/* ============================================================
   2) BUTTONS
   ============================================================ */

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 14px;
  font-weight: 700;
  letter-spacing: 0.3px;
  border: 1px solid transparent;
  transition:
    transform 140ms ease,
    box-shadow 140ms ease,
    background 140ms ease,
    border-color 140ms ease,
    opacity 140ms ease;
  user-select: none;
}

.btn.primary{
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-2) 100%);
  box-shadow: 0 14px 28px rgba(226, 27, 35, 0.18), 0 10px 26px rgba(0,0,0,0.45);
}

.btn.primary:hover{
  transform: translateY(-1px);
  box-shadow: 0 16px 34px rgba(226, 27, 35, 0.22), 0 12px 30px rgba(0,0,0,0.55);
}

.btn.secondary{
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.16);
  box-shadow: 0 10px 22px rgba(0,0,0,0.45);
}

.btn.secondary:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,0.26);
  background: rgba(255,255,255,0.08);
}

/* ============================================================
   3) HEADER / NAV
   ============================================================ */

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 11, 20, 0.70);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-name{
  font-weight: 750;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: rgba(234,242,255,0.82);
  font-size: 16px;
  white-space: nowrap;
}

@media (max-width: 780px){
  .site-name{
    display: none;
  }
}

.logo{
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: 0 14px 30px rgba(0,0,0,0.45);
}

.logo img{
  width: 60px;
  height: 60px;
  object-fit: contain;
  filter: drop-shadow(0 10px 18px rgba(0,0,0,0.55));
}

.main-nav{
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.main-nav a{
  font-weight: 650;
  color: rgba(234,242,255,0.86);
  padding: 10px 10px;
  border-radius: 12px;
  transition: background 140ms ease, color 140ms ease, transform 140ms ease;
}

.main-nav a:hover{
  background: rgba(255,255,255,0.06);
  color: rgba(234,242,255,1);
}

.main-nav a.is-active{
  background: rgba(255,255,255,0.06);
  color: rgba(234,242,255,1);
}

.main-nav .nav-cta{
  padding: 10px 14px;
  background: rgba(226,27,35,0.12);
  border: 1px solid rgba(226,27,35,0.35);
  color: rgba(234,242,255,0.96);
  box-shadow: 0 10px 22px rgba(0,0,0,0.45);
}

.main-nav .nav-cta:hover{
  background: rgba(226,27,35,0.18);
  border-color: rgba(226,27,35,0.55);
  transform: translateY(-1px);
}
/* ============================================================
   5) FEATURES (HOME)
   ============================================================ */

.features{
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 18px 18px;
}

.feature-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.feature-card{
  padding: 18px 18px 20px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.10);
  background: linear-gradient(180deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.03) 100%);
  box-shadow: 0 16px 38px rgba(0,0,0,0.45);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.feature-card:hover{
  transform: translateY(-2px);
  border-color: rgba(85,185,255,0.35);
  background: linear-gradient(180deg, rgba(85,185,255,0.08) 0%, rgba(255,255,255,0.03) 100%);
}

.feature-card h3{
  margin: 0 0 6px;
  font-size: 18px;
  letter-spacing: 0.2px;
}

.feature-card p{
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
}

.feature-card .btn{
  margin-top: 12px;
}

.feature-card-refresh{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.45) 0%, rgba(5,11,20,0.85) 100%),
    url("../assets/images/hero/hero-refresh.png");
  background-size: cover;
  background-position: center 40%;
}

  .feature-card-schedule{
    background:
      linear-gradient(180deg, rgba(5,11,20,0.45) 0%, rgba(5,11,20,0.85) 100%),
      url("../assets/images/hero/hero-scheduel.png");
    background-size: cover;
    background-position: center 55%;
  }

.feature-card-travel-ready{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.45) 0%, rgba(5,11,20,0.85) 100%),
    url("../assets/images/hero/hero-tr.png");
  background-size: cover;
    background-position: center 50%;
  }

.feature-card-openwater{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.45) 0%, rgba(5,11,20,0.85) 100%),
    url("../assets/images/hero/openwater-hero.png");
  background-size: cover;
  background-position: center 35%;
}

.feature-card-advanced{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.45) 0%, rgba(5,11,20,0.85) 100%),
    url("../assets/images/hero/advanced-hero.png");
  background-size: cover;
  background-position: center;
}

.feature-card-specialty{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.45) 0%, rgba(5,11,20,0.85) 100%),
    url("../assets/images/hero/hero-specialtymain.png");
  background-size: cover;
  background-position: center 42%;
}

