/* ============================================================
   IGWT GmbH – Dark Theme
   ============================================================ */

:root {
  --red:        #DE4745;
  --red-dark:   #C23534;
  --bg:         #111111;
  --bg-alt:     #161616;
  --bg-card:    #1C1C1C;
  --bg-card-h:  #212121;
  --white:      #FFFFFF;
  --text:       rgba(255,255,255,0.85);
  --text-muted: rgba(255,255,255,0.42);
  --text-dim:   rgba(255,255,255,0.2);
  --border:     rgba(255,255,255,0.08);
  --border-red: rgba(222,71,69,0.35);
  --ease:       cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition: 0.32s var(--ease);
  --nav-h:      70px;
  --radius:     4px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 17px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }

.container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 48px;
}

.section       { padding: 96px 0; background: var(--bg); }
.section--alt  { background: var(--bg-alt); }

.section__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 16px;
}

.section__title {
  font-size: clamp(2rem, 3.5vw, 2.875rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 16px;
}

.section__subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.75;
}


/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  border-bottom-color: var(--border);
}
.nav.scrolled::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(17,17,17,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: -1;
}

.nav__inner {
  display: flex;
  align-items: center;
  width: 100%;
}

.nav__logo { flex-shrink: 0; line-height: 0; }
.nav__logo img { height: 38px; width: auto; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1.5px;
  background: var(--red);
  transition: width var(--transition);
}
.nav__link:hover       { color: var(--white); }
.nav__link:hover::after { width: 100%; }

.nav__link--cta {
  background: var(--red);
  color: var(--white) !important;
  padding: 8px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  transition: background var(--transition), transform var(--transition) !important;
}
.nav__link--cta::after { display: none; }
.nav__link--cta:hover {
  background: var(--red-dark) !important;
  transform: translateY(-1px);
}

.nav__lang {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-left: 24px;
  padding-left: 20px;
  border-left: 1px solid var(--border);
}
.nav__lang-btn {
  background: none; border: none; cursor: pointer;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em;
  color: var(--text-dim); transition: color var(--transition); font-family: inherit; padding: 2px;
}
.nav__lang-btn.active, .nav__lang-btn:hover { color: var(--white); }
.nav__lang-sep { font-size: 0.625rem; color: var(--border); }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: none; cursor: pointer;
  margin-left: auto; padding: 4px;
}
.nav__hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-muted); transition: var(--transition); transform-origin: center;
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute; inset: 0;
  background: url('../img/hero-welding.jpg') center / cover no-repeat;
  will-change: transform;
}

.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    110deg,
    rgba(8,8,8,0.90) 0%,
    rgba(8,8,8,0.72) 55%,
    rgba(8,8,8,0.45) 100%
  );
}

.hero__content {
  position: relative; z-index: 1;
  max-width: 720px;
  padding-top: var(--nav-h);
}

.hero__label {
  display: block;
  font-size: 0.6875rem; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--red); margin-bottom: 24px;
  opacity: 0; transform: translateY(16px);
  animation: fadeUp 0.6s var(--ease) 0.2s forwards;
}

.hero__title {
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: 28px;
  opacity: 0; transform: translateY(16px);
  animation: fadeUp 0.6s var(--ease) 0.38s forwards;
}
.hero__title em { font-style: normal; color: var(--red); }

.hero__text {
  font-size: 1rem;
  color: rgba(255,255,255,0.52);
  max-width: 480px;
  line-height: 1.75;
  margin-bottom: 44px;
  opacity: 0; transform: translateY(16px);
  animation: fadeUp 0.6s var(--ease) 0.56s forwards;
}

.hero__actions {
  display: flex; gap: 14px; flex-wrap: wrap;
  opacity: 0; transform: translateY(16px);
  animation: fadeUp 0.6s var(--ease) 0.72s forwards;
}

.hero__scroll {
  position: absolute; bottom: 40px; left: 50%;
  transform: translateX(-50%); z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  opacity: 0; animation: fadeIn 1s ease 1.5s forwards;
}
.hero__scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { to { opacity: 0.35; } }
@keyframes scrollPulse {
  0%, 100% { opacity: 0.35; transform: scaleY(1); }
  50%       { opacity: 0.12; transform: scaleY(0.55); }
}


