/* ========================
   CSS RESET + NORMALIZE   
============================ */
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, main, menu, nav, output, ruby, section, summary, time, mark, audio, video {
  margin: 0; padding: 0; border: 0; font-size: 100%; font: inherit; vertical-align: baseline;
}
html { box-sizing: border-box; }
*, *:before, *:after { box-sizing: inherit; }
body { line-height: 1; }
ol, ul { list-style: none; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; border: 0; }
button, input, select, textarea { font-family: inherit; font-size: inherit; box-sizing: border-box; border-radius: 0; background: none; border: none; padding: 0; }
button { cursor: pointer; }
:focus { outline: 2px solid #63A3C2; outline-offset: 2px; }

/* ===========================
   VARIABLES  (fallbacks too)
============================= */
:root {
  --color-primary: #25304B;
  --color-primary-rgb: 37,48,75;
  --color-secondary: #63A3C2;
  --color-accent: #F2EFEA;
  --color-dark: #1A1A1A;
  --color-metal: #7C8892;
  --color-light: #f8f8f8;
  --color-white: #fff;
  --font-display: 'Montserrat', 'Arial Narrow', Arial, sans-serif;
  --font-body: 'Roboto', Arial, sans-serif;
  --radius: 9px;
  --shadow: 0 2px 16px 0 rgba(29,37,52,0.12), 0 1.5px 3.5px 0 rgba(37,48,75,0.08);
  --shadow-hover: 0 4px 24px 0 rgba(29,37,52,0.18), 0 2px 6px 0 rgba(37,48,75,0.12);
  --transition: .22s cubic-bezier(.4,0,.2,1);
  --gap-section: 60px;
  --gap-card: 24px;
  --gap-content: 20px;
}

@media (max-width: 1000px) {
  :root {
    --gap-section: 36px;
    --gap-card: 16px;
    --gap-content: 16px;
  }
}

/* ===========================
   GENERAL BODY & TYPOGRAPHY
============================= */
body {
  background: var(--color-primary, #25304B);
  color: var(--color-accent, #F2EFEA);
  font-family: var(--font-body);
  font-size: 16px;
  min-height: 100vh;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.7;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-accent);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: .01em;
}
h1 { font-size: 2.5rem; margin-bottom: 20px; }
h2 { font-size: 2rem; margin-bottom: 18px; }
h3 { font-size: 1.3rem; margin-bottom: 12px; }
h4 { font-size: 1.1rem; margin-bottom: 8px; }
p, ul, ol, li { color: var(--color-accent, #F2EFEA); font-size: 1rem; }

@media (max-width:768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.1rem; }
}

strong, b { color: var(--color-secondary); }

/* Links */
a { color: var(--color-secondary); transition: color var(--transition); }
a:hover, a:focus { color: var(--color-accent); text-decoration: underline; }

/* ===========================
   MAIN CONTAINER & SECTION   
============================= */
.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}
.section, section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: transparent;
  border-radius: var(--radius);
  box-sizing: border-box;
}
@media (max-width: 768px) {
  .section, section { margin-bottom: 36px; padding: 22px 8px; }
}

/* =============================
   HEADER & MAIN NAVIGATION BAR
=============================== */
header {
  background: rgba(var(--color-primary-rgb),.98);
  box-shadow: 0 2px 8px rgba(29,37,52,0.10);
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
}
header img {
  height: 36px;
  width: auto;
}
.main-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}
.main-nav a {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 1rem;
  position: relative;
  padding: 4px 2px;
  transition: color var(--transition);
}
.main-nav a::after {
  content: "";
  display: block;
  height: 2.5px;
  width: 0%;
  background: var(--color-secondary);
  border-radius: 2px;
  transition: width .28s cubic-bezier(.47,0,.75,.72);
  margin-top: 2px;
}
.main-nav a:hover, .main-nav a:focus {
  color: var(--color-secondary);
}
.main-nav a:hover::after, .main-nav a:focus::after {
  width: 90%;
}

