:root {
  --bg: #f5f5f5;
  --bg-2: #e8e8e8;
  --panel: rgba(255, 255, 255, 0.85);
  --panel-2: rgba(255, 255, 255, 0.9);
  --text: #1a1a1a;
  --muted: rgba(26, 26, 26, 0.65);
  --line: rgba(26, 26, 26, 0.1);

  --green: #16ff9a;
  --accent: #16ff9a;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.12);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.08);

  --radius: 18px;
  --radius-sm: 14px;
  --max: 1120px;
  --scrub-runway: 320vh;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica,
    Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  color: rgba(245, 245, 245, 0.88);
  background: rgba(245, 245, 245, 0.08);
  border: 1px solid rgba(245, 245, 245, 0.12);
  padding: 0.12rem 0.35rem;
  border-radius: 10px;
}

.accent {
  color: var(--green);
  text-shadow: 0 0 28px rgba(22, 255, 154, 0.25);
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(245, 245, 245, 0.18);
  background: rgba(18, 18, 18, 0.8);
  transform: translateY(-140%);
  transition: transform 150ms ease;
  z-index: 9999;
}
.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid rgba(255, 255, 255, 0.65);
  outline-offset: 3px;
}

/* SECTION 1: hero */
.hero-scrub {
  position: relative;
  height: var(--scrub-runway, 320vh);
}

.hero-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background: #000;
  z-index: 1;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
  filter: saturate(1.08) contrast(1.02);
  display: block;
  background: #000;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.45) 0%, rgba(0, 0, 0, 0.08) 55%, rgba(0, 0, 0, 0.55) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 20px;
  padding: clamp(20px, 5vw, 64px);
  max-width: var(--max);
  margin: 0 auto;
  z-index: 3;
}

.hero-text-sequence {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  text-align: left;
  width: 100%;
  position: relative;
}

/* Ensure scroll indicator and text replacements occupy same space */
.hero-text-sequence > .scroll-indicator,
.hero-text-sequence > .hero-title-line-1,
.hero-text-sequence > .hero-title-line-2,
.hero-text-sequence > .hero-title-line-3,
.hero-text-sequence > .hero-title-line-4 {
  min-height: 30px;
}

.hero-brand {
  margin: 0;
  font-size: clamp(3rem, 6vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.04em;
  font-weight: 800;
  color: var(--green);
  text-shadow: 0 0 28px rgba(22, 255, 154, 0.4), 0 4px 20px rgba(0, 0, 0, 0.5);
  opacity: 1;
  transform: translateY(0);
  align-self: flex-start;
}

.scroll-indicator {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
  color: rgba(255, 255, 255, 0.6);
  animation: scrollBounce 2s ease-in-out infinite;
  align-self: flex-start;
  width: 20px;
  height: 20px;
}

.scroll-indicator:not(.visible) {
  opacity: 0;
  position: absolute;
  pointer-events: none;
  visibility: hidden;
}

.scroll-indicator svg {
  width: 100%;
  height: 100%;
}

.scroll-indicator.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes scrollBounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

.hero-title-line-1 {
  margin: 0;
  font-size: clamp(1.6rem, 3.5vw, 3.2rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.65), 0 1px 4px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  align-self: flex-start;
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  visibility: hidden;
}

.hero-title-line-1.visible {
  opacity: 1;
  transform: translateY(0);
  position: relative;
  pointer-events: auto;
  visibility: visible;
}

.hero-title-line-2 {
  margin: 0;
  font-size: clamp(1.6rem, 3.5vw, 3.2rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.65), 0 1px 4px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  align-self: flex-start;
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  visibility: hidden;
}

.hero-title-line-2.visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
  position: relative;
  pointer-events: auto;
  visibility: visible;
}

.hero-title-line-3 {
  margin: 0;
  font-size: clamp(1.6rem, 3.5vw, 3.2rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.65), 0 1px 4px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  align-self: flex-start;
  max-width: 90%;
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  visibility: hidden;
}

.hero-title-line-3.visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
  position: relative;
  pointer-events: auto;
  visibility: visible;
}

.hero-title-line-4 {
  margin: 0;
  font-size: clamp(1.6rem, 3.5vw, 3.2rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.65), 0 1px 4px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  align-self: flex-start;
  max-width: 90%;
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  visibility: hidden;
}

