/* --- CSS RESET & BASE --- */
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;
}
footer, header, main, menu, nav, section, article, aside {display:block;}
ul,ol{list-style:none;}
a{text-decoration:none; color:inherit;}
img {max-width: 100%; border:0; display:block;}
button, input, select, textarea { font-family: inherit; font-size:inherit; background:none; border:none; outline:none;}
input, button, textarea, select {margin:0;}

body {
  font-family: 'Roboto', Arial, sans-serif;
  background: #161b22;
  color: #F5F8F7;
  line-height: 1.6;
  font-size: 16px;
  min-height: 100vh;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* --- BRAND COLORS + METALLIC/INDUSTRIAL VARIANTS --- */
:root {
  --primary: #174166;
  --secondary: #F5C62C;
  --accent: #F5F8F7;
  --dark-bg: #161b22;
  --metal-bg: #21262c;
  --page-bg: #181d23;
  --surface: #242830;
  --card-bg: #1d232a;
  --border: #2d3541;
  --metallic: #a7a9ac;
  --success: #a9e984;
  --danger: #d7424b;
  --shadow: 0 6px 22px 0 rgba(16,18,23, 0.25);
  --radius: 12px;
  --radius-sm: 7px;
  --transition: 0.25s cubic-bezier(.47,.1,.43,.86);
  --focus: 0 0 0 2px var(--secondary), 0 4px 24px 0 #32323244;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', 'Roboto', Arial, sans-serif;
  color: var(--accent);
  font-weight: 700;
  text-shadow: 0 1px 4px #09101a99;
  letter-spacing: 0.01em;
}
h1 { font-size: 2.6rem; line-height: 1.15; margin-bottom: 16px; }
h2 { font-size: 2rem; margin-bottom: 18px; }
h3 { font-size: 1.4rem; margin-bottom: 10px; }
h4 { font-size: 1.15rem; font-weight: 600; }

p, li, a, span, label {
  font-family: 'Roboto', Arial, sans-serif;
  font-size: 1rem;
  color: var(--accent);
}

.subheadline {
  font-size: 1.12rem;
  color: var(--secondary);
  font-weight: 500;
  margin-bottom: 22px;
  letter-spacing: 0.04em;
}
.text-section strong {
  color: var(--secondary);
}

/* --- CONTAINER LAYOUT --- */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 18px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.content-wrapper {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.text-section {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 32px 22px;
  box-shadow: 0 2px 10px 0 #12142433;
  margin-bottom: 24px;
}

.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: transparent;
  position:relative;
}

/* --- FLEX & SPACING PATTERNS (MANDATORY) --- */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px 0 #12142433;
  border: 1px solid var(--border);
  transition: box-shadow var(--transition), transform var(--transition);
  padding: 28px 24px;
  min-width: 250px;
  flex: 1 1 280px;
}
.card:hover {
  box-shadow: 0 6px 24px 0 #09101a44;
  transform: translateY(-7px) scale(1.01);
}

.content-grid,
.features-grid,
.services-list {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: #f6f8fa;
  color: #222;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 10px 2px #10141b22;
  border: 1.5px solid var(--border);
  margin-bottom: 20px;
  position: relative;
  flex: 1 1 330px;
}
.testimonial-info {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 0.97rem;
  color: #2a3140;
  font-weight: 600;
  margin-left: auto;
  letter-spacing: 0.01em;
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* --- HERO STYLE --- */
.hero {
  background: linear-gradient(120deg, #181d23 60%, #232b35 140%);
  margin-bottom: 60px;
  position: relative;
  box-shadow: 0 10px 46px #10141b44;
  border-bottom: 4px solid var(--secondary);
}
.hero .container {
  justify-content: center;
  align-items: center;
  min-height: 240px;
}
.hero h1 {
  color: var(--secondary);
  font-size: 2.2rem;
  text-shadow: 0 2px 23px #10141b88;
}

/* --- BRAND BUTTONS & INTERACTIONS --- */
.btn-primary {
  display: inline-block;
  background: var(--secondary);
  color: #21262c;
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  padding: 13px 32px;
  line-height: 1.2;
  margin: 12px 0;
  box-shadow: 0 2px 8px 1px #ae99002a;
  border: none;
  transition: color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
  letter-spacing: 0.03em;
  position: relative;
  z-index:1;
}
.btn-primary:focus {
  outline: none;
  box-shadow: var(--focus);
}
.btn-primary:hover {
  background: #ffe37b;
  color: #53524f;
  box-shadow: 0 6px 22px 0 #bea30026;
  transform: translateY(-3px) scale(1.025);
}

