/* ═══════════════════════════════════════════════════════════════
   Ryan Eromosele Osagiede — portfolio
   Theme: white + red · GitHub/code aesthetic
   ═══════════════════════════════════════════════════════════════ */

:root {
  --red: #e63946;          /* primary red */
  --red-dark: #c1121f;     /* hover / accents */
  --red-soft: #fdecec;     /* soft red tint */
  --ink: #111214;          /* near-black text */
  --ink-soft: #555a63;     /* secondary text */
  --line: #e4e6ea;         /* borders */
  --white: #ffffff;
  --mono: 'JetBrains Mono', 'Cascadia Code', Consolas, monospace;
  --sans: 'Inter', 'Segoe UI', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--white);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: var(--mono); }
.red { color: var(--red); }
.cursor { color: var(--red); animation: blink 1s step-end infinite; }

@keyframes blink { 50% { opacity: 0; } }

a { color: inherit; text-decoration: none; }

::selection { background: var(--red); color: #fff; }

/* ═══ NAV ═══ */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 5vw;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav-logo { font-family: var(--mono); font-weight: 700; font-size: 1.05rem; }
.nav-logo-brace { color: var(--red); }

.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { font-family: var(--mono); font-size: 0.82rem; color: var(--ink-soft); transition: color .18s; }
.nav-links a:hover { color: var(--red); }

.nav-cta {
  border: 1.5px solid var(--red); color: var(--red) !important;
  padding: 7px 16px; border-radius: 6px; font-weight: 700;
  transition: all .18s;
}
.nav-cta:hover { background: var(--red); color: #fff !important; }

/* ═══ HERO ═══ */
.hero { padding: 72px 5vw 40px; }

.hero-grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: 56px; align-items: center; max-width: 1200px; margin: 0 auto;
}

.hero-kicker { font-size: 0.95rem; color: var(--ink-soft); margin-bottom: 10px; }

.hero-name {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800; letter-spacing: -1.5px; line-height: 1.08;
  margin-bottom: 14px;
}

.hero-roles { font-size: 1rem; margin-bottom: 20px; color: var(--ink-soft); }
.fn { color: var(--red-dark); font-weight: 700; }

.hero-sub { max-width: 540px; font-size: 1.06rem; color: var(--ink-soft); margin-bottom: 28px; }
.hero-sub strong { color: var(--ink); font-weight: 700; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 12px 22px; border-radius: 8px;
  font-weight: 700; font-size: 0.95rem; transition: all .18s;
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); transform: translateY(-1px); }
.btn-ghost { border: 1.5px solid var(--line); color: var(--ink-soft); font-size: 0.85rem; }
.btn-ghost:hover { border-color: var(--red); color: var(--red); }
.btn-small { padding: 8px 14px; font-size: 0.78rem; border: 1.5px solid var(--line); color: var(--red-dark); border-radius: 6px; }
.btn-small:hover { border-color: var(--red); background: var(--red-soft); }
.btn-demo { background: var(--red); color: #fff; border-color: var(--red); }
.btn-demo:hover { background: var(--red-dark); border-color: var(--red-dark); color: #fff; }
.mini-link.btn-demo { background: var(--red); color: #fff; border-radius: 4px; padding: 2px 7px; }
.mini-link.btn-demo:hover { background: var(--red-dark); text-decoration: none; }

/* terminal card */
.terminal {
  border: 1.5px solid var(--line); border-radius: 12px; overflow: hidden;
  box-shadow: 0 18px 40px -18px rgba(17,18,20,0.18);
  background: #fbfbfc;
}
.terminal-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 14px; background: var(--ink); color: #cfd3da;
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot-r { background: #ff5f57; } .dot-y { background: #febc2e; } .dot-g { background: #28c840; }
.terminal-title { font-size: 0.72rem; margin-left: 8px; color: #9aa1ab; }
.terminal-body { padding: 18px 18px 20px; font-size: 0.83rem; min-height: 260px; }
.terminal-body p { margin-bottom: 9px; }
.t-prompt { color: var(--red); font-weight: 700; }
.t-cmd { color: #e8eaee; background: transparent; }
.t-out { color: #9aa1ab; white-space: pre-wrap; }
.typed { color: #e8eaee; }

/* hero stats */
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: 12px;
  overflow: hidden; max-width: 1200px; margin: 56px auto 0;
}
.stat { background: var(--white); padding: 20px 22px; display: flex; flex-direction: column; gap: 4px; }
.stat-num { font-size: 1.7rem; font-weight: 700; }
.stat-label { font-size: 0.82rem; color: var(--ink-soft); }

/* ═══ SECTIONS ═══ */
.section { padding: 72px 5vw; max-width: 1200px; margin: 0 auto; }

.section-title {
  font-size: 1.05rem; font-weight: 700; color: var(--red-dark);
  margin-bottom: 10px; letter-spacing: 0.2px;
}
.section-title::before { content: '▍'; margin-right: 8px; }

.section-intro { color: var(--ink-soft); margin-bottom: 34px; max-width: 640px; }

/* ═══ TOOLBOX ═══ */
.tools { display: flex; flex-wrap: wrap; gap: 12px; }

.tool {
  font-family: var(--mono); font-size: 0.86rem;
  border: 1.5px solid var(--line); border-radius: 8px;
  padding: 9px 14px; background: var(--white);
  color: var(--ink); transition: all .18s; cursor: default;
}
.tool:hover { border-color: var(--red); color: var(--red); transform: translateY(-2px); box-shadow: 0 6px 14px -8px rgba(230,57,70,0.5); }
.tool b { color: var(--red); font-weight: 700; }

