/* ============================================================
   PHALANX OPERATIONS CONSULTING GROUP
   styles.css — Visual Design System
   phalanxops.us
   ============================================================ */

/* ────────────────────────────────────────────────────────────
   01 · DESIGN TOKENS
──────────────────────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --clr-bg:          #0B0D10;
  --clr-surface:     #1B1E23;
  --clr-elevated:    #2A3138;
  --clr-overlay:     #343A40;

  /* Text */
  --clr-text:        #F3F4F6;
  --clr-text-2:      #9CA3AF;
  --clr-text-3:      #6B7280;
  --clr-text-4:      #4B5563;

  /* Accent — Tactical Bronze */
  --clr-bronze:      #8B6B3F;
  --clr-bronze-lt:   #B08A58;
  --clr-bronze-dim:  rgba(139,107,63,0.16);
  --clr-bronze-rule: rgba(139,107,63,0.22);

  /* Borders */
  --clr-border:      rgba(139,107,63,0.20);
  --clr-border-str:  rgba(139,107,63,0.38);
  --clr-border-sub:  rgba(243,244,246,0.06);

  /* Status */
  --clr-attention:   #C8963A;
  --clr-positive:    #4A7C59;

  /* Fonts */
  --ff-display: 'Barlow Condensed', sans-serif;
  --ff-serif:   'Cormorant Garamond', serif;
  --ff-body:    'Barlow', sans-serif;

  /* Type weights */
  --fw-thin:   200;
  --fw-light:  300;
  --fw-reg:    400;
  --fw-semi:   600;
  --fw-bold:   700;
  --fw-black:  800;

  /* Letter spacing */
  --ls-tight:   0.02em;
  --ls-display: 0.04em;
  --ls-wide:    0.1em;
  --ls-wider:   0.22em;
  --ls-widest:  0.4em;

  /* Spacing */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  20px;
  --sp-6:  24px;
  --sp-8:  32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;
  --sp-20: 80px;
  --sp-24: 96px;
  --sp-28: 112px;

  /* Layout */
  --max-w:    1200px;
  --gutter:   48px;
  --section-py: 112px;

  /* Motion */
  --ease-out:  cubic-bezier(0.22, 1, 0.36, 1);
  --ease-std:  cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast:  150ms;
  --dur-base:  250ms;
  --dur-slow:  400ms;
  --dur-reveal: 750ms;
}

/* ────────────────────────────────────────────────────────────
   02 · RESET & BASE
──────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--ff-body);
  font-weight: var(--fw-light);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: inherit;
}

ul, ol {
  list-style: none;
}

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font: inherit;
  color: inherit;
}

/* ────────────────────────────────────────────────────────────
   03 · SKIP LINK
──────────────────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--sp-4);
  z-index: 9999;
  font-family: var(--ff-display);
  font-size: 12px;
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  background: var(--clr-bronze);
  color: var(--clr-bg);
  padding: var(--sp-3) var(--sp-6);
}
.skip-link:focus {
  left: var(--sp-4);
}

/* ────────────────────────────────────────────────────────────
   04 · NOISE TEXTURE
──────────────────────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

/* ────────────────────────────────────────────────────────────
   05 · UTILITY CLASSES
──────────────────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  font-family: var(--ff-display);
  font-size: 10px;
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--clr-bronze);
  margin-bottom: var(--sp-3);
}
.eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--clr-bronze);
  flex-shrink: 0;
}

.section-rule {
  width: 48px;
  height: 2px;
  background: var(--clr-bronze);
  margin-bottom: var(--sp-7, 28px);
}

/* ────────────────────────────────────────────────────────────
   06 · SCROLL REVEAL
──────────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--dur-reveal) var(--ease-out),
    transform var(--dur-reveal) var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-d1 { transition-delay: 0.10s; }
.reveal-d2 { transition-delay: 0.20s; }
.reveal-d3 { transition-delay: 0.30s; }
.reveal-d4 { transition-delay: 0.40s; }
.reveal-d5 { transition-delay: 0.50s; }

