/* ==========================================================================
   S.K. ENTERPRISES (DROP FIX) - OFFICIAL STYLESHEET
   Industry: Civil Contracting / Waterproofing Solutions / Structural Repair
   Location: Dwarka, New Delhi & Delhi NCR
   ========================================================================== */

:root {
  /* Brand Color Palette */
  --color-primary-900: #07172c;
  --color-primary-800: #0c2340;
  --color-primary-700: #12335c;
  --color-primary-600: #1a4980;
  --color-primary-500: #2563eb;
  
  /* Construction Accent Colors */
  --color-accent-orange: #f97316;
  --color-accent-orange-hover: #ea580c;
  --color-accent-amber: #f59e0b;
  --color-accent-teal: #0d9488;
  --color-whatsapp: #25d366;
  --color-whatsapp-dark: #128c7e;

  /* Neutral Surface Colors */
  --color-bg-light: #f8fafc;
  --color-bg-card: #ffffff;
  --color-bg-subtle: #f1f5f9;
  --color-border: #e2e8f0;
  --color-border-dark: #334155;

  /* Typography Colors */
  --color-text-main: #0f172a;
  --color-text-muted: #475569;
  --color-text-light: #94a3b8;
  --color-text-white: #ffffff;

  /* Shadows & Radius */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.05);
  --shadow-blue: 0 10px 25px -5px rgba(12, 35, 64, 0.15);
  --shadow-orange: 0 10px 20px -5px rgba(249, 115, 22, 0.35);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* Spacing Container */
  --container-max: 1240px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 85px;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  max-width: 100vw;
  overflow-x: hidden;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--color-text-main);
  background-color: var(--color-bg-light);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  max-width: 100vw;
  overflow-x: hidden;
}

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

input, button, textarea, select {
  font: inherit;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* --------------------------------------------------------------------------
   LAYOUT CONTAINERS
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (max-width: 768px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

.section {
  padding: 5rem 0;
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding: 3.5rem 0;
  }
}

.section-dark {
  background-color: var(--color-primary-900);
  color: var(--color-text-white);
}

.section-slate {
  background-color: var(--color-bg-subtle);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--color-primary-500);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.section-dark .section-badge {
  background-color: rgba(249, 115, 22, 0.15);
  color: var(--color-accent-orange);
  border-color: rgba(249, 115, 22, 0.3);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-primary-900);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

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

@media (max-width: 768px) {
  .section-title {
    font-size: 1.85rem;
  }
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

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

/* --------------------------------------------------------------------------
   BUTTONS & ACTION ELEMENTS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  text-align: center;
  line-height: 1;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: var(--color-accent-orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 14px 24px -6px rgba(249, 115, 22, 0.45);
}

.btn-secondary {
  background-color: var(--color-primary-800);
  color: var(--color-text-white);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background-color: var(--color-primary-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  border: 2px solid var(--color-primary-800);
  color: var(--color-primary-800);
  background-color: transparent;
}

.btn-outline:hover {
  background-color: var(--color-primary-800);
  color: var(--color-text-white);
}

.btn-white-outline {
  border: 2px solid rgba(255, 255, 255, 0.4);
  color: var(--color-text-white);
  background-color: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(4px);
}

.btn-white-outline:hover {
  border-color: var(--color-text-white);
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-text-white);
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
  box-shadow: 0 8px 20px -4px rgba(37, 211, 102, 0.45);
}

.btn-sm {
  font-size: 0.8125rem;
  padding: 0.55rem 1rem;
}

.btn-lg {
  font-size: 1.05rem;
  padding: 1rem 2rem;
}

.btn-icon {
  width: 1.15em;
  height: 1.15em;
  fill: currentColor;
}

/* --------------------------------------------------------------------------
   TOP TRUST BAR
   -------------------------------------------------------------------------- */
.top-bar {
  background-color: var(--color-primary-900);
  color: var(--color-text-light);
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.45rem 0;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-bar-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-bar-item a {
  color: var(--color-text-white);
  font-weight: 600;
}

.top-bar-item a:hover {
  color: var(--color-accent-orange);
}

.top-bar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #38bdf8;
  font-weight: 600;
}

@media (max-width: 900px) {
  .top-bar {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   STICKY NAVBAR & BRAND HEADER
   -------------------------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.98);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: 1.5rem;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  border-radius: var(--radius-sm);
  background-color: #07172c;
  padding: 2px;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.brand-info {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--color-primary-900);
  line-height: 1.15;
}

.brand-tagline {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-accent-orange);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-main);
  position: relative;
  padding: 0.35rem 0;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-accent-orange);
  transition: width var(--transition-normal);
}

.nav-link:hover {
  color: var(--color-primary-600);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}

.nav-phone-link {
  display: flex;
  flex-direction: column;
  text-align: right;
  margin-right: 0.5rem;
  white-space: nowrap;
}

.nav-phone-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  font-weight: 700;
  line-height: 1.2;
}

.nav-phone-number {
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--color-primary-800);
  line-height: 1.2;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}

.hamburger-line {
  width: 22px;
  height: 2px;
  background-color: var(--color-primary-900);
  margin: 3px 0;
  transition: all var(--transition-fast);
}

