/* ==========================================================================
   NeuroTip — Landing
   Sistema de disseny "Organic" (tokens del handoff de Claude Design)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Color — base */
  --color-bg: #f5ead8;
  --color-surface: #ebddc5;
  --color-text: #201e1d;
  --color-divider: rgba(32, 30, 29, 0.16);

  /* Color — accent (terracota) 100→900 */
  --color-accent-100: #fff2eb;
  --color-accent-200: #fadfcd;
  --color-accent-300: #f0bd9c;
  --color-accent-400: #dd9765;
  --color-accent-500: #c67139;
  --color-accent-600: #a75a2b;
  --color-accent-700: #834521;
  --color-accent-800: #5e3119;
  --color-accent-900: #402310;
  --color-accent: var(--color-accent-500);

  /* Color — accent 2 (sàlvia) 100→900 */
  --color-accent-2-100: #f0fae1;
  --color-accent-2-200: #dcebc4;
  --color-accent-2-300: #bfd39c;
  --color-accent-2-400: #9db078;
  --color-accent-2-500: #7a8a5e;
  --color-accent-2-600: #5f6c49;
  --color-accent-2-700: #475237;
  --color-accent-2-800: #333c28;
  --color-accent-2-900: #272e1b;
  --color-accent-2: var(--color-accent-2-500);

  /* Color — neutral 100→900 */
  --color-neutral-100: #f9f4ed;
  --color-neutral-200: #efe8dd;
  --color-neutral-300: #d9d0c1;
  --color-neutral-400: #b3aa9a;
  --color-neutral-500: #8c8474;
  --color-neutral-600: #6b6457;
  --color-neutral-700: #524c42;
  --color-neutral-800: #3d3931;
  --color-neutral-900: #2e2b25;

  /* Tipografia */
  --font-heading: "Caprasimo", Georgia, "Times New Roman", serif;
  --font-body: "Figtree", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;

  /* Espaiat (escala 1.10×) */
  --space-1: 4.4px;
  --space-2: 8.8px;
  --space-3: 13.2px;
  --space-4: 17.6px;
  --space-5: 22px;
  --space-6: 26.4px;
  --space-7: 30.8px;
  --space-8: 35.2px;

  /* Radis */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-panel: 48px;
  --radius-pill: 999px;

  /* Ombres (tintades amb tinta, ajustades al fons crema) */
  --shadow-sm: 0 1px 2px rgba(32, 30, 29, 0.05), 0 2px 8px rgba(32, 30, 29, 0.05);
  --shadow-md: 0 2px 4px rgba(32, 30, 29, 0.06), 0 8px 20px rgba(32, 30, 29, 0.08);
  --shadow-lg: 0 4px 10px rgba(32, 30, 29, 0.07), 0 20px 48px rgba(32, 30, 29, 0.12);

  /* Layout */
  --page-max: 1440px;
  --page-pad: 72px;
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  /* Compensa la capçalera enganxada en saltar a una àncora */
  scroll-padding-top: 120px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.12;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

a {
  color: var(--color-accent-700);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-accent-800);
}

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

/* Focus visible, ben contrastat i mai amagat */
:where(a, button, input, textarea, select, [tabindex]):focus-visible {
  outline: 3px solid var(--color-accent-700);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Sense animacions brusques per a qui les desactiva */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translate(-50%, -150%);
  z-index: 100;
  background: var(--color-accent-700);
  color: #fffaf2;
  padding: 14px 24px;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  transform: translate(-50%, 0);
  color: #fffaf2;
}

/* --------------------------------------------------------------------------
   3. Components del sistema (.btn, .tag, .card, .field/.input)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 400;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease,
    color 0.18s ease, transform 0.18s ease;
  /* Objectius tàctils còmodes */
  min-height: 48px;
}

.btn-primary {
  /* accent-600 + crema clara = 4.8:1 (AA). Vegeu nota de contrast al README. */
  background: var(--color-accent-600);
  color: #fffaf2;
}

.btn-primary:hover {
  background: var(--color-accent-700);
  color: #fffaf2;
}

.btn-secondary {
  background: transparent;
  border-color: var(--color-accent-700);
  color: var(--color-accent-800);
}

.btn-secondary:hover {
  background: var(--color-accent-100);
  color: var(--color-accent-900);
}