.btn-secondary {
  background: var(--primary);
  color: var(--secondary);
  border: 1.5px solid var(--secondary);
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-family: 'Montserrat', sans-serif;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.btn-secondary:focus {
  box-shadow: var(--focus);
}
.btn-secondary:hover {
  background: var(--secondary);
  color: var(--primary);
}

/* --- HEADER --- */
header {
  background: var(--metal-bg);
  border-bottom: 2px solid var(--border);
  box-shadow: 0 2px 16px 0 #0a111b44;
  position: sticky;
  top: 0;
  z-index: 50;
}
header .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  min-height: 76px;
  gap: 18px;
}
header img[alt="BrightGlade Solarservice"] {
  height: 48px; width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}
.main-nav a {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--accent);
  border-radius: 5px;
  padding: 7px 14px;
  transition: background var(--transition), color var(--transition);
  border: 1.5px solid transparent;
}
.main-nav a:hover, .main-nav a.active {
  background: var(--secondary);
  color: #192942;
  border-color: var(--secondary);
}

header .btn-primary {
  margin: 0 0 0 12px;
}

/* --- MOBILE MENU --- */
.mobile-menu-toggle {
  display: none;
  background: var(--secondary);
  color: #182736;
  font-size: 2rem;
  border-radius: 8px;
  width: 48px;
  height: 48px;
  line-height: 48px;
  text-align: center;
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 10px 2px #bea30022;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  z-index: 120;
}
.mobile-menu-toggle:focus {
  outline: none;
  box-shadow: var(--focus);
}
.mobile-menu-toggle:hover {
  background: #ffe37b;
  color: #403300;
  transform: scale(1.09);
}

.mobile-menu {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: var(--metal-bg);
  box-shadow: 0 10px 80px #000000bb;
  z-index: 200;
  transform: translateX(-110%);
  transition: transform 0.38s cubic-bezier(.36,1.05,.53,.95);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 0;
  overflow-y: auto;
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu-close {
  background: var(--secondary);
  color: #151d26;
  border-radius: 50%;
  border: none;
  font-size: 2rem;
  width: 44px;
  height: 44px;
  align-self: flex-end;
  margin: 16px 24px 0 0;
  cursor: pointer;
  box-shadow: 0 2px 9px #17416622;
  z-index: 201;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.mobile-menu-close:hover{background: #ffe37b; color: #4b3d18; transform: scale(1.08);}

.mobile-nav {
  margin: 28px 0 0 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.mobile-nav a {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  color: var(--secondary);
  background: none;
  font-size: 1.2rem;
  padding: 12px 0;
  border-radius: 6px;
  transition: background var(--transition), color var(--transition);
  width: 100%;
  max-width: 250px;
}
.mobile-nav a:active, .mobile-nav a:focus {
  background: var(--secondary);
  color: var(--primary);
}

/* --- FOOTER --- */
footer {
  background: var(--metal-bg);
  padding: 36px 0 18px 0;
  border-top: 2px solid var(--border);
}
footer .container {
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}
.footer-nav {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-bottom: 10px;
}
.footer-nav a {
  color: var(--metallic);
  font-size: 1rem;
  padding: 5px 7px;
  border-radius: 3px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.footer-nav a:hover {
  color: var(--secondary);
  background: #202b38;
}
footer p { color: var(--metallic); font-size: 0.98rem;}

/* --- CARDS AND SECTIONS --- */
.features-grid>div,
.services-list>div,
.card-content {
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px #12142433;
  padding: 28px 24px;
  transition: box-shadow var(--transition), transform var(--transition);
  border: 1px solid var(--border);
  position: relative;
  flex: 1 1 230px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.features-grid>div img, .services-list>div img {
  height: 46px; width: 46px;
  margin-bottom: 4px;
  filter: brightness(1.15) contrast(1.1) drop-shadow(0 4px 8px #0002);
}
.features-grid>div:hover, .services-list>div:hover {
  box-shadow: 0 6px 36px 2px #bea30011;
  background: #202832;
  transform: translateY(-6px) scale(1.01);
}

.satisfaction-bar {
  margin: 34px 0 24px 0;
  padding: 14px 22px;
  background: linear-gradient(88deg, #ffe37b25 60%, #d6c05866 100%);
  border-radius: 12px;
  color: #222;
  font-size: 1rem;
  font-weight: 700;
  box-shadow: 0 2px 10px 2px #bea30011;
}

