/* ═══════════════════════════════════════════════
   DevOpsBridge Advisory — styles.css
   Dark navy • Cyan accent • Premium B2B
   ═══════════════════════════════════════════════ */

/* ── Custom Properties ── */
:root {
  --bg:           #07091a;
  --bg-surface:   #0c1120;
  --bg-card:      #111827;
  --bg-card-hover:#131f35;

  --border:       rgba(56, 189, 248, 0.10);
  --border-strong:rgba(56, 189, 248, 0.26);

  --accent:       #38bdf8;
  --accent-dim:   rgba(56, 189, 248, 0.10);
  --accent-glow:  rgba(56, 189, 248, 0.18);

  --text:         #f0f6ff;
  --text-muted:   #94a3b8;
  --text-subtle:  #8394a8;

  --font:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --mono:  'Cascadia Code', 'Fira Code', 'JetBrains Mono', monospace;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 22px;

  --shadow-card: 0 4px 28px rgba(0, 0, 0, 0.45), 0 1px 4px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 28px rgba(56, 189, 248, 0.14);

  --ease: 200ms ease;
  --ease-slow: 420ms ease;

  --nav-h: 70px;
  --max-w: 1160px;
  --pad-x: 1.5rem;
}

/* ── Skip link (accessibility) ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.6rem 1.2rem;
  background: var(--accent);
  color: #06080f;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--r-md);
  text-decoration: none;
  transition: top var(--ease);
  white-space: nowrap;
}
.skip-link:focus { top: 0.75rem; outline: 3px solid #06080f; outline-offset: 2px; }

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ── Typography ── */
h1, h2, h3 {
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--text);
}
h1 { font-size: clamp(2rem, 5.2vw, 3.4rem); }
h2 { font-size: clamp(1.65rem, 3.6vw, 2.4rem); }
h3 { font-size: clamp(1rem, 2vw, 1.2rem); font-weight: 600; }
p  { color: var(--text-muted); line-height: 1.75; }

/* ── Layout helpers ── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.section { padding-block: 6rem; }
.section-alt { background: var(--bg-surface); }

.section-intro { max-width: 660px; margin-bottom: 3.5rem; }
.section-intro.centered { text-align: center; margin-inline: auto; }
.section-intro h2 { margin-bottom: 1rem; }

.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1.35rem;
  min-height: 44px;
  border-radius: var(--r-md);
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--ease);
}
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.btn-primary {
  background: var(--accent);
  color: #06080f;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: #7dd3fc;
  border-color: #7dd3fc;
  box-shadow: 0 0 22px rgba(56, 189, 248, 0.3);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
  transform: translateY(-1px);
}
.btn-lg { padding: 0.82rem 1.7rem; font-size: 0.94rem; }

/* ═══ HEADER ═══ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(7, 9, 26, 0.82);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--border);
  transition: background var(--ease-slow), box-shadow var(--ease-slow);
}
.site-header.scrolled {
  background: rgba(7, 9, 26, 0.96);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.nav {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}
.logo-icon { flex-shrink: 0; }
.logo-text { font-size: 0.93rem; font-weight: 700; }
.logo-accent { color: var(--accent); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}
.nav-link {
  padding: 0.5rem 0.75rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--r-sm);
  transition: color var(--ease), background var(--ease);
}
.nav-link:hover, .nav-link.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}
.nav-link.active { color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  cursor: pointer;
  margin-left: auto;
  flex-shrink: 0;
}
.bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--ease), opacity var(--ease);
}
.nav-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══ HERO ═══ */
.hero {
  position: relative;
  display: flex;
  align-items: flex-start;
  overflow: hidden;
  padding-block: 5rem 6rem;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 85% 85% at 50% 40%, black 20%, transparent 100%);
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: min(700px, 90%);
  height: 450px;
  background: radial-gradient(ellipse, rgba(56, 189, 248, 0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-bridge {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(1000px, 100%);
  opacity: 0.4;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
}
.eyebrow::before {
  content: '';
  display: block;
  width: 2rem;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  flex-shrink: 0;
}

