/* 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,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;
}
html { font-size: 16px; }
body { line-height: 1; }
ol,ul { list-style: none; }
a { text-decoration: none; color: inherit; }
img { border: none; display: block; max-width: 100%; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
button { background: none; border: none; cursor: pointer; }

/* VARIABLES for Brand & Industrial Modern Palette */
:root {
  --primary-dark: #23282f;       /* steel/iron dark */
  --secondary-dark: #333840;     /* deep stone gray */
  --brand-primary: #2B5040;      /* Brand AlpenNatur dark green */
  --brand-secondary: #8BB581;    /* Brand AlpenNatur soft green */
  --brand-accent: #F2EEE2;       /* Brand AlpenNatur accent/light */
  --metallic: #8F9CA2;           /* subtle metallic accent */
  --urban-bg: #22262b;           /* urban dark background */
  --card-bg: #23272e;            /* for cards/sections */
  --text-main: #E8ECEB;          /* industrial modern off white */
  --text-secondary: #ABB7B7;     /* muted metallic gray for secondary */
  --shadow: 0 2px 16px rgba(14, 18, 21, 0.09), 0 1.5px 2.5px rgba(143, 156, 162, 0.08);
  --border-radius: 14px;
  --transition: 0.22s cubic-bezier(.43,.1,.34,1.01);
  --font-display: 'Montserrat', 'Arial Narrow', Arial, sans-serif;
  --font-body: 'Open Sans', 'Segoe UI', Arial, sans-serif;
}

/* GLOBAL BODY BACKGROUND, FONTS, COLORS */
body {
  background: var(--urban-bg);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 16px;
  min-height: 100vh;
  letter-spacing: 0.01em;
 -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--brand-accent);
  letter-spacing: 0.01em;
  margin-bottom: 0.7em;
}
h1 { font-size: 2.5rem; line-height: 1.1; }
h2 { font-size: 2rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.18rem; }
h5,h6 { font-size: 1rem; }
p, ul, li, address, blockquote { color: var(--text-secondary); font-size: 1.08rem; }
strong { color: var(--brand-accent); font-weight: 600; }

/* LAYOUT & CONTAINER */
.container {
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
  box-sizing: border-box;
}
.content-wrapper {
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* SPACING & SECTION PATTERN (Mandatory) */
.section,
.hero,
.features,
.services,
.values,
.usp,
.thank-you,
.legal,
.about,
.contact,
.about-intro,
.testimonials {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: transparent;
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  position: relative;
  padding: 30px 28px;
}
.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;
}
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--brand-accent);
  border-radius: var(--border-radius);
  color: #24302C;
  box-shadow: 0 3px 16px rgba(30,34,39,0.08);
  margin-bottom: 20px;
  flex-direction: column;
  min-width: 220px;
  max-width: 540px;
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  background: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 28px 22px 22px 22px;
  box-shadow: var(--shadow);
  min-width: 210px;
  flex: 1 1 220px;
  margin-bottom: 20px;
  border: 1.5px solid var(--metallic);
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-item:hover {
  transform: translateY(-4px) scale(1.025);
  box-shadow: 0 8px 26px -5px rgba(169, 179, 184, 0.22);
  border-color: var(--brand-secondary);
}

/**** NAVBAR ****/
header {
  background: var(--primary-dark);
  border-bottom: 2.5px solid var(--metallic);
  position: relative;
  z-index: 20;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 0 14px 0;
  justify-content: flex-start;
  flex-wrap: wrap;
}
.main-nav a {
  color: var(--brand-accent);
  font-family: var(--font-display);
  font-weight: 600;
  transition: color var(--transition);
  font-size: 1.1rem;
  padding: 6px 8px;
  position: relative;
}
.main-nav a:hover,
.main-nav a:focus {
  color: var(--brand-secondary);
}
.main-nav a.cta {
  background: linear-gradient(90deg, var(--brand-secondary) 0%, var(--brand-primary) 90%);
  color: var(--card-bg);
  padding: 9px 19px;
  border-radius: 28px;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 1.5px 9px 0 rgba(43, 80, 64, 0.09);
  margin-left: 18px;
  border: 2px solid var(--brand-secondary);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.main-nav a.cta:hover,
.main-nav a.cta:focus {
  background: linear-gradient(90deg, var(--brand-primary) 20%, var(--brand-secondary) 100%);
  color: var(--brand-accent);
  box-shadow: 0 4px 16px 0 rgba(78,110,86,0.12);
}
.main-nav img {
  height: 44px; width: auto; margin-right: 20px;
}