.feature-card.is-centered{
  grid-column: 2;
}

/* Content sections + table of contents */
.toc{
  margin-bottom: 28px;
}

.toc h2{
  margin: 0 0 8px;
  font-size: clamp(22px, 2.6vw, 34px);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.toc p{
  margin: 0 0 14px;
  color: var(--muted);
}

.toc-buttons{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.content-section{
  margin-top: 28px;
  scroll-margin-top: 90px;
}

.content-section-spaced{
  margin-bottom: 28px;
}

.summary-section p{
  max-width: 70ch;
}

.content-columns{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.content-columns h3{
  margin: 0 0 6px;
  font-size: 16px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.content-columns p{
  margin: 0;
  color: var(--muted);
}

.content-steps{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.content-steps li{
  margin: 8px 0;
}

.specialty-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.specialty-card{
  display: block;
  text-align: left;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.specialty-card:hover{
  transform: translateY(-2px);
  border-color: rgba(85,185,255,0.35);
  background: linear-gradient(180deg, rgba(85,185,255,0.08) 0%, rgba(255,255,255,0.03) 100%);
}

.specialty-card-drysuit{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.38) 0%, rgba(5,11,20,0.75) 100%),
    url("../assets/images/hero/hero-drysuit.png");
  background-size: cover;
  background-position: center 40%;
}

.specialty-card-nitrox{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.38) 0%, rgba(5,11,20,0.75) 100%),
    url("../assets/images/hero/hero-nitrox.png");
  background-size: cover;
  background-position: center 40%;
}

.specialty-card-wreck{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.38) 0%, rgba(5,11,20,0.75) 100%),
    url("../assets/images/hero/hero-wreck.png");
  background-size: cover;
  background-position: center 40%;
}

.specialty-card-fullface{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.38) 0%, rgba(5,11,20,0.75) 100%),
    url("../assets/images/hero/hero-fullface.png");
  background-size: cover;
  background-position: center 40%;
}

.two-col-grid{
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.two-col-grid.two-col-grid-spaced{
  margin-top: 28px;
}

.two-col-side.right{
  padding-left: 24px;
}

.two-col-grid::before{
  content: "";
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: calc(50% - 0.5px);
  width: 1px;
  background: rgba(255,255,255,0.10);
}

.specialty-details{
  margin-top: 20px;
}

.two-col-grid .content-section{
  margin-top: 16px;
}

.two-col-grid .content-section:first-child{
  margin-top: 0;
}

.content-section .feature-grid{
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.content-section .feature-card{
  text-align: center;
}

.content-section .feature-card.is-featured{
  border-color: rgba(226,27,35,0.35);
  box-shadow: 0 18px 44px rgba(226,27,35,0.18), 0 16px 38px rgba(0,0,0,0.45);
  background: linear-gradient(180deg, rgba(226,27,35,0.14) 0%, rgba(5,11,20,0.38) 100%);
}

.content-section .feature-card ul{
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.content-section .feature-card li{
  margin: 6px 0;
}

.content-section h2{
  margin: 0 0 10px;
  font-size: clamp(20px, 2.3vw, 28px);
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.content-section p{
  margin: 0 0 12px;
  color: var(--muted);
}

.content-section ul{
  margin: 0 0 12px 18px;
  color: var(--muted);
}

.content-section li{
  margin: 6px 0;
}

.cta.cta-inline{
  margin-top: 34px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.10);
  background: linear-gradient(180deg, rgba(255,255,255,0.06) 0%, rgba(0,0,0,0.18) 100%);
  box-shadow: 0 16px 38px rgba(0,0,0,0.45);
}

.cta.cta-inline-open-water{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.45) 0%, rgba(5,11,20,0.85) 100%),
    url("../assets/images/hero/openwater-hero-mid.png");
  background-size: cover;
  background-position: center 35%;
}

.cta.cta-inline-advanced-ready{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.45) 0%, rgba(5,11,20,0.85) 100%),
    url("../assets/images/hero/hero-advance-ready.png");
  background-size: cover;
  background-position: center 40%;
}

.cta.cta-inline-level-up{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.45) 0%, rgba(5,11,20,0.85) 100%),
    url("../assets/images/hero/hero-level-up.png");
  background-size: cover;
  background-position: center 40%;
}

.cta.cta-inline-skill-refresh{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.45) 0%, rgba(5,11,20,0.85) 100%),
    url("../assets/images/hero/hero-rtr.png");
  background-size: cover;
  background-position: center 40%;
}

/* Hero band (lower page media) */
.hero-band{
  margin-top: 28px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: 0 18px 44px rgba(0,0,0,0.45);
  overflow: hidden;
}

