/* =======================
   HelioExpert Luxury Premium Reset & Variables
   ======================= */
html,
body,
div,
span,
applet,
object,
iframe,
h1, h2, h3, h4, h5, h6,
p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
  box-sizing: border-box;
}
body {
  line-height: 1.5;
  background: #f7f8fa;
  min-height: 100vh;
  font-family: 'Roboto', Arial, sans-serif;
  color: #192330;
}
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}
img {
  max-width: 100%;
  display: block;
}
ul, ol {
  list-style: none;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: 100%;
  outline: none;
  border: none;
  background: none;
}
:root {
  --color-primary: #224266;
  --color-secondary: #F7C948;
  --color-accent: #FFFFFF;
  --color-dark: #192330;
  --color-light: #f7f8fa;
  --color-grey: #e9eaf1;
  --color-gold: #D4AF37;

  --font-display: 'Montserrat', 'Roboto', Arial, sans-serif;
  --font-body: 'Roboto', Arial, sans-serif;
  --shadow-main: 0 4px 24px rgba(34, 66, 102, 0.08);
  --shadow-card: 0 2px 16px rgba(34,66,102,.06);
  --radius-main: 18px;
  --radius-btn: 64px;
}

/* =======================
   Typography
   ======================= */
h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--color-primary);
  margin-bottom: 20px;
}
h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -1px;
  margin-bottom: 16px;
  color: var(--color-dark);
}
h3 {
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--color-primary);
}
h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
}
p, li, label, input, textarea, cite {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-dark);
}
blockquote {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-style: italic;
  color: var(--color-primary);
  margin-bottom: 0.6em;
}
cite {
  display: block;
  font-size: 0.98rem;
  color: #9d8a29;
  margin-top: 6px;
  font-style: normal;
}
strong {
  font-weight: 700;
  color: var(--color-primary);
}

label {
  font-weight: 500;
  margin-bottom: 8px;
  display: block;
  color: var(--color-primary);
}

input[type="text"] {
  padding: 12px 16px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--color-grey);
  background: #fff;
  min-width: 210px;
  font-size: 1em;
  color: var(--color-dark);
  transition: border 0.2s;
}
input[type="text"]:focus {
  border-color: var(--color-secondary);
}

/* =======================
   Layout Containers & Spacing
   ======================= */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--color-accent);
  border-radius: var(--radius-main);
  box-shadow: var(--shadow-main);
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 30px;
  align-items: flex-start;
  width: 100%;
}
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  background: var(--color-accent);
  border-radius: var(--radius-main);
  box-shadow: var(--shadow-card);
  padding: 28px 24px;
  margin-bottom: 20px;
  position: relative;
  flex: 1 1 310px;
  min-width: 260px;
  transition: transform 0.23s cubic-bezier(0.19, 1, 0.22, 1), box-shadow 0.23s;
}
.card:hover {
  transform: translateY(-4px) scale(1.025);
  box-shadow: 0 6px 32px 0 rgba(212,175,55, 0.09);
}
.card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
}
.feature-grid > div {
  flex: 1 1 215px;
  min-width: 190px;
  background: var(--color-light);
  border-radius: var(--radius-main);
  box-shadow: var(--shadow-card);
  padding: 28px 18px 22px 18px;
  text-align: center;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1.5px solid rgba(247,201,72,.11);
  transition: box-shadow 0.20s;
}
.feature-grid > div:hover {
  box-shadow: 0 8px 34px 0 rgba(212,175,55, 0.10);
}
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 28px;
  background: var(--color-light);
  border-radius: var(--radius-main);
  margin-bottom: 20px;
  box-shadow: var(--shadow-main);
  border-left: 4px solid var(--color-gold);
  position: relative;
}
.testimonial-card blockquote {
  color: var(--color-dark);
  font-size: 1.10rem;
  margin-bottom: 0;
  letter-spacing: 0.01em;
}
.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  background: none;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 12px;
}
.faq-list div {
  background: var(--color-light);
  border-radius: var(--radius-main);
  padding: 24px 20px;
  box-shadow: var(--shadow-card);
  margin-bottom: 16px;
}
.project-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 20px;
}
.project-list > div {
  flex: 1 1 275px;
  min-width: 225px;
  background: var(--color-accent);
  border-radius: var(--radius-main);
  box-shadow: var(--shadow-card);
  padding: 24px 16px 18px 16px;
  margin-bottom: 18px;
  border: 1.5px solid rgba(34,66,102,.09);
}

