/* =============================================
   Vértice Gestoría — styles.css
   Mobile-first, CSS custom properties, BEM-like
   ============================================= */

/* --- Variables --- */
:root {
  --accent:       #C07D3A;
  --accent-dark:  #9A5E22;
  --accent-light: #E8C49A;
  --neutral-900:  #1A1612;
  --neutral-700:  #3D3530;
  --neutral-500:  #7A6F68;
  --neutral-200:  #EDE8E3;
  --neutral-100:  #F7F4F0;
  --white:        #FFFFFF;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', 'Helvetica Neue', Arial, sans-serif;

  --radius-sm:  4px;
  --radius-md:  10px;
  --radius-lg:  20px;

  --shadow-sm:  0 1px 4px rgba(26,22,18,.08);
  --shadow-md:  0 4px 20px rgba(26,22,18,.12);
  --shadow-lg:  0 12px 48px rgba(26,22,18,.16);

  --max-w: 1160px;
  --gutter: 1.25rem;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--neutral-900);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* --- Typography --- */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.2; }
h1 { font-size: clamp(2rem, 6vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.6rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }
p  { font-size: 1rem; color: var(--neutral-700); }

/* --- Layout helpers --- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: 5rem; }
.section--alt { background: var(--neutral-100); }
.section__header { margin-bottom: 3rem; }
.section__label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .75rem;
}
.section__title { color: var(--neutral-900); margin-bottom: 1rem; }
.section__lead { font-size: 1.1rem; color: var(--neutral-500); max-width: 56ch; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .8rem 1.75rem;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: 600;
  transition: background .2s, color .2s, box-shadow .2s, transform .15s;
  text-align: center;
}
.btn:active { transform: scale(.97); }

.btn--primary {
  background: var(--accent);
  color: var(--white);
}
.btn--primary:hover { background: var(--accent-dark); box-shadow: 0 4px 16px rgba(192,125,58,.35); }

.btn--outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}
.btn--outline:hover { background: var(--accent); color: var(--white); }

.btn--ghost {
  background: transparent;
  color: var(--neutral-700);
  border: 2px solid var(--neutral-200);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

/* =============================================
   HEADER / NAV
   ============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--neutral-200);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 1.5rem;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: .65rem;
  flex-shrink: 0;
}
.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--neutral-900);
  line-height: 1.1;
}
.nav__logo-sub {
  display: block;
  font-family: var(--font-body);
  font-size: .6rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Desktop nav links */
.nav__links {
  display: none;
  align-items: center;
  gap: 2rem;
}
.nav__links a {
  font-size: .92rem;
  font-weight: 500;
  color: var(--neutral-700);
  position: relative;
  padding-bottom: 2px;
  transition: color .2s;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width .25s;
}
.nav__links a:hover,
.nav__links a.active { color: var(--accent); }
.nav__links a:hover::after,
.nav__links a.active::after { width: 100%; }

.nav__cta { display: none; }

/* Burger */
.nav__burger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  padding: 0;
  flex-shrink: 0;
}
.nav__burger span {
  display: block;
  height: 2px;
  background: var(--neutral-900);
  border-radius: 2px;
  transition: transform .3s, opacity .3s, width .3s;
  transform-origin: left center;
}
.nav__burger.is-open span:nth-child(1) { transform: rotate(42deg) translateY(-1px); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; width: 0; }
.nav__burger.is-open span:nth-child(3) { transform: rotate(-42deg) translateY(1px); }

/* Mobile drawer */
.nav__drawer {
  position: fixed;
  top: 68px; left: 0; right: 0; bottom: 0;
  background: var(--white);
  padding: 2.5rem var(--gutter);
  display: flex;
  flex-direction: column;
  gap: .25rem;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  z-index: 99;
}
.nav__drawer.is-open { transform: translateX(0); }
.nav__drawer a {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--neutral-900);
  padding: .85rem 0;
  border-bottom: 1px solid var(--neutral-200);
  transition: color .2s, padding-left .2s;
}
.nav__drawer a:hover { color: var(--accent); padding-left: .5rem; }
.nav__drawer .btn { margin-top: 1.5rem; align-self: flex-start; }