/* ────────────────────────────────────────────────────────────
   07 · NAVIGATION
──────────────────────────────────────────────────────────── */
#nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: 68px;
  background: rgba(11, 13, 16, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--clr-border);
  transition: transform var(--dur-slow) var(--ease-std);
}

#nav.nav--hidden {
  transform: translateY(-100%);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
  gap: var(--sp-8);
}

.nav__brand {
  display: flex;
  flex-direction: column;
  line-height: 1;
  flex-shrink: 0;
}
.nav__brand-name {
  font-family: var(--ff-display);
  font-weight: var(--fw-black);
  font-size: 16px;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--clr-text);
}
.nav__brand-sub {
  font-family: var(--ff-display);
  font-size: 9px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--clr-text-4);
  margin-top: 3px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}
.nav__links a {
  font-family: var(--ff-display);
  font-size: 11px;
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--clr-text-3);
  transition: color var(--dur-base);
  white-space: nowrap;
}
.nav__links a:hover,
.nav__links a:focus-visible {
  color: var(--clr-text);
}

.nav__cta {
  font-family: var(--ff-display);
  font-size: 11px;
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--clr-bg);
  background: var(--clr-text);
  padding: 10px 22px;
  flex-shrink: 0;
  white-space: nowrap;
  transition: background var(--dur-base);
}
.nav__cta:hover,
.nav__cta:focus-visible {
  background: var(--clr-bronze-lt);
  color: var(--clr-bg);
}

/* Mobile toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--clr-text);
  transition: transform var(--dur-base), opacity var(--dur-base);
  transform-origin: center;
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile nav panel */
.nav__mobile {
  display: none;
  position: fixed;
  inset-block-start: 68px;
  inset-inline: 0;
  background: rgba(11, 13, 16, 0.98);
  border-bottom: 1px solid var(--clr-border);
  padding: var(--sp-6) var(--sp-6) var(--sp-8);
  z-index: 99;
  flex-direction: column;
  gap: var(--sp-1);
}
.nav__mobile.is-open {
  display: flex;
}
.nav__mobile a {
  font-family: var(--ff-display);
  font-size: 14px;
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--clr-text-3);
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--clr-border-sub);
  transition: color var(--dur-base);
}
.nav__mobile a:last-of-type {
  border-bottom: none;
}
.nav__mobile a:hover,
.nav__mobile a:focus-visible {
  color: var(--clr-text);
}
.nav__mobile-cta {
  margin-top: var(--sp-5);
  display: block;
  text-align: center;
  font-family: var(--ff-display);
  font-size: 12px;
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--clr-bg) !important;
  background: var(--clr-text);
  padding: 14px;
  transition: background var(--dur-base);
  border-bottom: none !important;
}
.nav__mobile-cta:hover {
  background: var(--clr-bronze-lt) !important;
  color: var(--clr-bg) !important;
}

/* ────────────────────────────────────────────────────────────
   08 · HERO
──────────────────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 68px;
  overflow: hidden;
}

/* Hex formation background — pure CSS */
.hero__geo {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__hex-grid {
  position: absolute;
  right: -40px;
  top: 0;
  bottom: 0;
  width: 46%;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-auto-rows: 64px;
  gap: 3px;
  opacity: 0.038;
}

.hero__hex {
  background: var(--clr-bronze);
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
}
.hero__hex:nth-child(3n+1) { opacity: 0.7; }
.hero__hex:nth-child(5n+2) { opacity: 0.4; }
.hero__hex:nth-child(7n+3) { opacity: 0.2; }

/* Operational grid overlay on right half */
.hero__grid-overlay {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 46%;
  opacity: 0.025;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 39px,
      var(--clr-bronze) 39px,
      var(--clr-bronze) 40px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 39px,
      var(--clr-bronze) 39px,
      var(--clr-bronze) 40px
    );
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block: 80px 100px;
}

