/* Athena H2 Solutions — site styles
   Brand palette pulled from logo: navy text + sky blue + leaf green on white. */

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

:root {
  --navy-900: #0a1f3a;
  --navy-700: #14365b;
  --navy-500: #2c5183;
  --blue-700: #1a73c8;
  --blue-500: #2196f3;
  --blue-300: #4cb8e8;
  --blue-100: #d6ecf8;
  --green-700: #2e8b3c;
  --green-500: #4cb850;
  --green-300: #82d886;
  --green-100: #dcefdc;
  --gray-900: #0d1b2a;
  --gray-700: #3d4b5c;
  --gray-500: #6b7785;
  --gray-200: #dde3eb;
  --gray-100: #f2f5f9;
  --white: #ffffff;
  --shadow: 0 2px 14px rgba(10,37,64,0.08);
  --shadow-lg: 0 12px 32px rgba(10,37,64,0.16);
  --radius: 6px;
}

html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue-700); text-decoration: none; }
a:hover { color: var(--blue-500); }

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- header ---------- */
header.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1rem; padding-bottom: 1rem;
  gap: 1.5rem;
}
.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-weight: 700; color: var(--navy-700);
  font-size: 1.05rem; letter-spacing: 0.02em;
}
.brand-tag { font-size: 0.78rem; color: var(--green-700); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
.brand-logo {
  width: 56px; height: 56px;
  object-fit: contain;
  flex-shrink: 0;
}

nav.main-nav ul { list-style: none; display: flex; gap: 1.6rem; }
nav.main-nav a {
  color: var(--gray-700); font-weight: 500; font-size: 0.93rem;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s, color 0.15s;
}
nav.main-nav a:hover, nav.main-nav a.active {
  color: var(--navy-700);
  border-bottom-color: var(--blue-500);
}
.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  padding: 0.4rem; color: var(--navy-700);
}
.nav-toggle svg { width: 28px; height: 28px; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  nav.main-nav { display: none; width: 100%; }
  nav.main-nav.open { display: block; }
  .site-header .container { flex-wrap: wrap; }
  nav.main-nav ul { flex-direction: column; gap: 0; padding-top: 0.75rem; }
  nav.main-nav li { border-top: 1px solid var(--gray-200); }
  nav.main-nav a { display: block; padding: 0.85rem 0; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.95rem 1.85rem;
  border-radius: var(--radius);
  font-weight: 600; font-size: 1rem;
  cursor: pointer; border: 2px solid transparent;
  transition: transform 0.1s, background 0.15s, color 0.15s, border-color 0.15s;
  letter-spacing: 0.02em;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--green-500); color: var(--white); }
.btn-primary:hover { background: var(--green-700); color: var(--white); }
.btn-secondary { background: var(--navy-700); color: var(--white); }
.btn-secondary:hover { background: var(--navy-900); color: var(--white); }
.btn-outline { background: transparent; color: var(--navy-700); border-color: var(--navy-700); }
.btn-outline:hover { background: var(--navy-700); color: var(--white); }
.btn-light { background: var(--white); color: var(--navy-700); }
.btn-light:hover { background: var(--gray-100); color: var(--navy-900); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 45%, var(--blue-700) 80%, var(--green-700) 100%);
  color: var(--white);
  padding: 6rem 0 5rem;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url('../img/hero-bg.png');
  background-size: cover; background-position: center;
  opacity: 0.18;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero .eyebrow {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(20,133,125,0.25);
  border: 1px solid rgba(20,133,125,0.5);
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
  color: var(--blue-100);
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  font-weight: 700;
  max-width: 880px;
}
.hero p.lede {
  font-size: 1.18rem;
  max-width: 760px;
  margin-bottom: 2rem;
  color: rgba(255,255,255,0.88);
  line-height: 1.6;
}
.hero .cta-row { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero.compact { padding: 3.5rem 0 3rem; }
.hero.compact h1 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); }

/* ---------- sections ---------- */
section { padding: 5rem 0; }
section.alt { background: var(--gray-100); }
section.dark { background: var(--navy-700); color: var(--white); }
section.dark a { color: var(--blue-100); }

.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header .eyebrow {
  display: inline-block;
  font-size: 0.82rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--blue-700);
  margin-bottom: 0.75rem;
}
section.dark .section-header .eyebrow { color: var(--blue-100); }
.section-header h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  color: var(--navy-700); margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
section.dark .section-header h2 { color: var(--white); }
.section-header p.subhead {
  color: var(--gray-700); max-width: 700px; margin: 0 auto;
  font-size: 1.05rem;
}
section.dark .section-header p.subhead { color: rgba(255,255,255,0.78); }

/* ---------- card grid ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.card-grid.two { grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); }
@media (max-width: 760px) {
  .card-grid.two { grid-template-columns: 1fr; }
}

.card {
  background: var(--white);
  padding: 2rem 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--blue-500); }
.card .icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--blue-300), var(--green-500));
  color: var(--white);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.1rem;
  font-size: 1.6rem; font-weight: 700;
}
.card h3 {
  color: var(--navy-700);
  margin-bottom: 0.6rem;
  font-size: 1.2rem;
  font-weight: 700;
}
.card p { color: var(--gray-700); font-size: 0.97rem; }

