/* ==================================================================
   OZAVION — Components
   Reusable UI: header, nav, buttons, cards, pills, CTA, timeline,
   stats, section headers, footer.
   Depends on tokens defined in style.css.
   ================================================================== */

/* ------------------------------------------------------------------
   HEADER + NAV
   ------------------------------------------------------------------ */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background: rgba(5, 7, 14, 0.55);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid transparent;
    transition: background var(--transition), border-color var(--transition);
}
/* Solid-ish glass once the page is scrolled (toggled via JS) */
.site-header.is-scrolled {
    background: rgba(5, 7, 14, 0.9);
    border-bottom-color: var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
    height: var(--header-height);
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Logo ------------------------------------------------------------- */
.site-logo {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}
.site-logo__img {
    display: block;
    height: 40px;
    width: auto;
}

/* Nav lists -------------------------------------------------------- */
.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
.nav__link {
    display: inline-block;
    padding: var(--space-2) var(--space-3);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--color-text-soft);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
}
.nav__link:hover { color: var(--color-text); background: rgba(255, 255, 255, 0.05); }
.nav__link.is-active {
    color: var(--color-text);
    background: var(--color-accent-soft);
}

/* Desktop / mobile visibility (defaults; responsive.css refines) */
.nav--mobile { display: none; }

/* Hamburger -------------------------------------------------------- */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 0 9px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03);
}
.nav-toggle__bar {
    height: 2px;
    width: 100%;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.is-open .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle.is-open .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer ---------------------------------------------------- */
.nav--mobile {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding-block: var(--space-5);
    transform: translateY(-12px);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    z-index: var(--z-drawer);
}
.nav--mobile.is-open { transform: translateY(0); opacity: 1; }
.nav--mobile .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
    margin-bottom: var(--space-5);
}
.nav--mobile .nav__link { padding: var(--space-3) var(--space-4); font-size: var(--fs-md); }

.nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(2, 4, 10, 0.6);
    backdrop-filter: blur(2px);
    z-index: var(--z-header);
    opacity: 0;
    transition: opacity var(--transition);
}
.nav-backdrop.is-open { opacity: 1; }

/* ------------------------------------------------------------------
   BUTTONS
   ------------------------------------------------------------------ */
.btn {
    --btn-pad-y: 0.7rem;
    --btn-pad-x: 1.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--btn-pad-y) var(--btn-pad-x);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    line-height: 1;
    white-space: nowrap;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    transition: transform var(--transition-fast), box-shadow var(--transition),
                background var(--transition), border-color var(--transition), color var(--transition);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
    background: var(--gradient-accent);
    color: var(--color-on-accent);
    box-shadow: 0 8px 24px rgba(91, 121, 240, 0.3);
}
.btn--primary:hover { box-shadow: 0 10px 32px rgba(91, 121, 240, 0.45); }

.btn--secondary {
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text);
    border-color: var(--color-border-strong);
}
.btn--secondary:hover { background: rgba(255, 255, 255, 0.09); border-color: var(--color-accent); }

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

.btn--sm    { --btn-pad-y: 0.55rem; --btn-pad-x: 1rem; font-size: var(--fs-xs); }
.btn--lg    { --btn-pad-y: 0.95rem; --btn-pad-x: 1.75rem; font-size: var(--fs-base); }
.btn--block { display: flex; width: 100%; }

.btn .icon { width: 1.05em; height: 1.05em; }

/* ------------------------------------------------------------------
   SECTION HEADER
   ------------------------------------------------------------------ */
.section-header {
    max-width: 640px;
    margin-bottom: var(--space-7);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.section-header--center {
    margin-inline: auto;
    text-align: center;
    align-items: center;
}
.section-header__eyebrow {
    display: inline-flex;
    align-items: center;
    width: max-content;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-accent-2);
}
.section-header__title { font-size: var(--fs-2xl); }
.section-header__intro { font-size: var(--fs-md); color: var(--color-text-soft); }

