/* ============================================
   AI Operations – Main Stylesheet
   Colors sourced from energyarch.com
   ============================================ */

:root {
  /* ---- Palette from energyarch.com ---- */
  --color-bg:           #ffffff;       /* page body background */
  --color-dark:         #111111;       /* dark sections / footer */
  --color-dark-2:       #111111;       /* dark section alternate */
  --color-dark-3:       #1e293b;       /* dark card backgrounds */
  --color-light:        #F0F5FA;       /* light section background */
  --color-light-2:      #F3F4F8;       /* alternate light section */

  /* Primary CTA / button color = amber/golden from energyarch */
  --color-accent:       #FAA61B;
  --color-accent-hover: #e09410;
  --color-accent-text:  #1e293b;       /* text on amber buttons */
  --color-accent-light: #fff5e0;       /* tinted amber background */

  /* Secondary / link blue */
  --color-link:         #046bd2;
  --color-link-hover:   #045cb4;

  /* Slate accent used on dark cards / icons */
  --color-slate:        #5B6798;

  /* Typography */
  --color-heading:      #1e293b;       /* h1–h4 */
  --color-text:         #4E4E4F;       /* body text */
  --color-text-muted:   #334155;       /* secondary text */
  --color-text-light:   #808285;       /* tertiary / captions */

  /* UI chrome */
  --color-white:        #ffffff;
  --color-border:       #D1D5DB;
  --color-border-dark:  #334155;
  --color-nav-bg:       #ffffff;       /* navigation bar */
  --color-nav-text:     #1e293b;       /* nav link text */

  /* ---- Fonts ---- */
  --font-primary: 'DM Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'DM Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* ---- Layout ---- */
  --nav-height:         72px;
  --section-padding:    96px;
  --max-width:          1200px;
  --radius:             6px;
  --radius-lg:          12px;

  /* ---- Shadows ---- */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);

  --transition: all 0.2s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-link); text-decoration: none; }
a:hover { color: var(--color-link-hover); }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); font-weight: 600; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ---- Layout ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Section backgrounds */
.section-light { background: var(--color-light); }
.section-white { background: var(--color-bg); }

.section-dark {
  background: var(--color-dark);
  color: var(--color-white);
}
.section-dark h2,
.section-dark h3 { color: var(--color-white); }
.section-dark .section-intro { color: #808285; }

.section-header {
  max-width: 680px;
  margin-bottom: 56px;
}

.section-intro {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-top: 16px;
  line-height: 1.7;
}

/* Section white */
.section-white { background: var(--color-bg); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1;
}

/* Primary = amber (energyarch CTA color) */
.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-text);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-accent-text);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(250,166,27,0.4);
}

/* Secondary = outlined white (used on dark sections) */
.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-secondary:hover {
  border-color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.08);
  color: var(--color-white);
}

/* Ghost = outlined dark (used on light sections) */
.btn-ghost {
  background: transparent;
  color: var(--color-heading);
  border: 2px solid var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-heading);
  color: var(--color-heading);
}

/* Ghost white = outlined white (used on dark sections) */
.btn-ghost-white {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.35);
}
.btn-ghost-white:hover {
  border-color: rgba(255,255,255,0.7);
  color: var(--color-white);
}

.btn-large {
  padding: 18px 48px;
  font-size: 1.05rem;
}

.btn-full { width: 100%; }

/* ============================================
   NAVIGATION  (white, matching energyarch.com)
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--color-nav-bg);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 16px rgba(0,0,0,0.10);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-heading);
  letter-spacing: -0.01em;
}

.logo-text strong {
  font-weight: 800;
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  color: var(--color-nav-text);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--color-heading);
  background: var(--color-light);
}

/* Contact CTA in nav = amber button */
.nav-links .nav-cta {
  background: var(--color-accent);
  color: var(--color-accent-text);
  font-weight: 700;
  padding: 9px 20px;
  margin-left: 8px;
  border-radius: var(--radius);
}

.nav-links .nav-cta:hover {
  background: var(--color-accent-hover);
  color: var(--color-accent-text);
}

/* Assessment link in nav */
.nav-links .nav-assess {
  color: var(--color-link);
  border: 1.5px solid var(--color-link);
  padding: 8px 14px;
  border-radius: var(--radius);
  font-weight: 600;
}

.nav-links .nav-assess:hover {
  background: var(--color-link);
  color: var(--color-white);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-heading);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   HERO  (dark — #111111 bg, white text)
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-height);
  background: var(--color-dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 65% 40%, rgba(250,166,27,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 75%, rgba(91,103,152,0.12) 0%, transparent 50%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 64px;
  padding-bottom: 80px;
}

