/* =========================================================================
   Meridian Impact Group — styles.css
   Single source of truth: design tokens, base elements, layout, responsive.
   Fonts are self-hosted (woff2) in /fonts. No external dependencies.
   ========================================================================= */

/* ---------- Fonts (self-hosted) ------------------------------------------ */

/* DM Sans — variable weight 100–1000, two unicode ranges */
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 100 1000;
  font-display: swap;
  src: url("fonts/dm-sans-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7,
    U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F,
    U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F,
    U+A720-A7FF;
}
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 100 1000;
  font-display: swap;
  src: url("fonts/dm-sans-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
    U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122,
    U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* Playfair Display — only the three cuts the page actually uses */
@font-face {
  font-family: "Playfair Display";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/playfair-400.woff2") format("woff2");
}
@font-face {
  font-family: "Playfair Display";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/playfair-400-italic.woff2") format("woff2");
}
@font-face {
  font-family: "Playfair Display";
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url("fonts/playfair-900.woff2") format("woff2");
}

/* ---------- Reset ------------------------------------------------------- */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

img,
svg {
  max-width: 100%;
}

/* ---------- Design tokens ----------------------------------------------- */

:root {
  /* Brand colour palette. Burnt Orange is the single brand orange. */
  --mig-orange: #e8522f;
  --mig-orange-deep: #c4421f;
  --mig-orange-soft: #fce0d4;

  --mig-ink: #1a1a2e; /* Near-black / dark navy */
  --mig-ink-2: #2d2d2d; /* Dark charcoal */
  --mig-cream: #f8f5f0; /* Default page background */
  --mig-cream-2: #f1ece3; /* Deeper cream for layering */
  --mig-white: #ffffff;

  --mig-grey-500: #666666;
  --mig-grey-300: #b8b8b8;
  --mig-grey-200: #e8e8e8;

  /* Semantic tokens */
  --bg-page: var(--mig-cream);
  --fg-1: var(--mig-ink); /* primary text / headings */
  --fg-2: var(--mig-grey-500); /* secondary / supporting */
  --fg-3: var(--mig-grey-300); /* low-emphasis */
  --border-1: var(--mig-grey-200);

  /* Type families */
  --font-display: "Playfair Display", "Georgia", "Times New Roman", serif;
  --font-sans: "DM Sans", "Inter", -apple-system, BlinkMacSystemFont,
    "Helvetica Neue", Arial, sans-serif;

  /* Type scale */
  --fs-body: 16px;
  --lh-body: 1.6;
  --lh-heading: 1.15;
  --ls-display: -0.01em;
  --ls-label: 0.1em;
  --ls-pill: 0.12em;

  /* Radii */
  --r-sm: 6px;
  --r-lg: 16px;
  --r-xl: 22px;
  --r-pill: 999px;

  /* Spacing */
  --s-4: 16px;
  --s-6: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(26, 26, 46, 0.06);
  --shadow-md: 0 4px 16px rgba(26, 26, 46, 0.08);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur-base: 220ms;

  /* Layout */
  --container: 1200px;
  --gutter: clamp(20px, 4vw, 48px);
  --nav-h: 84px;
}

/* ---------- Base elements ----------------------------------------------- */

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-page);
  color: var(--fg-1);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  color: var(--fg-1);
  letter-spacing: var(--ls-display);
  line-height: var(--lh-heading);
  font-weight: 900;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

a {
  color: var(--fg-1);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out);
}
a:hover {
  border-bottom-color: var(--mig-orange);
}

::selection {
  background: var(--mig-orange);
  color: var(--mig-white);
}

:focus-visible {
  outline: 2px solid var(--mig-orange);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Sticky-nav anchor offset */
section[id],
header[id] {
  scroll-margin-top: var(--nav-h);
}

/* ---------- Shared helpers ---------------------------------------------- */

.s-wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  background: var(--mig-ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 600;
  transition: top var(--dur-base) var(--ease-out);
}
.skip-link:focus {
  top: 12px;
}