/**** MOBILE MENU ****/
.mobile-menu-toggle {
  display: none;
  color: var(--brand-accent);
  background: none;
  font-size: 2.2rem;
  padding: 7px 15px;
  z-index: 31;
  position: relative;
}
.mobile-menu {
  position: fixed;
  left: 0; top: 0;
  width: 70vw;
  max-width: 360px;
  height: 100vh;
  background: var(--primary-dark);
  box-shadow: 3px 0 30px 0 rgba(22,26,36,0.22);
  transform: translateX(-105%);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(.61,-0.01,.32,1.06), opacity 0.28s;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  padding: 40px 24px 32px 18px;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
}
.mobile-menu-close {
  font-size: 2rem;
  color: var(--brand-accent);
  align-self: flex-end;
  margin-bottom: 22px;
  background: none;
  border: none;
  cursor: pointer;
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 10px;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--brand-accent);
  padding: 10px 5px;
  border-radius: 9px;
  transition: background var(--transition), color var(--transition);
}
.mobile-nav a:hover,
.mobile-nav a:focus {
  background: var(--brand-secondary);
  color: var(--primary-dark);
}
/* Overlay for closed menu: optional, left to JS as needed */

/**** HERO SECTION ****/
.hero {
  background: linear-gradient(90deg, var(--primary-dark) 65%, var(--brand-primary) 110%);
  border-bottom: 2px solid var(--metallic);
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}
.hero h1 {
  font-size: 2.7rem;
  color: var(--brand-secondary);
  margin-bottom: 20px;
  line-height: 1.18;
}
.hero p {
  color: var(--text-main);
  margin-bottom: 24px;
  font-size: 1.13rem;
}
.hero .cta {
  margin-top: 10px;
}

/**** CALL TO ACTION BUTTONS ****/
.cta {
  display: inline-block;
  color: var(--primary-dark);
  background: linear-gradient(90deg, var(--brand-secondary) 0%, var(--brand-primary) 95%);
  border-radius: 30px;
  padding: 11px 32px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.21rem;
  letter-spacing: 0.04em;
  border: none;
  box-shadow: 0 1px 10px 0 rgba(90,90,90,0.07);
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  border: 2px solid var(--brand-secondary);
  position: relative;
}
.cta:hover, .cta:focus {
  background: var(--brand-primary);
  color: var(--brand-accent);
  transform: translateY(-1px) scale(1.038);
  box-shadow: 0 8px 28px -3px rgba(31, 52, 46, 0.21);
  border-color: var(--brand-secondary);
}

/**** FEATURES/GRIDS ****/
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: flex-start;
}
.feature-item img {
  height: 46px;
  width: 46px;
  background: var(--brand-accent);
  border-radius: 50%;
  padding: 8px;
  border: 2px solid var(--metallic);
  margin-bottom: 8px;
  box-shadow: 0 2px 7px 0 rgba(177,189,190,0.07);
}
.feature-item h3 {
  font-size: 1.23rem; color: var(--brand-secondary); margin-bottom: 0.5em;
}

/**** SERVICES SECTION ****/
.service-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: flex-start;
  margin-bottom: 32px;
}
.service-item {
  background: var(--card-bg);
  border: 1.5px solid var(--metallic);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 28px 22px 23px 22px;
  margin-bottom: 20px;
  flex: 1 1 260px;
  display: flex;
  flex-direction: column;
  gap: 13px;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
.service-item h3 { color: var(--brand-secondary); font-weight: 700; }
.service-item p { color: var(--text-secondary); margin-bottom: 6px; }
.service-item .cta { margin-top: 14px; max-width: 94%; }
.service-item:hover {
  box-shadow: 0 10px 26px -10px rgba(120,133,140,0.20);
  border-color: var(--brand-secondary);
  transform: translateY(-3px) scale(1.021);
}

