/* ============================================================
   Toni Sian — Systems Consultant
   Design tokens + shared components
   ============================================================ */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f7f8fb;
  --color-ink: #14181f;
  --color-ink-soft: #4a5160;
  --color-ink-faint: #8890a0;
  --color-border: #e6e8ee;
  --color-blue: #3457e0;
  --color-blue-dark: #2540b0;
  --color-blue-tint: #eef1fd;
  --color-navy: #0c1220;
  --color-navy-soft: #182035;
  --color-green: #1b8a5a;
  --color-green-tint: #e9f7ef;
  --color-red: #d1483f;
  --color-red-tint: #fdefee;
  --color-yellow-tint: #fdf6e3;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6.5rem;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-card: 0 1px 2px rgba(20, 24, 31, 0.04), 0 8px 24px rgba(20, 24, 31, 0.06);
  --shadow-card-hover: 0 4px 10px rgba(20, 24, 31, 0.06), 0 16px 36px rgba(20, 24, 31, 0.10);

  --content-width: 1160px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 var(--space-3); font-weight: 700; }
h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 var(--space-4); color: var(--color-ink-soft); }

.wrap {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

section { padding: var(--space-8) 0; }
section.tight { padding: var(--space-6) 0; }

.section-head { max-width: 640px; margin: 0 0 var(--space-6); }
.section-head h2 { margin-bottom: var(--space-2); }
.section-head p { margin: 0; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--color-blue);
  color: #fff;
}
.btn-primary:hover { background: var(--color-blue-dark); box-shadow: var(--shadow-card-hover); }
.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.35);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); }
.btn-outline {
  background: #fff;
  color: var(--color-ink);
  border-color: var(--color-border);
}
.btn-outline:hover { border-color: var(--color-blue); color: var(--color-blue); }

/* ---------- Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--color-ink-soft);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--color-ink); text-decoration: none; }
.nav-cta { display: flex; align-items: center; gap: var(--space-4); }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle svg { width: 20px; height: 20px; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .site-nav.open .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-5);
  }
  .nav-cta .btn-outline { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  background: radial-gradient(circle at 15% 20%, #1c2540 0%, var(--color-navy) 55%), var(--color-navy);
  color: #fff;
  padding: var(--space-9) 0 var(--space-8);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(100deg, rgba(120,150,255,0.10) 0px, rgba(120,150,255,0.10) 1px, transparent 1px, transparent 42px);
  mask-image: radial-gradient(ellipse at top right, black, transparent 70%);
  pointer-events: none;
}
.hero .wrap { position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-8);
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #cfd7ff;
  margin-bottom: var(--space-5);
}
.hero h1 { color: #fff; margin-bottom: var(--space-5); }
.hero-lede { color: #c4cade; font-size: 1.1rem; max-width: 46ch; }
.hero-checklist { list-style: none; margin: var(--space-5) 0; padding: 0; display: grid; gap: var(--space-3); }
.hero-checklist li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  color: #dfe3f2;
  font-size: 0.98rem;
}
.hero-checklist li::before {
  content: "";
  flex: none;
  width: 20px; height: 20px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--color-green) center/12px no-repeat;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
}
.hero-closing { color: #c4cade; }
.hero-actions { display: flex; gap: var(--space-4); margin-top: var(--space-6); flex-wrap: wrap; }
.hero-visual { display: flex; justify-content: center; }
.hero-visual img { max-width: 320px; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.4)); }

.logo-strip {
  margin-top: var(--space-8);
  padding-top: var(--space-7);
  border-top: 1px solid rgba(255,255,255,0.12);
}
.logo-strip p { color: #8b93b3; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-4); }
.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
  gap: var(--space-4);
  max-width: 480px;
}
.logo-grid img { width: 44px; height: 44px; object-fit: contain; border-radius: 10px; background: rgba(255,255,255,0.06); padding: 8px; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .hero-visual img { max-width: 220px; }
}

/* ---------- Client showcase ---------- */
.client-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.client-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.client-card.linked:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.client-logo { height: 40px; display: flex; align-items: center; }
.client-logo img { max-height: 40px; max-width: 140px; object-fit: contain; }
.client-card h3 { font-size: 1rem; margin: 0; }
.client-card h3 a { color: var(--color-ink); }
.client-card p { font-size: 0.88rem; margin: 0; }
.tag-row { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: auto; padding-top: var(--space-2); }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  color: var(--color-ink-soft);
}
.tag img { width: 14px; height: 14px; object-fit: contain; }

@media (max-width: 980px) { .client-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .client-grid { grid-template-columns: 1fr; } }

/* ---------- Testimonials ---------- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.testimonial-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.t-head { display: flex; align-items: center; gap: var(--space-3); }
.t-avatar { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; flex: none; }
.t-name { font-weight: 700; font-size: 0.98rem; }
.t-role { font-size: 0.82rem; color: var(--color-ink-faint); }
.t-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.t-tag {
  background: var(--color-yellow-tint);
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: #8a6d1f;
}
.t-quote { font-size: 0.92rem; color: var(--color-ink-soft); font-style: italic; }
.t-quote::before { content: open-quote; }
.t-quote::after { content: close-quote; }
.t-video { border-radius: var(--radius-sm); overflow: hidden; background: #000; }
.t-links { display: flex; flex-wrap: wrap; gap: var(--space-3); font-size: 0.82rem; margin-top: auto; }

