/* ==========================================================================
   Blu Marine Resources — Stylesheet
   ========================================================================== */

:root{
  --marine-deep:#0a1b26;
  --marine-deep-2:#0d2331;
  --pearl:#f4efe4;
  --pearl-soft:#efe8d9;
  --accent:#5c8b83;
  --accent-soft:#7ea69e;
  --ink:#0e2029;
  --white:#ffffff;

  --font-head: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-slow: cubic-bezier(.16,.7,.24,1);

  --header-h: 88px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:0.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.001ms !important;
    scroll-behavior:auto !important;
  }
}

body{
  margin:0;
  background:var(--pearl);
  color:var(--ink);
  font-family:var(--font-body);
  font-weight:400;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }

.eyebrow{
  font-family:var(--font-body);
  font-size:.78rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:600;
  opacity:.85;
}

h1,h2,h3{
  font-family:var(--font-head);
  font-weight:500;
  letter-spacing:-0.01em;
  margin:0;
}

p{ margin:0; }

.container{
  width:100%;
  max-width:1360px;
  margin:0 auto;
  padding:0 6vw;
}

/* ---------- Reveal / motion utility ---------- */
.reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity 1.1s var(--ease-slow), transform 1.1s var(--ease-slow);
}
.reveal.is-visible{
  opacity:1;
  transform:translateY(0);
}
.reveal-delay-1{ transition-delay:.12s; }
.reveal-delay-2{ transition-delay:.28s; }
.reveal-delay-3{ transition-delay:.44s; }
.reveal-delay-4{ transition-delay:.6s; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:1000;
  height:var(--header-h);
  display:flex;
  align-items:center;
  background:transparent;
  transition:background .5s var(--ease), box-shadow .5s var(--ease), height .4s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,27,38,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  height:72px;
  box-shadow:0 1px 0 rgba(255,255,255,.06);
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
}
.brand{
  font-family:var(--font-head);
  font-size:1.18rem;
  letter-spacing:.01em;
  color:var(--white);
  font-weight:500;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  gap:2.6rem;
}
.main-nav a{
  position:relative;
  color:var(--white);
  font-size:.92rem;
  letter-spacing:.03em;
  padding:.4rem 0;
  opacity:.86;
  transition:opacity .35s var(--ease);
}
.main-nav a::after{
  content:'';
  position:absolute;
  left:0; right:100%;
  bottom:0;
  height:1px;
  background:currentColor;
  transition:right .4s var(--ease);
}
.main-nav a:hover{ opacity:1; }
.main-nav a:hover::after{ right:0; }
.main-nav a.is-active{ opacity:1; }
.main-nav a.is-active::after{ right:0; }

.menu-toggle{
  display:none;
  background:none;
  border:none;
  width:38px;
  height:28px;
  position:relative;
  z-index:1100;
}
.menu-toggle span{
  position:absolute;
  left:0; right:0;
  height:1px;
  background:var(--white);
  transition:transform .35s var(--ease), opacity .3s var(--ease), top .35s var(--ease);
}
.menu-toggle span:nth-child(1){ top:6px; }
.menu-toggle span:nth-child(2){ top:14px; }
.menu-toggle span:nth-child(3){ top:22px; }
.menu-toggle.is-open span:nth-child(1){ top:14px; transform:rotate(45deg); }
.menu-toggle.is-open span:nth-child(2){ opacity:0; }
.menu-toggle.is-open span:nth-child(3){ top:14px; transform:rotate(-45deg); }

