/* ============================================================
   TideShift AI — Main Stylesheet
   Brand: Deep Navy (#0A1628) + Teal/Cyan (#00D4FF) + White
   Font: Inter (Google Fonts)
   Mobile-first responsive design
   ============================================================ */

/* ----------------------------
   CSS Custom Properties
---------------------------- */
:root {
  --navy:       #0A1628;
  --navy-mid:   #0F2040;
  --navy-light: #162B4D;
  --teal:       #00D4FF;
  --teal-dark:  #00A8CC;
  --teal-glow:  rgba(0, 212, 255, 0.15);
  --white:      #FFFFFF;
  --off-white:  #F0F4F8;
  --gray-text:  #9BB0CC;
  --gray-light: #C8D8E8;
  --card-bg:    rgba(15, 32, 64, 0.8);
  --border:     rgba(0, 212, 255, 0.15);

  --font:       'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  32px;

  --shadow-sm:  0 2px 12px rgba(0, 0, 0, 0.3);
  --shadow-md:  0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg:  0 16px 64px rgba(0, 0, 0, 0.5);
  --glow:       0 0 40px rgba(0, 212, 255, 0.2);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s ease;

  --max-width:  1200px;
  --section-pad: 100px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background-color: var(--navy);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

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

.section {
  padding: var(--section-pad) 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-glow);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-text);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.desktop-break { display: none; }

/* ----------------------------
   Buttons
---------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  line-height: 1;
}

.btn-primary {
  background: var(--teal);
  color: var(--navy);
  border-color: var(--teal);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.45);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover, .btn-ghost:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--teal);
  border-color: var(--teal);
}

.btn-outline:hover, .btn-outline:focus-visible {
  background: var(--teal);
  color: var(--navy);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
  transform: translateY(-2px);
}

.btn-lg { font-size: 1rem; padding: 16px 32px; }
.btn-xl { font-size: 1.1rem; padding: 18px 40px; border-radius: var(--radius-md); }

.btn-arrow {
  transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow { transform: translateX(4px); }

.text-link {
  color: var(--teal);
  font-weight: 600;
  transition: opacity var(--transition-fast);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.text-link:hover { opacity: 0.8; }

/* ----------------------------
   NAVIGATION
---------------------------- */
.nav-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.nav-wrapper.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0, 212, 255, 0.1), 0 4px 24px rgba(0, 0, 0, 0.4);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.logo-icon { font-size: 1.4rem; }
.logo-text { color: var(--white); }
.logo-accent { color: var(--teal); }
.nav-logo-img { height: 72px; width: auto; display: block; }

/* ----------------------------
   Site Banner (below nav)
---------------------------- */
.site-banner {
  width: 100%;
  margin-top: 68px;
  height: 160px; /* adjust this single value to control banner height */
  background: #0A1628 url('../img/banner.png') center center / contain no-repeat;
}

/* Nav Links */
.nav-links {
  display: none;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-light);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover, .nav-link:focus-visible {
  color: var(--white);
  background: rgba(255, 255, 255, 0.07);
}

.nav-cta { display: none; }

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.hamburger:hover { background: rgba(255, 255, 255, 0.07); }

.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}

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

/* Mobile Menu */
.mobile-menu {
  background: rgba(10, 22, 40, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.is-open {
  max-height: 400px;
}

.mobile-links {
  display: flex;
  flex-direction: column;
  padding: 16px 24px 24px;
  gap: 4px;
}

.mobile-link {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-light);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.mobile-link:hover, .mobile-link:focus-visible {
  color: var(--white);
  background: rgba(255, 255, 255, 0.07);
}

.mobile-cta {
  margin-top: 12px;
  justify-content: center;
  width: 100%;
}

/* ----------------------------
   HERO SECTION
---------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy);
  padding-top: 72px;
}

/* Animated wave background */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.wave {
  position: absolute;
  bottom: -2px;
  left: -10%;
  width: 120%;
  opacity: 0.06;
  border-radius: 50%;
}

.wave-1 {
  height: 350px;
  background: radial-gradient(ellipse at center, var(--teal) 0%, transparent 70%);
  animation: waveFloat 8s ease-in-out infinite;
}