.btn-block {
  width: 100%;
}

.tag {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  border-radius: var(--radius-pill);
}

.tag-accent-2 {
  background: var(--color-accent-2-200);
  color: var(--color-accent-2-800);
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 16px;
  font-weight: 600;
}

.input {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-pill);
  padding: 15px 22px;
  width: 100%;
  min-height: 48px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.input::placeholder {
  color: var(--color-neutral-500);
}

.input:hover {
  border-color: var(--color-neutral-400);
}

.input[aria-invalid="true"] {
  border-color: var(--color-accent-700);
  border-width: 2px;
}

textarea.input {
  border-radius: 24px;
  padding: 16px 22px;
  resize: vertical;
  line-height: 1.6;
}

.field-error {
  display: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-accent-800);
  padding-left: 4px;
}

.field-error::before {
  content: "⚠ ";
}

.field.has-error .field-error {
  display: block;
}

/* Tractament "washed": fotografia integrada amb la paleta càlida */
.washed img {
  filter: saturate(0.88) contrast(0.96) sepia(0.12);
}

/* --------------------------------------------------------------------------
   4. Layout general
   -------------------------------------------------------------------------- */
.page {
  max-width: var(--page-max);
  margin: 0 auto;
  background: var(--color-bg);
}

.section {
  padding: 96px var(--page-pad);
}

.panel {
  background: var(--color-surface);
  border-radius: var(--radius-panel);
  margin: 0 24px;
  padding: 80px var(--page-pad);
}

.section-title {
  font-size: 46px;
  margin: 0 0 12px;
}

.section-lead {
  font-size: 18px;
  max-width: 560px;
  margin: 0 0 48px;
  color: var(--color-neutral-700);
}

/* --------------------------------------------------------------------------
   5. Banner promocional + capçalera
   -------------------------------------------------------------------------- */
.promo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  text-align: center;
  background: var(--color-accent-2-600);
  color: var(--color-bg);
  padding: 14px var(--page-pad);
  font-size: 15px;
  font-weight: 600;
}

.promo svg {
  flex-shrink: 0;
}

.promo a {
  color: var(--color-bg);
  text-decoration: underline;
  font-weight: 700;
  flex-shrink: 0;
}

.promo a:hover {
  color: #fff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-header.is-stuck {
  border-bottom-color: var(--color-divider);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  max-width: var(--page-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 18px var(--page-pad);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-text);
}

.brand img {
  height: 52px;
  width: auto;
}

.brand span {
  font-family: var(--font-heading);
  font-size: 22px;
  letter-spacing: -0.01em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav__link {
  color: var(--color-text);
  text-decoration: none;
  padding: 12px 4px;
  border-radius: var(--radius-sm);
}

.nav__link:hover {
  color: var(--color-accent-800);
  text-decoration: underline;
}

.nav__link[aria-current="true"] {
  color: var(--color-accent-800);
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

/* Selector d'idioma */
.lang {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-neutral-200);
}

.lang a {
  display: grid;
  place-items: center;
  min-width: 42px;
  min-height: 38px;
  padding: 0 10px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-neutral-700);
  text-decoration: none;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.lang a:hover {
  background: var(--color-accent-2-100);
  color: var(--color-accent-2-900);
}

.lang a[aria-current="true"] {
  background: var(--color-accent-2-600);
  color: var(--color-bg);
}

.icon-pill {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-2-200);
  color: var(--color-accent-2-800);
  flex-shrink: 0;
  text-decoration: none;
  transition: background-color 0.18s ease;
}

.icon-pill:hover {
  background: var(--color-accent-2-300);
  color: var(--color-accent-2-900);
}

.nav__cta {
  padding: 14px 24px;
  font-size: 15px;
}

/* Botó hamburguesa — només mòbil */
.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--color-accent-2-200);
  color: var(--color-accent-2-800);
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
  padding: 56px var(--page-pad) 88px;
}

.hero__text {
  max-width: 620px;
}

.hero .tag {
  padding: 8px 16px;
  font-size: 14px;
}

.hero h1 {
  font-size: 68px;
  line-height: 1.04;
  margin: 24px 0 20px;
}

.hero__tagline {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  line-height: 1.45;
  color: var(--color-accent-700);
  margin: 0 0 32px;
}

