/* Consumer Insight Group - Main Stylesheet */
/* Modern, clean, professional design for digital publishing */

:root {
  --color-primary: #1a365d;
  --color-primary-light: #2c5282;
  --color-accent: #2b6cb0;
  --color-accent-hover: #3182ce;
  --color-text: #2d3748;
  --color-text-light: #4a5568;
  --color-text-muted: #718096;
  --color-bg: #ffffff;
  --color-bg-alt: #f7fafc;
  --color-bg-dark: #edf2f7;
  --color-border: #e2e8f0;
  --color-success: #276749;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Source Serif 4', Georgia, serif;
  --max-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; padding: 0; font-family: var(--font-sans); font-size: 16px; line-height: 1.6; color: var(--color-text); background: var(--color-bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-hover); }

h1, h2, h3, h4, h5, h6 { font-family: var(--font-sans); font-weight: 600; line-height: 1.3; margin-top: 0; margin-bottom: var(--spacing-sm); color: var(--color-primary); }
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); margin-bottom: var(--spacing-md); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.125rem; }
p { margin-top: 0; margin-bottom: var(--spacing-sm); color: var(--color-text-light); }

.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 var(--spacing-md); }
.section { padding: calc(var(--spacing-2xl) + 0.5rem) 0; }
.section--alt { background: var(--color-bg-alt); }
.section--dark { background: var(--color-primary); color: #fff; }
.section--dark h2, .section--dark h3 { color: #fff; }
.section--dark p { color: rgba(255, 255, 255, 0.9); }

.site-header { background: var(--color-bg); border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.site-logo { font-size: 1.25rem; font-weight: 700; color: var(--color-primary); }
.site-logo a { color: inherit; }
.site-logo a:hover { color: var(--color-accent); }
.nav-main { display: flex; align-items: center; gap: var(--spacing-lg); list-style: none; margin: 0; padding: 0; }
.nav-main a { color: var(--color-text); font-weight: 500; font-size: 0.9375rem; }
.nav-main a:hover { color: var(--color-accent); }
.nav-main .nav-cta a { background: var(--color-primary); color: #fff !important; padding: 0.5rem 1rem; border-radius: var(--radius); }
.nav-main .nav-cta a:hover { background: var(--color-primary-light); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-text); margin: 5px 0; transition: var(--transition); }

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-main { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: var(--color-bg); padding: var(--spacing-md); border-bottom: 1px solid var(--color-border); gap: 0; }
  .nav-main.active { display: flex; }
  .nav-main li { padding: var(--spacing-sm) 0; border-bottom: 1px solid var(--color-border); }
  .nav-main li:last-child { border-bottom: none; }
}

.hero { padding: var(--spacing-2xl) 0; background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%); text-align: center; }
.hero__headline { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 700; color: var(--color-primary); margin-bottom: var(--spacing-md); max-width: 700px; margin-left: auto; margin-right: auto; }
.hero__subheadline { font-size: clamp(1rem, 2vw, 1.25rem); color: var(--color-text-light); max-width: 600px; margin: 0 auto var(--spacing-xl); line-height: 1.7; }

.btn { display: inline-block; padding: 0.75rem 1.5rem; font-size: 1rem; font-weight: 600; text-align: center; border-radius: var(--radius); transition: all var(--transition); cursor: pointer; border: none; font-family: inherit; }
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-light); color: #fff; }
.btn--secondary { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn--secondary:hover { background: var(--color-primary); color: #fff; }
.btn--light { background: transparent; color: #fff; border: 2px solid #fff; }
.btn--light:hover { background: #fff; color: var(--color-primary); }

.section__header { text-align: center; max-width: 640px; margin: 0 auto var(--spacing-xl); }
.section__header h2 { margin-bottom: var(--spacing-sm); }
.section__header p { margin-bottom: 0; line-height: 1.7; }
.grid { display: grid; gap: var(--spacing-lg); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 992px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

.card { background: var(--color-bg); border-radius: var(--radius-lg); padding: var(--spacing-lg); border: 1px solid var(--color-border); transition: box-shadow var(--transition); }
.card:hover { box-shadow: var(--shadow); }
.card--publishing { height: 100%; display: flex; flex-direction: column; }
.card__icon { width: 48px; height: 48px; background: var(--color-primary); color: #fff; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.25rem; margin-bottom: var(--spacing-md); }
.card__title { margin-bottom: var(--spacing-xs); }
.card__title a { color: var(--color-primary); }
.card__title a:hover { color: var(--color-accent); }
.card__desc { flex-grow: 1; margin-bottom: var(--spacing-md); }
.card__link { font-weight: 600; font-size: 0.9375rem; }

