/* ==========================================================================
   Energeni — design tokens (v2, warmer / lichter, geinspireerd op Zonneplan)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --e-black: #0a0a0a;
  --e-black-soft: #141412;
  --e-lime: #9cca06;
  --e-lime-dark: #6f9105;
  --e-lime-tint: #eef8d6;
  --e-white: #ffffff;
  --e-cream: #fbfbf8;
  --e-gray-50: #f3f3ef;
  --e-gray-100: #e8e8e2;
  --e-gray-300: #c7c7bf;
  --e-gray-500: #86867d;
  --e-gray-700: #4b4b45;
  --e-gray-900: #201f1b;

  --font-display: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --max-width: 1180px;
  --transition: 180ms ease;
  --shadow-soft: 0 1px 2px rgba(20,20,18,0.04), 0 10px 30px rgba(20,20,18,0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--e-gray-900);
  background: var(--e-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }
@media (max-width: 640px) { .wrap { padding: 0 20px; } }
@media (max-width: 640px) { .logo-link img { height: 34px; } }

/* Typography ---------------------------------------------------------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--e-gray-900);
}

.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 {
  color: var(--e-white);
}

.eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(13px, 1.7vw, 16px);
  letter-spacing: 0.02em;
  color: var(--e-lime-dark);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: clamp(14px, 2.5vw, 20px);
}
.eyebrow::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--e-lime);
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.section-dark .eyebrow { color: var(--e-lime); }

h1 { font-size: clamp(32px, 5vw, 54px); }
h2 { font-size: clamp(25px, 3.3vw, 36px); }
h3 { font-size: clamp(18px, 2vw, 22px); font-weight: 600; }

p { font-size: 16px; }

.lede {
  font-size: clamp(17px, 1.8vw, 19px);
  line-height: 1.55;
  max-width: 580px;
  color: var(--e-gray-700);
}
.section-dark .lede, .section-dark p:not(.small) { color: var(--e-gray-300); }

.small { font-size: 13px; color: var(--e-gray-500); }

/* Sections -------------------------------------------------------------- */

section { padding: 80px 0; }
@media (max-width: 640px) { section { padding: 52px 0; } }

.section-dark { background: var(--e-black); color: var(--e-white); }
.section-light { background: var(--e-white); }
.section-tint { background: var(--e-cream); }

/* Buttons ----------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-primary { background: var(--e-lime); color: #0a0a0a; font-weight: 700; box-shadow: 0 6px 20px rgba(156,202,6,0.28); }
.btn-primary:hover { background: var(--e-lime-dark); color: var(--e-white); }

.btn-outline-dark { border-color: var(--e-lime); color: var(--e-white); background: transparent; }
.btn-outline-dark:hover { border-width: 2.5px; color: var(--e-lime); background: rgba(156,202,6,0.08); }

.btn-outline-light { border-color: var(--e-lime); color: var(--e-gray-900); background: transparent; }
.btn-outline-light:hover { border-width: 2.5px; color: var(--e-gray-900); background: var(--e-lime-tint); }

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

.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }

/* Trust badge ------------------------------------------------------------- */

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--e-lime-tint);
  color: var(--e-gray-900);
  padding: 8px 16px 8px 8px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 22px;
}
.trust-badge .dot {
  width: 26px; height: 26px;
  background: var(--e-lime);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

/* Header / Nav -------------------------------------------------------- */

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--e-black);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 92px; position: relative; }
.logo-link img { height: 52px; width: auto; max-width: 100%; }

.main-nav { display: flex; align-items: center; gap: 20px; }
.main-nav a { color: var(--e-gray-300); font-size: 14px; font-weight: 500; transition: color var(--transition); }
.main-nav a:hover { color: var(--e-white); }

.main-nav a.nav-cta { background: var(--e-lime); color: #0a0a0a; padding: 11px 18px; border-radius: var(--radius-pill); font-weight: 700; font-size: 14px; }
.main-nav a.nav-cta:hover { background: var(--e-white); color: #0a0a0a; }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  background: none;
  border: 1.5px solid rgba(255,255,255,0.18);
  border-radius: 50%;
  color: var(--e-lime);
  cursor: pointer;
  padding: 0;
  transition: border-color var(--transition), background var(--transition);
}
.nav-toggle:hover { border-width: 2.5px; border-color: var(--e-lime); background: rgba(156,202,6,0.08); }
.nav-toggle svg { width: 20px; height: 20px; display: block; }