.mig-eyebrow {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ls-label);
  color: var(--fg-1);
  margin: 0 0 16px;
}
.mig-eyebrow--muted {
  color: var(--fg-2);
}
.mig-eyebrow--accent {
  color: var(--mig-orange);
}

/* Signature orange underline */
.mig-rule {
  display: block;
  width: 60px;
  height: 3px;
  background: var(--mig-orange);
  border: 0;
  margin: var(--s-4) 0 var(--s-6);
}
.mig-rule--hero {
  margin: 28px 0;
}

/* Pill badge */
.mig-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--mig-orange);
  color: var(--mig-white);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ls-pill);
  border-radius: var(--r-pill);
  white-space: nowrap;
}
.mig-pill--ghost {
  background: transparent;
  color: var(--mig-orange);
  border: 1px solid var(--mig-orange);
}

/* ---------- Buttons ----------------------------------------------------- */

.s-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  padding: 13px 22px;
  border-radius: var(--r-sm);
  border: 0;
  cursor: pointer;
  line-height: 1;
  text-decoration: none;
  transition: background var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out);
}
.s-btn:hover {
  border-bottom-color: transparent;
}
.s-btn--sm {
  padding: 10px 18px;
  font-size: 13px;
}
.s-btn--primary {
  background: var(--mig-orange);
  color: #fff;
}
.s-btn--primary:hover {
  background: var(--mig-orange-deep);
}
.s-btn--ghost {
  background: transparent;
  color: var(--mig-ink);
  border: 1.5px solid var(--mig-ink);
}
.s-btn--ghost:hover {
  background: var(--mig-ink);
  color: #fff;
}
.s-btn--ghost-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}
.s-btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

/* ---------- Navigation -------------------------------------------------- */

.s-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 245, 240, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-1);
}
.s-nav-inner {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  gap: 32px;
}
.s-brand {
  border: 0;
  flex: 0 0 auto;
  display: inline-flex;
}
.s-brand img {
  height: 42px;
  display: block;
}
.s-nav-links {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.s-nav-links a {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-1);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  text-decoration: none;
  transition: border-color var(--dur-base) var(--ease-out);
}
.s-nav-links a:hover {
  border-bottom-color: var(--mig-orange);
}
.s-nav-cta-desktop {
  flex: 0 0 auto;
}
.s-nav-cta-mobile {
  display: none;
}

/* Hamburger toggle (hidden on desktop) */
.s-nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 0;
  cursor: pointer;
  border-radius: var(--r-sm);
}
.s-nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--mig-ink);
  transition: transform var(--dur-base) var(--ease-out),
    opacity var(--dur-base) var(--ease-out);
}
.s-nav-toggle[aria-expanded="true"] .s-nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.s-nav-toggle[aria-expanded="true"] .s-nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.s-nav-toggle[aria-expanded="true"] .s-nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero -------------------------------------------------------- */

.s-hero {
  padding: 76px 0 100px;
}
.s-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}
.s-hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(40px, 5.4vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.012em;
  margin: 0;
  color: var(--fg-1);
  text-wrap: balance;
}
.s-bar {
  color: var(--mig-orange);
  font-weight: 400;
  padding: 0 2px;
}
.s-accent {
  color: var(--mig-orange);
}
.s-lede {
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.6;
  color: var(--fg-1);
  max-width: 480px;
  margin: 0 0 32px;
}
.s-hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.s-proof {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.s-hero-graphic img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- Principle --------------------------------------------------- */

.s-principle {
  padding: 88px 0;
  background: var(--mig-cream-2);
}
.s-principle-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  text-align: center;
}
.s-principle .mig-eyebrow {
  margin-bottom: 22px;
}
.s-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.25;
  color: var(--fg-1);
  border: 0;
  padding: 0;
  margin: 0;
  text-wrap: balance;
}
.s-principle-sub {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg-2);
  max-width: 600px;
  margin: 28px auto 0;
}

