:root {
    /* =========================================================
       STAFFIX AI — DESIGN SYSTEM
       ========================================================= */

    /* Brand */
    --color-brand-50: #eef6ff;
    --color-brand-100: #d9ebff;
    --color-brand-200: #b9dcff;
    --color-brand-300: #8cc7ff;
    --color-brand-400: #5baeff;
    --color-brand-500: #318cff;
    --color-brand-600: #1877f2;
    --color-brand-700: #1260d4;
    --color-brand-800: #124eaa;
    --color-brand-900: #143f85;

    /* Accent */
    --color-accent: #7c5cff;
    --color-accent-soft: rgba(124, 92, 255, 0.14);

    /* Background */
    --color-bg: #070b14;
    --color-bg-secondary: #0b1120;
    --color-surface: #0f1728;
    --color-surface-raised: #131d31;
    --color-surface-hover: #17233a;

    /* Text */
    --color-text-primary: #f7f9fc;
    --color-text-secondary: #aeb9ca;
    --color-text-muted: #718096;
    --color-text-disabled: #4c596d;

    /* Borders */
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-strong: rgba(255, 255, 255, 0.14);

    /* Status */
    --color-success: #32d583;
    --color-warning: #fdb022;
    --color-danger: #f97066;
    --color-info: #53b1fd;

    /* Typography */
    --font-sans:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    --font-mono:
        "SFMono-Regular",
        Consolas,
        "Liberation Mono",
        monospace;

    /* Font sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-md: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Font weights */
    --weight-normal: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;
    --weight-extrabold: 800;

    /* Radius */
    --radius-xs: 6px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.18);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.24);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.32);
    --shadow-glow: 0 0 50px rgba(49, 140, 255, 0.12);

    /* Layout */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1200px;
    --container-2xl: 1400px;

    /* Navigation */
    --navbar-height: 72px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 220ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}


/* =========================================================
   RESET
   ========================================================= */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(
            circle at 15% 10%,
            rgba(49, 140, 255, 0.08),
            transparent 28%
        ),
        radial-gradient(
            circle at 85% 15%,
            rgba(124, 92, 255, 0.07),
            transparent 26%
        ),
        var(--color-bg);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    font-size: var(--text-md);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img,
svg {
    display: block;
    max-width: 100%;
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    border: 0;
}

a {
    color: inherit;
    text-decoration: none;
}

::selection {
    background: rgba(49, 140, 255, 0.28);
    color: #ffffff;
}


/* =========================================================
   TYPOGRAPHY
   ========================================================= */

h1,
h2,
h3,
h4,
h5,
h6,
p {
    margin-top: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-text-primary);
    font-weight: var(--weight-bold);
    letter-spacing: -0.025em;
}

h1 {
    font-size: clamp(2.25rem, 5vw, var(--text-6xl));
    line-height: 1.05;
}

h2 {
    font-size: clamp(1.875rem, 4vw, var(--text-5xl));
    line-height: 1.1;
}

h3 {
    font-size: var(--text-2xl);
    line-height: 1.25;
}

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

.text-muted {
    color: var(--color-text-muted);
}

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

.text-primary {
    color: var(--color-text-primary);
}


/* =========================================================
   LAYOUT
   ========================================================= */

.container {
    width: min(calc(100% - 40px), var(--container-xl));
    margin-inline: auto;
}

.container-wide {
    width: min(calc(100% - 40px), var(--container-2xl));
    margin-inline: auto;
}

.section {
    padding-block: 96px;
}

.section-sm {
    padding-block: 64px;
}

.section-lg {
    padding-block: 128px;
}


/* =========================================================
   SITE HEADER
   ========================================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;

    height: var(--navbar-height);

    background: rgba(7, 11, 20, 0.76);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);

    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.site-header__inner {
    width: min(calc(100% - 40px), var(--container-xl));
    height: 100%;
    margin-inline: auto;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}


/* =========================================================
   BRAND
   ========================================================= */

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;

    flex-shrink: 0;
}

.brand__mark {
    width: 36px;
    height: 36px;

    display: grid;
    place-items: center;

    border-radius: 11px;

    color: #ffffff;
    font-size: 15px;
    font-weight: 800;

    background:
        linear-gradient(
            135deg,
            var(--color-brand-500),
            var(--color-accent)
        );

    box-shadow:
        0 8px 24px rgba(49, 140, 255, 0.24);
}

.brand__name {
    color: #ffffff;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.02em;
}


/* =========================================================
   NAVIGATION
   ========================================================= */

.site-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.site-nav__link {
    position: relative;

    padding: 8px 12px;

    color: var(--color-text-secondary);

    border-radius: 9px;

    font-size: 14px;
    font-weight: 500;

    transition:
        color var(--transition-fast),
        background var(--transition-fast);
}

.site-nav__link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: 9px;
}

.header-login {
    color: var(--color-text-secondary);

    font-size: 14px;
    font-weight: 600;

    padding: 9px 12px;

    border-radius: 9px;

    transition:
        color var(--transition-fast),
        background var(--transition-fast);
}

.header-login:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
}

.mobile-menu-button {
    display: none;

    width: 42px;
    height: 42px;

    align-items: center;
    justify-content: center;

    color: #ffffff;

