.5rem; }
    .hero-visual-chip--bottom-left { left: 0.5rem; }

    .hero-float-card {
        position: static;
        margin-top: 1.2rem;
        justify-content: center;
    }

    .hero-visual-caption {
        margin-top: 1.4rem;
    }

    .workflow-rail {
        grid-template-columns: 1fr;
    }

    .footer-cols {
        gap: 2.2rem;
    }
}

@media (max-width: 540px) {
    .proof-bar__grid {
        grid-template-columns: 1fr;
    }

    .proof-item + .proof-item::before {
        display: none;
    }

    .proof-item {
        border-top: 1px solid var(--line);
        padding: 1.4rem 1rem;
    }

    .proof-item:first-child {
        border-top: none;
    }

    .cta-wrapper .btn-beam,
    .cta-wrapper .btn-ghost {
        width: 100%;
        justify-content: center;
    }
}