@media (max-width: 1180px) {
  .nav-toggle { display: flex; }

  .main-nav {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    left: auto;
    width: max-content;
    min-width: 240px;
    max-width: calc(100vw - 40px);
    background: var(--e-black-soft);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    gap: 4px;
    z-index: 10;
    transform: translateY(-6px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
  }
  .main-nav a { padding: 10px 12px; border-radius: var(--radius-sm); }
  .main-nav a:hover { background: rgba(255,255,255,0.06); }
  .main-nav a.nav-cta { margin-top: 8px; text-align: center; }
  .main-nav.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
}

/* Footer ---------------------------------------------------------------- */

.site-footer { background: var(--e-black); color: var(--e-gray-500); padding: 56px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-col h4 { font-family: var(--font-body); font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--e-white); margin-bottom: 14px; }
.footer-col a, .footer-col p { display: block; font-size: 14px; color: var(--e-gray-500); margin-bottom: 10px; transition: color var(--transition); }
.footer-col a:hover { color: var(--e-lime); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 22px; font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* Hero -------------------------------------------------------------------- */

.hero-banner, .photo-banner-section {
  position: relative;
  padding: 90px 0 80px;
  background: var(--e-cream);
  overflow: hidden;
  isolation: isolate;
}
.hero-banner .hero-bg, .photo-banner-section .hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  z-index: 0;
}
.hero-banner .hero-bg-fade, .photo-banner-section .hero-bg-fade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, var(--e-cream) 0%, rgba(251,251,248,0.94) 18%, rgba(251,251,248,0.55) 38%, rgba(251,251,248,0.08) 58%, transparent 78%),
    linear-gradient(0deg, var(--e-cream) 0%, transparent 22%, transparent 80%, rgba(251,251,248,0.5) 100%);
}
.hero-banner .wrap, .photo-banner-section .wrap { position: relative; z-index: 2; }
.hero-banner .hero-content, .photo-banner-section .hero-content { max-width: 560px; }

@media (max-width: 860px) {
  .hero-banner, .photo-banner-section { padding: 64px 0 48px; }
  .hero-banner .hero-bg-fade, .photo-banner-section .hero-bg-fade {
    background:
      linear-gradient(180deg, rgba(251,251,248,0.55) 0%, rgba(251,251,248,0.9) 55%, var(--e-cream) 78%);
  }
  .hero-banner .hero-content, .photo-banner-section .hero-content { max-width: 100%; }
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } .hero { padding: 56px 0 48px; } }

.hero-panel {
  aspect-ratio: 4/4.3;
  border-radius: var(--radius-lg);
  background: var(--e-black);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 28px;
}
.hero-panel img, .photo-panel img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-panel::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(10,10,10,0.75), rgba(10,10,10,0) 55%), radial-gradient(circle at 80% 10%, rgba(156,202,6,0.25), transparent 50%);
}
.hero-panel .panel-tag { position: relative; z-index: 1; }
.hero-panel .panel-tag {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(6px);
  color: var(--e-white);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-panel .panel-tag .dot { width: 8px; height: 8px; background: var(--e-lime); border-radius: 50%; }

.hero-stats { display: flex; gap: 30px; margin-top: 36px; flex-wrap: wrap; }
.hero-stat .num { font-family: var(--font-display); font-size: 24px; font-weight: 700; color: var(--e-gray-900); }
.hero-stat .label { font-size: 13px; color: var(--e-gray-500); }

/* Photo panel used across pages (replaces boxed icon look) ---------------- */

.photo-panel {
  aspect-ratio: 1/1;
  border-radius: var(--radius-lg);
  background: var(--e-gray-50);
  position: relative;
  overflow: hidden;
}
.photo-panel.light { background: var(--e-gray-50); }

/* Cards --------------------------------------------------------------- */

.product-photo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; }
@media (max-width: 860px) { .product-photo-grid { grid-template-columns: 1fr; } }