.hero-text { max-width: 760px; }

.hero-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(250,166,27,0.12);
  border: 1px solid rgba(250,166,27,0.3);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero-headline {
  color: var(--color-white);
  margin-bottom: 24px;
  font-weight: 800;
}

.hero-subheadline {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.78);
  margin-bottom: 20px;
  line-height: 1.65;
  font-weight: 400;
}

.hero-body {
  font-size: 1rem;
  color: rgba(255,255,255,0.52);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.hero-trust {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.35);
  margin-bottom: 8px;
}

.hero-assess-prompt {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.35);
  margin-bottom: 0;
}

.hero-assess-link {
  color: var(--color-accent);
  font-weight: 600;
}

.hero-assess-link:hover {
  color: var(--color-accent-hover);
}

/* ============================================
   VALUE STRIP  (amber bar)
   ============================================ */
.value-strip {
  background: var(--color-accent);
  padding: 18px 0;
}

.value-strip-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.value-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-accent-text);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 24px;
  border-right: 1px solid rgba(30,41,59,0.2);
}

.value-item:last-child { border-right: none; }

.value-icon {
  font-size: 0.5rem;
  opacity: 0.5;
  flex-shrink: 0;
}

/* ============================================
   POSITIONING  (white bg, dark text)
   ============================================ */
.positioning {
  padding: var(--section-padding) 0;
  background: var(--color-bg);
}

.positioning-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.positioning-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--color-heading);
  position: sticky;
  top: calc(var(--nav-height) + 24px);
}

.positioning-body p {
  font-size: 1.05rem;
  color: var(--color-text);
  line-height: 1.8;
}

.friction-list {
  margin: 12px 0 20px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.friction-list li {
  padding-left: 20px;
  position: relative;
  font-size: 1rem;
  color: var(--color-text-muted);
}

.friction-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.closing-line {
  font-style: italic;
  color: var(--color-text-light) !important;
  border-left: 3px solid var(--color-accent);
  padding-left: 16px;
  margin-top: 20px !important;
}

/* ============================================
   SERVICES  (dark section — #111111)
   ============================================ */
.services {
  padding: var(--section-padding) 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-card {
  background: #1a1f2e;
  padding: 40px 36px;
  transition: var(--transition);
}

.service-card:hover {
  background: #222840;
}

.service-number {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.service-card h3 {
  color: var(--color-white);
  margin-bottom: 12px;
  font-size: 1.15rem;
  line-height: 1.35;
}

.service-card p {
  color: #808285;
  font-size: 0.95rem;
  line-height: 1.7;
}

.service-outcomes {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.07);
}

.outcomes-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 10px !important;
}

.service-outcomes ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.service-outcomes ul li {
  font-size: 0.875rem;
  color: #808285;
  padding-left: 14px;
  position: relative;
}

.service-outcomes ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* ============================================
   SOLUTIONS  (light bg — #F0F5FA)
   ============================================ */
.solutions {
  padding: var(--section-padding) 0;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.solution-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}

.solution-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.solution-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.solution-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-heading);
  line-height: 1.4;
}

.solution-card p {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ============================================
   INDUSTRIES  (dark section — #111111)
   ============================================ */
.industries {
  padding: var(--section-padding) 0;
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.industry-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}

.industry-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(250,166,27,0.35);
}

.industry-icon {
  width: 44px;
  height: 44px;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.industry-icon svg { width: 100%; height: 100%; }

.industry-card h3 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 10px;
}

.industry-card p {
  color: #808285;
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ============================================
   WHY US  (light bg — #F0F5FA)
   ============================================ */
.why-us {
  padding: var(--section-padding) 0;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.why-card {
  padding: 32px 28px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  border-top: 3px solid var(--color-accent);
  transition: var(--transition);
}

.why-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.why-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-heading);
}

.why-card p {
  font-size: 0.9rem;
  color: var(--color-text);
  margin-bottom: 0;
}

.why-closing {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-heading);
  font-style: italic;
  max-width: 680px;
  margin: 0 auto;
}

/* ============================================
   PROCESS  (dark section — #111111)
   ============================================ */
.process {
  padding: var(--section-padding) 0;
}

.process-steps {
  display: flex;
  flex-direction: column;
  max-width: 760px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-accent-text);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-content {
  padding: 10px 0 32px 0;
}

.step-content h3 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.step-content p {
  color: #808285;
  font-size: 0.95rem;
  margin-bottom: 0;
}

.process-connector {
  width: 2px;
  height: 32px;
  background: rgba(250,166,27,0.25);
  margin-left: 23px;
}

.process-closing {
  text-align: center;
  font-style: italic;
  color: #808285;
  margin-top: 40px;
  font-size: 0.95rem;
}