@media (min-width: 768px) {
  .nav__links, .nav__cta { display: flex; }
  .nav__burger { display: none; }
}

/* =============================================
   HERO
   ============================================= */
.hero {
  background: var(--neutral-900);
  color: var(--white);
  padding-block: 6rem 5rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 520px; height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(192,125,58,.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero__grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 1.25rem;
}
.hero__eyebrow::before {
  content: '';
  display: block;
  width: 28px; height: 2px;
  background: var(--accent);
}
.hero__title {
  color: var(--white);
  margin-bottom: 1.25rem;
}
.hero__title em {
  font-style: normal;
  color: var(--accent-light);
}
.hero__lead {
  font-size: 1.1rem;
  color: rgba(255,255,255,.72);
  max-width: 50ch;
  margin-bottom: 2rem;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
}
.hero__disclaimer {
  margin-top: 2.5rem;
  padding: .85rem 1.1rem;
  border-left: 3px solid var(--accent);
  background: rgba(255,255,255,.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: .8rem;
  color: rgba(255,255,255,.55);
  max-width: 54ch;
  line-height: 1.5;
}
.hero__visual {
  display: none;
}
.hero__card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.hero__card + .hero__card { margin-top: .75rem; }
.hero__card-icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  background: rgba(192,125,58,.2);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--accent-light);
}
.hero__card-title { font-weight: 600; color: var(--white); font-size: .95rem; margin-bottom: .25rem; }
.hero__card-text { font-size: .82rem; color: rgba(255,255,255,.55); }

@media (min-width: 900px) {
  .hero__grid { grid-template-columns: 1fr 420px; }
  .hero__visual { display: block; }
}

/* =============================================
   SERVICIOS (cards grid)
   ============================================= */
.services__grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 560px) { .services__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .services__grid { grid-template-columns: repeat(3, 1fr); } }

.service-card {
  background: var(--white);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  transition: box-shadow .25s, transform .25s, border-color .25s;
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-light);
  transform: translateY(-3px);
}
.service-card__icon {
  width: 52px; height: 52px;
  background: var(--neutral-100);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--accent);
  margin-bottom: 1.25rem;
  transition: background .25s;
}
.service-card:hover .service-card__icon { background: rgba(192,125,58,.12); }
.service-card__title { font-size: 1.1rem; margin-bottom: .6rem; }
.service-card__text { font-size: .9rem; color: var(--neutral-500); line-height: 1.6; }

/* =============================================
   PROCESO (steps)
   ============================================= */
.process__steps {
  display: grid;
  gap: 2rem;
  counter-reset: step;
}
@media (min-width: 768px) { .process__steps { grid-template-columns: repeat(4, 1fr); } }

.process__step { position: relative; }
.process__step-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--neutral-200);
  line-height: 1;
  margin-bottom: .5rem;
  transition: color .3s;
}
.process__step:hover .process__step-num { color: var(--accent-light); }
.process__step-title { font-size: 1rem; font-weight: 700; margin-bottom: .4rem; }
.process__step-text { font-size: .88rem; color: var(--neutral-500); }

@media (min-width: 768px) {
  .process__step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 1.7rem;
    right: -1rem;
    width: calc(100% - 0px);
    height: 1px;
    background: var(--neutral-200);
    z-index: 0;
  }
}

/* =============================================
   TESTIMONIOS
   ============================================= */
.testimonials__grid {
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 768px) { .testimonials__grid { grid-template-columns: repeat(2, 1fr); } }

.testimonial {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid var(--neutral-200);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.testimonial__quote-mark {
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: .6;
  color: var(--accent-light);
  margin-bottom: .75rem;
  display: block;
  user-select: none;
}
.testimonial__text {
  font-size: .95rem;
  color: var(--neutral-700);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}
.testimonial__author { display: flex; align-items: center; gap: .75rem; }
.testimonial__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--neutral-200);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent);
  flex-shrink: 0;
}
.testimonial__name { font-weight: 700; font-size: .92rem; }
.testimonial__loc { font-size: .78rem; color: var(--neutral-500); }