.footer-nav,
.footer-contact,
.footer-logo {
  padding: 8px 0;
}
.footer-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}
.footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}
.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* =======================
   Buttons & Links
   ======================= */
.btn-primary {
  display: inline-block;
  padding: 14px 38px;
  background: var(--color-secondary);
  color: var(--color-primary);
  border-radius: var(--radius-btn);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  border: 2px solid var(--color-gold);
  letter-spacing: 0.03em;
  box-shadow: 0 4px 24px rgba(247,201,72,0.09);
  cursor: pointer;
  transition: background 0.18s, color 0.17s, box-shadow 0.18s, border 0.17s;
  position: relative;
  text-align: center;
}
.btn-primary:hover,
.btn-primary:focus {
  background: var(--color-primary);
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
  box-shadow: 0 8px 30px 0 rgba(34,66,102, 0.23);
}
.btn-secondary {
  display: inline-block;
  padding: 12px 30px;
  background: var(--color-primary);
  color: var(--color-accent);
  border-radius: var(--radius-btn);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid var(--color-primary);
  letter-spacing: 0.02em;
  box-shadow: 0 2px 14px rgba(34,66,102,0.10);
  cursor: pointer;
  transition: background 0.18s, color 0.17s, box-shadow 0.18s, border 0.17s;
  text-align: center;
}
.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
  border: 2px solid var(--color-gold);
}
nav a {
  transition: color 0.17s, border-bottom 0.17s;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  margin-right: 4px;
}
nav a:hover,
nav a:focus {
  color: var(--color-secondary);
  border-bottom: 2px solid var(--color-gold);
}

/* =======================
   Header & Navigation
   ======================= */
header {
  width: 100%;
  background: var(--color-accent);
  box-shadow: 0 6px 28px 0 rgba(34,66,102,0.08);
  position: sticky;
  top: 0;
  z-index: 50;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  padding: 0 20px;
  gap: 20px;
}
header nav {
  display: flex;
  align-items: center;
  gap: 25px;
}
header .btn-primary {
  margin-left: 16px;
  font-size: 0.98rem;
  padding: 9px 28px;
}

/* Mobile Burger Button */
.mobile-menu-toggle {
  display: none;
  background: var(--color-primary);
  color: var(--color-secondary);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 2rem;
  border: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 18px 0 rgba(34,66,102,0.08);
  position: relative;
  margin-left: 18px;
  z-index: 120;
  transition: background 0.2s;
}
.mobile-menu-toggle:hover,
.mobile-menu-toggle:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(34,66,102, 0.97);
  box-shadow: 0 6px 46px 0 rgba(212,175,55, 0.08);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 32px 0 0 0;
  transform: translateX(-100%);
  transition: transform 0.38s cubic-bezier(.84,.01,.21,.99);
  opacity: 1;
  visibility: visible;
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu-close {
  background: none;
  color: var(--color-secondary);
  border: none;
  font-size: 2.3rem;
  padding: 16px 32px 6px 32px;
  align-self: flex-end;
  cursor: pointer;
  z-index: 300;
  transition: color 0.16s;
}
.mobile-menu-close:hover,
.mobile-menu-close:focus {
  color: var(--color-gold);
}
.mobile-nav {
  display: flex !important;
  flex-direction: column;
  gap: 22px;
  width: 100%;
  padding: 18px 32px;
  margin-top: 15px;
}
.mobile-nav a {
  font-family: var(--font-display);
  color: var(--color-accent);
  font-weight: 600;
  font-size: 1.24rem;
  padding: 8px 0;
  border-bottom: 1.5px solid transparent;
  transition: color 0.17s, border 0.17s;
  letter-spacing: 0.01em;
}
.mobile-nav a:hover,
.mobile-nav a:focus {
  color: var(--color-secondary);
  border-bottom: 1.5px solid var(--color-secondary);
}

