/* ===================== 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;
}
article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section {
  display:block;
}
body { line-height:1; }
ol,ul { list-style:none; }
blockquote,q { quotes:none; }
blockquote:before,blockquote:after,q:before,q:after {
  content:''; content:none;
}
table { border-collapse:collapse; border-spacing:0; }
img,svg { max-width:100%; height:auto; display:block; }

/* ========== PLAYFUL DYNAMIC VARIABLES & BRAND COLORS ========== */
:root {
  --color-primary: #234153;
  --color-secondary: #F7B041;
  --color-accent: #F2F4F8;
  --color-pop1: #55DBCB;
  --color-pop2: #ED5276;
  --color-pop3: #54BFEE;
  --text-dark: #1b2329;
  --text-light: #fff;
  --border-radius: 22px;
  --shadow-main: 0 4px 16px 0 rgba(35,65,83,0.08), 0 1.5px 3px 0 rgba(35,65,83,0.14);
  --shadow-pop: 0 6px 12px 0 rgba(87, 180, 190, 0.16), 0 1.5px 3px 0 rgba(36, 64, 189, 0.09);
  --font-display: 'Oswald', Arial, sans-serif;
  --font-body: 'Open Sans', Arial, sans-serif;
}

@font-face {
  font-family: 'Oswald';
  src: local('Oswald'), local('Oswald-Regular'), url('https://fonts.gstatic.com/s/oswald/v36/TK3_WkUHHAIjg752FD8GheU.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display:swap;
}
@font-face {
  font-family: 'Open Sans';
  src: local('Open Sans'), local('OpenSans-Regular'), url('https://fonts.gstatic.com/s/opensans/v28/mem8YaGs126MiZpBA-UFVZ0bbck.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display:swap;
}

body {
  box-sizing: border-box;
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--color-accent);
  font-size: 16px;
  min-height: 100vh;
  width: 100vw;
  overflow-x: hidden;
}

*, *:before, *:after { box-sizing: inherit; }
a { color: var(--color-primary); text-decoration: none; transition: color 0.15s; }
a:hover, a:focus { color: var(--color-secondary); }

/* ========== FLEX CONTAINERS & LAYOUT ========== */
.container {
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 18px;
}
.content-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-main);
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-main);
  padding: 24px 18px;
  min-width: 260px;
  flex: 1 1 320px;
}

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

/* ========== TYPOGRAPHY (PLAYFUL, MODERN) ========== */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.01em;
  text-shadow: 1px 2px 0 rgba(36,65,83,0.08);
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 8px;
  color: var(--color-pop2);
  text-shadow: 2px 4px 0 var(--color-pop1), 1px 1px 0 var(--color-accent);
}
h2 {
  font-size: 1.7rem;
  margin-bottom: 10px;
  color: var(--color-primary);
  text-shadow: 1px 2px 0 var(--color-pop1);
}
h3 {
  font-size: 1.2rem;
  color: var(--color-secondary);
  margin-bottom: 8px;
  text-shadow: 1px 1px 0 var(--color-accent);
}
p, li {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
}
b, strong { font-weight: 700; }

.text-section {
  margin-bottom: 24px;
  padding: 22px 26px;
  border-radius: 16px;
  background: var(--color-accent);
  box-shadow: 0 1px 3px 0 rgba(87,176,190,0.08);
  color: var(--color-primary);
}

ul {
  margin-left: 0;
  margin-bottom: 12px;
}
ul li {
  list-style: disc inside;
  padding-left: 0.5em;
  margin-bottom: 5px;
}

/* ========== BUTTONS ========== */
.button-primary {
  display: inline-block;
  background: var(--color-secondary);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 1.07rem;
  font-weight: 700;
  border: none;
  border-radius: 34px;
  padding: 14px 35px;
  cursor: pointer;
  box-shadow: 0 3px 10px 0 rgba(247,176,65,0.15);
  transition: background 0.25s, box-shadow 0.23s, transform 0.13s;
  margin-top: 8px;
  letter-spacing: 0.02em;
  text-shadow: 1px 1px 0 var(--color-accent);
  position: relative;
}
.button-primary:hover, .button-primary:focus {
  background: var(--color-pop1);
  color: var(--text-dark);
  box-shadow: 0 6px 18px 0 var(--color-pop3), 0 1.5px 3px 0 rgba(36, 64, 189, 0.09);
  transform: translateY(-2px) scale(1.04) rotate(-1deg);
}

