/* ═══════════════════════════════════════
   DATIOO — Modern SaaS Website Styles
   ═══════════════════════════════════════ */

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #D4710A;
  --color-primary-dark: #B25E08;
  --color-primary-light: #F5A623;
  --color-secondary: #1A1A2E;
  --color-accent: #FF8C32;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7F8FA;
  --color-bg-dark: #0F0F1A;
  --color-text: #2D2D3A;
  --color-text-light: #6B6B80;
  --color-text-inverse: #FFFFFF;
  --color-border: #E2E4E9;
  --color-success: #2ECC71;
  --color-star: #F5A623;

  --font-heading: 'Inter', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);

  --transition: 0.3s ease;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-secondary);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

/* --- Announcement Bar --- */
.announcement-bar {
  background: var(--color-secondary);
  color: var(--color-text-inverse);
  text-align: center;
  padding: 10px 24px;
  font-size: 0.8125rem;
  position: relative;
  z-index: 1001;
  letter-spacing: 0.02em;
}

.announcement-bar .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.announcement-bar p {
  opacity: 0.9;
}

.announcement-dismiss {
  background: none;
  border: none;
  color: var(--color-text-inverse);
  cursor: pointer;
  font-size: 1.25rem;
  opacity: 0.7;
  transition: opacity var(--transition);
  padding: 0 4px;
  line-height: 1;
  flex-shrink: 0;
}

.announcement-dismiss:hover {
  opacity: 1;
}

.announcement-bar.hidden {
  display: none;
}

/* --- Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

.site-header.has-announcement {
  top: 38px;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  padding: 10px 0;
  box-shadow: var(--shadow-sm);
}

.site-header.scrolled .nav-link {
  color: var(--color-text);
}

.site-header.scrolled .nav-link:hover {
  color: var(--color-primary);
}


.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition);
  letter-spacing: 0.01em;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  min-height: 44px;
  text-align: center;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-inverse);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
}

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

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

.btn-nav {
  padding: 10px 22px;
  font-size: 0.8125rem;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.8125rem;
}

/* Language Toggle */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.9);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: all var(--transition);
  flex-shrink: 0;
}

.lang-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.35);
}

.lang-toggle svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
}

.site-header.scrolled .lang-toggle {
  background: rgba(0, 0, 0, 0.06);
  border-color: var(--color-border);
  color: var(--color-text);
}

.site-header.scrolled .lang-toggle:hover {
  background: rgba(0, 0, 0, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Nav right group for mobile (lang + hamburger) */
.nav-right-mobile {
  display: none;
  align-items: center;
  gap: 12px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  z-index: 1002;
}

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

.site-header.scrolled .hamburger span {
  background: var(--color-secondary);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: var(--color-bg);
  padding: 96px 32px 32px;
  transition: right var(--transition);
  box-shadow: var(--shadow-xl);
  z-index: 1001;
  overflow-y: auto;
}

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

.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

.mobile-nav-overlay.active {
  display: block;
}

.mobile-nav-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-text);
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: background var(--transition);
}

.mobile-nav-close:hover {
  background: rgba(0, 0, 0, 0.05);
}

.mobile-nav .nav-link {
  display: block;
  color: var(--color-text);
  font-size: 1.125rem;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav .btn {
  margin-top: 24px;
  width: 100%;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 15, 26, 0.88) 0%,
    rgba(15, 15, 26, 0.7) 40%,
    rgba(15, 15, 26, 0.55) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: 160px 0 96px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212, 113, 10, 0.15);
  border: 1px solid rgba(212, 113, 10, 0.3);
  color: var(--color-primary-light);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.03em;
}

.hero h1 {
  color: var(--color-text-inverse);
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero h1 .highlight {
  color: var(--color-primary-light);
}

.hero-subtitle {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 40px;
  line-height: 1.7;
  max-width: 560px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.scroll-indicator svg {
  width: 24px;
  height: 24px;
  stroke: rgba(255, 255, 255, 0.5);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-8px); }
  60% { transform: translateX(-50%) translateY(-4px); }
}

/* --- Section Header --- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-header h2 {
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--color-text-light);
  font-size: 1.0625rem;
  line-height: 1.7;
}

/* --- About Section --- */
.about {
  background: var(--color-bg);
}

.about-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 56px;
}

.about-text h2 {
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.about-text > p {
  color: var(--color-text-light);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.about-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.about-feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(212, 113, 10, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-feature-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-feature h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.about-feature p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

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

/* --- Services Section --- */
.services {
  background: var(--color-bg-alt);
}

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

.service-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all var(--transition);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

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

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(212, 113, 10, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.service-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  margin-bottom: 12px;
}

.service-card p {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* --- Gallery Section --- */
.gallery {
  background: var(--color-bg);
}

.gallery-swiper {
  position: relative;
  margin: 0 auto;
}

.gallery-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  border-radius: var(--radius-lg);
}

.gallery-track::-webkit-scrollbar {
  display: none;
}

.gallery-slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
}

.gallery-slide img {
  width: 100%;
  display: block;
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-primary);
}

.gallery-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
}

.gallery-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
}

.gallery-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.gallery-btn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.gallery-dots {
  display: flex;
  gap: 8px;
}

.gallery-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition: all var(--transition);
}