@media (max-width: 1020px) {
  header .container {
    padding: 0 10px;
  }
  .container {
    padding: 0 10px;
  }
}
@media (max-width: 900px) {
  header nav {
    gap: 15px;
  }
}
@media (max-width: 900px) {
  header nav {
    display: none !important;
  }
  header .btn-primary {
    display: none !important;
  }
  .mobile-menu-toggle {
    display: flex;
  }
}

/* =======================
   Responsive & Flex Patterns
   ======================= */
@media (max-width: 768px) {
  .container {
    padding: 0 7px;
  }
  .section {
    margin-bottom: 40px;
    padding: 24px 8px 24px 8px;
  }
  .content-wrapper {
    gap: 20px;
  }
  .feature-grid, .project-list, .card-container, .content-grid {
    gap: 12px;
  }
  .feature-grid, .project-list {
    flex-direction: column;
  }
  .feature-grid > div,
  .project-list > div,
  .card {
    min-width: unset;
    width: 100%;
    max-width: 100%;
  }
  .text-image-section {
    flex-direction: column;
    gap: 18px;
    align-items: flex-start;
  }
  .testimonial-card {
    flex-direction: column;
    padding: 16px 10px;
    gap: 12px;
    align-items: flex-start;
  }
  footer .container {
    flex-direction: column !important;
    align-items: center !important;
    gap: 12px !important;
  }
}
@media (max-width: 520px) {
  h1 {
    font-size: 1.68rem;
  }
  h2 {
    font-size: 1.32rem;
  }
  .container {
    padding: 0 3px;
  }
  .section {
    padding: 14px 2px;
  }
}

/* =======================
   Decorative Accents, Gold Details
   ======================= */
.feature-grid > div, .card, .testimonial-card {
  border-top: 3px solid var(--color-gold);
  /* for subtle luxury accent */
}
.feature-grid > div:hover, .card:hover, .testimonial-card:hover {
  border-color: var(--color-secondary);
  box-shadow: 0 10px 32px 0 rgba(247,201,72,0.09);
}

h1, h2, h3, h4 {
  text-shadow: 0 2px 2.5px rgba(34,66,102,0.07);
}

/* Gold Underline for Headings */
h2, .section h2 {
  position: relative;
  padding-bottom: 9px;
}
h2:after {
  content: '';
  display: block;
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 65px;
  height: 3px;
  background: var(--color-gold);
  border-radius: 2px;
}

/* =======================
   Modal and Banner for Cookies
   ======================= */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100vw;
  z-index: 800;
  background: var(--color-primary);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 -2px 18px rgba(34,66,102, 0.13);
  padding: 18px 12px;
  gap: 32px;
  font-size: 1rem;
  transition: transform 0.35s cubic-bezier(.83,.03,.13,.98), opacity 0.28s;
}
.cookie-banner.hide {
  transform: translateY(120%);
  opacity: 0;
}
.cookie-banner .cookie-buttons {
  display: flex;
  flex-direction: row;
  gap: 14px;
  margin-left: 18px;
}
.cookie-banner button {
  font-family: var(--font-display);
  border-radius: var(--radius-btn);
  font-size: 0.98rem;
  font-weight: 600;
  padding: 10px 24px;
  background: var(--color-secondary);
  color: var(--color-primary);
  border: 2px solid var(--color-gold);
  cursor: pointer;
  transition: background 0.15s, color 0.13s, border 0.11s;
}
.cookie-banner .cookie-settings-btn {
  background: var(--color-primary);
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
}
.cookie-banner button:hover,
.cookie-banner button:focus {
  background: var(--color-gold);
  color: var(--color-primary);
  border: 2px solid var(--color-secondary);
}
.cookie-modal {
  position: fixed;
  left: 50%;
  bottom: 50vh;
  transform: translate(-50%, 40vh) scale(0.99);
  min-width: 310px;
  max-width: 92vw;
  background: var(--color-accent);
  color: var(--color-dark);
  z-index: 999;
  box-shadow: 0 12px 38px rgba(34,66,102,0.14), 0 2px 28px var(--color-secondary, #f7c948);
  border-radius: var(--radius-main);
  padding: 40px 28px 32px 28px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s, transform 0.22s;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.cookie-modal.open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0) scale(1.01);
}
.cookie-modal h2 {
  font-size: 1.35rem;
  margin-bottom: 10px;
  color: var(--color-primary);
  text-shadow: none;
}
.cookie-modal label {
  font-size: 0.99rem;
  font-weight: 500;
}
.cookie-modal .cookie-categories {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 22px;
}
.cookie-modal .category {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-light);
  border-radius: 24px;
  padding: 10px 20px;
}
.cookie-modal .toggle {
  accent-color: var(--color-secondary);
  width: 22px;
  height: 22px;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(247,201,72,0.11);
}
.cookie-modal .cookie-modal-actions {
  display: flex;
  gap: 14px;
  justify-content: flex-end;
}
.cookie-modal button {
  font-family: var(--font-display);
  border-radius: var(--radius-btn);
  font-size: 1rem;
  font-weight: 600;
  padding: 9px 20px;
  border: 2px solid var(--color-gold);
  background: var(--color-secondary);
  color: var(--color-primary);
  cursor: pointer;
  transition: background 0.15s, color 0.13s, border 0.13s;
}
.cookie-modal button.close-modal {
  background: var(--color-primary);
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
}
.cookie-modal button:hover,
.cookie-modal button:focus {
  background: var(--color-gold);
  color: var(--color-primary);
  border-color: var(--color-secondary);
}

