/* ==========================================================================
   Emerald Haven Energia - tech_futuristic CSS
   Mobile-First • Brand Colors • Modern UI • Flexbox-Only Layouts
   ========================================================================== */

/* ===============================
   1. 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;
}
html { box-sizing: border-box; }
*, *:before, *:after { box-sizing: inherit; }
body- *, a, button { -webkit-tap-highlight-color: transparent; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s; }
button { background: none; border: none; padding: 0; cursor: pointer; font: inherit; }

/* ===============================
   2. COLOR VARIABLES
   =============================== */
:root {
  --color-primary: #276448;
  --color-secondary: #F1F5ED;
  --color-accent: #53967E;
  --color-dark-bg: #0e1812;
  --color-white: #fff;
  --color-light: #E0ECE8;
  --color-neon: #4EF1A2;
  --color-neon-blue: #55C1E8;
  --color-grey: #616e63;
  --box-shadow-main: 0 2px 16px 0 rgba(17,60,37,0.11), 0 1.5px 8px 0 rgba(54,255,176,.11);
  --radius-s: 8px;
  --radius-m: 16px;
  --radius-l: 24px;
  --transition-fast: 0.18s cubic-bezier(.45,.85,.48,1.11);
}

/* ===============================
   3. TYPOGRAPHY
   =============================== */
body {
  background: var(--color-dark-bg);
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
  color: var(--color-secondary);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  letter-spacing: 0.01em;
}
@media (min-width: 992px) {
  body { font-size: 17px; }
}
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  color: var(--color-white);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
}
h1 { font-size: 2.3rem; margin-bottom: 16px; }
h2 { font-size: 1.6rem; margin-bottom: 16px; }
h3 { font-size: 1.15rem; margin-bottom: 12px; color: var(--color-neon); }
h4, h5, h6 { color: var(--color-accent); }
@media (min-width: 600px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2.1rem; }
  h3 { font-size: 1.28rem; }
}
p, li, blockquote { color: var(--color-secondary); }
strong { color: var(--color-white); font-weight: 600; }
blockquote {
  font-size: 1.1em;
  font-style: italic;
  margin-bottom: 8px;
  color: #232;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
}

/* ===============================
   4. UTILITY CLASSES
   =============================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: transparent;
}
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  border-radius: var(--radius-m);
  box-shadow: var(--box-shadow-main);
  background: #102820;
  overflow: hidden;
  padding: 28px 24px;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}
.card:hover,
.card:focus-within {
  box-shadow: 0 0 0 2px var(--color-neon), 0 6px 32px -4px var(--color-accent);
  transform: translateY(-4px) scale(1.01);
}
.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;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--color-light);
  border-radius: var(--radius-m);
  margin-bottom: 20px;
  box-shadow: 0 2px 20px rgba(50,160,120,0.12);
  border-left: 5px solid var(--color-neon);
}
.testimonial-card blockquote {
  color: #182b20;
  font-size: 1.13em;
}
.testimonial-card p {
  color: #0f201b;
  margin: 0;
  font-size: 1em;
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  background: #123422;
  border-radius: var(--radius-m);
  padding: 22px 18px;
  flex: 1 1 220px;
  box-shadow: var(--box-shadow-main);
  transition: box-shadow var(--transition-fast), background var(--transition-fast);
}
.feature-item:hover,
.feature-item:focus-within {
  box-shadow: 0 0 0 2px var(--color-neon), 0 6px 24px -4px var(--color-neon);
  background: #16402c;
}
/* Cards Grid for use in different sections */
.benefit-cards, .technology-grid, .service-overview-list, .post-list, .case-studies {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.benefit-card, .technology-item, .service-item, .case-study, .post-preview {
  flex: 1 1 260px;
  background: #102820;
  border-radius: var(--radius-m);
  box-shadow: var(--box-shadow-main);
  padding: 26px 20px 22px 20px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}
.benefit-card:hover, .technology-item:hover, .service-item:hover, .case-study:hover, .post-preview:hover {
  box-shadow: 0 0 0 2px var(--color-neon-blue), 0 8px 32px -5px var(--color-neon);
  transform: translateY(-4px) scale(1.02);
}

/* ===============================
   5. HEADER & NAVIGATION
   =============================== */
header {
  background: linear-gradient(90deg, #153929 60%, #1e382e 100%);
  box-shadow: 0 3px 14px rgba(18,48,46,.09);
  position: relative;
  z-index: 30;
}
header .container {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
}
.logo img { height: 42px; }