.hero__pre {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  font-family: var(--ff-display);
  font-size: 10px;
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--clr-bronze);
  margin-bottom: var(--sp-8);
}
.hero__pre::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--clr-bronze);
  flex-shrink: 0;
}

.hero__h1 {
  font-family: var(--ff-display);
  font-weight: var(--fw-black);
  font-size: clamp(52px, 7.5vw, 90px);
  letter-spacing: var(--ls-display);
  text-transform: uppercase;
  color: var(--clr-text);
  line-height: 0.95;
  margin-bottom: var(--sp-8);
  max-width: 820px;
}
.hero__h1-accent {
  font-family: var(--ff-serif);
  font-style: italic;
  font-weight: var(--fw-light);
  color: var(--clr-bronze-lt);
  text-transform: none;
  font-size: 0.9em;
  letter-spacing: 0.02em;
  display: block;
}

.hero__sub {
  font-family: var(--ff-body);
  font-weight: var(--fw-light);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--clr-text-2);
  max-width: 560px;
  margin-bottom: var(--sp-12);
}

.hero__ctas {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: var(--sp-10);
  left: var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--ff-display);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--clr-text-4);
}
.hero__scroll-line {
  width: 36px;
  height: 1px;
  background: var(--clr-text-4);
  animation: scrollPulse 2.5s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.35; transform: scaleX(1); }
  50%       { opacity: 0.9;  transform: scaleX(0.55); }
}

/* ────────────────────────────────────────────────────────────
   09 · BUTTONS
──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--ff-display);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  transition: background var(--dur-base), color var(--dur-base), border-color var(--dur-base);
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  font-size: 12px;
  color: var(--clr-bg);
  background: var(--clr-text);
  padding: 16px 34px;
  border: 1px solid var(--clr-text);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--clr-bronze-lt);
  border-color: var(--clr-bronze-lt);
  color: var(--clr-bg);
}
.btn--primary .btn__arrow {
  transition: transform var(--dur-base);
}
.btn--primary:hover .btn__arrow {
  transform: translateX(4px);
}

.btn--ghost {
  font-size: 12px;
  color: var(--clr-text-3);
  background: transparent;
  padding: 15px 28px;
  border: 1px solid rgba(107, 114, 128, 0.32);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  color: var(--clr-text);
  border-color: rgba(243, 244, 246, 0.5);
}

/* Focus style for all interactive elements */
:focus-visible {
  outline: 2px solid var(--clr-bronze-lt);
  outline-offset: 3px;
}

/* ────────────────────────────────────────────────────────────
   10 · AUTHORITY STRIP
──────────────────────────────────────────────────────────── */
#authority {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}

.authority__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.authority__item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: 26px 20px;
  border-right: 1px solid var(--clr-border);
}
.authority__item:last-child {
  border-right: none;
}

.authority__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--clr-bronze);
  flex-shrink: 0;
  margin-top: 6px;
}

.authority__text {
  font-family: var(--ff-display);
  font-size: 11px;
  font-weight: var(--fw-semi);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text-3);
  line-height: 1.5;
}

/* ────────────────────────────────────────────────────────────
   11 · SECTION HEADERS (shared pattern)
──────────────────────────────────────────────────────────── */
.section-header {
  margin-bottom: var(--sp-16);
}

.section-title {
  font-family: var(--ff-display);
  font-weight: var(--fw-black);
  font-size: clamp(34px, 4vw, 52px);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--clr-text);
  line-height: 1.05;
}
.section-title .serif-word {
  font-family: var(--ff-serif);
  font-weight: var(--fw-light);
  font-style: italic;
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--clr-bronze-lt);
}

/* ────────────────────────────────────────────────────────────
   12 · ABOUT
──────────────────────────────────────────────────────────── */
#about {
  padding-block: var(--section-py);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 96px;
  align-items: start;
}

