/* ==========================================================================
   Métrica Studio — Design System
   Shared stylesheet used across index.html, portfolio.html and every
   /portfolio/*.html case-study page, so all pages stay visually identical.
   ========================================================================== */

:root{
  --anil:#1546C8;
  --anil-light:#4B73E8;
  --grafite:#101827;
  --grafite-soft:#1D2430;
  --bg:#F7F9FC;
  --white:#FFFFFF;
  --border:#E5EAF2;
  --text:#556070;
  --radius:22px;
  --shadow:0 20px 60px rgba(16,24,39,.08);
  --container:1200px;
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--grafite);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{
  max-width:100%;
  display:block;
}

a{
  text-decoration:none;
}

.container{
  width:min(100% - 40px, var(--container));
  margin-inline:auto;
}

section{
  padding:100px 0;
}

.eyebrow{
  color:var(--anil);
  font-size:.85rem;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:20px;
}

h1{
  font-size:clamp(3rem, 6vw, 5.8rem);
  line-height:.95;
  letter-spacing:-.06em;
  max-width:900px;
  margin-bottom:28px;
}

h2{
  font-size:clamp(2rem,4vw,4rem);
  line-height:1.05;
  letter-spacing:-.05em;
  max-width:900px;
  margin-bottom:26px;
}

p{
  color:var(--text);
  font-size:1.08rem;
}

.section-text{
  max-width:820px;
}

.section-text p + p{
  margin-top:20px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:18px 28px;
  border-radius:999px;
  font-weight:700;
  transition:.3s ease;
  gap:10px;
}

.btn-primary{
  background:linear-gradient(135deg,var(--anil),var(--anil-light));
  color:white;
  box-shadow:0 10px 30px rgba(21,70,200,.25);
}

.btn-primary:hover{
  transform:translateY(-2px);
}

.btn-secondary{
  color:var(--grafite);
}

/* NAV */

nav{
  position:sticky;
  top:0;
  z-index:1000;
  backdrop-filter:blur(14px);
  background:rgba(247,249,252,.75);
  border-bottom:1px solid rgba(0,0,0,.04);
}

.nav-wrapper{
  height:84px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.logo{
  display:flex;
  align-items:center;
  gap:14px;
  font-weight:800;
  font-size:1.1rem;
  color:var(--grafite);
}

.logo-img{
  height:36px;
  width:auto;
  display:block;
}

footer .logo-img{
  height:44px;
}

.nav-links{
  display:flex;
  gap:34px;
}

.nav-links a{
  color:var(--grafite-soft);
  font-size:.95rem;
  font-weight:500;
}

.nav-links a.active{
  color:var(--anil);
}

/* HERO */

.hero{
  padding-top:90px;
  position:relative;
  overflow:hidden;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  align-items:center;
  gap:60px;
}

.hero p{
  max-width:700px;
  font-size:1.2rem;
}

.hero-actions{
  display:flex;
  gap:18px;
  margin-top:42px;
  flex-wrap:wrap;
}

.hero-visual{
  position:relative;
  height:620px;
}

.organic-shape{
  position:absolute;
  inset:0;
  border-radius:40px;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,.35), transparent 40%),
    linear-gradient(135deg,#0D1630 0%, #1546C8 60%, #6D8EFF 100%);
  overflow:hidden;
  box-shadow:var(--shadow);
}

.wave{
  position:absolute;
  width:130%;
  height:130%;
  background:radial-gradient(circle, rgba(255,255,255,.15), transparent 65%);
  top:-10%;
  left:-10%;
}

.blob{
  position:absolute;
  inset:0;
  background:
  radial-gradient(circle at 30% 20%, rgba(255,255,255,.25), transparent 20%),
  radial-gradient(circle at 70% 60%, rgba(255,255,255,.18), transparent 18%);
}

.floating-card{
  position:absolute;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(12px);
  border-radius:24px;
  padding:26px;
  color:white;
}

.card-one{
  top:50px;
  left:-40px;
  width:260px;
}

.card-two{
  right:-20px;
  bottom:70px;
  width:280px;
}

/* GRID */

.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:60px;
}

.grid-4{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:60px;
}

.card{
  background:white;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:34px;
  box-shadow:var(--shadow);
}

.card h3{
  font-size:1.25rem;
  margin-bottom:14px;
  letter-spacing:-.03em;
}

.step-number{
  font-size:.85rem;
  color:var(--anil);
  font-weight:700;
  margin-bottom:16px;
}

/* INSIGHT */

.insight{
  background:linear-gradient(180deg,#ffffff 0%, #F1F5FB 100%);
}

/* OFFER */

.offer-layout{
  display:grid;
  grid-template-columns:1fr 380px;
  gap:40px;
  margin-top:60px;
}

.offer-box{
  background:linear-gradient(145deg,#0F1832,#1546C8);
  color:white;
  padding:48px;
  border-radius:32px;
  box-shadow:var(--shadow);
}

.offer-box p{
  color:rgba(255,255,255,.82);
}

.checklist{
  margin:34px 0;
  display:grid;
  gap:16px;
}

.checklist li{
  list-style:none;
  display:flex;
  gap:14px;
  align-items:flex-start;
}

.side-stack{
  display:grid;
  gap:20px;
}

.mini-card{
  background:white;
  border-radius:24px;
  padding:28px;
  border:1px solid var(--border);
}

.mini-card h4{
  margin-bottom:12px;
  font-size:1rem;
}

/* STATS */

.stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:50px;
}

.stat{
  background:white;
  border-radius:24px;
  padding:34px;
  border:1px solid var(--border);
}

.stat strong{
  font-size:2rem;
  display:block;
  margin-bottom:10px;
  letter-spacing:-.04em;
}