.mobile-nav{
  position:fixed;
  inset:0;
  background:var(--marine-deep);
  z-index:1050;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:2.2rem;
  opacity:0;
  visibility:hidden;
  transform:translateY(-12px);
  transition:opacity .45s var(--ease), transform .45s var(--ease), visibility 0s linear .45s;
}
.mobile-nav.is-open{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
  transition:opacity .45s var(--ease), transform .45s var(--ease), visibility 0s;
}
.mobile-nav a{
  color:var(--pearl);
  font-family:var(--font-head);
  font-size:2rem;
  opacity:.9;
}
.mobile-nav a.is-active{ opacity:1; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  font-size:.86rem;
  letter-spacing:.05em;
  text-transform:uppercase;
  font-weight:600;
  padding:1rem 1.9rem;
  border:1px solid currentColor;
  transition:background .4s var(--ease), color .4s var(--ease), border-color .4s var(--ease);
}
.btn-light{
  color:var(--white);
  border-color:rgba(255,255,255,.55);
}
.btn-light:hover{
  background:var(--white);
  color:var(--marine-deep);
}
.btn-dark{
  color:var(--marine-deep);
  border-color:var(--marine-deep);
}
.btn-dark:hover{
  background:var(--marine-deep);
  color:var(--pearl);
}
.btn .arrow{ transition:transform .4s var(--ease); display:inline-block; }
.btn:hover .arrow{ transform:translateX(4px); }

/* ==========================================================================
   Hero (shared pattern)
   ========================================================================== */
.hero{
  position:relative;
  width:100%;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  background:var(--marine-deep);
}
.hero-media{
  position:absolute;
  inset:0;
  overflow:hidden;
}
.hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transform:scale(1.08);
  opacity:0;
  transition:transform 1.8s var(--ease-slow), opacity 1.4s var(--ease-slow);
}
.hero-media.is-revealed img{
  transform:scale(1);
  opacity:1;
}
.hero::before{
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(10,27,38,.28) 0%, rgba(10,27,38,.05) 32%, rgba(10,27,38,.55) 100%);
  z-index:1;
}
.hero-content{
  position:relative;
  z-index:2;
  width:100%;
  padding-bottom:9vh;
  color:var(--white);
}
.hero-content .eyebrow{ color:var(--pearl); }
.hero-content h1{
  font-size:clamp(2.1rem, 5vw, 4.1rem);
  line-height:1.08;
  max-width:14ch;
  margin-top:1.1rem;
  color:var(--white);
}
.hero-content .hero-body{
  max-width:34ch;
  margin-top:1.4rem;
  font-size:1.02rem;
  color:rgba(244,239,228,.92);
}
.hero-content .btn{ margin-top:2.2rem; }

.scroll-indicator{
  position:absolute;
  bottom:2.6rem;
  left:6vw;
  z-index:2;
  width:1px;
  height:52px;
  background:rgba(255,255,255,.35);
  overflow:hidden;
}
.scroll-indicator::after{
  content:'';
  position:absolute;
  top:-100%;
  left:0; right:0;
  height:100%;
  background:var(--pearl);
  animation:scrollLine 2.6s var(--ease) infinite;
}
@keyframes scrollLine{
  0%{ top:-100%; }
  55%{ top:100%; }
  100%{ top:100%; }
}

/* ==========================================================================
   Homepage — Introduction (editorial split)
   ========================================================================== */
.intro{
  background:var(--pearl);
  padding:11vh 0 11vh;
}
.intro .container{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  align-items:center;
  gap:5vw;
}
.intro-media{
  position:relative;
  overflow:hidden;
  aspect-ratio:4/3.1;
  margin-left:-4vw;
}
.intro-media img{
  width:100%; height:100%;
  object-fit:cover;
  transform:scale(1.06);
  transition:transform 1.6s var(--ease-slow);
}
.intro-media:hover img{ transform:scale(1.12); }
.intro-media.is-revealed img{ transform:scale(1); }
.intro-text .eyebrow{ color:var(--accent); }
.intro-text h2{
  font-size:clamp(1.7rem, 3vw, 2.5rem);
  margin-top:.9rem;
  color:var(--ink);
  line-height:1.18;
}
.intro-text p{
  margin-top:1.3rem;
  color:rgba(14,32,41,.78);
  font-size:1rem;
  max-width:38ch;
}
.intro-text .btn{ margin-top:2rem; }

