/* ====================================
   DLR Consultora - Main Styles
   ==================================== */

/* ====================================
   CSS Variables
   ==================================== */
:root {
  /* Colors */
  --color-primary: #937a51;
  --color-secondary: #d1b480;
  --color-dark: #333333;
  --color-light: #e6e6e6;
  --color-white: #ffffff;
  --color-gray: #666666;
  --color-gray-light: #f5f5f5;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #937a51 0%, #d1b480 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(147, 122, 81, 0.85) 0%, rgba(209, 180, 128, 0.85) 100%);

  /* Typography */
  --font-primary: 'Montserrat', sans-serif;

  /* Font Weights */
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  --font-black: 900;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  --spacing-xxxl: 6rem;

  /* Container */
  --container-width: 1200px;
  --container-padding: 2rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Header Height */
  --header-height: 80px;
}

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

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

body {
  font-family: var(--font-primary);
  font-weight: var(--font-regular);
  color: var(--color-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-base);
}

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
}

/* ====================================
   Typography
   ==================================== */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-dark);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: var(--font-extrabold);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: var(--font-bold);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: var(--font-semibold);
}

p {
  margin-bottom: var(--spacing-md);
}

strong {
  font-weight: var(--font-bold);
}

/* ====================================
   Layout
   ==================================== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-xxxl) 0;
}

.section--gray {
  background-color: var(--color-gray-light);
}

.section__title {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.section__subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: var(--color-gray);
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

/* ====================================
   Buttons
   ==================================== */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  font-weight: var(--font-semibold);
  font-size: 1rem;
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn--secondary {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--secondary:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn--full {
  width: 100%;
}

/* ====================================
   Header & Navigation
   ==================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
}

.nav__logo img {
  height: 50px;
  width: auto;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav__link {
  font-weight: var(--font-medium);
  color: var(--color-dark);
  position: relative;
  transition: color var(--transition-base);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__link--cta {
  padding: 0.5rem 1.5rem;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  color: var(--color-white);
  opacity: 0.9;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.nav__toggle-icon,
.nav__toggle-icon::before,
.nav__toggle-icon::after {
  width: 25px;
  height: 3px;
  background: var(--color-dark);
  border-radius: 3px;
  transition: all var(--transition-base);
}

.nav__toggle-icon {
  position: relative;
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
}

.nav__toggle-icon::before {
  top: -8px;
}

.nav__toggle-icon::after {
  bottom: -8px;
}

/* ====================================
   Hero Section
   ==================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  overflow: hidden;
}

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

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

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

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  padding: var(--spacing-xxl) var(--container-padding);
}

.hero__title {
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero__title-tagline {
  font-weight: 400;
  font-style: italic;
}

.hero__subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
  color: var(--color-white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero__buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero__scroll-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.8;
  transition: opacity var(--transition-base);
}

.hero__scroll-link:hover {
  opacity: 1;
}

.hero__scroll-icon {
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* ====================================
   About Section
   ==================================== */
.about__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xxl);
}

.about__text {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about__description {
  font-size: 1.125rem;
  line-height: 1.8;
}

.about__values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.value-card {
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  background-color: var(--color-primary);
  background-size: cover;
  background-position: center;
}

.value-card:nth-child(1) {
  background-image: linear-gradient(rgba(147, 122, 81, 0.78), rgba(147, 122, 81, 0.78)),
    url('../images/contenido/IMG_5337.webp');
}

.value-card:nth-child(2) {
  background-image: linear-gradient(rgba(147, 122, 81, 0.78), rgba(147, 122, 81, 0.78)),
    url('../images/contenido/IMG_0549.webp');
}

.value-card:nth-child(3) {
  background-image: linear-gradient(rgba(147, 122, 81, 0.78), rgba(147, 122, 81, 0.78)),
    url('../images/contenido/RELEVAMIENTO-CON-VECINOS.webp');
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.value-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  color: var(--color-white);
}

.value-card__title {
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.value-card__text {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  margin-bottom: 0;
}

/* ====================================
   Services Section
   ==================================== */
.services__header {
  margin-bottom: var(--spacing-xxl);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

/* Centra la última tarjeta cuando queda sola en la fila */
.service-card:last-child:nth-child(3n + 1) {
  grid-column: 2;
}