/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px;
  font-size: 0.875rem; font-weight: 600; letter-spacing: 0.01em;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer; transition: all var(--transition);
  white-space: nowrap; font-family: inherit;
}
.btn--primary {
  background: var(--red); color: var(--white); border-color: var(--red);
}
.btn--primary:hover {
  background: var(--red-dark); border-color: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(222,71,69,0.32);
}
.btn--ghost {
  background: transparent; color: var(--white);
  border-color: rgba(255,255,255,0.2);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}
.btn--full { width: 100%; justify-content: center; }


/* ============================================================
   ABOUT  (text left | photo + vm cards right)
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: start;
}

.about__left { padding-top: 8px; }
.about__body p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 18px;
}
.about__body p:last-child { margin-bottom: 0; }

/* Photo / Slider */
.about__img {
  position: relative;
  margin-bottom: 16px;
}

.about__slider {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 6px;
  overflow: hidden;
  cursor: grab;
  user-select: none;
  box-shadow:
    0 30px 60px rgba(0,0,0,0.55),
    0 0 0 1px rgba(255,255,255,0.06);
}

/* Vignette overlay */
.about__slider::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom,  rgba(0,0,0,0.18) 0%, transparent 30%, transparent 55%, rgba(0,0,0,0.65) 100%),
    linear-gradient(to right,   rgba(0,0,0,0.25) 0%, transparent 25%),
    linear-gradient(to left,    rgba(0,0,0,0.25) 0%, transparent 25%);
  z-index: 1;
  pointer-events: none;
  border-radius: 6px;
}

/* Red accent bar on left edge */
.about__slider::before {
  content: '';
  position: absolute;
  left: 0; top: 15%; bottom: 15%;
  width: 3px;
  background: var(--red);
  z-index: 2;
  border-radius: 0 2px 2px 0;
  opacity: 0.85;
}

.about__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}
.about__slide.active { opacity: 1; }

.about__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.82) saturate(0.88);
  transform: scale(1.03);
  transition: transform 5s ease;
}
.about__slide.active img { transform: scale(1); }

.about__slider-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 3;
}
.about__slider-dots .dot {
  width: 8px; height: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.4);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), width var(--transition);
  flex-shrink: 0;
  backdrop-filter: blur(4px);
}
.about__slider-dots .dot:hover { background: rgba(255,255,255,0.7); }
.about__slider-dots .dot.active {
  width: 28px;
  background: var(--red);
}

/* Vision + Mission – full-width 2-col below about grid */
.about__vm {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 48px;
}

.vm__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px 48px;
  transition: border-color var(--transition), background var(--transition);
}
.vm__card:hover {
  background: var(--bg-card-h);
  border-color: var(--border-red);
}

.vm__card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--red);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.vm__card-text {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.72;
}


/* ============================================================
   WHY IGWT
   ============================================================ */
.why__header {
  text-align: center;
  margin-bottom: 56px;
}

.why__big-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.035em;
  line-height: 1.1;
  margin-bottom: 14px;
}

.why__subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.72;
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.why__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.why__card:hover {
  background: var(--bg-card-h);
  border-color: var(--border-red);
  transform: translateY(-4px);
}
.why__card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.why__card:hover::before { transform: scaleX(1); }

.why__card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.why__icon {
  width: 46px; height: 46px;
  background: rgba(222,71,69,0.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--red); font-size: 1.0625rem;
  transition: background var(--transition), transform var(--transition);
}
.why__card:hover .why__icon {
  background: var(--red); color: var(--white);
  transform: scale(1.06);
}

.why__num {
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(255,255,255,0.045);
  letter-spacing: -0.04em;
  line-height: 1;
  user-select: none;
}

.why__card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: -0.015em;
}

.why__card-text {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.68;
}


/* ============================================================
   VALUES
   ============================================================ */
.values__header {
  margin-bottom: 52px;
}

.values__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.value__card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.value__card:nth-child(odd)  { border-right: 1px solid var(--border); }
.value__card:nth-last-child(-n+2) { border-bottom: none; }
.value__card:hover { background: rgba(222,71,69,0.04); }

