/* ============================================================
   Hello Retention — Main Stylesheet
   Brand Colors: Navy #1B2F4E | Red #C0392B | White #FFFFFF
   ============================================================ */

:root {
  --navy: #1B2F4E;
  --navy-dark: #122038;
  --red: #C0392B;
  --red-dark: #a93226;
  --white: #FFFFFF;
  --light-gray: #F4F6F9;
  --mid-gray: #E0E4EA;
  --text-dark: #1a1a2e;
  --text-mid: #4a5568;
  --text-light: #718096;
  --shadow: 0 4px 24px rgba(27,47,78,0.12);
  --shadow-lg: 0 8px 40px rgba(27,47,78,0.18);
  --radius: 10px;
  --radius-lg: 18px;
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5 {
  font-family: 'Oswald', 'Impact', 'Arial Black', sans-serif;
  line-height: 1.2;
  color: var(--navy);
  letter-spacing: 0.5px;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.7rem); }
h4 { font-size: 1.15rem; }
p { color: var(--text-mid); margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.6rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-mid);
  max-width: 600px;
  margin-bottom: 2.5rem;
}

.text-center { text-align: center; }
.text-white { color: var(--white) !important; }
.text-white p, .text-white h1, .text-white h2, .text-white h3 { color: var(--white); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}
.btn-primary:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(192,57,43,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--navy);
  transform: translateY(-2px);
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-navy:hover {
  background: var(--navy-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(27,47,78,0.35);
}

/* ---- Navigation ---- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--navy);
  box-shadow: 0 2px 16px rgba(0,0,0,0.18);
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(27,47,78,0.97);
  backdrop-filter: blur(10px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.nav-logo img {
  height: 54px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: 5px;
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

.nav-cta {
  background: var(--red) !important;
  color: var(--white) !important;
  padding: 10px 20px !important;
  border-radius: 6px !important;
}
.nav-cta:hover {
  background: var(--red-dark) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- Hero Section ---- */
#hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, #243b5e 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 76px;
}

#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('images/hero-pattern.svg') center/cover no-repeat;
  opacity: 0.04;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 0;
}

.hero-text .section-label { color: #e87c6f; }
.hero-text h1 { color: var(--white); margin-bottom: 1.2rem; }
.hero-text p { color: rgba(255,255,255,0.82); font-size: 1.15rem; margin-bottom: 2rem; }

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

.hero-stat-bar {
  display: flex;
  gap: 32px;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.hero-stat h3 { color: var(--red); font-size: 2.2rem; margin-bottom: 0; }
.hero-stat p { color: rgba(255,255,255,0.7); font-size: 0.85rem; margin: 0; }

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-logo-wrap {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-lg);
  animation: floatUp 3s ease-in-out infinite alternate;
}

.hero-logo-wrap img { width: 320px; max-width: 100%; }

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

/* ---- Trust Bar ---- */
#trust-bar {
  background: var(--red);
  padding: 18px 0;
}

.trust-items {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 600;
  font-size: 0.9rem;
}

.trust-item svg { flex-shrink: 0; }

/* ---- Stats Section ---- */
#stats {
  background: var(--navy);
  padding: 70px 0;
}

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

.stat-card {
  text-align: center;
  padding: 40px 24px;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.stat-card:last-child { border-right: none; }

.stat-number {
  font-family: 'Oswald', sans-serif;
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--red);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---- About / Mission Section ---- */
#about {
  padding: 100px 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image-wrap img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
}

.about-badge {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--red);
  color: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
  text-align: center;
}
.about-badge .num { font-size: 2.4rem; font-weight: 700; font-family: 'Oswald', sans-serif; line-height: 1; }
.about-badge .lbl { font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; opacity: 0.9; }

.about-text .section-label { }
.about-text h2 { margin-bottom: 1.2rem; }
.about-text p { margin-bottom: 1.2rem; }

.about-features {
  margin-top: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(192,57,43,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon svg { color: var(--red); }

.feature-text h4 { color: var(--navy); margin-bottom: 2px; font-size: 1rem; }
.feature-text p { font-size: 0.9rem; margin: 0; }

/* ---- Services Section ---- */
#services {
  padding: 100px 0;
  background: var(--light-gray);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 3rem;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow);
  border-top: 4px solid transparent;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-top-color: var(--red);
}
.service-card:hover::after { transform: scaleX(1); }

