/* ═══════════════════════════════════════════════════════════════
   mfgIndia.com — Stylesheet
   Design: Dark Navy + Saffron Orange | Inter font | Mobile-first
═══════════════════════════════════════════════════════════════ */

/* ───────────────────────────────────────────
   DESIGN TOKENS
─────────────────────────────────────────── */
:root {
  --color-navy-deep: #0A1628;
  --color-navy-mid: #1E3A5F;
  --color-navy-card: #162035;
  --color-saffron: #FF6B35;
  --color-saffron-light: #FF8C5A;
  --color-saffron-dark: #E55A20;
  --color-white: #FFFFFF;
  --color-bg-light: #F4F6F9;
  --color-text-light: #E2E8F0;
  --color-text-muted: #94A3B8;
  --color-text-dark: #1A2332;
  --color-text-mid: #4A5568;
  --color-border-glass: rgba(255, 255, 255, 0.12);
  --color-border-glass-hover: rgba(255, 107, 53, 0.4);

  --font-family: 'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.2);
  --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.35);
  --shadow-btn: 0 4px 20px rgba(255, 107, 53, 0.35);
  --shadow-btn-hover: 0 8px 32px rgba(255, 107, 53, 0.55);

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  --container-max: 1280px;
  --container-padding: 1.25rem;
  --section-padding: 5rem 0;

  --nav-height: 70px;
}

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

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

body {
  font-family: var(--font-family);
  background-color: var(--color-bg-light);
  color: var(--color-text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

ul {
  list-style: none;
}

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

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--color-saffron);
  color: var(--color-white);
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* Glassmorphism utility */
.glass {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Section title */
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-text-dark);
  letter-spacing: -0.02em;
}

.section-title--light {
  color: var(--color-text-dark);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-saffron);
  color: var(--color-white);
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-saffron-light);
  box-shadow: var(--shadow-btn-hover);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-dark);
  border: 2px solid rgba(26, 35, 50, 0.3);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  border-color: var(--color-text-dark);
  background: rgba(26, 35, 50, 0.06);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1rem 2.25rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn:focus-visible {
  outline: 3px solid var(--color-saffron);
  outline-offset: 3px;
}

/* Cards grid (shared 3-col grid layout) */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

/* ───────────────────────────────────────────
   SCROLL REVEAL ANIMATIONS
─────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger children with data-stagger attribute */
.cards-grid .reveal:nth-child(1) { transition-delay: 0ms; }
.cards-grid .reveal:nth-child(2) { transition-delay: 80ms; }
.cards-grid .reveal:nth-child(3) { transition-delay: 160ms; }
.cards-grid .reveal:nth-child(4) { transition-delay: 240ms; }
.cards-grid .reveal:nth-child(5) { transition-delay: 320ms; }
.cards-grid .reveal:nth-child(6) { transition-delay: 400ms; }

.timeline .reveal:nth-child(1) { transition-delay: 0ms; }
.timeline .reveal:nth-child(2) { transition-delay: 120ms; }
.timeline .reveal:nth-child(3) { transition-delay: 240ms; }
.timeline .reveal:nth-child(4) { transition-delay: 360ms; }

/* ───────────────────────────────────────────
   NAVIGATION
─────────────────────────────────────────── */
.nav-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--transition-base), backdrop-filter var(--transition-base), box-shadow var(--transition-base);
}

.nav-wrapper.scrolled {
  background: rgba(244, 246, 249, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

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

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}

.logo-mfg {
  color: var(--color-text-dark);
  font-weight: 300;
}

.logo-india {
  color: var(--color-saffron);
  font-weight: 800;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 0.875rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-mid);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: calc(100% - 1.75rem);
  height: 2px;
  background: var(--color-saffron);
  border-radius: 2px;
  transition: transform var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text-dark);
}

.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-link:hover::after {
  transform: translateX(-50%) scaleX(0.6);
}

.nav-cta {
  margin-left: 0.5rem;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  z-index: 1010;
}

