/* Jonathan Kelly — Data & AI Consulting (light theme) */
:root {
  --bg: #fbfcff;
  --bg-alt: #f3f6fd;
  --card: #ffffff;
  --card-hover: #fafbff;
  --border: #e4e9f5;
  --text: #18223a;
  --text-dim: #5b6b87;
  --accent: #29b5e8;       /* Snowflake blue */
  --accent-dark: #0e90c5;  /* readable blue on light */
  --accent-2: #7c5cff;     /* AI purple */
  --pink: #ec4d9b;
  --orange: #ff8a3d;
  --gold: #d9941c;
  --grad: linear-gradient(90deg, #29b5e8, #7c5cff, #ec4d9b, #ff8a3d);
  --grad-135: linear-gradient(135deg, #29b5e8, #7c5cff, #ec4d9b, #ff8a3d);
  --shadow: 0 1px 3px rgba(23, 43, 99, 0.07), 0 8px 24px -12px rgba(23, 43, 99, 0.12);
  --radius: 14px;
  --maxw: 1140px;
  font-size: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  overflow-wrap: break-word;
  word-break: break-word;
}
a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { padding: 80px 0; }
section.alt {
  background: linear-gradient(135deg, #f1f6fd 0%, #f5f3fd 45%, #fdf3f9 80%, #fef6f0 100%);
}

h1, h2, h3 { line-height: 1.2; font-weight: 700; }
h2 { font-size: 2rem; margin-bottom: 12px; }
.section-sub { color: var(--text-dim); max-width: 720px; margin-bottom: 40px; }
.eyebrow {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 8px;
  display: inline-block;
}

/* Nav */
nav {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(251, 252, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
nav::before {
  content: ""; display: block; height: 3px; background: var(--grad);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo { font-weight: 700; font-size: 1.05rem; color: var(--text); }
.logo span {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nav-links { display: flex; gap: 26px; align-items: center; list-style: none; }
.nav-links a { color: var(--text-dim); font-size: 0.92rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta {
  background: var(--grad-135); color: #ffffff !important;
  padding: 9px 18px; border-radius: 8px; font-weight: 600;
  box-shadow: 0 2px 10px -2px rgba(124, 92, 255, 0.45);
}
.nav-cta:hover { filter: brightness(1.07); }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.6rem; cursor: pointer; }

/* Hero */
.hero {
  padding: 110px 0 90px;
  background:
    radial-gradient(ellipse 55% 50% at 75% 15%, rgba(41, 181, 232, 0.16), transparent),
    radial-gradient(ellipse 45% 40% at 15% 75%, rgba(124, 92, 255, 0.14), transparent),
    radial-gradient(ellipse 40% 35% at 92% 70%, rgba(236, 77, 155, 0.12), transparent),
    radial-gradient(ellipse 35% 30% at 40% 100%, rgba(255, 138, 61, 0.12), transparent);
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin-bottom: 18px; }
.hero h1 .grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: 1.18rem; color: var(--text-dim); max-width: 680px; margin-bottom: 32px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 13px 26px; border-radius: 10px;
  font-weight: 600; font-size: 0.98rem; cursor: pointer; border: none;
  transition: transform 0.12s, box-shadow 0.2s, filter 0.2s;
  min-height: 44px;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: var(--grad-135); color: #ffffff;
  box-shadow: 0 4px 18px -4px rgba(124, 92, 255, 0.5);
}
.btn-primary:hover { filter: brightness(1.07); box-shadow: 0 6px 22px -4px rgba(236, 77, 155, 0.5); }
.btn-outline {
  border: 1px solid var(--border); color: var(--text); background: var(--card);
}
.btn-outline:hover { border-color: var(--accent-2); color: var(--accent-2); }
.hero-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 36px; }
.badge {
  font-size: 0.8rem; padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text-dim); background: rgba(255, 255, 255, 0.7);
}
.badge.sme { border-color: var(--gold); color: var(--gold); font-weight: 600; background: rgba(245, 185, 66, 0.08); }

/* Cards grid */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad); opacity: 0; transition: opacity 0.25s;
}
.card:hover { border-color: transparent; box-shadow: 0 6px 28px -8px rgba(124, 92, 255, 0.28); }
.card:hover::before { opacity: 1; }
.card h3 { font-size: 1.12rem; margin-bottom: 10px; }
.card p { color: var(--text-dim); font-size: 0.93rem; }
.card .icon { font-size: 1.7rem; margin-bottom: 14px; display: block; }
.card ul { margin: 12px 0 0 18px; color: var(--text-dim); font-size: 0.9rem; }
.card ul li { margin-bottom: 5px; }

