* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-color: #0a0a0a;
  --text-white: #ffffff;
  --text-gray: #888888;
  --accent-orange: #f06730;
  --tag-bg: #3a3a3a;
  --max-width: 100%;
  --max-width-tablet-portrait: 100%;
  --max-width-tablet: 992px;
  --max-width-laptop: 1140px;
  --max-width-desktop: 1240px;
  --max-width-wide: 1340px;
  --spacing-padding-inline: 0.25rem;
  /* Typography Scale - Bold & Hierarchical */
  --h1-size: clamp(2rem, 1.4718rem + 1.6901vw, 3.5rem);
  --h2-size: clamp(1.75rem, 1.3979rem + 1.1268vw, 2.75rem);
  --h3-size: clamp(1.5rem, 1.2799rem + 0.7042vw, 2.125rem);
  --h4-size: clamp(1.25rem, 1.0739rem + 0.5634vw, 1.75rem);
  --body-large: clamp(1.125rem, 0.993rem + 0.4225vw, 1.5rem);
  --body: clamp(1rem, 0.956rem + 0.1408vw, 1.125rem);

  --font-weight-bold: 700;
  --font-weight-semibold: 600;
  --font-weight-medium: 500;
}

body {
  font-family: "DM Sans", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-white);
  min-height: 100vh;
  overflow-x: hidden;
}
a[href] {
  cursor: pointer;
}
/* Container */
.container {
  margin: 0 auto;
  max-width: var(--max-width);
}
.container .container-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 1024px) {
  .container {
    max-width: var(--max-width-tablet-portrait);
  }
}
@media (max-width: 1190px) {
  .container {
    max-width: var(--max-width-tablet);
  }
}
@media (min-width: 1191px) {
  .container {
    max-width: var(--max-width-laptop);
  }
}
@media (min-width: 1400px) {
  .container {
    max-width: var(--max-width-desktop);
  }
}
@media (min-width: 1600px) {
  .container {
    max-width: var(--max-width-wide);
  }
}
/* Main - Padding works only for main section  */
@media screen and (width <= 64rem) {
  .main-section-padding {
    padding-inline: calc(var(--spacing-padding-inline) * 20) !important;
  }
}

/* Header */
header {
  padding: 24px 60px;
  min-height: 70px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  animation: slideDown 0.8s ease-out;
  background: transparent;
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: padding 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    backdrop-filter 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Header scrolled states */
header.scrolled-dark {
  padding: 16px 60px;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

header.scrolled-light {
  padding: 16px 60px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
}

header.scrolled-light nav a {
  color: var(--bg-color);
}

header.scrolled-light nav a::after {
  background: var(--accent-orange);
}

header.scrolled-light .cta-button {
  background-color: var(--bg-color);
  color: var(--text-white);
}

header.scrolled-light .cta-button:hover {
  background-color: var(--accent-orange);
}

header.scrolled-light .logo img {
  filter: invert(1);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.logo {
  display: flex;
  align-items: center;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
}

.logo img {
  height: 44px;
  width: auto;
  transition: filter 0.3s ease;
}

nav {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.06);
  padding: 6px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

header.scrolled-light nav {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.08);
}

nav a {
  color: var(--text-white);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: 50px;
  transition: all 0.3s ease;
  position: relative;
}

nav a::after {
  display: none;
}

nav a:hover {
  background: rgba(255, 255, 255, 0.1);
}

header.scrolled-light nav a:hover {
  background: rgba(0, 0, 0, 0.06);
}

nav a.active {
  background: var(--text-white);
  color: var(--bg-color);
}

header.scrolled-light nav a.active {
  background: var(--bg-color);
  color: var(--text-white);
}

.cta-button {
  background: var(--text-white);
  color: var(--bg-color);
  padding: 14px 28px;
  border-radius: 50px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.cta-button:hover {
  background: var(--accent-orange);
  color: var(--text-white);
}

header.scrolled-light .cta-button {
  background: var(--bg-color);
  color: var(--text-white);
}

header.scrolled-light .cta-button:hover {
  background: var(--accent-orange);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  position: relative;
  z-index: 101;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-white);
  border-radius: 2px;
  transition: all 0.3s ease;
}

header.scrolled-light .mobile-menu-btn span {
  background: var(--bg-color);
}

/* Mobile Menu Active State (hamburger to X) */
.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* When menu is open, hamburger should always be white (overlay is dark) */
.mobile-menu-btn.active span {
  background: var(--text-white);
}
header.scrolled-light .mobile-menu-btn.active span {
  background: var(--bg-color);
}