/* =============================================
   FAQ ACORDEÓN
   ============================================= */
.faq__list { display: flex; flex-direction: column; gap: .5rem; }

.faq__item {
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.faq__question {
  width: 100%;
  text-align: left;
  padding: 1.1rem 1.25rem;
  font-weight: 600;
  font-size: .97rem;
  color: var(--neutral-900);
  background: var(--white);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: background .2s, color .2s;
}
.faq__question:hover { background: var(--neutral-100); color: var(--accent); }
.faq__question[aria-expanded="true"] { color: var(--accent); }
.faq__icon {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid currentColor;
  display: grid;
  place-items: center;
  font-size: 1rem;
  transition: transform .3s;
  line-height: 1;
}
.faq__question[aria-expanded="true"] .faq__icon { transform: rotate(45deg); }

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .3s;
}
.faq__answer.is-open { max-height: 600px; }
.faq__answer-inner {
  padding: 0 1.25rem 1.25rem;
  font-size: .92rem;
  color: var(--neutral-700);
  line-height: 1.7;
}

/* =============================================
   CTA BAND
   ============================================= */
.cta-band {
  background: var(--accent);
  padding-block: 4rem;
  text-align: center;
}
.cta-band__title {
  color: var(--white);
  margin-bottom: .75rem;
}
.cta-band__text {
  color: rgba(255,255,255,.8);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}
.cta-band .btn--outline {
  color: var(--white);
  border-color: var(--white);
}
.cta-band .btn--outline:hover {
  background: var(--white);
  color: var(--accent);
}

/* =============================================
   CONTACTO FORM
   ============================================= */
.contact-grid {
  display: grid;
  gap: 3rem;
}
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 420px; } }

.form { display: flex; flex-direction: column; gap: 1.1rem; }
.form__row { display: grid; gap: 1rem; }
@media (min-width: 560px) { .form__row--2 { grid-template-columns: 1fr 1fr; } }

.field { display: flex; flex-direction: column; gap: .35rem; }
.field__label { font-size: .85rem; font-weight: 600; color: var(--neutral-700); }
.field__input,
.field__select,
.field__textarea {
  padding: .75rem 1rem;
  border: 1.5px solid var(--neutral-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--neutral-900);
  background: var(--white);
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}
.field__input:focus,
.field__select:focus,
.field__textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(192,125,58,.15);
}
.field__input.error,
.field__select.error,
.field__textarea.error { border-color: #C0392B; }
.field__error { font-size: .78rem; color: #C0392B; display: none; }
.field__error.visible { display: block; }
.field__textarea { resize: vertical; min-height: 130px; }

.form__submit-wrap { margin-top: .5rem; }
.form__success {
  display: none;
  padding: 1.25rem;
  background: rgba(192,125,58,.1);
  border: 1px solid var(--accent-light);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  color: var(--accent-dark);
}
.form__success.visible { display: block; }

/* Contact sidebar */
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-info__title { font-size: 1.2rem; margin-bottom: .5rem; }
.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  font-size: .9rem;
  color: var(--neutral-700);
}
.contact-info__item-icon {
  width: 40px; height: 40px;
  background: var(--neutral-100);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-info__item-label { font-weight: 700; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--neutral-500); margin-bottom: .15rem; }

/* =============================================
   INTERIOR PAGES (nosotros, etc.)
   ============================================= */
.page-hero {
  background: var(--neutral-900);
  color: var(--white);
  padding-block: 4rem 3.5rem;
  border-bottom: 4px solid var(--accent);
}
.page-hero__label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-light);
  display: block;
  margin-bottom: .75rem;
}
.page-hero__title { color: var(--white); margin-bottom: .75rem; }
.page-hero__lead { color: rgba(255,255,255,.65); font-size: 1.05rem; max-width: 58ch; }

/* Values grid */
.values__grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 768px) { .values__grid { grid-template-columns: repeat(3, 1fr); } }