/* ==========================================================================
   Homepage — Our Focus (immersive panels)
   ========================================================================== */
.focus{
  background:var(--marine-deep);
  padding:12vh 0 9vh;
}
.focus-head{
  max-width:640px;
  margin:0 0 6vh;
}
.focus-head .eyebrow{ color:var(--accent-soft); }
.focus-head h2{
  color:var(--white);
  font-size:clamp(1.8rem, 3.4vw, 2.7rem);
  margin-top:.9rem;
  line-height:1.16;
}
.focus-head p{
  color:rgba(244,239,228,.72);
  margin-top:1.2rem;
  font-size:1rem;
  max-width:52ch;
}
.panels{
  display:flex;
  gap:14px;
  height:74vh;
  min-height:460px;
}
.panel{
  position:relative;
  flex:1;
  overflow:hidden;
  cursor:pointer;
  transition:flex .7s var(--ease-slow);
}
.panels:hover .panel{ flex:0.82; }
.panels .panel:hover{ flex:1.5; }
.panel img{
  width:100%; height:100%;
  object-fit:cover;
  transform:scale(1.02);
  filter:brightness(.72);
  transition:transform 1.1s var(--ease-slow), filter .7s var(--ease);
}
.panel:hover img{
  transform:scale(1.08);
  filter:brightness(.92);
}
.panel::after{
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(10,27,38,0) 40%, rgba(8,20,27,.85) 100%);
}
.panel-copy{
  position:absolute;
  left:0; right:0; bottom:0;
  padding:2rem 1.6rem;
  z-index:2;
  color:var(--white);
}
.panel-num{
  font-size:.78rem;
  letter-spacing:.1em;
  opacity:.65;
}
.panel-label{
  font-size:.72rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent-soft);
  margin-top:.55rem;
  opacity:.9;
}
.panel-title{
  font-family:var(--font-head);
  font-size:1.35rem;
  margin-top:.5rem;
  transition:opacity .4s var(--ease);
}
.panel-body{
  font-size:.88rem;
  color:rgba(244,239,228,.8);
  max-width:30ch;
  margin-top:.65rem;
  opacity:0;
  max-height:0;
  overflow:hidden;
  transition:opacity .5s var(--ease), max-height .5s var(--ease), margin-top .5s var(--ease);
}
.panel:hover .panel-body{
  opacity:1;
  max-height:120px;
  margin-top:.65rem;
}
.panel-line{
  width:0;
  height:1px;
  background:var(--pearl);
  margin-top:.9rem;
  transition:width .5s var(--ease);
}
.panel:hover .panel-line{ width:34px; }

/* ==========================================================================
   The Pearl — dominant visual moment
   ========================================================================== */
.pearl-moment{
  position:relative;
  background:var(--pearl);
  overflow:hidden;
}
.pearl-media{
  position:relative;
  width:100%;
  height:100vh;
  overflow:hidden;
}
.pearl-media img{
  width:100%; height:100%;
  object-fit:cover;
  transform:scale(1);
  transition:transform 1.4s var(--ease-slow);
}
.pearl-media.is-scaled img{ transform:scale(1.035); }
.pearl-panel{
  position:absolute;
  left:6vw;
  bottom:8vh;
  z-index:2;
  max-width:420px;
  background:rgba(244,239,228,.94);
  padding:2.6rem 2.4rem;
}
.pearl-panel .eyebrow{ color:var(--accent); }
.pearl-panel h2{
  font-size:clamp(1.5rem, 2.6vw, 2.1rem);
  margin-top:.8rem;
  color:var(--ink);
  line-height:1.2;
}
.pearl-panel p{
  margin-top:1rem;
  font-size:.95rem;
  color:rgba(14,32,41,.78);
}
.pearl-panel p + p{ margin-top:.85rem; }

