:where(body) {
/* ============================================================
   AlpenEnergie — Brand Stylesheet
   Ihr Solarspezialist in Basel, Aargau & Zürich
   ============================================================ */

/* ── Google Fonts ───────────────────────────────────────────── */

/* ── CSS Custom Properties ──────────────────────────────────── */
:root {
  /* Brand Colors */
  --color-primary:        #D42B1E;   /* AlpenEnergie red */
  --color-primary-hover:  #B82218;
  --color-primary-light:  rgba(212, 43, 30, 0.12);

  /* Neutral Scale */
  --color-bg:             #0C0D0F;   /* near-black background */
  --color-bg-secondary:   #141618;
  --color-bg-card:        #1A1C1F;
  --color-surface:        #222528;
  --color-border:         rgba(255, 255, 255, 0.08);

  /* Text */
  --color-text:           #FFFFFF;
  --color-text-muted:     rgba(255, 255, 255, 0.60);
  --color-text-faint:     rgba(255, 255, 255, 0.35);

  /* Logo red cross accent */
  --color-cross:          #D42B1E;

  /* Typography */
  --font-display:         'Barlow Condensed', sans-serif;
  --font-body:            'Barlow', sans-serif;

  /* Type Scale */
  --text-xs:    0.75rem;    /*  12px */
  --text-sm:    0.875rem;   /*  14px */
  --text-base:  1rem;       /*  16px */
  --text-md:    1.125rem;   /*  18px */
  --text-lg:    1.375rem;   /*  22px */
  --text-xl:    1.75rem;    /*  28px */
  --text-2xl:   2.25rem;    /*  36px */
  --text-3xl:   3rem;       /*  48px */
  --text-4xl:   3.75rem;    /*  60px */
  --text-hero:  clamp(2.8rem, 6vw, 5rem);

  /* Spacing */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-5:   1.25rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;

  /* Layout */
  --container-max:  1280px;
  --container-pad:  clamp(1.25rem, 4vw, 2.5rem);

  /* Radii */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   14px;
  --radius-xl:   24px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md:  0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg:  0 12px 40px rgba(0, 0, 0, 0.6);
  --shadow-red: 0 4px 24px rgba(212, 43, 30, 0.35);

  /* Transitions */
  --ease-out:  cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in:   cubic-bezier(0.64, 0, 0.78, 0);
  --duration:  220ms;

  /* Nav */
  --nav-height: 72px;
}


/* ── Reset & Base ────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg, video {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
  border: none;
  outline: none;
  background: none;
}

button { cursor: pointer; }


/* ── Container ───────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}


/* ── Typography ──────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl);  }
h5 { font-size: var(--text-lg);  }
h6 { font-size: var(--text-md);  }

p {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text-muted);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  background-color: var(--color-primary);
  clip-path: polygon(50% 0%, 55% 40%, 100% 40%, 100% 60%, 55% 60%, 55% 100%, 45% 100%, 45% 60%, 0% 60%, 0% 40%, 45% 40%, 45% 0%);
}


/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.625rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: background-color var(--duration) var(--ease-out),
              transform var(--duration) var(--ease-out),
              box-shadow var(--duration) var(--ease-out);
  user-select: none;
}

.btn:active { transform: scale(0.97); }

/* Primary — Red */
.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-red);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  box-shadow: 0 6px 32px rgba(212, 43, 30, 0.50);
  transform: translateY(-1px);
}

/* Secondary — Ghost dark */
.btn-secondary {
  background-color: rgba(255, 255, 255, 0.10);
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

/* Large size modifier */
.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--text-base);
  border-radius: var(--radius-pill);
}

/* Small size modifier */
.btn-sm {
  padding: 0.5rem 1.125rem;
  font-size: var(--text-xs);
}


/* ── Navigation ──────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background-color var(--duration) var(--ease-out),
              border-color var(--duration) var(--ease-out),
              backdrop-filter var(--duration) var(--ease-out);
}

.nav.scrolled {
  background-color: rgba(12, 13, 15, 0.85);
  border-color: var(--color-border);
  backdrop-filter: blur(16px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.nav__logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 1.1rem;
}

/* Links */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: color var(--duration) var(--ease-out),
              background-color var(--duration) var(--ease-out);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-text);
  background-color: rgba(255, 255, 255, 0.06);
}

/* Dropdown chevron */
.nav__link--dropdown::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--duration) var(--ease-out);
}

.nav__link--dropdown:hover::after {
  transform: rotate(-135deg) translateY(2px);
}

/* CTA in nav */
.nav__cta {
  margin-left: var(--space-4);
}

/* Mobile toggle */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: var(--space-1);
  cursor: pointer;
}

.nav__burger span {
  display: block;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--duration) var(--ease-out),
              opacity var(--duration) var(--ease-out);
}


/* ── Hero Section ────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

/* Dark overlay on hero background image */
.hero__bg {
  position: absolute;
  inset: 0;
  background-color: var(--color-bg);
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

/* Gradient fade at bottom */
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(12, 13, 15, 0.30) 0%,
    rgba(12, 13, 15, 0.20) 40%,
    rgba(12, 13, 15, 0.80) 80%,
    var(--color-bg) 100%
  );
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  padding-block: var(--space-20);
}