.value__icon {
  width: 42px; height: 42px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--red); font-size: 1.25rem;
  margin-top: 2px;
}

.value__body { flex: 1; }

.value__title {
  font-size: 1rem; font-weight: 700;
  color: var(--white); margin-bottom: 5px;
  letter-spacing: -0.01em;
}

.value__text {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
}


/* ============================================================
   REFERENCES
   ============================================================ */
.ref__header { margin-bottom: 40px; }

.ref__placeholder {
  text-align: center;
  padding: 80px 32px;
  border: 1px dashed rgba(255,255,255,0.1);
  border-radius: var(--radius);
}

.ref__icon {
  width: 68px; height: 68px;
  background: rgba(222,71,69,0.08);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 22px;
  color: var(--red); font-size: 1.625rem;
}

.ref__title {
  font-size: 1.125rem; font-weight: 700;
  color: var(--white); margin-bottom: 10px;
}

.ref__text {
  font-size: 0.9375rem;
  color: var(--text-muted);
  max-width: 400px; margin: 0 auto; line-height: 1.72;
}


/* ============================================================
   CONTACT
   ============================================================ */
.contact__header {
  text-align: center;
  margin-bottom: 52px;
}
.contact__header .section__subtitle { margin: 0 auto; }

.contact__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  overflow: hidden;
}

.contact__info {
  padding: 48px 44px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.contact__person {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.contact__person-name {
  font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 5px;
}
.contact__person-role {
  font-size: 0.75rem; color: var(--text-dim);
  letter-spacing: 0.09em; text-transform: uppercase;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 36px;
}

.contact__item {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
  transition: color var(--transition);
}
a.contact__item:hover { color: var(--red); }

.contact__item-icon {
  width: 36px; height: 36px; flex-shrink: 0;
  background: rgba(222,71,69,0.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--red); font-size: 0.8125rem;
}

.contact__item-value {
  font-size: 1rem; font-weight: 500;
}

.contact__legal {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.72rem;
  color: var(--text-dim);
  line-height: 1.9;
}

/* Form */
.contact__form-wrap { padding: 48px 44px; }

.form__group { margin-bottom: 16px; }

.form__label {
  display: block;
  font-size: 0.78125rem; font-weight: 500;
  color: var(--text-muted); margin-bottom: 7px;
  letter-spacing: 0.02em;
}

.form__input, .form__textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 0.9rem; color: var(--white);
  font-family: inherit;
  transition: border-color var(--transition), background var(--transition);
  outline: none;
}
.form__input::placeholder, .form__textarea::placeholder { color: var(--text-dim); }
.form__input:focus, .form__textarea:focus {
  border-color: var(--red);
  background: rgba(255,255,255,0.065);
}
.form__input--error {
  border-color: #e05555 !important;
  background: rgba(224,85,85,0.08) !important;
}
.form__textarea { min-height: 130px; resize: vertical; }

.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form__honey { display: none; }

.form__msg {
  display: none; margin-top: 14px; padding: 12px 15px;
  border-radius: var(--radius); font-size: 0.875rem; line-height: 1.5;
}
.form__msg--success {
  background: rgba(40,167,69,0.1); border: 1px solid rgba(40,167,69,0.2); color: #7ddc9d;
}
.form__msg--error {
  background: rgba(222,71,69,0.1); border: 1px solid rgba(222,71,69,0.2); color: #f08080;
}


/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #0A0A0A;
  border-top: 1px solid var(--border);
  padding: 40px 0 30px;
}

.footer__inner {
  display: flex; align-items: center;
  justify-content: space-between; gap: 20px; flex-wrap: wrap;
}

.footer__logo img {
  height: 28px; width: auto;
  opacity: 0.7;
  transition: opacity var(--transition);
}
.footer__logo img:hover { opacity: 1; }

.footer__copy {
  font-size: 0.8125rem; color: var(--text-dim);
  line-height: 1.7; text-align: center;
}

.footer__legal {
  font-size: 0.72rem; color: var(--text-dim);
  line-height: 1.85; text-align: right;
}


/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity  0.6s var(--ease) var(--delay, 0s),
    transform 0.6s var(--ease) var(--delay, 0s);
}
.reveal.visible { opacity: 1; transform: translateY(0); }


