/* Europe Smart Energy — modern visual layer */

:root {
  --ese-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ese-radius: 14px;
  --ese-shadow: 0 18px 50px rgba(11, 31, 58, 0.08);
}

body {
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(30, 122, 229, 0.08), transparent 60%),
    radial-gradient(900px 400px at 100% 0%, rgba(15, 95, 196, 0.05), transparent 55%),
    var(--background-color);
}

h1, h2, h3, h4, h5, h6 {
  letter-spacing: -0.02em;
}

/* ---------- Header ---------- */
.header {
  --background-color: rgba(11, 31, 58, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 14px 0;
}

.index-page .header {
  --background-color: transparent;
  border-bottom-color: transparent;
}

.index-page.scrolled .header,
.scrolled .header {
  --background-color: rgba(11, 31, 58, 0.92);
  box-shadow: 0 10px 30px rgba(11, 31, 58, 0.18);
}

.header .logo {
  gap: 10px;
}

.header .logo img {
  max-height: 48px;
  width: auto;
  border-radius: 0;
  filter: none;
  transition: transform 0.45s var(--ese-ease);
}

.header .logo:hover img {
  transform: translateY(-1px) scale(1.02);
}

.header .logo .brand-text {
  display: none;
}

.navmenu ul {
  gap: 4px;
}

.navmenu a {
  font-size: 0.92rem;
  font-weight: 500;
  padding: 8px 12px !important;
  border-radius: 8px;
  transition: color 0.3s var(--ese-ease), background 0.3s var(--ese-ease);
}

.navmenu a:hover,
.navmenu a.active {
  background: rgba(30, 122, 229, 0.16);
}

/* ---------- Buttons ---------- */
.btn-ese,
.btn.btn-outline-primary,
.btn.btn-primary {
  font-family: var(--heading-font);
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: 10px;
  padding: 0.75rem 1.4rem;
  transition: transform 0.35s var(--ese-ease), box-shadow 0.35s var(--ese-ease), background 0.35s ease, color 0.35s ease, border-color 0.35s ease;
}

.btn.btn-primary,
.btn-ese-primary {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-strong));
  border: none;
  color: #fff;
  box-shadow: 0 10px 24px rgba(30, 122, 229, 0.28);
}

.btn.btn-primary:hover,
.btn-ese-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(30, 122, 229, 0.35);
  color: #fff;
  background: linear-gradient(135deg, #2b88f0, var(--accent-strong));
}

.btn.btn-outline-primary,
.btn-ese-outline {
  color: var(--accent-color);
  border: 1.5px solid color-mix(in srgb, var(--accent-color), white 20%);
  background: transparent;
}

.btn.btn-outline-primary:hover,
.btn-ese-outline:hover {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #fff;
  transform: translateY(-2px);
}

.hero .hero-cta .btn-ese-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
}

.hero .hero-cta .btn-ese-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  padding: 140px 0 100px;
  overflow: hidden;
}

.hero img {
  transform: scale(1.04);
  animation: eseHeroZoom 18s var(--ese-ease) infinite alternate;
}

.hero:before {
  background:
    linear-gradient(180deg, rgba(11, 31, 58, 0.72) 0%, rgba(11, 31, 58, 0.55) 45%, rgba(11, 31, 58, 0.78) 100%);
}

.hero:after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  z-index: 2;
  background: linear-gradient(180deg, transparent, var(--background-color));
  pointer-events: none;
}

.hero .brand-mark {
  display: inline-block;
  font-family: var(--heading-font);
  font-size: clamp(1.8rem, 4vw, 3.1rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  margin-bottom: 1rem;
}

.hero .brand-mark span {
  color: #7ec2ff;
}

.hero h2 {
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  font-weight: 500;
  line-height: 1.35;
  max-width: 18em;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.96);
}

.hero .hero-lead {
  margin: 1rem auto 0;
  max-width: 34rem;
  font-size: 1.05rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.78);
}

.hero .hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
  margin-top: 2rem;
}

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 4;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.4rem;
  animation: eseFloat 2.4s ease-in-out infinite;
}

@keyframes eseHeroZoom {
  from { transform: scale(1.04); }
  to { transform: scale(1.1); }
}

@keyframes eseFloat {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.55; }
  50% { transform: translate(-50%, -8px); opacity: 1; }
}

/* ---------- Sections ---------- */
section.section {
  padding: 88px 0;
}

.section-title p {
  font-family: var(--heading-font);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-title h2::after {
  height: 2px;
  width: 72px;
  background: linear-gradient(90deg, var(--accent-color), transparent);
}