.wave-2 {
  height: 280px;
  background: radial-gradient(ellipse at center, var(--teal) 0%, transparent 65%);
  animation: waveFloat 11s ease-in-out infinite reverse;
  opacity: 0.04;
  left: 20%;
}

.wave-3 {
  height: 220px;
  background: radial-gradient(ellipse at center, #0084FF 0%, transparent 60%);
  animation: waveFloat 14s ease-in-out infinite;
  opacity: 0.05;
  left: 40%;
}

@keyframes waveFloat {
  0%, 100% { transform: translateY(0) scaleX(1); }
  50% { transform: translateY(-30px) scaleX(1.05); }
}

/* Particles canvas */
.particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
}

/* Hero gradient overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0, 212, 255, 0.06) 0%, transparent 60%),
    linear-gradient(180deg, rgba(10, 22, 40, 0) 0%, rgba(10, 22, 40, 0.4) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 80px 24px;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--teal);
  background: var(--teal-glow);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
  animation: fadeInDown 0.6s ease both;
}

.hero-headline {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 24px;
  animation: fadeInUp 0.7s ease 0.1s both;
}

.hero-subhead {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--gray-text);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto 40px;
  animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 24px;
  animation: fadeInUp 0.7s ease 0.3s both;
}

.hero-note {
  font-size: 0.85rem;
  color: var(--gray-text);
  animation: fadeInUp 0.7s ease 0.4s both;
}

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

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ----------------------------
   SOCIAL PROOF BAR
---------------------------- */
.proof-bar {
  background: rgba(0, 212, 255, 0.06);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.proof-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
}

.proof-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--teal);
  letter-spacing: 0.04em;
}

.proof-cities {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-light);
}

.dot {
  color: var(--teal);
  font-weight: 700;
}

/* ----------------------------
   PAIN POINTS
---------------------------- */
.pain-points {
  background: var(--navy);
}

.pain-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.pain-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.pain-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.pain-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), var(--glow);
}

.pain-card:hover::before { opacity: 1; }

.pain-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.pain-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.4;
}

.pain-desc {
  font-size: 0.95rem;
  color: var(--gray-text);
  line-height: 1.7;
}

.pain-bridge {
  text-align: center;
  background: var(--teal-glow);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  font-size: 1.15rem;
  color: var(--gray-light);
}

.pain-bridge strong {
  color: var(--teal);
  font-weight: 700;
}

/* ----------------------------
   SERVICES / PRICING
---------------------------- */
.services {
  background: var(--navy-mid);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(0, 212, 255, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

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

.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 212, 255, 0.25);
}

/* Featured / Most Popular card */
.service-card--featured {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, var(--card-bg) 60%);
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: var(--shadow-md), 0 0 60px rgba(0, 212, 255, 0.08);
}

.service-card--featured:hover {
  box-shadow: var(--shadow-lg), 0 0 80px rgba(0, 212, 255, 0.15);
  border-color: var(--teal);
}

.service-popular-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--teal);
  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  border-radius: 100px;
  text-transform: uppercase;
}

.service-emoji {
  font-size: 2.25rem;
  margin-bottom: 16px;
  display: block;
}

.service-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.service-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
}

.service-price {
  text-align: right;
}

.price-amount {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--teal);
  line-height: 1;
}

.price-period {
  font-size: 0.9rem;
  color: var(--gray-text);
  font-weight: 500;
}

.service-hook {
  font-size: 0.95rem;
  color: var(--gray-text);
  margin-bottom: 24px;
  line-height: 1.6;
  min-height: 3.2em;
}

.service-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}

.service-features li {
  font-size: 0.9rem;
  color: var(--gray-light);
  line-height: 1.5;
  padding-left: 4px;
}

.service-features li em {
  color: var(--teal);
  font-style: normal;
}

.service-cta {
  width: 100%;
  justify-content: center;
  margin-top: auto;
}

.services-note {
  text-align: center;
  margin-top: 48px;
  font-size: 0.95rem;
  color: var(--gray-text);
}

/* ----------------------------
   HOW IT WORKS
---------------------------- */
.how-it-works {
  background: var(--navy);
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: center;
}

.step-connector {
  display: none;
  font-size: 2rem;
  color: var(--teal);
  text-align: center;
  opacity: 0.5;
}