.main-nav {
  display: none;
}
.main-nav a {
  margin-left: 16px;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 600;
  color: var(--color-accent);
  font-size: 1rem;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border var(--transition-fast);
  border-radius: 6px;
}
.main-nav a:hover, .main-nav a:focus {
  color: var(--color-neon);
  border-bottom: 2px solid var(--color-neon);
  background: rgba(73,255,186,0.14);
}
.btn-primary {
  display: inline-block;
  padding: 10px 28px;
  background: var(--color-neon);
  color: #143222;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 700;
  border-radius: var(--radius-s);
  font-size: 1rem;
  margin-left: 16px;
  box-shadow: 0 2px 8px 0 rgba(85,255,182,.18);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  letter-spacing: 0.03em;
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--color-neon-blue);
  color: var(--color-dark-bg);
  transform: scale(1.05);
}
/* Hamburger (mobile) button */
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.1em;
  color: var(--color-neon);
  background: rgba(0,0,0,0.12);
  border: none;
  border-radius: var(--radius-s);
  width: 46px;
  height: 46px;
  transition: background var(--transition-fast);
  z-index: 51;
}
.mobile-menu-toggle:focus, .mobile-menu-toggle:hover {
  background: rgba(78,241,162,0.21);
  color: var(--color-neon-blue);
}
@media (min-width: 992px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .mobile-menu-toggle {
    display: none;
  }
}

/* ===============================
   6. MOBILE SLIDE MENU
   =============================== */
.mobile-menu {
  display: flex;
  flex-direction: column;
  background: #0e1812;
  position: fixed;
  top: 0; left: 0; height: 100vh; width: 92vw;
  max-width: 360px;
  z-index: 999;
  transform: translateX(-110%);
  box-shadow: 8px 0 28px -3px rgba(40,255,210,.09);
  transition: transform 0.38s cubic-bezier(.52,.03,.53,1.15);
}
.mobile-menu.open {
  transform: translateX(0%);
}
.mobile-menu-close {
  align-self: flex-end;
  font-size: 2.4rem;
  color: var(--color-neon);
  background: none;
  border: none;
  padding: 18px 18px 5px 5px;
  margin-right: 5px;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.mobile-menu-close:hover,
.mobile-menu-close:focus {
  color: var(--color-neon-blue);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 28px 18px 38px 22px;
}
.mobile-nav a {
  font-size: 1.09rem;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  color: var(--color-secondary);
  padding: 14px 8px 12px 0px;
  border-radius: var(--radius-s);
  margin-bottom: 2px;
  font-weight: 500;
  background: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: rgba(78,241,162,0.17);
  color: var(--color-neon);
}
@media (min-width: 992px) {
  .mobile-menu { display: none !important; }
}

/* Overlay for mobile menu on open */
.mobile-menu.open ~ .menu-overlay {
  display: block;
}
.menu-overlay {
  display: none;
  position: fixed;
  z-index: 900;
  left: 0; top: 0; width: 100vw; height: 100vh;
  background: rgba(13,22,19,0.65);
}

/* ===============================
   7. HERO SECTION, CTA, MAJOR SECTIONS
   =============================== */
.hero {
  background: linear-gradient(112deg, var(--color-primary) 66%, var(--color-grey) 100%);
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 38px;
  padding-bottom: 38px;
}
.hero .content-wrapper {
  align-items: flex-start;
  gap: 22px;
}
.hero h1 {
  font-size: 2.1rem;
  color: var(--color-neon);
  text-shadow: 0 2px 20px rgba(78,241,162,0.21);
}
.hero p {
  color: var(--color-secondary);
  font-size: 1.12rem;
  margin-bottom: 10px;
}
@media (min-width: 600px) {
  .hero h1 { font-size: 2.8rem; }
  .hero { min-height: 440px; }
}

.cta {
  background: linear-gradient(92deg, #236347 60%, #29796B 100%);
  border-radius: var(--radius-m);
  box-shadow: 0 2px 18px -5px var(--color-neon-blue);
  margin-top: 30px;
  margin-bottom: 0;
}
.cta h2 {
  color: var(--color-neon);
  font-size: 2rem;
  margin-bottom: 16px;
}

/* ===============================
   8. FLEX LAYOUTS FOR CUSTOM SECTIONS
   =============================== */
.feature-grid, .benefit-list, .impact-statistics, .statistics, .partner-logos, .newsletter-signup, .data-points, .infographic-list, .footer-nav, .footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.feature-grid {
  justify-content: flex-start;
  margin-top: 20px;
  width: 100%;
}
@media (max-width: 600px) {
  .feature-grid, .benefit-cards, .technology-grid, .service-overview-list, .post-list, .case-studies {
    flex-direction: column;
  }
}
.benefit-list {
  flex-direction: column;
  gap: 12px;
}
.benefit-list li::before {
  content: "✔";
  color: var(--color-neon);
  margin-right: 10px;
  font-size: 1.15em;
}
.statistics, .impact-statistics, .data-points {
  flex-direction: row;
  align-items: center;
  gap: 30px;
  margin-top: 18px;
  padding-left: 4px;
}
.infographic-list {
  flex-wrap: wrap;
  gap: 18px 30px;
  margin-bottom: 18px;
}
.infographic-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.08em;
  color: var(--color-neon);
}
.partner-logos img {
  height: 38px;
  margin-right: 12px;
  filter: drop-shadow(0 0 6px rgba(42,255,154,0.13));
}