.hero-title-line-4.visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
  position: relative;
  pointer-events: auto;
  visibility: visible;
}


/* SECTION 2: landing */
.landing {
  position: relative;
  z-index: 1;
  padding: 28px 18px 80px;
}

.landing-header {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: sticky;
  top: 20px;
  z-index: 100;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 101;
  position: relative;
}

.menu-toggle-icon {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  position: relative;
}

.menu-toggle-icon span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.landing-header:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
  transition: transform 0.2s ease;
}

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

.logo-mark {
  width: 14px;
  height: 14px;
  border-radius: 6px;
  background: var(--green);
  box-shadow: 0 0 12px rgba(22, 255, 154, 0.4);
}

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

.nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav a {
  color: var(--muted);
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  font-weight: 500;
  position: relative;
}
.nav a::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: var(--green);
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: -1;
}
.nav a:hover {
  color: var(--text);
  border-color: var(--line);
  background: rgba(22, 255, 154, 0.1);
  transform: translateY(-1px);
}
.nav a:hover::before {
  opacity: 0.1;
}
.nav a:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.landing-hero {
  max-width: var(--max);
  margin: 26px auto 0;
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: 18px;
  align-items: start;
}

.landing-copy {
  padding: clamp(28px, 4vw, 40px);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.landing-copy:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.landing-title {
  margin: 0 0 10px;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.landing-lede {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.65;
  max-width: 66ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 14px 0 16px;
  justify-content: flex-start;
  align-items: center;
  scroll-margin-top: 120px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 12px;
  border: 2px solid var(--line);
  background: transparent;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--green);
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: -1;
}
.btn:hover {
  transform: translateY(-2px);
  border-color: var(--green);
  color: var(--text);
  box-shadow: 0 8px 24px rgba(22, 255, 154, 0.2);
}
.btn:hover::before {
  opacity: 0.1;
}
.btn:active {
  transform: translateY(0px);
}
.btn:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--green);
  color: #000;
  border-color: var(--green);
  box-shadow: 0 4px 16px rgba(22, 255, 154, 0.3);
}
.btn-primary::before {
  background: rgba(255, 255, 255, 0.2);
}
.btn-primary:hover {
  background: #14e689;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(22, 255, 154, 0.4);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
}
.btn-ghost:hover {
  background: rgba(22, 255, 154, 0.05);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  font-size: 0.9rem;
  color: rgba(245, 245, 245, 0.8);
  border: 1px solid rgba(245, 245, 245, 0.14);
  background: rgba(245, 245, 245, 0.05);
  padding: 8px 10px;
  border-radius: 999px;
}

.landing-card {
  padding: 18px 18px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(245, 245, 245, 0.12);
  background: rgba(18, 18, 18, 0.6);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.stat {
  padding: 10px 0;
}
.stat-k {
  color: rgba(245, 245, 245, 0.74);
  font-size: 0.92rem;
}
.stat-v {
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: 4px;
}
.divider {
  height: 1px;
  background: rgba(245, 245, 245, 0.12);
  margin: 12px 0;
}
.muted {
  color: var(--muted);
}

.section-title {
  max-width: var(--max);
  margin: 0 auto;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  padding: 0 18px;
  scroll-margin-top: 120px;
}

.section-intro {
  max-width: var(--max);
  margin: 12px auto 0;
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  color: var(--muted);
  padding: 0 18px;
}

.section-description {
  max-width: var(--max);
  margin: 8px auto 0;
  color: var(--muted);
  line-height: 1.65;
  padding: 0 18px;
}

.what-we-do {
  max-width: var(--max);
  margin: 60px auto 40px;
  padding: 0 18px;
  scroll-margin-top: 120px;
}

.services {
  max-width: var(--max);
  margin: 40px auto 0;
  padding: 0 18px;
}

.services > .section-title {
  margin-bottom: 24px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-soft);
  padding: 32px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.6s ease, transform 0.6s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
  will-change: opacity, transform;
  visibility: hidden;
}

/* Fallback: show sections if JavaScript fails or is disabled */
.no-js .service,
.no-js .process-steps li,
.no-js .benefits-list li {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.service.visible {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.service.visible:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--green);
}

.service h3 {
  margin: 0 0 8px;
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  letter-spacing: -0.02em;
  color: var(--text);
  position: relative;
  display: inline-block;
}

.service h3::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--green);
  opacity: 0.6;
  border-radius: 2px;
}