/* --- CONTACT DETAILS --- */
.contact-details {
  background: transparent;
  font-size: 1.01rem;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.contact-details img {
  height: 20px; width: 20px; vertical-align: text-bottom; margin-right: 7px;
}
.contact-details a {
  color: var(--secondary);
  font-weight: 500;
  text-decoration: underline;
  transition: color var(--transition);
}
.contact-details a:hover {color: #ffc90c;}

/* --- TESTIMONIALS (DARK TEXT ON LIGHT BG) --- */
.testimonial-card {
  background: #f6f8fa;
  color: #151e24;
}
.testimonial-card p {
  color: #2a3140;
  font-size: 1.04rem;
  font-style: italic;
}
.testimonial-card .testimonial-info span:first-child {
  color: var(--secondary);
  font-size: 1.2rem;
  letter-spacing: 0.08em;
}

/* --- OL & UL --- */
ul, ol { color: var(--accent); margin: 14px 0 8px 26px; }
ul li, ol li { margin-bottom: 9px; line-height: 1.6;}

/* --- TABLES --- */
table { width: 100%; border-collapse: collapse; margin: 22px 0; background: var(--card-bg); border-radius: var(--radius-sm);}
th, td { text-align: left; padding: 13px 10px; }
th { background: #22293a; color: var(--secondary); }
td { border-bottom: 1px solid var(--border); }

/* --- LINKS --- */
a { transition: color var(--transition), border-bottom var(--transition);}
a:hover, a:focus { color: var(--secondary); border-bottom: 1px solid var(--secondary);}

/* --- MISCELLANEOUS --- */
hr{border:0;border-top:1px solid var(--border);margin:32px 0;}
::-webkit-scrollbar {width: 8px; background: #21262c;}
::-webkit-scrollbar-thumb { background: #323a46; border-radius:4px;}

/* --- COOKIE CONSENT BANNER --- */
.cookie-banner {
  position: fixed;
  left:0; right:0; bottom:0;
  background: var(--surface);
  color: var(--accent);
  box-shadow: 0 -6px 24px 0 #161b2288, 0 -1.5px 0 var(--secondary);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 30px;
  padding: 26px 10vw 26px 10vw;
  z-index: 3000;
  transition: transform 0.44s var(--transition);
  transform: translateY(100%);
}
.cookie-banner.show{
  transform: translateY(0);
}
.cookie-banner p {
  flex: 1 1 400px;
  color: var(--accent);
  font-size: 1rem;
}
.cookie-banner .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
}
.cookie-banner .cookie-actions button {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.98rem;
  border-radius: 6px;
  border: none;
  padding: 11px 20px;
  margin: 0;
  background: var(--secondary);
  color: #1d232a;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.cookie-banner .cookie-actions button.cookie-settings {
  background: var(--primary);
  color: var(--secondary);
  border: 1.2px solid var(--secondary);
}
.cookie-banner .cookie-actions button:hover {
  background: #ffeb9c;
  color: #1d232a;
}
.cookie-banner .cookie-actions button.cookie-settings:hover{
  background: var(--secondary);color: var(--primary);
}

/* COOKIE CONSENT MODAL */
.cookie-modal {
  position: fixed;
  left: 0; top: 0; width: 100vw; height: 100vh;
  background: rgba(18,22,28, 0.75);
  z-index: 3100;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity .28s;
}
.cookie-modal.open {
  pointer-events: auto;
  opacity: 1;
}
.cookie-modal .cookie-modal-content {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: 0 6px 38px #10141b99;
  padding: 40px 32px 32px;
  min-width: 340px;
  max-width: 92vw;
  color: var(--accent);
  display: flex;
  flex-direction: column;
  gap: 26px;
  position: relative;
  animation: fadeInScale .4s cubic-bezier(.36,1.17,.49,.93);
}
@keyframes fadeInScale {
  0%{opacity:0;transform:scale(.82) translateY(24px);}
  100%{opacity:1;transform:scale(1) translateY(0);}
}
.cookie-modal .modal-close {
  position: absolute;
  right: 18px; top: 14px;
  font-size: 1.7rem;
  background: none;
  border: none;
  color: var(--secondary);
  cursor: pointer;
  transition: color var(--transition), transform var(--transition);
}
.cookie-modal .modal-close:focus {color: #ffd500; transform: scale(1.1);}