/* ===============================
   9. BLOG, CASES, TABLES
   =============================== */
.post-list, .case-studies {
  gap: 24px;
}
.post-preview {
  border-left: 5px solid var(--color-accent);
  background: #153729;
}
.post-preview a {
  color: var(--color-neon); text-decoration: underline;
  font-weight: 600;
  margin-top: 12px; display: inline-block;
  transition: color var(--transition-fast);
}
.post-preview a:hover { color: var(--color-neon-blue); }
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0 30px 0;
  box-shadow: var(--box-shadow-main);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: #193b2a;
  color: var(--color-white);
}
.comparison-table th, .comparison-table td {
  text-align: left;
  padding: 14px 12px;
  border-bottom: 1px solid #32644a22;
}
.comparison-table th {
  color: var(--color-neon);
  font-size: 1.08em;
  background: #153729;
}
.comparison-table tr:last-child td {
  border-bottom: none;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-list li {
  background: #102820;
  border-radius: var(--radius-s);
  padding: 18px 14px;
  font-size: 1.06em;
  border-left: 3px solid var(--color-neon-blue);
  color: var(--color-secondary);
}

/* ===============================
   10. FOOTER
   =============================== */
footer {
  background: linear-gradient(90deg, #123320 50%, #22644d 100%);
  padding-top: 34px;
  padding-bottom: 22px;
  margin-top: 72px;
  font-size: 0.97em;
}
footer .container {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}
footer .content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-nav a {
  color: var(--color-neon);
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  letter-spacing: 0.01em;
  font-weight: 500;
  transition: color var(--transition-fast);
}
.footer-nav a:hover { color: var(--color-accent); text-decoration: underline; }
.footer-contact {
  color: var(--color-light);
}
.footer-contact img { margin-right: 7px; vertical-align: -4px; height: 17px; }
.footer-social {
  display: flex;
  gap: 16px;
}
.footer-social a img {
  display: block; filter: grayscale(35%) contrast(1.5);
  height: 32px;
  transition: filter var(--transition-fast), transform var(--transition-fast);
}
.footer-social a:hover img {
  filter: grayscale(0%) brightness(1.1) drop-shadow(0 0 7px var(--color-neon));
  transform: scale(1.08);
}
.footer-copy {
  color: #a7d2b1;
  margin-top: 10px;
  font-size: 0.93em;
}

/* ===============================
   11. MISC/FORM/OTHER ELEMENTS
   =============================== */
input, textarea, select {
  border-radius: var(--radius-s);
  border: 1.5px solid var(--color-accent);
  background: #131f19;
  color: var(--color-secondary);
  padding: 12px 14px;
  margin-bottom: 18px;
  font-size: 1em;
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
  transition: border-color var(--transition-fast);
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-neon);
}
label { display: block; margin-bottom: 5px; color: var(--color-neon); font-size: 1.01em; }

/* Map placeholder */
.map-placeholder img {
  width: 100%;
  min-height: 190px;
  background: #234f36;
  border-radius: var(--radius-m);
  box-shadow: var(--box-shadow-main);
}

/* ===============================
   12. COOKIE CONSENT BANNER & MODAL
   =============================== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100vw;
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 -2px 18px rgba(0,0,0,0.18);
  z-index: 1101;
  padding: 26px 18px 26px 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  transition: transform var(--transition-fast), opacity 0.3s;
  opacity: 1;
}
.cookie-banner.hide {
  opacity: 0;
  pointer-events: none;
  transform: translateY(40px);
}
.cookie-banner-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.cookie-banner button,
.cookie-banner .btn-cookie {
  padding: 9px 26px;
  border-radius: var(--radius-s);
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  border: none;
  color: var(--color-white);
  font-weight: 600;
  background: var(--color-accent);
  cursor: pointer;
  font-size: 1em;
  transition: background var(--transition-fast), color var(--transition-fast);
  margin-right: 6px;
}
.cookie-banner .btn-accept { background: var(--color-neon); color: #18341b; }
.cookie-banner .btn-accept:hover { background: var(--color-neon-blue); color: #151; }
.cookie-banner .btn-reject { background: #274d3a; color: var(--color-neon); }
.cookie-banner .btn-reject:hover { background: #40664c; color: var(--color-neon-blue); }
.cookie-banner .btn-settings { background: #18594e; color: var(--color-neon); }
.cookie-banner .btn-settings:hover { background: #248373; color: #fff; }