.cta-button {
  font-family: var(--font-display);
  font-weight: bold;
  font-size: 1rem;
  letter-spacing: 1px;
  padding: 12px 30px;
  background: var(--color-primary);
  color: var(--color-accent);
  border-radius: var(--radius);
  border: 2px solid var(--color-secondary);
  box-shadow: var(--shadow);
  margin-left: 30px;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  z-index: 1;
}
.cta-button.primary {
  background: var(--color-secondary);
  color: var(--color-primary);
  border-color: var(--color-secondary);
}
.cta-button:hover, .cta-button:focus {
  box-shadow: var(--shadow-hover);
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
}
.cta-button.primary:hover, .cta-button.primary:focus {
  background: var(--color-metal);
  color: var(--color-accent);
  border-color: var(--color-metal);
}

@media (max-width: 900px) {
  .main-nav {
    gap: 18px;
  }
  .cta-button {
    margin-left: 12px;
  }
}

@media (max-width: 768px) {
  header .container {
    padding: 10px 8px;
  }
  .main-nav, .cta-button {
    display: none;
  }
}

/* =============================
   MOBILE MENU/HAMBURGER NAV
=============================== */
.mobile-menu-toggle {
  position: fixed;
  top: 18px; right: 18px;
  width: 46px; height: 46px;
  background: var(--color-secondary);
  color: var(--color-primary);
  font-size: 2rem;
  border-radius: 50%;
  border: none;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1.5px 7px rgba(73,86,104,0.14);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  cursor: pointer;
}
.mobile-menu-toggle:active {
  background: var(--color-metal);
}
@media (min-width: 769px) {
  .mobile-menu-toggle { display: none; }
}

.mobile-menu {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: rgba(25,33,40,0.98);
  z-index: 1500;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  transform: translateX(-100vw);
  transition: transform 0.33s cubic-bezier(.7,0,.22,1);
  box-shadow: 0 2px 28px rgba(37,48,75,0.18);
  padding-top: 0;
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu-close {
  position: absolute;
  top: 18px; right: 20px;
  width: 46px; height: 46px;
  background: var(--color-primary);
  color: var(--color-accent);
  font-size: 2rem;
  border-radius: 50%;
  border: none;
  z-index: 1600;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(28,38,52,0.13);
  transition: background var(--transition), color var(--transition);
}
.mobile-menu-close:active {
  background: var(--color-secondary);
  color: var(--color-primary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 88px 30px 20px 32px;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-accent);
  padding: 8px 0;
  border-radius: 5px;
  font-weight: 600;
  transition: background var(--transition), color var(--transition);
  min-width: 60vw;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
}

@media (min-width: 769px) {
  .mobile-menu { display: none !important; }
  .mobile-nav { display: none; }
}

/* =============================
   HERO SECTION
=============================== */
.hero {
  min-height: 280px;
  background: linear-gradient(105deg, rgba(37,48,75,0.97) 65%, rgba(124,136,146,0.34) 100%), url('../assets/hero-industrial-bg.jpg') center/cover repeat;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-radius: var(--radius);
  margin-top: 30px;
  margin-bottom: 44px;
  box-shadow: var(--shadow);
}
.hero .container {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}
.hero .content-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
  padding: 36px 0 32px 0;
}
.hero h1, .hero p {
  color: var(--color-accent);
}
.hero a.cta-button {
  margin-top: 22px;
}