    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: 10px;

    cursor: pointer;
}


/* =========================================================
   MOBILE NAV
   ========================================================= */

.mobile-nav {
    display: none;

    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;

    padding: 14px;

    background: rgba(7, 11, 20, 0.97);
    border-bottom: 1px solid var(--color-border);

    box-shadow: var(--shadow-lg);

    backdrop-filter: blur(20px);
}

.mobile-nav.is-open {
    display: block;
}

.mobile-nav a {
    display: block;

    padding: 13px 14px;

    color: var(--color-text-secondary);

    border-radius: 10px;

    font-weight: 500;
}

.mobile-nav a:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
}


/* =========================================================
   GLASS / SURFACES
   ========================================================= */

.glass {
    background: rgba(15, 23, 40, 0.68);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.surface {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

.surface-raised {
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
}


/* =========================================================
   BUTTONS
   ========================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;

    min-height: 44px;
    padding: 0 18px;

    border-radius: var(--radius-md);

    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);

    cursor: pointer;

    transition:
        transform var(--transition-fast),
        background var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        opacity var(--transition-fast);
}

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

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    color: #ffffff;

    background:
        linear-gradient(
            135deg,
            var(--color-brand-600),
            var(--color-accent)
        );

    box-shadow:
        0 8px 24px rgba(49, 140, 255, 0.22);
}

.btn-primary:hover {
    box-shadow:
        0 10px 30px rgba(49, 140, 255, 0.30);
}

.btn-secondary {
    color: var(--color-text-primary);

    background: rgba(255, 255, 255, 0.04);

    border: 1px solid var(--color-border-strong);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.07);
}

.btn-ghost {
    color: var(--color-text-secondary);
    background: transparent;
}

.btn-ghost:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-danger {
    color: #ffffff;
    background: var(--color-danger);
}

.btn-sm {
    min-height: 36px;
    padding-inline: 14px;
    font-size: var(--text-xs);
    border-radius: var(--radius-sm);
}

.btn-lg {
    min-height: 52px;
    padding-inline: 24px;
    font-size: var(--text-md);
}


/* =========================================================
   HOME — HERO
   ========================================================= */

.hero {
    position: relative;
    overflow: hidden;

    min-height: calc(100vh - var(--navbar-height));

    display: flex;
    align-items: center;

    padding: 90px 0 110px;
}

.hero__glow {
    position: absolute;

    width: 620px;
    height: 620px;

    right: -180px;
    top: 30px;

    background:
        radial-gradient(
            circle,
            rgba(49, 140, 255, 0.17),
            rgba(124, 92, 255, 0.08) 35%,
            transparent 70%
        );

    filter: blur(10px);

    pointer-events: none;
}

.hero__container {
    position: relative;
    z-index: 1;

    width: min(calc(100% - 40px), var(--container-xl));
    margin-inline: auto;

    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(440px, 0.92fr);
    align-items: center;
    gap: 70px;
}

.hero__content {
    max-width: 680px;
}

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    margin-bottom: 24px;
    padding: 7px 12px;

    color: #b9dcff;

    background: rgba(49, 140, 255, 0.08);

    border: 1px solid rgba(49, 140, 255, 0.18);
    border-radius: var(--radius-full);

    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.hero__eyebrow::before {
    content: "";

    width: 7px;
    height: 7px;

    border-radius: 50%;

    background: var(--color-success);

    box-shadow:
        0 0 0 4px rgba(50, 213, 131, 0.10);
}

.hero h1 {
    max-width: 720px;

    margin-bottom: 24px;

    font-size: clamp(3.1rem, 6vw, 5.4rem);
    line-height: 0.98;

    letter-spacing: -0.055em;
}

.hero__description {
    max-width: 630px;

    margin-bottom: 32px;

    color: var(--color-text-secondary);

    font-size: 18px;
    line-height: 1.75;
}

.hero__actions {
    display: flex;
    align-items: center;
    gap: 12px;

    margin-bottom: 28px;
}

.hero__trust {
    display: flex;
    align-items: center;
    gap: 10px;

    color: var(--color-text-muted);

    font-size: 13px;
}

.hero__trust strong {
    color: var(--color-text-secondary);
}


/* =========================================================
   HOME — HERO DASHBOARD PREVIEW
   ========================================================= */

.hero__visual {
    position: relative;
}

.hero-dashboard {
    position: relative;

    width: 100%;

    padding: 14px;

    background:
        linear-gradient(
            145deg,
            rgba(20, 29, 49, 0.96),
            rgba(10, 16, 29, 0.96)
        );

    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 24px;

    box-shadow:
        0 35px 90px rgba(0, 0, 0, 0.45),
        0 0 80px rgba(49, 140, 255, 0.09);

    transform: perspective(1200px) rotateY(-3deg) rotateX(2deg);

    transition:
        transform 500ms ease,
        box-shadow 500ms ease;
}

.hero-dashboard:hover {
    transform: perspective(1200px) rotateY(0deg) rotateX(0deg);

    box-shadow:
        0 40px 100px rgba(0, 0, 0, 0.50),
        0 0 100px rgba(49, 140, 255, 0.13);
}

