/* style.css - Minimalist Luxury Monochrome Design System for Vector Pvt. Ltd. */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

/* --- DESIGN TOKENS --- */
:root {
  /* Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f6f6f9;
  --bg-tertiary: #efeff4;
  --text-primary: #000000;
  --text-secondary: #6e6e73;
  --text-muted: #86868b;
  --border-light: #000000;
  --border-dark: #000000;
  --border-width: 2px;
  --shadow-subtle: 4px 4px 0px rgba(0, 0, 0, 1);
  --shadow-medium: 8px 8px 0px rgba(0, 0, 0, 1);
  --card-radius: 0;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- RESET & BASIC STYLES --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #c1c1c7;
  border-radius: 0;
}
::-webkit-scrollbar-thumb:hover {
  background: #8e8e93;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

p {
  color: var(--text-secondary);
  font-size: 1rem;
}

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

/* Sub-headings and Overlines */
.overline {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.5rem;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 0;
  cursor: pointer;
  transition: var(--transition-smooth);
  gap: 0.5rem;
}

.btn-solid {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border: 1px solid var(--text-primary);
}

.btn-solid:hover {
  background-color: transparent;
  color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--text-primary);
}

.btn-outline:hover {
  background-color: var(--text-primary);
  box-shadow: var(--shadow-medium);
  transform: translate(-4px, -4px);
}

.btn-text {
  padding: 0;
  background: transparent;
  border: none;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-primary);
  position: relative;
}

.btn-text::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.btn-text:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* --- STICKY NAV & HEADER --- */
header.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition-smooth);
}

header.site-header.scrolled {
  padding: 0.4rem 0;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.header-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-icon {
  width: 32px;
  height: auto;
  filter: contrast(120%);
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

/* Desktop Navigation Menu */
.nav-menu ul {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
  transform: scaleX(1);
}

/* Mobile Hamburger Menu */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition-smooth);
}

/* Hamburger active transformation */
.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}
.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation Overlay */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background-color: var(--bg-primary);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: var(--transition-smooth);
  padding: 2rem;
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav ul {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.mobile-nav .nav-link {
  font-size: 2rem;
  font-weight: 600;
}

/* --- MAIN WORKSPACE PADDING --- */
main {
  margin-top: 75px; /* Offset for sticky nav */
}

/* --- HERO CAROUSEL SYSTEM --- */
.hero-carousel {
  position: relative;
  width: 100%;
  height: calc(100vh - 75px);
  overflow: hidden;
  background-color: #000;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  transform: scale(1.05);
  display: flex;
  align-items: center;
  z-index: 1;
}

.carousel-slide.active {
  opacity: 1;
  transform: scale(1);
  z-index: 2;
}

/* Slide Media (Pure black-and-white filters) */
.slide-media {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.slide-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(110%) brightness(55%);
}

/* Gradients for high contrast luxury styling */
.slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(0, 0, 0, 0.7) 100%);
  z-index: 2;
}

/* Slide Content */
.slide-content {
  position: relative;
  z-index: 3;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 4rem;
  width: 100%;
  color: var(--bg-primary);
}

.slide-content-inner {
  max-width: 700px;
  transform: translateY(30px);
  opacity: 0;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s, opacity 0.8s ease 0.4s;
}

.carousel-slide.active .slide-content-inner {
  transform: translateY(0);
  opacity: 1;
}

.slide-tag {
  color: #c1c1c7;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: inline-block;
  border-bottom: 2px solid var(--bg-primary);
  padding-bottom: 4px;
}

.slide-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.slide-desc {
  font-size: 1.15rem;
  color: #efeff4;
  margin-bottom: 2rem;
  max-width: 600px;
}

.slide-btn {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--bg-primary);
}

.slide-btn:hover {
  background-color: transparent;
  color: var(--bg-primary);
}

/* Carousel Controls */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 0;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--bg-primary);
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  backdrop-filter: blur(5px);
  transition: var(--transition-smooth);
}

.carousel-btn:hover {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border-color: var(--bg-primary);
}

.carousel-btn-prev {
  left: 2rem;
}

.carousel-btn-next {
  right: 2rem;
}

.carousel-indicators {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.8rem;
  z-index: 10;
  align-items: center;
}

.indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 0;
  background-color: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  padding: 0;
}

.indicator-dot.active {
  background-color: var(--bg-primary);
  width: 28px;
  border-radius: 0;
}

.carousel-play-toggle {
  position: absolute;
  bottom: 2.1rem;
  right: 4rem;
  z-index: 10;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--bg-primary);
  width: 36px;
  height: 36px;
  border-radius: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
  transition: var(--transition-smooth);
  font-size: 0.8rem;
}