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .values__grid { grid-template-columns: 1fr 1fr; }
  .why__grid    { grid-template-columns: repeat(2, 1fr); }
  .about__grid  { gap: 52px; }
}

@media (max-width: 768px) {
  .section { padding: 52px 0; }
  .container { padding: 0 20px; max-width: 100%; }

  /* Mobile nav */
  .nav__links {
    display: none;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0; bottom: 0;
    background: rgba(10,10,10,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column; align-items: center; justify-content: center;
    gap: 32px; padding: 40px; z-index: 999;
    border-top: 1px solid var(--border);
  }
  .nav__links.open { display: flex; }
  .nav__links.open .nav__link { font-size: 1.2rem; color: var(--text); }
  .nav__links.open .nav__link::after { display: none; }
  .nav__links.open .nav__link--cta {
    padding: 12px 32px; font-size: 1rem;
  }
  .nav__hamburger { display: flex; }
  .nav__lang {
    position: absolute; right: 64px;
    margin-left: 0; padding-left: 0; border-left: none;
  }

  .about__grid  { grid-template-columns: 1fr; gap: 36px; }
  .about__vm    { grid-template-columns: 1fr; margin-top: 32px; }

  .why__grid    { grid-template-columns: 1fr; gap: 12px; }

  .values__grid { grid-template-columns: 1fr; }
  .value__card:nth-child(odd) { border-right: none; }
  .value__card:nth-last-child(-n+2) { border-bottom: 1px solid var(--border); }
  .value__card:last-child { border-bottom: none; }

  .contact__card { grid-template-columns: 1fr; }
  .contact__info { border-right: none; border-bottom: 1px solid var(--border); padding: 36px 28px; }
  .contact__form-wrap { padding: 36px 28px; }

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

  .footer__inner { flex-direction: column; align-items: flex-start; gap: 14px; }
  .footer__copy  { text-align: left; }
  .footer__legal { text-align: left; }
}

@media (max-width: 520px) {
  .hero__actions { flex-direction: column; }
  .btn          { justify-content: center; width: 100%; }
}


/* ============================================================
   THEME TOGGLE BUTTON
   ============================================================ */
.nav__theme-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 6px 8px;
  margin-left: 10px;
  align-items: center;
  transition: color var(--transition), transform var(--transition);
  font-family: inherit;
  line-height: 1;
}
.nav__theme-btn:hover {
  color: var(--red);
  transform: rotate(20deg) scale(1.1);
}

@media (max-width: 768px) {
  .nav__theme-btn {
    position: absolute;
    right: 112px;
    top: 50%;
    transform: translateY(-50%);
  }
  .nav__lang {
    top: 50%;
    transform: translateY(-50%);
  }

  .vm__card { padding: 28px 24px; }
  .why__card { padding: 16px; }
  .why__card-top { margin-bottom: 12px; }
  .why__num { font-size: 1.5rem; }
  .why__card-text { font-size: 0.8rem; }
  .value__card { padding: 10px; }
  .value__text { font-size: 0.8rem; }
}


/* ============================================================
   SMOOTH THEME TRANSITION
   ============================================================ */
.theme-transition,
.theme-transition *,
.theme-transition *::before,
.theme-transition *::after {
  transition:
    background-color 0.32s ease,
    border-color     0.32s ease,
    color            0.32s ease !important;
}


/* ============================================================
   LIGHT THEME
   ============================================================ */
[data-theme="light"] {
  --bg:         #F6F6F6;
  --bg-alt:     #ECECEC;
  --bg-card:    #FFFFFF;
  --bg-card-h:  #F4F4F4;
  --text:       rgba(15,15,15,0.82);
  --text-muted: rgba(15,15,15,0.55);
  --text-dim:   rgba(15,15,15,0.65);
  --border:     rgba(0,0,0,0.1);
  --border-red: rgba(222,71,69,0.28);
}