.hero-dashboard__bar {
    height: 36px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 0 9px 0 7px;
}

.hero-dashboard__dots {
    display: flex;
    gap: 5px;
}

.hero-dashboard__dot {
    width: 7px;
    height: 7px;

    border-radius: 50%;

    background: rgba(255, 255, 255, 0.20);
}

.hero-dashboard__title {
    color: var(--color-text-muted);
    font-size: 10px;
    font-weight: 600;
}

.hero-dashboard__body {
    display: grid;
    grid-template-columns: 105px minmax(0, 1fr);

    min-height: 360px;

    overflow: hidden;

    background: #0a101d;

    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 15px;
}

.hero-dashboard__sidebar {
    padding: 15px 10px;

    background: rgba(255, 255, 255, 0.018);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-dashboard__logo {
    width: 25px;
    height: 25px;

    display: grid;
    place-items: center;

    margin-bottom: 24px;

    color: white;

    background:
        linear-gradient(
            135deg,
            var(--color-brand-500),
            var(--color-accent)
        );

    border-radius: 7px;

    font-size: 9px;
    font-weight: 800;
}

.hero-dashboard__side-item {
    height: 24px;

    display: flex;
    align-items: center;
    gap: 7px;

    margin-bottom: 7px;
    padding: 0 7px;

    color: var(--color-text-muted);

    border-radius: 6px;

    font-size: 8px;
}

.hero-dashboard__side-item.active {
    color: #ffffff;
    background: rgba(49, 140, 255, 0.12);
}

.hero-dashboard__main {
    padding: 20px;
}

.hero-dashboard__heading {
    margin-bottom: 18px;
}

.hero-dashboard__heading-label {
    margin-bottom: 4px;

    color: var(--color-text-muted);

    font-size: 8px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.hero-dashboard__heading-title {
    color: #ffffff;

    font-size: 17px;
    font-weight: 700;
}

.hero-dashboard__metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 9px;

    margin-bottom: 12px;
}

.hero-dashboard__metric {
    padding: 12px;

    background: rgba(255, 255, 255, 0.025);

    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
}

.hero-dashboard__metric-label {
    color: var(--color-text-muted);

    font-size: 7px;
}

.hero-dashboard__metric-value {
    margin-top: 5px;

    color: #ffffff;

    font-size: 15px;
    font-weight: 700;
}

.hero-dashboard__chart {
    height: 125px;

    display: flex;
    align-items: flex-end;
    gap: 7px;

    padding: 15px;

    background: rgba(255, 255, 255, 0.025);

    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
}

.hero-dashboard__bar-chart {
    flex: 1;

    min-height: 20px;

    background:
        linear-gradient(
            180deg,
            var(--color-brand-400),
            rgba(49, 140, 255, 0.22)
        );

    border-radius: 4px 4px 2px 2px;

    opacity: 0.82;
}

.hero-dashboard__conversation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px;

    margin-top: 12px;
}

.hero-dashboard__message {
    min-height: 64px;

    padding: 10px;

    background: rgba(255, 255, 255, 0.025);

    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
}

.hero-dashboard__message-label {
    margin-bottom: 5px;

    color: var(--color-brand-400);

    font-size: 7px;
    font-weight: 700;
}

.hero-dashboard__message-text {
    color: var(--color-text-secondary);

    font-size: 8px;
    line-height: 1.5;
}


/* =========================================================
   LOGO / INTEGRATION STRIP
   ========================================================= */

.logo-strip {
    padding: 26px 0;

    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);

    background: rgba(255, 255, 255, 0.012);
}

.logo-strip__inner {
    width: min(calc(100% - 40px), var(--container-xl));
    margin-inline: auto;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo-strip__label {
    color: var(--color-text-muted);

    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.logo-strip__items {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 34px;

    flex: 1;
}

.logo-strip__item {
    color: rgba(255, 255, 255, 0.42);

    font-size: 13px;
    font-weight: 700;

    transition: color var(--transition-fast);
}

.logo-strip__item:hover {
    color: rgba(255, 255, 255, 0.78);
}


/* =========================================================
   SECTION HEADINGS
   ========================================================= */

.section-heading {
    max-width: 720px;

    margin: 0 auto 52px;

    text-align: center;
}

.section-heading__eyebrow {
    margin-bottom: 12px;

    color: var(--color-brand-400);

    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.section-heading h2 {
    margin-bottom: 16px;
}

.section-heading p {
    max-width: 620px;
    margin-inline: auto;

    color: var(--color-text-secondary);

    font-size: 17px;
    line-height: 1.7;
}


/* =========================================================
   FEATURE GRID
   ========================================================= */

.feature-grid {
    width: min(calc(100% - 40px), var(--container-xl));
    margin-inline: auto;

    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.feature-card {
    position: relative;

    padding: 26px;

    background:
        linear-gradient(
            145deg,
            rgba(19, 29, 49, 0.82),
            rgba(12, 18, 31, 0.72)
        );

    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);

    transition:
        transform var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);

    border-color: rgba(49, 140, 255, 0.24);

    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}