/* ============================================================
   CYTECH SOLUTIONS — BASE STYLES
   ============================================================ */

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img, video, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ── BASE ── */
body {
  font-family: 'Source Sans 3', 'Segoe UI', system-ui, sans-serif;
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--text-primary);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4, h5, h6 {
  font-family: 'DM Sans', 'Segoe UI', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p { max-width: 72ch; }
p + p { margin-top: var(--space-4); }

strong { font-weight: 600; }
em { font-style: italic; }

/* ── LINKS ── */
a.link {
  color: var(--color-teal);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition-fast);
}
a.link:hover { text-decoration-color: var(--color-teal); }

/* ── CONTAINERS ── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow {
  max-width: 860px;
}

/* ── SECTION PADDING ── */
.section {
  padding-block: var(--section-pad);
}
.section--sm {
  padding-block: clamp(var(--space-8), 4vw, var(--space-16));
}

/* ── BACKGROUND VARIANTS ── */
.bg-page     { background-color: var(--bg-page); }
.bg-surface  { background-color: var(--bg-surface); }
.bg-white    { background-color: var(--bg-surface-alt); }
.bg-navy     { background-color: var(--color-navy); }
.bg-dark     { background-color: var(--bg-dark); }

/* ── GRID ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-5); }

@media (max-width: 1024px) {
  .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
}

/* ── FLEX UTILITIES ── */
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.flex-col    { display: flex; flex-direction: column; }
.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: 0.01em;
}
.btn-primary,
.btn--primary {
  background-color: var(--color-teal);
  color: #ffffff !important;
  border-color: var(--color-teal);
}
.btn-primary:hover,
.btn--primary:hover {
  background-color: var(--color-teal-hover);
  border-color: var(--color-teal-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-teal);
}
.btn-outline,
.btn--outline {
  background-color: transparent;
  color: var(--color-teal);
  border-color: var(--color-teal);
}
.btn-outline:hover,
.btn--outline:hover {
  background-color: var(--color-teal);
  color: #ffffff;
}
.btn-outline-teal {
  background-color: transparent;
  color: var(--color-teal);
  border-color: var(--color-teal);
}
.btn-outline-teal:hover {
  background-color: var(--color-teal);
  color: #ffffff;
}
.btn-lg,
.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}
.btn-sm,
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

/* ── BADGE ── */
.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 2px;
}
.badge-teal {
  background-color: rgba(10,124,140,0.12);
  color: var(--color-teal);
}
.badge-navy {
  background-color: rgba(13,31,60,0.08);
  color: var(--color-navy);
}
.badge-teal-on-dark {
  background-color: rgba(10,124,140,0.25);
  color: #5ecfdb;
}

/* ── CARD ── */
.card {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-teal);
}
.card--dark {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
}
.card--dark:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(10,124,140,0.5);
}

/* ── TEAL ACCENT LINE ── */
.accent-line {
  width: 40px;
  height: 3px;
  background: var(--color-teal);
  margin-block: var(--space-4);
  border-radius: 2px;
}
.accent-line--center { margin-inline: auto; }

/* ── SECTION LABEL ── */
.section-label {
  display: block;
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: var(--space-4);
}

/* ── BLOCKQUOTE / CALLOUT ── */
.blockquote {
  border-left: 4px solid var(--color-teal);
  padding: var(--space-5) var(--space-6);
  background: var(--bg-surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-navy);
  margin-block: var(--space-8);
}

/* ── TABLE ── */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  background: var(--color-navy);
  color: #fff;
  padding: var(--space-3) var(--space-4);
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-sm);
  font-weight: 600;
  text-align: left;
}
.data-table td {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--border);
}
.data-table tr:nth-child(even) td { background: var(--bg-surface); }

/* ── FORM STYLES ── */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-label {
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}
.form-input, .form-select, .form-textarea {
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--text-primary);
  background: var(--bg-surface-alt);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(10,124,140,0.12);
}
.form-textarea { resize: vertical; min-height: 120px; }

/* ── DIVIDER ── */
.divider {
  height: 1px;
  background: var(--border);
  border: none;
  margin-block: var(--space-8);
}
.divider--teal {
  height: 2px;
  background: linear-gradient(90deg, var(--color-teal), transparent);
}

/* ── TEXT UTILITIES ── */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-muted  { color: var(--text-secondary); }
.text-teal   { color: var(--color-teal); }
.text-navy   { color: var(--color-navy); }
.text-white  { color: #ffffff; }
.text-sm     { font-size: var(--text-sm); }
.text-xs     { font-size: var(--text-xs); }
.text-lg     { font-size: var(--text-lg); }

/* ── ICON WRAPPER ── */
.icon-circle {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(10,124,140,0.1);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.icon-circle svg { width: 22px; height: 22px; stroke: var(--color-teal); }
.icon-circle--dark {
  background: rgba(10,124,140,0.2);
}
.icon-circle--dark svg { stroke: #5ecfdb; }

/* ── STAT BOX ── */
.stat-box { text-align: center; }
.stat-number {
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-teal);
  line-height: 1;
  display: block;
}
.stat-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-2);
  display: block;
}

/* ── NUMBERED LIST ── */
.numbered-list { counter-reset: list; display: flex; flex-direction: column; gap: var(--space-5); }
.numbered-list li {
  display: flex; gap: var(--space-4); align-items: flex-start;
  counter-increment: list;
}
.numbered-list li::before {
  content: counter(list, decimal-leading-zero);
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-teal);
  background: rgba(10,124,140,0.1);
  min-width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

/* ── CHECK LIST ── */
.check-list { display: flex; flex-direction: column; gap: var(--space-3); }
.check-list li {
  display: flex; gap: var(--space-3); align-items: flex-start;
  font-size: var(--text-sm); color: var(--text-secondary);
}
.check-list li::before {
  content: '';
  width: 18px; height: 18px;
  background: var(--color-teal);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2.5 6L5 8.5 9.5 3.5' stroke='white' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
}
.check-list--light li { color: rgba(255,255,255,0.8); }
.check-list--light li::before { background-color: rgba(10,124,140,0.7); }

/* ── TRUST BADGES ── */
.trust-badge {
  display: flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255,255,255,0.75);
  border: 1px solid rgba(60,138,138,0.18);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: 0.04em;
  backdrop-filter: blur(4px);
}
.trust-badge svg { width: 16px; height: 16px; stroke: #3C8A8A; }

/* ── SCROLL ANIMATION ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }

/* ── MOBILE UTILS ── */
.hide-mobile { display: block; }
@media (max-width: 768px) {
  .hide-mobile { display: none; }
  .show-mobile { display: block; }
}

/* ── SKIP LINK (a11y) ── */
.skip-link {
  position: absolute; top: -40px; left: 0;
  background: var(--color-teal); color: #fff;
  padding: var(--space-2) var(--space-4);
  z-index: 9999;
  font-size: var(--text-sm);
}
.skip-link:focus { top: 0; }