.hamburger-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-dark);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  transform-origin: center;
}

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

/* ───────────────────────────────────────────
   HERO
─────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-bg-light);
  overflow: hidden;
  padding-top: var(--nav-height);
}

/* Animated orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-orb--1 {
  width: 500px;
  height: 500px;
  background: rgba(255, 107, 53, 0.1);
  top: -100px;
  right: -100px;
  animation: orb-float 8s ease-in-out infinite;
}

.hero-orb--2 {
  width: 350px;
  height: 350px;
  background: rgba(255, 107, 53, 0.06);
  bottom: -50px;
  left: -80px;
  animation: orb-float 11s ease-in-out infinite reverse;
}

@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

/* India map watermark */
.hero-map {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: min(40vw, 420px);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-block: 5rem;
}

.hero-eyebrow {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-saffron);
  margin-bottom: 1.25rem;
}

.hero-headline {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-text-dark);
  margin-bottom: 1.5rem;
  max-width: 16ch;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text-mid);
  font-weight: 400;
  line-height: 1.7;
  max-width: 55ch;
  margin-bottom: 2.5rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

/* Trust strip */
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-mid);
  padding: 1rem 1.5rem;
  background: var(--color-white);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  max-width: fit-content;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.trust-icon {
  color: var(--color-saffron);
  display: flex;
}

.trust-divider {
  color: rgba(0, 0, 0, 0.15);
  font-size: 1rem;
  display: none;
}

/* ───────────────────────────────────────────
   STATISTICS STRIP
─────────────────────────────────────────── */
.stats-section {
  background: var(--color-bg-light);
  padding: var(--section-padding);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

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

.stat-card {
  padding: 2rem 1.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  background: var(--color-white);
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-saffron);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.stat-number {
  font-size: clamp(2.25rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--color-saffron);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 0.25rem;
}

.stat-sub {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ───────────────────────────────────────────
   WHY INDIA
─────────────────────────────────────────── */
.why-india {
  padding: var(--section-padding);
}

.why-india .section-title {
  color: var(--color-text-dark);
}

.feature-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-saffron);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(255, 107, 53, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-saffron);
  transition: background var(--transition-base);
}

.feature-card:hover .feature-icon {
  background: rgba(255, 107, 53, 0.2);
}

.feature-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 0.625rem;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--color-text-mid);
  line-height: 1.65;
}

/* ───────────────────────────────────────────
   SECTORS
─────────────────────────────────────────── */
.sectors-section {
  background: var(--color-bg-light);
  padding: var(--section-padding);
}

.sector-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 0, 0, 0.07);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  cursor: pointer;
  min-height: 280px;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.sector-card:hover,
.sector-card:focus-visible,
.sector-card.is-active {
  border-color: var(--color-saffron);
  box-shadow: 0 0 0 1px var(--color-saffron), var(--shadow-card-hover);
  outline: none;
}

.sector-card:focus-visible {
  outline: 3px solid var(--color-saffron);
  outline-offset: 3px;
}

.sector-card-front {
  padding: 2rem 1.75rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.sector-card-back {
  position: absolute;
  inset: 0;
  padding: 2rem 1.75rem;
  background: linear-gradient(135deg, var(--color-saffron-dark) 0%, var(--color-saffron) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.sector-card:hover .sector-card-back,
.sector-card:focus-visible .sector-card-back,
.sector-card.is-active .sector-card-back {
  transform: translateY(0);
}

.sector-card:hover .sector-card-front,
.sector-card:focus-visible .sector-card-front,
.sector-card.is-active .sector-card-front {
  opacity: 0;
  pointer-events: none;
}

.sector-card-back p {
  color: var(--color-white);
  font-size: 0.9375rem;
  line-height: 1.7;
  font-weight: 400;
}

.sector-learn-more {
  font-size: 0.875rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sector-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 107, 53, 0.15);
  border-radius: var(--radius-md);
  color: var(--color-saffron);
  margin-bottom: 1rem;
}