.service-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--navy), #2a4a7f);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.service-icon svg { color: var(--white); }

.service-card h3 { color: var(--navy); margin-bottom: 12px; font-size: 1.25rem; }
.service-card p { font-size: 0.95rem; margin-bottom: 20px; }

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--red);
  font-weight: 700;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
}
.service-link:hover { gap: 10px; }

/* ---- How It Works ---- */
#how-it-works {
  padding: 100px 0;
  background: var(--white);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 3rem;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: var(--mid-gray);
  z-index: 0;
}

.step-card {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  font-family: 'Oswald', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  border: 4px solid var(--white);
  box-shadow: 0 0 0 3px var(--navy);
  transition: var(--transition);
}

.step-card:hover .step-number {
  background: var(--red);
  box-shadow: 0 0 0 3px var(--red);
}

.step-card h4 { color: var(--navy); margin-bottom: 8px; }
.step-card p { font-size: 0.9rem; }

/* ---- Case Studies ---- */
#case-studies {
  padding: 100px 0;
  background: var(--light-gray);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 3rem;
}

.case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.case-header {
  background: linear-gradient(135deg, var(--navy), #2a4a7f);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.case-header h3 { color: var(--white); font-size: 1.15rem; }

.case-badge {
  background: var(--red);
  color: var(--white);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.case-body { padding: 32px; }

.case-stat-row {
  display: flex;
  gap: 24px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--mid-gray);
}

.case-stat { text-align: center; }
.case-stat .num { font-family: 'Oswald', sans-serif; font-size: 1.8rem; font-weight: 700; color: var(--red); line-height: 1; }
.case-stat .lbl { font-size: 0.78rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.5px; }

.case-body p { font-size: 0.95rem; margin-bottom: 16px; }

.case-results { margin-top: 16px; }
.case-results h4 { color: var(--navy); margin-bottom: 10px; font-size: 0.95rem; }
.case-result-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-mid);
  margin-bottom: 6px;
}
.case-result-item::before {
  content: '✓';
  color: var(--red);
  font-weight: 700;
  font-size: 1rem;
}

/* ---- Testimonials ---- */
#testimonials {
  padding: 100px 0;
  background: var(--navy);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 3rem;
}

.testimonial-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}
.testimonial-card:hover {
  background: rgba(255,255,255,0.11);
  transform: translateY(-4px);
}

.stars { color: #f6c90e; font-size: 1rem; margin-bottom: 16px; letter-spacing: 2px; }

.testimonial-card blockquote {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  font-family: 'Oswald', sans-serif;
}

.author-info .name { color: var(--white); font-weight: 700; font-size: 0.9rem; }
.author-info .role { color: rgba(255,255,255,0.55); font-size: 0.8rem; }

/* ---- Contact Section ---- */
#contact {
  padding: 100px 0;
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.contact-info h2 { margin-bottom: 1rem; }
.contact-info p { margin-bottom: 2rem; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.contact-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--navy);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-icon svg { color: var(--white); }

.contact-item-text .label { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--red); margin-bottom: 2px; }
.contact-item-text .value { font-weight: 600; color: var(--navy); font-size: 0.95rem; }
.contact-item-text a { color: var(--navy); transition: var(--transition); }
.contact-item-text a:hover { color: var(--red); }

.contact-form-wrap {
  background: var(--light-gray);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}

.contact-form-wrap h3 { color: var(--navy); margin-bottom: 24px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--mid-gray);
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--text-dark);
  background: var(--white);
  transition: var(--transition);
  font-family: inherit;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(27,47,78,0.1);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-submit { width: 100%; padding: 16px; font-size: 1rem; }

/* ---- FAQ Section ---- */
#faq {
  padding: 80px 0;
  background: var(--light-gray);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 3rem;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  transition: var(--transition);
}
.faq-question:hover { background: var(--light-gray); }

.faq-icon {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 300;
  transition: var(--transition);
}

.faq-item.open .faq-icon {
  background: var(--red);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.92rem;
  color: var(--text-mid);
  margin: 0;
}

/* ---- CTA Banner ---- */
#cta-banner {
  background: linear-gradient(135deg, var(--red) 0%, #a93226 100%);
  padding: 80px 0;
  text-align: center;
}