/* =============================
   FEATURE GRID, CARDS, SECTIONS
=============================== */
.feature-grid, .service-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 14px;
}
.feature, .service {
  background: rgba(28,34,44,0.93);
  border: 1.5px solid var(--color-metal);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 230px;
  flex: 1 1 250px;
  max-width: 340px;
  padding: 28px 20px 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  transition: box-shadow var(--transition), border-color var(--transition), background var(--transition);
  margin-bottom: 20px;
}
.feature:hover, .feature:focus, .service:hover, .service:focus {
  box-shadow: var(--shadow-hover);
  border-color: var(--color-secondary);
  background: rgba(59,67,85, .96);
}
.feature img, .service img {
  width: 46px; height: 46px; filter: grayscale(.16) brightness(1.2) drop-shadow(0px 2px 2px #2224);
}
.service-price {
  color: var(--color-secondary);
  font-weight: 600;
  font-family: var(--font-display);
  font-size: 1.05rem;
  background: rgba(99,163,194,0.17);
  border-radius: 3px;
  padding: 3px 10px;
  margin-top: 9px;
  align-self: flex-end;
}

@media (max-width: 1020px) {
  .feature-grid, .service-list {
    gap: 16px;
  }
}
@media (max-width: 900px) {
  .feature, .service {
    min-width: 180px;
    padding: 18px 10px 16px 10px;
  }
}
@media (max-width:600px) {
  .feature-grid, .service-list {
    flex-direction: column;
    gap: 18px;
  }
  .feature, .service {
    width: 100%;
    min-width: unset;
    max-width: 100%;
    padding: 18px 10px 16px 14px;
  }
}

/* =============================
   CARDS, GRID, FLEXBOX ARCHITECTURE
=============================== */
.card-container, .testimonial-slider, .client-logos, .card-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: flex-start;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: rgba(30,37,48,0.89);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 22px;
  transition: box-shadow var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-hover);
}

.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
@media (max-width: 768px) {
  .text-image-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .content-grid {
    flex-direction: column;
    gap: 18px;
  }
  .testimonial-slider, .client-logos {
    gap: 12px;
  }
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* =============================
   TESTIMONIALS & REVIEW CARDS
=============================== */
.testimonial-slider {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin: 24px 0;
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  background: var(--color-accent);
  color: var(--color-primary);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 260px;
  max-width: 380px;
  font-size: 1.09rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.testimonial-card p {
  color: var(--color-primary);
  font-size: 1.05rem;
  font-family: var(--font-body);
}
.testimonial-card strong {
  color: var(--color-secondary);
  font-size: .97rem;
  font-family: var(--font-display);
}
@media (max-width:600px) {
  .testimonial-slider, .testimonial-card {
    flex-direction: column;
    min-width: unset; max-width: 100%;
    gap: 10px;
  }
}

.client-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 34px;
  margin: 24px 0 0 -4px;
}
.client-logos img {
  max-width: 96px;
  height: 38px;
  object-fit: contain;
  filter: grayscale(1) contrast(1.18) brightness(1.09) drop-shadow(0 2px 1px #3334);
  transition: filter var(--transition), transform var(--transition);
}
.client-logos img:hover, .client-logos img:focus {
  filter: grayscale(.01) contrast(1.0) brightness(1.105) drop-shadow(0 3.5px 6px #2226);
  transform: scale(1.04) rotate(-1deg);
}
@media (max-width:768px) {
  .client-logos {
    gap: 17px;
    margin-top: 12px;
  }
  .client-logos img {
    max-width: 70px;
    height: 28px;
  }
}

/* =============================
   TEXT SECTIONS / FOOTER /
   INFO SECTIONS
=============================== */
.text-section {
  background: rgba(35,44,54,.993);
  border-radius: var(--radius);
  padding: 32px 26px;
  margin-bottom: 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.text-section h2, .text-section h3 { color: var(--color-accent); }
.text-section ul, .text-section p { color: var(--color-accent); }
.text-section ul {
  list-style: disc;
  padding-left: 23px;
  margin-bottom: 18px;
}
.text-section li { margin-bottom: 8px; }
.newsletter-block {
  background: rgba(99,163,194, .12);
  border-radius: 7px;
  padding: 18px 16px;
  margin-top: 18px;margin-bottom: 8px;
  box-shadow: 0 1.5px 12px rgba(28,44,66, .11);
}

