/* ============================================================
   AASHVIKA LLC — MAIN STYLESHEET
   Modern, Professional, Responsive
   ============================================================ */

/* ---------- CSS CUSTOM PROPERTIES ---------- */
:root {
  /* Colors */
  --color-primary:       #1a6cf6;
  --color-primary-dark:  #1254c4;
  --color-primary-light: #4d8ff8;
  --color-accent:        #06b6d4;
  --color-dark:          #0f172a;
  --color-dark-2:        #1e293b;
  --color-dark-3:        #334155;
  --color-mid:           #64748b;
  --color-light:         #f1f5f9;
  --color-lighter:       #f8fafc;
  --color-white:         #ffffff;
  --color-border:        #e2e8f0;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1a6cf6 0%, #06b6d4 100%);
  --gradient-dark:    linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  --gradient-hero:    linear-gradient(160deg, #0f172a 0%, #0d2a52 60%, #0f3460 100%);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs:   0.75rem;
  --font-size-sm:   0.875rem;
  --font-size-base: 1rem;
  --font-size-lg:   1.125rem;
  --font-size-xl:   1.25rem;
  --font-size-2xl:  1.5rem;
  --font-size-3xl:  1.875rem;
  --font-size-4xl:  2.25rem;
  --font-size-5xl:  3rem;
  --font-size-6xl:  3.75rem;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Borders & Shadows */
  --radius-sm:  0.375rem;
  --radius-md:  0.75rem;
  --radius-lg:  1rem;
  --radius-xl:  1.5rem;
  --radius-full: 9999px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg:  0 10px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.08);
  --shadow-xl:  0 20px 60px rgba(0,0,0,0.16);
  --shadow-blue: 0 8px 32px rgba(26,108,246,0.30);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  color: var(--color-dark);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

/* ---------- UTILITY CLASSES ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(26,108,246,0.08);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section-label.light {
  color: var(--color-accent);
  background: rgba(6,182,212,0.15);
}

.section-title {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-dark);
  letter-spacing: -0.02em;
}

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

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-mid);
  max-width: 600px;
  margin: var(--space-4) auto 0;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 600;
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(26,108,246,0.40);
}

.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: var(--color-white);
  border: 1.5px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.45);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  font-weight: 700;
}

.btn-white:hover {
  background: var(--color-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--color-white);
  flex-shrink: 0;
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.01em;
}

.logo-accent {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

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

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

.nav-cta-btn {
  padding: var(--space-2) var(--space-5);
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-blue);
}

.nav-cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(26,108,246,0.45);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-height) + var(--space-16)) var(--space-6) var(--space-20);
}

/* Decorative background shapes */
.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
}

.shape-1 {
  width: 600px;
  height: 600px;
  background: var(--color-primary);
  top: -200px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.shape-2 {
  width: 400px;
  height: 400px;
  background: var(--color-accent);
  bottom: -100px;
  left: -100px;
  animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
  width: 300px;
  height: 300px;
  background: #7c3aed;
  top: 40%;
  left: 30%;
  animation: float 12s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) scale(1); }
  50%       { transform: translateY(-30px) scale(1.05); }
}

.hero-container {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(26,108,246,0.2);
  border: 1px solid rgba(26,108,246,0.4);
  color: var(--color-accent);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
  backdrop-filter: blur(8px);
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.4); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, var(--font-size-6xl));
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: clamp(var(--font-size-base), 2vw, var(--font-size-xl));
  color: rgba(255,255,255,0.70);
  max-width: 640px;
  margin: 0 auto var(--space-10);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-16);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
}

.stat-label {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.55);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.40);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: fadeInUp 1s ease 1s both;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255,255,255,0.30);
  border-bottom: 2px solid rgba(255,255,255,0.30);
  transform: rotate(45deg);
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50%       { transform: rotate(45deg) translateY(6px); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about {
  padding: var(--space-24) 0;
  background: var(--color-lighter);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-16);
  align-items: center;
}

/* Visual side */
.about-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 360px;
}

.about-card-stack {
  position: relative;
  width: 280px;
  height: 280px;
}

.about-card {
  position: absolute;
  width: 220px;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
  font-weight: 600;
  color: var(--color-dark-2);
  font-size: var(--font-size-sm);
  border: 1px solid var(--color-border);
}

.about-card-back {
  top: 0;
  left: 0;
  transform: rotate(-6deg);
  background: linear-gradient(135deg, #f0f7ff, #e8f4fd);
  z-index: 1;
}

.about-card-front {
  bottom: 0;
  right: 0;
  transform: rotate(4deg);
  z-index: 2;
  background: var(--color-white);
}

.card-icon-lg {
  font-size: 2.5rem;
}

.about-badge-float {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  box-shadow: var(--shadow-blue);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Content side */
.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.about-text {
  font-size: var(--font-size-base);
  color: var(--color-mid);
  line-height: 1.8;
}

.about-text strong {
  color: var(--color-dark);
  font-weight: 700;
}

.about-pillars {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-4);
}

.pillar {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.pillar-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: rgba(26,108,246,0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pillar strong {
  display: block;
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-1);
}