/* ========== NAVIGATION ========== */
header {
  width: 100%;
  background: var(--color-accent);
  box-shadow: 0 2px 11px 0 rgba(35,65,83,0.06);
  position: sticky;
  top: 0;
  z-index: 20;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}
.main-nav a {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--color-primary);
  font-size: 1.05rem;
  border-radius: 18px;
  padding: 7px 18px;
  transition: background 0.16s, color 0.17s;
}
.main-nav a:not(.button-primary):hover, .main-nav a:not(.button-primary):focus {
  background: var(--color-pop1);
  color: var(--color-primary);
  text-decoration: none;
}
.main-nav .button-primary {
  margin-left: 18px;
  padding: 10px 26px;
  font-size: 1.05rem;
}

header img[alt="EnergieKraft Öltechnik"] {
  height: 50px;
  width: auto;
  margin-right: 36px;
}

/* ========== MOBILE MENU ========== */
.mobile-menu-toggle {
  display: none;
  font-size: 2rem;
  background: var(--color-secondary);
  color: var(--color-primary);
  border: none;
  border-radius: 50%;
  width: 42px; height: 42px;
  margin-left: 12px;
  cursor: pointer;
  box-shadow: 0 1px 6px 0 rgba(35,65,83,0.11);
  transition: background .2s, transform .18s;
  z-index: 30;
}
.mobile-menu-toggle:hover, .mobile-menu-toggle:focus {
  background: var(--color-pop2);
  color: #fff;
  transform: rotate(12deg);
}
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100vw;
  height: 100vh;
  background: var(--color-accent);
  box-shadow: -7px 0 18px rgba(35,65,83,0.10);
  transform: translateX(100%);
  transition: transform .37s cubic-bezier(.86,-0.03,0,1.16);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  opacity: 1;
  pointer-events: none;
}
.mobile-menu.open {
  transform: translateX(0);
  pointer-events: all;
  opacity: 1;
}
.mobile-menu-close {
  background: var(--color-pop2);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  font-size: 2rem;
  position: absolute;
  right: 32px;
  top: 22px;
  cursor: pointer;
  z-index: 10001;
  box-shadow: var(--shadow-main);
  transition: background 0.18s, transform 0.13s;
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
  transform: rotate(-14deg);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 23px;
  margin-top: 90px;
  width: 100%;
  padding: 0 16vw;
  height: 100%;
}
.mobile-nav a {
  display: block;
  font-family: var(--font-display);
  font-size: 1.4rem;
  padding: 17px 0;
  border-radius: 22px;
  width: 100%;
  color: var(--color-primary);
  background: none;
  text-align: left;
  transition: background 0.22s, color 0.13s;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: var(--color-pop1);
  color: var(--color-pop2);
}

/* ========== HERO SECTION ========== */
.hero {
  background: linear-gradient(96deg, var(--color-accent) 80%, var(--color-pop1) 100%);
  padding: 60px 0;
  min-height: 300px;
  border-bottom: 7px solid var(--color-pop2);
  position: relative;
  margin-bottom: 60px;
  box-shadow: 0 6px 20px 0 rgba(87,180,190,0.09);
  overflow: hidden;
}
.hero .content-wrapper {
  align-items: flex-start;
  gap: 16px;
  justify-content: center;
}
.hero h1 {
  font-size: 2.6rem;
  color: var(--color-pop2);
  margin-bottom: 14px;
}
.hero h2 {
  color: var(--color-primary);
  font-size: 1.33rem;
  margin-bottom: 16px;
}
.hero .button-primary {
  background: var(--color-pop1);
  color: var(--color-primary);
}
.hero .button-primary:hover { background: var(--color-secondary); }

/* ========== FEATURES GRID & CARDS (ICONS ETC.) ========== */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 26px;
  margin: 24px 0;
  justify-content: flex-start;
}
.feature-grid > div {
  background: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-pop);
  padding: 30px 20px 32px 20px;
  flex: 1 1 220px;
  min-width: 210px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  border-left: 9px solid var(--color-pop1);
  transition: box-shadow .24s, transform .23s, border-color .23s;
  position: relative;
  min-height: 220px;
  margin-bottom: 20px;
  overflow: hidden;
  z-index: 0;
}
.feature-grid > div:hover {
  box-shadow: 0 10px 32px 0 rgba(247,176,65,0.12), var(--shadow-main);
  transform: translateY(-3px) scale(1.03) rotate(-1.5deg);
  border-left: 9px solid var(--color-pop3);
}
.feature-grid img {
  width: 44px; height: 44px;
  margin-bottom: 13px;
  filter: drop-shadow(1px 2px 0 var(--color-pop3));
  transition: transform .19s;
}
.feature-grid > div:hover img {
  transform: rotate(-13deg) scale(1.13);
}

.benefits-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 18px;
}
.benefits-grid > div {
  background: var(--color-pop1);
  border-radius: 16px;
  padding: 23px 23px 18px 23px;
  box-shadow: var(--shadow-pop);
  color: var(--color-primary);
  flex: 1 1 200px;
  min-width: 180px;
}