@media (max-width: 1180px) {
  .nav-phone-link {
    display: none;
  }
}

@media (max-width: 980px) {
  .nav-links, .nav-actions .btn {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .navbar-container {
    height: 70px;
    gap: 0.5rem;
  }
  .brand-logo {
    max-width: calc(100% - 56px);
    gap: 0.6rem;
    min-width: 0;
  }
  .brand-info {
    min-width: 0;
    overflow: hidden;
  }
  .brand-logo-img {
    height: 44px;
    flex-shrink: 0;
  }
  .brand-name {
    font-size: 1.1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .brand-tagline {
    font-size: 0.65rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

@media (max-width: 480px) {
  .brand-logo-img {
    height: 38px;
  }
  .brand-name {
    font-size: 0.95rem;
  }
  .brand-tagline {
    display: none;
  }
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(7, 23, 44, 0.98);
  backdrop-filter: blur(16px);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 999;
  overflow-y: auto;
}

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

.mobile-nav-link {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-white);
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-drawer-cta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

/* --------------------------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, #07172c 0%, #0c2340 50%, #102a4d 100%);
  color: var(--color-text-white);
  padding: 5.5rem 0 4.5rem 0;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.18) 0%, transparent 50%),
              radial-gradient(circle at 20% 80%, rgba(249, 115, 22, 0.12) 0%, transparent 40%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
}

.hero-trust-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background-color: rgba(249, 115, 22, 0.16);
  border: 1px solid rgba(249, 115, 22, 0.4);
  color: #fdba74;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  max-width: 100%;
  width: fit-content;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.hero-trust-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent-orange);
  box-shadow: 0 0 10px var(--color-accent-orange);
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
  color: var(--color-text-white);
}

.hero-title .text-highlight {
  background: linear-gradient(90deg, #fdba74 0%, #fb923c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.15rem;
  }
}

.hero-description {
  font-size: 1.125rem;
  line-height: 1.65;
  color: #cbd5e1;
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

@media (max-width: 540px) {
  .hero-stats-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

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

.hero-stat-number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-accent-orange);
  line-height: 1.1;
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.35;
  margin-top: 0.2rem;
}

/* Hero Showcase Card */
.hero-visual {
  position: relative;
}

.hero-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background-color: rgba(12, 35, 64, 0.7);
}

.hero-card-img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-card:hover .hero-card-img {
  transform: scale(1.02);
}

.hero-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.75rem;
  background: linear-gradient(180deg, transparent 0%, rgba(7, 23, 44, 0.95) 100%);
}

.hero-badge-tag {
  display: inline-block;
  background-color: var(--color-accent-orange);
  color: white;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

.hero-card-title {
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--color-text-white);
  margin-bottom: 0.25rem;
}

.hero-card-caption {
  font-size: 0.8125rem;
  color: #cbd5e1;
}

/* Floating Trust Pills */
.hero-float-pill {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  color: var(--color-primary-900);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 3;
}

.hero-float-pill.pill-top {
  top: -15px;
  left: -20px;
}

.hero-float-pill.pill-bottom {
  bottom: -20px;
  right: -20px;
}

@media (max-width: 768px) {
  .hero-float-pill {
    display: none;
  }
}

.pill-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: rgba(37, 99, 235, 0.12);
  color: var(--color-primary-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

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

.pill-title {
  font-size: 0.8125rem;
  font-weight: 800;
  line-height: 1.2;
}

.pill-sub {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   MARQUEE / LOGO STRIP BANNER
   -------------------------------------------------------------------------- */
.clients-marquee-section {
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
  padding: 2rem 0;
  overflow: hidden;
}

.marquee-heading {
  text-align: center;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.marquee-track {
  display: flex;
  gap: 3rem;
  align-items: center;
  animation: marquee 35s linear infinite;
  width: max-content;
}

.marquee-track:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.client-pill, .marquee-logo-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1.35rem;
  background-color: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--color-border);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.marquee-logo-pill:hover, .client-pill:hover {
  background-color: #ffffff;
  border-color: var(--color-primary-500);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.marquee-logo-icon {
  height: 26px;
  width: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.marquee-logo-icon svg {
  height: 24px;
  width: auto;
}

.marquee-logo-text {
  font-weight: 800;
  font-size: 0.875rem;
  color: var(--color-primary-900);
  letter-spacing: -0.01em;
}

.client-bullet {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent-orange);
}

/* --------------------------------------------------------------------------
   STICKY MOBILE CTA BAR (Fixed Bottom)
   -------------------------------------------------------------------------- */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.1);
  padding: 0.6rem 1rem;
}

@media (max-width: 768px) {
  .mobile-bottom-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.4rem;
    padding: 0.5rem 0.5rem;
  }
  body {
    padding-bottom: 75px;
  }
}

.mobile-bottom-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
  text-align: center;
  line-height: 1.15;
  gap: 0.2rem;
  white-space: nowrap;
}

.mobile-bottom-btn svg {
  width: 17px;
  height: 17px;
}

.mobile-bottom-btn.btn-call {
  background-color: var(--color-primary-800);
  color: var(--color-text-white);
}

.mobile-bottom-btn.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-text-white);
}

.mobile-bottom-btn.btn-visit {
  background-color: var(--color-accent-orange);
  color: var(--color-text-white);
}