/* M3 Management Corp. — brand styles */
:root {
  --navy: #002147;
  --gray: #808285;
  --dark: #1a1a1b;
  --light-bg: #f7f8fa;
  --white: #ffffff;
  --max-width: 1100px;
  --font: "Montserrat", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--dark);
  background: var(--white);
}

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

a {
  color: var(--navy);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--gray);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid rgba(0, 33, 71, 0.1);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo-link {
  flex-shrink: 0;
}

.logo-link img {
  height: 56px;
  width: auto;
}

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--navy);
  border-radius: 4px;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  color: var(--navy);
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.25rem;
}

.site-nav a {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dark);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--navy);
}

/* Hero */
.hero {
  position: relative;
  isolation: isolate;
  color: var(--white);
  text-align: center;
  padding: 5.5rem 1.5rem 4.5rem;
  min-height: clamp(420px, 72vh, 640px);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--navy);
  background-image: url("../assets/hero-cover-1280.webp");
  background-size: cover;
  background-position: center 40%;
}

@media (min-width: 769px) {
  .hero {
    background-image: url("../assets/hero-cover.webp");
  }
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(
    160deg,
    rgba(0, 33, 71, 0.9) 0%,
    rgba(0, 33, 71, 0.78) 45%,
    rgba(0, 51, 102, 0.72) 100%
  );
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.hero-credit {
  position: absolute;
  right: 1rem;
  bottom: 0.75rem;
  z-index: 1;
  margin: 0;
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  opacity: 0.55;
}

.hero-credit a {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.hero-credit a:hover {
  opacity: 1;
  color: var(--white);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.25;
}

.hero .tagline {
  margin: 0 0 2rem;
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-weight: 400;
  opacity: 0.92;
  letter-spacing: 0.04em;
}

.hero .services-strip {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.85;
  line-height: 1.8;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

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

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

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
}

/* Layout */
main {
  min-height: 40vh;
}

.section {
  padding: 4rem 1.5rem;
}

.section-alt {
  background: var(--light-bg);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.02em;
}

.section-header .divider {
  width: 60px;
  height: 3px;
  background: var(--gray);
  margin: 0 auto 1.25rem;
}

.section-header p {
  margin: 0;
  color: var(--gray);
  font-size: 1.05rem;
}

/* Service cards (home) */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--white);
  border: 1px solid rgba(0, 33, 71, 0.1);
  border-radius: 6px;
  padding: 1.75rem;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.section-alt .service-card {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.service-card:hover {
  border-color: var(--navy);
  box-shadow: 0 8px 24px rgba(0, 33, 71, 0.08);
}

.service-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.03em;
}

.service-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--dark);
  line-height: 1.6;
}

/* Service detail (services page) */
.service-block {
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(0, 33, 71, 0.1);
}

.service-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.service-block h3 {
  margin: 0 0 1rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--navy);
}

.service-block p {
  margin: 0 0 1rem;
  max-width: 72ch;
}

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

.topic-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.5rem 1.5rem;
}

.topic-list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.95rem;
}

.topic-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--gray);
  border-radius: 50%;
}

/* About page */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.prose p {
  margin: 0 0 1.25rem;
  max-width: 72ch;
}

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

.highlight-box {
  background: var(--navy);
  color: var(--white);
  padding: 2rem;
  border-radius: 6px;
}

.highlight-box h3 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.highlight-box p {
  margin: 0;
  opacity: 0.95;
  line-height: 1.7;
}

.client-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem 1.5rem;
}

.client-list li {
  padding: 0.75rem 1rem;
  background: var(--white);
  border-left: 3px solid var(--navy);
  font-size: 0.95rem;
  font-weight: 600;
}

.section-alt .client-list li {
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
}

/* CTA */
.cta-section {
  background: var(--navy);
  color: var(--white);
  text-align: center;
  padding: 4rem 1.5rem;
}

.cta-section h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 700;
}

.cta-section p {
  margin: 0 auto 2rem;
  max-width: 520px;
  opacity: 0.9;
  font-size: 1.05rem;
}

.cta-section .btn-primary:hover {
  color: var(--navy);
  background: var(--white);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-form label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-bottom: 1.25rem;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 1rem;
  border: 1px solid rgba(0, 33, 71, 0.2);
  border-radius: 4px;
  background: var(--white);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(0, 33, 71, 0.1);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form-status {
  margin: 1rem 0 0;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  border-radius: 4px;
  border-left: 3px solid var(--gray);
}

.form-status--success {
  background: rgba(0, 33, 71, 0.06);
  border-left-color: var(--navy);
  color: var(--navy);
}

.form-status--error {
  background: rgba(180, 40, 40, 0.08);
  border-left-color: #b42828;
  color: #8b1f1f;
}

.form-status--pending {
  background: var(--light-bg);
  color: var(--gray);
}

.form-status--warn {
  background: rgba(128, 130, 133, 0.12);
  color: var(--dark);
}

.contact-form button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Footer */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 2.5rem 1.5rem;
  text-align: center;
  font-size: 0.8rem;
}

.site-footer .footer-services {
  margin: 0 0 1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.5);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.9);
}

/* Page hero (inner pages) */
.page-hero {
  background: var(--light-bg);
  padding: 3rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid rgba(0, 33, 71, 0.08);
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--navy);
}

.page-hero p {
  margin: 0;
  color: var(--gray);
  font-size: 1.1rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

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

.mt-2 {
  margin-top: 2rem;
}

/* Animations */
@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body:not(.is-loaded) .site-header {
  opacity: 0;
}

body.is-loaded .site-header {
  animation: fadeDown 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

body:not(.is-loaded) .hero-inner > *,
body:not(.is-loaded) .page-hero > * {
  opacity: 0;
}

body.is-loaded .hero-inner > *,
body.is-loaded .page-hero > * {
  animation: fadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

body.is-loaded .hero-inner > *:nth-child(1),
body.is-loaded .page-hero > *:nth-child(1) {
  animation-delay: 0.1s;
}

body.is-loaded .hero-inner > *:nth-child(2),
body.is-loaded .page-hero > *:nth-child(2) {
  animation-delay: 0.22s;
}

body.is-loaded .hero-inner > *:nth-child(3),
body.is-loaded .page-hero > *:nth-child(3) {
  animation-delay: 0.34s;
}

body.is-loaded .hero-inner > *:nth-child(4),
body.is-loaded .page-hero > *:nth-child(4) {
  animation-delay: 0.46s;
}

.animate-in {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

.animate-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-stagger > * {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.animate-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.animate-stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.animate-stagger.is-visible > *:nth-child(2) { transition-delay: 0.1s; }
.animate-stagger.is-visible > *:nth-child(3) { transition-delay: 0.15s; }
.animate-stagger.is-visible > *:nth-child(4) { transition-delay: 0.2s; }
.animate-stagger.is-visible > *:nth-child(5) { transition-delay: 0.25s; }
.animate-stagger.is-visible > *:nth-child(6) { transition-delay: 0.3s; }
.animate-stagger.is-visible > *:nth-child(7) { transition-delay: 0.35s; }
.animate-stagger.is-visible > *:nth-child(8) { transition-delay: 0.4s; }
.animate-stagger.is-visible > *:nth-child(9) { transition-delay: 0.45s; }

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  body.is-loaded .site-header,
  body.is-loaded .hero-inner > *,
  body.is-loaded .page-hero > * {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .animate-in,
  .animate-stagger > * {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid rgba(0, 33, 71, 0.1);
    padding: 0.5rem 0 1rem;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-header {
    position: relative;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: center;
  }

  .two-col,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}