/* Mobile Navigation Menu */
.mobile-nav {
  position: fixed;
  top: 100%;
  left: 0;
  right: 0;
  bottom: 0;
  background: #0a0a0a;
  z-index: 99;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 24px;
  opacity: 0;
  display: flex;
  transform: translate(0px, -1000px);
  transition: opacity 0.375s linear, transform 0.375s linear;
  transform-origin: top center;
  height: 100vh;
}

.mobile-nav.active {
  opacity: 1;
  transform: translate(0px, 0px);
}

div.mobile-nav a {
  color: #ffffff !important;
  text-decoration: none;
  font-size: 32px;
  font-weight: 600;
  padding: 16px 32px;
  transition: color 0.3s ease;
  background: transparent !important;
}

div.mobile-nav a:hover {
  color: #f06730 !important;
}

div.mobile-nav a.cta-button {
  margin-top: 24px;
  font-size: 20px;
  padding: 18px 36px;
  background: #ffffff !important;
  color: #0a0a0a !important;
  border-radius: 50px;
}

div.mobile-nav a.cta-button:hover {
  background: #f06730 !important;
  color: #ffffff !important;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 200px 80px 0;
}
.hero .hero-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.hero-headline {
  font-size: var(--h1-size);
  font-weight: var(--font-weight-bold);
  line-height: 1.05;
  max-width: var(--max-width);
  padding-top: 120px;
  margin-bottom: 64px;
  letter-spacing: normal;
  animation: fadeInUp 1s ease-out 0.3s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-subheadline {
  font-size: var(--h3-size);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  padding-bottom: 90px;
  color: var(--text-gray);
  max-width: 1100px;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.highlight-tag {
  display: inline-block;
  background-color: var(--tag-bg);
  padding: 8px 24px;
  border-radius: 12px;
  color: var(--text-gray);
  margin: 8px 8px;
  transition: transform 0.3s ease, background-color 0.3s ease, color 0.3s ease,
    box-shadow 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  font-size: 18px;
  font-weight: 500;
}

.highlight-tag:hover {
  background-color: var(--accent-orange);
  color: #ffffff;
}

.plus {
  color: var(--text-white);
  margin: 0 12px;
  font-weight: 600;
}

/* Unified animation for all tags */
.hero-subheadline .highlight-tag {
  animation: tagPop 0.5s ease-out 1s both;
  font-size: inherit;
  padding: 12px 32px;
  border-radius: 16px;
}

@keyframes tagPop {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Responsive - Extra Large screens */
@media (min-width: 1800px) {
  header {
    padding: 28px 100px;
  }

  header.scrolled-dark,
  header.scrolled-light {
    padding: 18px 100px;
  }

  .logo img {
    height: 70px;
  }

  nav {
    gap: 10px;
    padding: 8px;
  }

  nav a {
    font-size: 16px;
    padding: 12px 24px;
  }

  .cta-button {
    font-size: 16px;
    padding: 16px 32px;
  }

  .hero {
    padding: 250px 120px 0;
  }

  .hero-subheadline {
    padding-bottom: 150px;
  }

  .hero-headline {
    font-size: 100px;
    max-width: var(--max-width-wide);
  }

  .hero-subheadline {
    font-size: 80px;
    max-width: var(--max-width-wide);
  }

  nav a {
    font-size: 24px;
  }

  .cta-button {
    font-size: 20px;
    padding: 18px 36px;
  }

  .hero-subheadline .highlight-tag {
    padding: 14px 36px;
    border-radius: 18px;
  }
}

/* Responsive - Large screens */
@media (min-width: 1400px) and (max-width: 1799px) {
  header {
    padding: 26px 80px;
  }

  header.scrolled-dark,
  header.scrolled-light {
    padding: 16px 80px;
  }

  .logo img {
    height: 34px;
  }

  .hero {
    padding: 220px 100px 0;
  }

  .hero-headline {
    font-size: 96px;
    max-width: var(--max-width-wide);
  }

  .hero-subheadline {
    font-size: 72px;
    max-width: var(--max-width);
    padding-bottom: 120px;
  }
}