.hero h1 { margin-bottom: 1.4rem; }
.br-lg { display: none; }

.hero-body {
  font-size: 1.08rem;
  max-width: 600px;
  margin-bottom: 1.4rem;
}

.founder-line {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.88rem;
  font-style: italic;
  color: var(--text-muted);
  margin-bottom: 2.2rem;
  max-width: 580px;
  line-height: 1.65;
}
.founder-line svg { flex-shrink: 0; margin-top: 2px; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ═══ PROBLEMS ═══ */
.problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}
.problem-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.problem-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  background: var(--accent-dim);
  color: var(--accent);
  margin-bottom: 1rem;
}
.problem-card h3 { font-size: 0.97rem; margin-bottom: 0.4rem; }
.problem-card p  { font-size: 0.86rem; line-height: 1.65; }

/* ═══ SERVICES ═══ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color var(--ease-slow), transform var(--ease-slow), box-shadow var(--ease-slow);
}
.service-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.service-card--featured {
  background:
    linear-gradient(150deg, #0d1a30 0%, #091428 100%) padding-box,
    linear-gradient(135deg, rgba(56, 189, 248, 0.55), rgba(129, 140, 248, 0.3) 50%, rgba(56, 189, 248, 0.2)) border-box;
  border-color: transparent;
}

.svc-badge {
  position: absolute;
  top: 1.4rem;
  right: 1.4rem;
  background: var(--accent);
  color: #06080f;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
}

.svc-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.svc-num {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
}
.svc-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--r-md);
  background: var(--accent-dim);
  color: var(--accent);
}

.service-card h3 { font-size: 1.15rem; }
.svc-desc { font-size: 0.9rem; line-height: 1.72; flex: 1; }

.deliverables {
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1rem;
}
.dlv-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-subtle);
  margin-bottom: 0.65rem;
}
.deliverables ul {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.deliverables li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.84rem;
  color: var(--text-muted);
}
.deliverables li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.65;
  flex-shrink: 0;
}

.svc-link {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--accent);
  transition: opacity var(--ease);
  margin-top: auto;
}
.svc-link:hover { opacity: 0.75; text-decoration: underline; }

/* ═══ WHO IT HELPS ═══ */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.audience-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.35rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--text);
  transition: all var(--ease);
}
.audience-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}
.aud-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  background: var(--accent-dim);
  color: var(--accent);
  flex-shrink: 0;
}

/* ═══ APPROACH ═══ */
.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  position: relative;
}

/* Horizontal connecting line behind step numbers */
.steps::before {
  content: '';
  position: absolute;
  top: 3.5rem; /* vertically aligns with center of step-num circles */
  left: calc(10% + 1px);
  right: calc(10% + 1px);
  height: 2px;
  background: linear-gradient(
    to right,
    transparent,
    var(--border-strong) 10%,
    var(--border-strong) 90%,
    transparent
  );
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1rem;
  position: relative;
}

.step-num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 2px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
  transition: all var(--ease);
}
.step:hover .step-num {
  background: var(--accent);
  color: #06080f;
  border-color: var(--accent);
  box-shadow: 0 0 22px rgba(56, 189, 248, 0.3);
}

.step-body h3 { font-size: 0.97rem; margin-bottom: 0.4rem; }
.step-body p  { font-size: 0.83rem; color: var(--text-muted); line-height: 1.62; }

/* ═══ ABOUT ═══ */
.about-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3rem;
  align-items: start;
  max-width: 820px;
}
.about-avatar { padding-top: 0.5rem; flex-shrink: 0; }

.about-content .section-label { display: block; margin-bottom: 0.5rem; }
.about-content h2 { margin-bottom: 1.25rem; }
.about-content p  { margin-bottom: 1rem; font-size: 1rem; }
.about-content p:last-of-type { margin-bottom: 0; }

