/*
 * layout.css
 *
 * Provides structural styles for the NetGrade site, including the
 * header, navigation, hero section, services grid, process steps,
 * case study showcase, package teasers, coverage map, testimonials
 * placeholder, CTA band, and footer.  Media queries are included
 * to ensure responsive behaviour on smaller screens.
 */

/* Header positioning and transitions */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-3);
  padding-bottom: var(--sp-3);
}
/* Header background when scrolled */
.header.scrolled {
  background: var(--panel);
  box-shadow: var(--shadow);
}

/* Logo styling */
.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--fg);
}

/* Navigation */
.menu {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--sp-3);
}
.nav-item {
  position: relative;
}
.nav-link,
.nav-item > button {
  font: inherit;
  color: var(--fg);
  background: none;
  border: none;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background 0.2s;
}
.nav-link:hover,
.nav-item > button:hover,
.nav-link:focus,
.nav-item > button:focus {
  background: var(--panel);
}
.nav-item > button[aria-expanded='true'] {
  background: var(--panel);
}

/* Dropdown */
.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: var(--sp-1);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--sp-2) 0;
  min-width: 220px;
  list-style: none;
  z-index: 10;
}
.nav-item.open > .dropdown {
  display: block;
}
.dropdown li {
  padding-left: var(--sp-2);
  padding-right: var(--sp-2);
}
.dropdown a {
  display: block;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-sm);
  color: var(--fg);
}
.dropdown a:hover,
.dropdown a:focus {
  background: var(--bg);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--fg);
  font-size: 1.5rem;
  cursor: pointer;
}
.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
  position: relative;
}
.menu-toggle span::before,
.menu-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  transition: transform 0.3s;
}
.menu-toggle span::before {
  top: -6px;
}
.menu-toggle span::after {
  top: 6px;
}
.menu-toggle.open span {
  background: transparent;
}
.menu-toggle.open span::before {
  transform: translateY(6px) rotate(45deg);
}
.menu-toggle.open span::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile nav panel */
@media (max-width: 768px) {
  .menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    background: var(--panel);
    flex-direction: column;
    padding-top: calc(var(--sp-6) + 20px);
    padding-left: var(--sp-4);
    padding-right: var(--sp-4);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    width: 260px;
    height: 100vh;
    overflow-y: auto;
  }
  .menu.open {
    transform: translateX(0);
  }
  .menu li {
    margin-bottom: var(--sp-2);
  }
  .menu-toggle {
    display: block;
  }
  .nav-item.has-dropdown > .dropdown {
    position: static;
    margin-top: 0;
    background: none;
    box-shadow: none;
    padding-left: var(--sp-3);
    display: none;
  }
  .nav-item.has-dropdown.open > .dropdown {
    display: block;
  }
}

/* Hero section */
.hero {
  padding-top: calc(var(--sp-6) + 80px);
  padding-bottom: var(--sp-6);
  background: linear-gradient(180deg, var(--bg) 0%, var(--panel) 100%);
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
  align-items: center;
}
@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-media {
    order: -1;
  }
}
.hero-media .media-placeholder {
  width: 100%;
  height: 0;
  padding-top: 56.25%; /* 16:9 ratio */
  background: var(--panel);
  border-radius: var(--radius);
}

/* Trust bar */
.trust-bar {
  background: var(--panel);
  padding: var(--sp-2) var(--sp-4);
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
}

/* Services grid */
.services {
  padding-top: var(--sp-6);
  padding-bottom: var(--sp-6);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--sp-4);
}
.service-card {
  text-align: left;
}

/* How it works / steps */
.how-it-works {
  padding-top: var(--sp-6);
  padding-bottom: var(--sp-6);
}
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--sp-4);
  counter-reset: step;
}
.step {
  position: relative;
  padding-left: var(--sp-4);
}
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 2rem;
  color: var(--accent);
  line-height: 1;
}

/* Case study */
.case-study {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--sp-4);
  padding-top: var(--sp-6);
  padding-bottom: var(--sp-6);
}
.case-study img {
  border-radius: var(--radius);
}
.case-study .text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Packages / shop teaser */
.packages {
  padding-top: var(--sp-6);
  padding-bottom: var(--sp-6);
}
.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--sp-4);
}
.package-card {
  text-align: center;
}