.about__title {
  font-family: var(--ff-display);
  font-weight: var(--fw-black);
  font-size: clamp(32px, 3.8vw, 50px);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--clr-text);
  line-height: 1.05;
  margin-bottom: var(--sp-10);
}
.about__title-accent {
  font-family: var(--ff-serif);
  font-weight: var(--fw-light);
  font-style: italic;
  text-transform: none;
  font-size: 0.9em;
  letter-spacing: 0.02em;
  color: var(--clr-bronze-lt);
  display: block;
}

.about__quote {
  border-left: 2px solid var(--clr-bronze);
  padding-left: var(--sp-7, 28px);
  margin-top: var(--sp-12);
}
.about__quote p {
  font-family: var(--ff-serif);
  font-weight: var(--fw-light);
  font-style: italic;
  font-size: 17px;
  line-height: 1.75;
  color: var(--clr-text-3);
}

.about__body {
  font-size: 16px;
  color: var(--clr-text-2);
  line-height: 1.85;
  margin-bottom: var(--sp-6);
}
.about__body strong {
  color: var(--clr-text);
  font-weight: var(--fw-reg);
}

.about__values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: var(--sp-10);
}

.about__value {
  background: var(--clr-surface);
  padding: 20px var(--sp-6);
  border-left: 2px solid transparent;
  transition: border-color var(--dur-slow);
}
.about__value:hover {
  border-left-color: var(--clr-bronze);
}

.about__value-name {
  font-family: var(--ff-display);
  font-size: 11px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--clr-bronze-lt);
  margin-bottom: var(--sp-1);
}
.about__value-desc {
  font-size: 13px;
  color: var(--clr-text-3);
  line-height: 1.6;
}

/* ────────────────────────────────────────────────────────────
   13 · MANTRA BREAK
──────────────────────────────────────────────────────────── */
.mantra-break {
  background: var(--clr-elevated);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding: 72px var(--gutter);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.mantra-break::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, var(--clr-bronze-dim) 0%, transparent 70%);
  pointer-events: none;
}
.mantra-break__text {
  position: relative;
  font-family: var(--ff-serif);
  font-weight: var(--fw-light);
  font-style: italic;
  font-size: clamp(20px, 3.2vw, 38px);
  letter-spacing: 0.04em;
  color: var(--clr-text);
  line-height: 1.4;
}
.mantra-break__text strong {
  color: var(--clr-bronze-lt);
  font-style: normal;
  font-weight: var(--fw-reg);
}

/* ────────────────────────────────────────────────────────────
   14 · SERVICES
──────────────────────────────────────────────────────────── */
#services {
  background: var(--clr-surface);
  padding-block: var(--section-py);
  position: relative;
}

.services__header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: end;
  margin-bottom: var(--sp-16);
}

.services__intro {
  font-size: 15px;
  color: var(--clr-text-3);
  line-height: 1.8;
  max-width: 440px;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.service-card {
  background: var(--clr-bg);
  padding: 44px 36px;
  position: relative;
  overflow: hidden;
  transition: background var(--dur-slow);
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--clr-bronze);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-reveal) var(--ease-out);
}
.service-card:hover::before,
.service-card:focus-within::before {
  transform: scaleX(1);
}
.service-card:hover {
  background: #0d1014;
}

.service-card__num {
  font-family: var(--ff-serif);
  font-size: 52px;
  font-weight: var(--fw-light);
  color: rgba(139, 107, 63, 0.1);
  line-height: 1;
  margin-bottom: var(--sp-5);
  transition: color var(--dur-slow);
  user-select: none;
}
.service-card:hover .service-card__num {
  color: rgba(139, 107, 63, 0.22);
}

.service-card__title {
  font-family: var(--ff-display);
  font-weight: var(--fw-bold);
  font-size: 14px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-text);
  margin-bottom: var(--sp-4);
  line-height: 1.3;
}

.service-card__desc {
  font-size: 13px;
  color: var(--clr-text-3);
  line-height: 1.85;
}

/* ────────────────────────────────────────────────────────────
   15 · METHOD
──────────────────────────────────────────────────────────── */
#method {
  padding-block: var(--section-py);
  position: relative;
  overflow: hidden;
}