#cta-banner h2 { color: var(--white); margin-bottom: 1rem; }
#cta-banner p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-bottom: 2rem; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---- Footer ---- */
#footer {
  background: var(--navy-dark);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand img { height: 60px; margin-bottom: 16px; }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.9rem; max-width: 280px; }

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
  font-size: 0.9rem;
  font-weight: 700;
}
.social-btn:hover { background: var(--red); color: var(--white); }

.footer-col h4 {
  color: var(--white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--red);
  display: inline-block;
}

.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--white); padding-left: 4px; }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-contact-item svg { color: var(--red); flex-shrink: 0; margin-top: 2px; }
.footer-contact-item span { color: rgba(255,255,255,0.7); font-size: 0.88rem; line-height: 1.5; }
.footer-contact-item a { color: rgba(255,255,255,0.7); transition: var(--transition); }
.footer-contact-item a:hover { color: var(--white); }

.footer-hours {
  margin-top: 4px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p { color: rgba(255,255,255,0.45); font-size: 0.82rem; margin: 0; }
.footer-bottom a { color: rgba(255,255,255,0.45); transition: var(--transition); }
.footer-bottom a:hover { color: var(--white); }

/* ---- Scroll to Top ---- */
#scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  background: var(--red);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  z-index: 999;
}
#scroll-top.visible { opacity: 1; pointer-events: all; }
#scroll-top:hover { background: var(--red-dark); transform: translateY(-3px); }

/* ---- Animations ---- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .stat-card:nth-child(2n) { border-right: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .about-image-wrap { display: none; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid::before { display: none; }
  .case-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 76px; left: 0; right: 0; background: var(--navy); padding: 16px; gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stat-bar { flex-direction: column; gap: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   WHY HELLO RETENTION — Comparison Section
   ============================================================ */
#why-us {
  padding: 80px 0;
  background: var(--light-gray);
}

/* Comparison Table */
.comparison-table-wrap {
  overflow-x: auto;
  margin: 0 0 60px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: 0.95rem;
}

.comparison-table thead tr {
  background: var(--navy);
  color: #fff;
}

.comparison-table thead th {
  padding: 18px 20px;
  text-align: center;
  font-family: 'Oswald', sans-serif;
  font-size: 1rem;
  letter-spacing: 0.5px;
  font-weight: 600;
  border-right: 1px solid rgba(255,255,255,0.1);
}

.comparison-table thead th:first-child {
  text-align: left;
  width: 32%;
}

.comparison-table thead th.col-hr {
  background: var(--red);
  color: #fff;
}

.comparison-table tbody tr {
  border-bottom: 1px solid var(--mid-gray);
  transition: background 0.2s;
}

.comparison-table tbody tr:last-child {
  border-bottom: none;
}

.comparison-table tbody tr.alt {
  background: #f8fafc;
}

.comparison-table tbody tr:hover {
  background: #eef2f8;
}

.comparison-table tbody td {
  padding: 14px 20px;
  text-align: center;
  color: var(--text-mid);
  border-right: 1px solid var(--mid-gray);
  vertical-align: middle;
}

.comparison-table tbody td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--text-dark);
}

.comparison-table tbody td:last-child {
  border-right: none;
}

.comparison-table td.col-hr {
  background: rgba(192, 57, 43, 0.06);
  font-weight: 700;
}

.comparison-table td.check {
  color: #27ae60;
  font-size: 1.2rem;
  font-weight: 700;
}

.comparison-table td.cross {
  color: #e74c3c;
  font-size: 0.9rem;
}

.comparison-table td.partial {
  color: #e67e22;
  font-size: 0.9rem;
}

/* Why Cards */
.why-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 0;
}

.why-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  text-align: center;
  border-top: 4px solid var(--red);
  transition: var(--transition);
}

.why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.why-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
  display: block;
}

.why-card h4 {
  color: var(--navy);
  font-family: 'Oswald', sans-serif;
  font-size: 1.15rem;
  margin-bottom: 12px;
  letter-spacing: 0.3px;
}

.why-card p {
  font-size: 0.95rem;
  color: var(--text-mid);
  margin: 0;
}

/* Responsive */
@media (max-width: 900px) {
  .why-cards { grid-template-columns: 1fr; }
  .comparison-table thead th,
  .comparison-table tbody td { padding: 12px 14px; font-size: 0.85rem; }
}