.step {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.step:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.step-number {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--teal);
  margin-bottom: 12px;
  display: block;
}

.step-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.3;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--gray-text);
  line-height: 1.7;
}

/* ----------------------------
   WHO WE HELP
---------------------------- */
.who-we-help {
  background: var(--navy-mid);
}

.who-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.who-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}

.who-card:hover {
  border-color: rgba(0, 212, 255, 0.35);
  background: rgba(0, 212, 255, 0.05);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.who-icon {
  font-size: 2.25rem;
  margin-bottom: 12px;
  display: block;
}

.who-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-light);
}

.who-cta {
  text-align: center;
  font-size: 0.95rem;
  color: var(--gray-text);
}

/* ----------------------------
   CTA SECTION
---------------------------- */
.cta-section {
  position: relative;
  background: var(--navy-light);
  padding: 120px 0;
  overflow: hidden;
  text-align: center;
}

.cta-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cta-wave {
  position: absolute;
  border-radius: 50%;
}

.cta-wave-1 {
  width: 800px;
  height: 800px;
  background: radial-gradient(ellipse, rgba(0, 212, 255, 0.07) 0%, transparent 60%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 6s ease-in-out infinite;
}

.cta-wave-2 {
  width: 1200px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(0, 132, 255, 0.04) 0%, transparent 60%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 9s ease-in-out infinite reverse;
}

@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.7; }
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-headline {
  font-size: clamp(1.75rem, 5vw, 3.25rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 24px;
}

.cta-subtext {
  font-size: 1.05rem;
  color: var(--gray-text);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto 40px;
}

.cta-btn {
  box-shadow: 0 8px 40px rgba(0, 212, 255, 0.4);
}

.cta-btn:hover {
  box-shadow: 0 12px 60px rgba(0, 212, 255, 0.55) !important;
}

.cta-reassurance {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--gray-text);
}

/* ----------------------------
   FOOTER
---------------------------- */
.footer {
  background: #060E1A;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  padding: 64px 24px 48px;
}

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

.footer-logo {
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 0.95rem;
  color: var(--gray-text);
  font-style: italic;
}

.footer-location {
  font-size: 0.85rem;
  color: var(--gray-text);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.footer-col-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
}

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

.footer-link {
  font-size: 0.9rem;
  color: var(--gray-text);
  transition: color var(--transition-fast);
}

.footer-link:hover, .footer-link:focus-visible {
  color: var(--white);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(155, 176, 204, 0.6);
}

/* ----------------------------
   SCROLL ANIMATIONS
---------------------------- */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delay for grid children */
[data-animate]:nth-child(2) { transition-delay: 0.1s; }
[data-animate]:nth-child(3) { transition-delay: 0.2s; }

/* ----------------------------
   ACCESSIBILITY
---------------------------- */
:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ----------------------------
   RESPONSIVE — Tablet (640px+)
---------------------------- */
@media (min-width: 640px) {
  .pain-grid {
    grid-template-columns: 1fr;
  }

  .who-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .proof-bar-inner {
    flex-direction: row;
    flex-wrap: nowrap;
  }
}

/* ----------------------------
   RESPONSIVE — Desktop (900px+)
---------------------------- */
@media (min-width: 900px) {
  :root { --section-pad: 120px; }

  .desktop-break { display: inline; }

  /* Nav */
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .hamburger { display: none; }
  .mobile-menu { display: none; }

  /* Pain grid */
  .pain-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Services */
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }

  /* Steps */
  .steps-grid {
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 0 16px;
    align-items: start;
  }

  .step-connector {
    display: block;
    padding-top: 80px;
  }

  .step { text-align: left; }

  /* Who grid */
  .who-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  /* Footer */
  .footer-inner {
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
  }
}

/* ----------------------------
   RESPONSIVE — Large (1100px+)
---------------------------- */
@media (min-width: 1100px) {
  .service-card--featured {
    transform: scale(1.02);
  }
  .service-card--featured:hover {
    transform: scale(1.02) translateY(-6px);
  }
}

/* ----------------------------
   REDUCED MOTION
---------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html { scroll-behavior: auto; }
  [data-animate] { opacity: 1; transform: none; }
}