/**** TESTIMONIALS SECTION ****/
.testimonials {
  background: var(--card-bg);
  border-radius: var(--border-radius);
}
.testimonials h2 {
  color: var(--brand-secondary);
  margin-bottom: 26px;
}
.testimonial-card {
  background: var(--brand-accent);
  color: #2D3436;
  border-left: 8px solid var(--brand-secondary);
  box-shadow: 0 3px 17px rgba(40,60,53,0.07);
  padding: 26px 25px 20px 25px;
  margin-bottom: 22px;
  border-radius: var(--border-radius);
  position: relative; /* no position absolute! */
  transition: box-shadow var(--transition);
}
.testimonial-card blockquote {
  font-size: 1.13rem;
  color: #222f2B;
  font-style: italic;
  margin-bottom: 17px;
  font-family: var(--font-display);
  letter-spacing: 0.004em;
}
.testimonial-card p {
  font-size: 1rem;
  color: #454d4c;
  font-weight: 600;
  margin-bottom: 0;
}
.testimonial-card:after {
  content: '';
  display: block;
  height: 3px; width: 36px;
  background: var(--brand-secondary);
  border-radius: 2px;
  margin: 15px 0 0 0;
}
.testimonial-card:hover {
  box-shadow: 0 6px 22px -3px rgba(109,119,121,0.10);
}

/**** FOOTER ****/
footer {
  background: var(--primary-dark);
  border-top: 2.5px solid var(--metallic);
  color: var(--text-main);
  font-size: 0.96rem;
  padding-top: 34px; padding-bottom: 20px;
  margin-top: 60px;
}
footer .container {
  padding-top: 0;
  padding-bottom: 0;
}
footer .content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-display);
  margin-bottom: 2px;
}
footer nav a {
  color: var(--brand-accent);
  transition: color var(--transition);
}
footer nav a:hover { color: var(--brand-secondary); }
.footer-legal {
  font-size: 0.98em;
  color: var(--metallic);
  margin-top: 3px;
}
.footer-legal a {
  color: var(--brand-secondary);
  opacity: 0.75;
}
.footer-legal a:hover { opacity: 1; text-decoration: underline; }
.social-media {
  display: flex;
  flex-direction: row;
  gap: 16px;
  align-items: center;
}
.social-media img { height: 30px; width: 30px; filter: grayscale(60%) brightness(0.95); transition: filter var(--transition); }
.social-media img:hover { filter: grayscale(10%) brightness(1.2); }
address {
  font-style: normal;
  color: var(--text-secondary);
  font-size: 1.01em;
  line-height: 1.5;
}

/* LEGAL & THANK YOU PAGES */
.legal {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  border: 1.5px solid var(--metallic);
  box-shadow: 0 2px 10px rgba(30, 44, 40, 0.08);
}
.legal h1, .thank-you h1 {
  font-size: 2rem;
  color: var(--brand-secondary);
}
.legal h2, .thank-you h2 {
  color: var(--brand-accent);
}
.legal ul {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 1.5em;
}
.legal ul li { position: relative; padding-left: 14px; }
.legal ul li:before {
  content: '\25B8'; /* metallic chevron */
  color: var(--brand-secondary);
  position: absolute;
  left: 0; top: 1px;
  font-size: 1em;
}
.thank-you {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  border: 1.5px solid var(--metallic);
  text-align: left;
}
.thank-you h1 { color: var(--brand-secondary); }
.thank-you p { color: var(--text-main); font-size: 1.14rem; }
.thank-you .cta {
  margin-top: 24px;
}