@media (max-width: 768px) {
  .text-section { padding: 17px 6px; gap: 11px; }
}

/* =============================
   FOOTER
=============================== */
footer {
  background: #212731;
  color: var(--color-accent);
  margin-top: 60px;
  font-size: .98rem;
  letter-spacing: .5px;
  border-radius: var(--radius) var(--radius) 0 0;
  box-shadow: 0 -2px 8px rgba(29,37,52,0.10);
  width: 100vw;
}
footer .container {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 36px 16px 24px 16px;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  align-items: center;
}
.footer-nav a {
  color: var(--color-metal);
  font-size: 1rem;
  transition: color var(--transition), text-decoration var(--transition);
}
.footer-nav a:hover, .footer-nav a:focus {
  color: var(--color-secondary);
  text-decoration: underline;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-top: 12px;
  color: var(--color-accent);
}
.footer-brand img {
  height: 28px;
  width: auto;
}
@media (max-width: 768px) {
  footer .container { padding: 22px 5px 17px 5px; gap: 11px; }
  .footer-nav { gap: 14px; }
}

/* =============================
   FORMS (contact, newsletter)
=============================== */
input, textarea, select {
  background: #232C36;
  border: 1px solid var(--color-metal);
  color: var(--color-accent);
  padding: 10px 13px;
  border-radius: 6px;
  margin-bottom: 13px;
  font-size: 1rem;
  font-family: var(--font-body);
  transition: border-color .18s;
  width: 100%;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--color-secondary);
  background: #242E3C;
}

label {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 1.03rem;
  font-weight: 500;
}

/* =============================
   MODAL (cookies settings)
=============================== */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 8000;
  background: #232C36;
  color: var(--color-accent);
  box-shadow: 0 -2.5px 16px rgba(20,24,33, 0.21);
  border-top: 1.5px solid var(--color-metal);
  padding: 25px 14px 17px 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  font-family: var(--font-body);
  animation: cookieBannerAppear 0.45s cubic-bezier(.6,.16,.22,1) both;
}
@keyframes cookieBannerAppear {
  from { transform: translateY(100px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}
.cookie-banner .cookie-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 9px;
}
.cookie-banner button {
  background: var(--color-secondary);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 600;
  padding: 8px 24px;
  font-size: 1rem;
  border-radius: 5px;
  border: none;
  margin-right: 2px;
  margin-bottom: 2px;
  transition: background var(--transition), color var(--transition);
  box-shadow: 0 1px 6px rgba(37, 48, 75, 0.09);
}
.cookie-banner button:active {
  background: var(--color-metal);
  color: var(--color-accent);
}
.cookie-banner button.settings {
  background: transparent;
  color: var(--color-secondary);
  border: 1.5px solid var(--color-secondary);
  padding: 7px 22px;
}
.cookie-banner button.settings:hover, .cookie-banner button.settings:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
}

/* MODAL POPUP SETTINGS */
.cookie-modal {
  position: fixed;
  left: 0; top: 0;
  width: 100vw; height: 100vh;
  background: rgba(26, 28, 35, 0.84);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .23s cubic-bezier(.5,0,.3,1);
}
.cookie-modal.open {
  opacity: 1;
  pointer-events: all;
}
.cookie-modal-dialog {
  background: #232C36;
  color: var(--color-accent);
  border-radius: var(--radius);
  box-shadow: 0 2.5px 32px rgba(20,24,33, 0.17);
  padding: 34px 36px 26px 32px;
  max-width: 98vw;
  min-width: 320px;
  display: flex;
  flex-direction: column;
}
.cookie-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.cookie-modal-header h2 { color: var(--color-accent); font-size: 1.3rem; }
.cookie-modal-close {
  background: var(--color-secondary);
  color: var(--color-primary);
  border-radius: 50%;
  font-size: 1.8rem;
  width: 42px; height: 42px;
  align-items: center; justify-content: center;
  display: flex;
  border: none;
  cursor: pointer;
}
.cookie-modal-content {
  padding: 18px 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.cookie-modal-category {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 1.06rem;
}
.cookie-modal-category input[type=checkbox] {
  accent-color: var(--color-secondary);
  width: 18px; height: 18px;
}
.cookie-modal-category .always-on {
  color: var(--color-metal);
  font-size: .97rem;
  padding-left: 4px;
}
.cookie-modal-actions {
  display: flex;
  gap: 15px;
  justify-content: flex-end;
  margin-top: 10px;
}
@media (max-width:520px) {
  .cookie-modal-dialog {
    padding: 17px 7px 12px 7px;
    min-width: unset;
  }
  .cookie-modal-header h2 { font-size: 1rem; }
}