/* ========== TESTIMONIALS ========== */
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  margin-bottom: 22px;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 2px 14px 0 rgba(87,176,190,0.09);
  border-left: 7px solid var(--color-pop3);
  color: var(--text-dark);
  min-width: 230px;
  max-width: 670px;
  font-size: 1.06rem;
}
.testimonial-card blockquote {
  font-family: var(--font-display);
  color: var(--color-pop2);
  font-size: 1.14rem;
  font-style: italic;
  line-height: 1.5;
  margin: 0 12px 0 0;
  quotes: "\201C" "\201D" "\2018" "\2019";
}
.testimonial-card p {
  margin: 0;
  color: var(--color-primary);
  font-size: 0.98rem;
}

/* ========== FOOTER ========== */
footer {
  width: 100%;
  background: var(--color-primary);
  color: #fff;
  padding-top: 30px;
  margin-top: 54px;
}
footer .container {
  padding-bottom: 30px;
}
footer .content-wrapper {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 36px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 13px;
}
footer img[alt="EnergieKraft Öltechnik"] {
  height: 56px; margin-bottom: 10px;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.footer-nav a {
  color: var(--color-secondary);
  font-family: var(--font-display);
  font-size: 1.04rem;
  opacity: 0.92;
  transition: color .15s;
}
.footer-nav a:hover, .footer-nav a:focus {
  color: var(--color-pop1);
}

footer .social-links {
  display: flex;
  gap: 17px;
  margin-top: 11px;
}
footer .social-links a img {
  width: 29px; height: 29px;
  border-radius: 50%;
  box-shadow: 0 1.5px 4px 0 rgba(247,176,65,0.14);
  background: var(--color-accent);
  transition: background .2s;
}
footer .social-links a:hover img {
  background: var(--color-pop1);
}
footer p {
  margin: 5px 0 0 0;
  font-size: 0.95rem;
  color: #e0e6ea;
  letter-spacing: 0.02em;
}

/* ========== CARDS, SECTIONS, CTAS ========== */
.card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 15px;
}
section {
  margin-bottom: 60px;
  padding: 40px 20px;
}

/* ========== COOKIE CONSENT BANNER ========== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100vw;
  background: var(--color-pop2);
  color: #fff;
  box-shadow: 0 -2px 13px 0 rgba(35,65,83,0.13);
  padding: 20px 18px;
  z-index: 40000;
  display: flex;
  align-items: flex-start;
  gap: 32px;
  justify-content: space-between;
  flex-wrap: wrap;
  transition: transform .38s cubic-bezier(.68,-0.33,0,1.13), opacity .16s;
  border-top-left-radius: 28px;
  border-top-right-radius: 28px;
}
.cookie-banner.hide { transform: translateY(120%); opacity: 0; pointer-events: none; }
.cookie-banner__text {
  font-size: 1.01rem;
  line-height: 1.6;
  max-width: 480px;
}
.cookie-banner__actions {
  display: flex;
  gap: 15px;
  align-items: center;
  margin-top: 8px;
}
.cookie-btn {
  border: none;
  border-radius: 18px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  padding: 10px 22px;
  cursor: pointer;
  background: var(--color-secondary);
  color: var(--color-primary);
  box-shadow: 0 2px 8px 0 rgba(247,176,65,0.19);
  margin-right: 5px;
  transition: background .18s, color .07s, transform 0.14s;
}
.cookie-btn.accept { background: var(--color-pop1); color: var(--color-primary); }
.cookie-btn.reject { background: var(--color-pop3); color: #fff; }
.cookie-btn.settings { background: var(--color-secondary); color: var(--color-primary); }
.cookie-btn:hover, .cookie-btn:focus {
  background: var(--color-accent);
  color: var(--color-pop2);
  transform: scale(1.05) translateY(-2px);
}

/* COOKIE MODAL */
.cookie-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(35,65,83, 0.44);
  z-index: 41000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity .15s;
}
.cookie-modal-overlay.hide { opacity: 0; pointer-events: none; }
.cookie-modal {
  background: #fff;
  color: var(--color-primary);
  padding: 38px 30px 30px 30px;
  border-radius: 30px;
  max-width: 510px;
  width: 96vw;
  box-shadow: 0 4px 38px rgba(35,65,83,0.14);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 21px;
  animation: popin-modal .42s cubic-bezier(.81,-0.32,.43,1.24);
}
@keyframes popin-modal {
  from { transform: scale(0.84) translateY(70px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}
.cookie-modal h2 {
  color: var(--color-pop2);
  font-size: 1.37rem;
  margin-bottom: 16px;
}
.cookie-modal ul {
  padding: 0;
  margin: 0;
}
.cookie-category {
  display: flex;
  gap: 14px;
  align-items: center;
  font-size: 1.09rem;
  margin-bottom: 9px;
}
.cookie-category input[type="checkbox"] { width: 21px; height: 21px; accent-color: var(--color-pop1); }
.cookie-modal .cookie-category label {
  font-family: var(--font-body);
  letter-spacing: 0.01em;
}
.cookie-modal .cookie-toggle-disabled input[type="checkbox"] {
  opacity: 0.6;
  pointer-events: none;
}
.cookie-modal .cookie-category b {
  color: var(--color-secondary);
  margin-right: 5px;
}
.cookie-modal .cookie-modal-actions {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-top: 10px;
}
.cookie-modal .cookie-modal-close {
  position: absolute;
  right: 21px; top: 16px;
  font-size: 1.18rem;
  background: transparent;
  border: none;
  color: var(--color-pop2);
  cursor: pointer;
}
.cookie-modal .cookie-modal-close:hover { color: var(--color-pop3); }

