/* ═══════════════════════════════════════════════════════════
   BVDK Energie Advies – style.css
   Aesthetic: Refined editorial / clean luxury-solar
   Palette: Deep navy · Warm gold · Crisp white
═══════════════════════════════════════════════════════════ */

/* ── Variables ─────────────────────────────────────────── */
:root {
  --navy:       #0c1b33;
  --navy-mid:   #152848;
  --gold:       #e8a820;
  --gold-light: #f5c84a;
  --white:      #ffffff;
  --off-white:  #f8f5ef;
  --text:       #1e2a3a;
  --text-light: #5a6b82;
  --border:     #dde3ec;

  --font-display: 'Raleway', sans-serif;
  --font-body:    'Crimson Pro', Georgia, serif;

  --radius:  12px;
  --shadow:  0 8px 40px rgba(12,27,51,.12);
  --shadow-lg: 0 20px 60px rgba(12,27,51,.22);

  --hero-img: url('https://images.unsplash.com/photo-1570126618953-d437176e8c79?w=1800&q=80&fit=crop');
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--off-white);
  overflow-x: hidden;
}

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

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

/* ── Layout ─────────────────────────────────────────────── */
.container {
  width: min(1200px, 92vw);
  margin-inline: auto;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .85rem 2.2rem;
  border-radius: 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .92rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: var(--gold);
  color: var(--navy);
  box-shadow: 0 4px 20px rgba(232,168,32,.4);
}
.btn--primary:hover {
  background: var(--gold-light);
  box-shadow: 0 8px 30px rgba(232,168,32,.55);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.65);
}
.btn--outline:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--white);
}

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

/* ── Section labels ─────────────────────────────────────── */
.section-label {
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: .75rem;
}
.section-label--light { color: var(--gold-light); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--navy);
  margin-bottom: 1.25rem;
}
.section-title--light { color: var(--white); }

.section-intro {
  font-size: 1.15rem;
  color: var(--text-light);
  max-width: 55ch;
  margin-bottom: 3.5rem;
}

/* ════════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--hero-img) center / cover no-repeat;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(12,27,51,.82) 0%,
    rgba(12,27,51,.55) 60%,
    rgba(12,27,51,.25) 100%
  );
  z-index: 0;
}

/* NAV */
.nav {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.8rem clamp(1.5rem, 5vw, 4rem);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: var(--white);
}

.nav__sun {
  font-size: 1.8rem;
  color: var(--gold);
  filter: drop-shadow(0 0 8px rgba(232,168,32,.6));
  animation: pulse-sun 3s ease-in-out infinite;
}

@keyframes pulse-sun {
  0%, 100% { filter: drop-shadow(0 0 8px rgba(232,168,32,.6)); }
  50%       { filter: drop-shadow(0 0 18px rgba(232,168,32,.9)); }
}

.nav__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: .03em;
  color: var(--white);
}
.nav__name em {
  font-style: normal;
  color: var(--gold-light);
}

.nav__links {
  list-style: none;
  display: flex;
  gap: 2.5rem;
}
.nav__links a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .88rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.8);
  transition: color .2s;
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s;
}
.nav__links a:hover { color: var(--white); }
.nav__links a:hover::after { transform: scaleX(1); }

/* HERO CONTENT */
.hero__content {
  position: relative;
  z-index: 5;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem clamp(1.5rem, 5vw, 4rem) 5rem;
  max-width: 720px;
  animation: hero-in .9s cubic-bezier(.22,1,.36,1) both;
}

@keyframes hero-in {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__eyebrow {
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.2rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 8vw, 6.5rem);
  font-weight: 900;
  line-height: .97;
  color: var(--white);
  margin-bottom: 1.6rem;
  text-shadow: 0 4px 30px rgba(0,0,0,.35);
}
.hero__title em {
  font-style: italic;
  color: var(--gold-light);
  font-weight: 300;
}

.hero__sub {
  font-size: 1.2rem;
  color: rgba(255,255,255,.85);
  max-width: 50ch;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

/* SCROLL INDICATOR */
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
}
.hero__scroll span {
  display: block;
  width: 22px; height: 36px;
  border: 2px solid rgba(255,255,255,.5);
  border-radius: 12px;
  position: relative;
}
.hero__scroll span::after {
  content: '';
  position: absolute;
  top: 5px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 8px;
  border-radius: 2px;
  background: var(--gold);
  animation: scroll-dot 2s ease-in-out infinite;
}
@keyframes scroll-dot {
  0%   { top: 5px; opacity: 1; }
  80%  { top: 18px; opacity: 0; }
  100% { top: 5px; opacity: 0; }
}