/* ============================================
   ENGAGEMENT  (white bg)
   ============================================ */
.engagement {
  padding: var(--section-padding) 0;
  background: var(--color-bg);
}

.engagement-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.engagement-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.engagement-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.engagement-card:hover::before { transform: scaleX(1); }
.engagement-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.engagement-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-heading);
}

.engagement-card p {
  font-size: 0.875rem;
  color: var(--color-text);
  margin-bottom: 0;
}

/* ============================================
   FAQ  (dark section — #111111)
   ============================================ */
.faq {
  padding: var(--section-padding) 0;
}

.faq-list {
  max-width: 760px;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.faq-item:last-child { border-bottom: none; }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  background: transparent;
  transition: var(--transition);
}

.faq-question:hover {
  background: rgba(255,255,255,0.03);
}

.faq-question[aria-expanded="true"] {
  color: var(--color-accent);
}

.faq-icon {
  flex-shrink: 0;
  font-size: 1.4rem;
  font-weight: 300;
  line-height: 1;
  color: var(--color-accent);
  transition: transform 0.2s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 28px 22px 28px;
}

.faq-answer.open { display: block; }

.faq-answer p {
  color: #808285;
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ============================================
   ABOUT  (light bg — #F0F5FA)
   ============================================ */
.about {
  padding: var(--section-padding) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text h2 {
  margin-bottom: 24px;
  color: var(--color-heading);
}

.about-text p {
  font-size: 1.05rem;
  color: var(--color-text);
  line-height: 1.8;
}

.about-founder {
  font-size: 1.1rem !important;
  font-style: italic;
  color: var(--color-text-light) !important;
  border-left: 3px solid var(--color-accent);
  padding-left: 16px;
  margin-top: 20px !important;
}

.about-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-stat {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  border-top: 3px solid var(--color-accent);
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-heading);
}

/* ============================================
   FINAL CTA  (dark — #111111)
   ============================================ */
.final-cta {
  padding: var(--section-padding) 0;
  background:
    radial-gradient(ellipse 80% 70% at 50% 0%, rgba(250,166,27,0.10) 0%, transparent 65%),
    var(--color-dark);
}

.final-cta-content {
  text-align: center;
  max-width: 680px;
}

.final-cta h2 {
  color: var(--color-white);
  margin-bottom: 20px;
}

.final-cta p {
  color: #808285;
  font-size: 1.1rem;
  margin-bottom: 40px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

/* ============================================
   CONTACT  (white bg)
   ============================================ */
.contact {
  padding: var(--section-padding) 0;
  background: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: start;
}

.contact-text h2 {
  margin-bottom: 20px;
  color: var(--color-heading);
}

.contact-text p {
  font-size: 1.05rem;
  color: var(--color-text);
  line-height: 1.8;
}

.contact-microcopy {
  font-size: 0.875rem !important;
  color: var(--color-text-light) !important;
  font-style: italic;
  margin-top: 16px !important;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-heading);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font-primary);
  color: var(--color-text);
  background: #F9FAFB;
  transition: var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #BDC2D6;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(250,166,27,0.15);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-color: #F9FAFB;
  padding-right: 40px;
}

/* ============================================
   FOOTER  (dark — #111111, white text)
   ============================================ */
.site-footer-bottom {
  background: var(--color-dark);
  padding: 48px 0 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer-brand .logo-text {
  color: var(--color-white);
}

.footer-brand .logo-text strong {
  color: var(--color-accent);
}

.footer-brand p {
  color: #808285;
  font-size: 0.875rem;
  margin-top: 6px;
  margin-bottom: 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
}

.footer-nav a {
  color: #808285;
  font-size: 0.875rem;
  padding: 4px 12px;
  border-radius: var(--radius);
  transition: var(--transition);
}

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

.footer-copy {
  color: rgba(255,255,255,0.2);
  font-size: 0.8rem;
  margin-bottom: 0;
}

/* ============================================
   INTRO SECTION
   ============================================ */
.intro {
  padding: var(--section-padding) 0;
}

.intro-header {
  max-width: 700px;
  margin-bottom: 56px;
}

.intro-header h2 {
  margin-bottom: 16px;
}

.intro-lead {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-top: 24px;
  margin-bottom: 0;
}

.intro-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.pillar-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  border-top: 4px solid var(--color-accent);
  padding: 36px 28px;
  transition: var(--transition);
}

.pillar-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.pillar-number {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.pillar-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 12px;
  line-height: 1.35;
}

.pillar-card p {
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 20px;
}

.pillar-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-link);
  display: inline-block;
}