/* Subtle grid texture behind method */
#method::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 79px,
      rgba(139, 107, 63, 0.035) 79px,
      rgba(139, 107, 63, 0.035) 80px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 79px,
      rgba(139, 107, 63, 0.035) 79px,
      rgba(139, 107, 63, 0.035) 80px
    );
  pointer-events: none;
}

.method__header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: end;
  margin-bottom: var(--sp-16);
  position: relative;
}

.method__intro {
  font-size: 15px;
  color: var(--clr-text-3);
  line-height: 1.8;
}

.method__framework {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--clr-border);
  position: relative;
}

.method__phase {
  padding: 40px 24px 36px;
  border-right: 1px solid var(--clr-border);
  transition: background var(--dur-base);
}
.method__phase:last-child {
  border-right: none;
}
.method__phase:hover {
  background: rgba(139, 107, 63, 0.04);
}

.method__phase-label {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--ff-display);
  font-size: 9px;
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--clr-bronze);
  margin-bottom: var(--sp-4);
}
.method__phase-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--clr-border);
}

.method__phase-title {
  font-family: var(--ff-display);
  font-weight: var(--fw-black);
  font-size: 21px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-text);
  margin-bottom: var(--sp-3);
  line-height: 1;
}

.method__phase-desc {
  font-size: 12.5px;
  color: var(--clr-text-3);
  line-height: 1.8;
}

.method__note {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-5);
  margin-top: var(--sp-10);
  padding: 26px var(--sp-8);
  background: var(--clr-surface);
  border-left: 2px solid var(--clr-bronze);
  position: relative;
}
.method__note-label {
  font-family: var(--ff-display);
  font-size: 9px;
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--clr-bronze);
  white-space: nowrap;
  padding-top: 3px;
  flex-shrink: 0;
}
.method__note-text {
  font-family: var(--ff-serif);
  font-size: 16px;
  font-weight: var(--fw-light);
  font-style: italic;
  color: var(--clr-text-2);
  line-height: 1.7;
}

/* ────────────────────────────────────────────────────────────
   16 · WHO WE SERVE
──────────────────────────────────────────────────────────── */
#serve {
  background: var(--clr-surface);
  padding-block: var(--section-py);
}

.serve__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.serve__qualifier {
  margin-top: var(--sp-10);
  padding: var(--sp-8) var(--sp-9, 36px);
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
}
.serve__qualifier p {
  font-family: var(--ff-serif);
  font-weight: var(--fw-light);
  font-style: italic;
  font-size: 17px;
  line-height: 1.75;
  color: var(--clr-text-3);
}
.serve__qualifier strong {
  color: var(--clr-text);
  font-style: normal;
  font-weight: var(--fw-reg);
}

.serve__clients {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.serve__client {
  display: grid;
  grid-template-columns: 52px 1fr;
  background: var(--clr-bg);
  transition: background var(--dur-base);
  overflow: hidden;
}
.serve__client:hover {
  background: #0d1014;
}

.serve__client-num {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-elevated);
  border-right: 1px solid var(--clr-border);
  font-family: var(--ff-serif);
  font-size: 18px;
  font-weight: var(--fw-light);
  color: var(--clr-bronze);
  flex-shrink: 0;
  transition: background var(--dur-base);
  user-select: none;
}
.serve__client:hover .serve__client-num {
  background: var(--clr-overlay);
}

.serve__client-content {
  padding: 20px var(--sp-6);
}
.serve__client-title {
  font-family: var(--ff-display);
  font-weight: var(--fw-bold);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-text);
  margin-bottom: var(--sp-1);
}
.serve__client-desc {
  font-size: 12px;
  color: var(--clr-text-3);
  line-height: 1.65;
}

/* ────────────────────────────────────────────────────────────
   17 · WHY PHALANX
──────────────────────────────────────────────────────────── */
#why {
  padding-block: var(--section-py);
}