/* Responsive - Tablets */
@media (max-width: 1024px) {
  header {
    padding: 20px 40px;
  }

  header.scrolled-dark,
  header.scrolled-light {
    padding: 14px 40px;
  }

  .logo img {
    height: 28px;
  }

  nav {
    gap: 4px;
    padding: 5px;
  }

  nav a {
    font-size: 14px;
    padding: 8px 16px;
  }

  .cta-button {
    padding: 12px 24px;
    font-size: 14px;
  }

  .hero {
    padding: 180px 48px 0;
  }

  .hero-headline {
    margin-bottom: 52px;
    font-size: clamp(42px, 6vw, 72px);
  }

  .hero-subheadline {
    font-size: clamp(32px, 4.5vw, 56px);
    padding-bottom: 90px;
  }

  .hero-subheadline .highlight-tag {
    padding: 10px 28px;
    border-radius: 14px;
  }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
  header {
    padding: 16px 20px;
  }

  header.scrolled-dark,
  header.scrolled-light {
    padding: 12px 20px;
  }

  .logo img {
    height: 36px;
  }

  nav {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
    gap: 7px;
    padding: 10px;
  }

  .mobile-menu-btn span {
    width: 32px;
    height: 3px;
  }

  .mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
  }

  .mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
  }

  .cta-button {
    padding: 14px 28px;
    font-size: 16px;
  }

  .hero {
    padding: 160px 28px 0;
  }

  .hero-headline {
    font-size: clamp(36px, 9vw, 54px);
    margin-bottom: 44px;
  }

  .hero-subheadline {
    font-size: clamp(28px, 7vw, 42px);
    line-height: 1.6;
    padding-bottom: 75px;
  }

  .hero-subheadline .highlight-tag {
    padding: 8px 22px;
    border-radius: 12px;
  }

  .plus {
    margin: 0 8px;
  }

  .hero-subheadline br {
    display: none;
  }
}

/* Responsive - Small Mobile */
@media (max-width: 480px) {
  header {
    padding: 14px 16px;
  }

  header.scrolled-dark,
  header.scrolled-light {
    padding: 12px 16px;
  }

  .logo img {
    height: 32px;
  }

  .mobile-menu-btn {
    gap: 6px;
    padding: 8px;
  }

  .mobile-menu-btn span {
    width: 28px;
    height: 3px;
  }

  .mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }

  .mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  .cta-button {
    padding: 12px 24px;
    font-size: 15px;
  }

  .hero {
    padding: 150px 20px 0;
  }

  .hero-headline {
    font-size: clamp(32px, 8vw, 42px);
    margin-bottom: 36px;
  }

  .hero-subheadline {
    font-size: clamp(24px, 6vw, 32px);
    padding-bottom: 60px;
  }

  .hero-subheadline .highlight-tag {
    padding: 6px 18px;
    border-radius: 10px;
  }
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Clients Grid (inside Impact Section) */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: var(--max-width);
  margin: 0 auto 80px;
}

.client-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1000px;
  overflow: hidden;
}

.client-flipper {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

.client-box.flipping .client-flipper {
  transform: rotateX(180deg);
}

.client-front,
.client-back {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.client-back {
  transform: rotateX(180deg);
}

.client-logo {
  max-width: 140px;
  max-height: 40px;
  opacity: 0.7;
  filter: grayscale(100%) brightness(2);
  transition: opacity 0.3s ease;
}

.client-box:hover .client-logo {
  opacity: 1;
}

.client-logo-text {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-white);
  opacity: 0.7;
  letter-spacing: normal;
  transition: opacity 0.3s ease;
}

.client-box:hover .client-logo-text {
  opacity: 1;
}

/* Clients Grid Responsive */
@media (min-width: 1800px) {
  .clients-grid {
    max-width: var(--max-width-wide);
    gap: 24px;
    margin-bottom: 100px;
  }

  .client-box {
    height: 120px;
    border-radius: 20px;
  }

  .client-logo {
    max-width: 160px;
    max-height: 50px;
  }

  .client-logo-text {
    font-size: 24px;
  }
}

@media (max-width: 1024px) {
  .clients-grid {
    gap: 16px;
    margin-bottom: 60px;
  }

