/* =====================================================
   TERRALTAMX — Industrial Engineering Design System
   Zero neon. Maximum structure. Industrial authority.
   ===================================================== */

/* ═══════════════════════════════════════════════════
   TOKENS
══════════════════════════════════════════════════════ */
:root {
  /* Brand — Dark Navy */
  --c-900: #071527;
  --c-800: #1f2c3c;
  --c-700: #384352;
  --c-600: #515b67;
  --c-500: #6a727d;
  --c-400: #838a93;
  --c-300: #9ba1a8;
  --c-200: #b4b8be;
  --c-100: #cdd0d3;
  --c-050: #e6e7e9;
  --c-000: #ffffff;

  /* Structural accents — no neon */
  --civil:     #a08040;   /* muted amber — civil engineering */
  --sys:       #3a6e8a;   /* steel blue — systems */
  --wa-green:  #25D366;

  /* Borders */
  --border:      1px solid rgba(255,255,255,0.08);
  --border-hard: 1px solid rgba(255,255,255,0.16);

  /* Typography */
  --f-head: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --f-body: 'Barlow', 'Segoe UI', sans-serif;

  /* Layout */
  --max-w: 1180px;
  --sp-section: 7rem 0;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ═══════════════════════════════════════════════════
   RESET
══════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html   { scroll-behavior: smooth; font-size: 16px; }
body   { font-family: var(--f-body); background: var(--c-900); color: var(--c-000); line-height: 1.6; overflow-x: hidden; }
img    { display: block; max-width: 100%; }
a      { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

::-webkit-scrollbar       { width: 5px; }
::-webkit-scrollbar-track { background: var(--c-900); }
::-webkit-scrollbar-thumb { background: var(--c-700); }

/* ═══════════════════════════════════════════════════
   LAYOUT
══════════════════════════════════════════════════════ */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ═══════════════════════════════════════════════════
   SECTION HEADER SYSTEM
══════════════════════════════════════════════════════ */
.sec-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--f-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-400);
  margin-bottom: 1.1rem;
}

.label-bar {
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--civil);
  flex-shrink: 0;
}

.sec-head {
  margin-bottom: 3.5rem;
}

.sec-title {
  font-family: var(--f-head);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: 0.02em;
  color: var(--c-000);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.sec-sub {
  font-size: 1rem;
  color: var(--c-400);
  max-width: 560px;
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════
   NAVIGATION
══════════════════════════════════════════════════════ */
.nav-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}

.nav-bar.scrolled {
  background: rgba(7, 21, 39, 0.97);
  border-bottom-color: rgba(255,255,255,0.07);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 3rem;
}

/* Logo */
.nav-logo { display: flex; align-items: center; }

.logo-block {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 2px;
}

.logo-main {
  font-family: var(--f-head);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--c-000);
  text-transform: uppercase;
}

.logo-accent { color: var(--civil); }

.logo-sub {
  font-family: var(--f-head);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  color: var(--c-500);
  text-transform: uppercase;
}

/* Nav links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
}

.nav-menu a {
  font-family: var(--f-head);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-300);
  transition: color 0.2s;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--civil);
  transition: width 0.25s var(--ease);
}

.nav-menu a:hover { color: var(--c-000); }
.nav-menu a:hover::after { width: 100%; }
.nav-menu a.active { color: var(--c-000); }
.nav-menu a.active::after { width: 100%; }

/* CTA button */
.nav-cta-btn {
  font-family: var(--f-head);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.55rem 1.4rem;
  border: 1px solid var(--civil);
  color: var(--civil);
  transition: all 0.25s var(--ease);
  flex-shrink: 0;
}

.nav-cta-btn:hover {
  background: var(--civil);
  color: var(--c-900);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-000);
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 7rem 2rem 5rem;
  overflow: hidden;
}

.hero-img {
  position: absolute;
  inset: 0;
  background-image: url('img/hero_bg.png');
  background-size: cover;
  background-position: center 40%;
  will-change: transform;
}

.hero-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(7,21,39,0.97) 0%,
    rgba(7,21,39,0.88) 45%,
    rgba(7,21,39,0.65) 100%
  );
}

/* Blueprint grid — subtle, structural */
.hero-blueprint {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(160,128,64,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(160,128,64,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

.hero-body {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.hero-tag {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--f-head);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--c-500);
  margin-bottom: 1.75rem;
}

.tag-line {
  flex: 0 0 32px;
  height: 1px;
  background: var(--civil);
}

.hero-h1 {
  font-family: var(--f-head);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--c-000);
  margin-bottom: 1.75rem;
  max-width: 860px;
}