@media (max-width: 640px) {
  .why-cards { grid-template-columns: 1fr; }
}

/* ============================================================
   STANDOUT DIFFERENTIATORS SECTION
   ============================================================ */
#why-us {
  padding: 80px 0;
  background: var(--white);
}

.standout-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.standout-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--light-gray);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border-left: 5px solid var(--red);
  transition: var(--transition);
}

.standout-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background: #fff;
}

.standout-icon-wrap {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: var(--navy);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.standout-text h4 {
  color: var(--navy);
  font-family: 'Oswald', sans-serif;
  font-size: 1.1rem;
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.standout-text p {
  font-size: 0.93rem;
  color: var(--text-mid);
  margin: 0;
  line-height: 1.65;
}

@media (max-width: 900px) {
  .standout-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   ROI MATH SECTION
   ============================================================ */
#roi {
  padding: 80px 0;
  background: var(--navy);
}

#roi .section-label { color: var(--red); }
#roi .section-title { color: #fff; }
#roi .section-subtitle { color: rgba(255,255,255,0.75); }
#roi .section-subtitle strong { color: #fff; }

.roi-highlight {
  color: var(--red);
}

/* Math Block */
.roi-math-block {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 48px;
}

.roi-scenario {
  margin-bottom: 0;
}

.roi-scenario-header {
  font-family: 'Oswald', sans-serif;
  font-size: 1.05rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.roi-scenario-after .roi-scenario-header {
  color: #5dde8a;
}

.roi-math-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.roi-math-item {
  background: rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 16px 20px;
  text-align: center;
  min-width: 120px;
  flex: 1;
}

.roi-math-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.roi-math-value {
  font-family: 'Oswald', sans-serif;
  font-size: 1.4rem;
  color: #fff;
  font-weight: 700;
}

.roi-math-op {
  font-size: 1.6rem;
  color: rgba(255,255,255,0.4);
  font-weight: 300;
  flex-shrink: 0;
}

.roi-math-total {
  background: rgba(192,57,43,0.25);
  border: 2px solid var(--red);
}

.roi-math-total .roi-math-value {
  color: #ff8a7a;
}

.roi-math-total-green {
  background: rgba(39,174,96,0.2);
  border: 2px solid #27ae60;
}

.roi-math-total-green .roi-math-value {
  color: #5dde8a;
}

/* Divider */
.roi-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 32px 0;
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.roi-divider-line {
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.15);
}

/* Savings Banner */
.roi-savings-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: linear-gradient(135deg, var(--red), #e84c3d);
  border-radius: var(--radius-lg);
  margin-top: 32px;
  padding: 32px 40px;
  flex-wrap: wrap;
}

.roi-savings-item {
  text-align: center;
  flex: 1;
  min-width: 140px;
  padding: 8px 20px;
}

.roi-savings-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.8);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.roi-savings-value {
  font-family: 'Oswald', sans-serif;
  font-size: 2.4rem;
  color: #fff;
  font-weight: 700;
  line-height: 1;
}

.roi-savings-divider {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.3);
  flex-shrink: 0;
}

/* Interactive Calculator */
.roi-calculator {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 44px 48px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.roi-calc-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  color: var(--navy);
}

.roi-calc-header h3 {
  font-size: 1.5rem;
  color: var(--navy);
  margin: 0;
}

.roi-calc-sub {
  color: var(--text-mid);
  margin-bottom: 28px;
  font-size: 0.95rem;
}

.roi-calc-inputs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.roi-calc-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.roi-calc-field input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--mid-gray);
  border-radius: var(--radius);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  font-family: 'Oswald', sans-serif;
  transition: var(--transition);
  background: var(--light-gray);
}

.roi-calc-field input:focus {
  outline: none;
  border-color: var(--red);
  background: #fff;
}

.roi-calc-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.roi-result-card {
  background: var(--light-gray);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  border-top: 4px solid var(--mid-gray);
}

.roi-result-card-savings {
  background: #e8f8ee;
  border-top-color: #27ae60;
}

.roi-result-label {
  font-size: 0.8rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.roi-result-value {
  font-family: 'Oswald', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--navy);
}