.service-tagline {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
}

.service-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.8;
  list-style: none;
}

.service-list li {
  margin-bottom: 8px;
  position: relative;
  padding-left: 20px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.service-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 800;
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.2s ease;
}

.service:hover .service-list li::before {
  opacity: 1;
  transform: translateX(0);
}

.service:hover .service-list li {
  color: var(--text);
  transform: translateX(4px);
}

.process-steps {
  max-width: var(--max);
  margin: 40px auto 0;
  padding: 0 18px;
  list-style: none;
  counter-reset: step-counter;
}

.process-steps li {
  counter-increment: step-counter;
  margin-bottom: 40px;
  padding-left: 70px;
  position: relative;
  transition: transform 0.3s ease, opacity 0.6s ease;
  opacity: 0;
  transform: translateY(30px);
  will-change: opacity, transform;
  visibility: hidden;
}

.process-steps li.visible {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.process-steps li.visible:hover {
  transform: translateX(8px);
}

.process-steps li::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--green);
  color: #000;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 4px 16px rgba(22, 255, 154, 0.4), 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.process-steps li:hover::before {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(22, 255, 154, 0.4);
}

.process-steps h3 {
  margin: 0 0 8px;
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  letter-spacing: -0.02em;
}

.process-steps p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.why {
  max-width: var(--max);
  margin: 60px auto 0;
  padding: 0 18px;
  scroll-margin-top: 120px;
}

.benefits-list {
  max-width: var(--max);
  margin: 24px auto 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

.benefits-list li {
  padding: 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(20px);
  color: var(--text);
  line-height: 1.6;
  position: relative;
  padding-left: 48px;
  transition: all 0.3s ease, opacity 0.6s ease, transform 0.6s ease;
  cursor: pointer;
  opacity: 0;
  transform: translateY(30px);
  visibility: hidden;
  will-change: opacity, transform;
}

.benefits-list li.visible {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.benefits-list li.visible:hover {
  transform: translateY(-4px);
  border-color: var(--green);
  box-shadow: var(--shadow-soft);
  background: rgba(22, 255, 154, 0.05);
}

.benefits-list li::before {
  content: "✓";
  position: absolute;
  left: 20px;
  color: var(--green);
  font-size: 1.2rem;
  line-height: 1;
  font-weight: 800;
  background: rgba(22, 255, 154, 0.15);
  padding: 2px 4px;
  border-radius: 4px;
  transition: transform 0.3s ease, background 0.3s ease;
}

.benefits-list li:hover::before {
  transform: scale(1.2) rotate(5deg);
}

.final-cta {
  max-width: var(--max);
  margin: 80px auto 60px;
  padding: 80px 18px;
  text-align: center;
  border-radius: var(--radius);
  border: 2px solid var(--line);
  background: linear-gradient(135deg, var(--panel) 0%, rgba(22, 255, 154, 0.05) 100%);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
  scroll-margin-top: 120px;
}

.final-cta .cta-row {
  justify-content: center;
}

.final-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(22, 255, 154, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.final-cta:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(22, 255, 154, 0.15);
}

.final-cta:hover::before {
  opacity: 1;
}

.cta-title {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.cta-description {
  margin: 0 0 32px;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.65;
}

.how {
  max-width: var(--max);
  margin: 60px auto 0;
  padding: 0 18px;
  scroll-margin-top: 120px;
}

.footer {
  max-width: var(--max);
  margin: 40px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 32px 8px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.to-top {
  color: var(--text);
  padding: 12px 20px;
  border-radius: 999px;
  border: 2px solid var(--line);
  background: transparent;
  transition: all 0.3s ease;
  font-weight: 500;
}
.to-top:hover {
  border-color: var(--green);
  background: rgba(22, 255, 154, 0.1);
  transform: translateY(-2px);
  color: var(--text);
}

/* Cursor Spotlight Effect */
.cursor-spotlight {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 255, 154, 0.08) 0%, rgba(22, 255, 154, 0.04) 30%, rgba(22, 255, 154, 0.02) 60%, transparent 80%);
  pointer-events: none;
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.2s ease, width 0.3s ease, height 0.3s ease;
  z-index: 9998;
  will-change: transform, left, top;
  mix-blend-mode: normal;
  filter: blur(30px);
}

