/* =========================================
   Trades Workforce Hub - Core Stylesheet
   ========================================= */

:root {
    --bg: #ffffff;
    --bg-alt: #f4f6f9;
    --bg-dark: #0f1b2d;
    --ink: #0f1b2d;
    --ink-soft: #4a5768;
    --ink-muted: #6b7789;
    --line: #e2e7ef;
    --brand: #1f5fbf;
    --brand-dark: #154a99;
    --brand-soft: #eaf1fc;
    --accent: #f5a623;
    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 22px;
    --shadow-sm: 0 2px 8px rgba(15, 27, 45, 0.06);
    --shadow: 0 10px 30px rgba(15, 27, 45, 0.08);
    --shadow-lg: 0 24px 60px rgba(15, 27, 45, 0.12);
    --transition: 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
    --max-width: 1180px;
}

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

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

body {
    margin: 0;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius);
}

a {
    color: var(--brand);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover,
a:focus {
    color: var(--brand-dark);
}

h1, h2, h3, h4 {
    margin: 0 0 0.5em;
    line-height: 1.2;
    letter-spacing: -0.015em;
    color: var(--ink);
    font-weight: 700;
}

h1 { font-size: clamp(2rem, 4vw, 3.1rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.2rem); }
h3 { font-size: 1.15rem; }
h4 { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-muted); }

p { margin: 0 0 1em; color: var(--ink-soft); }

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 26px;
    background: var(--brand);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    text-align: center;
    white-space: nowrap;
}

.btn:hover,
.btn:focus {
    background: var(--brand-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-small {
    padding: 10px 18px;
    font-size: 0.875rem;
}

.btn-ghost {
    background: transparent;
    color: var(--brand);
    border-color: var(--brand);
}

.btn-ghost:hover,
.btn-ghost:focus {
    background: var(--brand-soft);
    color: var(--brand-dark);
}

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: 72px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--ink);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.01em;
}

.logo:hover,
.logo:focus {
    color: var(--brand);
}

.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--brand);
    color: #fff;
    font-weight: 800;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
}

.logo-text {
    white-space: nowrap;
}

.main-nav {
    display: none;
    gap: 28px;
    font-size: 0.925rem;
    font-weight: 500;
}

.main-nav a {
    color: var(--ink-soft);
    position: relative;
    padding: 6px 0;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--brand);
    transition: width var(--transition);
}

.main-nav a:hover,
.main-nav a:focus {
    color: var(--ink);
}

.main-nav a:hover::after,
.main-nav a:focus::after {
    width: 100%;
}

@media (min-width: 900px) {
    .main-nav { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
    padding: clamp(48px, 8vw, 96px) 0 clamp(40px, 6vw, 80px);
    background:
        radial-gradient(1000px 500px at 85% -10%, rgba(31, 95, 191, 0.09), transparent 60%),
        radial-gradient(800px 400px at 0% 0%, rgba(245, 166, 35, 0.07), transparent 55%),
        var(--bg);
    border-bottom: 1px solid var(--line);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

@media (min-width: 900px) {
    .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 56px; }
}

.hero-copy .eyebrow {
    margin-bottom: 14px;
}

.hero h1 {
    margin-bottom: 20px;
}

.hero-lead {
    font-size: clamp(1.02rem, 1.3vw, 1.15rem);
    color: var(--ink-soft);
    max-width: 56ch;
}

.hero-lead strong {
    color: var(--ink);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 28px 0 18px;
}

.hero-note {
    font-size: 0.8rem;
    color: var(--ink-muted);
    margin: 0;
    padding: 10px 14px;
    background: var(--bg-alt);
    border-left: 3px solid var(--brand);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    display: inline-block;
}

.hero-visual img {
    aspect-ratio: 3 / 2;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
}

/* ---------- Eyebrow ---------- */
.eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--brand);
    margin: 0 0 12px;
}

/* ---------- Stats strip ---------- */
.stats-strip {
    background: var(--bg-dark);
    color: #fff;
    padding: 40px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.stat-card {
    padding: 8px 0;
    border-left: 2px solid rgba(255, 255, 255, 0.15);
    padding-left: 20px;
}

.stat-number {
    display: block;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    line-height: 1;
    color: #fff;
    margin-bottom: 8px;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.4;
}

/* ---------- Sections ---------- */
.section {
    padding: clamp(56px, 8vw, 96px) 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section-head {
    max-width: 760px;
    margin-bottom: 44px;
}

.section-intro {
    font-size: 1.02rem;
    color: var(--ink-soft);
    margin: 0;
}

/* ---------- Cards ---------- */
.card-grid {
    display: grid;
    gap: 22px;
}

.card-grid.three {
    grid-template-columns: 1fr;
}

@media (min-width: 800px) {
    .card-grid.three { grid-template-columns: repeat(3, 1fr); }
}

.card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 26px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--brand), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: #d5deea;
}

.card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--brand-soft);
    color: var(--brand);
    font-weight: 800;
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.card h3 {
    margin-bottom: 10px;
}

.card p {
    margin: 0;
    font-size: 0.95rem;
}

/* ---------- Info band ---------- */
.info-band {
    margin-top: 32px;
    padding: 18px 22px;
    background: #fff;
    border: 1px solid var(--line);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius-sm);
}

.info-band p {
    margin: 0;
    font-size: 0.92rem;
    color: var(--ink-soft);
}

.info-band strong {
    color: var(--ink);
}

/* ---------- Split layout ---------- */
.split-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