/* Overlay for Modal */
.cookie-modal-backdrop {
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(34,66,102,.44);
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s;
}
.cookie-modal.open ~ .cookie-modal-backdrop {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 500px) {
  .cookie-modal {
    min-width: unset;
    padding: 18px 6px 14px 6px;
  }
}

/* =======================
   Footer
   ======================= */
footer {
  background: var(--color-primary);
  color: var(--color-accent);
  padding: 44px 0 22px 0;
  box-shadow: 0 -1px 26px 0 rgba(34,66,102,0.08);
}
footer p {
  color: white;
}
footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  justify-content: space-between;
  align-items: flex-start;
  width: 100%;
}
footer .footer-nav a {
  color: var(--color-secondary);
  font-size: 1rem;
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.01em;
  margin-right: 8px;
  border-bottom: 1px solid transparent;
  transition: color 0.13s, border 0.11s;
}
footer .footer-nav a:hover,
footer .footer-nav a:focus {
  color: var(--color-gold);
  border-bottom: 1px solid var(--color-gold);
}
footer .footer-contact {
  font-size: 0.96rem;
  color: var(--color-light);
  gap: 10px;
  text-align: center;
}
footer .footer-logo img {
  height: 42px;
  filter: drop-shadow(0 1px 6px rgba(34,66,102,0.11));
}

@media (max-width: 768px) {
  footer .container, .footer-nav, .footer-contact, .footer-logo {
    flex-direction: column;
    gap: 10px;
    align-items: center;
    justify-content: center;
    text-align: center;
  }
}

/* =======================
   Miscellaneous & Accessibility
   ======================= */
::-webkit-scrollbar {
  width: 6px;
  background: var(--color-grey);
}
::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: 8px;
}

:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}
/* Hide visually on mobile for accessibility, always show visually hidden text for buttons */
.sr-only {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* =======================
   Animations
   ======================= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(36px); }
  to { opacity: 1; transform: translateY(0); }
}
.section, .card, .feature-grid > div, .testimonial-card, .faq-list > div {
  animation: fadeUp 1.3s cubic-bezier(.68,-0.55,.27,1.55) both;
}

/* =======================
   Utility Classes
   ======================= */
.mt-2 { margin-top: 16px !important; }
.mt-3 { margin-top: 24px !important; }
.mb-2 { margin-bottom: 16px !important; }
.mb-3 { margin-bottom: 24px !important; }
.d-flex { display: flex !important; }
.flex-col { flex-direction: column !important; }
.flex-row { flex-direction: row !important; }
.align-center { align-items: center !important; }
.justify-between { justify-content: space-between !important; }
.gap-2 { gap: 16px !important; }
.gap-3 { gap: 22px !important; }

/* =======================
   END
   ======================= */