/* =========================================================
   FIT2DIVE — style.css
   Jasna, "wodna" kolorystyka: błękity + ciepły koralowy akcent
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root{
  /* kolory */
  --bg:            #F5FBFD;
  --bg-alt:        #E9F6FA;
  --white:         #FFFFFF;
  --primary:       #0FA3B8;
  --primary-dark:  #0A7487;
  --primary-darker:#0B4A57;
  --accent:        #CC3A00;
  --accent-dark:   #AB3100;
  --whatsapp:      #17823F;
  --text:          #163C46;
  --text-muted:    #4A6A73;
  --border:        #DCEFF3;
  --shadow:        0 10px 30px rgba(11,74,87,.10);
  --shadow-lg:     0 20px 50px rgba(11,74,87,.16);

  /* typografia */
  --font-heading: 'Poppins', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  /* layout */
  --container: 1140px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --nav-h: 78px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{
  font-family:var(--font-heading);
  color:var(--primary-darker);
  line-height:1.2;
  margin:0 0 .5em;
}
p{margin:0 0 1em;color:var(--text-muted);}
section{scroll-margin-top:var(--nav-h);}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
@media (max-width:768px){
  .section{padding:64px 0;}
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-heading);
  font-weight:700;
  font-size:.78rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--primary-dark);
  background:rgba(15,163,184,.10);
  padding:8px 16px;
  border-radius:999px;
  margin-bottom:18px;
}
.section-head{
  max-width:680px;
  margin:0 auto 56px;
  text-align:center;
}
.section-head h2{font-size:clamp(1.7rem,3vw,2.4rem);}
.section-head p{font-size:1.05rem;margin-bottom:0;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-family:var(--font-heading);
  font-weight:600;
  font-size:1rem;
  padding:16px 30px;
  border-radius:999px;
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn svg{width:20px;height:20px;flex-shrink:0;}
.btn-primary{
  background:var(--accent);
  color:var(--white);
  box-shadow:0 12px 24px rgba(255,122,69,.34);
}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);}
.btn-whatsapp{
  background:var(--whatsapp);
  color:var(--white);
  box-shadow:0 12px 24px rgba(37,211,102,.32);
}
.btn-whatsapp:hover{background:#136C34;transform:translateY(-2px);}
.btn-outline{
  background:transparent;
  border-color:var(--primary);
  color:var(--primary-dark);
}
.btn-outline:hover{background:var(--primary);color:var(--white);transform:translateY(-2px);}
.btn-block{width:100%;}
.btn-sm{padding:12px 22px;font-size:.92rem;}

/* ---------- navbar ---------- */
.navbar{
  position:sticky;
  top:0;
  z-index:100;
  height:var(--nav-h);
  display:flex;
  align-items:center;
  background:rgba(245,251,253,.85);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease, border-color .2s ease;
}
.navbar.is-scrolled{
  box-shadow:0 8px 24px rgba(11,74,87,.08);
  border-bottom-color:var(--border);
}
.navbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-heading);
  font-weight:800;
  font-size:1.3rem;
  color:var(--primary-darker);
}
.brand-mark{
  width:40px;height:40px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;
  box-shadow:0 8px 16px rgba(15,163,184,.30);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:30px;
}
.nav-links a{
  font-family:var(--font-heading);
  font-weight:600;
  font-size:.95rem;
  color:var(--text);
  padding:8px 2px;
  border-bottom:2px solid transparent;
  transition:color .15s ease, border-color .15s ease;
}
.nav-links a:hover,
.nav-links a.is-active{
  color:var(--primary-dark);
  border-bottom-color:var(--accent);
}
.nav-right{display:flex;align-items:center;gap:16px;}
.lang-switch{
  display:flex;
  align-items:center;
  gap:4px;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:999px;
  padding:4px;
  font-family:var(--font-heading);
  font-weight:700;
  font-size:.82rem;
}
.lang-switch a{
  padding:6px 12px;
  border-radius:999px;
  color:var(--text-muted);
}
.lang-switch a.is-active{
  background:var(--primary);
  color:var(--white);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--white);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle svg{width:22px;height:22px;}

