/* ================================================================
   Mollitiam Solutions
   Palette: Navy #0f3460 · Gold #c5982e · White · Off-white #f5f7fb
   ================================================================ */

:root {
  --navy:       #0f3460;
  --navy-dk:    #071e3d;
  --navy-md:    #1a4a8a;
  --navy-lt:    #e8eef8;
  --gold:       #c5982e;
  --gold-lt:    #e8c86a;
  --white:      #ffffff;
  --off-white:  #f5f7fb;
  --text:       #1e293b;
  --text-md:    #475569;
  --text-lt:    #94a3b8;
  --border:     #dde3ef;
  --shadow-sm:  0 2px 8px rgba(15,52,96,0.08);
  --shadow:     0 4px 24px rgba(15,52,96,0.12);
  --shadow-lg:  0 8px 40px rgba(15,52,96,0.18);
  --font:       'Open Sans', sans-serif;
  --nav-h:      72px;
  --radius:     4px;
  --ease:       cubic-bezier(0.16, 1, 0.3, 1);
  --t:          0.28s;
}

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--text-md); background: var(--white); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--navy); text-decoration: none; transition: color var(--t); }
a:hover { color: var(--navy-md); }
ul { list-style: none; }
address { font-style: normal; }
button { cursor: pointer; font-family: var(--font); border: none; background: none; }
h1, h2, h3, h4 { color: var(--text); line-height: 1.25; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 32px; }

/* ── Header ──────────────────────────────────────────────────── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--navy-dk);
  border-bottom: 1px solid rgba(255,255,255,0);
  transition: border-color var(--t), box-shadow var(--t);
}
.header.scrolled {
  box-shadow: 0 2px 20px rgba(7,30,61,0.5);
  border-bottom-color: rgba(255,255,255,0.07);
}

.nav-container { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); }

.navbar-brand { display: flex; align-items: center; gap: 10px; }
.logo { height: 38px; width: auto; }
.brand-suffix {
  color: rgba(255,255,255,0.45); font-size: 10px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
}

.nav-links { display: flex; align-items: center; }
.nav-link {
  display: block; padding: 0 18px; height: var(--nav-h); line-height: var(--nav-h);
  font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em;
  color: rgba(255,255,255,0.7);
  transition: color var(--t);
}
.nav-link:hover { color: var(--white); }

.menu-toggle {
  display: none; flex-direction: column; justify-content: space-between;
  width: 26px; height: 18px; padding: 0;
}
.menu-toggle span {
  display: block; height: 2px; background: var(--white);
  border-radius: 1px; transition: transform var(--t), opacity var(--t);
}
.menu-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-block; padding: 13px 28px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  border-radius: var(--radius); border: 2px solid transparent;
  text-decoration: none; transition: all var(--t);
}
.btn-gold {
  background: var(--gold); color: var(--white); border-color: var(--gold);
}
.btn-gold:hover { background: #b0861e; border-color: #b0861e; color: var(--white); }
.btn-outline-white {
  background: transparent; color: var(--white); border-color: rgba(255,255,255,0.5);
}
.btn-outline-white:hover { background: rgba(255,255,255,0.1); border-color: var(--white); color: var(--white); }
.btn-navy {
  background: var(--navy); color: var(--white); border-color: var(--navy);
}
.btn-navy:hover { background: var(--navy-md); border-color: var(--navy-md); color: var(--white); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--navy); border-bottom: 2px solid var(--navy);
  padding-bottom: 2px; transition: gap var(--t), color var(--t);
}
.link-arrow:hover { gap: 14px; color: var(--navy-md); }

/* ── Section common ──────────────────────────────────────────── */
.section { padding: 90px 0; }
.section-label {
  display: inline-block; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.15em; color: var(--gold);
  margin-bottom: 12px;
}
.section-label-lt {
  display: inline-block; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.15em; color: var(--gold-lt);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800;
  color: var(--text); margin-bottom: 12px; line-height: 1.2;
}
.section-title-lt {
  font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800;
  color: var(--white); margin-bottom: 12px; line-height: 1.2;
}
.section-intro {
  font-size: 1.05rem; color: var(--text-md); max-width: 640px;
  margin-bottom: 48px;
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  background: url('../img/backgrounds/bg-hex.png') center/cover no-repeat;
  background-color: var(--navy-dk);
  padding-top: var(--nav-h);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(7,30,61,0.94) 0%, rgba(15,52,96,0.88) 60%, rgba(7,30,61,0.92) 100%);
}
.hero-content { position: relative; z-index: 1; padding: 80px 0; max-width: 760px; }