.hero-band-open-water{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.35) 0%, rgba(5,11,20,0.82) 100%),
    url("../assets/images/hero/openwater-hero-lower.png");
  background-size: cover;
  background-position: center 38%;
  min-height: 260px;
  display: flex;
  align-items: flex-end;
}

.hero-band-advanced{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.35) 0%, rgba(5,11,20,0.82) 100%),
    url("../assets/images/hero/rwadvanced-hero.png");
  background-size: cover;
  background-position: center 46%;
  min-height: 260px;
  display: flex;
  align-items: flex-end;
}

.hero-band-drysuit{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.35) 0%, rgba(5,11,20,0.82) 100%),
    url("../assets/images/hero/hero-drysuit.png");
  background-size: cover;
  background-position: center 40%;
  min-height: 260px;
  display: flex;
  align-items: flex-end;
}

.hero-band-nitrox{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.35) 0%, rgba(5,11,20,0.82) 100%),
    url("../assets/images/hero/hero-nitroxpage.png");
  background-size: cover;
  background-position: center 55%;
  min-height: 260px;
  display: flex;
  align-items: flex-end;
}

.hero-band-wreck{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.35) 0%, rgba(5,11,20,0.82) 100%),
    url("../assets/images/hero/hero-wreck.png");
  background-size: cover;
  background-position: center 40%;
  min-height: 260px;
  display: flex;
  align-items: flex-end;
}

.hero-band-fullface{
  background:
    linear-gradient(180deg, rgba(5,11,20,0.35) 0%, rgba(5,11,20,0.82) 100%),
    url("../assets/images/hero/hero-fullface.png");
  background-size: cover;
  background-position: center 40%;
  min-height: 260px;
  display: flex;
  align-items: flex-end;
}

.hero-band-inner{
  padding: 24px;
  max-width: var(--max);
}

.hero-band h2{
  margin: 0 0 6px;
  font-size: clamp(20px, 2.5vw, 30px);
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.hero-band p{
  margin: 0;
  color: var(--muted);
  max-width: 60ch;
}
.cta{
  max-width: var(--max);
  margin: 18px auto 0;
  padding: 34px 18px 54px;
  text-align: center;
}

.cta h2{
  margin: 0 0 8px;
  font-size: clamp(22px, 2.6vw, 34px);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.cta p{
  margin: 0 0 16px;
  color: var(--muted);
}
/* CTA when placed on background image */
.cta-on-bg{
  padding-top: 36px;
}

.cta-on-bg h2,
.cta-on-bg p{
  text-shadow: 0 14px 30px rgba(0,0,0,0.55);
}

/* ============================================================
   7) INTERIOR PAGE HERO (TRAINING / TRAVEL / MEDIA / CONTACT)
   ============================================================ */

.page{
  min-height: 100vh;
}

.page-hero{
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 44px 18px 24px;
  background:
    radial-gradient(900px 520px at 30% 0%, rgba(60,170,255,0.10) 0%, rgba(5,11,20,0) 60%),
    linear-gradient(180deg, rgba(5,11,20,0.35) 0%, rgba(5,11,20,0.85) 70%, rgba(5,11,20,0.98) 100%);
}

/* Anchor offsets for sticky header */
.section{
  scroll-margin-top: 120px;
}

/* Training hero image */
.page-hero.page-hero-training{
  border-bottom: none;
  background:
    radial-gradient(900px 520px at 30% 0%, rgba(60,170,255,0.12) 0%, rgba(5,11,20,0) 60%),
    linear-gradient(180deg, rgba(5,11,20,0.35) 0%, rgba(5,11,20,0.80) 70%, rgba(5,11,20,0.98) 100%),
      url("../assets/images/hero/hero-skillsrefresh.png");
  background-repeat: no-repeat;
  background-size: cover;
    background-position: center 38%;
  }

.page-hero.page-hero-training-home{
  border-bottom: none;
  background:
    radial-gradient(900px 520px at 30% 0%, rgba(60,170,255,0.12) 0%, rgba(5,11,20,0) 60%),
    linear-gradient(180deg, rgba(5,11,20,0.35) 0%, rgba(5,11,20,0.80) 70%, rgba(5,11,20,0.98) 100%),
      url("../assets/images/hero/hero-training.png");
  background-repeat: no-repeat;
  background-size: 115%;
  background-position: center 24% !important;
}

