/* ==========================================================================
   Clarke Capital LLC - Mortgage Website
   Mobile-first, forest green & light blue palette
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Primary: forest green */
  --color-forest: #1B4D3E;
  --color-forest-dark: #143829;
  --color-forest-light: #2D6A5A;

  /* Accent: light blue */
  --color-blue: #7BA3B8;
  --color-blue-light: #B8D4E3;
  --color-blue-pale: #E8F2F6;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-off-white: #F8FAFB;
  --color-gray-100: #F0F4F5;
  --color-gray-200: #E2E8EA;
  --color-gray-500: #6B7B7E;
  --color-gray-700: #3D484A;
  --color-gray-900: #1A2021;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 1rem;
  --line-height-base: 1.6;
  --line-height-tight: 1.35;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;

  /* Layout */
  --max-width: 720px;
  --max-width-wide: 960px;
  --gutter: 1.25rem;
  --header-height: 64px;

  /* Borders & radius */
  --radius: 6px;
  --radius-lg: 10px;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-gray-900);
  background-color: var(--color-white);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  margin: 0 0 var(--space-sm);
  line-height: var(--line-height-tight);
  color: var(--color-forest-dark);
  font-weight: 600;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

p {
  margin: 0 0 var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

.lead {
  font-size: 1.125rem;
  color: var(--color-gray-700);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.container--wide {
  max-width: var(--max-width-wide);
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  padding-top: var(--space-sm);
  padding-bottom: var(--space-sm);
}

.site-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-forest-dark);
  display: flex;
  align-items: center;
}

.site-logo:hover {
  text-decoration: none;
  color: var(--color-forest);
}

.site-logo__img {
  max-height: 56px;
  width: auto;
  display: block;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  align-items: center;
  justify-content: flex-end;
}

.site-nav__link {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.9375rem;
  color: var(--color-gray-700);
  border-radius: var(--radius);
}

.site-nav__link:hover {
  color: var(--color-forest);
  background-color: var(--color-blue-pale);
  text-decoration: none;
}

.site-nav__link--cta {
  background-color: var(--color-forest);
  color: var(--color-white);
}

.site-nav__link--cta:hover {
  background-color: var(--color-forest-dark);
  color: var(--color-white);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
  background: linear-gradient(180deg, var(--color-blue-pale) 0%, var(--color-white) 100%);
}

.hero--with-image {
  background: linear-gradient(180deg, rgba(27, 77, 62, 0.75) 0%, rgba(20, 56, 41, 0.85) 100%),
    url("../assets/hero.webp") center center / cover no-repeat;
}

.hero--with-image .hero__title,
.hero--with-image .hero__text {
  color: var(--color-white);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hero--with-image .hero__text {
  opacity: 0.95;
}

.hero--alt {
  background: linear-gradient(180deg, var(--color-forest) 0%, var(--color-forest-dark) 100%);
}

.hero--alt .hero__title,
.hero--alt .hero__text {
  color: var(--color-white);
}

.hero--alt .hero__text {
  opacity: 0.95;
}

.hero__title {
  margin-bottom: var(--space-md);
}

.hero__text {
  max-width: 42ch;
  margin-bottom: var(--space-lg);
  color: var(--color-gray-700);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn--primary {
  background-color: var(--color-forest);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-forest-dark);
  text-decoration: none;
  color: var(--color-white);
}

.btn--secondary {
  background-color: var(--color-blue-light);
  color: var(--color-forest-dark);
}

.btn--secondary:hover {
  background-color: var(--color-blue);
  color: var(--color-white);
  text-decoration: none;
}

.btn--light {
  background-color: var(--color-white);
  color: var(--color-forest);
}

.btn--light:hover {
  background-color: var(--color-gray-100);
  color: var(--color-forest-dark);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   Main content sections
   -------------------------------------------------------------------------- */
.main {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.section {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.section + .section {
  padding-top: 0;
}

.section--alt {
  background-color: var(--color-off-white);
}

.section__title {
  margin-bottom: var(--space-md);
}

.section__intro {
  max-width: 65ch;
  margin-bottom: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Card / feature blocks
   -------------------------------------------------------------------------- */
.card-grid {
  display: grid;
  gap: var(--space-lg);
}

.card {
  padding: var(--space-lg);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
}

.card__title {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.card p {
  margin-bottom: var(--space-sm);
  font-size: 0.9375rem;
}

.card p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   CTA block (contact/apply)
   -------------------------------------------------------------------------- */
.cta-block {
  padding: var(--space-xl) 0;
  background-color: var(--color-forest);
  color: var(--color-white);
}

.cta-block__title {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.cta-block__text {
  margin-bottom: var(--space-lg);
  opacity: 0.95;
  max-width: 50ch;
}

.cta-block .btn--light {
  margin-top: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
  background-color: var(--color-gray-900);
  color: var(--color-gray-200);
  font-size: 0.875rem;
}

.site-footer a {
  color: var(--color-blue-light);
}

.site-footer a:hover {
  color: var(--color-white);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  justify-content: space-between;
  align-items: center;
}

.site-footer__legal {
  margin: 0;
  opacity: 0.9;
}

/* --------------------------------------------------------------------------
   Utility
   -------------------------------------------------------------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }

/* --------------------------------------------------------------------------
   Contact page form styling (structure only; form can link out)
   -------------------------------------------------------------------------- */
.contact-info {
  margin-bottom: var(--space-lg);
}

.contact-info p {
  margin-bottom: var(--space-xs);
}

.contact-options {
  margin-top: var(--space-lg);
}

.contact-options h3 {
  margin-bottom: var(--space-sm);
}

.contact-options ul {
  margin: 0;
  padding-left: 1.25rem;
}

.contact-options li {
  margin-bottom: var(--space-xs);
}

/* --------------------------------------------------------------------------
   Tablet and up
   -------------------------------------------------------------------------- */
@media (min-width: 640px) {
  :root {
    --gutter: 2rem;
  }

  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }

  .hero {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }

  .hero__text {
    font-size: 1.125rem;
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-nav {
    gap: var(--space-sm);
  }
}

@media (min-width: 880px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}