/* =========================================================
   DIGIHUB — Design System
   Ink navy + warm paper, amber accent, teal secondary.
   Display: Space Grotesk / Body: Inter
   ========================================================= */

:root{
  --ink:      #10152B;
  --ink-soft: #1B2140;
  --paper:    #F5F4EF;
  --paper-2:  #EDEBE3;
  --white:    #FFFFFF;
  --amber:    #E8912F;
  --amber-dark:#C97418;
  --teal:     #1F6F63;
  --line:     rgba(16,21,43,0.12);
  --line-lt:  rgba(255,255,255,0.14);
  --text:     #1B1E2B;
  --text-soft:#5C6070;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius: 6px;
  --container: 1160px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--paper);
  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-display); margin:0; line-height:1.15; font-weight:600; }
p{ margin:0; }
button{ font-family: inherit; cursor:pointer; }
:focus-visible{ outline: 2px solid var(--amber); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

.container{ max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- Preloader ---------- */
.preloader{
  position: fixed; inset:0; background: var(--ink); z-index: 9999;
  display:flex; align-items:center; justify-content:center;
  transition: opacity .5s ease, visibility .5s ease;
}
.preloader.done{ opacity:0; visibility:hidden; }
.preloader-mark{
  font-family: var(--font-display); font-size: 2.4rem; color: var(--paper);
  animation: pulse 1s ease-in-out infinite;
}
@keyframes pulse{ 0%,100%{ opacity:.4; transform: scale(.96);} 50%{ opacity:1; transform: scale(1);} }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding: 13px 26px; border-radius: var(--radius);
  font-weight:600; font-size: 0.95rem; border: 1px solid transparent;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-primary{ background: var(--amber); color: var(--ink); }
.btn-primary:hover{ background: var(--amber-dark); transform: translateY(-2px); }
.btn-outline{ border-color: var(--line); color: var(--text); }
.btn-outline:hover{ border-color: var(--ink); transform: translateY(-2px); }
.btn-outline-light{ border-color: var(--line-lt); color: var(--paper); }
.btn-outline-light:hover{ border-color: var(--paper); transform: translateY(-2px); }
.btn-small{ padding: 10px 18px; font-size: 0.88rem; }

/* ---------- Header ---------- */
.site-header{
  position: sticky; top:0; z-index: 500;
  background: rgba(245,244,239,0.9); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; height: 78px; }
.logo{ font-family: var(--font-display); font-size: 1.35rem; font-weight:700; color: var(--ink); }
.logo img{ height: 34px; }
.logo-dot{ color: var(--amber); }
.main-nav{ display:flex; gap: 34px; }
.main-nav a{ font-size: 0.95rem; font-weight:500; color: var(--text-soft); position:relative; padding: 6px 0; }
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:0; width:0; height:2px; background: var(--amber);
  transition: width .25s ease;
}
.main-nav a:hover, .main-nav a.active{ color: var(--ink); }
.main-nav a:hover::after, .main-nav a.active::after{ width:100%; }
.header-actions{ display:flex; align-items:center; gap:18px; }
.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; padding:6px; }
.nav-toggle span{ width:22px; height:2px; background: var(--ink); display:block; }

/* ---------- Hero ---------- */
.hero{
  background: var(--ink); color: var(--paper);
  padding: 80px 0 0; overflow:hidden; position:relative;
}
.hero-grid{ display:grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; align-items:end; padding-bottom: 60px; }
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px; font-size: 0.85rem; font-weight:600;
  color: var(--amber); margin-bottom: 22px; letter-spacing: .01em;
}
.hero-eyebrow::before{ content:''; width:7px; height:7px; border-radius:50%; background: var(--amber); }
.hero h1{
  font-size: clamp(2.4rem, 5.2vw, 4.4rem); font-weight:600; letter-spacing:-0.01em;
  max-width: 14ch;
}
.hero-sub{
  color: rgba(245,244,239,0.72); font-size: 1.12rem; max-width: 46ch; margin: 26px 0 34px;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }
.hero-stats{ display:flex; flex-direction:column; gap: 28px; padding-bottom: 6px; }
.hero-stat .num{ font-family: var(--font-display); font-size: 2.6rem; color: var(--paper); }
.hero-stat .num .amber{ color: var(--amber); }
.hero-stat .lbl{ color: rgba(245,244,239,0.6); font-size: 0.92rem; margin-top:4px; }