.pillar-link:hover {
  color: var(--color-link-hover);
}

.intro-closing {
  font-size: 1rem;
  font-style: italic;
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: 0;
}

/* ============================================
   SERVICE DETAIL SECTIONS
   ============================================ */
.service-detail {
  padding: var(--section-padding) 0;
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: start;
}

.service-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-light);
  border: 1px solid rgba(250,166,27,0.25);
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.service-detail-header {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
}

.service-detail-header h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  margin-bottom: 20px;
  line-height: 1.25;
}

.service-detail-lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 0;
}

.service-detail-body p {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.8;
}

.detail-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin: 32px 0;
  padding: 32px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.section-light .detail-columns {
  background: var(--color-white);
}

.section-white .detail-columns {
  background: var(--color-light);
}

.detail-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 14px;
}

.detail-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.detail-list li {
  font-size: 0.9rem;
  color: var(--color-text);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.detail-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.detail-col p {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.75;
}

.callout-line {
  border-left: 4px solid var(--color-accent);
  padding: 16px 20px;
  margin: 0;
  font-size: 1rem;
  font-style: italic;
  font-weight: 600;
  color: var(--color-heading);
  background: var(--color-accent-light);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* ============================================
   BRIDGE SECTION
   ============================================ */
.bridge {
  padding: var(--section-padding) 0;
}

.bridge-content {
  max-width: 720px;
}

.bridge-text h2 {
  color: var(--color-white);
  margin-bottom: 24px;
}

.bridge-text p {
  color: #808285;
  font-size: 1.05rem;
  line-height: 1.8;
}

.bridge-list {
  margin: 16px 0 24px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bridge-list li {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  padding-left: 20px;
  position: relative;
}

.bridge-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.bridge-emphasis {
  font-size: 1.15rem !important;
  font-weight: 600;
  color: var(--color-white) !important;
  margin-bottom: 16px !important;
}

/* ============================================
   WHO WE SERVE  — light card variant
   ============================================ */
.industries.section-white {
  background: var(--color-bg);
}

.industries-grid.light-cards .industry-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}

.industries-grid.light-cards .industry-card:hover {
  background: var(--color-white);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.industries-grid.light-cards .industry-icon {
  color: var(--color-accent);
}

.industries-grid.light-cards .industry-card h3 {
  color: var(--color-heading);
}

.industries-grid.light-cards .industry-card p {
  color: var(--color-text);
}

/* ============================================
   WHY-US lead text
   ============================================ */
.why-lead {
  max-width: 600px;
  margin-bottom: 36px;
}

.why-lead p {
  font-size: 1.05rem;
  color: var(--color-text);
  line-height: 1.8;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  :root { --section-padding: 72px; }

  .services-grid        { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid       { grid-template-columns: repeat(2, 1fr); }
  .engagement-grid      { grid-template-columns: repeat(2, 1fr); }
  .why-grid             { grid-template-columns: repeat(2, 1fr); }
  .industries-grid      { grid-template-columns: repeat(2, 1fr); }
  .intro-pillars        { grid-template-columns: repeat(2, 1fr); }
  .service-detail-grid  { grid-template-columns: 1fr; gap: 32px; }
  .service-detail-header { position: static; }
  .detail-columns       { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 768px) {
  :root { --section-padding: 56px; }

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

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 16px 24px 28px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    gap: 4px;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    font-size: 1rem;
    padding: 12px 16px;
    display: block;
    color: var(--color-nav-text);
  }

  .nav-links .nav-cta {
    margin-left: 0;
    text-align: center;
    margin-top: 8px;
  }

  /* Hero */
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; }

  /* Value strip */
  .value-strip-grid { flex-direction: column; }
  .value-item {
    border-right: none;
    border-bottom: 1px solid rgba(30,41,59,0.15);
    justify-content: center;
  }
  .value-item:last-child { border-bottom: none; }

  /* Grids → single column */
  .services-grid        { grid-template-columns: 1fr; }
  .solutions-grid       { grid-template-columns: 1fr; }
  .industries-grid      { grid-template-columns: 1fr; }
  .why-grid             { grid-template-columns: 1fr; }
  .engagement-grid      { grid-template-columns: 1fr; }
  .about-grid           { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid         { grid-template-columns: 1fr; gap: 40px; }
  .form-row             { grid-template-columns: 1fr; }
  .intro-pillars        { grid-template-columns: 1fr; }
  .service-detail-grid  { grid-template-columns: 1fr; gap: 28px; }
  .service-detail-header { position: static; }
  .detail-columns       { grid-template-columns: 1fr; }

  /* CTA */
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 1.9rem; }
  .section-header { margin-bottom: 36px; }
}

/* ============================================
   ANIMATION
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}