/* ========== ANIMATION & MICROINTERACTIONS ========== */
@keyframes cardPopAppear {
  from { opacity: 0; transform: translateY(40px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.card, .feature-grid > div, .testimonial-card { animation: cardPopAppear .76s cubic-bezier(.9,.25,.38,1.11); }
.button-primary, .cookie-btn { transition: background 0.18s, color 0.13s, transform 0.14s, box-shadow 0.13s; }
.card:hover, .testimonial-card:hover {
  box-shadow: 0 8px 24px 0 var(--color-pop1), 0 1.5px 3px 0 var(--color-pop3);
  transform: scale(1.025) rotate(-2deg);
}

/* ========== RESPONSIVE DESIGN (MOBILE FIRST) ========== */
.main-nav { display: none; }
@media (min-width: 1020px) {
  .main-nav { display: flex; }
  .mobile-menu-toggle { display: none; }
  .mobile-menu { display: none !important; }
}
@media (max-width: 1019px) {
  .main-nav { display: none !important; }
  .mobile-menu-toggle { display: block; }
}
@media (max-width: 800px) {
  .footer-nav { flex-direction: column; gap: 9px; }
  .footer .content-wrapper, footer .content-wrapper { flex-direction: column; align-items: flex-start; gap: 20px; }
}
@media (max-width: 780px) {
  .feature-grid, .content-grid, .card-container, .benefits-grid {
    flex-direction: column;
    gap: 20px;
    align-items: stretch;
  }
  .benefits-grid > div, .feature-grid > div, .card {
    min-width: 0;
    width: 100%;
  }
  .section, section { padding: 29px 11px; }
  .container { padding: 0 6px; }
  .content-wrapper { gap: 17px; }
  .footer .content-wrapper, footer .content-wrapper { gap: 18px; }
}
@media (max-width: 768px) {
  .text-image-section {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 14px;
  }
  h1 { font-size: 1.47rem; }
  h2 { font-size: 1.13rem; }
}
@media (max-width: 650px) {
  html { font-size: 95%; }
  .hero { padding: 32px 0; }
  .hero .content-wrapper { gap: 9px; }
  .feature-grid > div,
  .testimonial-card,
  .benefits-grid > div { padding: 17px 9px; min-width: 0; }
  .cookie-modal { padding: 22px 7vw; }
  .mobile-nav { padding: 0 7vw; }
}
@media (max-width: 500px) {
  section, .section, .hero { padding: 20px 2px; }
  .footer .container, footer .container { padding-bottom: 19px; }
  .cookie-banner { flex-direction: column; gap: 12px; align-items: flex-start; }
}

/* Ensure no content overlaps, spacing always kept min 20px between cards/sections */
section + section, .section + .section { margin-top: 40px; }

/* Prevent absolute positioning of cards/text blocks (except decoration) */
/* Already only position: relative on .card etc. */

/* ========== MISC ACCESSIBILITY ========== */
:focus-visible { outline: 3px solid var(--color-pop1); outline-offset: 1px; }

/* ========== OVERRIDES & UTILITY CLASSES ========== */
.hide { display: none !important; }
.m-0 { margin: 0 !important; }
.mt-lg { margin-top: 34px !important; }
.mb-lg { margin-bottom: 34px !important; }
.mb-md { margin-bottom: 17px !important; }
.pt-0 { padding-top: 0 !important; }
.text-center { text-align: center !important; }

/* ========== FORM ELEMENTS (if present) ========== */
input, textarea, select {
  border: 2px solid var(--color-pop1);
  border-radius: 9px;
  padding: 9px 12px;
  font-size: 1rem;
  width: 100%;
  max-width: 450px;
  margin-bottom: 13px;
  font-family: var(--font-body);
}
input:focus, textarea:focus, select:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 2px 8px 0 var(--color-pop3);
}

/* ========== PRINT OVERRIDE ========== */
@media print {
  body, html { background: #fff !important; }
  header, .main-nav, .mobile-menu, .mobile-menu-toggle, .cookie-banner, .cookie-modal-overlay { display:none !important; }
  footer { color: #333; background: #fff; }
}