@media (max-width: 980px) { .testimonial-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .testimonial-grid { grid-template-columns: 1fr; } }

/* ---------- Problem / solution ---------- */
.split-cards { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.split-card { border-radius: var(--radius-lg); padding: var(--space-6); }
.split-card.bad { background: var(--color-red-tint); }
.split-card.good { background: var(--color-green-tint); }
.split-card h2 { font-size: 1.4rem; }
.split-card.bad h2 { color: var(--color-red); }
.split-card.good h2 { color: var(--color-green); }
.split-card ul { margin: 0; padding-left: 1.1rem; color: var(--color-ink-soft); display: grid; gap: var(--space-3); }
.stat-banner {
  margin-top: var(--space-6);
  background: var(--color-blue-tint);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-blue-dark);
}
.stat-banner a { color: inherit; text-decoration: underline; }

@media (max-width: 760px) { .split-cards { grid-template-columns: 1fr; } }

/* ---------- Packages ---------- */
.package-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); max-width: 880px; margin: 0 auto; }
.package-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.package-card.highlight { border-color: var(--color-blue); background: var(--color-blue-tint); }
.package-card ul { margin: 0; padding-left: 1.1rem; color: var(--color-ink-soft); display: grid; gap: var(--space-2); }
.package-price { font-weight: 700; color: var(--color-ink); margin-top: auto; }
.package-price span { display: block; font-weight: 400; font-size: 0.82rem; color: var(--color-ink-faint); }
details.expander { border-top: 1px solid var(--color-border); padding-top: var(--space-3); }
details.expander summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-blue);
  list-style: none;
}
details.expander summary::-webkit-details-marker { display: none; }
details.expander summary::before { content: "+ "; }
details.expander[open] summary::before { content: "\2212 "; }
details.expander > *:not(summary) { margin-top: var(--space-3); }

@media (max-width: 760px) { .package-grid { grid-template-columns: 1fr; } }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-8); align-items: start; }
.about-photos { display: grid; gap: var(--space-4); }
.about-photos img { border-radius: var(--radius-md); }
.credential-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); margin-top: var(--space-6); }
.credential {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-ink-soft);
}
.credential svg { flex: none; width: 20px; height: 20px; color: var(--color-blue); }

@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; } .credential-grid { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: var(--space-3); max-width: 760px; }
details.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-4) var(--space-5);
}
details.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after { content: "+"; font-size: 1.2rem; color: var(--color-ink-faint); }
details.faq-item[open] summary::after { content: "\2212"; }
details.faq-item .faq-body { margin-top: var(--space-3); color: var(--color-ink-soft); font-size: 0.95rem; }
details.faq-item .faq-body ul, details.faq-item .faq-body ol { padding-left: 1.2rem; }
details.faq-item .faq-body li { margin-bottom: var(--space-2); }

/* ---------- Booking ---------- */
.booking-panel {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  min-height: 640px;
}
.booking-fallback {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  font-size: 0.9rem;
  margin-bottom: var(--space-5);
}

/* ---------- Highlighted projects ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.project-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.project-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.project-thumb { aspect-ratio: 16/10; overflow: hidden; background: var(--color-bg-alt); }
.project-thumb img { width: 100%; height: 100%; object-fit: cover; }
.project-body { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-3); flex: 1; }
.project-body h3 { margin: 0; }
.project-body p { font-size: 0.9rem; margin: 0; }
.project-meta { display: grid; gap: var(--space-2); font-size: 0.82rem; color: var(--color-ink-faint); margin-top: auto; }
.project-meta strong { color: var(--color-ink-soft); font-weight: 600; }

@media (max-width: 980px) { .project-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .project-grid { grid-template-columns: 1fr; } }

/* ---------- Resource list ---------- */
.resource-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--space-5); max-width: 760px; }
.resource-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.resource-card h3 { margin: 0; font-size: 1rem; }
.resource-card .btn { margin-top: var(--space-3); align-self: flex-start; }

/* ---------- Generic page hero (non-home pages) ---------- */
.page-hero {
  background: var(--color-navy);
  color: #fff;
  padding: var(--space-8) 0 var(--space-7);
}
.page-hero h1 { color: #fff; margin-bottom: var(--space-3); }
.page-hero p { color: #c4cade; max-width: 56ch; font-size: 1.05rem; margin: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-navy);
  color: #9aa2bd;
  padding: var(--space-7) 0 var(--space-6);
  font-size: 0.88rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand { display: flex; align-items: center; gap: var(--space-2); color: #fff; font-weight: 700; margin-bottom: var(--space-3); }
.footer-brand img { width: 28px; height: 28px; border-radius: 6px; }
.footer-col h4 { color: #fff; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-3); }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.footer-col a { color: #9aa2bd; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-5);
  flex-wrap: wrap;
  gap: var(--space-3);
}

@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Utility ---------- */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}
.embed-frame { width: 100%; aspect-ratio: 16/9; border: 0; border-radius: var(--radius-md); }