/* =========================================================
   Eniola Elijah — Portfolio
   Palette: paper white, ink, electric blue, deep navy, signal red
   Display: Space Grotesk | Body: Inter | Mono: JetBrains Mono
   ========================================================= */

:root{
  --paper: #FFFFFF;
  --paper-dim: #F5F7FB;
  --ink: #0B1220;
  --ink-soft: #4A5468;
  --blue: #1652F0;
  --blue-deep: #0B2A6B;
  --red: #E4372D;
  --line: #E4E8F1;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 10px;
  --wrap: 1160px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{ font-family: var(--font-display); margin:0; line-height:1.15; }
p{ margin:0; }
button{ font-family: inherit; cursor:pointer; }

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

:focus-visible{
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

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

/* faint grid texture, purely decorative */
.noise-overlay{
  position: fixed; inset:0; pointer-events:none; z-index:0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent 70%);
}

/* =========================
   Header
   ========================= */
.site-header{
  position: sticky; top:0; z-index:50;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.brand{ display:flex; align-items:center; gap:10px; font-family: var(--font-display); font-weight:600; font-size:1.05rem;}
.brand-mark{ font-family: var(--font-mono); color: var(--blue); font-weight:500; }
.main-nav ul{ display:flex; gap:2px; }
.main-nav a{
  display:block; padding: 10px 16px; border-radius: 8px;
  font-size:0.95rem; font-weight:500; color: var(--ink-soft);
  transition: color .15s ease, background .15s ease;
}
.main-nav a:hover{ color: var(--ink); background: var(--paper-dim); }
.main-nav a.is-active{ color: var(--blue); background: rgba(22,82,240,0.08); box-shadow: inset 0 -2px 0 var(--red); }

.nav-toggle{
  display:none; background:none; border:none; width:36px; height:28px;
  flex-direction:column; justify-content:space-between; padding:2px;
}
.nav-toggle span{ display:block; height:2px; width:100%; background: var(--ink); border-radius:2px; }

@media (max-width: 860px){
  .main-nav{
    position:absolute; top:76px; left:0; right:0;
    background: var(--paper); border-bottom:1px solid var(--line);
    max-height:0; overflow:hidden; transition: max-height .25s ease;
  }
  .main-nav.is-open{ max-height:400px; }
  .main-nav ul{ flex-direction:column; padding: 8px 28px 20px; }
  .nav-toggle{ display:flex; }
}

/* =========================
   Buttons
   ========================= */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding: 13px 24px; border-radius: 8px;
  font-weight:600; font-size:0.95rem;
  border:1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn-primary{ background: var(--blue); color:#fff; }
.btn-primary:hover{ background: var(--blue-deep); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(22,82,240,0.25); }
.btn-outline{ border-color: var(--line); color: var(--ink); background:#fff; }
.btn-outline:hover{ border-color: var(--ink); transform: translateY(-1px); }
.btn-arrow{ transition: transform .15s ease; }
.btn:hover .btn-arrow{ transform: translateX(3px); }

/* =========================
   Hero / IDE window
   ========================= */
.hero{
  position:relative; z-index:1;
  padding: 84px 0 60px;
}
.hero-grid{
  display:grid; grid-template-columns: 1.1fr 1fr; gap:56px; align-items:center;
}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-mono); font-size:0.8rem; color: var(--blue-deep);
  background: rgba(22,82,240,0.08); border:1px solid rgba(22,82,240,0.18);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 22px;
}
.eyebrow .dot{ width:7px; height:7px; border-radius:50%; background: var(--red); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse{ 0%,100%{ opacity:1;} 50%{ opacity:.35;} }

.hero h1{
  font-size: clamp(2.4rem, 4.4vw, 3.6rem);
  font-weight:700; letter-spacing:-0.02em;
  margin-bottom: 20px;
}
.hero h1 .accent{ color: var(--red); }
.hero h1 .accent-red{ color: var(--red); }
.hero p.lede{
  font-size:1.15rem; color: var(--ink-soft); max-width: 46ch; margin-bottom: 32px;
}
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom: 40px; }

.hero-meta{ display:flex; gap:28px; flex-wrap:wrap; }
.hero-meta div{ font-family: var(--font-mono); font-size:0.82rem; color: var(--ink-soft); }
.hero-meta strong{ display:block; font-family:var(--font-body); color: var(--ink); font-size:1rem; font-weight:700; }

