/* ==========================================================================
   CTOForge.com — Executive Minimal Stylesheet
   Pure Modern CSS · Zero Dependencies · Responsive & Accessible
   ========================================================================== */

:root {
  /* Brand Palette (Derived from CTOForge Logo) */
  --navy-950: #0b101b;
  --navy-900: #0f1521;
  --navy-850: #161c27;
  --navy-800: #1d2636;
  --navy-700: #2a364d;

  --forge-blue-600: #1270ad;
  --forge-blue-500: #1580c2;
  --forge-blue-400: #38bdf8;
  --forge-blue-100: #e0f2fe;
  --forge-blue-50: #f0f9ff;

  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --white: #ffffff;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;

  /* Layout & Spacing */
  --container-max: 1200px;
  --header-height: 78px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 30px -8px rgba(15, 23, 42, 0.08), 0 4px 10px -4px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 22px 45px -12px rgba(15, 23, 42, 0.14);
  --shadow-glow: 0 8px 28px -4px rgba(21, 128, 194, 0.45);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--slate-800);
  background-color: var(--navy-900);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

ul {
  list-style: none;
}

/* Skip Link for Keyboard Accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--forge-blue-500);
  color: var(--white);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
}

.skip-link:focus {
  top: 12px;
}

:focus-visible {
  outline: 2px solid var(--forge-blue-400);
  outline-offset: 3px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: inherit;
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.9rem;
}

.btn-lg {
  padding: 15px 26px;
  font-size: 0.98rem;
}

.btn-block {
  width: 100%;
  padding: 14px 22px;
  font-size: 0.96rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--forge-blue-500) 0%, var(--forge-blue-600) 100%);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(21, 128, 194, 0.32);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1b8ed6 0%, var(--forge-blue-500) 100%);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-outline-light {
  background: rgba(255, 255, 255, 0.04);
  color: var(--slate-100);
  border-color: rgba(203, 213, 225, 0.24);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.45);
  transform: translateY(-1px);
}

.btn-outline-dark {
  background: var(--slate-50);
  color: var(--slate-900);
  border-color: var(--slate-300);
}

.btn-outline-dark:hover {
  background: var(--forge-blue-50);
  color: var(--forge-blue-600);
  border-color: var(--forge-blue-500);
  transform: translateY(-1px);
}

.btn-icon {
  width: 18px;
  height: 18px;
  transition: transform 0.2s ease;
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}

.btn-icon-left {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
}

/* ==========================================================================
   Sticky Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(15, 21, 33, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: background-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(11, 16, 27, 0.96);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.32);
}

.nav-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo img {
  height: 46px;
  width: auto;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--slate-300);
  position: relative;
  padding-block: 6px;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--white);
}

.nav-link.is-active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--forge-blue-400);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-sm);
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle-bar {
  width: 20px;
  height: 2px;
  background: var(--slate-100);
  border-radius: 2px;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 18% 12%, #182338 0%, var(--navy-900) 58%, var(--navy-950) 100%);
  color: var(--white);
  padding-top: clamp(52px, 7vw, 92px);
  padding-bottom: clamp(48px, 6vw, 76px);
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(56, 189, 248, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(56, 189, 248, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 35%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 35%, #000 30%, transparent 100%);
  pointer-events: none;
}

.hero-bg-glow {
  position: absolute;
  top: -120px;
  right: -80px;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, rgba(21, 128, 194, 0.22) 0%, rgba(21, 128, 194, 0) 68%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.22fr 0.92fr;
  gap: clamp(32px, 4.5vw, 56px);
  align-items: center;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  background: rgba(21, 128, 194, 0.14);
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--forge-blue-400);
  margin-bottom: 22px;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--forge-blue-400);
  box-shadow: 0 0 10px var(--forge-blue-400);
  flex-shrink: 0;
}

.hero-title {
  font-size: clamp(2.2rem, 4.1vw, 3.45rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--white);
  margin-bottom: 20px;
}

.text-gradient {
  background: linear-gradient(92deg, #ffffff 0%, #7dd3fc 52%, #38bdf8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-motto {
  font-size: clamp(1.08rem, 1.45vw, 1.24rem);
  font-weight: 600;
  color: var(--slate-100);
  line-height: 1.45;
  margin-bottom: 14px;
}

.hero-lead {
  font-size: 1.03rem;
  color: var(--slate-300);
  max-width: 630px;
  margin-bottom: 30px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

.hero-tagline-note {
  font-size: 0.87rem;
  color: var(--slate-400);
}

.hero-tagline-note strong {
  color: var(--slate-200);
}

.hero-inline-link {
  color: var(--forge-blue-400);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.hero-inline-link:hover {
  color: var(--white);
}