/* Cookie modal */
.cookie-modal {
  position: fixed;
  z-index: 1700;
  left: 50%; top: 50%;
  transform: translate(-50%, -52%) scale(1);
  background: var(--color-light);
  color: #16382a;
  box-shadow: 0 8px 36px -8px var(--color-accent);
  border-radius: var(--radius-l);
  width: 96vw;
  max-width: 420px;
  padding: 36px 24px 30px 24px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  border: 2px solid var(--color-neon);
  opacity: 1;
  transition: opacity 0.24s, transform 0.35s;
}
.cookie-modal.hide {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -40%) scale(0.96);
}
.cookie-modal .modal-title {
  color: var(--color-accent);
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-size: 1.27em;
}
.cookie-switches {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 14px;
}
.cookie-switch {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1.04em;
}
.cookie-switch label {
  color: #153929;
  font-weight: 500;
  margin: 0;
  min-width: 130px;
}
.cookie-toggle {
  width: 44px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  background: #d2efe5;
  border-radius: 13px;
  position: relative;
  transition: background 0.26s;
  cursor: pointer;
}
.cookie-toggle input {
  display: none;
}
.cookie-toggle .toggle-slider {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  border-radius: 50%;
  transition: left 0.19s, background 0.23s;
}
.cookie-toggle input:checked + .toggle-slider {
  left: 24px;
  background: var(--color-neon);
}
.cookie-modal .btn-cookie-save {
  background: var(--color-neon-blue);
  color: #0f201b;
  padding: 12px 28px;
  border-radius: var(--radius-s);
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  margin-top: 14px;
  cursor: pointer;
  border: none;
  font-weight: 700;
  transition: background 0.2s;
}
.cookie-modal .btn-cookie-save:hover {
  background: var(--color-neon);
}
.cookie-modal .close-cookie-modal {
  position: absolute;
  top: 12px; right: 18px;
  background: none;
  border: none;
  font-size: 1.7em;
  color: var(--color-accent);
  cursor: pointer;
  transition: color 0.15s;
}
.cookie-modal .close-cookie-modal:hover { color: var(--color-primary); }

/* ===============================
   13. RESPONSIVE DESIGN (Mobile-First)
   =============================== */
@media (max-width: 768px) {
  .container {
    padding-left: 10px; padding-right: 10px;
  }
  .content-wrapper {
    gap: 20px;
  }
  .section {
    padding: 26px 6px;
  }
  .feature-grid, .content-grid, .benefit-cards, .technology-grid, .service-overview-list, .post-list, .case-studies {
    flex-direction: column;
    gap: 18px;
  }
  .card, .feature-item, .benefit-card, .technology-item, .service-item, .case-study, .post-preview {
    padding: 17px 10px 16px 10px;
  }
  .text-image-section, .testimonial-card, .content-grid, .benefit-cards {
    flex-direction: column;
    align-items: stretch;
  }
  .hero {
    min-height: 190px; padding-top: 18px; padding-bottom: 18px;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: 2vw; padding-right: 2vw;
  }
  h1 { font-size: 1.28rem; }
  h2 { font-size: 1.05rem; }
  .footer-nav, .footer-social { gap: 12px; }
}

/* Ensure no overlap and large enough touch targets on mobile */
.main-nav a, .btn-primary, .cookie-banner button, .cookie-modal .btn-cookie-save {
  min-height: 44px;
}

/* ===============================
   14. ANIMATIONS & MICROINTERACTIONS
   =============================== */
.card, .feature-item, .benefit-card, .technology-item, .service-item, .post-preview, .case-study {
  will-change: transform, box-shadow;
}
.btn-primary, .cookie-banner button, .cookie-modal .btn-cookie-save {
  will-change: background, color, transform;
}
.mobile-menu, .cookie-modal {
  will-change: transform, opacity;
}

/* ===============================
   15. OVERRIDES & MISC FIXES
   =============================== */
::-webkit-input-placeholder { color: #8ab991; opacity: 1; }
::-moz-placeholder { color: #8ab991; opacity: 1; }
:-ms-input-placeholder { color: #8ab991; opacity: 1; }
::placeholder { color: #8ab991; opacity: 1; }

body { scroll-behavior: smooth; }

/* ===============================
   16. PRINT FRIENDLY (Optional)
   =============================== */
@media print {
  header, footer, .mobile-menu, .cookie-banner, .cookie-modal { display: none !important; }
  body { background: #fff; color: #222; }
  a { color: #234; text-decoration: underline !important; }
}