/* IDE window signature element */
.ide-window{
  background: var(--ink); border-radius: 14px; overflow:hidden;
  box-shadow: 0 30px 60px -20px rgba(11,18,32,0.35);
  border: 1px solid #1c2436;
}
.ide-titlebar{
  display:flex; align-items:center; gap:8px;
  padding: 12px 16px; background:#0F1728; border-bottom:1px solid #1c2436;
}
.ide-dot{ width:11px; height:11px; border-radius:50%; }
.ide-dot.red{ background:#ff5f57; }
.ide-dot.yellow{ background:#febc2e; }
.ide-dot.green{ background:#28c840; }
.ide-tabname{ margin-left:12px; font-family: var(--font-mono); font-size:0.78rem; color:#8b95ab; }
.ide-body{ padding: 26px 24px 30px; font-family: var(--font-mono); font-size:0.87rem; color:#c7cee0; }
.ide-body .ln{ color:#48506a; display:inline-block; width:22px; user-select:none; }
.ide-body .kw{ color:#ff8fa3; }
.ide-body .fn{ color:#7ec6ff; }
.ide-body .str{ color:#a3e6b8; }
.ide-body .cm{ color:#5b6478; }
.ide-body .var{ color:#ffd479; }
.type-cursor{ display:inline-block; width:8px; height:1.1em; background: var(--blue); vertical-align:text-bottom; animation: blink 1s step-end infinite; margin-left:2px;}
@keyframes blink{ 50%{ opacity:0; } }

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .ide-window{ order:-1; }
}

/* =========================
   Section shells
   ========================= */
section{ position:relative; z-index:1; padding: 90px 0; }
.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-tag{
  font-family: var(--font-mono); font-size:0.8rem; color: var(--blue);
  display:flex; align-items:center; gap:10px; margin-bottom:14px;
}
.section-tag::before{ content:''; width:24px; height:2px; background: var(--red); display:inline-block; }
.section-head h2{ font-size: clamp(1.8rem, 3vw, 2.4rem); letter-spacing:-0.01em; }
.section-head p{ color: var(--ink-soft); margin-top:14px; font-size:1.05rem; }
.section-alt{ background: var(--paper-dim); }

/* =========================
   Project list (stacked, with live screenshots)
   ========================= */
.project-list{ display:flex; flex-direction:column; }
.project-row{
  display:grid; grid-template-columns: 280px 1fr; gap: 32px; align-items:center;
  padding: 32px 0; border-bottom:1px solid var(--line);
  transition: transform .15s ease;
}
.project-row:first-child{ padding-top:0; }
.project-row:last-child{ border-bottom:none; }
.project-row:hover{ transform: translateX(4px); }

.project-shot{
  position:relative; border-radius: var(--radius); overflow:hidden;
  border:1px solid var(--line); background: var(--paper-dim);
  aspect-ratio: 16/10;
}
.project-shot img{
  width:100%; height:100%; object-fit:cover; object-position: top center;
  display:block;
}
.project-shot .project-tag{
  position:absolute; top:10px; left:10px;
  font-family: var(--font-mono); font-size:0.75rem; font-weight:700;
  color:#fff; background: rgba(11,18,32,0.65); backdrop-filter: blur(3px);
  padding: 3px 9px; border-radius: 6px;
}

.project-top{ display:flex; justify-content:space-between; align-items:flex-start; gap:12px; margin-bottom:8px; }
.project-cat{
  font-family: var(--font-mono); font-size:0.72rem; text-transform:uppercase; letter-spacing:0.06em;
  color: var(--red); background: rgba(228,55,45,0.08); padding:4px 10px; border-radius:999px; white-space:nowrap;
}
.project-row h3{ font-size:1.3rem; }
.project-row p{ color: var(--ink-soft); font-size:0.98rem; margin-top:6px; }
.project-stack{ display:flex; flex-wrap:wrap; gap:8px; margin-top:14px; }
.project-stack span{ font-family: var(--font-mono); font-size:0.75rem; color: var(--ink-soft); background: var(--paper-dim); border:1px solid var(--line); padding:4px 9px; border-radius:6px; }
.project-link{ display:inline-flex; align-items:center; gap:6px; font-weight:600; color: var(--blue); font-size:0.92rem; margin-top:14px; }
.project-link:hover{ color: var(--blue-deep); }

@media (max-width: 700px){
  .project-row{ grid-template-columns: 1fr; }
}

/* =========================
   Skills
   ========================= */
.skills-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.skill-card{ border:1px solid var(--line); border-radius: var(--radius); padding: 24px; background:#fff; }
.skill-card h4{ font-size:1rem; margin-bottom:14px; color: var(--red); }
.skill-card ul li{ font-size:0.92rem; color: var(--ink-soft); padding:5px 0; border-top:1px dashed var(--line); }
.skill-card ul li:first-child{ border-top:none; }
@media (max-width: 900px){ .skills-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .skills-grid{ grid-template-columns: 1fr; } }