.h1-accent {
  color: var(--civil);
  font-style: italic;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--c-300);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  font-weight: 300;
}

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

.btn-solid {
  font-family: var(--f-head);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.8rem 2rem;
  background: var(--civil);
  color: var(--c-900);
  transition: all 0.25s var(--ease);
}

.btn-solid:hover {
  background: #b89050;
  transform: translateY(-2px);
}

.btn-outline {
  font-family: var(--f-head);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.8rem 2rem;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--c-200);
  transition: all 0.25s var(--ease);
}

.btn-outline:hover {
  border-color: var(--c-000);
  color: var(--c-000);
  transform: translateY(-2px);
}

/* Hero metrics — bottom bar */
.hero-metrics {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 5rem auto 0;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.09);
  padding-top: 2.5rem;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  flex: 1;
}

.metric-num {
  font-family: var(--f-head);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--c-000);
  line-height: 1;
}

.metric-lbl {
  font-family: var(--f-head);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-500);
  font-weight: 600;
}

.metric-sep {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  margin: 0 2rem;
}

/* ═══════════════════════════════════════════════════
   STRIP (marquee)
══════════════════════════════════════════════════════ */
.strip {
  background: var(--civil);
  overflow: hidden;
  padding: 0.75rem 0;
  border-top: 1px solid rgba(0,0,0,0.2);
  border-bottom: 1px solid rgba(0,0,0,0.2);
}

.strip-track {
  display: flex;
  align-items: center;
  gap: 2rem;
  white-space: nowrap;
  animation: marquee 28s linear infinite;
  width: max-content;
}

.strip-track span {
  font-family: var(--f-head);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-900);
}

.strip-dot {
  font-size: 0.45rem !important;
  opacity: 0.6;
}

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ═══════════════════════════════════════════════════
   SERVICES
══════════════════════════════════════════════════════ */
.services {
  padding: var(--sp-section);
  background: var(--c-900);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(160,128,64,0.25), transparent);
}

/* ── Discipline block ── */
.discipline { margin-bottom: 4.5rem; }
.discipline:last-child { margin-bottom: 0; }

.discipline-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  background: var(--c-800);
  border-left: 3px solid var(--civil);
  margin-bottom: 1.5rem;
}

.systems-header { border-left-color: var(--sys); }

.disc-code {
  font-family: var(--f-head);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--civil);
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.5;
}

.sys-code { color: var(--sys); }

.disc-info h3 {
  font-family: var(--f-head);
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--c-000);
  text-transform: uppercase;
}

.disc-info p {
  font-size: 0.85rem;
  color: var(--c-500);
  margin-top: 0.2rem;
}

/* Discipline WhatsApp button */
.disc-wa {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--f-head);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--wa-green);
  border: 1px solid rgba(37,211,102,0.3);
  padding: 0.6rem 1.1rem;
  transition: all 0.25s var(--ease);
  flex-shrink: 0;
  white-space: nowrap;
}

.disc-wa svg { width: 18px; height: 18px; flex-shrink: 0; }

.disc-wa:hover {
  background: rgba(37,211,102,0.08);
  border-color: var(--wa-green);
}

/* ── Service grid ── */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
}

/* ── Service card ── */
.svc-card {
  background: var(--c-900);
  padding: 2rem 1.75rem;
  position: relative;
  transition: background 0.2s var(--ease);
  overflow: hidden;
}

.svc-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 2px;
  background: var(--civil);
  transition: width 0.35s var(--ease);
}

.svc-card:hover::before { width: 100%; }
.svc-card:hover { background: var(--c-800); }

.svc-num {
  font-family: var(--f-head);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--civil);
  opacity: 0.7;
  margin-bottom: 1.1rem;
}

.sys-num { color: var(--sys); }

.svc-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-400);
  margin-bottom: 1rem;
  transition: color 0.2s;
}

.svc-icon svg { width: 24px; height: 24px; }
.svc-card:hover .svc-icon { color: var(--civil); }

.sys-icon { color: var(--c-400); }
.svc-card:hover .sys-icon { color: var(--sys); }

.svc-card h4 {
  font-family: var(--f-head);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--c-000);
  margin-bottom: 0.65rem;
}

.svc-card p {
  font-size: 0.88rem;
  color: var(--c-500);
  line-height: 1.7;
}

/* Featured card */
.svc-card--featured {
  background: rgba(160,128,64,0.06);
  border-left: 2px solid var(--civil);
}

