/* =============================================================
   Epidemos — Clean Professional Redesign
   Color palette: White · Navy #0D2137 · Teal #1A9E96
   ============================================================= */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
img  { max-width: 100%; display: block; }

:root {
  --navy:        #0D2137;
  --navy-mid:    #1B3A5C;
  --teal:        #1A9E96;
  --teal-bright: #22B8B0;
  --teal-dim:    #137A76;
  --white:       #FFFFFF;
  --light:       #F4F7FA;
  --border:      #DDE3EA;
  --text:        #2D3748;
  --muted:       #718096;

  --font-head: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  --section-py:    6rem;
  --max-w:         1140px;
  --px:            2rem;

  --shadow-sm:  0 2px 8px  rgba(13,33,55,.08);
  --shadow-md:  0 8px 30px rgba(13,33,55,.12);
  --shadow-lg:  0 20px 60px rgba(13,33,55,.16);
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --t:          .3s ease;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4,h5,h6 { font-family: var(--font-head); line-height: 1.2; }
a { color: var(--teal); text-decoration: none; transition: color var(--t); }
a:hover { color: var(--teal-bright); }

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

/* =============================================================
   NAVIGATION
   ============================================================= */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0);
  transition: background var(--t), box-shadow var(--t), padding var(--t);
}
.site-nav.is-scrolled {
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(13,33,55,.1);
  padding: .875rem 2rem;
}

/* On white hero the nav text should always be navy */
.site-nav .nav-brand,
.site-nav .nav-links a { color: var(--navy); }
.site-nav .nav-brand:hover,
.site-nav .nav-links a:hover { color: var(--teal); }

.nav-brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
}
.nav-logo-mark { width: 34px; height: 34px; flex-shrink: 0; }

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--t);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--t);
}

/* =============================================================
   HERO  (clean white)
   ============================================================= */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8rem 2rem 5rem;
  background: var(--white);
  text-align: center;
  position: relative;
}

/* Faint grid accent behind hero content */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26,158,150,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,158,150,.04) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  max-width: 680px;
}

.hero-logo-mark {
  width: 152px; height: 152px;
  transition: transform var(--t);
}
.hero-logo-mark:hover { transform: scale(1.03); }

.hero-wordmark {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 8vw, 4.5rem);
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--navy);
  line-height: 1;
}

.hero-tagline-badge {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--teal);
}
.hero-tagline-badge span { opacity: .5; }

.hero-desc {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.75;
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: .5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .875rem 2rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--t);
  border: 2px solid transparent;
  text-decoration: none;
}
.btn-primary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-primary:hover {
  background: var(--navy-mid);
  border-color: var(--navy-mid);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13,33,55,.25);
}
.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--border);
}
.btn-outline:hover {
  border-color: var(--teal);
  color: var(--teal);
  transform: translateY(-2px);
}
.btn-teal {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}
.btn-teal:hover {
  background: var(--teal-bright);
  border-color: var(--teal-bright);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26,158,150,.3);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.25rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  color: var(--border);
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  animation: bob 2.4s ease-in-out infinite;
  text-decoration: none;
}
.scroll-indicator svg { width: 18px; height: 18px; }
@keyframes bob {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(7px); }
}

/* =============================================================
   PHOTO STRIP  (field photo between hero and services)
   ============================================================= */
.photo-strip {
  position: relative;
  height: 420px;
  overflow: hidden;
}
.photo-strip img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
}
.photo-strip::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right,
    rgba(13,33,55,.72) 0%,
    rgba(13,33,55,.45) 60%,
    rgba(13,33,55,.2) 100%);
}
.photo-strip-text {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 4rem;
  max-width: 680px;
}
.photo-strip-text blockquote {
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.5;
  letter-spacing: -.01em;
  margin-bottom: 1rem;
}
.photo-strip-text cite {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal);
  font-style: normal;
}

/* =============================================================
   SECTION SHARED
   ============================================================= */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-eyebrow {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: .65rem;
  font-family: var(--font-head);
}
.section-title {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.section-subtitle {
  margin-top: .75rem;
  font-size: 1rem;
  color: var(--muted);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* =============================================================
   SERVICES
   ============================================================= */
#services {
  background: var(--white);
  padding: var(--section-py) 0;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}
@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
}
.service-card {
  padding: 2rem 1.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--white);
  transition: all var(--t);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--teal), var(--teal-bright));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(26,158,150,.25);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 48px; height: 48px;
  background: rgba(26,158,150,.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--teal);
}
.service-icon svg { width: 22px; height: 22px; }

.service-card h3 {
  font-size: .9rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .625rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.service-card p {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.78;
}

/* =============================================================
   APPROACH / VALUES
   ============================================================= */
#approach {
  background: var(--light);
  padding: var(--section-py) 0;
}
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.approach-item {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius-md);
  background: var(--white);
  border: 1px solid var(--border);
  transition: all var(--t);
}
.approach-item:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow-sm);
  transform: translateY(-3px);
}
.approach-icon-wrap {
  width: 56px; height: 56px;
  margin: 0 auto 1.25rem;
  background: rgba(26,158,150,.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
}
.approach-icon-wrap svg { width: 24px; height: 24px; }

.approach-item h4 {
  font-size: .85rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .625rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.approach-item p {
  font-size: .875rem;
  color: var(--muted);
  line-height: 1.7;
}

