/* ============================================================
   Insight Solutions — Shared Stylesheet
   Colors: Navy (#1B3A6B), Red (#C41E3A), White/Off-white
   ============================================================ */

:root {
  --navy:       #1B3A6B;
  --navy-dark:  #112444;
  --navy-light: #2A5298;
  --red:        #C41E3A;
  --red-dark:   #9E1830;
  --white:      #FFFFFF;
  --off-white:  #F5F7FA;
  --light-grey: #E8ECF1;
  --mid-grey:   #8A95A3;
  --text:       #1C2535;
  --text-light: #4A5568;
  --border:     #D1D9E0;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-serif: Georgia, 'Times New Roman', serif;

  --max-width: 1100px;
  --section-pad: 80px 24px;
  --section-pad-sm: 48px 24px;

  --radius: 6px;
  --radius-lg: 12px;
  --shadow: 0 2px 12px rgba(27,58,107,0.10);
  --shadow-hover: 0 6px 24px rgba(27,58,107,0.16);

  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--red); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--red-dark); }
ul { list-style: none; }

h1, h2, h3, h4, h5 { color: var(--navy); line-height: 1.25; font-weight: 700; }
h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }
p { margin-bottom: 1rem; color: var(--text-light); }
p:last-child { margin-bottom: 0; }
.lead { font-size: clamp(1.1rem, 1.8vw, 1.25rem); color: var(--text-light); line-height: 1.75; }
.text-red  { color: var(--red); }
.text-navy { color: var(--navy); }
.text-mid  { color: var(--mid-grey); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section         { padding: var(--section-pad); }
.section-sm      { padding: var(--section-pad-sm); }
.section-white   { background: var(--white); }
.section-off     { background: var(--off-white); }
.section-navy    { background: var(--navy); color: var(--white); }
.section-navy h1, .section-navy h2, .section-navy h3 { color: var(--white); }
.section-navy p  { color: rgba(255,255,255,0.82); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 32px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.text-center { text-align: center; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-40 { margin-bottom: 40px; }
.mb-56 { margin-bottom: 56px; }
.mt-40 { margin-top: 40px; }
.mt-56 { margin-top: 56px; }

.btn { display: inline-block; padding: 14px 32px; border-radius: var(--radius); font-weight: 600; font-size: 0.95rem; letter-spacing: 0.01em; transition: background var(--transition), box-shadow var(--transition), transform var(--transition); cursor: pointer; border: none; text-align: center; }
.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: var(--red-dark); color: var(--white); box-shadow: 0 4px 16px rgba(196,30,58,0.3); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--navy); border: 2px solid var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-outline-white { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.7); }
.btn-outline-white:hover { background: rgba(255,255,255,0.1); color: var(--white); border-color: var(--white); }
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }

.site-header { position: sticky; top: 0; z-index: 100; background: var(--white); border-bottom: 1px solid var(--border); box-shadow: 0 1px 8px rgba(27,58,107,0.07); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 0 24px; max-width: var(--max-width); margin: 0 auto; height: 68px; }
.nav-logo img { height: 40px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a { color: var(--text); font-weight: 500; font-size: 0.95rem; transition: color var(--transition); }
.nav-links a:hover, .nav-links a.active { color: var(--red); }
.nav-cta { margin-left: 16px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); border-radius: 2px; transition: all 0.3s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { display: none; flex-direction: column; background: var(--white); border-top: 1px solid var(--border); padding: 16px 24px 24px; gap: 4px; }
.mobile-menu a { display: block; padding: 12px 0; color: var(--text); font-weight: 500; border-bottom: 1px solid var(--light-grey); font-size: 1rem; }
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--red); }
.mobile-menu .btn { margin-top: 16px; width: 100%; }
.mobile-menu.open { display: flex; }

.hero { background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, var(--navy-light) 100%); padding: 100px 24px 96px; color: var(--white); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -40%; right: -10%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(196,30,58,0.12) 0%, transparent 70%); pointer-events: none; }
.hero-inner { max-width: 780px; margin: 0 auto; position: relative; z-index: 1; }
.hero h1 { color: var(--white); margin-bottom: 24px; font-size: clamp(2.1rem, 4.5vw, 3.2rem); line-height: 1.2; }
.hero-sub { font-size: clamp(1rem, 1.8vw, 1.2rem); color: rgba(255,255,255,0.82); margin-bottom: 40px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.page-hero { background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%); padding: 72px 24px; color: var(--white); }
.page-hero-inner { max-width: var(--max-width); margin: 0 auto; }
.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero .lead { color: rgba(255,255,255,0.82); }

.red-bar { width: 48px; height: 4px; background: var(--red); border-radius: 2px; margin-bottom: 24px; }
.red-bar.center { margin-left: auto; margin-right: auto; }

.card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px 32px; box-shadow: var(--shadow); transition: box-shadow var(--transition), transform var(--transition); }
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.card-icon { width: 52px; height: 52px; background: var(--off-white); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.card-icon svg { width: 26px; height: 26px; }
.service-card h3 { margin-bottom: 12px; }
.service-card p  { font-size: 0.95rem; }
.service-card .card-link { display: inline-flex; align-items: center; gap: 6px; color: var(--red); font-weight: 600; font-size: 0.9rem; margin-top: 20px; }
.service-card .card-link:hover { gap: 10px; }

.eyebrow { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--red); display: block; margin-bottom: 12px; }

.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.intro-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-hover); }
.intro-img img { width: 100%; height: 420px; object-fit: cover; }