/* ---------- Marquee ---------- */
.marquee-strip{
  background: var(--amber); color: var(--ink);
  overflow:hidden; white-space:nowrap; padding: 14px 0;
}
.marquee-track{ display:inline-flex; animation: scrollLeft 26s linear infinite; }
.marquee-track span{ font-family: var(--font-display); font-weight:600; font-size:1.05rem; padding: 0 28px; display:inline-flex; align-items:center; gap:28px; }
.marquee-track span::after{ content:'✦'; opacity:.6; }
@keyframes scrollLeft{ from{ transform: translateX(0);} to{ transform: translateX(-50%);} }

/* ---------- Section basics ---------- */
.section{ padding: 100px 0; }
.section-tight{ padding: 70px 0; }
.section-head{ display:flex; justify-content:space-between; align-items:flex-end; gap: 30px; margin-bottom: 54px; flex-wrap:wrap; }
.section-tag{ color: var(--teal); font-weight:600; font-size:0.9rem; margin-bottom:12px; display:block; }
.section-head h2{ font-size: clamp(1.7rem, 3vw, 2.5rem); max-width: 20ch; }
.section-head p{ color: var(--text-soft); max-width: 40ch; }
.on-ink{ background: var(--ink); color: var(--paper); }
.on-ink .section-head p{ color: rgba(245,244,239,0.65); }
.on-ink .section-tag{ color: var(--amber); }

/* reveal on scroll */
.reveal{ opacity:0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform: translateY(0); }

/* ---------- Services ---------- */
.service-list{ border-top: 1px solid var(--line); }
.service-row{
  display:grid; grid-template-columns: 60px 1fr 1.1fr 40px; align-items:center; gap: 24px;
  padding: 30px 0; border-bottom: 1px solid var(--line);
  transition: background .25s ease;
}
.service-row:hover{ background: var(--paper-2); }
.service-index{ font-family: var(--font-display); color: var(--text-soft); font-size:0.95rem; }
.service-row h3{ font-size: 1.35rem; }
.service-row p{ color: var(--text-soft); font-size: 0.98rem; }
.service-arrow{ width: 38px; height:38px; border-radius:50%; border:1px solid var(--line); display:flex; align-items:center; justify-content:center; transition: all .25s ease; }
.service-row:hover .service-arrow{ background: var(--ink); border-color: var(--ink); color: var(--paper); transform: rotate(45deg); }

/* ---------- About / stats ---------- */
.about-grid{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 70px; align-items:center; }
.about-media{ position:relative; }
.about-media .frame{
  aspect-ratio: 4/5; background: linear-gradient(155deg, var(--teal), var(--ink)); border-radius: var(--radius);
  display:flex; align-items:center; justify-content:center; color: rgba(245,244,239,0.85);
  font-family: var(--font-display); font-size: 1.1rem; text-align:center; padding: 30px;
}
.about-text p{ color: var(--text-soft); margin-top: 18px; font-size: 1.05rem; }
.stat-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 24px; margin-top: 46px; }
.stat-box{ border-top: 2px solid var(--ink); padding-top: 14px; }
.stat-box .num{ font-family: var(--font-display); font-size: 2.1rem; }
.stat-box .lbl{ color: var(--text-soft); font-size: 0.88rem; margin-top: 4px; }