.hero-eyebrow {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.15em; color: var(--gold-lt);
  margin-bottom: 28px; display: block;
}
.hero-headline {
  font-size: clamp(2.4rem, 5.5vw, 5rem); font-weight: 800;
  color: var(--white); line-height: 1.05;
  margin-bottom: 28px; letter-spacing: -0.02em;
}
.hero-sub {
  font-size: 1.1rem; color: rgba(255,255,255,0.75);
  max-width: 600px; line-height: 1.75;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ── About ───────────────────────────────────────────────────── */
.section-about { background: var(--white); border-top: 4px solid var(--gold); }

.section-about .section-label { display: block; margin-bottom: 10px; }
.about-full-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  margin-bottom: 52px;
}
.about-grid { display: grid; grid-template-columns: 1fr 380px; gap: 72px; align-items: start; }

.about-lead {
  font-size: 1.05rem; font-weight: 600; color: var(--text);
  line-height: 1.65; margin-bottom: 1.1rem;
}
.about-text p { color: var(--text-md); margin-bottom: 1rem; }
.about-text .link-arrow { margin-top: 8px; }

.callouts-heading {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--gold); margin-bottom: 20px;
}
.about-callouts { display: flex; flex-direction: column; gap: 0; }
.callout-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 18px 0; border-bottom: 1px solid var(--border);
}
.callout-item:first-of-type { border-top: 1px solid var(--border); }
.callout-num {
  flex-shrink: 0; font-size: 10px; font-weight: 800; letter-spacing: 0.1em;
  color: var(--gold); text-transform: uppercase; padding-top: 3px;
  min-width: 22px;
}
.callout-body strong {
  display: block; font-size: 0.9rem; font-weight: 700;
  color: var(--text); margin-bottom: 4px;
}
.callout-body p { font-size: 0.84rem; color: var(--text-md); line-height: 1.6; margin: 0; }

/* ── Services: affiliations footer ──────────────────────────── */
.svc-affiliations {
  margin-top: 56px; padding-top: 40px;
  border-top: 2px solid var(--border);
}
.svc-affiliations .section-label { display: block; margin-bottom: 20px; }

.svc-affil-list {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border: 1px solid var(--border);
}
.svc-affil-list li {
  display: flex; flex-direction: column; gap: 4px;
  padding: 20px 24px;
  border-right: 1px solid var(--border);
}
.svc-affil-list li:last-child { border-right: none; }
.svc-affil-list strong { font-size: 0.88rem; font-weight: 700; color: var(--text); }
.svc-affil-list span { font-size: 0.8rem; color: var(--text-md); line-height: 1.5; }

/* ── Services ────────────────────────────────────────────────── */
.section-services { background: var(--off-white); }

.svc-tabs {
  display: flex; gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 40px;
}
.svc-tab {
  display: flex; flex-direction: column; gap: 3px;
  padding: 0 32px 20px 0;
  background: none; text-align: left;
  position: relative;
  transition: opacity var(--t);
  font-family: var(--font);
}
.svc-tab::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 3px;
  background: var(--gold);
  transition: width 0.35s var(--ease);
}
.svc-tab.is-active::after { width: calc(100% - 32px); }
.svc-tab:not(.is-active) { opacity: 0.4; }
.svc-tab:not(.is-active):hover { opacity: 0.7; }

.tab-num {
  font-size: 10px; font-weight: 800; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--gold);
}
.svc-tab:not(.is-active) .tab-num { color: var(--text-lt); }
.tab-name { font-size: 1rem; font-weight: 700; color: var(--text); white-space: nowrap; }

.svc-panel { display: none; animation: fadeUp 0.3s var(--ease); }
.svc-panel.is-active { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.panel-lead {
  font-size: 1rem; color: var(--text-md); max-width: 680px;
  margin-bottom: 36px; line-height: 1.75;
}

.svc-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.svc-card {
  background: var(--white); border-radius: var(--radius);
  padding: 32px 28px; border: 1px solid var(--border);
  border-top: 3px solid var(--navy);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--t), transform var(--t);
}
.svc-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.svc-card-icon {
  width: 32px; height: 32px; color: var(--navy);
  margin-bottom: 16px;
}
.svc-card-icon svg { width: 32px; height: 32px; }
.svc-card h4 {
  font-size: 0.95rem; font-weight: 700; color: var(--text);
  margin-bottom: 10px;
}
.svc-card p { font-size: 0.88rem; color: var(--text-md); line-height: 1.7; }