  .client-box {
    height: 90px;
    border-radius: 14px;
  }

  .client-logo {
    max-width: 120px;
    max-height: 35px;
  }

  .client-logo-text {
    font-size: 18px;
  }
}

@media (max-width: 768px) {
  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-bottom: 48px;
  }

  .client-box {
    height: 80px;
    border-radius: 12px;
  }

  .client-logo {
    max-width: 100px;
    max-height: 30px;
  }

  .client-logo-text {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .clients-grid {
    gap: 12px;
    margin-bottom: 40px;
  }

  .client-box {
    height: 70px;
    border-radius: 10px;
  }

  .client-logo {
    max-width: 80px;
    max-height: 25px;
  }

  .client-logo-text {
    font-size: 14px;
  }
}

/* Stats Section */
.stats-section {
  background-color: #ffffff;
  padding: 120px 80px;
}

.stats-headline {
  font-size: var(--h2-size);
  font-weight: var(--font-weight-bold);
  color: var(--bg-color);
  max-width: 1200px;
  margin: 0 auto 80px;
  text-align: center;
  line-height: 1.2;
  letter-spacing: normal;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.stat-card {
  background-color: #fff;
  border-bottom: solid 1px #000;
  border-radius: 0 !important;
  padding: 32px;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
/* 
.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
} */

.stat-card-icon {
  position: absolute;
  top: 24px;
  right: 24px;
  opacity: 0.6;
}

.stat-card-icon i {
  font-size: 40px;
  color: #000;
}

.stat-number {
  font-size: var(--h3-size);
  font-weight: var(--font-weight-bold);
  color: #000;
  margin-bottom: 12px;
  letter-spacing: normal;
}

.stat-description {
  font-size: 18px;
  color: rgba(0, 0, 0, 1);
  line-height: 1.5;
}

/* Stats Section Responsive */
@media (min-width: 1800px) {
  .stats-section {
    padding: 160px 120px;
  }

  .stats-headline {
    max-width: 1000px;
    margin-bottom: 100px;
    font-size: 58px;
  }

  .stats-grid {
    max-width: var(--max-width-wide);
    gap: 32px;
  }

  .stat-card {
    padding: 40px;
    border-radius: 24px;
  }

  .stat-description {
    font-size: 18px;
  }
}

@media (max-width: 1024px) {
  .stats-section {
    padding: 100px 48px;
  }

  .stats-headline {
    margin-bottom: 60px;
  }

  .stats-grid {
    gap: 20px;
  }

  .stat-card {
    padding: 28px;
    border-radius: 16px;
  }

  .stat-description {
    font-size: 15px;
  }
}

@media (max-width: 768px) {
  .stats-section {
    padding: 80px 28px;
  }

  .stats-headline {
    margin-bottom: 48px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-card {
    padding: 24px;
  }

  .stat-card-icon {
    top: 18px;
    right: 18px;
    width: 20px;
    height: 20px;
  }

  .stat-description {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .stats-section {
    padding: 60px 20px;
  }

  .stats-headline {
    margin-bottom: 36px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .stat-card {
    padding: 24px;
  }
}

/* Approach Section */
.approach-section {
  background-color: var(--bg-color);
  padding: 120px 80px;
}

.approach-header {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 80px;
}

.approach-label {
  font-size: var(--h2-size);
  font-weight: var(--font-weight-bold);
  color: var(--text-white);
  margin-bottom: 24px;
  letter-spacing: normal;
}

.approach-tagline {
  font-size: var(--body-large);
  font-weight: var(--font-weight-medium);
  color: var(--text-gray);
  letter-spacing: normal;
  line-height: 1.6;
}

.approach-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.approach-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.3s ease;
}

.approach-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.approach-card-title {
  font-size: var(--h4-size);
  font-weight: var(--font-weight-bold);
  color: var(--text-white);
  margin-bottom: 16px;
}

.approach-card-description {
  font-size: var(--body);
  color: var(--text-gray);
  line-height: 1.6;
  margin-bottom: 24px;
}

.approach-card-link {
  display: inline-block;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-white);
  text-decoration: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.3s ease;
}