/* ═══ PROJECTS ═══ */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }

.card {
  border: 1.5px solid var(--line); border-radius: 12px; overflow: hidden;
  background: var(--white); transition: all .2s;
  display: flex; flex-direction: column;
}
.card:hover { border-color: var(--red); transform: translateY(-3px); box-shadow: 0 16px 34px -20px rgba(230,57,70,0.35); }

.card-bar {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 14px; background: #f4f5f7; border-bottom: 1px solid var(--line);
  font-size: 0.72rem; color: var(--ink-soft);
}
.card-dot { width: 9px; height: 9px; border-radius: 50%; background: #d3d6db; }
.card-branch { margin-left: 6px; }
.card-branch::before { content: '⑂ '; }

.card-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }

.card h3 { font-size: 1.18rem; font-weight: 800; letter-spacing: -0.3px; margin-bottom: 10px; }

.badge {
  font-family: var(--mono); font-size: 0.62rem; font-weight: 700;
  color: #fff; background: var(--red); border-radius: 5px;
  padding: 2px 7px; vertical-align: middle; margin-left: 6px; letter-spacing: 0.5px;
}

.card-desc { color: var(--ink-soft); font-size: 0.94rem; margin-bottom: 16px; flex: 1; }

.card-meta { display: flex; flex-direction: column; gap: 4px; margin-bottom: 16px; }
.meta-line { font-size: 0.74rem; color: var(--ink-soft); }
.meta-line::before { content: '› '; color: var(--red); }

.card-links { display: flex; gap: 10px; }

.sub-title { font-size: 0.9rem; color: var(--ink-soft); margin: 44px 0 16px; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  font-family: var(--mono); font-size: 0.78rem;
  border: 1.5px dashed var(--line); border-radius: 999px;
  padding: 7px 15px; color: var(--ink-soft); background: #fafafa;
  transition: all .18s;
}
.chip:hover { border-color: var(--red); border-style: solid; color: var(--red); }

/* ═══ MORE AI MINI CARDS ═══ */
.mini-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; }
.mini-card {
  border: 1.5px solid var(--line); border-radius: 10px; padding: 14px 16px;
  background: var(--white); display: flex; flex-direction: column; gap: 8px;
  transition: all .18s;
}
.mini-card:hover { border-color: var(--red); transform: translateY(-2px); }
.mini-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.mini-name { font-size: 0.82rem; font-weight: 600; }
.mini-desc { color: var(--ink-soft); font-size: 0.82rem; margin: 0; }
.mini-foot { display: flex; justify-content: space-between; align-items: center; font-size: 0.72rem; color: var(--ink-soft); }
.mini-link { color: var(--red); text-decoration: none; }
.mini-link:hover { text-decoration: underline; }

/* ═══ MY OTHER WORK ═══ */
.other-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.other-card {
  border: 1.5px solid var(--line); border-radius: 10px; padding: 14px 16px;
  background: var(--white); text-decoration: none; color: inherit; display: block;
  transition: all .18s;
}
.other-card:hover { border-color: var(--red); transform: translateY(-2px); }
.other-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.other-name { font-size: 0.85rem; font-weight: 700; }
.other-desc { color: var(--ink-soft); font-size: 0.82rem; margin: 0; }
.lang-badge, .priv-badge {
  font-family: var(--mono); font-size: 0.6rem; font-weight: 700;
  border-radius: 4px; padding: 2px 6px; letter-spacing: 0.4px;
}
.lang-badge { color: var(--ink-soft); border: 1px solid var(--line); }
.priv-badge { color: #fff; background: #8b8f98; }
.muted { color: var(--ink-soft); }

/* ═══ ABOUT ═══ */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
.about-p { color: var(--ink-soft); margin-bottom: 16px; font-size: 1rem; }
.about-p strong { color: var(--ink); }

.about-code {
  background: var(--ink); color: #e8eaee; border-radius: 12px;
  padding: 22px 24px; font-size: 0.85rem; line-height: 1.9;
  box-shadow: 0 18px 40px -18px rgba(17,18,20,0.25);
}
.about-code .red { color: #ff6b76; }
.about-code .str { color: #7ee2a8; }

/* ═══ CONTACT ═══ */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.contact-card {
  border: 1.5px solid var(--line); border-radius: 12px; padding: 22px 24px;
  display: flex; flex-direction: column; gap: 8px; transition: all .2s; background: var(--white);
}
.contact-card:hover { border-color: var(--red); box-shadow: 0 14px 30px -18px rgba(230,57,70,0.4); }
.contact-label { font-size: 0.75rem; color: var(--ink-soft); }
.contact-value { font-size: 0.95rem; font-weight: 700; color: var(--ink); }
.contact-card:hover .contact-value { color: var(--red); }

/* ═══ FOOTER ═══ */
.footer {
  border-top: 1px solid var(--line); padding: 26px 5vw;
  text-align: center; font-size: 0.78rem; color: var(--ink-soft);
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .cards { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .hero { padding-top: 48px; }
  .hero-stats { grid-template-columns: 1fr; }
  .section { padding: 56px 6vw; }
}