.carousel-play-toggle:hover {
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* --- SECTIONS --- */
.section {
  padding: 6rem 2rem;
  max-width: 1300px;
  margin: 0 auto;
}

.section-alt {
  background-color: var(--bg-secondary);
  max-width: 100%;
}

.section-alt .section-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  margin-bottom: 4rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 1.5rem;
}

.section-title {
  font-size: 5vw;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -2px;
  color: var(--text-primary);
}

.section-desc {
  max-width: 600px;
  margin-top: 0.5rem;
  font-size: 1.05rem;
}

/* --- GRID SYSTEM --- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

/* Align vertically */
.align-center {
  align-items: center;
}

/* --- CORPORATE CARDS --- */
.card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 0;
  overflow: hidden;
  transition: var(--transition-smooth);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-medium);
  border-color: rgba(0, 0, 0, 0.15);
}

.card-img-wrap {
  width: 100%;
  height: 230px;
  overflow: hidden;
  position: relative;
  background-color: #000;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
  filter: grayscale(100%) contrast(105%);
}

.card:hover .card-img {
  transform: scale(1.08);
  filter: grayscale(100%) contrast(115%) brightness(95%);
}

.card-content {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-tag {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

.card-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1rem;
  line-height: 1.25;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-light);
  padding-top: 1.2rem;
}

/* --- STATS DASHBOARD --- */
.stats-banner {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  padding: 4rem 2rem;
  border-radius: 0;
  margin: 4rem 0;
  box-shadow: var(--shadow-medium);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}

.stat-item {
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.04em;
}

.stat-label {
  font-size: 0.9rem;
  color: #c1c1c7;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

/* --- SERVICES SHIPPING CALCULATOR --- */
.calculator-section {
  max-width: 900px;
  margin: 4rem auto 0 auto;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 0;
  padding: 3.5rem;
  box-shadow: var(--shadow-medium);
}

.calculator-title {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.calculator-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.calc-form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group-full {
  grid-column: span 2;
}

.form-label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.form-input, .form-select {
  padding: 1rem 1.2rem;
  border-radius: 0;
  border: var(--border-width) solid var(--border-dark);
  box-shadow: var(--shadow-subtle);
  font-size: 1rem;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: var(--transition-fast);
  width: 100%;
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--text-primary);
  background-color: var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

/* Range input styling */
.range-container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.range-input {
  flex-grow: 1;
  height: 6px;
  -webkit-appearance: none;
  background: var(--border-light);
  border-radius: 0;
  outline: none;
}

.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 0;
  background: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.range-input::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.range-val {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  width: 70px;
  text-align: right;
}

/* Calculator Output Results Panel */
.calc-results {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border-radius: 0;
  padding: 2.5rem;
  display: none;
  animation: fadeIn 0.5s ease forwards;
}

.results-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.results-title {
  font-size: 1.2rem;
  color: #c1c1c7;
  font-weight: 500;
}

.cost-display {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.results-breakdown {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  font-size: 0.9rem;
}

.breakdown-label {
  color: #c1c1c7;
  margin-bottom: 0.2rem;
}

.breakdown-val {
  font-weight: 600;
  font-size: 1.05rem;
}

/* --- INTERACTIVE FAQ ACCORDION --- */
.faq-container {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.faq-item {
  border: 1px solid var(--border-light);
  border-radius: 0;
  overflow: hidden;
  background-color: var(--bg-primary);
  transition: var(--transition-smooth);
}

.faq-item.active {
  border-color: rgba(0, 0, 0, 0.15);
  box-shadow: var(--shadow-subtle);
}

.faq-trigger {
  width: 100%;
  padding: 1.5rem 2rem;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-icon {
  position: relative;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background-color: var(--text-primary);
  transition: transform 0.3s ease;
}

/* Vertical line */
.faq-icon::before {
  width: 2px;
  height: 100%;
}

/* Horizontal line */
.faq-icon::after {
  width: 100%;
  height: 2px;
}

.faq-item.active .faq-icon::before {
  transform: rotate(90deg);
}

.faq-item.active .faq-icon::after {
  transform: rotate(180deg);
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  background-color: var(--bg-secondary);
}

.faq-content {
  padding: 2rem;
  border-top: 1px solid var(--border-light);
}

/* --- ABOUT TIMELINE SYSTEM --- */
.timeline-section {
  position: relative;
  max-width: 1000px;
  margin: 4rem auto 0 auto;
  padding: 2rem 0;
}

/* Central vertical line */
.timeline-section::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background-color: var(--border-light);
  transform: translateX(-50%);
}

.timeline-event {
  position: relative;
  width: 50%;
  padding: 2rem 3rem;
  margin-bottom: 2rem;
}

/* Alternating alignments */
.timeline-event:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-event:nth-child(even) {
  left: 50%;
  text-align: left;
}