.sector-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-saffron);
  background: rgba(255, 107, 53, 0.12);
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  margin-bottom: 0.875rem;
  max-width: fit-content;
}

.sector-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 0.5rem;
}

.sector-tagline {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ───────────────────────────────────────────
   GOVERNMENT INITIATIVES — TIMELINE
─────────────────────────────────────────── */
.initiatives-section {
  padding: var(--section-padding);
}

.initiatives-section .section-title {
  color: var(--color-text-dark);
}

.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 52px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-saffron), rgba(255, 107, 53, 0.1));
}

.timeline-item {
  display: grid;
  grid-template-columns: 104px 1fr;
  gap: 1.5rem;
  padding-bottom: 2.5rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding-top: 0.25rem;
}

.timeline-year {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--color-saffron);
  background: rgba(255, 107, 53, 0.12);
  border: 1px solid rgba(255, 107, 53, 0.25);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

.timeline-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-saffron);
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.timeline-content {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  border: 1px solid rgba(0, 0, 0, 0.07);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.timeline-content:hover {
  transform: translateX(6px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.timeline-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-saffron);
  background: rgba(255, 107, 53, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.5rem;
}

.timeline-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 0.625rem;
}

.timeline-body {
  font-size: 0.9rem;
  color: var(--color-text-mid);
  line-height: 1.65;
}

/* ───────────────────────────────────────────
   INFRASTRUCTURE
─────────────────────────────────────────── */
.infra-section {
  background: var(--color-bg-light);
  padding: var(--section-padding);
}

.infra-card {
  padding: 2rem 1.75rem;
  border-radius: var(--radius-md);
  background: var(--color-white);
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.infra-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-saffron);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.infra-metric {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 900;
  color: var(--color-saffron);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.625rem;
}

.infra-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 0.5rem;
}

.infra-desc {
  font-size: 0.875rem;
  color: var(--color-text-mid);
  line-height: 1.6;
}

/* ───────────────────────────────────────────
   CONTACT & NEWSLETTER
─────────────────────────────────────────── */
.contact-section {
  padding: var(--section-padding);
}

.contact-section .section-title {
  color: var(--color-text-dark);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

/* Inquiry Form */
.contact-form-wrapper {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.08);
}

.contact-sub-heading {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 1.75rem;
}

/* Form elements */
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  margin-bottom: 1rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

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

.form-group label span {
  color: var(--color-saffron);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem 1rem;
  border: 1.5px solid rgba(0, 0, 0, 0.15);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--color-text-dark);
  background: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394A3B8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-saffron);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.12);
}

.form-group input[aria-invalid="true"],
.form-group select[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] {
  border-color: #E53E3E;
  box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

.form-group input[aria-invalid="false"],
.form-group select[aria-invalid="false"],
.form-group textarea[aria-invalid="false"] {
  border-color: #38A169;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.textarea-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.field-error {
  font-size: 0.8rem;
  color: #E53E3E;
  font-weight: 500;
  min-height: 1.2em;
}

.char-counter {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-submit {
  margin-top: 1.5rem;
  width: 100%;
  padding: 1rem;
}

.btn-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.form-success {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: rgba(56, 161, 105, 0.1);
  border: 1px solid rgba(56, 161, 105, 0.3);
  border-radius: var(--radius-sm);
  color: #276749;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.form-success--sm {
  font-size: 0.875rem;
  padding: 0.75rem 1rem;
  margin-top: 0.75rem;
  margin-bottom: 0;
}

/* Sidebar */
.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.newsletter-box {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  border: 1px solid rgba(0, 0, 0, 0.07);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.07);
}

.newsletter-heading {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 0.5rem;
}

.newsletter-sub {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.newsletter-form .form-group input {
  background: var(--color-bg-light);
  border-color: rgba(0, 0, 0, 0.15);
  color: var(--color-text-dark);
}

.newsletter-form .form-group input::placeholder {
  color: var(--color-text-muted);
}

.newsletter-form .form-group input:focus {
  border-color: var(--color-saffron);
  background: var(--color-white);
}