.why__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: var(--sp-16);
}

.why-card {
  background: var(--clr-surface);
  padding: 44px var(--sp-10);
  position: relative;
  overflow: hidden;
}
.why-card:nth-child(n+5) {
  /* bottom row — no bottom border needed from grid */
}
.why-card__bg-num {
  position: absolute;
  top: 20px;
  right: var(--sp-8);
  font-family: var(--ff-serif);
  font-size: 72px;
  font-weight: var(--fw-light);
  color: rgba(139, 107, 63, 0.07);
  line-height: 1;
  user-select: none;
  pointer-events: none;
}

.why-card__title {
  font-family: var(--ff-display);
  font-weight: var(--fw-bold);
  font-size: 14px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-bronze-lt);
  margin-bottom: var(--sp-4);
}
.why-card__body {
  font-size: 14px;
  color: var(--clr-text-3);
  line-height: 1.85;
  max-width: 400px;
}
.why-card__body strong {
  color: var(--clr-text);
  font-weight: var(--fw-reg);
}

/* ────────────────────────────────────────────────────────────
   18 · CONTACT
──────────────────────────────────────────────────────────── */
#contact {
  background: var(--clr-surface);
  padding-block: var(--section-py);
  position: relative;
  overflow: hidden;
}
#contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, rgba(139,107,63,0.06) 0%, transparent 55%);
  pointer-events: none;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 96px;
  align-items: start;
  position: relative;
}

.contact__title {
  font-family: var(--ff-display);
  font-weight: var(--fw-black);
  font-size: clamp(34px, 4vw, 56px);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--clr-text);
  line-height: 1.0;
  margin-bottom: var(--sp-8);
}
.contact__title-accent {
  font-family: var(--ff-serif);
  font-weight: var(--fw-light);
  font-style: italic;
  text-transform: none;
  font-size: 0.9em;
  letter-spacing: 0.02em;
  color: var(--clr-bronze-lt);
  display: block;
}

.contact__body {
  font-size: 15px;
  color: var(--clr-text-2);
  line-height: 1.85;
  margin-bottom: var(--sp-6);
}
.contact__body strong {
  color: var(--clr-text);
  font-weight: var(--fw-reg);
}

.contact__direct {
  margin-top: var(--sp-10);
  padding-top: var(--sp-7, 28px);
  border-top: 1px solid var(--clr-border);
}
.contact__direct-label {
  font-family: var(--ff-display);
  font-size: 10px;
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--clr-text-4);
  margin-bottom: var(--sp-2);
  display: block;
}
.contact__direct-email {
  font-family: var(--ff-display);
  font-size: 15px;
  font-weight: var(--fw-semi);
  letter-spacing: 0.1em;
  color: var(--clr-text-3);
  transition: color var(--dur-base);
}
.contact__direct-email:hover,
.contact__direct-email:focus-visible {
  color: var(--clr-text);
}

/* Contact form panel */
.contact__panel {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  padding: var(--sp-12);
  position: relative;
}
/* Precision corner marks on panel */
.contact__panel::before,
.contact__panel::after {
  content: '';
  position: absolute;
  background: var(--clr-bronze);
}
.contact__panel::before {
  top: -1px; left: -1px;
  width: 18px; height: 1px;
}
.contact__panel::after {
  top: -1px; left: -1px;
  width: 1px; height: 18px;
}

.contact__panel-corner-br {
  position: absolute;
  bottom: -1px; right: -1px;
}
.contact__panel-corner-br::before,
.contact__panel-corner-br::after {
  content: '';
  position: absolute;
  background: var(--clr-bronze);
}
.contact__panel-corner-br::before {
  bottom: 0; right: 0;
  width: 18px; height: 1px;
}
.contact__panel-corner-br::after {
  bottom: 0; right: 0;
  width: 1px; height: 18px;
}

.form__label {
  display: block;
  font-family: var(--ff-display);
  font-size: 9px;
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--clr-bronze);
  margin-bottom: var(--sp-2);
}

