/* ===== Trusted-Aide v4 Stylesheet ===== */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Work Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  transition: background 0.3s, color 0.3s;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* --- CSS Variables --- */
:root {
  --navy: #0d1b2a;
  --teal: #1a6b72;
  --mint: #e6f7f8;
  --accent: #1a6b72;
  --accent-dark: #134f55;
  --white: #ffffff;
  --off-white: #f8fafb;
  --text: #1a202c;
  --text-muted: #4a5568;
  --bg: #ffffff;
  --surface: #f0f9fa;
  --border: #d1e8ea;
  --card-bg: #ffffff;
  --card-mint: #e6f7f8;
  --shadow: 0 2px 16px rgba(13,27,42,0.08);
  --radius: 12px;
  --radius-sm: 8px;
}
[data-theme='dark'] {
  --bg: #0d1b2a;
  --surface: #112233;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --card-bg: #1a2d40;
  --card-mint: #1a3a3e;
  --border: #2d4a5a;
  --shadow: 0 2px 16px rgba(0,0,0,0.3);
}

/* --- Layout --- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1260px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section.surface { background: var(--surface); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }

/* --- Typography --- */
h1,h2,h3,h4 { font-family: 'Instrument Serif', serif; color: var(--heading-color, var(--navy)); line-height: 1.25; }
[data-theme='dark'] h1,
[data-theme='dark'] h2,
[data-theme='dark'] h3,
[data-theme='dark'] h4 { color: #e2e8f0; }
.title { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: 20px; } .hero .title, .hero .eyebrow, .hero p { color: #ffffff !important; }
.section-title { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 16px; }
.page-subtitle { font-size: 1.2rem; color: var(--teal); font-weight: 600; margin-bottom: 20px; }
.eyebrow { display: inline-block; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal); margin-bottom: 12px; }
.lede { font-size: 1.1rem; color: var(--text-muted); max-width: 560px; margin-bottom: 32px; }
.summary { font-size: 1rem; color: var(--text-muted); }
.kicker { margin-top: 16px; font-weight: 600; font-size: 0.95rem; }
.kicker a { color: var(--teal); }
.tag { display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; background: var(--mint); color: var(--teal); border-radius: 4px; padding: 3px 10px; margin-bottom: 10px; }
[data-theme='dark'] .tag { background: var(--card-mint); }

/* --- Buttons --- */
.btn { display: inline-block; padding: 12px 28px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.95rem; cursor: pointer; transition: all 0.2s; border: none; }
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); text-decoration: none; }
.btn-secondary { background: transparent; color: var(--teal); border: 2px solid var(--teal); }
.btn-secondary:hover { background: var(--mint); text-decoration: none; }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { background: var(--mint); text-decoration: none; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-actions-tight { margin-top: 24px; }

/* --- Header --- */
.site-header { position: sticky; top: 0; z-index: 100; background: var(--navy); box-shadow: 0 2px 8px rgba(0,0,0,0.15); }
.nav { display: flex; align-items: center; gap: 24px; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { border-radius: 8px; object-fit: contain; height: 42px; width: auto; max-width: 160px; }
.brand-copy { display: flex; flex-direction: column; }
.brand-name { font-family: 'Instrument Serif', serif; font-size: 1.2rem; color: #fff; line-height: 1.1; }
.brand-tag { font-size: 0.65rem; color: rgba(255,255,255,0.6); letter-spacing: 0.05em; }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a { color: rgba(255,255,255,0.85); font-size: 0.9rem; padding: 6px 12px; border-radius: 6px; font-weight: 500; }
.nav-links a:hover { background: rgba(255,255,255,0.1); text-decoration: none; color: #fff; }
.nav-tools { display: flex; align-items: center; gap: 10px; }
.theme-toggle { background: none; border: 1px solid rgba(255,255,255,0.3); color: #fff; border-radius: 6px; padding: 5px 10px; cursor: pointer; font-size: 1rem; }
.menu-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.4rem; cursor: pointer; padding: 4px 8px; }
.mobile-nav { display: none; flex-direction: column; gap: 4px; padding: 12px 24px 16px; border-top: 1px solid rgba(255,255,255,0.1); }
.mobile-nav a { color: rgba(255,255,255,0.85); padding: 8px 12px; border-radius: 6px; font-size: 0.95rem; }
.mobile-nav a:hover { background: rgba(255,255,255,0.1); }
.mobile-nav.open { display: flex; }

/* --- Hero --- */
.hero { background: linear-gradient(135deg, var(--navy) 0%, #1a3a5c 60%, #1a6b72 100%); color: #fff; color: var(--padding: 90px 0;   --heading-color: #ffffff;   color: #ffffff;heading-color, var(--navy)); line-height: 1.25; } }
.hero-grid { display: grid; grid-template-columns: 55fr 45fr; gap: 40px; align-items: start; }
.hero .lede { color: rgba(255,255,255,0.8); }
.hero .btn-secondary { border-color: rgba(255,255,255,0.5); color: #fff; }
.hero .btn-secondary:hover { background: rgba(255,255,255,0.1); }
.hero-stack { display: flex; flex-direction: column; gap: 20px; }
.logo-panel { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: rgba(255,255,255,0.05); padding: 24px; display: flex; align-items: center; justify-content: center; min-height: 200px; }
.logo-panel img { max-height: 180px; object-fit: contain; filter: brightness(1.1); }
.glass { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-sm); padding: 20px 24px; }
.glass h3 { color: #fff; font-size: 1rem; margin-bottom: 6px; }
.glass p { color: rgba(255,255,255,0.75); font-size: 0.9rem; }