/* ── AIUC callout band ───────────────────────────────────────── */
/* ── AIUC panel badge (inside Responsible AI tab) ────────────── */
.panel-lead-row {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 24px; margin-bottom: 36px; flex-wrap: wrap;
}
.panel-lead-row .panel-lead { margin-bottom: 0; }
.aiuc-panel-badge {
  flex-shrink: 0; font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em;
  background: var(--navy); color: var(--white);
  border: 1px solid var(--navy-md);
  padding: 6px 12px; border-radius: var(--radius);
  white-space: nowrap; align-self: flex-start;
}

/* ── Approach ────────────────────────────────────────────────── */
.section-approach {
  position: relative; padding: 90px 0;
  background: url('../img/backgrounds/bg-geo.png') center/cover no-repeat;
  background-color: var(--navy-dk);
}
.approach-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(7,30,61,0.95) 0%, rgba(15,52,96,0.9) 100%);
}
.approach-content { position: relative; z-index: 1; }
.approach-intro { font-size: 1rem; color: rgba(255,255,255,0.65); max-width: 560px; margin-bottom: 52px; }

.approach-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 2px; background: rgba(255,255,255,0.06); }
.approach-step {
  padding: 36px 28px; background: rgba(7,30,61,0.5);
  transition: background var(--t);
}
.approach-step:hover { background: rgba(15,52,96,0.5); }
.a-num {
  display: block; font-size: 2.2rem; font-weight: 800;
  color: var(--gold); opacity: 0.6; line-height: 1; margin-bottom: 16px;
  letter-spacing: -0.03em;
}
.approach-step h3 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 10px; }
.approach-step p { font-size: 0.88rem; color: rgba(255,255,255,0.6); line-height: 1.7; }

/* ── Case Studies ────────────────────────────────────────────── */
.section-work { background: var(--white); }

.work-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.work-card {
  background: var(--white); border-radius: var(--radius);
  border: 1px solid var(--border); padding: 28px;
  transition: box-shadow var(--t), border-color var(--t);
}
.work-card:hover { box-shadow: var(--shadow); border-color: var(--navy-lt); }

.work-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.tag-primary {
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  background: var(--navy); color: var(--white);
  padding: 3px 8px; border-radius: 2px;
}
.tag-secondary {
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  background: var(--navy-lt); color: var(--navy);
  padding: 3px 8px; border-radius: 2px;
}

.work-card h3 { font-size: 0.97rem; font-weight: 700; color: var(--text); margin-bottom: 10px; line-height: 1.35; }
.work-card p { font-size: 0.88rem; color: var(--text-md); line-height: 1.65; margin-bottom: 14px; }

.work-meta { border-top: 1px solid var(--border); padding-top: 12px; }
.work-meta li { font-size: 0.78rem; color: var(--text-lt); margin-bottom: 4px; padding-left: 10px; position: relative; }
.work-meta li::before { content: '·'; position: absolute; left: 0; }

/* ── New Applications ────────────────────────────────────────── */
.section-releases { background: var(--off-white); }

.releases-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.release-card {
  background: var(--white); border-radius: var(--radius);
  border: 1px solid var(--border); padding: 28px 24px;
  transition: box-shadow var(--t); display: flex; flex-direction: column;
}
.release-card:hover { box-shadow: var(--shadow); }
.release-card h3 { font-size: 0.95rem; font-weight: 700; color: var(--text); margin: 12px 0 8px; }
.release-card p { font-size: 0.87rem; color: var(--text-md); line-height: 1.65; margin-bottom: 16px; flex: 1; }

.release-link {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.8rem; font-weight: 700; color: var(--navy);
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-top: 12px; transition: gap var(--t), color var(--t);
}
.release-link:hover { gap: 10px; color: var(--navy-md); }

.release-status {
  display: inline-block; font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  padding: 3px 9px; border-radius: 2px;
}
.status-live { background: #d1fae5; color: #065f46; }
.status-dev  { background: var(--navy-lt); color: var(--navy); }

.release-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.release-tags span {
  font-size: 0.75rem; color: var(--text-lt);
  background: var(--off-white); border: 1px solid var(--border);
  padding: 3px 8px; border-radius: 2px;
}