.cursor-spotlight.active {
  opacity: 1;
}

.cursor-spotlight.hover {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(22, 255, 154, 0.12) 0%, rgba(22, 255, 154, 0.06) 30%, rgba(22, 255, 154, 0.03) 60%, transparent 80%);
  filter: blur(35px);
}

/* Disable cursor spotlight on touch devices */
@media (hover: none) and (pointer: coarse) {
  .cursor-spotlight {
    display: none;
  }
}

/* Responsive */
/* Tablet and below (max-width: 980px) */
@media (max-width: 980px) {
  .landing-hero {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .landing-header {
    flex-wrap: wrap;
  }
  .menu-toggle {
    display: flex;
  }
  .nav {
    width: 100%;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    flex-direction: column;
    gap: 0;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, padding 0.3s ease;
    padding: 0;
  }
  .landing-header[data-menu-open="true"] .nav {
    max-height: 500px;
    opacity: 1;
    padding-top: 16px;
  }
  .nav a {
    width: 100%;
    padding: 12px 16px;
    border-radius: 8px;
    text-align: left;
    border: 1px solid transparent;
  }
  .nav a:hover {
    background: rgba(22, 255, 154, 0.1);
    border-color: var(--line);
  }
  .benefits-list {
    grid-template-columns: 1fr;
  }
  .process-steps li {
    padding-left: 50px;
  }
  .footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

/* Tablet (max-width: 768px) */
@media (max-width: 768px) {
  :root {
    --scrub-runway: 280vh;
  }

  .landing {
    padding: 20px 16px 60px;
  }

  .landing-header {
    padding: 14px 18px;
    top: 12px;
  }

  .menu-toggle {
    width: 28px;
    height: 28px;
  }

  .menu-toggle-icon {
    width: 22px;
    height: 16px;
  }

  .nav a {
    padding: 12px 16px;
    font-size: 0.9rem;
  }

  .landing-hero {
    margin-top: 20px;
    gap: 16px;
  }

  .landing-copy {
    padding: clamp(24px, 4vw, 32px);
  }

  .section-title {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    padding: 0 16px;
  }

  .section-description {
    padding: 0 16px;
    font-size: clamp(0.95rem, 2vw, 1rem);
  }

  .what-we-do,
  .services,
  .how,
  .why {
    padding: 0 16px;
    margin-top: 40px;
  }

  .services-grid {
    gap: 16px;
  }

  .service {
    padding: 24px;
  }

  .process-steps {
    padding: 0 16px;
  }

  .process-steps li {
    padding-left: 60px;
    margin-bottom: 32px;
  }

  .process-steps li::before {
    width: 42px;
    height: 42px;
    font-size: 1.1rem;
  }

  .final-cta {
    padding: 60px 16px;
    margin: 60px auto 40px;
  }

  .cta-row {
    flex-direction: column;
    width: 100%;
  }

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

  .hero-overlay {
    padding: clamp(16px, 4vw, 32px);
  }

  .hero-title-line-3,
  .hero-title-line-4 {
    max-width: 95%;
  }
}

/* Mobile (max-width: 480px) */
@media (max-width: 480px) {
  :root {
    --scrub-runway: 240vh;
    --radius: 14px;
    --radius-sm: 12px;
  }

  .skip-link {
    left: 8px;
    top: 8px;
    padding: 8px 10px;
    font-size: 0.85rem;
  }

  .landing {
    padding: 16px 12px 50px;
  }

  .landing-header {
    padding: 12px 16px;
    top: 10px;
    border-radius: var(--radius-sm);
  }

  .logo {
    font-size: 0.95rem;
  }

  .logo-mark {
    width: 12px;
    height: 12px;
  }

  .menu-toggle {
    width: 28px;
    height: 28px;
  }

  .menu-toggle-icon {
    width: 20px;
    height: 14px;
  }

  .nav {
    gap: 0;
  }

  .nav a {
    padding: 14px 16px;
    font-size: 0.9rem;
    min-height: 44px; /* Ensure adequate touch target */
  }

  .landing-hero {
    margin-top: 16px;
    gap: 12px;
  }

  .landing-copy {
    padding: 20px;
    border-radius: var(--radius-sm);
  }

  .landing-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 8px;
  }

  .landing-lede {
    font-size: clamp(0.95rem, 3vw, 1.1rem);
    margin-bottom: 16px;
  }

