/* ============================================
   BASE — CompanyAura.
   Reset, typography, primitives (nav, footer,
   buttons, cards, badges, utilities).
   Light editorial system — see DESIGN.md.
   ============================================ */

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    background: var(--surface-page);
    color: var(--fg-1);
    font-family: var(--font-sans);
    font-size: var(--fs-body);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img, video { max-width: 100%; height: auto; display: block; }
svg { display: inline-block; vertical-align: middle; max-width: 100%; }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.02em;
    color: var(--fg-1);
}

h1 em, h2 em, h3 em, .serif-em {
    font-family: var(--font-serif-italic);
    font-style: italic;
    font-weight: 400;
    letter-spacing: -0.01em;
}

ul { list-style: none; }
a { color: var(--main-accent); text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

::selection { background: rgba(20, 30, 200, 0.14); }

/* ----- Brand signature: aura-filled headline span.
   Sanctioned exception (DESIGN.md) — solid fallback first. ----- */
.aura-fill {
    color: var(--main-accent);
    background: var(--aura-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ----- Layout ----- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}
.container--narrow { max-width: var(--container-narrow); }
.container--wide { max-width: 1280px; }

.section { padding: var(--section-pad-y) 0; }
.section--sm, .section--tight { padding: var(--section-pad-y-sm) 0; }
.section--ghost, .section--off-white { background: var(--surface-sunken); }
.section--dark { background: var(--gray-950); color: var(--white); }
.section--dark h2, .section--dark h3 { color: var(--white); }

.section-title {
    font-size: var(--fs-title);
    letter-spacing: -0.03em;
    line-height: 1.08;
    text-wrap: balance;
    margin-bottom: 16px;
}
.display-title {
    font-size: var(--fs-h1);
    letter-spacing: -0.03em;
    line-height: 1.04;
    text-wrap: balance;
}
.lead { font-size: var(--fs-lead); color: var(--fg-2); line-height: 1.5; }
.muted { color: var(--fg-3); }

/* Simple grid / flow utilities */
.grid { display: grid; gap: 24px; }
.stack > * + * { margin-top: 1rem; }
.stack--sm > * + * { margin-top: 0.5rem; }
.stack--lg > * + * { margin-top: 2rem; }
.stack--xl > * + * { margin-top: 3rem; }
.cluster { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
@media (min-width: 720px) {
    .grid--2 { grid-template-columns: repeat(2, 1fr); }
    .grid--3 { grid-template-columns: repeat(3, 1fr); }
    .grid--4 { grid-template-columns: repeat(4, 1fr); }
    .grid--auto-md { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
    .grid--auto-lg { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
}

/* ----- Eyebrow badge ----- */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--surface-soft-tint);
    color: var(--main-accent);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: var(--fs-micro);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(20, 30, 200, 0.15);
    margin-bottom: 20px;
}

/* Mono micro-label (step numbers, meta rows) */
.mono-label {
    font-family: var(--font-mono);
    font-size: var(--fs-micro);
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--fg-3);
    text-transform: uppercase;
}

/* ----- Buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 0;
    padding: 14px 24px;
    border-radius: 14px;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base);
}
.btn-primary {
    background: var(--main-accent);
    color: var(--white);
    box-shadow: var(--shadow-brand-glow);
}
.btn-primary:hover:not(:disabled) { background: var(--main-accent-light); transform: translateY(-1px); }
.btn-primary:active:not(:disabled) { background: var(--main-accent-dark); transform: scale(0.99); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-primary svg { stroke: var(--white); }
.btn-secondary {
    background: var(--gray-950);
    color: var(--white);
}
.btn-secondary:hover { background: var(--gray-800); transform: translateY(-1px); }
.btn-ghost {
    background: transparent;
    color: var(--fg-1);
    border: 1px solid var(--border-default);
}
.btn-ghost:hover { border-color: var(--fg-2); background: var(--surface-sunken); }

/* ----- Cards ----- */
.card {
    background: var(--white);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 28px;
    box-shadow: var(--shadow-sm);
}
.card--hover { transition: box-shadow var(--transition-base), transform var(--transition-base); }
.card--hover:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card--flat { box-shadow: none; }
.card--gradient-border { box-shadow: var(--shadow-md); } /* legacy name; plain elevated card now */
.card--on-dark {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: none;
    color: var(--white);
}
.card__title { font-size: 1.15rem; margin-bottom: 8px; }
.card__description { font-size: var(--fs-small); color: var(--fg-2); }
.card__icon { margin-bottom: 16px; }
.card__link { font-weight: 600; font-size: var(--fs-small); }