/* Executive Proof Card */
.hero-card {
  background: linear-gradient(165deg, rgba(29, 38, 54, 0.88) 0%, rgba(19, 26, 39, 0.94) 100%);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 32px);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
}

.hero-card-mark {
  width: 40px;
  height: auto;
  flex-shrink: 0;
}

.hero-card-kicker {
  display: block;
  font-size: 0.73rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--forge-blue-400);
  margin-bottom: 2px;
}

.hero-card-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--white);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.metric-box {
  background: rgba(11, 16, 27, 0.55);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: var(--radius-md);
  padding: 16px;
}

.metric-value {
  display: block;
  font-size: clamp(1.35rem, 2vw, 1.65rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--forge-blue-400);
  line-height: 1.15;
  margin-bottom: 5px;
}

.metric-label {
  display: block;
  font-size: 0.81rem;
  line-height: 1.35;
  color: var(--slate-300);
}

.founder-mini {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(148, 163, 184, 0.14);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.founder-mini:hover {
  background: rgba(21, 128, 194, 0.14);
  border-color: rgba(56, 189, 248, 0.35);
}

.founder-mini-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(56, 189, 248, 0.45);
  flex-shrink: 0;
}

.founder-mini-info {
  flex: 1;
  min-width: 0;
}

.founder-mini-info strong {
  display: block;
  font-size: 0.94rem;
  color: var(--white);
  line-height: 1.25;
}

.founder-mini-info span {
  display: block;
  font-size: 0.79rem;
  color: var(--slate-300);
  line-height: 1.35;
}

.founder-mini-arrow {
  color: var(--forge-blue-400);
  font-weight: 700;
  font-size: 1.1rem;
  transition: transform 0.2s ease;
}

.founder-mini:hover .founder-mini-arrow {
  transform: translateX(3px);
}

/* Enterprise Pedigree Bar */
.pedigree-wrap {
  position: relative;
  z-index: 1;
  margin-top: clamp(40px, 5vw, 60px);
}

.pedigree-bar {
  padding-top: 28px;
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  text-align: center;
}

.pedigree-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--slate-400);
  margin-bottom: 16px;
}

.pedigree-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px 12px;
}

.pedigree-list li {
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--slate-200);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(148, 163, 184, 0.18);
  padding: 7px 16px;
  border-radius: 999px;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.pedigree-list li:hover {
  background: rgba(21, 128, 194, 0.14);
  border-color: rgba(56, 189, 248, 0.4);
  color: var(--white);
}

/* ==========================================================================
   Shared Section Layout & Headers
   ========================================================================== */
.section {
  padding-block: clamp(68px, 8vw, 108px);
}

.section-light {
  background-color: var(--slate-50);
  color: var(--slate-800);
}

.section-white {
  background-color: var(--white);
  color: var(--slate-800);
}

.section-dark {
  background: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-850) 100%);
  color: var(--slate-100);
}

.section-header {
  max-width: 740px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: clamp(42px, 5vw, 60px);
}

.section-kicker {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--forge-blue-600);
  margin-bottom: 10px;
}

.section-kicker-cyan {
  color: var(--forge-blue-400);
}

.section-title {
  font-size: clamp(1.85rem, 3vw, 2.55rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--slate-900);
  margin-bottom: 14px;
}

.section-header-dark .section-title {
  color: var(--white);
}

.section-subtitle {
  font-size: 1.06rem;
  color: var(--slate-600);
}

.section-header-dark .section-subtitle {
  color: var(--slate-300);
}

/* ==========================================================================
   Challenges Section ("When Companies Bring Me In")
   ========================================================================== */
.challenges-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.challenge-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: clamp(24px, 3vw, 34px);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.challenge-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(21, 128, 194, 0.35);
}

.challenge-number {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--forge-blue-500);
  background: var(--forge-blue-50);
  border: 1px solid var(--forge-blue-100);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.challenge-title {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.3;
  margin-bottom: 10px;
}

.challenge-desc {
  color: var(--slate-600);
  font-size: 0.97rem;
  margin-bottom: 18px;
  flex: 1;
}

.challenge-outcome {
  font-size: 0.9rem;
  color: var(--slate-800);
  padding-top: 14px;
  border-top: 1px solid var(--slate-100);
}

.challenge-outcome strong {
  color: var(--forge-blue-600);
}

/* ==========================================================================
   Services Section (6 Pillars)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background-color 0.22s ease, border-color 0.22s ease;
}