  .section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    padding: 0 12px;
    line-height: 1.15;
  }

  .section-description {
    padding: 0 12px;
    font-size: clamp(0.9rem, 3vw, 1rem);
    margin-top: 6px;
  }

  .what-we-do,
  .services,
  .how,
  .why {
    padding: 0 12px;
    margin-top: 32px;
  }

  .what-we-do {
    margin-bottom: 32px;
  }

  .services > .section-title {
    margin-bottom: 20px;
  }

  .services-grid {
    gap: 12px;
  }

  .service {
    padding: 20px;
    border-radius: var(--radius-sm);
  }

  .service h3 {
    font-size: clamp(1.15rem, 4vw, 1.4rem);
    margin-bottom: 6px;
  }

  .service-tagline {
    font-size: clamp(0.9rem, 3vw, 1rem);
    margin-bottom: 12px;
    line-height: 1.5;
  }

  .service-list {
    padding-left: 16px;
    font-size: clamp(0.9rem, 3vw, 1rem);
  }

  .service-list li {
    padding-left: 18px;
    margin-bottom: 6px;
  }

  .process-steps {
    padding: 0 12px;
    margin-top: 32px;
  }

  .process-steps li {
    padding-left: 50px;
    margin-bottom: 28px;
  }

  .process-steps li::before {
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }

  .process-steps h3 {
    font-size: clamp(1.1rem, 4vw, 1.3rem);
    margin-bottom: 6px;
  }

  .process-steps p {
    font-size: clamp(0.9rem, 3vw, 1rem);
  }

  .final-cta {
    padding: 40px 12px;
    margin: 50px auto 32px;
    border-radius: var(--radius-sm);
  }

  .cta-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 12px;
  }

  .cta-row {
    gap: 10px;
  }

  .btn {
    padding: 12px 20px;
    font-size: clamp(0.9rem, 3vw, 1rem);
    min-height: 44px; /* Ensure adequate touch target */
  }

  .footer {
    padding: 24px 12px;
    margin-top: 32px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .to-top {
    padding: 10px 16px;
    font-size: 0.9rem;
    width: 100%;
    text-align: center;
    min-height: 44px; /* Ensure adequate touch target */
  }

  /* Hero section mobile optimizations */
  .hero-overlay {
    padding: clamp(12px, 4vw, 24px);
    gap: 16px;
  }

  .hero-text-sequence {
    gap: 16px;
  }

  .hero-brand {
    font-size: clamp(2.5rem, 10vw, 4rem);
  }

  .scroll-indicator {
    width: 18px;
    height: 18px;
  }

  .hero-title-line-1,
  .hero-title-line-2,
  .hero-title-line-3,
  .hero-title-line-4 {
    font-size: clamp(1.3rem, 5vw, 2rem);
    max-width: 95%;
  }

  .hero-text-sequence > .scroll-indicator,
  .hero-text-sequence > .hero-title-line-1,
  .hero-text-sequence > .hero-title-line-2,
  .hero-text-sequence > .hero-title-line-3,
  .hero-text-sequence > .hero-title-line-4 {
    min-height: 24px;
  }
}

/* Small mobile (max-width: 360px) */
@media (max-width: 360px) {
  .landing {
    padding: 12px 10px 40px;
  }

  .landing-header {
    padding: 10px 12px;
  }

  .nav a {
    padding: 6px 10px;
    font-size: 0.8rem;
  }

  .landing-copy {
    padding: 16px;
  }

  .service {
    padding: 16px;
  }

  .process-steps li {
    padding-left: 44px;
  }

  .process-steps li::before {
    width: 34px;
    height: 34px;
    font-size: 0.95rem;
  }

  .final-cta {
    padding: 32px 10px;
  }

  .btn {
    padding: 10px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .nav a,
  .skip-link {
    transition: none !important;
  }
  .hero-video {
    filter: none;
  }
}


html { scroll-behavior: smooth; }

/* Video Loader */
.video-loader {
  position: absolute;
  inset: 0;
  background: #2c2c2c; /* Grey background */
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.video-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-bar-container {
  width: 240px;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 99px;
  overflow: hidden;
  position: relative;
}

.loader-bar {
  height: 100%;
  width: 0%;
  background: var(--green);
  border-radius: 99px;
  transition: width 0.1s linear;
  box-shadow: 0 0 12px rgba(22, 255, 154, 0.5);
}