.service-card {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-card__icon {
  width: 64px;
  height: 64px;
  color: var(--color-primary);
  margin: 0 auto var(--spacing-md);
}

.service-card__title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.service-card__description {
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
  text-align: justify;
}

.service-card__list {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.service-card__list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-gray);
}

.service-card__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: var(--font-bold);
}

.service-card__badge {
  display: block;
  width: fit-content;
  margin: var(--spacing-sm) auto 0;
  padding: 0.5rem 1rem;
  background: var(--gradient-primary);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-md);
  text-align: center;
}

/* ====================================
   Team Section
   ==================================== */
.team__header {
  margin-bottom: var(--spacing-xxl);
}

.team__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
  gap: var(--spacing-xl);
}

.team-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.team-card__image {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-light);
}

.team-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.team-card:hover .team-card__image img {
  transform: scale(1.05);
}

.team-card__name {
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-xs);
  color: var(--color-dark);
  font-size: 1.25rem;
  text-align: center;
}

.team-card__role {
  padding: 0 var(--spacing-md);
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: var(--font-medium);
  text-align: center;
  margin-bottom: 0;
}

.team-card__position {
  padding: var(--spacing-xs) var(--spacing-md) var(--spacing-md);
  color: var(--color-gray);
  font-size: 0.875rem;
  text-align: center;
  margin-bottom: 0;
}

/* ====================================
   Clients Section
   ==================================== */
.clients__header {
  margin-bottom: var(--spacing-xxl);
}

.clients__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-lg);
  align-items: stretch;
}

.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  width: 200px;
  min-height: 120px;
  flex-shrink: 0;
}

.client-logo:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.client-logo img {
  max-width: 150px;
  max-height: 80px;
  width: auto;
  height: auto;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: filter var(--transition-base), opacity var(--transition-base);
}

.client-logo:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* ====================================
   FAQ Section
   ==================================== */
.faq__header {
  margin-bottom: var(--spacing-xxl);
}

.faq__list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-item__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  text-align: left;
  font-weight: var(--font-semibold);
  font-size: 1.125rem;
  color: var(--color-dark);
  background: transparent;
  cursor: pointer;
  transition: color var(--transition-base);
}

.faq-item__question:hover {
  color: var(--color-primary);
}

.faq-item__question-text {
  flex: 1;
}

.faq-item__icon {
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--transition-base);
}

.faq-item__question[aria-expanded="true"] .faq-item__icon {
  transform: rotate(180deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item__answer p {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: 0;
}

/* ====================================
   Contact Section
   ==================================== */
.contact__header {
  margin-bottom: var(--spacing-xxl);
}

.contact__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xxl);
  max-width: 1000px;
  margin: 0 auto;
}

.contact__form-wrapper {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-semibold);
  color: var(--color-dark);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--color-light);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: border-color var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-message {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: var(--font-medium);
  text-align: center;
  display: none;
}

.form-message.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  display: block;
}

.form-message.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
  display: block;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-info-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.contact-info-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.contact-info-card__icon {
  width: 48px;
  height: 48px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.contact-info-card__title {
  color: var(--color-dark);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.contact-info-card__link {
  display: block;
  color: var(--color-gray);
  margin-bottom: var(--spacing-xs);
  transition: color var(--transition-base);
}

.contact-info-card__link:hover {
  color: var(--color-primary);
}

/* ====================================
   Footer
   ==================================== */
.footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer__brand {
  grid-column: span 1;
}

.footer__logo {
  margin-bottom: var(--spacing-md);
  filter: brightness(0) invert(1);
}

.footer__description {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer__title {
  color: var(--color-white);
  font-size: 1.125rem;
  font-weight: var(--font-bold);
  margin-bottom: var(--spacing-md);
}

.footer__list {
  list-style: none;
}

.footer__list li {
  margin-bottom: var(--spacing-xs);
}

.footer__link {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: color var(--transition-base);
}

.footer__link:hover {
  color: var(--color-secondary);
}

.footer__contact-item {
  margin-bottom: var(--spacing-sm);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer__copyright {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  margin: 0;
}

.footer__legal {
  display: flex;
  gap: var(--spacing-lg);
}

.footer__legal-link {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  transition: color var(--transition-base);
}

.footer__legal-link:hover {
  color: var(--color-secondary);
}