.service-card:hover {
  background: var(--white);
  border-color: rgba(21, 128, 194, 0.4);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.service-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--navy-850);
  color: var(--forge-blue-400);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-icon svg {
  width: 24px;
  height: 24px;
}

.service-title {
  font-size: 1.16rem;
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.3;
  margin-bottom: 10px;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--slate-600);
  margin-bottom: 20px;
  flex: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.service-tags li {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--slate-700);
  background: var(--white);
  border: 1px solid var(--slate-200);
  padding: 4px 10px;
  border-radius: 999px;
}

.service-card:hover .service-tags li {
  background: var(--forge-blue-50);
  border-color: var(--forge-blue-100);
  color: var(--forge-blue-600);
}

/* ==========================================================================
   Proven Results (Case Studies — Dark Theme)
   ========================================================================== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background: rgba(29, 38, 54, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.case-card:hover {
  transform: translateY(-3px);
  border-color: rgba(56, 189, 248, 0.42);
}

.case-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.case-badge {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(21, 128, 194, 0.2);
  color: var(--forge-blue-400);
}

.case-revenue {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--slate-300);
}

.case-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 20px;
}

.case-comparison {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 22px;
  flex: 1;
}

.case-state {
  padding: 13px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  line-height: 1.5;
}

.state-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.case-before {
  background: rgba(15, 21, 33, 0.65);
  border-left: 3px solid #f59e0b;
  color: var(--slate-300);
}

.case-before .state-label {
  color: #fbbf24;
}

.case-after {
  background: rgba(21, 128, 194, 0.11);
  border-left: 3px solid var(--forge-blue-400);
  color: var(--slate-100);
}

.case-after .state-label {
  color: var(--forge-blue-400);
}

.case-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding-top: 18px;
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  text-align: center;
}

.case-kpi strong {
  display: block;
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--forge-blue-400);
  line-height: 1.2;
}

.case-kpi span {
  display: block;
  font-size: 0.73rem;
  color: var(--slate-400);
  line-height: 1.25;
  margin-top: 3px;
}

/* ==========================================================================
   Engagement Models Section
   ========================================================================== */
.models-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.model-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.model-card-featured {
  border: 2px solid var(--forge-blue-500);
  box-shadow: var(--shadow-lg);
}

.model-ribbon {
  position: absolute;
  top: -13px;
  left: 28px;
  background: var(--forge-blue-500);
  color: var(--white);
  font-size: 0.73rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 999px;
}

.model-meta {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--forge-blue-600);
  margin-bottom: 8px;
}

.model-title {
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.25;
  margin-bottom: 10px;
}

.model-best {
  font-size: 0.93rem;
  color: var(--slate-600);
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--slate-200);
}

.model-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 26px;
  flex: 1;
}

.model-list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.93rem;
  color: var(--slate-700);
  line-height: 1.5;
}

.model-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 14px;
  height: 8px;
  border-left: 2px solid var(--forge-blue-500);
  border-bottom: 2px solid var(--forge-blue-500);
  transform: rotate(-45deg);
}

.model-link {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--forge-blue-600);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.model-link:hover {
  color: var(--navy-900);
}

/* ==========================================================================
   About Section (Dimitar Dimitrov)
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(36px, 5vw, 68px);
  align-items: start;
}

.portrait-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-md);
  margin-bottom: 22px;
  max-width: 420px;
}

.portrait-frame img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.credentials-card {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  max-width: 420px;
}

.credentials-heading {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--forge-blue-600);
  margin-bottom: 14px;
}

.credentials-list {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.credentials-list li strong {
  display: block;
  font-size: 0.94rem;
  color: var(--slate-900);
}

.credentials-list li span {
  display: block;
  font-size: 0.85rem;
  color: var(--slate-600);
  line-height: 1.4;
}

.about-content .section-title {
  text-align: left;
  margin-bottom: 20px;
}

.about-text {
  font-size: 1.03rem;
  color: var(--slate-700);
  margin-bottom: 18px;
}

.about-text strong {
  color: var(--slate-900);
}

.principles-box {
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--slate-200);
}

.principles-heading {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-500);
  margin-bottom: 18px;
}

.principle-item {
  display: flex;
  gap: 16px;
  margin-bottom: 18px;
}

.principle-item:last-child {
  margin-bottom: 0;
}

.principle-index {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--navy-850);
  color: var(--forge-blue-400);
  font-size: 0.78rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.principle-item strong {
  display: block;
  font-size: 1rem;
  color: var(--slate-900);
  margin-bottom: 3px;
}

.principle-item p {
  font-size: 0.93rem;
  color: var(--slate-600);
}

.credentials-cta {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--slate-200);
}