/* ==========================================================================
   Marine Environment — cinematic immersive
   ========================================================================== */
.marine-cinematic{
  position:relative;
  height:100vh;
  overflow:hidden;
  background:var(--marine-deep);
}
.marine-cinematic .parallax-media{
  position:absolute;
  inset:-8% -8%;
  will-change:transform;
}
.marine-cinematic .parallax-media img{
  width:100%; height:100%;
  object-fit:cover;
}
.marine-cinematic::before{
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(8,18,25,.62) 0%, rgba(8,18,25,.15) 42%, rgba(8,18,25,0) 65%);
  z-index:1;
}
.marine-content{
  position:relative;
  z-index:2;
  height:100%;
  display:flex;
  align-items:center;
}
.marine-content .inner{
  max-width:430px;
  margin-left:6vw;
  color:var(--white);
}
.marine-content .eyebrow{ color:var(--pearl); }
.marine-content h2{
  font-size:clamp(1.7rem, 3vw, 2.5rem);
  margin-top:1rem;
  line-height:1.2;
}
.marine-content p{
  margin-top:1.1rem;
  font-size:.98rem;
  color:rgba(244,239,228,.88);
}
.marine-content .supporting-line{
  margin-top:1.6rem;
  font-size:.76rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--accent-soft);
}

/* ==========================================================================
   Closing CTA — quiet ending
   ========================================================================== */
.closing-cta{
  background:var(--pearl-soft);
  padding:15vh 0;
  text-align:center;
}
.closing-cta h2{
  font-size:clamp(2rem, 4vw, 3rem);
  color:var(--ink);
  max-width:16ch;
  margin:0 auto;
}
.closing-cta p{
  margin:1.4rem auto 0;
  max-width:40ch;
  color:rgba(14,32,41,.75);
}
.closing-cta .btn{ margin-top:2.3rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{
  background:var(--marine-deep);
  color:rgba(244,239,228,.82);
  padding:8vh 0 3.5vh;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:3rem;
  padding-bottom:5vh;
  border-bottom:1px solid rgba(244,239,228,.12);
}
.footer-brand{
  font-family:var(--font-head);
  font-size:1.3rem;
  color:var(--white);
}
.footer-desc{
  margin-top:1rem;
  font-size:.92rem;
  color:rgba(244,239,228,.65);
  max-width:32ch;
}
.footer-col-title{
  font-size:.74rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:rgba(244,239,228,.5);
  margin-bottom:1rem;
}
.footer-col a, .footer-col p{
  display:block;
  font-size:.92rem;
  color:rgba(244,239,228,.82);
  margin-bottom:.65rem;
  transition:opacity .3s var(--ease);
}
.footer-col a:hover{ opacity:.7; }
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:2.4rem;
  font-size:.8rem;
  color:rgba(244,239,228,.45);
  flex-wrap:wrap;
  gap:.6rem;
}

/* ==========================================================================
   About page — sections
   ========================================================================== */
.about-hero{ height:82vh; }

.about-company{
  background:var(--pearl);
  padding:12vh 0;
}
.about-company .container{
  display:grid;
  grid-template-columns:1.3fr 1fr;
  align-items:center;
  gap:5vw;
}
.about-company-media{
  position:relative;
  overflow:hidden;
  aspect-ratio:4/3.4;
}
.about-company-media img{
  width:100%; height:100%;
  object-fit:cover;
  transform:scale(1.06);
  transition:transform 1.6s var(--ease-slow);
}
.about-company-media.is-revealed img{ transform:scale(1); }
.about-company-text h2{
  font-size:clamp(1.7rem, 3vw, 2.4rem);
  color:var(--ink);
  line-height:1.2;
}
.about-company-text p{
  margin-top:1.2rem;
  color:rgba(14,32,41,.78);
  font-size:1rem;
  max-width:38ch;
}
.about-company-text p + p{ margin-top:1rem; }

.about-focus{
  position:relative;
  background:var(--marine-deep);
  min-height:100vh;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.about-focus-media{
  position:absolute;
  inset:0;
}
.about-focus-media img{
  width:100%; height:100%;
  object-fit:cover;
  transform:scale(1);
  transition:transform 1.6s var(--ease-slow);
}
.about-focus-media.is-scaled img{ transform:scale(1.05); }
.about-focus::before{
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(90deg, rgba(8,18,25,.72) 0%, rgba(8,18,25,.3) 46%, rgba(8,18,25,.1) 70%);
  z-index:1;
}
.about-focus-content{
  position:relative;
  z-index:2;
  max-width:440px;
  margin-left:6vw;
  padding:6vh 0;
  color:var(--white);
}
.about-focus-content .eyebrow{ color:var(--accent-soft); }
.about-focus-content h2{
  font-size:clamp(1.9rem, 3.4vw, 2.7rem);
  margin-top:.9rem;
}
.about-focus-content p{
  margin-top:1.1rem;
  font-size:1rem;
  color:rgba(244,239,228,.85);
}