.product-photo-card {
  position: relative;
  aspect-ratio: 3/4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: block;
  box-shadow: var(--shadow-soft);
}
.product-photo-card img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}
.product-photo-card:hover img { transform: scale(1.04); }

.product-photo-card .card-fade {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, transparent 0%, rgba(10,10,10,0.1) 24%, rgba(10,10,10,0.55) 42%, rgba(10,10,10,0.75) 58%, rgba(10,10,10,0.3) 76%, transparent 92%);
}

.product-photo-card .card-text {
  position: absolute; top: 40%; left: 0; right: 0;
  padding: 0 24px;
  color: var(--e-white);
}
.product-photo-card .card-text h3 { color: var(--e-white); font-size: 22px; margin-bottom: 6px; }
.product-photo-card .card-text h3 .accent { color: var(--e-lime); }
.product-photo-card .card-text p { font-size: 14px; color: rgba(255,255,255,0.88); line-height: 1.5; margin-bottom: 16px; }
.product-photo-card .card-photo-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: #0a0a0a;
  background: var(--e-lime);
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  transition: background var(--transition);
}
.product-photo-card .card-photo-link:hover { background: var(--e-white); }

.product-card {
  background: var(--e-white);
  border: 1px solid var(--e-gray-100);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-soft);
}
.product-card:hover { transform: translateY(-3px); border-color: var(--e-lime); }

.product-card .tag { font-size: 12px; font-weight: 700; letter-spacing: 0.03em; text-transform: uppercase; color: var(--e-lime-dark); margin-bottom: 12px; }
.product-card h3 { margin-bottom: 6px; }
.product-card .specs { font-size: 14px; color: var(--e-gray-500); margin-bottom: 14px; }
.product-card p { font-size: 14px; color: var(--e-gray-700); margin-bottom: 18px; flex-grow: 1; }
.product-card .card-link { font-size: 14px; font-weight: 600; color: var(--e-gray-900); display: inline-flex; align-items: center; gap: 6px; }
.product-card .card-link:hover { color: var(--e-lime-dark); }

.usp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 44px; }
@media (max-width: 720px) { .usp-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .usp-grid { grid-template-columns: 1fr; } }

.usp { display: flex; gap: 14px; align-items: flex-start; }
.usp .icon-chip {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--e-lime-tint);
  display: flex; align-items: center; justify-content: center;
  color: var(--e-lime-dark);
}
.usp .icon-chip svg { width: 20px; height: 20px; }
.section-dark .usp .icon-chip { background: rgba(156,202,6,0.14); color: var(--e-lime); }
.usp h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.usp p { font-size: 14px; color: var(--e-gray-500); }
.section-dark .usp p { color: var(--e-gray-300); }

/* Steps --------------------------------------------------------------- */

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 44px; counter-reset: step; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .steps { grid-template-columns: 1fr; } }
.step { counter-increment: step; }
.step::before {
  content: counter(step);
  font-family: var(--font-display); font-size: 15px; font-weight: 700;
  color: var(--e-gray-900); background: var(--e-lime);
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.step h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--e-gray-500); }

/* Table ----------------------------------------------------------------- */

.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; margin-top: 36px; font-size: 15px; }
.compare-table th, .compare-table td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--e-gray-100); }
.compare-table thead th { font-family: var(--font-display); font-size: 16px; }
.compare-table tbody th { font-weight: 500; color: var(--e-gray-500); font-size: 14px; }
.compare-table td { color: var(--e-gray-900); }
.compare-table .highlight-col { background: var(--e-lime-tint); }
.compare-table thead th.highlight-col { border-radius: 12px 12px 0 0; }
@media (max-width: 720px) { .table-scroll { overflow-x: auto; } .compare-table { min-width: 640px; } }

/* FAQ --------------------------------------------------------------------- */

.faq-item { border-bottom: 1px solid var(--e-gray-100); padding: 26px 0; }
.section-dark .faq-item { border-bottom-color: rgba(255,255,255,0.1); }
.faq-item summary {
  cursor: pointer; font-weight: 500; font-size: 17px; color: var(--e-gray-900);
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px;
}
.section-dark .faq-item summary { color: var(--e-white); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '\2304';
  font-size: 22px; color: var(--e-gray-900); font-weight: 400; flex-shrink: 0;
  transition: transform var(--transition);
}
.section-dark .faq-item summary::after { color: var(--e-white); }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item .faq-body { margin-top: 14px; font-size: 15px; color: var(--e-gray-500); max-width: 640px; }
.section-dark .faq-item .faq-body { color: var(--e-gray-300); }

