/* ===== BlueVision — Landing one-page ===== */
:root{
  --navy:#0A2A43;
  --navy-700:#103A5C;
  --blue:#1B6CA8;
  --blue-bright:#2D8FD0;
  --teal:#15A39B;
  --green:#2E9E5B;
  --ink:#13212C;
  --muted:#5C6B77;
  --line:#E3ECF1;
  --sand:#EFF4F7;
  --paper:#FBFCFD;
  --accent:var(--teal);
  --btn:#0B8074;
  --r:18px;
  --maxw:1200px;
  --shadow:0 18px 50px -22px rgba(10,42,67,.45);
  --shadow-sm:0 8px 24px -14px rgba(10,42,67,.40);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;
  font-family:"Hanken Grotesk",system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
  font-size:17px;line-height:1.62;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-family:"Space Grotesk",system-ui,sans-serif;font-weight:600;line-height:1.08;margin:0;letter-spacing:-.018em}
p{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.eyebrow{font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--teal);display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--teal);display:inline-block;border-radius:2px}
.section{padding:118px 0}
.section-head{max-width:680px;margin-bottom:56px}
.section-head h2{font-size:clamp(30px,4.4vw,50px);margin:18px 0 18px;color:var(--navy)}
.section-head p{color:var(--muted);font-size:18.5px}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:15.5px;
  padding:15px 26px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;transition:.24s ease;line-height:1}
.btn .ar{transition:transform .24s ease}
.btn:hover .ar{transform:translateX(4px)}
.btn-primary{background:var(--btn);color:#fff;box-shadow:0 12px 26px -12px color-mix(in srgb,var(--accent) 70%,transparent)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-700);transform:translateY(-2px)}

/* ===== Header ===== */
.hdr{position:fixed;top:0;left:0;right:0;z-index:60;transition:.3s ease}
.hdr-inner{display:flex;align-items:center;justify-content:space-between;height:74px;
  margin:14px auto 0;max-width:var(--maxw);padding:0 26px;
  background:rgba(251,252,253,.0);border-radius:16px;transition:.3s ease;border:1px solid transparent}
.hdr.scrolled .hdr-inner{background:rgba(251,252,253,.86);backdrop-filter:blur(14px);border-color:var(--line);box-shadow:var(--shadow-sm);margin-top:10px}
.brand{display:flex;align-items:center;gap:12px}
.brand .mark{width:40px;height:40px;flex:none}
.brand .name{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:21px;letter-spacing:-.02em;color:var(--navy);line-height:1}
.brand .name b{color:var(--blue);font-weight:700}
.hdr:not(.scrolled) .brand .name{color:#fff}
.hdr:not(.scrolled) .brand .name b{color:#9fd4f0}
.nav{display:flex;align-items:center;gap:6px}
.nav a{font-size:15px;font-weight:500;padding:9px 14px;border-radius:999px;color:var(--muted);transition:.2s;position:relative}
.hdr:not(.scrolled) .nav a{color:rgba(255,255,255,.82)}
.nav a:hover{color:var(--navy)}
.hdr:not(.scrolled) .nav a:hover{color:#fff}
.nav a.active{color:var(--navy)}
.hdr:not(.scrolled) .nav a.active{color:#fff}
.nav a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--accent);border-radius:2px}
.hdr-cta{display:flex;align-items:center;gap:14px}
.hdr .btn{padding:11px 20px;font-size:14.5px}
.burger{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center;background:none;border:0;cursor:pointer}
.burger span{width:24px;height:2px;background:var(--navy);border-radius:2px;transition:.25s}
.hdr:not(.scrolled) .burger span{background:#fff}