/* ------------------------------------------------------------------
   TAG / PILL
   ------------------------------------------------------------------ */
.pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.4rem 0.85rem;
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    letter-spacing: 0.01em;
    color: var(--color-text-soft);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
}
.pill--accent {
    color: var(--color-accent-2);
    background: var(--color-accent-soft);
    border-color: rgba(91, 121, 240, 0.3);
}
.pill__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-accent-2);
    box-shadow: 0 0 0 3px rgba(124, 140, 248, 0.18);
}

/* ------------------------------------------------------------------
   CARD BASE
   ------------------------------------------------------------------ */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: transform var(--transition), border-color var(--transition),
                background var(--transition), box-shadow var(--transition);
}
.card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-md);
}

/* ------------------------------------------------------------------
   BRAND CARD
   ------------------------------------------------------------------ */
.brand-card {
    --brand-accent: var(--color-accent);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    isolation: isolate;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.brand-card:hover {
    transform: translateY(-5px);
    border-color: color-mix(in srgb, var(--brand-accent) 55%, transparent);
    box-shadow: var(--shadow-md);
}
.brand-card__glow {
    position: absolute;
    inset: -40% 40% 60% -10%;
    background: radial-gradient(closest-side, color-mix(in srgb, var(--brand-accent) 35%, transparent), transparent);
    opacity: 0;
    transition: opacity var(--transition-slow);
    z-index: -1;
}
.brand-card:hover .brand-card__glow { opacity: 1; }
.brand-card__glyph {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    font-weight: var(--fw-bold);
    font-size: var(--fs-lg);
    color: #fff;
    background: linear-gradient(140deg, color-mix(in srgb, var(--brand-accent) 90%, #fff 10%), color-mix(in srgb, var(--brand-accent) 60%, #000 20%));
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.15);
}
.brand-card__body { display: flex; flex-direction: column; gap: var(--space-2); }
.brand-card__category {
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: color-mix(in srgb, var(--brand-accent) 80%, #fff);
}
.brand-card__name { font-size: var(--fs-lg); }
.brand-card__desc { font-size: var(--fs-sm); color: var(--color-text-soft); }
.brand-card__cta {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--color-text);
}
.brand-card__cta .icon { transition: transform var(--transition); }
.brand-card:hover .brand-card__cta .icon { transform: translateX(4px); }

/* ------------------------------------------------------------------
   SOLUTION / FEATURE / INDUSTRY CARDS (icon + title + desc family)
   ------------------------------------------------------------------ */
.solution-card,
.feature-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.solution-card:hover,
.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-md);
}
.solution-card__icon,
.feature-card__icon {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border-radius: var(--radius-md);
    color: var(--color-accent-2);
    background: var(--color-accent-soft);
    border: 1px solid rgba(91, 121, 240, 0.25);
}
.solution-card__icon .icon,
.feature-card__icon .icon { width: 22px; height: 22px; }
.solution-card__title,
.feature-card__title { font-size: var(--fs-md); font-weight: var(--fw-semibold); }
.solution-card__desc,
.feature-card__desc { font-size: var(--fs-sm); color: var(--color-text-soft); }

/* Industry card — quieter, list-like tile */
.industry-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.industry-card:hover {
    transform: translateY(-3px);
    border-color: var(--color-border-strong);
    background: var(--color-surface-2);
}
.industry-card__title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-base);
    font-weight: var(--fw-semibold);
}
.industry-card__title::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--gradient-accent);
    flex: none;
}
.industry-card__desc { font-size: var(--fs-sm); color: var(--color-text-soft); }

/* ------------------------------------------------------------------
   STATS CARD
   ------------------------------------------------------------------ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-4);
}
.stat-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: left;
}
.stat-card__value {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-bold);
    letter-spacing: var(--tracking-tight);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.stat-card__label {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
}

/* ------------------------------------------------------------------
   CTA BLOCK
   ------------------------------------------------------------------ */
.cta-block {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-5);
    text-align: center;
    padding: clamp(2.5rem, 6vw, 5rem);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-strong);
    background:
        radial-gradient(80% 120% at 50% 0%, rgba(91, 121, 240, 0.22), transparent 60%),
        var(--color-surface);
}
.cta-block::after {
    content: "";
    position: absolute;
    inset: auto -20% -60% -20%;
    height: 320px;
    background: var(--gradient-glow);
    z-index: -1;
}
.cta-block__title { font-size: var(--fs-2xl); max-width: 18ch; }
.cta-block__text  { font-size: var(--fs-md); color: var(--color-text-soft); max-width: 52ch; }

