/* =========================
   Global Styles
   ========================= */
:root {
  --color-bg: #f8fafc;
  --color-bg-alt: #f1f5f9;
  --color-surface: #ffffff;
  --color-surface-alt: #f8fafc;
  --color-primary: #6366f1;
  --color-primary-soft: rgba(99, 102, 241, 0.1);
  --color-accent: #10b981;
  --color-accent-alt: #06b6d4;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --shadow-soft: 0 20px 50px rgba(0, 0, 0, 0.08);
  --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.2);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-med: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background: 
    radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(16, 185, 129, 0.06) 0%, transparent 50%),
    linear-gradient(180deg, #f8fafc 0%, #f1f5f9 50%, #f8fafc 100%);
  background-attachment: fixed;
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
}

/* Typography & utilities */
h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 0.75rem;
  color: var(--color-text-muted);
}

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

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

.section {
  padding: 5rem 1.25rem;
}

.section-alt {
  background: 
    radial-gradient(circle at top left, rgba(99, 102, 241, 0.04) 0%, transparent 60%),
    linear-gradient(180deg, #f1f5f9 0%, #f8fafc 100%);
  position: relative;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
}

/* =========================
   Header / Nav
   ========================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85), transparent);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.9;
}

.logo-image {
  width: 40px;
  height: 40px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  background: #ffffff;
  border-radius: 8px;
  padding: 4px;
  box-sizing: border-box;
}

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

.logo-title {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #0f172a;
  font-weight: 700;
}

.logo-subtitle {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

/* Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.87rem;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.4rem;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--color-text-muted);
  position: relative;
  padding-bottom: 0.1rem;
  transition: color var(--transition-fast);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 0;
  height: 2.5px;
  border-radius: 999px;
  background: linear-gradient(to right, #6366f1, #10b981);
  transition: width var(--transition-med);
  box-shadow: 0 0 8px rgba(99, 102, 241, 0.4);
}

.main-nav a:hover {
  color: #0f172a;
}

.main-nav a:hover::after {
  width: 100%;
}

/* Nav toggle (mobile) */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1.5px solid rgba(99, 102, 241, 0.3);
  background: rgba(255, 255, 255, 0.9);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
  backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.nav-toggle:hover {
  border-color: rgba(99, 102, 241, 0.5);
  background: rgba(99, 102, 241, 0.05);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: #475569;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(3.5px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* =========================
   Buttons
   ========================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0.6rem 1.35rem;
  font-weight: 500;
  transition: background var(--transition-med), color var(--transition-med),
    box-shadow var(--transition-med), transform 0.12s ease-out,
    border-color var(--transition-med);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1 0%, #818cf8 50%, #a78bfa 100%);
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3), 0 0 20px rgba(99, 102, 241, 0.15);
  font-weight: 600;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4), 0 0 30px rgba(99, 102, 241, 0.2);
  background: linear-gradient(135deg, #7c7ff5 0%, #a5b4fc 50%, #c4b5fd 100%);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.8);
  color: #475569;
  border: 1.5px solid rgba(226, 232, 240, 0.8);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: #6366f1;
  background: rgba(99, 102, 241, 0.05);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
  color: #6366f1;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.6);
  color: #475569;
  border: 1.5px solid rgba(226, 232, 240, 0.6);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.05);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.btn-sm {
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 0.8rem 1.6rem;
  font-size: 0.95rem;
}

.btn-full {
  width: 100%;
}

/* =========================
   Hero
   ========================= */
.hero-section {
  position: relative;
  padding: 5rem 1.25rem 4rem;
  color: #0f172a;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: -100px;
  background:
    radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.12), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.1), transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.08), transparent 70%);
  opacity: 1;
  pointer-events: none;
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
  max-width: 1120px;
  margin: 0 auto;
  grid-template-columns: minmax(0, 1.58fr) minmax(0, 1.1fr);
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2.1rem, 3vw + 1.2rem, 3rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-content .accent {
  background: linear-gradient(135deg, #6366f1 0%, #a78bfa 50%, #10b981 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 200%;
  animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-content p {
  max-width: 560px;
  font-size: 0.98rem;
  margin-bottom: 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.8rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
}

.stat-item {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 18px;
  padding: 0.9rem 1.1rem;
  min-width: 120px;
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  border-color: rgba(99, 102, 241, 0.4);
}