/* Nav */
[data-theme="light"] .nav.scrolled {
  border-bottom-color: rgba(0,0,0,0.1);
}
[data-theme="light"] .nav.scrolled::before {
  background: rgba(246,246,246,0.95);
}
/* scrolled – dark text on light background */
[data-theme="light"] .nav.scrolled .nav__link           { color: rgba(15,15,15,0.6); }
[data-theme="light"] .nav.scrolled .nav__link:hover     { color: #111; }
[data-theme="light"] .nav.scrolled .nav__lang-btn       { color: rgba(15,15,15,0.35); }
[data-theme="light"] .nav.scrolled .nav__lang-btn.active,
[data-theme="light"] .nav.scrolled .nav__lang-btn:hover { color: #111; }
[data-theme="light"] .nav.scrolled .nav__lang-sep       { color: rgba(0,0,0,0.2); }
[data-theme="light"] .nav.scrolled .nav__lang           { border-left-color: rgba(0,0,0,0.12); }
[data-theme="light"] .nav.scrolled .nav__hamburger span { background: rgba(15,15,15,0.55); }
/* not scrolled – transparent over dark hero, keep white */
[data-theme="light"] .nav:not(.scrolled) .nav__link             { color: rgba(255,255,255,0.65); }
[data-theme="light"] .nav:not(.scrolled) .nav__link:hover       { color: #fff; }
[data-theme="light"] .nav:not(.scrolled) .nav__lang-btn         { color: rgba(255,255,255,0.4); }
[data-theme="light"] .nav:not(.scrolled) .nav__lang-btn.active,
[data-theme="light"] .nav:not(.scrolled) .nav__lang-btn:hover   { color: #fff; }
[data-theme="light"] .nav:not(.scrolled) .nav__lang-sep         { color: rgba(255,255,255,0.2); }
[data-theme="light"] .nav:not(.scrolled) .nav__lang             { border-left-color: rgba(255,255,255,0.15); }
[data-theme="light"] .nav:not(.scrolled) .nav__hamburger span   { background: rgba(255,255,255,0.7); }

/* Mobile nav overlay */
@media (max-width: 768px) {
  [data-theme="light"] .nav__links {
    background: rgba(246,246,246,0.99);
    border-top-color: rgba(0,0,0,0.1);
  }
  [data-theme="light"] .nav__links.open .nav__link { color: var(--text); }
}

/* Section headings (override var(--white) from dark theme) */
[data-theme="light"] .section__title,
[data-theme="light"] .why__big-title,
[data-theme="light"] .why__card-title,
[data-theme="light"] .vm__card-title,
[data-theme="light"] .value__title, [data-theme="light"] .value__body .value__title,
[data-theme="light"] .ref__title,
[data-theme="light"] .contact__person-name  { color: #111; }

/* Large ghost number on why cards */
[data-theme="light"] .why__num { color: rgba(0,0,0,0.055); }

/* References placeholder border */
[data-theme="light"] .ref__placeholder { border-color: rgba(0,0,0,0.12); }

/* Ghost button */
[data-theme="light"] .btn--ghost {
  color: #222;
  border-color: rgba(0,0,0,0.22);
}
[data-theme="light"] .btn--ghost:hover {
  background: rgba(0,0,0,0.06);
  border-color: rgba(0,0,0,0.38);
}

/* Ghost button in hero – overlay is always dark, keep white */
[data-theme="light"] .hero .btn--ghost {
  color: var(--white);
  border-color: rgba(255,255,255,0.25);
}
[data-theme="light"] .hero .btn--ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.45);
}

/* Contact person role */
[data-theme="light"] .contact__person-role { color: rgba(15,15,15,0.65); }

/* Form */
[data-theme="light"] .form__label { color: rgba(15,15,15,0.6); }
[data-theme="light"] .form__input,
[data-theme="light"] .form__textarea {
  background: rgba(0,0,0,0.03);
  border-color: rgba(0,0,0,0.13);
  color: #111;
}
[data-theme="light"] .form__input::placeholder,
[data-theme="light"] .form__textarea::placeholder { color: rgba(0,0,0,0.28); }
[data-theme="light"] .form__input:focus,
[data-theme="light"] .form__textarea:focus {
  background: rgba(0,0,0,0.05);
}

/* Footer */
[data-theme="light"] .footer {
  background: #E4E4E4;
  border-top-color: rgba(0,0,0,0.1);
}
[data-theme="light"] .footer__logo img { opacity: 0.75; }