/* ==========================================================================
   Executive FAQ
   ========================================================================== */
.faq-container {
  max-width: 860px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item[open] {
  border-color: rgba(21, 128, 194, 0.4);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  font-size: 1.04rem;
  font-weight: 700;
  color: var(--slate-900);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon {
  position: relative;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--slate-100);
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--slate-700);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.faq-icon::before {
  width: 10px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 10px;
}

.faq-item[open] .faq-icon {
  background: var(--forge-blue-50);
}

.faq-item[open] .faq-icon::before {
  background: var(--forge-blue-600);
}

.faq-item[open] .faq-icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-answer {
  padding: 0 24px 22px;
  color: var(--slate-600);
  font-size: 0.96rem;
}

/* ==========================================================================
   Contact Section & Footer
   ========================================================================== */
.contact-section {
  position: relative;
  background: var(--navy-900);
  padding-top: clamp(64px, 8vw, 100px);
  padding-bottom: clamp(56px, 6vw, 84px);
  overflow: hidden;
}

.contact-glow {
  top: auto;
  bottom: -180px;
  left: 50%;
  right: auto;
  transform: translateX(-50%);
}

.contact-card {
  position: relative;
  z-index: 1;
  background: linear-gradient(155deg, var(--navy-800) 0%, var(--navy-850) 100%);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-lg);
  padding: clamp(34px, 5vw, 60px);
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.contact-content {
  max-width: 680px;
  margin-inline: auto;
}

.contact-title {
  font-size: clamp(1.85rem, 3.2vw, 2.6rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 16px;
}

.contact-desc {
  font-size: 1.04rem;
  color: var(--slate-300);
  margin-bottom: 30px;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 22px;
}

.contact-topics {
  margin-bottom: 22px;
}

.contact-topics-label {
  display: block;
  font-size: 0.79rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate-400);
  margin-bottom: 10px;
}

.contact-topics-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.contact-topics-pills a {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--slate-200);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(148, 163, 184, 0.22);
  padding: 6px 14px;
  border-radius: 999px;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.contact-topics-pills a:hover {
  background: rgba(21, 128, 194, 0.22);
  border-color: var(--forge-blue-400);
  color: var(--white);
}

.email-copy-row {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(11, 16, 27, 0.55);
  border: 1px solid rgba(148, 163, 184, 0.16);
  font-size: 0.86rem;
}

.email-copy-label {
  color: var(--slate-400);
}

.email-code {
  font-family: inherit;
  font-weight: 600;
  color: var(--slate-100);
}

.copy-email-btn {
  background: rgba(21, 128, 194, 0.2);
  color: var(--forge-blue-400);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 999px;
  padding: 4px 12px;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.copy-email-btn:hover {
  background: var(--forge-blue-500);
  color: var(--white);
}

.copy-status {
  font-size: 0.79rem;
  font-weight: 600;
  color: #34d399;
}

.copy-status:empty {
  display: none;
}

/* Footer */
.site-footer {
  background: var(--navy-950);
  color: var(--slate-400);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding-top: 44px;
  padding-bottom: 34px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand img {
  height: 40px;
  width: auto;
  margin-bottom: 10px;
}

.footer-motto {
  font-size: 0.87rem;
  color: var(--slate-400);
  max-width: 440px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--slate-300);
}

.footer-links a:hover {
  color: var(--forge-blue-400);
}

.footer-bottom {
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.83rem;
}

/* ==========================================================================
   Scroll Reveal Progressive Enhancement
   ========================================================================== */
.js-enabled .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.js-enabled .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .js-enabled .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1040px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    max-width: 680px;
  }

  .services-grid,
  .cases-grid,
  .models-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .about-profile {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
    align-items: center;
  }

  .portrait-frame {
    margin-bottom: 0;
  }

  .credentials-card {
    max-width: none;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .primary-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--navy-950);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-direction: column;
    align-items: stretch;
    padding: 20px 24px 28px;
    gap: 20px;
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  }

  .primary-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .nav-link {
    font-size: 1.02rem;
  }

  .nav-actions .btn {
    width: 100%;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

@media (max-width: 720px) {
  .challenges-grid,
  .services-grid,
  .cases-grid,
  .models-grid {
    grid-template-columns: 1fr;
  }

  .about-profile {
    grid-template-columns: 1fr;
  }

  .portrait-frame {
    max-width: 280px;
  }

  .hero-cta-group .btn,
  .contact-actions .btn {
    width: 100%;
  }

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

  .pedigree-list {
    gap: 8px 18px;
  }

  .pedigree-list li {
    font-size: 0.88rem;
  }
}

@media (max-width: 420px) {
  .container {
    padding-inline: 18px;
  }

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