/* ============================================================
   BRK Global Solutions — sections.css
   Hero · About · Services · Why · Expertise · Industries
   Approach · CTA band · Contact
   ============================================================ */

/* ============ HERO ============ */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--ivory);
  padding-top: clamp(8rem, 16vh, 10.5rem);
  padding-bottom: 0;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg { position: absolute; inset: 0; z-index: -1; }

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 25%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 25%, transparent 75%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
}

.hero-glow-a {
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.32), transparent 65%);
  top: -220px;
  right: -120px;
  animation: glow-drift 14s ease-in-out infinite alternate;
}

.hero-glow-b {
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(42, 84, 144, 0.55), transparent 65%);
  bottom: -200px;
  left: -140px;
  animation: glow-drift 18s ease-in-out infinite alternate-reverse;
}

@keyframes glow-drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(50px, 30px) scale(1.12); }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: clamp(4rem, 8vw, 6rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin-bottom: 1.5rem;
}

.eyebrow-rule { width: 2.6rem; height: 1.5px; background: var(--gold); flex-shrink: 0; }

.hero-title {
  font-size: clamp(2.5rem, 5.4vw, 4.3rem);
  line-height: 1.08;
  color: var(--ivory);
  letter-spacing: -0.015em;
  margin-bottom: 1.5rem;
  text-wrap: balance;
}

.hero-title em { color: var(--gold-soft); }

.hero-sub {
  font-size: clamp(1.02rem, 1.3vw, 1.15rem);
  color: rgba(250, 249, 246, 0.72);
  max-width: 54ch;
  margin-bottom: 2.2rem;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, auto);
  justify-content: start;
  gap: clamp(1.5rem, 3vw, 3rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--line-dark-2);
}

.hero-stats dd {
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: rgba(250, 249, 246, 0.55);
  margin-top: 0.3rem;
}

/* Hero visual — orbit */
.hero-visual { position: relative; display: grid; place-items: center; }

.orbit { width: min(100%, 460px); aspect-ratio: 1; }

.orbit svg { width: 100%; height: 100%; overflow: visible; }

.orbit-ring {
  fill: none;
  stroke: rgba(255, 255, 255, 0.1);
  stroke-width: 1;
  stroke-dasharray: 3 6;
  animation: ring-spin 60s linear infinite;
  transform-origin: 240px 240px;
}

@keyframes ring-spin { to { transform: rotate(360deg); } }

.orbit-node circle { fill: var(--gold-bright); }
.orbit-node .pulse { fill: none; stroke: rgba(212, 175, 55, 0.5); animation: node-pulse 3s var(--d) ease-out infinite; }

@keyframes node-pulse {
  0% { transform: scale(0.5); opacity: 1; }
  70%, 100% { transform: scale(2.2); opacity: 0; }
}

.orbit-node, .orbit-node .pulse { transform-box: fill-box; transform-origin: center; }

.orbit-word { fill: var(--ivory); font-family: var(--font-display); font-weight: 600; letter-spacing: 0.42em; font-size: 17px; }
.orbit-word-sm { fill: var(--gold-soft); font-family: var(--font-body); font-weight: 700; letter-spacing: 0.3em; font-size: 9px; }

.orbit-caption {
  position: absolute;
  bottom: -0.4rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(250, 249, 246, 0.62);
  white-space: nowrap;
}

.hero-card {
  position: absolute;
  background: rgba(14, 29, 51, 0.82);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 0.85rem 1.15rem;
  display: grid;
  gap: 0.15rem;
  box-shadow: var(--shadow-lg);
  animation: card-float 7s ease-in-out infinite;
}

.hero-card-a { top: 9%; right: -2%; }
.hero-card-b { bottom: 12%; left: -4%; animation-delay: 1.2s; }

@keyframes card-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-card-kicker {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-soft);
}

.hero-card-value { font-size: 0.86rem; font-weight: 600; color: var(--ivory); }

/* Hero marquee */
.hero-marquee {
  border-top: 1px solid var(--line-dark-2);
  border-bottom: 1px solid var(--line-dark-2);
  padding-block: 0.9rem;
  overflow: hidden;
  position: relative;
}

.hero-marquee::before, .hero-marquee::after {
  content: "";
  position: absolute;
  inset-block: 0;
  width: 120px;
  z-index: 1;
  pointer-events: none;
}

.hero-marquee::before { left: 0; background: linear-gradient(90deg, var(--ink), transparent); }
.hero-marquee::after { right: 0; background: linear-gradient(-90deg, var(--ink), transparent); }

.marquee-track {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  width: max-content;
  animation: marquee 30s linear infinite;
}

.marquee-track span {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(250, 249, 246, 0.62);
  white-space: nowrap;
}