.about-location {
  display: flex !important;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.88rem !important;
  font-style: normal !important;
  color: var(--text-muted) !important;
  padding: 0.75rem 1rem;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-md);
  margin-top: 0.5rem;
  line-height: 1.55;
}
.about-location svg { flex-shrink: 0; margin-top: 2px; color: var(--accent); }

.about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* ═══ ENQUIRY / CONTACT ═══ */
.enquiry-inner {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 4rem;
  align-items: start;
}

.enquiry-intro .section-label { display: block; margin-bottom: 0.5rem; }
.enquiry-intro h2 { margin-bottom: 1rem; }
.enquiry-intro > p { font-size: 1rem; margin-bottom: 1.5rem; }

.enquiry-hints {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-bottom: 1.75rem;
}
.enquiry-hints li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}
.enquiry-hints li svg { flex-shrink: 0; color: var(--accent); margin-top: 2px; }

.enquiry-alt {
  font-size: 0.85rem;
  color: var(--text-subtle);
  margin-bottom: 0 !important;
}
.enquiry-alt a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(56, 189, 248, 0.35);
  text-underline-offset: 3px;
  transition: color var(--ease), text-decoration-color var(--ease);
}
.enquiry-alt a:hover {
  color: #7dd3fc;
  text-decoration-color: rgba(125, 211, 252, 0.6);
}

.enquiry-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 2rem;
  overflow: hidden;
  /* keep Tally transparent bg blending with our card bg */
}
.enquiry-form iframe {
  display: block;
  border: none;
  min-height: 420px;
}

/* ═══ FOOTER ═══ */
.footer {
  background: #04060f;
  border-top: 1px solid var(--border);
  padding-block: 4rem 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.85rem;
}
.footer-tagline {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 1.1rem;
}
.footer-note {
  font-size: 0.78rem;
  font-style: italic;
  color: var(--text-subtle);
  border-left: 2px solid var(--border-strong);
  padding-left: 0.75rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-col-heading {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-subtle);
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--ease);
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: var(--text-subtle);
}

/* ═══ SCROLL REVEAL ═══ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ═══ RESPONSIVE ═══ */

/* Large desktop */
@media (min-width: 960px) {
  .br-lg { display: inline; }
}

/* Tablet */
@media (max-width: 1024px) {
  .problems-grid  { grid-template-columns: repeat(2, 1fr); }
  .services-grid  { grid-template-columns: repeat(2, 1fr); }
  .audience-grid  { grid-template-columns: repeat(2, 1fr); }
  .enquiry-inner  { grid-template-columns: 1fr; gap: 2.5rem; }

  /* Approach: stack vertically on tablet */
  .steps {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .steps::before { display: none; }
  .step {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
    gap: 1.4rem;
    padding: 1.4rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    margin-bottom: 0.75rem;
  }
  .step-num { flex-shrink: 0; margin-bottom: 0; }
}

/* Mobile */
@media (max-width: 768px) {
  :root { --pad-x: 1rem; }

  .section { padding-block: 4rem; }

  /* Nav */
  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(6, 8, 22, 0.98);
    backdrop-filter: blur(22px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem;
    gap: 1rem;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--ease-slow), transform var(--ease-slow);
    z-index: 99;
  }
  .nav-menu.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav-links {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 0;
  }
  .nav-link {
    padding: 0.85rem 1rem;
    font-size: 1rem;
    border-radius: var(--r-md);
    min-height: 48px;
  }
  .nav-cta { justify-content: center; width: 100%; min-height: 48px; font-size: 0.95rem; }

  /* Hero */
  .hero {
    padding-block: 3rem 4rem;
  }
  .hero h1 br { display: none; }
  .hero-bridge { opacity: 0.15; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; width: 100%; min-height: 52px; font-size: 0.95rem; }

  /* Grids */
  .problems-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }

  /* About */
  .about-inner { grid-template-columns: 1fr; }
  .about-avatar { display: none; }

  /* Enquiry form */
  .enquiry-form { padding: 1.25rem; }
}

@media (max-width: 520px) {
  .problems-grid { grid-template-columns: 1fr; }
}