/* ===========================
   NVIROTECH - Main Stylesheet
   =========================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@400;600;700;800&display=swap');

/* ---- CSS Variables ---- */
:root {
  --red: #c00000;
  --red-dark: #970000;
  --dark: #23252a;
  --dark-mid: #333333;
  --gray: #666666;
  --gray-light: #f5f5f5;
  --border: #e0e0e0;
  --white: #ffffff;
  --font-body: 'Inter', sans-serif;
  --font-heading: 'Poppins', sans-serif;
  --transition: all 0.3s ease;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 15px;
  color: #222;
  line-height: 1.7;
  background: #fff;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

/* ---- Top Bar ---- */
.top-bar {
  background: var(--dark);
  color: #ccc;
  font-size: 13px;
  padding: 7px 0;
}
.top-bar .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px; }
.top-bar a { color: #ccc; }
.top-bar a:hover { color: var(--red); }
.top-bar-left { display: flex; align-items: center; gap: 20px; }
.top-bar-left span { display: flex; align-items: center; gap: 6px; }
.top-bar-right { display: flex; align-items: center; gap: 12px; }
.top-bar-right a {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
  color: #ccc;
  font-size: 13px;
  transition: var(--transition);
}
.top-bar-right a:hover { background: var(--red); color: #fff; }

/* ---- Header ---- */
.site-header {
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.logo-wrap { display: flex; align-items: center; gap: 10px; }
.logo-img { height: 56px; width: auto; display: block; object-fit: contain; }
.logo-text { font-family: var(--font-heading); font-size: 22px; font-weight: 800; color: var(--red); line-height: 1.1; }
.logo-text span { display: block; font-size: 11px; font-weight: 400; color: var(--gray); letter-spacing: 2px; text-transform: uppercase; }

/* ---- Nav ---- */
.main-nav ul { display: flex; align-items: center; gap: 4px; }
.main-nav ul li a {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  color: #333;
  border-radius: 4px;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.main-nav ul li a:hover,
.main-nav ul li a.active { color: var(--red); }
.main-nav ul li a.nav-cta {
  background: var(--red);
  color: #fff;
  padding: 8px 18px;
  border-radius: 4px;
}
.main-nav ul li a.nav-cta:hover { background: var(--red-dark); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { width: 24px; height: 2px; background: #333; display: block; transition: var(--transition); border-radius: 2px; }

/* ---- Container ---- */
.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.btn-primary { background: var(--red); color: #fff; border-color: var(--red); }
.btn-primary:hover { background: var(--red-dark); border-color: var(--red-dark); }
.btn-outline { background: transparent; color: var(--red); border-color: var(--red); }
.btn-outline:hover { background: var(--red); color: #fff; }
.btn-white { background: #fff; color: var(--red); }
.btn-white:hover { background: var(--red); color: #fff; }

/* ---- Section Titles ---- */
.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-heading);
  font-size: 34px;
  font-weight: 800;
  color: #1a1a1a;
  line-height: 1.25;
  margin-bottom: 16px;
}
.section-title.light { color: #fff; }
.section-subtitle {
  font-size: 16px;
  color: var(--gray);
  max-width: 620px;
  line-height: 1.8;
}
.section-subtitle.center { margin: 0 auto; text-align: center; }
.text-center { text-align: center; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }
.mb-60 { margin-bottom: 60px; }
.mt-40 { margin-top: 40px; }

/* ---- Hero (Homepage) ---- */
.hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #23252a 60%, #3a0000 100%);
  min-height: 88vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/hero-bg.jpg') center/cover no-repeat;
  opacity: 0.18;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.2) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 640px; }
.hero-tag {
  display: inline-block;
  background: rgba(192,0,0,0.2);
  border: 1px solid rgba(192,0,0,0.5);
  color: #ff9999;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 3px;
  margin-bottom: 22px;
}
.hero h1 {
  font-family: var(--font-heading);
  font-size: 52px;
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 22px;
}
.hero h1 em { color: var(--red); font-style: normal; }
.hero p {
  font-size: 17px;
  color: rgba(255,255,255,0.82);
  margin-bottom: 34px;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- Stats Bar ---- */
.stats-bar {
  background: var(--red);
  padding: 30px 0;
}
.stats-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 20px;
}
.stat-item { text-align: center; color: #fff; }
.stat-number {
  font-family: var(--font-heading);
  font-size: 38px;
  font-weight: 800;
  line-height: 1;
  display: block;
}
.stat-label { font-size: 13px; opacity: 0.88; text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }

/* ---- Section Padding ---- */
.section-pad { padding: 80px 0; }
.section-pad-sm { padding: 50px 0; }

/* ---- Two-col grid ---- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.four-col { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---- About Section ---- */
.about-img-wrap {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}
.about-img-wrap img { width: 100%; height: 400px; object-fit: cover; }
.about-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--red);
  color: #fff;
  padding: 16px 22px;
  border-radius: 6px;
  text-align: center;
}
.about-badge strong { display: block; font-size: 32px; font-weight: 800; line-height: 1; }
.about-badge span { font-size: 12px; opacity: 0.9; text-transform: uppercase; letter-spacing: 1px; }

/* Checklist */
.checklist { margin: 20px 0; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 15px;
  color: #444;
}
.checklist li::before {
  content: '\2713';
  display: flex; align-items: center; justify-content: center;
  min-width: 22px; height: 22px;
  background: var(--red);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  border-radius: 50%;
  margin-top: 1px;
}

/* ---- Services / Cards ---- */
.service-card {
  background: #fff;
  border-radius: 8px;
  padding: 32px 24px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.service-card:hover { box-shadow: 0 12px 40px rgba(192,0,0,0.12); transform: translateY(-4px); }
.service-card:hover::before { transform: scaleX(1); }
.card-icon {
  width: 56px; height: 56px;
  background: rgba(192,0,0,0.08);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  color: var(--red);
  font-size: 24px;
}
.service-card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #1a1a1a;
}
.service-card p { font-size: 14px; color: var(--gray); line-height: 1.7; }

/* ---- Product Section ---- */
.product-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0,0,0,0.1);
  margin-bottom: 40px;
}
.product-block-img { position: relative; overflow: hidden; }
.product-block-img img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; transition: transform 0.5s ease; }
.product-block:hover .product-block-img img { transform: scale(1.05); }
.product-block-content {
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #f9f9f9;
}
.product-block-content h3 {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  color: #1a1a1a;
  margin-bottom: 16px;
}

/* ---- Gray BG Section ---- */
.bg-gray { background: var(--gray-light); }
.bg-dark { background: var(--dark); color: #fff; }
.bg-red { background: var(--red); color: #fff; }

/* ---- CTA Section ---- */
.cta-section {
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  padding: 80px 0;
  text-align: center;
  color: #fff;
}
.cta-section h2 {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-section p { font-size: 17px; opacity: 0.9; margin-bottom: 34px; }

/* ---- Quote Modal ---- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal {
  background: #fff;
  border-radius: 10px;
  max-width: 560px;
  width: 100%;
  padding: 40px;
  position: relative;
  animation: modalIn 0.3s ease;
  max-height: 90vh;
  overflow-y: auto;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
.modal-close {
  position: absolute;
  top: 16px; right: 18px;
  background: none; border: none;
  font-size: 22px; cursor: pointer;
  color: #888; transition: var(--transition);
  line-height: 1;
}
.modal-close:hover { color: var(--red); }
.modal h2 {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  color: #1a1a1a;
  margin-bottom: 6px;
}
.modal p.modal-sub { font-size: 14px; color: var(--gray); margin-bottom: 28px; }

/* ---- Forms ---- */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #444;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
  font-family: var(--font-body);
  color: #333;
  transition: var(--transition);
  background: #fafafa;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--red);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(192,0,0,0.08);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-msg {
  padding: 14px 18px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  margin-top: 14px;
  display: none;
}
.form-msg.success { background: #e6f9ed; color: #1a7a40; border: 1px solid #93dba8; display: block; }
.form-msg.error { background: #fce8e8; color: #c00000; border: 1px solid #f5aaaa; display: block; }

/* ---- Contact Section ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; }
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}
.contact-icon {
  width: 48px; height: 48px; min-width: 48px;
  background: rgba(192,0,0,0.1);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--red);
  font-size: 20px;
}
.contact-info-item h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
  color: #1a1a1a;
}
.contact-info-item p, .contact-info-item a { font-size: 15px; color: var(--gray); }
.contact-info-item a:hover { color: var(--red); }

/* ---- Page Hero (inner pages) ---- */
.page-hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #23252a 100%);
  padding: 70px 0 60px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url('../images/hero-bg.jpg') center/cover no-repeat;
  opacity: 0.1;
}
.page-hero-content { position: relative; z-index: 2; }
.page-hero h1 {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
}
.breadcrumb a { color: rgba(255,255,255,0.65); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb .current { color: var(--red); }