/* =============================================================
   CONTACT
   ============================================================= */
#contact {
  background: var(--navy);
  padding: var(--section-py) 0;
}
#contact .section-eyebrow { color: var(--teal); }
#contact .section-title { color: var(--white); letter-spacing: .08em; }
#contact .section-subtitle { color: rgba(255,255,255,.55); }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.65fr;
  gap: 4rem;
  align-items: start;
}
.contact-info h3 {
  font-family: var(--font-head);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: .875rem;
}
.contact-info > p {
  color: rgba(255,255,255,.6);
  line-height: 1.75;
  margin-bottom: 1.75rem;
  font-size: .9rem;
}
.contact-address {
  font-size: .875rem;
  color: rgba(255,255,255,.45);
  line-height: 2;
}
.contact-address strong {
  color: var(--teal);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  display: block;
  margin-bottom: .25rem;
}
.contact-social {
  display: flex;
  gap: .75rem;
  margin-top: 1.75rem;
}
.contact-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.45);
  transition: all var(--t);
}
.contact-social a:hover {
  border-color: var(--teal);
  color: var(--teal);
  transform: translateY(-2px);
}
.contact-social svg { width: 15px; height: 15px; }

.contact-form {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.2rem; }
.form-group label {
  display: block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  margin-bottom: .45rem;
  font-family: var(--font-head);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: .875rem 1.1rem;
  background: rgba(255,255,255,.055);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-body);
  font-size: .9rem;
  transition: border-color var(--t), background var(--t);
  resize: none;
  -webkit-appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,.22); }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--teal);
  background: rgba(26,158,150,.05);
}
.form-group textarea { height: 136px; }
.btn-submit {
  width: 100%;
  padding: 1rem;
  background: var(--teal);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--t);
  margin-top: .25rem;
}
.btn-submit:hover {
  background: var(--teal-bright);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26,158,150,.4);
}

/* =============================================================
   FOOTER
   ============================================================= */
.site-footer {
  background: #07131F;
  padding: 3.5rem 0 2rem;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
  margin-bottom: 2rem;
}
.footer-brand { display: flex; flex-direction: column; gap: .875rem; }
.footer-logo-wrap { display: flex; align-items: center; gap: .65rem; }
.footer-logo-mark { width: 36px; height: 36px; }
.footer-wordmark {
  font-family: var(--font-head);
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--white);
}
.footer-desc {
  font-size: .85rem;
  color: rgba(255,255,255,.38);
  line-height: 1.72;
  max-width: 270px;
}
.footer-col h4 {
  font-family: var(--font-head);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: .55rem; }
.footer-links a {
  color: rgba(255,255,255,.38);
  font-size: .85rem;
  text-decoration: none;
  transition: color var(--t);
}
.footer-links a:hover { color: var(--teal); }
.footer-address { font-size: .85rem; color: rgba(255,255,255,.38); line-height: 1.9; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; }
.footer-copy { font-size: .78rem; color: rgba(255,255,255,.28); }
.footer-social { display: flex; gap: .875rem; }
.footer-social a {
  color: rgba(255,255,255,.35);
  display: flex;
  align-items: center;
  transition: color var(--t);
}
.footer-social a:hover { color: var(--teal); }
.footer-social svg { width: 17px; height: 17px; }

/* =============================================================
   ABOUT PAGE
   ============================================================= */
.about-page { min-height: 100vh; background: var(--white); }

.about-hero {
  padding: 9rem 0 5rem;
  background: var(--light);
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.about-hero h1 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 800;
  color: var(--navy);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .875rem;
}
.about-hero p { font-size: 1.05rem; color: var(--muted); max-width: 500px; margin: 0 auto; line-height: 1.7; }

.about-team { padding: 5rem 0; }

.team-member {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3.5rem;
  align-items: start;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 2rem;
  transition: box-shadow var(--t);
}
.team-member:hover { box-shadow: var(--shadow-md); }

.team-photo {
  width: 160px; height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(26,158,150,.3);
  margin: 0 auto;
}
.team-photo-placeholder {
  width: 160px; height: 160px;
  border-radius: 50%;
  background: var(--light);
  border: 3px solid rgba(26,158,150,.3);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto;
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--teal);
}
.team-info h2 {
  font-size: 1.5rem; font-weight: 700; color: var(--navy);
  letter-spacing: .02em; margin-bottom: .25rem;
}
.team-position {
  font-size: .72rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 1.25rem;
  font-family: var(--font-head);
}
.team-bio { font-size: .9rem; color: var(--muted); line-height: 1.8; }
.team-bio p { margin-bottom: 1rem; }
.team-bio a { color: var(--teal); }
.team-bio a:hover { color: var(--teal-bright); }

.team-social { display: flex; gap: .75rem; margin-top: 1.5rem; flex-wrap: wrap; }
.team-social a {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .45rem .9rem; border-radius: 20px;
  border: 1px solid var(--border); color: var(--muted);
  font-size: .8rem; font-weight: 500;
  transition: all var(--t); text-decoration: none;
}
.team-social a:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-1px); }
.team-social svg { width: 14px; height: 14px; }

/* =============================================================
   ANIMATIONS
   ============================================================= */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .65s ease, transform .65s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .approach-grid  { grid-template-columns: 1fr 1fr; }
  .footer-grid    { grid-template-columns: 1fr 1fr; }
  .footer-brand   { grid-column: 1 / -1; }
  .team-member    { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
  .team-social    { justify-content: center; }
}

@media (max-width: 768px) {
  :root { --section-py: 4rem; --px: 1.25rem; }

  .site-nav { padding: 1rem 1.25rem; }
  .site-nav.is-scrolled { padding: .75rem 1.25rem; }

  .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(255,255,255,.98);
    flex-direction: column;
    padding: 1.5rem 1.25rem;
    gap: 1.25rem;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }

  .form-row  { grid-template-columns: 1fr; }
  .approach-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }

  .photo-strip { height: 320px; }
  .photo-strip-text { padding: 0 2rem; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .contact-form { padding: 1.75rem 1.25rem; }
}