/* Soft atmospheric bands */
#about,
#services,
#portfolio {
  position: relative;
}

#features,
#cta,
#stats {
  background:
    linear-gradient(180deg, rgba(232, 241, 252, 0.65), rgba(245, 248, 252, 0.2));
}

/* Service / feature polish */
.services .service-item,
.features .features-item,
.hero .icon-box {
  border-radius: var(--ese-radius);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(30, 122, 229, 0.08);
  box-shadow: var(--ese-shadow);
  transition: transform 0.45s var(--ese-ease), box-shadow 0.45s var(--ese-ease), border-color 0.35s ease;
}

.services .service-item {
  padding: 1.75rem;
  height: 100%;
}

.services .service-item:hover,
.features .features-item:hover {
  transform: translateY(-6px);
  border-color: rgba(30, 122, 229, 0.25);
  box-shadow: 0 22px 48px rgba(11, 31, 58, 0.12);
}

.services .service-item .icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.services .service-item .icon i {
  font-size: 1.45rem;
  color: var(--accent-color);
}

.about img,
.features-image img,
.cta img,
.stats img {
  border-radius: 18px;
  box-shadow: var(--ese-shadow);
}

.portfolio .portfolio-item {
  position: relative;
  overflow: hidden;
  height: 100%;
  min-height: 260px;
  background: #0b1f3a;
  border-radius: 16px;
  box-shadow: var(--ese-shadow);
}

.portfolio .portfolio-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
  transition: transform 0.7s var(--ese-ease);
}

.portfolio .portfolio-item:hover img {
  transform: scale(1.06);
}

.portfolio-filters li {
  border-radius: 999px;
  padding: 0.45rem 1rem;
  transition: background 0.3s ease, color 0.3s ease;
}

.portfolio-filters li.filter-active,
.portfolio-filters li:hover {
  background: var(--accent-color);
  color: #fff;
}

/* Page title */
.page-title .heading {
  padding: 110px 0 48px;
  background:
    linear-gradient(135deg, rgba(11, 31, 58, 0.58) 0%, rgba(15, 95, 196, 0.42) 55%, rgba(30, 122, 229, 0.38) 100%),
    url("../img/hero-bg.jpg") center/cover no-repeat;
  border-top: 0;
  color: #fff;
}

.page-title .heading h1,
.page-title .heading p {
  color: #fff;
  text-shadow: 0 2px 18px rgba(11, 31, 58, 0.45);
}

.page-title .heading p {
  opacity: 0.92;
  margin-top: 0.75rem;
}

.page-title nav {
  background: #fff;
  border-bottom: 1px solid rgba(11, 31, 58, 0.06);
}

.inner-page .header {
  --background-color: rgba(11, 31, 58, 0.96);
}

/* Contact info */
.contact .info-item {
  background: #fff;
  border-radius: var(--ese-radius);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--ese-shadow);
  margin-bottom: 1rem;
  border: 1px solid rgba(30, 122, 229, 0.08);
  align-items: flex-start;
}

.contact .info-item i {
  flex-shrink: 0;
  color: #fff !important;
  background: var(--accent-color) !important;
  font-size: 20px !important;
  width: 44px;
  height: 44px;
  display: inline-flex !important;
  justify-content: center;
  align-items: center;
  border-radius: 10px;
  margin-right: 15px;
  line-height: 1;
}

.ese-note {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent-color);
  border-radius: 0 12px 12px 0;
  padding: 1.15rem 1.25rem;
  color: var(--heading-color);
}

.about .btn-ese-outline {
  color: var(--accent-color);
  border-color: var(--accent-color);
}

.about .btn-ese-outline:hover {
  background: var(--accent-color);
  color: #fff;
}

/* Footer */
.footer.dark-background {
  background: linear-gradient(180deg, #0b1f3a, #071527);
}

.footer .copyright {
  opacity: 0.88;
}

/* Scroll top / preloader */
.scroll-top {
  background: var(--accent-color);
  border-radius: 12px;
}

#preloader {
  background: #0b1f3a;
}

#preloader:before {
  border-color: rgba(255, 255, 255, 0.15);
  border-top-color: #7ec2ff;
}

/* Calm entrance helpers beyond AOS */
.ese-rise {
  animation: eseRise 0.9s var(--ese-ease) both;
}

@keyframes eseRise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero img,
  .hero-scroll,
  .ese-rise {
    animation: none !important;
  }

  .services .service-item:hover,
  .features .features-item:hover,
  .btn.btn-primary:hover,
  .btn.btn-outline-primary:hover {
    transform: none;
  }
}