@media (max-width:960px){
  .nav-links{
    position:absolute;
    top:var(--nav-h);
    left:0;right:0;
    background:var(--white);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 24px 20px;
    border-bottom:1px solid var(--border);
    box-shadow:0 16px 30px rgba(11,74,87,.10);
    transform-origin:top;
    transform:scaleY(0);
    opacity:0;
    pointer-events:none;
    transition:transform .18s ease, opacity .18s ease;
  }
  .nav-links.is-open{transform:scaleY(1);opacity:1;pointer-events:auto;}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--border);}
  .nav-toggle{display:flex;}
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:64px 0 0;
  overflow:hidden;
  background:linear-gradient(180deg,#EAF8FB 0%,#D7F1F7 55%,#C7EBF3 100%);
}
.hero .container{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:48px;
  align-items:center;
  padding-bottom:80px;
}
.hero-copy{min-width:0;}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:22px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.75);
  border:1px solid rgba(255,255,255,.9);
  padding:8px 14px;
  border-radius:999px;
  font-size:.85rem;
  font-weight:600;
  color:var(--primary-darker);
  box-shadow:0 6px 16px rgba(11,74,87,.08);
}
.hero h1{
  font-size:clamp(2.2rem,4.2vw,3.4rem);
  margin-bottom:.4em;
}
.hero h1 span{color:var(--accent);}
.hero-lead{
  font-size:1.15rem;
  max-width:520px;
  color:var(--text);
  opacity:.85;
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-top:32px;
}
.hero-trust{
  margin-top:36px;
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  font-size:.92rem;
  color:var(--primary-darker);
  font-weight:600;
}
.hero-trust span{display:inline-flex;align-items:center;gap:8px;}
.hero-visual{
  position:relative;
  aspect-ratio:4/5;
  border-radius:32px;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.hero-wave{
  display:block;
  width:100%;
  line-height:0;
  margin-top:-2px;
}
.hero-wave svg{width:100%;height:auto;display:block;}

/* ---------- decorative photo placeholders ---------- */
.photo-slot{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:
    linear-gradient(135deg, rgba(11,74,87,.35), rgba(15,163,184,.15)),
    linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 60%,var(--primary-darker) 100%);
  background-size:cover;
  background-position:center;
  display:flex;
  align-items:center;
  justify-content:center;
  color:rgba(255,255,255,.85);
}
.photo-slot::before{
  content:"";
  position:absolute;inset:0;
  background-image:inherit;
}
.photo-slot .photo-icon{
  position:relative;
  z-index:1;
  font-size:2.4rem;
  opacity:.9;
  filter:drop-shadow(0 6px 14px rgba(0,0,0,.15));
}
.hero-visual.photo-slot{background-image:url('images/hero-bg.jpg');}
.deepspot-photo-tunnel{background-image:url('images/deepspot-tunnel.jpg');}
.deepspot-photo-wreck{background-image:url('images/deepspot-wreck.jpg');}
.deepspot-photo-cave{background-image:url('images/deepspot-cave.jpg');}
.instructor-photo{background-image:url('images/instructor.jpg');}
.instructor-photo-2{background-image:url('images/instructor-action.jpg');}

/* ---------- included grid ---------- */
.included-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.included-card{
  background:var(--white);
  border-radius:var(--radius-lg);
  padding:32px 26px;
  box-shadow:var(--shadow);
  text-align:left;
  transition:transform .2s ease, box-shadow .2s ease;
}
.included-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.icon-badge{
  width:56px;height:56px;
  border-radius:16px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;
  margin-bottom:18px;
  box-shadow:0 10px 20px rgba(15,163,184,.28);
}
.included-card h3{font-size:1.1rem;margin-bottom:.4em;}
.included-card p{font-size:.94rem;margin-bottom:0;}

@media (max-width:960px){
  .included-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:600px){
  .included-grid{grid-template-columns:1fr;}
  .hero .container{grid-template-columns:1fr;padding-bottom:56px;}
  .hero-visual{order:-1;}
}

/* ---------- fact grid (o Deepspot) ---------- */
.about-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.about-gallery{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.about-gallery .photo-slot:nth-child(1){grid-column:1/-1;aspect-ratio:16/9;}
.about-gallery .photo-slot:nth-child(2),
.about-gallery .photo-slot:nth-child(3){aspect-ratio:4/3;}
.fact-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
  margin-top:28px;
}
.fact-item{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:18px 20px;
}
.fact-item .fact-num{
  font-family:var(--font-heading);
  font-weight:800;
  font-size:1.5rem;
  color:var(--primary-dark);
  display:block;
}
.fact-item .fact-label{font-size:.85rem;color:var(--text-muted);}

@media (max-width:900px){
  .about-wrap{grid-template-columns:1fr;}
}

/* ---------- offer grid ---------- */
.offer-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.offer-card{
  background:var(--white);
  border-radius:var(--radius-lg);
  padding:30px 24px;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  border:2px solid transparent;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.offer-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.offer-card.is-flagship{border-color:var(--accent);}
.offer-flag{
  align-self:flex-start;
  background:var(--accent);
  color:var(--white);
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.04em;
  text-transform:uppercase;
  padding:5px 12px;
  border-radius:999px;
  margin-bottom:14px;
}
.offer-card h3{font-size:1.15rem;margin-bottom:.5em;}
.offer-card p{font-size:.92rem;flex-grow:1;}
.offer-price{
  font-family:var(--font-heading);
  font-weight:800;
  font-size:1.4rem;
  color:var(--primary-darker);
  margin:14px 0 4px;
}
.offer-price small{
  display:block;
  font-family:var(--font-body);
  font-weight:500;
  font-size:.78rem;
  color:var(--text-muted);
}
.offer-note{
  font-size:.82rem;
  color:var(--text-muted);
  background:var(--bg-alt);
  border-radius:var(--radius-sm);
  padding:10px 14px;
  margin:20px 0 24px;
}