.stat-value {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
  background: linear-gradient(135deg, #6366f1, #10b981);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

/* Hero side card */
.hero-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.98) 100%);
  border-radius: 28px;
  padding: 2rem 1.8rem;
  border: 1.5px solid rgba(99, 102, 241, 0.2);
  box-shadow: var(--shadow-soft), 0 0 40px rgba(99, 102, 241, 0.1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -80px;
  background: radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.15), transparent 60%);
  opacity: 0.6;
  pointer-events: none;
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-card > * {
  position: relative;
  z-index: 1;
}

.hero-card h2 {
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
}

.hero-card-text {
  font-size: 0.9rem;
  margin-bottom: 1.1rem;
}

.hero-card-list {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 0;
  font-size: 0.9rem;
}

.hero-card-list li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.35rem;
  color: #475569;
}

.hero-card-list i {
  color: #10b981;
  filter: drop-shadow(0 0 4px rgba(16, 185, 129, 0.5));
}

/* =========================
   Sections / Cards / Grid
   ========================= */
.section-header {
  text-align: center;
  margin-bottom: 2.4rem;
}

.section-header h2 {
  font-size: 2rem;
  margin-bottom: 0.6rem;
  background: linear-gradient(135deg, #0f172a 0%, #475569 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-header p {
  max-width: 640px;
  margin: 0.25rem auto 0;
  font-size: 0.95rem;
}

.grid {
  display: grid;
  gap: 1.7rem;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.98) 100%);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.6rem;
  border: 1.5px solid rgba(99, 102, 241, 0.2);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08), 0 0 30px rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.4);
}

.card::before {
  content: "";
  position: absolute;
  inset: -60px;
  opacity: 0.2;
  background: radial-gradient(circle at top left, rgba(99, 102, 241, 0.3), transparent 60%);
  pointer-events: none;
  transition: opacity var(--transition-med);
}

.card:hover::before {
  opacity: 0.3;
}

.card > * {
  position: relative;
  z-index: 1;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.45rem;
}

.card p {
  font-size: 0.9rem;
}

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(167, 139, 250, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.25);
}

.card-icon i {
  color: #6366f1;
  font-size: 1.3rem;
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  font-size: 0.86rem;
}

.card-list li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.3rem;
  color: var(--color-text-muted);
}

.card-list i {
  color: #10b981;
}

/* =========================
   About Section
   ========================= */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.2fr);
  gap: 2rem;
  align-items: flex-start;
}

.about-text p {
  font-size: 0.9rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
  margin-top: 1.6rem;
}

.about-item {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
}

.about-item i {
  margin-top: 2px;
  color: #6366f1;
  font-size: 1.2rem;
}

.about-item h4 {
  font-size: 0.95rem;
  margin-bottom: 0.1rem;
}

.about-item p {
  font-size: 0.82rem;
}

/* About side panel */
.about-panel {
  position: relative;
}

.about-panel-inner {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.98) 100%);
  border-radius: 24px;
  padding: 2rem 1.6rem;
  border: 1.5px solid rgba(99, 102, 241, 0.2);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
}

.about-panel-inner h3 {
  font-size: 1.15rem;
  margin-bottom: 0.9rem;
}

.about-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.86rem;
  counter-reset: step-counter;
}

.about-steps li {
  padding: 0.8rem 0.8rem 0.8rem 0;
  border-bottom: 1px dashed rgba(99, 102, 241, 0.2);
  position: relative;
  padding-left: 2rem;
}

.about-steps li::before {
  content: counter(step-counter);
  counter-increment: step-counter;
  position: absolute;
  left: 0;
  top: 0.8rem;
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, #6366f1, #818cf8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffffff;
  box-shadow: 0 3px 10px rgba(99, 102, 241, 0.3);
}

.about-steps li:last-child {
  border-bottom: none;
}

.step-title {
  display: block;
  font-weight: 500;
  color: #0f172a;
}

.step-desc {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* =========================
   Fleet
   ========================= */
.fleet-card h3 {
  margin-bottom: 0.3rem;
}

/* =========================
   Why NSS
   ========================= */
.why-card {
  text-align: left;
}

.why-icon {
  font-size: 1.6rem;
  margin-bottom: 0.8rem;
  color: #6366f1;
  transition: transform var(--transition-fast);
}

.why-card:hover .why-icon {
  transform: scale(1.15) rotate(5deg);
}

/* =========================
   Contact
   ========================= */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.4fr);
  gap: 2rem;
  align-items: flex-start;
}