.svc-card--featured::before { background: var(--civil); }
.svc-card--featured:hover { background: rgba(160,128,64,0.1); }

.svc-card--featured-sys {
  background: rgba(58,110,138,0.06);
  border-left: 2px solid var(--sys);
}

.svc-card--featured-sys::before { background: var(--sys); }
.svc-card--featured-sys:hover { background: rgba(58,110,138,0.1); }

.svc-featured-tag {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--f-head);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--civil);
  border: 1px solid rgba(160,128,64,0.4);
  padding: 0.25rem 0.65rem;
}

.sys-tag { color: var(--sys); border-color: rgba(58,110,138,0.4); }

/* Discipline divider */
.disc-divider {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin: 3.5rem 0;
}

.div-line {
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.07);
}

.div-text {
  font-family: var(--f-head);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--c-600);
  white-space: nowrap;
}

/* ═══════════════════════════════════════════════════
   SPECIALISTS
══════════════════════════════════════════════════════ */
.specialists {
  padding: var(--sp-section);
  background: var(--c-800);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.spec-card {
  background: var(--c-900);
  border: 1px solid rgba(255,255,255,0.07);
  padding: 2.5rem;
  position: relative;
  transition: border-color 0.25s var(--ease);
}

.spec-card:hover { border-color: rgba(255,255,255,0.15); }

/* Index number — large corner decoration */
.spec-index {
  position: absolute;
  top: 2rem; right: 2rem;
  font-family: var(--f-head);
  font-size: 5rem;
  font-weight: 900;
  color: rgba(255,255,255,0.03);
  line-height: 1;
  pointer-events: none;
  letter-spacing: 0.05em;
}

.civil-index { color: rgba(160,128,64,0.07); }
.sys-index   { color: rgba(58,110,138,0.07); }

.spec-top {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

.spec-avatar {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  background: var(--c-700);
  border: 1px solid rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}

.spec-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-head);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--c-400);
  opacity: 0;
}

img.broken + .avatar-fallback { opacity: 1; }

.civil-avatar { border-color: rgba(160,128,64,0.3); }
.sys-avatar   { border-color: rgba(58,110,138,0.3); }

.spec-discipline {
  font-family: var(--f-head);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  margin-bottom: 0.5rem;
  display: inline-block;
}

.civil-disc {
  background: rgba(160,128,64,0.12);
  color: var(--civil);
  border: 1px solid rgba(160,128,64,0.25);
}

.sys-disc {
  background: rgba(58,110,138,0.12);
  color: var(--sys);
  border: 1px solid rgba(58,110,138,0.25);
}

.spec-name {
  font-family: var(--f-head);
  font-size: 1.65rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-000);
  margin-bottom: 0.2rem;
}

.spec-specialty {
  font-size: 0.82rem;
  color: var(--c-500);
}

.spec-body {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 1.5rem;
  margin-bottom: 1.75rem;
}

.spec-desc {
  font-size: 0.9rem;
  color: var(--c-400);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.spec-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.spec-tags span {
  font-family: var(--f-head);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.28rem 0.65rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
  color: var(--c-400);
}

.sys-tags span {
  border-color: rgba(58,110,138,0.15);
}

/* Specialist WA button */
.spec-wa {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border: 1px solid rgba(37,211,102,0.2);
  background: rgba(37,211,102,0.04);
  color: var(--wa-green) !important;
  transition: all 0.25s var(--ease);
  width: 100%;
}

.spec-wa:hover {
  background: rgba(37,211,102,0.1);
  border-color: rgba(37,211,102,0.5);
}

.wa-ico { width: 24px; height: 24px; flex-shrink: 0; }

.wa-info {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  flex: 1;
}

.wa-name {
  font-family: var(--f-head);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-000);
}

.wa-tel {
  font-size: 0.82rem;
  color: var(--wa-green);
}

.wa-arrow {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--c-600);
  transition: transform 0.2s, color 0.2s;
}

.spec-wa:hover .wa-arrow {
  transform: translateX(4px);
  color: var(--wa-green);
}

/* ═══════════════════════════════════════════════════
   PILLARS
══════════════════════════════════════════════════════ */
.pillars {
  padding: 5rem 0;
  background: var(--c-900);
  border-top: 1px solid rgba(255,255,255,0.05);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid rgba(255,255,255,0.06);
}

.pillar {
  padding: 2.5rem 2rem;
  border-right: 1px solid rgba(255,255,255,0.06);
  position: relative;
  transition: background 0.2s var(--ease);
}