@media (max-width:960px){
  .offer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:600px){
  .offer-grid{grid-template-columns:1fr;}
}

/* ---------- instructor ---------- */
.instructor-wrap{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:56px;
  align-items:center;
}
.instructor-photos{
  display:grid;
  grid-template-columns:1.3fr .9fr;
  gap:14px;
}
.instructor-photo{aspect-ratio:3/4;}
.instructor-photo-2{aspect-ratio:3/4;margin-top:32px;}
.instructor-name{
  font-family:var(--font-heading);
  font-weight:800;
  font-size:2rem;
  color:var(--primary-darker);
  margin-bottom:.2em;
}
.instructor-role{
  color:var(--accent-dark);
  font-weight:700;
  font-size:.95rem;
  margin-bottom:18px;
  display:block;
}
.instructor-badges{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin:24px 0 4px;
}
.instructor-badge{
  background:var(--bg-alt);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:10px 16px;
  font-size:.86rem;
  font-weight:600;
  color:var(--primary-dark);
}

@media (max-width:900px){
  .instructor-wrap{grid-template-columns:1fr;}
  .instructor-photo-2{margin-top:14px;}
}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  margin-bottom:14px;
  overflow:hidden;
}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  background:none;
  border:none;
  text-align:left;
  font-family:var(--font-heading);
  font-weight:600;
  font-size:1.02rem;
  color:var(--primary-darker);
  cursor:pointer;
}
.faq-question .chev{
  flex-shrink:0;
  width:22px;height:22px;
  transition:transform .2s ease;
  color:var(--accent);
}
.faq-item.is-open .faq-question .chev{transform:rotate(180deg);}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease;
}
.faq-answer-inner{padding:0 24px 22px;}
.faq-answer-inner p{margin-bottom:0;font-size:.96rem;}
.faq-item.is-open .faq-answer{max-height:400px;}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary-darker) 100%);
  border-radius:32px;
  padding:64px 48px;
  color:var(--white);
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:32px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band h2{color:var(--white);}
.cta-band p{color:rgba(255,255,255,.82);font-size:1.05rem;}
.cta-band .btn-outline{border-color:rgba(255,255,255,.6);color:var(--white);}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.15);color:var(--white);}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.payment-note{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:.86rem;
  color:rgba(255,255,255,.75);
  max-width:360px;
}
@media (max-width:900px){
  .cta-band{grid-template-columns:1fr;padding:44px 28px;text-align:center;}
  .cta-actions{align-items:center;}
  .payment-note{max-width:none;justify-content:center;}
}

/* ---------- footer ---------- */
footer{
  background:var(--primary-darker);
  color:rgba(255,255,255,.75);
  padding:64px 0 28px;
  margin-top:40px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:40px;
  margin-bottom:40px;
}
footer .brand{color:var(--white);}
footer .brand-mark{box-shadow:none;}
footer p{color:rgba(255,255,255,.65);}
footer h4{color:var(--white);font-size:1rem;margin-bottom:16px;}
footer ul li{margin-bottom:10px;}
footer a:hover{color:var(--white);}
.footer-social{display:flex;gap:12px;margin-top:16px;}
.footer-social a{
  width:38px;height:38px;
  border-radius:10px;
  background:rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:center;
}
.footer-social a:hover{background:rgba(255,255,255,.2);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:24px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:.82rem;
  color:rgba(255,255,255,.55);
}
@media (max-width:768px){
  .footer-grid{grid-template-columns:1fr;gap:32px;}
}

/* ---------- misc ---------- */
.wave-divider{display:block;width:100%;line-height:0;}
.wave-divider svg{width:100%;height:60px;display:block;}
.badge-todo{
  display:inline-block;
  background:#FFF3E0;
  color:#B45309;
  border:1px dashed #F0B36B;
  border-radius:8px;
  padding:2px 8px;
  font-size:.72rem;
  font-weight:700;
}
.sticky-whatsapp{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:200;
  width:60px;height:60px;
  border-radius:50%;
  background:var(--whatsapp);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 14px 30px rgba(37,211,102,.45);
  transition:transform .2s ease;
}
.sticky-whatsapp:hover{transform:scale(1.08);}
.sticky-whatsapp svg{width:30px;height:30px;color:#fff;}