.approach-card-link:hover {
  background: var(--accent-orange);
}

.approach-card-image {
  margin-top: 24px;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 16/10;
  background: rgba(255, 255, 255, 0.05);
}

.approach-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Approach Section Responsive */
@media (min-width: 1800px) {
  .approach-section {
    padding: 160px 120px;
  }

  .approach-header {
    max-width: 1000px;
    margin-bottom: 100px;
  }

  .approach-cards {
    max-width: var(--max-width-wide);
    gap: 32px;
  }

  .approach-card {
    padding: 40px;
  }
}

@media (max-width: 1024px) {
  .approach-section {
    padding: 100px 48px;
  }

  .approach-header {
    margin-bottom: 60px;
  }

  .approach-cards {
    gap: 20px;
  }

  .approach-card {
    padding: 28px;
  }
}

@media (max-width: 768px) {
  .approach-section {
    padding: 80px 28px;
  }

  .approach-header {
    margin-bottom: 48px;
  }

  .approach-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .approach-section {
    padding: 60px 20px;
  }

  .approach-header {
    margin-bottom: 36px;
  }

  .approach-card {
    padding: 24px;
  }
}

/* Case Studies Section */
.case-studies-section {
  background-color: #ffffff;
  padding: 120px 80px;
}

.case-studies-header {
  max-width: var(--max-width);
  margin: 0 auto 80px;
  text-align: center;
}

.case-studies-title {
  font-size: var(--h2-size);
  font-weight: var(--font-weight-bold);
  color: var(--bg-color);
  letter-spacing: normal;
  margin-bottom: 16px;
}

.case-studies-subtitle {
  font-size: var(--body-large);
  color: #666666;
  max-width: 600px;
  margin: 0 auto;
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 60px 40px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.case-study-card {
  display: flex;
  flex-direction: column;
}

.case-study-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 28px;
  background: #f5f5f5;
}

.case-study-image img,
.case-study-image video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.case-study-card:hover .case-study-image img,
.case-study-card:hover .case-study-image video {
  transform: scale(1.05);
}

.case-study-view-btn {
  position: absolute;
  top: 20px;
  left: 20px;
  background: rgba(0, 0, 0, 0.6);
  color: #ffffff;
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  text-decoration: none;
}

.case-study-card:hover .case-study-view-btn {
  opacity: 1;
  transform: translateY(0);
}

.case-study-title {
  font-size: var(--h4-size);
  font-weight: var(--font-weight-bold);
  color: var(--bg-color);
  margin-bottom: 16px;
  letter-spacing: normal;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

.case-study-description {
  font-size: var(--body);
  color: #666666;
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 480px;
}

.case-study-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.case-study-tag {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid #d0d0d0;
  border-radius: 50px;
  font-size: 13px;
  color: #666666;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.case-study-tag:hover {
  background: #f5f5f5;
  border-color: #999999;
}

.case-study-tag.coming-soon {
  background: #fffbeb;
  border-color: #fde68a;
  color: #92400e;
}

/* Case Studies Responsive */
@media (min-width: 1800px) {
  .case-studies-section {
    padding: 160px 120px;
  }

  .case-studies-header {
    max-width: var(--max-width-wide);
    margin-bottom: 100px;
  }

  .case-studies-grid {
    max-width: var(--max-width-wide);
    gap: 80px 60px;
  }

  .case-study-image {
    border-radius: 20px;
    margin-bottom: 36px;
  }
}

@media (max-width: 1024px) {
  .case-studies-section {
    padding: 100px 48px;
  }

  .case-studies-header {
    margin-bottom: 60px;
  }

  .case-studies-grid {
    gap: 48px 32px;
  }

  .case-study-image {
    margin-bottom: 24px;
    border-radius: 14px;
  }
}

@media (max-width: 768px) {
  .case-studies-section {
    padding: 80px 28px;
  }

  .case-studies-header {
    margin-bottom: 48px;
  }

  .case-studies-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .case-study-image {
    margin-bottom: 20px;
    border-radius: 12px;
  }

  .case-study-view-btn {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .case-studies-section {
    padding: 60px 20px;
  }

  .case-studies-header {
    margin-bottom: 36px;
  }

  .case-studies-grid {
    gap: 40px;
  }

  .case-study-image {
    border-radius: 10px;
  }

  .case-study-tag {
    padding: 6px 14px;
    font-size: 12px;
  }
}

/* Impact Section */
.impact-section {
  background-color: var(--bg-color);
  padding: 120px 80px;
  overflow: hidden;
}

