/* ==========================================================================
   WIND IN SAILS - INDUSTRIAL INVESTMENT ADVISORY (windinsails.com)
   Design System & Master Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Color Palette */
  --bg-primary: #060d17;
  --bg-secondary: #0b1728;
  --bg-tertiary: #101f35;
  --bg-card: rgba(16, 31, 53, 0.75);
  --bg-card-hover: rgba(22, 42, 71, 0.9);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(14, 165, 233, 0.4);
  --border-glow: rgba(56, 189, 248, 0.25);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-light: #cbd5e1;

  --accent-cyan: #0ea5e9;
  --accent-cyan-light: #38bdf8;
  --accent-cyan-glow: rgba(14, 165, 233, 0.25);

  --accent-amber: #f59e0b;
  --accent-amber-light: #fbbf24;
  --accent-amber-glow: rgba(245, 158, 11, 0.2);

  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.2);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Space Grotesk', monospace, sans-serif;

  /* Spacing & Layout */
  --container-max: 1240px;
  --header-height: 80px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
  --shadow-cyan: 0 0 25px rgba(14, 165, 233, 0.35);
  --shadow-amber: 0 0 25px rgba(245, 158, 11, 0.3);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}

/* Background grid effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(14, 165, 233, 0.08) 0%, transparent 50%),
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 60px 60px, 60px 60px;
  pointer-events: none;
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

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

.section-padding {
  padding-top: 100px;
  padding-bottom: 100px;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 64px auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.3);
  border-radius: var(--radius-full);
  color: var(--accent-cyan-light);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.section-title {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Navigation Bar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: background-color var(--transition-smooth), backdrop-filter var(--transition-smooth), border-color var(--transition-smooth);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background-color: rgba(6, 13, 23, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border-subtle);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

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

/* Brand Logo */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(245, 158, 11, 0.15));
  border: 1px solid var(--border-active);
  border-radius: 10px;
  color: var(--accent-cyan-light);
  box-shadow: 0 0 15px rgba(14, 165, 233, 0.2);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.1;
}

.brand-sub {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-amber);
  font-family: var(--font-sans);
  font-weight: 600;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-light);
  position: relative;
  padding: 8px 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-amber));
  transition: width var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

/* Nav Actions (Language & CTA) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 3px;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-btn.active {
  background: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(14, 165, 233, 0.5);
}

.lang-btn:hover:not(.active) {
  color: var(--text-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7 0%, #0ea5e9 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(14, 165, 233, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1 0%, #0284c7 100%);
  box-shadow: 0 6px 25px rgba(14, 165, 233, 0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-subtle);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-active);
  color: var(--accent-cyan-light);
  transform: translateY(-2px);
}

.btn-amber {
  background: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
  color: #060d17;
  font-weight: 700;
  box-shadow: 0 4px 18px rgba(245, 158, 11, 0.35);
}

.btn-amber:hover {
  background: linear-gradient(135deg, #b45309 0%, #d97706 100%);
  color: #ffffff;
  box-shadow: 0 6px 25px rgba(245, 158, 11, 0.5);
  transform: translateY(-2px);
}

/* Mobile menu toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* --- Hero Section --- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.42) contrast(1.15);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, 
    rgba(6, 13, 23, 0.75) 0%, 
    rgba(6, 13, 23, 0.85) 60%, 
    rgba(6, 13, 23, 1) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 880px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid rgba(14, 165, 233, 0.4);
  border-radius: var(--radius-full);
  color: var(--accent-cyan-light);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.2);
  animation: pulse-glow 3s infinite alternate;
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 10px rgba(14, 165, 233, 0.2); }
  100% { box-shadow: 0 0 25px rgba(14, 165, 233, 0.45); }
}

.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 24px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 740px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  max-width: 760px;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.hero-stat-val {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--accent-amber-light);
  line-height: 1.1;
  margin-bottom: 6px;
}

.hero-stat-lbl {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* --- Trust / Badges Bar --- */
.trust-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 24px 0;
}

.trust-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.trust-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.trust-tags {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.trust-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-light);
  transition: all var(--transition-fast);
}

.trust-tag:hover {
  background: rgba(14, 165, 233, 0.08);
  border-color: var(--border-active);
  color: #ffffff;
}

/* --- Services Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 36px;
  position: relative;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md), 0 0 30px rgba(14, 165, 233, 0.12);
}

.service-card:hover::before {
  opacity: 1;
}

.service-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan-light);
  transition: all var(--transition-smooth);
}

.service-card:hover .service-icon {
  background: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.5);
}

.service-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.15);
  transition: color var(--transition-smooth);
}

.service-card:hover .service-num {
  color: var(--accent-amber-light);
}

.service-title {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 14px;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
}

.service-items {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-light);
}

.service-item svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  color: var(--accent-cyan-light);
}

/* Highlighted 5th service card or featured */
.service-card.featured {
  border-color: rgba(245, 158, 11, 0.3);
  background: linear-gradient(180deg, rgba(22, 42, 71, 0.85) 0%, rgba(16, 31, 53, 0.9) 100%);
}

.service-card.featured::before {
  background: linear-gradient(90deg, transparent, var(--accent-amber), transparent);
  opacity: 1;
}

.service-card.featured .service-icon {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.35);
  color: var(--accent-amber-light);
}