/**** USP/ABOUT VALUES LISTS ****/
.values ul,
.usp ul,
.about ul,
.contact ul,
.features ul,
.about-intro ul {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 10px;
  margin-bottom: 1.6em;
}
.values ul li,
.usp ul li,
.about ul li,
.contact ul li,
.features ul li,
.about-intro ul li {
  color: var(--brand-accent);
  padding-left: 17px;
  position: relative;
  font-size: 1.11em;
}
.values ul li:before,
.usp ul li:before,
.about ul li:before,
.contact ul li:before,
.features ul li:before,
.about-intro ul li:before {
  content: '\2022';
  color: var(--brand-secondary);
  position: absolute;
  left: 0;
  font-size: 1.14em;
  top: 0;
}

/**** COOKIE CONSENT BANNER ****/
#cookie-banner {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100vw;
  background: var(--primary-dark);
  color: var(--brand-accent);
  padding: 22px 20px 20px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 18px;
  z-index: 1024;
  box-shadow: 0 -2px 22px -2px rgba(31, 41, 42, 0.13);
  border-top: 2.5px solid var(--metallic);
  font-size: 1.04em;
  animation: cookie-slidein 0.45s cubic-bezier(.72,0,.2,1);
}
@keyframes cookie-slidein {
  0% { transform: translateY(100%); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}
#cookie-banner p {
  margin: 0 0 0 0; color: var(--brand-accent);
  flex: 1 1 260px;
}
.cookie-btn, .cookie-btn-secondary {
  border-radius: 100px;
  font-size: 1.02em;
  font-family: var(--font-display);
  padding: 7px 20px;
  margin-left: 7px;
  margin-top: 5px;
  border: 2px solid var(--brand-secondary);
  background: var(--brand-secondary);
  color: var(--primary-dark);
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.cookie-btn-secondary {
  background: transparent;
  color: var(--brand-accent);
  border: 2px solid var(--brand-accent);
}
.cookie-btn:hover, .cookie-btn:focus {
  background: var(--brand-primary);
  color: var(--brand-accent);
  border-color: var(--brand-secondary);
}
.cookie-btn-secondary:hover, .cookie-btn-secondary:focus {
  background: var(--brand-accent);
  color: var(--brand-primary);
  border-color: var(--brand-accent);
}

/**** COOKIE PREFERENCES MODAL ****/
#cookie-modal {
  display: none;
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.96);
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: 0 7px 42px -3px rgba(32,41,36,0.19);
  min-width: 320px;
  max-width: 92vw;
  z-index: 1050;
  color: var(--brand-accent);
  padding: 38px 30px 30px 30px;
  font-size: 1.05em;
  animation: cookie-modal-in 0.32s cubic-bezier(.73,0,.31,1);
}
#cookie-modal.open {
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform: translate(-50%, -50%) scale(1);
}
@keyframes cookie-modal-in {
  0% { transform: translate(-50%, -40%) scale(0.78); opacity:0; }
  100% { transform: translate(-50%, -50%) scale(1); opacity:1; }
}
#cookie-modal h2 { color: var(--brand-secondary); font-size: 1.2em; margin-bottom: 12px;}
#cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 9px;
}
#cookie-modal .cookie-category label {
  font-size: 1em;
  margin-left: 6px; color: var(--brand-accent);
}
#cookie-modal .cookie-toggle {
  accent-color: var(--brand-secondary);
  width: 19px; height: 19px;
}
#cookie-modal .cookie-actions {
  display: flex;
  gap: 14px;
  margin-top: 12px;
}
#cookie-modal .cookie-btn,
#cookie-modal .cookie-btn-secondary { min-width: 95px; }
#cookie-modal .cookie-divider {
  border-bottom: 1.7px solid var(--metallic);
  margin: 10px 0 11px 0;
}
#cookie-modal .cookie-info {
  font-size: 0.95em;
  color: var(--text-secondary);
  margin-bottom: 2px;
}