.hero__content {
  max-width: 620px;
}

.hero__eyebrow {
  margin-bottom: var(--space-5);
}

.hero__title {
  font-size: var(--text-hero);
  font-weight: 900;
  line-height: 1.0;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.hero__title em {
  font-style: normal;
  color: var(--color-primary);
}

.hero__body {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-8);
  max-width: 480px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Hero image / visual column */
.hero__visual {
  display: flex;
  justify-content: flex-end;
}

.hero__visual img {
  width: 100%;
  max-width: 560px;
  object-fit: contain;
  filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.6));
}


/* ── Partner / Trust Bar ─────────────────────────────────────── */
.trust-bar {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-5);
}

.trust-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.trust-bar__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-right: var(--space-4);
}

.trust-bar__logo {
  height: 28px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.45;
  transition: opacity var(--duration) var(--ease-out);
}

.trust-bar__logo:hover {
  opacity: 0.80;
}


/* ── Section Base ────────────────────────────────────────────── */
.section {
  padding-block: var(--space-20);
}

.section--light {
  background-color: var(--color-bg-secondary);
}

.section__header {
  max-width: 640px;
  margin-bottom: var(--space-12);
}

.section__header--centered {
  margin-inline: auto;
  text-align: center;
}

.section__title {
  margin-top: var(--space-3);
  margin-bottom: var(--space-4);
}

.section__lead {
  font-size: var(--text-md);
  color: var(--color-text-muted);
}


/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--duration) var(--ease-out),
              transform var(--duration) var(--ease-out),
              box-shadow var(--duration) var(--ease-out);
}

.card:hover {
  border-color: rgba(212, 43, 30, 0.30);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  color: var(--color-primary);
  font-size: 1.5rem;
}

.card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.card__body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}


/* ── Stats / Numbers ─────────────────────────────────────────── */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-6);
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}


/* ── Badge ───────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-primary-light);
  border: 1px solid rgba(212, 43, 30, 0.25);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}


/* ── Form Elements ───────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--duration) var(--ease-out),
              box-shadow var(--duration) var(--ease-out);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-faint);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
  outline: none;
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-select {
  appearance: none;
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}


/* ── Divider ─────────────────────────────────────────────────── */
.divider {
  width: 100%;
  height: 1px;
  background-color: var(--color-border);
  margin-block: var(--space-8);
}

.divider--red {
  height: 3px;
  width: 48px;
  background-color: var(--color-primary);
  border-radius: 2px;
  margin-block: var(--space-4);
}


/* ── Footer ──────────────────────────────────────────────────── */
.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer__brand p {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 300px;
}

.footer__heading {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--duration) var(--ease-out);
}

.footer__link:hover {
  color: var(--color-text);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}


/* ── Utility Classes ─────────────────────────────────────────── */
.text-center { text-align: center; }
.text-left   { text-align: left;   }
.text-right  { text-align: right;  }

.text-primary { color: var(--color-primary); }
.text-muted   { color: var(--color-text-muted); }
.text-faint   { color: var(--color-text-faint); }

.font-display { font-family: var(--font-display); }
.font-body    { font-family: var(--font-body);    }
.font-bold    { font-weight: 700; }
.uppercase    { text-transform: uppercase; }

.mt-4  { margin-top: var(--space-4);  }
.mt-6  { margin-top: var(--space-6);  }
.mt-8  { margin-top: var(--space-8);  }
.mb-4  { margin-bottom: var(--space-4);  }
.mb-6  { margin-bottom: var(--space-6);  }
.mb-8  { margin-bottom: var(--space-8);  }

.flex          { display: flex; }
.flex-wrap     { flex-wrap: wrap; }
.items-center  { align-items: center; }
.gap-3         { gap: var(--space-3); }
.gap-4         { gap: var(--space-4); }
.gap-6         { gap: var(--space-6); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}


/* ── Animations ──────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0);    }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes pulse-red {
  0%, 100% { box-shadow: 0 0 0 0 rgba(212, 43, 30, 0.4); }
  50%       { box-shadow: 0 0 0 10px rgba(212, 43, 30, 0); }
}

.animate-fade-up {
  animation: fadeUp 0.6s var(--ease-out) both;
}

.animate-fade-up--delay-1 { animation-delay: 0.1s; }
.animate-fade-up--delay-2 { animation-delay: 0.2s; }
.animate-fade-up--delay-3 { animation-delay: 0.3s; }

.animate-pulse-red {
  animation: pulse-red 2.5s ease-in-out infinite;
}


/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content { max-width: 100%; }
  .hero__body    { max-width: 100%; }

  .hero__actions {
    justify-content: center;
  }

  .hero__visual {
    display: none; /* hide team photo on tablet */
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__burger {
    display: flex;
  }

  h1 { font-size: clamp(2.2rem, 8vw, 3.5rem); }
  h2 { font-size: var(--text-2xl); }

  .stats {
    grid-template-columns: 1fr 1fr;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .trust-bar__inner {
    gap: var(--space-5);
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .btn-lg {
    padding: 0.875rem 1.5rem;
  }
}

}