/* =============================
   UTILITIES
=============================== */
.text-center { text-align: center; }
.flex { display: flex; }
.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-20 { gap: 20px; }
.mt-24 { margin-top: 24px; }
.mb-20, .mb-24 { margin-bottom: 24px !important; }
.mb-32 { margin-bottom: 32px !important; }

/* =============================
   TYPOGRAPHY SCALE, SPACING
=============================== */
.display-1 { font-size: 2.7rem; font-family: var(--font-display); font-weight: 900; } 
.display-2 { font-size: 2rem; font-family: var(--font-display); font-weight: 900; }
.subtitle { font-size: 1.12rem; color: var(--color-secondary); font-family: var(--font-display); }

/* =============================
   TRANSITIONS AND INTERACTIONS
=============================== */
button, .cta-button, .feature, .service, .card, .testimonial-card, .client-logos img, .main-nav a, .mobile-nav a, .newsletter-block {
  transition: box-shadow var(--transition), color var(--transition), background var(--transition), border-color var(--transition), filter var(--transition), transform var(--transition);
}

/* =============================
   RESPONSIVE FLEX LAYOUTS
=============================== */
/* All layout containers use only flex! */
@media (max-width: 768px) {
  .card-container, .content-grid, .feature-grid, .service-list, .client-logos, .testimonial-slider {
    flex-direction: column;
    gap: 15px;
  }
  .section, section {
    margin-bottom: 28px;
    padding: 10px 2px;
  }
}

/* =============================
   DARK/INDUSTRIAL BUTTONS, ENHANCED
=============================== */
button, .cta-button {
  background: var(--color-primary);
  color: var(--color-accent);
  border: 2px solid var(--color-metal);
  border-radius: var(--radius);
  font-weight: bold;
  letter-spacing: 0.5px;
  box-shadow: 0 1.5px 6px rgba(34, 44, 66, 0.17);
  cursor: pointer;
}
button.primary, .cta-button.primary {
  background: var(--color-secondary);
  color: var(--color-primary);
  border-color: var(--color-secondary);
}
button:hover, button:focus, .cta-button:hover, .cta-button:focus {
  background: var(--color-metal);
  color: var(--color-accent);
  border-color: var(--color-secondary);
}

/* =============================
   SCROLLBAR FOR INDUSTRIAL FEEL
=============================== */
body::-webkit-scrollbar {
  width: 13px;
  background: #1B232E;
}
body::-webkit-scrollbar-thumb {
  background: var(--color-metal);
  border-radius: 8px;
}

/* =============================
   INDUSTRIAL/URBAN ACCENTS
=============================== */
section, .text-section, .card, .feature, .service, .testimonial-card, .newsletter-block {
  border-radius: var(--radius);
  border: 1px solid rgba(124,136,146,0.07);
  box-shadow: 0 2px 16px rgba(37,48,75, 0.11);
}

/* Highlight effect (for selection, etc) */
::selection {
  background: var(--color-secondary);
  color: var(--color-primary);
}

/* =============================
   PRINT (optional, prevent black pages)
=============================== */
@media print {
  body { background: #fff !important; color: #000 !important; }
  header, footer, .mobile-menu, .cookie-banner, .cookie-modal { display: none !important; }
}