/* --- Page Hero (subpages) --- */
.page-hero { background: linear-gradient(135deg, var(--navy) 0%, #1a3a5c 70%, #1a6b72 100%); color: #fff; padding: 64px 0 56px; }
.page-hero .eyebrow { color: rgba(255,255,255,0.6); }
.page-hero h1 { color: #fff; font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-bottom: 16px; }
.page-hero .lede { color: rgba(255,255,255,0.8); margin-bottom: 0; max-width: 680px; }
.page-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

/* --- Cards --- */
.cards-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.cards-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.cards-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); transition: transform 0.2s, box-shadow 0.2s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(13,27,42,0.12); }
.card.mint { background: var(--card-mint); }
.card-title { font-size: 1.1rem; margin-bottom: 10px; }

/* --- Feature Band --- */
.feature-band { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.feature-band.asym { grid-template-columns: 1.1fr 0.9fr; }
.content-block { padding-right: 20px; }
.content-block p { color: var(--text-muted); margin-bottom: 14px; }

/* --- Why section --- */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.why-grid .content-block p { color: var(--text-muted); margin-bottom: 12px; }
.stat-stack { display: flex; flex-direction: column; gap: 16px; }
.stat-card { background: var(--card-mint); border-radius: var(--radius); padding: 24px 28px; border-left: 4px solid var(--teal); }
.stat-card .number { font-family: 'Instrument Serif', serif; font-size: 2.4rem; color: var(--teal); line-height: 1; margin-bottom: 4px; }
.stat-card p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }

/* --- Services list --- */
.services-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; margin-top: 40px; }
.service-item { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.service-item h3 { font-size: 1.05rem; margin-bottom: 10px; }
.service-item ul { list-style: none; padding: 0; }
.service-item ul li { padding: 5px 0; color: var(--text-muted); font-size: 0.92rem; padding-left: 18px; position: relative; }
.service-item ul li::before { content: '→'; position: absolute; left: 0; color: var(--teal); }

/* --- Steps --- */
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; counter-reset: step; }
.step { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; counter-increment: step; position: relative; }
.step::before { content: counter(step); font-family: 'Instrument Serif', serif; font-size: 2rem; color: var(--mint); position: absolute; top: 16px; right: 20px; }
[data-theme='dark'] .step::before { color: var(--card-mint); }
.step h3 { font-size: 1rem; margin-bottom: 8px; }
.step p { font-size: 0.9rem; color: var(--text-muted); }

/* --- CTA Band --- */
.cta-band { background: linear-gradient(135deg, var(--navy) 0%, var(--teal) 100%); border-radius: 20px; padding: 64px 56px; text-align: center; color: #fff; }
.cta-band h2 { color: #fff; margin-bottom: 16px; }
.cta-band p { color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 32px; }
.cta-eyebrow { color: rgba(255,255,255,0.6); }

/* --- Segments Hero Image Grid --- */
.segments-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 28px; margin-top: 48px; }
.seg-card { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: var(--card-bg); border: 1px solid var(--border); }
.seg-card-img { height: 200px; object-fit: cover; width: 100%; }
.seg-card-body { padding: 28px; }
.seg-card-body h3 { font-size: 1.15rem; margin-bottom: 10px; }
.seg-card-body p { color: var(--text-muted); font-size: 0.93rem; margin-bottom: 14px; }

/* --- Contact Form --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; align-items: start; }
.contact-info h2 { margin-bottom: 16px; }
.contact-info p { color: var(--text-muted); margin-bottom: 20px; }
.contact-detail { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
.contact-detail .icon { font-size: 1.3rem; margin-top: 2px; }
.contact-detail p { color: var(--text-muted); margin: 0; font-size: 0.92rem; }
.contact-form { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-group input,
.form-group select,
.form-group textarea { width: 100%; padding: 10px 14px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-family: 'Work Sans', sans-serif; font-size: 0.95rem; background: var(--bg); color: var(--text); transition: border-color 0.2s; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--teal); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-note { font-size: 0.8rem; color: var(--text-muted); margin-top: 12px; }
.hp-field { display: none; }

/* --- Footer --- */
.site-footer { background: var(--navy); color: rgba(255,255,255,0.7); padding: 56px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .brand-name { color: #fff; font-size: 1.1rem; }
.footer-brand p { font-size: 0.88rem; margin-top: 12px; color: rgba(255,255,255,0.6); }
.footer-col h4 { color: #fff; font-family: 'Work Sans', sans-serif; font-size: 0.85rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 14px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: rgba(255,255,255,0.65); font-size: 0.88rem; }
.footer-col ul li a:hover { color: #fff; text-decoration: none; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.45); }
.trust-badges { display: flex; flex-wrap: wrap; gap: 10px; }
.badge { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); border-radius: 6px; padding: 4px 12px; font-size: 0.75rem; color: rgba(255,255,255,0.6); }

/* --- Skip link --- */
.skip-link { position: absolute; top: -40px; left: 0; background: var(--teal); color: #fff; padding: 8px 16px; z-index: 999; border-radius: 0 0 8px 0; }
.skip-link:focus { top: 0; }

/* --- Reveal animation --- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .cards-4 { grid-template-columns: repeat(2,1fr); }
  .steps { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.hero-grid { @media (max-width: 600px) {display: grid; grid-template-columns: 55fr 45fr; gap: 40px; align-items: start; }
  .hero-grid, .feature-band, .feature-band.asym, .why-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding: 60px 0; }
  .hero-stack { display: none; }
  .cards-3, .cards-2, .services-list, .segments-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .menu-toggle { display: block; }
  .nav .btn-primary { display: none; }
  .cta-band { padding: 40px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .steps { grid-template-columns: 1fr; }
}