*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #29ABE2;
  --blue-dark: #1a8bbf;
  --gray-dark: #404041;
  --gray-mid: #58595B;
  --gray-light: #f4f6f8;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--gray-dark);
  background: var(--white);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.1s;
}
.btn--primary {
  background: var(--blue);
  color: var(--white);
}
.btn--primary:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn--full { width: 100%; text-align: center; font-size: 1.05rem; padding: 16px; }

/* HEADER */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid #e8eaed;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.header__logo { height: 56px; width: auto; }
.header__nav { display: flex; gap: 32px; }
.header__nav a {
  text-decoration: none;
  color: var(--gray-mid);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.header__nav a:hover { color: var(--blue); }
.header__lang { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--gray-mid); }
.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--gray-mid);
  padding: 4px 6px;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
}
.lang-btn.active, .lang-btn:hover { color: var(--blue); background: rgba(41,171,226,0.08); }

/* HERO */
.hero {
  background: linear-gradient(135deg, #f0f9ff 0%, #e8f4fd 100%);
  padding: 48px 0;
  border-bottom: 3px solid var(--blue);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 24px 60px;
  align-items: center;
}
.hero__text {
  grid-column: 1;
  grid-row: 1;
}
.hero__logo-wrap {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  justify-content: center;
}
.hero__cta {
  grid-column: 1;
  grid-row: 2;
}
.hero__icons {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 20px;
}
.hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--gray-dark);
  line-height: 1.15;
  margin-bottom: 16px;
}
.hero__title span { color: var(--blue); }
.hero__sub {
  font-size: 1.15rem;
  color: var(--gray-mid);
  max-width: 520px;
}
.hero__logo {
  width: 280px;
  height: auto;
}
.hero__icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-mid);
  text-align: center;
}
.icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  border: 2px solid rgba(41,171,226,0.2);
}

/* SECTION TITLES */
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--gray-dark);
  text-align: center;
  margin-bottom: 48px;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  background: var(--blue);
  border-radius: 2px;
  margin: 12px auto 0;
}
.section-title--light { color: var(--white); }
.section-title--light::after { background: var(--white); }

/* SERVEIS */
.serveis { padding: 90px 0; background: var(--white); }
.serveis__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.servei-card {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: transform 0.2s, box-shadow 0.2s;
  border-top: 3px solid transparent;
}
.servei-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-top-color: var(--blue);
}
.servei-card__icon { font-size: 2.2rem; margin-bottom: 16px; }
.servei-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--gray-dark); }
.servei-card p { font-size: 0.9rem; color: var(--gray-mid); line-height: 1.6; }

/* NOSALTRES */
.nosaltres { padding: 90px 0; background: var(--gray-light); }
.nosaltres__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
}
.nosaltres__item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}
.nosaltres__num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--blue);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 12px;
}
.nosaltres__item h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.nosaltres__item p { font-size: 0.9rem; color: var(--gray-mid); }

/* CONTACTE */
.contacte {
  padding: 90px 0;
  background: linear-gradient(135deg, #29ABE2 0%, #1a8bbf 100%);
}
.contacte__sub {
  text-align: center;
  color: rgba(255,255,255,0.85);
  font-size: 1.05rem;
  margin-top: -28px;
  margin-bottom: 48px;
}
.contacte__form {
  max-width: 680px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius);
  padding: 48px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.form-row .form-group { margin-bottom: 0; }
.form-group label { font-size: 0.875rem; font-weight: 600; color: var(--gray-dark); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid #dde1e7;
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--gray-dark);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(41,171,226,0.15);
}
.form-group textarea { resize: vertical; }
.form-group--check {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 24px;
}
.form-group--check input { width: auto; margin-top: 2px; accent-color: var(--blue); }
.form-group--check label { font-size: 0.85rem; font-weight: 400; color: var(--gray-mid); }
.form-group--check a { color: var(--blue); }
.form-success {
  display: none;
  margin-top: 16px;
  padding: 14px;
  background: #e8f9f0;
  border: 1px solid #34c774;
  border-radius: 8px;
  color: #1d7a45;
  font-size: 0.9rem;
  text-align: center;
}
.form-success.visible { display: block; }

/* FOOTER */
.footer {
  background: var(--gray-dark);
  padding: 48px 0;
  color: rgba(255,255,255,0.7);
}
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.footer__logo { height: 52px; width: auto; filter: brightness(0) invert(1); opacity: 0.85; }
.footer__info { font-size: 0.9rem; display: flex; gap: 24px; }
.footer__info a { color: var(--blue); text-decoration: none; }
.footer__info a:hover { text-decoration: underline; }
.footer__copy { font-size: 0.8rem; opacity: 0.5; }

/* SUBMIT BUTTON DISABLED */
.btn--primary:disabled {
  background: #a8d8ef;
  cursor: not-allowed;
  transform: none;
}

/* MODAL */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.visible { display: flex; }
.modal {
  background: var(--white);
  border-radius: var(--radius);
  max-width: 580px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.modal__close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--gray-mid);
  line-height: 1;
}
.modal__close:hover { color: var(--gray-dark); }
.modal h2 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 20px;
  padding-right: 32px;
  color: var(--gray-dark);
}
.modal__body h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 16px 0 4px;
  color: var(--gray-dark);
}
.modal__body p {
  font-size: 0.875rem;
  color: var(--gray-mid);
  line-height: 1.6;
}
.modal__body a { color: var(--blue); }
.modal .btn { margin-top: 24px; width: 100%; text-align: center; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero__inner {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto;
    gap: 24px;
  }
  .hero__text      { grid-column: 1; grid-row: 1; }
  .hero__logo-wrap { grid-column: 1; grid-row: 2; }
  .hero__icons     { grid-column: 1; grid-row: 3; justify-content: center; }
  .hero__cta       { grid-column: 1; grid-row: 4; }
  .hero__cta .btn  { width: 100%; text-align: center; }
  .serveis__grid { grid-template-columns: 1fr; }
  .nosaltres__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contacte__form { padding: 32px 24px; }
  .header__nav { display: none; }
  .footer__info { flex-direction: column; gap: 8px; }
}

@media (max-width: 480px) {
  .hero__icons { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 60px 0; }
  .serveis, .nosaltres, .contacte { padding: 60px 0; }
}