.pillar p {
  font-size: var(--font-size-sm);
  color: var(--color-mid);
  line-height: 1.6;
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services {
  padding: var(--space-24) 0;
  background: var(--color-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.service-card {
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--color-border);
  background: var(--color-white);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card-featured {
  background: var(--gradient-dark);
  border-color: transparent;
  box-shadow: var(--shadow-xl);
  transform: translateY(-12px);
}

.service-card-featured::before {
  transform: scaleX(1);
}

.service-card-featured:hover {
  transform: translateY(-20px);
}

.service-card-inner {
  padding: var(--space-8);
  position: relative;
}

.featured-badge {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  background: var(--gradient-primary);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
}

.service-icon-wrap {
  width: 60px;
  height: 60px;
  background: rgba(26,108,246,0.08);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  transition: background var(--transition-base);
}

.service-card-featured .service-icon-wrap {
  background: rgba(255,255,255,0.10);
}

.service-card:hover .service-icon-wrap {
  background: rgba(26,108,246,0.12);
}

.service-icon {
  font-size: 1.75rem;
}

.service-number {
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.service-card-featured .service-number {
  color: var(--color-accent);
}

.service-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}

.service-card-featured .service-title {
  color: var(--color-white);
}

.service-desc {
  font-size: var(--font-size-sm);
  color: var(--color-mid);
  line-height: 1.75;
  margin-bottom: var(--space-6);
}

.service-card-featured .service-desc {
  color: rgba(255,255,255,0.65);
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.service-features li {
  font-size: var(--font-size-sm);
  color: var(--color-dark-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 500;
}

.service-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.service-card-featured .service-features li {
  color: rgba(255,255,255,0.75);
}

.service-card-featured .service-features li::before {
  background: var(--color-accent);
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  transition: gap var(--transition-base);
}

.service-card-featured .service-link {
  color: var(--color-accent);
}

.service-link:hover {
  gap: var(--space-3);
}

/* ============================================================
   WHY US SECTION
   ============================================================ */
.why-us {
  padding: var(--space-24) 0;
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
}

.why-us::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: var(--color-primary);
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
}

.why-us-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

.why-us-text {
  font-size: var(--font-size-base);
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin: var(--space-5) 0 var(--space-8);
}

.why-us-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.feature-check {
  width: 28px;
  height: 28px;
  background: rgba(26,108,246,0.25);
  border: 1px solid rgba(26,108,246,0.5);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-item strong {
  display: block;
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-1);
}

.feature-item p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

/* ============================================================
   CONTACT / FOOTER
   ============================================================ */
.contact-footer {
  background: var(--color-dark);
  padding: var(--space-20) 0 0;
  color: var(--color-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--space-10);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
  margin-bottom: var(--space-4);
}

.contact-tagline {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.50);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  max-width: 260px;
}

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: rgba(255,255,255,0.60);
  transition: all var(--transition-base);
}

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

.contact-heading {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.contact-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-label {
  display: block;
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.40);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}

.contact-value {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.80);
  font-weight: 500;
  transition: color var(--transition-fast);
}

a.contact-value:hover {
  color: var(--color-accent);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.55);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-links a::before {
  content: '→';
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  opacity: 0;
  transform: translateX(-4px);
  transition: all var(--transition-base);
}

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

.footer-links a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.contact-cta-block p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.contact-btn {
  width: 100%;
  justify-content: center;
}

/* Footer bottom bar */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) 0;
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.30);
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-bottom-right {
  letter-spacing: 0.05em;
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-up:nth-child(2) { transition-delay: 0.1s; }
.fade-in-up:nth-child(3) { transition-delay: 0.2s; }

/* ============================================================
   RESPONSIVE — TABLET (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }

  .service-card-featured {
    transform: none;
  }

  .service-card-featured:hover {
    transform: translateY(-8px);
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .why-us-inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --space-24: 4rem;
    --space-20: 3rem;
    --space-16: 3rem;
  }

  /* Nav */
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: var(--space-4) 0 var(--space-8);
    transform: translateY(-110%);
    transition: transform var(--transition-slow);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

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

  .nav-links li {
    width: 100%;
    text-align: center;
  }

  .nav-link {
    display: block;
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-base);
  }

  .nav-cta-btn {
    margin: var(--space-4) var(--space-6) 0;
    display: block;
    text-align: center;
    padding: var(--space-3) var(--space-6);
  }

  /* Hero */
  .hero {
    padding: calc(var(--nav-height) + var(--space-10)) var(--space-4) var(--space-16);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .hero-stats {
    gap: var(--space-5);
  }

  .stat-divider {
    display: none;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .about-visual {
    min-height: 260px;
  }

  .about-card-stack {
    width: 240px;
    height: 240px;
  }

  .about-card {
    width: 190px;
  }

  /* Contact footer */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .about-card-stack {
    width: 200px;
    height: 200px;
  }

  .about-card {
    width: 160px;
    padding: var(--space-5);
  }

  .card-icon-lg {
    font-size: 2rem;
  }
}