@media (min-width: 900px) {
    .split-grid { grid-template-columns: 1fr 1fr; gap: 56px; }
}

.split-copy p {
    font-size: 1rem;
}

.split-visual img {
    aspect-ratio: 4 / 3;
    object-fit: cover;
    box-shadow: var(--shadow);
}

.check-list {
    list-style: none;
    padding: 0;
    margin: 20px 0 0;
    display: grid;
    gap: 12px;
}

.check-list li {
    position: relative;
    padding-left: 32px;
    color: var(--ink-soft);
    font-size: 0.95rem;
    line-height: 1.55;
}

.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--brand-soft);
    border: 2px solid var(--brand);
}

.check-list li::after {
    content: "";
    position: absolute;
    left: 6px;
    top: 10px;
    width: 8px;
    height: 4px;
    border-left: 2px solid var(--brand);
    border-bottom: 2px solid var(--brand);
    transform: rotate(-45deg);
}

/* ---------- Steps ---------- */
.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 700px) {
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1000px) {
    .steps-grid { grid-template-columns: repeat(4, 1fr); }
}

.step {
    position: relative;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px 22px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.step:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.step-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--ink);
    color: #fff;
    font-weight: 800;
    font-size: 0.9rem;
    margin-bottom: 14px;
}

.step h3 {
    font-size: 1.02rem;
    margin-bottom: 8px;
}

.step p {
    margin: 0;
    font-size: 0.9rem;
}

/* ---------- FAQ ---------- */
.faq-container {
    max-width: 860px;
}

.faq-list {
    display: grid;
    gap: 12px;
}

.faq-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 4px 22px;
    transition: box-shadow var(--transition), border-color var(--transition);
}

.faq-item[open] {
    box-shadow: var(--shadow-sm);
    border-color: #d5deea;
}

.faq-item summary {
    cursor: pointer;
    list-style: none;
    padding: 18px 0;
    font-weight: 600;
    font-size: 0.98rem;
    color: var(--ink);
    position: relative;
    padding-right: 34px;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--brand);
    transition: transform var(--transition);
    line-height: 1;
}

.faq-item[open] summary::after {
    content: "\2212";
}

.faq-item p {
    margin: 0 0 18px;
    font-size: 0.93rem;
    color: var(--ink-soft);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Contact ---------- */
.contact-box {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #16273f 100%);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: clamp(32px, 5vw, 56px);
    box-shadow: var(--shadow-lg);
}

@media (min-width: 800px) {
    .contact-box { grid-template-columns: 1.4fr 1fr; align-items: center; gap: 40px; }
}

.contact-box h2 {
    color: #fff;
}

.contact-box p {
    color: rgba(255, 255, 255, 0.78);
    margin: 0;
}

.contact-box .eyebrow {
    color: var(--accent);
}

.contact-action {
    text-align: left;
}

@media (min-width: 800px) {
    .contact-action { text-align: right; }
}

.contact-action .btn {
    background: #fff;
    color: var(--ink);
    font-weight: 700;
}

.contact-action .btn:hover,
.contact-action .btn:focus {
    background: var(--accent);
    color: var(--ink);
}

.small-note {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6) !important;
    margin-top: 10px !important;
}

/* ---------- Legal pages ---------- */
.legal-hero {
    padding: clamp(48px, 6vw, 72px) 0 clamp(24px, 3vw, 40px);
    background: var(--bg-alt);
    border-bottom: 1px solid var(--line);
}

.legal-hero h1 {
    margin-bottom: 6px;
}

.legal-updated {
    font-size: 0.85rem;
    color: var(--ink-muted);
    margin: 0;
}

.legal-content {
    max-width: 860px;
}

.legal-content h2 {
    font-size: 1.3rem;
    margin-top: 40px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--line);
}

.legal-content h2:first-of-type {
    margin-top: 0;
}

.legal-content p,
.legal-content li {
    font-size: 0.95rem;
    color: var(--ink-soft);
}

.legal-content ul {
    padding-left: 22px;
    margin: 0 0 20px;
}

.legal-content li {
    margin-bottom: 8px;
}

.legal-content strong {
    color: var(--ink);
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 56px 0 0;
    margin-top: 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 36px;
    padding-bottom: 40px;
}

@media (min-width: 800px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin: 12px 0 0;
    font-size: 0.9rem;
}

.footer-brand strong {
    color: #fff;
    font-size: 1rem;
}

.footer-disclaimer {
    font-size: 0.8rem !important;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.5) !important;
    max-width: 44ch;
}

.footer-links h4 {
    color: #fff;
    margin-bottom: 14px;
    font-size: 0.78rem;
    letter-spacing: 0.1em;
}

.footer-links a {
    display: block;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.9rem;
    padding: 5px 0;
    transition: color var(--transition);
}

.footer-links a:hover,
.footer-links a:focus {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 22px 0;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom p {
    margin: 0;
    color: inherit;
}

/* ---------- Scroll reveal ---------- */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.2, 1),
                transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
    will-change: opacity, transform;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal:nth-child(2) { transition-delay: 0.06s; }
.reveal:nth-child(3) { transition-delay: 0.12s; }
.reveal:nth-child(4) { transition-delay: 0.18s; }

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ---------- Accessibility ---------- */
:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ---------- Small screens polish ---------- */
@media (max-width: 520px) {
    .header-inner { height: 64px; gap: 12px; }
    .logo-text { display: none; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn { width: 100%; }
    .contact-action .btn { width: 100%; white-space: normal; }
}