.form__field {
  display: block;
  width: 100%;
  background: var(--clr-elevated);
  border: 1px solid rgba(107, 114, 128, 0.28);
  color: var(--clr-text);
  font-family: var(--ff-body);
  font-size: 14px;
  font-weight: var(--fw-light);
  padding: 13px 16px;
  margin-bottom: var(--sp-4);
  outline: none;
  border-radius: 0;
  transition: border-color var(--dur-base);
  -webkit-appearance: none;
  appearance: none;
}
.form__field:focus {
  border-color: var(--clr-bronze);
}
.form__field::placeholder {
  color: var(--clr-text-4);
}

.form__select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='square'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.form__select option {
  background: var(--clr-elevated);
  color: var(--clr-text);
}

.form__textarea {
  resize: vertical;
  min-height: 100px;
  margin-bottom: var(--sp-6);
}

.form__submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  background: var(--clr-text);
  color: var(--clr-bg);
  font-family: var(--ff-display);
  font-size: 12px;
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  padding: 18px;
  border: none;
  cursor: pointer;
  transition: background var(--dur-base), color var(--dur-base);
}
.form__submit:hover,
.form__submit:focus-visible {
  background: var(--clr-bronze-lt);
  color: var(--clr-bg);
}
.form__submit .btn__arrow {
  transition: transform var(--dur-base);
}
.form__submit:hover .btn__arrow {
  transform: translateX(4px);
}

.form__privacy {
  margin-top: var(--sp-4);
  font-size: 11px;
  color: var(--clr-text-4);
  line-height: 1.6;
}

/* Success state */
.form__success {
  display: none;
  text-align: center;
  padding: var(--sp-16) var(--sp-8);
}
.form__success.is-visible {
  display: block;
}
.form__success-title {
  font-family: var(--ff-display);
  font-weight: var(--fw-black);
  font-size: 22px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text);
  margin-bottom: var(--sp-4);
}
.form__success-text {
  font-size: 14px;
  color: var(--clr-text-3);
  line-height: 1.7;
}

/* ────────────────────────────────────────────────────────────
   19 · FOOTER
──────────────────────────────────────────────────────────── */
#footer {
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border);
  padding-block: var(--sp-16) var(--sp-10);
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--sp-16);
  padding-bottom: var(--sp-12);
  border-bottom: 1px solid var(--clr-border);
  margin-bottom: var(--sp-8);
}

.footer__brand-name {
  font-family: var(--ff-display);
  font-weight: var(--fw-black);
  font-size: 18px;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--clr-text);
  margin-bottom: var(--sp-2);
}
.footer__tagline {
  font-family: var(--ff-serif);
  font-size: 15px;
  font-style: italic;
  font-weight: var(--fw-light);
  color: var(--clr-bronze);
  margin-bottom: var(--sp-4);
}
.footer__domain {
  font-family: var(--ff-display);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clr-text-4);
}

.footer__col-label {
  font-family: var(--ff-display);
  font-size: 10px;
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--clr-bronze);
  margin-bottom: var(--sp-4);
  display: block;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.footer__links a {
  font-family: var(--ff-display);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-text-3);
  transition: color var(--dur-base);
  padding-block: 3px;
}
.footer__links a:hover,
.footer__links a:focus-visible {
  color: var(--clr-text);
}

.footer__contact-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: var(--sp-4);
}
.footer__contact-label {
  font-family: var(--ff-display);
  font-size: 9px;
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--clr-text-4);
}
.footer__contact-value {
  font-family: var(--ff-display);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--clr-text-3);
  transition: color var(--dur-base);
}
a.footer__contact-value:hover,
a.footer__contact-value:focus-visible {
  color: var(--clr-text);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-4);
}
.footer__copy {
  font-family: var(--ff-display);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-text-4);
}
.footer__legal {
  display: flex;
  gap: var(--sp-6);
}
.footer__legal a {
  font-family: var(--ff-display);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-text-4);
  transition: color var(--dur-base);
}
.footer__legal a:hover,
.footer__legal a:focus-visible {
  color: var(--clr-text-3);
}