.newsletter-form .form-success {
  background: rgba(56, 161, 105, 0.1);
  border-color: rgba(56, 161, 105, 0.3);
  color: #276749;
}

.contact-info {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.07);
}

.contact-info-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 1rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.contact-details li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: var(--color-text-mid);
}

.contact-details li svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-saffron);
}

.contact-details a {
  color: var(--color-saffron);
  font-weight: 600;
}

.contact-details a:hover {
  text-decoration: underline;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-text-dark);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.social-link:hover {
  background: var(--color-saffron);
  transform: translateY(-2px);
}

.social-link:focus-visible {
  outline: 3px solid var(--color-saffron);
  outline-offset: 3px;
}

/* ───────────────────────────────────────────
   FOOTER
─────────────────────────────────────────── */
.footer {
  background: #E8EBF0;
  border-top: 1px solid rgba(0, 0, 0, 0.09);
  padding: 3rem 0;
}

.footer-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.footer-brand .nav-logo {
  margin-bottom: 0.5rem;
  font-size: 1.375rem;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

.footer-legal p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.footer-legal .footer-disclaimer {
  margin-top: 0.375rem;
  font-size: 0.75rem;
  color: rgba(148, 163, 184, 0.6);
}

/* ───────────────────────────────────────────
   RESPONSIVE — TABLET (768px+)
─────────────────────────────────────────── */
@media (min-width: 768px) {

  :root {
    --container-padding: 2rem;
    --section-padding: 6rem 0;
  }

  /* Trust strip dividers */
  .trust-divider {
    display: block;
  }

  /* Stats: 2-3 col */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Cards grid: 2-col */
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Form row: 2-col */
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Contact: sidebar visible */
  .footer-layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  /* Timeline: wider */
  .timeline::before {
    left: 60px;
  }

  .timeline-item {
    grid-template-columns: 120px 1fr;
  }
}

/* ───────────────────────────────────────────
   RESPONSIVE — DESKTOP (1024px+)
─────────────────────────────────────────── */
@media (min-width: 1024px) {

  :root {
    --container-padding: 2.5rem;
    --section-padding: 7rem 0;
  }

  /* Nav: show full menu */
  .nav-hamburger {
    display: none !important;
  }

  .nav-menu {
    display: flex !important;
    position: static !important;
    background: transparent !important;
    border: none !important;
    flex-direction: row !important;
    padding: 0 !important;
    max-height: none !important;
    overflow: visible !important;
  }

  /* Stats: 5-col */
  .stats-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  /* Cards: 3-col */
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Contact: 3fr + 2fr */
  .contact-layout {
    grid-template-columns: 3fr 2fr;
    align-items: start;
  }

  /* Footer: 3-col */
  .footer-layout {
    grid-template-columns: 2fr 1fr 2fr;
    align-items: start;
  }
}

/* ───────────────────────────────────────────
   RESPONSIVE — WIDE (1280px+)
─────────────────────────────────────────── */
@media (min-width: 1280px) {

  :root {
    --container-padding: 3rem;
    --section-padding: 8rem 0;
  }
}

/* ───────────────────────────────────────────
   MOBILE NAV
─────────────────────────────────────────── */
@media (max-width: 1023px) {

  .nav-hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(244, 246, 249, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    flex-direction: column;
    padding: 1.25rem 1.5rem 2rem;
    gap: 0.25rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
  }

  .nav-menu.is-open {
    max-height: 500px;
    padding: 1.25rem 1.5rem 2rem;
  }

  .nav-link {
    display: block;
    padding: 0.875rem 1rem;
    font-size: 1.0625rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.07);
  }

  .nav-link::after {
    display: none;
  }

  .nav-cta {
    margin-top: 0.75rem;
    margin-left: 0;
    width: 100%;
    text-align: center;
  }
}

/* ───────────────────────────────────────────
   PREFERS REDUCED MOTION
─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-orb {
    animation: none;
  }

  .sector-card-back {
    transition: none;
  }
}