.roi-result-card-savings .roi-result-value {
  color: #27ae60;
}

.roi-disclaimer {
  font-size: 0.78rem;
  color: var(--text-light);
  font-style: italic;
  margin: 0;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .roi-math-row { gap: 8px; }
  .roi-math-item { min-width: 90px; padding: 12px 10px; }
  .roi-math-value { font-size: 1.1rem; }
  .roi-calc-inputs { grid-template-columns: 1fr; }
  .roi-calc-results { grid-template-columns: 1fr; }
  .roi-savings-banner { flex-direction: column; gap: 16px; }
  .roi-savings-divider { width: 60px; height: 1px; }
  .roi-calculator { padding: 28px 20px; }
  .roi-math-block { padding: 24px 16px; }
}

@media (max-width: 640px) {
  .roi-math-row { flex-direction: column; align-items: stretch; }
  .roi-math-op { text-align: center; }
}

/* ============================================================
   ROI STAT TRIO PILLS
   ============================================================ */
.roi-stat-trio {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin: 0 auto 48px;
}

.roi-stat-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 12px;
  padding: 20px 28px;
  min-width: 180px;
  flex: 1;
  max-width: 240px;
  transition: var(--transition);
}

.roi-stat-pill:hover {
  background: rgba(255,255,255,0.13);
  transform: translateY(-3px);
}

.roi-stat-pill-red {
  background: rgba(192,57,43,0.2);
  border-color: rgba(192,57,43,0.4);
}

.roi-stat-pill-num {
  font-family: 'Oswald', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.roi-stat-pill-red .roi-stat-pill-num {
  color: #ff8a7a;
}

.roi-stat-pill-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-align: center;
  line-height: 1.4;
}

@media (max-width: 640px) {
  .roi-stat-trio { flex-direction: column; align-items: center; }
  .roi-stat-pill { max-width: 100%; width: 100%; }
}

/* ============================================================
   UPGRADED CALCULATOR — SLIDER, STEP LABELS, 90-DAY CARDS
   ============================================================ */

/* Step labels */
.calc-step-label {
  font-family: 'Oswald', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin: 28px 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--mid-gray);
}

/* Slider wrapper */
.calc-slider-wrap {
  margin-bottom: 8px;
}

.calc-slider-labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 0.8rem;
  color: var(--text-light);
}

.calc-slider-pct {
  font-family: 'Oswald', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--red);
  background: #fff5f5;
  border: 2px solid var(--red);
  border-radius: 8px;
  padding: 4px 16px;
  min-width: 160px;
  text-align: center;
  transition: var(--transition);
}

/* Custom range slider */
.calc-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(to right, var(--red) var(--fill, 28.57%), var(--mid-gray) var(--fill, 28.57%));
  outline: none;
  cursor: pointer;
  margin-bottom: 8px;
  --fill: 28.57%;
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--red);
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(192,57,43,0.4);
  cursor: pointer;
  transition: transform 0.15s ease;
}

.calc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.calc-slider::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--red);
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(192,57,43,0.4);
  cursor: pointer;
}

.calc-slider-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-light);
  padding: 0 2px;
  margin-bottom: 8px;
}

.calc-slider-note {
  font-size: 0.82rem;
  color: var(--text-mid);
  margin: 0;
  text-align: center;
  font-style: italic;
}

.calc-slider-note strong {
  color: var(--navy);
}

/* Period headers */
.calc-period-header {
  font-family: 'Oswald', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 24px 0 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.calc-period-header-90 {
  color: var(--red);
}

.calc-90-badge {
  font-size: 0.7rem;
  font-family: 'Inter', sans-serif;
  background: var(--red);
  color: #fff;
  border-radius: 20px;
  padding: 2px 10px;
  letter-spacing: 0.5px;
  font-weight: 600;
  text-transform: uppercase;
}

/* 90-day results grid — 4 columns */
.roi-calc-results-90 {
  grid-template-columns: repeat(4, 1fr);
}

.roi-result-card-90 {
  background: #fff8f7;
  border-top: 4px solid #e8c5c0;
}

.roi-result-card-savings-90 {
  background: #e8f8ee;
  border-top-color: #27ae60;
}

.roi-result-card-profit {
  background: #1B2F4E;
  border-top-color: var(--red);
}

.roi-result-card-profit .roi-result-label {
  color: rgba(255,255,255,0.7);
}

.roi-result-card-profit .roi-result-value {
  color: #5dde8a;
}

.roi-result-sub {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.55);
  margin-top: 4px;
  line-height: 1.4;
}

@media (max-width: 900px) {
  .roi-calc-results-90 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .roi-calc-results-90 { grid-template-columns: 1fr; }
}