/* Booking */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.price-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 28px; text-align: center;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow);
}
.price-card.featured {
  border: 2px solid transparent; position: relative;
  background-image: linear-gradient(var(--card), var(--card)), var(--grad-135);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: 0 8px 32px -10px rgba(124, 92, 255, 0.35);
}
.price-card .tag {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: #ffffff; font-size: 0.72rem; font-weight: 700;
  padding: 4px 14px; border-radius: 999px; text-transform: uppercase; letter-spacing: 1px;
}
.price-card .duration { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 6px; }
.price-card .price { font-size: 2.4rem; font-weight: 700; margin: 8px 0; }
.price-card.featured .price {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.price-card .price small { font-size: 1rem; color: var(--text-dim); font-weight: 400; }
.price-card .desc { color: var(--text-dim); font-size: 0.9rem; margin: 14px 0 24px; flex: 1; }
.price-card .note { font-size: 0.78rem; color: var(--text-dim); margin-top: 14px; }

/* Map demo */
#map { width: 100%; height: 520px; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); }
.map-controls { display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0; }
.map-btn {
  background: var(--card); border: 1px solid var(--border); color: var(--text);
  padding: 8px 16px; border-radius: 8px; font-size: 0.85rem; cursor: pointer;
}
.map-btn:hover { border-color: var(--accent-2); color: var(--accent-2); }
.map-btn.active {
  background: var(--grad-135); border-color: transparent; color: #ffffff; font-weight: 600;
}
.map-caption { font-size: 0.82rem; color: var(--text-dim); margin-top: 12px; }

/* Architecture patterns */
.pattern-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.pattern-tab {
  background: var(--card); border: 1px solid var(--border); color: var(--text-dim);
  padding: 10px 20px; border-radius: 999px; cursor: pointer; font-size: 0.9rem; font-weight: 500;
}
.pattern-tab:hover { border-color: var(--accent-2); color: var(--accent-2); }
.pattern-tab.active {
  background: var(--grad-135); border-color: transparent; color: #ffffff; font-weight: 600;
  box-shadow: 0 2px 12px -2px rgba(236, 77, 155, 0.4);
}
.pattern-panel { display: none; }
.pattern-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
.pattern-panel .diagram {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  box-shadow: var(--shadow);
}
.pattern-panel h3 { font-size: 1.3rem; margin-bottom: 12px; }
.pattern-panel p { color: var(--text-dim); margin-bottom: 14px; font-size: 0.95rem; }
.pattern-panel .when {
  border-left: 3px solid transparent;
  border-image: var(--grad-135);
  border-image-slice: 1;
  padding-left: 14px; font-size: 0.88rem; color: var(--text-dim);
}

/* Tech stack */
.stack-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stack-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; text-align: center;
  box-shadow: var(--shadow);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.stack-item:hover { border-color: var(--accent-2); box-shadow: 0 6px 24px -8px rgba(124, 92, 255, 0.3); }
.stack-item .name { font-weight: 600; margin-bottom: 6px; }
.stack-item .role { font-size: 0.8rem; color: var(--text-dim); }

/* About / certs */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
.cert-list { display: flex; flex-direction: column; gap: 14px; }
.cert {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 20px; display: flex; align-items: center; gap: 16px;
  box-shadow: var(--shadow);
}
.cert .cert-icon { font-size: 1.5rem; }
.cert .cert-name { font-weight: 600; font-size: 0.95rem; }
.cert .cert-issuer { font-size: 0.78rem; color: var(--text-dim); }
.cert.sme {
  border: 1px solid var(--gold);
  background: linear-gradient(135deg, rgba(245, 185, 66, 0.12), var(--card));
}
.cert.sme .cert-name { color: var(--gold); font-size: 1.05rem; }

/* Footer */
footer {
  border-top: 3px solid transparent;
  border-image: var(--grad);
  border-image-slice: 1;
  padding: 36px 0; color: var(--text-dim); font-size: 0.85rem;
  background: var(--bg-alt);
}
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* Modal for booking embed */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 2000;
  background: rgba(24, 34, 58, 0.5); align-items: center; justify-content: center; padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  width: min(960px, 100%); height: min(720px, 90vh); position: relative; overflow: hidden;
  box-shadow: 0 24px 64px -16px rgba(23, 43, 99, 0.35);
}
.modal iframe { width: 100%; height: 100%; border: none; }
.modal-close {
  position: absolute; top: 10px; right: 14px; background: var(--bg-alt); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; font-size: 1.1rem;
  width: 36px; height: 36px; cursor: pointer; z-index: 10;
}

/* ==============================================
   RESPONSIVE — Tablet (≤ 900px)
   ============================================== */
@media (max-width: 900px) {