/* ---------- numbered process ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  position: relative;
}
.process-step {
  position: relative;
  text-align: center;
  padding: 1.5rem 1rem;
}
.process-step .num {
  width: 64px; height: 64px;
  margin: 0 auto 1rem;
  background: var(--navy-700);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 700;
  box-shadow: 0 4px 16px rgba(20,133,125,0.3);
}
.process-step h3 {
  color: var(--navy-700); margin-bottom: 0.4rem;
  font-size: 1.1rem;
}
.process-step p {
  color: var(--gray-700);
  font-size: 0.93rem;
}

/* ---------- stats / metrics ---------- */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}
.metric .number {
  font-size: 3rem; line-height: 1;
  color: var(--blue-500); font-weight: 800;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}
section.dark .metric .number { color: var(--green-500); }
.metric .label {
  color: var(--gray-700); font-size: 0.9rem;
  text-transform: uppercase; letter-spacing: 0.1em;
  font-weight: 600;
}
section.dark .metric .label { color: rgba(255,255,255,0.85); }

/* ---------- about / split layout ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.split img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.split h2 { color: var(--navy-700); margin-bottom: 1rem; font-size: clamp(1.5rem, 3vw, 2.2rem); }
.split p { color: var(--gray-700); margin-bottom: 1rem; font-size: 1.02rem; }
.split ul { list-style: none; margin-top: 1rem; }
.split li {
  padding: 0.5rem 0 0.5rem 2rem;
  position: relative;
  color: var(--gray-700);
}
.split li::before {
  content: "✓";
  position: absolute; left: 0; top: 0.4rem;
  width: 20px; height: 20px;
  background: var(--blue-500); color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700;
}
@media (max-width: 760px) {
  .split { grid-template-columns: 1fr; gap: 2rem; }
}

/* ---------- contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}
@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info .info-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 1rem;
  display: flex; gap: 1rem; align-items: flex-start;
  border-left: 3px solid var(--blue-500);
}
.contact-info .info-card .icon {
  flex-shrink: 0; width: 44px; height: 44px;
  background: var(--blue-100); color: var(--blue-700);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
}
.contact-info .info-card h4 {
  color: var(--navy-700); font-size: 1rem;
  margin-bottom: 0.25rem;
}
.contact-info .info-card a, .contact-info .info-card p {
  color: var(--gray-700); font-size: 0.97rem;
}

.contact-form {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-top: 4px solid var(--blue-500);
}
.contact-form h3 { color: var(--navy-700); margin-bottom: 1rem; font-size: 1.3rem; }
.contact-form label {
  display: block;
  font-size: 0.9rem; font-weight: 600;
  color: var(--gray-700); margin-bottom: 0.4rem;
  margin-top: 1rem;
}
.contact-form label:first-of-type { margin-top: 0; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: inherit; font-size: 1rem;
  transition: border-color 0.15s;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--blue-500);
}
.contact-form textarea { resize: vertical; min-height: 130px; }
.contact-form button { margin-top: 1.4rem; width: 100%; }

/* ---------- footer ---------- */
footer.site-footer {
  background: var(--navy-900);
  color: rgba(255,255,255,0.85);
  padding: 3rem 0 1.5rem;
}
footer .footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2rem;
}
@media (max-width: 760px) { footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media (max-width: 480px) { footer .footer-grid { grid-template-columns: 1fr; } }

footer h5 {
  color: var(--white);
  font-size: 0.85rem; text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}
footer ul { list-style: none; }
footer li { padding: 0.3rem 0; }
footer a { color: rgba(255,255,255,0.72); font-size: 0.93rem; }
footer a:hover { color: var(--white); }
footer p.tagline-foot {
  color: rgba(255,255,255,0.7);
  font-size: 0.92rem;
  line-height: 1.7;
}
footer .footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.25rem;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
}

/* CTA strip */
.cta-strip {
  background: linear-gradient(135deg, var(--blue-700) 0%, var(--navy-700) 50%, var(--green-700) 100%);
  color: var(--white);
  padding: 3.5rem 0;
  text-align: center;
}
.cta-strip h3 { font-size: clamp(1.4rem, 2.6vw, 2rem); margin-bottom: 0.7rem; }
.cta-strip p { margin-bottom: 1.5rem; opacity: 0.92; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-strip .btn-primary { background: var(--green-500); color: var(--white); }
.cta-strip .btn-primary:hover { background: var(--green-700); }

/* ---------- portrait block ---------- */
.portrait-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 360px;
}
.portrait-card img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.portrait-card .info { padding: 1.5rem; }
.portrait-card h4 { color: var(--navy-700); margin-bottom: 0.25rem; font-size: 1.2rem; }
.portrait-card .role { color: var(--blue-700); font-weight: 600; font-size: 0.95rem; margin-bottom: 0.75rem; }
.portrait-card p { color: var(--gray-700); font-size: 0.95rem; }