.service-card.featured:hover .service-icon {
  background: var(--accent-amber);
  color: #060d17;
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.5);
}

/* --- Methodology Section --- */
.methodology-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  margin-top: 40px;
}

.timeline-step {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  position: relative;
  transition: all var(--transition-smooth);
}

.timeline-step:hover {
  border-color: var(--border-active);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.timeline-step-badge {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent-cyan-light);
  margin-bottom: 20px;
  box-shadow: 0 0 15px rgba(14, 165, 233, 0.3);
}

.timeline-step-title {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
  line-height: 1.3;
}

.timeline-step-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Sectors Section --- */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.sector-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.sector-card:hover {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.sector-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(14, 165, 233, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan-light);
  margin-bottom: 20px;
}

.sector-title {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.sector-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Interactive Project Diagnostic Tool --- */
.diagnostic-container {
  background: linear-gradient(135deg, rgba(16, 31, 53, 0.85) 0%, rgba(11, 23, 40, 0.95) 100%);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-lg), 0 0 40px rgba(14, 165, 233, 0.15);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: stretch;
}

.diagnostic-questions {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.diag-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.diag-label {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
}

.diag-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.diag-option-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-light);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
}

.diag-option-btn:hover {
  background: rgba(14, 165, 233, 0.08);
  border-color: var(--border-active);
  color: #ffffff;
}

.diag-option-btn.selected {
  background: rgba(14, 165, 233, 0.2);
  border-color: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 0 15px rgba(14, 165, 233, 0.3);
  font-weight: 600;
}

.diagnostic-result-card {
  background: rgba(6, 13, 23, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.diagnostic-result-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-amber));
}

.res-header {
  margin-bottom: 20px;
}

.res-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-amber);
  font-weight: 600;
  margin-bottom: 8px;
}

.res-title {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
}

.res-body {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.res-highlight {
  padding: 16px;
  background: rgba(14, 165, 233, 0.08);
  border-left: 3px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.6;
}

.res-scope-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.res-scope-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-light);
}

.res-scope-item svg {
  color: var(--accent-amber);
  width: 14px;
  height: 14px;
}

/* --- About / Philosophy Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg);
}

.about-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-image-wrapper:hover img {
  transform: scale(1.03);
}

.about-badge-float {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: rgba(6, 13, 23, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-md);
}

.about-badge-float .icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-amber);
  color: #060d17;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.about-badge-float .text {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.3;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 1.02rem;
  line-height: 1.75;
}

.about-content p strong {
  color: #ffffff;
  font-weight: 600;
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 32px;
}

.about-value-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  transition: border-color var(--transition-fast);
}

.about-value-item:hover {
  border-color: var(--border-active);
}

.val-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(14, 165, 233, 0.15);
  color: var(--accent-cyan-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.val-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
}

.val-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --- Contact & Project Qualification Form --- */
.contact-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 56px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.contact-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-light);
}

.form-control {
  background: rgba(6, 13, 23, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 13px 18px;
  color: #ffffff;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  width: 100%;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
  background: rgba(6, 13, 23, 0.95);
  box-shadow: 0 0 15px rgba(14, 165, 233, 0.25);
}

.form-control::placeholder {
  color: var(--text-muted);
  font-size: 0.9rem;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
  padding-right: 42px;
  cursor: pointer;
}

select.form-control option {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  padding: 10px;
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--accent-cyan);
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.form-submit-container {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.form-submit-container .btn {
  padding: 15px 36px;
  font-size: 1rem;
}

.form-guarantee {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.form-guarantee svg {
  color: var(--accent-amber);
  width: 16px;
  height: 16px;
}

/* --- Confirmation Modal --- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(6, 13, 23, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.modal-backdrop.open {
  display: flex;
  opacity: 1;
}

.modal-dialog {
  background: var(--bg-secondary);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 580px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg), 0 0 50px rgba(14, 165, 233, 0.2);
  transform: translateY(20px);
  transition: transform var(--transition-smooth);
}

.modal-backdrop.open .modal-dialog {
  transform: translateY(0);
}

.modal-icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  border: 2px solid var(--success);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px auto;
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.3);
}

.modal-title {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
}

.modal-desc {
  font-size: 0.98rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 14px;
}

.modal-desc.muted {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* --- Footer --- */
.footer {
  background: #04080e;
  border-top: 1px solid var(--border-subtle);
  padding-top: 80px;
  padding-bottom: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 56px;
}

.footer-brand .brand {
  margin-bottom: 18px;
}

.footer-tagline {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 380px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-cyan-light);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 16px;
}

.domain-pill {
  font-family: var(--font-mono);
  color: var(--accent-cyan-light);
  background: rgba(14, 165, 233, 0.1);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(14, 165, 233, 0.2);
}

/* --- Scroll to Top Button --- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-active);
  color: var(--accent-cyan-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all var(--transition-smooth);
  z-index: 900;
  box-shadow: var(--shadow-sm);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.6);
}

/* --- Animations & Utilities --- */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .methodology-timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .diagnostic-container {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 36px;
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(6, 13, 23, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 32px 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-150%);
    transition: transform var(--transition-smooth);
    display: flex;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .mobile-toggle {
    display: flex;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .methodology-timeline {
    grid-template-columns: 1fr;
  }

  .diag-options {
    grid-template-columns: 1fr;
  }

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

  .contact-wrapper {
    padding: 32px 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}