/* ---------- Portfolio ---------- */
.portfolio-filter{ display:flex; gap: 10px; flex-wrap:wrap; margin-bottom: 40px; }
.portfolio-filter button{
  background:none; border:1px solid var(--line); padding: 9px 18px; border-radius: 100px;
  font-size: 0.88rem; font-weight:600; color: var(--text-soft); transition: all .2s ease;
}
.portfolio-filter button.active, .portfolio-filter button:hover{ background: var(--ink); color: var(--paper); border-color: var(--ink); }
.portfolio-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.portfolio-card{ position:relative; border-radius: var(--radius); overflow:hidden; }
.portfolio-thumb{
  aspect-ratio: 4/5; background: linear-gradient(160deg, var(--ink-soft), var(--ink));
  display:flex; align-items:center; justify-content:center; color: rgba(245,244,239,0.3);
  font-family: var(--font-display); font-size:1.4rem; position:relative; overflow:hidden;
}
.portfolio-card img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.portfolio-overlay{
  position:absolute; inset:0; background: linear-gradient(0deg, rgba(16,21,43,0.92), rgba(16,21,43,0) 55%);
  display:flex; flex-direction:column; justify-content:flex-end; padding: 24px;
  opacity: 0; transition: opacity .3s ease;
}
.portfolio-card:hover .portfolio-overlay{ opacity:1; }
.portfolio-overlay .cat{ color: var(--amber); font-size:0.8rem; font-weight:600; margin-bottom:6px; }
.portfolio-overlay h3{ color: var(--paper); font-size: 1.25rem; }

/* ---------- Testimonials ---------- */
.testimonial-track{ display:grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.testimonial-card{
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px;
}
.testimonial-card .stars{ color: var(--amber); letter-spacing: 2px; margin-bottom: 18px; }
.testimonial-card p.quote{ font-size: 1.02rem; color: var(--text); margin-bottom: 24px; }
.testimonial-who{ display:flex; align-items:center; gap: 12px; }
.avatar-fallback{
  width: 42px; height:42px; border-radius:50%; background: var(--paper-2); display:flex; align-items:center;
  justify-content:center; font-family: var(--font-display); font-weight:700; color: var(--ink);
}
.testimonial-who .name{ font-weight:600; font-size:0.95rem; }
.testimonial-who .role{ font-size: 0.85rem; color: var(--text-soft); }

/* ---------- FAQ ---------- */
.faq-list{ max-width: 780px; }
.faq-item{ border-bottom: 1px solid var(--line); }
.faq-q{
  width:100%; background:none; border:none; text-align:left; padding: 24px 0;
  display:flex; justify-content:space-between; align-items:center; gap: 20px;
  font-family: var(--font-display); font-size: 1.08rem; color: var(--text);
}
.faq-q .plus{ font-size: 1.4rem; color: var(--amber); transition: transform .25s ease; flex-shrink:0; }
.faq-item.open .faq-q .plus{ transform: rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition: max-height .3s ease; }
.faq-a-inner{ padding-bottom: 22px; color: var(--text-soft); max-width: 62ch; }

/* ---------- Team ---------- */
.team-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 26px; }
.team-card{ text-align:center; }
.team-photo{
  aspect-ratio: 3/3.6; border-radius: var(--radius); background: linear-gradient(160deg, var(--paper-2), var(--paper));
  border: 1px solid var(--line); display:flex; align-items:center; justify-content:center;
  font-family: var(--font-display); font-size: 2rem; color: var(--text-soft); margin-bottom: 16px; overflow:hidden; position:relative;
}
.team-photo img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.team-card h4{ font-size: 1.05rem; }
.team-card span{ color: var(--text-soft); font-size: 0.88rem; }

/* ---------- Blog ---------- */
.blog-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
.blog-card-thumb{
  aspect-ratio: 16/10; border-radius: var(--radius); background: linear-gradient(160deg, var(--ink-soft), var(--ink));
  margin-bottom: 20px; position:relative; overflow:hidden;
}
.blog-card-thumb img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.blog-meta{ font-size: 0.82rem; color: var(--text-soft); margin-bottom: 8px; }
.blog-meta .cat{ color: var(--teal); font-weight:600; }
.blog-card h3{ font-size: 1.2rem; margin-bottom: 10px; }
.blog-card p{ color: var(--text-soft); font-size: 0.95rem; }