.marquee-track i { color: var(--gold); font-style: normal; font-size: 0.55rem; }

@keyframes marquee { to { transform: translateX(-50%); } }

/* ============ ABOUT ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: start;
}

.about-copy > p { margin-bottom: 1.4rem; }

.about-list { display: grid; gap: 1.15rem; margin-block: 2rem 2.2rem; }

.about-list li {
  padding-left: 2.9rem;
  position: relative;
  color: var(--slate);
}

.about-list li::before {
  content: counter(list-item, decimal-leading-zero);
  counter-increment: list-item;
  position: absolute;
  left: 0;
  top: 0.18em;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold-deep);
}

.about-list strong { color: var(--ink); display: block; margin-bottom: 0.15rem; }

.about-panel {
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.6rem 1.2rem;
  color: var(--ivory);
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 6.5rem;
  transform: rotate(-0.6deg);
  transition: transform var(--t-med) var(--ease);
}

.about-panel:hover { transform: rotate(0deg) translateY(-4px); }

.about-panel-head {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--line-dark-2);
}

.about-panel-head .dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, 0.14); }
.about-panel-head .dot-gold { background: var(--gold-bright); }
.about-panel-head em { font-style: normal; font-size: 0.72rem; letter-spacing: 0.12em; color: rgba(250, 249, 246, 0.6); margin-left: auto; }

.principle-stack { display: grid; }

.principle-stack li {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-block: 1.05rem;
  border-bottom: 1px solid var(--line-dark-2);
  font-size: 0.98rem;
  font-weight: 500;
  transition: padding-left var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.principle-stack li:hover { padding-left: 8px; color: var(--gold-soft); }

.principle-no { font-family: var(--font-display); font-size: 0.8rem; color: var(--gold-bright); flex-shrink: 0; }

.about-panel-foot {
  display: flex;
  justify-content: space-between;
  padding-top: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(250, 249, 246, 0.6);
}

/* ============ SERVICES ============ */
.services-tabs {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.service-tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.3rem;
  padding: 0.85rem 1rem;
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--radius) var(--radius) 0 0;
  cursor: pointer;
  text-align: left;
  position: relative;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.service-tab:hover { background: var(--paper); transform: translateY(-3px); }

.service-tab .tab-no {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--gold-deep);
  font-weight: 600;
}

.service-tab .tab-label {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.25;
}

.service-tab::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: -1px;
  height: 2px;
  background: var(--gold);
  opacity: 0;
  transition: opacity var(--t-fast) var(--ease);
}

.service-tab.is-active {
  background: var(--ink);
  border-color: var(--ink);
}

.service-tab.is-active .tab-label { color: var(--ivory); }
.service-tab.is-active .tab-no { color: var(--gold-bright); }
.service-tab.is-active::after { opacity: 1; }

.service-panels {
  border: 1px solid var(--line);
  border-top-color: var(--ink);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background: var(--white);
  padding: clamp(1.8rem, 4vw, 3.2rem);
  box-shadow: var(--shadow-md);
}

.service-panel { display: none; max-width: 780px; }
.service-panel.is-active { display: block; animation: panel-in 0.45s var(--ease); }

@keyframes panel-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.service-icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(150deg, rgba(201, 162, 39, 0.14), rgba(201, 162, 39, 0.05));
  border: 1px solid rgba(201, 162, 39, 0.3);
  color: var(--gold-deep);
  margin-bottom: 1.3rem;
}

.service-icon svg { width: 30px; height: 30px; }

.service-name { font-size: clamp(1.5rem, 2.4vw, 1.9rem); margin-bottom: 0.8rem; }

.service-desc { margin-bottom: 1.5rem; font-size: 1.02rem; }

.service-points { display: grid; gap: 0.65rem; margin-bottom: 1.6rem; }

.service-points li {
  padding-left: 1.6rem;
  position: relative;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.97rem;
}

.service-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--gold);
  transform: rotate(45deg);
}

.service-meta { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }

.chip {
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.32rem 0.8rem;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink-soft);
}

.service-value {
  font-size: 0.97rem;
  padding: 0.9rem 1.2rem;
  background: linear-gradient(90deg, rgba(201, 162, 39, 0.09), transparent 80%);
  border-left: 3px solid var(--gold);
  border-radius: 0 10px 10px 0;
  margin-bottom: 1.5rem;
  color: var(--ink-soft);
}

.service-value strong { color: var(--ink); }

/* ============ WHY US ============ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.why-card {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem 1.8rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease),
    border-color var(--t-med) var(--ease);
}

.why-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}

.why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(201, 162, 39, 0.4);
}

.why-card:hover::before { transform: scaleX(1); }

.why-no {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: rgba(10, 22, 40, 0.52);
  line-height: 1;
  display: block;
  margin-bottom: 0.9rem;
  transition: color var(--t-med) var(--ease);
}