/* Timeline center points */
.timeline-point {
  position: absolute;
  top: 3rem;
  width: 16px;
  height: 16px;
  border-radius: 0;
  background-color: var(--text-primary);
  border: 4px solid var(--bg-primary);
  box-shadow: 0 0 0 2px var(--border-light);
  z-index: 5;
  transition: var(--transition-smooth);
}

.timeline-event:nth-child(odd) .timeline-point {
  right: -8px;
}

.timeline-event:nth-child(even) .timeline-point {
  left: -8px;
}

.timeline-event:hover .timeline-point {
  background-color: var(--bg-primary);
  border-color: var(--text-primary);
  transform: scale(1.3);
}

/* Timeline Cards */
.timeline-card {
  background-color: var(--bg-primary);
  border: var(--border-width) solid var(--border-dark);
  border-radius: 0;
  padding: 2rem;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-smooth);
}

.timeline-card:hover {
  box-shadow: var(--shadow-medium);
  border-color: rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.timeline-year {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.timeline-headline {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  color: var(--text-primary);
}

/* --- FORMS STATE SYSTEM --- */
.contact-form {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 0;
  padding: 3rem;
  box-shadow: var(--shadow-medium);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.textarea-input {
  height: 150px;
  resize: vertical;
}

/* Valid input state cues */
.form-input:focus:invalid {
  border-color: #ff3b30;
}

/* --- FOOTER COMPONENT --- */
footer.site-footer {
  background-color: #000000;
  color: #ffffff;
  padding: 5rem 2rem 2rem 2rem;
  border-top: 1px solid var(--border-light);
}

.footer-container {
  max-width: 1300px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-brand .logo-text {
  color: #ffffff;
  font-size: 1.8rem;
}

.footer-brand .logo-icon {
  filter: invert(1) contrast(150%);
}

.footer-brand-desc {
  color: #a1a1a6;
  font-size: 0.95rem;
  max-width: 320px;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-links-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #ffffff;
}

.footer-links-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-link {
  color: #86868b;
  font-size: 0.95rem;
}

.footer-link:hover {
  color: #ffffff;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.newsletter-input {
  background-color: #1c1c1e;
  border: var(--border-width) solid #2c2c2e;
  color: #ffffff;
  padding: 0.8rem 1rem;
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  flex-grow: 1;
}

.newsletter-input:focus {
  outline: none;
  border-color: #ffffff;
  background-color: #2c2c2e;
}

.newsletter-btn {
  background-color: #ffffff;
  color: #000000;
  border: none;
  padding: 0 1.2rem;
  border-radius: 0;
  font-family: var(--font-heading);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.newsletter-btn:hover {
  background-color: #efeff4;
}

.footer-bottom {
  border-top: 1px solid #1c1c1e;
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.copyright {
  font-size: 0.85rem;
  color: #86868b;
}

.footer-bottom-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-bottom-link {
  color: #86868b;
  font-size: 0.85rem;
}

.footer-bottom-link:hover {
  color: #ffffff;
}

/* --- SCROLL REVEAL TRIGGERS --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }

/* CSS Animation Fades */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 1024px) {
  .hero-carousel {
    height: 520px;
  }
  
  .slide-title {
    font-size: 2.8rem;
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  
  .footer-brand {
    grid-column: span 2;
  }
}

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

  .nav-menu {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .hero-carousel {
    height: 480px;
  }

  .slide-content {
    padding: 0 2rem;
  }

  .slide-title {
    font-size: 2.2rem;
  }

  .carousel-btn {
    display: none; /* Hide arrow navigation buttons on smaller touch screens */
  }

  .carousel-play-toggle {
    right: 2rem;
  }

  .section {
    padding: 4rem 1rem;
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .stat-item {
    border-right: none;
  }

  .stat-item:nth-child(odd) {
    border-right: 1px solid rgba(255, 255, 255, 0.15);
  }

  .calculator-section {
    padding: 2rem 1.5rem;
  }

  .calc-form-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .range-container {
    flex-direction: column;
    align-items: stretch;
    gap: 0.8rem;
  }

  .range-val {
    text-align: left;
  }

  .results-breakdown {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .timeline-section::before {
    left: 2rem;
  }

  .timeline-event {
    width: 100%;
    padding: 1.5rem 1.5rem 1.5rem 4rem;
    text-align: left !important;
  }

  .timeline-event:nth-child(even) {
    left: 0;
  }

  .timeline-event:nth-child(odd) .timeline-point,
  .timeline-event:nth-child(even) .timeline-point {
    left: calc(2rem - 8px);
    right: auto;
  }

  .contact-form {
    padding: 2rem 1.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-brand {
    grid-column: span 1;
  }

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

  .footer-bottom-links {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .stat-item:nth-child(odd) {
    border-right: none;
  }
}