.cookie-modal h2 {font-size: 1.32rem; color: var(--secondary); margin-bottom:6px;}
.cookie-modal .cookie-category {
  background: #202631;
  border-radius: 7px;
  padding: 13px 17px;
  margin-bottom: 7px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.cookie-modal .cookie-category label {
  flex: 1 1 auto;
  color: var(--accent);
}
.cookie-modal .cookie-toggle {
  display: flex;
  align-items: center;
  gap: 9px;
}
.cookie-modal input[type="checkbox"] {
  width: 22px; height: 22px;
  accent-color: var(--secondary);
}
/* Fixed text for Essential cookies */
.cookie-modal .essential-info { color: #57e785; font-size: 0.97rem; margin-left: 18px; }

.cookie-modal .modal-actions {
  margin-top: 12px;
  display: flex;
  gap: 20px;
  justify-content: flex-end;
}
.cookie-modal .modal-actions button {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  padding: 10px 26px;
  border-radius: 7px;
  border: none;
  cursor: pointer;
  background: var(--secondary);
  color: #182636;
  transition: background var(--transition), color var(--transition);
}
.cookie-modal .modal-actions button.btn-cancel{
  background: transparent;
  color: var(--accent);
  border: 1.3px solid var(--secondary);
}
.cookie-modal .modal-actions button.btn-cancel:hover {background: var(--secondary); color: var(--primary);}
.cookie-modal .modal-actions button:hover {background: #ffe37b; color: #4b3d18;}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 990px) {
  .container { max-width: 99vw; }
  .main-nav { gap: 10px; }
  .features-grid, .services-list, .content-grid {
    gap: 16px;
  }
  header .btn-primary { padding: 11px 16px; font-size: 0.93rem; }
}
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.45rem; }
  .section { padding: 27px 8px; margin-bottom: 38px; }
  .text-section, .features-grid > div, .services-list > div, .card {
    padding: 18px 9px;
  }
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .footer-nav { flex-wrap: wrap; gap:8px; }
  .satisfaction-bar { font-size: 0.96rem; padding: 10px 10px; }
  .content-wrapper, .features-grid, .services-list, .content-grid, .text-image-section {
    flex-direction: column;
    gap: 18px;
    justify-content: flex-start;
    align-items: stretch;
  }
  .testimonial-card { flex-direction: column; gap: 13px; }
}
@media (max-width: 540px) {
  .hero .container { min-height: 100px; }
  .hero h1 { font-size: 1.19rem; }
  header img[alt="BrightGlade Solarservice"] { height: 36px; }
  .cookie-banner { padding: 17px 4vw 17px 4vw; font-size: 0.95rem; }
  .footer-nav { flex-direction: column; gap:6px;}
}

/* --- INDUSTRIAL MODERN EFFECTS --- */
.section, .hero, .text-section, .features-grid>div, .services-list>div, .card, .testimonial-card {
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px 2px #0a101733;
}
.features-grid>div, .services-list>div, .card {
  border: 1.5px solid #353b49;
  border-bottom: 3px solid #505e74;
}
.features-grid>div h3, .services-list>div h3, .features-grid>div h2, .services-list>div h2 {
  color: var(--secondary);
  letter-spacing: 0.03em;
  text-shadow: 0 2px 16px #d7ae0022;
}

/* Metallic accents/banding */
.features-grid>div, .services-list>div, .card, footer, header {
  position: relative;
}
.features-grid>div::before, .services-list>div::before, .card::before {
  content: '';
  position: absolute;
  left: 12px; right: 12px; top: 0;
  height: 4px;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(90deg,#a7a9ac22 0%,#fff2 50%,#a7a9ac22 100%);
  z-index: 2;
}

/* --- UTILITY CLASSES --- */
.mt-8  {margin-top: 8px !important;}
.mb-20 {margin-bottom: 20px!important;}
.mb-32 {margin-bottom: 32px!important;}
.w-100 {width: 100%!important;}
.text-center {text-align: center!important;}

/* --- ACCESSIBILITY FOCUS --- */
a:focus, .btn-primary:focus, .btn-secondary:focus, .mobile-menu-toggle:focus, .mobile-menu-close:focus {
  outline: 2px solid var(--secondary);
  outline-offset: 1.5px;
}

/* --- PRINT FRIENDLY --- */
@media print {
  header, footer, nav, .mobile-menu, .cookie-banner, .cookie-modal {display: none!important;}
}