.impact-header {
  max-width: var(--max-width);
  margin: 0 auto 60px;
}

.impact-title {
  font-size: var(--h2-size);
  font-weight: var(--font-weight-bold);
  color: var(--text-white);
  letter-spacing: normal;
}

.impact-subtitle {
  font-size: var(--body-large);
  font-weight: var(--font-weight-medium);
  color: var(--text-gray);
  margin-top: 16px;
  letter-spacing: normal;
}

.impact-slider-header {
  max-width: var(--max-width);
  margin: 0 auto 40px;
}

.impact-slider-title {
  font-size: var(--h3-size);
  font-weight: var(--font-weight-bold);
  color: var(--text-white);
  letter-spacing: normal;
  margin-bottom: 8px;
}

.impact-slider-subtitle {
  font-size: var(--body-large);
  color: var(--text-gray);
}

.impact-slider-wrapper {
  position: relative;
  max-width: 100%;
  margin: 0 auto;
}

.impact-slider {
  display: flex;
  gap: 24px;
  cursor: grab;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  padding: 20px 0;
}

.impact-slider:active {
  cursor: grabbing;
}

/* Slider Navigation Arrows */
.slider-nav {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  background: none;
  border: none;
  z-index: 20;
  display: flex;
  align-items: center;
  pointer-events: none;
}

.slider-nav svg {
  width: 100px;
  height: 100px;
  fill: var(--text-white);
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: auto;
  cursor: pointer;
}

.slider-nav svg:hover {
  opacity: 1;
}

.slider-nav.prev {
  left: 0;
  justify-content: flex-start;
  padding-left: 40px;
}

.slider-nav.next {
  right: 0;
  justify-content: flex-end;
  padding-right: 40px;
}

.slider-nav.prev svg:hover {
  transform: translateX(-12px);
}

.slider-nav.next svg:hover {
  transform: translateX(12px);
}

/* Case Study Card */
.case-card {
  flex: 0 0 420px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 32px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.case-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.2);
}

.case-card-stat {
  font-size: var(--h4-size);
  font-weight: var(--font-weight-bold);
  color: var(--text-white);
  margin-bottom: 24px;
  line-height: 1.2;
}

.case-card-image {
  width: 100%;
  height: 200px;
  background: #1a1a1a;
  border-radius: 12px;
  margin-bottom: 24px;
  overflow: hidden;
}

.case-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-card-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.case-card-logo img {
  height: 24px;
  width: auto;
}

.case-card-logo span {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-white);
}

.case-card-description {
  font-size: 15px;
  color: var(--text-gray);
  line-height: 1.6;
  margin-bottom: 20px;
}

.case-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-tag {
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-gray);
  transition: background 0.3s ease, color 0.3s ease;
}

.case-tag:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-white);
}

/* Testimonial Card */
.testimonial-card {
  flex: 0 0 520px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.2);
}

.testimonial-logo {
  margin-bottom: 24px;
}

.testimonial-logo img {
  height: 28px;
  width: auto;
}

.testimonial-logo svg {
  height: 28px;
  width: auto;
  fill: var(--text-white);
}

.testimonial-quote {
  font-size: var(--body-large);
  line-height: 1.5;
  color: var(--text-gray);
  margin-bottom: 32px;
}

.testimonial-quote strong {
  color: var(--text-white);
  font-weight: 500;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  overflow: hidden;
  background: #333;
}

.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-info h4 {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-white);
  margin-bottom: 4px;
}

.testimonial-info p {
  font-size: 14px;
  color: var(--text-gray);
}

/* Impact Section Responsive */
@media (min-width: 1800px) {
  .impact-section {
    padding: 160px 120px;
  }

  .impact-header {
    max-width: var(--max-width-wide);
    margin-bottom: 80px;
  }

  .impact-slider-header {
    max-width: var(--max-width-wide);
    margin-bottom: 50px;
  }