/* TESTIMONIALS */

.testimonial{
  background:white;
  border-radius:28px;
  padding:40px;
  border:1px solid var(--border);
}

.testimonial p{
  font-size:1.15rem;
  margin-bottom:20px;
}

/* FAQ */

.faq-list{
  margin-top:60px;
  display:grid;
  gap:18px;
}

.faq-item{
  background:white;
  border-radius:22px;
  padding:30px;
  border:1px solid var(--border);
}

.faq-item h4{
  margin-bottom:12px;
  font-size:1.08rem;
}

/* CTA FINAL */

.final-cta{
  background:
  radial-gradient(circle at top left, rgba(255,255,255,.08), transparent 30%),
  linear-gradient(135deg,#0F1832,#1546C8);
  color:white;
  border-radius:40px;
  padding:80px;
  overflow:hidden;
  position:relative;
}

.final-cta p{
  color:rgba(255,255,255,.8);
  max-width:720px;
}

.final-actions{
  display:flex;
  gap:18px;
  margin-top:36px;
  flex-wrap:wrap;
}

footer{
  padding:50px 0;
  text-align:center;
}

footer p{
  font-size:.95rem;
}

footer a{
  color:var(--text);
}

/* ==========================================================================
   PORTFOLIO — hub page (grid of client cards)
   ========================================================================== */

.page-header{
  padding-top:170px;
  padding-bottom:20px;
}

.page-header .eyebrow{
  margin-bottom:20px;
}

.portfolio-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
  margin-top:60px;
}

.portfolio-card{
  background:white;
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:.3s ease;
}

.portfolio-card:hover{
  transform:translateY(-4px);
}

.portfolio-thumb{
  aspect-ratio:16/10;
  background:linear-gradient(135deg,#0D1630 0%, #1546C8 60%, #6D8EFF 100%);
  position:relative;
  overflow:hidden;
}

.portfolio-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:top center;
}

.portfolio-thumb.no-shot{
  display:flex;
  align-items:center;
  justify-content:center;
  color:rgba(255,255,255,.75);
  font-size:.85rem;
  text-align:center;
  padding:24px;
}

.portfolio-body{
  padding:28px;
  display:flex;
  flex-direction:column;
  flex:1;
}

.portfolio-tag{
  color:var(--anil);
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:10px;
}

.portfolio-card h3{
  font-size:1.3rem;
  letter-spacing:-.03em;
  margin-bottom:10px;
}

.portfolio-card p{
  font-size:.98rem;
  flex:1;
}

.portfolio-link{
  margin-top:20px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--grafite);
  font-weight:700;
  font-size:.95rem;
}

/* ==========================================================================
   CASE STUDY — individual client page
   ========================================================================== */

.breadcrumb{
  padding-top:150px;
  font-size:.9rem;
  color:var(--text);
}

.breadcrumb a{
  color:var(--anil);
  font-weight:600;
}

.case-hero{
  padding-top:20px;
  padding-bottom:40px;
}

.case-domain{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-top:18px;
  color:var(--text);
  font-size:.98rem;
}

.case-cols{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:start;
  margin-top:50px;
}

.case-block{
  margin-bottom:30px;
}

.case-block h3{
  font-size:.85rem;
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--anil);
  margin-bottom:12px;
}

.case-list{
  display:grid;
  gap:12px;
  list-style:none;
}

.case-list li{
  position:relative;
  padding-left:22px;
  color:var(--text);
}

.case-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.55em;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--anil-light);
}

.browser-frame{
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--border);
  background:white;
  position:sticky;
  top:110px;
}

.browser-frame .titlebar{
  background:var(--grafite);
  padding:14px 18px;
  display:flex;
  align-items:center;
  gap:8px;
}

.browser-frame .dot{
  width:10px;
  height:10px;
  border-radius:50%;
}

.browser-frame .dot.r{ background:#ff5f57; }
.browser-frame .dot.y{ background:#febc2e; }
.browser-frame .dot.g{ background:#28c840; }

.browser-frame .urlpill{
  margin-left:10px;
  background:rgba(255,255,255,.12);
  color:#c7ccd8;
  font-size:.8rem;
  padding:6px 14px;
  border-radius:6px;
  flex:1;
}

.browser-frame .shot{
  width:100%;
  height:auto;
  display:block;
  background:var(--bg);
}

.browser-frame .shot.placeholder{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:320px;
  color:var(--text);
  font-size:.95rem;
  text-align:center;
  padding:40px;
  background:var(--bg);
}

.case-note{
  font-size:.9rem;
  color:var(--text);
  font-style:italic;
  margin-top:14px;
}

.case-pagination{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  margin-top:20px;
  padding-top:40px;
  border-top:1px solid var(--border);
}

.case-pagination a{
  color:var(--grafite);
  font-weight:700;
  font-size:.98rem;
}

.case-pagination .to-hub{
  color:var(--anil);
}

@media(max-width:1024px){

  .hero-grid,
  .offer-layout,
  .case-cols{
    grid-template-columns:1fr;
  }

  .grid-3,
  .grid-4,
  .stats,
  .portfolio-grid{
    grid-template-columns:1fr 1fr;
  }

  .hero-visual{
    height:520px;
  }

  .browser-frame{
    position:static;
  }
}

@media(max-width:768px){

  section{
    padding:70px 0;
  }

  .nav-links{
    display:none;
  }

  h1{
    font-size:3rem;
  }

  h2{
    font-size:2.3rem;
  }

  .grid-3,
  .grid-4,
  .stats,
  .portfolio-grid{
    grid-template-columns:1fr;
  }

  .hero-visual{
    height:420px;
  }

  .final-cta{
    padding:48px 32px;
  }

  .case-pagination{
    flex-direction:column;
    align-items:flex-start;
  }
}