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info-item{ padding: 22px 0; border-bottom: 1px solid var(--line-lt); }
.contact-info-item .lbl{ color: var(--amber); font-size:0.85rem; font-weight:600; margin-bottom: 6px; display:block; }
.contact-info-item a, .contact-info-item span{ font-size: 1.15rem; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group{ margin-bottom: 18px; }
.form-group label{ display:block; font-size: 0.85rem; font-weight:600; margin-bottom: 7px; }
.form-group input, .form-group textarea{
  width:100%; padding: 13px 16px; border-radius: var(--radius); border: 1px solid var(--line);
  background: var(--white); font-family: inherit; font-size: 0.95rem; color: var(--text);
}
.form-group input:focus, .form-group textarea:focus{ border-color: var(--ink); outline:none; }
.alert{ padding: 14px 18px; border-radius: var(--radius); margin-bottom: 22px; font-size: 0.92rem; }
.alert-success{ background: #E4F3EF; color: var(--teal); border: 1px solid rgba(31,111,99,0.25); }
.alert-error{ background: #FBE9E4; color: #A5401B; border: 1px solid rgba(165,64,27,0.25); }

/* ---------- Client logos marquee ---------- */
.logo-marquee{ overflow:hidden; white-space:nowrap; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 30px 0; }
.logo-marquee-track{ display:inline-flex; gap: 70px; animation: scrollLeft 24s linear infinite; align-items:center; }
.logo-marquee-track span{ font-family: var(--font-display); font-size: 1.2rem; color: var(--text-soft); opacity:.6; }

/* ---------- Page header (inner pages) ---------- */
.page-header{ background: var(--ink); color: var(--paper); padding: 130px 0 60px; }
.page-header .crumb{ color: var(--amber); font-size: 0.85rem; font-weight:600; margin-bottom: 14px; display:block; }
.page-header h1{ font-size: clamp(2rem, 4vw, 3rem); }

/* ---------- Footer ---------- */
.site-footer{ background: var(--ink); color: var(--paper); padding-top: 80px; }
.footer-top{ display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; padding-bottom: 60px; border-bottom: 1px solid var(--line-lt); }
.logo-light{ color: var(--paper); }
.footer-brand p{ color: rgba(245,244,239,0.65); margin-top: 18px; max-width: 34ch; }
.social-links{ display:flex; gap: 12px; margin-top: 22px; }
.social-links a{
  width:38px; height:38px; border-radius:50%; border: 1px solid var(--line-lt); display:flex;
  align-items:center; justify-content:center; font-size: 0.72rem; font-weight:700; transition: all .2s ease;
}
.social-links a:hover{ background: var(--amber); border-color: var(--amber); color: var(--ink); }
.footer-col h4{ font-size: 0.95rem; margin-bottom: 20px; color: rgba(245,244,239,0.5); }
.footer-col a, .footer-col span{ display:block; color: rgba(245,244,239,0.75); margin-bottom: 13px; font-size: 0.94rem; }
.footer-col a:hover{ color: var(--amber); }
.footer-bottom{ display:flex; justify-content:space-between; padding: 26px 0; font-size: 0.85rem; color: rgba(245,244,239,0.5); }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-stats{ flex-direction:row; gap: 40px; }
  .about-grid{ grid-template-columns:1fr; }
  .portfolio-grid, .team-grid, .blog-grid, .testimonial-track{ grid-template-columns: repeat(2,1fr); }
  .footer-top{ grid-template-columns: 1fr 1fr; }
  .footer-brand{ grid-column: 1 / -1; }
}
@media (max-width: 720px){
  .main-nav{
    position:fixed; top:78px; left:0; right:0; background: var(--paper); flex-direction:column;
    padding: 20px 24px; gap: 4px; border-bottom: 1px solid var(--line);
    transform: translateY(-140%); transition: transform .3s ease; opacity:0;
  }
  .main-nav.open{ transform: translateY(0); opacity:1; }
  .main-nav a{ padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-toggle{ display:flex; }
  .header-actions .btn-small{ display:none; }
  .service-row{ grid-template-columns: 1fr; gap:10px; }
  .service-index, .service-arrow{ display:none; }
  .portfolio-grid, .team-grid, .blog-grid, .testimonial-track{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .form-row{ grid-template-columns:1fr; }
  .stat-grid{ grid-template-columns: repeat(2,1fr); }
  .section{ padding: 64px 0; }
}