/* =========================
   Services
   ========================= */
.services-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.service-card{ border:1px solid var(--line); border-left:3px solid var(--red); border-radius: var(--radius); padding:30px; background:#fff; }
.service-tag{ font-family: var(--font-mono); font-size:0.78rem; color:#fff; background: var(--blue); display:inline-block; padding:4px 10px; border-radius:6px; margin-bottom:16px; }
.service-card h3{ font-size:1.3rem; margin-bottom:10px; }
.service-card p{ color: var(--ink-soft); }
@media (max-width: 760px){ .services-grid{ grid-template-columns:1fr; } }

/* =========================
   Testimonials / CTA band
   ========================= */
.cta-band{
  background: var(--blue-deep); color:#fff; border-radius: 18px;
  padding: 56px 48px; display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;
  position:relative; overflow:hidden;
}
.cta-band::after{
  content:''; position:absolute; right:-60px; top:-60px; width:220px; height:220px; border-radius:50%;
  background: radial-gradient(circle, rgba(228,55,45,0.35), transparent 70%);
}
.cta-band h2{ font-size:clamp(1.6rem,3vw,2.1rem); max-width:20ch; position:relative; }
.cta-band .btn-primary{ background:#fff; color: var(--blue-deep); position:relative; }
.cta-band .btn-primary:hover{ background: var(--paper-dim); }

/* =========================
   About page specifics
   ========================= */
.about-grid{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap:56px; align-items:start; }
.about-photo{
  aspect-ratio: 4/5; border-radius: var(--radius); background: var(--blue-deep);
  display:flex; align-items:center; justify-content:center;
  background-image: linear-gradient(155deg, var(--blue-deep), var(--blue) 130%);
}
.about-photo svg{ width:42%; height:42%; }
.timeline{ border-left:2px solid var(--line); margin-left:6px; }
.timeline-item{ padding: 4px 0 30px 28px; position:relative; }
.timeline-item::before{
  content:''; position:absolute; left:-7px; top:6px; width:12px; height:12px; border-radius:50%;
  background: var(--paper); border:2px solid var(--red);
}
.timeline-item .t-year{ font-family: var(--font-mono); color: var(--red); font-size:0.85rem; }
.timeline-item h4{ margin: 4px 0 6px; font-size:1.1rem; }
.timeline-item p{ color: var(--ink-soft); font-size:0.95rem; }

/* =========================
   Contact page
   ========================= */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:56px; }
.contact-info-card{
  border:1px solid var(--line); border-radius: var(--radius); padding:28px; background:#fff; margin-bottom:16px;
}
.contact-info-card h4{ font-family: var(--font-mono); font-size:0.85rem; color: var(--blue); margin-bottom:8px; }
.contact-info-card p, .contact-info-card a{ font-size:1.05rem; }

.field{ margin-bottom: 20px; }
.field label{ display:block; font-size:0.88rem; font-weight:600; margin-bottom:8px; }
.field input, .field textarea, .field select{
  width:100%; padding: 13px 14px; border-radius:8px; border:1px solid var(--line);
  font-family: var(--font-body); font-size:0.95rem; background:#fff; color: var(--ink);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field textarea:focus, .field select:focus{
  border-color: var(--blue); box-shadow: 0 0 0 3px rgba(22,82,240,0.12); outline:none;
}
.field textarea{ resize:vertical; min-height:130px; }
.form-note{
  font-size:0.85rem; color: var(--ink-soft); background: var(--paper-dim);
  border:1px solid var(--line); border-left:3px solid var(--red);
  padding:12px 16px; border-radius:8px; margin-top:6px;
}
@media (max-width: 860px){ .contact-grid, .about-grid{ grid-template-columns:1fr; } }

/* =========================
   Page hero (inner pages)
   ========================= */
.page-hero{ padding: 64px 0 20px; }
.page-hero h1{ font-size: clamp(2.1rem, 4vw, 3rem); }
.page-hero p{ color: var(--ink-soft); font-size:1.1rem; max-width:60ch; margin-top:16px; }

/* =========================
   Footer
   ========================= */
.site-footer{ background: var(--ink); color: #c7cee0; position:relative; z-index:1; }
.footer-inner{
  display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap:40px;
  padding: 64px 0 40px;
}
.footer-brand p{ color:#8b95ab; margin-top:14px; max-width: 32ch; }
.site-footer h4{ font-family: var(--font-body); font-size:0.85rem; text-transform:uppercase; letter-spacing:0.06em; color:#8b95ab; margin-bottom:16px; }
.site-footer ul li{ margin-bottom:10px; }
.site-footer a:hover{ color: #fff; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08); padding: 22px 0; display:flex; justify-content:space-between;
  font-size:0.82rem; color:#5b6478; flex-wrap:wrap; gap:8px;
}
@media (max-width: 760px){ .footer-inner{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px){ .footer-inner{ grid-template-columns: 1fr; } }

/* =========================
   Reveal-on-scroll
   ========================= */
.reveal{ opacity:0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity:1; transform:none; }