.pillar:last-child { border-right: none; }
.pillar:hover { background: var(--c-800); }

.pillar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--civil);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.pillar:hover::before { transform: scaleX(1); }

.pillar-num {
  font-family: var(--f-head);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--civil);
  opacity: 0.8;
  margin-bottom: 1.25rem;
}

.pillar h4 {
  font-family: var(--f-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-000);
  margin-bottom: 0.75rem;
}

.pillar p {
  font-size: 0.85rem;
  color: var(--c-500);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════
   CONTACT
══════════════════════════════════════════════════════ */
.contact {
  padding: var(--sp-section);
  background: var(--c-800);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.contact-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
}

.contact-body {
  font-size: 0.95rem;
  color: var(--c-500);
  line-height: 1.8;
  margin-top: 1rem;
}

.contact-right {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Contact cards */
.contact-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--c-900);
  border: 1px solid rgba(255,255,255,0.07);
  border-left: 3px solid var(--civil);
  transition: all 0.25s var(--ease);
  position: relative;
}

.contact-card:nth-child(2) { border-left-color: var(--sys); }

.contact-card:hover {
  border-color: rgba(255,255,255,0.14);
  border-left-color: var(--civil);
  background: rgba(160,128,64,0.04);
  transform: translateX(4px);
}

.contact-card:nth-child(2):hover {
  border-left-color: var(--sys);
  background: rgba(58,110,138,0.04);
}

.cc-marker {
  font-family: var(--f-head);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--civil);
  flex-shrink: 0;
  writing-mode: vertical-rl;
  text-transform: uppercase;
  opacity: 0.6;
}

.sys-marker { color: var(--sys); }

.cc-avatar {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-head);
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--c-900);
  background: var(--civil);
  flex-shrink: 0;
}

.sys-cc-avatar { background: var(--sys); }

.cc-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex: 1;
}

.cc-info strong {
  font-family: var(--f-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-000);
}

.cc-info span {
  font-size: 0.82rem;
  color: var(--c-500);
}

.cc-tel {
  color: var(--wa-green) !important;
  font-weight: 600;
}

.cc-wa-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--f-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--wa-green);
  flex-shrink: 0;
}

.cc-wa-badge svg { width: 20px; height: 20px; }

/* ═══════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════ */
.footer {
  background: #030911;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 3.5rem 0 1.5rem;
}

.footer-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--c-600);
  line-height: 1.7;
  margin-top: 1rem;
}

.footer-logo { margin-bottom: 0.5rem; }

.footer-nav,
.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-nav-title {
  font-family: var(--f-head);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-500);
  margin-bottom: 0.5rem;
}

.footer-nav a {
  font-size: 0.88rem;
  color: var(--c-600);
  transition: color 0.2s;
  font-family: var(--f-head);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

.footer-nav a:hover { color: var(--c-000); }

.f-wa {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--c-600) !important;
  transition: color 0.2s;
}

.f-wa:hover { color: var(--wa-green) !important; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-bottom span {
  font-size: 0.78rem;
  color: var(--c-600);
}

.footer-tagline {
  font-family: var(--f-head);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.68rem !important;
  color: var(--c-700) !important;
}

/* ═══════════════════════════════════════════════════
   REVEAL ANIMATION (subtle, structural)
══════════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

.reveal.in { opacity: 1; transform: translateY(0); }

/* ═══════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════ */
@media (max-width: 960px) {
  .spec-grid    { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .pillars-grid { grid-template-columns: 1fr 1fr; }
  .pillar:nth-child(2) { border-right: none; }
  .footer-row   { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .nav-menu, .nav-cta-btn { display: none; }

  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: var(--c-900);
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    z-index: 99;
  }

  .nav-menu.open a { font-size: 1.5rem; }
  .hamburger { display: flex; z-index: 101; }

  .discipline-header { flex-wrap: wrap; gap: 1rem; }
  .disc-wa { margin-left: 0; width: 100%; justify-content: center; }

  :root { --sp-section: 5rem 0; }

  .hero-metrics { flex-wrap: wrap; gap: 2rem; }
  .metric-sep   { display: none; }
}

@media (max-width: 560px) {
  .pillars-grid { grid-template-columns: 1fr; }
  .pillar       { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .pillar:last-child { border-bottom: none; }
  .footer-row   { grid-template-columns: 1fr; }
  .svc-grid     { grid-template-columns: 1fr; }
}