  .case-card {
    flex: 0 0 480px;
    padding: 40px;
  }

  .testimonial-card {
    flex: 0 0 600px;
    padding: 48px;
  }

  .slider-nav svg {
    width: 120px;
    height: 120px;
  }

  .slider-nav.prev {
    padding-left: 60px;
  }

  .slider-nav.next {
    padding-right: 60px;
  }
}

@media (max-width: 1024px) {
  .impact-section {
    padding: 100px 48px;
  }

  .impact-header {
    margin-bottom: 48px;
  }

  .impact-slider-header {
    margin-bottom: 32px;
  }

  .case-card {
    flex: 0 0 360px;
    padding: 28px;
  }

  .testimonial-card {
    flex: 0 0 440px;
    padding: 32px;
  }

  .slider-nav svg {
    width: 80px;
    height: 80px;
  }

  .slider-nav.prev {
    padding-left: 30px;
  }

  .slider-nav.next {
    padding-right: 30px;
  }
}

@media (max-width: 768px) {
  .impact-section {
    padding: 80px 28px;
  }

  .impact-header {
    margin-bottom: 40px;
  }

  .impact-slider-header {
    margin-bottom: 28px;
  }

  .impact-slider {
    gap: 16px;
  }

  .case-card {
    flex: 0 0 300px;
    padding: 24px;
  }

  .case-card-image {
    height: 160px;
  }

  .testimonial-card {
    flex: 0 0 320px;
    padding: 28px;
  }

  .slider-nav svg {
    width: 60px;
    height: 60px;
  }

  .slider-nav.prev {
    padding-left: 20px;
  }

  .slider-nav.next {
    padding-right: 20px;
  }
}

@media (max-width: 480px) {
  .impact-section {
    padding: 60px 20px;
  }

  .case-card {
    flex: 0 0 280px;
    padding: 20px;
  }

  .case-card-image {
    height: 140px;
  }

  .testimonial-card {
    flex: 0 0 280px;
    padding: 24px;
  }

  .slider-nav {
    display: none;
  }
}

/* Footer CTA Section */
/* Contact Section */
.contact-section {
  background-color: #ffffff;
  padding: 120px 80px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.contact-header {
  text-align: center;
  max-width: var(--max-width);
  margin: 0 auto 60px;
}

.contact-headline {
  font-size: var(--h2-size);
  font-weight: var(--font-weight-bold);
  color: var(--bg-color);
  line-height: 1.2;
  margin-bottom: 24px;
}

.contact-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-info {
  padding-top: 20px;
}

.contact-description {
  font-size: 22px;
  color: #666666;
  line-height: 1.6;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item-icon i {
  font-size: 24px;
  color: var(--bg-color);
}

.contact-item-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.contact-item-label {
  font-size: 14px;
  color: #888888;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.contact-item-value {
  font-size: 20px;
  color: var(--bg-color);
  font-weight: 500;
}

.contact-item-value a {
  color: var(--bg-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.main-video {
  border-radius: 12px 12px 0 0;
  width: 100%;
}

/* Contact Form */
.contact-form-wrapper {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 24px;
  padding: 48px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.form-label {
  font-size: 16px;
  font-weight: 500;
  color: var(--bg-color);
}

.form-input,
.form-textarea,
.form-select {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 12px;
  padding: 18px 24px;
  font-size: 18px;
  font-family: "DM Sans", sans-serif;
  color: var(--bg-color);
  transition: all 0.3s ease;
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #999999;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent-orange);
  box-shadow: 0 0 0 3px rgba(240, 103, 48, 0.1);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 48px;
}

.form-select option {
  background: #ffffff;
  color: var(--bg-color);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-submit {
  background: var(--bg-color);
  color: #ffffff;
  border: none;
  border-radius: 12px;
  padding: 20px 44px;
  font-size: 18px;
  font-weight: 600;
  font-family: "DM Sans", sans-serif;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.form-submit:hover {
  background: var(--accent-orange);
}

.form-submit i {
  font-size: 20px;
}

.form-note {
  font-size: 13px;
  color: #888888;
  text-align: center;
  margin-top: 8px;
}

/* Form Success/Error States */
.form-message {
  padding: 16px 20px;
  border-radius: 12px;
  font-size: 14px;
  display: none;
}

.form-message.success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #16a34a;
  display: block;
}

.form-message.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #dc2626;
  display: block;
}

/* Contact Section Responsive */
@media (min-width: 1800px) {
  .contact-section {
    padding: 160px 120px;
  }