/**** FORMS, LINKS, INTERACTIVES ****/
a:hover, a:focus {
  text-decoration: underline;
  outline: none;
}
button:focus, .cta:focus, .cookie-btn:focus, .cookie-btn-secondary:focus, .mobile-menu-close:focus, .mobile-menu-toggle:focus {
  outline: 2.5px solid var(--brand-secondary);
  outline-offset: 2px;
}
input, textarea, select {
  background: var(--card-bg);
  border: 1px solid var(--metallic);
  border-radius: 8px;
  color: var(--brand-accent);
  padding: 9px 12px;
  font-size: 1.05rem;
  margin-bottom: 14px;
  width: 100%;
  box-shadow: 0 1px 3px rgba(60,60,60,0.03);
}
input:focus, textarea:focus, select:focus {
  border-color: var(--brand-secondary);
  outline: none;
}

/**** GENERAL CARD STYLES (also for about/values/etc.) ****/
.card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  border: 1.5px solid var(--metallic);
  overflow: hidden;
  color: var(--brand-accent);
  margin-bottom: 20px;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.card:hover { border-color: var(--brand-secondary); box-shadow: 0 9px 22px -6px rgba(91,120,112,0.13); }

/**** RESPONSIVE DESIGN (mobile-first from here, enhance on large) ****/
@media (max-width: 1160px) {
  .feature-grid, .service-list {
    flex-direction: column;
    gap: 24px;
  }
}
@media (max-width: 900px) {
  .main-nav a {
    font-size: 1em;
  }
  .container { padding-left: 10px; padding-right: 10px; }
}
@media (max-width: 768px) {
  html { font-size: 15px; }
  header { padding-bottom: 0; }
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
    position: absolute;
    top: 17px;
    right: 15px;
  }
  .mobile-menu {
    width: 88vw;
    max-width: 94vw;
    padding-top: 35px;
  }
  .container { padding-left: 4vw; padding-right: 4vw; }
  .feature-grid, .service-list, .card-container, .content-grid { flex-direction: column; gap: 20px; }
  .footer nav, .social-media { flex-direction: column; gap: 4px; }
}
@media (max-width: 640px) {
  html { font-size: 14px; }
  .hero h1 { font-size: 1.75rem; }
  .feature-item,
  .service-item {
    padding: 18px 12px 15px 12px;
  }
  .testimonial-card { padding: 17px 11px; }
  .about, .contact, .values, .thank-you, .section, .features, .hero, .testimonials { padding: 20px 5px; }
}
@media (max-width: 500px) {
  .hero h1 { font-size: 1.3rem; }
  .cta { font-size: 1rem; padding: 9px 15px; }
  .card { padding: 18px 8px; }
}

/**** FOCUS-VISIBLE ACCESSIBILITY ****/
a:focus-visible, button:focus-visible, .cta:focus-visible {
  outline: 2.5px solid var(--brand-secondary);
  outline-offset: 2px;
  z-index: 2;
}

/**** SCROLLBAR STYLING ****/
::-webkit-scrollbar {
  width: 10px; background: var(--primary-dark);
}
::-webkit-scrollbar-thumb {
  background: var(--metallic);
  border-radius: 6px;
}

/**** TRANSITIONS & ANIMATIONS ****/
* {
  transition: box-shadow var(--transition), color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition);
}

/**** HIGH CONTRAST FOR REVIEW SECTIONS ****/
.testimonials, .testimonial-card {
  background: var(--brand-accent);
  color: #232826;
  border-left: 7px solid var(--brand-secondary);
}
.testimonial-card blockquote, .testimonial-card p {
  color: #24302C;
}

/**** PREVENT OVERLAPPING, WHITE SPACE ****/
.card-container > *,
.feature-grid > *,
.service-list > *,
.content-grid > *,
.text-image-section > *,
.values ul > *,
.about ul > *,
.contact ul > *,
.usp ul > * {
  margin-bottom: 0;
}
.section,
.hero,
.features,
.services,
.values,
.usp,
.thank-you,
.legal,
.about,
.contact,
.testimonials {
  margin-bottom: 60px;
}

/**** MISC fix: images spacing, ensure no element overlap ****/
.feature-item img, .feature-item h3, .feature-item p {
  margin-bottom: 0; /* gap handled by flex */
}

/**** FLEXBOX FOR ALL LAYOUTS ****/
/* Enforced above with display: flex & flex-wrap for all grid containers */

/**** END OF STYLE.CSS ****/