/* ------------------------------------------------------------------
   TIMELINE
   ------------------------------------------------------------------ */
.timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    padding-left: var(--space-6);
}
.timeline::before {
    content: "";
    position: absolute;
    top: 6px;
    bottom: 6px;
    left: 7px;
    width: 2px;
    background: linear-gradient(var(--color-accent), transparent);
}
.timeline-item { position: relative; display: flex; flex-direction: column; gap: var(--space-1); }
.timeline-item::before {
    content: "";
    position: absolute;
    left: calc(-1 * var(--space-6) + 2px);
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(91, 121, 240, 0.2);
}
.timeline-item__time {
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-accent-2);
}
.timeline-item__title { font-size: var(--fs-md); font-weight: var(--fw-semibold); }
.timeline-item__desc  { font-size: var(--fs-sm); color: var(--color-text-soft); }

/* ------------------------------------------------------------------
   HERO (foundation placeholder)
   ------------------------------------------------------------------ */
.hero {
    position: relative;
    padding-block: clamp(4rem, 10vw, 8rem);
    overflow: hidden;
    isolation: isolate;
}
.hero::before {
    content: "";
    position: absolute;
    inset: -10% -10% 30% -10%;
    background:
        radial-gradient(45% 55% at 25% 20%, rgba(91, 121, 240, 0.25), transparent 70%),
        radial-gradient(40% 50% at 80% 10%, rgba(124, 140, 248, 0.18), transparent 70%);
    z-index: -2;
}
.hero__grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(70% 60% at 50% 30%, #000, transparent 80%);
    mask-image: radial-gradient(70% 60% at 50% 30%, #000, transparent 80%);
    z-index: -1;
}
.hero__inner {
    max-width: 860px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-5);
}
.hero--center .hero__inner { margin-inline: auto; align-items: center; text-align: center; }
.hero__title { font-size: var(--fs-4xl); letter-spacing: -0.03em; }
.hero__lead {
    font-size: clamp(1.05rem, 0.9rem + 0.6vw, 1.3rem);
    color: var(--color-text-soft);
    max-width: 60ch;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* ------------------------------------------------------------------
   FOOTER
   ------------------------------------------------------------------ */
.site-footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding-block: var(--space-8) var(--space-6);
    margin-top: var(--space-9);
}
.site-footer__grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: var(--space-6);
    padding-bottom: var(--space-7);
    border-bottom: 1px solid var(--color-border);
}
.site-footer__brand { display: flex; flex-direction: column; gap: var(--space-4); max-width: 36ch; }
.site-footer__desc { font-size: var(--fs-sm); color: var(--color-text-muted); }

.footer-col__title {
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}
.footer-col__list { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col__link {
    font-size: var(--fs-sm);
    color: var(--color-text-soft);
    transition: color var(--transition-fast);
}
.footer-col__link:hover { color: var(--color-text); }
.footer-col__muted { font-size: var(--fs-sm); color: var(--color-text-muted); }

.social-list { display: flex; gap: var(--space-2); }
.social-list__link {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--color-text-soft);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}
.social-list__link:hover {
    color: var(--color-text);
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
}

.site-footer__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-3);
    padding-top: var(--space-5);
}
.site-footer__copy { font-size: var(--fs-sm); color: var(--color-text-muted); }
.site-footer__legal { display: flex; gap: var(--space-5); }
.site-footer__legal a {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}
.site-footer__legal a:hover { color: var(--color-text); }
.brand-hero__name {
    margin-top: var(--space-4);
    font-family: var(--font-display);
    font-size: var(--fs-2xl);
    line-height: var(--lh-tight);
    color: var(--color-text);
}
.site-footer__company {
    margin-top: var(--space-3);
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
}

/* Inline icon default sizing */
.icon { width: 20px; height: 20px; }
.icon--sm { width: 16px; height: 16px; }