/* ---------- Services ---------------------------------------------------- */

.s-services {
  padding: 96px 0;
}
.s-section-head {
  max-width: 720px;
  margin-bottom: 52px;
}
.s-section-head .mig-eyebrow {
  margin-bottom: 14px;
}
.s-h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--fg-1);
  text-wrap: balance;
}
.s-section-sub {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg-2);
  margin: 0;
}
.s-grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.s-card {
  background: #fff;
  border-radius: var(--r-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}
.s-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.s-card-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 30px;
  color: var(--mig-orange);
  line-height: 1;
}
.s-card-name {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 20px;
  margin: 0;
  color: var(--fg-1);
  letter-spacing: 0;
}
.s-card-desc {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg-2);
  margin: 0;
}

/* ---------- Impact (dark card) ------------------------------------------ */

.s-impact {
  padding: 8px 0 96px;
}
.s-dark-card {
  background: var(--mig-ink);
  border-radius: var(--r-xl);
  padding: 64px 56px;
}
.s-impact-head {
  max-width: 620px;
  margin-bottom: 48px;
}
.s-impact-head .mig-eyebrow {
  margin-bottom: 14px;
}
.s-h2--light {
  color: #fff;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
}
.s-grid4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.s-stat-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 4vw, 60px);
  line-height: 1;
  color: var(--mig-orange);
  margin-bottom: 12px;
}
.s-stat-label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- Final CTA --------------------------------------------------- */

.s-cta {
  padding: 8px 0 80px;
}
.s-cta-card {
  background: var(--mig-ink);
  border-radius: var(--r-xl);
  padding: 80px 56px;
  text-align: center;
}
.s-cta-card .s-h2--light {
  max-width: 760px;
  margin: 0 auto 16px;
  font-size: clamp(32px, 4vw, 52px);
}
.s-cta-sub {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
  max-width: 540px;
  margin: 0 auto 32px;
}
.s-cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Footer ------------------------------------------------------ */

.s-footer {
  background: var(--mig-ink);
  color: #fff;
  padding: 76px 0 36px;
}
.s-footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
}
.s-footer-brand-img {
  width: 230px;
  max-width: 100%;
  display: block;
}
.s-footer-tag {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.65);
  margin: 18px 0 0;
}
.s-footer-h {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
  margin: 0 0 18px;
}
.s-footer a {
  display: block;
  font-family: var(--font-sans);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  padding: 6px 0;
  border: 0;
  text-decoration: none;
  transition: color var(--dur-base) var(--ease-out);
}
.s-footer a:hover {
  color: var(--mig-orange);
}
.s-footer-rule {
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
  margin: 52px 0 24px;
}
.s-footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--font-sans);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- Responsive -------------------------------------------------- */

@media (max-width: 880px) {
  .s-hero-grid {
    grid-template-columns: 1fr;
  }
  .s-grid3,
  .s-grid4 {
    grid-template-columns: 1fr 1fr;
  }
  .s-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .s-hero-graphic {
    display: none; /* decorative graphic — drop on small screens */
  }

  /* Collapse nav into a toggled panel */
  .s-nav-toggle {
    display: inline-flex;
  }
  .s-nav-cta-desktop {
    display: none;
  }
  .s-nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 2px;
    background: var(--mig-cream);
    border-bottom: 1px solid var(--border-1);
    padding: 8px var(--gutter) 20px;
    box-shadow: var(--shadow-md);
    display: none;
  }
  .s-nav-links.is-open {
    display: flex;
  }
  .s-nav-links a {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-1);
  }
  .s-nav-links a:hover {
    border-bottom-color: var(--border-1);
    color: var(--mig-orange);
  }
  .s-nav-cta-mobile {
    display: inline-flex;
    justify-content: center;
    margin-top: 14px;
    border-bottom: 0 !important;
  }
}

@media (max-width: 560px) {
  .s-grid3,
  .s-grid4 {
    grid-template-columns: 1fr;
  }
  .s-dark-card {
    padding: 44px 24px;
  }
  .s-cta-card {
    padding: 56px 24px;
  }
}

/* ---------- Reduced motion ---------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}