/* ---------- Legal pages (Privacy / Legal Notice) ---------- */
.legal-intro {
  padding-top: 40px;
  padding-bottom: 20px;
}

.legal-intro-media {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--ese-shadow);
  position: relative;
}

.legal-intro-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 31, 58, 0.18), transparent 55%);
  pointer-events: none;
}

.legal-intro-media img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

.legal-badge {
  display: inline-block;
  font-family: var(--heading-font);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-color);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  margin-bottom: 0.85rem;
}

.legal-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--heading-color);
  max-width: 38rem;
}

.legal-meta-card {
  background: #fff;
  border: 1px solid rgba(30, 122, 229, 0.1);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  height: 100%;
  box-shadow: 0 10px 28px rgba(11, 31, 58, 0.05);
}

.legal-meta-card i {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent-color);
  margin-bottom: 0.65rem;
}

.legal-meta-card .label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--default-color), transparent 30%);
  margin-bottom: 0.2rem;
}

.legal-meta-card strong {
  display: block;
  font-size: 0.92rem;
  color: var(--heading-color);
  font-weight: 600;
  word-break: break-word;
}

.legal-meta-card a {
  color: inherit;
}

.legal-page {
  padding-top: 30px;
}

.legal-toc {
  position: sticky;
  top: 100px;
  background: #fff;
  border: 1px solid rgba(30, 122, 229, 0.1);
  border-radius: 16px;
  padding: 1.15rem 1.2rem;
  box-shadow: var(--ese-shadow);
}

.legal-toc-title {
  font-family: var(--heading-font);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--heading-color);
  margin-bottom: 0.75rem;
}

.legal-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.35rem;
}

.legal-toc a {
  display: block;
  font-size: 0.86rem;
  color: var(--default-color);
  padding: 0.35rem 0.5rem;
  border-radius: 8px;
  border-left: 3px solid transparent;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.legal-toc a:hover {
  background: var(--accent-soft);
  color: var(--accent-color);
}

.legal-toc a.active {
  background: var(--accent-soft);
  color: var(--accent-color);
  border-left-color: var(--accent-color);
  font-weight: 600;
}

.legal-panel {
  background: #fff;
  border: 1px solid rgba(30, 122, 229, 0.1);
  border-radius: 18px;
  padding: 2rem 2.1rem;
  box-shadow: var(--ese-shadow);
}

.legal-block {
  padding-bottom: 1.75rem;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid rgba(11, 31, 58, 0.08);
  scroll-margin-top: 110px;
}

.legal-block-last {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.legal-block-head {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}

.legal-num {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--heading-font);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-color);
  background: var(--accent-soft);
}

.legal-block-head h2 {
  font-size: 1.2rem;
  margin: 0.35rem 0 0;
  line-height: 1.35;
}

.legal-kv {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  margin: 1rem 0 1.25rem;
}

.legal-kv > div {
  background: #f7fafc;
  border-radius: 12px;
  padding: 0.85rem 1rem;
}

.legal-kv span {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: color-mix(in srgb, var(--default-color), transparent 35%);
  margin-bottom: 0.25rem;
}

.legal-kv strong {
  font-size: 0.95rem;
  color: var(--heading-color);
}

.legal-chips {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.legal-chips li {
  background: var(--accent-soft);
  color: var(--heading-color);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font-size: 0.88rem;
  margin: 0;
}

.legal-soft {
  color: color-mix(in srgb, var(--default-color), transparent 10%);
  font-style: italic;
}

.legal-highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.legal-highlight {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  background: #f7fafc;
  border-radius: 14px;
  padding: 1rem 1.1rem;
}

.legal-highlight i {
  color: var(--accent-color);
  font-size: 1.25rem;
  margin-top: 0.15rem;
}

.legal-highlight span {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: color-mix(in srgb, var(--default-color), transparent 35%);
}

.legal-highlight strong {
  color: var(--heading-color);
  font-size: 0.95rem;
}

.legal-contact-box {
  background: linear-gradient(135deg, rgba(232, 241, 252, 0.95), rgba(255, 255, 255, 0.9));
  border: 1px solid rgba(30, 122, 229, 0.12);
  border-radius: 14px;
  padding: 1.25rem 1.35rem;
}

@media (max-width: 991px) {
  .legal-toc {
    position: static;
  }

  .legal-kv,
  .legal-highlight-grid {
    grid-template-columns: 1fr;
  }

  .legal-intro-media img {
    height: 220px;
  }

  .legal-panel {
    padding: 1.4rem 1.25rem;
  }
}