/* ===== Hero ===== */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 60%}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(7,28,46,.93) 0%,rgba(8,33,54,.78) 38%,rgba(10,42,67,.34) 72%,rgba(10,42,67,.12) 100%)}
.hero-inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:120px 32px 80px;width:100%}
.hero .kicker{display:inline-flex;align-items:center;gap:10px;font-family:"Space Grotesk",sans-serif;font-weight:600;
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:#a7dcf5;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);padding:9px 16px;border-radius:999px;margin-bottom:26px}
.hero h1{font-size:clamp(40px,6.6vw,82px);max-width:14ch;letter-spacing:-.03em;line-height:1.02}
.hero h1 .em{color:#7fd2c6;font-style:normal}
.hero .lead{max-width:54ch;margin:28px 0 38px;font-size:clamp(17px,2vw,21px);color:rgba(255,255,255,.9);line-height:1.6}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{display:flex;gap:38px;margin-top:64px;flex-wrap:wrap}
.hero-meta .it{border-left:2px solid rgba(127,210,198,.6);padding-left:16px}
.hero-meta .n{font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:30px;line-height:1;color:#fff}
.hero-meta .l{font-size:13.5px;color:rgba(255,255,255,.7);margin-top:7px;letter-spacing:.02em}
.scroll-cue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;color:rgba(255,255,255,.6);
  font-size:12px;letter-spacing:.2em;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-cue .dot{width:5px;height:5px;border-radius:50%;background:#fff;animation:cue 1.7s infinite}
@keyframes cue{0%{transform:translateY(0);opacity:0}30%{opacity:1}100%{transform:translateY(16px);opacity:0}}

/* ===== logo image ===== */
.brand .logo-img{height:34px;width:auto;display:block}
.brand .logo-w{display:block}
.brand .logo-n{display:none}
.hdr.scrolled .brand .logo-w{display:none}
.hdr.scrolled .brand .logo-n{display:block}

/* ===== language switcher ===== */
.lang{display:flex;align-items:center;gap:4px;padding:4px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18)}
.hdr.scrolled .lang{background:var(--sand);border-color:var(--line)}
.lang button{width:30px;height:24px;border:0;border-radius:6px;padding:0;cursor:pointer;background:none;overflow:hidden;
  display:flex;align-items:center;justify-content:center;opacity:.55;transition:.2s;position:relative}
.lang button:hover{opacity:.9;transform:translateY(-1px)}
.lang button.active{opacity:1}
.lang button.active::after{content:"";position:absolute;left:5px;right:5px;bottom:-5px;height:2px;background:var(--accent);border-radius:2px}
.lang svg{width:26px;height:18px;border-radius:3px;display:block;box-shadow:0 1px 3px rgba(0,0,0,.25)}

/* hero video */
.hero-bg video{width:100%;height:100%;object-fit:cover;object-position:center}
.video-toggle{position:absolute;right:26px;bottom:26px;z-index:4;width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);color:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px);transition:.2s}
.video-toggle:hover{background:rgba(255,255,255,.26)}

/* project cards with photos (override concept gradient when img present) */
.proj.has-photo .pbg::after{background:linear-gradient(180deg,rgba(8,28,46,.20) 0%,rgba(8,28,46,.62) 55%,rgba(7,24,40,.93) 100%)}

/* footer by-line */
.foot .byline{width:100%;text-align:center;font-size:13px;color:rgba(255,255,255,.45);margin-top:14px}
.foot .byline b{color:#7fd2c6;font-weight:600}

/* mobile lang */
.mobile-menu .lang{margin-top:24px}
@media(max-width:1000px){
  .hdr-cta .lang{display:flex}
}

/* ===== About ===== */
.about{background:var(--paper)}
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.about-copy p+p{margin-top:18px}
.about-copy .lead-p{font-size:20px;color:var(--ink)}
.about-copy .muted-p{color:var(--muted)}
.about-visual{position:relative}
.about-visual .ph{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3}
.about-visual .ph img{width:100%;height:100%;object-fit:cover}
.about-visual .badge{position:absolute;left:-26px;bottom:-26px;background:var(--navy);color:#fff;border-radius:16px;
  padding:22px 26px;box-shadow:var(--shadow);max-width:230px}
.about-visual .badge .t{font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:15px;margin-bottom:6px;color:#7fd2c6}
.about-visual .badge .d{font-size:13.5px;color:rgba(255,255,255,.78);line-height:1.5}

/* vision/mission */
.vm{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:80px}
.vm .card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:38px;box-shadow:var(--shadow-sm)}
.vm .card .ic{width:48px;height:48px;border-radius:13px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;
  background:color-mix(in srgb,var(--accent) 14%,#fff);color:var(--accent)}
.vm .card h3{font-size:23px;color:var(--navy);margin-bottom:12px}
.vm .card p{color:var(--muted);font-size:16.5px}

/* values */
.values{margin-top:24px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.value{background:linear-gradient(165deg,var(--navy),var(--navy-700));color:#fff;border-radius:var(--r);padding:30px 26px;position:relative;overflow:hidden}
.value .num{font-family:"Space Grotesk",sans-serif;font-size:13px;color:#7fd2c6;letter-spacing:.1em}
.value h3{font-size:20px;margin:30px 0 8px}
.value p{font-size:14px;color:rgba(255,255,255,.74)}
.value::after{content:"";position:absolute;right:-40px;top:-40px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(127,210,198,.22),transparent 70%)}