  /* --- Nav: hamburger menu --- */
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    min-width: 44px;
    padding: 0 6px;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 67px; /* nav inner (64px) + gradient stripe (3px) */
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--card);
    padding: 6px 0 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px -8px rgba(23, 43, 99, 0.14);
  }
  .nav-links li { display: block; width: 100%; }
  /* All nav links: full-width, 44px tap targets */
  .nav-links a {
    display: flex;
    align-items: center;
    padding: 10px 24px;
    font-size: 0.97rem;
    min-height: 44px;
  }
  /* CTA: inset button style inside dropdown */
  .nav-links.open .nav-cta {
    margin: 8px 20px 4px;
    min-height: 44px;
    justify-content: center;
    border-radius: 8px;
  }
  .nav-links.open { display: flex; }

  /* --- Grids → 2-col --- */
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid    { grid-template-columns: repeat(2, 1fr); row-gap: 28px; padding-top: 14px; }
  .stack-grid      { grid-template-columns: repeat(2, 1fr); }

  /* --- Architecture: diagram stacks above text --- */
  .pattern-panel.active {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  /* SVG diagrams: allow horizontal scroll so text stays readable at original size */
  .pattern-panel .diagram {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .pattern-panel .diagram svg {
    min-width: 420px;
    width: 100%;
    height: auto;
    display: block;
  }

  /* --- About: stack cols, tighten gap --- */
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ==============================================
   RESPONSIVE — Mobile (≤ 600px)
   ============================================== */
@media (max-width: 600px) {
  :root { font-size: 15px; }

  .container   { padding: 0 20px; }
  section      { padding: 52px 0; }

  /* --- Typography --- */
  h2           { font-size: 1.65rem; }
  .section-sub { font-size: 0.93rem; margin-bottom: 28px; }

  /* --- Hero --- */
  .hero        { padding: 68px 0 52px; }
  .hero h1     { font-size: clamp(1.8rem, 8vw, 2.5rem); margin-bottom: 14px; }
  .hero p.lead { font-size: 1rem; margin-bottom: 24px; }
  /* CTAs: stack vertically, full-width buttons */
  .hero-ctas   { flex-direction: column; gap: 12px; }
  .hero-ctas .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 48px;
    width: 100%;
  }
  .hero-badges { gap: 7px; margin-top: 24px; }
  .badge       { font-size: 0.72rem; padding: 5px 10px; }

  /* --- Service cards → 1-col --- */
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .card { padding: 22px; }

  /* --- Booking → 1-col --- */
  .pricing-grid        { grid-template-columns: 1fr; }
  .price-card          { padding: 26px 20px; }
  /* Extra top padding so absolute "Most Popular" tag doesn't get clipped */
  .price-card.featured { padding-top: 40px; }
  .price-card .price   { font-size: 2rem; }
  /* Buttons are flex children of column-flex price-card, so they stretch full width */
  .price-card .btn     { min-height: 48px; }

  /* --- Map --- */
  #map { height: 300px; }
  .map-controls {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 14px;
  }
  .map-btn {
    min-height: 42px;
    padding: 8px 10px;
    font-size: 0.82rem;
    text-align: center;
  }
  .map-caption { font-size: 0.78rem; }

  /* --- Architecture tabs → 2×2 grid --- */
  .pattern-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .pattern-tab {
    text-align: center;
    min-height: 44px;
    padding: 10px 8px;
    font-size: 0.82rem;
    border-radius: 10px;
  }
  .pattern-panel.active { gap: 20px; }
  .pattern-panel h3     { font-size: 1.15rem; }

  /* --- Stack → 1-col --- */
  .stack-grid { grid-template-columns: 1fr; }
  .stack-item { padding: 18px; }

  /* --- About / certs --- */
  .cert              { padding: 14px 16px; gap: 12px; }
  .cert .cert-name   { font-size: 0.88rem; }
  .cert .cert-issuer { font-size: 0.74rem; }

  /* --- Footer --- */
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
  footer        { padding: 28px 0; }

  /* --- Modal --- */
  .modal-overlay { padding: 12px; }
  .modal         { height: min(600px, 90vh); }
}

/* ==============================================
   RESPONSIVE — Small phones (≤ 400px)
   ============================================== */
@media (max-width: 400px) {
  .container { padding: 0 16px; }

  .hero    { padding: 56px 0 44px; }
  .hero h1 { font-size: 1.75rem; }

  h2 { font-size: 1.45rem; }

  .badge { font-size: 0.68rem; padding: 4px 8px; }

  .pattern-tab { font-size: 0.76rem; padding: 8px 6px; }

  /* Single-column map controls on very small screens */
  .map-controls { grid-template-columns: 1fr; }
}