.contact-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.contact-item {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.98) 100%);
  border-radius: 22px;
  padding: 2rem 1.5rem;
  border: 1.5px solid rgba(99, 102, 241, 0.2);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
  backdrop-filter: blur(10px);
}

.contact-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.08), 0 0 30px rgba(99, 102, 241, 0.2);
  border-color: rgba(99, 102, 241, 0.4);
}

.contact-icon {
  width: 70px;
  height: 70px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(16, 185, 129, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  border: 1.5px solid rgba(99, 102, 241, 0.2);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.15);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-item:hover .contact-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.25);
}

.contact-icon i {
  font-size: 1.6rem;
  color: #6366f1;
}

.contact-content {
  flex: 1;
  width: 100%;
}

.contact-content h4 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: #0f172a;
  font-weight: 600;
}

.contact-content p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.6;
}

.contact-content a {
  color: #6366f1;
  text-decoration: none;
  transition: color var(--transition-fast);
  font-weight: 500;
}

.contact-content a:hover {
  color: #818cf8;
  text-decoration: underline;
}

.contact-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Contact Map */
.contact-map {
  width: 100%;
  height: 200px;
  border-radius: 12px;
  overflow: hidden;
  margin-top: 1rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.15);
  background: var(--color-surface);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* Contact form card */
.contact-form-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.98) 100%);
  border-radius: 22px;
  padding: 1.4rem 1.3rem 1.5rem;
  border: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: var(--shadow-soft);
}

.contact-form-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.9rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-group label {
  font-size: 0.8rem;
  color: #475569;
}

.form-group input,
.form-group textarea {
  background: #ffffff;
  border-radius: 10px;
  border: 1px solid rgba(226, 232, 240, 0.8);
  padding: 0.55rem 0.75rem;
  font-size: 0.85rem;
  color: #1e293b;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition-med),
    box-shadow var(--transition-med), background var(--transition-med);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #94a3b8;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  background: #ffffff;
}

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

.form-status {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.3rem;
  min-height: 1.2rem;
  transition: color var(--transition-fast);
}

.form-status-success {
  color: #22c55e;
}

.form-status-error {
  color: #ef4444;
}

.btn-loader {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-loader i {
  font-size: 0.9rem;
}

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

/* =========================
   Footer
   ========================= */
.site-footer {
  border-top: 1px solid rgba(226, 232, 240, 0.8);
  padding: 2rem 1.25rem 1.5rem;
  margin-top: 2rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, #f8fafc 100%);
  backdrop-filter: blur(20px);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.footer-brand {
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #0f172a;
  font-weight: 700;
}

.footer-text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-right {
  font-size: 0.8rem;
}

.footer-link {
  color: #64748b;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #6366f1;
}

.footer-bottom {
  max-width: 1120px;
  margin: 0.75rem auto 0;
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: #94a3b8;
  gap: 0.75rem;
}

.footer-bottom-links a {
  color: #94a3b8;
}

.footer-bottom-links a:hover {
  color: #475569;
}

/* =========================
   Responsive
   ========================= */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-card {
    max-width: 380px;
    margin: 0 auto;
  }

  .about-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .contact-details {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding-inline: 1rem;
  }

  .main-nav {
    position: absolute;
    inset-inline: 1rem;
    top: calc(100% + 0.6rem);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 250, 252, 0.98) 100%);
    border-radius: 20px;
    border: 1.5px solid rgba(99, 102, 241, 0.2);
    flex-direction: column;
    padding: 1rem 1.1rem;
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.15), 0 0 30px rgba(99, 102, 241, 0.1);
    backdrop-filter: blur(20px);
    transform-origin: top;
    transform: scaleY(0.6);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-med), opacity var(--transition-med);
  }

  .main-nav.open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0.7rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-section {
    padding-top: 3.8rem;
  }

  .about-highlights {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .section {
    padding-inline: 1rem;
  }

  .form-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-stats {
    gap: 0.9rem;
  }

  .stat-item {
    min-width: 0;
    flex: 1 1 90px;
  }

  .contact-details {
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
  }

  .contact-item {
    padding: 1.25rem;
  }

  .contact-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 0.75rem;
  }

  .contact-icon i {
    font-size: 1.25rem;
  }

  .contact-map {
    height: 180px;
    border-radius: 10px;
  }
}