.value-card {
  padding: 2rem 1.5rem;
  border-radius: var(--radius-md);
  background: var(--white);
  border: 1px solid var(--neutral-200);
  text-align: center;
}
.value-card__icon {
  width: 56px; height: 56px;
  margin: 0 auto 1.25rem;
  background: var(--neutral-100);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--accent);
}
.value-card__title { font-size: 1rem; margin-bottom: .5rem; }
.value-card__text { font-size: .88rem; color: var(--neutral-500); }

/* Team */
.team__grid {
  display: grid;
  gap: 2rem;
}
@media (min-width: 640px) { .team__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .team__grid { grid-template-columns: repeat(3, 1fr); } }

.team-card {
  text-align: center;
}
.team-card__avatar {
  width: 100px; height: 100px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  background: var(--neutral-200);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  border: 3px solid var(--accent-light);
}
.team-card__name { font-size: 1.05rem; margin-bottom: .2rem; }
.team-card__role { font-size: .82rem; color: var(--accent); font-weight: 600; letter-spacing: .05em; text-transform: uppercase; }

/* Stat strip */
.stats-strip {
  background: var(--accent);
  padding-block: 3rem;
}
.stats-strip__grid {
  display: grid;
  gap: 2rem;
  text-align: center;
}
@media (min-width: 560px) { .stats-strip__grid { grid-template-columns: repeat(3, 1fr); } }
.stat__num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  display: block;
}
.stat__label { font-size: .85rem; color: rgba(255,255,255,.75); }

/* Legal pages */
.legal-content {
  max-width: 780px;
  padding-block: 4rem;
}
.legal-content h2 { font-size: 1.4rem; margin-top: 2.5rem; margin-bottom: .75rem; }
.legal-content h3 { font-size: 1.1rem; margin-top: 1.75rem; margin-bottom: .5rem; }
.legal-content p, .legal-content li { font-size: .95rem; color: var(--neutral-700); margin-bottom: .75rem; }
.legal-content ul { list-style: disc; padding-left: 1.5rem; }
.legal-content a { color: var(--accent); text-decoration: underline; }

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--neutral-900);
  color: rgba(255,255,255,.7);
  padding-top: 4rem;
}
.footer__grid {
  display: grid;
  gap: 2.5rem;
  padding-bottom: 3rem;
}
@media (min-width: 768px) { .footer__grid { grid-template-columns: 2fr 1fr 1fr; } }

.footer__brand-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: .35rem;
}
.footer__brand-text { font-size: .85rem; line-height: 1.6; margin-bottom: 1rem; }
.footer__col-title {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--accent-light);
  margin-bottom: 1rem;
}
.footer__links { display: flex; flex-direction: column; gap: .6rem; }
.footer__links a {
  font-size: .88rem;
  color: rgba(255,255,255,.6);
  transition: color .2s;
}
.footer__links a:hover { color: var(--accent-light); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-block: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  align-items: flex-start;
}
@media (min-width: 640px) {
  .footer__bottom { flex-direction: row; align-items: center; justify-content: space-between; }
}
.footer__copy { font-size: .8rem; }
.footer__disclaimer {
  font-size: .78rem;
  line-height: 1.5;
  color: rgba(255,255,255,.45);
  max-width: 60ch;
}

/* =============================================
   SERVICIOS PAGE — detailed cards
   ============================================= */
.services-list { display: flex; flex-direction: column; gap: 2rem; }
.service-detail {
  display: grid;
  gap: 1.5rem;
  background: var(--white);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  transition: box-shadow .25s;
}
@media (min-width: 768px) { .service-detail { grid-template-columns: 64px 1fr; } }
.service-detail:hover { box-shadow: var(--shadow-md); }
.service-detail__icon {
  width: 64px; height: 64px;
  background: var(--neutral-100);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--accent);
  flex-shrink: 0;
}
.service-detail__title { font-size: 1.2rem; margin-bottom: .5rem; }
.service-detail__text { font-size: .93rem; color: var(--neutral-700); margin-bottom: .75rem; }
.service-detail__tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tag {
  display: inline-block;
  padding: .2rem .7rem;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 600;
  background: rgba(192,125,58,.1);
  color: var(--accent-dark);
}

/* =============================================
   UTILITIES
   ============================================= */
.text-accent { color: var(--accent); }
.text-center { text-align: center; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}