/* Forms --------------------------------------------------------------- */

.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 13px 16px; font-family: var(--font-body); font-size: 15px;
  border: 1.5px solid var(--e-gray-100); border-radius: var(--radius-sm);
  background: var(--e-white); color: var(--e-gray-900); transition: border-color var(--transition);
}
.section-dark .form-field input, .section-dark .form-field select, .section-dark .form-field textarea {
  background: var(--e-black-soft); border-color: rgba(255,255,255,0.15); color: var(--e-white);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--e-lime); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.form-card { background: var(--e-white); border: 1px solid var(--e-gray-100); border-radius: var(--radius-lg); padding: 38px; max-width: 640px; box-shadow: var(--shadow-soft); }
@media (max-width: 560px) { .form-card { padding: 24px; } }
.form-success { display: none; text-align: center; padding: 40px 20px; }
.form-success h3 { margin-bottom: 10px; }

.quiz-step { display: none; }
.quiz-step.active { display: block; animation: fadeUp 260ms ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* Quiz ---------------------------------------------------------------- */

.quiz-shell { max-width: 620px; margin: 0 auto; }
.quiz-progress { height: 4px; background: rgba(255,255,255,0.12); border-radius: 2px; overflow: hidden; margin-bottom: 38px; }
.quiz-progress-bar { height: 100%; background: var(--e-lime); width: 16.6%; transition: width 220ms ease; }
.quiz-step h2 { margin-bottom: 26px; }
.quiz-options { display: grid; gap: 12px; }
.quiz-option {
  display: block; padding: 17px 20px; border: 1.5px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm); color: var(--e-white); cursor: pointer;
  font-size: 15px; font-weight: 500; transition: border-color var(--transition), background var(--transition);
  background: var(--e-black-soft);
}
.quiz-option:hover { border-color: var(--e-lime); }
.quiz-option.selected { border-color: var(--e-lime); background: rgba(156,202,6,0.1); color: var(--e-lime); }
.quiz-nav { display: flex; justify-content: space-between; margin-top: 34px; }
.quiz-back { background: none; border: none; color: var(--e-gray-500); font-size: 14px; cursor: pointer; font-weight: 500; }
.quiz-back:hover { color: var(--e-white); }
.quiz-back:disabled { visibility: hidden; }
.quiz-result { display: none; }
.result-card { background: var(--e-black-soft); border: 1px solid var(--e-lime); border-radius: var(--radius-lg); padding: 38px; text-align: center; }
.result-card .tag { color: var(--e-lime); font-weight: 700; font-size: 13px; letter-spacing: 0.03em; text-transform: uppercase; }
.result-card h2 { margin: 12px 0 8px; color: var(--e-white); }
.result-card .specs { color: var(--e-gray-300); margin-bottom: 24px; }

/* Misc ------------------------------------------------------------------ */

.divider { height: 1px; background: var(--e-gray-100); }
.section-dark .divider { background: rgba(255,255,255,0.1); }
.center { text-align: center; }
.max-560 { max-width: 560px; }
.mx-auto { margin-left: auto; margin-right: auto; }

.badge { display: inline-block; background: var(--e-lime-tint); color: var(--e-lime-dark); font-size: 12px; font-weight: 700; padding: 6px 14px; border-radius: var(--radius-pill); }
.section-dark .badge { background: rgba(156,202,6,0.14); color: var(--e-lime); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; gap: 32px; } }

.list-check { list-style: none; margin-top: 18px; }
.list-check li { padding-left: 28px; position: relative; margin-bottom: 13px; font-size: 15px; }
.list-check li::before { content: '\2713'; position: absolute; left: 0; top: 0; color: var(--e-lime-dark); font-weight: 700; }
.section-dark .list-check li::before { color: var(--e-lime); }