.about-environment{
  position:relative;
  height:86vh;
  overflow:hidden;
  background:var(--marine-deep);
}
.about-environment .parallax-media{
  position:absolute;
  inset:-8% -8%;
  will-change:transform;
}
.about-environment .parallax-media img{
  width:100%; height:100%;
  object-fit:cover;
}
.about-environment::before{
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(8,18,25,.62) 0%, rgba(8,18,25,.15) 42%, rgba(8,18,25,0) 65%);
  z-index:1;
}
.about-environment-content{
  position:relative;
  z-index:2;
  height:100%;
  display:flex;
  align-items:center;
}
.about-environment-content .inner{
  max-width:430px;
  margin-left:6vw;
  color:var(--white);
}
.about-environment-content h2{
  font-size:clamp(1.7rem, 3vw, 2.5rem);
  margin-top:1rem;
  line-height:1.2;
}
.about-environment-content p{
  margin-top:1.1rem;
  font-size:.98rem;
  color:rgba(244,239,228,.88);
}

/* ==========================================================================
   Contact page
   ========================================================================== */
.contact-main{
  min-height:100vh;
  background:var(--marine-deep);
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:calc(var(--header-h) + 6vh) 6vw 10vh;
}
.contact-main .inner{ max-width:560px; }
.contact-main .eyebrow{ color:var(--accent-soft); }
.contact-main h1{
  color:var(--white);
  font-size:clamp(2.1rem, 5vw, 3.4rem);
  margin-top:1.1rem;
  line-height:1.14;
}
.contact-main p{
  color:rgba(244,239,228,.78);
  margin-top:1.3rem;
  font-size:1.02rem;
}
.contact-email{
  display:block;
  margin-top:1.6rem;
  font-family:var(--font-head);
  font-size:clamp(1.3rem, 2.6vw, 1.9rem);
  color:var(--pearl);
  border-bottom:1px solid rgba(244,239,228,.35);
  padding-bottom:.35rem;
  transition:border-color .35s var(--ease), opacity .35s var(--ease);
}
.contact-email:hover{
  border-color:var(--pearl);
  opacity:.85;
}
.contact-main .btn{ margin-top:2.4rem; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1024px){
  .intro .container,
  .about-company .container{
    grid-template-columns:1fr;
    gap:2.4rem;
  }
  .intro-media{ margin-left:0; aspect-ratio:16/10; }
  .about-company-media{ aspect-ratio:16/10; }
  .pearl-panel{ max-width:380px; }
  .panels{ height:64vh; }
}

@media (max-width:820px){
  .main-nav{ display:none; }
  .menu-toggle{ display:block; }
  .footer-grid{ grid-template-columns:1fr; gap:2rem; }
  .panels{ flex-direction:column; height:auto; }
  .panel{ height:62vh; flex:none !important; }
  .panels:hover .panel{ flex:none; }
  .panels .panel:hover{ flex:none; }
  .panel-body{ opacity:1; max-height:120px; }
  .pearl-media{ height:78vh; }
  .pearl-panel{
    position:relative;
    left:auto; bottom:auto;
    max-width:none;
    margin:-14vh 5vw 0;
  }
  .marine-cinematic, .about-environment{ height:78vh; }
  .marine-content .inner, .about-environment-content .inner{ margin-left:6vw; max-width:88vw; }
  .about-focus{ min-height:78vh; }
  .about-focus-content{ margin-left:6vw; max-width:88vw; }
}

@media (max-width:560px){
  .container{ padding:0 7vw; }
  .hero-content{ padding-bottom:7vh; }
  .intro, .focus, .about-company{ padding-top:9vh; padding-bottom:9vh; }
  .closing-cta{ padding:11vh 0; }
  .pearl-media{ height:64vh; }
  .pearl-panel{ padding:2rem 1.6rem; margin-top:-10vh; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
}