/* ---- Partners / Logos ---- */
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.partner-logo {
  background: #fff;
  border: 1px solid var(--border);
  padding: 14px 22px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  color: #555;
  transition: var(--transition);
}
.partner-logo:hover { border-color: var(--red); color: var(--red); }

/* Customers grid */
.customers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 30px;
}
.customer-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 600;
  color: #444;
  text-align: center;
  transition: var(--transition);
}
.customer-item:hover { border-color: var(--red); color: var(--red); background: rgba(192,0,0,0.03); }

/* ---- CIP Material ---- */
.material-block {
  background: linear-gradient(135deg, #1a1a2e, #23252a);
  border-radius: 10px;
  padding: 48px;
  color: #fff;
  margin: 40px 0;
}
.material-block h3 {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 14px;
  color: #fff;
}
.material-block p { color: rgba(255,255,255,0.78); font-size: 15px; }
.code-badge {
  display: inline-block;
  background: var(--red);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 4px 10px;
  border-radius: 3px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

/* CIP Applications */
.app-card {
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.app-card:hover { box-shadow: 0 10px 32px rgba(192,0,0,0.1); transform: translateY(-3px); }
.app-card-img { height: 200px; overflow: hidden; }
.app-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.app-card:hover .app-card-img img { transform: scale(1.06); }
.app-card-body { padding: 22px; }
.app-card-body h4 {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #1a1a1a;
}
.app-card-body p { font-size: 14px; color: var(--gray); line-height: 1.65; }

/* CIP References */
.ref-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.ref-item {
  background: rgba(192,0,0,0.06);
  border: 1px solid rgba(192,0,0,0.2);
  border-radius: 4px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--red);
}

/* ---- Newsletter ---- */
.newsletter {
  background: var(--red);
  padding: 50px 0;
}
.newsletter .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.newsletter-text h3 {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}
.newsletter-text p { color: rgba(255,255,255,0.85); font-size: 15px; }
.newsletter-form { display: flex; gap: 10px; flex: 1; max-width: 440px; }
.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  font-family: var(--font-body);
}
.newsletter-form input:focus { outline: none; box-shadow: 0 0 0 3px rgba(255,255,255,0.3); }
.newsletter-form button {
  padding: 12px 22px;
  background: var(--dark);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  font-family: var(--font-body);
}
.newsletter-form button:hover { background: #000; }

/* ---- Footer ---- */
.site-footer { background: var(--dark); color: rgba(255,255,255,0.75); padding: 70px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 50px;
  margin-bottom: 50px;
}
.footer-brand .logo-text { color: #fff; }
.footer-brand .logo-text span { color: rgba(255,255,255,0.5); }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 14px; color: rgba(255,255,255,0.6); }
.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 36px; height: 2px;
  background: var(--red);
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  display: flex; align-items: center; gap: 8px;
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--red); padding-left: 4px; }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 14px;
}
.footer-contact-item i { color: var(--red); min-width: 16px; margin-top: 2px; }
.footer-contact-item a { color: rgba(255,255,255,0.6); }
.footer-contact-item a:hover { color: var(--red); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.45); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 13px; color: rgba(255,255,255,0.45); }
.footer-bottom-links a:hover { color: var(--red); }

/* ---- Success Page ---- */
.success-hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, #1a1a2e 0%, #23252a 100%);
  color: #fff;
  padding: 60px 20px;
}
.success-icon {
  width: 90px; height: 90px;
  background: rgba(192,0,0,0.15);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 30px;
  font-size: 40px;
  color: #7cd47c;
}
.success-hero h1 {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 16px;
}
.success-hero p { font-size: 17px; color: rgba(255,255,255,0.75); margin-bottom: 34px; }

/* ---- Divider ---- */
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .hero h1 { font-size: 42px; }
  .four-col { grid-template-columns: repeat(2, 1fr); }
  .three-col { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .customers-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 32px; }
  .section-title { font-size: 26px; }
  .two-col { grid-template-columns: 1fr; gap: 40px; }
  .two-col.reverse { direction: ltr; }
  .product-block { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .newsletter .container { flex-direction: column; }
  .newsletter-form { max-width: 100%; width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .customers-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-bar .container { gap: 30px; }
  .top-bar { display: none; }

  /* Mobile nav */
  .hamburger { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    padding: 16px 20px;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav ul li a { padding: 12px 0; border-bottom: 1px solid #f0f0f0; border-radius: 0; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
  .hero-btns { flex-direction: column; }
  .customers-grid { grid-template-columns: 1fr 1fr; }
  .modal { padding: 28px 20px; }
  .cta-section h2 { font-size: 28px; }
}