.fe-section p { max-width: 660px; }
.fe-section h2 { margin-bottom: 16px; }
.fe-section .red-bar { margin-bottom: 16px; }
.fe-block { border-left: 4px solid var(--red); padding-left: 24px; margin: 32px 0; }
.fe-block p { color: var(--text); font-size: 1.05rem; line-height: 1.8; margin: 0; }
.email-gate { background: var(--off-white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 48px 40px; text-align: center; max-width: 520px; margin: 0 auto; }
.email-gate h3 { margin-bottom: 8px; }
.email-gate p  { margin-bottom: 24px; }
.gate-form { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.gate-form input[type="email"] { flex: 1; min-width: 220px; padding: 13px 18px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 0.95rem; font-family: var(--font-sans); color: var(--text); background: var(--white); outline: none; transition: border-color var(--transition); }
.gate-form input[type="email"]:focus { border-color: var(--navy); }
.gate-form input[type="email"]::placeholder { color: var(--mid-grey); }

.service-detail { display: grid; grid-template-columns: 1fr 2fr; gap: 48px; padding: 56px 0; border-bottom: 1px solid var(--border); align-items: start; }
.service-detail:last-child { border-bottom: none; }
.service-detail-label { position: sticky; top: 88px; }
.service-detail-label .eyebrow { margin-bottom: 8px; }
.service-detail-label h3 { font-size: 1.4rem; margin-bottom: 16px; }
.service-bullets { margin-top: 20px; }
.service-bullets li { padding: 8px 0 8px 20px; position: relative; color: var(--text-light); font-size: 0.95rem; border-bottom: 1px solid var(--light-grey); }
.service-bullets li:last-child { border-bottom: none; }
.service-bullets li::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 8px; height: 8px; background: var(--red); border-radius: 50%; }

.about-hero-grid { display: grid; grid-template-columns: 340px 1fr; gap: 64px; align-items: start; }
.about-photo { position: sticky; top: 88px; }
.about-photo img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-hover); }
.about-photo .photo-caption { margin-top: 16px; text-align: center; }
.about-photo .photo-caption strong { display: block; color: var(--navy); font-size: 1.05rem; }
.about-photo .photo-caption span { font-size: 0.875rem; color: var(--mid-grey); }
.principles { margin-top: 40px; }
.principle-item { display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--light-grey); }
.principle-item:last-child { border-bottom: none; }
.principle-num { width: 32px; height: 32px; min-width: 32px; background: var(--red); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 700; margin-top: 2px; }
.principle-item p { margin: 0; font-size: 0.95rem; }

.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: start; }
.contact-info-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 32px; }
.contact-info-icon { width: 44px; height: 44px; min-width: 44px; background: var(--off-white); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; }
.contact-info-icon svg { width: 20px; height: 20px; stroke: var(--navy); }
.contact-info-item strong { display: block; color: var(--navy); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px; }
.contact-info-item a, .contact-info-item p { color: var(--text-light); font-size: 0.95rem; margin: 0; }
.contact-form-wrap { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: 0.875rem; color: var(--navy); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 13px 16px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 0.95rem; font-family: var(--font-sans); color: var(--text); background: var(--white); outline: none; transition: border-color var(--transition); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--navy); box-shadow: 0 0 0 3px rgba(27,58,107,0.08); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--mid-grey); }
.hp-field { display: none; }
.form-submit { margin-top: 8px; }
.form-submit .btn { width: 100%; }

.cta-banner { background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%); padding: 72px 24px; text-align: center; color: var(--white); }
.cta-banner h2 { color: var(--white); margin-bottom: 16px; }
.cta-banner p  { color: rgba(255,255,255,0.82); margin-bottom: 36px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.site-footer { background: var(--navy-dark); color: rgba(255,255,255,0.75); padding: 56px 24px 32px; }
.footer-inner { max-width: var(--max-width); margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); margin-bottom: 28px; }
.footer-brand img { height: 36px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 0.875rem; color: rgba(255,255,255,0.6); max-width: 240px; }
.footer-col h4 { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.5); margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.75); font-size: 0.9rem; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--white); }
.footer-col p { color: rgba(255,255,255,0.75); font-size: 0.9rem; margin-bottom: 8px; }
.footer-col a { color: rgba(255,255,255,0.75); font-size: 0.9rem; }
.footer-col a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; color: rgba(255,255,255,0.4); flex-wrap: wrap; gap: 12px; }

@media (max-width: 900px) {
  .grid-3      { grid-template-columns: 1fr 1fr; }
  .intro-grid  { grid-template-columns: 1fr; gap: 40px; }
  .intro-img   { order: -1; }
  .intro-img img { height: 320px; }
  .about-hero-grid { grid-template-columns: 1fr; }
  .about-photo { position: static; max-width: 300px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid  { grid-template-columns: 1fr 1fr; }
  .service-detail { grid-template-columns: 1fr; gap: 28px; }
  .service-detail-label { position: static; }
}

@media (max-width: 640px) {
  :root { --section-pad: 56px 20px; --section-pad-sm: 36px 20px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 72px 20px 64px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .cta-actions { flex-direction: column; align-items: center; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .email-gate { padding: 32px 24px; }
  .contact-form-wrap { padding: 28px 20px; }
  .gate-form { flex-direction: column; }
  .gate-form input { min-width: unset; width: 100%; }
  .footer-bottom { justify-content: center; text-align: center; }
}

@media print {
  .site-header, .site-footer, .cta-banner, .nav-toggle { display: none; }
}