/* Coverage map */
.coverage {
  padding-top: var(--sp-6);
  padding-bottom: var(--sp-6);
  text-align: center;
}
.map-placeholder {
  width: 100%;
  max-width: 600px;
  height: 0;
  padding-top: 75%; /* 4:3 ratio */
  margin: 0 auto;
  background: var(--panel);
  border-radius: var(--radius);
}

/* Testimonials */
.testimonials {
  padding-top: var(--sp-6);
  padding-bottom: var(--sp-6);
}

/* CTA band */
.cta-band {
  padding: var(--sp-5) var(--sp-4);
  background: var(--panel);
  text-align: center;
  border-radius: var(--radius);
  margin-top: var(--sp-5);
}
.cta-band h2 {
  margin-bottom: var(--sp-3);
  color: var(--fg);
}

/* Footer */
.footer {
  background: var(--panel);
  padding-top: var(--sp-6);
  padding-bottom: var(--sp-6);
}
/* Footer grid: centered 4-column layout */
.footer h4 {
  margin-bottom: var(--sp-3);
  color: var(--fg);
}
.footer a {
  display: block;
  margin-bottom: var(--sp-2);
  color: var(--muted);
}
.footer a:hover {
  color: var(--accent);
}
/* Newsletter form */
.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.newsletter-form input[type='email'] {
  padding: var(--sp-2);
  border: none;
  border-radius: var(--r-sm);
  background: var(--bg);
  color: var(--fg);
}
.newsletter-form button {
  align-self: flex-start;
}
/* === Footer centering and responsive fixes === */
@media (max-width: 980px) {
/* Footer grid: centered 4-column layout */
@media (max-width: 560px) {
/* Footer grid: centered 4-column layout */

/* Keep newsletter column from expanding wider than others */
.footer .newsletter-form {
  width: 100%;
  max-width: 260px;
}
.footer .newsletter-form input[type='email'] {
  width: 100%;
  box-sizing: border-box;
}

/* === Footer centering and responsive fixes === */
@media (max-width: 980px) {
}
@media (max-width: 560px) {
}

/* Keep newsletter column from expanding wider than others */
.footer .newsletter-form {
  width: 100%;
  max-width: 260px;
}
.footer .newsletter-form input[type='email'] {
  width: 100%;
  box-sizing: border-box;
}

/* ============================================================
.footer {
  background: var(--panel);
  padding-top: var(--sp-6);
  padding-bottom: var(--sp-6);
}

/* Four equal columns, centered container */
.footer .container.footer-grid {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(220px, 1fr)) !important;
  gap: var(--sp-4) var(--sp-5) !important;
  max-width: 1100px !important;
  margin: 0 auto !important;
  justify-content: center !important;  /* center the whole grid block */
  justify-items: center !important;    /* center contents within each column */
  align-items: start !important;
}

/* Logo row spans full width and centers */
.footer .footer-logo {
  grid-column: 1 / -1 !important;
  text-align: center !important;
  margin-bottom: 1.4rem !important;
}
.footer .footer-logo img {
  max-height: 42px !important;  /* reasonable size */
  width: auto !important;
  height: auto !important;
  filter: invert(1) !important; /* invert to fit dark footer */
}

/* Keep newsletter sane width */
.footer .newsletter-form { max-width: 260px !important; width: 100% !important; }
.footer .newsletter-form input[type="email"] { width: 100% !important; box-sizing: border-box !important; }

/* Links and headings tidy + centered in columns */
.footer h4 { margin-bottom: var(--sp-3) !important; color: var(--fg) !important; text-align: center !important; }
.footer a  { display: block !important; margin-bottom: var(--sp-2) !important; color: var(--muted) !important; text-align: center !important; }
.footer a:hover { color: var(--accent) !important; }

/* Responsive collapse: 2 cols then 1 */
@media (max-width: 980px) {
  .footer .container.footer-grid {
    grid-template-columns: repeat(2, minmax(220px, 1fr)) !important;
    max-width: 760px !important;
  }
}
@media (max-width: 560px) {
  .footer .container.footer-grid {
    grid-template-columns: 1fr !important;
    max-width: 520px !important;
  }
}
/* ===================================================================== */
/* Footer logo sizing + invert for <img> and inline <svg> */
.footer .footer-logo img,
.footer .footer-logo svg {
  max-height: 42px !important;
  height: 42px !important;   /* covers inline <svg> lacking intrinsic size */
  width: auto !important;
  filter: invert(1) !important;
  display: inline-block !important;
}