.hero__tagline svg {
  flex-shrink: 0;
}

.hero__intro {
  display: grid;
  gap: 16px;
  font-size: 18px;
  line-height: 1.7;
  max-width: 560px;
}

.hero__intro p {
  margin: 0;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero__actions .btn {
  padding: 18px 32px;
  font-size: 17px;
}

.hero__media {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 520px;
}

.hero__blob {
  position: absolute;
  border-radius: var(--radius-pill);
}

.hero__blob--sage {
  width: 470px;
  height: 470px;
  background: var(--color-accent-2-200);
}

.hero__blob--terracotta {
  right: 24px;
  bottom: 40px;
  width: 150px;
  height: 150px;
  background: var(--color-accent-200);
}

.hero__photo {
  position: relative;
  width: 430px;
  height: 430px;
  max-width: 100%;
  border-radius: var(--radius-pill);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero__photo picture {
  display: block;
  width: 100%;
  height: 100%;
}

.hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   7. Serveis
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  padding: 28px;
  display: grid;
  gap: 14px;
  align-content: start;
}

.service-card h3 {
  font-size: 24px;
  margin: 0;
}

.service-card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-neutral-700);
}

.service-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: var(--radius-pill);
}

.service-icon--sage {
  background: var(--color-accent-2-200);
  color: var(--color-accent-2-800);
}

.service-icon--terracotta {
  background: var(--color-accent-200);
  color: var(--color-accent-800);
}

/* --------------------------------------------------------------------------
   8. Què has de fer
   -------------------------------------------------------------------------- */
.steps-intro {
  font-size: 19px;
  max-width: 640px;
  margin: 0 0 52px;
  line-height: 1.65;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.step {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: 36px;
  border-radius: var(--radius-lg);
}

.step h3 {
  font-size: 27px;
  margin: 0;
}

.step p {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
}

.step a {
  font-size: 19px;
  font-weight: 700;
}

.step__num {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-pill);
  color: var(--color-bg);
  font-family: var(--font-heading);
  font-size: 26px;
  line-height: 1;
}

.step--sage {
  background: var(--color-accent-2-100);
}
.step--sage .step__num {
  background: var(--color-accent-2-500);
}

.step--terracotta {
  background: var(--color-accent-100);
}
.step--terracotta .step__num {
  background: var(--color-accent-500);
}

.step--neutral {
  background: var(--color-neutral-200);
}
.step--neutral .step__num {
  background: var(--color-neutral-700);
}

/* --------------------------------------------------------------------------
   9. Contacte
   -------------------------------------------------------------------------- */
.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
}

.contact__lead {
  margin-bottom: 36px;
}

.contact__form {
  display: grid;
  gap: 22px;
  max-width: 480px;
}

.field--short .input {
  max-width: 200px;
}

.form-submit {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.form-submit .btn {
  padding: 17px 40px;
  font-size: 17px;
}

.form-legal {
  margin: 0;
  font-size: 14px;
  color: var(--color-neutral-700);
  max-width: 280px;
}

.form-status {
  margin: 0;
  padding: 16px 22px;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.form-status:empty {
  display: none;
}

.form-status--ok {
  background: var(--color-accent-2-200);
  color: var(--color-accent-2-900);
}

.form-status--error {
  background: var(--color-accent-200);
  color: var(--color-accent-900);
}

.contact__aside {
  display: grid;
  gap: 28px;
  align-content: start;
}

.info-card {
  display: grid;
  gap: 22px;
  padding: 36px;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
}

.info-card h3 {
  font-size: 26px;
  margin: 0 0 8px;
}

.info-card p,
.info-card address {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  font-style: normal;
}

.info-links {
  display: grid;
  gap: 6px;
  font-size: 17px;
  justify-items: start;
}

.info-links a {
  padding: 6px 0;
}

.map {
  height: 300px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-accent-2-200);
  border: 0;
}

.map iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

/* --------------------------------------------------------------------------
   10. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 56px var(--page-pad) 32px;
}

.site-footer .brand img {
  height: 44px;
}

.site-footer .brand span {
  font-size: 19px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 15px;
  flex-wrap: wrap;
}