.list-check { list-style: none; padding: 0; margin: 0; }
.list-check li { position: relative; padding-left: 1.75rem; margin-bottom: var(--spacing-sm); }
.list-check li::before { content: "✓"; position: absolute; left: 0; color: var(--color-success); font-weight: 700; }

/* List grids: 2 col tablet, 3 col desktop, 1 col mobile */
.list-grid { display: grid; gap: var(--spacing-lg); }
.list-grid--5, .list-grid--6 { grid-template-columns: 1fr; }
@media (min-width: 641px) {
  .list-grid--5, .list-grid--6 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 993px) {
  .list-grid--5 { grid-template-columns: repeat(3, 1fr); }
  .list-grid--6 { grid-template-columns: repeat(3, 1fr); }
}

.property-logo { width: 64px; height: 64px; background: var(--color-bg-dark); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; margin-bottom: var(--spacing-md); overflow: hidden; }
.property-logo img { width: 100%; height: 100%; object-fit: cover; }

.site-footer { background: var(--color-primary); color: rgba(255, 255, 255, 0.9); padding: var(--spacing-2xl) 0 var(--spacing-lg); margin-top: var(--spacing-2xl); }
.site-footer a { color: rgba(255, 255, 255, 0.9); }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--spacing-xl); margin-bottom: var(--spacing-xl); }
@media (max-width: 992px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; text-align: center; } }
.footer-brand { font-size: 1.25rem; font-weight: 700; color: #fff; margin-bottom: var(--spacing-sm); }
.footer-desc { font-size: 0.9375rem; opacity: 0.9; max-width: 320px; }
@media (max-width: 768px) { .footer-desc { margin-left: auto; margin-right: auto; } }
.footer-nav h4 { color: #fff; font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: var(--spacing-md); }
.footer-nav ul { list-style: none; padding: 0; margin: 0; }
.footer-nav li { margin-bottom: var(--spacing-xs); }
.footer-nav a { font-size: 0.9375rem; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.2); padding-top: var(--spacing-lg); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--spacing-sm); }
.footer-legal { display: flex; gap: var(--spacing-md); }
.footer-legal a { font-size: 0.875rem; opacity: 0.9; }
@media (max-width: 640px) { .footer-bottom { flex-direction: column; text-align: center; } }

.page-header { padding: var(--spacing-xl) 0; background: var(--color-bg-alt); border-bottom: 1px solid var(--color-border); }
.page-header h1 { margin-bottom: var(--spacing-xs); }
.page-header p { margin-bottom: 0; font-size: 1.125rem; }

.prose { max-width: 720px; }
.prose h2 { margin-top: var(--spacing-xl); padding-top: var(--spacing-lg); border-top: 1px solid var(--color-border); }
.prose h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.prose ul, .prose ol { margin-bottom: var(--spacing-md); padding-left: 1.5rem; }
.prose li { margin-bottom: var(--spacing-xs); color: var(--color-text-light); }

.contact-form { max-width: 560px; }
.form-group { margin-bottom: var(--spacing-md); }
.form-group label { display: block; font-weight: 500; margin-bottom: var(--spacing-xs); color: var(--color-text); }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 0.75rem 1rem; font-size: 1rem; font-family: inherit; border: 1px solid var(--color-border); border-radius: var(--radius); transition: border-color var(--transition); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.2); }
.form-group textarea { min-height: 150px; resize: vertical; }
.form-group select { cursor: pointer; }
.form-error { color: #c53030; font-size: 0.875rem; margin-top: var(--spacing-xs); }
.form-success { background: #c6f6d5; color: #276749; padding: var(--spacing-md); border-radius: var(--radius); margin-bottom: var(--spacing-md); }
.contact-info { padding: var(--spacing-lg); background: var(--color-bg-alt); border-radius: var(--radius-lg); }
.contact-info h3 { margin-top: 0; }
.contact-info p { margin-bottom: var(--spacing-xs); }
.contact-info a { font-weight: 500; }
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--spacing-lg); max-width: 720px; }

.policy-box { background: var(--color-bg-alt); border-left: 4px solid var(--color-primary); padding: var(--spacing-md); margin: var(--spacing-md) 0; border-radius: 0 var(--radius) var(--radius) 0; }
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-lg { margin-top: var(--spacing-lg); }