.why-card:hover .why-no { color: var(--gold-deep); }

.why-card h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }

.why-card p { font-size: 0.95rem; }

/* ============ EXPERTISE ============ */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}

.exp-group {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.6rem;
  transition: border-color var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease);
}

.exp-group:hover { border-color: rgba(201, 162, 39, 0.45); box-shadow: var(--shadow-md); }

.exp-title {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.1rem;
}

.exp-list { display: grid; gap: 1.05rem; }

.exp-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.meter { display: inline-flex; gap: 4px; flex-shrink: 0; }

.meter i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line);
}

.meter i.on {
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
}

/* ============ INDUSTRIES ============ */
.ind-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}

.ind-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.9rem 1.6rem;
  transition: transform var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease),
    background var(--t-med) var(--ease);
}

.ind-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  background: var(--ink);
  border-color: var(--ink);
}

.ind-card svg { width: 30px; height: 30px; color: var(--gold-deep); margin-bottom: 1.1rem; transition: color var(--t-med) var(--ease); }

.ind-card:hover svg { color: var(--gold-bright); }

.ind-card h3 { font-size: 1.12rem; margin-bottom: 0.5rem; transition: color var(--t-med) var(--ease); }

.ind-card p { font-size: 0.9rem; transition: color var(--t-med) var(--ease); }

.ind-card:hover h3 { color: var(--ivory); }
.ind-card:hover p { color: rgba(250, 249, 246, 0.65); }

/* ============ APPROACH ============ */
.approach-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
  counter-reset: step;
  position: relative;
}

.approach-track::before {
  content: "";
  position: absolute;
  top: 27px;
  left: 2%;
  right: 2%;
  height: 1.5px;
  background: repeating-linear-gradient(90deg, var(--gold) 0 8px, transparent 8px 16px);
  opacity: 0.45;
}

.step { position: relative; padding-top: 0; }

.step-no {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--white);
  border: 1.5px solid var(--gold);
  color: var(--gold-deep);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  position: relative;
  z-index: 1;
  margin-bottom: 1.3rem;
  box-shadow: 0 0 0 8px var(--white);
  transition: background var(--t-med) var(--ease), color var(--t-med) var(--ease), transform var(--t-med) var(--ease);
}

.step:hover .step-no {
  background: var(--ink);
  color: var(--gold-bright);
  border-color: var(--ink);
  transform: scale(1.08);
}

.step h3 { font-size: 1.3rem; margin-bottom: 0.55rem; }

.step p { font-size: 0.94rem; }

/* ============ CTA BAND ============ */
.cta-band {
  background: var(--ink);
  position: relative;
  overflow: hidden;
  padding-block: clamp(3.5rem, 7vw, 5.5rem);
}

.cta-band::before {
  content: "";
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.16), transparent 60%);
  top: -350px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  flex-wrap: wrap;
  position: relative;
}

.cta-title { color: var(--ivory); font-size: clamp(2rem, 4vw, 3rem); }

.cta-sub { color: rgba(250, 249, 246, 0.66); margin-top: 0.7rem; font-size: 1.05rem; }

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

/* ============ CONTACT ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact-info { display: grid; gap: 1.1rem; }

.info-card {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.5rem;
  transition: border-color var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease);
}

.info-card:hover { border-color: rgba(201, 162, 39, 0.45); box-shadow: var(--shadow-md); }

.info-ico {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--gold-bright);
}

.info-ico svg { width: 22px; height: 22px; }

.info-card h3 { font-family: var(--font-body); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold-deep); margin-bottom: 0.35rem; }

.info-card p { color: var(--ink-soft); font-weight: 600; font-size: 1rem; }

.info-card a:hover { color: var(--gold-deep); }

.info-note { font-size: 0.85rem !important; font-weight: 400 !important; color: var(--slate) !important; margin-top: 0.15rem; }

.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.8rem, 3.5vw, 2.6rem);
  box-shadow: var(--shadow-md);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }

.field { margin-bottom: 1.2rem; }

.field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin-bottom: 0.45rem;
}

.field input, .field select, .field textarea {
  width: 100%;
  background: var(--ivory);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
  color: var(--ink);
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.field textarea { resize: vertical; min-height: 120px; }

.field input::placeholder, .field textarea::placeholder { color: var(--slate-light); }

.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.15);
}

.field input.is-invalid, .field select.is-invalid, .field textarea.is-invalid {
  border-color: #c0392b;
  box-shadow: 0 0 0 4px rgba(192, 57, 43, 0.1);
}

.form-foot {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-top: 0.4rem;
}

.form-status { font-size: 0.9rem; font-weight: 600; }
.form-status.is-ok { color: #1e7a4f; }
.form-status.is-err { color: #c0392b; }