/* ----- Personal avatar speech bubble ----- */
.hero-personal {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 32px;
    max-width: 540px;
}
.hero-personal-avatar {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--aura-gradient);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 20px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 3px solid var(--white);
}
.hero-personal-avatar img { width: 100%; height: 100%; object-fit: cover; }
.hero-personal-content { flex: 1; min-width: 0; }
.hero-personal-bubble {
    position: relative;
    background: var(--white);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 12px 16px;
    font-size: 15px;
    color: var(--fg-1);
    line-height: 1.4;
    box-shadow: var(--shadow-sm);
    font-weight: 500;
}
.hero-personal-bubble::before {
    content: "";
    position: absolute;
    left: -9px; top: 50%; margin-top: -7px;
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
    border-right: 9px solid var(--border-subtle);
}
.hero-personal-bubble::after {
    content: "";
    position: absolute;
    left: -7px; top: 50%; margin-top: -6px;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-right: 8px solid var(--white);
}
.hero-personal-name {
    margin: 6px 0 0 4px;
    font-size: 12px;
    color: var(--fg-3);
    font-weight: 500;
}

/* ----- Navigation (injected via components/header.html) ----- */
.nav {
    position: sticky;
    top: 0;
    z-index: var(--z-nav);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-subtle);
}
/* nav is sticky and in normal flow now; legacy offset not needed */
.has-fixed-nav { padding-top: 0; }
.nav-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.nav-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.nav-logo img { height: 30px; width: 30px; border-radius: 8px; }
.nav-logo__text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 17px;
    letter-spacing: -0.02em;
    color: var(--fg-1);
}
.nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
}
.nav-menu a {
    color: var(--fg-2);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-fast);
}
.nav-menu a:hover { color: var(--fg-1); }
.nav-menu a.active { color: var(--main-accent); font-weight: 600; }
.nav-cta {
    display: inline-flex;
    align-items: center;
    background: var(--main-accent);
    color: var(--white);
    font-size: 13.5px;
    font-weight: 600;
    padding: 9px 16px;
    border-radius: var(--radius-pill);
    text-decoration: none;
    white-space: nowrap;
    transition: all var(--transition-base);
}
.nav-cta:hover { background: var(--main-accent-light); transform: translateY(-1px); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.lang-toggle {
    display: flex;
    gap: 2px;
    background: var(--gray-100);
    border-radius: var(--radius-pill);
    padding: 3px;
    font-size: 13px;
}
.lang-toggle button {
    border: 0;
    background: none;
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font: inherit;
    font-weight: 600;
    color: var(--fg-3);
    min-height: 28px;
    transition: all var(--transition-fast);
}
.lang-toggle button.active {
    background: var(--white);
    color: var(--fg-1);
    box-shadow: var(--shadow-sm);
}
@media (max-width: 719px) {
    .nav-menu { display: none; }
}
@media (max-width: 540px) {
    .nav-logo__text { display: none; }
    .nav-cta { font-size: 12.5px; padding: 8px 12px; }
}

/* ----- Breadcrumb ----- */
.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: var(--fs-micro);
    letter-spacing: 0.05em;
    color: var(--fg-3);
    margin-bottom: 18px;
}
.breadcrumb a { color: var(--fg-3); }
.breadcrumb a:hover { color: var(--main-accent); }

/* ----- Footer (injected via components/footer.html) ----- */
.footer {
    background: var(--surface-sunken);
    border-top: 1px solid var(--border-subtle);
    margin-top: var(--section-pad-y-sm);
}
.footer-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 56px 24px 40px;
    display: grid;
    gap: 36px;
    grid-template-columns: 1fr;
}
@media (min-width: 720px) {
    .footer-container { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 24px; }
}
.footer-logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.02em;
    margin: 0 0 10px;
}
.footer-tagline { font-size: var(--fs-small); color: var(--fg-3); max-width: 32ch; }
.footer-title {
    font-family: var(--font-mono);
    font-size: var(--fs-micro);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--fg-3);
    margin: 0 0 14px;
}
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: var(--fg-2); font-size: var(--fs-small); }
.footer-links a:hover { color: var(--main-accent); }
.footer-social { display: flex; gap: 10px; }
.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    background: var(--white);
    color: var(--fg-2);
    transition: all var(--transition-fast);
}
.social-link:hover { color: var(--main-accent); border-color: var(--main-accent); }
.footer-bottom {
    max-width: var(--container);
    margin: 0 auto;
    padding: 20px 24px 28px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    flex-wrap: wrap;
    gap: 10px 24px;
    align-items: center;
    justify-content: space-between;
}
.footer-copyright { font-size: var(--fs-caption); color: var(--fg-3); }
.footer-legal { display: flex; gap: 18px; }
.footer-legal a { font-size: var(--fs-caption); color: var(--fg-3); }
.footer-legal a:hover { color: var(--main-accent); }

/* ----- Legacy helpers kept for unmigrated markup ----- */
.hero-gradient { background: var(--aura-gradient); color: var(--white); }
.text-gradient-light { color: var(--white); }
.feature-frame {
    background: var(--surface-sunken);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-2xl);
    padding: clamp(24px, 4vw, 48px);
    position: relative;
    overflow: hidden;
}
.feature-frame__window {
    background: var(--white);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}