/* ===== Areas ===== */
.areas{background:linear-gradient(180deg,var(--sand),var(--paper))}
.area-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.area{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;transition:.28s ease}
.area:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.area .pic{aspect-ratio:16/11;overflow:hidden;position:relative}
.area .pic img{width:100%;height:100%;object-fit:cover;transition:.5s ease}
.area:hover .pic img{transform:scale(1.06)}
.area .pic .tag{position:absolute;left:16px;top:16px;background:rgba(10,42,67,.82);color:#fff;font-family:"Space Grotesk",sans-serif;
  font-size:12px;font-weight:600;letter-spacing:.08em;padding:7px 13px;border-radius:999px;backdrop-filter:blur(4px)}
.area .body{padding:30px 28px 34px;display:flex;flex-direction:column;flex:1}
.area .body h3{font-size:23px;color:var(--navy);margin-bottom:12px}
.area .body p{color:var(--muted);font-size:15.5px;flex:1}
.area .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chip{font-size:12.5px;font-weight:500;color:var(--blue);background:color-mix(in srgb,var(--blue) 9%,#fff);
  border:1px solid color-mix(in srgb,var(--blue) 18%,#fff);padding:6px 12px;border-radius:999px}

/* ===== Projects ===== */
.projects{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.projects .section-head h2{color:#fff}
.projects .section-head p{color:rgba(255,255,255,.72)}
.projects .eyebrow{color:#7fd2c6}
.projects .eyebrow::before{background:#7fd2c6}
.proj-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.proj{border-radius:22px;overflow:hidden;position:relative;min-height:340px;display:flex;flex-direction:column;justify-content:flex-end;
  border:1px solid rgba(255,255,255,.1);background:var(--navy-700)}
.proj.big{grid-column:span 2;min-height:380px}
.proj .pbg{position:absolute;inset:0;z-index:0}
.proj .pbg img{width:100%;height:100%;object-fit:cover;transition:.6s ease}
.proj:hover .pbg img{transform:scale(1.05)}
.proj .pbg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,28,46,.15) 0%,rgba(8,28,46,.62) 55%,rgba(7,24,40,.93) 100%)}
.proj.concept .pbg::after{background:linear-gradient(150deg,rgba(21,163,155,.30),rgba(10,42,67,.92))}
.proj .pcontent{position:relative;z-index:2;padding:34px}
.proj .ptag{font-family:"Space Grotesk",sans-serif;font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:#7fd2c6;margin-bottom:12px;display:block}
.proj h3{font-size:25px;margin-bottom:10px;max-width:22ch}
.proj h3.oneline{white-space:nowrap;font-size:clamp(19px,2.05vw,25px);letter-spacing:-.03em;max-width:none}
.proj p{font-size:15px;color:rgba(255,255,255,.82);max-width:60ch}
.proj .picon{position:absolute;top:30px;right:30px;z-index:2;width:54px;height:54px;border-radius:14px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;color:#fff}

/* ===== Team ===== */
.team{background:var(--paper)}
.team-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.member{text-align:center}
.member .av{width:100%;aspect-ratio:1;border-radius:20px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:34px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(150deg,var(--blue),var(--navy))}
.member .av svg{width:46%;height:46%;color:rgba(255,255,255,.95);position:relative;z-index:1}
.member:nth-child(2) .av{background:linear-gradient(150deg,var(--teal),var(--navy))}
.member:nth-child(3) .av{background:linear-gradient(150deg,var(--green),var(--navy))}
.member:nth-child(4) .av{background:linear-gradient(150deg,var(--blue-bright),var(--navy-700))}
.member:nth-child(5) .av{background:linear-gradient(150deg,#3a7fb0,var(--navy))}
.member:nth-child(6) .av{background:linear-gradient(150deg,var(--teal),var(--blue))}
.member .av::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 20%,rgba(255,255,255,.18),transparent 60%)}
.member .nm{font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:17px;color:var(--navy)}
.member .ro{font-size:13.5px;color:var(--muted);margin-top:4px}
.team-intro{display:grid;grid-template-columns:1.1fr 1fr;gap:54px;align-items:end;margin-bottom:54px}
.team-intro p{color:var(--muted)}