/* ════════════════════════════════════════════════════════
   DIENSTEN
════════════════════════════════════════════════════════ */
.diensten {
  padding: 7rem 0;
  background: var(--off-white);
}

.diensten__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

.dienst-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform .3s, box-shadow .3s;
  position: relative;
  overflow: hidden;
}
.dienst-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s;
}
.dienst-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.dienst-card:hover::before { transform: scaleX(1); }

.dienst-card__icon {
  width: 56px; height: 56px;
  color: var(--navy);
  margin-bottom: 1.5rem;
}
.dienst-card__icon svg { width: 100%; height: 100%; }

.dienst-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--navy);
  margin-bottom: .7rem;
}

.dienst-card p {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* ════════════════════════════════════════════════════════
   MERKEN
════════════════════════════════════════════════════════ */
.merken {
  padding: 7rem 0;
  background: var(--navy);
}

.merken .section-title {
  color: var(--white);
}

.merken .section-intro {
  color: rgba(255,255,255,.65);
  margin-bottom: 3.5rem;
}

.merken__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.merk-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  overflow: hidden;
  transition: background .3s, border-color .3s, transform .3s;
}
.merk-card:hover {
  background: rgba(255,255,255,.11);
  border-color: var(--gold);
  transform: translateY(-4px);
}

.merk-card__logo {
  background: var(--white);
  padding: 1.75rem 2rem;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.merk-card__logo img {
  max-height: 52px;
  width: auto;
  object-fit: contain;
}
.merk-card__fallback {
  align-items: center;
  justify-content: center;
  width: 100%;
}
.merk-card__fallback svg {
  width: 100%;
  max-width: 160px;
  height: auto;
}

.merk-card__body {
  padding: 1.5rem 1.75rem 2rem;
}

.merk-card__body h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: .25rem;
}

.merk-card__type {
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: .85rem;
}

.merk-card__body p {
  font-size: .98rem;
  color: rgba(255,255,255,.6);
  line-height: 1.65;
}

/* ════════════════════════════════════════════════════════
   USP STRIP
════════════════════════════════════════════════════════ */
.usp-strip {
  background: var(--gold);
  padding: 2.5rem 0;
}

.usp-strip__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.usp {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
  min-width: 200px;
}

.usp__num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  color: rgba(12,27,51,.25);
  line-height: 1;
}

.usp__text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .04em;
  color: var(--navy);
  text-transform: uppercase;
}

.usp-divider {
  width: 1px;
  height: 40px;
  background: rgba(12,27,51,.2);
  flex-shrink: 0;
}

/* ════════════════════════════════════════════════════════
   CONTACT
════════════════════════════════════════════════════════ */
.contact {
  position: relative;
  padding: 8rem 0;
  overflow: hidden;
}

.contact__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--navy-mid) 0%, var(--navy) 100%);
  z-index: 0;
}
.contact__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--hero-img) center / cover no-repeat;
  opacity: .08;
  z-index: -1;
}

.contact__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contact__text p {
  color: rgba(255,255,255,.7);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

/* CARD */
.contact__card {
  background: var(--white);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.contact__card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--navy);
  margin-bottom: 1.75rem;
}

.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: .45rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: .8rem 1.1rem;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text);
  background: #fafafa;
  transition: border-color .2s, box-shadow .2s;
  resize: vertical;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(232,168,32,.15);
  background: var(--white);
}

.form-note {
  margin-top: 1rem;
  font-size: .82rem;
  color: var(--text-light);
  line-height: 1.5;
  font-family: var(--font-display);
}

/* ════════════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════════════ */
.footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 2.5rem 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  text-align: center;
}

.footer__tagline {
  font-size: .95rem;
  color: rgba(255,255,255,.45);
  font-family: var(--font-display);
}

.footer__copy {
  font-size: .85rem;
  color: rgba(255,255,255,.3);
  font-family: var(--font-display);
}
.footer__copy a {
  color: var(--gold);
  opacity: .8;
  transition: opacity .2s;
}
.footer__copy a:hover { opacity: 1; }

.footer .nav__sun { font-size: 1.5rem; }
.footer .nav__name { font-size: 1rem; }

/* ════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .contact__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .usp-divider { display: none; }

  .usp-strip__inner {
    justify-content: flex-start;
    gap: 1.2rem 2rem;
  }
}

@media (max-width: 650px) {
  .nav__links { display: none; }

  .hero__title { font-size: clamp(2.8rem, 14vw, 4rem); }

  .diensten__grid,
  .merken__grid { grid-template-columns: 1fr; }

  .btn { padding: .8rem 1.6rem; font-size: .85rem; }
}