.footer-links a:not(.icon-pill) {
  padding: 8px 0;
}

/* --------------------------------------------------------------------------
   11. Barra CTA fixa (mòbil)
   -------------------------------------------------------------------------- */
.mobile-cta {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 45;
  padding: 12px 20px calc(12px + env(safe-area-inset-bottom));
  background: var(--color-bg);
  border-top: 1px solid var(--color-divider);
  box-shadow: 0 -4px 20px rgba(32, 30, 29, 0.08);
}

.mobile-cta .btn {
  padding: 16px 24px;
  font-size: 17px;
}

/* --------------------------------------------------------------------------
   12. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1180px) {
  :root {
    --page-pad: 48px;
  }

  .hero {
    gap: 40px;
  }

  .hero h1 {
    font-size: 56px;
  }

  .hero__blob--sage {
    width: 400px;
    height: 400px;
  }

  .hero__photo {
    width: 370px;
    height: 370px;
  }

  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 960px) {
  .nav__link,
  .nav__cta,
  .nav > .icon-pill {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    gap: 12px;
  }

  /* Menú desplegable de mòbil */
  .nav.is-open {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px var(--page-pad) 24px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    box-shadow: var(--shadow-md);
  }

  .nav.is-open .nav__link {
    display: block;
    font-size: 18px;
    padding: 14px 8px;
    border-radius: var(--radius-md);
    min-height: 48px;
  }

  .nav.is-open .nav__link:hover {
    background: var(--color-accent-2-100);
  }

  .nav.is-open .nav__cta {
    display: inline-flex;
    margin-top: 12px;
    font-size: 17px;
    padding: 16px 24px;
  }

  .nav.is-open > .icon-pill {
    display: grid;
    align-self: flex-start;
    margin-top: 12px;
  }

  /* L'idioma continua visible al costat de l'hamburguesa fins als 640 px */
  .nav.is-open > .lang {
    align-self: flex-start;
    margin-top: 16px;
  }

  .nav.is-open .lang a {
    min-width: 52px;
    min-height: 44px;
    font-size: 15px;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-bottom: 64px;
  }

  .hero__text {
    max-width: none;
  }

  .hero__media {
    min-height: 0;
    order: 2;
  }

  .contact {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact__form {
    max-width: none;
  }

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

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mobile-cta {
    display: block;
  }

  /* Espai perquè la barra fixa no tapi el footer */
  body {
    padding-bottom: 88px;
  }
}

@media (max-width: 640px) {
  :root {
    --page-pad: 20px;
    --radius-panel: 32px;
  }

  .promo {
    font-size: 14px;
    padding: 14px 20px;
  }

  .brand img {
    height: 40px;
  }

  .brand span {
    font-size: 19px;
  }

  /* Sota 640 px no hi caben logo + idiomes + hamburguesa: l'idioma
     passa a dins del menú */
  .nav > .lang {
    display: none;
  }

  .nav.is-open > .lang {
    display: inline-flex;
  }

  .section {
    padding: 64px var(--page-pad);
  }

  .panel {
    margin: 0 12px;
    padding: 56px var(--page-pad);
  }

  .section-title {
    font-size: 32px;
  }

  .hero {
    padding: 32px var(--page-pad) 48px;
    gap: 28px;
  }

  .hero h1 {
    font-size: 40px;
    line-height: 1.06;
    margin: 18px 0 14px;
  }

  .hero__tagline {
    font-size: 18px;
    gap: 8px;
  }

  .hero__intro {
    font-size: 16px;
    line-height: 1.65;
  }

  .hero__actions .btn {
    width: 100%;
    padding: 16px 24px;
  }

  .hero__blob {
    display: none;
  }

  .hero__photo {
    width: 100%;
    height: 260px;
    border-radius: 32px;
  }

  .services-grid {
    gap: 14px;
  }

  .service-card {
    padding: 20px;
    gap: 10px;
  }

  .service-icon {
    width: 46px;
    height: 46px;
  }

  .service-card h3 {
    font-size: 19px;
  }

  .service-card p {
    font-size: 14px;
    line-height: 1.5;
  }

  .step {
    padding: 26px;
  }

  .step h3 {
    font-size: 24px;
  }

  .info-card {
    padding: 26px;
  }

  .form-submit .btn {
    width: 100%;
  }

  .form-legal {
    max-width: none;
    text-align: center;
  }

  .site-footer {
    padding: 48px var(--page-pad) 32px;
    gap: 24px;
  }

  .footer-links {
    gap: 16px;
  }
}