/* ── Contact ─────────────────────────────────────────────────── */
.section-contact {
  position: relative; padding: 100px 0;
  background: url('../img/backgrounds/bg-wave.png') center/cover no-repeat;
  background-color: var(--navy-dk);
}
.contact-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(7,30,61,0.96) 0%, rgba(15,52,96,0.92) 100%);
}
.contact-content { position: relative; z-index: 1; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }

.contact-left .section-label-lt { display: block; }
.contact-heading {
  font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 800;
  color: var(--white); line-height: 1.1; margin-bottom: 16px;
}
.contact-sub { font-size: 1rem; color: rgba(255,255,255,0.6); margin-bottom: 32px; max-width: 380px; }

.contact-detail-block { margin-bottom: 20px; }
.contact-detail-label {
  display: block; font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em; color: var(--gold-lt);
  margin-bottom: 4px;
}
.contact-detail-block address,
.contact-detail-block a {
  font-size: 0.92rem; color: rgba(255,255,255,0.75); line-height: 1.6;
  display: block;
}
.contact-detail-block a:hover { color: var(--white); }

.contact-social { margin-bottom: 28px; }
.social-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.88rem; font-weight: 600; color: rgba(255,255,255,0.55);
  transition: color var(--t);
}
.social-link:hover { color: var(--white); }

.ai-badge { width: 150px; margin-top: 24px; }

/* ── Contact form ────────────────────────────────────────────── */
.contact-form { display: flex; flex-direction: column; gap: 16px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: rgba(255,255,255,0.5);
}
.req { color: var(--gold-lt); }

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-family: var(--font); font-size: 0.9rem;
  color: var(--white);
  outline: none;
  transition: border-color var(--t), background var(--t);
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.25); }
.form-group select { appearance: none; cursor: pointer; }
.form-group select option { background: var(--navy-dk); color: var(--white); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  background: rgba(255,255,255,0.09);
}
.form-group input:invalid:not(:placeholder-shown),
.form-group select:invalid,
.form-group textarea:invalid:not(:placeholder-shown) {
  border-color: rgba(239,68,68,0.5);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.form-submit { margin-top: 4px; align-self: flex-start; min-width: 160px; }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.form-feedback {
  font-size: 0.88rem; padding: 12px 16px; border-radius: var(--radius);
  margin-top: 4px; line-height: 1.5;
}
.feedback-success { background: rgba(16,185,129,0.15); color: #6ee7b7; border: 1px solid rgba(16,185,129,0.3); }
.feedback-error   { background: rgba(239,68,68,0.12);  color: #fca5a5; border: 1px solid rgba(239,68,68,0.3); }

/* ── Footer ──────────────────────────────────────────────────── */
.footer {
  background: #040f1f; padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; }
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.25); }
.footer-link { font-size: 12px; color: rgba(255,255,255,0.25); transition: color var(--t); }
.footer-link:hover { color: rgba(255,255,255,0.6); }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .releases-grid { grid-template-columns: repeat(3,1fr); }
}
@media (max-width: 991px) {
  .svc-cards { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: repeat(2,1fr); }
  .approach-grid { grid-template-columns: repeat(2,1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .panel-lead-row { flex-direction: column; gap: 16px; }
  .releases-grid { grid-template-columns: repeat(3,1fr); }
  .svc-affil-list { grid-template-columns: repeat(2,1fr); }
  .svc-affil-list li:nth-child(2) { border-right: none; }
  .svc-affil-list li:nth-child(1),
  .svc-affil-list li:nth-child(2) { border-bottom: 1px solid var(--border); }
}
@media (max-width: 767px) {
  .menu-toggle { display: flex; }
  .nav-links {
    display: none; position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    background: var(--navy-dk); flex-direction: column;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 8px 0 20px;
  }
  .nav-links.open { display: flex; }
  .nav-link { height: auto; line-height: 1; padding: 14px 24px; }
  .svc-tabs { flex-wrap: wrap; gap: 0; }
  .svc-tab { padding: 0 16px 16px 0; }
  .svc-tab::after { width: 0 !important; }
  .svc-tab.is-active .tab-name { color: var(--navy); }
  .work-grid { grid-template-columns: 1fr; }
  .releases-grid { grid-template-columns: 1fr; }
  .approach-grid { grid-template-columns: 1fr; }
  .svc-affil-list { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .svc-affil-list li { border-right: none !important; border-bottom: 1px solid var(--border); }
  .svc-affil-list li:last-child { border-bottom: none; }
  .hero-actions { flex-direction: column; gap: 12px; }
  .hero-actions .btn { text-align: center; }
  .section { padding: 64px 0; }
}