  .contact-header {
    max-width: var(--max-width-wide);
    margin-bottom: 80px;
  }

  .contact-container {
    max-width: var(--max-width-wide);
  }
}

@media (max-width: 1024px) {
  .contact-section {
    padding: 100px 48px;
  }

  .contact-header {
    margin-bottom: 48px;
  }

  .contact-container {
    gap: 60px;
  }

  .contact-form-wrapper {
    padding: 40px;
  }
}

@media (max-width: 768px) {
  .contact-section {
    padding: 80px 28px;
  }

  .contact-header {
    margin-bottom: 40px;
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-info {
    text-align: center;
  }

  .contact-details {
    align-items: flex-start;
  }

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

  .contact-form-wrapper {
    padding: 32px 24px;
  }
}

@media (max-width: 480px) {
  .contact-section {
    padding: 60px 20px;
  }

  .contact-form-wrapper {
    padding: 24px 20px;
  }

  .form-submit {
    width: 100%;
  }
}

/* Footer */
.footer {
  background-color: #ffffff;
  padding: 80px 80px 50px;
}

.footer-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 80px;
}

.footer-brand-section {
  flex: 1;
  max-width: 400px;
}

.footer-logo img {
  height: 36px;
  width: auto;
  filter: invert(1);
}

.footer-tagline {
  font-size: 20px;
  font-weight: var(--font-weight-medium);
  color: #666666;
  line-height: 1.6;
  margin-top: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-color);
  color: var(--text-white);
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--accent-orange);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.footer-nav-section {
  display: flex;
  gap: 80px;
}

.footer-nav-group h4 {
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  color: var(--bg-color);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-nav-group ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-nav-group ul li a {
  color: #666666;
  text-decoration: none;
  font-size: 17px;
  transition: color 0.3s ease;
}

.footer-nav-group ul li a:hover {
  color: var(--accent-orange);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 50px auto 0;
  padding-top: 30px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copyright {
  color: #999999;
  font-size: 16px;
}

.footer-legal {
  display: flex;
  gap: 28px;
}

.footer-legal a {
  color: #999999;
  text-decoration: none;
  font-size: 16px;
  transition: color 0.3s ease;
}

.footer-legal a:hover {
  color: var(--bg-color);
}

/* Footer Responsive */
@media (min-width: 1800px) {
  .footer-cta {
    padding: 160px 120px;
  }

  .footer-cta .highlight-tag {
    padding: 22px 60px;
    font-size: 24px;
  }

  .footer {
    padding: 100px 120px 60px;
  }

  .footer-main {
    max-width: var(--max-width-wide);
    gap: 120px;
  }

  .footer-brand-section {
    max-width: 480px;
  }

  .footer-tagline {
    font-size: 20px;
  }

  .footer-nav-section {
    gap: 100px;
  }

  .footer-bottom {
    max-width: var(--max-width-wide);
  }
}

@media (max-width: 1024px) {
  .footer-cta {
    padding: 100px 48px;
  }

  .footer-cta-headline {
    margin-bottom: 40px;
  }

  .footer {
    padding: 60px 48px 40px;
  }

  .footer-main {
    gap: 60px;
  }

  .footer-nav-section {
    gap: 50px;
  }
}

@media (max-width: 768px) {
  .footer-cta {
    padding: 80px 28px;
  }

  .footer-cta-headline {
    margin-bottom: 36px;
  }

  .footer-cta .highlight-tag {
    padding: 16px 40px;
    font-size: 18px;
  }

  .footer {
    padding: 50px 28px 40px;
  }

  .footer-main {
    flex-direction: column;
    gap: 48px;
  }

  .footer-brand-section {
    max-width: 100%;
  }

  .footer-nav-section {
    width: 100%;
    justify-content: flex-start;
    gap: 60px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer-cta {
    padding: 60px 20px;
  }

  .footer-cta .highlight-tag {
    padding: 14px 32px;
    font-size: 16px;
  }

  .footer {
    padding: 40px 20px 30px;
  }

  .footer-main {
    gap: 40px;
  }

  .footer-nav-section {
    gap: 40px;
  }

  .footer-tagline {
    font-size: 16px;
  }

  .footer-legal {
    flex-direction: column;
    gap: 12px;
  }
}