.page-hero.page-hero-open-water{
  border-bottom: none;
  background:
    radial-gradient(900px 520px at 30% 0%, rgba(60,170,255,0.12) 0%, rgba(5,11,20,0) 60%),
    linear-gradient(180deg, rgba(5,11,20,0.35) 0%, rgba(5,11,20,0.80) 70%, rgba(5,11,20,0.98) 100%),
    url("../assets/images/hero/openwater-hero.png");
  background-repeat: no-repeat;
  background-size: 130%;
  background-position: 22% 30% !important;
}

.page-hero.page-hero-advanced{
  border-bottom: none;
  background:
    radial-gradient(900px 520px at 30% 0%, rgba(60,170,255,0.12) 0%, rgba(5,11,20,0) 60%),
    linear-gradient(180deg, rgba(5,11,20,0.35) 0%, rgba(5,11,20,0.80) 70%, rgba(5,11,20,0.98) 100%),
    url("../assets/images/hero/advanced-hero.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center 40%;
}

.page-hero.page-hero-drysuit{
  border-bottom: none;
  background:
    radial-gradient(900px 520px at 30% 0%, rgba(60,170,255,0.12) 0%, rgba(5,11,20,0) 60%),
    linear-gradient(180deg, rgba(5,11,20,0.35) 0%, rgba(5,11,20,0.80) 70%, rgba(5,11,20,0.98) 100%),
    url("../assets/images/hero/hero-drysuit.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center 40%;
}

.page-hero.page-hero-nitrox{
  border-bottom: none;
  background:
    radial-gradient(900px 520px at 30% 0%, rgba(60,170,255,0.12) 0%, rgba(5,11,20,0) 60%),
    linear-gradient(180deg, rgba(5,11,20,0.35) 0%, rgba(5,11,20,0.80) 70%, rgba(5,11,20,0.98) 100%),
    url("../assets/images/hero/hero-nitroxpage.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center 55%;
}

.page-hero.page-hero-wreck{
  border-bottom: none;
  background:
    radial-gradient(900px 520px at 30% 0%, rgba(60,170,255,0.12) 0%, rgba(5,11,20,0) 60%),
    linear-gradient(180deg, rgba(5,11,20,0.35) 0%, rgba(5,11,20,0.80) 70%, rgba(5,11,20,0.98) 100%),
    url("../assets/images/hero/hero-wreck.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center 40%;
}

.page-hero.page-hero-fullface{
  border-bottom: none;
  background:
    radial-gradient(900px 520px at 30% 0%, rgba(60,170,255,0.12) 0%, rgba(5,11,20,0) 60%),
    linear-gradient(180deg, rgba(5,11,20,0.35) 0%, rgba(5,11,20,0.80) 70%, rgba(5,11,20,0.98) 100%),
    url("../assets/images/hero/hero-fullface.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center 40%;
}

.page-hero-inner{
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 16px;
  align-items: start;
}

/* Fix: prevent hero logo from rendering at full native size */
.page-hero-logo img{
  width: 100%;
  max-width: 380px;
  height: auto;
  display: block;
}

@media (max-width: 980px){
  .page-hero-logo img{
    max-width: 220px;
    margin: 0 auto;
  }
}

/* Contact/Interior hero logo sizing (prevents huge logo) */
.page-hero-logo{
  width: 100%;
  max-width: 360px;
  height: auto;
  justify-self: end;
  align-self: start;
  filter: drop-shadow(0 18px 34px rgba(0,0,0,0.55));
  opacity: 0.98;
}

@media (max-width: 980px){
  .page-hero-logo{
    justify-self: start;
    max-width: 220px;
    margin-top: 10px;
  }
}

.page-hero-copy h1{
  margin: 0;
  font-weight: 900;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  font-size: clamp(32px, 5vw, 54px);
}

.page-hero-sub{
  margin: 10px 0 14px;
  max-width: 62ch;
  color: var(--muted);
}

.page-hero-actions{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.page-hero-card{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.10);
  background: linear-gradient(180deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.03) 100%);
  box-shadow: 0 16px 38px rgba(0,0,0,0.45);
  padding: 18px;
}

.page-hero-card.training-hero-logo{
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  width: 100%;
  max-width: 360px;
  justify-self: end;
  align-self: start;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.page-hero-card.training-hero-logo img{
  width: 100%;
  height: auto;
  max-height: 220px;
  object-fit: contain;
}

.stat-grid{ display: grid; gap: 12px; }

.stat{
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.18);
}

.stat-label{
  font-size: 12px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  color: var(--muted-2);
}

.stat-value{
  font-weight: 750;
  color: rgba(234,242,255,0.92);
}
/* ============================================================
   9) FOOTER
   ============================================================ */

.site-footer{
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 18px;
  text-align: center;
  color: var(--muted-2);
}