/* ===== Partners ===== */
.partners{background:var(--sand)}
.partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.partner{background:#fff;border:1px solid var(--line);border-radius:16px;height:128px;display:flex;align-items:center;justify-content:center;
  transition:.24s ease;padding:22px 26px;overflow:hidden}
.partner img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;
  filter:grayscale(100%) opacity(.7);transition:.28s ease}
.partner:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.partner:hover img{filter:none;opacity:1}

/* ===== Contact ===== */
.contact{background:var(--navy);color:#fff}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.contact .eyebrow{color:#7fd2c6}
.contact .eyebrow::before{background:#7fd2c6}
.contact h2{font-size:clamp(30px,4.4vw,50px);margin:18px 0 20px}
.contact .sub{color:rgba(255,255,255,.78);font-size:18px;max-width:46ch}
.contact-info{margin-top:40px;display:flex;flex-direction:column;gap:4px}
.cinfo{display:flex;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.cinfo .ci{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#7fd2c6;flex:none}
.cinfo .ct small{display:block;font-size:12.5px;color:rgba(255,255,255,.55);letter-spacing:.06em;text-transform:uppercase}
.cinfo .ct a,.cinfo .ct span{font-family:"Space Grotesk",sans-serif;font-size:17px;color:#fff;font-weight:500}
.socials{display:flex;gap:12px;margin-top:30px}
.socials a{width:46px;height:46px;border-radius:12px;border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;color:#fff;transition:.22s}
.socials a:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-3px)}
.cform{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:36px}
.cform .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:8px;letter-spacing:.03em}
.field input,.field textarea{width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:12px;
  padding:14px 16px;color:#fff;font-family:inherit;font-size:15.5px;transition:.2s}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.4)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.1)}
.field textarea{resize:vertical;min-height:110px}
.cform .btn{width:100%;justify-content:center;margin-top:6px}
.form-ok{display:none;color:#7fd2c6;font-size:14.5px;margin-top:14px;text-align:center}

/* ===== Footer ===== */
.foot{background:#071A2B;color:rgba(255,255,255,.6);padding:46px 0}
.foot-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot .brand .name{color:#fff;font-size:18px}
.foot .brand .name b{color:#7fd2c6}
.foot .ft-links{display:flex;gap:24px;flex-wrap:wrap}
.foot .ft-links a{font-size:14px;transition:.2s}
.foot .ft-links a:hover{color:#fff}
.foot .cr{font-size:13px;width:100%;border-top:1px solid rgba(255,255,255,.1);padding-top:22px;margin-top:8px}
.foot .cr .byname{color:#7fd2c6;font-weight:600;white-space:nowrap}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* mobile menu panel */
.mobile-menu{position:fixed;inset:0;z-index:55;background:rgba(8,28,46,.97);backdrop-filter:blur(8px);display:none;flex-direction:column;
  align-items:center;justify-content:center;gap:8px}
.mobile-menu.open{display:flex}
.mobile-menu a{font-family:"Space Grotesk",sans-serif;color:#fff;font-size:26px;font-weight:500;padding:12px}
.mobile-menu .btn{margin-top:18px}
.mclose{position:absolute;top:26px;right:26px;background:none;border:0;color:#fff;font-size:30px;cursor:pointer}

/* ===== Responsive ===== */
@media(max-width:1000px){
  .nav,.hdr-cta .btn{display:none}
  .burger{display:flex}
  .about-grid{grid-template-columns:1fr;gap:42px}
  .about-visual{max-width:520px}
  .vm{grid-template-columns:1fr}
  .values{grid-template-columns:1fr 1fr}
  .area-grid{grid-template-columns:1fr 1fr}
  .proj-grid{grid-template-columns:1fr}
  .proj.big{grid-column:span 1}
  .team-grid{grid-template-columns:repeat(3,1fr)}
  .team-intro{grid-template-columns:1fr;gap:18px}
  .partner-grid{grid-template-columns:repeat(3,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:44px}
}
@media(max-width:620px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .section{padding:78px 0}
  .hero-inner{padding:110px 22px 70px}
  .hero-meta{gap:24px}
  .values{grid-template-columns:1fr}
  .area-grid{grid-template-columns:1fr}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .partner-grid{grid-template-columns:1fr 1fr}
  .cform .row{grid-template-columns:1fr}
  .cform{padding:26px}
  .about-visual .badge{left:0}
}