/* ────────────────────────────────────────────────────────────
   20 · RESPONSIVE — TABLET (≤ 1024px)
──────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root {
    --section-py: 80px;
    --gutter: 36px;
  }

  .nav__links { gap: var(--sp-6); }

  .authority__grid {
    grid-template-columns: 1fr 1fr;
  }
  .authority__item:nth-child(2) { border-right: none; }
  .authority__item:nth-child(4) { border-right: none; }
  .authority__item:nth-child(5) {
    grid-column: 1 / -1;
    border-right: none;
    border-top: 1px solid var(--clr-border);
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--sp-12);
  }

  .services__header {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }
  .services__grid {
    grid-template-columns: 1fr 1fr;
  }

  .method__header {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }
  .method__framework {
    grid-template-columns: repeat(3, 1fr);
  }
  .method__phase:nth-child(3) { border-right: none; }
  .method__phase:nth-child(4) {
    border-top: 1px solid var(--clr-border);
    border-right: 1px solid var(--clr-border);
  }
  .method__phase:nth-child(5) {
    border-top: 1px solid var(--clr-border);
    border-right: none;
  }

  .serve__grid {
    grid-template-columns: 1fr;
    gap: var(--sp-12);
  }

  .why__grid {
    grid-template-columns: 1fr;
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--sp-12);
  }

  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-10);
  }
}

/* ────────────────────────────────────────────────────────────
   21 · RESPONSIVE — MOBILE (≤ 768px)
──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --section-py: 64px;
    --gutter: 24px;
  }

  .nav__links,
  .nav__cta {
    display: none;
  }
  .nav__toggle {
    display: flex;
  }

  .hero__hex-grid { display: none; }
  .hero__grid-overlay { display: none; }
  .hero__content { padding-block: 56px 80px; }
  .hero__scroll { left: var(--gutter); }

  .authority__grid {
    grid-template-columns: 1fr;
  }
  .authority__item {
    border-right: none;
    border-bottom: 1px solid var(--clr-border);
  }
  .authority__item:last-child { border-bottom: none; }
  .authority__item:nth-child(5) {
    grid-column: auto;
    border-top: none;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .method__framework {
    grid-template-columns: 1fr 1fr;
  }
  .method__phase:nth-child(2) { border-right: none; }
  .method__phase:nth-child(3) {
    border-top: 1px solid var(--clr-border);
    border-right: 1px solid var(--clr-border);
  }
  .method__phase:nth-child(4) {
    border-top: 1px solid var(--clr-border);
    border-right: none;
  }
  .method__phase:nth-child(5) {
    border-top: 1px solid var(--clr-border);
    border-right: none;
    grid-column: 1 / -1;
  }
  .method__note {
    flex-direction: column;
    gap: var(--sp-3);
  }

  .about__values {
    grid-template-columns: 1fr;
  }

  .why__grid {
    grid-template-columns: 1fr;
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }
  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .mantra-break {
    padding: var(--sp-12) var(--sp-6);
  }
}

/* ────────────────────────────────────────────────────────────
   22 · RESPONSIVE — SMALL MOBILE (≤ 480px)
──────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .method__framework {
    grid-template-columns: 1fr;
  }
  .method__phase {
    border-right: none !important;
    border-bottom: 1px solid var(--clr-border);
  }
  .method__phase:last-child {
    border-bottom: none;
  }

  .hero__ctas {
    flex-direction: column;
    align-items: flex-start;
  }
  .btn--primary,
  .btn--ghost {
    width: 100%;
    justify-content: center;
  }

  .contact__panel {
    padding: var(--sp-8);
  }
}

/* ────────────────────────────────────────────────────────────
   23 · REDUCED MOTION
──────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .hero__scroll-line {
    animation: none;
  }
  .service-card::before {
    transition: none;
  }
}

/* ────────────────────────────────────────────────────────────
   24 · PRINT
──────────────────────────────────────────────────────────── */
@media print {
  body {
    background: #fff;
    color: #000;
  }
  #nav, .nav__mobile, .hero__geo, body::before {
    display: none;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}