.gallery-dot.active {
  width: 28px;
  border-radius: 5px;
  background: var(--color-primary);
}

/* --- Impact / How It Works Section --- */
.impact {
  background: var(--color-bg-alt);
}

.impact-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  margin-bottom: 72px;
  flex-wrap: wrap;
}

.impact-step {
  flex: 1;
  min-width: 240px;
  max-width: 360px;
  text-align: center;
  padding: 0 32px;
}

.impact-step-badge {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.impact-step-icon {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  box-shadow: 0 10px 32px rgba(212, 113, 10, 0.28);
}

.impact-step-icon svg {
  width: 44px;
  height: 44px;
  stroke: #fff;
}

.impact-step h3 {
  font-size: 1.375rem;
  margin-bottom: 12px;
}

.impact-step p {
  font-size: 1.0625rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.impact-step-arrow {
  display: flex;
  align-items: center;
  padding: 0 4px;
  margin-top: 40px;
  opacity: 0.35;
  flex-shrink: 0;
}

.impact-step-arrow svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-primary);
}

/* Benefits grid */
.impact-benefits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 48px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  box-shadow: var(--shadow-md);
  margin-bottom: 56px;
}

.impact-benefit {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.impact-benefit-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(212, 113, 10, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.impact-benefit-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-primary);
}

.impact-benefit h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.impact-benefit p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.65;
}

.impact-cta {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.impact-cta p {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text-light);
}

/* --- Services Carousel --- */
.services-carousel-wrapper {
  position: relative;
}

.services-carousel-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 4px;
  cursor: grab;
}

.services-carousel-track:active {
  cursor: grabbing;
}

.services-carousel-track::-webkit-scrollbar {
  display: none;
}

.services-carousel-track .service-card {
  flex: 0 0 100%;
  scroll-snap-align: start;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}

.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  background: var(--color-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}

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

.carousel-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.carousel-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  padding: 0;
}

.carousel-dot.active {
  background: var(--color-primary);
  width: 24px;
}

/* --- Contact Section --- */
.contact {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
}

.contact .section-header h2 {
  color: var(--color-text-inverse);
}

.contact .section-header p {
  color: rgba(255, 255, 255, 0.6);
}

.contact .section-label {
  color: var(--color-primary-light);
}

.contact-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.contact-info-centered {
  display: flex;
  gap: 48px;
  justify-content: center;
  flex-wrap: wrap;
}

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

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(212, 113, 10, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-primary-light);
  fill: none;
  stroke-width: 2;
}

.contact-info-item h4 {
  color: var(--color-text-inverse);
  font-size: 0.9375rem;
  margin-bottom: 2px;
}

.contact-info-item a {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.6);
}

.contact-info-item a:hover {
  color: var(--color-primary-light);
}

.btn-cta-wa {
  padding: 16px 48px;
  font-size: 1.0625rem;
}

/* --- Footer --- */
.site-footer {
  background: #080812;
  padding: 64px 0 0;
  color: rgba(255, 255, 255, 0.6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .brand-logo {
  height: 24px;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-links h4 {
  color: var(--color-text-inverse);
  font-size: 0.9375rem;
  margin-bottom: 16px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  transition: color var(--transition);
}

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

.footer-contact-item {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
  font-size: 0.875rem;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  text-align: center;
  font-size: 0.8125rem;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
  color: var(--color-primary-light);
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 999;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
}

/* --- Fade-in Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ═══════════════════════════════════════
   RESPONSIVE BREAKPOINTS
   ═══════════════════════════════════════ */

/* Tablet: 768px+ */
@media (min-width: 768px) {
  .about-top {
    grid-template-columns: 1fr 1.2fr;
  }

  .about-features {
    grid-template-columns: repeat(4, 1fr);
  }

  .services-carousel-track .service-card {
    flex: 0 0 calc(50% - 12px);
  }


  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Desktop: 1024px+ */
@media (min-width: 1024px) {
  .hamburger {
    display: none !important;
  }

  .nav-links {
    display: flex !important;
  }

  .services-carousel-track .service-card {
    flex: 0 0 calc(33.333% - 16px);
  }
}

/* Mobile: below 1024px */
@media (max-width: 1023px) {
  .nav-links {
    display: none;
  }

  .nav-right-mobile {
    display: flex;
  }

  .hamburger {
    display: flex;
  }
}

/* Impact section responsive */
@media (max-width: 767px) {
  .impact-steps {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .impact-step-arrow {
    transform: rotate(90deg);
    margin: 0;
  }

  .impact-step {
    max-width: 100%;
    padding: 0;
  }

  .impact-benefits {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }
}

@media (max-width: 1023px) {
  .impact-benefits {
    padding: 36px 32px;
  }
}

/* Wide: 1280px+ */
@media (min-width: 1280px) {
  .container {
    padding: 0 40px;
  }
}

/* --- Print Styles --- */
@media print {
  .announcement-bar,
  .site-header,
  .scroll-indicator,
  .back-to-top,
  .mobile-nav,
  .mobile-nav-overlay {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  section {
    padding: 32px 0;
    break-inside: avoid;
  }

  .hero {
    min-height: auto;
    background: none !important;
  }

  .hero-content {
    padding: 32px 0;
  }

  .hero h1,
  .hero-subtitle {
    color: #000;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}